/* ===================== OACP — styles mobile-first ===================== */
:root{
  --bg:#0f1720; --bg2:#16212e; --card:#1c2a3a; --card2:#223346;
  --line:#2c3e54; --txt:#eaf1f8; --mut:#9fb2c8; --mut2:#7f93ab;
  --acc:#2e78ff; --acc2:#1e5fd8; --ok:#22c07a; --ok2:#189d63;
  --warn:#ffb020; --bad:#ff5d5d; --radius:16px;
  --shadow:0 6px 22px rgba(0,0,0,.35);
  --safe-b:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#eef2f7; --bg2:#e6ecf3; --card:#ffffff; --card2:#f3f6fa;
    --line:#dde5ee; --txt:#12202f; --mut:#5a6b7e; --mut2:#8496a8;
    --acc:#2e78ff; --acc2:#1b60d6; --ok:#12a55f; --ok2:#0e8f52;
    --shadow:0 6px 20px rgba(20,40,70,.10);
  }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  color:var(--txt); min-height:100dvh; overscroll-behavior-y:none;
  -webkit-font-smoothing:antialiased;
}
.app{max-width:640px;margin:0 auto;padding:0 14px calc(96px + var(--safe-b));min-height:100dvh}

/* ---------- Top bar ---------- */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;
  padding:14px 2px 12px;background:linear-gradient(180deg,var(--bg2) 70%,transparent)}
.top .back{border:0;background:var(--card);color:var(--txt);width:38px;height:38px;
  border-radius:12px;font-size:20px;display:none;align-items:center;justify-content:center;
  box-shadow:var(--shadow);cursor:pointer}
.top.showback .back{display:flex}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:34px;height:34px;border-radius:9px;object-fit:cover;display:block;flex:none}
.brand-full{display:block;width:100%;max-width:250px;height:auto;margin:0 auto 16px;
  background:#fff;padding:12px 18px;border-radius:14px;box-shadow:0 4px 14px rgba(0,0,0,.12)}
.brand h1{font-size:17px;margin:0;font-weight:750}
.brand small{display:block;color:var(--mut);font-size:11.5px;font-weight:500;margin-top:1px}

/* ---------- Sections ---------- */
.view{display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Home ---------- */
.hero{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 16px 14px;box-shadow:var(--shadow);margin-bottom:14px}
.hero h2{margin:.1em 0 .2em;font-size:19px}
.hero p{margin:0;color:var(--mut);font-size:13.5px;line-height:1.5}
.stat-row{display:flex;gap:8px;margin-top:14px}
.stat{flex:1;background:var(--card2);border:1px solid var(--line);border-radius:12px;
  padding:9px 10px;text-align:center}
.stat b{display:block;font-size:19px;line-height:1.1}
.stat span{font-size:10.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.4px}

.modes{display:grid;gap:12px}
.mode{display:flex;align-items:center;gap:14px;width:100%;text-align:left;cursor:pointer;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;color:var(--txt);box-shadow:var(--shadow);transition:transform .12s}
.mode:active{transform:scale(.985)}
.mode .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:24px;flex:none}
.mode .ic.fl{background:rgba(46,120,255,.16)}
.mode .ic.si{background:rgba(255,176,32,.16)}
.mode .ic.fi{background:rgba(34,192,122,.16)}
.mode .ic.pi{background:rgba(123,60,255,.16)}
.mode h3{margin:0 0 3px;font-size:16px}
.mode p{margin:0;color:var(--mut);font-size:12.5px;line-height:1.4}
.mode .arw{margin-left:auto;color:var(--mut2);font-size:20px;flex:none}

.footnote{text-align:center;color:var(--mut2);font-size:11.5px;margin:18px 4px 4px;line-height:1.5}

/* ---------- Section title ---------- */
.sec-h{margin:2px 2px 12px}
.sec-h h2{margin:0;font-size:20px}
.sec-h p{margin:4px 0 0;color:var(--mut);font-size:13px}

/* ---------- Filter chips ---------- */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;border:1px solid var(--line);background:var(--card);color:var(--mut);
  padding:8px 13px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer}
.chip.on{background:var(--acc);border-color:var(--acc);color:#fff}

/* ---------- Fiche list ---------- */
.list{display:grid;gap:10px}
.item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;
  cursor:pointer;box-shadow:var(--shadow)}
.item .tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.4px;
  padding:3px 8px;border-radius:6px;margin-bottom:8px;text-transform:uppercase}
.tag.m{background:rgba(46,120,255,.16);color:#6aa5ff}
.tag.p{background:rgba(123,60,255,.18);color:#b494ff}
.item h3{margin:0;font-size:15.5px;line-height:1.3}
.item .num{color:var(--mut2);font-weight:700;margin-right:6px}
.item p{margin:6px 0 0;color:var(--mut);font-size:12.5px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Fiche detail ---------- */
.detail{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.detail .tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.4px;
  padding:3px 8px;border-radius:6px;margin-bottom:10px;text-transform:uppercase}
.detail h2{margin:0 0 12px;font-size:19px;line-height:1.3}
.situation{background:var(--card2);border-left:3px solid var(--acc);border-radius:10px;
  padding:12px 13px;color:var(--txt);font-size:13.5px;line-height:1.55;margin-bottom:6px}
.situation b{color:var(--acc)}
.qa{border-top:1px solid var(--line);padding:14px 0 2px}
.qa .q{font-weight:700;font-size:14.5px;line-height:1.4;margin:0 0 8px;display:flex;gap:8px}
.qa .q .n{color:var(--acc);flex:none}
.qa ul{margin:0;padding-left:2px;list-style:none;display:grid;gap:7px}
.qa li{position:relative;padding-left:22px;font-size:13.5px;line-height:1.5;color:var(--txt)}
.qa li:before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:800}
.retenir{margin-top:14px;background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.35);
  border-radius:12px;padding:12px 13px;font-size:13px;line-height:1.5}
.retenir b{color:var(--warn)}

