/* ==========================================================================
   Loading States & Skeleton Loaders (Phase 5: UX Enhancements)
   ========================================================================== */

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #999;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

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

.loading-state p {
  font-size: 16px;
  color: #999;
}

/* Skeleton Loaders */
.card-skeleton {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: fadeIn 0.3s ease-out;
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  margin: 12px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

.skeleton-text.short {
  width: 60%;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}