/*
 * SORKISTx Block — gallery/gallery-masonry
 */

/* Filter */
.gallery-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-block-end: var(--space-8);
}

/* CSS-grid masonry via grid-row: span (items sized by JS or fixed spans) */
.gallery-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(var(--gallery-cols, 3), 1fr);
  grid-auto-rows: 260px;
}

.gallery-grid--cols-2 { --gallery-cols: 2; }
.gallery-grid--cols-3 { --gallery-cols: 3; }
.gallery-grid--cols-4 { --gallery-cols: 4; }

/* Alternate items span 2 rows for a masonry look */
.gallery-item:nth-child(4n+1) { grid-row: span 2; }
.gallery-item:nth-child(4n+3) { grid-row: span 2; }

@media (max-width: 900px) {
  .gallery-grid { --gallery-cols: 2; }
  .gallery-item { grid-row: span 1 !important; }
}
@media (max-width: 500px) {
  .gallery-grid { --gallery-cols: 1; }
}

/* Item */
.gallery-item {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.gallery-item.is-hidden { display: none; }

.gallery-item__link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}

.gallery-item:hover .gallery-item__img { transform: scale(1.06); }

/* Overlay */
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  opacity: 0;
  transition: opacity var(--transition-base);
  color: #fff;
  padding: var(--space-4);
}

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

.gallery-item__caption {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
  position: absolute;
  inset-block-end: var(--space-4);
  inset-inline: var(--space-4);
}

/* ─── Lightbox ────────────────────────────────────────────────────── */

.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0,0,0,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.gallery-lightbox[hidden] { display: none; }

.gallery-lightbox__stage {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.gallery-lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  animation: lightbox-in 0.3s ease;
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: none; }
}

.gallery-lightbox__caption {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  text-align: center;
}

.gallery-lightbox__close {
  position: fixed;
  inset-block-start: var(--space-5);
  inset-inline-end: var(--space-5);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.gallery-lightbox__close:hover { background: rgba(255,255,255,0.22); }

.gallery-lightbox__prev,
.gallery-lightbox__next {
  position: fixed;
  inset-block: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.gallery-lightbox__prev { inset-inline-start: 0; }
.gallery-lightbox__next { inset-inline-end: 0; }

.gallery-lightbox__prev:hover,
.gallery-lightbox__next:hover { color: #fff; }

[dir="rtl"] .gallery-lightbox__prev svg { transform: scaleX(-1); }
[dir="rtl"] .gallery-lightbox__next svg { transform: scaleX(-1); }

.gallery-lightbox__counter {
  position: fixed;
  inset-block-end: var(--space-5);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-xs);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .gallery-lightbox__img { animation: none; }
}