/* === Photo Gallery === */

/* Single large image style (photos count ≤ threshold) */
.gallery-single {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin: var(--space-8) 0;
}

.gallery-single-item img {
  width: 100%;
  height: auto;
  border-radius: var(--card-radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-single-item img.loaded {
  opacity: 1;
}

.gallery-grid {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-8) 0;
}

@media (min-width: 1024px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 640px) and (max-width: 1023px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 639px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

.gallery-item {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 1;
  background: var(--color-border-light);
  content-visibility: auto;
  contain-intrinsic-size: auto 240px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
  opacity: 0;
}

.gallery-item img.loaded { opacity: 1; }
.gallery-item:hover img.loaded { transform: scale(1.04); }

/* ========== Fullscreen Overlay ========== */
.gallery-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: #000;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  user-select: none;
  -webkit-user-select: none;
}

.gallery-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ========== macOS-style Toolbar ========== */
.gallery-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 var(--space-4);
  background: rgba(30, 30, 30, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: var(--z-modal);
  flex-shrink: 0;
}

.gallery-done-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 6px 12px;
  border-radius: 6px;
  transition: background var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
}

.gallery-done-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.gallery-dl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all var(--transition-fast);
  margin-left: var(--space-2);
}

.gallery-dl-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.gallery-counter {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-variant-numeric: tabular-nums;
}

/* Quality pills in toolbar */
.gallery-quality-pills {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 3px;
}

.gq-pill {
  padding: 3px 10px;
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
}

.gq-pill:hover {
  color: rgba(255, 255, 255, 0.8);
}

.gq-pill.active {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: var(--font-weight-medium);
}

/* ========== Main Image Area ========== */
.gallery-main-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 0;
}

.gallery-current-image {
  max-width: 90vw;
  max-height: calc(100vh - 48px - 90px);
  object-fit: contain;
  transition: opacity var(--transition-fast);
  cursor: pointer;
}

/* Nav buttons */
.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-modal);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: background var(--transition-fast);
  border: none;
  cursor: pointer;
}

.gallery-nav-btn:hover { background: rgba(255, 255, 255, 0.25); }
.gallery-nav-prev { left: var(--space-4); }
.gallery-nav-next { right: var(--space-4); }

/* ========== Filmstrip ========== */
.gallery-filmstrip {
  display: flex;
  align-items: center;
  height: 90px;
  padding: 0 var(--space-2);
  background: rgba(20, 20, 20, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  z-index: var(--z-modal);
}

.filmstrip-track {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  flex: 1;
  padding: var(--space-1) 0;
  scrollbar-width: none;
}

.filmstrip-track::-webkit-scrollbar { display: none; }

.filmstrip-thumb {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast), opacity var(--transition-fast);
  opacity: 0.55;
}

.filmstrip-thumb:hover { opacity: 0.85; }
.filmstrip-thumb.active {
  border-color: #fff;
  opacity: 1;
}

.filmstrip-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.filmstrip-scroll {
  flex-shrink: 0;
  width: 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.25rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
}

.filmstrip-scroll:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }

/* Mobile */
@media (max-width: 639px) {
  .gallery-toolbar { height: 42px; padding: 0 var(--space-3); }
  .gallery-nav-btn { width: 36px; height: 36px; font-size: 1.25rem; }
  .gallery-nav-prev { left: var(--space-2); }
  .gallery-nav-next { right: var(--space-2); }
  .gallery-filmstrip { height: 72px; }
  .filmstrip-thumb { width: 48px; height: 48px; }
  .gallery-current-image { max-width: 95vw; max-height: calc(100vh - 42px - 72px); }
}