/* ==========================================================================
   bacteriologie.net — design system commun (accueil, sommaires, cours, pages)
   Thème clair par défaut ; thème sombre selon le système OU le choix du
   lecteur (attribut data-theme sur <html>, mémorisé par /assets/site.js).
   ========================================================================== */

/* 1. JETONS ---------------------------------------------------------------- */
:root {
  /* Thème clair : papier académique, texte anthracite, cartes blanches */
  --bg: #f8fafc;
  --bg-glow-1: rgba(6, 182, 212, 0.07);
  --bg-glow-2: rgba(168, 85, 247, 0.06);
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text: #0f172a;
  --text-muted: #475569;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.16);
  --tint: rgba(15, 23, 42, 0.03);
  --brand: #0f4c81;
  --brand-soft: #e8f0f8;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.07);
  --shadow-md: 0 10px 30px -12px rgba(15, 23, 42, 0.18);
  --accent-warn: #92400e;  --accent-warn-bg: #fffbeb;
  --accent-exam: #047857;  --accent-exam-bg: #ecfdf5;
  --res-s: #047857;  --res-r: #be123c;  --res-i: #b45309;

  /* Code couleur microbiologique : teinte vive (lueurs) + teinte texte lisible */
  --c-pos: #a855f7;     --t-pos: #7e22ce;      /* Gram positif : violet cristal */
  --c-neg: #f43f5e;     --t-neg: #be123c;      /* Gram négatif : rose corail */
  --c-struct: #06b6d4;  --t-struct: #0e7490;   /* Structure et diagnostic : cyan */
  --c-atb: #f59e0b;     --t-atb: #b45309;      /* Antibiogramme et résistances : ambre */
  --c-gen: #10b981;     --t-gen: #047857;      /* Génétique : émeraude */
  --c-nc: #64748b;      --t-nc: #475569;       /* Peu ou pas colorable au Gram */
  --mark: rgba(6, 182, 212, 0.22);

  --font-text: Charter, "Bitstream Charter", "Sitka Text", Cambria, "Iowan Old Style", Georgia, serif;
  --font-ui: "Inter var", Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure: 72ch;
  --header-h: 7.25rem;
  --radius: 10px;
  --radius-sm: 6px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
  --bg: #0b1120;
  --bg-glow-1: rgba(6, 182, 212, 0.10);
  --bg-glow-2: rgba(168, 85, 247, 0.10);
  --surface: #111a2e;
  --surface-2: #17223a;
  --surface-glass: rgba(17, 26, 46, 0.72);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --tint: rgba(255, 255, 255, 0.04);
  --brand: #7db3ee;
  --brand-soft: #14243d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --accent-warn: #fcd34d;  --accent-warn-bg: #241c0b;
  --accent-exam: #6ee7b7;  --accent-exam-bg: #0f2620;
  --res-s: #6ee7b7;  --res-r: #fda4af;  --res-i: #fcd34d;
  --t-pos: #d8b4fe;  --t-neg: #fda4af;  --t-struct: #67e8f9;  --t-atb: #fcd34d;  --t-gen: #6ee7b7;  --t-nc: #cbd5e1;
  --mark: rgba(6, 182, 212, 0.28);
  color-scheme: dark;
}
}
:root[data-theme="dark"] {
  --bg: #0b1120;
  --bg-glow-1: rgba(6, 182, 212, 0.10);
  --bg-glow-2: rgba(168, 85, 247, 0.10);
  --surface: #111a2e;
  --surface-2: #17223a;
  --surface-glass: rgba(17, 26, 46, 0.72);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --tint: rgba(255, 255, 255, 0.04);
  --brand: #7db3ee;
  --brand-soft: #14243d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --accent-warn: #fcd34d;  --accent-warn-bg: #241c0b;
  --accent-exam: #6ee7b7;  --accent-exam-bg: #0f2620;
  --res-s: #6ee7b7;  --res-r: #fda4af;  --res-i: #fcd34d;
  --t-pos: #d8b4fe;  --t-neg: #fda4af;  --t-struct: #67e8f9;  --t-atb: #fcd34d;  --t-gen: #6ee7b7;  --t-nc: #cbd5e1;
  --mark: rgba(6, 182, 212, 0.28);
  color-scheme: dark;
}

/* 2. BASE ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--header-h) + 1rem); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; color: var(--text);
  background:
    radial-gradient(60rem 30rem at 85% -10%, var(--bg-glow-1), transparent 70%),
    radial-gradient(50rem 28rem at -10% 10%, var(--bg-glow-2), transparent 70%),
    var(--bg);
  background-repeat: no-repeat; background-color: var(--bg);
  font-family: var(--font-text); font-size: 1.0625rem; line-height: 1.65;
  text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--c-struct); outline-offset: 2px; border-radius: 4px; }
img, svg { max-width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0.5rem; background: var(--brand); color: #fff; padding: 0.5rem 1rem; z-index: 100; border-radius: var(--radius-sm); }
.skip-link:focus { left: 0.5rem; }
[hidden] { display: none !important; }

h1, h2, h3 { color: var(--text); line-height: 1.2; font-family: var(--font-ui); letter-spacing: -0.025em; }
h1 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3rem); margin: 0.25rem 0 0.75rem; font-weight: 700; }
h2 { font-size: 1.45rem; margin: 2.75rem 0 0.75rem; padding-top: 0.25rem; font-weight: 650; }
h3 { font-size: 1.12rem; margin: 1.75rem 0 0.5rem; font-weight: 650; }
.course h1, .course h2 { color: var(--brand); }
p, ul, ol { margin: 0 0 1rem; }
li + li { margin-top: 0.3rem; }
em.taxon { font-style: italic; }
abbr[title] { text-decoration: underline dotted; cursor: help; }
mark { background: var(--mark); color: inherit; border-radius: 3px; padding: 0 0.1em; }
kbd { font-family: var(--font-ui); font-size: 0.75rem; }

/* 3. EN-TÊTE ----------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--surface-glass);
  -webkit-backdrop-filter: saturate(160%) blur(12px); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border); font-family: var(--font-ui);
}
.header-inner { max-width: 78rem; margin: 0 auto; padding: 0.55rem 1rem; }
.header-top { display: flex; align-items: center; gap: 0.5rem 1.25rem; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.08rem; color: var(--text); text-decoration: none; white-space: nowrap; letter-spacing: -0.01em; }
.brand-name span { color: var(--text-muted); font-weight: 500; }
.brand-mark { width: 1.35rem; height: 1.35rem; flex: none; }
.main-nav { min-width: 0; max-width: 100%; flex: 1 1 auto; }
.main-nav ul { display: flex; gap: 0.15rem; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.main-nav li + li { margin-top: 0; }
.main-nav a { display: block; padding: 0.38rem 0.7rem; border-radius: var(--radius-sm); color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; white-space: nowrap; transition: color .15s, background-color .15s; }
.main-nav a:hover { color: var(--text); background: var(--surface-2); }
.main-nav a[aria-current="page"], .main-nav a.is-section { color: var(--text); background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--border); }
.header-actions { display: flex; align-items: center; gap: 0.4rem; margin-left: auto; }
@media (max-width: 52rem) { .header-actions { order: 2; } .main-nav { order: 3; flex-basis: 100%; } }
.icon-btn {
  display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; padding: 0;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface);
  color: var(--text-muted); cursor: pointer; box-shadow: var(--shadow-sm); transition: color .15s, border-color .15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 1.05rem; height: 1.05rem; }
/* Soleil en thème sombre (pour repasser en clair), lune en thème clair */
.theme-toggle .i-sun { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-toggle .i-sun { display: block; } :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; } }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }

.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.25rem; list-style: none; margin: 0.3rem 0 0; padding: 0; font-size: 0.8rem; color: var(--text-muted); }
.breadcrumb li + li { margin-top: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 0.35rem; opacity: 0.5; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb [aria-current="page"] { color: var(--text); }

