/* ==========================================================================
   Gallery — Collection page masonry + lightbox
   ========================================================================== */

/* Filters bar */
.filters-bar {
  position: sticky;
  top: 70px;
  z-index: 10;
  background: rgba(250,250,247,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-tag {
  font-family: 'Cormorant Garamond', Garamond, serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-tag:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.filter-tag.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--bg-primary);
}

.filter-select {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-small);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%236B6B6B' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 2rem;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-gold);
}

/* Gallery grid */
.masonry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .masonry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .masonry-grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.gallery-card .artwork-frame {
  transition: box-shadow 0.3s ease;
}

.gallery-card:hover .artwork-frame {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12), 0 2px 6px rgba(0,0,0,0.08);
}

.gallery-card-info {
  padding: 0.75rem 0.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

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

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: white;
  font-size: 3rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

.lightbox-nav:hover { opacity: 1; }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* Collection grid card with price */
.gallery-card .artwork-price {
  margin-top: 0.25rem;
}

/* Load more area */
.load-more {
  padding: 2rem 0 4rem;
  text-align: center;
}