:root{
  /* Charte Charlie — clair par défaut : violet #6C3CFF (actions) + violet clair + ambre (XP) */
  --bg:#ffffff; --panel:#f6f7fb; --panel-2:#efeaff; --line:#e7e2f7;
  --text:#1e1b2e; --muted:#6b6784; --brand:#6c3cff; --brand-2:#8b5cf6;
  --mint:#a78bfa; --gold:#f59e0b; --accent:#6c3cff; --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --radius:24px; --radius-sm:14px; --mw:1080px;
  --font-display:'Poppins', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body:'Nunito', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:ui-monospace, "Cascadia Code", Consolas, monospace;
  --shadow:0 20px 45px -22px rgba(108,60,255,.28);
  --glow:0 0 0 1px rgba(108,60,255,.30), 0 12px 32px -10px rgba(139,92,246,.40);
  --well:#f2f0fb;                /* fond « inset » : textarea, code, réponse */
  --glass:rgba(255,255,255,.82); /* barres translucides (topbar, bottom-nav) */
  --term-bg:linear-gradient(180deg,#2a2540,#1e1b2e); /* terminal : sombre dans les 2 thèmes */
  --btn-fg:#ffffff;
  font-synthesis:none;
}

/* ===== Thème sombre (optionnel) ===== */
[data-theme="dark"]{
  --bg:#0d0d14; --panel:#1e1b2e; --panel-2:#2a2540; --line:#352f4d;
  --text:#f6f7fb; --muted:#a29dbf; --brand:#8b6bff; --brand-2:#a78bfa;
  --mint:#a78bfa; --gold:#fbbf24; --accent:#a78bfa; --ok:#34d399; --warn:#fbbf24; --err:#f87171;
  --shadow:0 20px 45px -18px rgba(0,0,0,.6);
  --glow:0 0 0 1px rgba(139,107,255,.40), 0 12px 34px -8px rgba(167,139,250,.40);
  --well:#15121f; --glass:rgba(13,13,20,.82);
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(820px 460px at 88% -10%, rgba(139,92,246,.10), transparent 60%),
    radial-gradient(900px 520px at 4% -4%, rgba(187,166,255,.08), transparent 55%),
    var(--bg);
  color:var(--text);
  font:16px/1.6 var(--font-body);
  min-height:100vh; display:flex; flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
[data-theme="dark"] body{
  background:
    radial-gradient(820px 460px at 88% -10%, rgba(139,107,255,.14), transparent 60%),
    radial-gradient(900px 520px at 4% -4%, rgba(187,166,255,.08), transparent 55%),
    var(--bg);
}
h1,h2,h3,.brand,.num,.stat .big,.lp-stat b,.card .num,.rank-name strong{font-family:var(--font-display)}

/* Plancher qualité : focus clavier visible + mouvement réduit */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,
summary:focus-visible,.card:focus-visible{
  outline:2px solid var(--brand); outline-offset:2px; border-radius:6px;
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; scroll-behavior:auto !important}
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%; max-width:var(--mw); margin:0 auto; padding:28px 20px; flex:1}

/* Topbar */
.topbar{
  display:flex; align-items:center; gap:16px; padding:11px 20px;
  background:var(--glass); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line); position:sticky; top:0; z-index:30;
}
.brand{display:flex; align-items:center; gap:3px; font-weight:800; font-size:20px; color:var(--text)}
.brand:hover{text-decoration:none}
.logo{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:var(--btn-fg); border-radius:9px; padding:2px 8px; font-weight:900}
.brand-text{letter-spacing:.5px}
.brand-word{font-family:var(--font-display); font-weight:800; font-size:22px; letter-spacing:-.6px; color:var(--text)}
.brand-word::first-letter{color:var(--brand)}
.brand-sp{color:var(--brand); font-size:.62em; font-weight:700; margin-left:1px; vertical-align:top; line-height:1}
.side-brand .brand-word{font-size:21px}
.menu{display:flex; align-items:center; gap:16px; flex:1}
.nav{display:flex; gap:6px; margin-left:6px}
.nav a{color:var(--muted); font-weight:600; padding:6px 10px; border-radius:8px}
.nav a:hover{color:var(--text); text-decoration:none; background:var(--panel-2)}
.nav-right{margin-left:auto; display:flex; align-items:center; gap:12px}
.who{color:var(--muted); font-size:14px}
.who:hover{color:var(--text)}
.rank-chip{display:flex; align-items:center; gap:6px; padding:4px 11px; border:1px solid var(--line);
  border-radius:999px; background:var(--panel); font-size:12px; line-height:1.2}
.rank-chip:hover{text-decoration:none; border-color:var(--brand)}
.rank-chip .rc-ico{font-size:14px}
.rank-chip .rc-rank{font-weight:700; color:var(--text)}
.rank-chip .rc-xp{color:var(--gold); font-weight:700}
.rank-chip--mobile{display:none; margin-left:auto}
.lang-select{
  appearance:none; -webkit-appearance:none;
  background:var(--panel) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238b96b6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 9px center;
  color:var(--text); border:1px solid var(--line); border-radius:9px;
  padding:6px 26px 6px 11px; font:700 12px/1 var(--font-body); cursor:pointer;
}
.lang-select:hover{border-color:var(--brand)}
.lang-select option{background:var(--panel); color:var(--text)}

/* Harmonisation des contrôles du header : même hauteur, même rayon, même rythme */
.nav-right{gap:10px}
.topbar .btn{height:34px; padding:0 15px; font-size:14px; border-radius:9px}
.theme-btn{height:34px; width:34px; border-radius:9px}
.lang-select{height:34px; padding:0 28px 0 11px}
.rank-chip{height:34px; padding:0 11px; border-radius:9px; font-size:12px}
.who{display:inline-flex; align-items:center; height:34px; padding:0 2px}
.theme-btn{display:inline-flex; align-items:center; justify-content:center; width:36px; height:34px; padding:0;
  background:var(--panel); border:1px solid var(--line); border-radius:9px; cursor:pointer; font-size:15px; line-height:1}
.theme-btn:hover{border-color:var(--brand)}
.theme-btn .th-sun{display:none}   /* défaut clair : on propose la lune */
[data-theme="dark"] .theme-btn .th-moon{display:none}
[data-theme="dark"] .theme-btn .th-sun{display:inline}
/* Hamburger */
.nav-toggle{display:none; flex-direction:column; justify-content:center; gap:5px; width:40px; height:36px;
  background:var(--panel); border:1px solid var(--line); border-radius:9px; cursor:pointer; padding:0 9px}
.nav-toggle span{display:block; height:2px; background:var(--text); border-radius:2px; transition:.2s}
[data-header].open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
[data-header].open .nav-toggle span:nth-child(2){opacity:0}
[data-header].open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:760px){
  .rank-chip--mobile{display:flex}
  .menu{
    position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch; gap:14px;
    background:var(--bg); border-bottom:1px solid var(--line); box-shadow:var(--shadow);
    padding:16px 20px; display:none;
  }
  [data-header].open .menu{display:flex}
  .menu .nav{display:none}   /* navigation primaire = barre du bas */
  .nav-right{margin:0; flex-wrap:wrap; gap:12px}
  .rank-chip .rc-rank{display:inline}
  body{padding-bottom:72px}   /* place pour la barre du bas */
}