/* 4. PASTILLES DE CATÉGORIE ---------------------------------------------- */
.cat-pos { --accent: var(--c-pos); --accent-text: var(--t-pos); }
.cat-neg { --accent: var(--c-neg); --accent-text: var(--t-neg); }
.cat-struct { --accent: var(--c-struct); --accent-text: var(--t-struct); }
.cat-atb { --accent: var(--c-atb); --accent-text: var(--t-atb); }
.cat-gen { --accent: var(--c-gen); --accent-text: var(--t-gen); }
.cat-nc { --accent: var(--c-nc); --accent-text: var(--t-nc); }
.pill {
  display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--font-ui);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.01em; line-height: 1.5;
  padding: 0.05rem 0.55rem; border-radius: 999px; white-space: nowrap;
  color: var(--accent-text, var(--text-muted));
  background: color-mix(in srgb, var(--accent, var(--c-nc)) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, var(--c-nc)) 30%, transparent);
}
.pill.dot::before { content: ""; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--accent, var(--c-nc)); box-shadow: 0 0 8px var(--accent, transparent); }
.pill.neutral { --accent: var(--c-nc); --accent-text: var(--text-muted); }
.rt { font-family: var(--font-ui); font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.rt:empty { display: none; }

/* 5. GRILLE DES COURS ----------------------------------------------------- */
.layout { max-width: 78rem; margin: 0 auto; padding: 1.75rem 1rem 4rem; display: grid; gap: 3rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 64rem) { .layout { grid-template-columns: minmax(0, var(--measure)) 15rem; justify-content: center; } .layout > .toc { order: 2; } }
.toc { font-family: var(--font-ui); font-size: 0.875rem; }
.toc details { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.toc summary { cursor: pointer; padding: 0.65rem 0.9rem; font-weight: 600; color: var(--text); }
.toc ol { list-style: none; margin: 0; padding: 0 0.5rem 0.75rem; }
.toc li { margin: 0; }
.toc a { display: block; padding: 0.3rem 0.5rem 0.3rem 0.8rem; border-left: 1px solid var(--border); color: var(--text-muted); text-decoration: none; line-height: 1.4; transition: color .15s, border-color .15s; }
.toc a:hover { color: var(--text); }
.toc a.is-active { color: var(--brand); border-left-color: var(--c-struct); font-weight: 600; }
@media (min-width: 64rem) {
  .toc { position: sticky; top: calc(var(--header-h) + 1rem); align-self: start; max-height: calc(100vh - var(--header-h) - 2rem); overflow-y: auto; }
  .toc details { border: 0; background: none; box-shadow: none; }
  .toc summary { pointer-events: none; list-style: none; padding-left: 0.8rem; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.08em; color: var(--text-muted); }
  .toc summary::-webkit-details-marker { display: none; }
}

/* 6. EN-TÊTE DE COURS ----------------------------------------------------- */
.course-header { margin-bottom: 1.5rem; }
.kicker { font-family: var(--font-ui); font-size: 0.76rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-muted); margin: 0 0 0.35rem; display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.meta { font-family: var(--font-ui); font-size: 0.85rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0 0 1rem; }
.meta strong { color: var(--text); font-weight: 600; }
.tools { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1.5rem; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem; text-decoration: none;
  font-family: var(--font-ui); font-size: 0.85rem; font-weight: 600; line-height: 1.2;
  padding: 0.5rem 0.9rem; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm);
  transition: border-color .15s, transform .15s var(--ease), background-color .15s;
}
.btn:hover { border-color: var(--border-strong); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 1rem; height: 1rem; flex: none; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: color-mix(in srgb, var(--brand) 88%, #000); border-color: transparent; }
:root[data-theme="dark"] .btn-primary { color: #0b1120; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-primary { color: #0b1120; } }
.btn-ghost { background: transparent; box-shadow: none; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }
.copy-status { font-family: var(--font-ui); font-size: 0.8rem; color: var(--t-gen); }

.tldr { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--c-struct); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0 0 1.5rem; box-shadow: var(--shadow-sm); }
.tldr h2 { border: 0; margin: 0 0 0.5rem; padding: 0; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--t-struct) !important; }
.tldr ul { margin: 0; padding-left: 1.2rem; }

/* Encadré « ⚡ Points clés (à retenir) », placé en tête du cours */
.exam-box {
  position: relative; margin: 0 0 2rem; padding: 1.1rem 1.35rem 1.2rem; border-radius: var(--radius);
  border: 1.5px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(135deg, var(--c-struct), var(--c-pos) 55%, var(--c-atb)) border-box;
  box-shadow: 0 12px 32px -18px color-mix(in srgb, var(--c-pos) 55%, transparent);
}
.course .exam-box h2 { margin: 0 0 0.6rem; padding: 0; border: 0; font-size: 1.05rem; color: var(--text); display: flex; gap: 0.5rem; align-items: center; }
.exam-box .key-points { margin: 0; padding: 0; border: 0; background: none; }
.exam-box .key-points ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.exam-box .key-points li { margin: 0; padding-left: 1.5rem; position: relative; }
.exam-box .key-points li::before { content: "✓"; position: absolute; left: 0; top: 0; font-family: var(--font-ui); font-weight: 700; color: var(--t-gen); }

/* 7. BLOCS PÉDAGOGIQUES -------------------------------------------------- */
.course-body > section > h2 { border-top: 1px solid var(--border); padding-top: 1.25rem; }
.callout { border-radius: var(--radius); padding: 0.9rem 1.15rem; margin: 1.5rem 0; border: 1px solid; }
.callout > :last-child { margin-bottom: 0; }
.callout-title { font-family: var(--font-ui); font-weight: 700; font-size: 0.88rem; margin: 0 0 0.4rem; display: flex; gap: 0.4rem; align-items: center; }
.callout-warning { background: var(--accent-warn-bg); border-color: color-mix(in srgb, var(--accent-warn) 30%, transparent); }
.callout-warning .callout-title { color: var(--accent-warn); }
.key-points { background: var(--accent-exam-bg); border-color: color-mix(in srgb, var(--accent-exam) 30%, transparent); }
.key-points .callout-title { color: var(--accent-exam); }
.key-points ul { padding-left: 1.2rem; margin: 0; }
figure { margin: 1.5rem 0; }
figcaption { font-family: var(--font-ui); font-size: 0.85rem; color: var(--text-muted); margin-top: 0.4rem; }

/* 8. TABLEAUX ------------------------------------------------------------ */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
table { border-collapse: collapse; width: 100%; font-family: var(--font-ui); font-size: 0.88rem; line-height: 1.45; }
caption { caption-side: top; text-align: left; padding: 0.8rem 1rem; font-weight: 600; color: var(--text); }
th, td { padding: 0.6rem 0.85rem; border-top: 1px solid var(--border); text-align: left; vertical-align: top; }
thead th { background: var(--surface-2); font-weight: 600; white-space: nowrap; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
tbody th { font-weight: 600; position: sticky; left: 0; background: var(--surface); }
tbody tr:hover td, tbody tr:hover th { background: var(--surface-2); }
.table-note { font-family: var(--font-ui); font-size: 0.78rem; color: var(--text-muted); padding: 0.5rem 1rem 0.75rem; margin: 0; }
.res { display: inline-block; min-width: 1.6rem; text-align: center; font-weight: 700; border-radius: 5px; padding: 0 0.3rem; border: 1px solid currentColor; font-size: 0.8rem; }
.res-s { color: var(--res-s); background: color-mix(in srgb, var(--res-s) 8%, transparent); }
.res-r { color: var(--res-r); background: color-mix(in srgb, var(--res-r) 8%, transparent); }
.res-i { color: var(--res-i); background: color-mix(in srgb, var(--res-i) 8%, transparent); }

