.qss-module-loading-overlay,
.qss-module-error-overlay {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.qss-module-loading-overlay[style*="display: flex"],
.qss-module-loading-overlay[style*="display:flex"],
.qss-module-error-overlay[style*="display: flex"],
.qss-module-error-overlay[style*="display:flex"] {
  pointer-events: auto;
}

.qss-module-loading-box,
.qss-module-error-box {
  background: var(--studio-surface, #1e293b);
  border: 1px solid var(--studio-border, #334155);
  border-radius: 12px;
  padding: 24px 28px;
  min-width: 280px;
  text-align: center;
  color: var(--studio-text, #e2e8f0);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.qss-module-loading-box p,
.qss-module-error-box p {
  margin: 12px 0 0;
  font-size: 0.95rem;
}

.qss-spinner {
  width: 32px;
  height: 32px;
  margin: 0 auto;
  border: 3px solid rgba(148, 163, 184, 0.25);
  border-top-color: var(--studio-accent, #6366f1);
  border-radius: 50%;
  animation: qss-spin 0.8s linear infinite;
}

@keyframes qss-spin {
  to { transform: rotate(360deg); }
}

.qss-module-error-box .qss-btn {
  margin: 8px 4px 0;
}