/* === gallery.css — Gallery Page & Lightbox === */

/* === Gallery Grid === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 220px;
  gap: 4px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-cream-dark);
}

/* Every 3rd item spans full width on mobile */
.gallery-item:nth-child(3n) {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(26, 26, 26, 0.4);
}

.gallery-item__overlay svg {
  color: var(--color-white);
  opacity: 0;
  transform: scale(0.7);
  transition: all var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay svg {
  opacity: 1;
  transform: scale(1);
}

/* Loading state */
.gallery-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16);
  color: var(--color-mid);
  font-size: var(--text-sm);
}

/* Empty state */
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-mid);
}

.gallery-empty h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

/* === Lightbox === */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: rgba(10, 10, 10, 0.95);
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.lightbox.is-open {
  display: flex;
}

.lightbox__inner {
  position: relative;
  max-width: min(90vw, 1100px);
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  display: block;
  transition: opacity 0.25s ease;
}

.lightbox__img.is-loading {
  opacity: 0;
}

.lightbox__close {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  z-index: 1;
}

.lightbox__close:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

.lightbox__prev,
.lightbox__next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  z-index: 1;
}

.lightbox__prev {
  left: var(--space-4);
}

.lightbox__next {
  right: var(--space-4);
}

.lightbox__prev:hover,
.lightbox__next:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

.lightbox__counter {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.lightbox__caption {
  position: fixed;
  bottom: var(--space-12);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  text-align: center;
  max-width: 500px;
  padding: 0 var(--space-4);
}

body.lightbox-active {
  overflow: hidden;
}

/* === Load More === */
.gallery-item.is-deferred {
  display: none;
}

@keyframes galleryReveal {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gallery-item.is-revealing {
  animation: galleryReveal 0.35s ease forwards;
}

.gallery-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-12);
  padding-bottom: var(--space-4);
}

.gallery-count {
  color: var(--color-mid);
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
}

/* === Responsive === */
@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 280px;
    gap: 5px;
  }

  /* In 3-col: every 2nd item spans 2 cols → [1col][2col-wide] per row */
  .gallery-item:nth-child(3n) {
    grid-column: span 1;
  }

  .gallery-item:nth-child(2n) {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 320px;
    gap: 6px;
  }

  /* In 4-col: every 3rd item spans 2 cols → [1col][1col][2col-wide] per row */
  .gallery-item:nth-child(2n) {
    grid-column: span 1;
  }

  .gallery-item:nth-child(3n) {
    grid-column: span 2;
  }

  .lightbox__prev {
    left: var(--space-8);
  }

  .lightbox__next {
    right: var(--space-8);
  }
}