/**
 * Loading Overlay Styles
 * Household Management App
 */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  z-index: 1080;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

/* Overlay is visible by default when in HTML (for immediate display) */
.loading-overlay.loading-overlay--visible {
  opacity: 1;
  visibility: visible;
}

[data-theme="dark"] .loading-overlay {
  background-color: var(--bg-primary);
}

.loading-overlay__spinner {
  width: 48px;
  height: 48px;
  position: relative;
}

.loading-overlay__spinner-circle {
  width: 100%;
  height: 100%;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: loading-spin 0.8s linear infinite;
}

[data-theme="dark"] .loading-overlay__spinner-circle {
  border-color: var(--color-gray-700);
  border-top-color: var(--color-primary-light);
}

@keyframes loading-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .loading-overlay__spinner-circle {
    animation: none;
  }
  
  .loading-overlay {
    transition: none;
  }
}