@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";.qm-boot{--qm-boot-bg: #0b1020;--qm-boot-muted: #8b95a8;--qm-boot-primary: #7da6ff;--qm-boot-secondary: #c9d6ff;--qm-boot-line: color-mix(in srgb, var(--qm-boot-primary) 35%, transparent);--qm-boot-glow: color-mix(in srgb, var(--qm-boot-primary) 55%, transparent);--qm-boot-font: "Inter", "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;box-sizing:border-box;font-family:var(--qm-boot-font);color:#e8eefc}.qm-boot *,.qm-boot *:before,.qm-boot *:after{box-sizing:border-box}.qm-boot--boot{position:fixed;inset:0;z-index:99999;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background-color:var(--qm-boot-bg);background-image:linear-gradient(rgba(201,214,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(201,214,255,.02) 1px,transparent 1px),url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");background-size:48px 48px,48px 48px,180px 180px;background-repeat:repeat}.qm-boot--inline{position:relative;width:100%;min-height:min(52vh,420px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--qm-boot-bg)}.qm-boot--out{animation:qmBootOut .42s ease-out forwards;pointer-events:none}@keyframes qmBootOut{to{opacity:0;visibility:hidden}}html.qm-load-active,html.qm-load-active body{overflow:hidden}#qm-initial-loading.qm-boot{position:fixed;inset:0;z-index:99999}.qm-boot__center{display:flex;flex-direction:column;align-items:center;width:min(100%,420px);text-align:center}.qm-boot__mark-wrap{position:relative;display:inline-block;line-height:1;margin-bottom:12px;overflow:hidden}.qm-boot__mark{font-size:clamp(4.5rem,14vw,6.25rem);font-weight:600;letter-spacing:-.04em;background:linear-gradient(180deg,var(--qm-boot-secondary) 0%,var(--qm-boot-primary) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 28px var(--qm-boot-glow));user-select:none}.qm-boot__scan{position:absolute;top:8%;bottom:8%;width:28%;left:-30%;background:linear-gradient(90deg,transparent 0%,color-mix(in srgb,var(--qm-boot-secondary) 5%,transparent) 35%,var(--qm-boot-glow) 50%,color-mix(in srgb,var(--qm-boot-secondary) 5%,transparent) 65%,transparent 100%);box-shadow:0 0 24px var(--qm-boot-glow);mix-blend-mode:screen;animation:qmBootScan 1.6s ease-in-out infinite;pointer-events:none}@keyframes qmBootScan{0%{left:-35%;opacity:0}12%{opacity:1}88%{opacity:1}to{left:110%;opacity:0}}.qm-boot__sub{margin:0 0 28px;font-size:.82rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--qm-boot-muted)}.qm-boot__status{margin:0 0 18px;min-height:1.4em;font-size:.92rem;font-weight:500;color:#d5deef;letter-spacing:.01em}.qm-boot__status--fade{animation:qmBootStatusIn .35s ease both}.qm-boot__status--ready{color:var(--qm-boot-secondary);font-weight:600}@keyframes qmBootStatusIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.qm-boot__progress{width:min(100%,280px);height:2px;border-radius:1px;background:color-mix(in srgb,var(--qm-boot-secondary) 12%,transparent);overflow:hidden}.qm-boot__progress-fill{display:block;height:100%;width:0%;border-radius:inherit;background:linear-gradient(90deg,var(--qm-boot-primary),var(--qm-boot-secondary));box-shadow:0 0 10px var(--qm-boot-glow);transition:width .35s ease}.qm-boot__footer{position:absolute;left:20px;right:20px;bottom:18px;display:flex;justify-content:space-between;gap:12px;font-size:.72rem;font-weight:500;letter-spacing:.04em;color:#6b758a;font-variant-numeric:tabular-nums}.qm-boot__log{width:min(100%,320px);min-height:6.5rem;margin:0 0 16px;text-align:left;font-family:JetBrains Mono,ui-monospace,Menlo,Consolas,monospace;font-size:.72rem;line-height:1.45;color:#9aa6bd}.qm-boot__log-line{margin-bottom:.55rem;animation:qmBootStatusIn .28s ease both}.qm-boot__log-line--fade{opacity:.25;transition:opacity .35s ease}.qm-boot__log-cmd{color:var(--qm-boot-primary)}.qm-boot__log-ok{color:#8f9bb0;padding-left:.15rem}@media(prefers-reduced-motion:reduce){.qm-boot__scan,.qm-boot__status--fade,.qm-boot__log-line{animation:none!important}.qm-boot__progress-fill{transition:none}}:root{--qm-load-font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--qm-load-bg: #faf8f5;--qm-load-bg-glow: color-mix(in srgb, var(--qm-load-primary, #fbbf24) 35%, transparent);--qm-load-card-from: #fff;--qm-load-card-mid: #fffbeb;--qm-load-card-to: #f0fdfa;--qm-load-card-border: color-mix(in srgb, var(--qm-load-primary, #d97706) 22%, transparent);--qm-load-card-shadow: color-mix(in srgb, var(--qm-load-primary, #d97706) 14%, transparent);--qm-load-badge-border: var(--qm-load-primary, #d97706);--qm-load-brand: #92400e;--qm-load-msg: #57534e;--qm-load-primary: #fbbf24;--qm-load-secondary: #0d9488;--qm-load-accent: #2563eb;--qm-load-amber: var(--qm-load-primary);--qm-load-teal: var(--qm-load-secondary);--qm-load-blue: var(--qm-load-accent)}#qm-initial-loading.qm-load{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;background:var(--qm-load-bg)}.qm-load{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-family:var(--qm-load-font);color:var(--qm-load-msg)}.qm-load--boot{position:fixed;inset:0;z-index:99999;background:radial-gradient(ellipse 80% 50% at 50% 0%,var(--qm-load-bg-glow),transparent 55%),var(--qm-load-bg)}.qm-load--boot.qm-load--out{animation:qmBootOut .35s ease-out forwards;pointer-events:none}.qm-load--inline{position:relative;width:100%;min-height:min(52vh,400px);padding:24px 16px;background:transparent}.qm-load--dark{--qm-load-bg: #0c0a09;--qm-load-bg-glow: color-mix(in srgb, var(--qm-load-accent, #4f46e5) 28%, transparent);--qm-load-card-from: #1c1917;--qm-load-card-mid: #292524;--qm-load-card-to: #1e1b4b;--qm-load-card-border: color-mix(in srgb, var(--qm-load-primary, #fbbf24) 28%, transparent);--qm-load-card-shadow: rgba(0, 0, 0, .35);--qm-load-badge-border: var(--qm-load-primary, #fbbf24);--qm-load-brand: #fcd34d;--qm-load-msg: #a8a29e}.qm-load__inner{display:flex;flex-direction:column;align-items:center;gap:14px;width:min(100%,360px);padding:0;border-radius:0;background:transparent;border:none;box-shadow:none}.qm-load--card .qm-load__inner{width:min(100%,320px);padding:28px 24px 32px;border-radius:20px;background:linear-gradient(165deg,var(--qm-load-card-from) 0%,var(--qm-load-card-mid) 45%,var(--qm-load-card-to) 100%);border:2px solid var(--qm-load-card-border);box-shadow:0 8px 0 var(--qm-load-card-shadow),0 20px 48px #1c191714}.qm-load__badge{width:80px;height:80px;padding:0;border-radius:0;background:transparent;border:none;box-shadow:none}.qm-load--card .qm-load__badge{width:72px;height:72px;padding:6px;border-radius:18px;background:#fff;border:2px solid var(--qm-load-badge-border)}.qm-load__logo{display:block;width:100%;height:100%;object-fit:contain;border-radius:16px}.qm-load--card .qm-load__logo{border-radius:12px}.qm-load__brand{font-size:1.05rem;font-weight:800;letter-spacing:-.02em;text-transform:none;color:var(--qm-load-brand)}.qm-load--card .qm-load__brand{font-size:.72rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.qm-load__tagline{margin:-6px 0 0;font-size:.68rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--qm-load-msg);opacity:.75}.qm-load__map{display:block;width:100%;height:72px;overflow:visible}.qm-load__path-bg{fill:none;stroke:color-mix(in srgb,var(--qm-load-msg) 22%,transparent);stroke-width:4;stroke-linecap:round}.qm-load__path-fill{fill:none;stroke-width:4;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;animation:qmLoadPath 2.4s ease-in-out infinite}@keyframes qmLoadPath{0%{stroke-dashoffset:100;opacity:.5}45%{stroke-dashoffset:0;opacity:1}55%{stroke-dashoffset:0;opacity:1}to{stroke-dashoffset:-100;opacity:.5}}.qm-load__node{fill:color-mix(in srgb,var(--qm-load-msg) 35%,#fff);stroke:var(--qm-load-bg);stroke-width:2}.qm-load__runner{fill:var(--qm-load-primary);stroke:color-mix(in srgb,var(--qm-load-primary) 70%,#000)}.qm-load__msg{margin:0;font-size:.88rem;font-weight:800;color:var(--qm-load-msg)}.qm-load__bar{width:min(100%,220px);height:3px;border-radius:999px;background:color-mix(in srgb,var(--qm-load-msg) 14%,transparent);overflow:hidden}.qm-load__bar-fill{display:block;height:100%;width:0%;border-radius:inherit;background:linear-gradient(90deg,var(--qm-load-primary),var(--qm-load-secondary),var(--qm-load-accent));transition:width .35s ease}@media(prefers-reduced-motion:reduce){.qm-load__path-fill,.qm-load__runner{animation:none!important}.qm-load__bar-fill{transition:none}}#qm-initial-loading.qm-load{--qm-load-primary: #1045B0;--qm-load-secondary: #28C2D1;--qm-load-accent: #A2F053;--qm-load-bg: #f7f9fc;--qm-load-bg-glow: rgba(16, 69, 176, .18);--qm-load-brand: #0f172a;--qm-load-msg: #64748b;font-family:Manrope,Inter,system-ui,sans-serif}#qm-initial-loading.qm-load--dark{--qm-load-bg: #0b1020;--qm-load-brand: #e2e8f0;--qm-load-msg: #94a3b8}#qm-initial-loading .qm-load__inner{background:transparent!important;border:none!important;box-shadow:none!important;padding:0!important}#qm-initial-loading .qm-load__brand{font-size:1.3rem;font-weight:800;letter-spacing:-.03em;text-transform:none;color:var(--qm-load-brand)}#qm-initial-loading .qm-load__tagline{margin:-4px 0 0;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.7}#qm-initial-loading .qm-load__msg{min-height:1.35em;font-weight:700}#qm-initial-loading .qm-load__msg.is-fade{animation:qaLoadMsgIn .28s ease both}@keyframes qaLoadMsgIn{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}#qm-initial-loading .qm-load__bar{width:min(100%,200px);height:3px;margin-top:2px;border-radius:999px;background:#78716c24;overflow:hidden}#qm-initial-loading .qm-load__bar-fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--qm-load-primary),var(--qm-load-secondary) 50%,var(--qm-load-accent));box-shadow:0 0 10px #28c2d173;transition:width .35s ease}#qm-initial-loading .qm-load__powered{position:absolute;left:0;right:0;bottom:22px;margin:0;text-align:center;font-size:.6875rem;color:#94a3b8}#qm-initial-loading .qm-load__badge{background:transparent!important;box-shadow:none!important;border:0!important;padding:0!important;width:80px;height:80px}#qm-initial-loading .qm-load__logo{border-radius:16px;background:transparent}.qa-play-mode{position:fixed;inset:0;z-index:12000;display:grid;place-items:center;padding:1.25rem;background:color-mix(in srgb,#0b1220 55%,transparent);backdrop-filter:blur(10px)}.qa-play-mode__panel{width:min(920px,100%);max-height:min(92vh,720px);overflow:auto;border-radius:20px;background:linear-gradient(165deg,#fff,#f4f7fb);border:1px solid rgba(16,69,176,.12);box-shadow:0 24px 64px #0f172a47;padding:1.25rem 1.35rem 1.5rem}.qa-play-mode__head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.15rem}.qa-play-mode__eyebrow{margin:0 0 .2rem;font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--qa-accent, #28C2D1)}.qa-play-mode__head h2{margin:0;font-size:1.45rem;line-height:1.2;color:var(--qa-text)}.qa-play-mode__sub{margin:.35rem 0 0;color:var(--qa-muted);font-size:.92rem}.qa-play-mode__close{flex:0 0 auto;width:2.25rem;height:2.25rem;border-radius:999px;border:1px solid var(--qa-line);background:#fff;font-size:1.35rem;line-height:1;cursor:pointer;color:var(--qa-muted)}.qa-play-mode__close:hover{color:var(--qa-text);border-color:color-mix(in srgb,var(--qa-primary) 35%,transparent)}.qa-play-mode__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem}.qa-play-mode__tile{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;min-height:11.5rem;padding:1.1rem 1rem;border-radius:16px;border:2px solid transparent;text-align:left;cursor:pointer;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.qa-play-mode__tile:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 28px #0f172a1f}.qa-play-mode__tile:disabled{opacity:.45;cursor:not-allowed}.qa-play-mode__tile--quiz{background:linear-gradient(160deg,#eef4ff,#e0ecff);border-color:color-mix(in srgb,#2563eb 28%,transparent)}.qa-play-mode__tile--arena{background:linear-gradient(160deg,#04111f,#0a2744);border-color:color-mix(in srgb,#2ec8ff 45%,transparent);color:#f4f7fb}.qa-play-mode__tile--tycoon{background:linear-gradient(160deg,#fff7ed,#ffedd5);border-color:color-mix(in srgb,#ea580c 32%,transparent)}.qa-play-mode__kicker{font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;opacity:.75}.qa-play-mode__tile--arena .qa-play-mode__kicker{color:#7ddeff;opacity:1}.qa-play-mode__name{font-size:1.2rem;line-height:1.15}.qa-play-mode__blurb{margin-top:auto;font-size:.86rem;line-height:1.35;opacity:.88}@media(max-width:760px){.qa-play-mode__grid{grid-template-columns:1fr}.qa-play-mode__tile{min-height:0}}:root,html[data-theme=light]{--qa-primary: var(--qmf-primary, #1045B0);--qa-primary-dark: var(--qmf-primary-dark, #0d3a96);--qa-accent: var(--qmf-accent, #28C2D1);--qa-accent-grad: var(--qmf-primary, #1045B0);--qa-brand-grad: var(--qmf-primary, #1045B0);--qa-cyan: var(--qmf-cyan, #28C2D1);--qa-lime: var(--qmf-lime, #A2F053);--qa-success: var(--qmf-success, #16a34a);--qa-warning: var(--qmf-warning, #d97706);--qa-danger: var(--qmf-danger, #dc2626);--qa-bg: #f5f5f7;--qa-surface: #ffffff;--qa-surface-2: #ebebed;--qa-text: #1d1d1f;--qa-muted: #6e6e73;--qa-line: rgba(0, 0, 0, .08);--qa-shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--qa-shadow-md: 0 4px 14px rgba(0, 0, 0, .06);--qa-sidebar: 244px;--qa-font: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;--qa-font-display: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;--qa-radius: 10px;--qa-radius-sm: 8px;--qa-gutter-x: 1.25rem;--qa-gutter-y: 1rem;--qa-chrome-gap: .75rem;--qa-nav-overview: #2563eb;--qa-nav-assignments: #4f46e5;--qa-nav-activity: #ea580c;--qa-nav-library: #7c3aed;--qa-nav-students: #16a34a;--qa-nav-classes: #06b6d4;--qa-nav-analytics: #d97706;--qa-nav-settings: #64748b;--qa-tb-analytics: #2563eb;--qa-tb-students: #7c3aed;--qa-tb-share: #0891b2;--qa-tb-filter: #0d9488;--qa-tb-sort: #64748b;--qa-tb-more: #64748b;--qa-space-1: var(--qmf-space-1, .25rem);--qa-space-2: var(--qmf-space-2, .5rem);--qa-space-3: var(--qmf-space-3, .75rem);--qa-space-4: var(--qmf-space-4, 1rem);--qa-space-5: var(--qmf-space-5, 1.25rem);--qa-space-6: var(--qmf-space-6, 1.5rem);--qa-space-8: var(--qmf-space-8, 2rem);color-scheme:light}html[data-theme=dark]{--qa-primary: #5b8def;--qa-primary-dark: #3b6fd9;--qa-accent: #28C2D1;--qa-accent-grad: #5b8def;--qa-cyan: #28C2D1;--qa-lime: #A2F053;--qa-bg: #1c1c1e;--qa-surface: #2c2c2e;--qa-surface-2: #3a3a3c;--qa-text: #f5f5f7;--qa-muted: #98989d;--qa-line: rgba(255, 255, 255, .12);--qa-shadow-sm: 0 1px 2px rgba(0, 0, 0, .28);--qa-shadow-md: 0 6px 18px rgba(0, 0, 0, .32);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--qa-font);color:var(--qa-text);background:var(--qa-bg)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.qa-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:99;background:var(--qa-text);color:var(--qa-surface);padding:.75rem 1rem;border-radius:8px}.skip-link:focus{top:1rem}.qa-spinner{width:22px;height:22px;border:3px solid var(--qa-line);border-top-color:var(--qa-primary);border-radius:50%;animation:qa-spin .8s linear infinite;margin:auto}@keyframes qa-spin{to{transform:rotate(360deg)}}.qa-ico{width:1.1rem;height:1.1rem;display:block;flex-shrink:0}body.has-qmf-header .qa-shell{min-height:calc(100vh - var(--qmf-header-h, 58px))}.qa-shell{height:calc(100vh - var(--qmf-header-h, 0px));min-height:0;display:grid;grid-template-columns:var(--qa-sidebar) minmax(0,1fr);overflow:hidden;background:var(--qa-bg);color:var(--qa-text)}.qa-sidebar{position:sticky;top:var(--qmf-header-h, 0);height:calc(100vh - var(--qmf-header-h, 0px));display:flex;flex-direction:column;gap:var(--qa-space-4);padding:var(--qa-space-4) var(--qa-space-3);background:color-mix(in srgb,var(--qa-surface) 94%,transparent);border-right:1px solid var(--qa-line);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);z-index:20}.qa-sidebar-label{margin:0 0 .15rem;padding:0 .35rem;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--qa-muted)}.qa-nav{display:grid;gap:var(--qa-space-1)}.qa-nav-item{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:var(--qa-space-3);width:100%;min-height:46px;border:0;background:transparent;color:var(--qa-muted);text-align:left;padding:var(--qa-space-2) var(--qa-space-3);border-radius:12px;transition:background .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.qa-nav-item:hover:not(:disabled){background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface-2));color:var(--qa-text)}.qa-nav-item[aria-current=page]{background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface));color:var(--qa-text);font-weight:600;box-shadow:inset 2px 0 0 var(--qa-primary)}.qa-nav-icon{width:28px;height:28px;display:grid;place-content:center;border-radius:8px;background:transparent}.qa-nav-label{font-size:.9375rem;font-weight:550;letter-spacing:-.01em}.qa-nav-item[aria-current=page] .qa-nav-label{font-weight:600}.qa-content{min-width:0;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.qa-topbar{height:52px;display:flex;align-items:center;gap:.75rem;padding:0 clamp(1rem,3vw,1.5rem)}.qa-topbar--minimal{height:auto;min-height:0;padding-top:.65rem;padding-bottom:0}.qa-topbar-spacer{flex:1}.qa-icon-btn{border:1px solid var(--qa-line);background:var(--qa-surface);color:var(--qa-text);border-radius:10px;min-width:36px;min-height:36px;padding:.4rem;display:grid;place-content:center;box-shadow:var(--qa-shadow-sm)}.qa-icon-btn .qa-ico{width:1.05rem;height:1.05rem}.qa-page{width:100%;max-width:none;min-height:0;overflow:auto;padding:0;overscroll-behavior:contain}.qa-btn{border:0;border-radius:8px;padding:.55rem .9rem;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:.4rem;position:relative;overflow:hidden;letter-spacing:-.01em;transition:transform .15s ease,filter .15s ease,box-shadow .2s ease,background .15s ease}.qa-btn:hover{transform:translateY(-1px)}.qa-btn:active{transform:translateY(0) scale(.98)}.qa-btn:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--qa-rx, 50%) var(--qa-ry, 50%),rgba(255,255,255,.35),transparent 55%);opacity:0;transition:opacity .35s ease;pointer-events:none}.qa-btn:active:after{opacity:1;transition:opacity 0s}.qa-btn--primary{background:var(--qa-primary, #1045B0)!important;background-image:none!important;color:#fff!important;box-shadow:var(--qa-shadow-sm),0 8px 18px color-mix(in srgb,var(--qa-primary, #1045B0) 28%,transparent)}.qa-btn--primary:hover{filter:brightness(1.08);background:var(--qa-primary-dark, #0d3a96)!important;color:#fff!important}.qa-btn--primary:disabled,.qa-btn--primary[disabled]{opacity:.65;filter:none;background:var(--qa-primary, #1045B0)!important;color:#fff!important}.qa-btn--primary .qa-ico,.qa-btn--primary svg{color:#fff!important;stroke:currentColor;fill:none;filter:none!important}.qa-btn--soft{background:color-mix(in srgb,var(--qa-primary) 12%,var(--qa-surface));color:var(--qa-primary-dark, #0d3a96)}.qa-btn--soft:hover{background:color-mix(in srgb,var(--qa-primary) 18%,var(--qa-surface))}.qa-btn--ghost{background:transparent;border:1px solid var(--qa-line);color:var(--qa-text)}.qa-btn--ghost:hover{background:var(--qa-surface-2)}.qa-btn--block{width:100%}.qa-btn-ico .qa-ico{width:1rem;height:1rem;color:currentColor;stroke:currentColor;filter:none}.qa-btn--primary.qa-btn-ico .qa-ico{color:#fff;filter:none}.qa-workspace{width:100%;min-height:100%;display:grid;grid-template-rows:auto minmax(0,1fr);align-content:stretch;gap:1.1rem;animation:qa-fade .3s ease}@keyframes qa-fade{0%{opacity:0}to{opacity:1}}.qa-workspace-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:1rem;padding-top:.35rem}.qa-workspace-title h1{margin:0;font-size:clamp(1.55rem,2.5vw,1.9rem);letter-spacing:-.04em}.qa-muted{margin:.25rem 0 0;color:var(--qa-muted);font-size:.88rem}.qa-workspace-actions{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center;min-width:min(100%,420px);flex:1;justify-content:flex-end}.qa-search-wrap{position:relative;flex:1;min-width:180px;max-width:320px}.qa-search-ico{position:absolute;left:.8rem;top:50%;transform:translateY(-50%);pointer-events:none}.qa-search-ico .qa-ico{width:1rem;height:1rem}.qa-search{width:100%;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:12px;padding:.7rem .9rem .7rem 2.4rem;box-shadow:var(--qa-shadow-sm)}.qa-search:focus{outline:2px solid color-mix(in srgb,var(--qa-primary) 40%,transparent);outline-offset:1px}.qa-live-page{width:100%;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);align-items:start;gap:1.25rem}.qa-overview{position:relative;display:grid;gap:1rem;width:100%;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}.qa-overview-head,.qa-overview-foot{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:1rem}.qa-overview-head>.qa-workspace-actions{margin-left:auto}.qa-overview-head h2{margin:.12rem 0 0;font-size:1.12rem;letter-spacing:-.025em}.qa-kicker{margin:0;color:var(--qa-primary);font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.qa-session-count{display:flex;align-items:baseline;gap:.42rem;padding:.48rem .72rem;border:1px solid var(--qa-line);border-radius:999px;background:color-mix(in srgb,var(--qa-surface) 84%,transparent);backdrop-filter:blur(8px)}.qa-session-count strong{font-size:1.15rem;color:var(--qa-primary)}.qa-session-count span{color:var(--qa-muted);font-size:.74rem;font-weight:700}.qa-journey-map.qz-pmap-mount{width:100%;min-height:20rem;height:clamp(20rem,48dvh,32rem);border-radius:16px;box-shadow:none;overflow:hidden;background:color-mix(in srgb,var(--qa-primary) 4%,var(--qa-surface))}.qa-overview-foot{padding-top:.35rem}.qa-overview-foot strong{font-size:.84rem}.qa-overview-foot .qa-muted{font-size:.76rem;margin:.2rem 0 0}.qa-inline-load{display:flex;align-items:center;gap:.65rem;padding:.85rem 0;color:var(--qa-muted);font-size:.9rem;font-weight:650}.qa-inline-load .qa-spinner{width:1.1rem;height:1.1rem}.qa-section-head{display:flex;justify-content:space-between;align-items:center;gap:.75rem;flex-wrap:wrap}.qa-section-head h2{margin:0;font-size:1.15rem;letter-spacing:-.02em}.qa-list{display:grid;gap:.65rem}.qa-item{display:flex;justify-content:space-between;align-items:center;gap:1rem;background:var(--qa-surface);border:1px solid var(--qa-line);border-radius:16px;padding:1rem 1.05rem;box-shadow:var(--qa-shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.qa-item:hover{transform:translateY(-2px);box-shadow:var(--qa-shadow-md)}.qa-item-main{min-width:0;flex:1;display:grid;gap:.3rem}.qa-item-top{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.qa-item-title{margin:0;font-size:1.02rem;letter-spacing:-.02em;line-height:1.25}.qa-item-meta{margin:0;color:var(--qa-muted);font-size:.84rem}.qa-join-code{margin:0;font-size:.8rem;font-weight:700;color:var(--qa-primary);letter-spacing:.04em}.qa-row-actions{display:flex;flex-wrap:wrap;gap:.35rem;flex-shrink:0}.qa-row-actions .qa-btn{padding:.45rem .75rem;font-size:.8rem;border-radius:10px}.qa-item--live{border-left:3px solid #94a3b8}.qa-item--live.qa-item--live{border-left-color:#ef4444}.qa-item--waiting{border-left-color:#f59e0b}.qa-item--done{border-left-color:#94a3b8}.qa-badge{display:inline-flex;align-items:center;padding:.16rem .5rem;border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;background:var(--qa-surface-2);color:var(--qa-muted)}.qa-badge--live{color:#15803d;background:color-mix(in srgb,#22c55e 18%,white)}.qa-badge--waiting{color:#1d4ed8;background:color-mix(in srgb,#3b82f6 16%,white)}.qa-badge--draft{color:#a16207;background:color-mix(in srgb,#facc15 22%,white)}.qa-badge--done{color:#475569;background:color-mix(in srgb,#94a3b8 18%,white)}.qa-badge--expired{color:#b45309;background:color-mix(in srgb,#f59e0b 18%,white)}.qa-badge--pulse{animation:none;box-shadow:inset 0 0 0 1px color-mix(in srgb,#22c55e 45%,transparent)}@keyframes qa-badge-pulse{0%,to{box-shadow:0 0 0 0 transparent}50%{box-shadow:0 0 0 0 transparent}}html[data-theme=dark] .qa-badge--live{background:color-mix(in srgb,#22c55e 22%,#1e293b);color:#86efac}html[data-theme=dark] .qa-badge--waiting{background:color-mix(in srgb,#3b82f6 22%,#1e293b);color:#93c5fd}html[data-theme=dark] .qa-badge--draft{background:color-mix(in srgb,#facc15 22%,#1e293b);color:#fde68a}html[data-theme=dark] .qa-badge--expired{background:color-mix(in srgb,#f59e0b 22%,#1e293b);color:#fcd34d}.qa-empty-lite{background:var(--qa-surface);border:1px dashed var(--qa-line);border-radius:16px;padding:2rem 1.25rem;text-align:center}.qa-empty-lite strong{display:block;font-size:1.05rem;margin-bottom:.35rem}.qa-empty-lite p{margin:0;color:var(--qa-muted);font-size:.9rem}.qa-panel{background:var(--qa-surface);border:1px solid var(--qa-line);border-radius:16px;padding:2rem;box-shadow:var(--qa-shadow-sm)}.qa-panel--center{display:grid;place-items:center;gap:.7rem;min-height:180px}.qa-panel--error{color:var(--qa-danger)}.qa-timeline{display:grid;gap:1.15rem}.qa-timeline-label{margin:0 0 .45rem;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--qa-muted)}.qa-finder{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:.75rem}.qa-finder-tile{position:relative;display:grid;gap:.45rem;justify-items:center;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:16px;padding:1.1rem .7rem .9rem;box-shadow:var(--qa-shadow-sm);text-align:center;transition:transform .2s ease,box-shadow .2s ease}.qa-finder-tile:hover{transform:translateY(-3px) scale(1.02);box-shadow:var(--qa-shadow-md)}.qa-finder-ico{width:44px;height:44px;border-radius:12px;display:grid;place-content:center;background:var(--qa-surface-2)}.qa-finder-ico .qa-ico{width:1.35rem;height:1.35rem}.qa-finder-title{font-size:.86rem;font-weight:700;letter-spacing:-.01em;line-height:1.25;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-finder-kind{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--qa-muted)}.qa-finder-star{position:absolute;top:.45rem;right:.45rem}.qa-drawer-label{margin:.35rem 0 .45rem;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--qa-muted)}body.qa-overlay-open{overflow:hidden}.qa-drawer-backdrop{position:fixed;inset:0;background:#0f172a7a;opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:1200;backdrop-filter:blur(6px)}.qa-drawer-backdrop.is-open{opacity:1;pointer-events:auto}.qa-drawer{position:fixed;z-index:1210;display:grid;grid-template-rows:auto 1fr auto;background:var(--qa-surface);overflow:hidden}.qa-drawer--modal{left:50%;top:50%;width:min(520px,calc(100vw - 32px));height:auto;max-height:min(88vh,700px);margin:0;border:1px solid color-mix(in srgb,var(--qa-line) 85%,transparent);border-radius:16px;box-shadow:0 24px 48px #0f172a29,0 4px 12px #0f172a0f;transform:translate(-50%,calc(-50% + 12px)) scale(.98);opacity:0;pointer-events:none;transition:transform .24s cubic-bezier(.22,1,.36,1),opacity .22s ease}.qa-drawer--modal.is-open{transform:translate(-50%,-50%) scale(1);opacity:1;pointer-events:auto}.qa-drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-shrink:0;padding:20px 20px 12px;border-bottom:none;background:var(--qa-surface)}.qa-drawer-head__text{min-width:0}.qa-drawer-head h2{margin:0;font-size:1.125rem;font-weight:700;letter-spacing:-.02em;line-height:1.25}.qa-drawer-head__sub{margin:4px 0 0;font-size:.8125rem;line-height:1.45;color:var(--qa-muted);font-weight:500}.qa-drawer-body{overflow:auto;padding:0 20px 8px;display:block;width:100%;max-width:none;margin:0;min-height:0;-webkit-overflow-scrolling:touch}.qa-drawer-foot{flex-shrink:0;padding:12px 20px 20px;border-top:1px solid var(--qa-line);width:100%;max-width:none;margin:0;background:var(--qa-surface)}.qa-drawer-foot--assign{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;max-width:none}.qa-drawer-foot__hint{flex:1;min-width:0}.qa-drawer-foot--assign .qa-assign-hint{margin:0;font-size:.8125rem;line-height:1.35;color:var(--qa-muted)}.qa-drawer-foot--assign .qa-btn--primary{flex-shrink:0;min-width:140px;min-height:42px;border-radius:10px;font-weight:600}.qa-assign-sheet{width:100%;margin:0;min-height:0}.qa-assign-form{display:flex;flex-direction:column;gap:16px;padding-bottom:4px}.qa-assign-type{margin-bottom:2px}.qa-field--plain{display:grid;gap:6px}.qa-field-label{font-size:.8125rem;font-weight:600;color:var(--qa-text);letter-spacing:-.01em}.qa-input--plain,.qa-select--plain{width:100%;min-height:42px;padding:0 12px;border:1px solid var(--qa-line);border-radius:10px;background:#fff;color:var(--qa-text);font-size:.875rem;font-weight:500;transition:border-color .15s,box-shadow .15s}.qa-input--plain:focus,.qa-select--plain:focus{outline:none;border-color:color-mix(in srgb,var(--qa-primary) 50%,var(--qa-line));box-shadow:0 0 0 3px color-mix(in srgb,var(--qa-primary) 12%,transparent)}.qa-select--plain{padding-right:2rem;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--qa-muted) 50%),linear-gradient(135deg,var(--qa-muted) 50%,transparent 50%);background-position:calc(100% - 14px) 52%,calc(100% - 8px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.qa-assign-settings .qa-segment{background:color-mix(in srgb,var(--qa-surface) 70%,#fff)}.qa-assign-settings .qa-segment__btn.is-active{background:#fff;color:var(--qa-text);box-shadow:0 1px 3px #0f172a14}.qa-assign-settings__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qa-segment-field{display:grid;gap:6px;min-width:0}.qa-segment-field .qa-segment{width:100%}.qa-assign-theme{display:grid;gap:8px}.qa-theme-picker{display:grid;gap:10px}.qa-theme-preview{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--qa-line);background:var(--theme-bg, #0f172a);min-height:108px}.qa-theme-preview__screen{padding:10px 12px 28px;min-height:108px}.qa-theme-preview__top{height:6px;width:42%;border-radius:999px;background:var(--theme-accent, #38bdf8);opacity:.9;margin-bottom:10px}.qa-theme-preview__card{height:14px;border-radius:6px;background:color-mix(in srgb,#fff 14%,var(--theme-bg, #0f172a));border:1px solid color-mix(in srgb,var(--theme-accent, #fff) 35%,transparent);margin-bottom:6px}.qa-theme-preview__card--short{width:72%;margin-bottom:8px}.qa-theme-preview__footer{height:5px;width:28%;border-radius:999px;background:color-mix(in srgb,var(--theme-accent, #fff) 55%,transparent)}.qa-theme-preview__name{position:absolute;left:10px;bottom:8px;padding:2px 8px;border-radius:999px;font-size:.6875rem;font-weight:600;color:#fff;background:#0f172a8c;backdrop-filter:blur(4px)}.qa-theme-picker__strip{display:grid;grid-template-columns:32px 1fr 32px;align-items:center;gap:6px}.qa-theme-picker__nav{width:32px;height:32px;border-radius:8px;border:1px solid var(--qa-line);background:#fff;color:var(--qa-muted);font-size:1.25rem;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0;transition:border-color .15s,color .15s,background .15s}.qa-theme-picker__nav:hover{color:var(--qa-text);border-color:color-mix(in srgb,var(--qa-primary) 40%,var(--qa-line));background:var(--qa-surface-2)}.qa-theme-picker__track{display:flex;gap:8px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;padding:2px 0;-webkit-overflow-scrolling:touch}.qa-theme-picker__track::-webkit-scrollbar{display:none}.qa-theme-picker__chip{flex:0 0 72px;display:grid;gap:4px;justify-items:center;padding:4px;border:2px solid transparent;border-radius:10px;background:#fff;cursor:pointer;transition:border-color .15s,transform .15s}.qa-theme-picker__chip:hover{transform:translateY(-1px)}.qa-theme-picker__chip.is-active{border-color:var(--theme-accent, var(--qa-primary));box-shadow:0 0 0 1px color-mix(in srgb,var(--theme-accent, var(--qa-primary)) 30%,transparent)}.qa-theme-picker__chip-swatch{display:block;width:100%;aspect-ratio:4 / 3;border-radius:6px;background:var(--theme-bg, #0f172a);box-shadow:inset 0 0 0 1px #ffffff14}.qa-theme-picker__chip-name{font-size:.625rem;font-weight:600;line-height:1.15;text-align:center;color:var(--qa-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.qa-theme-picker__chip.is-active .qa-theme-picker__chip-name{color:var(--qa-text)}.qa-assign-form .qa-field-row--meta{gap:12px;margin:0}.qa-assign-form .qa-field-error{margin:0;font-size:.8125rem;padding:8px 10px;border-radius:8px;background:#fef2f2;color:#b91c1c}.qa-segment{display:grid;gap:0;padding:3px;border-radius:10px;background:#fff;border:1px solid var(--qa-line)}.qa-segment--2{grid-template-columns:1fr 1fr}.qa-segment--3{grid-template-columns:repeat(3,1fr)}.qa-segment__btn{display:flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 10px;border:none;border-radius:7px;background:transparent;color:var(--qa-muted);font-weight:600;font-size:.8125rem;cursor:pointer;transition:background .15s,color .15s,box-shadow .15s}.qa-segment__btn:hover:not(.is-active){color:var(--qa-text);background:color-mix(in srgb,var(--qa-surface-2) 80%,transparent)}.qa-segment__btn.is-active{background:var(--qa-primary);color:#fff;box-shadow:0 1px 3px #1045b040}.qa-segment__btn--quiz.is-active{background:#6366f1}.qa-segment__btn--homework.is-active{background:#f59e0b}.qa-assign-toolbar{display:grid;grid-template-columns:1fr 1fr;gap:8px}.qa-assign-toolbar__group{display:flex;align-items:center;gap:6px;min-width:0}.qa-assign-toolbar__label{font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted);white-space:nowrap;flex-shrink:0}.qa-assign-pills{display:flex;gap:4px;flex:1;min-width:0}.qa-choice--pill{flex:1;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:32px;padding:4px 6px;border-radius:999px;border:1px solid var(--qa-line);background:#fff;font-size:.72rem;font-weight:700;cursor:pointer}.qa-choice--pill .qa-drawer-ico{width:22px;height:22px}.qa-choice--pill .qa-drawer-ico .qa-ico{width:12px;height:12px}.qa-choice--pill .qa-choice__label{font-size:.72rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qa-assign-empty{margin:0;padding:8px 10px;font-size:.82rem;color:var(--qa-muted);border:1px dashed var(--qa-line);border-radius:10px;background:var(--qa-surface-2)}.qa-assign-empty a{color:var(--qa-primary);font-weight:700;text-decoration:none}.qa-assign-empty a:hover{text-decoration:underline}.qa-theme-strip--row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0 4px}.qa-theme-strip--row::-webkit-scrollbar{display:none}.qa-theme-chip--compact{flex:0 0 52px;width:52px;padding:4px;border-radius:10px;border:2px solid transparent;background:#fff;transition:border-color .15s,transform .15s}.qa-theme-chip--compact:hover{transform:translateY(-1px)}.qa-theme-chip--compact.is-active{border-color:var(--qa-primary);box-shadow:0 0 0 1px color-mix(in srgb,var(--qa-primary) 25%,transparent)}.qa-theme-chip--compact .qa-theme-chip__swatch{aspect-ratio:1;border-radius:6px;width:100%;background:var(--theme-bg, #1e293b);box-shadow:inset 0 0 0 1px #ffffff14}.qa-assign-sheet .qa-field__label{font-size:.68rem;margin-bottom:0}.qa-assign-sheet .qa-field-row--meta{gap:8px;margin:0}.qa-assign-sheet .qa-input-shell{min-height:36px}.qa-assign-sheet .qa-field-error{margin:0;font-size:.8rem}@media(max-width:520px){.qa-drawer--modal{width:calc(100vw - 20px);max-height:calc(100dvh - 24px)}.qa-assign-settings__grid{grid-template-columns:1fr}.qa-drawer-foot--assign{grid-template-columns:1fr;gap:10px}.qa-drawer-foot--assign .qa-btn--primary{width:100%}}@media(max-height:720px){.qa-drawer-head{padding-top:16px}.qa-drawer-head h2{font-size:1.05rem}.qa-segment__btn{min-height:34px}.qa-input--plain,.qa-select--plain{min-height:40px}.qa-theme-chip--compact{flex-basis:46px;width:46px}}.qa-choice--quiz.is-active{border-color:#6366f1;background:#eef2ff}.qa-choice--homework.is-active{border-color:#f59e0b;background:#fff7ed}.qa-choice--class.is-active{border-color:#14b8a6;background:#ecfdf5}.qa-choice--link.is-active{border-color:#3b82f6;background:#eff6ff}.qa-choice--guest.is-active{border-color:#22c55e;background:#f0fdf4}.qa-choice--login.is-active{border-color:#8b5cf6;background:#f5f3ff}.qa-drawer-ico{width:26px;height:26px;border-radius:8px;display:grid;place-content:center;flex-shrink:0}.qa-drawer-ico .qa-ico{width:14px;height:14px}.qa-drawer-ico--quiz{background:#eef2ff;color:#6366f1}.qa-drawer-ico--homework{background:#fff7ed;color:#f59e0b}.qa-drawer-ico--class{background:#ecfdf5;color:#14b8a6}.qa-drawer-ico--link{background:#eff6ff;color:#3b82f6}.qa-drawer-ico--guest{background:#f0fdf4;color:#22c55e}.qa-drawer-ico--login{background:#f5f3ff;color:#8b5cf6}.qa-field--app{gap:4px}.qa-field__label{font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted)}.qa-input-shell{display:flex;align-items:center;gap:8px;border:1px solid var(--qa-line);border-radius:12px;background:#fff;padding:0 10px;min-height:38px;transition:border-color .15s,box-shadow .15s}.qa-input-shell:focus-within{border-color:color-mix(in srgb,var(--qa-primary) 45%,var(--qa-line));box-shadow:0 0 0 3px color-mix(in srgb,var(--qa-primary) 12%,transparent)}.qa-input-shell__ico{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex-shrink:0}.qa-input-shell__ico .qa-ico{width:15px;height:15px}.qa-input-shell--quiz .qa-input-shell__ico,.qa-input-shell--homework .qa-input-shell__ico{background:#eef2ff;color:#6366f1}.qa-input-shell--homework .qa-input-shell__ico{background:#fff7ed;color:#f59e0b}.qa-input-shell--title .qa-input-shell__ico{background:#fdf2f8;color:#d82b7d}.qa-input-shell--class .qa-input-shell__ico{background:#ecfdf5;color:#14b8a6}.qa-input-shell--date .qa-input-shell__ico{background:#f0f9ff;color:#0ea5e9}.qa-input-shell--attempts .qa-input-shell__ico{background:#fff7ed;color:#f97316}.qa-input-shell .qa-input--app,.qa-input-shell .qa-select--app{flex:1;min-width:0;border:0;background:transparent;padding:10px 0;box-shadow:none;border-radius:0}.qa-input-shell .qa-select--app{padding-right:1.5rem;background-image:linear-gradient(45deg,transparent 50%,var(--qa-muted) 50%),linear-gradient(135deg,var(--qa-muted) 50%,transparent 50%);background-position:calc(100% - 4px) 55%,calc(100% + 2px) 55%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}.qa-field-row--meta{gap:8px;margin:0}.qa-theme-strip{flex:1;min-height:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;align-content:start;overflow:hidden}.qa-theme-chip{display:grid;gap:3px;justify-items:center;padding:4px 3px;border:1px solid var(--qa-line);border-radius:9px;background:#fff;cursor:pointer;color:inherit;min-width:0}.qa-theme-chip.is-active{border-color:var(--theme-accent, var(--qa-primary));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--theme-accent, var(--qa-primary)) 35%,transparent)}.qa-theme-chip__swatch{display:block;width:100%;aspect-ratio:16 / 10;border-radius:7px;background:var(--theme-bg, #0f172a);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--theme-accent, #fff) 50%,transparent)}.qa-theme-chip__name{font-size:.62rem;font-weight:700;line-height:1.15;text-align:center;color:var(--qa-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.qa-drawer .qa-theme-grid{max-height:none;grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.qa-choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:.4rem}.qa-theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.45rem;max-height:11rem;overflow:auto;margin:0 0 .75rem;padding:2px}.qa-theme-thumb{display:grid;gap:.3rem;justify-items:center;padding:.45rem .35rem;border:1px solid var(--qa-line);border-radius:12px;background:var(--qa-surface);cursor:pointer;color:inherit}.qa-theme-thumb:hover{border-color:color-mix(in srgb,var(--qa-primary) 35%,var(--qa-line))}.qa-theme-thumb.is-active{border-color:color-mix(in srgb,var(--qa-primary) 45%,var(--qa-line));background:color-mix(in srgb,var(--qa-primary) 10%,var(--qa-surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--qa-primary) 20%,transparent)}.qa-theme-thumb__swatch{display:block;width:100%;aspect-ratio:16 / 10;border-radius:8px}.qa-theme-thumb__name{font-size:.68rem;font-weight:700;line-height:1.2;text-align:center}.qa-choice-grid--4{grid-template-columns:1fr 1fr}.qa-choice{display:flex;align-items:center;gap:.55rem;border:1px solid var(--qa-line);background:var(--qa-surface-2);border-radius:12px;padding:.7rem .75rem;text-align:left;font-weight:700}.qa-choice--compact{flex-direction:column;align-items:flex-start;gap:.15rem;padding:.65rem .7rem}.qa-choice-hint{font-size:.72rem;font-weight:500;color:var(--qa-muted);line-height:1.25}.qa-choice.is-active{border-color:color-mix(in srgb,var(--qa-primary) 45%,var(--qa-line));background:color-mix(in srgb,var(--qa-primary) 10%,var(--qa-surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--qa-primary) 20%,transparent)}.qa-drawer-ico{width:28px;height:28px;border-radius:8px;display:grid;place-content:center;background:var(--qa-surface)}.qa-drawer-ico .qa-ico{width:1rem;height:1rem}.qa-field{display:grid;gap:.3rem}.qa-field>span{font-size:.8rem;font-weight:700;color:var(--qa-muted)}.qa-field input,.qa-select{width:100%;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:11px;padding:.7rem .8rem;color:var(--qa-text);font:inherit}.qa-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--qa-muted) 50%),linear-gradient(135deg,var(--qa-muted) 50%,transparent 50%);background-position:calc(100% - 16px) 55%,calc(100% - 10px) 55%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:2rem}.qa-field-row{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.qa-field-error{margin:0;color:var(--qa-danger);font-size:.85rem;font-weight:650}.qa-assign-hint{margin:0 0 .55rem;font-size:.8rem}.qa-assign-mode-hint{margin:0;font-size:.84rem;line-height:1.4}.qa-textarea{width:100%;min-height:4.5rem;resize:vertical;border:1px solid var(--qa-line);border-radius:10px;background:var(--qa-surface);color:var(--qa-text);padding:.65rem .75rem;font:inherit;line-height:1.4}.qa-textarea:focus,.qa-input:focus{outline:2px solid color-mix(in srgb,var(--qa-primary) 35%,transparent);outline-offset:1px}.qa-input{width:100%;border:1px solid var(--qa-line);border-radius:10px;background:var(--qa-surface);color:var(--qa-text);padding:.65rem .75rem;font:inherit}.qa-share-result{display:grid;gap:.65rem;margin-top:.35rem;padding:.85rem .9rem;border:1px solid color-mix(in srgb,var(--qa-primary) 28%,var(--qa-line));border-radius:12px;background:color-mix(in srgb,var(--qa-primary) 6%,var(--qa-surface))}.qa-share-result--hero{position:relative;margin:0;border:0;background:transparent;padding:0;gap:1rem;text-align:center}.qa-share-confetti{pointer-events:none;position:absolute;inset:0 8% auto;height:64px;overflow:hidden}.qa-share-confetti i{position:absolute;top:6px;width:6px;height:6px;border-radius:2px;opacity:0;animation:qa-share-confetti .9s ease-out forwards}.qa-share-confetti i:nth-child(1){left:12%;background:#22c55e;animation-delay:40ms}.qa-share-confetti i:nth-child(2){left:28%;background:#3b82f6;animation-delay:90ms}.qa-share-confetti i:nth-child(3){left:44%;background:#f59e0b;animation-delay:20ms}.qa-share-confetti i:nth-child(4){left:58%;background:#ec4899;animation-delay:.12s}.qa-share-confetti i:nth-child(5){left:72%;background:#8b5cf6;animation-delay:60ms}.qa-share-confetti i:nth-child(6){left:86%;background:#14b8a6;animation-delay:.15s}@keyframes qa-share-confetti{0%{opacity:0;transform:translateY(0) scale(.6) rotate(0)}20%{opacity:1}to{opacity:0;transform:translateY(48px) scale(1) rotate(120deg)}}.qa-share-hero{display:grid;justify-items:center;gap:.45rem}.qa-share-check{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;color:#fff;background:linear-gradient(145deg,#22c55e,#16a34a);box-shadow:0 10px 22px #22c55e52;font-size:1.35rem;font-weight:800;animation:qa-share-check-in .28s ease-out}@keyframes qa-share-check-in{0%{opacity:0;transform:scale(.82)}to{opacity:1;transform:scale(1)}}.qa-share-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.22rem .65rem;border-radius:999px;background:#ecfdf3;color:#027a48;font-size:.72rem;font-weight:750}.qa-share-badge:before{content:"";width:7px;height:7px;border-radius:50%;background:#12b76a;box-shadow:0 0 0 3px #12b76a33}.qa-share-headline{margin:0;font-size:1.25rem;font-weight:800;letter-spacing:-.02em}.qa-share-lead{margin:0;max-width:28ch;color:var(--qa-muted);font-size:.88rem;line-height:1.45}.qa-share-banner{margin:0;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--qa-primary)}.qa-share-title{margin:.15rem 0 0;max-width:34ch;font-weight:750;font-size:1rem;letter-spacing:-.02em;line-height:1.3}.qa-share-card{display:grid;justify-items:center;gap:.65rem;padding:1rem .85rem .9rem;border-radius:16px;border:1px solid var(--qa-line);background:radial-gradient(80% 70% at 50% 0%,color-mix(in srgb,var(--qa-primary) 12%,transparent),transparent 60%),var(--qa-surface-2);box-shadow:0 8px 22px #0f172a0d}.qa-share-qr{display:grid;justify-items:center;gap:.35rem;padding:.75rem;border-radius:14px;background:var(--qa-surface-2);border:1px solid var(--qa-line)}.qa-share-qr img,.qa-share-qr-img{display:block;width:200px;height:200px;border-radius:8px;background:#fff}.qa-share-qr-frame{position:relative;width:200px;height:200px;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px #0f172a0f,0 10px 24px #0f172a14;animation:qa-share-qr-in .28s ease-out both;transition:transform .18s ease,box-shadow .18s ease}.qa-share-qr-frame:hover{transform:translateY(-2px);box-shadow:0 0 0 1px #0f172a14,0 14px 30px #0f172a1f}@keyframes qa-share-qr-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.qa-share-qr-img{animation:qa-share-qr-pulse 5s ease-in-out 1.2s infinite}.qa-share-scan{position:absolute;left:8%;right:8%;top:0;height:2px;border-radius:999px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--qa-primary) 80%,#fff),transparent);box-shadow:0 0 8px color-mix(in srgb,var(--qa-primary) 55%,transparent);opacity:.75;transform:translateY(12px);animation:qa-share-scan 2.5s linear .32s infinite;pointer-events:none}.qa-share-scan:after{content:"";position:absolute;left:0;right:0;top:0;height:28px;background:linear-gradient(180deg,color-mix(in srgb,var(--qa-primary) 14%,transparent),transparent);transform:translateY(-2px);opacity:.55}@keyframes qa-share-scan{0%{transform:translateY(12px)}to{transform:translateY(186px)}}@keyframes qa-share-qr-pulse{0%,88%,to{transform:scale(1)}94%{transform:scale(1.015)}}.qa-share-scan-hint{margin:0;color:var(--qa-muted);font-size:.82rem;font-weight:650}.qa-share-code{display:flex;justify-content:space-between;align-items:center;gap:.75rem;font-size:.85rem;color:var(--qa-muted)}.qa-share-code