:root{color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}html{scroll-padding-top:env(safe-area-inset-top,0px)}body{margin:0;padding:0;font:14px -apple-system,BlinkMacSystemFont,sans-serif;background:#fff;color:#000}img{max-width:100%}[hidden]:not([hidden=until-found i]){display:none!important}

/* Layout : une colonne de lecture (≈ 720px), un « poste d'écoute » en tête de chaque exercice, résultats en tableau de bord. */
:root{
  --teal:#1747D1; --teal-ink:#0F2F94; --gold:#FFC81E; --gold-ink:#A86F00;
  --bg:#FFFFFF; --surface:#FFFFFF; --sunk:#EEF3FF; --line:#D5E0FA;
  --fg:#0D1B3E; --muted:#4E5E80;
  --good:#1F8A4C; --good-bg:#E4F6EA; --bad:#C8372D; --bad-bg:#FDE8E6;
  --on-teal:#FFFFFF;
  --f-display:"Literata", Georgia, "Times New Roman", serif;
  --f-body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --r:14px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --teal:#4D7DFF; --teal-ink:#A9C1FF; --gold:#FFD24A; --gold-ink:#FFD24A;
  --bg:#0A1430; --surface:#101D42; --sunk:#172856; --line:#24386E;
  --fg:#EEF3FF; --muted:#A3B3D9;
  --good:#5FD38E; --good-bg:#0F3324; --bad:#FF8B80; --bad-bg:#3E1714; --on-teal:#FFFFFF; color-scheme:dark}}
:root[data-theme="dark"]{
  --teal:#4D7DFF; --teal-ink:#A9C1FF; --gold:#FFD24A; --gold-ink:#FFD24A;
  --bg:#0A1430; --surface:#101D42; --sunk:#172856; --line:#24386E;
  --fg:#EEF3FF; --muted:#A3B3D9;
  --good:#5FD38E; --good-bg:#0F3324; --bad:#FF8B80; --bad-bg:#3E1714; --on-teal:#FFFFFF; color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--fg);font:16px/1.55 var(--f-body);-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding-block:20px 56px;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));display:flex;flex-direction:column;gap:22px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.15;font-weight:700}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:8px}

/* barre de marque */
.brand{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em;color:var(--teal-ink);text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--teal);display:grid;place-items:center;color:var(--on-teal);font-family:var(--f-display);font-size:19px;position:relative}
.logo-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:11px;height:11px;border-radius:50%;background:var(--gold)}
.pill{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:99px;background:var(--gold);color:#0D1B3E}

/* accueil */
.hero{display:flex;flex-direction:column;gap:14px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.hero h1{font-size:clamp(30px,6vw,46px);color:var(--teal-ink)}
.hero .lead{font-size:17px;color:var(--muted);max-width:60ch}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.facts div{padding:12px 14px;border-right:1px solid var(--line)}
.facts div:last-child{border-right:0}
.facts b{display:block;font-family:var(--f-display);font-size:24px;color:var(--teal-ink);font-variant-numeric:tabular-nums}
.facts span{font-size:13px;color:var(--muted)}
@media (max-width:560px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div:nth-child(2){border-right:0}.facts div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

.modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:560px){.modes{grid-template-columns:1fr}}
.mode{text-align:left;border:2px solid var(--line);background:var(--surface);border-radius:var(--r);padding:14px 16px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .15s, transform .15s}
.mode:hover{transform:translateY(-1px)}
.mode[aria-pressed="true"]{border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb, var(--teal) 18%, transparent)}
.mode strong{font-size:16px}
.mode span{font-size:14px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:99px;padding:13px 22px;font-weight:700;cursor:pointer;background:var(--teal);color:var(--on-teal);text-decoration:none;transition:transform .12s, filter .12s}
.btn:hover{filter:brightness(1.07)}
.btn:active{transform:scale(.98)}
.btn.ghost{background:transparent;color:var(--teal-ink);border:2px solid var(--line)}
.btn.gold{background:var(--gold);color:#0D1B3E}
.btn:disabled{opacity:.45;cursor:not-allowed}
.note{font-size:13px;color:var(--muted)}

