/* ================================================================
   albums.css — Albums / Gallery page styles
   ================================================================ */

/* ----------------------------------------------------------------
   FILTER TABS
   ---------------------------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-12);
}
.filter-btn {
  padding: 9px 22px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-base);
  font-family: var(--font-body);
  letter-spacing: 0.3px;
}
.filter-btn:hover {
  border-color: var(--accent-border);
  color: var(--accent);
}
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-inverse);
  box-shadow: var(--accent-glow);
}

/* ----------------------------------------------------------------
   GALLERY GRID
   ---------------------------------------------------------------- */
.gallery-grid {
  columns: 3;
  column-gap: var(--sp-4);
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  cursor: pointer;
  break-inside: avoid;
  margin-bottom: var(--sp-4);
  display: block;
}
.gallery-item img {
  width: 100%;
  display: block;
  border-radius: var(--r-lg);
  transition: transform var(--t-slow);
}
.gallery-item:hover img { transform: scale(1.05); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,0.85) 0%, rgba(5,5,5,0.25) 50%, transparent 100%);
  border-radius: var(--r-lg);
  opacity: 0;
  transition: opacity var(--t-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-5);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }

.gallery-item__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.gallery-item__cat {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.gallery-item__zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px;
  height: 52px;
  background: rgba(201, 169, 110, 0.9);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: 1.2rem;
  opacity: 0;
  transition: all var(--t-spring);
}
.gallery-item:hover .gallery-item__zoom {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* hide filtered items */
.gallery-item.hidden { display: none; }

/* ----------------------------------------------------------------
   ALBUM CATEGORIES OVERVIEW
   ---------------------------------------------------------------- */
.album-categories {
  background: var(--bg-secondary);
}
.album-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.album-cat-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  cursor: pointer;
  display: block;
  text-decoration: none;
}
.album-cat-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--t-slow);
  display: block;
}
.album-cat-card:hover img { transform: scale(1.08); }
.album-cat-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-6);
}
.album-cat-card__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.album-cat-card__count {
  font-size: 0.8rem;
  color: var(--accent);
}
.album-cat-card__view {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: var(--sp-3);
  opacity: 0;
  transform: translateY(6px);
  transition: all var(--t-base);
}
.album-cat-card:hover .album-cat-card__view {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .gallery-grid { columns: 2; }
  .album-cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .gallery-grid { columns: 2; }
  .album-cat-grid { grid-template-columns: 1fr; }
  .filter-bar { justify-content: flex-start; overflow-x: auto; padding-bottom: var(--sp-2); flex-wrap: nowrap; }
}
@media (max-width: 480px) {
  .gallery-grid { columns: 1; }
}