/* Barre de navigation mobile (sticky bottom) */
.bottom-nav{display:none}
@media(max-width:760px){
  .nav-toggle{display:none}   /* remplacée par l'onglet « Menu » du bas */
  .bottom-nav{
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:40;
    background:var(--glass); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
    transition:transform .28s ease;
  }
  .bottom-nav.bn-hidden{transform:translateY(115%)}
  .bn-item:active{transform:scale(.9)}
  .bn-item{
    flex:1 1 0; min-width:0; display:flex; flex-direction:column; align-items:center; gap:3px;
    padding:6px 2px; color:var(--muted); font:600 11px/1.1 var(--font-body);
    background:none; border:0; cursor:pointer; text-decoration:none; transition:color .15s;
  }
  .bn-item span{max-width:100%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
  .bn-item svg{width:23px; height:23px}
  .bn-item:hover{color:var(--text); text-decoration:none}
  .bn-item.active{color:var(--brand)}
  .bn-item.active svg{filter:drop-shadow(0 0 6px rgba(123,116,255,.5))}
  [data-header].open .bottom-nav [data-nav-toggle]{color:var(--brand)}
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:8px; background:linear-gradient(90deg,var(--brand),var(--brand-2));
  color:var(--btn-fg); font-weight:700; padding:11px 20px; border-radius:14px; border:0; cursor:pointer; font-size:15px;
  transition:.15s transform,.15s box-shadow;
}
.btn:hover{text-decoration:none; transform:translateY(-1px); box-shadow:var(--glow)}
.btn-ghost{background:var(--panel); color:var(--brand); border:2px solid var(--brand); padding:10px 19px}
.btn-ghost:hover{background:var(--panel-2); box-shadow:none}
.btn-lg{padding:13px 24px; font-size:16px}
.btn-sm{padding:5px 11px; font-size:13px}
.btn:disabled{opacity:.55; cursor:not-allowed; transform:none; box-shadow:none}

/* Hero */
.hero{padding:46px 0 26px}
.hero h1{font-size:44px; line-height:1.08; margin:0 0 16px; letter-spacing:-.5px}
.hero p{font-size:19px; color:var(--muted); max-width:640px; margin:0 0 24px}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap}
.pill{display:inline-flex; align-items:center; gap:7px; padding:5px 13px; border:1px solid var(--line);
  border-radius:999px; color:var(--muted); font-size:13px; margin-bottom:18px; background:var(--panel)}
.pill .dot{width:7px; height:7px; border-radius:50%; background:var(--ok); box-shadow:0 0 8px var(--ok)}

/* Cards / grid */
.section-title{font-size:14px; text-transform:uppercase; letter-spacing:1px; color:var(--muted); margin:30px 0 12px}
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:16px}
.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; display:block; color:var(--text); transition:.15s border-color, .15s transform;
}
a.card:hover{text-decoration:none; border-color:var(--brand); transform:translateY(-2px)}
.card .num{font-size:13px; color:var(--brand); font-weight:800; letter-spacing:.5px}
.card h3{margin:6px 0 6px; font-size:18px}
.card .lvl{font-size:12px; color:var(--muted)}
.card .meta{display:flex; justify-content:space-between; align-items:center; margin-top:14px}
.badge{font-size:12px; font-weight:700; padding:3px 9px; border-radius:999px; border:1px solid var(--line); color:var(--muted)}
.badge.passed{background:rgba(63,185,80,.15); color:var(--ok); border-color:transparent}
.badge.attempted{background:rgba(210,153,34,.15); color:var(--warn); border-color:transparent}
.badge.beginner{color:var(--ok)}.badge.intermediate{color:var(--brand)}.badge.advanced{color:#b45309}
.badge.bonus{background:linear-gradient(135deg,var(--gold),#fbbf24); color:#1e1b2e; border-color:transparent; font-weight:800}

/* ===== Glossaire : infobulle au survol ===== */
.gloss{border-bottom:1px dotted var(--brand); cursor:help; position:relative; outline:none}
.gloss:focus-visible{outline:2px solid var(--brand); outline-offset:2px; border-radius:3px}
.gloss-pop{position:absolute; left:0; bottom:calc(100% + 9px); z-index:60;
  width:max-content; max-width:min(280px,74vw); background:#26233a; color:#fff;
  font-family:var(--font-body,inherit); font-size:12.5px; font-weight:500; line-height:1.45;
  padding:9px 12px; border-radius:10px; box-shadow:0 10px 30px rgba(0,0,0,.28);
  opacity:0; visibility:hidden; transform:translateY(4px); transition:opacity .14s, transform .14s, visibility .14s;
  pointer-events:none; white-space:normal; text-align:left}
.gloss-pop::after{content:''; position:absolute; top:100%; left:16px; border:6px solid transparent; border-top-color:#26233a}
.gloss:hover .gloss-pop, .gloss:focus .gloss-pop{opacity:1; visibility:visible; transform:translateY(0)}
@media (prefers-reduced-motion:reduce){ .gloss-pop{transition:none} }
.gloss-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:12px; margin:6px 0 4px}
.gloss-card{background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:12px 14px}
.gloss-card b{display:block; font-family:var(--font-display,inherit); color:var(--brand); font-size:14.5px; margin-bottom:3px}
.gloss-card span{color:var(--muted); font-size:13.5px; line-height:1.45}

/* Lesson */
.lesson-head{display:flex; align-items:baseline; gap:12px; margin-bottom:4px}
.lesson-head .num{color:var(--brand); font-weight:800}
.lesson h1{font-size:30px; margin:6px 0 18px}
.prose{font-size:16px}
.prose code{background:var(--panel-2); padding:1px 6px; border-radius:6px; font-size:14px}
.panel{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px; margin:16px 0}
.panel h4{margin:0 0 10px; font-size:13px; text-transform:uppercase; letter-spacing:1px; color:var(--muted)}
.concepts{margin:0; padding-left:20px}
.concepts li{margin:6px 0}
.example pre{margin:0}
pre, .code{
  background:var(--well); border:1px solid var(--line); border-radius:10px;
  padding:12px 14px; overflow:auto; font:13.5px/1.55 ui-monospace,"Cascadia Code",Consolas,monospace;
  white-space:pre-wrap; word-break:break-word;
}
.kv{color:var(--muted); font-size:13px; margin:0 0 6px}

/* Playground */
.pg{margin-top:8px}
.pg label{display:block; font-size:13px; color:var(--muted); margin:12px 0 5px; font-weight:600}
.pg textarea{
  width:100%; background:var(--well); color:var(--text); border:1px solid var(--line);
  border-radius:10px; padding:12px 14px; font:14px/1.5 ui-monospace,Consolas,monospace;
  resize:vertical; min-height:64px;
}
.pg textarea:focus{outline:none; border-color:var(--brand)}
.pg .run-row{display:flex; align-items:center; gap:12px; margin-top:12px}
.pg .response{margin-top:14px; display:none}
.pg .response.show{display:block}
.verdict{padding:10px 14px; border-radius:10px; font-weight:700; margin-bottom:10px}
.verdict.ok{background:rgba(63,185,80,.15); color:var(--ok)}
.verdict.no{background:rgba(248,81,73,.13); color:var(--err)}
.xp-pop{display:inline-block; margin-left:10px; background:var(--gold); color:#2a1c05; font-size:12px;
  font-weight:800; padding:2px 9px; border-radius:999px; animation:xppop .5s ease; font-family:var(--font-mono)}
@keyframes xppop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}