/* progression */
.steps{display:flex;gap:6px}
.steps i{flex:1;height:6px;border-radius:9px;background:var(--sunk);overflow:hidden;position:relative}
.steps i.done::after,.steps i.on::after{content:"";position:absolute;inset:0;background:var(--teal);transform-origin:left;animation:fill .6s ease both}
.steps i.on::after{background:var(--gold)}
@keyframes fill{from{transform:scaleX(0)}}

/* poste d'écoute */
.station{background:#1747D1;color:#fff;border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}
.station::before{content:"";position:absolute;inset:auto -60px -90px auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle, rgba(255,200,30,.45), transparent 70%)}
.st-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline;position:relative}
.st-top h2{font-size:clamp(22px,4.5vw,28px);color:#fff}
.st-kind{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:#FFD84D;font-weight:700}
.st-pts{font-family:var(--f-mono);font-size:13px;color:#FFD84D}
.deck{display:flex;align-items:center;gap:16px;position:relative}
.play{width:64px;height:64px;flex:none;border-radius:50%;border:0;background:var(--gold);color:#0D1B3E;display:grid;place-items:center;cursor:pointer;transition:transform .15s}
.play:hover{transform:scale(1.05)}
.play:disabled{opacity:.5;cursor:default;transform:none}
.play svg{width:26px;height:26px}
.wave{flex:1;min-width:0;height:56px;display:flex;align-items:center;gap:3px}
.wave span{flex:1;min-width:2px;border-radius:3px;background:rgba(255,255,255,.28);height:20%;transition:height .12s, background .3s}
.wave span.past{background:#FFD84D}
.st-status{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;position:relative;font-size:14px}
.phase{display:inline-flex;align-items:center;gap:8px;font-weight:700}
.phase .dot{width:9px;height:9px;border-radius:50%;background:#FFD84D}
.phase.live .dot{background:#FF8A7A;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25}}
.clock{font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-size:15px}
.listens{display:flex;gap:6px;align-items:center;font-size:13px}
.listens b{width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);display:grid;place-items:center;font-size:12px}
.listens b.used{background:#FFD84D;color:#0D1B3E;border-color:#FFD84D}
.skip{background:rgba(255,255,255,.14);border:0;color:#fff;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:600;cursor:pointer}
.countdown{position:relative;height:4px;border-radius:4px;background:rgba(255,255,255,.18);overflow:hidden}
.countdown i{position:absolute;inset:0;background:#FFD84D;transform-origin:left}