strong{display:block;margin-top:.2rem;font-size:1.2rem;letter-spacing:.1em;color:var(--qa-text);font-variant-numeric:tabular-nums}.qa-share-code-hero{display:grid;justify-items:center;gap:.4rem;width:100%;padding-top:.55rem;border-top:1px dashed var(--qa-line)}.qa-share-code-label{color:var(--qa-muted);font-size:.7rem;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.qa-share-code-input{width:min(100%,16rem);border:0;background:transparent;text-align:center;color:var(--qa-text);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.55rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-variant-numeric:tabular-nums;outline:none}.qa-share-code-input:focus{box-shadow:0 2px color-mix(in srgb,var(--qa-primary) 45%,transparent)}.qa-share-code-edit{gap:.45rem}.qa-share-code-row{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;justify-content:center}.qa-input--code{flex:1 1 8rem;min-width:7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-variant-numeric:tabular-nums}.qa-share-code-hint{margin:0;font-size:.75rem}.qa-share-copy{border:0;border-radius:999px;padding:.4rem .85rem;background:color-mix(in srgb,var(--qa-primary) 12%,var(--qa-surface));color:var(--qa-primary);font:inherit;font-size:.78rem;font-weight:700;cursor:pointer}.qa-share-copy:hover{background:color-mix(in srgb,var(--qa-primary) 18%,var(--qa-surface))}.qa-share-copy:disabled{opacity:.55;cursor:default}.qa-share-link{display:flex;align-items:center;gap:.65rem;padding:.65rem .75rem;border-radius:12px;border:1px solid var(--qa-line);background:var(--qa-surface);text-align:left}.qa-share-link-url{flex:1;min-width:0;overflow:hidden;color:var(--qa-muted);font-size:.82rem;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.qa-share-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}.qa-share-stat{display:inline-flex;align-items:baseline;gap:.3rem;padding:.35rem .65rem;border-radius:999px;background:var(--qa-surface-2);color:var(--qa-muted);font-size:.75rem;font-weight:650}.qa-share-stat strong{color:var(--qa-text);font-size:.88rem;font-weight:800;font-variant-numeric:tabular-nums}.qa-share-stat em{font-style:normal}.qa-share-actions{display:flex;flex-wrap:wrap;gap:.45rem;justify-content:center}.qa-drawer-foot--share{padding-top:.35rem}@media(prefers-reduced-motion:reduce){.qa-share-confetti i,.qa-share-scan,.qa-share-qr-img,.qa-share-check,.qa-share-qr-frame{animation:none!important}}.qa-class-empty{display:grid;gap:.35rem;padding:.75rem .85rem;border:1px dashed var(--qa-line);border-radius:12px;background:var(--qa-surface-2)}.qa-class-empty p{margin:0;color:var(--qa-muted);font-size:.88rem}.qa-class-empty a{color:var(--qa-primary);font-weight:700;font-size:.88rem;text-decoration:none}.qa-class-empty a:hover{text-decoration:underline}.qa-people{list-style:none;margin:.55rem 0 0;padding:0;display:grid;gap:.35rem;width:100%}.qa-people--overview{margin-top:.75rem;flex:1 1 100%}.qa-people__item{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.4rem .55rem;border-radius:10px;background:var(--qa-surface-2);border:1px solid var(--qa-line);font-size:.86rem}.qa-people__name{font-weight:700;color:var(--qa-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-people__status{flex:0 0 auto;font-size:.75rem;font-weight:700;color:var(--qa-muted)}.qa-people__status.is-active{color:var(--qa-cyan)}.qa-people__status.is-done{color:var(--qa-success)}.qa-people-empty{margin:.45rem 0 0;font-size:.8rem;color:var(--qa-muted)}.qa-btn--tiny{padding:.35rem .65rem;font-size:.78rem}.qa-row-actions--share{display:flex;flex-wrap:wrap;gap:.35rem;align-items:flex-start}.qa-item--clickable{cursor:pointer}.qa-item--clickable:hover{border-color:color-mix(in srgb,var(--qa-primary) 35%,var(--qa-line))}.qa-item-code{display:inline-flex;align-items:baseline;gap:.45rem;margin:.35rem 0 0;font-size:.78rem;color:var(--qa-muted)}.qa-item-code strong{font-size:.95rem;letter-spacing:.08em;color:var(--qa-text);font-variant-numeric:tabular-nums}.qa-hw-detail-hero{display:none}.qa-hw-detail-heading,.qa-hw-detail .qa-hw-detail-heading{margin:0;font-size:2.25rem;font-weight:700;letter-spacing:-.03em;line-height:1.2;color:var(--qa-text)}.qa-attempt-list{display:grid;gap:.55rem}.qa-attempt{border:1px solid var(--qa-line);border-radius:14px;background:var(--qa-surface);overflow:hidden}.qa-attempt-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem .85rem;border:0;background:transparent;cursor:pointer;text-align:left;color:inherit;font:inherit}.qa-attempt-head:hover{background:var(--qa-surface-2)}.qa-attempt-head__main{display:grid;gap:.15rem;min-width:0}.qa-attempt-head__main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-attempt-body{display:grid;gap:.45rem;padding:.75rem .85rem .85rem;border-top:1px solid var(--qa-line)}.qa-answer-row{display:grid;gap:.35rem;padding:.55rem .65rem;border-radius:10px;background:var(--qa-surface-2)}.qa-answer-row__q{display:flex;gap:.5rem;align-items:flex-start;font-size:.86rem;color:var(--qa-text)}.qa-answer-row__idx{flex:0 0 auto;font-weight:800;color:var(--qa-primary)}.qa-answer-row__a{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}.qa-answer-pill{display:inline-block;padding:.2rem .55rem;border-radius:999px;background:color-mix(in srgb,var(--qa-muted) 12%,transparent);font-size:.8rem;font-weight:700}.qa-answer-pill.is-correct{background:color-mix(in srgb,var(--qa-success) 18%,transparent);color:var(--qa-success)}.qa-answer-pill.is-wrong{background:color-mix(in srgb,var(--qa-danger) 14%,transparent);color:var(--qa-danger)}.qa-answer-pill.is-timeout{background:color-mix(in srgb,var(--qa-warning) 18%,transparent);color:var(--qa-warning)}.qa-answer-mark{font-weight:800}.qa-answer-mark.is-correct{color:var(--qa-success)}.qa-answer-mark.is-wrong{color:var(--qa-danger)}.qa-btn:disabled{opacity:.65;pointer-events:none;transform:none}.update-banner{position:fixed;z-index:70;right:1rem;bottom:1rem;background:var(--qa-text);color:var(--qa-surface);padding:.8rem;border-radius:12px;box-shadow:var(--qa-shadow-md);display:flex;gap:.55rem;align-items:center;flex-wrap:wrap}.update-banner button{border:0;border-radius:8px;padding:.4rem .7rem;font-weight:700;background:var(--qa-accent);color:#fff}.update-banner .button-quiet{background:transparent;color:inherit;border:1px solid currentColor}@media(max-width:860px){.qa-shell{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.qa-sidebar{position:static;width:100%;height:auto;padding:.65rem 1rem .25rem;border-right:0;border-bottom:1px solid var(--qa-line)}.qa-sidebar-label{display:none}.qa-nav{display:flex;gap:.35rem;overflow-x:auto;scrollbar-width:none}.qa-nav::-webkit-scrollbar{display:none}.qa-nav-item{display:flex;width:auto;flex:0 0 auto;padding:.45rem .65rem}.qa-nav-icon{width:28px;height:28px}.qa-item{flex-direction:column;align-items:stretch}.qa-workspace-actions{justify-content:stretch;max-width:none}.qa-search-wrap{max-width:none}.qa-live-page{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.qa-workspace,.qa-item,.qa-drawer,.qa-finder-tile,.qa-hybrid-row,.qa-session-card,.qa-progress__fill,.qa-badge--pulse,.qa-btn,.qa-res-thumb,.qa-nav-icon .qa-ico{animation:none!important;transition:none!important}}.qa-workspace-head{margin-bottom:1.75rem;gap:1.25rem}.qa-workspace-title h1{font-size:clamp(1.65rem,2.4vw,2rem);font-weight:800;letter-spacing:-.03em;margin:0}.qa-workspace-title .qa-muted{margin:.35rem 0 0;font-size:.95rem;max-width:36rem}.qa-lede{margin:.5rem 0 0;color:var(--qa-muted);font-size:1.02rem;line-height:1.55;max-width:34rem}.qa-overview-page{display:flex;flex-direction:column;gap:1.15rem;max-width:1080px}.qa-overview-hero{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:1rem}.qa-overview-hero h2{margin:.15rem 0 0;font-family:var(--qa-font-display);font-size:clamp(1.55rem,2.2vw,1.9rem);letter-spacing:-.02em;font-weight:600}.qa-overview-block{margin:0;padding:0;border:0;background:transparent;box-shadow:none}.qa-overview-block__head{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem;margin-bottom:.65rem}.qa-overview-block__head h3{margin:0;font-size:1.05rem;font-weight:700;letter-spacing:-.01em;color:var(--qa-text)}.qa-overview-block__stat{font-size:.82rem;font-weight:650;font-variant-numeric:tabular-nums;color:var(--qa-muted)}.qa-overview-block--hero{position:relative;z-index:1}.qa-overview-block--hero .qa-journey-map.qz-pmap-mount{border:1px solid color-mix(in srgb,var(--qa-primary) 12%,var(--qa-line))}.qa-overview-block--secondary{margin-top:.5rem;opacity:.96}.qa-overview-split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:1.35rem}.qa-ov-session{display:flex;flex-wrap:wrap;align-items:center;gap:.85rem 1rem;padding:.85rem 1rem;border-radius:var(--qa-radius);border:1px solid var(--qa-line);background:var(--qa-surface)}.qa-ov-session--empty{justify-content:space-between}.qa-ov-session__copy{flex:1;min-width:12rem;display:grid;gap:.28rem}.qa-ov-session__top{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.qa-ov-session__top .qa-kicker{margin:0}.qa-ov-session__title{font-size:1rem;font-weight:700;letter-spacing:-.015em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-ov-session__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.55rem .85rem}.qa-ov-session__meta .qa-progress{margin:0;max-width:9rem;flex:1;min-width:6rem}.qa-ov-session__actions{display:flex;flex-wrap:wrap;gap:.45rem;margin-left:auto}.qa-ov-secondary{display:grid;gap:.45rem}.qa-ov-secondary__label{margin:0;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--qa-muted)}.qa-ov-chip-row{display:flex;flex-wrap:wrap;gap:.5rem}.qa-ov-chip{display:inline-flex;align-items:center;gap:.55rem;max-width:100%;padding:.4rem .7rem .4rem .4rem;border:1px solid var(--qa-line);border-radius:999px;background:var(--qa-surface);color:inherit;text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease}.qa-ov-chip:hover{background:color-mix(in srgb,var(--qa-primary) 6%,var(--qa-surface));border-color:color-mix(in srgb,var(--qa-primary) 22%,var(--qa-line))}.qa-ov-chip__main{display:grid;gap:.05rem;min-width:0}.qa-ov-chip__main strong{font-size:.8rem;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:11rem}.qa-ov-actions{display:flex;flex-wrap:wrap;gap:.55rem;padding-top:.15rem}.qa-ov-action{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .85rem;border:1px solid var(--qa-line);border-radius:999px;background:var(--qa-surface);color:var(--qa-text);font:inherit;text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.qa-ov-action:hover{background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface));border-color:color-mix(in srgb,var(--qa-primary) 28%,var(--qa-line));color:var(--qa-primary)}.qa-ov-action__ico{display:grid;place-content:center;color:var(--qa-primary)}.qa-ov-action__ico .qa-ico{width:1rem;height:1rem}.qa-ov-action__label{font-size:.8rem;font-weight:650}.qa-res-thumb{--qa-res-accent: var(--qa-primary);--qa-res-grad: var(--qa-brand-grad);display:grid;place-content:center;flex-shrink:0;border-radius:14px;background:var(--qa-res-grad);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--qa-res-accent) 28%,transparent);transition:transform .2s ease,filter .2s ease}.qa-res-thumb__ico{display:grid;place-content:center}.qa-res-thumb__ico .qa-ico{width:1.15rem;height:1.15rem;color:#fff;transition:color .2s ease}.qa-res-thumb--xs{width:2rem;height:2rem;border-radius:9px}.qa-res-thumb--xs .qa-ico{width:.9rem;height:.9rem}.qa-res-thumb--sm{width:2.5rem;height:2.5rem;border-radius:11px}.qa-res-thumb--md{width:3rem;height:3rem}.qa-res-thumb--lg{width:4.25rem;height:4.25rem;border-radius:18px}.qa-res-thumb--lg .qa-ico{width:1.55rem;height:1.55rem}.qa-progress{display:grid;gap:.35rem;margin-top:.65rem;width:100%;max-width:28rem}.qa-progress--compact{margin-top:.45rem;max-width:none}.qa-progress__track{height:.55rem;border-radius:999px;background:color-mix(in srgb,var(--qa-muted) 14%,transparent);overflow:hidden}.qa-progress__fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--qa-primary),var(--qa-cyan));transition:width .45s ease}.qa-progress.is-complete .qa-progress__fill{background:linear-gradient(90deg,var(--qa-primary),var(--qa-lime))}.qa-progress__meta{display:flex;justify-content:space-between;gap:.5rem;font-size:.75rem;font-weight:650;color:var(--qa-muted);font-variant-numeric:tabular-nums}.qa-progress-ring{width:2.5rem;height:2.5rem}.qa-progress-ring__bg{stroke:color-mix(in srgb,var(--qa-muted) 18%,transparent)}.qa-progress-ring__fg{stroke:var(--qa-primary);transition:stroke-dashoffset .55s cubic-bezier(.22,1,.36,1)}.qa-progress-ring__txt{font-size:7px;font-weight:700;fill:var(--qa-text)}.qa-type-badge{display:inline-flex;align-items:center;padding:.18rem .55rem;border-radius:999px;font-size:.7rem;font-weight:750;letter-spacing:.02em;color:var(--qa-res-accent, var(--qa-primary));background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 12%,transparent)}.qa-chip{display:inline-flex;align-items:center;padding:.18rem .55rem;border-radius:999px;font-size:.72rem;font-weight:650;color:var(--qa-muted);background:var(--qa-surface-2)}.qa-session-card{display:grid;gap:1.15rem;padding:1.35rem 1.45rem 1.4rem;border-radius:var(--qa-radius);background:linear-gradient(145deg,color-mix(in srgb,var(--qa-primary) 7%,var(--qa-surface)),var(--qa-surface));box-shadow:var(--qa-shadow-sm);border:0;transition:transform .2s ease,box-shadow .2s ease}.qa-session-card:hover{transform:translateY(-2px);box-shadow:var(--qa-shadow-md)}.qa-session-card--current{grid-template-columns:minmax(0,1fr) minmax(11rem,15rem);grid-template-areas:"hero status" "actions actions"}.qa-session-card__hero{grid-area:hero;display:flex;gap:1.1rem;align-items:flex-start;min-width:0}.qa-session-card__copy{min-width:0;flex:1}.qa-session-card__copy h2{margin:.2rem 0 .55rem;font-size:clamp(1.25rem,2vw,1.55rem);letter-spacing:-.025em}.qa-session-card__chips{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}.qa-session-status-panel{grid-area:status;padding:.95rem 1rem;border-radius:14px;background:color-mix(in srgb,var(--qa-surface) 70%,var(--qa-surface-2))}.qa-session-status-panel__label{margin:0 0 .65rem;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--qa-muted)}.qa-session-status-panel__list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.qa-session-status-panel__list li{display:flex;align-items:center;justify-content:space-between;gap:.5rem;font-size:.82rem}.qa-session-status-panel__list li>span:first-child{color:var(--qa-muted)}.qa-session-card__actions{grid-area:actions;display:flex;flex-wrap:wrap;gap:.55rem;align-items:center}.qa-session-card--empty{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;justify-content:space-between}.qa-recent-list{display:grid;gap:.55rem}.qa-recent-row{display:flex;gap:.85rem;align-items:flex-start;width:100%;text-align:left;border:0;background:var(--qa-surface);border-radius:14px;padding:.85rem .95rem;box-shadow:var(--qa-shadow-sm);transition:transform .18s ease,box-shadow .18s ease}.qa-recent-row:hover{transform:translateY(-2px);box-shadow:var(--qa-shadow-md)}.qa-recent-row__main{flex:1;min-width:0}.qa-recent-row__top{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.qa-recent-row__top strong{font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-recent-row__meta{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;margin-top:.25rem}.qa-upcoming-list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.qa-upcoming-chip{display:flex;gap:.75rem;align-items:center;padding:.75rem .85rem;border-radius:14px;background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 8%,var(--qa-surface))}.qa-upcoming-chip strong{display:block;font-size:.9rem}.qa-upcoming-chip span{font-size:.78rem;font-weight:650;color:var(--qa-res-accent, var(--qa-primary))}.qa-quick-actions__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}.qa-quick-action{display:flex;flex-direction:column;gap:.2rem;text-align:left;padding:.95rem 1rem;border-radius:14px;border:0;background:var(--qa-surface);box-shadow:var(--qa-shadow-sm);color:inherit;transition:transform .18s ease,box-shadow .18s ease}.qa-quick-action:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--qa-shadow-md)}.qa-quick-action:disabled{opacity:.55;cursor:not-allowed}.qa-quick-action strong{font-size:.9rem}.qa-quick-action span{font-size:.75rem;color:var(--qa-muted)}.qa-hybrid-list{display:grid;gap:.65rem}.qa-hybrid-row{position:relative;display:grid;grid-template-columns:auto auto minmax(0,1fr) auto;gap:.9rem;align-items:center;padding:.95rem 1rem .95rem .85rem;border-radius:16px;background:var(--qa-surface);box-shadow:var(--qa-shadow-sm);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}.qa-hybrid-row:hover{transform:translateY(-2px);box-shadow:var(--qa-shadow-md)}.qa-hybrid-row__stripe{width:4px;align-self:stretch;border-radius:999px;background:var(--qa-res-accent, var(--qa-primary))}.qa-hybrid-row__main{min-width:0}.qa-hybrid-row__top{display:flex;align-items:center;justify-content:space-between;gap:.65rem}.qa-hybrid-row__title{margin:0;font-size:1rem;font-weight:750;letter-spacing:-.015em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-hybrid-row__meta{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;margin-top:.3rem}.qa-hybrid-row__actions{display:flex;align-items:center;gap:.35rem}.qa-session-menu{position:relative}.qa-session-menu__panel{position:absolute;right:0;top:calc(100% + .35rem);min-width:11.5rem;padding:.35rem;border-radius:12px;background:var(--qa-surface);box-shadow:var(--qa-shadow-md);z-index:30;display:grid;gap:.15rem}.qa-session-menu__panel[hidden]{display:none}.qa-session-menu__item{display:flex;align-items:center;gap:.55rem;width:100%;border:0;background:transparent;text-align:left;padding:.55rem .65rem;border-radius:9px;color:var(--qa-text);font-weight:600;font-size:.86rem}.qa-session-menu__item:hover{background:var(--qa-surface-2)}.qa-session-menu__item.is-danger{color:var(--qa-danger)}.qa-session-menu__ico .qa-ico{width:1rem;height:1rem}.qa-confirm-backdrop{position:fixed;inset:0;z-index:1400;display:grid;place-content:center;padding:1rem;background:#0f172a73;backdrop-filter:blur(4px)}.qa-confirm{width:min(100%,24rem);padding:1.35rem 1.4rem;border-radius:18px;background:var(--qa-surface);box-shadow:var(--qa-shadow-md);animation:qa-fade .2s ease}.qa-confirm__title{margin:0;font-size:1.1rem;letter-spacing:-.02em}.qa-confirm__body{margin:.55rem 0 1.15rem;color:var(--qa-muted);font-size:.92rem;line-height:1.5}.qa-confirm__actions{display:flex;justify-content:flex-end;gap:.5rem}.qa-btn--confirm-warn{background:#d97706!important;color:#fff!important}.qa-btn--confirm-danger{background:#dc2626!important;color:#fff!important}.qa-mascot-chip{display:inline-grid;place-content:center;width:2.4rem;height:2.4rem;border-radius:50%;background:color-mix(in srgb,var(--qa-primary) 10%,var(--qa-surface));overflow:hidden}.qa-mascot-chip__img{width:22px;height:22px;object-fit:contain}.qa-mascot-chip__fallback{font-size:1rem;line-height:1}.qa-empty-lite{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.45rem;padding:2.25rem 1.25rem;border-radius:18px;background:color-mix(in srgb,var(--qa-surface) 80%,transparent)}.qa-empty-lite strong{font-size:1.05rem}.qa-empty-lite p{margin:0;color:var(--qa-muted);font-size:.9rem;max-width:22rem}.qa-assign-page{max-width:640px;padding-top:.5rem}.qa-assign-compose{padding:1.75rem 1.75rem 2rem;border-radius:20px;background:var(--qa-surface);box-shadow:var(--qa-shadow-sm)}.qa-assign-compose h2{margin:.25rem 0 0;font-size:1.55rem;letter-spacing:-.02em}.qa-assign-compose .qa-btn{margin-top:1.25rem}.qa-assign-types{list-style:none;margin:1.75rem 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:.85rem}.qa-assign-types li{display:flex;gap:.75rem;align-items:center;padding:.85rem 1rem;border-radius:14px;background:var(--qa-surface-2)}.qa-assign-types strong{display:block;margin-bottom:.15rem}.qa-assign-types .qa-muted{font-size:.82rem}.qa-filter-tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}.qa-filter-tab{appearance:none;border:0;background:var(--qa-surface);color:var(--qa-muted);border-radius:999px;padding:.4rem .85rem;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer;box-shadow:var(--qa-shadow-sm);transition:color .15s ease,background .15s ease,transform .15s ease}.qa-filter-tab:hover{color:var(--qa-text)}.qa-filter-tab.is-active{color:var(--qa-text);background:color-mix(in srgb,var(--qa-primary) 12%,var(--qa-surface))}.qa-btn--sm{padding:.35rem .7rem;font-size:.82rem}.qa-collection-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1rem}.qa-collection-tools{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.qa-finder{display:grid;grid-template-columns:repeat(auto-fill,minmax(9.5rem,1fr));gap:.85rem}.qa-finder-tile{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:.65rem;min-height:8.5rem;padding:1rem;border:0;border-radius:16px;background:var(--qa-surface);box-shadow:var(--qa-shadow-sm);text-align:left;transition:transform .18s ease,box-shadow .18s ease}.qa-finder-tile:hover{transform:translateY(-3px);box-shadow:var(--qa-shadow-md)}.qa-finder-title{font-size:.92rem;font-weight:750;letter-spacing:-.01em}.qa-finder-kind{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted)}.qa-finder-star{position:absolute;top:.65rem;right:.65rem}.qa-finder-star .qa-ico{width:.85rem;height:.85rem}.qa-finder--list{display:flex;flex-direction:column;gap:.65rem}.qa-finder--list .qa-finder-tile{display:flex;flex-direction:row;align-items:center;gap:1rem;min-height:0;padding:.85rem 1rem}.qa-nav-icon .qa-ico{color:var(--qa-muted);transition:color .2s ease,transform .2s ease}.qa-nav-item:hover .qa-nav-icon .qa-ico,.qa-nav-item[aria-current=page] .qa-nav-icon .qa-ico{color:var(--qa-primary)}.qa-journey-map--lite{min-height:140px!important;max-height:180px;border-radius:14px;overflow:hidden;margin-top:.35rem}.qa-overview-block--hero .qa-journey-map--lite{min-height:20rem!important;max-height:none;height:clamp(20rem,48dvh,32rem)}@media(max-width:900px){.qa-overview-split{grid-template-columns:1fr}.qa-quick-actions__grid{grid-template-columns:1fr 1fr}.qa-session-card--current{grid-template-columns:1fr;grid-template-areas:"hero" "status" "actions"}.qa-ov-session__actions{margin-left:0;width:100%}.qa-overview-block--hero .qa-journey-map.qz-pmap-mount,.qa-overview-block--hero .qa-journey-map--lite{min-height:16rem!important;height:clamp(16rem,42dvh,24rem)}}@media(max-width:860px){.qa-assign-types{grid-template-columns:1fr}.qa-hybrid-row{grid-template-columns:auto minmax(0,1fr);grid-template-areas:"stripe thumb" "stripe main" "stripe actions"}.qa-hybrid-row__stripe{grid-area:stripe}.qa-hybrid-row .qa-res-thumb{grid-area:thumb}.qa-hybrid-row__main{grid-area:main}.qa-hybrid-row__actions{grid-area:actions;justify-content:flex-start}}.qa-shell{grid-template-columns:var(--qa-sidebar) minmax(0,1fr)}.qa-content{display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.qa-topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.65rem 1.25rem;border-bottom:1px solid var(--qa-line);background:color-mix(in srgb,var(--qa-surface) 92%,transparent);backdrop-filter:blur(10px);flex-shrink:0;z-index:10}.qa-topbar-left,.qa-topbar-right{display:flex;align-items:center;gap:.5rem}.qa-topbar-title{margin:0;font-size:1.05rem;font-weight:700;letter-spacing:-.02em}.qa-icon-btn{width:34px;height:34px;display:grid;place-content:center;border:0;border-radius:8px;background:transparent;color:var(--qa-muted)}.qa-icon-btn:hover,.qa-icon-btn.is-active{background:var(--qa-surface-2);color:var(--qa-text)}.qa-icon-btn.is-starred{color:var(--qa-warning)}.qa-icon-btn--tiny{width:28px;height:28px}.qa-workspace-switch{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:8px;padding:.35rem .65rem;font-size:.82rem;font-weight:600;color:var(--qa-muted)}.qa-top-avatar{border:0;background:transparent;padding:0}.qa-avatar--sm{width:28px;height:28px;font-size:.75rem}.qa-sidebar-brand{display:flex;gap:var(--qa-space-2);align-items:center;padding:var(--qa-space-2) var(--qa-space-3) var(--qa-space-4)}.qa-sidebar-mark{display:none}.qa-nav-divider{height:1px;margin:var(--qa-space-4) var(--qa-space-2);background:var(--qa-line)}.qa-nav-item{border-radius:12px;transition:background .12s ease,color .12s ease,box-shadow .12s ease}.qa-nav-icon{background:transparent!important;border-radius:8px}.qa-nav-item[aria-current=page]{background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface));box-shadow:inset 2px 0 0 var(--qa-primary)}.qa-avatar{background:var(--qa-primary)!important}.qa-page{flex:1;min-height:0;overflow:auto}.qa-workspace-head--lite{padding-bottom:.35rem;border:0}.qa-workspace-head--lite h1{display:none}.qa-metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin:.5rem 0 1.25rem}.qa-metric{padding:1rem 1.1rem;border:1px solid var(--qa-line);border-radius:var(--qa-radius, 10px);background:var(--qa-surface);display:grid;gap:.25rem}.qa-metric-label{font-size:.75rem;font-weight:650;color:var(--qa-muted);text-transform:uppercase;letter-spacing:.04em}.qa-metric-value{font-size:1.35rem;letter-spacing:-.03em}.qa-split{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.qa-panel-lite{border:1px solid var(--qa-line);border-radius:var(--qa-radius, 10px);background:var(--qa-surface);padding:1rem 1.1rem}.qa-panel-lite-head{margin-bottom:.65rem}.qa-panel-lite-head h3{margin:0;font-size:.95rem}.qa-soft-stack{display:grid;gap:.35rem}.qa-soft-row--btn{width:100%;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;gap:.75rem;text-align:left;padding:.65rem .35rem;border-radius:8px;color:inherit}.qa-soft-row--btn:hover{background:var(--qa-surface-2)}.qa-page-intro{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;margin-bottom:.5rem}.qa-page-intro h2{margin:.15rem 0;font-size:1.45rem;letter-spacing:-.03em}.qa-empty-hint{padding:1.5rem .25rem}.qa-table-wrap{border:1px solid var(--qa-line);border-radius:var(--qa-radius, 10px);overflow:auto;background:var(--qa-surface)}.qa-table--rich{width:100%;border-collapse:collapse;font-size:.9rem}.qa-table--rich th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--qa-muted);font-weight:700;padding:.75rem .85rem;border-bottom:1px solid var(--qa-line);background:var(--qa-surface-2);white-space:nowrap}.qa-table--rich td{padding:.8rem .85rem;border-bottom:1px solid var(--qa-line);vertical-align:middle}.qa-table--rich tr:last-child td{border-bottom:0}.qa-tr:hover td{background:color-mix(in srgb,var(--qa-primary) 4%,transparent)}.qa-tr--click{cursor:pointer}.qa-cell-title{display:flex;gap:.65rem;align-items:center}.qa-cell-title strong{display:block}.qa-type-ico{color:var(--qa-muted);display:grid;place-content:center}.qa-table-empty{text-align:center;color:var(--qa-muted);padding:2rem!important}.qa-th-check{width:2rem}.qa-bulk-bar{display:flex;align-items:center;gap:.65rem;padding:.55rem .75rem;margin-bottom:.75rem;border:1px solid var(--qa-line);border-radius:8px;background:var(--qa-surface-2);font-size:.88rem;font-weight:600}.qa-assign-empty{border:1px dashed var(--qa-line);border-radius:12px;padding:2rem 1.5rem;text-align:center}.qa-assign-empty h3{margin:0 0 .35rem}.qa-type-teasers{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:1.25rem}.qa-type-teaser{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:8px;padding:.45rem .75rem;font-weight:600;font-size:.85rem}.qa-type-teaser:hover{border-color:var(--qa-primary);color:var(--qa-primary)}.qa-timeline{display:grid;gap:1.25rem}.qa-timeline-day{margin:0 0 .5rem;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--qa-muted);font-weight:750}.qa-timeline-item{position:relative;display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;width:100%;border:0;background:transparent;text-align:left;padding:.65rem .45rem;color:inherit;border-radius:12px;transition:background .15s ease,transform .15s ease}.qa-timeline-item:hover{background:var(--qa-surface-2);transform:translateY(-1px)}.qa-timeline-dot{width:10px;height:10px;margin-top:.35rem;border-radius:50%;background:var(--qa-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--qa-primary) 18%,transparent)}.qa-timeline-body{display:grid;gap:.25rem;min-width:0}.qa-timeline-body strong{font-size:.92rem;font-weight:650}.qa-library-page .qa-filter-tabs{margin:0 0 .65rem}.qa-library-head{align-items:center;margin-bottom:.5rem}.qa-library-head__title h2{font-size:1.15rem;font-weight:650}.qa-lib-layout{display:grid;grid-template-columns:148px minmax(0,1fr);gap:.75rem}.qa-lib-folders{display:grid;gap:.1rem;align-content:start}.qa-lib-folder{display:flex;align-items:center;gap:.4rem;border:0;background:transparent;text-align:left;padding:.35rem .45rem;border-radius:6px;color:var(--qa-muted);font-size:.84rem;font-weight:550}.qa-lib-folder.is-active,.qa-lib-folder:hover{background:var(--qa-surface-2);color:var(--qa-text)}.qa-lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:.5rem}.qa-lib-grid--list{grid-template-columns:1fr}.qa-lib-tile{display:flex;flex-direction:column;gap:.45rem;padding:.65rem .7rem;border:1px solid var(--qa-line);border-radius:8px;background:var(--qa-surface)}.qa-lib-tile--list{flex-direction:row;align-items:center;gap:.65rem}.qa-lib-tile__main{display:flex;align-items:flex-start;gap:.55rem;min-width:0;flex:1}.qa-lib-tile--list .qa-lib-tile__main{align-items:center}.qa-lib-ico{color:var(--qa-muted)}.qa-lib-copy{flex:1;min-width:0;display:grid;gap:.25rem}.qa-lib-copy strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.86rem;font-weight:600;line-height:1.3}.qa-lib-actions{display:flex;gap:.25rem;align-items:center;justify-content:space-between}.qa-lib-tile--list .qa-lib-actions{margin-left:auto}.qa-view-toggle{display:inline-flex;gap:.15rem}.qa-class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:.85rem}.qa-class-card{border:1px solid var(--qa-line);border-radius:var(--qa-radius, 10px);background:var(--qa-surface);padding:1.1rem;display:grid;gap:.45rem}.qa-class-card h3{margin:0;font-size:1rem}.qa-bar-list{display:grid;gap:.75rem}.qa-bar-label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:.25rem}.qa-bar-track{height:8px;border-radius:999px;background:var(--qa-surface-2);overflow:hidden}.qa-bar-fill{height:100%;border-radius:999px;background:var(--qa-primary);transition:width .35s ease}.qa-bar-fill--live{background:#16a34a}.qa-bar-fill--done{background:#64748b}.qa-sparkline{display:block;color:var(--qa-primary);width:100%;max-width:160px;height:36px}.qa-sparkline--empty{color:var(--qa-muted);font-size:.85rem}.qa-metric-spark{margin-top:.15rem;color:var(--qa-primary)}.qa-dist-chart{display:flex;align-items:flex-end;gap:.55rem;min-height:7.5rem;padding:.35rem 0 0;margin-top:.35rem}.qa-dist-col{flex:1;min-width:0;display:grid;justify-items:center;gap:.2rem}.qa-dist-col__bar-wrap{width:100%;height:5.5rem;display:flex;align-items:flex-end;justify-content:center}.qa-dist-col__bar{width:70%;max-width:2rem;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,var(--qa-primary),color-mix(in srgb,var(--qa-primary) 55%,#28c2d1));min-height:4px}.qa-dist-col__val{font-size:.75rem;font-weight:750}.qa-dist-col__label{font-size:.68rem;color:var(--qa-muted);text-transform:capitalize;overflow:hidden;text-overflow:ellipsis;max-width:100%}.qa-analytics .qa-panel-lite-head h3{margin:0}.qa-analytics .qa-muted{margin:.2rem 0 0}.qa-working-pulse__dot{animation:none;box-shadow:none}.qa-settings-block{display:grid;gap:.85rem;max-width:52rem}.qa-settings-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--qa-line)}.qa-device-list{display:grid;gap:.65rem}.qa-device-card{display:grid;grid-template-columns:36px 1fr auto;gap:.75rem;align-items:center;border:1px solid var(--qa-line);border-radius:10px;padding:.85rem 1rem;background:var(--qa-surface)}.qa-device-copy{display:grid;gap:.15rem;min-width:0}.qa-device-ico{color:var(--qa-muted)}.qa-fp-preview{font-size:.72rem;padding:.85rem;border-radius:8px;background:var(--qa-surface-2);overflow:auto;color:var(--qa-muted)}.qa-audit-list,.qa-version-list{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}.qa-audit-item,.qa-version-item{display:grid;grid-template-columns:7.5rem 1fr;gap:.65rem;padding:.65rem .75rem;border:1px solid var(--qa-line);border-radius:8px;background:var(--qa-surface);font-size:.88rem}.qa-version-item{grid-template-columns:1fr auto;align-items:center}.qa-filter-tab{border-radius:8px!important;box-shadow:none!important;border:1px solid var(--qa-line)}.qa-filter-tab.is-active{border-color:color-mix(in srgb,var(--qa-primary) 35%,var(--qa-line))}@media(max-width:960px){.qa-metric-row,.qa-split,.qa-lib-layout{grid-template-columns:1fr}}@media(max-width:860px){.qa-shell{grid-template-columns:1fr}.qa-sidebar{position:fixed;inset:var(--qmf-header-h, 0) auto 0 0;transform:translate(-105%);transition:transform .2s ease}.qa-sidebar.open{transform:translate(0)}#qa-menu-toggle{display:grid}}@media(min-width:861px){#qa-menu-toggle{display:none}}:root,html[data-theme=light]{--qa-fs-h1: 22px;--qa-fs-h2: 17px;--qa-fs-section: 15px;--qa-fs-body: 13px;--qa-fs-caption: 12px;--qa-sidebar: 244px;--qa-topbar-h: 48px;--qa-row-h: 56px;--qa-kind-quiz: #7c3aed;--qa-kind-homework: #2563eb;--qa-kind-slides: #ea580c;--qa-kind-reading: #059669;--qa-kind-course: #e11d48;--qa-kind-bank: #4f46e5;--qa-kind-template: #28C2D1}html{font-size:13px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--qa-font);font-size:var(--qa-fs-body);font-weight:400;line-height:1.4;letter-spacing:-.01em}.qa-page h1,.qa-topbar-title{font-family:var(--qa-font-display);font-size:var(--qa-fs-h1)!important;font-weight:600;letter-spacing:-.02em;line-height:1.2}.qa-topbar-title{font-size:15px!important;font-weight:600}.qa-page h2,.qa-section-head h2,.qa-page-intro h2{font-family:var(--qa-font-display);font-size:var(--qa-fs-h2)!important;font-weight:600;letter-spacing:-.015em;line-height:1.25;margin:0}.qa-page h3,.qa-panel-lite-head h3{font-size:var(--qa-fs-section)!important;font-weight:600;margin:0}.qa-muted,.qa-lede,.qa-kicker{font-size:var(--qa-fs-caption)!important}.qa-kicker{text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--qa-muted);margin:0 0 .2rem}.qa-sidebar{width:var(--qa-sidebar);padding:var(--qa-space-4) var(--qa-space-3);gap:var(--qa-space-4)}.qa-sidebar--nav .qa-sidebar-foot,.qa-sidebar--nav .qa-user-card{display:none!important}.qa-sidebar-brand{padding:var(--qa-space-2) var(--qa-space-3) var(--qa-space-3);gap:var(--qa-space-2)}.qa-sidebar-mark{display:none!important}.qa-sidebar-brand-label{font-size:.92rem;font-weight:700;letter-spacing:-.02em;color:var(--qa-text)}.qa-sidebar-product,.qa-sidebar-sub,.qa-sidebar-brand-text{display:none}.qa-nav{gap:var(--qa-space-1)}.qa-nav-item{grid-template-columns:28px 1fr;gap:var(--qa-space-3);min-height:46px;padding:var(--qa-space-2) var(--qa-space-3);border-radius:12px}.qa-nav-icon{width:28px;height:28px;background:transparent!important}.qa-nav-icon .qa-ico{width:1.25rem;height:1.25rem}.qa-nav-label{font-size:.9375rem;font-weight:550}.qa-nav-divider{margin:var(--qa-space-4) var(--qa-space-2)}.qa-topbar,.qa-topbar--compact{min-height:var(--qa-topbar-h);height:var(--qa-topbar-h);padding:0 .85rem}.qa-icon-btn{width:30px;height:30px;border-radius:7px}.qa-workspace-switch{padding:.25rem .5rem;font-size:.75rem;border-radius:7px}.qa-avatar--sm{width:26px;height:26px;font-size:.7rem}.qa-workspace{padding:var(--qa-gutter-y) var(--qa-gutter-x) 1.5rem;gap:var(--qa-chrome-gap)}.qa-workspace-head,.qa-workspace-head--lite{padding:0 0 .5rem;margin-bottom:.35rem}.qa-section-head,.qa-section-head--compact{margin-bottom:.65rem;gap:.65rem}.qa-section-head h2{margin:0}.qa-page-intro{margin-bottom:.75rem;gap:.75rem}.qa-metric-row{gap:.55rem;margin:.35rem 0 .9rem}.qa-metric{padding:.7rem .85rem;border-radius:10px;gap:.1rem}.qa-metric-label{font-size:.68rem!important}.qa-metric-value{font-size:1.15rem!important}.qa-metric--blue{border-color:color-mix(in srgb,#2563eb 28%,var(--qa-line))}.qa-metric--orange{border-color:color-mix(in srgb,#ea580c 28%,var(--qa-line))}.qa-metric--violet{border-color:color-mix(in srgb,#7c3aed 28%,var(--qa-line))}.qa-metric--teal{border-color:color-mix(in srgb,#0d9488 28%,var(--qa-line))}.qa-res-thumb{display:inline-grid;place-content:center;background:var(--qa-res-grad, var(--qa-primary));color:#fff;box-shadow:inset 0 0 0 1px #ffffff2e;position:relative;overflow:hidden;flex-shrink:0}.qa-res-thumb:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.35),transparent 55%);pointer-events:none}.qa-res-thumb__ico{position:relative;z-index:1;color:#fff}.qa-res-thumb__ico .qa-ico{color:#fff;stroke:#fff}.qa-type-badge{display:inline-flex;align-items:center;font-size:.68rem;font-weight:700;letter-spacing:.02em;padding:.12rem .45rem;border-radius:999px;color:var(--qa-res-accent, var(--qa-primary));background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 14%,transparent)}.qa-class-badge{display:inline-flex;align-items:center;font-size:.68rem;font-weight:650;padding:.12rem .45rem;border-radius:999px;color:var(--qa-class-accent, var(--qa-muted));background:var(--qa-class-soft, var(--qa-surface-2));max-width:9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-table--workspace th{font-size:.65rem!important;padding:.45rem .65rem!important}.qa-table--workspace td{padding:.45rem .65rem!important;font-size:var(--qa-fs-body);height:var(--qa-row-h)}.qa-tr--kind{position:relative;transition:background .15s ease,transform .15s ease,box-shadow .15s ease}.qa-tr--kind>td:first-child{box-shadow:inset 3px 0 0 var(--qa-res-accent, transparent)}.qa-tr--kind:hover{background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 6%,transparent)}.qa-table-wrap--alive{border-radius:12px;overflow:hidden}.qa-cell-assign{display:flex;align-items:center;gap:.65rem;min-width:0}.qa-cell-assign__copy{min-width:0;display:grid;gap:.2rem}.qa-cell-assign__title{font-size:.88rem;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:18rem}.qa-cell-assign__meta{display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}.qa-td-progress{min-width:7.5rem}.qa-progress--compact{margin:0;max-width:8rem}.qa-progress--compact .qa-progress__meta{font-size:.65rem}.qa-progress__track{height:5px;border-radius:999px}.qa-progress__fill{background:linear-gradient(90deg,var(--qa-res-accent, var(--qa-primary)),color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 60%,#fff));border-radius:999px;transition:width .4s ease}.qa-avatar-stack{display:inline-flex;align-items:center}.qa-avatar-stack__item{width:22px;height:22px;border-radius:50%;display:grid;place-content:center;font-size:.62rem;font-weight:750;color:#fff;background:var(--qa-class-accent, var(--qa-primary));border:1.5px solid var(--qa-surface);margin-left:-6px}.qa-avatar-stack__item:first-child{margin-left:0}.qa-avatar-stack__more{margin-left:.25rem;font-size:.68rem;font-weight:700;color:var(--qa-muted)}.qa-score-chip{display:inline-flex;align-items:center;font-size:.72rem;font-weight:750;padding:.15rem .45rem;border-radius:999px}.qa-score-chip--great{color:#15803d;background:color-mix(in srgb,#22c55e 18%,white)}.qa-score-chip--ok{color:#a16207;background:color-mix(in srgb,#facc15 22%,white)}.qa-score-chip--low{color:#b91c1c;background:color-mix(in srgb,#ef4444 16%,white)}.qa-score-chip--empty{color:var(--qa-muted);background:var(--qa-surface-2)}.qa-due-badge{display:inline-flex;font-size:.7rem;font-weight:650;padding:.15rem .45rem;border-radius:7px;white-space:nowrap}.qa-due-badge--soon{color:#c2410c;background:color-mix(in srgb,#fb923c 22%,white)}.qa-due-badge--late{color:#b91c1c;background:color-mix(in srgb,#ef4444 16%,white)}.qa-due-badge--ok{color:#1d4ed8;background:color-mix(in srgb,#3b82f6 14%,white)}.qa-due-badge--none{color:var(--qa-muted)}.qa-working-pulse{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:650}.qa-working-pulse__dot{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 color-mix(in srgb,#22c55e 55%,transparent);animation:qa-pulse-dot 1.6s ease-out infinite}@keyframes qa-pulse-dot{0%{box-shadow:0 0 color-mix(in srgb,#22c55e 55%,transparent)}70%{box-shadow:0 0 0 8px transparent}to{box-shadow:0 0 0 0 transparent}}.qa-badge--pulse{box-shadow:inset 0 0 0 1px color-mix(in srgb,#22c55e 40%,transparent)}.qa-filter-tab{font-size:.78rem!important;padding:.3rem .65rem!important;border-radius:8px!important}.qa-filter-tab.is-active{color:var(--qa-res-accent, var(--qa-primary));border-color:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 40%,var(--qa-line));background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 10%,var(--qa-surface))}.qa-soft-card{display:flex;gap:.65rem;align-items:flex-start;width:100%;border:1px solid var(--qa-line);background:var(--qa-surface);text-align:left;color:inherit;padding:.55rem .65rem;border-radius:10px;border-left:3px solid var(--qa-res-accent, var(--qa-line));transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.qa-soft-card:hover{transform:translateY(-1px);box-shadow:var(--qa-shadow-sm)}.qa-soft-card__body{flex:1;min-width:0;display:grid;gap:.25rem}.qa-soft-card__body strong{font-size:.86rem;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-soft-card__meta{display:flex;flex-wrap:wrap;gap:.3rem}.qa-type-teaser{border-color:color-mix(in srgb,var(--qa-res-accent, var(--qa-line)) 35%,var(--qa-line))!important}.qa-type-teaser:hover{background:color-mix(in srgb,var(--qa-res-accent, var(--qa-primary)) 10%,var(--qa-surface));transform:translateY(-1px)}.qa-lib-tile:hover{background:var(--qa-surface-2)}.qa-empty-playful{display:grid;justify-items:center;gap:.45rem;text-align:center;padding:1.5rem 1rem}.qa-empty-playful--mini{padding:1rem .5rem}.qa-empty-playful strong{font-size:.95rem}.qa-empty-playful p{margin:0;max-width:22rem}.qa-shimmer-block{display:grid;gap:.45rem;padding:.5rem}.qa-shimmer{height:10px;border-radius:6px;background:linear-gradient(90deg,var(--qa-surface-2),color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface-2)),var(--qa-surface-2));background-size:200% 100%;animation:qa-shimmer 1.2s ease-in-out infinite}.qa-shimmer--short{width:55%}@keyframes qa-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.qa-btn--tiny{padding:.25rem .55rem;font-size:.75rem}.qa-btn{font-size:.84rem}html[data-theme=dark] .qa-class-badge{background:color-mix(in srgb,var(--qa-class-accent) 22%,#1e293b);color:color-mix(in srgb,var(--qa-class-accent) 70%,white)}html[data-theme=dark] .qa-score-chip--great{background:color-mix(in srgb,#22c55e 22%,#1e293b);color:#86efac}html[data-theme=dark] .qa-score-chip--ok{background:color-mix(in srgb,#facc15 22%,#1e293b);color:#fde68a}html[data-theme=dark] .qa-score-chip--low{background:color-mix(in srgb,#ef4444 22%,#1e293b);color:#fca5a5}@media(prefers-reduced-motion:reduce){.qa-working-pulse__dot,.qa-badge--pulse,.qa-shimmer,.qa-soft-card,.qa-lib-tile,.qa-tr--kind{animation:none!important;transition:none!important}}.qa-class-card{border-left-width:3px}.qa-class-card__head{display:flex;gap:.65rem;align-items:center}.qa-class-avatar{width:36px;height:36px;border-radius:10px;display:grid;place-content:center;font-weight:800;font-size:.85rem;flex-shrink:0}.qa-sidebar-brand{display:flex;align-items:center;gap:var(--qa-space-2)}.qa-sidebar-brand-text,.qa-sidebar-sub{display:none}.qa-today-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin:0 0 1.25rem}.qa-today-card{border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:var(--qa-radius);padding:.9rem 1rem;display:grid;gap:.2rem}.qa-today-card__label{margin:0;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted)}.qa-today-card__value{font-size:1.55rem;font-weight:700;letter-spacing:-.03em;color:var(--qa-text)}.qa-today-card--primary .qa-today-card__value{color:var(--qa-primary)}.qa-today-card--warn .qa-today-card__value{color:var(--qa-warning)}.qa-today-card--success .qa-today-card__value{color:var(--qa-success)}.qa-today-card--info .qa-today-card__value{color:var(--qa-cyan)}.qa-deadline-list,.qa-recent-list{display:grid;gap:.4rem}.qa-deadline-row{display:flex;gap:.65rem;align-items:center;width:100%;border:1px solid var(--qa-line);background:var(--qa-surface);border-radius:var(--qa-radius-sm);padding:.55rem .7rem;text-align:left;color:inherit}.qa-deadline-row:hover{background:var(--qa-surface-2)}.qa-deadline-row__main{flex:1;min-width:0;display:grid;gap:.2rem}.qa-deadline-row__meta{display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}.qa-toolbar{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between;margin-bottom:.85rem}.qa-search--inline{min-width:12rem;max-width:18rem;flex:1;padding:.5rem .75rem;border:1px solid var(--qa-line);border-radius:var(--qa-radius-sm);background:var(--qa-surface)}.qa-table-wrap{border:1px solid var(--qa-line);border-radius:var(--qa-radius);background:var(--qa-surface);overflow:auto}.qa-table-wrap--virtual{max-height:min(70vh,720px)}.qa-data-table{width:100%;border-collapse:collapse;font-size:.86rem}.qa-data-table th{text-align:left;font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted);padding:.65rem .75rem;border-bottom:1px solid var(--qa-line);background:var(--qa-surface-2);position:sticky;top:0;z-index:1}.qa-data-table td{padding:.65rem .75rem;border-bottom:1px solid var(--qa-line);vertical-align:middle}.qa-table-row{cursor:pointer}.qa-table-row:hover{background:color-mix(in srgb,var(--qa-primary) 4%,var(--qa-surface))}.qa-table-row.is-selected{background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface))}.qa-table-cell--check{width:2.2rem}.qa-table-cell--num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.qa-table-cell--actions{white-space:nowrap}.qa-table-cell--actions{display:flex;gap:.35rem;align-items:center;justify-content:flex-end}.qa-table-title{display:grid;gap:.25rem;min-width:0}.qa-table-title__meta{display:flex;flex-wrap:wrap;gap:.3rem}.qa-table-sub{display:block;font-size:.75rem;margin-top:.15rem}.qa-table-check{width:1rem;height:1rem;accent-color:var(--qa-primary)}.qa-tag{display:inline-flex;align-items:center;font-size:.68rem;font-weight:650;padding:.12rem .4rem;border-radius:999px;border:1px solid var(--qa-line);color:var(--qa-muted);background:var(--qa-surface-2)}.qa-lib-copy__meta{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.25rem}.qa-section-skeleton{display:grid;gap:.75rem;padding:1rem 0;min-height:12rem}.qa-section-skeleton .qa-shimmer{height:14px}.qa-empty-playful--compact{padding:1rem}.qa-virt-spacer td{height:0;line-height:0;font-size:0}@media(max-width:960px){.qa-today-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.qa-today-grid{grid-template-columns:1fr}.qa-toolbar{flex-direction:column;align-items:stretch}.qa-search--inline{max-width:none}}.qa-settings-block__head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.35rem}.qa-settings-block__head h3{margin:0}.qa-person-face{--qa-person-size: 40px;position:relative;width:var(--qa-person-size);height:var(--qa-person-size);border-radius:12px;flex-shrink:0;display:grid;place-content:center;background:var(--qa-person-soft, var(--qa-surface-2));box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--qa-person-accent, var(--qa-primary)) 55%,transparent);overflow:hidden}.qa-person-face__letter{font-size:calc(var(--qa-person-size) * .36);font-weight:750;color:var(--qa-person-accent, var(--qa-primary));line-height:1}.qa-person-face__img,.qa-person-face__mascot{position:absolute;inset:2px;width:calc(100% - 4px);height:calc(100% - 4px);object-fit:contain;display:grid;place-content:center}.qa-person-face__mascot .qz-mascot{--qz-mascot-size: calc(var(--qa-person-size) - 8px) !important;width:var(--qz-mascot-size);height:var(--qz-mascot-size)}.qa-person-id{display:flex;align-items:center;gap:.7rem;min-width:0;text-align:left}.qa-person-id__copy{display:grid;gap:.1rem;min-width:0}.qa-person-id__name{font-size:.92rem;font-weight:650;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--qa-text)}.qa-person-id__sub{font-size:.75rem;color:var(--qa-muted);font-weight:550}.qa-attempt{border-left:3px solid var(--qa-person-accent, var(--qa-line));background:linear-gradient(90deg,color-mix(in srgb,var(--qa-person-soft, transparent) 70%,transparent),transparent 42%),var(--qa-surface)}.qa-attempt-head{gap:.85rem}.qa-attempt-head .qa-people__status.is-active{color:var(--qa-person-accent, var(--qa-cyan));font-weight:650}.qa-topbar--slim{min-height:44px;height:44px;padding:0 .85rem 0 .55rem;border-bottom:1px solid var(--qa-line);background:color-mix(in srgb,var(--qa-surface) 88%,transparent);backdrop-filter:blur(10px)}.qa-topbar--slim .qa-topbar-title{font-size:.98rem!important;font-weight:650;letter-spacing:-.02em;margin:0}.qa-editor-back--topbar{margin:0;padding:.15rem .25rem;font-size:.95rem;font-weight:650;letter-spacing:-.02em;color:var(--qa-text)}.qa-editor-back--topbar:hover{color:var(--qa-primary)}.qa-top-user{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--qa-line);background:var(--qa-person-soft, var(--qa-surface));color:inherit;border-radius:999px;padding:.15rem .55rem .15rem .15rem;max-width:11rem;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--qa-person-accent, transparent) 18%,transparent)}.qa-top-user:hover{border-color:color-mix(in srgb,var(--qa-person-accent, var(--qa-primary)) 35%,var(--qa-line))}.qa-top-user .qa-avatar{background:var(--qa-person-accent, var(--qa-primary));color:#fff;width:26px;height:26px;border-radius:50%;display:grid;place-content:center;font-weight:700;font-size:.7rem}.qa-top-user__name{font-size:.78rem;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:7.5rem}body.has-qmf-header .qa-topbar--slim{min-height:42px;height:42px}@media(max-width:640px){.qa-top-user__name{display:none}.qa-top-user{padding:.12rem}}.qa-timeline-item--grouped{align-items:flex-start;gap:.85rem;padding:.75rem .55rem}.qa-activity-faces{display:flex;align-items:center;flex-shrink:0;padding-left:.15rem}.qa-activity-faces .qa-person-face,.qa-activity-face{margin-left:-.35rem;box-shadow:0 0 0 2px var(--qa-surface)}.qa-activity-faces .qa-person-face:first-child,.qa-activity-face:first-child{margin-left:0}.qa-activity-headline{font-size:.9rem;font-weight:650;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.qa-activity-chips{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.2rem}.qa-activity-chip{font-size:.68rem;font-weight:650;padding:.12rem .45rem;border-radius:999px;border:1px solid var(--qa-line);background:var(--qa-surface-2);color:var(--qa-muted)}.qa-activity-page{max-width:none;width:100%}.qa-afeed-head{margin:0 0 .65rem}.qa-afeed-heading{margin:0;font-size:1.15rem;font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--qa-text)}.qa-afeed-toolbar{display:flex;flex-wrap:nowrap;align-items:center;gap:.4rem;margin:0 0 .85rem;padding-bottom:.65rem;border-bottom:1px solid var(--qa-line);overflow-x:auto;-webkit-overflow-scrolling:touch}.qa-afeed-search{display:inline-flex;align-items:center;gap:.35rem;flex:1 1 10rem;min-width:8rem;max-width:16rem;padding:.28rem .55rem;border-radius:8px;background:var(--qa-surface-2);border:1px solid transparent}.qa-afeed-search:focus-within{background:var(--qa-surface);border-color:color-mix(in srgb,var(--qa-primary) 35%,var(--qa-line))}.qa-afeed-search__ico{display:grid;place-content:center;color:var(--qa-muted)}.qa-afeed-search__ico .qa-ico{width:13px;height:13px}.qa-afeed-search__input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:.84rem;color:var(--qa-text);outline:none}.qa-afeed-select{appearance:none;border:1px solid var(--qa-line);background:var(--qa-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right .45rem center;padding:.28rem 1.45rem .28rem .55rem;border-radius:8px;font:inherit;font-size:.78rem;font-weight:600;color:var(--qa-text);cursor:pointer;flex-shrink:0}.qa-afeed-select:hover{border-color:color-mix(in srgb,var(--qa-primary) 30%,var(--qa-line))}.qa-afeed-assign{display:inline-flex;align-items:center;gap:.25rem;flex-shrink:0;margin-left:auto;border:0;border-radius:8px;padding:.3rem .65rem;background:var(--qa-primary);color:#fff;font:inherit;font-size:.78rem;font-weight:650;cursor:pointer}.qa-afeed-assign .qa-ico{width:13px;height:13px}.qa-afeed-assign:hover{filter:brightness(1.05)}.qa-afeed{display:grid;gap:.85rem;padding:0 0 1.5rem}.qa-afeed-group{display:grid;gap:.45rem}.qa-afeed-day{font-size:.68rem;font-weight:750;letter-spacing:.07em;text-transform:uppercase;color:var(--qa-muted);padding:.15rem 0 .1rem}.qa-afeed-list{display:grid;gap:.55rem}.qa-afeed-card{display:grid;grid-template-columns:1.5rem minmax(0,1fr);gap:.55rem;cursor:pointer;color:inherit}.qa-afeed-rail{position:relative;display:flex;flex-direction:column;align-items:center;padding-top:.85rem;width:1.5rem}.qa-afeed-rail__dot{width:8px;height:8px;border-radius:50%;background:var(--qa-primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--qa-primary) 18%,transparent);flex-shrink:0;z-index:1}.qa-afeed-rail__line{flex:1;width:1.5px;margin-top:.3rem;min-height:1rem;background:var(--qa-line)}.qa-afeed-list>.qa-afeed-card:last-child .qa-afeed-rail__line{opacity:.25}.qa-afeed-main{min-width:0;display:grid;gap:.35rem;padding:.55rem .7rem;border:1px solid var(--qa-line);border-radius:10px;background:var(--qa-surface);transition:border-color .14s ease-out,box-shadow .14s ease-out}.qa-afeed-card:hover .qa-afeed-main{border-color:color-mix(in srgb,var(--qa-primary) 28%,var(--qa-line));box-shadow:var(--qa-shadow-sm, 0 2px 8px color-mix(in srgb, var(--qa-text) 5%, transparent))}.qa-afeed-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:.4rem;min-width:0}.qa-afeed-kind{display:grid;place-content:center;color:var(--qa-nav-assignments, var(--qa-primary))}.qa-afeed-kind .qa-ico{width:14px;height:14px}.qa-afeed-title{margin:0;font-size:.9rem;font-weight:650;letter-spacing:-.015em;line-height:1.25;color:var(--qa-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-afeed-status{display:inline-flex;align-items:center;gap:.25rem;padding:.08rem .4rem;border-radius:999px;font-size:.65rem;font-weight:700;border:1px solid var(--qa-line);background:var(--qa-surface-2);color:var(--qa-muted);flex-shrink:0;white-space:nowrap}.qa-afeed-status__dot{width:5px;height:5px;border-radius:50%;background:currentColor}.qa-afeed-status--live,.qa-afeed-status--active{color:var(--qa-success, #16a34a);border-color:color-mix(in srgb,var(--qa-success, #16a34a) 28%,var(--qa-line));background:color-mix(in srgb,var(--qa-success, #16a34a) 10%,var(--qa-surface))}.qa-afeed-status--waiting{color:var(--qa-warning, #ca8a04)}.qa-afeed-status--done{color:var(--qa-muted)}.qa-afeed-status--expired,.qa-afeed-status--late{color:var(--qa-danger, #dc2626)}.qa-afeed-status--draft{color:var(--qa-muted)}.qa-afeed-chevron{display:grid;place-content:center;color:var(--qa-muted);opacity:.55}.qa-afeed-chevron .qa-ico{width:12px;height:12px}.qa-afeed-progress{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.45rem;max-width:14rem}.qa-afeed-progress__track{height:4px;border-radius:999px;background:var(--qa-surface-2);overflow:hidden;border:1px solid var(--qa-line)}.qa-afeed-progress__fill{display:block;height:100%;border-radius:inherit;background:var(--qa-primary)}.qa-afeed-progress__pct{font-size:.68rem;font-weight:650;font-variant-numeric:tabular-nums;color:var(--qa-muted)}.qa-afeed-event{display:grid;grid-template-columns:.9rem minmax(0,1fr) auto;gap:.35rem;align-items:center;min-width:0;font-size:.8rem;line-height:1.25}.qa-afeed-event__ico{display:grid;place-content:center;color:var(--qa-muted)}.qa-afeed-event__ico .qa-ico{width:12px;height:12px}.qa-afeed-event--assigned .qa-afeed-event__ico{color:var(--qa-nav-assignments, var(--qa-primary))}.qa-afeed-event--started .qa-afeed-event__ico,.qa-afeed-event--working .qa-afeed-event__ico{color:var(--qa-nav-students, var(--qa-primary))}.qa-afeed-event--submitted .qa-afeed-event__ico,.qa-afeed-event--completed .qa-afeed-event__ico{color:var(--qa-success, #16a34a)}.qa-afeed-event--deadline .qa-afeed-event__ico,.qa-afeed-event--late .qa-afeed-event__ico{color:var(--qa-danger, #dc2626)}.qa-afeed-event__title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--qa-text);font-weight:500}.qa-afeed-event__time{font-size:.68rem;font-variant-numeric:tabular-nums;color:var(--qa-muted);flex-shrink:0}.qa-afeed-more{justify-self:start;margin:0;padding:0;border:0;background:transparent;color:var(--qa-primary);font:inherit;font-size:.72rem;font-weight:650;cursor:pointer;width:fit-content}.qa-afeed-more:hover{text-decoration:underline}.qa-afeed-history{display:grid;gap:.2rem;padding-top:.25rem;border-top:1px solid var(--qa-line)}.qa-afeed-history .qa-afeed-event:hover{background:var(--qa-surface-2);border-radius:6px;padding-left:.2rem;padding-right:.2rem}@media(max-width:720px){.qa-afeed-toolbar{gap:.3rem}.qa-afeed-search{max-width:none;flex:1 1 100%}.qa-afeed-assign span:last-child{display:none}.qa-afeed-title{font-size:.86rem}.qa-afeed-main{padding:.45rem .55rem}}.qa-table-title--with-thumb{display:flex;align-items:flex-start;gap:.65rem;min-width:0}.qa-table-title__text{display:grid;gap:.25rem;min-width:0}.qa-assign-thumb{width:32px;height:32px;border-radius:7px;display:grid;place-content:center;flex-shrink:0;color:#fff}.qa-assign-thumb--sm{width:34px;height:34px;border-radius:9px}.qa-assign-thumb--lg{width:44px;height:44px;border-radius:12px;box-shadow:0 1px color-mix(in srgb,#fff 22%,transparent) inset,0 6px 16px color-mix(in srgb,var(--qa-text) 10%,transparent)}.qa-assign-thumb--lg .qa-assign-thumb__ico .qa-ico,.qa-assign-thumb--lg .qa-assign-thumb__ico svg{width:20px;height:20px}.qa-assign-thumb__ico{display:grid;place-content:center}.qa-assign-thumb__ico .qa-ico,.qa-assign-thumb__ico svg{width:16px;height:16px;stroke:currentColor;fill:none}.qa-students-cell{display:grid;gap:.25rem;justify-items:start;text-align:left}.qa-students-cell--open{justify-items:start}.qa-mascot-stack{display:inline-flex;align-items:center;gap:.35rem;max-width:100%}.qa-mascot-stack .qa-person-face,.qa-mascot-stack__face{margin-left:-.4rem;box-shadow:0 0 0 2px var(--qa-surface);border-radius:9px}.qa-mascot-stack .qa-person-face:first-child,.qa-mascot-stack__face:first-child{margin-left:0}.qa-mascot-stack__count{font-size:.78rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--qa-muted);margin-left:.15rem}.qa-table-cell--students{text-align:left!important;white-space:nowrap}.qa-nav-item[data-nav=overview] .qa-nav-icon{color:var(--qa-nav-overview)}.qa-nav-item[data-nav=assignments] .qa-nav-icon,.qa-nav-item[data-nav=assign] .qa-nav-icon{color:var(--qa-nav-assignments)}.qa-nav-item[data-nav=activity] .qa-nav-icon{color:var(--qa-nav-activity)}.qa-nav-item[data-nav=library] .qa-nav-icon,.qa-nav-item[data-nav=collection] .qa-nav-icon{color:var(--qa-nav-library)}.qa-nav-item[data-nav=students] .qa-nav-icon{color:var(--qa-nav-students)}.qa-nav-item[data-nav=classes] .qa-nav-icon{color:var(--qa-nav-classes)}.qa-nav-item[data-nav=analytics] .qa-nav-icon{color:var(--qa-nav-analytics)}.qa-nav-item[data-nav=settings] .qa-nav-icon{color:var(--qa-nav-settings)}.qa-nav-item .qa-nav-icon .qa-ico{stroke:currentColor}.qa-hw-detail--editor{display:grid;gap:var(--qa-chrome-gap);max-width:none;width:100%;margin:0;padding:0 0 var(--qa-space-6)}.qa-assignments-page,.qa-activity-page,.qa-hw-detail{width:100%;max-width:none;margin:0}.qa-editor-hero{display:grid;gap:var(--qa-space-4);padding:var(--qa-space-2) 0 var(--qa-space-5)}.qa-editor-back{display:inline-flex;align-items:center;gap:.35rem;width:fit-content;border:0;background:transparent;padding:.2rem 0;color:var(--qa-muted);font:inherit;font-size:.84rem;font-weight:550;cursor:pointer;transition:color .16s ease-out}.qa-editor-back:hover{color:var(--qa-text)}.qa-editor-back__ico{display:grid;place-content:center;transform:scaleX(-1)}.qa-editor-back__ico .qa-ico{width:14px;height:14px}.qa-editor-hero__main{display:grid;gap:var(--qa-space-3);max-width:none}.qa-editor-title{margin:0;font-family:var(--qa-font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em;line-height:1.25;color:var(--qa-text)}.qa-editor-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .15rem;color:var(--qa-muted);font-size:.84rem;font-weight:500}.qa-editor-meta__item{display:inline-flex;align-items:center;gap:.3rem;padding:0 .2rem}.qa-editor-meta__sep{color:color-mix(in srgb,var(--qa-muted) 55%,transparent);padding:0 .15rem}.qa-editor-meta__ico .qa-ico{width:13px;height:13px}.qa-status-pill{display:inline-flex;align-items:center;gap:.35rem;padding:.15rem .55rem .15rem .4rem;border-radius:999px;font-size:.75rem;font-weight:650;letter-spacing:.01em;background:var(--qa-surface-2);color:var(--qa-muted);border:1px solid var(--qa-line)}.qa-status-pill__dot{width:7px;height:7px;border-radius:999px;background:currentColor}.qa-status-pill--live,.qa-status-pill--active,.qa-status-pill--pulse{color:var(--qa-success);background:color-mix(in srgb,var(--qa-success) 10%,var(--qa-surface));border-color:color-mix(in srgb,var(--qa-success) 22%,var(--qa-line))}.qa-status-pill--warn{color:var(--qa-warning);background:color-mix(in srgb,var(--qa-warning) 10%,var(--qa-surface));border-color:color-mix(in srgb,var(--qa-warning) 22%,var(--qa-line))}.qa-status-pill--draft{color:var(--qa-muted)}.qa-status-pill--done{color:var(--qa-primary);background:color-mix(in srgb,var(--qa-primary) 8%,var(--qa-surface))}.qa-editor-share{display:grid;grid-template-columns:repeat(auto-fit,minmax(11.5rem,14rem));gap:var(--qa-space-3)}.qa-code-card{display:grid;gap:.35rem;padding:.7rem .8rem;border-radius:var(--qa-radius-sm);background:var(--qa-surface);border:1px solid var(--qa-line);box-shadow:var(--qa-shadow-sm);transition:border-color .16s ease-out,box-shadow .16s ease-out}.qa-code-card:hover{border-color:color-mix(in srgb,var(--qa-primary) 28%,var(--qa-line));box-shadow:var(--qa-shadow-md)}.qa-code-card.is-copied{border-color:color-mix(in srgb,var(--qa-success) 35%,var(--qa-line))}.qa-code-card__label{font-size:.68rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted)}.qa-code-card__value{font-size:.95rem;font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums;color:var(--qa-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-code-card__action{display:inline-flex;align-items:center;gap:.35rem;width:fit-content;margin-top:.15rem;border:0;background:transparent;padding:0;color:var(--qa-primary);font:inherit;font-size:.78rem;font-weight:650;cursor:pointer;transition:opacity .15s ease-out}.qa-code-card__action:hover{opacity:.75}.qa-code-card__ico .qa-ico{width:13px;height:13px}.qa-editor-toolbar{position:sticky;top:calc(var(--qmf-header-h, 58px) + .35rem);z-index:20;display:flex;flex-wrap:nowrap;align-items:center;gap:var(--qa-space-2);padding:.55rem .65rem;border-radius:var(--qa-radius);background:color-mix(in srgb,var(--qa-surface) 92%,transparent);border:1px solid var(--qa-line);box-shadow:var(--qa-shadow-sm);backdrop-filter:blur(10px)}.qa-editor-toolbar__actions{display:flex;flex-wrap:nowrap;align-items:center;gap:.3rem;margin-left:auto;flex-shrink:0}.qa-search-box{display:inline-flex;align-items:center;gap:.45rem;min-width:min(100%,16rem);flex:1 1 12rem;max-width:22rem;padding:.35rem .65rem;border-radius:999px;background:var(--qa-surface-2);border:1px solid transparent;transition:border-color .16s ease-out,background .16s ease-out,box-shadow .16s ease-out}.qa-search-box:focus-within{background:var(--qa-surface);border-color:color-mix(in srgb,var(--qa-primary) 35%,var(--qa-line));box-shadow:0 0 0 3px color-mix(in srgb,var(--qa-primary) 14%,transparent)}.qa-search-box__ico{display:grid;place-content:center;color:var(--qa-muted)}.qa-search-box__ico .qa-ico{width:15px;height:15px}.qa-search-box__input{flex:1;min-width:0;border:0;background:transparent;color:var(--qa-text);font:inherit;font-size:.86rem;outline:none}.qa-search-box__hint{font-size:.68rem;font-weight:650;color:var(--qa-muted);border:1px solid var(--qa-line);border-radius:5px;padding:.05rem .3rem;background:var(--qa-surface)}.qa-tb-btn{display:inline-flex;align-items:center;gap:.35rem;min-height:2rem;padding:.3rem .65rem;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--qa-muted);font:inherit;font-size:.8rem;font-weight:600;cursor:pointer;transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out}.qa-tb-btn:hover{background:var(--qa-surface-2);color:var(--qa-text)}.qa-tb-btn.is-active{background:color-mix(in srgb,var(--qa-primary) 10%,var(--qa-surface));color:var(--qa-primary);border-color:color-mix(in srgb,var(--qa-primary) 22%,var(--qa-line))}.qa-tb-btn--primary{background:var(--qa-primary);color:#fff;border-color:transparent}.qa-tb-btn--primary:hover{background:var(--qa-primary-dark);color:#fff}.qa-tb-btn__ico{display:grid;place-content:center}.qa-tb-btn__ico .qa-ico{width:14px;height:14px}.qa-tb-btn__caret{display:grid;place-content:center;opacity:.65}.qa-tb-btn__caret .qa-ico{width:11px;height:11px}.qa-tb-btn[aria-expanded=true] .qa-tb-btn__caret{transform:rotate(90deg)}.qa-tb-btn{flex-shrink:0;white-space:nowrap}.qa-tb-dropdown,.qa-tb-more{position:relative;flex-shrink:0}.qa-tb-menu{position:absolute;right:0;top:calc(100% + .35rem);min-width:12.5rem;padding:.3rem;border-radius:var(--qa-radius-sm);background:var(--qa-surface);border:1px solid var(--qa-line);box-shadow:var(--qa-shadow-md);z-index:30}.qa-tb-menu.is-floating{position:fixed;z-index:10050}.qa-tb-menu__item{display:flex;align-items:center;gap:.45rem;width:100%;text-align:left;border:0;background:transparent;padding:.45rem .55rem;border-radius:6px;font:inherit;font-size:.82rem;font-weight:550;color:var(--qa-text);cursor:pointer}.qa-tb-menu__item:hover,.qa-tb-menu__item:focus-visible{background:var(--qa-surface-2);outline:none}.qa-tb-menu__item.is-active{color:var(--qa-primary);background:color-mix(in srgb,var(--qa-primary) 8%,transparent)}.qa-tb-menu__ico{display:grid;place-content:center;color:var(--qa-muted);flex-shrink:0}.qa-tb-menu__ico .qa-ico{width:14px;height:14px}.qa-tb-menu__sep{height:1px;margin:.25rem .35rem;background:var(--qa-line)}.qa-link-btn{margin-left:auto;border:0;background:transparent;color:var(--qa-primary);font:inherit;font-size:.8rem;font-weight:650;cursor:pointer;padding:.15rem .25rem}.qa-link-btn:hover{text-decoration:underline}.qa-rank-board{display:grid;gap:.65rem}.qa-rank-summary{display:flex;flex-wrap:wrap;gap:.35rem}.qa-rank-pill{font-size:.72rem;font-weight:650;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--qa-line);background:var(--qa-surface);color:var(--qa-muted)}.qa-rank-pill--excellent{color:#15803d;border-color:color-mix(in srgb,#15803d 30%,var(--qa-line))}.qa-rank-pill--good{color:#047857}.qa-rank-pill--fair{color:#a16207}.qa-rank-pill--avg{color:#b45309}.qa-rank-pill--weak{color:#b91c1c}.qa-rank-table{display:grid;gap:.2rem;border:1px solid var(--qa-line);border-radius:12px;background:var(--qa-surface);padding:.35rem}.qa-rank-row{display:grid;grid-template-columns:2.2rem minmax(0,1fr) 3.5rem 5.5rem;gap:.45rem;align-items:center;width:100%;border:0;background:transparent;text-align:left;font:inherit;color:inherit;padding:.4rem .45rem;border-radius:8px;cursor:pointer}button.qa-rank-row:hover{background:var(--qa-surface-2)}.qa-rank-row--head{font-size:.68rem;font-weight:750;letter-spacing:.04em;text-transform:uppercase;color:var(--qa-muted);cursor:default;padding-bottom:.25rem}.qa-rank-num{font-weight:750;font-variant-numeric:tabular-nums;color:var(--qa-muted)}.qa-rank-who{display:flex;align-items:center;gap:.45rem;min-width:0;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-rank-score{font-variant-numeric:tabular-nums;font-weight:650;text-align:right}.qa-rank-grade{font-size:.75rem;font-weight:700;text-align:right}.qa-rank-grade--excellent{color:#15803d}.qa-rank-grade--good{color:#047857}.qa-rank-grade--fair{color:#a16207}.qa-rank-grade--avg{color:#b45309}.qa-rank-grade--weak{color:#b91c1c}.qa-rank-grade--pending,.qa-rank-grade--muted{color:var(--qa-muted)}.qa-tb-btn--rank .qa-tb-btn__ico{color:#ca8a04}.qa-tb-btn--export .qa-tb-btn__ico{color:var(--qa-nav-analytics, var(--qa-primary))}.qa-student-list{display:grid;gap:var(--qa-space-3)}.qa-student-list__head{display:flex;align-items:baseline;gap:var(--qa-space-2)}.qa-student-list__title{margin:0;font-size:.95rem;font-weight:700;letter-spacing:-.01em}.qa-student-list__count{font-size:.78rem;font-weight:600;color:var(--qa-muted)}.qa-student-list__grid{display:grid;gap:.55rem}.qa-student-card{border-radius:var(--qa-radius);background:var(--qa-surface);border:1px solid var(--qa-line);box-shadow:var(--qa-shadow-sm);overflow:hidden;transition:transform .17s ease-out,box-shadow .17s ease-out,border-color .17s ease-out}.qa-student-card:hover{transform:translateY(-2px);box-shadow:var(--qa-shadow-md);border-color:color-mix(in srgb,var(--qa-person-accent, var(--qa-primary)) 28%,var(--qa-line))}.qa-student-card.is-open{border-color:color-mix(in srgb,var(--qa-person-accent, var(--qa-primary)) 35%,var(--qa-line))}.qa-student-card__head{width:100%;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:.75rem;padding:.75rem .85rem;border:0;background:transparent;cursor:pointer;text-align:left;color:inherit;font:inherit}.qa-student-card__main{min-width:0;display:grid;gap:.35rem}.qa-student-card__name{font-size:.92rem;font-weight:650;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qa-student-card__progress{display:grid;grid-template-columns:1fr auto;align-items:center;gap:.45rem}.qa-student-card__bar{height:6px;border-radius:999px;background:var(--qa-surface-2);overflow:hidden}.qa-student-card__fill{display:block;height:100%;border-radius:inherit;background:var(--qa-person-accent, var(--qa-primary))}.qa-student-card__pct{font-size:.72rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--qa-muted)}.qa-student-card__meta{display:grid;justify-items:end;gap:.2rem}.qa-student-card__score{font-size:.82rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--qa-text)}.qa-student-card__time{font-size:.7rem;color:var(--qa-muted)}.qa-student-card__status{font-size:.68rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;padding:.1rem .4rem;border-radius:999px}.qa-student-card__status.is-done{color:var(--qa-success);background:color-mix(in srgb,var(--qa-success) 12%,var(--qa-surface))}.qa-student-card__status.is-active{color:var(--qa-cyan);background:color-mix(in srgb,var(--qa-cyan) 12%,var(--qa-surface))}.qa-student-card__chev{display:grid;place-content:center;color:var(--qa-muted);transition:transform .16s ease-out}.qa-student-card.is-open .qa-student-card__chev{transform:rotate(90deg)}.qa-student-card__chev .qa-ico{width:14px;height:14px}.qa-student-card__body{padding:0 .85rem .85rem;border-top:1px solid var(--qa-line);background:color-mix(in srgb,var(--qa-surface-2) 55%,var(--qa-surface))}.qa-empty-lite--inset{padding:1.25rem;border-radius:var(--qa-radius);background:var(--qa-surface);border:1px dashed var(--qa-line)}@media(max-width:860px){.qa-editor-toolbar{top:calc(var(--qmf-header-h, 58px) + .15rem)}.qa-tb-btn__label{display:none}.qa-tb-btn--primary .qa-tb-btn__label{display:inline}.qa-student-card__head{grid-template-columns:auto minmax(0,1fr) auto}.qa-student-card__meta{display:none}}@media(max-width:640px){.qa-editor-title{font-size:1.1rem}.qa-editor-share{grid-template-columns:1fr}.qa-editor-toolbar__actions{margin-left:0}.qa-search-box{max-width:12rem}.qa-workspace{padding:.85rem 1rem 1.25rem}}.qa-sidebar-brand,.qa-sidebar-brand-label,.qa-sidebar-mark{display:none!important}.qa-sidebar--nav{padding-top:var(--qa-space-3)}.qa-ws-chrome{position:sticky;top:0;z-index:40;display:grid;gap:.5rem;padding:0 0 var(--qa-space-3);margin:0 0 var(--qa-chrome-gap);background:color-mix(in srgb,var(--qa-bg) 88%,transparent);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;overflow:visible;transition:padding .14s ease-out,gap .14s ease-out,box-shadow .14s ease-out}.qa-ws-chrome.is-compact{padding:0 0 .5rem;gap:.35rem;border-bottom-color:var(--qa-line);box-shadow:none}.qa-ws-chrome.is-compact .qa-editor-title{font-size:1.05rem;line-height:1.25}.qa-ws-chrome.is-compact .qa-assign-thumb--lg{width:32px;height:32px;border-radius:8px}.qa-ws-chrome.is-compact .qa-editor-meta{gap:.25rem}.qa-ws-title-row{display:flex;align-items:center;gap:.65rem;min-width:0;max-width:none}.qa-ws-chrome .qa-editor-title,.qa-ws-title-row .qa-editor-title{margin:0;max-width:none;font-family:var(--qa-font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em;line-height:1.25;color:var(--qa-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.qa-ws-chrome>.qa-editor-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem;max-width:none}.qa-meta-chip{display:inline-flex;align-items:center;gap:.28rem;padding:.12rem .45rem;border-radius:999px;font-size:.72rem;font-weight:600;color:var(--qa-muted);background:var(--qa-surface);border:1px solid var(--qa-line)}.qa-meta-chip__ico{display:grid;place-content:center;color:var(--qa-chip-accent, var(--qa-muted))}.qa-meta-chip__ico .qa-ico{width:11px;height:11px;stroke:currentColor}.qa-meta-chip--questions{--qa-chip-accent: var(--qa-nav-assignments)}.qa-meta-chip--working{--qa-chip-accent: var(--qa-nav-students)}.qa-meta-chip--done{--qa-chip-accent: var(--qa-success)}.qa-meta-chip--class{--qa-chip-accent: var(--qa-nav-classes)}.qa-meta-chip--time{--qa-chip-accent: var(--qa-muted)}.qa-ws-chrome>.qa-editor-toolbar{position:static;top:auto;display:flex;flex-wrap:nowrap;align-items:center;width:100%;max-width:none;min-width:0;margin-top:.1rem;padding:.28rem .35rem;gap:.5rem;border-radius:10px;background:var(--qa-surface);border:1px solid var(--qa-line);box-shadow:none;overflow-x:auto;overflow-y:visible;-webkit-overflow-scrolling:touch}.qa-ws-chrome .qa-search-box{flex:1 1 auto;width:auto;min-width:10rem;max-width:none}.qa-ws-chrome .qa-editor-toolbar__actions{display:flex;flex-wrap:nowrap;align-items:center;gap:.35rem;margin-left:0;flex:0 0 auto;justify-content:flex-end;min-width:0;overflow:visible}.qa-tb-btn--analytics .qa-tb-btn__ico,.qa-tb-btn--report .qa-tb-btn__ico{color:var(--qa-tb-analytics)}.qa-tb-btn--students .qa-tb-btn__ico{color:var(--qa-tb-students)}.qa-tb-btn--share .qa-tb-btn__ico{color:var(--qa-tb-share)}.qa-tb-btn--filter .qa-tb-btn__ico{color:var(--qa-tb-filter)}.qa-tb-btn--sort .qa-tb-btn__ico,.qa-tb-btn--more .qa-tb-btn__ico{color:var(--qa-tb-more)}.qa-tb-btn--class .qa-tb-btn__ico{color:var(--qa-nav-classes)}.qa-tb-btn:hover .qa-tb-btn__ico{transform:translateY(-.5px);transition:transform .15s ease-out}.qa-ws-chrome .qa-tb-btn--primary{margin-left:.15rem}@media(max-width:860px){.qa-ws-title-row .qa-editor-title{font-size:1.28rem}.qa-ws-chrome .qa-search-box{min-width:8rem}.qa-tb-btn--collapse-sm{display:none}}@media(max-width:640px){.qa-ws-chrome{gap:.35rem;padding-bottom:.5rem}.qa-ws-chrome>.qa-editor-toolbar{padding:.22rem .28rem;gap:.35rem}.qa-rank-row{grid-template-columns:1.8rem minmax(0,1fr) 3rem 4.5rem;font-size:.84rem}.qa-tb-btn--report .qa-tb-btn__label{display:none}}.qa-assign-chrome{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--qa-space-3);margin:0 0 var(--qa-chrome-gap);padding:0 0 var(--qa-space-3);border-bottom:1px solid transparent}.qa-assign-chrome__main{display:flex;flex-wrap:wrap;align-items:center;gap:var(--qa-space-3);min-width:0;flex:1 1 18rem}.qa-assign-chrome__title{margin:0;font-family:var(--qa-font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em;line-height:1.25;color:var(--qa-text);white-space:nowrap}.qa-assign-chrome .qa-filter-tabs{margin:0;flex-wrap:wrap}.qa-assign-chrome__actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--qa-space-2);margin-left:auto}.qa-assign-chrome .qa-search-wrap--chrome{min-width:11rem;max-width:16rem}.qa-assignments-page .qa-section-head,.qa-assignments-page .qa-toolbar{display:none}@media(max-width:720px){.qa-assign-chrome__actions{width:100%;margin-left:0}.qa-assign-chrome .qa-search-wrap--chrome{max-width:none;flex:1}}.qa-assignments-page,.qa-hw-detail,.qa-activity-page{display:grid;gap:var(--qa-chrome-gap);align-content:start}.qa-item-title,.qa-afeed-heading,.qa-student-list__title{font-family:var(--qa-font-display);font-weight:600;letter-spacing:-.015em}.qa-muted,.qa-item-meta,.qa-meta-chip{font-weight:400;letter-spacing:-.01em}@media(min-width:1100px){:root{--qa-gutter-x: 1.5rem}}.qa-shell--embed{display:flex;flex-direction:column;height:auto;min-height:0;grid-template-columns:unset;background:transparent}.qa-embed-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:0 0 14px;margin:0 0 4px;border-bottom:1px solid #f1f5f9}.qa-embed-tab{border:0;background:#f8fafc;color:#64748b;font:inherit;font-size:13px;font-weight:700;padding:7px 12px;border-radius:999px;cursor:pointer}.qa-embed-tab:hover{background:#f1f5f9;color:#0f172a}.qa-embed-tab[aria-current=page]{background:color-mix(in srgb,var(--lib-brand, #d82b7d) 10%,#fff);color:var(--lib-brand-deep, #b91c6a)}.qa-page--embed{min-height:50vh;padding:0}.lib-sessions-wrap{min-height:60vh}.lib-sessions-root{min-height:50vh}.qa-toolbar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.lib-sessions-loading{display:flex;align-items:center;justify-content:center;min-height:40vh;color:#94a3b8;font-weight:700}body.qa-phi-standalone{--lib-brand: #d82b7d;--lib-brand-deep: #b91c6a;background:#fff;overflow-y:auto!important;overflow-x:hidden!important;height:auto!important;min-height:100%!important}body.qa-phi-standalone #app{max-width:100%!important;width:100%!important;margin:0!important;padding:0!important}body.qa-phi-standalone .qa-shell--embed{min-height:calc(100vh - var(--qmf-header-h, 58px))!important;height:auto!important;overflow:visible!important}body.qa-phi-standalone .qa-page--embed{height:auto!important;min-height:auto!important;overflow:visible!important}body.qa-phi-standalone .qa-embed-tabs{margin-bottom:12px}body.qa-phi-standalone .qa-embed-tab{border:0;background:#f8fafc}body.qa-phi-standalone .qa-embed-tab[aria-current=page]{background:color-mix(in srgb,var(--lib-brand) 10%,#fff);color:var(--lib-brand-deep)}body.qa-phi-standalone .qa-page--embed{min-height:55vh}body.qa-phi-standalone .qa-section-head h2,body.qa-phi-standalone .qa-topbar-title{letter-spacing:-.02em}.qa-compact-workspace{max-width:1440px;margin:0 auto;padding:24px 32px 64px;width:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;color:#0f172a}[data-theme=dark] .qa-compact-workspace{color:#f8fafc}.qa-compact-header{height:56px;display:flex;align-items:center;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid #E5E7EB}[data-theme=dark] .qa-compact-header{border-bottom-color:#334155}.qa-compact-header__left{display:flex;flex-direction:column;gap:2px}.qa-compact-title{margin:0;font-size:20px;font-weight:600;line-height:1.25;color:inherit;letter-spacing:-.02em}.qa-compact-subtitle{margin:0;font-size:13px;color:#64748b;font-weight:400}[data-theme=dark] .qa-compact-subtitle{color:#94a3b8}.qa-compact-primary-btn{background-color:#635bff!important;color:#fff!important;height:36px;padding:0 14px;font-size:13px;font-weight:600;border-radius:8px;display:inline-flex;align-items:center;gap:6px;border:none;cursor:pointer;transition:all .15s ease;box-shadow:0 1px 2px #635bff33}.qa-compact-primary-btn:hover{background-color:#5147e5!important;transform:translateY(-.5px);box-shadow:0 3px 8px #635bff4d}.qa-compact-nav-tabs{height:40px;display:flex;align-items:center;gap:4px;border-bottom:1px solid #E5E7EB}[data-theme=dark] .qa-compact-nav-tabs{border-bottom-color:#334155}.qa-compact-nav-tab{height:38px;padding:0 14px;font-size:13.5px;font-weight:500;color:#64748b;background:transparent;border:none;border-bottom:2px solid transparent;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .15s ease;position:relative;border-radius:6px 6px 0 0}.qa-compact-nav-tab:hover{color:#0f172a;background-color:#f8fafc}[data-theme=dark] .qa-compact-nav-tab:hover{color:#f8fafc;background-color:#1e293b}.qa-compact-nav-tab.is-active{color:#635bff;font-weight:600;border-bottom-color:#635bff}[data-theme=dark] .qa-compact-nav-tab.is-active{color:#818cf8;border-bottom-color:#818cf8}.qa-nav-tab-badge{color:#64748b;font-weight:500;font-size:12px}.qa-compact-nav-tab.is-active .qa-nav-tab-badge{color:#635bff}[data-theme=dark] .qa-compact-nav-tab.is-active .qa-nav-tab-badge{color:#818cf8}.qa-compact-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.qa-filter-pill-group{display:flex;align-items:center;gap:6px;background:#f1f5f9;padding:3px;border-radius:8px}[data-theme=dark] .qa-filter-pill-group{background:#1e293b}.qa-filter-pill{height:28px;padding:0 12px;font-size:13px;font-weight:500;color:#64748b;border:none;background:transparent;border-radius:6px;cursor:pointer;transition:all .15s ease;white-space:nowrap}.qa-filter-pill:hover{color:#0f172a}[data-theme=dark] .qa-filter-pill:hover{color:#f8fafc}.qa-filter-pill.is-active{background:#fff;color:#0f172a;font-weight:600;box-shadow:0 1px 2px #0000000d}[data-theme=dark] .qa-filter-pill.is-active{background:#0f172a;color:#f8fafc}.qa-compact-toolbar__right{display:flex;align-items:center;gap:8px;position:relative}.qa-compact-search-wrap{display:flex;align-items:center;gap:6px;height:32px;background:#fff;border:1px solid #E5E7EB;border-radius:8px;padding:0 10px;width:240px;transition:all .15s ease}[data-theme=dark] .qa-compact-search-wrap{background:#1e293b;border-color:#334155}.qa-compact-search-wrap:focus-within{border-color:#635bff;box-shadow:0 0 0 2px #635bff26}.qa-compact-search-ico{display:flex;align-items:center;color:#94a3b8;width:14px;height:14px}.qa-compact-search{border:none;outline:none;background:transparent;font-size:13px;color:inherit;width:100%}.qa-compact-tool-btn{height:32px;padding:0 10px;display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #E5E7EB;border-radius:8px;font-size:13px;color:#475569;cursor:pointer;transition:all .15s ease}[data-theme=dark] .qa-compact-tool-btn{background:#1e293b;border-color:#334155;color:#cbd5e1}.qa-compact-tool-btn:hover{background:#f8fafc;border-color:#cbd5e1}.qa-compact-popover{position:absolute;top:40px;right:0;width:200px;background:#fff;border:1px solid #E5E7EB;border-radius:8px;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a;padding:8px;z-index:100;display:flex;flex-direction:column;gap:4px}[data-theme=dark] .qa-compact-popover{background:#1e293b;border-color:#334155}.qa-popover-header{font-size:11px;font-weight:600;color:#94a3b8;text-transform:uppercase;padding:4px 8px;letter-spacing:.05em}.qa-popover-opt{text-align:left;border:none;background:transparent;padding:6px 8px;font-size:13px;color:#334155;border-radius:6px;cursor:pointer}[data-theme=dark] .qa-popover-opt{color:#e2e8f0}.qa-popover-opt:hover{background:#f1f5f9;color:#635bff}[data-theme=dark] .qa-popover-opt:hover{background:#334155}.qa-compact-table-container{border:1px solid #E5E7EB;border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 1px 2px #00000008}[data-theme=dark] .qa-compact-table-container{border-color:#334155;background:#0f172a}.qa-compact-data-table{width:100%;border-collapse:collapse;text-align:left}.qa-compact-th{height:38px;background:#f8fafc;padding:0 16px;font-size:11.5px;font-weight:600;color:#64748b;letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid #E5E7EB;user-select:none;white-space:nowrap;vertical-align:middle}[data-theme=dark] .qa-compact-th{background:#1e293b;color:#94a3b8;border-bottom-color:#334155}.qa-compact-th--check,.qa-compact-td--check{width:44px;text-align:center;padding:0 0 0 12px}.qa-compact-th--title,.qa-compact-td--title{min-width:260px}.qa-compact-th--status,.qa-compact-td--status{width:110px}.qa-compact-th--progress,.qa-compact-td--progress{width:200px}.qa-compact-th--meta,.qa-compact-td--meta{width:180px}.qa-compact-th--updated,.qa-compact-td--updated{width:140px}.qa-compact-th--score,.qa-compact-td--score{width:110px}.qa-compact-th--actions,.qa-compact-td--actions{width:100px;text-align:right;padding-right:14px}.qa-compact-row{min-height:72px;height:auto;border-bottom:1px solid #E5E7EB;transition:background-color .12s ease;cursor:pointer}[data-theme=dark] .qa-compact-row{border-bottom-color:#1e293b}.qa-compact-row:last-child{border-bottom:none}.qa-compact-row:hover{background-color:#f8fafc}[data-theme=dark] .qa-compact-row:hover{background-color:#1e293b}.qa-compact-row.is-selected{background-color:#f5f3ff}[data-theme=dark] .qa-compact-row.is-selected{background-color:#635bff1f}.qa-compact-td,.qa-compact-cell{padding:16px 14px 14px;vertical-align:top;font-size:13.5px;color:inherit;line-height:1.4;border-bottom:1px solid #E5E7EB}[data-theme=dark] .qa-compact-td,[data-theme=dark] .qa-compact-cell{border-bottom-color:#1e293b}.qa-compact-td--check{padding-top:18px;padding-left:16px;padding-right:0;width:44px}.qa-compact-check{width:16px;height:16px;margin-top:2px;border-radius:4px;cursor:pointer;accent-color:#635BFF;display:block}.qa-compact-title-cell{display:flex;align-items:flex-start;gap:12px;min-width:0}.qa-compact-icon{width:32px;height:32px;min-width:32px;border-radius:8px;background:#f1f5f9;border:1px solid #E2E8F0;display:inline-flex;align-items:center;justify-content:center;color:#475569;flex-shrink:0;margin-top:1px}[data-theme=dark] .qa-compact-icon{background:#1e293b;border-color:#334155;color:#94a3b8}.qa-compact-icon svg{width:16px;height:16px}.qa-compact-title-wrap{display:flex;flex-direction:column;min-width:0;gap:3px}.qa-compact-row-title{font-size:15px;font-weight:600;line-height:1.35;color:#0f172a;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}[data-theme=dark] .qa-compact-row-title{color:#f8fafc}.qa-compact-row-sub{font-size:13px;color:#64748b;font-weight:400;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}[data-theme=dark] .qa-compact-row-sub{color:#94a3b8}.qa-status-badge{display:inline-flex;align-items:center;justify-content:center;padding:3px 9px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.25;letter-spacing:.01em;white-space:nowrap;margin-top:1px}.qa-status-badge--active{background:#ecfdf5;color:#059669;border:1px solid #A7F3D0}[data-theme=dark] .qa-status-badge--active{background:#05966926;color:#34d399;border-color:#34d3994d}.qa-status-badge--closed{background:#f1f5f9;color:#64748b;border:1px solid #E2E8F0}[data-theme=dark] .qa-status-badge--closed{background:#1e293b;color:#94a3b8;border-color:#334155}.qa-status-badge--type{background:#eef2ff;color:#4f46e5;border:1px solid #C7D2FE}[data-theme=dark] .qa-status-badge--type{background:#635bff26;color:#a5b4fc;border-color:#a5b4fc4d}.qa-progress-cell{position:relative;display:flex;flex-direction:column;gap:6px;width:175px;margin-top:1px}.qa-progress-header{display:flex;align-items:baseline;justify-content:space-between;line-height:1.3}.qa-progress-count{font-size:13px;color:#475569}[data-theme=dark] .qa-progress-count{color:#94a3b8}.qa-progress-count strong{color:#0f172a;font-weight:600;font-variant-numeric:tabular-nums}[data-theme=dark] .qa-progress-count strong{color:#f8fafc}.qa-progress-pct{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;color:#635bff}[data-theme=dark] .qa-progress-pct{color:#818cf8}.qa-progress-track{height:6px;background:#e2e8f0;border-radius:999px;overflow:hidden;width:100%}[data-theme=dark] .qa-progress-track{background:#334155}.qa-progress-fill{height:100%;background:#635bff;border-radius:999px;transition:width .3s ease}.qa-progress-fill.is-full{background:#10b981}.qa-progress-popover{position:absolute;bottom:calc(100% + 8px);left:0;background:#0f172a;color:#fff;padding:8px 12px;border-radius:8px;font-size:12px;white-space:nowrap;box-shadow:0 8px 20px #0003;z-index:1000;pointer-events:none;opacity:0;transform:translateY(4px);transition:opacity .15s ease,transform .15s ease;display:flex;flex-direction:column;gap:4px}.qa-progress-cell:hover .qa-progress-popover{opacity:1;transform:translateY(0)}.qa-popover-title{display:flex;align-items:center;gap:6px;font-size:12px}.qa-popover-title strong{color:#f8fafc}.qa-popover-title span{color:#94a3b8;font-size:11px}.qa-popover-participants{display:flex;flex-direction:column;gap:3px;margin-top:4px;border-top:1px solid #334155;padding-top:4px}.qa-participant-chip{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11.5px}.qa-chip-name{color:#e2e8f0}.qa-chip-score{color:#34d399;font-weight:600;font-variant-numeric:tabular-nums}.qa-popover-empty{color:#94a3b8;font-size:11px;font-style:italic}.qa-compact-meta-stack{display:flex;flex-direction:column;gap:3px;margin-top:1px}.qa-compact-meta-primary{font-size:13.5px;font-weight:500;color:#1e293b;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}[data-theme=dark] .qa-compact-meta-primary{color:#f1f5f9}.qa-compact-meta-secondary{font-size:12.5px;color:#64748b;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}[data-theme=dark] .qa-compact-meta-secondary{color:#94a3b8}.qa-compact-kebab{width:28px;height:28px;border-radius:6px;border:none;background:transparent;color:#94a3b8;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .15s ease;margin-top:1px}.qa-compact-kebab:hover,.qa-compact-row:hover .qa-compact-kebab{color:#334155;background:#f1f5f9}[data-theme=dark] .qa-compact-kebab:hover,[data-theme=dark] .qa-compact-row:hover .qa-compact-kebab{color:#f8fafc;background:#334155}.qa-compact-td--actions{position:relative;text-align:right;padding-right:14px}.qa-compact-row-menu{position:absolute;top:44px;right:14px;background:#fff;border:1px solid #E5E7EB;border-radius:8px;box-shadow:0 10px 25px #0000001a;padding:4px;z-index:100;min-width:170px;display:flex;flex-direction:column}[data-theme=dark] .qa-compact-row-menu{background:#1e293b;border-color:#334155;box-shadow:0 10px 25px #00000059}.qa-compact-row-menu[hidden]{display:none!important}.qa-row-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:none;background:transparent;font-size:12.5px;color:#334155;border-radius:6px;cursor:pointer;text-align:left;transition:background .12s ease}[data-theme=dark] .qa-row-menu-item{color:#e2e8f0}.qa-row-menu-item:hover{background:#f1f5f9;color:#0f172a}[data-theme=dark] .qa-row-menu-item:hover{background:#334155;color:#f8fafc}.qa-menu-ico svg{width:14px;height:14px}.qa-compact-btn-subtle{display:inline-flex;align-items:center;gap:3px;background:transparent;border:none;color:#635bff;font-size:13px;font-weight:500;cursor:pointer;padding:4px 8px;border-radius:6px;transition:all .15s ease;white-space:nowrap;margin-top:1px}.qa-compact-btn-subtle:hover{background:#eef2ff;color:#4338ca}[data-theme=dark] .qa-compact-btn-subtle{color:#818cf8}[data-theme=dark] .qa-compact-btn-subtle:hover{background:#635bff26;color:#c7d2fe}.qa-contextual-bulk-bar{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#0f172a;color:#fff;padding:8px 16px;border-radius:10px;display:flex;align-items:center;gap:16px;box-shadow:0 12px 30px #00000040;z-index:9999;animation:qaBulkSlideUp .2s cubic-bezier(.16,1,.3,1) both}@keyframes qaBulkSlideUp{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}.qa-bulk-counter{display:flex;align-items:center;gap:8px;font-size:13px;border-right:1px solid #334155;padding-right:14px}.qa-bulk-indicator{width:18px;height:18px;border-radius:999px;background:#635bff;display:inline-flex;align-items:center;justify-content:center;color:#fff}.qa-bulk-indicator svg{width:11px;height:11px}.qa-bulk-actions{display:flex;align-items:center;gap:8px}.qa-bulk-btn{height:30px;padding:0 12px;font-size:12.5px;font-weight:500;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;border:none;transition:all .15s ease}.qa-bulk-btn[data-bulk=archive]{background:#ef4444;color:#fff}.qa-bulk-btn[data-bulk=archive]:hover{background:#dc2626}.qa-bulk-btn[data-bulk=reopen]{background:#10b981;color:#fff}.qa-bulk-btn[data-bulk=reopen]:hover{background:#059669}.qa-bulk-btn[data-bulk=clear]{background:#334155;color:#e2e8f0}.qa-bulk-btn[data-bulk=clear]:hover{background:#475569;color:#fff}.qa-compact-footer{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 0;font-size:13px;color:#64748b}.qa-footer-count{font-variant-numeric:tabular-nums;font-weight:500}.qa-compact-footer-btn{height:28px;padding:0 10px;font-size:12.5px;font-weight:500;color:#635bff;border:1px solid #E5E7EB;border-radius:6px;background:#fff;cursor:pointer}[data-theme=dark] .qa-compact-footer-btn{background:#1e293b;border-color:#334155;color:#818cf8}.qa-compact-footer-btn:hover{background:#f8fafc;border-color:#cbd5e1}.qa-embed-tabs,.qa-shell--embed>.qa-embed-tabs,.qa-phi-standalone .qa-embed-tabs{display:none!important}.qa-page--embed{padding:0!important}.qa-compact-summary-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}@media(max-width:900px){.qa-compact-summary-cards{grid-template-columns:repeat(2,1fr)}}.qa-summary-card{background:#fff;border:1px