/* ========================================
   Grid Layout CSS
   ======================================== */

/* Content Grid System */
.content-grid {
  display: grid;
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
}

/* Grid Item */
.grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Thumbnail Container */
.grid-item__thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-secondary);
}

.grid-item__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.grid-item:hover .grid-item__thumbnail img {
  transform: scale(1.05);
}

/* Thumbnail Overlay */
.grid-item__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.grid-item:hover .grid-item__overlay {
  opacity: 1;
}

.grid-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.grid-item__description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Grid Item Content */
.grid-item__content {
  padding: var(--spacing-md);
}

.grid-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.grid-item__title-small {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.grid-item__meta {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Grid Item Actions */
.grid-item__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.grid-item__btn {
  flex: 1;
  padding: var(--spacing-sm);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

/* Grid Item Badges */
.grid-item__badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  z-index: 1;
}

.grid-item__badge--live {
  background-color: var(--accent-tertiary);
  color: var(--text-primary);
  animation: pulse 2s infinite;
}

.grid-item__badge--new {
  background-color: var(--accent-success);
  color: var(--text-primary);
}

/* Grid Item Categories */
.grid-item__categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.grid-item__category {
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-full);
  color: var(--text-secondary);
}

/* Grid Layout Variants */

/* Grid Layout - Compact */
.content-grid--compact {
  gap: var(--spacing-md);
}

.grid-item--compact .grid-item__thumbnail {
  aspect-ratio: 16 / 9;
}

.grid-item--compact .grid-item__overlay {
  padding: var(--spacing-md);
}

.grid-item--compact .grid-item__title {
  font-size: var(--font-size-md);
}

/* Grid Layout - Large */
.content-grid--large {
  gap: var(--spacing-xl);
}

.grid-item--large .grid-item__thumbnail {
  aspect-ratio: 16 / 9;
}

.grid-item--large .grid-item__overlay {
  padding: var(--spacing-2xl);
}

.grid-item--large .grid-item__title {
  font-size: var(--font-size-xl);
}

/* Grid Layout - Small */
.content-grid--small {
  gap: var(--spacing-sm);
}

.grid-item--small .grid-item__thumbnail {
  aspect-ratio: 16 / 9;
}

.grid-item--small .grid-item__overlay {
  padding: var(--spacing-sm);
}

.grid-item--small .grid-item__title {
  font-size: var(--font-size-sm);
}

/* Grid Item Skeleton Loading */
.grid-item__skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

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

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Responsive Grid Layouts */
/* These will be overridden in responsive.css */
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .content-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}