/* Container */
.gallery.masonry {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
/* Gallery Item */
.gallery.masonry .gallery-item {
  position: absolute;
  width: auto;
  margin: 0;
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
  will-change: transform, box-shadow;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal);
}
.gallery.masonry .gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
/* Image Container */
.gallery.masonry .gallery-item__image-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}
/* Image */
.gallery.masonry .gallery-item__image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-normal);
  background: var(--color-bg-tertiary);
}
.gallery.masonry .gallery-item:hover .gallery-item__image {
  transform: scale(1.05);
}
/* Loading State */
.gallery.masonry .gallery-item.loading {
  min-height: 200px;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  background: var(--color-bg-tertiary);
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
/* Error State */
.gallery.masonry .gallery-item.error {
  padding: var(--spacing-4);
  text-align: center;
  background: var(--color-bg-tertiary);
  color: var(--color-danger);
}
.gallery.masonry .gallery-item.error [class^="icon-"]:before,
.gallery.masonry .gallery-item.error [class*=" icon-"]:before {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-2);
  color: var(--color-danger);
}
/* Overlay */
.gallery.masonry .gallery-item__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-4);
  background: linear-gradient(to bottom,
      transparent,
      rgba(0, 0, 0, 0.7) 30%,
      rgba(0, 0, 0, 0.9));
  color: var(--color-text-inverse);
  opacity: 0;
  transition: all var(--transition-normal);
}
.gallery.masonry .gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}
/* Title and Meta */
.gallery.masonry .gallery-item__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
  color: var(--color-text-inverse);
  font-weight: 500;
}
.gallery.masonry .gallery-item__meta {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-inverse);
}
/* Tags */
.gallery.masonry .gallery-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-2);
}
.gallery.masonry .gallery-item__tag {
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-2);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-full);
  color: var(--color-text-inverse);
  transition: all var(--transition-normal);
}
.gallery.masonry .gallery-item__tag:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}
/* Actions */
.gallery.masonry .gallery-item__actions {
  display: flex;
  gap: var(--spacing-2);
  justify-content: flex-end;
}
.gallery.masonry .btn--icon {
  width: 32px;
  height: 32px;
}
/* Sample Badge */
.gallery.masonry .gallery-item--sample::before {
  content: 'Sample';
  position: absolute;
  top: var(--spacing-3);
  left: var(--spacing-3);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  z-index: 1;
}
/* Dark Mode */
[data-theme="dark"] .gallery.masonry .gallery-item {
  background: var(--color-bg-primary);
}
[data-theme="dark"] .gallery.masonry .gallery-item__image-container {
  background: var(--color-bg-tertiary);
}
[data-theme="dark"] .gallery.masonry .gallery-item.loading {
  background: var(--color-bg-tertiary);
}
[data-theme="dark"] .gallery.masonry .gallery-item.error {
  background: var(--color-bg-tertiary);
}
[data-theme="dark"] .gallery.masonry .gallery-item__overlay {
  background: linear-gradient(to bottom,
      transparent,
      rgba(0, 0, 0, 0.8) 30%,
      rgba(0, 0, 0, 0.95));
}
[data-theme="dark"] .gallery.masonry .gallery-item__tag {
  background: rgba(255, 255, 255, 0.15);
}
[data-theme="dark"] .gallery.masonry .gallery-item__tag:hover {
  background: rgba(255, 255, 255, 0.25);
}
/* Responsive Styles */
@media (max-width: 900px) {
  .gallery.masonry .gallery-item__overlay {
    opacity: 1;
  }
  .gallery.masonry .gallery-item__actions {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 600px) {
  .gallery.masonry {
    padding: var(--spacing-2);
  }
  .gallery.masonry .gallery-item {
    margin-bottom: var(--spacing-3);
  }
  .gallery.masonry .gallery-item__overlay {
    padding: var(--spacing-3);
  }
  .gallery.masonry .gallery-item__title {
    font-size: var(--font-size-base);
  }
  .gallery.masonry .gallery-item__actions {
    gap: var(--spacing-2);
  }
  .gallery.masonry .btn--icon {
    width: 28px;
    height: 28px;
  }
}