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

/* Filter Controls */
.gallery-controls {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent-gold);
  color: #fff;
  background: rgba(212, 175, 55, 0.08);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.artwork-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.artwork-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.artwork-thumb-wrap {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: #090a0d;
}

.artwork-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.artwork-card:hover .artwork-thumb-wrap img {
  transform: scale(1.05);
}

.artwork-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 13, 16, 0.95) 0%, rgba(12, 13, 16, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.8rem;
  opacity: 0;
  transition: var(--transition);
}

.artwork-card:hover .artwork-overlay {
  opacity: 1;
}

.artwork-overlay-title {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  color: #fff;
  margin-bottom: 0.3rem;
}

.artwork-overlay-series {
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.artwork-caption {
  padding: 1.2rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.artwork-caption-title {
  font-size: 1.1rem;
  color: #fff;
}

.artwork-caption-year {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(8, 9, 11, 0.95);
  backdrop-filter: blur(20px);
  display: none;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-dialog {
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  position: relative;
  overflow: hidden;
}

.lightbox-img-container {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 100%;
}

.lightbox-img-container img {
  max-height: 80vh;
  width: 100%;
  object-fit: contain;
}

.lightbox-details {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--accent-gold);
}

.lightbox-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.lightbox-series {
  color: var(--accent-gold);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.lightbox-specs {
  list-style: none;
  margin: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lightbox-specs li {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.lightbox-specs strong {
  color: #fff;
  font-weight: 500;
  margin-right: 0.5rem;
}

.lightbox-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

@media (max-width: 860px) {
  .lightbox-dialog {
    grid-template-columns: 1fr;
    max-height: 95vh;
    overflow-y: auto;
  }
  .lightbox-img-container {
    height: 380px;
  }
  .lightbox-details {
    padding: 2rem;
  }
}