/* ---------- Flashcards ---------- */
.deck-wrap{display:flex;flex-direction:column;align-items:center;gap:16px;padding-top:6px}
.progress{width:100%;height:6px;background:var(--card);border-radius:99px;overflow:hidden}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--acc),#7b3cff);width:0;transition:width .3s}
.counter{color:var(--mut);font-size:13px;font-weight:600}
.flash{width:100%;min-height:340px;perspective:1600px;cursor:pointer}
.flash-inner{position:relative;width:100%;min-height:340px;transition:transform .5s;transform-style:preserve-3d}
.flash.flip .flash-inner{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.face .cat{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--acc);margin-bottom:12px}
.face .qtext{font-size:18px;font-weight:650;line-height:1.4;margin:auto 0}
.face .hint{text-align:center;color:var(--mut2);font-size:12px;margin-top:14px}
.back-face{transform:rotateY(180deg);overflow-y:auto}
.back-face .cat{color:var(--ok)}
.back-face ul{margin:auto 0;padding-left:2px;list-style:none;display:grid;gap:9px}
.back-face li{position:relative;padding-left:24px;font-size:15px;line-height:1.5}
.back-face li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.back-face .single{font-size:16px;line-height:1.55;margin:auto 0}
.deck-btns{display:flex;gap:10px;width:100%}
.deck-btns button{flex:1;border:0;border-radius:14px;padding:15px;font-size:15px;font-weight:700;
  cursor:pointer;box-shadow:var(--shadow)}
.btn-again{background:rgba(255,93,93,.15);color:var(--bad);border:1px solid rgba(255,93,93,.35)!important}
.btn-ok{background:rgba(34,192,122,.16);color:var(--ok);border:1px solid rgba(34,192,122,.4)!important}
.deck-done{text-align:center;padding:40px 16px;background:var(--card);border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow)}
.deck-done .big{font-size:54px;margin-bottom:8px}
.deck-done h3{margin:0 0 6px;font-size:20px}
.deck-done p{color:var(--mut);margin:0 0 18px}

/* ---------- Simulation ---------- */
.sim-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.timer{font-variant-numeric:tabular-nums;font-size:40px;font-weight:800;text-align:center;letter-spacing:1px}
.timer.warn{color:var(--warn)}.timer.over{color:var(--bad)}
.timer-lbl{text-align:center;color:var(--mut);font-size:12px;text-transform:uppercase;letter-spacing:.6px;margin-top:2px}
.sim-sub{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.4px;color:var(--acc);
  background:rgba(46,120,255,.14);padding:4px 9px;border-radius:6px;margin-bottom:10px}
.sim-card h2{margin:0 0 12px;font-size:19px}
.q-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:9px}
.q-list li{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:11px 12px;
  font-size:13.5px;line-height:1.45;display:flex;gap:9px}
.q-list li .n{color:var(--acc);font-weight:700;flex:none}
.reveal{margin-top:16px}
.reveal .qa{border-top:1px dashed var(--line)}

/* ---------- Buttons ---------- */
.btn{display:block;width:100%;border:0;border-radius:14px;padding:15px;font-size:15.5px;font-weight:700;
  cursor:pointer;box-shadow:var(--shadow);margin-top:12px}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.btn.ghost{background:var(--card);color:var(--txt);border:1px solid var(--line)}
.btn.small{padding:12px;font-size:14px}
.btn-row{display:flex;gap:10px}
.btn-row .btn{margin-top:12px}

/* ---------- Reference blocks ---------- */
.ref-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);margin-bottom:12px}
.ref-block h3{margin:0 0 12px;font-size:16px;display:flex;align-items:center;gap:8px}
.ref-table{width:100%;border-collapse:collapse;font-size:13px;table-layout:fixed}
.ref-table td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.4;word-break:break-word;overflow-wrap:anywhere}
.ref-table td:first-child{width:52%}
.ref-table td:last-child{text-align:right;font-weight:700;color:var(--acc);padding-left:12px}
@media (max-width:560px){
  .ref-table,.ref-table tbody,.ref-table tr,.ref-table td{display:block;width:auto}
  .ref-table tr{padding:9px 2px;border-bottom:1px solid var(--line)}
  .ref-table td{padding:0 2px;border:none}
  .ref-table td:first-child{width:auto;color:var(--mut);font-size:12.5px;margin-bottom:3px}
  .ref-table td:last-child{text-align:left;padding-left:0;font-size:14px}
}
.ref-list{margin:0;padding-left:2px;list-style:none;display:grid;gap:8px}
.ref-list li{position:relative;padding-left:20px;font-size:13.5px;line-height:1.5}
.ref-list li:before{content:"›";position:absolute;left:2px;color:var(--acc);font-weight:800}
.pieges-list li:before{content:"⚠";color:var(--warn);font-size:12px}