.consigne{font-style:italic;color:var(--muted);font-size:15px}

/* questions */
.qs{display:flex;flex-direction:column;gap:14px}
.q{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px;animation:rise .45s both}
@keyframes rise{from{transform:translateY(8px);opacity:.4}}
.q h3{font-family:var(--f-body);font-size:16px;font-weight:700;display:flex;gap:10px}
.q h3 .n{flex:none;width:26px;height:26px;border-radius:8px;background:var(--sunk);color:var(--teal-ink);display:grid;place-items:center;font-size:13px;font-family:var(--f-mono)}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;gap:10px;align-items:flex-start;text-align:left;width:100%;border:1.5px solid var(--line);background:transparent;border-radius:11px;padding:10px 12px;cursor:pointer;transition:border-color .15s, background .15s}
.opt:hover{border-color:var(--teal)}
.opt .L{flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-weight:700;font-size:13px}
.opt[aria-pressed="true"]{border-color:var(--teal);background:color-mix(in srgb, var(--teal) 10%, var(--surface))}
.opt[aria-pressed="true"] .L{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.opt.right{border-color:var(--good);background:var(--good-bg)}
.opt.right .L{background:var(--good);border-color:var(--good);color:var(--surface)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.opt.wrong .L{background:var(--bad);border-color:var(--bad);color:var(--surface)}
.why{font-size:14px;color:var(--muted);border-left:3px solid var(--gold);padding-left:10px}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* résultats */
.score{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px}
@media (max-width:560px){.score{grid-template-columns:1fr;justify-items:center}.verdict{width:100%;text-align:left}}
.gauge{position:relative;width:170px;height:170px}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge .val{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.gauge .val b{font-family:var(--f-display);font-size:44px;line-height:1;color:var(--teal-ink);font-variant-numeric:tabular-nums}
.gauge .val span{font-size:13px;color:var(--muted)}
.verdict{display:flex;flex-direction:column;gap:10px}
.verdict h2{font-size:26px;color:var(--teal-ink)}
.rows{display:flex;flex-direction:column;gap:8px}
.row{display:grid;grid-template-columns:minmax(0,1fr) 110px 56px;gap:10px;align-items:center;font-size:14px}
.row .track{height:8px;border-radius:8px;background:var(--sunk);overflow:hidden}
.row .track i{display:block;height:100%;background:var(--teal);border-radius:8px;transform-origin:left;animation:fill 1s .2s ease both}
.row .pts{font-family:var(--f-mono);text-align:right;font-variant-numeric:tabular-nums}
.chip{display:inline-flex;align-self:flex-start;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:99px}
.chip.ok{background:var(--good-bg);color:var(--good)}
.chip.ko{background:var(--bad-bg);color:var(--bad)}

.review{display:flex;flex-direction:column;gap:14px}
details.ex{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:4px 16px}
details.ex summary{cursor:pointer;padding:12px 0;font-weight:700;display:flex;justify-content:space-between;gap:10px;list-style:none}
details.ex summary::-webkit-details-marker{display:none}
details.ex summary::after{content:"+";font-family:var(--f-mono);color:var(--muted)}
details.ex[open] summary::after{content:"–"}
.ex-body{display:flex;flex-direction:column;gap:14px;padding-bottom:16px}
.transcript{display:flex;flex-direction:column;gap:6px;background:var(--sunk);border-radius:12px;padding:14px;font-size:15px;max-height:360px;overflow:auto}
.transcript p{padding:4px 8px;border-radius:8px;transition:background .25s}
.transcript p.now{background:color-mix(in srgb, var(--gold) 35%, transparent)}
.transcript .who{font-weight:700;color:var(--teal-ink);margin-right:6px}
.mini{display:flex;align-items:center;gap:10px}
.mini .play{width:42px;height:42px;background:var(--teal);color:var(--on-teal)}
.mini .play svg{width:18px;height:18px}
.mini .prog{flex:1;height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.mini .prog i{display:block;height:100%;width:0;background:var(--gold)}

