/*
=============================================================
  CATALOGUE.CSS — Styles de la page catalogue
  Hero carrousel, grille de livres, cartes, filtres
=============================================================
*/

@import 'tokens.css';


/* ─────────────────────────────────────────
   HERO CARROUSEL
───────────────────────────────────────── */

.hero-carousel {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform var(--duration-carousel) var(--ease-smooth);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Slides vierges avec texture subtile */
.carousel-slide:nth-child(1) {
  background-color: #1A1D24;
  background-image:
    radial-gradient(ellipse at 30% 60%, rgba(27, 58, 92, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(196, 94, 26, 0.15) 0%, transparent 50%);
}

.carousel-slide:nth-child(2) {
  background-color: #1E1A18;
  background-image:
    radial-gradient(ellipse at 60% 40%, rgba(196, 94, 26, 0.25) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 70%, rgba(27, 58, 92, 0.20) 0%, transparent 50%);
}

.carousel-slide:nth-child(3) {
background-color: #1F1208;
background-image:
  radial-gradient(ellipse at 50% 50%, rgba(196, 94, 26, 0.45) 0%, transparent 60%),
  radial-gradient(ellipse at 20% 80%, rgba(27, 58, 92, 0.2) 0%, transparent 40%);
}

/* Contenu slide (vierge — à modifier) */
.carousel-content {
  position: relative;
  z-index: var(--z-raised);
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-inverted);
  max-width: 600px;
}


.carousel-content .slide-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out) 0.2s,
              transform var(--duration-slow) var(--ease-out) 0.2s;
}

.carousel-content .slide-subtitle {
  font-size: var(--text-base);
  color: rgba(245, 242, 236, 0.65);
  line-height: var(--leading-relaxed);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out) 0.3s,
              transform var(--duration-slow) var(--ease-out) 0.3s;
}

/* Animation d'entrée quand la slide est active */
.carousel-slide.active .carousel-content .slide-eyebrow,
.carousel-slide.active .carousel-content .slide-title,
.carousel-slide.active .carousel-content .slide-subtitle {
  opacity: 1;
  transform: translateY(0);
}

/* Contrôles carrousel */
.carousel-controls {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  z-index: var(--z-raised);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: rgba(245, 242, 236, 0.35);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background-color var(--duration-normal) var(--ease-default),
              transform var(--duration-normal) var(--ease-spring),
              width var(--duration-normal) var(--ease-spring);
}

.carousel-dot.active {
  background-color: var(--color-accent-orange);
  width: 24px;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-raised);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: rgba(26, 29, 36, 0.50);
  color: var(--color-text-inverted);
  border: 1px solid rgba(245, 242, 236, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-md);
  cursor: pointer;
  transition: var(--t-colors), var(--t-shadow);
  backdrop-filter: blur(4px);
}

.carousel-arrow:hover {
  background-color: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-lg);
}

.carousel-arrow.prev { left: var(--space-6); }
.carousel-arrow.next { right: var(--space-6); }

@media (max-width: 640px) {
  .hero-carousel {
    height: 380px;
  }
  .carousel-content .slide-title {
    font-size: var(--text-2xl);
  }
  .carousel-arrow {
    width: 36px;
    height: 36px;
  }
  .carousel-arrow.prev { left: var(--space-3); }
  .carousel-arrow.next { right: var(--space-3); }
}


/* ─────────────────────────────────────────
   SECTION LIVRES RÉCENTS
───────────────────────────────────────── */

.section-recents {
  padding-block: var(--space-16);
}

/* ─────────────────────────────────────────
   GRILLE CATALOGUE
───────────────────────────────────────── */

.section-catalogue {
  padding-block: var(--space-16);
  background-color: var(--color-bg-secondary);
}

.catalogue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
}

/* ─────────────────────────────────────────
   CARTE LIVRE
───────────────────────────────────────── */

.book-card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--t-card);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* Couverture */
.book-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background-color: var(--color-bg-surface);
}

.book-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.book-card:hover .book-card-cover img {
  transform: scale(1.04);
}

/* Placeholder couverture */
.cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: linear-gradient(145deg, var(--color-bg-surface), #3A3E50);
  color: rgba(245, 242, 236, 0.4);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-align: center;
  padding: var(--space-4);
}

.cover-placeholder svg {
  opacity: 0.3;
}

/* Overlay au survol */
.book-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 29, 36, 0.70) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-default);
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}

.book-card:hover .book-card-overlay {
  opacity: 1;
}

.overlay-btn {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-inverted);
  background-color: var(--color-accent-orange);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  width: 100%;
  text-align: center;
  transition: var(--t-colors);
}

.overlay-btn:hover {
  background-color: var(--color-accent-orange-hover);
}

/* Infos carte */
.book-card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.book-card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  /* Tronque à 2 lignes */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-author {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.book-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: var(--border-thin);
}

.book-card-date {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}


/* ─────────────────────────────────────────
   CARTE LIVRE — VERSION HORIZONTALE
   (utilisée dans "Livres récents")
───────────────────────────────────────── */

.book-card-h {
  display: flex;
  gap: var(--space-5);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  padding: var(--space-4);
  transition: var(--t-card);
  cursor: pointer;
}

.book-card-h:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.book-card-h .book-cover-h {
  flex: 0 0 80px;
  width: 80px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-surface);
}

.book-card-h .book-cover-h img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-card-h .book-info-h {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.book-card-h .book-title-h {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}

.book-card-h .book-author-h {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.book-card-h .book-desc-h {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-h .book-date-h {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-1);
}


/* ─────────────────────────────────────────
   GRILLE LIVRES RÉCENTS
───────────────────────────────────────── */

.recents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-5);
}


/* ─────────────────────────────────────────
   ÉTAT VIDE / CHARGEMENT
───────────────────────────────────────── */

.catalogue-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-24) var(--space-8);
  color: var(--color-text-muted);
}

.catalogue-empty svg {
  margin-inline: auto;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.catalogue-empty p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
}

/* Skeleton loader */
.book-card-skeleton {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.skeleton-cover {
  width: 100%;
  aspect-ratio: 2 / 3;
  background: linear-gradient(90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-primary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.skeleton-line {
  height: 12px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-primary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-line.short { width: 60%; }
.skeleton-line.medium { width: 80%; }

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}


/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */

@media (max-width: 768px) {
  .catalogue-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-4);
  }

  .recents-grid {
    grid-template-columns: 1fr;
  }

  .section-recents,
  .section-catalogue {
    padding-block: var(--space-10);
  }
}

@media (max-width: 480px) {
  .catalogue-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}