/* ============================================================
   CATALOG — page-specific styles cho index.html
   Load sau tokens.css + base.css
   ============================================================ */

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  min-height: 100vh;
  animation: fade-in var(--transition-page) ease-out;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--sp-5) 18px 60px;
}

/* ============================================================
   HEADER
   ============================================================ */
.cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.cat-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ============================================================
   SEARCH
   ============================================================ */
.search-row { margin-bottom: var(--sp-3); }
.search-wrap {
  position: relative;
  max-width: 540px;
}
.search-input {
  padding-left: 38px;
  padding-right: 38px;
}
.search-icon {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  width: 15px;
  height: 15px;
  pointer-events: none;
}
.search-clear {
  position: absolute;
  right: var(--sp-2);
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  padding: var(--sp-1);
  cursor: pointer;
  display: none;
  border-radius: var(--r-sm);
}
.search-clear:hover { color: var(--text-primary); background: var(--bg-overlay); }
.search-clear.visible { display: flex; align-items: center; justify-content: center; }
.search-clear svg { width: 14px; height: 14px; }

/* ============================================================
   FILTERS
   ============================================================ */
.filters-row {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  flex-wrap: wrap;
  margin: 30px 0;
}

/* ============================================================
   COUNT ROW
   ============================================================ */
.count-row {
  color: var(--text-tertiary);
  font-size: var(--fs-caption);
  margin-bottom: var(--sp-4);
}

/* ============================================================
   GRID + CARD
   ============================================================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--sp-4);
}
.cat-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 2 / 3;
  transition: transform 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}
.cat-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.cat-poster {
  position: absolute;
  inset: 0;
  background-color: var(--bg-raised);
  background-size: cover;
  background-position: center;
}

.cat-badge-tl {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  background: rgba(0,0,0,0.75);
  color: var(--text-primary);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  padding: 3px var(--sp-2);
  border-radius: var(--r-sm);
  z-index: 2;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.cat-badge-tl .quality {
  color: var(--accent-text);
  margin-left: var(--sp-1);
  font-weight: var(--fw-semibold);
}

.cat-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--sp-8) var(--sp-3) var(--sp-3);
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.85) 50%, rgba(0,0,0,0) 100%);
  z-index: 2;
}
.cat-name {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin: 0 0 2px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  line-height: var(--lh-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-origin {
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  margin: 0 0 var(--sp-1);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-meta {
  font-size: var(--fs-tiny);
  color: var(--text-tertiary);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}
.cat-meta span + span::before {
  content: " · ";
  color: var(--text-disabled);
}

/* Skeleton */
.cat-card.skeleton { pointer-events: none; }
.cat-card.skeleton .cat-poster {
  background: linear-gradient(90deg, var(--bg-elevated) 0%, var(--bg-raised) 50%, var(--bg-elevated) 100%);
  background-size: 200% 100%;
  animation: skel-shimmer 1.5s infinite;
}
.cat-card.skeleton .cat-overlay { background: none; }
.cat-card.skeleton .cat-name,
.cat-card.skeleton .cat-origin,
.cat-card.skeleton .cat-meta {
  background: rgba(255,255,255,0.08);
  color: transparent !important;
  border-radius: 3px;
  text-shadow: none;
}
.cat-card.skeleton .cat-name { width: 80%; height: 14px; margin-bottom: 6px; }
.cat-card.skeleton .cat-origin { width: 60%; height: 11px; margin-bottom: 6px; }
.cat-card.skeleton .cat-meta { width: 50%; height: 10px; }
.cat-card.skeleton .cat-badge-tl {
  background: rgba(255,255,255,0.08);
  color: transparent !important;
  width: 60px;
  height: 18px;
  padding: 0;
}
@keyframes skel-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Errored card */
.cat-card.errored {
  cursor: default;
  border-color: var(--danger);
  opacity: 0.6;
}
.cat-card.errored .cat-poster { background: rgba(232, 85, 85, 0.08); }
.cat-card.errored .cat-overlay {
  background: linear-gradient(to top, rgba(60,15,15,0.95) 0%, rgba(60,15,15,0.7) 60%, transparent 100%);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.cat-empty {
  text-align: center;
  padding: 80px var(--sp-5);
  color: var(--text-tertiary);
  background: var(--bg-elevated);
  border: 1px dashed var(--border-default);
  border-radius: var(--r-lg);
}
.cat-empty-title {
  font-size: var(--fs-h4);
  margin: 0 0 var(--sp-1);
  color: var(--text-primary);
}
.cat-empty-sub {
  font-size: var(--fs-small);
  color: var(--text-tertiary);
}

/* Mobile grid */
@media (max-width: 600px) {
  .cat-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--sp-2);
  }
  .cat-name { font-size: var(--fs-small); }
  .cat-origin { font-size: var(--fs-caption); }
  .cat-meta { font-size: 10.5px; }
}

/* ============================================================
   CACHE STATUS (trong settings dialog)
   ============================================================ */
.cache-status {
  margin-top: var(--sp-4);
  padding: var(--sp-3);
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  font-size: var(--fs-small);
  color: var(--text-tertiary);
  line-height: var(--lh-relaxed);
}
.cache-status strong { color: var(--text-primary); font-weight: var(--fw-medium); }
.cache-status .cache-status-line + .cache-status-line { margin-top: var(--sp-1); }

/* ============================================================
   TOAST (catalog-specific class .cat-toast)
   ============================================================ */
.cat-toast {
  position: fixed;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--r-lg);
  padding: var(--sp-3) 18px;
  font-size: var(--fs-small);
  box-shadow: var(--shadow-dialog);
  z-index: 10001;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}
.cat-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.cat-toast.success { border-color: var(--success); color: var(--success-text); }
.cat-toast.error { border-color: var(--danger); color: var(--danger-text); }
.cat-toast.warning { border-color: var(--warning); color: var(--warning-text); }