/* 9. PIED DE COURS ET DE SITE ------------------------------------------- */
.eeat { margin-top: 3rem; padding: 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); font-family: var(--font-ui); font-size: 0.9rem; box-shadow: var(--shadow-sm); }
.course .eeat h2 { border: 0; margin: 0 0 0.75rem; padding: 0; font-size: 1rem; color: var(--text); }
.eeat dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; margin: 0 0 0.75rem; }
.eeat dt { color: var(--text-muted); }
.eeat dd { margin: 0; }
.references ol { font-size: 0.9rem; padding-left: 1.4rem; }
.site-footer { border-top: 1px solid var(--border); font-family: var(--font-ui); font-size: 0.85rem; color: var(--text-muted); margin-top: 2rem; }
.site-footer .footer-inner { max-width: 78rem; margin: 0 auto; padding: 2rem 1rem 2.5rem; display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; }
.site-footer a { color: var(--text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.print-only { display: none; }
.fiche-label { display: none; }

/* 10. ACCUEIL : HERO, OMNIBAR ------------------------------------------- */
.page { max-width: 78rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
.page-intro { max-width: 52rem; margin-bottom: 2rem; }
.lead { font-size: 1.15rem; color: var(--text-muted); margin: 0 0 1rem; }
.page h2 { margin-top: 3rem; }
.hero { display: grid; gap: 2rem; align-items: center; grid-template-columns: minmax(0, 1fr); padding: 1.5rem 0 1rem; }
@media (min-width: 60rem) { .hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 3rem; padding: 3rem 0 2rem; } }
.hero .eyebrow { display: inline-flex; gap: 0.5rem; align-items: center; font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; color: var(--text-muted); padding: 0.25rem 0.75rem; border: 1px solid var(--border); border-radius: 999px; background: var(--surface-glass); margin: 0 0 1rem; }
.hero h1 { font-size: clamp(2.1rem, 1.3rem + 3vw, 3.4rem); line-height: 1.08; letter-spacing: -0.035em; margin: 0 0 1rem; }
.hero h1 .grad { background: linear-gradient(100deg, var(--brand), var(--c-struct) 45%, var(--c-pos)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-art { position: relative; min-height: 18rem; display: none; }
@media (min-width: 60rem) { .hero-art { display: block; } }
.hero-art svg { width: 100%; height: auto; display: block;
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 62%, transparent 100%);
          mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 62%, transparent 100%); }
@media (prefers-reduced-motion: no-preference) {
  .hero-art .float-a { animation: float 9s ease-in-out infinite; }
  .hero-art .float-b { animation: float 11s ease-in-out -3s infinite; }
  .hero-art .float-c { animation: float 13s ease-in-out -6s infinite; }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
}
.feature-card {
  position: absolute; right: 0.5rem; bottom: 0.5rem; width: min(19rem, 75%);
  padding: 0.95rem 1.1rem; border-radius: var(--radius); text-decoration: none; color: var(--text);
  font-family: var(--font-ui); background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
  transition: transform .2s var(--ease), border-color .2s;
}
.feature-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.feature-card .fc-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; }
.feature-card .fc-title { display: block; font-weight: 650; margin: 0.25rem 0 0.5rem; line-height: 1.3; }
.feature-card .fc-row { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }

.omnibar { position: relative; margin: 1.75rem 0 0; font-family: var(--font-ui); max-width: 40rem; }
.omnibar-field { position: relative; }
.omnibar-icon { position: absolute; z-index: 1; left: 1rem; top: 50%; width: 1.15rem; height: 1.15rem; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.omnibar input {
  width: 100%; font: inherit; font-size: 1rem; color: var(--text);
  padding: 0.95rem 5.25rem 0.95rem 2.9rem; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.omnibar input::placeholder { color: var(--text-muted); opacity: 0.85; }
.omnibar input::-webkit-search-cancel-button { display: none; }
.omnibar input:focus {
  outline: none; border-color: color-mix(in srgb, var(--c-struct) 60%, var(--border));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-struct) 16%, transparent), 0 12px 40px -12px color-mix(in srgb, var(--c-pos) 45%, transparent);
}
.omnibar-kbd {
  position: absolute; z-index: 1; right: 0.75rem; top: 50%; transform: translateY(-50%);
  display: inline-flex; gap: 0.2rem; align-items: center; pointer-events: none;
  padding: 0.15rem 0.5rem; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted); font-size: 0.75rem; font-weight: 600;
}
@media (hover: none) { .omnibar-kbd { display: none; } .omnibar input { padding-right: 1rem; } }
.search-status { font-size: 0.82rem; color: var(--text-muted); margin: 0.5rem 0 0; min-height: 1.3em; }
.search-results {
  list-style: none; margin: 0.4rem 0 0; padding: 0.35rem; border: 1px solid var(--border);
  border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-md); max-height: 26rem; overflow-y: auto;
}
.search-results:empty { display: none; }
.search-results li { margin: 0; }
.search-results a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.15rem 0.75rem; align-items: center; padding: 0.6rem 0.75rem; border-radius: 8px; text-decoration: none; color: var(--text); }
.search-results a:hover, .search-results a.is-active { background: var(--surface-2); outline: none; }
.search-results .r-title { font-weight: 600; }
.search-results .r-meta { grid-column: 1; font-size: 0.8rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-results .r-side { grid-column: 2; grid-row: 1 / span 2; display: flex; gap: 0.4rem; align-items: center; }

/* 11. SILOS EN LIGNES INTERACTIVES -------------------------------------- */
.silos { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); margin-top: 1rem; }
.silo { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); padding: 1.35rem 1.35rem 1rem; box-shadow: var(--shadow-sm); font-family: var(--font-ui); }
.silo-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 0.25rem; }
.page .silo h3 { margin: 0; font-size: 1.2rem; }
.silo h3 a { color: var(--text); text-decoration: none; }
.silo h3 a:hover { color: var(--brand); }
.silo .count { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.silo-desc { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 0.75rem; }
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.rows li { margin: 0; border-bottom: 1px solid var(--border); }
.rows li:last-child { border-bottom: 0; }
.row { display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 0.35rem; text-decoration: none; color: var(--text); border-radius: 8px; transition: background-color .15s; }
.row:hover { background: var(--surface-2); }
.row-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--accent, var(--c-nc)); box-shadow: 0 0 10px var(--accent, transparent); flex: none; }
.row-label { flex: 1; font-size: 0.93rem; font-weight: 500; }
.row-count { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); padding: 0.05rem 0.5rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.row-chev { color: var(--text-muted); transition: transform .2s var(--ease), color .2s; }
.row:hover .row-chev { transform: translateX(4px); color: var(--text); }
.silo-all { display: inline-flex; gap: 0.35rem; align-items: center; margin-top: 0.85rem; font-size: 0.88rem; font-weight: 600; text-decoration: none; }
.silo-all:hover span { transform: translateX(3px); }
.silo-all span { transition: transform .2s var(--ease); }

/* 12. CARTES DE COURS -------------------------------------------------- */
.card-grid { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.85rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); }
.card-grid li { margin: 0; }
.card {
  position: relative; display: flex; flex-direction: column; height: 100%; padding: 1rem 1.05rem 0.9rem;
  text-decoration: none; color: var(--text); font-family: var(--font-ui);
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), border-color .2s, box-shadow .2s; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent, var(--brand)), transparent); opacity: 0.55;
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent, var(--brand)) 45%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent, var(--brand)) 15%, transparent), 0 14px 32px -16px color-mix(in srgb, var(--accent, var(--brand)) 60%, transparent);
}
.card-title { display: block; font-weight: 650; line-height: 1.35; color: var(--text); }
.card-desc { display: block; font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; line-height: 1.45; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-top: 0.8rem; flex-wrap: wrap; }
.badges { display: flex; flex-wrap: wrap; gap: 0.3rem; }
@media (prefers-reduced-motion: reduce) { .card, .card:hover, .feature-card:hover { transform: none; } }