solid #E5E7EB;border-radius:8px;padding:10px 14px;display:flex;flex-direction:column;gap:2px;transition:border-color .15s ease,box-shadow .15s ease}[data-theme=dark] .qa-summary-card{background:#111827;border-color:#1f2937}.qa-summary-card:hover{border-color:#cbd5e1;box-shadow:0 1px 3px #0000000a}.qa-summary-card__label{font-size:11px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.04em}[data-theme=dark] .qa-summary-card__label{color:#94a3b8}.qa-summary-card__num{font-size:22px;font-weight:700;color:#0f172a;font-variant-numeric:tabular-nums;line-height:1.2}[data-theme=dark] .qa-summary-card__num{color:#f8fafc}.qa-summary-card__sub{font-size:12px;color:#94a3b8;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}[data-theme=dark] .qa-summary-card__sub{color:#64748b}.qa-score-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:4px;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;background:#eef2ff;color:#4f46e5}[data-theme=dark] .qa-score-badge{background:#635bff26;color:#a5b4fc}.qa-score-badge--high{background:#ecfdf5;color:#059669}[data-theme=dark] .qa-score-badge--high{background:#10b98126;color:#34d399}.qa-compact-btn-soft{height:28px;padding:0 10px;font-size:12px;font-weight:500;color:#635bff;background:#eef2ff;border:1px solid rgba(99,91,255,.2);border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:4px;transition:all .15s ease;white-space:nowrap}.qa-compact-btn-soft:hover{background:#635bff;color:#fff;border-color:#635bff}[data-theme=dark] .qa-compact-btn-soft{background:#635bff26;color:#a5b4fc;border-color:#635bff4d}[data-theme=dark] .qa-compact-btn-soft:hover{background:#635bff;color:#fff}.qa-class-strip{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:8px 12px;margin-bottom:12px;background:#f8fafc;border:1px solid #E5E7EB;border-radius:8px}[data-theme=dark] .qa-class-strip{background:#111827;border-color:#1f2937}.qa-class-strip__label{font-size:12px;font-weight:600;color:#64748b;white-space:nowrap;display:flex;align-items:center;gap:6px}.qa-class-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;background:#fff;border:1px solid #E2E8F0;font-size:12px;font-weight:500;color:#334155;white-space:nowrap;cursor:pointer;transition:all .15s ease}[data-theme=dark] .qa-class-pill{background:#1e293b;border-color:#334155;color:#cbd5e1}.qa-class-pill:hover{border-color:#635bff;color:#635bff;background:#f5f3ff}[data-theme=dark] .qa-class-pill:hover{border-color:#818cf8;color:#818cf8;background:#635bff1a}:root{--lib-brand: #5B5CEB;--lib-brand-deep: #4B4CD9;--lib-brand-soft: #EEF0FF;--lib-accent-pink: #E94B8A;--lib-accent-pink-deep: #C73775;--lib-accent-pink-soft: #FCE7F1;--lib-accent: #7879F1;--lib-accent-soft: #EEF0FF;--lib-warm: #D4A72C;--lib-page: #F7F8FC;--lib-sidebar-bg: #FCFCFE;--lib-ink: #1F2A44;--lib-ink-secondary: #6E7891;--lib-ink-muted: #8C95AD;--lib-ink-label: #7C86A2;--lib-line: #E7EAF3;--lib-card: #FFFFFF;--lib-radius-xl: 20px;--lib-radius-lg: 16px;--lib-radius-md: 12px;--lib-radius-pill: 999px;--lib-shadow-sm: 0 1px 2px rgba(31, 42, 68, .04);--lib-shadow-md: 0 8px 24px rgba(31, 42, 68, .06);--lib-shadow-lg: 0 12px 40px rgba(31, 42, 68, .08);--q-bg: var(--lib-page);--q-page-bg: var(--lib-page);--q-surface: var(--lib-card);--q-primary: var(--lib-brand);--q-primary-soft: var(--lib-brand-soft);--q-lib-accent: var(--lib-brand);--q-text: var(--lib-ink);--q-text-secondary: var(--lib-ink-secondary);--q-muted: var(--lib-ink-muted);--q-border: var(--lib-line);--q-radius: var(--lib-radius-xl);--q-radius-sm: var(--lib-radius-md);--q-shadow-md: var(--lib-shadow-md);--q-shadow-lg: var(--lib-shadow-lg);--q-sidebar-width: 232px;--q-panel-width: 304px}html[data-theme=dark]{color-scheme:dark;--lib-brand-soft: #3b1a2e;--lib-accent-soft: #2e1f4a;--lib-page: #0f1419;--lib-ink: #e8edf5;--lib-ink-muted: #94a3b8;--lib-line: #2a3441;--lib-card: #1a2332;--lib-shadow-sm: 0 1px 2px rgba(0, 0, 0, .28);--lib-shadow-md: 0 4px 16px rgba(0, 0, 0, .35);--lib-shadow-lg: 0 12px 40px rgba(0, 0, 0, .42);--q-bg: var(--lib-page);--q-page-bg: var(--lib-page);--q-surface: var(--lib-card);--q-primary-soft: color-mix(in srgb, var(--lib-brand) 22%, transparent);--q-text: var(--lib-ink);--q-text-secondary: #cbd5e1;--q-muted: var(--lib-ink-muted);--q-border: var(--lib-line)}html[data-theme=dark] .lib-hero-wg{background:linear-gradient(180deg,color-mix(in srgb,var(--lib-brand) 16%,transparent) 0%,transparent 72%)}html[data-theme=dark] .lib-appearance__seg{background:color-mix(in srgb,var(--q-border) 55%,transparent);border-color:var(--q-border)}html[data-theme=dark] .lib-appearance__btn.is-active{background:var(--q-surface-elevated, var(--q-surface));color:var(--q-text)}html[data-theme=dark] .lib-ic,html[data-theme=dark] .lib-sidebar .lib-nav-item .lib-ic{color:#94a3b8}html[data-theme=dark] .lib-sidebar .lib-nav-item.active .lib-ic{color:#f9a8d4}.lib-appearance{display:grid;gap:8px}.lib-appearance__label,.lib-theme-select-label{font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--lib-ink-muted)}.lib-appearance__seg{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:3px;border-radius:12px;background:color-mix(in srgb,var(--lib-line) 40%,transparent);border:1px solid var(--lib-line)}.lib-appearance__btn{border:0;border-radius:9px;padding:7px 6px;font-size:.72rem;font-weight:800;background:transparent;color:var(--lib-ink-muted);cursor:pointer}.lib-appearance__btn.is-active{background:var(--lib-card);color:var(--lib-ink);box-shadow:var(--lib-shadow-sm)}.qlib-appearance-btn{display:inline-grid;place-items:center;width:36px;height:36px}#lib-boot.lib-boot--dark{--lib-boot-ink: #e8edf5;--lib-boot-soft: #243044;background:#0f1419}#lib-boot.lib-boot--dark .lib-boot__shape--b{background:#334155}.lib-ic{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;color:#94a3b8;flex-shrink:0}.lib-sidebar .lib-nav-item .lib-ic{color:#94a3b8}.lib-sidebar .lib-nav-item:hover .lib-ic{color:#64748b}.lib-ic-svg{width:100%;height:100%;display:block}.lib-hero-wg{position:relative;padding:var(--q-space-6) 0 var(--q-space-3);background:linear-gradient(180deg,var(--lib-brand-soft) 0%,transparent 72%);border-radius:var(--lib-radius-xl);margin-bottom:var(--q-space-3)}.lib-hero-wg .lib-hero-ambient{display:none}.lib-hero-greeting{margin:0 0 6px;font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:800;letter-spacing:-.03em;color:var(--lib-ink);text-align:center}.lib-hero-lead{margin:0 0 var(--q-space-5);text-align:center;color:var(--lib-ink-muted);font-size:.95rem;font-weight:600}.lib-hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:var(--q-space-5)}.lib-hero-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--q-border);border-radius:var(--lib-radius-pill);background:var(--q-surface);color:var(--q-text);font-weight:700;font-size:.875rem;cursor:pointer;box-shadow:var(--lib-shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.lib-hero-chip:hover{transform:translateY(-1px);box-shadow:var(--lib-shadow-md);border-color:color-mix(in srgb,var(--lib-brand) 35%,var(--lib-line))}.lib-hero-chip .lib-ic{color:var(--lib-brand-deep)}.lib-search-bar{display:flex;align-items:center;gap:0;width:min(640px,100%);max-width:640px;min-width:min(320px,100%);min-height:56px;margin:0 auto;padding:6px 6px 6px 16px;box-sizing:border-box;background:var(--q-surface);border:1px solid var(--q-border);border-radius:var(--lib-radius-pill);box-shadow:var(--lib-shadow-md);color:var(--q-text)}.lib-search-bar.lib-search-bar--hero{border:2px solid transparent;box-shadow:var(--lib-shadow-sm)}.lib-hero-wg .lib-search-bar,.lib-hero-inner .lib-search-bar{width:100%;max-width:640px}.lib-search-bar .lib-ic{width:20px;height:20px;color:var(--lib-ink-muted)}.lib-search-bar__input{flex:1;border:0;background:transparent;padding:10px 12px;font-size:.95rem;font-weight:600;color:var(--lib-ink);outline:none;min-width:0}.lib-search-bar__input::placeholder{color:#94a3b8;font-weight:500}.lib-search-bar__btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:50%;background:linear-gradient(135deg,var(--lib-brand),var(--lib-brand-deep));color:#fff;cursor:pointer;flex-shrink:0;transition:transform .15s ease,box-shadow .15s ease}.lib-search-bar__btn:hover{transform:scale(1.04);box-shadow:0 6px 18px #d82b7d47}.lib-search-bar__btn .lib-ic{color:#fff;width:20px;height:20px}.lib-search-bar__field{flex:1 1 0;width:0;display:block;border:0;background:transparent;padding:10px 12px;text-align:left;font:600 .95rem/1.4 var(--q-font);color:var(--q-text);cursor:pointer;min-width:0;overflow:hidden}.lib-search-bar__field .lib-search-ph{display:block;color:var(--q-muted);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.ex-body{background:var(--lib-page)}.lib-content,.lib-main{background:transparent}.lib-sidebar .lib-nav-item{border-radius:var(--lib-radius-md);font-weight:700}.lib-sidebar .lib-nav-item.active{background:var(--lib-brand-soft);color:var(--lib-brand-deep);box-shadow:none}.lib-sidebar .lib-nav-item.active .lib-ic{color:var(--lib-brand-deep)}.lib-sidebar .lib-nav-svg{display:none}.lib-side-brand-mini{display:flex;align-items:center;gap:10px;padding:4px 10px 14px;margin-bottom:6px;font-weight:900;font-size:.95rem;letter-spacing:-.03em;color:var(--lib-ink)}.lib-side-brand-mini span{background:linear-gradient(90deg,var(--lib-brand),var(--lib-accent));-webkit-background-clip:text;background-clip:text;color:transparent}.lib-section-surface{border-radius:var(--lib-radius-lg);border:1px solid var(--lib-line);box-shadow:var(--lib-shadow-sm)}.lib-section-title{font-weight:800;letter-spacing:-.02em}.ex-card{border-radius:var(--lib-radius-lg);border:1px solid var(--lib-line);box-shadow:var(--lib-shadow-sm)}.ex-card:hover{box-shadow:var(--lib-shadow-md)}.lib-ic-spin{animation:lib-ic-spin .75s linear infinite}@keyframes lib-ic-spin{to{transform:rotate(360deg)}}.ex-loading .lib-ic,.ex-overlay-head .lib-ic{color:var(--lib-brand)}@media(prefers-reduced-motion:no-preference){.lib-home{animation:lib-page-in .45s cubic-bezier(.22,1,.36,1) both}.lib-hero-wg{animation:lib-hero-in .55s cubic-bezier(.22,1,.36,1) both}.lib-section{animation:lib-section-in .5s cubic-bezier(.22,1,.36,1) both}.lib-section:nth-child(2){animation-delay:.05s}.lib-section:nth-child(3){animation-delay:.1s}.lib-section:nth-child(4){animation-delay:.15s}.lib-section:nth-child(5){animation-delay:.2s}.ex-card,.ex-continue-card{transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s ease,border-color .22s ease}.ex-card:hover,.ex-continue-card:hover{transform:translateY(-3px)}.lib-hero-chip{transition:transform .2s cubic-bezier(.34,1.4,.64,1),box-shadow .2s ease,border-color .2s ease}.lib-hero-chip:active{transform:scale(.97)}.lib-nav-item{transition:background .18s ease,color .18s ease,transform .18s cubic-bezier(.34,1.4,.64,1)}.lib-nav-item:hover{transform:translate(2px)}.lib-nav-item.active{animation:lib-nav-pop .35s cubic-bezier(.34,1.4,.64,1)}.lib-search-bar{transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}.lib-search-bar:focus-within{transform:translateY(-1px);box-shadow:0 8px 28px #d82b7d1f;border-color:color-mix(in srgb,var(--lib-brand) 40%,var(--lib-line))}.lib-search-bar.lib-search-bar--hero:focus-within{border-color:transparent}.ex-loading{display:inline-flex;align-items:center;gap:10px}.ex-skel-line,.ex-quiz-detail__preview-skel .ex-skel-line{background:linear-gradient(90deg,#f1f5f9,#e2e8f0,#f1f5f9 90%);background-size:200% 100%;animation:lib-shimmer 1.2s ease-in-out infinite}}@keyframes lib-page-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes lib-hero-in{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes lib-section-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes lib-nav-pop{0%{transform:scale(.96)}60%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes lib-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.lib-thumb-smart{--thumb-accent: #6366f1;position:relative;width:100%;aspect-ratio:4 / 3;min-height:84px;border-radius:14px;overflow:hidden;background:color-mix(in srgb,var(--thumb-accent) 7%,#f8fafc);isolation:isolate}.lib-thumb-smart:before{content:"";position:absolute;inset:0;background:radial-gradient(90% 70% at 100% 0%,color-mix(in srgb,var(--thumb-accent) 16%,transparent),transparent 58%),radial-gradient(60% 50% at 0% 100%,color-mix(in srgb,var(--thumb-accent) 8%,transparent),transparent 55%);pointer-events:none;z-index:0}.lib-thumb-smart__wm{position:absolute;right:2px;top:-8px;font-size:clamp(36px,5vw,48px);line-height:1;opacity:.2;filter:saturate(.85);pointer-events:none;z-index:0;user-select:none}.lib-thumb-smart__mono{position:absolute;left:12px;bottom:10px;font-size:15px;font-weight:900;letter-spacing:-.04em;color:color-mix(in srgb,var(--thumb-accent) 55%,#334155);z-index:1;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lib-thumb-smart__tag{position:absolute;top:8px;left:8px;z-index:3;padding:2px 7px;border-radius:6px;font-size:9px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:color-mix(in srgb,var(--thumb-accent) 65%,#475569);background:#ffffffd1;backdrop-filter:blur(4px)}.lib-thumb-smart__body{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;padding:10px 10px 9px;pointer-events:none}.lib-thumb-smart__topic{position:absolute;right:4px;top:-6px;font-size:clamp(32px,4.5vw,42px);line-height:1;opacity:.18;filter:saturate(.9)}.lib-thumb-smart__kind{font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:color-mix(in srgb,var(--thumb-accent) 70%,#334155)}.lib-thumb-smart__title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;font-weight:800;line-height:1.3;letter-spacing:-.02em;color:#0f172a}.lib-thumb-smart__stats{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:2px;font-size:10px;font-weight:700;color:#64748b}.lib-thumb-smart__dot{opacity:.55}.lib-thumb-smart__shade{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,#0f172a0a,#0f172a8c);pointer-events:none}.lib-thumb-smart__overlay{position:absolute;inset:auto 0 0;z-index:2;display:flex;flex-direction:column;gap:2px;padding:8px 10px 9px;pointer-events:none}.lib-thumb-smart--img .lib-thumb-smart__overlay .lib-thumb-smart__title{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.35)}.lib-thumb-smart--img .lib-thumb-smart__overlay .lib-thumb-smart__kind{color:#ffffffeb}.lib-thumb-smart--img .lib-thumb-smart__overlay .lib-thumb-smart__stats{color:#ffffffe0}.lib-thumb-smart--img .ex-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.lib-thumb-smart--img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,23,42,.12) 100%);z-index:1;pointer-events:none}.lib-thumb-smart--sm{width:72px;min-height:56px;aspect-ratio:auto;height:56px;border-radius:10px;flex-shrink:0}.lib-thumb-smart--sm .lib-thumb-smart__wm{font-size:28px;top:-4px;right:0}.lib-thumb-smart--sm .lib-thumb-smart__mono{font-size:12px;left:8px;bottom:6px}.lib-thumb-smart--sm .lib-thumb-smart__tag{font-size:8px;padding:1px 5px;top:5px;left:5px}.ex-chip-mini.ex-chip-muted{background:#f1f5f9;color:#64748b;border:0}.lib-type-grid{grid-template-columns:repeat(auto-fill,minmax(184px,1fr));gap:20px 16px}.lib-detail-list .lib-detail-row{border:0;border-bottom:1px solid #f1f5f9;border-radius:0;padding:12px 0;background:transparent;box-shadow:none}.lib-detail-list .lib-detail-row:hover{background:#fafbfc;transform:none;box-shadow:none}.lib-assign-host{min-height:calc(100vh - var(--qmf-header-h, 58px) - 48px)}.lib-assign-mfe{display:flex;flex-direction:column;gap:0;min-height:55vh}.lib-assign-tabs{margin-bottom:12px}.lib-assign-body{min-height:200px}.lib-assign-loading,.lib-assign-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:40vh;color:#64748b;text-align:center}.lib-assign-report-list{list-style:none;margin:0;padding:0}.lib-assign-report-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #f1f5f9}.lib-assign-report-actions{display:flex;flex-wrap:wrap;gap:6px}.lib-assign-meta{font-size:12px;color:#94a3b8}.qa-assignments-host .qa-lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.qa-assignments-host .qa-lib-tile{display:flex;flex-direction:column;justify-content:space-between;gap:10px;padding:14px;border-radius:12px;background:#fafbfc;border:1px solid #f1f5f9;min-height:100px}.qa-assignments-host .qa-lib-tile__main{flex:1;display:flex;flex-direction:row;align-items:flex-start;gap:10px}.qa-assignments-host .qa-lib-copy strong{display:block;font-size:14px;margin-bottom:6px}.lib-my-resources-search{display:block;margin:12px 0}.qa-assignments-host .qa-lib-actions{display:flex;flex-wrap:wrap;gap:6px}.qa-assignments-host .qa-spinner{width:28px;height:28px;border:3px solid #e2e8f0;border-top-color:var(--lib-brand, #d82b7d);border-radius:50%;animation:lib-assign-spin .7s linear infinite}@keyframes lib-assign-spin{to{transform:rotate(360deg)}}.qa-filter-count{display:inline-flex;min-width:18px;height:18px;padding:0 5px;margin-left:4px;align-items:center;justify-content:center;border-radius:999px;font-size:10px;font-weight:800;background:color-mix(in srgb,var(--lib-brand, #d82b7d) 12%,#fff);color:var(--lib-brand-deep, #b91c6a)}.qa-filter-tab.is-active .qa-filter-count{background:#ffffff38;color:#fff}.qa-lib-tile__thumb{width:48px;height:48px;flex-shrink:0;border-radius:10px;background:#f1f5f9 center/cover no-repeat;border:1px solid #e2e8f0}.qa-lib-tile__thumb--quiz{background:linear-gradient(135deg,#eef2ff,#e0e7ff)}.qa-lib-tile__thumb--quiz[style*=background-image]{background-color:#f1f5f9}.qa-lib-tile__thumb--slide{background:linear-gradient(135deg,#ecfdf5,#d1fae5)}.qa-lib-tile--claimed{border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 18%,#e2e8f0)}.qa-lib-tile__sub{display:block;margin-top:2px;font-size:11px;color:#94a3b8;font-weight:600}.qa-btn--danger{color:#b91c1c!important}.qa-btn--danger:hover{background:#fef2f2!important}:root{--q-bg: #FAF7F2;--q-page-bg: #FAF7F2;--q-lib-accent: #5B5CEB;--q-quiz-accent: #5B5CEB;--q-surface: #ffffff;--q-surface-secondary: #F5F0EA;--q-surface-elevated: #ffffff;--q-primary: var(--q-lib-accent, #5B5CEB);--q-primary-soft: color-mix(in srgb, var(--q-primary) 12%, transparent);--q-secondary: #5C5468;--q-accent: #7258C5;--q-cta: var(--q-primary);--q-text: #302B3F;--q-text-secondary: #5C5468;--q-muted: #8A8194;--q-border: #EAE3DF;--q-success: var(--qmf-color-success, #22c55e);--q-warning: var(--qmf-color-warning, #f59e0b);--q-danger: var(--qmf-color-danger, #ef4444);--q-slide-accent: var(--qmf-color-primary, #4f46e5);--q-game-accent: var(--qmf-color-success, #22c55e);--q-quiz-accent: var(--qmf-color-info, #3b82f6);--q-hero-gradient: var(--q-surface);--q-glass: color-mix(in srgb, var(--q-surface) 72%, transparent);--q-glass-border: var(--q-border);--q-nav-height: var(--qmf-header-h, 58px);--q-sidebar-width: 240px;--q-panel-width: 304px;--q-radius: var(--qmf-radius-3xl, 1.5rem);--q-radius-sm: var(--qmf-radius-2xl, 1rem);--q-radius-pill: var(--qmf-radius-full, 9999px);--q-space-1: var(--qmf-space-1, .25rem);--q-space-2: var(--qmf-space-2, .5rem);--q-space-3: var(--qmf-space-3, .75rem);--q-space-4: var(--qmf-space-4, 1rem);--q-space-5: var(--qmf-space-5, 1.25rem);--q-space-6: var(--qmf-space-6, 1.5rem);--q-space-8: var(--qmf-space-8, 2rem);--q-shadow-sm: var(--qmf-shadow-sm);--q-shadow-md: var(--qmf-shadow-md);--q-shadow-lg: var(--qmf-shadow-lg);--q-shadow-hover: var(--qmf-shadow-xl);--q-transition: .2s cubic-bezier(.22, 1, .36, 1);--q-font: var(--qmf-font-sans, "Nunito", system-ui, sans-serif);--q-sidebar-bg: #FFFCF8;--q-nav-active-bg: var(--q-primary);--q-nav-active-fg: var(--qmf-color-white, #ffffff);--q-chip-bg: var(--qmf-color-gray-100, #f3f4f6);--lib-warm-coral: #ED6670;--lib-warm-iris: #7258C5;--lib-warm-teal: #27958E;--lib-warm-amber: #E9AD52;--lib-ink: #302B3F;--lib-brand: #5B5CEB;--ex-bg: var(--q-bg);--ex-card: var(--q-surface);--ex-primary: var(--q-primary);--ex-primary-soft: var(--q-primary-soft);--ex-accent: var(--q-secondary);--ex-accent-soft: var(--q-primary-soft);--ex-success: var(--q-success);--ex-success-soft: color-mix(in srgb, var(--q-success) 14%, transparent);--ex-text: var(--q-text);--ex-muted: var(--q-muted);--ex-line: var(--q-border);--ex-shadow: var(--q-shadow-md);--ex-shadow-lg: var(--q-shadow-lg);--ex-radius: var(--q-radius);--ex-radius-sm: var(--q-radius-sm);--ex-sidebar: var(--q-sidebar-width);--ex-font: var(--q-font)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--q-page-bg, var(--q-bg));color:var(--q-text);font-family:var(--q-font);-webkit-font-smoothing:antialiased}button,input{font:inherit}a{color:inherit;text-decoration:none}body.ex-body{overflow-x:hidden;background:var(--q-page-bg, var(--q-bg))}html.ex-preview-open,html.ex-preview-open body{overflow:hidden!important;overscroll-behavior:none;scrollbar-width:none;-ms-overflow-style:none}html.ex-preview-open::-webkit-scrollbar,html.ex-preview-open body::-webkit-scrollbar{width:0;height:0;display:none}html.ex-preview-open .lib-type-body,html.ex-preview-open .lib-type-cats{overflow:hidden!important;overscroll-behavior:none}html.ex-preview-open .lib-type-rail,html.ex-preview-open .lib-type-toolbar,html.ex-preview-open .lib-inline-preview{position:relative!important;top:auto!important}html.ex-preview-open.lib-preview-solo-mode .lib-type-rail,html.ex-preview-open.lib-preview-solo-mode .lib-type-body,html.ex-preview-open.lib-preview-solo-mode .lib-type-layout{display:none!important}#lab-header{height:0;min-height:0;overflow:visible;margin:0;padding:0;border:0}#lab-header .lib-header-rail-toggle{position:fixed;left:calc(var(--q-sidebar-width) - 33px);top:calc((var(--q-nav-height) - 32px) / 2);z-index:calc(var(--qmf-z-sticky, 200) + 3);transition:left .2s ease,opacity .2s ease}html.lib-sidebar-collapsed #lab-header .lib-header-rail-toggle{opacity:0;pointer-events:none}html.lib-sidebar-collapsed #lab-header .lib-header-rail-toggle .lib-ic-svg{transform:rotate(180deg)}.lib-shell,.ex-shell{display:block;min-height:calc(100vh - var(--q-nav-height));--lib-action-coral: #E75B45;--lib-action-coral-hover: #D14935;--lib-action-coral-soft: #FFF0EB}html.lib-sidebar-collapsed{--q-sidebar-width: 76px}.lib-shell-with-panel .lib-content{display:grid;grid-template-columns:minmax(0,1fr) min(100%,var(--q-panel-width));gap:var(--q-space-5);align-items:start;min-height:0}.lib-content{min-width:0;width:auto;margin-left:var(--q-sidebar-width);background:var(--q-page-bg, var(--q-bg));transition:margin-left .2s ease}.lib-main,.ex-main{padding:var(--q-space-5) var(--q-space-5) var(--q-space-8);max-width:1200px;width:100%;min-width:0;background:transparent}.lib-main-page{max-width:1120px;margin-left:auto;margin-right:auto;padding:var(--q-space-4) var(--q-space-5) var(--q-space-8);box-sizing:border-box}.lib-shell-home .lib-main-home{max-width:1120px;margin-left:auto;margin-right:auto;padding:var(--q-space-4) var(--q-space-5) var(--q-space-8)}.lib-mark{--mark-color: #94a3b8;--mark-hover: #64748b;display:inline-flex;align-items:center;justify-content:center;width:auto;min-width:1em;height:auto;flex:0 0 auto;font-family:var(--q-font);font-size:15px;font-weight:900;letter-spacing:-.04em;line-height:1;color:var(--mark-color);background:none;border:0;border-radius:0;box-shadow:none;transition:color .18s ease}.lib-mark--word{font-size:13px;font-weight:800;letter-spacing:.02em;text-transform:none;max-width:92%;padding:0 6px;text-align:center;line-height:1.15;white-space:normal;word-break:break-word}.ex-card-cover .lib-mark--word{font-size:clamp(14px,2.4vw,20px)}.lib-detail-thumb-fallback .lib-mark--word{font-size:12px}.lib-mark-lg.lib-mark--word{font-size:clamp(16px,2.8vw,22px)}.lib-mark-md.lib-mark--word{font-size:14px}.lib-mark-sm.lib-mark--word{font-size:11px}.lib-mark-svg,.lib-mark-bg{display:none!important}.lib-mark-orange{--mark-color: #cbd5e1;--mark-hover: #f97316}.lib-mark-teal{--mark-color: #cbd5e1;--mark-hover: #14b8a6}.lib-mark-blue{--mark-color: #cbd5e1;--mark-hover: #3b82f6}.lib-mark-green{--mark-color: #cbd5e1;--mark-hover: #22c55e}.lib-mark-violet{--mark-color: #cbd5e1;--mark-hover: #8b5cf6}.lib-mark-slate{--mark-color: #cbd5e1;--mark-hover: #64748b}.lib-mark-gray{--mark-color: #cbd5e1;--mark-hover: #6b7280}.lib-mark-sky{--mark-color: #cbd5e1;--mark-hover: #0ea5e9}.lib-article-row:hover .lib-mark,.ex-card:hover .lib-mark,.ex-continue-card:hover .lib-mark,.ex-hit:hover .lib-mark,.lib-detail-row:hover .lib-mark{color:var(--mark-hover)}.lib-sidebar,.ex-sidebar{position:fixed;left:0;top:var(--q-nav-height);bottom:0;width:var(--q-sidebar-width);min-height:0;max-height:none;height:auto;padding:0 var(--q-space-2) 0;border-right:1px solid var(--q-border);background:var(--lib-sidebar-bg, #FCFCFE);overflow:hidden;z-index:calc(var(--qmf-z-sticky, 200) + 1);display:flex;flex-direction:column;transition:width .2s ease,box-shadow .22s ease}.lib-sidebar__scroll{flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;padding:6px 0 4px;display:flex;flex-direction:column;gap:2px}.lib-sidebar-top,.lib-side-brand-mini{display:none}.lib-sidebar-toggle{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--q-border);border-radius:var(--q-radius-pill);background:var(--q-surface);color:var(--q-muted);cursor:pointer}.lib-sidebar-toggle:hover{color:var(--lib-ink, #302B3F);border-color:#ddd8ea}.lib-header-rail-toggle:focus-visible,.lib-sidebar-toggle:focus-visible{outline:2px solid var(--lib-action-coral, #E75B45);outline-offset:2px}.lib-shell--sidebar-collapsed{--q-sidebar-width: 76px}.lib-shell--sidebar-collapsed .lib-nav-label,.lib-shell--sidebar-collapsed .lib-side-brand-mini span{opacity:0;width:0;overflow:hidden}.lib-sidebar-fab,.lib-sidebar-backdrop{display:none!important}.lib-side-brand,.ex-side-brand{display:none}@media(max-width:1180px)and (min-width:961px){:root{--q-sidebar-width: 76px}.lib-nav-label{opacity:0;width:0;overflow:hidden;white-space:nowrap}.lib-sidebar__scroll{align-items:center;gap:6px}.lib-sidebar__scroll>.lib-nav{display:contents}.lib-nav-group-label,.lib-nav-sep{display:none}.lib-nav-item{justify-content:center;width:44px;height:44px;min-height:44px;padding:0;gap:0}}.lib-nav,.ex-nav{display:flex;flex-direction:column;gap:4px}.lib-nav-main{flex:0 0 auto}.lib-nav-foot{margin-top:0}.lib-nav-sep,.ex-nav-sep{height:1px;background:var(--q-border);margin:6px var(--q-space-2);flex-shrink:0}.lib-shell--sidebar-collapsed .lib-nav-foot,html.ex-preview-open.lib-preview-solo-mode .lib-nav-foot{margin-top:0}html.lib-sidebar-collapsed .lib-sidebar__scroll,.lib-shell--sidebar-collapsed .lib-sidebar__scroll,html.ex-preview-open.lib-preview-solo-mode .lib-sidebar__scroll{align-items:center;gap:6px;padding-top:8px}html.lib-sidebar-collapsed .lib-sidebar__scroll>.lib-nav,.lib-shell--sidebar-collapsed .lib-sidebar__scroll>.lib-nav,html.ex-preview-open.lib-preview-solo-mode .lib-sidebar__scroll>.lib-nav{display:contents}html.lib-sidebar-collapsed .lib-nav-item,.lib-shell--sidebar-collapsed .lib-nav-item,html.ex-preview-open.lib-preview-solo-mode .lib-nav-item{justify-content:center;gap:0;width:44px;height:44px;min-height:44px;padding:0;margin:0;flex-shrink:0}.lib-sidebar-foot{display:none;flex:0 0 auto;margin-top:0;padding:var(--q-space-2) 0 calc(var(--q-space-2) + env(safe-area-inset-bottom,0px));justify-content:center;align-items:center;border-top:1px solid var(--q-border);background:var(--lib-sidebar-bg, #FCFCFE)}html.lib-sidebar-collapsed .lib-sidebar-foot,.lib-shell--sidebar-collapsed .lib-sidebar-foot{display:flex}.lib-sidebar-toggle--foot,html.lib-sidebar-collapsed .lib-sidebar-toggle--foot,.lib-shell--sidebar-collapsed .lib-sidebar-toggle--foot{display:inline-flex}.lib-sidebar .lib-nav-item .lib-ic{width:20px;height:20px}.lib-shell--sidebar-collapsed .lib-nav-group-label,.lib-shell--sidebar-collapsed .lib-nav-sep,html.lib-sidebar-collapsed .lib-nav-group-label,html.lib-sidebar-collapsed .lib-nav-sep,html.ex-preview-open.lib-preview-solo-mode .lib-nav-group-label,html.ex-preview-open.lib-preview-solo-mode .lib-nav-sep{display:none}.lib-nav-label{transition:opacity .16s ease;min-width:0}.lib-nav-item,.ex-nav button,.ex-nav a{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;color:#7b859e;padding:8px 10px;border-radius:var(--q-radius-sm);cursor:pointer;font-weight:700;font-size:var(--qmf-text-sm, .875rem);text-align:left;letter-spacing:-.01em;transition:background var(--q-transition),color var(--q-transition),box-shadow var(--q-transition),transform var(--q-transition)}.lib-nav-svg{width:22px;height:22px;flex:0 0 22px;display:block}.lib-nav-item i,.ex-nav button i{display:none}.lib-nav-item .lib-ic,.ex-nav button .lib-ic{color:#95a0b8}.lib-nav-item:hover,.ex-nav button:hover{background:color-mix(in srgb,var(--lib-brand, #5B5CEB) 6%,var(--q-surface));color:var(--lib-ink, #1F2A44)}.lib-sidebar .lib-nav-item.active,.ex-sidebar .lib-nav-item.active,.ex-nav button.active{background:var(--lib-action-coral-soft, #FFF0EB);color:var(--lib-action-coral, #E75B45);box-shadow:none;transform:none}.lib-sidebar .lib-nav-item.active .lib-ic,.ex-sidebar .lib-nav-item.active .lib-ic,.ex-nav button.active .lib-ic{color:var(--lib-action-coral, #E75B45)}.lib-bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:var(--qmf-z-sticky, 200);background:var(--q-glass);backdrop-filter:blur(16px);border-top:1px solid var(--q-border);padding:var(--q-space-2) var(--q-space-2) calc(var(--q-space-2) + env(safe-area-inset-bottom,0px));grid-template-columns:repeat(5,1fr);gap:var(--q-space-1)}.lib-bottom-item{border:0;background:transparent;color:var(--q-muted);display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--q-space-2);border-radius:var(--q-radius-sm);font-size:10px;font-weight:700;cursor:pointer;transition:color var(--q-transition),background var(--q-transition)}.lib-bottom-item i{display:none}.lib-bottom-item .lib-nav-svg{width:20px;height:20px;flex:0 0 20px}.lib-bottom-item.active{color:var(--q-primary);background:var(--q-primary-soft)}.lib-hero{position:relative;overflow:hidden;border-radius:calc(var(--q-radius) + 4px);margin-bottom:var(--q-space-6);min-height:280px;display:grid;place-items:center;background:var(--q-hero-gradient);box-shadow:var(--q-shadow-sm)}.lib-hero-search-only{min-height:0}.lib-hero-search-only .lib-hero-inner{padding:var(--q-space-6) var(--q-space-5)}.lib-hero-search-only .lib-hero-logo,.lib-hero-search-only .lib-hero-sub{display:none!important}.lib-hero-ambient{position:absolute;inset:0;pointer-events:none;overflow:hidden}.lib-hero-glow{position:absolute;inset:0;background:var(--q-hero-gradient);filter:blur(2px);opacity:.9}.lib-hero-orb{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--q-primary) 35%,transparent),color-mix(in srgb,var(--q-accent) 12%,transparent) 55%,transparent 70%);filter:blur(1px);animation:lib-float 14s ease-in-out infinite}.lib-hero-orb.o1{width:180px;height:180px;top:8%;left:12%}.lib-hero-orb.o2{width:120px;height:120px;bottom:12%;right:10%;animation-duration:18s;animation-direction:reverse}.lib-hero-orb.o3{width:90px;height:90px;top:42%;left:58%;animation-duration:12s}.lib-hero-ring{position:absolute;border-radius:50%;border:1px solid color-mix(in srgb,var(--q-primary) 22%,transparent);animation:lib-spin 48s linear infinite}.lib-hero-ring.r1{width:160px;height:160px;top:14%;right:18%}.lib-hero-ring.r2{width:110px;height:110px;bottom:18%;left:22%;border-color:color-mix(in srgb,var(--q-accent) 28%,transparent);animation-direction:reverse;animation-duration:60s}.lib-hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--q-space-8) var(--q-space-6);width:min(640px,100%)}.lib-hero-logo,.lib-hero-sub{display:none}@keyframes lib-float{0%,to{transform:translate(0)}50%{transform:translate(12px,-14px)}}@keyframes lib-spin{to{transform:rotate(360deg)}}@keyframes lib-breathe{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-3px) scale(1.03)}}.lib-search,.ex-search{position:relative;display:flex;align-items:center;gap:var(--q-space-3);padding:var(--q-space-4) var(--q-space-5);border-radius:var(--q-radius-pill);background:var(--q-glass);backdrop-filter:blur(18px);border:1px solid var(--q-glass-border);box-shadow:var(--q-shadow-md);cursor:pointer;color:var(--q-muted);font-weight:700;transition:transform var(--q-transition),box-shadow var(--q-transition),border-color var(--q-transition);overflow:hidden;width:100%}.lib-search:hover,.ex-search:hover{transform:translateY(-2px);box-shadow:var(--q-shadow-hover);border-color:color-mix(in srgb,var(--q-primary) 40%,var(--q-border))}.lib-search-hero{width:min(100%,560px);padding:var(--q-space-5) var(--q-space-6);font-size:var(--qmf-text-base, 1rem)}.lib-search-glass{position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,color-mix(in srgb,var(--q-primary) 18%,transparent),transparent 30%,color-mix(in srgb,var(--q-accent) 14%,transparent),transparent 55%);animation:lib-spin 8s linear infinite;opacity:.55;pointer-events:none}.lib-search>*:not(.lib-search-glass){position:relative;z-index:1}.lib-search i,.ex-search i{color:var(--q-primary);font-size:17px}.lib-search-ph,.ex-search-ph{flex:1;text-align:left;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity var(--q-transition),transform var(--q-transition)}.lib-search-ph.ex-ph-out,.ex-search-ph.ex-ph-out{opacity:0;transform:translateY(6px)}.lib-search-ph.ex-ph-in,.ex-search-ph.ex-ph-in{opacity:1;transform:translateY(0)}.lib-search kbd,.ex-search kbd{margin-left:auto;font-size:11px;font-weight:800;padding:var(--q-space-1) var(--q-space-2);border-radius:var(--qmf-radius-lg, .5rem);background:var(--q-chip-bg);color:var(--q-text-secondary)}.lib-section,.ex-section{margin-bottom:var(--q-space-6)}.lib-section-surface{background:var(--q-surface);border:1px solid var(--q-border);border-radius:var(--q-radius);box-shadow:var(--q-shadow-sm);padding:var(--q-space-6)}.lib-lang-grid{display:flex;flex-wrap:wrap;gap:8px}.lib-lang-pick{font:inherit;font-size:.8125rem;padding:6px 12px;border-radius:999px;border:1px solid var(--q-border);background:var(--q-surface-2, var(--q-surface));color:var(--q-text);cursor:pointer}.lib-lang-pick.is-active,.lib-lang-pick[aria-pressed=true]{border-color:var(--q-primary);background:color-mix(in srgb,var(--q-primary) 12%,transparent);color:var(--q-primary)}.lib-section-head,.ex-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--q-space-3);margin-bottom:var(--q-space-4)}.lib-section-title,.ex-section-head h3{margin:0;font-size:var(--qmf-text-xl, 1.25rem);font-weight:900;letter-spacing:-.02em;color:var(--q-text)}.lib-link,.ex-link,.ex-section-head button{border:0;background:transparent;color:var(--q-primary);font-weight:800;cursor:pointer;padding:var(--q-space-2) var(--q-space-1);transition:opacity var(--q-transition)}.lib-link:hover{opacity:.8}.lib-rail,.ex-rail{display:flex;gap:var(--q-space-4);overflow-x:auto;padding:var(--q-space-1) var(--q-space-1) var(--q-space-3);scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}.lib-rail::-webkit-scrollbar,.ex-rail::-webkit-scrollbar{height:0}.lib-recent-solo{width:100%;max-width:none}.lib-recent-rotate-slot{min-height:0;width:100%}.lib-recent-line{display:flex;align-items:center;gap:12px;width:100%;margin:0;padding:12px 14px;border:1px solid color-mix(in srgb,var(--q-border, #e2e8f0) 85%,transparent);border-radius:12px;background:color-mix(in srgb,var(--q-surface, #fff) 88%,var(--q-page-bg, #f8fafc));text-align:left;cursor:pointer;color:inherit;transition:background .15s ease,border-color .15s ease}.lib-recent-line:hover{background:color-mix(in srgb,var(--q-primary, #3b82f6) 6%,#fff);border-color:color-mix(in srgb,var(--q-primary, #3b82f6) 28%,#e2e8f0)}.lib-recent-line__type{flex:0 0 auto;font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted, #64748b);background:color-mix(in srgb,var(--q-border, #e2e8f0) 55%,transparent);padding:3px 8px;border-radius:999px}.lib-recent-line__title{flex:1 1 auto;min-width:0;font-size:.92rem;font-weight:750;color:var(--q-text, #0f172a);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-recent-line__go{flex:0 0 auto;color:var(--q-muted, #94a3b8);font-weight:800}.lib-recent-enter{animation:lib-recent-in .4s ease}@keyframes lib-recent-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.lib-empty,.ex-empty,.ex-loading{padding:var(--q-space-10) var(--q-space-5);text-align:center;color:var(--q-muted);font-weight:700}.lib-empty-sm,.ex-empty-sm{padding:var(--q-space-3);font-size:var(--qmf-text-sm, .875rem)}.lib-cont-strip,.ex-cont-strip{display:flex;gap:var(--q-space-3);overflow-x:auto;padding-bottom:var(--q-space-2)}.lib-cont-strip::-webkit-scrollbar{height:0}.ex-cont-pill,.lib-cont-pill{flex:0 0 auto;min-width:200px;max-width:280px;display:flex;align-items:center;gap:var(--q-space-3);border:1px solid var(--q-border);background:var(--q-surface-elevated);border-radius:var(--q-radius-sm);padding:var(--q-space-3) var(--q-space-3);cursor:pointer;font:inherit;text-align:left;box-shadow:var(--q-shadow-sm);transition:transform var(--q-transition),box-shadow var(--q-transition);color:var(--q-text)}.ex-cont-pill:hover,.lib-cont-pill:hover{transform:translateY(-4px);box-shadow:var(--q-shadow-hover)}.ex-cont-ic{width:40px;height:40px;border-radius:var(--q-radius-sm);flex:0 0 auto;display:grid;place-items:center;font-size:16px;background:linear-gradient(135deg,var(--ca, var(--q-primary)),var(--cb, var(--q-secondary)));color:#fff}.ex-cont-t{flex:1;min-width:0;font-size:13px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ex-cont-go{color:var(--q-muted);font-weight:800}.lib-home-continue{margin:calc(-1 * var(--q-space-2)) 0 var(--q-space-5);padding:0}.lib-home-continue__head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;padding:0 2px}.lib-home-continue__label{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--q-muted)}.lib-home-continue .lib-link{font-size:.75rem;padding:2px 0}.lib-cont-rail{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 6px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}.lib-cont-rail::-webkit-scrollbar{height:0}.lib-cont-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;min-width:0;max-width:min(360px,82vw);padding:7px 12px 7px 10px;border:1px solid color-mix(in srgb,var(--q-border) 90%,transparent);border-radius:var(--q-radius-pill);background:color-mix(in srgb,var(--q-surface) 92%,var(--q-page-bg));box-shadow:var(--q-shadow-sm);cursor:pointer;text-align:left;color:inherit;scroll-snap-align:start;transition:border-color var(--q-transition),box-shadow var(--q-transition),transform var(--q-transition)}.lib-cont-chip:hover{border-color:color-mix(in srgb,var(--q-primary) 30%,var(--q-border));box-shadow:var(--q-shadow-md);transform:translateY(-1px)}.lib-cont-chip__type{flex:0 0 auto;font-size:.58rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-primary)}.lib-cont-chip__title{flex:1 1 auto;min-width:0;font-size:.8rem;font-weight:700;line-height:1.2;color:var(--q-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-cont-chip__prog{flex:0 0 32px;height:3px;border-radius:999px;background:var(--q-chip-bg);position:relative;overflow:hidden}.lib-cont-chip__prog:after{content:"";position:absolute;left:0;top:0;bottom:0;width:var(--p, 24%);border-radius:inherit;background:linear-gradient(90deg,var(--q-primary),color-mix(in srgb,var(--q-primary) 65%,var(--q-accent, var(--q-secondary))))}.lib-cont-list,.lib-cont-item{display:none!important}.ex-continue-card{flex:0 0 280px;display:grid;grid-template-columns:64px 1fr;gap:var(--q-space-3);padding:var(--q-space-4);border-radius:var(--q-radius);background:var(--q-surface);border:1px solid var(--q-border);box-shadow:var(--q-shadow-sm);cursor:pointer;align-items:center;transition:transform var(--q-transition),box-shadow var(--q-transition)}.ex-continue-card:hover{transform:translateY(-4px);box-shadow:var(--q-shadow-hover)}.ex-continue-card .ic{width:64px;height:64px;border-radius:calc(var(--q-radius-sm) + 2px);display:grid;place-items:center;color:#fff;font-size:24px;overflow:hidden}.ex-continue-card .ic.lib-macos{background-size:cover}.ex-continue-card .label{font-size:11px;font-weight:850;color:var(--q-primary);text-transform:uppercase;letter-spacing:.04em}.ex-continue-card .title{font-weight:850;font-size:14px;margin:2px 0 var(--q-space-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ex-progress{height:7px;border-radius:var(--q-radius-pill);background:var(--q-chip-bg);overflow:hidden}.ex-progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--q-secondary),var(--q-primary))}.ex-card,.lib-card{flex:0 0 220px;scroll-snap-align:start;background:var(--q-surface);border:1px solid var(--q-border);border-radius:var(--q-radius);overflow:hidden;box-shadow:none;cursor:pointer;position:relative;transition:transform var(--q-transition),box-shadow var(--q-transition),border-color var(--q-transition)}.ex-card:hover,.lib-card:hover{transform:translateY(-5px);box-shadow:var(--q-shadow-hover)}.ex-card-cover{height:118px;display:grid;place-items:center;font-size:42px;position:relative;overflow:hidden;background:#94a3b8}.ex-card.has-thumb .ex-card-cover{background:#e2e8f0}.lib-macos{background-color:#0f172a;background-repeat:no-repeat;background-size:cover;position:relative;isolation:isolate}.lib-macos:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;opacity:.35;background:radial-gradient(120% 80% at 12% 18%,rgba(255,255,255,.12),transparent 42%),radial-gradient(90% 70% at 88% 82%,rgba(0,0,0,.22),transparent 46%)}.lib-macos>*{position:relative;z-index:1}.lib-macos-bigsur{background-image:radial-gradient(120% 90% at 8% 100%,#be185d 0%,transparent 52%),radial-gradient(100% 80% at 92% 12%,#6d28d9 0%,transparent 48%),linear-gradient(165deg,#075985,#5b21b6 40%,#9f1239 72%,#c2410c)}.lib-macos-monterey{background-image:radial-gradient(90% 70% at 18% 92%,#4338ca 0%,transparent 50%),radial-gradient(80% 60% at 88% 12%,#0e7490 0%,transparent 45%),linear-gradient(150deg,#020617,#1e1b4b 38%,#4c1d95 68%,#0e7490)}.lib-macos-ventura{background-image:radial-gradient(70% 60% at 12% 22%,#7e22ce 0%,transparent 52%),radial-gradient(80% 70% at 90% 82%,#1d4ed8 0%,transparent 50%),linear-gradient(140deg,#1e1b4b,#5b21b6 42%,#6d28d9 68%,#1e3a8a)}.lib-macos-sonoma{background-image:radial-gradient(90% 70% at 82% 8%,#b45309 0%,transparent 45%),radial-gradient(100% 80% at 10% 92%,#c2410c 0%,transparent 50%),linear-gradient(160deg,#0c4a6e,#1d4ed8 32%,#c2410c,#9f1239)}.lib-macos-sequoia{background-image:radial-gradient(80% 70% at 18% 18%,#047857 0%,transparent 50%),radial-gradient(90% 80% at 90% 88%,#022c22 0%,transparent 52%),linear-gradient(155deg,#022c22,#065f46 38%,#0f766e 68%,#14532d)}.lib-macos-iridescent{background-image:radial-gradient(70% 60% at 22% 28%,#5b21b6 0%,transparent 50%),radial-gradient(80% 70% at 78% 72%,#0e7490 0%,transparent 48%),linear-gradient(135deg,#1e3a8a,#4c1d95 38%,#9d174d 68%,#0f766e)}.lib-macos-peak{background-image:radial-gradient(90% 70% at 50% 100%,#075985 0%,transparent 52%),radial-gradient(60% 50% at 18% 18%,#1d4ed8 0%,transparent 48%),linear-gradient(170deg,#082f49,#0c4a6e 34%,#1e40af 64%,#164e63)}.lib-macos-dune{background-image:radial-gradient(80% 60% at 72% 16%,#b45309 0%,transparent 48%),radial-gradient(90% 70% at 12% 88%,#9a3412 0%,transparent 50%),linear-gradient(145deg,#431407,#9a3412 38%,#c2410c 66%,#78350f)}.lib-macos-helix{background-image:radial-gradient(70% 60% at 28% 72%,#be185d 0%,transparent 48%),radial-gradient(80% 70% at 86% 22%,#0e7490 0%,transparent 45%),linear-gradient(135deg,#3b0764,#9d174d 42%,#be185d 66%,#155e75)}.lib-macos-aurora{background-image:radial-gradient(90% 60% at 18% 38%,#047857 0%,transparent 48%),radial-gradient(80% 70% at 82% 28%,#0e7490 0%,transparent 45%),linear-gradient(160deg,#020617,#064e3b 38%,#0f766e 66%,#134e4a)}.lib-macos-horizon{background-image:radial-gradient(100% 60% at 50% 100%,#c2410c 0%,transparent 52%),radial-gradient(80% 50% at 50% 0%,#1e1b4b 0%,transparent 48%),linear-gradient(180deg,#0f172a,#4c1d95 34%,#9f1239 62%,#9a3412)}.lib-macos-mist{background-image:radial-gradient(80% 70% at 28% 38%,#334155 0%,transparent 52%),radial-gradient(70% 60% at 82% 72%,#1e293b 0%,transparent 48%),linear-gradient(150deg,#0f172a,#1e293b 38%,#334155 68%,#0f172a)}.ex-card-cover:before{content:"";position:absolute;inset:0;opacity:.12;pointer-events:none}.ex-pat-0:before{background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.35) 0 12%,transparent 13%),radial-gradient(circle at 78% 70%,rgba(255,255,255,.2) 0 18%,transparent 19%)}.ex-pat-1:before{background:repeating-linear-gradient(-35deg,rgba(255,255,255,.14) 0 10px,transparent 10px 22px)}.ex-pat-2:before{background:radial-gradient(circle at 70% 25%,rgba(255,255,255,.22) 0 22%,transparent 23%),linear-gradient(90deg,transparent 40%,rgba(255,255,255,.1) 50%,transparent 60%)}.ex-pat-3:before{background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:18px 18px}.ex-pat-4:before{background:radial-gradient(ellipse at 50% 120%,rgba(255,255,255,.28) 0 40%,transparent 42%),radial-gradient(circle at 15% 20%,rgba(255,255,255,.18) 0 10%,transparent 11%)}.ex-pat-5:before{background:conic-gradient(from 210deg at 80% 20%,rgba(255,255,255,.2),transparent 40%),radial-gradient(circle at 30% 80%,rgba(255,255,255,.16) 0 16%,transparent 17%)}.ex-cover-emoji{display:none}.ex-card-cover .lib-mark,.lib-detail-thumb-fallback .lib-mark,.ex-continue-card .ic.lib-macos .lib-mark{position:relative;z-index:1;color:#fff;text-shadow:0 1px 8px rgba(15,23,42,.28)}.ex-card-cover .lib-mark,.ex-card-cover .lib-mark--word{font-size:clamp(14px,2.4vw,20px);letter-spacing:.02em;max-width:90%;padding:0 8px}.ex-card:hover .ex-card-cover .lib-mark,.ex-continue-card:hover .ic.lib-macos .lib-mark{color:#fff;filter:brightness(1.08)}.ex-continue-card .ic{display:grid;place-items:center;font-size:0}.ex-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.ex-card.has-thumb .ex-card-cover:before{opacity:.18}.ex-card-cover .badge{position:absolute;top:var(--q-space-3);left:var(--q-space-3);z-index:1;font-size:11px;font-weight:850;color:#fff;background:color-mix(in srgb,#0f172a 28%,transparent);backdrop-filter:blur(6px);padding:var(--q-space-1) var(--q-space-2);border-radius:var(--q-radius-pill)}.ex-card-body{padding:var(--q-space-4) var(--q-space-4) var(--q-space-4);background:linear-gradient(180deg,#ffffffeb,color-mix(in srgb,var(--q-bg) 