/* ==========================================================================
   pages/gallery.css — Gallery page styles
   ========================================================================== */

/* --- Filter Buttons Row --- */

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.gallery-filter-btn {
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--steel);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.gallery-filter-btn.is-active {
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
  color: var(--white);
}

@media (hover: hover) {
  .gallery-filter-btn:hover:not(.is-active) {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
  }
}

.gallery-filter-btn:active {
  transform: scale(0.97);
}

/* --- Masonry Grid (Gallery Page) --- */

.gallery-page-grid {
  columns: 3;
  column-gap: 16px;
}

.gallery-page-grid__item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.gallery-page-grid__item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-base);
}

@media (hover: hover) {
  .gallery-page-grid__item:hover img {
    transform: scale(1.04);
  }

  .gallery-page-grid__item:hover .gallery-page-grid__caption {
    opacity: 1;
  }
}

.gallery-page-grid__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(
    0deg,
    rgba(26, 37, 48, 0.8) 0%,
    rgba(26, 37, 48, 0) 100%
  );
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

/* --- Lightbox Enhancements (Gallery Page) --- */

.gallery-lightbox .lightbox__counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-family: var(--font-heading);
}

.gallery-lightbox .lightbox__caption {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: 15px;
  text-align: center;
  max-width: 80vw;
}

/* --- Load More Button --- */

.gallery-load-more {
  text-align: center;
  margin-top: 48px;
}

.gallery-load-more .btn {
  min-width: 200px;
}

.gallery-load-more .btn.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* --- Empty State --- */

.gallery-empty {
  text-align: center;
  padding: 64px 24px;
  color: var(--steel);
}

.gallery-empty__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--border);
}

.gallery-empty__text {
  font-size: 1.1rem;
}

/* --- Responsive: Gallery Page --- */

@media (max-width: 1024px) {
  .gallery-page-grid {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .gallery-filters {
    gap: 8px;
    margin-bottom: 24px;
  }

  .gallery-filter-btn {
    padding: 8px 16px;
    font-size: 12px;
  }

  .gallery-page-grid {
    columns: 2;
    column-gap: 12px;
  }

  .gallery-page-grid__item {
    margin-bottom: 12px;
  }

  .gallery-page-grid__caption {
    opacity: 1;
    font-size: 12px;
    padding: 10px;
  }

  .gallery-lightbox .lightbox__counter {
    bottom: 16px;
    font-size: 12px;
  }

  .gallery-lightbox .lightbox__caption {
    bottom: 40px;
    font-size: 13px;
  }

  .gallery-load-more {
    margin-top: 32px;
  }
}

@media (max-width: 480px) {
  .gallery-page-grid {
    columns: 1;
  }

  .gallery-filters {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .gallery-filter-btn {
    flex-shrink: 0;
  }
}