/**
 * Page Transition Animations
 * Smooth transitions between pages
 */

/* Transition Overlay */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  z-index: 99999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 300ms ease;
}

.page-transition-overlay.active {
  opacity: 1;
}

.page-transition-overlay.exit {
  opacity: 0;
}

/* Fade Transition */
.page-transition-overlay.fade {
  background: rgba(0, 0, 0, 0.5);
}

/* Slide Left Transition (List → Detail) */
.page-transition-overlay.slide-left {
  transform: translateX(100%);
  opacity: 1;
}

.page-transition-overlay.slide-left.active {
  transform: translateX(0);
}

.page-transition-overlay.slide-left.exit {
  transform: translateX(-100%);
}

/* Slide Right Transition (Detail → List) */
.page-transition-overlay.slide-right {
  transform: translateX(-100%);
  opacity: 1;
}

.page-transition-overlay.slide-right.active {
  transform: translateX(0);
}

.page-transition-overlay.slide-right.exit {
  transform: translateX(100%);
}

/* Slide Up Transition (Modals) */
.page-transition-overlay.slide-up {
  transform: translateY(100%);
  opacity: 1;
}

.page-transition-overlay.slide-up.active {
  transform: translateY(0);
}

.page-transition-overlay.slide-up.exit {
  transform: translateY(-100%);
}

/* Loading Skeletons */
.loading-skeleton {
  animation: skeletonFadeIn 300ms ease;
}

@keyframes skeletonFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Skeleton Grid (Gallery) */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.skeleton-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  overflow: hidden;
  padding: 1rem;
}

.skeleton-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.skeleton-text {
  height: 16px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  width: 80%;
  height: 20px;
}

.skeleton-subtitle {
  width: 60%;
  height: 14px;
}

.skeleton-price {
  width: 40%;
  height: 18px;
  margin-top: 1rem;
}

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

/* Skeleton Detail Page */
.skeleton-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 2rem;
}

.skeleton-image-large {
  width: 100%;
  height: 500px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: 12px;
}

.skeleton-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skeleton-title-large {
  width: 90%;
  height: 32px;
}

.skeleton-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 1rem 0;
}

/* Skeleton List */
.skeleton-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
}

.skeleton-list-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  flex-shrink: 0;
}

.skeleton-list-content {
  flex: 1;
}

/* Skeleton Default */
.skeleton-default {
  padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .skeleton-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
  }
  
  .skeleton-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1rem;
  }
  
  .skeleton-image-large {
    height: 300px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .page-transition-overlay,
  .skeleton-image,
  .skeleton-text {
    animation: none;
    transition: none;
  }
}