/* 13. SOMMAIRES : NAVIGATION INTERNE, FILTRES -------------------------- */
.jump { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; padding: 0; margin: 1rem 0 0; font-family: var(--font-ui); font-size: 0.86rem; }
.jump li { margin: 0; }
.jump a { display: inline-flex; gap: 0.4rem; align-items: center; padding: 0.3rem 0.8rem; border: 1px solid var(--border); border-radius: 999px; text-decoration: none; background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.jump a::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--accent, var(--c-nc)); }
.jump a:hover { border-color: var(--border-strong); }
.theme-desc { color: var(--text-muted); margin: 0; max-width: 60ch; }
.filters { font-family: var(--font-ui); border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 1rem 1.15rem; margin: 1.5rem 0 0; display: grid; gap: 0.75rem; box-shadow: var(--shadow-sm); }
.filter-group { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.filter-label { font-weight: 600; font-size: 0.82rem; min-width: 7.5rem; color: var(--text-muted); }
.chip { font: inherit; font-size: 0.84rem; padding: 0.3rem 0.8rem; border-radius: 999px; border: 1px solid var(--border); background: var(--bg); color: var(--text); cursor: pointer; transition: border-color .15s, background-color .15s; }
.chip:hover { border-color: var(--border-strong); }
.chip[aria-pressed="true"] { background: var(--text); border-color: var(--text); color: var(--bg); }
.filter-status { font-size: 0.82rem; color: var(--text-muted); margin: 0; }
.no-results { font-family: var(--font-ui); color: var(--text-muted); }

/* 14. DÉMARCHE ÉDITORIALE ET PAGES D'INFORMATION ----------------------- */
.pillars { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); margin-top: 1rem; }
.pillar { padding: 1.1rem 1.2rem; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm); }
.pillar h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.pillar p { margin: 0; font-size: 0.95rem; color: var(--text-muted); }
.history-note { display: grid; grid-template-columns: minmax(0, 70ch); margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.95rem; }
.prose { max-width: var(--measure); }
.prose h2 { border-top: 1px solid var(--border); padding-top: 1rem; }
.prose .page-intro { margin-bottom: 1rem; }
.roles { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.2rem 1.25rem; }
.roles dt { font-family: var(--font-ui); font-weight: 600; color: var(--brand); margin-top: 0.6rem; }
.roles dd { margin: 0; }
@media (min-width: 40rem) { .roles { grid-template-columns: 13rem 1fr; } .roles dt { margin-top: 0; } }

/* 15. IMPRESSION -----------------------------------------------------------
   Noir sur blanc, sans navigation ni recherche ; URL source en haut de page.
   « Fiche de révision » : synthèse, points clés et tableaux, ~2 pages A4. */
@media print {
  @page { size: A4; margin: 18mm 14mm 16mm; }
  :root, :root[data-theme="dark"], :root:not([data-theme="light"]) {
    --bg: #fff; --surface: #fff; --surface-2: #f2f2f2; --text: #000; --text-muted: #333;
    --border: #bbb; --brand: #000; --brand-soft: #fff; --shadow-sm: none; --shadow-md: none;
    --accent-exam-bg: #fff; --accent-warn-bg: #fff; --accent-exam: #000; --accent-warn: #000;
    --res-s: #000; --res-r: #000; --res-i: #000;
    --t-pos: #000; --t-neg: #000; --t-struct: #000; --t-atb: #000; --t-gen: #000; --t-nc: #000;
    color-scheme: light;
  }
  body { background: #fff !important; color: #000; font-size: 10.5pt; line-height: 1.45; }
  .site-header, .toc, .tools, .site-footer, .skip-link, .omnibar, .filters, .jump, .hero-art,
  .theme-toggle, .header-actions, .copy-status { display: none !important; }
  .layout { display: block; padding: 0; max-width: none; }
  h1 { font-size: 18pt; color: #000 !important; }
  h2 { font-size: 13pt; margin-top: 1.2em; color: #000 !important; }
  h3 { font-size: 11pt; }
  a { color: #000; text-decoration: none; }
  h2, h3 { break-after: avoid; }
  .callout, .tldr, .exam-box, table, figure, tr { break-inside: avoid; }
  .exam-box { background: #fff; border: 1.5pt solid #000; box-shadow: none; }
  .tldr { border: 1pt solid #000; border-left-width: 3pt; }
  .card, .pillar, .silo, .eeat, .table-wrap { box-shadow: none; }
  .card::before { display: none; }
  tbody th { position: static; }
  .table-wrap { overflow: visible; }
  .pill { border-color: #000; background: none; }
  .print-only { display: block; }
  .print-brand { position: fixed; top: -12mm; left: 0; right: 0; display: flex; justify-content: space-between; gap: 1rem; font-family: var(--font-ui); font-size: 8pt; color: #000; border-bottom: 0.5pt solid #000; padding-bottom: 1.5mm; }
  .print-footer { position: fixed; bottom: -11mm; left: 0; right: 0; font-family: var(--font-ui); font-size: 7.5pt; color: #333; text-align: center; }

  body.mode-fiche { font-size: 9.5pt; line-height: 1.35; }
  body.mode-fiche .course-body > section:not(:has(.key-points, .table-wrap)),
  body.mode-fiche .course-body > section > :not(h2):not(.key-points):not(.table-wrap),
  body.mode-fiche .eeat, body.mode-fiche .references, body.mode-fiche .callout-warning,
  body.mode-fiche .meta, body.mode-fiche .kicker { display: none !important; }
  body.mode-fiche .fiche-label { display: block; font-family: var(--font-ui); font-size: 9pt; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
  body.mode-fiche h1 { font-size: 15pt; margin: 0 0 0.3em; }
  body.mode-fiche h2 { font-size: 11pt; margin: 0.7em 0 0.25em; padding-top: 0; border-top: 0; }
  body.mode-fiche .tldr { padding: 0.45em 0.8em; margin: 0 0 0.6em; }
  body.mode-fiche .tldr h2 { font-size: 9pt; margin: 0 0 0.2em; }
  body.mode-fiche .exam-box { padding: 0.5em 0.8em; margin: 0 0 0.6em; }
  body.mode-fiche .exam-box .key-points ul { gap: 0.1em; }
  body.mode-fiche .tldr li + li { margin-top: 0.1em; }
  body.mode-fiche .table-wrap { margin: 0.4em 0; }
  body.mode-fiche table { font-size: 8.5pt; line-height: 1.3; }
  body.mode-fiche caption { padding: 0.3em 0.5em; font-size: 9pt; }
  body.mode-fiche th, body.mode-fiche td { padding: 0.2em 0.45em; }
  body.mode-fiche thead th { font-size: 7.5pt; }
  body.mode-fiche .table-note { padding: 0.2em 0.5em 0.35em; font-size: 7.5pt; }
}

/* ==========================================================================
   16. STANDARD « STAFF DESIGN » — composants communs à toutes les pages
   Voir .claude/skills/ui-god-mode/SKILL.md
   ========================================================================== */
:root { --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace; }
.rt, .row-count, .count-badge, .stat-value, td, .cmd-side, time { font-variant-numeric: tabular-nums; }
h1, h2, h3, .card-title, .bento-title, .stat-value { letter-spacing: -0.025em; }

/* Badge technique monospace */
.mono-badge {
  display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.35; padding: 2px 6px; border-radius: 4px;
  border: 1px solid var(--border-strong); background: var(--tint); color: var(--text-muted); text-decoration: none; white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
a.mono-badge:hover, a.mono-badge:focus-visible {
  color: var(--t-struct); border-color: color-mix(in srgb, var(--c-struct) 55%, transparent);
  background: color-mix(in srgb, var(--c-struct) 10%, transparent); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--c-struct) 55%, transparent);
}
/* Infobulle légère (attribut data-tip) */
[data-tip] { position: relative; }
[data-tip]::after {
  content: attr(data-tip); position: absolute; right: 0; bottom: calc(100% + 8px); z-index: 20; pointer-events: none;
  font-family: var(--font-ui); font-size: 0.72rem; font-weight: 500; text-transform: none; letter-spacing: 0; white-space: nowrap;
  padding: 0.3rem 0.55rem; border-radius: 6px; background: var(--text); color: var(--bg); box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(3px); transition: opacity .15s var(--ease), transform .15s var(--ease);
}
[data-tip]:hover::after, [data-tip]:focus-visible::after { opacity: 1; transform: none; }
@media (hover: none) { [data-tip]::after { display: none; } }

