/* ─────────────────────────────────────────
   Mode de lecture — bascule d'affichage des repères
   Classes appliquées sur <html> pour éviter le flash de contenu
   ───────────────────────────────────────── */

/* Contenu marqué .advanced est masqué par défaut (mode essentiel) */
/* Sélecteurs multiples pour maximiser la robustesse */
html.reader-basic .advanced,
html.reader-basic .principle-box.advanced,
html.reader-basic .reperes-box.advanced,
html.reader-basic .voix-box.advanced,
html.reader-basic .sage-box.advanced,
html.reader-basic .fable-box.advanced,
.reader-basic .advanced,
:root.reader-basic .advanced {
  display: none !important;
  visibility: hidden !important;
}

/* ─── Contenant du bouton ─── */
.reader-toggle-wrapper {
  display: flex;
  justify-content: center;
  padding: 1.2rem 1rem 0.4rem;
  background: transparent;
}

/* ─── Bouton de bascule (argent patiné) ─── */
.reader-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  background: #8A9099;
  color: #fff;
  border: 1px solid #8A9099;
  border-radius: 26px;
  font-family: 'AW Conqueror Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.15s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(60, 70, 80, 0.18);
}
.reader-mode-toggle:hover {
  background: #6E7580;
  border-color: #6E7580;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(60, 70, 80, 0.28);
}
.reader-mode-toggle:focus-visible {
  outline: 2px solid #6E7580;
  outline-offset: 2px;
}

.reader-mode-toggle .toggle-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.85em;
  line-height: 1;
}

/* Sur activation, la flèche pivote et le label change */
html.reader-advanced .reader-mode-toggle .toggle-arrow {
  transform: rotate(180deg);
}
html.reader-advanced .reader-mode-toggle .toggle-label-basic { display: none; }
html.reader-basic .reader-mode-toggle .toggle-label-advanced { display: none; }

/* ─── Box « Repères pour comprendre » ─── */
.reperes-box {
  background: #FBF7EF;
  border: 1px solid #E6DFD0;
  border-left: 4px solid #B8A170;
  border-radius: 0 6px 6px 0;
  padding: 1.4rem 1.5rem;
  margin: 2.5rem 0 1.5rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.reperes-box .reperes-header {
  margin-bottom: 1.3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #E6DFD0;
}
.reperes-box h3 {
  font-family: 'AW Conqueror Carved', serif;
  font-weight: 400;
  font-size: 1.35rem;
  color: #5A4A28;
  margin: 0 0 0.3rem;
  line-height: 1.2;
}
.reperes-box .reperes-lede {
  font-style: italic;
  color: #8A7758;
  font-size: 0.92rem;
  margin: 0;
}
.reperes-box .reperes-item {
  margin-bottom: 1.1rem;
}
.reperes-box .reperes-item:last-child { margin-bottom: 0; }
.reperes-box .reperes-item > strong {
  display: block;
  font-family: 'AW Conqueror Carved', serif;
  font-weight: 500;
  font-size: 1.55rem;
  color: #2D2D2D;
  margin-bottom: 0.25rem;
}
.reperes-box .reperes-item .reperes-dates {
  font-family: 'AW Conqueror Carved', serif;
  font-style: italic;
  font-weight: 400;
  color: #8A7758;
  font-size: 0.9em;
  margin-left: 0.3rem;
}
.reperes-box .reperes-item p {
  margin: 0 !important;
  font-size: 1.4rem;
  color: #3D4253;
  line-height: 1.6;
}

/* Animation douce à la révélation */
html.reader-advanced .advanced {
  animation: reveal 0.4s ease-out;
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobile */
@media (max-width: 480px) {
  .reader-mode-toggle {
    font-size: 0.78rem;
    padding: 0.5rem 1.1rem;
  }
  .reader-toggle-wrapper {
    padding: 1rem 0.8rem 0.2rem;
  }
  .reperes-box {
    padding: 1.2rem 1.2rem;
    margin: 2rem 0 1rem;
  }
}