/* Réponse rendue en Markdown */
.md{background:var(--well); border:1px solid var(--line); border-radius:10px; padding:14px 16px; overflow:auto; font-size:14.5px}
.md:empty{display:none}
.md>*:first-child{margin-top:0}
.md>*:last-child{margin-bottom:0}
.md h1,.md h2,.md h3,.md h4{margin:14px 0 8px; line-height:1.25}
.md h1{font-size:21px}.md h2{font-size:18px}.md h3{font-size:16px}.md h4{font-size:15px}
.md p{margin:8px 0}
.md ul,.md ol{margin:8px 0; padding-left:22px}
.md li{margin:3px 0}
.md a{color:var(--accent)}
.md code{background:var(--panel-2); padding:1px 6px; border-radius:6px; font-size:13px; font-family:ui-monospace,Consolas,monospace}
.md pre.code{margin:10px 0}
.md pre.code code{background:none; padding:0}
/* Artefacts (blocs de code / aperçu HTML des réponses IA) */
.md .artifact{border:1px solid var(--line); border-radius:12px; overflow:hidden; margin:12px 0; background:var(--panel)}
.artifact-head{display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:6px 8px 6px 14px; background:var(--panel-2); border-bottom:1px solid var(--line)}
.artifact-lang{font-family:var(--font-display,inherit); font-weight:700; font-size:11px; letter-spacing:.5px;
  text-transform:uppercase; color:var(--muted)}
.artifact-actions{display:flex; gap:6px; flex:none}
.artifact-btn{font:inherit; font-size:12px; font-weight:700; cursor:pointer; border:1px solid var(--line);
  background:var(--panel); color:var(--text); padding:3px 11px; border-radius:999px; line-height:1.5}
.artifact-btn:hover{border-color:var(--brand); color:var(--brand)}
.artifact-btn.ok{border-color:var(--ok); color:var(--ok)}
.artifact-btn.on{background:var(--brand); color:#fff; border-color:var(--brand)}
.md .artifact .artifact-code{margin:0; padding:12px 14px; overflow:auto; border:0; border-radius:0; background:transparent}
.md .artifact .artifact-code code{background:none; padding:0}
.artifact-frame{width:100%; height:300px; border:0; background:#fff; display:block; resize:vertical}
/* Réponse IA entière présentée en panneau artefact */
.resp-artifact{margin:0}
.resp-artifact .md.artifact-body{border:0; border-radius:0; margin:0}
.resp-artifact .md.artifact-body:empty{display:block; min-height:0; padding:0}
.md blockquote{margin:10px 0; padding:4px 14px; border-left:3px solid var(--brand); color:var(--muted)}
.md hr{border:0; border-top:1px solid var(--line); margin:14px 0}
.md table{border-collapse:collapse; width:100%; margin:10px 0; font-size:13.5px}
.md th,.md td{border:1px solid var(--line); padding:7px 10px; text-align:left}
.md th{background:var(--panel-2); font-weight:700}
.md tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.notice{font-size:13px; color:var(--muted); border-left:3px solid var(--line); padding:4px 12px; margin:10px 0}
.disclosure{margin-top:12px}
.disclosure summary{cursor:pointer; color:var(--accent); font-size:14px; font-weight:600; user-select:none}
.disclosure pre{margin-top:8px}

/* Progress */
.progress-wrap{background:var(--panel-2); border-radius:999px; height:12px; overflow:hidden; border:1px solid var(--line)}
.progress-bar{height:100%; background:linear-gradient(90deg,var(--brand),var(--brand-2)); width:0}
.stat-row{display:flex; gap:14px; flex-wrap:wrap; margin:14px 0}
.stat{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:14px 18px; min-width:130px}
.stat .big{font-size:28px; font-weight:800}
.stat .lbl{color:var(--muted); font-size:13px}

/* Gamification */
.rank-panel .rank-top{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:10px; gap:12px; flex-wrap:wrap}
.rank-name{font-size:15px}
.rank-name strong{color:var(--brand)}
.badge-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:14px}
.badge-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:16px 14px; text-align:center}
.badge-card.locked{opacity:.5; filter:grayscale(.5)}
.badge-card.earned{border-color:var(--brand)}
.badge-ico{font-size:34px; line-height:1; margin-bottom:8px}
.badge-name{font-weight:700; font-size:14px}
.badge-desc{color:var(--muted); font-size:12px; margin-top:4px}

/* QCM */
.quiz-q{padding:12px 0; border-top:1px solid var(--line)}
.quiz-q:first-child{border-top:0}
.quiz-question{font-weight:600; margin:0 0 8px}
.quiz-opt{display:flex; align-items:flex-start; gap:9px; padding:8px 11px; margin:5px 0;
  border:1px solid var(--line); border-radius:9px; cursor:pointer; transition:.12s background,.12s border-color}
.quiz-opt:hover{background:var(--panel-2)}
.quiz-opt input{margin-top:3px}
.quiz-opt.is-correct{border-color:var(--ok); background:rgba(63,185,80,.12)}
.quiz-opt.is-wrong{border-color:var(--err); background:rgba(248,81,73,.12)}
.quiz-explain{margin:8px 0 0; font-size:13px; color:var(--muted); border-left:3px solid var(--brand); padding:4px 12px}
.quiz-q.correct .quiz-question::before{content:"✓ "; color:var(--ok); font-weight:800}
.quiz-q.wrong .quiz-question::before{content:"✗ "; color:var(--err); font-weight:800}

/* Auth */
.auth{max-width:400px; margin:40px auto}
.auth h1{font-size:26px; margin-bottom:6px}
.auth .field{margin:14px 0}
.auth label{display:block; font-size:13px; color:var(--muted); margin-bottom:5px}
.auth input{width:100%; background:var(--well); border:1px solid var(--line); color:var(--text); border-radius:10px; padding:11px 13px; font-size:15px}
.auth input:focus{outline:none; border-color:var(--brand)}
.auth .btn{width:100%; margin-top:8px}
.auth .alt{margin-top:16px; color:var(--muted); font-size:14px; text-align:center}
.flash{padding:11px 14px; border-radius:10px; margin:12px 0; font-size:14px}
.flash.err{background:rgba(220,38,38,.10); color:var(--err); border:1px solid rgba(220,38,38,.3)}
.flash.ok{background:rgba(22,163,74,.10); color:var(--ok); border:1px solid rgba(22,163,74,.3)}

