:root{--bg: #f3f5f9;--card: #fff;--text: #111827;--muted: #5b6474;--line: #dde2ea;--primary: #1d4ed8;--primary-h: #1e40af;--ok: #15803d;--warn: #b45309;--bad: #b91c1c;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);font-size:17px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}h1{font-size:1.6rem;margin:0 0 .75rem}h2{font-size:1.2rem;margin:0 0 .75rem}code{background:#eef1f6;padding:1px 5px;border-radius:4px;font-size:.9em}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--bad)}.warnText{color:var(--warn)}.badText{color:var(--bad)}.topbar{display:flex;gap:1rem;align-items:center;padding:.7rem 1.25rem;background:#0f172a;color:#fff;flex-wrap:wrap}.topbar.examMode{background:#1e293b}.brand{color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem;display:flex;gap:.5rem;align-items:center}.logo{background:var(--primary);width:1.7rem;height:1.7rem;border-radius:6px;display:inline-grid;place-items:center}.centre{color:#cbd5e1;font-size:.9rem}.spacer{flex:1}.clock{font-variant-numeric:tabular-nums;font-size:.9rem;color:#cbd5e1}.dot:before{content:"●";margin-right:.3rem}.dot.ok:before{color:#4ade80}.dot.bad:before{color:#f87171}.dot{font-size:.85rem}.main{max-width:960px;margin:0 auto;padding:1.25rem 16px 3rem}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.25rem;margin-bottom:1rem}.narrow{max-width:480px;margin-inline:auto}.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap;margin-top:1rem}.row.end{justify-content:flex-end}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.75rem 1.5rem;margin-bottom:1rem}label{display:flex;flex-direction:column;gap:.35rem;font-weight:500}label.check{flex-direction:row;align-items:center;gap:.5rem;font-weight:400}input:not([type]),input[type=number]{font:inherit;padding:.55rem .7rem;border:1px solid #b8c0cc;border-radius:8px}input.invalid{border-color:var(--bad);outline-color:var(--bad)}input[type=checkbox]{width:1.15rem;height:1.15rem}.btn{font:inherit;display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.1rem;border-radius:8px;border:1px solid #b8c0cc;background:#fff;color:var(--text);cursor:pointer;text-decoration:none}.btn:hover:not(:disabled){background:#f1f4f8}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-h)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.big{padding:.8rem 1.6rem;font-size:1.05rem;font-weight:600}.btn.small{padding:.35rem .7rem;font-size:.85rem}.linkbtn{background:none;border:0;font:inherit;color:var(--primary);cursor:pointer;padding:0}.hero p{max-width:60ch}.details{display:grid;grid-template-columns:max-content 1fr;gap:.45rem 1.5rem;margin:0}.details dt{color:var(--muted)}.details dd{margin:0;font-weight:500}.rules ul{padding-left:1.2rem;line-height:1.6}.kiosk{padding:.75rem 1rem;border-radius:8px;margin:1rem 0}.kiosk.ok{background:#ecfdf3;color:var(--ok)}.kiosk.warn{background:#fff7ed;color:var(--warn)}.kiosk p{margin:.5rem 0 0}html.locked,html.locked *{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.exam{font-size:1.1rem}.examhead{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap;margin-bottom:.5rem}.cat{color:var(--muted);font-size:.9rem}.badge{font-size:.8rem;padding:.2rem .55rem;border-radius:99px;font-weight:600}.badge.warn{background:#fff7ed;color:var(--warn)}.badge.bad{background:#fef2f2;color:var(--bad)}.timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.3rem}.timer.low{color:var(--bad)}.bar{height:6px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:1rem}.bar div{height:100%;background:var(--primary);transition:width .2s linear}.bar div.low{background:var(--bad)}.qhead{display:flex;gap:1rem;justify-content:space-between;align-items:flex-start}.qhead h2{font-size:1.35rem;line-height:1.4}.qimg{width:140px;height:140px;display:block;margin:.5rem 0 1rem;pointer-events:none}.options{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}.option{width:100%;display:flex;gap:.8rem;align-items:center;text-align:left;font:inherit;padding:.85rem 1rem;border:2px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--text)}.option:hover{border-color:#9fb3d9}.option.sel{border-color:var(--primary);background:#eef3ff}.key{font-size:.8rem;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:0 .35rem}.box{width:1.1rem;height:1.1rem;border:2px solid #8b95a5;flex:none}.box.rd{border-radius:50%}.box.sq{border-radius:3px}.option.sel .box{border-color:var(--primary);background:var(--primary);box-shadow:inset 0 0 0 3px #fff}.log table,.review{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:.75rem}.review th,.review td,.log td{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}tr.bad td{color:var(--bad)}.mark{text-align:center;width:2rem}.caps td:first-child{font-weight:500}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;display:grid;place-items:center;padding:16px;z-index:10}.modal{background:#fff;border-radius:12px;padding:1.5rem;max-width:460px;width:100%}.result .verdict{font-size:2.4rem;font-weight:800;margin:.25rem 0 .75rem}.verdict.pass{color:var(--ok)}.verdict.fail,.verdict.terminated{color:var(--bad)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.75rem}.stats div{background:var(--bg);border-radius:8px;padding:.75rem;display:flex;flex-direction:column}.stats b{font-size:1.4rem}.stats span{color:var(--muted);font-size:.85rem}.blocked{min-height:100vh;display:grid;place-items:center;padding:16px}.blocked .card{max-width:520px}@media(max-width:600px){:root{font-size:16px}.details{grid-template-columns:1fr;gap:.1rem}.details dd{margin-bottom:.5rem}.qhead{flex-direction:column}.review{display:block;overflow-x:auto}}