/* ═══════════════════════════════════════════════════
   STYLE_FICHES.CSS  — Thème chaud / doré
   Noms de classes inchangés
═══════════════════════════════════════════════════ */

:root {
  /* ── Palette chaude & dorée ── */
  --bg:              #f5f0e8;
  --gold:            #a07840;
  --gold-light:      #c49a55;
  --card-front-bg:   #fdf6ec;
  --card-border:     #e0d8cc;
  --text-dark:       #2a2318;
  --text-light:      #f5efe6;
  --muted:           #8a7f72;
  --white:           #ffffff;
  --light-gray:      #f8f4ee;
  --mid-gray:        #eeece8;
   --card-back-bg: #1e3a8a;
  
  /* ── Dégradés ── */
  --gradient-main:    linear-gradient(135deg, #c49a55 0%, #a07840 100%);
  --gradient-primary: linear-gradient(135deg, #a07840, #7a5c2e);
  --gradient-accent: linear-gradient(135deg,orangered,  #f59e0b);
  --gradient-orange:  linear-gradient(135deg, #c0392b, #c49a55);

  /* ── Conservés pour compatibilité ── */
  --dark-blue:       #1a0f05;
  --deep-blue:       #2a1a08;
  --accent-cyan:     #a07840;
  --primary-blue: #4f46e5;
  --secondary-blue:  #c49a55;
  --dark-bg:         #2a1a08;
  --error-red:       red;
  --primary-brown:brown;

  /* ── Tags ── */
  --tag-bg:     rgba(160, 120, 64, 0.10);
  --tag-border: rgba(160, 120, 64, 0.28);

  /* ── Transitions & Ombres ── */
  --transition-standard: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm:   0 2px 8px  rgba(80, 60, 30, 0.08), 0 1px 3px rgba(80, 60, 30, 0.06);
  --shadow-md:   0 8px 24px rgba(80, 60, 30, 0.12), 0 2px 8px rgba(80, 60, 30, 0.08);
  --shadow-lg:   0 20px 48px rgba(80, 60, 30, 0.15), 0 8px 16px rgba(80, 60, 30, 0.08);
  --shadow-card: 0 8px 32px rgba(80, 60, 30, 0.18);

  /* ── Rayons et espacements ── */
  --radius-sm:   10px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-pill: 999px;

  /* ── Dimensions carte ── */
  --card-w: 540px;
  --card-h: 460px;
}

/* ────────────────────────────────────────────────
   BOUTON D'OUVERTURE DE LA FICHE
──────────────────────────────────────────────── */
#openFicheBtn {
  position: fixed;
  top: 12px;
  right: 100px;
  z-index: 9999;
  padding: 10px 20px;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-standard),
              box-shadow var(--transition-standard),
              filter var(--transition-standard);
}

#openFicheBtn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.08);
}

@media (max-width: 800px) {
  #openFicheBtn {
    right: auto;
    left: 12px;
    font-size: 13px;
    padding: 8px 16px;
  }
}

/* ────────────────────────────────────────────────
   MODAL FICHE
──────────────────────────────────────────────── */
.fiche-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(42, 35, 24, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fiche-box {
  position: relative;
  width: 100%;
  max-width: 600px;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--card-border);
  font-family: 'Jost', 'Segoe UI', system-ui, -apple-system, sans-serif;
  perspective: 1400px;
  animation: fadeIn 0.3s ease both;
}

/* ── Bouton fermeture ── */
.closeFiche {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--error-red);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition-standard),
              transform var(--transition-standard);
}

.closeFiche::before,
.closeFiche::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 2.5px;
  background: currentColor;
  border-radius: 2px;
}

.closeFiche::before { transform: rotate(45deg); }
.closeFiche::after  { transform: rotate(-45deg); }

.closeFiche:hover {
  background: var(--primary-blue);
  transform: rotate(90deg) scale(1.12);
}

/* ────────────────────────────────────────────────
   CARTE FLIP  (.card)
──────────────────────────────────────────────── */
.card {
  position: relative;
  width: 100%;
  height: var(--card-h);
  margin: 16px auto 10px;
  display: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: 28px;
  line-height: 1.5;
  transform-style: preserve-3d;
  transition: transform 0.85s cubic-bezier(0.45, 0, 0.15, 1);
  box-shadow: var(--shadow-card);
}

.card.flipped {
  transform: rotateY(180deg);
}

.card .front,
.card .back {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  border-radius: var(--radius-md);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ── RECTO ── */
.card .front {
  background:
    linear-gradient(135deg, transparent 88%, rgba(205, 127, 80, 0.7) 0),
    linear-gradient(315deg, transparent 80%, rgba(255, 211, 195, 0.6) 0),
    linear-gradient(225deg, transparent 80%, rgba(255, 217, 179, 0.6) 0),
    linear-gradient(45deg, transparent 80%, var(--card-front-bg) 0),
    var(--card-front-bg);
  color: var(--text-dark);
  border: 1px solid var(--card-border);
  padding: 0;
  justify-content: flex-start;
  align-items: stretch;
  overflow: hidden;
}

/* ── Zone image (injectée par JS quand item.image est défini) ── */
.card .front .front-img {
  width: 100%;
  height: 155px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Fondu bas : raccorde l'image au fond crème */
.card .front .front-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 42%,
    var(--card-front-bg) 100%
  );
  pointer-events: none;
}

.card .front .front-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.65s cubic-bezier(0.45, 0, 0.15, 1);
  user-select: none;
  pointer-events: none;
}

/* Zoom subtil de l'image au survol */
.card:hover .front .front-img img {
  transform: scale(1.05);
}

/* ── Corps du recto (généré par le JS) ── */
.card .front .front-body {
  flex: 1;
  padding: 10px 22px 64px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  overflow: hidden;
}

