/* Gallery page */

.gallery-filter {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 32px 0;
}
.filter-btn {
  background: none;
  border: 1px solid var(--border-hairline);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
}
.filter-btn.active {
  background: var(--color-ink);
  color: var(--color-canvas);
  border-color: var(--color-ink);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 140px;
  gap: 12px;
}
@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
.gallery-tile {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-ivory);
}
.gallery-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-tile[data-category="landscape"] img,
.gallery-tile[data-category="architecture"] img {
  filter: grayscale(0.7) contrast(1.05);
}
.gallery-tile[data-category="people"] img,
.gallery-tile[data-category="food"] img {
  filter: saturate(0.85) contrast(1.02);
}
.gallery-tile:hover img { transform: scale(1.05); }
.gallery-tile.hidden { display: none; }
.gallery-tile .share-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(28,56,105,0.7);
  color: var(--color-canvas);
  border: none;
  font-size: 0.7rem;
  padding: 5px 10px;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.gallery-tile:hover .share-btn,
.gallery-tile:focus-within .share-btn { opacity: 1; }

/* span sizes for masonry feel */
.span-tall { grid-row: span 2; }
.span-wide { grid-column: span 2; }