/* ===== Chapitre : split Cours (gauche) / Playground séparé (droite) ===== */
.split-tabs{display:none}
.chapter-split{display:block}
@media (min-width:1024px){
  .chapter-split{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:26px; align-items:start; margin-top:10px}
  .pane-play{position:sticky; top:74px; max-height:calc(100vh - 96px); overflow:auto;
    border-left:1px solid var(--line); padding-left:26px}
  .pane-play .section-title{margin-top:0}
  .pane-lesson > *:first-child{margin-top:0}
}
@media (max-width:1023px){
  .split-tabs{display:grid; grid-template-columns:1fr 1fr; gap:6px; margin:16px 0 6px;
    background:var(--panel-2); padding:5px; border-radius:12px; position:sticky; top:8px; z-index:6}
  .split-tab{font:inherit; font-weight:800; font-family:var(--font-display,inherit); font-size:14px;
    cursor:pointer; border:0; border-radius:9px; padding:10px; background:transparent; color:var(--muted)}
  .split-tab.active{background:var(--bg); color:var(--brand); box-shadow:0 1px 5px rgba(0,0,0,.10)}
  .chapter-split .pane{display:none}
  .chapter-split.show-lesson .pane-lesson{display:block}
  .chapter-split.show-play .pane-play{display:block}
}

/* Lesson nav */
.lesson-nav{display:flex; justify-content:space-between; margin:26px 0 4px}
.muted{color:var(--muted)}
.news-head{display:flex; align-items:baseline; justify-content:space-between; gap:14px; margin-top:30px}
.foot{border-top:1px solid var(--line); padding:18px 20px; color:var(--muted); font-size:13px;
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; max-width:var(--mw); margin:0 auto; width:100%}
.foot .brand-line a{color:var(--brand)}

/* ===== Landing (visiteurs non connectés) ===== */
.lp-hero{padding:48px 0 36px; text-align:center}
.charlie-bot{display:block; margin:0 auto 8px; filter:drop-shadow(0 10px 22px rgba(108,60,255,.22))}
.lp-slogan{font-family:var(--font-display); font-weight:800; font-size:22px; color:var(--text); margin:0 auto 16px; letter-spacing:-.3px}
.lp-hero h1{font-size:54px; line-height:1.05; letter-spacing:-1px; margin:0 auto 18px; max-width:14ch}
.lp-hero .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2)); -webkit-background-clip:text;
  background-clip:text; color:transparent}
.lp-hero p.lead{font-size:20px; color:var(--muted); max-width:620px; margin:0 auto 26px}
.lp-hero .cta{display:flex; gap:14px; flex-wrap:wrap}

/* ===== Landing « vente » ===== */
.lp-hero2{display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center; padding:42px 0 26px}
.lp-hero2-text{text-align:left}
.lp-eyebrow{display:inline-block; font-weight:800; font-size:12.5px; letter-spacing:.3px; color:var(--brand);
  background:var(--panel-2); border:1px solid var(--line); padding:6px 13px; border-radius:999px; margin-bottom:16px}
.lp-hero2-text h1{font-family:var(--font-display); font-weight:800; font-size:clamp(33px,4.6vw,52px);
  line-height:1.05; letter-spacing:-1px; margin:0 0 16px}
.lp-hero2-text h1 .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent}
.lp-hero2-text .lead{font-size:18px; color:var(--muted); margin:0 0 24px; max-width:540px}
.lp-hero2-text .lead strong{color:var(--text)}
.lp-hero2-text .cta{display:flex; gap:12px; flex-wrap:wrap}
.lp-trust{display:flex; gap:18px; flex-wrap:wrap; margin:18px 0 0; color:var(--muted); font-size:13px; font-weight:600}
.lp-trust span{white-space:nowrap}
.lp-hero2-art{position:relative}
/* Démo playground */
.hero-demo{border:1px solid var(--line); border-radius:20px; overflow:hidden; background:var(--panel);
  box-shadow:0 30px 60px -22px rgba(30,27,46,.32); transform:rotate(.7deg)}
.hd-bar{display:flex; align-items:center; gap:7px; padding:11px 15px; border-bottom:1px solid var(--line); background:var(--panel-2)}
.hd-bar i{width:11px; height:11px; border-radius:50%}
.hd-bar i:nth-child(1){background:#ff5f57}.hd-bar i:nth-child(2){background:#febc2e}.hd-bar i:nth-child(3){background:#28c840}
.hd-bar > span{font-size:12px; color:var(--muted); font-weight:600; margin-left:6px}
.hd-live{margin-left:auto; display:inline-flex; align-items:center; gap:5px; color:var(--ok)}
.hd-live .dot{width:7px; height:7px; border-radius:50%; background:var(--ok); box-shadow:0 0 8px var(--ok)}
.hd-body{padding:18px 18px 20px}
.hd-tag{font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:.6px; color:var(--muted); margin:0 0 6px}
.hd-tag.ai{color:var(--brand); margin-top:16px}
.hd-prompt{background:var(--well); border:1px solid var(--line); border-radius:12px; padding:11px 14px; font-size:14.5px}
.hd-resp{font-size:14px; line-height:1.55; color:var(--text)}
.hd-verdict{display:inline-flex; align-items:center; gap:8px; margin-top:16px; padding:7px 13px; border-radius:999px;
  background:rgba(22,163,74,.12); color:var(--ok); font-weight:700; font-size:13px}
.hd-xp{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; padding:2px 9px; border-radius:999px; font-size:12px}
/* Preuve + crédibilité */
.lp-proof{margin-top:6px}
.lp-credibility{text-align:center; color:var(--muted); font-size:14px; margin:16px auto 0; max-width:660px}
.lp-credibility strong{color:var(--text)}
/* FAQ */
.lp-faq{max-width:760px; margin-left:auto; margin-right:auto}
.faq-item{border:1px solid var(--line); border-radius:14px; background:var(--panel); margin-bottom:10px; padding:0 18px}
.faq-item summary{cursor:pointer; list-style:none; padding:15px 0; font-weight:700; font-size:16px;
  display:flex; justify-content:space-between; align-items:center; gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+'; color:var(--brand); font-size:24px; font-weight:400; line-height:.8}
.faq-item[open] summary::after{content:'−'}
.faq-item p{margin:0 0 16px; color:var(--muted); font-size:14.5px; line-height:1.55}
@media (max-width:860px){
  .lp-hero2{grid-template-columns:1fr; gap:24px; text-align:center}
  .lp-hero2-text{text-align:center}
  .lp-hero2-text .lead{margin-left:auto; margin-right:auto}
  .lp-hero2-text .cta,.lp-trust{justify-content:center}
  .hero-demo{transform:none; max-width:430px; margin:0 auto}
}