/* Lumière qui suit le pointeur (site.js renseigne --mx / --my) */
.spot { background-image: radial-gradient(260px circle at var(--mx, 50%) var(--my, -50%), color-mix(in srgb, var(--accent, var(--c-struct)) 0%, transparent), transparent 70%); }
@media (hover: hover) {
  .spot:hover { background-image: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent, var(--c-struct)) 9%, transparent), transparent 70%); }
}

/* Liens étirés : toute la surface est cliquable, les sous-liens restent accessibles */
.card-link, .cmd-main { color: inherit; text-decoration: none; }
.card-link::after, .cmd-main::after { content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 0; }
.card-link:focus-visible, .cmd-main:focus-visible { outline: none; }
.card:has(.card-link:focus-visible), .cmd-row:has(.cmd-main:focus-visible) { outline: 2px solid var(--c-struct); outline-offset: 2px; }
.card .mono-badge, .cmd-row .mono-badge { position: relative; z-index: 1; }

/* Cartes (version lien étiré) */
.card { cursor: pointer; }
.card-actions { display: inline-flex; gap: 0.5rem; align-items: center; }

/* Listes de contenu rédactionnel : marqueurs du design system, jamais les puces par défaut */
.course-body ul:not([class]), .prose ul:not([class]), .tldr ul, .callout ul:not([class]) { list-style: none; padding-left: 1.15rem; }
.course-body ul:not([class]) > li, .prose ul:not([class]) > li, .tldr ul > li, .callout ul:not([class]) > li { position: relative; }
.course-body ul:not([class]) > li::before, .prose ul:not([class]) > li::before, .tldr ul > li::before, .callout ul:not([class]) > li::before {
  content: ""; position: absolute; left: -1rem; top: 0.68em; width: 0.38rem; height: 0.38rem; border-radius: 2px;
  background: var(--accent, var(--c-struct)); opacity: 0.75;
}
.course-body ol:not([class]) > li::marker, .prose ol:not([class]) > li::marker, .references ol > li::marker { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.85em; }
.course-body a, .prose a, .lead a, .history-note a, .pillar a, .eeat a, .references a {
  text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); text-decoration-thickness: 1px;
}
.course-body a:hover, .prose a:hover { text-decoration-color: currentColor; }

/* En-tête : déclencheur de la palette de commande */
.cmdk-trigger {
  display: inline-flex; align-items: center; gap: 0.5rem; height: 2.25rem; padding: 0 0.5rem 0 0.7rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text-muted);
  font: 500 0.85rem/1 var(--font-ui); cursor: pointer; box-shadow: var(--shadow-sm);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.cmdk-trigger:hover { border-color: var(--border-strong); color: var(--text); }
.cmdk-trigger svg { width: 0.95rem; height: 0.95rem; }
.cmdk-trigger .cmdk-label { min-width: 7rem; text-align: left; }
@media (max-width: 52rem) { .cmdk-trigger .cmdk-label, .cmdk-trigger .mono-badge { display: none; } .cmdk-trigger { width: 2.25rem; justify-content: center; padding: 0; } }

/* Palette de commande (⌘K / Ctrl K) */
.palette { width: min(40rem, calc(100vw - 2rem)); max-height: min(34rem, calc(100vh - 6rem)); margin: 12vh auto auto; padding: 0;
  border: 1px solid var(--border-strong); border-radius: 14px; background: var(--surface); color: var(--text);
  box-shadow: 0 30px 80px -20px rgba(2, 6, 23, 0.55); overflow: hidden; font-family: var(--font-ui); }
.palette::backdrop { background: rgba(2, 6, 23, 0.45); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.palette-field { position: relative; border-bottom: 1px solid var(--border); }
.palette-field svg { position: absolute; left: 1rem; top: 50%; width: 1.1rem; height: 1.1rem; transform: translateY(-50%); color: var(--text-muted); }
.palette input { width: 100%; border: 0; outline: none; background: transparent; color: var(--text); font: 400 1rem var(--font-ui); padding: 1rem 4rem 1rem 2.8rem; }
.palette input::-webkit-search-cancel-button { display: none; }
.palette-field .mono-badge { position: absolute; right: 0.9rem; top: 50%; transform: translateY(-50%); }
.palette .search-results { border: 0; box-shadow: none; border-radius: 0; margin: 0; max-height: 24rem; }
.palette .search-status { padding: 0.55rem 1rem; margin: 0; border-top: 1px solid var(--border); font-size: 0.76rem; }
.palette-empty { padding: 1rem; color: var(--text-muted); font-size: 0.88rem; margin: 0; }

/* Pied de page structuré en colonnes */
.site-footer .footer-grid { max-width: 78rem; margin: 0 auto; padding: 2.5rem 1rem 1.5rem; display: grid; gap: 2rem;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); }
@media (max-width: 52rem) { .site-footer .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-brand { grid-column: 1 / -1; } }
.footer-brand p { margin: 0.6rem 0 0; max-width: 32ch; line-height: 1.55; }
.footer-col h2 { margin: 0 0 0.75rem; padding: 0; border: 0; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text); font-weight: 600; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.footer-links li { margin: 0; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color .15s var(--ease); }
.footer-links a:hover { color: var(--text); }
.footer-bottom { max-width: 78rem; margin: 0 auto; padding: 1rem 1rem 2rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; font-size: 0.8rem; }

/* Bandeau de statistiques */
.stats { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9.5rem), 1fr)); margin: 1.5rem 0 0; }
.stat { padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm); font-family: var(--font-ui); position: relative; overflow: hidden; }
.stat::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--accent, var(--c-struct)); opacity: 0.8; }
.stat-value { display: block; font-size: 1.6rem; font-weight: 700; line-height: 1.1; color: var(--text); }
.stat-value.small { font-size: 1.05rem; padding-top: 0.35rem; }
.stat-label { display: block; margin-top: 0.3rem; font-size: 0.8rem; color: var(--text-muted); }

/* Filtres en ligne */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin: 1.25rem 0 0; font-family: var(--font-ui); }
.filter-bar .chip { display: inline-flex; gap: 0.4rem; align-items: center; }
.filter-bar .chip::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--accent, var(--text-muted)); }
.filter-bar .chip[data-value=""]::before { display: none; }

/* Grille Bento */
.bento { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); align-items: start; margin-top: 1.25rem; }
.bento-card { position: relative; border: 1px solid var(--border); border-radius: 14px; background-color: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; font-family: var(--font-ui); }
.bento-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent, var(--brand)), transparent); opacity: 0.7; }
.bento-head { display: flex; align-items: center; gap: 0.6rem; padding: 0.95rem 1.1rem 0.75rem; }
.bento-head .row-dot { width: 0.55rem; height: 0.55rem; }
.page .bento-title { margin: 0; padding: 0; border: 0; font-size: 0.98rem; font-weight: 650; flex: 1; color: var(--text); }
.bento-title a { color: inherit; text-decoration: none; }
.count-badge { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; color: var(--accent-text, var(--text-muted)); background: color-mix(in srgb, var(--accent, var(--c-nc)) 10%, transparent); border: 1px solid color-mix(in srgb, var(--accent, var(--c-nc)) 28%, transparent); white-space: nowrap; }
.bento-desc { margin: -0.35rem 1.1rem 0.6rem; font-size: 0.82rem; color: var(--text-muted); }

