.app-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  padding: 24px;
  background: rgba(248, 249, 253, .97);
  color: #182033;
  font: 600 15px/1.5 Inter, Arial, sans-serif;
  text-align: center;
}

.app-loading-overlay[hidden] { display: none !important; }
body.app-loading-active { overflow: hidden; }

.app-loading-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid #dfe2ff;
  border-top-color: #5b5dde;
  border-radius: 50%;
  animation: app-loading-spin .8s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .app-loading-spinner { animation-duration: 1.8s; }
}