/* Élément signature : fenêtre terminal */
.term{max-width:720px; margin:8px auto 0; text-align:left; border:1px solid var(--line); border-radius:14px;
  overflow:hidden; background:var(--term-bg); box-shadow:var(--shadow)}
.term-bar{display:flex; align-items:center; gap:8px; padding:11px 16px; border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02)}
.term-bar i{width:11px; height:11px; border-radius:50%; display:block}
.term-bar i:nth-child(1){background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar span{margin-left:8px; font-family:var(--font-mono); font-size:12px; color:#8b96b6}
.term-body{padding:26px 26px 30px; color:#e9edfa}
.term .lead{color:#9aa6c4}
h1.term-cmd{font-size:34px; line-height:1.18; margin:0 0 16px; letter-spacing:-.5px; max-width:none}
.term-cmd .caret{color:var(--brand); margin-right:12px}
.term-cmd .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent}
.cursor{display:inline-block; width:11px; height:1.05em; background:var(--brand); margin-left:5px; vertical-align:-2px; animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media(max-width:760px){ h1.term-cmd{font-size:25px} .term-body{padding:20px} }
.lp-stats{display:flex; gap:30px; justify-content:center; flex-wrap:wrap; margin:30px 0 8px; padding:18px 20px;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--panel)}
.lp-stat{text-align:center}
.lp-stat b{display:block; font-size:26px; font-weight:800; color:var(--text)}
.lp-stat span{color:var(--muted); font-size:13px}
.lp-section{margin:54px 0}
.lp-section h2{text-align:center; font-size:28px; margin:0 0 8px}
.lp-section .sub{text-align:center; color:var(--muted); margin:0 0 26px}
.feature-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:16px}
.feature{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:22px; transition:.15s transform,.15s border-color}
.feature:hover{transform:translateY(-3px); border-color:var(--brand)}
.feature .ico{font-size:30px; margin-bottom:10px}
.feature h3{margin:0 0 6px; font-size:17px}
.feature p{margin:0; color:var(--muted); font-size:14px}
.steps{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; counter-reset:step}
.step{position:relative; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:22px 20px 20px}
.step::before{counter-increment:step; content:counter(step); position:absolute; top:-14px; left:20px;
  width:30px; height:30px; display:grid; place-items:center; border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:var(--btn-fg); font-weight:900}
.step h3{margin:8px 0 6px; font-size:16px}
.step p{margin:0; color:var(--muted); font-size:14px}
.lp-cta-band{text-align:center; padding:44px 20px; margin:50px 0 10px; border:1px solid var(--line);
  border-radius:var(--radius); background:linear-gradient(135deg, rgba(108,60,255,.10), var(--panel))}
.lp-cta-band h2{font-size:26px; margin:0 0 16px}
.lp-cta-band.has-charlie{display:flex; align-items:center; justify-content:center; gap:32px; text-align:left; flex-wrap:wrap; overflow:hidden}
.lp-cta-band.has-charlie .cta-body{max-width:520px}
.cta-charlie{width:172px; height:auto; flex:none; filter:drop-shadow(0 14px 22px rgba(108,60,255,.28))}
@media (max-width:620px){ .lp-cta-band.has-charlie{flex-direction:column; text-align:center; gap:14px}
  .cta-charlie{width:130px} }

/* Personnages posés sur un blob violet (présentation « charte ») */
.char-hold{position:relative; display:inline-flex; flex:none; isolation:isolate}
.char-hold::before{content:''; position:absolute; left:50%; bottom:6%; transform:translateX(-50%); z-index:0;
  width:116%; height:82%; background:radial-gradient(circle at 50% 42%, var(--brand-2), var(--brand));
  opacity:.16; border-radius:48% 52% 46% 54% / 55% 50% 50% 45%; filter:blur(3px)}
.char-hold img{position:relative; z-index:1; display:block}

/* ===== Leaderboard ===== */
.lb{width:100%; border-collapse:collapse}
.lb th,.lb td{padding:11px 12px; text-align:left; border-bottom:1px solid var(--line)}
.lb th{font-size:12px; text-transform:uppercase; letter-spacing:.6px; color:var(--muted)}
.lb td.rk{width:48px; font-weight:800; color:var(--muted)}
.lb tr.me{background:rgba(217,119,87,.10)}
.lb tr.me td:first-child{box-shadow:inset 3px 0 0 var(--brand)}
.lb .xp{text-align:right; color:var(--gold); font-weight:700; white-space:nowrap; font-family:var(--font-mono)}
.lb .medal{font-size:17px}

/* ===== App shell (sidebar + appbar, connecté) ===== */
.has-shell .topbar{display:none}
.app{flex:1; display:flex; align-items:stretch; min-height:0}

.sidebar{width:252px; flex:none; position:sticky; top:0; align-self:flex-start; height:100vh;
  background:var(--panel); border-right:1px solid var(--line);
  display:flex; flex-direction:column; padding:16px 14px; z-index:60}
.side-brand{display:flex; align-items:center; gap:4px; font-family:var(--font-display); font-weight:800;
  font-size:21px; color:var(--text); padding:6px 8px 16px}
.side-brand:hover{text-decoration:none}
.side-nav{display:flex; flex-direction:column; gap:2px}
.sn{display:flex; align-items:center; gap:13px; padding:11px 12px; border-radius:14px;
  color:var(--text); font-weight:600; font-size:14.5px; line-height:1}
.sn:hover{background:var(--panel-2); text-decoration:none}
.sn svg{width:20px; height:20px; flex:none; color:var(--muted)}
.sn.active{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff;
  box-shadow:0 8px 18px rgba(108,60,255,.26)}
.sn.active svg{color:#fff}
.side-foot{margin-top:auto; padding-top:14px}
.rank-card{display:block; border:1px solid var(--line); border-radius:18px; padding:14px;
  background:radial-gradient(120% 120% at 100% 0,rgba(139,92,246,.16),transparent 60%),var(--panel-2)}
.rank-card:hover{text-decoration:none; border-color:var(--brand)}
.rank-card .rc-top{display:flex; align-items:center; gap:7px; font-weight:700; font-size:14px; color:var(--text)}
.rank-card .rc-sub{font-size:12px; color:var(--muted); margin:4px 0 9px; line-height:1.35}
.side-scrim{display:none}

.app-main{flex:1; min-width:0; display:flex; flex-direction:column}
.appbar{position:sticky; top:0; z-index:40; display:flex; align-items:center; gap:14px;
  padding:13px 24px; background:var(--panel); border-bottom:1px solid var(--line)}
.searchbar{flex:1; max-width:520px; display:flex; align-items:center; gap:10px;
  background:var(--bg); border:1px solid var(--line); border-radius:999px; padding:9px 15px}
.searchbar:focus-within{border-color:var(--brand)}
.searchbar svg{width:18px; height:18px; color:var(--muted); flex:none}
.searchbar input{flex:1; min-width:0; border:none; background:none; outline:none; color:var(--text); font:14.5px var(--font-body)}
.appbar-right{display:flex; align-items:center; gap:10px; margin-left:auto}
.appbar .theme-btn,.appbar .lang-select{height:40px}
.iconbtn{width:40px; height:40px; border-radius:50%; display:grid; place-items:center; flex:none;
  border:1px solid var(--line); background:var(--bg); color:var(--text); position:relative; cursor:pointer}
.iconbtn svg{width:19px; height:19px}
.iconbtn:hover{border-color:var(--brand); text-decoration:none}
.bell .bdot{position:absolute; top:8px; right:9px; width:7px; height:7px; border-radius:50%;
  background:var(--brand-2); border:2px solid var(--panel)}
.avatar{width:40px; height:40px; border-radius:50%; display:grid; place-items:center; color:#fff; flex:none;
  font-family:var(--font-display); font-weight:800; font-size:16px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.avatar:hover{text-decoration:none; opacity:.92}
.streak-chip{display:inline-flex; align-items:center; gap:5px; height:40px; padding:0 13px; flex:none;
  border-radius:999px; border:1px solid var(--line); background:var(--bg); font-weight:800; font-size:14px; color:var(--text)}
.streak-chip:hover{text-decoration:none; border-color:#f97316}
@media (max-width:760px){ .streak-chip{display:none} }
.side-toggle{display:none}
.app-main > .container{max-width:1200px; padding:24px 28px 40px}

