/* ============================================================
   Antoine Géré — feuille de style commune (style éditorial)
   ============================================================ */
:root{
  --paper:#e9f1f3;--ink:#16272c;--muted:#557079;--line:#cfe0e3;
  --accent:#1f6f8b;--accent-soft:#dcebee;--code-bg:#e0edef;--card:#f4fafb;
}
html[data-theme="dark"]{
  --paper:#111a1d;--ink:#dbe7ea;--muted:#89a0a7;--line:#26343a;
  --accent:#5fb4cf;--accent-soft:#182a30;--code-bg:#152227;--card:#16242a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:'Spectral',Georgia,serif;font-size:18px;line-height:1.7;
  -webkit-font-smoothing:antialiased;transition:background .3s,color .3s;}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s}
a:hover{border-color:var(--accent)}
.layout{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:250px 1fr;gap:56px;padding:0 32px}

/* Sidebar */
aside{position:sticky;top:0;align-self:start;height:100vh;display:flex;flex-direction:column;padding:52px 0 40px;overflow-y:auto}
.back{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:0;margin-bottom:24px}
.back:hover{color:var(--accent)}
.brand-row{display:flex;align-items:center;gap:18px;margin:0 0 6px}
.brand-link{display:flex;align-items:center;gap:18px;border:0;color:inherit;text-decoration:none}
.brand-link:hover{border:0}
.brand-link:hover .brand{color:var(--accent)}
.brand{font-weight:600;font-size:1.9rem;line-height:1.1;letter-spacing:-.01em;margin:0}
.brand.sm{font-size:1.5rem}
.globe{color:var(--ink);width:52px;height:52px;flex:none}
.globe canvas{display:block;width:100%;height:100%}
.role{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 30px}
nav{display:flex;flex-direction:column;gap:1px;margin-bottom:auto}
nav a{font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.03em;color:var(--muted);border:0;padding:5px 0;display:flex;align-items:baseline;gap:10px}
nav a.sub{padding-left:14px;font-size:.74rem;opacity:.85}
nav a .n{color:var(--accent);opacity:.7}
nav a:hover{color:var(--ink)}
nav a.active{color:var(--accent)}
.nav-toggle{display:none}
.side-contact{font-family:'IBM Plex Mono',monospace;font-size:.75rem;line-height:2;color:var(--muted);margin-top:26px}
.side-contact a{border:0;color:var(--muted)}
.side-contact a:hover{color:var(--accent)}

/* Main */
main{padding:52px 0 90px;max-width:720px;min-width:0}
.page-title{font-weight:600;font-size:2.3rem;letter-spacing:-.02em;margin:0 0 8px;line-height:1.12}
.teacher{font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--muted);margin:0 0 32px}
.teacher a{color:var(--muted)}.teacher a:hover{color:var(--accent)}
.meta{display:flex;flex-wrap:wrap;gap:26px;margin:0 0 12px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.meta .blk .lbl{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:3px}
.meta .blk .val{font-size:.92rem}
.meta a{color:var(--ink)}.meta a:hover{color:var(--accent)}

h2{font-family:'IBM Plex Mono',monospace;font-size:.8rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:52px 0 18px;padding-bottom:10px;border-bottom:1px solid var(--line);scroll-margin-top:24px}
h2 a{color:var(--accent);border:0}
h3{font-weight:600;font-size:1.25rem;margin:38px 0 12px;scroll-margin-top:24px}
h4{font-weight:600;font-size:1.05rem;color:var(--muted);margin:28px 0 10px;scroll-margin-top:24px}
p{margin:0 0 16px}
strong{font-weight:600}
.muted{color:var(--muted)}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin:6px 0}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
code{font-family:'IBM Plex Mono',monospace;font-size:.82em;background:var(--code-bg);padding:1px 5px;border-radius:4px}
iframe{max-width:100%;border:1px solid var(--line);border-radius:10px}

/* Quotes */
blockquote{margin:28px 0;padding:2px 0 2px 22px;border-left:2px solid var(--accent);font-style:italic;color:var(--muted);font-size:1.02rem;line-height:1.6}
blockquote cite,blockquote .cite{display:block;font-family:'IBM Plex Mono',monospace;font-style:normal;font-size:.75rem;margin-top:10px}

/* Hero quote (index) */
.hero-quote{font-size:1.05rem;line-height:1.6;font-style:italic;color:var(--muted);margin:0 0 10px;border-left:2px solid var(--accent);padding-left:22px}
.hero-quote + .cite{font-family:'IBM Plex Mono',monospace;font-style:normal;font-size:.78rem;color:var(--muted);padding-left:24px;display:block;margin-bottom:44px}