35%,#ffffff))}.ex-card-title{font-size:15px;font-weight:850;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em;margin:0 0 var(--q-space-2);color:var(--q-text)}.ex-card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:var(--q-space-3)}.ex-chip-mini{font-size:10.5px;font-weight:800;letter-spacing:.01em;color:var(--q-text-secondary);background:var(--q-chip-bg);padding:3px 8px;border-radius:var(--q-radius-pill)}.ex-chip-mint{color:#0f766e;background:color-mix(in srgb,var(--q-mint, #6ee7b7) 28%,transparent)}.ex-chip-lime{color:#3f6212;background:color-mix(in srgb,var(--q-lime, #a3e635) 30%,transparent)}.ex-chip-orange{color:#c2410c;background:color-mix(in srgb,var(--q-cta, #f97316) 18%,transparent)}.ex-chip-cyan{color:#0e7490;background:color-mix(in srgb,var(--q-primary) 22%,transparent)}.ex-stars{color:var(--q-muted);font-size:12px;letter-spacing:1px;margin-bottom:var(--q-space-3)}.ex-stars .on{color:var(--q-warning)}.ex-reason{font-size:12px;font-weight:700;color:var(--q-muted);margin:-2px 0 var(--q-space-3);line-height:1.35}.ex-cta{width:100%;border:0;border-radius:var(--q-radius-sm);padding:var(--q-space-3) var(--q-space-4);background:var(--q-cta);color:#fff;font-weight:850;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:var(--q-space-2);transition:transform var(--q-transition),box-shadow var(--q-transition),filter var(--q-transition),background var(--q-transition)}.ex-cta:hover{filter:brightness(1.04);box-shadow:var(--q-shadow-md);background:linear-gradient(120deg,var(--q-cta),var(--q-lime, var(--q-secondary)))}.ex-cta.claimed{background:var(--q-success)}.ex-cta.continue{background:linear-gradient(135deg,var(--q-secondary),var(--q-primary))}.ex-cta-secondary{width:100%;margin-top:var(--q-space-2);border:1px solid var(--q-border);border-radius:var(--q-radius-sm);padding:var(--q-space-3) var(--q-space-4);background:var(--q-surface);color:var(--q-text-secondary);font-weight:750;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:var(--q-space-2);transition:border-color var(--q-transition),color var(--q-transition)}.ex-cta-secondary:hover{border-color:var(--q-primary);color:var(--q-primary)}.ex-card-actions{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:var(--q-space-2);background:color-mix(in srgb,#0f172a 40%,transparent);opacity:0;pointer-events:none;transition:opacity var(--q-transition);backdrop-filter:blur(2px)}.ex-card:hover .ex-card-actions{opacity:1;pointer-events:auto}.ex-card-actions button{width:42px;height:42px;border:0;border-radius:50%;background:var(--q-surface);color:var(--q-text);cursor:pointer;box-shadow:var(--q-shadow-md);font-size:14px;transition:transform var(--q-transition),color var(--q-transition)}.ex-card-actions button:hover{color:var(--q-primary);transform:scale(1.05)}.ex-card-compact{border-radius:var(--q-radius-sm)}.ex-card-compact .ex-card-cover{height:72px;font-size:28px}.ex-card-compact .ex-card-body{padding:var(--q-space-3)}.ex-card-compact .ex-card-title{font-size:13px;min-height:2.4em;margin-bottom:var(--q-space-2)}.ex-card-compact .ex-cta{padding:var(--q-space-2);border-radius:var(--qmf-radius-xl, .75rem);font-size:12px}.ex-card:not(.ex-card-compact){flex-basis:220px}.ex-card:not(.ex-card-compact) .ex-card-cover{height:110px;font-size:48px}.ex-recs-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--q-space-3)}.ex-recs-row .ex-card-compact{flex:none;width:auto;min-width:0}.lib-panel{position:sticky;top:calc(var(--q-nav-height) + var(--q-space-4));align-self:start;width:100%;min-height:0;max-height:calc(100dvh - var(--q-nav-height) - var(--q-space-4) * 2);display:flex;flex-direction:column;border:1px solid color-mix(in srgb,var(--q-border) 80%,transparent);border-radius:var(--lib-radius-lg, var(--q-radius-sm));background:var(--q-surface);box-shadow:var(--lib-shadow-sm, var(--q-shadow-sm));overflow:hidden}.lib-panel--compact .lib-panel-head{padding:10px 12px 8px}.lib-panel--compact .lib-rec-bars{height:48px;gap:4px;padding:0}.lib-panel--compact .lib-rec-block--feed{padding:8px 12px 6px}.lib-panel--compact .lib-rec-block--stats{padding:6px 12px 8px}.lib-panel--compact .lib-rec-block--settings{padding:8px 12px 12px;border-bottom:0}.lib-panel-head__copy{display:flex;align-items:baseline;gap:8px;min-width:0}.lib-panel-streak{flex:0 0 auto;font-size:.68rem;font-weight:700;color:var(--lib-brand-deep, var(--q-primary));background:color-mix(in srgb,var(--lib-brand, #d82b7d) 10%,var(--q-surface));padding:2px 7px;border-radius:999px;white-space:nowrap}.lib-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex:0 0 auto;padding:14px 14px 10px;border-bottom:1px solid color-mix(in srgb,var(--q-border) 75%,transparent)}.lib-panel-title{margin:0;font-size:.95rem;font-weight:800;letter-spacing:-.02em;color:var(--q-text)}.lib-panel-body{display:flex;flex-direction:column;gap:0;flex:1 1 auto;min-height:0;padding:0;overflow:hidden}.lib-panel-scroll{flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--q-border) 70%,transparent) transparent;padding:8px 0 4px}.lib-rec-block--settings{flex:0 0 auto;margin-top:auto;padding:6px 12px 12px;border-top:1px solid color-mix(in srgb,var(--q-border) 55%,transparent);border-bottom:0;background:color-mix(in srgb,var(--q-surface) 92%,var(--q-bg))}.lib-rec-block{padding:8px 12px;border-bottom:1px solid color-mix(in srgb,var(--q-border) 55%,transparent)}.lib-rec-block:last-child{border-bottom:0}.lib-rec-block--chart{padding-top:10px;padding-bottom:10px}.lib-rec-block--feed{flex:0 0 auto}.lib-rec-feed{display:grid;gap:2px}.lib-rec-feed--solo{gap:0}.lib-rec-rotate-slot{min-height:2.25rem}.lib-rec-line--enter{animation:lib-rec-line-in .38s ease}@keyframes lib-rec-line-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.lib-rec-line{display:flex;align-items:center;gap:8px;width:100%;min-width:0;border:0;background:transparent;padding:6px;margin:0 -6px;border-radius:8px;text-align:left;cursor:pointer;color:inherit;transition:background .15s ease}.lib-rec-line:hover{background:color-mix(in srgb,var(--q-border) 35%,transparent)}.lib-rec-line__tag{flex:0 0 auto;font-size:.65rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:var(--q-muted);min-width:2rem}.lib-rec-line__title{flex:1 1 auto;min-width:0;font-size:.84rem;font-weight:650;line-height:1.2;color:var(--q-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-rec-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:end}.lib-rec-stats__col{min-width:0;display:grid;gap:3px}.lib-rec-stats__lbl{font-size:.58rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted)}.lib-rec-details{border:0;margin:0}.lib-rec-details__sum{list-style:none;cursor:pointer;font-size:.62rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted);padding:4px 0;user-select:none}.lib-rec-details__sum::-webkit-details-marker{display:none}.lib-rec-details__sum:before{content:"\25b8  ";display:inline-block;transition:transform .15s ease}.lib-rec-details[open] .lib-rec-details__sum:before{transform:rotate(90deg)}.lib-rec-details .lib-rec-settings{padding-top:4px}.lib-rec-settings--compact .lib-rec-setting__label,.lib-rec-settings--compact .lib-appearance__label{display:none}.lib-rec-settings--compact .lib-appearance__btn{padding:4px 2px;font-size:.62rem}.lib-rec-empty{margin:0;padding:4px 6px;font-size:.76rem;font-weight:600;color:var(--q-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-rec-chart__head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px}.lib-rec-chart__title{font-size:.72rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:var(--q-text-secondary)}.lib-rec-chart__sub{font-size:.65rem;font-weight:600;color:var(--q-muted)}.lib-rec-bars{display:flex;align-items:flex-end;gap:6px;height:72px;padding:0 2px}.lib-rec-bar{flex:1 1 0;min-width:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px}.lib-rec-bar__col{display:block;width:100%;max-width:28px;height:var(--h, 20%);min-height:4px;border-radius:6px 6px 4px 4px;background:linear-gradient(180deg,color-mix(in srgb,var(--lib-brand, #d82b7d) 78%,#fff),color-mix(in srgb,var(--lib-brand, #d82b7d) 42%,#f8fafc));box-shadow:0 1px color-mix(in srgb,var(--lib-brand, #d82b7d) 18%,transparent);transition:height .35s ease}.lib-rec-bar.is-hot .lib-rec-bar__col{background:linear-gradient(180deg,color-mix(in srgb,var(--lib-accent, #8b5cf6) 85%,#fff),color-mix(in srgb,var(--lib-brand, #d82b7d) 55%,#f8fafc))}.lib-rec-bar--type .lib-rec-bar__col{background:linear-gradient(180deg,color-mix(in srgb,var(--q-primary, #6366f1) 70%,#fff),color-mix(in srgb,var(--q-primary, #6366f1) 28%,#f1f5f9))}.lib-rec-bar--quiz .lib-rec-bar__col{background:linear-gradient(180deg,#a78bfa,color-mix(in srgb,#6366f1 35%,#f1f5f9))}.lib-rec-bar--slide .lib-rec-bar__col{background:linear-gradient(180deg,#2dd4bf,color-mix(in srgb,#14b8a6 30%,#f1f5f9))}.lib-rec-bar--article .lib-rec-bar__col{background:linear-gradient(180deg,#38bdf8,color-mix(in srgb,#0ea5e9 28%,#f1f5f9))}.lib-rec-bar--game .lib-rec-bar__col{background:linear-gradient(180deg,#c084fc,color-mix(in srgb,#8b5cf6 28%,#f1f5f9))}.lib-rec-bar__lbl{font-size:.55rem;font-weight:700;color:var(--q-muted);line-height:1}.lib-rec-settings{display:grid;gap:12px}.lib-rec-settings--compact{gap:8px}.lib-rec-settings--compact .lib-rec-setting__label{font-size:.62rem}.lib-rec-settings--compact .lib-appearance__seg{gap:3px;padding:2px}.lib-rec-settings--compact .lib-appearance__btn{padding:5px 4px;font-size:.68rem}.lib-rec-settings--compact select{height:30px;font-size:.75rem;padding:0 8px;width:100%;max-width:100%;box-sizing:border-box}.lib-rec-setting--select select{appearance:auto}.lib-rec-group,.lib-rec-item,.lib-rec-streak{display:none!important}.lib-rec-setting{display:grid;gap:6px}.lib-rec-setting__label{font-size:.68rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--q-muted)}.lib-appearance__seg{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:3px;border-radius:10px;background:color-mix(in srgb,var(--q-border) 35%,var(--q-surface));border:1px solid var(--q-border)}.lib-appearance__btn{border:0;border-radius:8px;padding:7px 4px;font-size:.72rem;font-weight:800;background:transparent;color:var(--q-muted);cursor:pointer}.lib-appearance__btn.is-active{background:var(--q-surface);color:var(--q-text);box-shadow:var(--q-shadow-sm)}.lib-theme-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.lib-theme-preset{display:flex;align-items:center;gap:6px;min-width:0;padding:6px 8px;border:1px solid var(--q-border);border-radius:8px;background:var(--q-surface);color:var(--q-text);cursor:pointer;font:inherit;text-align:left;transition:border-color .15s ease,background .15s ease}.lib-theme-preset:hover{border-color:color-mix(in srgb,var(--q-primary) 28%,var(--q-border))}.lib-theme-preset.is-active{border-color:color-mix(in srgb,var(--q-primary) 42%,var(--q-border));background:var(--q-primary-soft);box-shadow:var(--q-shadow-sm)}.lib-theme-preset__swatch{flex:0 0 14px;width:14px;height:14px;border-radius:50%;background:var(--tp, var(--q-primary));box-shadow:inset 0 0 0 1px #00000014}.lib-theme-preset__name{flex:1 1 auto;min-width:0;font-size:.68rem;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-rec-settings--compact .lib-theme-presets{gap:5px}.lib-rec-settings--compact .lib-theme-preset{padding:5px 7px}.lib-rec-settings--compact .lib-theme-preset__name{font-size:.64rem}.lib-rec-setting select,.lib-theme-select select{width:100%;border:1px solid var(--q-border);background:var(--q-surface);color:var(--q-text);border-radius:10px;padding:9px 11px;font-weight:700;font-size:.82rem;cursor:pointer}.lib-rec-setting select:focus,.lib-theme-select select:focus{outline:2px solid color-mix(in srgb,var(--q-primary) 30%,transparent);outline-offset:1px}.lib-panel-hide,.lib-panel-show{display:inline-grid;place-items:center;width:32px;height:32px;border:1px solid var(--q-border);background:var(--q-surface);color:var(--q-muted);border-radius:10px;padding:0;cursor:pointer;transition:color var(--q-transition),border-color var(--q-transition),background var(--q-transition)}.lib-panel-hide .lib-ic,.lib-panel-show .lib-ic{width:16px;height:16px}.lib-panel-hide:hover,.lib-panel-show:hover{color:var(--q-text);border-color:color-mix(in srgb,var(--q-primary) 25%,var(--q-border));background:color-mix(in srgb,var(--q-primary) 5%,var(--q-surface))}.lib-panel-show{display:none!important}.lib-ic-sm{width:16px;height:16px}.lib-panel-stack,.lib-panel-block,.lib-panel-eyebrow,.lib-article-row,.lib-article-head,.lib-article-kicker,.lib-article-title,.lib-article-empty,.lib-streak-row,.lib-streak-n,.lib-streak-label,.lib-streak-sub,.lib-theme-select,.lib-theme-chips,.lib-panel-card,.lib-rec-mini,.lib-panel-toolbar{display:none!important}.ex-topics,.ex-catalog-topics{display:flex;flex-wrap:wrap;gap:var(--q-space-3)}.ex-topic{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-pill);padding:var(--q-space-3) var(--q-space-4);cursor:pointer;font-weight:800;font-size:13.5px;color:var(--q-text);display:inline-flex;align-items:center;gap:var(--q-space-2);box-shadow:var(--q-shadow-sm);transition:transform var(--q-transition),background var(--q-transition)}.ex-topic .emoji{font-size:16px}.ex-topic.on{background:var(--q-primary-soft);border-color:color-mix(in srgb,var(--q-primary) 40%,var(--q-border));color:var(--q-text)}.ex-topic:hover{transform:translateY(-1px)}.ex-collections{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--q-space-4)}.ex-collection{border:1px solid var(--q-border);border-radius:var(--q-radius);padding:var(--q-space-5) var(--q-space-4) var(--q-space-4);background:var(--q-surface);box-shadow:var(--q-shadow-sm);cursor:pointer;text-align:left;min-height:148px;display:flex;flex-direction:column;gap:var(--q-space-2);transition:transform var(--q-transition),box-shadow var(--q-transition);color:var(--q-text);font:inherit}.ex-collection:hover{transform:translateY(-4px);box-shadow:var(--q-shadow-hover)}.ex-collection .mascot{font-size:34px;line-height:1}.ex-collection .name{font-weight:900;font-size:16px}.ex-collection .count{color:var(--q-muted);font-weight:700;font-size:13px;margin-top:auto}.ex-collections-banner{display:flex;align-items:center;justify-content:space-between;gap:var(--q-space-4);padding:var(--q-space-5);border-radius:var(--q-radius);margin-bottom:var(--q-space-5);background:linear-gradient(135deg,var(--q-secondary),var(--q-primary));color:#fff;box-shadow:var(--q-shadow-md)}.ex-collections-banner strong{display:block;font-size:18px;font-weight:900}.ex-collections-banner span{opacity:.9;font-weight:650;font-size:13px}.ex-collections-banner .ex-btn-primary{background:var(--q-surface);color:var(--q-text)}.ex-btn{border:0;border-radius:var(--q-radius-pill);padding:var(--q-space-3) var(--q-space-5);cursor:pointer;font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:var(--q-space-2);transition:transform var(--q-transition),box-shadow var(--q-transition)}.ex-btn-primary{background:var(--q-cta);color:#fff}.ex-btn-ghost{background:var(--q-chip-bg);color:var(--q-text-secondary)}.ex-btn-lg{padding:var(--q-space-4) var(--q-space-6);font-size:16px;box-shadow:var(--q-shadow-md)}.ex-btn-lg:not(:disabled):hover{transform:translateY(-2px);box-shadow:var(--q-shadow-lg)}.ex-btn:disabled{opacity:.4;cursor:not-allowed}.ex-panel-title{font-size:28px;font-weight:900;margin:0 0 var(--q-space-2);letter-spacing:-.03em;color:var(--q-text)}.ex-panel-sub{color:var(--q-muted);font-weight:650;margin:0 0 var(--q-space-8)}.lib-shell:has(.lib-type-layout){background:var(--q-page-bg, var(--q-bg))}.lib-main:has(.lib-type-layout),.lib-main-page:has(.lib-page--type){max-width:1120px;padding:var(--q-space-4) var(--q-space-5) var(--q-space-8)}.lib-main:has(.lib-type-layout) .lib-page--type{min-width:0}.lib-shell:has(.lib-type-layout) .lib-content{background:var(--q-page-bg, var(--q-bg))}.lib-type-layout{display:grid;grid-template-columns:172px minmax(0,1fr);gap:0;align-items:start;min-height:0;position:relative;background:transparent}.lib-type-layout--preview{grid-template-columns:156px minmax(0,.95fr) minmax(320px,1.05fr)}.ex-card.is-selected,.lib-detail-row.is-selected{outline:2px solid color-mix(in srgb,var(--q-primary, #3b82f6) 55%,transparent);outline-offset:1px}.lib-inline-preview{display:flex;flex-direction:column;min-width:0;max-height:calc(100vh - var(--q-nav-height, 64px) - 16px);position:relative;top:auto;align-self:start;overflow:hidden;padding:0!important;border-radius:0!important;box-shadow:none!important;border:1px solid var(--q-border, #e5e7eb);border-left:0;background:var(--q-surface, #fff)}.lib-inline-preview__head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-shrink:0;padding:10px 14px;border-bottom:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 80%,transparent)}.lib-inline-preview__title-wrap{min-width:0}.lib-inline-preview__title{display:block;font-size:15px;line-height:1.3}.lib-inline-preview__meta{display:block;margin-top:2px;font-size:12px;color:var(--q-muted, #64748b)}.lib-inline-preview__close{border:0;background:transparent;color:var(--q-muted, #64748b);width:32px;height:32px;border-radius:8px;cursor:pointer}.lib-inline-preview__close:hover{background:color-mix(in srgb,var(--q-border, #e5e7eb) 50%,transparent);color:var(--q-text, #0f172a)}.lib-inline-preview__toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;flex-shrink:0;padding:8px 14px;border-bottom:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 80%,transparent)}.lib-inline-preview__toolbar .ex-quiz-detail__theme{margin:0;flex:1 1 auto}.lib-inline-preview__scroll{flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:none;-ms-overflow-style:none}.lib-inline-preview__scroll::-webkit-scrollbar{width:0;height:0;display:none}.lib-inline-preview__stage{min-height:220px;overflow:visible}.lib-inline-preview__body{overflow:visible;border-top:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 70%,transparent)}html.ex-preview-open.lib-preview-solo-mode .lib-main,html.ex-preview-open.lib-preview-solo-mode .lib-main-home{max-width:none;width:100%;padding:var(--q-space-3) var(--q-space-4) var(--q-space-4);display:flex;flex-direction:column;min-height:calc(100vh - var(--q-nav-height, 64px));box-sizing:border-box}.lib-preview-solo{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;min-width:0;width:100%;max-width:none;margin:0}.lib-preview-solo .lib-inline-preview--solo{flex:1 1 auto;display:flex;flex-direction:column;align-self:stretch;min-height:0;width:100%;max-height:none;height:auto;border:1px solid var(--q-border, #e5e7eb);border-radius:14px!important;overflow:hidden;box-shadow:var(--lib-shadow-md, 0 8px 24px rgba(31, 42, 68, .06))}.lib-preview-solo .lib-inline-preview__scroll{flex:1 1 auto;min-height:0}.lib-main:has(.lib-preview-solo){max-width:none;padding:var(--q-space-3) var(--q-space-4) var(--q-space-4)}html.ex-preview-open .lib-preview-solo .lib-inline-preview{position:relative!important;top:auto!important}html.ex-preview-open.lib-preview-solo-mode .lib-inline-preview__stage{min-height:200px}.lib-type-rail{position:sticky;top:calc(var(--q-nav-height) + 8px);align-self:start;max-height:calc(100vh - var(--q-nav-height) - 16px);display:flex;flex-direction:column;gap:4px;padding:0 12px 16px 0;border-radius:0;background:transparent;border:0;box-shadow:none;z-index:2;overflow:visible}.lib-type-bridge{position:absolute;left:-14px;top:18%;width:14px;height:64px;pointer-events:none;z-index:3;overflow:hidden}.lib-type-bridge-flow{display:block;width:100%;height:100%;border-radius:999px 0 0 999px;background:linear-gradient(180deg,color-mix(in srgb,var(--q-cta) 55%,transparent),color-mix(in srgb,var(--q-mint, var(--q-success)) 70%,transparent),color-mix(in srgb,var(--q-primary) 50%,transparent));box-shadow:0 0 18px color-mix(in srgb,var(--q-mint, var(--q-primary)) 35%,transparent);animation:lib-bridge-flow 4.8s ease-in-out infinite;transform-origin:right center}.lib-type-rail:hover .lib-type-bridge-flow{animation-duration:2.4s;transform:scaleX(1.15)}@keyframes lib-bridge-flow{0%,to{opacity:.55;filter:hue-rotate(0deg);transform:scaleY(.92) scaleX(1)}50%{opacity:1;filter:hue-rotate(18deg);transform:scaleY(1.08) scaleX(1.08)}}.lib-type-rail-label{display:flex;align-items:center;min-height:42px;margin:0 0 2px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted);padding:0 4px;opacity:.72}.lib-type-cats{display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0;padding:0;border:0;background:transparent;backdrop-filter:none;max-height:none;position:static}.lib-type-cat{display:flex;align-items:center;gap:8px;width:100%;border:0;background:transparent;color:var(--q-muted);padding:8px 4px;border-radius:0;cursor:pointer;font:inherit;font-size:13px;font-weight:500;text-align:left;letter-spacing:-.01em;transition:color var(--q-transition)}.lib-type-cat-inner{display:flex;align-items:center;gap:8px;min-width:0;flex:1}.lib-type-cat-emoji{display:none}.lib-type-cat:hover{color:var(--q-text)}.lib-type-cat.on{background:transparent;color:var(--q-text);font-weight:650;box-shadow:none}.lib-type-cat-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.lib-type-cat-count{flex:0 0 auto;margin-left:auto;font-size:11px;font-weight:500;color:var(--q-muted);background:transparent;padding:0;border-radius:0;line-height:1.3;opacity:.7}.lib-type-cat.on .lib-type-cat-count{color:var(--q-text-secondary);background:transparent;opacity:1}.lib-type-body{min-width:0;padding:0 0 0 var(--q-space-3);display:flex;flex-direction:column;gap:var(--q-space-3)}.lib-type-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--q-space-3);min-height:42px;padding:8px 12px;margin:0;border:1px solid color-mix(in srgb,var(--q-border) 72%,transparent);border-radius:var(--q-radius-sm);background:var(--q-surface);box-shadow:var(--lib-shadow-sm, 0 1px 2px rgba(15, 23, 42, .04));position:sticky;top:calc(var(--q-nav-height) + 8px);z-index:5;overflow:hidden}.lib-type-toolbar:before{display:none}@keyframes lib-bridge-shine{0%{background-position:0% 0}to{background-position:200% 0}}.lib-type-search{flex:1 1 220px;display:flex;align-items:center;gap:8px;min-width:0;padding:0 10px;height:34px;border-radius:calc(var(--q-radius-sm) - 2px);background:var(--q-page-bg, var(--q-bg));border:1px solid color-mix(in srgb,var(--q-border) 80%,transparent);color:var(--q-muted)}.lib-type-search i{font-size:12px;opacity:.75}.lib-type-search-input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--q-text);font:inherit;font-size:13px;font-weight:650}.lib-type-tools{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.lib-type-select select{height:34px;border-radius:calc(var(--q-radius-sm) - 2px);border:1px solid var(--q-border);background:var(--q-surface);color:var(--q-text-secondary);font:inherit;font-size:12.5px;font-weight:700;padding:0 10px;cursor:pointer}.lib-type-view-toggle{display:inline-flex;border:1px solid var(--q-border);border-radius:calc(var(--q-radius-sm) - 2px);overflow:hidden;background:var(--q-surface)}.lib-type-view-btn{width:34px;height:34px;border:0;background:transparent;color:var(--q-muted);cursor:pointer;font-size:12px}.lib-type-view-btn.on{background:color-mix(in srgb,var(--q-primary) 16%,transparent);color:var(--q-text)}.lib-type-toolbar-count{font-size:11.5px;font-weight:800;color:var(--q-text-secondary);background:color-mix(in srgb,var(--q-primary) 14%,transparent);padding:5px 10px;border-radius:var(--q-radius-pill);white-space:nowrap}.lib-type-grid{margin:0;grid-template-columns:repeat(auto-fill,minmax(184px,1fr));gap:var(--q-space-4)}.lib-detail-list{display:flex;flex-direction:column;gap:10px}.lib-bottom-item .lib-nav-svg{width:20px;height:20px}.lib-detail-row{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:14px;align-items:center;padding:12px;border:1px solid var(--q-border);border-radius:var(--q-radius-sm);background:#fff;box-shadow:none;cursor:pointer;transition:transform var(--q-transition),box-shadow var(--q-transition),border-color var(--q-transition)}.lib-detail-row:hover{transform:translateY(-1px);box-shadow:var(--q-shadow-md);border-color:color-mix(in srgb,var(--q-primary) 28%,var(--q-border))}.lib-detail-thumb{width:88px;height:72px;border-radius:12px;object-fit:cover;display:block;background:var(--q-surface-secondary)}.lib-detail-thumb-fallback{display:grid;place-items:center;font-size:0;background:#f1f5f9;color:#fff}.lib-detail-main{min-width:0}.lib-detail-top{display:flex;flex-direction:column;gap:2px;margin-bottom:4px}.lib-detail-kind{font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted)}.lib-detail-title{margin:0;font-size:15px;font-weight:850;letter-spacing:-.02em;color:var(--q-text);line-height:1.3}.lib-detail-desc{margin:0 0 8px;font-size:12.5px;line-height:1.45;color:var(--q-text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-detail-actions{display:flex;flex-direction:column;gap:6px;min-width:104px}.lib-detail-actions .ex-cta,.lib-detail-actions .ex-cta-secondary{width:100%;margin:0;padding:8px 10px;font-size:12.5px}.lib-pager{display:flex;align-items:center;flex-wrap:nowrap;gap:4px;margin:0;padding:0}.lib-pager-inline{margin-left:2px;padding-left:8px;border-left:1px solid var(--q-border)}.lib-page-btn{min-width:30px;height:30px;padding:0 8px;border:1px solid var(--q-border);border-radius:8px;background:#fff;color:var(--q-text-secondary);font:inherit;font-size:12px;font-weight:750;cursor:pointer}.lib-page-btn.on{background:color-mix(in srgb,var(--q-mint, var(--q-primary)) 28%,transparent);border-color:transparent;color:var(--q-text)}.lib-page-btn:disabled{opacity:.4;cursor:not-allowed}.lib-page-ellipsis{color:var(--q-muted);font-weight:700;padding:0 2px}.lib-page-meta{display:none}@media(max-width:720px){.lib-detail-row{grid-template-columns:72px minmax(0,1fr)}.lib-detail-actions{grid-column:1 / -1;flex-direction:row}.lib-detail-thumb{width:72px;height:60px}}.lib-type-grid .ex-card.ex-card-catalog{border:1px solid color-mix(in srgb,var(--q-border) 88%,transparent);border-radius:16px;background:var(--q-surface);overflow:hidden;box-shadow:var(--lib-shadow-sm, 0 1px 2px rgba(15, 23, 42, .04));cursor:pointer;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}.lib-type-grid .ex-card.ex-card-catalog:hover{border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 32%,#e2e8f0);box-shadow:0 4px 6px #0f172a0a,0 14px 32px #0f172a17;transform:translateY(-3px)}.lib-type-grid .ex-card.ex-card-catalog.is-selected{border-color:color-mix(in srgb,var(--q-primary, #3b82f6) 45%,#e2e8f0);box-shadow:0 0 0 2px color-mix(in srgb,var(--q-primary, #3b82f6) 18%,transparent)}.lib-cat-cover{--thumb-accent: #94a3b8;position:relative;height:110px;display:grid;place-items:center;overflow:hidden;background:color-mix(in srgb,var(--q-border) 28%,var(--q-page-bg, #f8fafc));border-bottom:0;transition:background .22s ease}.lib-cat-cover--slide,.lib-cat-cover--quiz,.lib-cat-cover--proc{background:linear-gradient(135deg,var(--sc0, #1e3a8a),var(--sc1, #2563eb))}.lib-cat-cover__svg{position:absolute;inset:0;width:100%;height:100%;display:block}.lib-cat-cover__mono{position:relative;z-index:1;font-size:1.65rem;font-weight:850;letter-spacing:-.04em;color:#fff;text-shadow:0 2px 14px rgba(15,23,42,.28);line-height:1;pointer-events:none}.lib-cat-cover__mono--duo{font-size:1.35rem;letter-spacing:.02em}.lib-cat-cover--v1{background:color-mix(in srgb,var(--q-border) 22%,var(--q-page-bg, #f8fafc))}.lib-cat-cover--v2{background:color-mix(in srgb,var(--q-border) 32%,var(--q-page-bg, #f8fafc))}.lib-cat-cover--v3{background:color-mix(in srgb,var(--q-border) 18%,var(--q-surface, #fff))}.ex-card-catalog:hover .lib-cat-cover{background:color-mix(in srgb,var(--q-border) 38%,var(--q-page-bg, #f8fafc))}.lib-cat-cover__badge{display:none}.lib-cat-cover__mark{position:relative;z-index:1;display:grid;place-items:center;padding:6px}.lib-cat-cover .lib-mark{font-size:22px;color:#94a3b8;text-shadow:none;transition:color .22s ease}.lib-cat-cover .lib-mark--word{font-size:12px;font-weight:650;max-width:88%;text-align:center;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;word-break:normal}.ex-card-catalog:hover .lib-cat-cover .lib-mark{color:#64748b;transform:none;filter:none}.lib-cat-cover--img .ex-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .35s ease}.ex-card-catalog:hover .lib-cat-cover--img .ex-cover-img{transform:scale(1.05)}.lib-cat-cover--img:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,#ffffff14,#0f172a0f);pointer-events:none}.lib-type-grid .ex-card-catalog .ex-card-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px}.lib-type-grid .ex-card-catalog .ex-card-title{margin:0;font-size:14px;font-weight:800;line-height:1.35;letter-spacing:-.02em;color:#0f172a;-webkit-line-clamp:2;min-height:2.7em}.ex-card-catalog-kind{font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#94a3b8}.ex-card-catalog-meta{display:flex;flex-wrap:wrap;align-items:center;gap:5px;font-size:12px;font-weight:650;color:#64748b;line-height:1.3}.ex-card-catalog-dot{color:#cbd5e1;font-weight:700}.ex-cta-catalog{width:100%;margin-top:4px;min-height:36px;padding:8px 14px;border:1px solid color-mix(in srgb,var(--lib-brand, #d82b7d) 22%,transparent);border-radius:10px;font-size:13px;font-weight:800;letter-spacing:-.01em;background:color-mix(in srgb,var(--lib-brand, #d82b7d) 8%,#ffffff);color:var(--lib-brand-deep, #b91c6a);box-shadow:none;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}.ex-cta-catalog:hover{background:var(--lib-brand, #d82b7d);border-color:var(--lib-brand, #d82b7d);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--lib-brand, #d82b7d) 32%,transparent);transform:none;filter:none;text-decoration:none}.ex-cta-catalog.claimed{background:color-mix(in srgb,var(--q-success, #22c55e) 10%,#fff);border-color:color-mix(in srgb,var(--q-success, #22c55e) 28%,transparent);color:#15803d}.ex-cta-catalog.claimed:hover{background:var(--q-success, #22c55e);border-color:var(--q-success, #22c55e);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--q-success, #22c55e) 32%,transparent)}.ex-card-cta-row{margin-top:var(--q-space-2);width:100%}.ex-card-catalog-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:100%;margin-top:6px}.ex-card-cta-row .ex-cta,.ex-card-cta-row .ex-cta-secondary,.ex-card-cta-row .ex-cta-ghost{width:auto;margin-top:0}.ex-cta-catalog-play,.ex-cta-catalog-preview,.ex-cta-catalog-claim,.ex-cta-catalog-assign{min-height:34px;padding:7px 6px;font-size:12px;font-weight:800;border-radius:9px;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}.ex-cta-catalog-play{border:1px solid color-mix(in srgb,var(--lib-brand, #d82b7d) 28%,transparent);background:color-mix(in srgb,var(--lib-brand, #d82b7d) 10%,#fff);color:var(--lib-brand-deep, #b91c6a)}.ex-cta-catalog-play:hover{background:var(--lib-brand, #d82b7d);border-color:var(--lib-brand, #d82b7d);color:#fff}.ex-cta-catalog-preview{border:1px solid var(--q-border, #e2e8f0);background:#fff;color:var(--q-text-secondary, #334155)}.ex-cta-catalog-preview:hover{border-color:color-mix(in srgb,var(--q-primary, #3b82f6) 35%,#e2e8f0);color:var(--q-text, #0f172a);background:color-mix(in srgb,var(--q-primary, #3b82f6) 6%,#fff)}.ex-cta-ghost{border:1px solid #e2e8f0;background:#fff;color:#64748b;font-weight:750;cursor:pointer;transition:border-color .2s,color .2s,background .2s}.ex-cta-ghost:hover{border-color:#cbd5e1;color:#334155;background:#f8fafc}.ex-cta-catalog-claim{border:1px solid var(--q-border, #e2e8f0);background:transparent;color:var(--q-muted, #64748b)}.ex-cta-catalog-claim:hover,.ex-cta-catalog-claim.is-claimed,.ex-cta-catalog-unclaim{border-color:color-mix(in srgb,var(--q-success, #22c55e) 35%,transparent);color:#15803d;background:color-mix(in srgb,var(--q-success, #22c55e) 8%,#fff)}.ex-hit-actions{display:flex;flex-wrap:wrap;gap:6px;margin-left:auto;flex:0 0 auto}.ex-hit-actions .ex-btn{padding:7px 10px;font-size:12px}.ex-overlay-body kbd{display:inline-block;padding:1px 6px;border:1px solid var(--q-border, #e2e8f0);border-radius:6px;font-size:11px;font-weight:700;background:var(--q-page-bg, #f8fafc)}.lib-type-grid .ex-card-catalog.is-claimed{border-color:color-mix(in srgb,var(--q-success, #22c55e) 28%,#e2e8f0)}.lib-type-grid .ex-card-catalog.is-claimed .lib-cat-cover__badge:after{content:" \b7  \110\e3  l\1b0u";font-weight:700;letter-spacing:0;text-transform:none}.ex-card-dense .ex-card-cover{height:auto;font-size:inherit}.lib-section-count{font-size:12px;font-weight:800;color:var(--q-muted);background:var(--q-chip-bg);padding:var(--q-space-1) var(--q-space-3);border-radius:var(--q-radius-pill)}.ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--q-space-4)}.ex-grid .ex-card{flex:none;width:auto}.ex-card-actions{display:none!important}.ex-theme-grid,.ex-font-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--q-space-4)}.ex-theme-card,.ex-font-card{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius);overflow:hidden;box-shadow:var(--q-shadow-sm);text-align:left;cursor:pointer;transition:transform var(--q-transition),box-shadow var(--q-transition);padding:0;color:inherit;font:inherit}.ex-theme-card:hover,.ex-font-card:hover{transform:translateY(-4px);box-shadow:var(--q-shadow-hover)}.ex-theme-swatch{height:96px;display:grid;grid-template-columns:1.2fr 1fr .8fr}.ex-theme-swatch span{display:block;min-height:100%}.ex-theme-body{padding:var(--q-space-4)}.ex-theme-body h4{margin:0 0 var(--q-space-2);font-size:16px;font-weight:850}.ex-theme-body p{margin:0 0 var(--q-space-3);color:var(--q-muted);font-size:12.5px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.4em}.ex-font-card{padding:var(--q-space-5) var(--q-space-4)}.ex-font-sample{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:var(--q-space-3);line-height:1.25;color:var(--q-text)}.ex-font-name{font-size:14px;font-weight:850;margin-bottom:var(--q-space-1)}.ex-font-meta{font-size:12px;color:var(--q-muted);font-weight:650}.ex-overlay{position:fixed;inset:0;z-index:12000;background:color-mix(in srgb,#0f172a 45%,transparent);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:10vh var(--q-space-4) var(--q-space-6)}.ex-overlay.open{display:flex}.qm-play-mode{position:fixed;inset:0;z-index:14000;display:grid;place-items:center;padding:1.25rem;background:color-mix(in srgb,#0b1220 55%,transparent);backdrop-filter:blur(10px)}.qm-play-mode__panel{width:min(920px,100%);max-height:min(92vh,720px);overflow:auto;border-radius:20px;background:linear-gradient(165deg,#fff,#f4f7fb);border:1px solid color-mix(in srgb,var(--q-primary, #1045B0) 14%,transparent);box-shadow:0 24px 64px #0f172a47;padding:1.25rem 1.35rem 1.5rem}.qm-play-mode__head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.15rem}.qm-play-mode__eyebrow{margin:0 0 .2rem;font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--q-accent, #28C2D1)}.qm-play-mode__head h2{margin:0;font-size:1.45rem;line-height:1.2;color:var(--q-text)}.qm-play-mode__sub{margin:.35rem 0 0;color:var(--q-muted);font-size:.92rem}.qm-play-mode__close{flex:0 0 auto;width:2.25rem;height:2.25rem;border-radius:999px;border:1px solid var(--q-border);background:#fff;font-size:1.35rem;line-height:1;cursor:pointer;color:var(--q-muted)}.qm-play-mode__close:hover{color:var(--q-text)}.qm-play-mode__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem}.qm-play-mode__tile{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;min-height:11.5rem;padding:1.1rem 1rem;border-radius:16px;border:2px solid transparent;text-align:left;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;font:inherit;color:inherit}.qm-play-mode__tile:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 28px #0f172a1f}.qm-play-mode__tile:disabled{opacity:.45;cursor:not-allowed}.qm-play-mode__tile--quiz{background:linear-gradient(160deg,#eef4ff,#e0ecff);border-color:color-mix(in srgb,#2563eb 28%,transparent)}.qm-play-mode__tile--arena{background:linear-gradient(160deg,#04111f,#0a2744);border-color:color-mix(in srgb,#2ec8ff 45%,transparent);color:#f4f7fb}.qm-play-mode__tile--tycoon{background:linear-gradient(160deg,#fff7ed,#ffedd5);border-color:color-mix(in srgb,#ea580c 32%,transparent)}.qm-play-mode__kicker{font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;opacity:.75}.qm-play-mode__tile--arena .qm-play-mode__kicker{color:#7ddeff;opacity:1}.qm-play-mode__name{font-size:1.2rem;line-height:1.15}.qm-play-mode__blurb{margin-top:auto;font-size:.86rem;line-height:1.35;opacity:.88}@media(max-width:760px){.qm-play-mode__grid{grid-template-columns:1fr}.qm-play-mode__tile{min-height:0}}.ex-overlay-panel{width:min(720px,100%);background:var(--q-surface);border-radius:var(--q-radius);box-shadow:var(--q-shadow-lg);overflow:hidden;border:1px solid var(--q-border)}.ex-overlay-head{display:flex;align-items:center;gap:var(--q-space-3);padding:var(--q-space-4);border-bottom:1px solid var(--q-border)}.ex-overlay-head input{flex:1;border:0;outline:none;font-size:16px;font-weight:700;background:transparent;color:var(--q-text)}.ex-overlay-body{max-height:55vh;overflow:auto;padding:var(--q-space-3)}.ex-suggest-label{font-size:11px;font-weight:850;letter-spacing:.06em;text-transform:uppercase;color:var(--q-muted);padding:var(--q-space-2) var(--q-space-3) var(--q-space-2)}.ex-suggest{width:100%;border:0;background:transparent;text-align:left;padding:var(--q-space-3);border-radius:var(--q-radius-sm);cursor:pointer;font-weight:750;display:flex;align-items:center;gap:var(--q-space-3);color:var(--q-text)}.ex-suggest:hover,.ex-suggest.active{background:var(--q-chip-bg)}.ex-hit{display:grid;grid-template-columns:42px 1fr auto;gap:var(--q-space-3);align-items:center;padding:var(--q-space-3);border-radius:var(--q-radius-sm);cursor:pointer}.ex-hit:hover{background:var(--q-surface-secondary)}.ex-hit .ic{width:42px;height:42px;border-radius:var(--q-radius-sm);display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--ca, var(--q-primary)),var(--cb, var(--q-secondary)))}.ex-hit .t{font-weight:850;font-size:14px}.ex-hit .s{color:var(--q-muted);font-size:12px;font-weight:650}body.ex-on-wizard{--wiz-ink: var(--q-text);--wiz-ink-soft: var(--q-text-secondary);--wiz-accent: var(--q-primary);--wiz-muted: var(--q-muted);--wiz-line: var(--q-border);--wiz-card: var(--q-surface);--wiz-bg: var(--q-bg);--wiz-shadow: var(--q-shadow-md);--wiz-shadow-lg: var(--q-shadow-lg);overflow-x:hidden;padding-top:0!important;background:var(--wiz-bg);color:var(--wiz-ink)}body.ex-on-wizard #lab-header,body.ex-on-wizard #qmf-header,body.ex-on-wizard .qmf-header,body.ex-on-wizard [data-qmf-header],body.ex-on-wizard .lab-header{display:none!important}body.ex-on-wizard #exploreRoot{min-height:100vh}.ex-wizard{position:relative;min-height:100vh;display:flex;flex-direction:column;padding:0;overflow:hidden}.ex-wizard-bg{position:absolute;inset:0;pointer-events:none;z-index:0;background:var(--q-hero-gradient)}.ex-wiz-deco{position:absolute;opacity:.18;background-size:contain;background-repeat:no-repeat}.ex-wiz-deco-l{left:-40px;bottom:80px;width:min(280px,34vw);height:min(320px,40vh);background-image:radial-gradient(circle at 30% 40%,color-mix(in srgb,var(--q-primary) 28%,transparent) 0 28%,transparent 30%),radial-gradient(circle at 62% 58%,color-mix(in srgb,var(--q-secondary) 22%,transparent) 0 22%,transparent 24%)}.ex-wiz-deco-r{right:-20px;top:90px;width:min(260px,32vw);height:min(300px,38vh);background-image:linear-gradient(135deg,color-mix(in srgb,var(--q-primary) 10%,transparent) 0 40%,transparent 42%);border-radius:var(--q-radius-sm);mask-image:linear-gradient(225deg,#000 20%,transparent 85%)}.ex-wiz-top{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:var(--q-space-5) var(--q-space-6) var(--q-space-2)}.ex-wiz-brand{display:inline-flex;align-items:center;gap:var(--q-space-3);font-weight:850;font-size:15px;color:var(--wiz-ink)}.ex-wiz-brand i{width:34px;height:34px;border-radius:var(--qmf-radius-xl, .75rem);display:grid;place-items:center;background:var(--q-primary-soft);color:var(--wiz-accent)}.ex-wiz-lang{border:1px solid var(--wiz-line);background:var(--wiz-card);border-radius:var(--q-radius-pill);padding:var(--q-space-2) var(--q-space-4);font-weight:750;font-size:13px;color:var(--wiz-ink-soft);cursor:pointer;display:inline-flex;align-items:center;gap:var(--q-space-2);box-shadow:var(--q-shadow-sm);transition:transform var(--q-transition),box-shadow var(--q-transition)}.ex-wiz-lang:hover{transform:translateY(-1px);box-shadow:var(--wiz-shadow)}.ex-wizard-inner{position:relative;z-index:1;width:min(980px,100%);margin:auto;padding:var(--q-space-3) var(--q-space-6) var(--q-space-6);animation:exWizardIn .45s cubic-bezier(.22,1,.36,1) both}.ex-wizard-inner[data-step="2"]{animation-name:exWizardInRight}@keyframes exWizardIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes exWizardInRight{0%{opacity:0;transform:translate(28px)}to{opacity:1;transform:none}}.ex-wizard-inner.ex-step-out-left{animation:exStepOutLeft .22s ease forwards}.ex-wizard-inner.ex-step-out-right{animation:exStepOutRight .22s ease forwards}@keyframes exStepOutLeft{to{opacity:0;transform:translate(-36px)}}@keyframes exStepOutRight{to{opacity:0;transform:translate(36px)}}body.ex-wizard-leaving .ex-wizard-inner{animation:exWizardOut .32s ease forwards}@keyframes exWizardOut{to{opacity:0;transform:translateY(-10px) scale(.985)}}.ex-step-pills{display:inline-flex;align-items:center;gap:var(--q-space-3);margin-bottom:var(--q-space-4);color:var(--wiz-muted);font-weight:800}.ex-step-pills>span{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:900;background:var(--q-primary-soft);color:var(--wiz-muted)}.ex-step-pills>i{font-style:normal;font-weight:700;opacity:.45;font-size:14px}.ex-step-pills>span.on{background:var(--wiz-accent);color:#fff;box-shadow:var(--q-shadow-md)}.ex-step-pills>span.done{background:var(--q-secondary);color:#fff;font-size:11px}.ex-wizard-hero{text-align:center;margin-bottom:var(--q-space-6)}.ex-wizard-hero-badge{width:56px;height:56px;margin:0 auto var(--q-space-3);border-radius:50%;display:grid;place-items:center;background:var(--q-primary-soft);color:var(--wiz-accent);box-shadow:var(--q-shadow-sm);animation:exWave 1.6s ease-in-out infinite;transform-origin:70% 70%}.ex-wizard-hero-badge .lib-ic{width:28px;height:28px}.ex-wizard-wave{font-size:48px;line-height:1;margin-bottom:var(--q-space-2);display:inline-block;animation:exWave 1.6s ease-in-out infinite;transform-origin:70% 70%}@keyframes exWave{0%,60%,to{transform:rotate(0)}15%{transform:rotate(14deg)}30%{transform:rotate(-6deg)}45%{transform:rotate(10deg)}}.ex-wizard-hero h1{margin:0 0 var(--q-space-3);font-size:clamp(30px,4.2vw,44px);font-weight:900;letter-spacing:-.035em;line-height:1.12;color:var(--wiz-ink)}.ex-wizard-hero p{margin:0 auto;max-width:34rem;color:var(--wiz-muted);font-weight:600;font-size:16px;line-height:1.5}.ex-wizard-hero strong{color:var(--wiz-ink);font-weight:850}.ex-wizard-block{margin-bottom:var(--q-space-6)}.ex-role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--q-space-4)}.ex-role-card,.ex-topic-card{--rx: 0deg;--ry: 0deg;--mx: 50%;--my: 50%;position:relative;border:1px solid var(--wiz-line);background:var(--wiz-card);border-radius:var(--q-radius);padding:var(--q-space-5);cursor:pointer;overflow:hidden;box-shadow:var(--wiz-shadow);color:var(--wiz-ink);transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform var(--q-transition),box-shadow var(--q-transition),border-color var(--q-transition),background var(--q-transition);animation:exCardIn .5s cubic-bezier(.22,1,.36,1) both;animation-delay:calc(var(--i, 0) * 70ms);text-align:left;font:inherit}.ex-role-card{display:flex;flex-direction:column;align-items:flex-start;min-height:0;gap:var(--q-space-3)}.ex-role-card:before,.ex-topic-card:before{content:"";position:absolute;inset:0;background:radial-gradient(380px circle at var(--mx) var(--my),color-mix(in srgb,var(--q-primary) 12%,transparent),transparent 46%);opacity:0;transition:opacity var(--q-transition);pointer-events:none}.ex-role-card:hover,.ex-topic-card:hover{transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px) scale(1.015);box-shadow:var(--wiz-shadow-lg);border-color:color-mix(in srgb,var(--q-primary) 28%,var(--q-border))}.ex-role-card:hover:before,.ex-topic-card:hover:before{opacity:1}.ex-role-card.on,.ex-topic-card.on{border-color:color-mix(in srgb,var(--role-accent, var(--q-primary)) 42%,var(--q-border));background:linear-gradient(180deg,color-mix(in srgb,var(--role-accent, var(--q-primary)) 10%,var(--q-surface)),var(--q-surface) 62%);box-shadow:var(--q-shadow-lg)}.ex-role-card.on .ex-role-icon,.ex-topic-card.on .ex-topic-icon{background:color-mix(in srgb,var(--role-accent, var(--q-primary)) 18%,transparent);color:var(--role-accent, var(--q-primary))}.ex-role-card.pop,.ex-topic-card.pop{animation:exPop .28s cubic-bezier(.22,1,.36,1)}@keyframes exPop{0%{transform:scale(1)}45%{transform:scale(1.035)}to{transform:scale(1)}}@keyframes exCardIn{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}.ex-role-icon,.ex-topic-icon{flex-shrink:0;width:48px;height:48px;border-radius:var(--q-radius-sm, 12px);display:grid;place-items:center;background:color-mix(in srgb,var(--role-accent, var(--q-primary)) 12%,transparent);color:var(--role-accent, var(--q-primary));transition:transform var(--q-transition),background var(--q-transition),color var(--q-transition)}.ex-role-icon .lib-ic,.ex-topic-icon .lib-ic{width:26px;height:26px}.ex-role-card:hover .ex-role-icon,.ex-topic-card:hover .ex-topic-icon{transform:scale(1.06)}.ex-role-body{flex:1;min-width:0}.ex-role-label{font-size:18px;font-weight:900;letter-spacing:-.02em;margin-bottom:var(--q-space-1)}.ex-role-desc{color:var(--wiz-muted);font-weight:600;font-size:13px;line-height:1.45}.ex-role-emoji{font-size:46px;line-height:1;margin-bottom:var(--q-space-4)}.ex-role-card:hover .ex-role-emoji{transform:scale(1.1) rotate(-3deg)}.ex-role-check,.ex-topic-check{position:absolute;top:var(--q-space-4);right:var(--q-space-4);width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--wiz-accent);color:#fff;font-size:12px;opacity:0;transform:scale(.6);transition:var(--q-transition)}.ex-role-card.on .ex-role-check,.ex-topic-card.on .ex-topic-check{opacity:1;transform:scale(1)}.ex-topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-4)}.ex-topic-card{min-height:112px;padding:var(--q-space-4);border-radius:var(--q-radius);animation-delay:calc(.1s + var(--i, 0) * 40ms);display:flex;flex-direction:column;align-items:flex-start;gap:var(--q-space-2)}.ex-topic-icon{--role-accent: var(--q-primary);width:40px;height:40px;border-radius:10px}.ex-topic-icon .lib-ic{width:22px;height:22px}.ex-topic-emoji{font-size:34px;line-height:1;margin-bottom:var(--q-space-3)}.ex-topic-label{font-size:14px;font-weight:850;letter-spacing:-.01em;line-height:1.3}.ex-wizard-actions{display:flex;gap:var(--q-space-3);justify-content:center;flex-wrap:wrap}.ex-wiz-foot{position:relative;z-index:2;margin-top:auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-2);padding:var(--q-space-4) var(--q-space-5);border-top:1px solid var(--wiz-line);background:var(--q-glass);backdrop-filter:blur(8px)}.ex-wiz-foot-item{display:flex;align-items:center;justify-content:center;gap:var(--q-space-2);color:var(--wiz-muted);font-size:12.5px;font-weight:700;padding:var(--q-space-2) var(--q-space-1);white-space:nowrap}.ex-wiz-foot-item i{color:var(--wiz-accent);font-size:13px;opacity:.85}@media(min-width:1440px){.lib-main-page,.lib-shell-home .lib-main-home{padding-left:var(--q-space-8);padding-right:var(--q-space-8)}}@media(max-width:1200px){.lib-shell-with-panel .lib-content{grid-template-columns:minmax(0,1fr)}.lib-panel,.lib-panel-show{display:none}}@media(max-width:960px){.lib-shell,.ex-shell{display:block}.lib-sidebar,.ex-sidebar{display:none}.lib-content{margin-left:0}.lib-bottom-nav{display:grid}.lib-main-page,.lib-main,.ex-main{padding:var(--q-space-4) var(--q-space-4) calc(88px + env(safe-area-inset-bottom,0px))}.lib-main:has(.lib-type-layout),.lib-main-page:has(.lib-page--type){padding-left:var(--q-space-4);padding-right:var(--q-space-4)}.lib-type-layout{grid-template-columns:1fr;gap:var(--q-space-3)}.lib-type-layout--preview{grid-template-columns:1fr}.lib-inline-preview{position:static;max-height:none;overflow:visible;border-left:1px solid var(--q-border, #e5e7eb);order:3}.lib-inline-preview__scroll{overflow:visible}.lib-inline-preview__stage{max-height:none}.lib-type-rail{position:static;max-height:none;border-radius:0;border:0;padding:var(--q-space-2) 0}.lib-type-bridge{display:none}.lib-type-body{padding-left:0}.lib-type-cats{position:static;max-height:none;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:var(--q-space-2);padding:0;-webkit-overflow-scrolling:touch}.lib-type-cat{flex:0 0 auto;width:auto}.lib-type-toolbar{flex-direction:column;align-items:stretch}.lib-type-tools{justify-content:flex-start}.lib-hero{min-height:220px;border-radius:var(--q-radius)}.ex-recs-row{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.ex-recs-row{grid-template-columns:1fr}.lib-hero-logo{width:72px;height:72px}.ex-role-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}.ex-topic-grid,.ex-wiz-foot{grid-template-columns:repeat(2,minmax(0,1fr))}.ex-collections-banner{flex-direction:column;align-items:flex-start}}@media(max-width:560px){.ex-wiz-top{padding:var(--q-space-4) var(--q-space-4) var(--q-space-1)}.ex-wizard-inner{padding:var(--q-space-2) var(--q-space-4) var(--q-space-6);width:100%}.ex-wizard-hero h1{font-size:28px}.ex-btn-lg{width:100%;max-width:320px;justify-content:center}.ex-wiz-deco{display:none}}@media(prefers-reduced-motion:reduce){.lib-hero-orb,.lib-hero-ring,.lib-hero-logo,.lib-search-glass,.ex-wizard-wave,.ex-wizard-hero-badge,.ex-role-card,.ex-topic-card,.ex-wizard-inner,.lib-type-bridge-flow,.lib-type-toolbar:before{animation:none!important}.ex-role-card,.ex-topic-card{transform:none!important}}[data-lib-theme=tropical] .lab-header{background:#fff!important;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom-color:#0f172a14!important;box-shadow:none!important}[data-lib-theme=tropical] .lab-header:after{background:linear-gradient(90deg,transparent 0%,rgba(249,115,22,.45) 18%,rgba(163,230,53,.4) 42%,rgba(103,232,249,.5) 68%,rgba(110,231,183,.28) 88%,transparent 100%)!important}[data-lib-theme=tropical] .lib-sidebar{background:#fff;border-right-color:#0f172a14}[data-lib-theme=tropical] .lib-shell:has(.lib-type-layout) .lib-sidebar,[data-lib-theme=tropical] .lib-shell:has(.lib-type-layout) .lib-content,[data-lib-theme=tropical] .lib-type-rail{background:var(--q-page-bg, #f8fafc);border-color:transparent}[data-lib-theme=tropical] .lib-nav-item.active{background:linear-gradient(120deg,#f97316,#fb923c 55%,#fdba74);color:#fff;box-shadow:0 8px 22px #f9731647}[data-lib-theme=tropical] .lib-type-cat.on{background:transparent;color:#0b3d4f;font-weight:650;box-shadow:none}[data-lib-theme=tropical] .lib-type-cat.on .lib-type-cat-count{background:transparent;color:#0e7490;opacity:1}[data-lib-theme=tropical] .lib-type-toolbar,[data-lib-theme=tropical] .lib-main,[data-lib-theme=tropical] .lib-type-body,[data-lib-theme=tropical] .lib-type-layout{background:transparent}[data-lib-theme=tropical] .lib-type-toolbar{border-color:#0f172a14}[data-lib-theme=tropical] .lib-type-search{background:#fff;border-color:#0f172a14}[data-lib-theme=tropical] .lib-type-view-btn.on{background:#67e8f92e;color:#0b3d4f}[data-lib-theme=tropical] .ex-card,[data-lib-theme=tropical] .lib-detail-row,[data-lib-theme=tropical] .lib-section-surface{background:#fff;border-color:#0f172a14;box-shadow:none}[data-lib-theme=tropical] .lib-panel-block{border:0;background:transparent;box-shadow:none}[data-lib-theme=tropical] .ex-card-dense{border-radius:18px}[data-lib-theme=tropical] .ex-card-body,[data-lib-theme=tropical] .ex-card-v0,[data-lib-theme=tropical] .ex-card-v1,[data-lib-theme=tropical] .ex-card-v2,[data-lib-theme=tropical] .ex-card-v3{background:#fff}[data-lib-theme=tropical] .ex-cta:focus-visible{outline:2px solid rgba(103,232,249,.75);outline-offset:2px;box-shadow:0 0 0 4px #67e8f938}[data-lib-theme=tropical] .lib-type-layout{gap:0}[data-lib-theme=tropical] .lib-type-bridge-flow{background:linear-gradient(180deg,#f97316,#6ee7b7,#67e8f9)}[data-lib-scheme=dark] .ex-card-body{background:linear-gradient(180deg,color-mix(in srgb,var(--q-surface) 92%,transparent),var(--q-surface))}[data-lib-scheme=dark] .ex-chip-mint{color:#a7f3d0}[data-lib-scheme=dark] .ex-chip-lime{color:#d9f99d}[data-lib-scheme=dark] .ex-chip-orange{color:#fdba74}[data-lib-scheme=dark] .ex-chip-cyan{color:#a5f3fc}html[data-theme=dark] .lib-sidebar,html[data-theme=dark] .lib-panel,html[data-theme=dark] .lib-hero-wg,html[data-theme=dark] .lib-search-bar,html[data-theme=dark] .lib-hero-chip,html[data-theme=dark] .ex-card,html[data-theme=dark] .lib-card,html[data-theme=dark] .lib-cont-chip,html[data-theme=dark] .lib-cont-item,html[data-theme=dark] .lib-section-surface,html[data-theme=dark] .lib-type-toolbar,html[data-theme=dark] .lib-rec-line,html[data-theme=dark] .lib-rec-item,html[data-theme=dark] .lib-rec-setting select{background:var(--q-surface);border-color:var(--q-border);color:var(--q-text)}html[data-theme=dark] .lib-search-bar.lib-search-bar--hero{background:linear-gradient(var(--q-surface),var(--q-surface)) padding-box,linear-gradient(90deg,#e75b45,#e9ad52,#27958e,#5b5ceb 42%,#7258c5 57%,#ed6670,#6366f1 85%,#e75b45) border-box;border-color:transparent}html[data-theme=dark] .lib-shell:has(.lib-type-layout),html[data-theme=dark] .lib-shell:has(.lib-type-layout) .lib-sidebar,html[data-theme=dark] .lib-shell:has(.lib-type-layout) .lib-content,html[data-theme=dark] .lib-main:has(.lib-type-layout),html[data-theme=dark] .lib-type-layout,html[data-theme=dark] .lib-type-rail{background:var(--q-page-bg, var(--q-bg))}html[data-theme=dark] .lib-hero-wg{background:linear-gradient(180deg,color-mix(in srgb,var(--lib-brand) 12%,transparent) 0%,transparent 72%)}html[data-theme=dark] .lib-nav-item.active{color:var(--q-text)}html[data-theme=dark] .lib-mark{color:#fff}html[data-theme=dark] .ex-card.has-thumb .ex-card-cover{background:color-mix(in srgb,var(--q-border) 65%,var(--q-surface))}html[data-theme=dark] .lib-cont-item__go{background:color-mix(in srgb,var(--q-primary) 18%,transparent)}.ex-quiz-detail{display:grid;gap:16px;align-items:start}@media(min-width:1100px){.ex-quiz-detail{grid-template-columns:minmax(300px,.95fr) minmax(340px,1.05fr);gap:18px}.ex-quiz-detail__preview{position:sticky;top:16px}}.ex-quiz-detail__left{padding:0;overflow:hidden;display:flex;flex-direction:column;min-width:0}.ex-quiz-detail__info{display:flex;flex-direction:column;border-bottom:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 80%,transparent)}.ex-quiz-detail__cover{min-height:72px;height:72px;border-radius:0}.ex-quiz-detail__cover .ex-cover-img{width:100%;height:72px;object-fit:cover;display:block}.ex-quiz-detail__cover .lib-mark,.ex-quiz-detail__cover .ex-letter-mark{transform:scale(.72)}.ex-quiz-detail__body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px}.ex-quiz-detail__eyebrow{font-size:12px}.ex-quiz-detail__title{margin:0;line-height:1.25;font-size:clamp(1.15rem,1.6vw,1.45rem)}.ex-quiz-detail__desc{margin:0;max-width:42rem;font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ex-quiz-detail__meta{margin-top:2px}.ex-quiz-detail__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;padding-top:0;align-items:center}.ex-quiz-detail__theme{display:flex;flex-direction:column;gap:6px;margin-top:4px;font-size:12px;color:var(--q-muted, #64748b);font-weight:650}.ex-quiz-detail__theme select{width:auto;max-width:100%;min-width:11rem;align-self:flex-start;border:1px solid var(--q-border, #e5e7eb);border-radius:10px;padding:7px 10px;background:var(--q-surface, #fff);color:var(--q-text, #0f172a);font-size:13px;font-weight:600}.ex-quiz-detail__play.ex-cta,.ex-quiz-detail__btn.ex-cta-secondary{width:auto;min-width:0;margin-top:0;padding:8px 14px;font-size:13px;min-height:36px;flex:0 0 auto}.ex-quiz-detail__preview{padding:0;overflow:hidden;display:flex;flex-direction:column;min-height:340px}.ex-quiz-detail__preview-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;border-bottom:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 80%,transparent)}.ex-quiz-detail__preview-head strong{font-size:13px;letter-spacing:.04em;text-transform:uppercase}.ex-quiz-detail__preview-head span{font-size:12px;color:var(--q-muted, #64748b)}.ex-quiz-detail__preview-mount{flex:1;min-height:300px;position:relative}.ex-quiz-detail__preview-skel{padding:22px 20px;height:100%;box-sizing:border-box}.ex-quiz-detail__content{padding:0;overflow:hidden}.ex-quiz-detail__content-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px 8px}.ex-quiz-detail__content-head strong{font-size:13px;letter-spacing:.02em}.ex-quiz-detail__content-head span{font-size:12px;color:var(--q-muted, #64748b)}.ex-quiz-detail__content-mount{padding:0 0 8px}.ex-quiz-body__list{display:flex;flex-direction:column}.ex-quiz-body__item{padding:12px 16px 14px;border-top:1px solid color-mix(in srgb,var(--q-border, #e5e7eb) 70%,transparent)}.ex-quiz-body__q{margin:0 0 8px;font-size:14px;font-weight:650;line-height:1.45;color:var(--q-text, #0f172a)}.ex-quiz-body__q span{font-weight:550}.ex-quiz-body__opts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.ex-quiz-body__opts li{display:flex;gap:8px;align-items:flex-start;font-size:13px;line-height:1.4;color:var(--q-text, #0f172a)}.ex-quiz-body__opt-key{flex:0 0 1.25rem;font-weight:700;color:var(--q-muted, #64748b)}.ex-quiz-body__opt-label{min-width:0}.ex-quiz-body__opts-empty{margin:0;font-size:12px;color:var(--q-muted, #64748b)}.ex-quiz-body__loading,.ex-quiz-body__empty{padding:16px}.ex-skel-line{height:14px;border-radius:999px;background:linear-gradient(90deg,#e5e7eb,#f3f4f6,#e5e7eb);background-size:200% 100%;animation:exSkel 1.2s ease-in-out infinite;margin-bottom:12px}.ex-skel-line--short{width:46%}.ex-skel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}.ex-skel-grid span{height:64px;border-radius:14px;background:linear-gradient(90deg,#e5e7eb,#f3f4f6,#e5e7eb);background-size:200% 100%;animation:exSkel 1.2s ease-in-out infinite}@keyframes exSkel{0%{background-position:100% 0}to{background-position:-100% 0}}.qe-prev{height:auto;min-height:280px;color:var(--qe-text, #f1f8e9);display:flex;flex-direction:column;padding:16px 16px 14px;box-sizing:border-box}.lib-inline-preview .qe-prev{min-height:240px}.qe-prev__chrome{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.qe-prev__badge{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:color-mix(in srgb,#fff 16%,transparent);border:1px solid color-mix(in srgb,#fff 22%,transparent)}.qe-prev__badge--soft{opacity:.85;font-weight:600}.qe-prev__stage{flex:1;display:flex;flex-direction:column;gap:16px;justify-content:center}.qe-prev__qcard{background:color-mix(in srgb,var(--qe-card, #143028) 92%,#000);border:1px solid color-mix(in srgb,#fff 12%,transparent);border-radius:18px;padding:18px 20px;box-shadow:0 18px 40px #00000047}.qe-prev__qmeta{font-size:12px;opacity:.75;margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}.qe-prev__prompt{margin:0;font-size:clamp(1.15rem,1.8vw,1.55rem);line-height:1.25;font-weight:800;color:var(--qe-primary, #e8f5e9)}.qe-prev__answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qe-prev__ans{min-height:64px;border-radius:16px;display:flex;align-items:center;gap:12px;padding:12px 14px;color:#fff;box-shadow:0 10px 24px #00000038;border:1px solid color-mix(in srgb,#fff 16%,transparent)}.qe-prev__key{width:28px;height:28px;border-radius:999px;display:grid;place-items:center;font-weight:800;background:color-mix(in srgb,#000 28%,transparent);flex:0 0 auto}.qe-prev__label{font-weight:700;font-size:14px;line-height:1.25}.qe-prev__foot{margin-top:14px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;opacity:.85}.qe-prev__play{color:#fff;font-weight:700;text-decoration:none;background:var(--qe-cta, #e53935);padding:8px 12px;border-radius:10px}.qe-prev__play:hover{filter:brightness(1.08)}@media(max-width:640px){.qe-prev__answers{grid-template-columns:1fr}}.lib-slide-prev{height:100%;min-height:360px;color:var(--sp-text, #0f172a);display:flex;flex-direction:column;padding:16px;box-sizing:border-box}.lib-slide-prev__chrome{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.lib-slide-prev__badge{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:color-mix(in srgb,var(--sp-accent, #2563eb) 12%,#fff);color:var(--sp-accent, #2563eb)}.lib-slide-prev__canvas{flex:1;display:grid;place-items:center}.lib-slide-prev__page{width:min(100%,520px);aspect-ratio:16 / 10;background:var(--sp-card, #fff);border-radius:18px;box-shadow:0 18px 40px #0f172a1f;border:1px solid color-mix(in srgb,#0f172a 8%,transparent);padding:22px 24px;overflow:hidden}.lib-slide-prev__meta{font-size:11px;color:var(--sp-muted, #64748b);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}.lib-slide-prev__title{margin:0 0 12px;font-size:clamp(1.2rem,2vw,1.6rem);line-height:1.2}.lib-slide-prev__p{margin:0 0 8px;color:var(--sp-muted, #64748b);line-height:1.45}.lib-slide-prev__muted{opacity:.75;font-style:italic}.lib-slide-prev__bullets{margin:0;padding-left:1.1rem;color:var(--sp-muted, #64748b);line-height:1.45}.lib-slide-prev__foot{margin-top:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--sp-muted, #64748b)}.lib-slide-prev__play{color:#fff;font-weight:700;text-decoration:none;background:var(--sp-accent, #2563eb);padding:8px 12px;border-radius:10px}.lib-catalog-admin__grid{display:grid;grid-template-columns:180px minmax(0,1fr);gap:var(--q-space-4);margin-top:var(--q-space-4)}.lib-catalog-admin__cats{display:flex;flex-direction:column;gap:6px}.lib-catalog-admin__cat{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-sm);padding:8px 10px;text-align:left;font-weight:700;font-size:.82rem;cursor:pointer;color:var(--q-text)}.lib-catalog-admin__cat.on{border-color:color-mix(in srgb,var(--q-primary) 40%,var(--q-border));background:var(--q-primary-soft);color:var(--q-primary)}.lib-catalog-admin__main{border:1px solid var(--q-border);border-radius:var(--q-radius);background:var(--q-surface);padding:var(--q-space-4)}.lib-catalog-admin__list-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--q-space-3);font-size:.88rem}.lib-catalog-admin__list{list-style:none;margin:0 0 var(--q-space-4);padding:0;display:grid;gap:6px}.lib-catalog-admin__row{display:grid;grid-template-columns:28px minmax(0,1fr) auto auto;gap:8px;align-items:center;padding:8px 10px;border:1px solid color-mix(in srgb,var(--q-border) 80%,transparent);border-radius:10px;background:var(--q-surface-secondary, var(--q-bg))}.lib-catalog-admin__ord{font-weight:800;color:var(--q-muted);font-size:.75rem}.lib-catalog-admin__title{font-weight:700;font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-catalog-admin__type{font-size:.72rem;color:var(--q-muted);font-weight:700}.lib-catalog-admin__actions{display:flex;gap:4px}.lib-catalog-admin__btn{width:28px;height:28px;border:1px solid var(--q-border);border-radius:8px;background:var(--q-surface);cursor:pointer;font-weight:800;line-height:1}.lib-catalog-admin__btn:disabled{opacity:.35;cursor:not-allowed}.lib-catalog-admin__btn--danger{color:var(--q-danger, #ef4444)}.lib-catalog-admin__empty{padding:12px;color:var(--q-muted);font-size:.85rem}.lib-catalog-admin__label{display:block;font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--q-muted);margin-bottom:6px}.lib-catalog-admin__search-row{display:flex;gap:8px;margin-bottom:8px}.lib-catalog-admin__search{flex:1;min-width:0;height:38px;border:1px solid var(--q-border);border-radius:10px;padding:0 12px;font:inherit;background:var(--q-surface);color:var(--q-text)}.lib-catalog-admin__hits{display:grid;gap:6px;margin-bottom:12px;max-height:200px;overflow-y:auto}.lib-catalog-admin__hit{display:flex;justify-content:space-between;gap:8px;align-items:center;border:1px dashed var(--q-border);border-radius:10px;padding:8px 10px;background:transparent;cursor:pointer;text-align:left;font:inherit;color:inherit}.lib-catalog-admin__hit small{color:var(--q-muted);font-weight:700}.lib-catalog-admin__chips{display:flex;flex-wrap:wrap;gap:6px}.lib-catalog-admin__chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--q-border);border-radius:999px;font-size:.78rem;font-weight:700;cursor:pointer}.lib-catalog-admin__chip.on{border-color:color-mix(in srgb,var(--q-primary) 35%,var(--q-border));background:var(--q-primary-soft)}.lib-catalog-admin__chip input{accent-color:var(--q-primary)}.lib-catalog-admin__hint{margin:8px 0 0;font-size:.75rem;color:var(--q-muted)}@media(max-width:720px){.lib-catalog-admin__grid{grid-template-columns:1fr}.lib-catalog-admin__cats{flex-direction:row;flex-wrap:wrap}}.lib-pref-row{display:flex;flex-wrap:wrap;gap:8px}.lib-pref-chip{min-height:40px;padding:8px 16px;border:1px solid var(--q-border, #e2e8f0);border-radius:10px;background:#fff;color:var(--q-text-secondary, #334155);font-size:13px;font-weight:800;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.lib-pref-chip:hover{border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 35%,#e2e8f0)}.lib-pref-chip.is-active{background:color-mix(in srgb,var(--lib-brand, #d82b7d) 10%,#fff);border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 40%,transparent);color:var(--lib-brand-deep, #b91c6a)}.lib-pref-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.lib-pref-mode{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;min-height:76px;padding:12px 14px;border:1px solid var(--q-border, #e2e8f0);border-radius:12px;background:#fff;cursor:pointer;color:inherit;transition:background .15s ease,border-color .15s ease}.lib-pref-mode strong{font-size:14px;font-weight:850;color:var(--q-text, #0f172a)}.lib-pref-mode span{font-size:12px;font-weight:650;color:var(--q-muted, #64748b);line-height:1.35}.lib-pref-mode:hover{border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 35%,#e2e8f0)}.lib-pref-mode.is-active{background:color-mix(in srgb,var(--lib-brand, #d82b7d) 8%,#fff);border-color:color-mix(in srgb,var(--lib-brand, #d82b7d) 42%,transparent)}.lib-pref-mode.is-active strong{color:var(--lib-brand-deep, #b91c6a)}@media(max-width:720px){.lib-pref-modes{grid-template-columns:1fr}}.lib-hero-discover{position:relative;padding:var(--q-space-4) 0 var(--q-space-3);margin-bottom:var(--q-space-5);min-height:0;max-height:none;background:transparent;border:0;box-shadow:none}.lib-hero-badge{display:inline-block;font-size:.65rem;font-weight:850;letter-spacing:.04em;text-transform:uppercase;padding:.2rem .55rem;border-radius:var(--q-radius-pill);background:color-mix(in srgb,var(--q-lib-accent, #db2777) 12%,#fff);color:var(--q-lib-accent, #db2777);margin-bottom:var(--q-space-2)}.lib-hero-discover__title{margin:0 0 .35rem;font-size:clamp(1.45rem,2.5vw,1.85rem);font-weight:900;letter-spacing:-.02em}.lib-hero-discover__sub{margin:0 0 var(--q-space-4);color:var(--q-text-secondary);font-size:.92rem;font-weight:650;max-width:36rem}.lib-search-bar--hero{max-width:100%;position:relative;border:2px solid transparent;border-radius:var(--q-radius-pill);box-shadow:var(--q-shadow-sm);background:linear-gradient(var(--q-surface),var(--q-surface)) padding-box,linear-gradient(90deg,#e75b45,#e9ad52,#27958e,#5b5ceb 42%,#7258c5 57%,#ed6670,#6366f1 85%,#e75b45) border-box;background-size:100% 100%,280% 100%;background-origin:padding-box,border-box;background-clip:padding-box,border-box;animation:lib-search-rainbow-border 14s linear infinite}.lib-search-bar--hero:focus-within{animation-duration:8s;box-shadow:0 0 0 1px color-mix(in srgb,#5B5CEB 25%,transparent),0 8px 28px color-mix(in srgb,#7258C5 18%,transparent),0 4px 16px color-mix(in srgb,#E75B45 12%,transparent)}@keyframes lib-search-rainbow-border{to{background-position:0 0,100% 0}}@media(prefers-reduced-motion:reduce){.lib-search-bar--hero{animation:none;background-size:100% 100%,100% 100%}}.lib-search-bar__btn--go{background:var(--q-lib-accent, #db2777)!important;color:#fff!important;border-radius:999px;margin-right:4px}.lib-hero-quick{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:var(--q-space-3)}.lib-hero-quick-pill{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-pill);padding:.3rem .75rem;font:inherit;font-size:.78rem;font-weight:750;color:var(--q-text-secondary);cursor:pointer}.lib-hero-quick-pill:hover{border-color:color-mix(in srgb,var(--q-lib-accent, #db2777) 40%,var(--q-border));color:var(--q-text)}.lib-section--bare{margin-bottom:var(--q-space-6)}.lib-section-head--bare{display:flex;align-items:baseline;justify-content:space-between;gap:var(--q-space-3);margin-bottom:var(--q-space-3)}.lib-section--bare .lib-section-title{margin:0;font-size:1.05rem;font-weight:900}.lib-continue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--q-space-3)}@media(max-width:720px){.lib-continue-grid{grid-template-columns:1fr}}.lib-continue-card{display:flex;gap:var(--q-space-3);padding:var(--q-space-3);border:1px solid var(--q-border);border-radius:var(--q-radius-sm);background:var(--q-surface);align-items:stretch}.lib-continue-card__thumb{flex:0 0 88px;width:88px;border-radius:10px;overflow:hidden}.lib-continue-card__thumb .lib-thumb-smart{height:100%;min-height:88px}.lib-continue-card__title{margin:0 0 .25rem;font-size:.95rem;font-weight:850;line-height:1.25}.lib-continue-card__meta{margin:0 0 .5rem;font-size:.75rem;font-weight:650;color:var(--q-muted)}.lib-continue-card__bar{height:4px;border-radius:999px;background:color-mix(in srgb,var(--q-border) 80%,transparent);margin-bottom:.55rem;overflow:hidden}.lib-continue-card__bar span{display:block;height:100%;border-radius:inherit;background:var(--q-lib-accent, #db2777)}.lib-continue-card--quiz .lib-continue-card__bar span{background:var(--q-quiz-accent, #7c3aed)}.lib-continue-card__cta{border:0;background:transparent;padding:0;font:inherit;font-size:.82rem;font-weight:850;color:var(--q-lib-accent, #db2777);cursor:pointer}.lib-continue-card--quiz .lib-continue-card__cta{color:var(--q-quiz-accent, #7c3aed)}.lib-page{min-width:0}.lib-page-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--q-space-3);margin-bottom:var(--q-space-4)}.lib-page-head__text{min-width:0;flex:1 1 240px}.lib-page-title{margin:0;font-size:clamp(1.35rem,2.5vw,1.65rem);font-weight:850;letter-spacing:-.02em;color:var(--lib-ink, #302B3F)}.lib-page-sub{margin:.35rem 0 0;color:var(--q-text-secondary);font-size:.92rem;font-weight:650;max-width:36rem}.lib-page-head__action{flex-shrink:0}.lib-page-body--panel{background:#fff;border:1px solid #ECE8F3;border-radius:24px;padding:20px 24px 24px;box-shadow:0 8px 28px #302b3f0d}.lib-discovery-toolbar--catalog{margin-bottom:var(--q-space-4)}.lib-discovery-toolbar__row--split{justify-content:space-between;align-items:center;gap:var(--q-space-3)}.lib-discovery-toolbar__row--split .lib-col-search{flex:0 1 16rem;min-width:10rem}.lib-catalog-topic-title{margin:0 0 var(--q-space-3);font-size:1rem;font-weight:850;letter-spacing:-.01em}.lib-page--type .lib-type-layout{margin-top:0}.lib-my-resources-search{margin:0}.lib-my-res-grid{margin-top:var(--q-space-3)}.lib-hero-minimal{padding:0 0 var(--q-space-2);margin-bottom:0;background:transparent;border:0;box-shadow:none;min-height:0}.lib-hero-minimal__greet{margin:0 0 var(--q-space-2);font-size:.88rem;font-weight:750;color:var(--q-text-secondary);letter-spacing:-.01em}.lib-hero-minimal .lib-search-bar--hero{max-width:40rem;padding-top:.5rem;padding-bottom:.5rem}.lib-home-intro{display:flex;flex-direction:column;gap:var(--q-space-3);margin-bottom:var(--q-space-4)}.lib-continue-panel{background:#fff;border:1px solid var(--q-border, #EAE3DF);border-radius:20px;padding:var(--q-space-3) var(--q-space-4);box-shadow:0 6px 20px #302b3f0a}.lib-continue-panel__head{margin-bottom:var(--q-space-2)}.lib-continue-panel__title{margin:0;font-size:.88rem;font-weight:850;letter-spacing:-.01em;color:var(--lib-ink, #302B3F)}.lib-continue-panel__rail{margin-bottom:0}.lib-discovery-panel{background:#fff;border:1px solid #ECE8F3;border-radius:24px;padding:20px 24px 24px;box-shadow:0 8px 28px #302b3f0d}.lib-discovery-panel__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--q-space-4);margin-bottom:var(--q-space-3)}.lib-discovery-panel__head-text{min-width:0}.lib-discovery-panel__sub{margin:.35rem 0 0;font-size:.82rem;font-weight:600;color:#6e6478;line-height:1.4}.lib-discovery-panel__body{display:flex;flex-direction:column;gap:var(--q-space-3)}.lib-discovery-toolbar{display:flex;flex-direction:column;gap:.5rem;margin-bottom:.15rem}.lib-discovery-toolbar__row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:nowrap;min-width:0;padding-bottom:.35rem;border-bottom:1px solid var(--q-border, #EAE3DF)}.lib-discovery-type-tabs{display:flex;align-items:center;gap:.25rem;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.lib-discovery-type-tabs::-webkit-scrollbar{display:none}.lib-discovery-type-tab{flex:0 0 auto;border:0;background:transparent;color:#5c5468;font:inherit;font-size:.82rem;font-weight:700;padding:.4rem .65rem;border-radius:999px;cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease}.lib-discovery-type-tab:hover{background:#faf7f2;color:var(--lib-ink, #302B3F)}.lib-discovery-type-tab.is-active{background:var(--lib-action-coral-soft, #FFF0EB);color:var(--lib-action-coral, #E75B45);font-weight:800}.lib-discovery-type-tab:focus-visible{outline:2px solid var(--lib-action-coral, #E75B45);outline-offset:2px}.lib-discovery-toolbar__filter-wrap{position:relative;flex:0 0 auto}.lib-filter-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:36px;padding:0 .85rem;border:1px solid var(--q-border, #EAE3DF);border-radius:999px;background:#fff;color:#4a4f68;font:inherit;font-size:.78rem;font-weight:750;cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease}.lib-filter-btn__ic,.lib-filter-btn .lib-ic{width:16px;height:16px;color:#7a7188}.lib-filter-btn:hover,.lib-filter-btn.is-open{border-color:#ddd8ea;background:#faf7f2;color:var(--lib-ink, #302B3F)}.lib-filter-btn.has-filters{border-color:color-mix(in srgb,var(--lib-action-coral, #E75B45) 28%,var(--q-border))}.lib-filter-btn:focus-visible{outline:2px solid var(--lib-action-coral, #E75B45);outline-offset:2px}.lib-discovery-active-filters{display:flex;flex-wrap:wrap;gap:.35rem;min-height:0}.lib-discovery-active-filters__chip{display:inline-flex;align-items:center;gap:.3rem;border:1px solid color-mix(in srgb,var(--lib-action-coral, #E75B45) 22%,var(--q-border));background:var(--lib-action-coral-soft, #FFF0EB);color:var(--lib-action-coral-hover, #D14935);border-radius:999px;padding:.2rem .55rem .2rem .65rem;font:inherit;font-size:.72rem;font-weight:750;cursor:pointer}.lib-discovery-active-filters__x{font-size:.95rem;line-height:1;opacity:.75}.lib-discovery-panel__controls{display:none}.lib-discovery-panel__row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.lib-discovery-panel__utilities{flex:0 0 auto;margin-left:auto}.lib-discovery-panel__topics{padding-top:.15rem}.lib-filter-chip-row--primary{display:flex;flex-wrap:wrap;gap:.45rem}.lib-home-editorial .lib-filter-chip--type{height:40px;padding:0 18px;font-weight:700;font-size:.82rem}.lib-home-editorial .lib-filter-chip--topic{height:34px;padding:0 14px;font-weight:600;font-size:.74rem;background:color-mix(in srgb,#fff 88%,#FAF7F2);opacity:.95}.lib-home-editorial .lib-filter-more{border:1px solid #DDD8EA;background:#fff;color:#4a4f68;font-weight:700;min-height:40px;padding:0 16px}.lib-home-top-band{display:flex;flex-direction:column;gap:var(--q-space-2);margin-bottom:var(--q-space-4)}.lib-home-top-band .lib-continue-strip{margin-bottom:0}.lib-continue-row__head{margin-bottom:.35rem}.lib-continue-row__title{margin:0;font-size:.82rem;font-weight:850;letter-spacing:-.01em;color:var(--lib-ink, #302B3F)}@media(min-width:900px){.lib-continue-strip__item{flex:1 1 0;max-width:none}}.lib-home-featured{display:flex;align-items:center;gap:var(--q-space-2);flex-wrap:wrap}.lib-home-featured__label{flex:0 0 auto;font-size:.68rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:#7c86a2}.lib-home-featured__scroll{display:flex;flex:1;min-width:0;gap:.45rem;overflow-x:auto;scrollbar-width:thin}.lib-home-featured__chip{flex:0 0 auto;border:1px solid #E7EAF3;border-radius:999px;padding:.35rem .8rem;background:#f6f7fb;font:inherit;font-size:.72rem;font-weight:750;color:#4b5568;cursor:pointer}.lib-home-featured__chip:hover{border-color:#c9ccff;background:#eef0ff;color:#4b4cd9}.lib-home-explore-block{display:flex;flex-direction:column;gap:var(--q-space-2)}.lib-home-explore-head{margin-bottom:0}.lib-home-explore-head .lib-section-title{font-size:1.05rem;color:var(--lib-ink, #302B3F)}.lib-home-editorial .lib-filter-chip{background:#fff;border-color:var(--q-border, #EAE3DF);color:#5c5468}.lib-home-editorial .lib-filter-chip.on,.lib-home-editorial .lib-filter-chip[data-home-type=quiz].on{border-color:color-mix(in srgb,var(--lib-action-coral, #E75B45) 35%,#EAE3DF);background:var(--lib-action-coral-soft, #FFF0EB);color:var(--lib-action-coral-hover, #D14935)}.lib-home-topic-chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.35rem}.lib-home-topic-chips .lib-filter-chip{font-size:.72rem;padding:.32rem .75rem}.lib-filter-more{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-pill);padding:.35rem .85rem;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer;color:#5d6783}.lib-filter-more.is-open,.lib-filter-more:hover{border-color:color-mix(in srgb,var(--lib-brand, #5B5CEB) 35%,var(--q-border));color:var(--lib-ink, #1F2A44)}.lib-filter-popover{display:none;position:absolute;top:calc(100% + 6px);right:0;z-index:calc(var(--qmf-z-sticky, 200) + 4);width:min(100vw - 2rem,20rem);padding:var(--q-space-3);border:1px solid var(--q-border);border-radius:14px;background:var(--q-surface);box-shadow:var(--q-shadow-md);flex-direction:column;gap:var(--q-space-2)}.lib-filter-popover.is-open{display:flex}.lib-filter-popover__section{display:flex;flex-direction:column;gap:.4rem}.lib-filter-popover__heading{font-size:.72rem;font-weight:800;color:var(--q-muted);letter-spacing:.02em}.lib-filter-popover__topics{display:flex;flex-wrap:wrap;gap:.35rem}.lib-filter-popover__topic{border:1px solid var(--q-border);background:#fff;border-radius:999px;padding:.32rem .7rem;font:inherit;font-size:.74rem;font-weight:700;color:#5c5468;cursor:pointer}.lib-filter-popover__topic.is-on{border-color:color-mix(in srgb,var(--lib-action-coral, #E75B45) 35%,var(--q-border));background:var(--lib-action-coral-soft, #FFF0EB);color:var(--lib-action-coral-hover, #D14935)}.lib-filter-popover__topic:focus-visible,.lib-filter-popover__clear:focus-visible,.lib-filter-popover__apply:focus-visible{outline:2px solid var(--lib-action-coral, #E75B45);outline-offset:2px}.lib-filter-popover__actions{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;margin-top:.25rem;padding-top:.35rem;border-top:1px solid var(--q-border)}.lib-filter-popover__clear{border:0;background:transparent;color:#7a7188;font:inherit;font-size:.76rem;font-weight:700;padding:.35rem .5rem;cursor:pointer;border-radius:8px}.lib-filter-popover__clear:hover{color:var(--lib-ink, #302B3F);background:#faf7f2}.lib-filter-popover__apply{border:0;background:var(--lib-action-coral, #E75B45);color:#fff;font:inherit;font-size:.76rem;font-weight:800;padding:.4rem .85rem;border-radius:999px;cursor:pointer}.lib-filter-popover__apply:hover{background:var(--lib-action-coral-hover, #D14935)}@media(max-width:640px){.lib-discovery-toolbar__row{flex-wrap:wrap;align-items:stretch}.lib-discovery-type-tabs{flex:1 1 100%;order:1}.lib-discovery-toolbar__filter-wrap{order:2;margin-left:auto}.lib-filter-popover{right:0;left:auto;width:min(100vw - 1.5rem,20rem)}}.lib-filter-popover__field{display:flex;flex-direction:column;gap:.25rem;font-size:.72rem;font-weight:750;color:var(--q-muted)}.lib-filter-popover__field select{border:1px solid var(--q-border);border-radius:var(--q-radius-pill);padding:.35rem .65rem;font:inherit;font-size:.78rem;font-weight:700;background:var(--q-surface);color:var(--q-text)}.lib-text-link,.lib-section-action .lib-text-link{border:0;background:transparent;padding:0;font:inherit;font-size:.82rem;font-weight:750;color:var(--lib-brand, #5B5CEB);cursor:pointer;text-decoration:none}.lib-text-link:hover{color:var(--lib-brand-deep, #4B4CD9);text-decoration:underline}.lib-continue-card.ex-card{width:100%;text-align:left;cursor:pointer;border:1px solid var(--q-border);transition:border-color .15s ease,box-shadow .15s ease}.lib-continue-card.ex-card:hover{border-color:color-mix(in srgb,var(--q-lib-accent, #db2777) 35%,var(--q-border));box-shadow:var(--q-shadow-sm)}.lib-continue-card__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:.2rem;justify-content:center}.lib-continue-card__title{margin:0;font-size:.92rem;font-weight:850;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-continue-card__sub{font-size:.78rem;font-weight:650;color:var(--q-text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-continue-card__meta{margin:0;font-size:.72rem;font-weight:700;color:var(--q-muted)}.lib-continue-card__thumb .lib-ed-cover{height:100%;min-height:72px}.lib-resource-grid--explore{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-4)}@media(max-width:960px){.lib-resource-grid--explore{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.lib-resource-grid--explore{grid-template-columns:1fr}}@media(min-width:481px)and (max-width:720px){.lib-resource-grid--explore{grid-template-columns:repeat(2,minmax(0,1fr))}}.lib-ed-cover{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:132px;padding:var(--q-space-3);border-radius:12px 12px 0 0;overflow:hidden;background:#f4f4f5;color:#18181b}.lib-ed-cover--sm{min-height:72px;padding:.45rem .5rem;border-radius:10px}.lib-ed-cover--photo{padding:0;background:#e4e4e7}.lib-ed-cover--photo .ex-cover-img{width:100%;height:100%;min-height:132px;object-fit:cover;display:block}.lib-ed-cover__type{font-size:.62rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase;opacity:.72;margin-bottom:.35rem}.lib-ed-cover__title{font-size:.95rem;font-weight:850;line-height:1.25;letter-spacing:-.02em;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.lib-ed-cover--sm .lib-ed-cover__title{font-size:.68rem;-webkit-line-clamp:3}.lib-ed-cover--quiz.lib-ed-cover--v0{background:linear-gradient(145deg,#fafafa,#f0f0f2)}.lib-ed-cover--quiz.lib-ed-cover--v1{background:linear-gradient(160deg,#fff 55%,#ececee)}.lib-ed-cover--quiz.lib-ed-cover--v2{align-items:flex-start;justify-content:space-between}.lib-ed-cover--quiz.lib-ed-cover--v3{justify-content:center;text-align:center}.lib-ed-cover--quiz.lib-ed-cover--v4{border-bottom:3px solid color-mix(in srgb,var(--q-lib-accent, #db2777) 55%,transparent)}.lib-ed-cover--slide.lib-ed-cover--v0{background:#f8fafc;border-left:4px solid #64748b}.lib-ed-cover--slide.lib-ed-cover--v1{background:linear-gradient(180deg,#fff,#f1f5f9)}.lib-ed-cover--slide.lib-ed-cover--v2{justify-content:flex-start;padding-top:var(--q-space-4)}.lib-ed-cover--game.lib-ed-cover--v0{background:#fafafa}.lib-ed-cover--game.lib-ed-cover--v1{background:linear-gradient(135deg,#fafafa,#eef2f7)}.lib-ed-cover--article.lib-ed-cover--v0{background:#f9fafb}.lib-cat-cover--editorial .lib-ed-cover{border-radius:12px 12px 0 0;min-height:140px}.ex-card.ex-card-editorial{border:1px solid var(--q-border);border-radius:var(--q-radius-sm);background:var(--q-surface);overflow:hidden;cursor:pointer;box-shadow:none;transition:border-color .15s ease,transform .15s ease}.ex-card.ex-card-editorial:hover{border-color:color-mix(in srgb,var(--q-lib-accent, #db2777) 32%,var(--q-border));transform:translateY(-1px)}.ex-card-body--editorial{padding:var(--q-space-3) var(--q-space-3) var(--q-space-4)}.ex-card-eyebrow{margin:0 0 .35rem;font-size:.65rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase;color:var(--q-muted)}.ex-card-body--editorial .ex-card-title{margin:0 0 .35rem;font-size:.92rem;font-weight:850;line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.ex-card-duration{margin:0;font-size:.75rem;font-weight:700;color:var(--q-muted)}.lib-market-toolbar--compact{margin-bottom:var(--q-space-3);gap:0}.lib-hero-workspace{min-height:0;max-height:none;background:var(--q-surface);border:1px solid var(--q-border);box-shadow:none;margin-bottom:var(--q-space-4)}.lib-hero-workspace .lib-hero-inner{align-items:stretch;text-align:left;width:100%;max-width:none;padding:var(--q-space-5) var(--q-space-5) var(--q-space-4)}.lib-hero-eyebrow{margin:0 0 var(--q-space-3);font-size:.95rem;font-weight:800;color:var(--q-text-secondary)}.lib-hero-workspace .lib-search-hero,.lib-hero-workspace .lib-search{width:100%;max-width:none}@media(min-width:900px){.lib-hero-workspace{min-height:220px;max-height:260px}.lib-hero-workspace .lib-hero-inner{justify-content:center;min-height:200px}}.lib-nav-group-label{padding:var(--q-space-2) var(--q-space-3) var(--q-space-1);font-size:.68rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase;color:var(--q-muted)}.lib-section--tight{margin-bottom:var(--q-space-4)}.lib-section--market{margin-bottom:var(--q-space-6)}.lib-section-surface--flat{background:var(--q-surface);border:1px solid var(--q-border);box-shadow:none;border-radius:var(--q-radius-sm)}.lib-section--tight .lib-section-head,.lib-section--market .lib-section-head{padding-bottom:var(--q-space-2)}.lib-home-recent-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-3)}@media(max-width:960px){.lib-home-recent-row{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.lib-home-recent-row{grid-template-columns:1fr}}.lib-collections-strip{display:flex;flex-wrap:wrap;gap:var(--q-space-2)}.lib-collection-chip{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .75rem;border-radius:var(--q-radius-pill);border:1px solid var(--q-border);background:var(--q-surface);font:inherit;font-weight:750;font-size:.82rem;cursor:pointer;color:var(--q-text)}.lib-collection-chip:hover{border-color:color-mix(in srgb,var(--coll-accent, var(--q-lib-accent)) 45%,var(--q-border));box-shadow:var(--q-shadow-sm)}.lib-market-toolbar{display:flex;flex-direction:column;gap:var(--q-space-3);margin-bottom:var(--q-space-4)}.lib-market-toolbar__row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--q-space-2)}.lib-market-type-filters{display:flex;flex-wrap:wrap;gap:.35rem}.lib-filter-chip{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-pill);padding:.35rem .85rem;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer;color:var(--q-text-secondary)}.lib-filter-chip.on,.lib-filter-chip[data-home-type=quiz].on{border-color:#c9ccff;background:#eef0ff;color:#4b4cd9}.lib-market-view-toggle{display:inline-flex;border:1px solid var(--q-border);border-radius:var(--q-radius-pill);overflow:hidden}.lib-view-btn{border:0;background:var(--q-surface);padding:.35rem .55rem;cursor:pointer;color:var(--q-muted);display:grid;place-items:center}.lib-view-btn.on{background:color-mix(in srgb,var(--q-lib-accent) 12%,var(--q-surface));color:var(--q-lib-accent)}.lib-home-select select{border:1px solid var(--q-border);border-radius:var(--q-radius-pill);padding:.35rem .65rem;font:inherit;font-size:.78rem;font-weight:700;background:var(--q-surface)}.lib-market-toolbar__filters{gap:var(--q-space-2)}.lib-resource-grid{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:var(--q-space-3)}.lib-home-list{display:flex;flex-direction:column;gap:.35rem}.lib-home-list-row{display:flex;align-items:center;gap:var(--q-space-3);width:100%;text-align:left;padding:.55rem .65rem;border:1px solid var(--q-border);border-radius:var(--q-radius-sm);background:var(--q-surface);cursor:pointer;font:inherit}.lib-home-list-row__main{flex:1;min-width:0;display:flex;flex-direction:column;gap:.15rem}.lib-home-list-row__title{font-weight:800;font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-home-list-row__meta{font-size:.72rem;font-weight:700;color:var(--q-muted)}.lib-explore-type-tabs{display:flex;flex-wrap:wrap;gap:.35rem;margin:var(--q-space-3) 0 var(--q-space-4)}.lib-explore-tab{border:1px solid var(--q-border);background:var(--q-surface);border-radius:var(--q-radius-pill);padding:.4rem .9rem;font:inherit;font-size:.8rem;font-weight:800;cursor:pointer}.lib-explore-tab.on{border-color:color-mix(in srgb,var(--q-lib-accent) 45%,transparent);color:var(--q-lib-accent)}.lib-hero-minimal{padding:0 0 var(--q-space-3);margin-bottom:var(--q-space-3)}.lib-hero-minimal .lib-search-bar--hero{max-width:36rem;background:linear-gradient(var(--q-surface),var(--q-surface)) padding-box,linear-gradient(90deg,#e75b45,#e9ad52,#27958e,#5b5ceb 42%,#7258c5 57%,#ed6670,#6366f1 85%,#e75b45) border-box;background-size:100% 100%,280% 100%;background-origin:padding-box,border-box;background-clip:padding-box,border-box;border:2px solid transparent;box-shadow:var(--lib-shadow-sm, 0 1px 2px rgba(31, 42, 68, .04))}.lib-hero-minimal .lib-search-bar--hero:focus-within{border-color:transparent}.lib-hero-minimal .lib-search-bar--hero .lib-ic{color:#8a93a8}.lib-continue-strip{display:flex;flex-wrap:nowrap;gap:var(--q-space-2);overflow-x:auto;padding-bottom:var(--q-space-1);margin-bottom:var(--q-space-3);scrollbar-width:thin}.lib-continue-strip__item{flex:0 0 min(100%,360px);padding:0;border:1px solid var(--q-border, #EAE3DF);border-radius:14px;background:#fff;cursor:pointer;text-align:left;font:inherit;overflow:hidden}.lib-continue-strip__item:hover{border-color:color-mix(in srgb,var(--lib-brand, #5B5CEB) 28%,#E7EAF3)}.lib-continue-mini{display:flex;align-items:stretch;min-height:0}.lib-continue-mini__cover{flex:0 0 42%;max-width:148px;min-width:108px}.lib-continue-mini__cover .lib-res-cover{height:100%;min-height:68px}.lib-continue-mini__body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:.2rem;padding:.55rem .65rem}.lib-continue-mini__eyebrow{font-size:.58rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase;color:#7c86a2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-continue-mini__title{font-size:.84rem;font-weight:850;line-height:1.3;color:#1f2a44;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-continue-mini__meta{font-size:.72rem;font-weight:700;color:#8e97ac}.lib-section--explore-tight.lib-section--bare{margin-bottom:var(--q-space-5)}.lib-section--explore-tight .lib-market-toolbar--compact{margin-bottom:var(--q-space-3)}.ex-grid.lib-resource-grid.lib-resource-grid--explore{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-4)}@media(max-width:960px){.ex-grid.lib-resource-grid.lib-resource-grid--explore{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.ex-grid.lib-resource-grid.lib-resource-grid--explore{grid-template-columns:1fr}}.lib-res-card{display:flex;flex-direction:column;border:1px solid var(--q-border, #EAE3DF);border-radius:18px;background:#fff;overflow:hidden;cursor:default;box-shadow:var(--lib-shadow-md, 0 8px 24px rgba(31, 42, 68, .06));transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.lib-res-card:hover{border-color:color-mix(in srgb,var(--lib-brand, #5B5CEB) 22%,#E7EAF3);box-shadow:0 10px 28px #1f2a4414;transform:translateY(-1px)}.lib-res-card__cover{width:100%;line-height:0;cursor:pointer}.lib-res-cover{position:relative;width:100%;overflow:hidden;box-sizing:border-box}.lib-res-cover--ratio{aspect-ratio:16 / 10}.lib-res-cover--sm{aspect-ratio:16 / 10;min-height:0}.lib-res-cover--photo .lib-res-cover__img{width:100%;height:100%;object-fit:cover;display:block}.lib-res-cover--photo{position:relative;overflow:hidden}.lib-res-cover__shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 50%,rgba(15,23,42,.32) 100%)}.lib-res-cover--branded{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;background:repeating-linear-gradient(-45deg,#f5f0ea,#f5f0ea 7px,#ede6df 7px 14px);border:1px dashed color-mix(in srgb,#8A8194 35%,#EAE3DF)}.lib-res-cover__brand-label{font-size:.62rem;font-weight:850;letter-spacing:.08em;color:#5c5468;text-transform:uppercase}.lib-res-cover__brand-state{font-size:.5rem;font-weight:800;letter-spacing:.14em;color:#8e97ac}.lib-res-cover--editorial,.lib-res-cover--abstract{position:relative;display:grid;grid-template-rows:min-content 1fr min-content;align-items:center;justify-items:center;padding:10% 8%;text-align:center}.lib-res-cover--pal-caramel{background:linear-gradient(148deg,#c49a5c,#9a7340 