/* Recherche : masque les sections hors-catalogue */
body.searching .feat,
body.searching .dash-progress,
body.searching .js-continue{display:none !important}

@media (max-width:960px){
  .sidebar{position:fixed; left:0; top:0; transform:translateX(-100%); transition:transform .25s ease;
    box-shadow:0 18px 50px rgba(30,27,46,.28)}
  .app.sidebar-open .sidebar{transform:none}
  .side-scrim{display:block; position:fixed; inset:0; background:rgba(30,27,46,.46); z-index:55;
    opacity:0; pointer-events:none; transition:opacity .25s}
  .app.sidebar-open .side-scrim{opacity:1; pointer-events:auto}
  .side-toggle{display:grid}
  .appbar{padding:11px 16px; gap:10px}
  .app-main > .container{padding:18px 16px 32px}
}
@media (max-width:760px){
  .appbar .lang-select{display:none}
  .appbar-right{gap:8px}
  .has-shell .appbar{position:static}
}

/* ===== Dashboard accueil (connecté) ===== */
.dash-hero{padding:28px 0 6px}
.dash-hero .pill{margin-bottom:14px}
.dash-hero h1{font-size:40px; line-height:1.04; margin:0 0 8px; letter-spacing:-.7px}
.dash-hero p{font-size:18px; color:var(--muted); margin:0}

/* Panneau quotidien (rétention : série / objectif / rang) */
.daily{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:18px 0 6px}
.daily-card{display:flex; align-items:center; gap:14px; padding:15px 18px; border-radius:18px;
  border:1px solid var(--line); background:var(--panel)}
a.daily-card{color:inherit}
a.daily-card:hover{text-decoration:none; border-color:var(--brand); transform:translateY(-2px); transition:.15s}
.dc-body{flex:1; min-width:0}
.daily-card.streak{background:radial-gradient(120% 130% at 0 0,rgba(249,115,22,.16),transparent 60%),var(--panel)}
.dc-flame{font-size:30px; flex:none; filter:grayscale(1) opacity(.45)}
.daily-card.streak.on .dc-flame{filter:none; animation:flamePulse 2s ease-in-out infinite}
@keyframes flamePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.13)}}
.dc-big{font-family:var(--font-display); font-weight:800; font-size:26px; line-height:1}
.dc-big span{font-size:13px; font-weight:600; color:var(--muted)}
.dc-week{display:flex; gap:5px; margin-top:9px}
.dc-day{width:22px; height:22px; border-radius:7px; display:grid; place-items:center; font-size:11px;
  font-weight:700; background:var(--panel-2); color:var(--muted); border:1px solid transparent}
.dc-day.act{background:linear-gradient(135deg,#f97316,#fb923c); color:#fff}
.dc-day.today{border-color:var(--brand)}
.dc-ring{width:46px; height:46px; border-radius:50%; flex:none; display:grid; place-items:center;
  font-size:20px; border:2px dashed var(--line); color:var(--muted)}
.daily-card.goal.done .dc-ring{border-style:solid; border-color:var(--ok); color:#fff; background:var(--ok)}
.dc-title{font-weight:700; font-size:15px}
.dc-sub{color:var(--muted); font-size:13px; margin-top:2px}
.daily-card.goal.done .dc-sub{color:var(--ok)}
.dc-medal{font-size:28px; flex:none}
.daily-card.rank .progress-wrap.slim{margin-top:9px; height:7px}
.dc-brain{font-size:28px; flex:none; filter:grayscale(1) opacity(.45)}
.daily-card.review.due{background:radial-gradient(120% 130% at 0 0,rgba(108,60,255,.14),transparent 60%),var(--panel)}
.daily-card.review.due .dc-brain{filter:none}
@media (max-width:1150px){ .daily{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .daily{grid-template-columns:1fr} }

/* ===== Révision espacée ===== */
.nav-due{display:inline-grid; place-items:center; min-width:19px; height:19px; padding:0 5px; margin-left:auto;
  border-radius:999px; background:var(--brand); color:#fff; font-style:normal; font-size:11px; font-weight:800;
  font-family:var(--font-display); line-height:1}
.dc-title .nav-due{margin-left:6px; vertical-align:2px}
.rev-head h1{margin:14px 0 6px}
.rev-head .muted{max-width:640px}
.rev-panel{max-width:680px; margin-top:16px}
.rev-top{display:flex; align-items:center; gap:14px; margin-bottom:16px}
.rev-bar{flex:1; height:8px}
.rev-count{font-family:var(--font-display); font-weight:700; font-size:13px; color:var(--muted); flex:none}
.rev-chapter{font-size:12.5px; font-weight:700; color:var(--brand); text-transform:uppercase;
  letter-spacing:.4px; margin:0 0 6px}
.rev-panel .quiz-question{font-size:17px; font-weight:700; margin:0 0 10px}
.rev-panel .quiz-explain{display:block; background:var(--panel-2); border-radius:10px; padding:10px 13px; margin-top:10px}
.rev-next{font-size:13px; margin:8px 0 0}
.rev-empty,.rev-done{text-align:center; padding:34px 24px}
.rev-empty{max-width:560px; margin-top:16px}
.rev-empty-emoji{font-size:44px; margin-bottom:8px}
.rev-empty h2,.rev-done h2{margin:0 0 8px}
.rev-empty .btn,.rev-done .btn{margin-top:14px}

/* ===== Certificats (profil) ===== */
.cert-list{margin-top:18px}
.cert-row{display:flex; align-items:center; gap:13px; padding:11px 4px; border-top:1px solid var(--line)}
.cert-row:first-of-type{border-top:0}
.cert-ico{font-size:22px; flex:none; filter:grayscale(1) opacity(.4)}
.cert-row.earned .cert-ico{filter:none}
.cert-info{flex:1; min-width:0}
.cert-name{font-weight:700; font-size:14px; margin-bottom:5px}
.cert-row.earned .cert-name{color:var(--brand)}
.cert-pct{font-family:var(--font-display); font-weight:700; font-size:12.5px; color:var(--muted); flex:none}
.cert-row.grand{margin-top:6px; border-top:2px solid var(--line)}
.cert-row.grand .cert-name{font-family:var(--font-display)}

/* ===== Admin — statistiques ===== */
.adm-kpis{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px}
.kpi{background:var(--panel); border:1px solid var(--line); border-radius:14px; padding:14px 16px}
.kpi b{display:block; font-family:var(--font-display); font-size:26px; line-height:1.1}
.kpi span{color:var(--muted); font-size:12.5px}
.adm-chart{display:flex; align-items:flex-end; gap:6px; height:130px}
.bar-col{flex:1; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; height:100%; min-width:0}
.bar-col .bar{width:100%; max-width:34px; background:linear-gradient(180deg,var(--brand),var(--brand-2)); border-radius:6px 6px 2px 2px}
.bar-n{font-size:10.5px; font-weight:700; color:var(--muted); margin-bottom:3px}
.bar-d{font-size:9.5px; color:var(--muted); margin-top:5px; white-space:nowrap}
.adm-users{width:100%; border-collapse:collapse; font-size:13px}
.adm-users th{text-align:left; color:var(--muted); font-size:11.5px; text-transform:uppercase; letter-spacing:.4px;
  padding:7px 10px; border-bottom:2px solid var(--line)}
.adm-users td{padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:middle}
.adm-users tr:last-child td{border-bottom:0}

