/* ── Magisteria Layout partagé (sidebar + contenu) ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@600&display=swap');

:root {
  --sidebar-w: 240px;
  --topbar-h: 52px;
  --anthracite: #2B2D31;
  --sauge: #7C9A7A;
  --terra: #C9785A;
  --ivoire: #FAFAF5;
}

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--anthracite);
  display: flex;
  flex-direction: column;
  z-index: 300;
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-logo {
  display: block;
  padding: 22px 20px 20px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.sidebar-logo-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo-symbol {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex-shrink: 0;
  filter: brightness(0) saturate(100%) invert(71%) sepia(39%) saturate(500%) hue-rotate(5deg) brightness(95%) contrast(88%);
}
.sidebar-logo-wordmark {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--ivoire);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  display: block;
}
.sidebar-logo-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(250,250,245,0.28);
  margin-top: 6px;
  display: block;
}

.topbar-logo {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  color: white;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 0 8px;
}

.sidebar-nav-section {
  font-family: 'Inter', sans-serif;
  font-size: 8.5px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(124,154,122,0.55);
  padding: 0 18px;
  margin-top: 14px;
  margin-bottom: 4px;
}
.sidebar-nav-section:first-child { margin-top: 0; }

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.48);
  text-decoration: none;
  border: none;
  background: none;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  width: 100%;
  text-align: left;
  border-left: 2px solid transparent;
  box-sizing: border-box;
  transition: color 0.14s, background 0.14s;
}
.sidebar-nav-item:hover {
  color: rgba(255,255,255,0.84);
  background: rgba(255,255,255,0.04);
}
.sidebar-nav-item.active {
  color: #F5F4EF;
  background: rgba(124,154,122,0.18);
  border-left-color: var(--terra);
  font-weight: 500;
}

.sidebar-nav-icon {
  width: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.8;
}
.sidebar-nav-icon svg { display: block; }
.sidebar-ext-icon {
  margin-left: auto;
  opacity: 0.35;
  display: flex;
  align-items: center;
}
.sidebar-ext-icon svg { display: block; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 6px 0 8px;
  flex-shrink: 0;
}

/* ── Overlay mobile ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.48);
  z-index: 299;
}
.sidebar-overlay.visible { display: block; }

/* ── Mobile topbar ── */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--anthracite);
  align-items: center;
  padding: 0 16px;
  z-index: 298;
  gap: 14px;
}

.hamburger {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.hamburger svg { display: block; }

/* ── Décalage du contenu ── */
body.has-sidebar { padding-left: var(--sidebar-w); }

/* ── Mode overlay (magisteria.html) : sidebar masquée, s'ouvre par-dessus ── */
body.sidebar-overlay-mode.has-sidebar { padding-left: 0; }
body.sidebar-overlay-mode .sidebar {
  transform: translateX(-100%);
  transition: transform 0.22s ease;
}
body.sidebar-overlay-mode .sidebar.open { transform: translateX(0); }

/* ── Bouton menu dans la barre des onglets ── */
.nav-menu-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px 6px 10px;
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s;
}
.nav-menu-btn:hover { background: rgba(255,255,255,0.09); color: white; }
.nav-menu-btn .menu-btn-icon { display: flex; align-items: center; }
.nav-menu-btn .menu-btn-icon svg { display: block; }

/* ── Titres de page H1 Cormorant Garamond ── */
.has-sidebar .page-header h1,
.has-sidebar .biblio-head h1 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  body.has-sidebar {
    padding-left: 0;
    padding-top: var(--topbar-h);
  }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.22s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .mobile-topbar { display: flex; }
}