/* ==========================================================================
   Mairo Toom Photography - Category & Gallery Views
   Image-first, responsive grids with aspect ratio preservation
   ========================================================================== */

/* --------------------------------------------------------------------------
   Level 0: Category Tiles Grid (Homepage)
   Large, high-impact photography tiles acting as the primary navigation
   -------------------------------------------------------------------------- */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

@media (min-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

.category-tile {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
}

.category-tile-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
  filter: brightness(0.85) contrast(1.05);
}

.category-tile:hover .category-tile-image {
  transform: scale(1.025);
  filter: brightness(0.95) contrast(1.08);
}

/* Subtle gradient scrim for text readability */
.category-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 5, 5, 0.92) 0%,
    rgba(5, 5, 5, 0.45) 45%,
    rgba(5, 5, 5, 0.05) 100%
  );
  pointer-events: none;
  transition: background var(--transition-normal);
}

.category-tile:hover .category-tile-overlay {
  background: linear-gradient(
    to top,
    rgba(5, 5, 5, 0.88) 0%,
    rgba(5, 5, 5, 0.35) 45%,
    rgba(5, 5, 5, 0.0) 100%
  );
}

.category-tile-content {
  position: relative;
  z-index: 2;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-tile-title {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.category-tile-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.category-tile-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Level 1: Category View (Galleries within Category)
   -------------------------------------------------------------------------- */
.category-view-header {
  margin-bottom: var(--space-xl);
}

.category-view-title {
  font-size: 2.25rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.category-view-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 680px;
}

.galleries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .galleries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .galleries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.gallery-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.gallery-card-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-surface-elevated);
}

.gallery-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .gallery-card-thumb {
  transform: scale(1.03);
}

.gallery-card-info {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.gallery-card-title {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
}

.gallery-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.gallery-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Level 2: Gallery View (Photos Grid)
   -------------------------------------------------------------------------- */
.gallery-header {
  margin-bottom: var(--space-xl);
}

.gallery-title {
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2xs);
}

.gallery-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.gallery-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 720px;
}

/* Photo Grid: Responsive Photography Masonry Layout */
.photo-grid {
  column-count: 1;
  column-gap: var(--space-md);
  width: 100%;
}

@media (min-width: 640px) {
  .photo-grid {
    column-count: 2;
    column-gap: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .photo-grid {
    column-count: 3;
    column-gap: var(--space-lg);
  }
}

.photo-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

@media (min-width: 640px) {
  .photo-item {
    margin-bottom: var(--space-lg);
  }
}

.photo-item:hover {
  border-color: var(--border-medium);
}

.photo-link {
  display: block;
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: var(--bg-surface-elevated);
}

.photo-thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0;
  transition: opacity 300ms ease, transform var(--transition-smooth);
}

.photo-thumb.loaded {
  opacity: 1;
}

.photo-item:hover .photo-thumb {
  transform: scale(1.02);
}

.photo-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: flex-end;
  padding: var(--space-sm);
  pointer-events: none;
}

.photo-item:hover .photo-hover-overlay {
  opacity: 1;
}

.photo-caption-hint {
  font-size: 0.78rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

/* Empty / Fallback state */
.empty-state {
  padding: var(--space-3xl) 0;
  text-align: center;
  color: var(--text-muted);
}