/* Interactive Command Rows */
.cmd-list { list-style: none; margin: 0; padding: 0.25rem 0.4rem 0.45rem; border-top: 1px solid var(--border); }
.cmd-row { position: relative; display: flex; align-items: center; gap: 0.7rem; margin: 0; padding: 0.55rem 0.65rem; border-radius: 8px; transition: background-color .2s var(--ease); }
.cmd-row + .cmd-row { margin-top: 1px; }
.cmd-row:hover { background-color: var(--tint); }
.cmd-row .cmd-dot { width: 0.4rem; height: 0.4rem; border-radius: 50%; flex: none; background: var(--accent, var(--c-nc)); box-shadow: 0 0 8px var(--accent, transparent); }
.cmd-main { flex: 1; min-width: 0; font-size: 0.9rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cmd-side { display: inline-flex; align-items: center; gap: 0.55rem; flex: none; color: var(--text-muted); font-size: 0.75rem; }
.cmd-arrow { color: var(--text-muted); transition: transform .25s var(--ease), color .2s var(--ease); }
.cmd-row:hover .cmd-arrow { transform: translateX(3px); color: var(--text); }
.cmd-row[hidden] { display: none !important; }

/* Pages institutionnelles : document en panneaux + sommaire à droite */
.doc { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 64rem) { .doc { grid-template-columns: minmax(0, 46rem) 14rem; justify-content: space-between; } }
.doc-toc { font-family: var(--font-ui); font-size: 0.85rem; }
@media (min-width: 64rem) { .doc-toc { position: sticky; top: calc(var(--header-h) + 1rem); align-self: start; } }
.doc-toc p { margin: 0 0 0.5rem; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; color: var(--text-muted); font-weight: 600; }
.doc-toc .cmd-list { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 0.3rem; }
.doc-toc .cmd-main { font-size: 0.84rem; }
.panel { position: relative; margin: 0 0 1rem; padding: 1.25rem 1.4rem 0.4rem; border: 1px solid var(--border); border-radius: 14px; background-color: var(--surface); box-shadow: var(--shadow-sm); }
.page .panel > h2 { margin: 0 0 0.75rem; padding: 0; border: 0; font-size: 1.15rem; }
.panel > h3 { font-size: 1rem; margin-top: 1.1rem; }
.prose .callout { margin: 0 0 1rem; }
.page-intro .lead + .meta { margin-top: 0.25rem; }
.roles { gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)) !important; margin-bottom: 1rem; }
.roles > div { padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: 10px; background: var(--tint); }
.roles dt { margin: 0 !important; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; }
.roles dd { margin: 0.3rem 0 0; font-size: 0.95rem; }

/* 404 */
.error-code { font-family: var(--font-mono); font-size: 0.8rem; color: var(--t-neg); }

/* Barre « AI & Study » des cours */
.study-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; padding: 0.55rem; margin: 0 0 1.5rem;
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm); }
.study-bar .sep { width: 1px; align-self: stretch; background: var(--border); margin: 0 0.15rem; }
.study-bar .btn { box-shadow: none; }
.study-meta { display: inline-flex; gap: 0.5rem; align-items: center; padding: 0 0.35rem; font-family: var(--font-ui); font-size: 0.8rem; color: var(--text-muted); }

@media print {
  .cmdk-trigger, .palette, .study-bar, .doc-toc, .filter-bar, .stats, .footer-grid, .footer-bottom { display: none !important; }
  .panel, .bento-card, .stat { box-shadow: none; }
  .doc { display: block; }
}

/* ==========================================================================
   17. CORRECTIFS D'AUDIT (novembre 2026)
   ========================================================================== */
/* En-tête sur une seule ligne jusqu'à 52rem : libellés courts, recherche compacte */
.nav-short { display: none; }
@media (max-width: 80rem) { .nav-long { display: none; } .nav-short { display: inline; } }
@media (max-width: 72rem) { .cmdk-trigger .cmdk-label { display: none; } .cmdk-trigger { padding: 0 0.45rem; } }
@media (min-width: 52.01rem) { .header-top { flex-wrap: nowrap; } .brand { flex: none; } }

/* Bento en maçonnerie : plus de trous sous les cartes courtes */
.bento { display: block; columns: 3 20rem; column-gap: 1rem; }
.bento > .bento-card { break-inside: avoid; margin: 0 0 1rem; }
.bento > .bento-card[hidden] { display: none !important; }

/* Pied de carte : métadonnées toujours alignées à droite, sur une ligne */
.card-foot { flex-wrap: nowrap; align-items: center; }
.card-foot .badges { min-width: 0; }
.card-actions { margin-left: auto; flex: none; }

/* Badge compteur aligné sur le titre */
.page h2:has(> .count-badge) { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

/* État actif des filtres : discret (style Linear), pas de pastille blanche pleine */
.chip[aria-pressed="true"] { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); box-shadow: inset 0 0 0 1px var(--border-strong); font-weight: 600; }

/* Mobile : l'en-tête ne colle plus (124-150 px = ~18 % de l'écran) ; fil d'Ariane sur une ligne */
@media (max-width: 52rem) {
  .site-header { position: relative; }
  html { scroll-padding-top: 1rem; }
  .breadcrumb ol { flex-wrap: nowrap; overflow: hidden; white-space: nowrap; }
  .breadcrumb li:last-child { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
  .toc { position: static; }
}
/* Mobile : la navigation par thème défile horizontalement au lieu d'empiler 6 lignes */
@media (max-width: 52rem) {
  .jump { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-right: -1rem; padding-right: 1rem; -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
  .jump::-webkit-scrollbar { display: none; }
  .jump a { white-space: nowrap; }
}

/* Longues adresses (citations, URL) : retour à la ligne plutôt que débordement */
.prose p, .prose li, .prose td { overflow-wrap: break-word; }
/* Noms de fichiers et de cookies : casse exacte (sensibles à la casse) */
.mono-badge.code { text-transform: none; letter-spacing: 0; }

/* ==========================================================================
   18. DIRECTION ARTISTIQUE « BIOTECH & LABORATOIRE »
   ========================================================================== */
/* Gram négatif : fuchsia safranine */
:root { --c-neg: #ec4899; --t-neg: #be185d; }
@media screen and (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --t-neg: #f9a8d4; } }
@media screen { :root[data-theme="dark"] { --t-neg: #f9a8d4; } }

/* Micro-illustrations (sprite /assets/morpho.svg) */
.morpho-icon { width: 2.4rem; height: 2.4rem; flex: none; color: var(--accent, var(--c-struct)); overflow: visible; }

/* Signature chromatique et relief des cartes */
.card { isolation: isolate; box-shadow: inset 0 1px 0 var(--tint), var(--shadow-sm); }
.card::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--accent, var(--brand)) 11%, transparent), transparent 58%);
}
.card .card-icon { position: absolute; top: 0.85rem; right: 0.85rem; width: 2.3rem; height: 2.3rem;
  filter: drop-shadow(0 0 10px color-mix(in srgb, var(--accent, var(--brand)) 40%, transparent));
  transition: transform .35s var(--ease); }
.card:hover .card-icon { transform: rotate(-8deg) scale(1.08); }
.card:has(.card-icon) .card-title, .card:has(.card-icon) .card-desc { padding-right: 2.9rem; }
@media (prefers-reduced-motion: reduce) { .card:hover .card-icon { transform: none; } }

/* Bento « cours fondamentaux » hiérarchisé */
.bento-featured { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.9rem; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-flow: dense; }
.bento-featured > li { margin: 0; }
.bento-featured > li.is-hero { grid-column: span 2; grid-row: span 2; }
@media (max-width: 64rem) { .bento-featured { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 40rem) { .bento-featured { grid-template-columns: minmax(0, 1fr); } .bento-featured > li.is-hero { grid-column: auto; grid-row: auto; } }
.is-hero .card { padding: 1.6rem 1.6rem 1.3rem; min-height: 100%; box-shadow: inset 0 1px 0 var(--tint), 0 24px 60px -30px color-mix(in srgb, var(--accent) 70%, transparent); }
.is-hero .card-title { font-size: 1.45rem; line-height: 1.2; max-width: 16ch; }
.is-hero .card-desc { font-size: 0.95rem; max-width: 36ch; }
.is-hero .card-icon { width: 8.5rem; height: 8.5rem; top: auto; bottom: 3.2rem; right: 1.2rem; opacity: 0.95; }
.is-hero .card-kicker { display: inline-flex; margin-bottom: 0.6rem; }
.card-kicker { display: none; font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-text); }