/* ---------- Bottom nav ---------- */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;
  background:color-mix(in srgb,var(--card) 92%,transparent);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-top:1px solid var(--line);padding:8px 0 calc(8px + var(--safe-b));
  display:flex;justify-content:space-around}
.nav a{flex:1;background:none;border:0;color:var(--mut2);display:flex;flex-direction:column;
  align-items:center;gap:3px;font-size:10.5px;font-weight:600;cursor:pointer;padding:2px}
.nav a .ni{font-size:21px;line-height:1}
.nav a.on{color:var(--acc)}
/* grands écrans : centrer la barre et l'app */
@media (min-width:560px){
  .nav{justify-content:center;gap:14px}
  .nav a{flex:0 0 92px}
}
@media (min-width:820px){
  .app{max-width:720px}
  .hero h2{font-size:22px}
}

/* ---------- Install banner ---------- */
.install{position:fixed;left:12px;right:12px;bottom:calc(74px + var(--safe-b));z-index:40;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;
  box-shadow:var(--shadow);display:none;align-items:center;gap:12px;max-width:616px;margin:0 auto}
.install.show{display:flex}
.install p{margin:0;font-size:12.5px;color:var(--mut);flex:1;line-height:1.4}
.install b{color:var(--txt)}
.install button{border:0;border-radius:10px;padding:9px 12px;font-weight:700;font-size:13px;cursor:pointer}
.install .yes{background:var(--acc);color:#fff}
.install .no{background:transparent;color:var(--mut2);padding:9px 4px}

.empty{text-align:center;color:var(--mut);padding:40px 20px;font-size:14px}

/* ---------- Mode vocal : interrupteur, micro, transcription, couverture ---------- */
.toggle{flex:none;width:50px;height:30px;border-radius:99px;border:1px solid var(--line);
  background:var(--card2);position:relative;cursor:pointer;transition:background .2s;padding:0}
.toggle span{position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;
  background:var(--mut2);transition:transform .2s,background .2s}
.toggle.on{background:var(--acc);border-color:var(--acc)}
.toggle.on span{transform:translateX(20px);background:#fff}

.mic-btn{width:88px;height:88px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--acc),var(--acc2));
  color:#fff;font-size:36px;cursor:pointer;box-shadow:var(--shadow);transition:transform .12s}
.mic-btn:active{transform:scale(.94)}
.mic-btn.rec{background:linear-gradient(135deg,var(--bad),#d63b3b);animation:pulse 1.3s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,93,93,.5)}70%{box-shadow:0 0 0 16px rgba(255,93,93,0)}100%{box-shadow:0 0 0 0 rgba(255,93,93,0)}}
.mic-lbl{margin-top:10px;color:var(--mut);font-size:12.5px;font-weight:600}
.transcript{margin-top:14px;text-align:left;background:var(--card2);border:1px solid var(--line);
  border-radius:10px;padding:12px;min-height:56px;font-size:13.5px;line-height:1.5;max-height:200px;overflow-y:auto}
.transcript .ph{color:var(--mut2);font-style:italic}

.cov{margin:0 0 12px}
.cov-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px;font-size:13.5px}
.cov-h span{color:var(--mut);font-size:12px;font-weight:700}
.cov-bar{height:8px;border-radius:99px;background:var(--card2);overflow:hidden}
.cov-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ok),var(--acc));transition:width .4s}

/* ---------- Auto-évaluation notée sur 25 ---------- */
.score-row{display:flex;flex-direction:column;gap:6px;padding:10px 0;border-bottom:1px solid var(--line)}
.score-row:first-child{padding-top:0}
.score-axis{font-size:13.5px;font-weight:700}
.score-opts{display:flex;gap:6px}
.score-opt{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;
  border:1px solid var(--line);border-radius:10px;background:var(--card2);color:var(--mut);
  font-size:16px;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.score-opt span{font-size:10.5px;font-weight:700}
.score-opt.on{border-color:var(--acc);background:rgba(46,120,255,.12);color:var(--txt)}
.score-result{margin-top:14px;text-align:center}
.score-todo{color:var(--mut);font-size:12.5px;font-style:italic}
.score-num{font-size:40px;font-weight:800;line-height:1}
.score-num small{font-size:18px;font-weight:700;color:var(--mut)}
.score-verdict{margin-top:6px;font-size:14px;font-weight:700}
.score-result.pass .score-num,.score-result.pass .score-verdict{color:var(--ok)}
.score-result.fail .score-num,.score-result.fail .score-verdict{color:var(--bad)}