.sec-head{display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin:34px 0 14px}
.sec-head h2{font-size:21px; margin:0; letter-spacing:-.3px}
.sec-head .more{font-size:14px; font-weight:600; color:var(--brand); white-space:nowrap}

/* Carte « à la une » */
.feat{position:relative; overflow:hidden; border-radius:var(--radius); border:1px solid var(--line);
  padding:36px 40px; margin:8px 0 6px;
  background:
    radial-gradient(120% 130% at 86% 12%, rgba(139,92,246,.22), transparent 56%),
    linear-gradient(135deg, rgba(108,60,255,.10), rgba(187,166,255,.10));
  display:grid; grid-template-columns:1.05fr .95fr; gap:26px; align-items:center}
.feat .eyebrow{color:var(--brand-2); font-weight:800; font-size:12px; letter-spacing:1.6px; text-transform:uppercase; margin:0}
.feat h2{font-size:32px; line-height:1.08; margin:10px 0 12px; letter-spacing:-.6px}
.feat p{color:var(--muted); font-size:16px; max-width:430px; margin:0 0 20px}
.feat .feat-meta{display:flex; gap:26px; margin-top:20px}
.feat .feat-meta b{color:var(--text); font-size:19px; display:block; font-family:var(--font-display)}
.feat .feat-meta span{color:var(--muted); font-size:12.5px}
.feat-art{position:relative; min-height:210px; display:grid; place-items:center}
.feat-thumb{position:relative; z-index:2; width:228px; border-radius:22px; padding:20px; color:#fff;
  background:linear-gradient(160deg,#1f2937,#1e1b2e); box-shadow:0 24px 50px rgba(30,27,46,.30)}
.feat-thumb .ft-k{font-size:11px; letter-spacing:1px; text-transform:uppercase; opacity:.65}
.feat-thumb .ft-t{font-size:18px; font-weight:700; margin:8px 0 18px; line-height:1.25}
.feat-thumb .ft-play{display:inline-flex; align-items:center; gap:8px; background:#fff; color:#1e1b2e;
  font-weight:700; font-size:13px; padding:7px 14px; border-radius:999px}
.feat-blob{position:absolute; border-radius:26px; z-index:1}
.feat-blob.b1{width:120px; height:120px; left:4%; top:6%; transform:rotate(-12deg); opacity:.55;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.feat-blob.b2{width:78px; height:78px; right:6%; bottom:4%; transform:rotate(14deg); opacity:.5;
  background:linear-gradient(135deg,var(--mint),var(--brand-2))}

/* Carte cours avec vignette + progression */
.ccard{display:flex; flex-direction:column}
.ccard .thumb{height:104px; border-radius:14px; margin:-2px 0 14px; display:grid; place-items:center;
  font-size:38px; color:#fff; text-shadow:0 2px 10px rgba(0,0,0,.18)}
/* Cover générée (dégradé + motif + emoji) */
.cover{position:relative; overflow:hidden; height:122px; border-radius:14px; margin:-2px 0 14px;
  display:grid; place-items:center}
.cover-motif{position:absolute; inset:0; width:100%; height:100%; z-index:0}
.cover-emo{position:relative; z-index:2; font-size:44px; line-height:1; filter:drop-shadow(0 4px 12px rgba(0,0,0,.30))}
/* Cover photo (image scrapée CC) */
.cover.has-img{background-size:cover; background-position:center; background-repeat:no-repeat}
.cover-badge{position:absolute; top:9px; left:9px; z-index:3; width:34px; height:34px; border-radius:11px;
  display:grid; place-items:center; font-size:18px; color:#fff; box-shadow:0 4px 12px rgba(0,0,0,.28)}
.feat-thumb{overflow:hidden}
.feat-thumb > *{position:relative; z-index:2}
.feat-thumb .cover-motif{z-index:0}
.feat-thumb.feat-photo{background-size:cover; background-position:center; min-height:250px;
  display:flex; flex-direction:column; justify-content:flex-end}
.feat-thumb.feat-photo .ft-k{opacity:.9}
.feat-thumb.feat-photo .ft-t{margin:6px 0 14px}
/* Vignette à la une cliquable */
a.feat-thumb{display:block; text-decoration:none; cursor:pointer; transition:transform .18s ease, box-shadow .18s ease}
a.feat-thumb:hover{transform:translateY(-4px) scale(1.015); box-shadow:0 34px 64px rgba(30,27,46,.42)}
a.feat-thumb:hover .ft-play{background:var(--brand); color:#fff}
.feat-title{color:inherit; text-decoration:none}
.feat-title:hover{text-decoration:underline; text-decoration-thickness:2px; text-underline-offset:3px}
/* Landing — aperçu des cours */
.lp-showcase{margin-top:46px}
.lp-showcase .sec-head h2{font-size:24px}
.ccard h3{margin:2px 0 6px}
.ccard .cbar{margin-top:auto; padding-top:14px}
.ccard .cbar .lab{display:flex; justify-content:space-between; font-size:12px; color:var(--muted); margin-bottom:6px}
.progress-wrap.slim{height:7px}
.rico{width:48px; height:48px; border-radius:14px; display:grid; place-items:center; font-size:23px;
  color:#fff; flex:none; margin-bottom:12px; text-shadow:0 2px 8px rgba(0,0,0,.18)}
.fycard{display:flex; flex-direction:column}
.fycard h3{margin:2px 0 5px; font-size:16px}
.fycard .fy-desc{color:var(--muted); font-size:13.5px; margin:0 0 12px; line-height:1.45}
.fycard .meta{margin-top:auto}
.empty-note{color:var(--muted); font-size:14px; background:var(--panel); border:1px dashed var(--line);
  border-radius:var(--radius); padding:18px 20px}

@media (max-width:720px){
  .dash-hero h1{font-size:30px}
  .feat{grid-template-columns:1fr; padding:26px 22px}
  .feat-art{display:none}
  .feat h2{font-size:26px}
}

