/* ====================================
   Gallery & Lightbox Styles
   ==================================== */

/* Lightbox Overlay */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--text-3xl);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-white);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--space-lg);
  opacity: 0.7;
  transition: all var(--transition-fast);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
  left: var(--space-lg);
}

.lightbox-next {
  right: var(--space-lg);
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  margin: 0;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  margin: 0 auto;
}

.lightbox-content figcaption {
  color: var(--color-white);
  margin-top: var(--space-lg);
  font-size: var(--text-lg);
}

/* Gallery Item Hover Effects */
.gallery-item {
  position: relative;
  overflow: hidden;
}

.gallery-item a {
  display: block;
  position: relative;
}

.gallery-item a::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover a::after {
  opacity: 1;
}

/* Photo categories badge */
.gallery-item[data-category]::before {
  content: attr(data-category);
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: capitalize;
  z-index: 1;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover::before {
  opacity: 1;
}

/* Masonry-style option */
.gallery-grid.masonry {
  columns: 3;
  column-gap: var(--space-lg);
}

.gallery-grid.masonry .gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .gallery-grid.masonry {
    columns: 2;
  }
}

@media (max-width: 480px) {
  .gallery-grid.masonry {
    columns: 1;
  }
}

/* Subtle placeholder background while the photo loads */
.gallery-item img {
  background: var(--color-background-alt);
}