/* Code blocks */
pre{position:relative;background:var(--code-bg);border:1px solid var(--line);border-radius:10px;padding:16px 18px;overflow-x:auto;margin:16px 0;font-size:.8rem;line-height:1.55}
.copy-btn{position:absolute;top:8px;right:8px;font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.03em;padding:3px 9px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--muted);cursor:pointer;opacity:0;transition:opacity .15s,color .15s,border-color .15s}
pre:hover .copy-btn,.copy-btn:focus-visible{opacity:1}
.copy-btn:hover{border-color:var(--accent);color:var(--accent)}
.copy-btn.ok{color:var(--accent);border-color:var(--accent);opacity:1}
pre code{background:none;padding:0;font-size:inherit;color:var(--ink)}
pre.out{border-style:dashed;color:var(--muted)}

/* Callouts */
.callout{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;padding:14px 20px;margin:20px 0;font-size:.94rem}
.callout .ctitle{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:6px}
.callout p:last-child{margin-bottom:0}

/* Figures */
figure{margin:22px 0;text-align:center}
figure img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
figure.logo img{max-width:220px;border:0;background:none}
figcaption{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--muted);margin-top:10px}
figcaption a{color:var(--muted)}
.figrow{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.figrow img{max-width:150px;border:0;background:none}

/* Course cards (index) */
.courses{list-style:none;padding:0;margin:20px 0 0}
.courses li{border-bottom:1px solid var(--line)}
.courses a{display:flex;justify-content:space-between;align-items:baseline;padding:14px 4px;border:0;color:var(--ink)}
.courses a:hover{color:var(--accent)}
.courses .idx{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--muted)}
.courses a:hover .idx{color:var(--accent)}

/* Tables */
.table-wrap{overflow-x:auto;margin:18px 0}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-weight:500}
table code{font-size:.9em}
table.center td,table.center th{text-align:center}
table.center td:first-child,table.center th:first-child{text-align:left;font-weight:500}
table.center tbody tr:last-child td{border-bottom:2px solid var(--line);font-weight:600}
.num td:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}

/* Chapter list (matieres) */
ol.chapters{list-style:none;counter-reset:ch;padding:0;margin:20px 0 0}
ol.chapters>li{counter-increment:ch;position:relative;padding:0 0 20px 44px;margin-bottom:20px;border-bottom:1px solid var(--line)}
ol.chapters>li:last-child{border-bottom:0}
ol.chapters>li::before{content:counter(ch,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--accent)}
ol.chapters .title{font-weight:600;font-size:1.08rem}
ol.chapters .desc{color:var(--muted);font-size:.95rem;margin:6px 0 0}
ol.chapters .td-link{font-family:'IBM Plex Mono',monospace;font-size:.75rem;display:inline-block;margin-top:6px}

/* Indexed lists (groups, exams, corrections) */
.idxlist{list-style:none;padding:0;margin:16px 0}
.idxlist li{padding:9px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:baseline}
.idxlist li:last-child{border-bottom:0}
.idxlist .tag{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--accent);white-space:nowrap;min-width:66px}
.idxlist .pdesc{margin:4px 0 0;font-size:.9rem;color:var(--muted);line-height:1.5}
.idxlist .tl-title{font-weight:600;font-size:1rem}
.idxlist .ptitle{font-weight:600;color:var(--ink)}
.stepdate{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--accent);margin:0 0 12px}
.filiere-svg{max-width:440px;width:100%;height:auto;border:0;background:none}

/* Flipbook — couche de liens cliquables superposée */
#flip{position:relative}
/* Mode défilement (mobile) : pages empilées, pleine largeur, liens cliquables */
#flip.pf-scroll{display:flex;flex-direction:column;gap:14px;position:static}
.pf-page{position:relative}
.pf-page-img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
.pf-ll-scroll{position:absolute;inset:0;pointer-events:none}
.pf-ll-scroll a{position:absolute;pointer-events:auto;border-radius:2px}
.pf-ll-scroll a:active{background:rgba(31,111,139,.20);outline:1px solid var(--accent)}
.pf-page{scroll-margin-top:12px}
.pf-overlay{position:absolute;left:0;top:0;pointer-events:none;z-index:40}
.pf-overlay a{position:absolute;pointer-events:auto;border-radius:2px}
.pf-overlay a:hover{background:rgba(31,111,139,.16);outline:1px solid var(--accent)}

/* Fiches (aide-mémoire tests R) */
.fam{font-family:'IBM Plex Mono',monospace;font-size:.66rem;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin:34px 0 -2px}
.fiche{border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:14px 0;background:var(--card)}
.fiche-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.fiche-head .ft{font-weight:600;font-size:1.05rem}
.fiche-fn{font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--accent)}
.fiche-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 22px;margin-top:12px;font-size:.92rem}
.fiche-grid.one{grid-template-columns:1fr}
.flabel{font-family:'IBM Plex Mono',monospace;font-size:.62rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:2px;display:block}
.fiche .fx{margin:12px 0 0}
.fiche pre{margin:6px 0 0}
.tag-np,.tag-p{font-family:'IBM Plex Mono',monospace;font-size:.6rem;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:20px;vertical-align:middle;margin-left:8px}
.tag-p{background:var(--accent-soft);color:var(--accent)}
.tag-np{background:transparent;border:1px solid var(--line);color:var(--muted)}
@media(max-width:640px){.fiche-grid{grid-template-columns:1fr}}