.cta{background:#1747D1;color:#fff;border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:12px}
.cta h2{font-size:24px;color:#fff}
.cta p{color:#E3EBFF}
.cta .acts{display:flex;gap:10px;flex-wrap:wrap}
.cta .btn.ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.mail{font-family:var(--f-mono);font-size:14px;user-select:all;color:#FFD84D}
footer{font-size:12.5px;color:var(--muted);text-align:center}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* --- examen complet --- */
.sujets{display:flex;gap:6px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted)}
.sujets a{min-width:34px;text-align:center;padding:5px 10px;border-radius:99px;border:1.5px solid var(--line);color:var(--teal-ink);font-weight:700;text-decoration:none}
.sujets a[aria-current="page"]{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
@media (max-width:560px){.tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.tabs button:last-child{grid-column:span 2}}
.tabs button{border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:9px 8px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:2px;min-width:0}
.tabs button b{font-size:13px;line-height:1.2}
.tabs button span{font-size:12px;color:var(--muted);font-family:var(--f-mono)}
.tabs button[aria-current="true"]{border-color:var(--teal);background:color-mix(in srgb, var(--teal) 8%, var(--surface))}
.tabs button.done span{color:var(--good)}
.parts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:560px){.parts{grid-template-columns:1fr}}
.part{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;background:var(--surface);display:flex;flex-direction:column;gap:2px}
.part b{color:var(--teal-ink)}
.part span{font-size:14px;color:var(--muted)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;border-bottom:3px solid var(--gold);padding-bottom:10px}
.sec-head h2{font-size:clamp(24px,4.6vw,32px);color:var(--teal-ink)}
.timer{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-variant-numeric:tabular-nums;background:var(--sunk);border-radius:99px;padding:6px 8px 6px 14px;font-size:15px}
.timer button{border:0;border-radius:99px;background:var(--teal);color:var(--on-teal);padding:5px 12px;font-weight:700;font-size:13px;cursor:pointer;font-family:var(--f-body)}
.timer.warn{background:var(--bad-bg);color:var(--bad)}
.doc-grid{display:grid;gap:10px}
.doc{border:1.5px solid var(--line);border-radius:var(--r);padding:14px 16px;background:var(--surface);display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px}
.doc .L{width:34px;height:34px;border-radius:10px;background:var(--gold);color:#0D1B3E;display:grid;place-items:center;font-weight:700;font-family:var(--f-display);font-size:18px}
.doc b{display:block;margin-bottom:2px}
.doc p{font-size:15px;color:var(--fg)}
.situation{background:var(--sunk);border-radius:var(--r);padding:14px 16px;font-size:15.5px}
.article{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px clamp(16px,4vw,28px);font-family:var(--f-display);font-size:16.5px;line-height:1.7;display:flex;flex-direction:column;gap:12px}
.article h3{font-size:22px;color:var(--teal-ink)}
.ex-title{font-size:19px;color:var(--teal-ink);display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.ex-title small{font-family:var(--f-mono);font-size:13px;color:var(--gold-ink);font-weight:500}
.consigne-box{background:color-mix(in srgb, var(--gold) 18%, var(--surface));border:1.5px solid var(--gold);border-radius:var(--r);padding:14px 16px;font-size:15.5px}
textarea{width:100%;min-height:340px;border:1.5px solid var(--line);border-radius:var(--r);padding:16px;font:16px/1.65 var(--f-body);background:var(--surface);color:var(--fg);resize:vertical}
textarea:focus{outline:none;border-color:var(--teal)}
.wc{font-family:var(--f-mono);font-size:14px}
.wc.ok{color:var(--good)} .wc.low{color:var(--bad)}
.model{border-left:4px solid var(--gold);background:var(--surface);border-radius:0 var(--r) var(--r) 0;padding:16px 18px;font-family:var(--f-display);line-height:1.65;display:flex;flex-direction:column;gap:8px}
.grid-eval{display:flex;flex-direction:column;gap:8px}
.crit{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:15px}
.crit select{font:inherit;padding:6px 8px;border-radius:8px;border:1.5px solid var(--line);background:var(--surface);color:var(--fg);font-family:var(--f-mono)}
.total-line{display:flex;justify-content:space-between;font-weight:700;padding:4px 12px;font-family:var(--f-mono)}
.po-part{border:1px solid var(--line);border-radius:18px;padding:18px;background:var(--surface);display:flex;flex-direction:column;gap:12px}
.po-part h3{font-size:19px;color:var(--teal-ink)}
.po-part .meta{font-size:13.5px;color:var(--muted)}
.draw{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.card-sujet{background:var(--sunk);border-radius:var(--r);padding:14px 16px;font-size:15.5px;animation:rise .4s both}
.card-sujet b{color:var(--teal-ink)}
.rec{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.rec audio{max-width:100%;height:36px}
.rec .dot{width:10px;height:10px;border-radius:50%;background:var(--bad);animation:pulse 1s infinite}
.qlist{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
.big-total{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:560px){.big-total{grid-template-columns:repeat(2,minmax(0,1fr))}}
.big-total div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.big-total b{display:block;font-family:var(--f-display);font-size:26px;color:var(--teal-ink);font-variant-numeric:tabular-nums}
.big-total span{font-size:13px;color:var(--muted)}
.big-total em{font-style:normal;font-size:12px;color:var(--gold-ink)}