/* Sans image : décale pour laisser la place au card_front_header absolu */
.card .front > .front-body:first-child {
  padding-top: 52px;
}

/* ── Petite étiquette dorée (optionnelle) ── */
.card .front .tag {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: var(--radius-pill);
  padding: 3px 11px;
  width: fit-content;
}

/* ── VERSO ── */
.card .back {
  background:
    linear-gradient(to top, rgba(20,10,8,0.88) 38%, rgba(20,14,8,0.32)),
    var(--card-back-image, url('../img/cardback_img.jpeg'))
    center / cover no-repeat;
  color: #ffffff;
  transform: rotateY(180deg);
  justify-content: flex-end;
  align-items: flex-start;
}

/* ── En-tête RECTO ── */
.card_front_header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 12px 0;
  text-align: center;
  font-size: 22px;
  font-weight: bolder;
  letter-spacing: 0.03em;
  color: var(--primary-brown);
  border-bottom: 1.5px solid var(--tag-border);
  background: rgba(253, 246, 236, 0.75);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* ── En-tête VERSO ── */
.card_back_header {
  position: absolute;
  top: 14px;
  right: 18px;
  font-weight: 700;
  opacity: 1;
  color: white;
  /* tag pill style */
  background: rgba(226, 200, 152, 0.12);
  border: 1px solid rgba(255, 255, 255, 1);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Bouton Flip ── */
.card .flipBtn {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  padding: 9px 24px;
  background: var(--gradient-orange);
  color: var(--white);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(204, 102, 0, 0.35);
  transition: transform var(--transition-standard),
              box-shadow var(--transition-standard);
}

.card .flipBtn::before {
  content: "";
  position: absolute;
  inset: 0;
  left: -100%;
  background: linear-gradient(135deg, #cc2d12, #d2400e);
  z-index: -1;
  transition: left 0.35s ease;
}

.card .flipBtn:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 6px 20px rgba(204, 102, 0, 0.45);
}

.card .flipBtn:hover::before {
  left: 0;
}

.card .flipBtn span {
  position: relative;
}

/* ─── Navigation & Contrôles ─── */
.nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 22px;
}

.nav-buttons button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  background:  var(--mid-gray);
  color: var(--primary-blue);
  border: 1px solid #4f46e5;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-standard),
              box-shadow var(--transition-standard),
              background var(--transition-standard),
              color var(--transition-standard);
}

.nav-buttons button:hover {
  transform: translateY(-2px);
  background:var(--primary-blue);
  color:var(--white); 
  box-shadow: var(--shadow-md);
}

/* Bouton Recommencer */
[id^="restart-"] {
  display: block;
  width: fit-content;
  min-width: 150px;
  margin: 22px auto 0;
  padding: 11px 28px;
  background:var(--light-gray); 
  color:var(--primary-blue);
  border: 1px solid #4f46e5;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-standard),
              box-shadow var(--transition-standard),
              background var(--transition-standard),
              color var(--transition-standard);
}

[id^="restart-"]:hover {
  transform: translateY(-2px) scale(1.03);
  background: var(--primary-blue);
  color:  var(--white);
  box-shadow: var(--shadow-md);
}


/* ────────────────────────────────────────────────
   MODAL PRÉSENTATION
──────────────────────────────────────────────── */
.modal_present {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(42, 35, 24, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal_present.show {
  display: flex;
}

.modal_present .modal-content-present {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 95%;
  height: 95%;
  padding-top: 30px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal_present .closebtn-present {
  position: absolute;
  top: 8px;
  right: 14px;

  width: 32px;
  height: 32px;

  background: var(--danger);
  color: var(--white);
  border: none;
  border-radius: 50%;

  font-size: 22px;
  font-weight: bold;

  line-height: 32px;     /* centre verticalement le × */
  text-align: center;    /* centre horizontalement */

  padding: 0;
  cursor: pointer;

  transition: background var(--transition-standard),
              transform var(--transition-standard);
}

.modal_present .closebtn-present:hover {
  background: var(--primary-blue);
  transform: scale(1.12);
}
.modal_present iframe {
  flex: 1;
  width: 100%;
  border: none;
}

/* ────────────────────────────────────────────────
   GRILLE DE CHAPITRES
──────────────────────────────────────────────── */
.button-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  padding: 20px;
  width: 100%;
  align-items: start;
}

@media (max-width: 850px) {
  .button-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 550px) {
  .button-grid { grid-template-columns: 1fr; }
}

.chapter-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.presentation-link {
  display: inline-block;
  margin-top: 13px;
  padding: 9px 18px;
  background: var(--gradient-accent);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-standard),
              box-shadow var(--transition-standard),
              background var(--transition-standard);
}

.presentation-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--white);
  cursor: pointer;
  background:linear-gradient(135deg, var(--card-back-bg), #2563eb);
}

/* ────────────────────────────────────────────────
   ANIMATIONS
──────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);   }
}

/* ────────────────────────────────────────────────
   MODE SOMBRE
──────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {

  .fiche-box {
    background: #1e1a12;
    color: var(--text-light);
    border-color: rgba(160, 120, 64, 0.18);
  }
  .card .front {
    background: var(--card-front-bg);
    color: var(--text-light);
    border-color: rgba(160, 120, 64, 0.18);
  }

  .card_front_header {
    color: var(--gold-light);
    border-color: rgba(160, 120, 64, 0.2);
    background: rgba(30, 26, 18, 0.75);
  }

  .modal_present {
    background: rgba(10, 6, 0, 0.75);
  }

  .modal_present .modal-content-present {
    background: #1a1208;
    border-color: rgba(160, 120, 64, 0.15);
  }
}