/* ===== « En savoir plus » + drawer coulissant ===== */
.more-btn{display:inline-flex; align-items:center; gap:7px; margin:2px 0 18px}
.drawer-scrim{position:fixed; inset:0; background:rgba(30,27,46,.5); z-index:90; opacity:0;
  transition:opacity .25s; pointer-events:none}
.drawer-scrim.open{opacity:1; pointer-events:auto}
.drawer{position:fixed; top:0; right:0; height:100vh; width:400px; max-width:92vw; z-index:100;
  background:var(--panel); border-left:1px solid var(--line); box-shadow:-20px 0 50px rgba(30,27,46,.25);
  transform:translateX(100%); transition:transform .28s cubic-bezier(.4,0,.2,1); display:flex; flex-direction:column}
.drawer.open{transform:none}
.drawer-head{display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-bottom:1px solid var(--line)}
.drawer-head h3{margin:0; font-size:18px}
.drawer-x{width:34px; height:34px; border-radius:10px; border:1px solid var(--line); background:var(--bg);
  color:var(--text); cursor:pointer; font-size:15px; line-height:1}
.drawer-x:hover{border-color:var(--brand)}
.drawer-body{padding:18px 20px; overflow-y:auto}
.drawer-ch{font-weight:700; font-size:15px; margin:0 0 16px; color:var(--brand)}
.drawer-sec{margin-bottom:18px}
.drawer-sec h4{font-size:12px; text-transform:uppercase; letter-spacing:.6px; color:var(--muted); margin:0 0 9px}
.reslink{display:flex; align-items:center; gap:11px; padding:11px 13px; border:1px solid var(--line);
  border-radius:12px; background:var(--bg); color:var(--text); margin-bottom:8px; font-size:14px}
.reslink:hover{text-decoration:none; border-color:var(--brand); background:var(--panel-2)}
.reslink .rl-ico{flex:none; width:30px; height:30px; border-radius:8px; display:grid; place-items:center; background:var(--panel-2); font-size:14px}
.reslink.video .rl-ico{background:linear-gradient(135deg,#dc2626,#ef4444); color:#fff}
.reslink .rl-t{flex:1; min-width:0; font-weight:600; line-height:1.3}
.reslink .rl-go{flex:none; color:var(--muted)}
.drawer-explainer{background:radial-gradient(120% 140% at 0 0,rgba(187,166,255,.10),transparent 60%),var(--panel-2);
  border:1px solid var(--line); border-radius:14px; padding:14px 16px; margin-bottom:20px}
.drawer-explain{margin:0; font-size:14.5px; line-height:1.62; color:var(--text)}
@media (max-width:480px){ .drawer{width:100vw; max-width:100vw} }

/* ===== Page profil ===== */
.pf-hero{display:flex; align-items:center; gap:18px; flex-wrap:wrap; padding:22px 24px}
.pf-avatar{width:74px; height:74px; border-radius:50%; flex:none; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff;
  font:800 32px/1 var(--font-display); box-shadow:var(--glow)}
.pf-id{flex:1; min-width:200px}
.pf-id h1{margin:0; font-size:25px}
.pf-id .pf-email{color:var(--muted); font-size:14px}
.pf-meta{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.pf-chip{display:inline-flex; align-items:center; gap:6px; font-size:12.5px; font-weight:700;
  padding:5px 11px; border-radius:999px; border:1px solid var(--line); background:var(--panel-2); color:var(--text)}
.pf-chip .v{color:var(--brand)}
.pf-chip.xp .v{color:var(--gold)}
.pf-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:18px; margin-top:18px}
.pf-card h2{font-size:16px; margin:0 0 3px; display:flex; align-items:center; gap:8px}
.pf-card .sub{color:var(--muted); font-size:13px; margin:0 0 14px}
.pf-field{margin:13px 0}
.pf-field label{display:block; font-size:13px; font-weight:600; color:var(--muted); margin-bottom:5px}
.pf-input{width:100%; background:var(--well); border:1px solid var(--line); color:var(--text);
  border-radius:12px; padding:11px 13px; font:15px/1.4 var(--font-body)}
.pf-input:focus{outline:none; border-color:var(--brand)}
.pf-hint{font-size:12px; color:var(--muted); margin-top:5px}
.pf-show{font-size:12.5px; color:var(--accent); cursor:pointer; user-select:none; margin-top:8px; display:inline-block; font-weight:600}
.pf-card .btn{margin-top:6px}

/* ===== Back-office (admin) ===== */
.lang-tabs{display:flex; gap:8px; margin:10px 0 16px}
.lang-tabs .tab{padding:7px 14px; border:1px solid var(--line); border-radius:10px; color:var(--muted); font-weight:600; font-size:14px}
.lang-tabs .tab:hover{text-decoration:none; color:var(--text)}
.lang-tabs .tab.active{background:var(--brand); color:var(--btn-fg); border-color:var(--brand)}
.adm-grid{display:grid; grid-template-columns:300px 1fr; gap:18px; align-items:start}
.adm-list{display:flex; flex-direction:column; gap:4px; max-height:78vh; overflow:auto; position:sticky; top:72px}
.adm-ch{display:flex; justify-content:space-between; gap:8px; padding:9px 12px; border:1px solid var(--line);
  border-radius:10px; color:var(--text); font-size:13.5px; background:var(--panel)}
.adm-ch:hover{text-decoration:none; border-color:var(--brand)}
.adm-ch.active{border-color:var(--brand); background:var(--panel-2)}
.dot-edited{color:var(--mint); font-size:11px}
.adm-form{display:block}
.adm-l{display:block; font-weight:700; font-size:13px; margin:16px 0 4px}
.ref{font-size:12px; color:var(--muted); background:var(--panel-2); border-radius:8px; padding:5px 9px; margin:3px 0; white-space:pre-wrap; word-break:break-word}
.adm-in{width:100%; background:var(--well); color:var(--text); border:1px solid var(--line); border-radius:10px;
  padding:8px 11px; font:14px/1.5 var(--font-body); margin-top:3px}
.adm-in:focus{outline:none; border-color:var(--brand)}
textarea.adm-in{resize:vertical}
.adm-block{border-top:1px dashed var(--line); padding-top:10px; margin-top:12px}
.adm-h3{margin:22px 0 6px; font-size:15px; color:var(--brand)}
@media(max-width:760px){ .adm-grid{grid-template-columns:1fr} .adm-list{position:static; max-height:none; flex-direction:row; flex-wrap:wrap} .adm-ch{flex:1 1 140px} }

/* ===== Toast (rang débloqué) ===== */
.toast-wrap{position:fixed; left:50%; bottom:28px; transform:translateX(-50%); z-index:60; display:flex; flex-direction:column; gap:10px}
.toast{display:flex; align-items:center; gap:12px; background:var(--panel); border:1px solid var(--brand);
  box-shadow:var(--glow); border-radius:14px; padding:13px 18px; min-width:240px; animation:toastIn .4s ease}
.toast .t-ico{font-size:26px}
.toast .t-title{font-weight:800}
.toast .t-sub{color:var(--muted); font-size:13px}
@keyframes toastIn{from{opacity:0; transform:translateY(16px)}to{opacity:1; transform:translateY(0)}}

@media(max-width:760px){
  .hero h1{font-size:32px}
  .lp-hero{padding:38px 0 20px}
  .lp-hero h1{font-size:38px}
  .lp-hero p.lead{font-size:17px}
  .foot{flex-direction:column}
}

/* Connexion par code e-mail (OTP) */
.otp-input{font-family:ui-monospace,Consolas,monospace; font-size:26px; letter-spacing:.5em;
  text-align:center; font-weight:700}
.linklike{background:none; border:0; padding:0; font:inherit; font-size:14px; color:var(--brand);
  cursor:pointer; text-decoration:underline}
.linklike:hover{opacity:.8}
.btn-danger{background:var(--err); border-color:var(--err); color:#fff}
.btn-danger:hover{filter:brightness(.93)}

/* Parrainage */
.invite-row{display:flex; gap:8px; align-items:center; margin:10px 0}
.invite-row .pf-input{flex:1; min-width:0; font-size:13px; font-family:ui-monospace,Consolas,monospace}
.invite-share{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:12px}
.invite-count{margin:0; font-size:14px}
.invite-banner{display:flex; align-items:center; gap:8px}
@media (max-width:520px){ .invite-row{flex-direction:column; align-items:stretch} }