/* Tuiles d'outils (accueil) */
.tools-grid { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); margin-top: 1rem; }
@media (max-width: 56rem) { .tools-grid { grid-template-columns: minmax(0, 1fr); } }
.tool-tile { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: center; padding: 1.4rem 1.5rem;
  border: 1px solid var(--border); border-radius: 16px; background-color: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; isolation: isolate; font-family: var(--font-ui); }
.tool-tile::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(100% 120% at 100% 50%, color-mix(in srgb, var(--accent, var(--c-struct)) 14%, transparent), transparent 60%); }
.tool-tile h3 { margin: 0.2rem 0 0.4rem; font-size: 1.15rem; }
.tool-tile p { margin: 0 0 0.9rem; color: var(--text-muted); font-size: 0.92rem; }
.tool-tile .morpho-icon { width: 5.5rem; height: 5.5rem; }

/* En-tête illustré des cours */
.course-header { position: relative; }
.course-art { position: absolute; top: 0.2rem; right: 0; width: 6.5rem; height: 6.5rem; opacity: 0.9;
  filter: drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 45%, transparent)); pointer-events: none; }
@media (min-width: 40rem) { .course-header:has(.course-art) h1 { padding-right: 7rem; } }
@media (max-width: 39.99rem) { .course-art { width: 3.6rem; height: 3.6rem; top: -0.2rem; opacity: 0.6; } }

/* ==========================================================================
   19. RÉVISION ACTIVE (cours)
   ========================================================================== */
.read-progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; pointer-events: none; }
.read-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--c-struct), var(--accent, var(--c-pos))); box-shadow: 0 0 10px var(--accent, var(--c-struct)); }

.study-dock {
  position: fixed; left: 50%; bottom: 1rem; z-index: 55; display: flex; align-items: center; gap: 0.3rem; padding: 0.35rem;
  border: 1px solid var(--border-strong); border-radius: 14px; background: var(--surface-glass);
  -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--tint); font: 500 0.8rem var(--font-ui);
  transform: translate(-50%, 160%); transition: transform .4s var(--ease); max-width: calc(100vw - 1.5rem);
}
.study-dock.is-visible { transform: translate(-50%, 0); }
.dock-time { padding: 0 0.6rem; color: var(--text-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.dock-sep { width: 1px; align-self: stretch; background: var(--border); margin: 0.15rem 0.1rem; }
.dock-btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.42rem 0.65rem; border: 1px solid transparent; border-radius: 9px;
  background: transparent; color: var(--text); font: inherit; cursor: pointer; white-space: nowrap; transition: background-color .15s var(--ease), border-color .15s var(--ease); }
.dock-btn:hover { background: var(--tint); }
.dock-btn[aria-pressed="true"] { background: color-mix(in srgb, var(--accent, var(--c-struct)) 14%, transparent); border-color: color-mix(in srgb, var(--accent, var(--c-struct)) 40%, transparent); color: var(--accent-text, var(--text)); }
.dock-btn kbd { font-family: var(--font-mono); font-size: 0.66rem; padding: 0 4px; border: 1px solid var(--border-strong); border-radius: 4px; color: var(--text-muted); }
@media (max-width: 40rem) {
  .study-dock { left: 0.5rem; right: 0.5rem; bottom: 0.5rem; transform: translateY(160%); justify-content: space-between; }
  .study-dock.is-visible { transform: none; }
  .dock-btn kbd, .dock-label { display: none; }
}

/* Mode Révision express : synthèse, points clés, tableaux et mises en garde uniquement */
.express-banner { display: none; }
body.mode-express .express-banner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 0 0 1rem; padding: 0.6rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--c-atb) 40%, transparent); border-radius: 10px; background: color-mix(in srgb, var(--c-atb) 8%, transparent); font: 600 0.85rem var(--font-ui); color: var(--t-atb); }
body.mode-express .course-body > section:not(.exam-box):not(:has(.table-wrap, .callout-warning)),
body.mode-express .course-body > section:not(.exam-box) > :not(h2):not(.table-wrap):not(.callout-warning),
body.mode-express .eeat, body.mode-express .references, body.mode-express .course .meta { display: none !important; }

/* Mode cache-cache (rappel actif) */
body.mode-recall .course-body td, body.mode-recall .exam-box li, body.mode-recall .tldr li {
  filter: blur(6px); cursor: pointer; user-select: none; transition: filter .25s var(--ease);
}
body.mode-recall .course-body td.revealed, body.mode-recall .exam-box li.revealed, body.mode-recall .tldr li.revealed { filter: none; user-select: auto; }
body.mode-recall .course-body td:focus-visible, body.mode-recall li:focus-visible { outline: 2px solid var(--c-struct); }

/* Statut d'étude (segmenté) */
.seg { display: inline-flex; padding: 2px; border: 1px solid var(--border); border-radius: 10px; background: var(--tint); gap: 2px; font: 500 0.8rem var(--font-ui); }
.seg button { padding: 0.35rem 0.7rem; border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); font: inherit; cursor: pointer; white-space: nowrap; }
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] { color: var(--text); background: var(--surface); box-shadow: var(--shadow-sm), inset 0 0 0 1px color-mix(in srgb, var(--st, var(--c-struct)) 55%, transparent); }
.st-revoir { --st: var(--c-atb); } .st-encours { --st: var(--c-struct); } .st-maitrisee { --st: var(--c-gen); }
.st-dot { display: inline-block; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--st); box-shadow: 0 0 8px var(--st); flex: none; }

/* Module d'entraînement (flashcards et quiz), généré dans le navigateur */
.practice { margin-top: 3rem; padding: 1.4rem 1.4rem 1.2rem; border-radius: 16px; border: 1.5px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, var(--c-gen), var(--c-struct) 50%, var(--c-pos)) border-box;
  box-shadow: 0 20px 50px -30px color-mix(in srgb, var(--c-struct) 60%, transparent); font-family: var(--font-ui); }
.course .practice h2 { margin: 0 0 0.4rem; padding: 0; border: 0; color: var(--text); font-size: 1.2rem; }
.practice-intro { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 1rem; }
.tabs { display: inline-flex; gap: 2px; padding: 2px; border: 1px solid var(--border); border-radius: 10px; background: var(--tint); margin-bottom: 1rem; }
.tabs [role="tab"] { padding: 0.4rem 0.85rem; border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); font: 600 0.82rem var(--font-ui); cursor: pointer; }
.tabs [role="tab"][aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.fc-stage { perspective: 1400px; }
.fc-card { position: relative; min-height: 12.5rem; transform-style: preserve-3d; transition: transform .55s var(--ease); cursor: pointer; }
.fc-card.is-flipped { transform: rotateY(180deg); }
.fc-face { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 0.6rem; padding: 1.3rem 1.4rem;
  border: 1px solid var(--border); border-radius: 14px; background: var(--surface-2); -webkit-backface-visibility: hidden; backface-visibility: hidden; overflow: auto; }
.fc-back { transform: rotateY(180deg); background: color-mix(in srgb, var(--c-gen) 8%, var(--surface)); border-color: color-mix(in srgb, var(--c-gen) 35%, transparent); }
.fc-label { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.fc-text { font-family: var(--font-text); font-size: 1.05rem; line-height: 1.5; color: var(--text); }
.cloze { display: inline-block; min-width: 4.5rem; border-bottom: 2px solid var(--c-struct); color: transparent; }
@media (prefers-reduced-motion: reduce) { .fc-card { transition: none; } }
.practice-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: space-between; margin-top: 0.9rem; }
.practice-count { font-size: 0.8rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.qz-q { font-family: var(--font-text); font-size: 1.05rem; margin: 0 0 0.8rem; }
.qz-ctx { display: block; font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.35rem; }
.qz-options { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.qz-opt { text-align: left; padding: 0.7rem 0.9rem; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); font: 500 0.9rem var(--font-ui); cursor: pointer; transition: border-color .15s var(--ease), background-color .15s var(--ease); }
.qz-opt:hover:not(:disabled) { border-color: var(--border-strong); background: var(--tint); }
.qz-opt.is-correct { border-color: var(--res-s); background: color-mix(in srgb, var(--res-s) 10%, transparent); }
.qz-opt.is-wrong { border-color: var(--res-r); background: color-mix(in srgb, var(--res-r) 10%, transparent); }
.qz-score { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.practice-status { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-muted); }