55%,#7a5a32)}.lib-res-cover--pal-peach{background:linear-gradient(165deg,#fff0e8,#f5d5c8)}.lib-res-cover--pal-coral{background:linear-gradient(145deg,#f07882,#ed6670 45%,#d95560)}.lib-res-cover--pal-emerald{background:linear-gradient(145deg,#2fa89f,#27958e,#1f7a74)}.lib-res-cover--pal-iris{background:linear-gradient(145deg,#8a72d4,#7258c5 48%,#5e4699)}.lib-res-cover--pal-amber{background:linear-gradient(165deg,#fbe4a8,#e9ad52)}.lib-res-cover--pal-teal{background:linear-gradient(145deg,#33b5ac,#27958e 55%,#1d7a74)}.lib-res-cover--pal-honey{background:linear-gradient(160deg,#f5d092,#e9ad52 55%,#c98b3a)}.lib-res-cover--abstract{display:flex;align-items:center;justify-content:center;background:#e8ecf4}.lib-res-cover__type-icon{display:flex;align-items:center;justify-content:center;color:#4b4cd9}.lib-res-cover__type-icon .lib-ic-svg{width:36px;height:36px}.lib-res-cover--sm .lib-res-cover__type-icon .lib-ic-svg{width:28px;height:28px}.lib-res-cover__series{align-self:start;font-size:clamp(.48rem,1.8vw,.58rem);font-weight:800;letter-spacing:.14em;line-height:1.2}.lib-res-cover__glyph{font-size:clamp(1.75rem,22%,2.75rem);font-weight:700;line-height:1;font-family:Noto Sans SC,PingFang SC,Source Han Sans SC,sans-serif}.lib-res-cover--cat-english .lib-res-cover__glyph,.lib-res-cover--domain-english .lib-res-cover__glyph{font-family:"Source Serif 4",Iowan Old Style,Georgia,serif;font-style:italic;font-weight:600}.lib-res-cover--cat-math .lib-res-cover__glyph,.lib-res-cover--domain-math .lib-res-cover__glyph{font-family:IBM Plex Mono,SF Mono,ui-monospace,monospace;font-weight:600}.lib-res-cover__glyph--icon{display:flex;align-items:center;justify-content:center}.lib-res-cover__glyph--icon .lib-ic-svg{width:2.1rem;height:2.1rem}.lib-res-cover--domain-math.lib-res-cover--editorial:before{content:"";position:absolute;inset:0;opacity:.1;background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);background-size:16px 16px;pointer-events:none}.lib-res-cover--domain-game.lib-res-cover--cat-game{background:linear-gradient(145deg,#eae5f7,#fde68a)}.lib-res-cover__label{align-self:end;font-size:clamp(.62rem,2vw,.78rem);font-weight:900;letter-spacing:.07em;text-transform:uppercase;line-height:1.25;max-width:100%}.lib-res-cover--tone-dark .lib-res-cover__series{color:#ffffffb8}.lib-res-cover--tone-dark .lib-res-cover__glyph{color:#fff}.lib-res-cover--tone-dark .lib-res-cover__label{color:#ffffffeb}.lib-res-cover--tone-light .lib-res-cover__series{color:#6e6478}.lib-res-cover--tone-light .lib-res-cover__glyph,.lib-res-cover--tone-light .lib-res-cover__label{color:#302b3f}.lib-res-cover--sm.lib-res-cover--editorial{padding:8% 6%}.lib-res-cover--sm .lib-res-cover__glyph{font-size:clamp(1.25rem,20%,1.65rem)}.lib-res-cover--sm .lib-res-cover__series{font-size:.45rem;letter-spacing:.1em}.lib-res-cover--sm .lib-res-cover__label{font-size:.55rem}.lib-res-cover--editorial:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.08) 0%,transparent 42%,rgba(0,0,0,.04) 100%)}.lib-res-cover--tone-light.lib-res-cover--editorial:after{background:linear-gradient(180deg,rgba(255,255,255,.45) 0%,transparent 50%,rgba(31,42,68,.03) 100%)}.lib-res-card__body{padding:.65rem .75rem .75rem;display:flex;flex-direction:column;gap:.25rem;min-height:0;flex:1 1 auto}.lib-res-card__actions{margin-top:auto;padding-top:.5rem;min-height:40px}.lib-res-card__actions-row{display:flex;align-items:stretch;gap:.35rem}.lib-res-act{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;min-height:36px;padding:0 12px;border-radius:10px;font:inherit;font-size:.78rem;font-weight:750;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease,color .15s ease}.lib-res-act__ic .lib-ic-svg,.lib-res-act__ic.lib-ic .lib-ic-svg{width:18px;height:18px}.lib-res-act__icon{font-size:.62rem;line-height:1}.lib-res-act--ghost{border:1px solid var(--q-border, #EAE3DF);background:#fff;color:var(--lib-ink, #302B3F)}.lib-res-act--ghost:hover{border-color:#ddd8ea;background:#faf7f2}.lib-res-act--primary{flex:1 1 auto;min-width:0;border:0;background:var(--lib-action-coral, #E75B45);color:#fff;font-weight:800;box-shadow:0 4px 14px color-mix(in srgb,var(--lib-action-coral, #E75B45) 32%,transparent)}.lib-res-act--primary:hover{background:var(--lib-action-coral-hover, #D14935);box-shadow:0 6px 18px color-mix(in srgb,var(--lib-action-coral, #E75B45) 38%,transparent)}.lib-res-act--primary:focus-visible{outline:2px solid var(--lib-action-coral-hover, #D14935);outline-offset:2px}.lib-res-act--icon{flex:0 0 36px;width:36px;min-height:36px;padding:0;border:1px solid var(--q-border, #EAE3DF);background:#fff;color:var(--lib-ink, #302B3F)}.lib-res-act--icon:hover{border-color:#ddd8ea;background:#faf7f2}.lib-res-act--icon:focus-visible{outline:2px solid var(--lib-action-coral, #E75B45);outline-offset:2px}.lib-res-act--claim.is-on{color:var(--lib-action-coral, #E75B45);border-color:color-mix(in srgb,var(--lib-action-coral, #E75B45) 35%,var(--q-border));background:var(--lib-action-coral-soft, #FFF0EB)}.lib-res-act--claim{align-self:auto}.lib-res-card__actions .ex-cta-catalog-play,.lib-res-card__actions .ex-cta-catalog-preview,.lib-res-card__actions .ex-cta-catalog-claim,.lib-res-card__actions .ex-cta-catalog-unclaim{width:100%}.lib-res-card__eyebrow{margin:0;font-size:.62rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase;color:#7c86a2}.lib-res-card__title{margin:0;font-size:.9rem;font-weight:850;line-height:1.35;min-height:2.7em;color:var(--lib-ink, #302B3F);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-res-card__meta{margin:0;font-size:.75rem;font-weight:700;color:#8e97ac}.lib-section--explore .lib-section-head--bare{margin-bottom:var(--q-space-2)}.lib-market-toolbar--compact .lib-market-toolbar__row{justify-content:flex-start;gap:var(--q-space-3)}.lib-page--collections .lib-col-folders,.lib-col-folders{margin-bottom:var(--q-space-3)}.lib-col-folders__track{display:flex;gap:var(--q-space-2);overflow-x:auto;padding-bottom:.25rem;scrollbar-width:thin}.lib-col-folder{flex:0 0 auto;width:148px;position:relative;border:1px solid var(--q-border);border-radius:var(--q-radius-sm);background:var(--q-surface);box-shadow:var(--q-shadow-sm)}.lib-col-folder.is-active{border-color:color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 55%,var(--q-border));box-shadow:0 0 0 2px color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 18%,transparent)}.lib-col-folder__hit{display:flex;flex-direction:column;align-items:stretch;width:100%;border:0;background:transparent;padding:.55rem;cursor:pointer;text-align:left;font:inherit;color:inherit}.lib-col-folder__covers{display:grid;grid-template-columns:1fr 1fr;gap:3px;aspect-ratio:1;border-radius:6px;overflow:hidden;margin-bottom:.45rem;background:var(--q-bg-muted, #eee)}.lib-col-folder__tile{display:block;overflow:hidden;min-height:0}.lib-col-folder__tile .lib-res-cover{height:100%;min-height:36px;border-radius:0}.lib-col-folder__tile--empty{background:color-mix(in srgb,var(--q-border) 40%,var(--q-surface))}.lib-col-folder__name{font-weight:800;font-size:.78rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-col-folder__count{font-size:.68rem;color:var(--q-muted);margin-top:.15rem}.lib-col-folder__menu{position:absolute;top:.35rem;right:.35rem;border:0;background:color-mix(in srgb,var(--q-surface) 88%,transparent);border-radius:6px;width:28px;height:28px;cursor:pointer;font-size:1rem;line-height:1;color:var(--q-muted)}.lib-col-folder--new{border-style:dashed;box-shadow:none;display:flex;align-items:center;justify-content:center;min-height:148px;cursor:pointer;font:inherit;color:var(--q-text-secondary)}.lib-col-folder--new .lib-col-folder__new-icon{font-size:1.5rem;font-weight:300;color:var(--q-lib-accent-coral, #e86f5a)}.lib-col-folder-clear{border:0;background:transparent;font:inherit;font-size:.78rem;color:var(--q-lib-accent);cursor:pointer;margin-bottom:var(--q-space-2)}.lib-col-nav{display:flex;flex-direction:column;gap:var(--q-space-2);margin-bottom:var(--q-space-4)}.lib-col-tabs{display:flex;flex-wrap:wrap;gap:.35rem;border-bottom:1px solid var(--q-border);padding-bottom:.35rem}.lib-col-tab{border:0;background:transparent;font:inherit;font-weight:800;font-size:.85rem;padding:.45rem .65rem;border-radius:var(--q-radius-pill);cursor:pointer;color:var(--q-text-secondary)}.lib-col-tab.is-on{background:color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 12%,var(--q-surface));color:var(--q-text)}.lib-col-tab__count{font-weight:700;color:var(--q-muted);font-size:.78rem}.lib-col-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.lib-col-search{flex:1 1 180px;min-width:140px}.lib-col-search input{width:100%;border:1px solid var(--q-border);border-radius:var(--q-radius-pill);padding:.45rem .85rem;font:inherit;font-size:.82rem;background:var(--q-surface)}.lib-col-select{border:1px solid var(--q-border);border-radius:var(--q-radius-pill);padding:.4rem .65rem;font:inherit;font-size:.78rem;background:var(--q-surface)}.lib-col-view-toggle{display:inline-flex;border:1px solid var(--q-border);border-radius:var(--q-radius-pill);overflow:hidden}.lib-col-view-btn{border:0;background:var(--q-surface);padding:.35rem .5rem;cursor:pointer;color:var(--q-muted);display:grid;place-items:center}.lib-col-view-btn.on{background:color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 12%,var(--q-surface));color:var(--q-text)}.lib-col-btn{border:1px solid var(--q-border);border-radius:var(--q-radius-pill);padding:.45rem .85rem;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer;background:var(--q-surface);color:var(--q-text);text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.lib-col-btn--primary{background:var(--q-lib-accent-coral, #e86f5a);border-color:transparent;color:#fff}.lib-col-btn--soft{background:color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 10%,var(--q-surface));border-color:color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 35%,var(--q-border))}.lib-col-btn--ghost{background:transparent}.lib-col-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--q-space-3)}@media(max-width:960px){.lib-col-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.lib-col-grid{grid-template-columns:1fr}}.lib-col-grid--list{grid-template-columns:1fr}.lib-col-card{display:flex;flex-direction:column;background:var(--q-surface);border:1px solid var(--q-border);border-radius:var(--q-radius-sm);overflow:hidden;box-shadow:var(--q-shadow-sm);position:relative}.lib-col-card.is-selected{outline:2px solid color-mix(in srgb,var(--q-lib-accent-coral, #e86f5a) 65%,transparent)}.lib-col-card--list{flex-direction:row;align-items:stretch}.lib-col-card--list .lib-col-card__cover{width:120px;flex-shrink:0}.lib-col-card--list .lib-col-card__body{flex:1;padding:.75rem 1rem}.lib-col-card__check{position:absolute;top:.5rem;left:.5rem;z-index:2}.lib-col-card__cover .lib-res-cover{aspect-ratio:16 / 10}.lib-col-card__body{padding:.65rem .75rem .75rem;display:flex;flex-direction:column;gap:.25rem;flex:1}.lib-col-card__type{margin:0;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--q-muted)}.lib-col-card__title{margin:0;font-size:.92rem;font-weight:850;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-col-card__meta{margin:0;font-size:.72rem;color:var(--q-text-secondary)}.lib-col-card__actions{display:flex;align-items:center;gap:.35rem;margin-top:auto;padding-top:.45rem}.lib-col-card__actions .lib-col-btn--primary{flex:1}.lib-col-btn--menu{width:36px;padding:.35rem;flex-shrink:0}.lib-col-empty{text-align:center;padding:var(--q-space-8) var(--q-space-4);background:var(--q-surface);border:1px dashed var(--q-border);border-radius:var(--q-radius-sm)}.lib-col-muted{color:var(--q-text-secondary);font-size:.88rem}.lib-col-menu{position:fixed;z-index:1200;min-width:200px;background:var(--q-surface);border:1px solid var(--q-border);border-radius:var(--q-radius-sm);box-shadow:var(--q-shadow-md);padding:.35rem}.lib-col-menu__item{display:block;width:100%;text-align:left;border:0;background:transparent;font:inherit;font-size:.82rem;padding:.45rem .55rem;border-radius:6px;cursor:pointer}.lib-col-menu__item:hover{background:var(--q-bg-muted, #f3f0ec)}.lib-col-menu__item--danger{color:#b42318}.lib-col-menu__sep{border:0;border-top:1px solid var(--q-border);margin:.25rem 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:root{--q-sidebar-width:216px;--q-nav-height:var(--qmf-header-h,58px);--ld-bg:#f7f8fc;--ld-surface:#fff;--ld-ink:#20283b;--ld-muted:#525f73;--ld-border:#e7e8f1;--ld-brand:#0b57d0;--lib-brand:var(--ld-brand);--lib-brand-deep:#0842a0;--lib-brand-soft:var(--ld-soft);--ld-soft:#e8f0fe;--q-page-bg:var(--ld-bg);--q-bg:var(--ld-bg);--q-primary:var(--ld-brand);--q-border:var(--ld-border);--lib-ink:var(--ld-ink);--lib-action-coral:var(--ld-brand);--lib-action-coral-hover:#0842a0;--lib-action-coral-soft:var(--ld-soft)}html[data-theme=dark]{--ld-bg:#151722;--ld-surface:#1d2030;--ld-ink:#ecebf5;--ld-muted:#a2a4b9;--ld-border:#303346;--ld-brand:#a8c7fa;--ld-soft:#263d60}body.ex-body{background:var(--ld-bg);color:var(--ld-ink);font-family:Nunito,system-ui,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}.ex-body *,.ex-body *:before,.ex-body *:after{box-sizing:border-box}.ex-body button,.ex-body select,.ex-body input{font-family:inherit}.ex-body button:focus-visible,.ex-body a:focus-visible,.ex-body select:focus-visible{outline:3px solid #92b9ed;outline-offset:3px}.ex-body .lib-shell{--q-primary:var(--ld-brand);--q-primary-soft:var(--ld-soft);--q-cta:#0b57d0;--q-slide-accent:#0b57d0;--lib-action-coral:var(--ld-brand);--lib-action-coral-soft:var(--ld-soft);--lib-action-coral-hover:#0842a0;min-height:calc(100dvh - var(--q-nav-height))}.ex-body .lib-sidebar{width:var(--q-sidebar-width);background:var(--ld-surface);border-right:1px solid var(--ld-border);padding:22px 12px 14px;top:var(--q-nav-height);height:calc(100dvh - var(--q-nav-height));box-shadow:none}.lib-side-heading{padding:0 12px 25px;font-size:11px;letter-spacing:1.4px;color:var(--ld-brand);font-weight:900}.lib-side-heading span{display:block;letter-spacing:0;font-size:11px;font-weight:650;color:var(--ld-muted);margin-top:3px}.ex-body .lib-nav-item{min-height:42px;border-radius:9px;padding:10px 12px;gap:11px;color:var(--ld-muted);font-size:13px;font-weight:750;transition:background .16s,color .16s}.ex-body .lib-nav-item .lib-ic{width:19px;height:19px;flex:0 0 19px}.ex-body .lib-nav-item .lib-ic-svg{width:19px;height:19px}.ex-body .lib-nav-item:hover{background:var(--ld-bg);color:var(--ld-ink)}.ex-body .lib-nav-item.active{background:var(--ld-soft);color:var(--ld-brand);box-shadow:none}.ex-body .lib-nav-item.active:before{display:none}.ex-body .lib-nav{gap:5px}.ex-body .lib-nav-group-label{font-size:10px;letter-spacing:1.1px;padding:28px 12px 10px;color:var(--ld-muted);font-weight:850}.ex-body .lib-nav-sep{margin:22px 12px 12px;background:var(--ld-border)}.ex-body .lib-content{margin-left:var(--q-sidebar-width);background:var(--ld-bg)}.ex-body .lib-main.lib-main-page,.ex-body .lib-shell-home .lib-main.lib-main-home{max-width:1400px;padding:30px 36px 56px;margin:0 auto;background:transparent}.ex-body .lib-shell--sidebar-collapsed .lib-side-heading{display:none}.ex-body .lib-shell--sidebar-collapsed .lib-sidebar{padding-top:20px}html.lib-sidebar-collapsed{--q-sidebar-width:76px}.ex-body .lib-home-editorial{display:block;max-width:none;margin:0}.ex-body .lib-home-intro{display:block;margin:0 0 30px;padding:0;gap:0}.ex-body .lib-hero.lib-hero-minimal{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;margin:0 0 28px;padding:28px 32px;min-height:216px;border:1px solid var(--ld-border);border-radius:16px;background:var(--ld-surface);box-shadow:none;overflow:hidden}.lib-kicker{display:block;font-size:10px;letter-spacing:1.6px;font-weight:900;color:var(--ld-brand);margin-bottom:10px}.lib-hero-copy{position:relative;z-index:1;max-width:680px;flex:1;min-width:0}.lib-hero-copy h1{margin:0;font-size:30px;line-height:1.2;letter-spacing:-1px;font-weight:900;color:var(--ld-ink)}.lib-hero-copy p{margin:10px 0 22px;font-size:13px;color:var(--ld-muted);font-weight:600}.ex-body .lib-hero-minimal .lib-search-bar.lib-search-bar--hero{display:flex;width:100%;max-width:570px;min-height:46px;height:46px;border:1px solid var(--ld-border);border-radius:9px;margin:0;padding:0 13px;background:var(--ld-bg);box-shadow:none;gap:10px;animation:none}.ex-body .lib-search-bar--hero:before,.ex-body .lib-search-bar--hero:after{display:none}.ex-body .lib-search-bar--hero .lib-ic{color:var(--ld-brand);width:19px;flex:0 0 19px}.ex-body .lib-search-bar__field{min-height:44px;font-size:13px;color:var(--ld-muted);font-weight:650;text-align:left}.ex-body .lib-search-ph{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.lib-hero-art{position:relative;width:230px;height:160px;flex:0 0 230px;pointer-events:none}.lib-art-orbit{position:absolute;width:165px;height:165px;border:1px solid #ded9f3;border-radius:50%;left:32px;top:-4px}.lib-art-orbit:after{content:"";position:absolute;inset:18px;border:1px dashed #e4dff6;border-radius:50%}.lib-art-note{position:absolute;border:1px solid #e1dbee;border-radius:10px;width:106px;height:120px;padding:14px;box-shadow:0 8px 22px #4d367811;background:#fff;display:flex;flex-direction:column;gap:9px}.lib-art-note .lib-ic{width:24px;height:24px}.lib-art-note span{font-size:12px;font-weight:900}.lib-art-note i{height:3px;border-radius:3px;background:currentColor;opacity:.13}.lib-art-note i:last-child{width:60%}.lib-art-note--back{left:22px;top:10px;transform:rotate(-12deg);color:#228e8b;background:#eef9f6}.lib-art-note--front{left:98px;top:30px;transform:rotate(10deg);color:#a17831;background:#fffaf0}.lib-art-quiz{position:absolute;left:37px;bottom:1px;padding:9px 17px;display:flex;align-items:center;gap:8px;color:#7851d5;background:#f0e8ff;border:1px solid #ded1f9;border-radius:8px;font-size:12px;font-weight:900;transform:rotate(-5deg)}.lib-art-quiz .lib-ic{width:16px;height:16px}.lib-art-spark{position:absolute;right:11px;top:1px;color:#a490d4;font-size:26px}.ex-body .lib-continue-panel{padding:0;margin:0;border:0;background:transparent;border-radius:0;box-shadow:none}.ex-body .lib-continue-panel__head{padding:0;margin:0 0 12px}.ex-body .lib-continue-panel__title{font-size:16px;font-weight:850;color:var(--ld-ink)}.ex-body .lib-continue-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;overflow:visible;padding:0;margin:0}.ex-body .lib-continue-strip__item{width:auto;min-width:0;max-width:none;margin:0;padding:0;border:1px solid var(--ld-border);border-radius:11px;background:var(--ld-surface);box-shadow:none;text-align:left}.ex-body .lib-continue-mini{display:flex;min-height:100px;align-items:center}.ex-body .lib-continue-mini__cover{flex:0 0 86px;width:86px;height:100%;align-self:stretch;overflow:hidden}.ex-body .lib-continue-mini__cover .lib-res-cover{height:100%;min-height:100px;aspect-ratio:auto}.ex-body .lib-continue-mini__body{padding:12px;min-width:0;gap:5px}.ex-body .lib-continue-mini__eyebrow{font-size:9px;letter-spacing:.5px;color:var(--ld-brand);font-weight:900}.ex-body .lib-continue-mini__title{font-size:12px;font-weight:850;color:var(--ld-ink);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ex-body .lib-continue-mini__meta{font-size:10px;color:var(--ld-muted)}.ex-body .lib-discovery-panel{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible}.ex-body .lib-discovery-panel__head{padding:0;margin:0 0 18px;align-items:center}.ex-body .lib-discovery-panel__body{padding:0}.ex-body .lib-section-title{font-size:20px;letter-spacing:-.4px;color:var(--ld-ink);font-weight:900}.ex-body .lib-discovery-panel__sub{margin:5px 0 0;color:var(--ld-muted);font-size:12px;font-weight:600}.ex-body .lib-text-link{font-size:12px;font-weight:850;color:var(--ld-brand)}.ex-body .lib-discovery-toolbar{border:0;padding:0;margin:0 0 18px}.ex-body .lib-discovery-toolbar__row{border:0;gap:12px;padding:0;align-items:center}.ex-body .lib-discovery-type-tabs{gap:5px;padding:4px;background:#edf0f4;border-radius:10px;display:flex;overflow:auto;scrollbar-width:none}.ex-body .lib-discovery-type-tab{display:flex;gap:7px;align-items:center;justify-content:center;min-height:34px;padding:7px 12px;white-space:nowrap;border-radius:7px;font-size:12px;font-weight:850;background:transparent;color:#858397;border:0}.ex-body .lib-discovery-type-tab .lib-ic,.ex-body .lib-discovery-type-tab .lib-ic-svg{width:15px;height:15px}.ex-body .lib-discovery-type-tab.is-active{background:var(--ld-surface);color:var(--ld-brand);box-shadow:0 1px 4px #2030440d}.ex-body .lib-filter-btn{border:1px solid var(--ld-border);border-radius:8px;background:var(--ld-surface);min-height:38px;font-size:12px;color:var(--ld-ink);padding:0 13px}.ex-body .lib-filter-btn .lib-ic{width:16px;height:16px}.ex-body .lib-filter-popover{border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-surface);box-shadow:0 12px 35px #2332451a;color:var(--ld-ink);z-index:20}.ex-body .ex-grid.lib-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch;padding:0}.ex-body .lib-res-card{border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-surface);box-shadow:0 2px 4px #20283e02;transform:none;cursor:pointer;min-width:0;overflow:hidden}.ex-body .lib-res-card:hover{transform:translateY(-3px);border-color:#b0c7e6;box-shadow:0 10px 24px #394d670d}.ex-body .lib-res-card__cover{height:122px;overflow:hidden}.ex-body .lib-res-cover--ratio{aspect-ratio:auto;height:122px}.ex-body .lib-res-cover--photo img{width:100%;height:100%;object-fit:cover}.ex-body .lib-res-card__body{padding:14px;gap:9px}.ex-body .lib-res-card__eyebrow{align-self:flex-start;border-radius:5px;padding:4px 7px;font-size:9px;letter-spacing:.5px;line-height:1;color:#7250be;background:#f0eafa;font-weight:900}.ex-body .lib-res-card[data-kind=slide] .lib-res-card__eyebrow{color:#168278;background:#e6f5f1}.ex-body .lib-res-card[data-kind=article] .lib-res-card__eyebrow{color:#a47729;background:#fbf0db}.ex-body .lib-res-card[data-kind=game] .lib-res-card__eyebrow{color:#b0618c;background:#faedf5}.ex-body .lib-res-card__title{font-size:14px;line-height:1.45;font-weight:850;color:var(--ld-ink);min-height:2.9em;letter-spacing:-.15px;margin:0}.lib-res-card__title button{font:inherit;color:inherit;line-height:inherit;text-align:left;background:transparent;border:0;padding:0;cursor:pointer;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;width:100%}.ex-body .lib-res-card__meta{font-size:10px;color:var(--ld-muted);font-weight:650;margin:0}.ex-body .lib-res-card__actions{padding-top:7px;margin-top:auto;min-height:0}.ex-body .lib-res-card__actions-row{gap:7px}.ex-body .lib-res-act{border-radius:7px;min-height:32px;font-size:11px;font-weight:850;box-shadow:none}.ex-body .lib-res-act--primary{background:var(--ld-soft);color:var(--ld-brand);justify-content:flex-start;padding:0 11px;box-shadow:none;border:0}.ex-body .lib-res-act--primary:hover{background:var(--ld-brand);color:#fff;box-shadow:none}.ex-body .lib-res-act--icon{flex:0 0 32px;width:32px;background:transparent;border:1px solid var(--ld-border);color:var(--ld-muted);min-height:32px}.ex-body .lib-res-act__ic.lib-ic .lib-ic-svg{width:16px;height:16px}.ex-body .lib-res-act__icon{display:none}.lib-design-cover{--cover-bg:#ede7fb;--cover-ink:#8b6bc5;background:var(--cover-bg);color:var(--cover-ink);position:relative;isolation:isolate}.lib-design-cover.lib-res-cover--article{--cover-bg:#f6eddb;--cover-ink:#ba965b}.lib-design-cover.lib-res-cover--slide{--cover-bg:#e0f2ed;--cover-ink:#66a39a}.lib-design-cover.lib-res-cover--game{--cover-bg:#f8e7ef;--cover-ink:#b17e99}.lib-cover-brand{position:absolute;left:16px;top:15px;font-size:8px;font-weight:900;letter-spacing:2px;opacity:.65;line-height:1}.lib-cover-topic{position:absolute;left:16px;bottom:16px;font-size:10px;letter-spacing:.6px;font-weight:900;line-height:1.1;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lib-cover-paper{position:absolute;right:34px;top:21px;display:flex;flex-direction:column;gap:7px;width:71px;height:96px;padding:13px 11px;border:1px solid #ffffffb0;border-radius:6px;transform:rotate(10deg);background:#ffffff80;box-shadow:7px 7px #ffffff40;z-index:2}.lib-cover-paper .lib-ic{width:23px;height:23px;flex:none}.lib-cover-paper .lib-ic-svg{width:23px;height:23px}.lib-cover-paper i{height:3px;background:currentColor;opacity:.27;border-radius:3px}.lib-cover-paper i:last-child{width:60%}.lib-res-cover--slide .lib-cover-paper{width:104px;height:68px;top:33px;right:23px;transform:rotate(-8deg);box-shadow:6px 6px #ffffff50,12px 12px #ffffff30}.lib-res-cover--quiz .lib-cover-paper i{height:8px;border:1px solid currentColor;background:transparent;border-radius:3px;opacity:.35}.lib-res-cover--quiz .lib-cover-paper{top:16px;transform:rotate(6deg)}.lib-cover-dot{position:absolute;width:140px;height:140px;border:1px solid currentColor;border-radius:50%;right:-38px;top:-50px;opacity:.1}.lib-cover-dot:after{content:"";position:absolute;inset:14px;border:1px solid currentColor;border-radius:50%}.lib-res-cover--sm .lib-cover-paper{left:20px;top:20px;width:50px;height:70px;padding:9px;right:auto;gap:5px}.lib-res-cover--sm.lib-res-cover--slide .lib-cover-paper{width:58px;height:46px;left:13px;top:29px}.lib-ui-empty{text-align:center;padding:65px 20px;color:var(--ld-muted)}.lib-ui-empty>.lib-ic{width:32px;height:32px;color:var(--ld-brand)}.lib-ui-empty h3{font-size:17px;color:var(--ld-ink);margin:15px 0 6px}.lib-ui-empty p{font-size:13px;margin:0}.lib-skeleton-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.lib-skeleton{height:275px;border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-surface);overflow:hidden;position:relative}.lib-skeleton i{display:block;background:var(--ld-border);height:12px;border-radius:5px;margin:16px;width:70%}.lib-skeleton i:first-child{width:100%;height:122px;margin:0;border-radius:0}.lib-skeleton i:last-child{width:42%}.lib-skeleton:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,#ffffff66 50%,transparent 65%);transform:translate(-100%);animation:lib-shimmer 1.6s infinite}@keyframes lib-shimmer{to{transform:translate(100%)}}.ex-body.ex-on-wizard{overflow:auto!important;background:var(--ld-bg)}.lib-welcome{min-height:100dvh;background:var(--ld-bg);color:var(--ld-ink)}.lib-welcome-top{height:86px;max-width:1320px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:0 40px}.lib-welcome-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:900;color:var(--ld-ink);text-decoration:none;letter-spacing:-.5px}.lib-welcome-brand img{width:34px;height:34px;border-radius:10px}.lib-welcome-brand span{font-weight:600;color:var(--ld-muted)}.lib-welcome-language{display:flex;align-items:center;gap:8px;color:var(--ld-muted)}.lib-welcome-language>.lib-ic{width:17px;height:17px}.lib-welcome-language select{padding:8px 2px;border:0;background:transparent;font-size:12px;color:var(--ld-ink);font-weight:750;cursor:pointer}.lib-welcome-layout{max-width:1120px;padding:20px 40px 24px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;min-height:calc(100dvh - 140px)}.lib-welcome-story{position:relative;min-height:490px;background:#eeebfb;border:1px solid #e5dff9;border-radius:22px;padding:36px 32px;overflow:hidden}.lib-welcome-story .lib-kicker{font-size:8px;letter-spacing:1.3px}.lib-welcome-story h2{font-size:38px;line-height:1.15;letter-spacing:-1.5px;max-width:300px;margin:16px 0 14px;font-weight:900;color:#47346d}.lib-welcome-story>p{font-size:13px;line-height:1.8;max-width:290px;color:#8b7caa;margin:0}.lib-welcome-art{height:215px;position:relative;margin:12px -5px 0}.lib-welcome-sheet{position:absolute;display:flex;flex-direction:column;gap:11px;padding:18px;background:#fff;border:1px solid #e3dfee;border-radius:12px;box-shadow:0 12px 25px #65529312}.lib-welcome-sheet>.lib-ic{width:25px;height:25px}.lib-welcome-sheet>strong{font-size:13px;font-weight:900}.lib-welcome-sheet i{height:4px;border-radius:4px;background:currentColor;opacity:.15}.sheet-slide{width:153px;height:106px;left:6px;top:43px;transform:rotate(-12deg);background:#e2f2ec;color:#4b8e83;box-shadow:7px 7px #fff9}.sheet-slide i{position:absolute;width:58px;right:14px;top:43px}.sheet-slide i:last-child{top:54px;width:35px;right:37px}.sheet-article{width:126px;height:155px;left:142px;top:20px;transform:rotate(10deg);background:#fff8e9;color:#b29154}.sheet-quiz{width:155px;left:69px;top:130px;padding:15px;transform:rotate(-3deg);background:#fff;color:#8765c8}.sheet-quiz>.lib-ic{position:absolute;right:15px;top:12px;width:21px}.sheet-quiz span{font-size:13px;font-weight:850;letter-spacing:7px}.lib-welcome-art>b{position:absolute;right:3px;top:47px;font-size:32px;color:#bca8e0}.lib-welcome-types{display:flex;gap:16px;margin-top:20px}.lib-welcome-types span{display:flex;align-items:center;gap:6px;font-size:10px;color:#8b7da7;font-weight:800}.lib-welcome-types .lib-ic{width:14px;height:14px}.lib-welcome-form{padding:10px 0;min-width:0;animation:lib-enter .3s ease}.lib-welcome-progress{display:flex;align-items:center;gap:12px;margin-bottom:27px;width:148px}.lib-welcome-progress span{font-size:11px;font-weight:900;color:#beb8d0}.lib-welcome-progress span.is-on{color:var(--ld-brand)}.lib-welcome-progress i{height:2px;background:var(--ld-border);flex:1}.lib-welcome-progress i.is-on{background:var(--ld-brand)}.lib-welcome-step{color:var(--ld-muted);font-size:10px;font-weight:650}.lib-welcome-form h1{font-size:27px;letter-spacing:-.8px;line-height:1.25;margin:9px 0 10px;font-weight:900;outline:none}.lib-welcome-sub{font-size:12px;line-height:1.7;color:var(--ld-muted);margin:0 0 23px;max-width:360px}.lib-welcome-roles{display:grid;gap:10px}.lib-welcome-role{display:flex;align-items:center;text-align:left;gap:13px;padding:16px;border:1px solid var(--ld-border);border-radius:11px;background:var(--ld-surface);color:var(--ld-ink);cursor:pointer;transition:border-color .16s,background .16s}.lib-welcome-role:hover{border-color:#abbfd9}.lib-welcome-role.on{background:var(--ld-soft);border-color:var(--ld-brand)}.lib-welcome-role-icon{display:grid;place-items:center;width:36px;height:36px;background:var(--ld-bg);border-radius:9px;color:var(--ld-brand);flex:none}.lib-welcome-role-icon .lib-ic{width:20px;height:20px}.lib-welcome-role strong{display:block;font-size:13px;font-weight:850;margin-bottom:4px}.lib-welcome-role small{display:block;font-size:10px;color:var(--ld-muted);line-height:1.5}.lib-welcome-check{margin-left:auto;color:var(--ld-brand);width:18px;height:18px;border:1px solid var(--ld-border);border-radius:50%;flex:none}.lib-welcome-check .lib-ic{display:none;width:16px;height:16px}.lib-welcome-role.on .lib-welcome-check{border-color:var(--ld-brand);background:var(--ld-brand);color:#fff}.lib-welcome-role.on .lib-welcome-check .lib-ic{display:block}.lib-welcome-topics{display:grid;grid-template-columns:1fr 1fr;gap:10px;min-height:234px}.lib-welcome-topic{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px;font-size:12px;font-weight:800;border-radius:9px;border:1px solid var(--ld-border);background:var(--ld-surface);color:var(--ld-ink);cursor:pointer}.lib-welcome-topic .lib-ic{width:16px;height:16px;opacity:.15}.lib-welcome-topic.on{background:var(--ld-soft);border-color:var(--ld-brand);color:var(--ld-brand)}.lib-welcome-topic.on .lib-ic{opacity:1}.lib-welcome-actions{display:flex;gap:12px;margin-top:24px}.lib-welcome-primary{display:flex;align-items:center;justify-content:center;gap:12px;flex:1;border:0;border-radius:9px;min-height:44px;color:#fff;background:#0b57d0;font-size:12px;font-weight:850;box-shadow:0 5px 14px #528fdf20;cursor:pointer}.lib-welcome-primary:hover{background:#0842a0}.lib-welcome-primary:disabled{background:#d9e1eb;color:#a1abb9;box-shadow:none;cursor:default}.lib-welcome-primary .lib-ic,.lib-welcome-back .lib-ic{width:16px;height:16px}.lib-welcome-back{display:flex;align-items:center;justify-content:center;gap:6px;padding:0 13px;border:1px solid var(--ld-border);background:var(--ld-surface);color:var(--ld-muted);border-radius:9px;font-size:12px;font-weight:750;cursor:pointer}.lib-welcome-skip{display:block;margin:16px auto 0;padding:5px 10px;border:0;background:transparent;color:var(--ld-muted);font-size:11px;font-weight:700;cursor:pointer}.lib-welcome-footer{text-align:center;color:var(--ld-muted);font-size:10px;padding:0 20px 22px;letter-spacing:.5px}@keyframes lib-enter{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}html[data-theme=dark] .lib-discovery-type-tabs{background:#222b36}html[data-theme=dark] .lib-design-cover{filter:brightness(.77)}html[data-theme=dark] .lib-res-card__eyebrow{background:#382c4d;color:#c6adfa}html[data-theme=dark] .lib-res-card[data-kind=article] .lib-res-card__eyebrow{background:#3c3428;color:#dfc089}html[data-theme=dark] .lib-res-card[data-kind=slide] .lib-res-card__eyebrow{background:#233c39;color:#93d4c8}html[data-theme=dark] .lib-welcome-story{background:#282239;border-color:#3b304e}html[data-theme=dark] .lib-welcome-story h2{color:#e1d3fb}html[data-theme=dark] .lib-welcome-story>p{color:#ab9bbf}@media(min-width:1500px){.ex-body .ex-grid.lib-resource-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ex-body .lib-res-card__cover,.ex-body .lib-res-cover--ratio{height:138px}}@media(max-width:1120px){.ex-body .lib-main.lib-main-page,.ex-body .lib-shell-home .lib-main.lib-main-home{padding:25px}.lib-hero-art{flex-basis:170px;width:170px;transform:scale(.85);transform-origin:center}.lib-hero-copy h1{font-size:27px}.ex-body .lib-hero.lib-hero-minimal{padding:24px}.ex-body .lib-continue-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.ex-body .lib-continue-strip__item:nth-child(3){display:none}.lib-welcome-layout{gap:40px}.lib-welcome-story{padding:30px 25px}.lib-welcome-types{gap:10px}}@media(max-width:900px){:root{--q-sidebar-width:190px}.ex-body .lib-sidebar{padding-left:8px;padding-right:8px}.ex-body .lib-nav-item{font-size:12px;gap:9px;padding:10px}.ex-body .ex-grid.lib-resource-grid,.lib-skeleton-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lib-hero-art{display:none}.ex-body .lib-discovery-type-tab{padding:7px 10px}.ex-body .lib-discovery-type-tab .lib-ic{display:none}.lib-welcome-layout{padding:20px 30px;gap:30px}.lib-welcome-story h2{font-size:32px}.lib-welcome-art{transform:scale(.85);transform-origin:left center}.lib-welcome-types{flex-wrap:wrap}.lib-welcome-form h1{font-size:24px}}@media(max-width:720px){:root{--q-sidebar-width:0px;--q-nav-height:var(--qmf-header-h,58px)}.ex-body .lib-content,.ex-body .lib-shell--sidebar-collapsed .lib-content{margin-left:0!important;width:100%}.ex-body .lib-main.lib-main-page,.ex-body .lib-shell-home .lib-main.lib-main-home{padding:20px 18px 96px}.ex-body .lib-hero.lib-hero-minimal{padding:22px;margin-bottom:24px;min-height:0;border-radius:14px}.lib-hero-copy h1{font-size:27px;max-width:300px}.lib-hero-copy p{font-size:12px;line-height:1.7;margin:10px 0 18px}.ex-body .lib-search-bar__field,.ex-body .lib-search-ph{font-size:11px}.ex-body .lib-home-intro{margin-bottom:26px}.ex-body .lib-continue-panel__title{font-size:15px}.ex-body .lib-continue-strip{display:flex;overflow:auto;gap:10px;margin:0 -18px;padding:0 18px;scrollbar-width:none}.ex-body .lib-continue-strip__item{flex:0 0 260px}.ex-body .lib-continue-strip__item:nth-child(3){display:block}.ex-body .lib-section-title{font-size:19px}.ex-body .lib-discovery-panel__sub{font-size:11px}.ex-body .lib-discovery-toolbar__row{flex-wrap:wrap;gap:10px}.ex-body .lib-discovery-type-tabs{width:100%;padding:4px;gap:2px}.ex-body .lib-discovery-type-tab{flex:1;font-size:11px;min-height:34px;padding:7px 9px}.ex-body .lib-discovery-toolbar__filter-wrap{margin-left:auto}.ex-body .lib-filter-btn{min-height:34px;font-size:11px}.ex-body .lib-discovery-toolbar{margin-bottom:14px}.ex-body .ex-grid.lib-resource-grid{gap:12px}.ex-body .lib-res-card__cover,.ex-body .lib-res-cover--ratio{height:107px}.ex-body .lib-res-card__body{padding:11px;gap:8px}.ex-body .lib-res-card__title{font-size:12px;min-height:4.35em;-webkit-line-clamp:3}.lib-res-card__title button{-webkit-line-clamp:3}.ex-body .lib-res-card__meta{font-size:9px}.ex-body .lib-res-card__eyebrow{font-size:8px}.ex-body .lib-res-act{font-size:10px;padding:0 8px}.ex-body .lib-res-act--icon{flex-basis:29px;width:29px;min-height:32px}.ex-body .lib-res-act[data-act=preview],.ex-body .lib-res-act[data-act=open]{display:none}.ex-body .lib-res-card__actions-row{gap:5px}.lib-cover-brand{left:12px;top:13px;font-size:7px}.lib-cover-topic{left:12px;bottom:13px;font-size:8px;max-width:60%}.lib-cover-paper{right:12px;top:24px;width:49px;height:75px;padding:10px;gap:5px}.lib-res-cover--slide .lib-cover-paper{width:66px;height:47px;top:35px;right:12px}.lib-cover-paper .lib-ic,.lib-cover-paper .lib-ic-svg{width:18px;height:18px}.lib-cover-paper i{height:2px}.lib-res-cover--quiz .lib-cover-paper i{height:5px}.ex-body .lib-bottom-nav{display:flex;background:var(--ld-surface);border-top:1px solid var(--ld-border);box-shadow:0 -4px 20px #25243d05;padding-bottom:env(safe-area-inset-bottom);min-height:65px;z-index:100}.ex-body .lib-bottom-item{color:var(--ld-muted);font-size:9px;font-weight:800;min-height:62px}.ex-body .lib-bottom-item.active{color:var(--ld-brand);background:transparent}.ex-body .lib-bottom-item .lib-ic{width:20px;height:20px}.lib-welcome-top{height:72px;padding:0 22px}.lib-welcome-brand{font-size:15px;gap:8px}.lib-welcome-brand img{width:30px;height:30px}.lib-welcome-language select{font-size:11px}.lib-welcome-layout{display:block;max-width:500px;padding:12px 24px 30px;min-height:calc(100dvh - 120px)}.lib-welcome-story{min-height:0;padding:23px 24px;margin-bottom:27px;border-radius:16px}.lib-welcome-story h2{font-size:28px;margin:8px 0;max-width:none}.lib-welcome-story>p{font-size:11px;line-height:1.6;max-width:320px}.lib-welcome-art,.lib-welcome-types{display:none}.lib-welcome-story .lib-kicker{font-size:7px;margin:0}.lib-welcome-progress{margin-bottom:17px}.lib-welcome-form h1{font-size:25px}.lib-welcome-sub{font-size:12px;margin-bottom:20px}.lib-welcome-role{padding:14px}.lib-welcome-topic{font-size:12px;padding:15px 13px}.lib-welcome-topics{min-height:226px}.lib-welcome-footer{font-size:9px}.lib-welcome-actions{margin-top:22px}.lib-welcome-primary{min-height:46px}}@media(max-width:359px){.ex-body .ex-grid.lib-resource-grid{grid-template-columns:1fr}.lib-welcome-brand span{display:none}.ex-body .lib-discovery-type-tab{font-size:10px;padding:7px 6px}.lib-welcome-topics{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.ex-body *,.ex-body *:before,.ex-body *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}body.ex-body{--q-sidebar-width:216px;--q-nav-height:var(--qmf-header-h,58px);--q-primary:var(--ld-brand);--q-primary-soft:var(--ld-soft);--q-border:var(--ld-border)}html.lib-sidebar-collapsed body.ex-body{--q-sidebar-width:76px}.ex-body .lib-nav-main{gap:3px}.ex-body .lib-nav-item{margin-bottom:0}.sheet-quiz span{white-space:nowrap;letter-spacing:4px}.ex-body .ex-grid.lib-type-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ex-body .lib-page{border:0;background:transparent;box-shadow:none}.ex-body .lib-page-head{padding:0 0 22px;border:0;background:transparent}.ex-body .lib-page-title{font-size:25px;letter-spacing:-.6px}.ex-body .lib-type-layout{border:1px solid var(--ld-border);border-radius:13px;background:var(--ld-surface);box-shadow:none;overflow:hidden}.ex-body .lib-type-rail{border-right:1px solid var(--ld-border);background:var(--ld-surface);width:165px}.ex-body .lib-type-body{padding:18px}.ex-body .lib-type-toolbar{box-shadow:none;background:var(--ld-surface);border-bottom:1px solid var(--ld-border);padding:0 0 15px}.ex-body .lib-type-cat{border-radius:7px;font-size:12px}.ex-body .lib-type-cat.on{color:var(--ld-brand);background:var(--ld-soft);box-shadow:none}.ex-body .lib-detail-row{background:var(--ld-surface);border:1px solid var(--ld-border);border-radius:10px;box-shadow:none}.ex-body .lib-detail-row>.lib-res-cover{width:110px;min-width:110px;max-width:110px;height:100px}.ex-body .lib-detail-title{font-size:14px;color:var(--ld-ink)}@media(max-width:900px){body.ex-body{--q-sidebar-width:190px}.ex-body .lib-type-layout{display:block}.ex-body .lib-type-rail{width:100%;border-right:0;border-bottom:1px solid var(--ld-border)}.ex-body .lib-type-cats{display:flex;overflow:auto}.ex-body .lib-type-cat{white-space:nowrap}}@media(max-width:720px){body.ex-body,html.lib-sidebar-collapsed body.ex-body{--q-sidebar-width:0px;--q-nav-height:var(--qmf-header-h,58px)}.ex-body .lib-type-body{padding:12px}.ex-body .lib-type-toolbar,.ex-body .lib-type-tools{flex-wrap:wrap}.ex-body .lib-page-head{padding:0 0 18px}.ex-body .lib-type-search{min-width:0}.ex-body .lib-type-search input{width:100%;min-width:0}}@media(max-width:440px){.ex-body .ex-grid.lib-type-grid{grid-template-columns:1fr}}.ex-body .ex-overlay{background:#22203670;backdrop-filter:blur(4px)}.ex-body .ex-overlay-panel{border-radius:14px;background:var(--ld-surface);border:1px solid var(--ld-border);box-shadow:0 24px 80px #231d3b25;max-width:720px}.ex-body .ex-overlay-head{padding:16px 18px;border-bottom:1px solid var(--ld-border);gap:12px}.ex-body .ex-overlay-head input{font-size:14px;color:var(--ld-ink)}.ex-body .ex-overlay-head .ex-btn{border-radius:8px;min-height:34px;padding:0 14px;font-size:11px;box-shadow:none}.ex-body .ex-overlay-head .ex-btn-primary,.ex-body .ex-hit .ex-btn-primary{background:var(--ld-brand);color:#fff}.ex-body .ex-overlay-body{padding:12px 18px}.ex-body .ex-suggest{font-size:13px;border-radius:8px;color:var(--ld-ink)}.ex-body .ex-hit{border-radius:9px;padding:12px 8px;color:var(--ld-ink);border-bottom:1px solid var(--ld-border)}.ex-body .ex-hit .t{font-size:13px}.ex-body .ex-hit .s{font-size:10px;color:var(--ld-muted)}.ex-body .ex-hit .ex-btn{font-size:11px;min-height:30px;border-radius:7px;box-shadow:none}.ex-body .ex-hit .ic{background:var(--ld-soft);color:var(--ld-brand);border-radius:8px}.ex-body .ex-suggest-label{font-size:10px;color:var(--ld-muted)}@media(max-width:720px){.ex-body .ex-overlay{padding:70px 12px 18px}.ex-body .ex-overlay-panel{width:100%;max-height:calc(100dvh - 100px)}.ex-body .ex-overlay-head{padding:12px;gap:8px}.ex-body .ex-overlay-head input{min-width:0;width:100%;font-size:12px}.ex-body .ex-overlay-head .ex-btn{padding:0 10px;font-size:10px}.ex-body .ex-overlay-body{padding:10px}.ex-body .ex-hit{gap:8px}.ex-body .ex-hit .t{font-size:12px}.ex-body .ex-hit-actions{flex-direction:column;gap:4px}.ex-body .ex-hit .ic{min-width:28px;width:28px}}.lib-preferences-setting{margin-bottom:18px;padding:22px;border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-surface)}.lib-preferences-setting p{font-size:12px;color:var(--ld-muted);margin:9px 0 17px}.lib-preferences-setting .ex-btn{background:var(--ld-brand);color:#fff;border-radius:8px;box-shadow:none;font-size:12px}.lib-res-assign{display:flex;align-items:center;justify-content:center;gap:5px;background:transparent;color:var(--ld-brand);font-size:10px;border:0;width:100%;padding:9px 0 0;cursor:pointer;font-weight:800}.lib-res-assign .lib-ic{width:13px;height:13px}body.ex-body{font-size:16px}.ex-body .lib-nav-item{font-size:15px;min-height:46px;line-height:1.3}.lib-side-heading,.lib-side-heading span{font-size:12px}.ex-body .lib-nav-group-label{font-size:11px;letter-spacing:.8px;color:var(--ld-muted)}.lib-hero-copy h1{font-size:32px}.lib-hero-copy p{font-size:15px;color:var(--ld-muted);line-height:1.6;margin:9px 0 18px}.ex-body .lib-hero.lib-hero-minimal{min-height:196px;padding:24px 28px;margin-bottom:24px}.lib-kicker{font-size:11px}.ex-body .lib-search-bar__field,.ex-body .lib-search-ph{font-size:15px;color:#58647a}.ex-body .lib-hero-minimal .lib-search-bar.lib-search-bar--hero{height:48px;min-height:48px}.ex-body .lib-section-title{font-size:23px}.ex-body .lib-discovery-panel__sub{font-size:14px;line-height:1.6;color:var(--ld-muted)}.ex-body .lib-text-link,.ex-body .lib-filter-btn{font-size:14px}.ex-body .lib-discovery-type-tab{min-height:38px;font-size:14px;color:#536078;padding:8px 13px}.ex-body .lib-discovery-type-tabs{flex:0 1 auto;width:auto;max-width:100%}.ex-body .lib-res-card__body{padding:16px;gap:10px}.ex-body .lib-res-card__title{font-size:16px;line-height:1.5;font-weight:800;letter-spacing:0;min-height:3em}.ex-body .lib-res-card__meta{font-size:13px;line-height:1.45;color:var(--ld-muted)}.ex-body .lib-res-card__eyebrow{font-size:11px;letter-spacing:.35px;padding:5px 8px;color:#57349c;background:#eee6ff}.ex-body .lib-res-card[data-kind=article] .lib-res-card__eyebrow{color:#873f26;background:#fbe9dd}.ex-body .lib-res-card[data-kind=slide] .lib-res-card__eyebrow{color:#096862;background:#dbf1e9}.ex-body .lib-res-act{font-size:13px;min-height:38px}.ex-body .lib-res-act--icon{flex-basis:38px;width:38px;min-height:38px}.ex-body .lib-res-act--primary{color:#3569ad;background:#e7f0fc}.ex-body .lib-res-act--primary:hover{color:#fff;background:#417bc6}.ex-body .lib-res-act__ic.lib-ic .lib-ic-svg{width:18px;height:18px}.ex-body .lib-continue-panel__title{font-size:18px}.ex-body .lib-continue-mini__title{font-size:14px;line-height:1.5}.ex-body .lib-continue-mini__eyebrow{font-size:11px}.ex-body .lib-continue-mini__meta{font-size:12px;color:var(--ld-muted)}.ex-body .ex-hit .t{font-size:15px}.ex-body .ex-hit .s{font-size:12px}.ex-body .ex-suggest{font-size:15px}.ex-body .ex-hit .ex-btn,.ex-body .ex-overlay-head .ex-btn{font-size:13px;min-height:38px}.ex-body .ex-overlay-head input{font-size:16px}.lib-welcome-step{font-size:12px}.lib-welcome-sub{font-size:14px;line-height:1.7}.lib-welcome-story>p{font-size:15px;color:#67547f}.lib-welcome-role strong{font-size:15px}.lib-welcome-role small{font-size:13px;color:var(--ld-muted)}.lib-welcome-topic{font-size:14px;min-height:48px}.lib-welcome-primary,.lib-welcome-back{font-size:14px}.lib-welcome-skip{font-size:13px}.lib-welcome-footer{font-size:12px}.lib-welcome-language select{font-size:14px}.ex-body .lib-res-card__cover,.ex-body .lib-res-cover--ratio{height:140px}.lib-design-cover{--cover-bg:#6944c1;--cover-ink:#fff;background:linear-gradient(120deg,#7352d0,#4c309a);color:#fff}.lib-design-cover.lib-res-cover--article{--cover-bg:#a9573b;--cover-ink:#fff;background:linear-gradient(120deg,#b66042,#87432e)}.lib-design-cover.lib-res-cover--slide{--cover-bg:#137d78;--cover-ink:#fff;background:linear-gradient(120deg,#198e84,#0e635f)}.lib-design-cover.lib-res-cover--game{--cover-bg:#a23f73;--cover-ink:#fff;background:linear-gradient(120deg,#ad4a85,#7e2c63)}.lib-design-cover--v1{background-position:40% 0}.lib-design-cover--v2{background-size:130% 100%}.lib-cover-brand{left:17px;top:16px;font-size:9px;line-height:1;font-weight:900;letter-spacing:2px;opacity:.85;color:#fff}.lib-cover-topic{position:absolute;left:17px;top:47px;bottom:auto;display:block;max-width:54%;width:54%;font-size:19px;line-height:1.23;letter-spacing:-.3px;white-space:normal;text-overflow:clip;color:#fff;text-transform:none;z-index:3;overflow-wrap:anywhere}.lib-cover-emblem{position:absolute;right:18px;top:22px;width:92px;height:106px;background:#fff6e9;color:#92492e;border:1px solid #fff8;border-radius:9px;transform:rotate(9deg);box-shadow:7px 7px #ffffff20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;z-index:2}.lib-cover-emblem b{font-size:53px;font-weight:800;line-height:1;font-family:Georgia,"Noto Serif CJK SC",serif;letter-spacing:-3px}.lib-cover-emblem i{width:45px;height:3px;background:currentColor;opacity:.3;border-radius:2px}.lib-cover-emblem i:last-child{width:29px}.lib-cover-quiz{position:absolute;right:19px;top:18px;width:98px;height:110px;background:#fcfaff;transform:rotate(-8deg);border-radius:12px;box-shadow:7px 7px #fff2;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6440bc;gap:5px;z-index:2}.lib-cover-quiz b{font-size:65px;line-height:.95;font-weight:900;font-family:Georgia,serif}.lib-cover-quiz>span{display:flex;gap:5px}.lib-cover-quiz i{display:grid;place-items:center;width:20px;height:19px;background:#eee7fb;border-radius:4px;font-size:11px;font-weight:850;font-style:normal}.lib-cover-quiz i:first-child{color:#fff;background:#7a54d5}.lib-cover-slides{position:absolute;right:19px;top:36px;width:113px;height:79px;transform:rotate(-8deg);z-index:2}.lib-cover-slides>span{position:absolute;inset:8px -8px -8px 8px;border-radius:7px;background:#ffffff45}.lib-cover-slides>div{position:absolute;inset:0;background:#eefaf4;border:1px solid #ffffffc9;box-shadow:0 5px 12px #033f3d20;border-radius:7px;color:#11746e;display:grid;place-items:center}.lib-cover-slides .lib-ic{position:absolute;top:10px;left:10px;width:17px;height:17px}.lib-cover-slides b{font-size:33px;margin:6px 0 0 5px;color:#1c8c7b}.lib-cover-emblem--game{background:#fff0f7;color:#9a3e76;transform:rotate(10deg)}.lib-cover-emblem--game .lib-ic,.lib-cover-emblem--game .lib-ic-svg{width:58px;height:58px}.lib-cover-dot{width:205px;height:205px;right:-36px;top:-60px;opacity:.14;border-color:#fff}.lib-cover-dot:after{inset:26px}.lib-res-cover--sm .lib-cover-brand,.lib-res-cover--sm .lib-cover-topic{display:none}.lib-res-cover--sm .lib-cover-emblem,.lib-res-cover--sm .lib-cover-quiz{width:57px;height:72px;right:14px;top:17px;gap:4px;border-radius:6px}.lib-res-cover--sm .lib-cover-emblem b{font-size:34px}.lib-res-cover--sm .lib-cover-quiz b{font-size:42px}.lib-res-cover--sm .lib-cover-quiz i{width:11px;height:11px;font-size:7px}.lib-res-cover--sm .lib-cover-emblem i{width:30px;height:2px}.lib-res-cover--sm .lib-cover-slides{width:59px;height:44px;right:16px;top:31px}.lib-res-cover--sm .lib-cover-slides b{font-size:20px}.lib-res-cover--sm .lib-cover-slides .lib-ic{display:none}.ex-body .lib-sidebar .lib-header-rail-toggle{position:absolute;right:10px;left:auto;top:18px;width:29px;height:29px;border:1px solid var(--ld-border);border-radius:7px;background:var(--ld-surface);color:var(--ld-muted);display:grid;place-items:center;padding:4px;cursor:pointer;box-shadow:none}.ex-body .lib-shell--sidebar-collapsed .lib-header-rail-toggle{display:none}html[data-theme=dark] .lib-design-cover{filter:none}html[data-theme=dark] .lib-res-card__meta{color:#bac2d5}html[data-theme=dark] .lib-search-ph{color:#b7c1d6}html[data-theme=dark] .lib-res-act--primary{color:#d1e5ff;background:#2b3c52}html[data-theme=dark] .lib-discovery-type-tab{color:#bac2d5}html[data-theme=dark] .lib-welcome-story>p{color:#c1b1d4}@media(max-width:1120px){.lib-hero-copy h1{font-size:30px}.ex-body .lib-nav-item{font-size:14px}.lib-cover-topic{font-size:17px;max-width:51%;width:51%}.lib-cover-emblem{right:14px;width:83px}.lib-cover-quiz{right:14px;width:87px}.lib-cover-slides{right:16px;width:97px}}@media(max-width:720px){.ex-body .lib-sidebar{display:none!important}.ex-body .lib-main.lib-main-page,.ex-body .lib-shell-home .lib-main.lib-main-home{padding:20px 16px 96px}.ex-body .lib-hero.lib-hero-minimal{padding:21px;min-height:0}.lib-hero-copy h1{font-size:28px}.lib-hero-copy p{font-size:14px;line-height:1.6}.ex-body .lib-search-bar__field,.ex-body .lib-search-ph{font-size:14px}.ex-body .lib-discovery-panel__sub{font-size:13px}.ex-body .lib-discovery-toolbar__row{display:flex;flex-wrap:wrap;gap:10px}.ex-body .lib-discovery-type-tabs{width:100%;max-width:100%;gap:3px;overflow-x:auto}.ex-body .lib-discovery-type-tab{flex:0 0 auto;font-size:13px;min-height:40px;padding:8px 11px}.ex-body .lib-filter-btn{font-size:13px;min-height:38px}.ex-body .lib-res-card__cover,.ex-body .lib-res-cover--ratio{height:124px}.ex-body .lib-res-card__body{padding:12px;gap:9px}.ex-body .lib-res-card__title{font-size:15px;line-height:1.5;min-height:4.5em}.ex-body .lib-res-card__meta{font-size:12px}.ex-body .lib-res-card__eyebrow{font-size:10px}.ex-body .lib-res-act{font-size:12px;min-height:38px;padding:0 9px}.ex-body .lib-res-act--icon{flex-basis:34px;width:34px;min-height:38px}.ex-body .lib-bottom-item{font-size:11px;color:var(--ld-muted)}.ex-body .lib-bottom-item[data-nav=my-resources]{font-size:10px}.lib-cover-brand{left:12px;top:13px;font-size:8px;letter-spacing:1.5px}.lib-cover-topic{left:12px;top:37px;width:57%;max-width:57%;font-size:14px;line-height:1.25;z-index:3}.lib-cover-emblem{width:57px;height:76px;right:9px;top:35px;opacity:.96;transform:rotate(8deg)}.lib-cover-emblem b{font-size:37px}.lib-cover-emblem i{width:30px;height:2px}.lib-cover-emblem i:last-child{width:20px}.lib-cover-quiz{right:8px;top:32px;width:58px;height:80px;border-radius:8px;gap:5px}.lib-cover-quiz b{font-size:43px}.lib-cover-quiz i{width:13px;height:13px;font-size:8px}.lib-cover-quiz>span{gap:3px}.lib-cover-slides{right:8px;top:45px;width:64px;height:46px}.lib-cover-slides b{font-size:23px}.lib-cover-slides .lib-ic{display:none}.lib-cover-emblem--game .lib-ic,.lib-cover-emblem--game .lib-ic-svg{width:37px;height:37px}.lib-cover-dot{right:-85px}.lib-welcome-story>p{font-size:13px}.lib-welcome-sub{font-size:14px}.lib-welcome-role small{font-size:12px}.lib-welcome-form h1{font-size:26px}.lib-welcome-language select{font-size:13px}.lib-welcome-step{font-size:11px}.lib-welcome-primary{min-height:48px}.lib-welcome-skip{font-size:13px}.ex-body .ex-overlay-head input{font-size:16px}}@media(max-width:720px){.lib-design-cover .lib-cover-topic{width:47%;max-width:47%}}.ex-body .lib-page--catalog{width:100%;min-width:0;max-width:100%}.ex-body .lib-page--catalog .lib-page-head{padding:0;margin-bottom:22px}.ex-body .lib-page--catalog .lib-page-sub{font-size:15px;line-height:1.6;color:var(--ld-muted);max-width:none}.ex-body .lib-page--catalog .lib-page-body{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;min-width:0}.ex-body .lib-discovery-toolbar--catalog{width:100%;min-width:0;margin:0 0 22px}.ex-body .lib-discovery-toolbar--catalog .lib-discovery-toolbar__row{display:block;min-width:0}.ex-body .lib-discovery-toolbar--catalog .lib-discovery-type-tabs{display:flex;flex-wrap:nowrap;gap:5px;width:100%;max-width:100%;min-width:0;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;padding:5px;border-radius:11px}.ex-body .lib-discovery-toolbar--catalog .lib-discovery-type-tab{flex:0 0 auto;min-height:40px;padding:9px 14px;font-size:14px;white-space:nowrap}.ex-body .lib-catalog-topic-title{font-size:19px;margin:0 0 15px;color:var(--ld-ink)}.ex-body .lib-resource-grid>.lib-res-card{margin:0;width:100%;min-width:0;height:100%}.ex-body .lib-res-card__body{min-width:0}.lib-res-card__title button{overflow-wrap:anywhere}@media(min-width:721px)and (max-width:1199px){.ex-body .ex-grid.lib-resource-grid,.lib-skeleton-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.ex-body .lib-page--catalog .lib-page-head{margin-bottom:18px;padding:0}.ex-body .lib-page-title{font-size:26px;line-height:1.25}.ex-body .lib-page--catalog .lib-page-sub{font-size:14px;line-height:1.6;margin-top:7px}.ex-body .lib-discovery-toolbar--catalog{margin-bottom:20px}.ex-body .lib-discovery-toolbar--catalog .lib-discovery-type-tabs{border-radius:10px;padding:4px}.ex-body .lib-discovery-toolbar--catalog .lib-discovery-type-tab{min-height:40px;padding:9px 12px;font-size:13px}.ex-body .lib-catalog-topic-title{font-size:18px;margin-bottom:14px}.ex-body .lib-bottom-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;align-items:stretch;padding:5px 6px calc(5px + env(safe-area-inset-bottom,0px));min-height:66px;width:100%}.ex-body .lib-bottom-item{min-width:0;width:100%;padding:6px 2px;min-height:54px;justify-content:center;gap:5px;border-radius:8px}.ex-body .lib-bottom-item span:not(.lib-ic){display:block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px;line-height:1.2}.ex-body .lib-bottom-item .lib-ic{display:inline-flex;width:21px;height:21px;flex:0 0 21px}.ex-body .lib-bottom-item .lib-ic-svg{width:21px;height:21px}.ex-body .lib-main.lib-main-page,.ex-body .lib-shell-home .lib-main.lib-main-home{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.ex-body .lib-detail-row{flex-wrap:wrap;min-width:0}.ex-body .lib-detail-main{min-width:0}.ex-body .lib-detail-actions{flex-wrap:wrap}}@media(max-width:479px){.ex-body .ex-grid.lib-resource-grid,.ex-body .ex-grid.lib-type-grid,.lib-skeleton-grid{grid-template-columns:minmax(0,1fr)}.ex-body .lib-res-card__cover,.ex-body .lib-res-cover--ratio{height:140px}.ex-body .lib-res-card__body{padding:15px;gap:10px}.ex-body .lib-res-card__title{font-size:16px;min-height:0;-webkit-line-clamp:3;line-height:1.5}.ex-body .lib-res-card__meta{font-size:13px}.ex-body .lib-res-act{min-height:42px;font-size:13px}.ex-body .lib-res-act--icon{width:42px;flex-basis:42px;min-height:42px}.lib-design-cover .lib-cover-topic{left:17px;top:48px;width:53%;max-width:53%;font-size:20px}.lib-cover-brand{left:17px;top:17px;font-size:9px}.lib-cover-emblem{width:92px;height:106px;right:19px;top:22px}.lib-cover-emblem b{font-size:53px}.lib-cover-emblem i{width:45px;height:3px}.lib-cover-quiz{width:98px;height:110px;right:20px;top:18px;border-radius:12px}.lib-cover-quiz b{font-size:65px}.lib-cover-quiz>span{gap:5px}.lib-cover-quiz i{width:20px;height:19px;font-size:11px}.lib-cover-slides{width:113px;height:79px;right:20px;top:36px}.lib-cover-slides b{font-size:33px}.lib-cover-slides .lib-ic{display:block}.ex-body .lib-hero-copy h1{font-size:26px}.ex-body .lib-hero-art{display:none}}@media(hover:none){.ex-body .lib-res-card:hover{transform:none;box-shadow:0 2px 4px #20283e02}}@media(min-width:721px){.ex-body .lib-sidebar{display:flex}.ex-body .lib-bottom-nav{display:none}}.ex-body .lib-res-card{container-type:inline-size}.ex-body .lib-res-card__actions{padding-top:12px;margin-top:auto}.ex-body .lib-res-card__actions-row{display:flex;align-items:stretch;gap:8px;width:100%;min-width:0}.ex-body .lib-res-card .lib-res-act{position:relative;min-height:42px;border-radius:10px;font-size:13px;font-weight:800;line-height:1.2;transition:background .16s,border-color .16s,box-shadow .16s,transform .16s;cursor:pointer}.ex-body .lib-res-card .lib-res-act--primary{display:flex;align-items:center;justify-content:center;gap:9px;flex:1 1 0;min-width:0;padding:0 13px;border:1px solid #437fce;background:#0b57d0;color:#fff;box-shadow:0 3px 7px #3c74bd1a,inset 0 1px #ffffff26}.ex-body .lib-res-card .lib-res-act--primary:hover{background:#0842a0;border-color:#0842a0;box-shadow:0 5px 12px #3c74bd28;transform:translateY(-1px)}.ex-body .lib-res-card .lib-res-act--primary:active{transform:translateY(0);box-shadow:inset 0 2px 4px #1d417026}.lib-res-act__label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;flex:1 1 auto}.ex-body .lib-res-act__leading,.ex-body .lib-res-act__arrow{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;flex:0 0 17px}.ex-body .lib-res-act__leading .lib-ic-svg,.ex-body .lib-res-act__arrow .lib-ic-svg{width:17px;height:17px}.ex-body .lib-res-act__arrow{opacity:.85}.ex-body .lib-res-card .lib-res-act--icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;min-height:42px;padding:0;border:1px solid #dfe2ec;background:var(--ld-surface);color:#626c82;box-shadow:0 1px 2px #20283b04}.ex-body .lib-res-card .lib-res-act--icon:hover{border-color:#a5c2e8;background:#f1f7fe;color:#4680cb;transform:translateY(-1px)}.ex-body .lib-res-card .lib-res-act--icon:active{transform:none;background:#e5eefa}.ex-body .lib-res-card .lib-res-act--claim.is-on{border-color:#b6cfef;background:#e8f1fc;color:#407ac6;box-shadow:inset 0 0 0 1px #407ac608}.ex-body .lib-res-card .lib-res-act:focus-visible{outline:3px solid #a1c4f1;outline-offset:3px;box-shadow:0 0 0 1px var(--ld-surface)}.ex-body .lib-res-card .lib-res-act:disabled{cursor:wait;transform:none;opacity:.7}.ex-body .lib-res-card .lib-res-act[aria-busy=true] .lib-ic{opacity:0}.ex-body .lib-res-card .lib-res-act[aria-busy=true]:after{content:"";position:absolute;left:calc(50% - 8px);top:calc(50% - 8px);width:16px;height:16px;border:2px solid #c8d8ed;border-top-color:#5089d4;border-radius:50%;animation:lib-action-spin .75s linear infinite}@keyframes lib-action-spin{to{transform:rotate(360deg)}}.ex-body .lib-res-assign{min-height:36px;margin:9px 0 0;padding:7px 12px;border:1px solid var(--ld-border);border-radius:9px;background:var(--ld-surface);font-size:12px;font-weight:750;color:var(--ld-brand)}.ex-body .lib-res-assign:hover{background:var(--ld-soft);border-color:#a5c2e8}html[data-theme=dark] .ex-body .lib-res-card .lib-res-act--primary{color:#fff;background:#0b57d0;border-color:#0b57d0}html[data-theme=dark] .ex-body .lib-res-card .lib-res-act--icon{background:#25293a;color:#c1c9dc;border-color:#42485f}html[data-theme=dark] .ex-body .lib-res-card .lib-res-act--icon:hover{color:#dfedff;background:#2a384b;border-color:#6d96cc}html[data-theme=dark] .ex-body .lib-res-card .lib-res-act--claim.is-on{background:#2c3f58;color:#c8e0ff;border-color:#7299cb}@container (max-width:270px){.ex-body .lib-res-act__arrow{display:none}.ex-body .lib-res-card .lib-res-act--primary{padding:0 10px;gap:7px}}@media(max-width:720px){.ex-body .lib-res-card .lib-res-act{min-height:44px;font-size:13px}.ex-body .lib-res-card .lib-res-act--icon{width:44px;flex-basis:44px;min-height:44px}.ex-body .lib-res-card .lib-res-act--preview{display:none}.ex-body .lib-res-card__actions{padding-top:10px}}@media(max-width:479px){.ex-body .lib-res-card .lib-res-act--preview{display:inline-flex}}@media(hover:none){.ex-body .lib-res-card .lib-res-act:hover{transform:none}}@media(prefers-reduced-motion:reduce){.ex-body .lib-res-card .lib-res-act[aria-busy=true]:after{animation:none}}.ex-body .lib-res-act .lib-ic{color:inherit}.ex-body .lib-sidebar,.ex-body .lib-sidebar__scroll{scrollbar-width:none;-ms-overflow-style:none}.ex-body .lib-sidebar::-webkit-scrollbar,.ex-body .lib-sidebar__scroll::-webkit-scrollbar{display:none;width:0;height:0}.ex-body #lab-header .lab-header__join-quiz{background:#0b57d0!important;border-color:#0b57d0!important;box-shadow:none!important;color:#fff!important}.ex-body #lab-header .lab-header__join-quiz:hover{background:#0842a0!important;border-color:#0842a0!important}.ex-body #lab-header .lab-header__nav-link:is(.is-active,:hover){background:var(--ld-soft);color:var(--ld-brand)}.ex-body #lab-header :is(button,a):focus-visible{outline-color:var(--ld-brand)}.ex-body .lib-res-card .lib-res-act--quiz{min-height:50px;padding:5px 10px 5px 6px;gap:8px;border:1px solid #5899ff;border-bottom:0;border-radius:14px;background:linear-gradient(180deg,#2878ef,#0b57d0);color:#fff;box-shadow:0 5px #083b91,0 7px 12px #0b57d024,inset 0 1px #ffffff40;margin-bottom:5px;font-size:15px;font-weight:900;letter-spacing:.1px}.ex-body .lib-res-card .lib-res-act--quiz:hover{background:linear-gradient(180deg,#3888ff,#1568e5);border-color:#8ab9ff;box-shadow:0 6px #083b91,0 10px 18px #0b57d02b;transform:translateY(-1px)}.ex-body .lib-res-card .lib-res-act--quiz:active{transform:translateY(4px);box-shadow:0 1px #083b91}.lib-res-act__logo{flex:0 0 32px;width:32px;height:32px;border-radius:9px;transform:rotate(-7deg);box-shadow:0 2px 5px #00285c40}.lib-res-act__play{flex:0 0 28px;display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#ffe16b;color:#173664;font-size:12px;box-shadow:0 2px #d8a72e}.ex-body .lib-res-card[data-kind=quiz] .lib-res-card__actions-row{align-items:flex-start}.ex-body .lib-res-card[data-kind=quiz] .lib-res-act--icon{min-height:50px;border-radius:13px;box-shadow:0 3px 0 var(--ld-border)}.ex-body .lib-res-card .lib-res-act--preview{display:inline-flex}body.lib-play-picker-open,body.lib-quiz-preview-open{overflow:hidden}.qm-play-mode--arcade,.lib-quiz-preview{position:fixed;inset:0;z-index:11000;display:grid;place-items:center;padding:24px;background:#070d23bd;backdrop-filter:blur(10px);box-sizing:border-box;overscroll-behavior:contain;font-family:Nunito,system-ui,sans-serif}.qm-play-mode--arcade *,.lib-quiz-preview *{box-sizing:border-box}.qm-play-mode--arcade .qm-play-mode__panel{position:relative;width:min(880px,100%);max-height:calc(100dvh - 48px);overflow:auto;border:2px solid #53638b;border-radius:28px;padding:24px 28px 28px;color:#fff;background:radial-gradient(ellipse at 95% 0,#44328b70,transparent 55%),#101b36;box-shadow:0 9px #080f24,0 28px 90px #03091d99;scrollbar-width:thin;scrollbar-color:#53638b #101b36}.qm-play-mode--arcade .qm-play-mode__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 18px;padding:0;border:0}.qm-play-mode__brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:-.6px}.qm-play-mode__brand img{border-radius:10px}.qm-play-mode__brand b{display:inline-block;padding:1px 9px;margin-left:3px;border-radius:8px;background:#ffe16b;color:#1c2543;transform:rotate(-6deg);font-style:italic;box-shadow:0 3px #b78d24}.qm-play-mode--arcade .qm-play-mode__close,.lib-quiz-preview__close{flex:0 0 40px;width:40px;height:40px;display:grid;place-items:center;padding:0;border:1px solid #7280a559;border-radius:12px;background:#ffffff0c;color:#d9e2ff;font:26px/1 system-ui;cursor:pointer;box-shadow:0 3px #060d21}.qm-play-mode--arcade .qm-play-mode__close:hover,.lib-quiz-preview__close:hover{background:#ffffff20;color:#fff}.qm-play-mode--arcade #qm-play-title{margin:0;color:#fff;font-size:clamp(25px,3.3vw,34px);line-height:1.2;font-weight:1000;letter-spacing:-.8px}.qm-play-mode__quiz-title{margin:8px 0 23px;color:#b6c4e6;font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.qm-play-mode__section h3{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:#c4d0ed;text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:900}.qm-play-mode__section h3:after{content:"";height:1px;background:#8b9bc335;flex:1}.qm-play-mode__section+.qm-play-mode__section{margin-top:24px}.qm-play-mode--arcade .qm-play-mode__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.qm-play-mode--arcade .qm-play-mode__grid--games{grid-template-columns:repeat(2,minmax(0,1fr))}.qm-play-mode--arcade .qm-play-mode__tile{--tile-top:#2d63d2;--tile-bottom:#19409c;--tile-base:#0b275f;--tile-edge:#7ca9ff;position:relative;display:flex;align-items:flex-start;flex-direction:column;min-width:0;min-height:192px;padding:18px;text-align:left;overflow:hidden;isolation:isolate;border:1px solid var(--tile-edge);border-radius:20px;background:linear-gradient(145deg,var(--tile-top),var(--tile-bottom));color:#fff;box-shadow:0 6px 0 var(--tile-base),inset 0 1px #ffffff35;cursor:pointer;font-family:inherit;transition:transform .15s,filter .15s,box-shadow .15s}.qm-play-mode--arcade .qm-play-mode__tile:before{content:"";position:absolute;z-index:-1;width:180px;height:180px;border-radius:50%;border:25px solid #ffffff08;right:-65px;top:-65px;pointer-events:none}.qm-play-mode--arcade .qm-play-mode__tile--quiz{--tile-top:#8b50d4;--tile-bottom:#5934a6;--tile-base:#342064;--tile-edge:#ba92f4}.qm-play-mode--arcade .qm-play-mode__tile--assign{--tile-top:#198c6d;--tile-bottom:#11674e;--tile-base:#084331;--tile-edge:#68c9a2}.qm-play-mode--arcade .qm-play-mode__tile--arena{--tile-top:#14495a;--tile-bottom:#0b253d;--tile-base:#061929;--tile-edge:#459bad}.qm-play-mode--arcade .qm-play-mode__tile--tycoon{--tile-top:#c7742d;--tile-bottom:#92431d;--tile-base:#59280f;--tile-edge:#f4b77c}.qm-play-mode--arcade .qm-play-mode__tile:hover:not(:disabled){transform:translateY(-3px);filter:brightness(1.1);box-shadow:0 9px 0 var(--tile-base),0 12px 25px #0003}.qm-play-mode--arcade .qm-play-mode__tile:active:not(:disabled){transform:translateY(5px);box-shadow:0 1px 0 var(--tile-base)}.qm-play-mode--arcade .qm-play-mode__tile:disabled{opacity:.45;cursor:default}.qm-play-mode__logo{flex:0 0 auto;width:64px;height:64px;border-radius:17px;transform:rotate(-7deg);filter:drop-shadow(0 5px 5px #0004);margin-bottom:16px}.qm-play-mode__copy{display:flex;flex-direction:column;gap:5px;min-width:0;padding-right:28px}.qm-play-mode--arcade .qm-play-mode__name{font-size:23px;font-weight:1000;line-height:1.2;color:#fff;letter-spacing:-.4px}.qm-play-mode--arcade .qm-play-mode__blurb{font-size:12px;line-height:1.45;color:#f0f4ff;margin:0;opacity:.85}.qm-play-mode__go{position:absolute;right:15px;bottom:18px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#ffffff24;color:#fff;font-size:11px;box-shadow:0 2px #0002}.qm-play-mode__grid--games .qm-play-mode__tile{flex-direction:row;align-items:center;gap:18px;min-height:124px}.qm-play-mode__grid--games .qm-play-mode__logo{width:72px;height:72px;margin:0}.qm-play-mode__grid--games .qm-play-mode__copy{padding-right:16px}.qm-play-mode--arcade button:focus-visible,.lib-quiz-preview button:focus-visible{outline:3px solid #ffe16b;outline-offset:4px}.lib-quiz-preview{z-index:10900}.lib-quiz-preview__panel{display:flex;flex-direction:column;width:min(900px,100%);height:min(820px,calc(100dvh - 48px));border:2px solid #53638b;border-radius:24px;background:var(--ld-surface,#fff);color:var(--ld-ink,#20283b);box-shadow:0 8px #080f24,0 28px 90px #03091d99;overflow:hidden}.lib-quiz-preview__head{display:flex;align-items:center;gap:14px;padding:18px 22px;background:#101b36;color:#fff;flex-shrink:0}.lib-quiz-preview__head>div{flex:1;min-width:0}.lib-quiz-preview__head>img{flex:0 0 44px;border-radius:12px;transform:rotate(-5deg)}.lib-quiz-preview__head small{display:block;margin-bottom:4px;font-size:11px;font-weight:900;letter-spacing:1.5px;text-transform:uppercase;color:#a9c7ff}.lib-quiz-preview__head h2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;color:#fff;font-size:17px;line-height:1.45;font-weight:900}.lib-quiz-preview__scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:20px}.lib-quiz-preview__stage .qe-prev{border-radius:18px;overflow:hidden}.lib-quiz-preview__stage .qe-prev__prompt{font-size:24px}.lib-quiz-preview__questions{padding-top:20px}.lib-quiz-preview__questions .ex-quiz-body__q,.lib-quiz-preview__questions .ex-quiz-body__opt-label{color:var(--ld-ink,#20283b)}.lib-quiz-preview__status{display:grid;place-content:center;gap:16px;min-height:250px;text-align:center;color:var(--ld-muted,#525f73);font-weight:700;padding:24px}.lib-quiz-preview__status p{margin:0;line-height:1.6}.lib-quiz-preview__status button{justify-self:center;padding:11px 22px;border:1px solid #aac6ee;border-radius:12px;background:var(--ld-soft,#e8f0fe);color:var(--ld-brand,#0b57d0);font:800 14px Nunito,system-ui;cursor:pointer}.lib-quiz-preview__foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-shrink:0;padding:16px 22px 20px;border-top:1px solid var(--ld-border,#e7e8f1);background:var(--ld-surface,#fff);font-size:12px;color:var(--ld-muted,#525f73)}.lib-quiz-preview__play{min-height:44px;border:1px solid #5899ff;border-bottom:0;border-radius:12px;padding:10px 20px;background:linear-gradient(#2878ef,#0b57d0);color:#fff;box-shadow:0 4px #083b91;font:900 15px Nunito,system-ui;cursor:pointer}.lib-quiz-preview__play:active{transform:translateY(3px);box-shadow:0 1px #083b91}@media(max-width:600px){.qm-play-mode--arcade,.lib-quiz-preview{padding:12px}.qm-play-mode--arcade .qm-play-mode__panel{padding:18px 16px 24px;border-radius:23px;max-height:calc(100dvh - 24px)}.qm-play-mode--arcade .qm-play-mode__head{margin-bottom:17px}.qm-play-mode__quiz-title{margin-bottom:18px;font-size:12px}.qm-play-mode--arcade .qm-play-mode__grid,.qm-play-mode--arcade .qm-play-mode__grid--games{grid-template-columns:1fr;gap:12px}.qm-play-mode--arcade .qm-play-mode__tile,.qm-play-mode__grid--games .qm-play-mode__tile{flex-direction:row;align-items:center;gap:15px;padding:13px 15px;min-height:88px;border-radius:17px}.qm-play-mode__logo,.qm-play-mode__grid--games .qm-play-mode__logo{width:52px;height:52px;margin:0;border-radius:14px}.qm-play-mode__copy,.qm-play-mode__grid--games .qm-play-mode__copy{padding-right:26px;gap:4px}.qm-play-mode--arcade .qm-play-mode__name{font-size:21px}.qm-play-mode--arcade .qm-play-mode__blurb{font-size:12px}.qm-play-mode__go{bottom:calc(50% - 14px)}.qm-play-mode__section+.qm-play-mode__section{margin-top:22px}.lib-quiz-preview__panel{height:calc(100dvh - 24px);border-radius:20px}.lib-quiz-preview__head{padding:14px;gap:10px}.lib-quiz-preview__head h2{font-size:14px}.lib-quiz-preview__scroll{padding:12px}.lib-quiz-preview__foot{padding:12px 14px 17px;gap:10px}.lib-quiz-preview__stage .qe-prev__prompt{font-size:19px}.lib-quiz-preview__play{font-size:13px;padding:9px 14px;white-space:nowrap}}@media(max-width:360px){.ex-body .lib-res-card .lib-res-act--quiz{font-size:13px;gap:6px;padding-right:8px}.lib-res-act__logo{width:27px;height:27px;flex-basis:27px}.lib-res-act__play{width:23px;height:23px;flex-basis:23px;font-size:10px}}@media(prefers-reduced-motion:reduce){.qm-play-mode--arcade .qm-play-mode__tile{transition:none}.qm-play-mode--arcade .qm-play-mode__tile:hover:not(:disabled){transform:none}}body.lib-homework-open{overflow:hidden}.lib-homework{position:fixed;inset:0;z-index:11200;display:grid;place-items:center;padding:20px;box-sizing:border-box;background:#070d23c4;backdrop-filter:blur(10px);font-family:Nunito,system-ui,sans-serif}.lib-homework *{box-sizing:border-box}.lib-homework__panel{width:min(570px,100%);max-height:calc(100dvh - 40px);overflow:auto;background:var(--ld-surface,#fff);color:var(--ld-ink,#20283b);border:2px solid #627398;border-radius:24px;box-shadow:0 8px #080f24,0 28px 90px #03091d99}.lib-homework__head{display:flex;align-items:center;gap:14px;padding:22px;background:radial-gradient(ellipse at 100% 0,#3c527d,#101b36);color:#fff}.lib-homework__head img{flex:0 0 52px;border-radius:14px;transform:rotate(-6deg);filter:drop-shadow(0 3px 3px #0004)}.lib-homework__head>div{flex:1;min-width:0}.lib-homework__head h2{margin:0;color:#fff;font-size:24px;font-weight:1000;line-height:1.2}.lib-homework__head p{margin:6px 0 0;color:#c4d0ed;font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-homework__head button{flex:0 0 38px;width:38px;height:38px;border:1px solid #7280a559;border-radius:11px;background:#ffffff0c;color:#d9e2ff;font:25px/1 system-ui;cursor:pointer}.lib-homework__body{padding:24px}.lib-homework__tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:25px}.lib-homework__tabs button{min-height:56px;padding:10px 12px;border:1px solid var(--ld-border,#e7e8f1);border-radius:13px;background:var(--ld-bg,#f7f8fc);box-shadow:0 4px 0 var(--ld-border,#e7e8f1);color:var(--ld-ink,#20283b);font:900 14px Nunito,system-ui;cursor:pointer}.lib-homework__tabs button[aria-pressed=true]{background:#0b57d0;color:#fff;border-color:#5899ff;box-shadow:0 4px #083b91}.lib-homework label{display:flex;flex-direction:column;gap:9px;margin:0 0 20px;font-size:13px;font-weight:900}.lib-homework input,.lib-homework select{width:100%;min-width:0;min-height:48px;padding:11px 13px;border:1px solid var(--ld-border,#e7e8f1);border-radius:12px;background:var(--ld-bg,#f7f8fc);color:var(--ld-ink,#20283b);font:700 15px Nunito,system-ui}.lib-homework__actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin:26px 0 4px}.lib-homework__actions button,.lib-homework__primary{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:11px 18px;border:1px solid var(--ld-border,#e7e8f1);border-radius:12px;background:var(--ld-bg,#f7f8fc);color:var(--ld-muted,#525f73);font:900 14px Nunito,system-ui;line-height:1.45;cursor:pointer;text-decoration:none;text-align:center}.lib-homework .lib-homework__primary{background:linear-gradient(#2c89e5,#0b57d0);border-color:#5899ff;color:#fff;box-shadow:0 4px #083b91}.lib-homework .lib-homework__primary:active{transform:translateY(3px);box-shadow:0 1px #083b91}.lib-homework button:disabled{cursor:wait;opacity:.55}.lib-homework__hint{font-size:12px;color:var(--ld-muted,#525f73);line-height:1.6}.lib-homework__hint button{border:0;background:none;color:var(--ld-brand,#0b57d0);font:800 12px Nunito,system-ui;cursor:pointer;text-decoration:underline}.lib-homework__error{padding:12px;border:1px solid #e5a599;border-radius:12px;background:#fff2ed;color:#972f27;font-size:13px;line-height:1.6}.lib-homework__error[hidden]{display:none}.lib-homework__error a{font-weight:900;text-decoration:underline}.lib-homework__status{display:grid;place-content:center;gap:15px;min-height:190px;text-align:center;line-height:1.6;font-weight:700}.lib-homework__status p{margin:0}.lib-homework__result{display:flex;flex-direction:column;align-items:center;gap:15px;text-align:center;padding:8px 0}.lib-homework__check{display:grid;place-items:center;width:60px;height:60px;border-radius:19px;background:#d3f3d7;color:#187139;font-size:35px;font-weight:1000;box-shadow:0 5px #a5d9af;transform:rotate(-6deg)}.lib-homework__result h3{margin:7px 0 0;font-size:26px;font-weight:1000;color:var(--ld-ink,#20283b)}.lib-homework__result>p{margin:0}.lib-homework__result small{margin-top:6px;font-size:12px;font-weight:800;color:var(--ld-muted,#525f73)}.lib-homework__code{font-size:32px;letter-spacing:4px;font-weight:1000;color:var(--ld-brand,#0b57d0);overflow-wrap:anywhere}.lib-homework__result>a{margin-top:7px;color:var(--ld-brand,#0b57d0);font-size:14px;font-weight:900;text-decoration:underline}.lib-homework button:focus-visible,.lib-homework a:focus-visible,.lib-homework input:focus-visible,.lib-homework select:focus-visible{outline:3px solid #f2bc36;outline-offset:3px}@media(max-width:600px){.lib-homework{padding:12px}.lib-homework__panel{max-height:calc(100dvh - 24px);border-radius:20px}.lib-homework__head{padding:18px 15px;gap:10px}.lib-homework__head h2{font-size:22px}.lib-homework__head img{width:44px;height:44px;flex-basis:44px}.lib-homework__body{padding:20px 16px}.lib-homework__tabs{gap:9px}.lib-homework__tabs button{font-size:13px}.lib-homework input,.lib-homework select{font-size:16px}.lib-homework__actions{justify-content:space-between}.lib-homework__result h3{font-size:23px}}body.qm-library-workspace{line-height:normal;letter-spacing:normal;margin:0;font-weight:400}.qm-library-workspace .lq-container:has(.lib-shell),.qm-library-workspace .lq-main:has(.lib-shell){width:100%;max-width:none;padding:0;margin:0}.qm-library-workspace .lib-main-page{min-height:calc(100dvh - var(--q-nav-height));min-width:0}.qm-library-workspace #lab-header{position:relative;z-index:210}.qm-workspace-page{min-width:0}.qm-workspace-page .lib-page-head{align-items:center;margin:0;padding:0 0 22px;gap:16px}.qm-workspace-tabs{display:flex;gap:26px;border-bottom:1px solid var(--ld-border);margin:0 0 24px;padding:0}.qm-workspace-tabs a{padding:0 0 13px;text-decoration:none;color:var(--ld-muted);font-size:15px;font-weight:800;border-bottom:2px solid transparent;margin-bottom:-1px}.qm-workspace-tabs a.active{color:var(--ld-brand);border-color:var(--ld-brand)}.qm-workspace-page .lib-discovery-toolbar__row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.qm-workspace-page .lib-col-search{display:flex;align-items:center;gap:10px;min-width:0;max-width:100%;width:260px;padding:0 13px;border:1px solid var(--ld-border);border-radius:9px;background:var(--ld-surface)}.qm-workspace-page .lib-col-search>.lib-ic{width:18px;height:18px;color:var(--ld-muted);flex:0 0 18px}.qm-workspace-page .lib-col-search input{background:transparent;border:0;border-radius:0;box-shadow:none;min-width:0;width:100%;padding:11px 0;min-height:44px;font-size:14px;color:var(--ld-ink)}.qm-create-menu{position:relative;z-index:12}.qm-create-menu summary{list-style:none;cursor:pointer;min-height:42px;padding:10px 16px;gap:8px;border-radius:9px;font-size:14px;font-weight:800;display:flex;align-items:center;background:#0b57d0;color:#fff;border:1px solid #0b57d0;box-shadow:none}.qm-create-menu summary::-webkit-details-marker{display:none}.qm-create-menu summary>.lib-ic{width:17px;height:17px}.qm-create-menu__items{position:absolute;right:0;top:calc(100% + 9px);min-width:190px;padding:6px;border:1px solid var(--ld-border);border-radius:11px;box-shadow:0 12px 30px #20283b15;background:var(--ld-surface)}.qm-create-menu__items a{display:flex;gap:10px;align-items:center;padding:12px;text-decoration:none;font-size:14px;font-weight:750;color:var(--ld-ink);border-radius:7px;white-space:nowrap}.qm-create-menu__items a:hover{background:var(--ld-soft);color:var(--ld-brand)}.qm-create-menu__items .lib-ic{width:19px;height:19px}.qm-library-workspace .lib-col-btn--primary{background:#0b57d0;color:#fff;border-color:#0b57d0;box-shadow:none;font-size:14px;font-weight:800;min-height:42px;border-radius:9px;gap:8px}.qm-library-workspace .lib-col-btn--primary>.lib-ic{width:17px;height:17px}.qm-workspace-page .lib-ui-empty{grid-column:1/-1;width:100%;background:transparent;border:0;border-radius:0;box-shadow:none;padding:65px 20px}.qm-workspace-page .lib-ui-empty .lib-col-btn{margin-top:20px}.qm-content-card .lib-res-card__title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font:inherit;color:inherit;text-decoration:none}.qm-content-card>.lib-res-card__cover{display:block;color:inherit;text-decoration:none}.qm-content-card .lib-res-act{display:flex;text-decoration:none}.qm-content-card .lib-res-act>.lib-ic{width:17px;height:17px;flex:0 0 17px}.qm-data-error{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;border:1px solid var(--ld-border);border-radius:10px;margin:0 0 20px;background:var(--ld-surface);font-size:14px;color:var(--ld-muted)}.qm-workspace-status{color:var(--ld-muted);padding:25px 0;font-size:14px}.qm-library-workspace .qa-content,.qm-library-workspace .qa-page,.qm-library-workspace .qa-workspace{display:block!important;min-width:0!important;width:100%!important;max-width:none!important;padding:0!important;margin:0!important;overflow:visible!important;background:transparent!important}.qm-library-workspace .qa-topbar{display:none!important}.qm-library-workspace .qa-topbar:has(.qa-editor-back){display:flex!important;border:0;padding:0 0 20px;background:transparent;box-shadow:none;backdrop-filter:none}.qm-library-workspace .qa-topbar-right,.qm-library-workspace #qa-menu-toggle{display:none!important}.qm-library-workspace .qa-page .lib-page-title{font-size:25px!important;line-height:normal!important;letter-spacing:-.6px!important;font-weight:850!important;margin:0!important;color:var(--ld-ink)!important}.qm-assignment-card__top{position:relative}.qm-assignment-card__top .lib-res-card__cover,.qm-assignment-card__top .lib-res-cover{height:100px}.qm-assignment-card__top .lib-cover-quiz{transform:rotate(-8deg) scale(.7);transform-origin:top right}.qm-assignment-card__top .lib-cover-topic{top:43px;font-size:16px}.qm-assignment-card__top .lib-cover-brand{font-size:8px}.qm-assignment-card .lib-res-card__title button{cursor:pointer}.qm-assignment-card .lib-res-card__body{display:flex;gap:10px}.qm-assignment-card__meta{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid var(--ld-border);font-size:13px;color:var(--ld-muted)}.qm-assignment-card__meta span{display:flex;flex-direction:column;gap:6px;min-width:0}.qm-assignment-card__meta small{font-size:11px}.qm-assignment-card__meta time,.qm-assignment-card__meta strong{color:var(--ld-ink);font-size:13px;font-weight:800}.qm-assignment-card__meta span:last-child{text-align:right}.qm-assignment-progress{font-size:12px;color:var(--ld-muted)}.qm-assignment-progress strong{font-size:18px;color:var(--ld-ink);font-weight:850}.qm-assignment-progress progress{appearance:none;width:100%;height:5px;margin:9px 0 7px;border:0;border-radius:4px;overflow:hidden;background:var(--ld-border)}.qm-assignment-progress progress::-webkit-progress-bar{background:var(--ld-border)}.qm-assignment-progress progress::-webkit-progress-value{background:#0b57d0;border-radius:4px}.qm-assignment-progress progress::-moz-progress-bar{background:#0b57d0;border-radius:4px}.qm-assignment-card .lib-res-act--primary{font-size:13px}.qm-assignment-card .lib-res-act--icon>.lib-ic{width:18px;height:18px}@media(max-width:720px){.qm-workspace-page .lib-page-head{gap:12px;padding-bottom:22px;flex-wrap:nowrap}.qm-workspace-page .lib-page-head__text{flex:1 1 auto}.qm-workspace-page .lib-page-title,.qm-library-workspace .qa-page .lib-page-title{font-size:26px!important;line-height:1.25!important}.qm-create-menu summary{min-height:42px;padding:10px 12px;font-size:13px;white-space:nowrap}.qm-workspace-tabs{margin-bottom:20px;gap:24px}.qm-workspace-tabs a{font-size:14px}.qm-workspace-page .lib-discovery-type-tabs{max-width:100%;min-width:0;width:100%;overflow-x:auto;scrollbar-width:none}.qm-workspace-page .lib-discovery-type-tab{flex:0 0 auto;white-space:nowrap}.qm-workspace-page .lib-col-search{width:100%;flex:1 1 100%}.qm-workspace-page .lib-col-search input{font-size:16px}.qm-workspace-page .lib-discovery-toolbar__row{gap:12px}.qm-library-workspace .lib-col-btn--primary{font-size:13px;min-height:42px;padding:10px 12px;white-space:nowrap}}@media(prefers-reduced-motion:reduce){.qm-library-workspace .lib-content{transition:none}}.qm-filter-count{font-size:12px;opacity:.7;margin-left:4px}.qm-assignment-card .lib-res-card__title{font-size:16px!important;font-weight:800!important;line-height:1.5!important;letter-spacing:0!important;margin:0!important}html:has(body.qm-library-workspace){scroll-behavior:auto}html:has(body.qm-library-workspace)::-webkit-scrollbar{width:auto;height:auto}html:has(body.qm-library-workspace)::-webkit-scrollbar-thumb,html:has(body.qm-library-workspace)::-webkit-scrollbar-thumb:hover{background:revert;border-radius:revert}html:has(body.qm-library-workspace)::-webkit-scrollbar-track{background:revert}.qm-library-workspace .qa-drawer{font-family:Nunito,system-ui,sans-serif}body.qm-library-workspace{--qa-primary:var(--ld-brand,#0b57d0);--qa-bg:var(--ld-bg,#f7f8fc);--qa-surface:var(--ld-surface,#fff);--qa-surface-2:var(--ld-bg,#f7f8fc);--qa-text:var(--ld-ink,#20283b);--qa-muted:var(--ld-muted,#65718a);--qa-line:var(--ld-border,#e5e8ef);--qa-font:Nunito,system-ui,sans-serif;--qa-font-display:Nunito,system-ui,sans-serif;font-family:var(--qa-font);background:var(--ld-bg,#f7f8fc);color:var(--ld-ink,#20283b)}.qm-library-workspace :is(button,input,select,textarea){font-family:inherit}.qm-assignment-intro{margin:-4px 0 24px;font-size:14px;line-height:1.65;color:var(--ld-muted)}.qm-assignment-page .lib-discovery-toolbar{padding:12px;border:1px solid var(--ld-border);border-radius:16px;background:var(--ld-surface);margin-bottom:24px}.qm-assignment-page .lib-discovery-type-tabs{background:var(--ld-bg);border-radius:10px;padding:4px}.qm-assignment-page .lib-discovery-type-tab{font-size:13px;min-height:40px;border-radius:8px}.qm-assignment-page .lib-discovery-type-tab.is-active{background:var(--ld-surface);color:var(--ld-brand);box-shadow:0 1px 4px #1423440a}.qm-assignment-page .qm-filter-count{display:inline-grid;place-items:center;min-width:21px;height:21px;margin-left:5px;padding:0 4px;border-radius:6px;background:var(--ld-soft);font-size:11px;opacity:1;color:var(--ld-brand)}.qm-assignment-page .qm-assignment-create{gap:10px;min-height:48px;padding:9px 16px 9px 10px;border-radius:12px;background:var(--ld-brand);box-shadow:0 4px 12px #0b57d024}.qm-assignment-create__plus{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#ffffff26}.qm-assignment-create__plus .lib-ic{width:18px;height:18px;color:inherit}.qm-assignment-card{border:1px solid var(--ld-border);border-radius:18px;box-shadow:0 2px 8px #14234405;transition:border-color .15s,box-shadow .15s}.qm-assignment-card:hover{border-color:color-mix(in srgb,var(--ld-brand) 22%,var(--ld-border));box-shadow:0 7px 20px #1423440b}.qm-assignment-card__top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 20px 0}.qm-assignment-logo{display:block;object-fit:contain;width:40px;height:40px;flex:0 0 auto}.qm-assignment-status{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:7px;background:var(--ld-bg);color:var(--ld-muted);font-size:11px;font-weight:750}.qm-assignment-status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.qm-assignment-card[data-status=active] .qm-assignment-status{background:color-mix(in srgb,#167b5a 9%,var(--ld-surface));color:#167b5a}.qm-assignment-card[data-status=draft] .qm-assignment-status{background:var(--ld-soft);color:var(--ld-brand)}.qm-assignment-card .lib-res-card__body{padding:18px 20px 20px;gap:13px;flex:1}.qm-assignment-card .lib-res-card__title{min-height:3em!important}.qm-assignment-card .lib-res-card__title button{font:inherit;color:inherit;text-align:left;border:0;padding:0;background:transparent}.qm-assignment-progress{padding:14px;border:1px solid var(--ld-border);border-radius:11px;background:var(--ld-bg);font-size:12px}.qm-assignment-progress strong{font-size:22px;font-weight:800}.qm-assignment-progress progress{height:6px;margin:10px 0 7px}.qm-assignment-card__meta{padding:0;border:0;font-size:12px}.qm-assignment-card__meta span{gap:5px}.qm-assignment-card__meta time,.qm-assignment-card__meta strong{font-size:12px}.qm-assignment-card .lib-res-card__actions{padding-top:15px;border-top:1px solid var(--ld-border);margin-top:auto}.qm-assignment-card .lib-res-act{min-height:42px;border-radius:10px}.qm-library-workspace .qa-drawer--modal{width:min(680px,calc(100vw - 40px));border:1px solid var(--ld-border);border-radius:20px;background:var(--ld-surface);color:var(--ld-ink);font-family:var(--qa-font);box-shadow:0 24px 80px #15233d30}.qm-library-workspace .qa-drawer-head{padding:24px;border-bottom:1px solid var(--ld-border);background:var(--ld-surface)}.qm-library-workspace .qa-drawer-head h2{font-family:inherit;font-size:22px;font-weight:800;letter-spacing:-.4px;color:var(--ld-ink)}.qm-library-workspace .qa-drawer-head__sub{font-size:13px;line-height:1.6;color:var(--ld-muted);margin-top:7px}.qm-library-workspace .qa-drawer-body{padding:24px;background:var(--ld-surface)}.qm-library-workspace .qa-drawer-foot{padding:18px 24px;border-top:1px solid var(--ld-border);background:var(--ld-bg)}.qm-library-workspace .qa-assign-form{gap:22px}.qm-library-workspace .qa-field>span,.qm-library-workspace .qa-field>label{font-size:13px;font-weight:750;color:var(--ld-ink)}.qm-library-workspace .qa-drawer :is(input:not([type=checkbox]):not([type=radio]),select,textarea){min-height:44px;border:1px solid var(--ld-border);border-radius:10px;background:var(--ld-bg);color:var(--ld-ink);font-family:inherit;font-size:14px;box-shadow:none}.qm-library-workspace .qa-drawer :is(input,select,textarea):focus{outline:3px solid color-mix(in srgb,var(--ld-brand) 18%,transparent);outline-offset:1px;border-color:var(--ld-brand)}.qm-library-workspace .qa-segment{padding:4px;border:1px solid var(--ld-border);border-radius:11px;background:var(--ld-bg)}.qm-library-workspace .qa-segment button{min-height:38px;border-radius:8px;font-size:13px;font-weight:750;color:var(--ld-muted)}.qm-library-workspace .qa-segment button.is-active{background:var(--ld-surface);color:var(--ld-brand);box-shadow:0 1px 4px #1423440b}.qm-library-workspace .qa-drawer .qa-btn--primary{min-height:44px;border-radius:11px;background:var(--ld-brand);font-size:14px;font-weight:800;box-shadow:none}.qm-library-workspace .qa-hw-detail--editor{padding:24px;border:1px solid var(--ld-border);border-radius:18px;background:var(--ld-surface);box-shadow:none;font-family:var(--qa-font)}.qm-library-workspace .qa-ws-chrome{border-color:var(--ld-border);background:var(--ld-surface)}.qm-library-workspace .qa-editor-title{font-family:inherit;font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.5px}.qm-library-workspace .qa-editor-toolbar{border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-bg);padding:10px;margin-block:20px}.qm-library-workspace :is(.qa-student-card,.qa-rank-board,.qa-rank-summary,.qa-code-card){border:1px solid var(--ld-border);border-radius:12px;background:var(--ld-surface);box-shadow:none}.qm-library-workspace :is(.qa-student-list__title,.qa-editor-meta,.qa-meta-chip,.qa-rank-who){font-family:inherit}html[data-theme=dark] .qm-assignment-card[data-status=active] .qm-assignment-status{color:#8dd5b9}@media(max-width:720px){.qm-assignment-page .lib-discovery-toolbar{padding:9px;margin-bottom:18px}.qm-assignment-intro{font-size:13px;margin-bottom:18px}.qm-assignment-page .lib-discovery-type-tab{padding-inline:10px;font-size:12px}.qm-library-workspace .qa-drawer--modal{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);border-radius:16px}.qm-library-workspace .qa-drawer-head,.qm-library-workspace .qa-drawer-body{padding:20px}.qm-library-workspace .qa-drawer-foot{padding:16px 20px}.qm-library-workspace .qa-hw-detail--editor{padding:16px;border-radius:14px}.qm-library-workspace .qa-editor-title{font-size:20px}.qm-assignment-page .qm-assignment-create{min-height:44px;padding:8px 12px 8px 9px}}@media(prefers-reduced-motion:reduce){.qm-assignment-card{transition:none}}