:root{--navy:#0b2545;--navy2:#13315c;--navy3:#1d4477;--orange:#f28c28;--orange2:#ffb35c;--ok:#22a06b;--bad:#e5484d;--txt:#eef3fa;--muted:#9fb3cc;--card:#13315c;--radius:16px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--navy);color:var(--txt);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}
body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
button{font:inherit;color:inherit;cursor:pointer;border:0}
.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:rgba(11,37,69,.96);border-bottom:1px solid #ffffff14;backdrop-filter:blur(6px)}
.brand{display:flex;gap:8px;align-items:center;font-weight:700;letter-spacing:.5px}
.brand b{color:var(--orange)}
.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--orange);color:var(--navy);font-weight:900}
.chips{display:flex;gap:6px}
.chip{background:var(--navy2);padding:4px 10px;border-radius:999px;font-size:14px}
main{max-width:640px;margin:0 auto;padding:14px}
.loading{text-align:center;color:var(--muted);margin-top:40px}
h2{font-size:20px;margin:18px 0 10px}
h3{font-size:17px;margin:0 0 6px}
.muted{color:var(--muted);font-size:14px}
.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;border:1px solid #ffffff10}
.card.hero{background:linear-gradient(135deg,var(--navy3),var(--navy2));border:1px solid var(--orange)}
.btn{display:block;width:100%;padding:14px;border-radius:12px;background:var(--orange);color:var(--navy);font-weight:800;font-size:17px;margin-top:12px;text-align:center}
.btn.sec{background:var(--navy3);color:var(--txt);font-weight:600}
.btn.small{display:inline-block;width:auto;padding:8px 14px;font-size:14px;margin-top:8px}
.btn:disabled{opacity:.5}
.row{display:flex;gap:10px}
.row>*{flex:1}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.stat{background:var(--navy2);border-radius:12px;padding:10px;text-align:center}
.stat b{display:block;font-size:22px;color:var(--orange)}
.stat span{font-size:12px;color:var(--muted)}
.qhead{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:8px;gap:8px}
.bar{height:8px;border-radius:99px;background:#ffffff1a;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--orange);border-radius:99px;transition:width .3s}
.bar.ok>i{background:var(--ok)}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:99px;background:var(--navy3);color:var(--orange2);margin:0 4px 6px 0}
.question{font-size:18px;font-weight:600;margin:6px 0 14px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{text-align:left;padding:14px;border-radius:12px;background:var(--navy3);border:2px solid transparent;font-size:16px}
.opt:active{transform:scale(.99)}
.opt.correct{border-color:var(--ok);background:#22a06b33}
.opt.wrong{border-color:var(--bad);background:#e5484d33}
.opt.chosen{border-color:var(--orange)}
.opt:disabled{cursor:default}
.feedback{margin-top:14px;padding:14px;border-radius:12px;background:#0b254599;border-left:5px solid var(--ok)}
.feedback.bad{border-left-color:var(--bad)}
.feedback .verdict{font-weight:800;font-size:18px;margin-bottom:6px}
.ref{margin-top:8px;font-size:14px;color:var(--orange2)}
.scenario{background:#f4efe6;color:#1b1b1b;border-radius:var(--radius);padding:0;overflow:hidden;margin-bottom:12px}
.scenario .stripe{height:12px;background:repeating-linear-gradient(45deg,#f2c200 0 14px,#1b1b1b 14px 28px)}
.scenario .body{padding:16px}
.scenario .lbl{font-size:12px;font-weight:800;letter-spacing:1px;color:#b35a00;text-transform:uppercase}
.scenario .question{color:#1b1b1b}
.pf{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pf .opt{text-align:center;font-weight:800;font-size:18px;padding:18px 8px}
.pf .opt.pasa{background:#22a06b;color:#fff}
.pf .opt.nopasa{background:#e5484d;color:#fff}
.pf .opt.correct{outline:4px solid #fff;border-color:#fff}
.pf .opt.wrong{opacity:.55}
.pf .opt.dim{opacity:.35}
.scenario .feedback{background:#fff;color:#1b1b1b}
.scenario .ref{color:#b35a00}
.map{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.doc{border-radius:14px;padding:12px 8px;text-align:center;background:var(--navy2);min-height:112px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid #ffffff10}
.doc .L{font-size:28px;font-weight:900;color:var(--orange)}
.doc .n{font-size:12px;line-height:1.2}
.doc .s{font-size:11px;color:var(--muted)}
.doc.locked{opacity:.45}
.doc.locked .L{color:var(--muted)}
.doc.open{border-color:var(--orange)}