/* ==========================================================================
   20. PROGRESSION ÉTUDIANTE (localStorage)
   ========================================================================== */
.progress-panel { margin: 1.25rem 0 0; padding: 1rem 1.15rem; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-sm); font-family: var(--font-ui); }
.progress-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.5rem 1rem; }
.progress-title { margin: 0; font-size: 0.95rem; font-weight: 600; }
.progress-title strong { font-variant-numeric: tabular-nums; }
.pbar { display: flex; height: 8px; margin: 0.7rem 0; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.pbar span { height: 100%; transition: width .6s var(--ease); }
.pbar .p-maitrisee { background: var(--c-gen); } .pbar .p-encours { background: var(--c-struct); } .pbar .p-revoir { background: var(--c-atb); }
.progress-legend { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.progress-legend .chip { display: inline-flex; align-items: center; gap: 0.4rem; }
.progress-tools { display: inline-flex; gap: 0.4rem; }
.progress-tools .btn { padding: 0.35rem 0.6rem; font-size: 0.78rem; }
.card .st-dot, .cmd-row .st-dot { margin-left: 0.15rem; }

/* Aide raccourcis clavier */
.kbd-help { width: min(28rem, calc(100vw - 2rem)); padding: 1.2rem 1.3rem; border: 1px solid var(--border-strong); border-radius: 14px; background: var(--surface); color: var(--text); box-shadow: 0 30px 80px -20px rgba(2, 6, 23, 0.55); font-family: var(--font-ui); }
.kbd-help::backdrop { background: rgba(2, 6, 23, 0.45); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.kbd-help h2 { margin: 0 0 0.8rem; font-size: 1rem; padding: 0; border: 0; }
.kbd-help dl { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; margin: 0; font-size: 0.88rem; }
.kbd-help dd { margin: 0; color: var(--text-muted); }

/* ==========================================================================
   21. BANC D'IDENTIFICATION
   ========================================================================== */
.idb-tabs { margin-top: 1.5rem; }
.idb { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); margin-top: 0.5rem; }
@media (min-width: 60rem) { .idb { grid-template-columns: 22rem minmax(0, 1fr); align-items: start; } .idb-steps { position: sticky; top: calc(var(--header-h) + 1rem); } }
.idb-steps { display: grid; gap: 0.75rem; font-family: var(--font-ui); }
.idb-step { padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-sm); }
.idb-step-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; }
.idb-num { display: inline-grid; place-items: center; width: 1.45rem; height: 1.45rem; border-radius: 50%; font: 700 0.72rem var(--font-mono); background: var(--surface-2); color: var(--text-muted); border: 1px solid var(--border); }
.idb-step.is-set .idb-num { background: var(--c-struct); color: #04131a; border-color: transparent; }
.idb-step h3 { margin: 0; font-size: 0.9rem; flex: 1; }
.idb-choices { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.idb-summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.9rem; font-family: var(--font-ui); }
.idb-count { font-size: 2rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.idb-count small { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0; }
.idb-note { font-size: 0.82rem; color: var(--text-muted); margin: 0.6rem 0 0; }
.unknown { color: var(--text-muted); font-style: italic; }
.duel-pick { display: grid; gap: 0.75rem; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: end; margin: 1rem 0; font-family: var(--font-ui); }
@media (max-width: 40rem) { .duel-pick { grid-template-columns: minmax(0, 1fr); } }
.duel-pick label { display: grid; gap: 0.3rem; font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }
.duel-pick select { font: 500 0.95rem var(--font-ui); padding: 0.6rem 0.7rem; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--surface); color: var(--text); }
.duel-vs { font: 700 0.9rem var(--font-mono); color: var(--text-muted); padding-bottom: 0.7rem; text-align: center; }
.duel-presets { display: flex; flex-wrap: wrap; gap: 0.4rem; font-family: var(--font-ui); }
tr.is-diff th, tr.is-diff td { background: color-mix(in srgb, var(--c-atb) 7%, transparent); }
tr.is-diff th::after { content: " ≠"; color: var(--t-atb); font-family: var(--font-mono); }

@media print {
  .read-progress, .study-dock, .practice, .express-banner, .course-art, .progress-panel, .kbd-help { display: none !important; }
  body.mode-recall .course-body td, body.mode-recall li { filter: none !important; }
}

@media (max-width: 40rem) { .dock-st { display: none !important; } }

a.tool-tile { color: inherit; text-decoration: none; }
a.tool-tile:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }

/* Correctifs de rendu (audit visuel) */
.course-body .exam-box .key-points ul { padding-left: 0; }
.course-body .exam-box .key-points ul > li { padding-left: 1.5rem; }
.course-body .exam-box .key-points ul > li::before { content: "✓"; left: 0; top: 0; width: auto; height: auto; border-radius: 0; background: none; opacity: 1; font-family: var(--font-ui); font-weight: 700; color: var(--t-gen); }
a.dock-btn { text-decoration: none; }
.dock-btn svg { flex: none; }
.btn-primary .mono-badge { color: inherit; border-color: currentColor; background: transparent; opacity: 0.85; }
body:has(.study-dock) .site-footer { padding-bottom: 4.5rem; }
/* ==========================================================================
   À COLLER À LA FIN de public/assets/site.css (puis supprimer ce fichier).
   Temps de lecture dans le sommaire (upgrade-all-pages.mjs) et cours connexes
   (enhance-courses.mjs). Les cartes réutilisent .card-grid / .card existants.
   ========================================================================== */
.toc-time { font-weight: 400; color: var(--text-muted); white-space: nowrap; }
.related { margin-top: 2.5rem; }
@media print { .related { display: none !important; } }
/* ==========================================================================
   À COLLER À LA FIN de public/assets/site.css (puis supprimer ce fichier).
   Temps de lecture dans le sommaire (upgrade-all-pages.mjs) et cours connexes
   (enhance-courses.mjs). Les cartes réutilisent .card-grid / .card existants.
   ========================================================================== */
.toc-time { font-weight: 400; color: var(--text-muted); white-space: nowrap; }
.related { margin-top: 2.5rem; }
@media print { .related { display: none !important; } }
/* Phrase de renvoi de dernier recours (enhance-courses.mjs) */
.course-crossref { color: var(--text-muted); }
/* Les styles des schémas interactifs sont dans /assets/schema.css, chargé uniquement sur les fiches concernées. */
/* Logo de l'en-tête : même dessin que /favicon.svg, couleurs de la charte (clair / sombre / bascule site.js) */
.brand-mark .bm-tile { fill: #0f4c81; }
.brand-mark .bm-ring { fill: none; stroke: #ffffff; }
.brand-mark .bm-pos { fill: #cfa6ec; }
.brand-mark .bm-neg { fill: #f2a2c0; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-mark .bm-tile { fill: #1c2a3a; }
  :root:not([data-theme="light"]) .brand-mark .bm-ring { stroke: #8bb8e8; }
}
:root[data-theme="dark"] .brand-mark .bm-tile { fill: #1c2a3a; }
:root[data-theme="dark"] .brand-mark .bm-ring { stroke: #8bb8e8; }