/* Groups list (projects/PASD) */
.groups{list-style:none;padding:0;margin:16px 0}
.groups li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:baseline}
.groups li:last-child{border-bottom:0}
.groups .g{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--accent);white-space:nowrap;min-width:64px}

/* PDF pill grid (corrections) */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.pills a{font-family:'IBM Plex Mono',monospace;font-size:.78rem;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink)}
.pills a:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}

/* Resource cards (grouped) */
.res-group{margin:26px 0 0}
.res-group>.grp-label{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:500}
.res-cards{display:grid;gap:10px}
.res-card{display:block;padding:15px 18px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);transition:border-color .15s,transform .15s,background .15s}
.res-card:hover{border-color:var(--accent);transform:translateX(3px);background:var(--accent-soft)}
.res-card .rc-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.res-card .rc-title{font-weight:600;font-size:1.02rem}
.res-card .rc-flag{font-family:'IBM Plex Mono',monospace;font-size:.72rem;white-space:nowrap;opacity:.75}
.res-card .rc-desc{color:var(--muted);font-size:.88rem;margin:3px 0 0;line-height:1.5}
.res-card .rc-desc a{font-weight:500}

.end{margin-top:60px;padding-top:24px;border-top:1px solid var(--line);font-style:italic;color:var(--muted);font-size:.9rem}

/* Theme toggle */
.toggle{position:fixed;top:22px;right:22px;z-index:10;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center}
.toggle:hover{border-color:var(--accent);color:var(--accent)}

/* ---- Responsive / mobile ---- */
@media(max-width:860px){
  /* Une seule colonne ; `aside` en display:contents pour pouvoir réordonner
     ses enfants, et placer le bloc contact tout en bas de la page.
     `body .layout` bat aussi les styles locaux des pages flipbook. */
  .layout, body .layout{display:flex;flex-direction:column;gap:0;max-width:100%;padding:24px 20px 0}
  aside{display:contents}
  main{order:1;padding:6px 0 44px;max-width:100%}
  .role{margin-bottom:16px}
  .side-quote{margin:14px 0 0 !important}
  .side-quote:last-of-type{margin-bottom:30px !important}   /* espace sous la dernière citation, comme au-dessus de la première */
  .side-contact{order:2;margin:0;padding:22px 0 26px;border-top:1px solid var(--line)}
  /* Navigation repliable derrière un bouton, placé à côté du nom */
  .brand-row{justify-content:space-between}
  .nav-toggle{display:inline-flex;align-items:center;gap:8px;margin:0 46px 0 0;padding:9px 14px;flex:none;
    font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;
    color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;cursor:pointer}
  .nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
  /* navigation masquée UNIQUEMENT si le bouton a été injecté (fail-safe cache) */
  .has-navmenu nav{display:none}
  .has-navmenu nav.open{display:flex;flex-direction:column;gap:1px;margin:10px 0 0;padding:8px 14px;
    background:var(--card);border:1px solid var(--line);border-radius:8px}
  .has-navmenu nav.open a{padding:8px 0}
  .has-navmenu nav.open a.sub{padding-left:14px}
  .page-title{font-size:1.95rem}
  .brand{font-size:1.6rem}
  .brand.sm{font-size:1.35rem}
  .globe{width:44px;height:44px}
  h2{margin:40px 0 16px}
  h3{margin:30px 0 10px}
  /* cartes ressources : titre au-dessus du badge (évite le titre coincé) */
  .res-card .rc-top{flex-direction:column;align-items:flex-start;gap:4px}
  .res-card .rc-flag{white-space:normal}
  /* flipbook : livre pleine largeur, en-tête plus compact */
  .book-wrap{width:100%}
  .book-top .page-title{font-size:1.25rem}
  .book-controls{gap:12px}
}
@media(max-width:480px){
  body{font-size:17px}
  .layout, body .layout{padding:20px 14px 0}
  .page-title{font-size:1.6rem}
  .brand{font-size:1.45rem}
  .hero-quote{padding-left:16px}
  .hero-quote + .cite{padding-left:16px}
  blockquote{padding-left:16px}
  pre{font-size:.74rem;padding:14px}
  .callout{padding:12px 16px}
  .fiche{padding:14px 16px}
  .toggle{top:14px;right:14px;width:34px;height:34px}
  nav a{font-size:.82rem}
}