.secrow{padding:10px 0;border-bottom:1px solid #ffffff12}
.secrow:last-child{border-bottom:0}
.secrow .t{display:flex;justify-content:space-between;gap:8px;font-size:14px;margin-bottom:6px}
.secrow button{background:none;color:var(--orange2);font-size:13px;padding:0}
.timer{font-variant-numeric:tabular-nums;font-weight:800;color:var(--orange)}
.timer.low{color:var(--bad)}
.result{text-align:center}
.result .big{font-size:56px;font-weight:900;color:var(--orange)}
.review{font-size:14px;border-top:1px solid #ffffff14;padding-top:10px;margin-top:10px}
.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--navy2);border-top:1px solid #ffffff14;padding-bottom:env(safe-area-inset-bottom);z-index:5}
.tabs button{flex:1;background:none;padding:8px 0 10px;display:flex;flex-direction:column;align-items:center;font-size:20px;color:var(--muted)}
.tabs button span{font-size:12px}
.tabs button.active{color:var(--orange)}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--orange);color:var(--navy);font-weight:800;padding:10px 16px;border-radius:99px;z-index:9}
input[type=range]{width:100%;accent-color:var(--orange)}
.danger{background:var(--bad)!important;color:#fff!important}
.seg{display:flex;background:var(--navy2);border-radius:12px;padding:4px;gap:4px;margin-bottom:12px}
.seg button{flex:1;background:none;border-radius:9px;padding:8px 4px;font-size:13px;font-weight:600;color:var(--muted);line-height:1.2}
.seg button small{display:block;font-size:11px;font-weight:400;opacity:.8}
.seg button.on{background:var(--orange);color:var(--navy)}
.ref .links{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:6px}
.srclink{color:var(--orange2);font-weight:700;text-decoration:underline;font-size:14px}
.scenario .srclink{color:#b35a00}
.chips{gap:4px;flex-wrap:wrap;justify-content:flex-end}
.chip{display:inline-flex;align-items:center;gap:2px;font-size:13px;padding:3px 8px}
.ring{display:inline-flex}
.goalcard .goalrow{display:flex;gap:14px;align-items:center}
.goalcard .goalrow>div{flex:1}
.small{font-size:12px}
.notice{border-color:#4ea1ff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid2 .card{margin-bottom:0}
.grid2 .btn{font-size:15px;padding:12px 6px}
.grid2+*{margin-top:12px}
.scope{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.scope select{flex:1;min-width:0;background:var(--navy2);color:var(--txt);border:1px solid #ffffff22;border-radius:10px;padding:10px;font:inherit}
.scope .seg{width:100%;margin-bottom:0}
.combo{font-weight:800;color:var(--orange)}
.combo.hot{animation:pulse .6s ease-in-out infinite alternate}
@keyframes pulse{from{transform:scale(1)}to{transform:scale(1.12)}}
.pop{animation:pop .25s ease-out}
@keyframes pop{from{transform:scale(.97);opacity:.4}to{transform:none;opacity:1}}
.shake{animation:shake .35s}
@keyframes shake{25%{transform:translateX(-5px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.opt.correct{animation:pop .3s}
.chest{display:block;width:100%;margin-top:12px;padding:14px;border-radius:12px;background:#4ea1ff22;border:2px dashed #4ea1ff;font-weight:800}
.chest.open{border-style:solid;background:#22a06b33;border-color:var(--ok)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:20}
.lrow{display:grid;grid-template-columns:32px 1fr auto;gap:8px;padding:9px 4px;border-bottom:1px solid #ffffff12}
.lrow.me{background:#f28c2833;border-radius:8px;font-weight:800}
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.badge{background:var(--navy2);border-radius:12px;padding:10px 6px;text-align:center;opacity:.5;display:flex;flex-direction:column;gap:2px;font-size:13px}
.badge.on{opacity:1;border:1px solid var(--orange)}
.badge .bi{font-size:28px}
.badge small{color:var(--muted);font-size:11px}
.crowns{white-space:nowrap}
.toggle{display:flex;gap:8px;align-items:center;margin:10px 0;font-size:15px}
.toggle input{width:20px;height:20px;accent-color:var(--orange)}
.doc .bar{width:80%;height:5px}
.about{max-width:640px;margin:8px auto 0;padding:14px 16px 20px;color:var(--muted);font-size:13px;border-top:1px solid #ffffff14}
.about a{color:var(--orange2)}
.about ul{padding-left:18px}
.tabs button span{font-size:11px}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
.toast{pointer-events:none}
.about{padding-bottom:96px}
.top .brand{flex-shrink:0}
@media (max-width:420px){.chip{font-size:12px;padding:2px 6px}.top .brand span:last-child{font-size:15px}}