:root{--accent:#4f41b8;--accent-lt:#ebe8fa;--navy:#202b55;--ink:#17213e;--ink-2:#4a5372;--ink-3:#767e9b;--rule:#e3e5f0;--paper:#f7f7fb;--surface:#fff;--good:#1f6b47;--warn:#8a5a0b;--bad:#a32d2d;--track:#ecf0f4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6}.wrap{max-width:860px;margin:0 auto;padding:24px 16px 70px}.top{background:var(--navy);border-bottom:4px solid var(--accent);padding:14px 0}.top .wrap{padding:0 16px;display:flex;align-items:baseline;gap:12px}.top b{color:#fff;font-size:18px}.top span{color:#9fb6cb;font-size:12px}.card{background:var(--surface);border:1px solid var(--rule);border-radius:16px;padding:26px;margin-top:20px;box-shadow:0 2px 10px rgba(32,43,85,.05)}h1{font-size:26px;margin:0 0 8px}h1,h2{color:var(--navy)}h2{font-size:19px;margin:0 0 12px}h3{color:var(--navy);font-size:15px;margin:16px 0 8px}p.sub{font-size:14px;margin:0 0 8px}label.fld,p.sub{color:var(--ink-3)}label.fld{display:block;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin:14px 0 5px}input,select{width:100%;padding:11px 13px;border:1.5px solid #d4dce4;border-radius:10px;font-size:15px;background:#fbfcfd;font-family:inherit}input:focus,select:focus{outline:none;border-color:var(--accent);background:#fff}button{border:0;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}.btn-p{background:var(--accent);color:#fff}.btn-p:disabled{opacity:.45;cursor:not-allowed}.btn-s{background:var(--accent-lt);color:var(--navy)}.row{display:flex;gap:14px;flex-wrap:wrap}.row>div{flex:1 1;min-width:220px}.instr{background:#e8f0f8;border-radius:10px;padding:13px 15px;font-size:13.5px;color:var(--navy);margin:12px 0}.err{color:var(--bad);font-size:13px;margin-top:8px}.q{border-bottom:1px solid #eff3f6;padding:16px 0}.q:last-child{border-bottom:0}.qt{font-weight:600;font-size:15px;margin-bottom:10px}.qt small{color:var(--accent);font-weight:800;margin-right:8px}.opt{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1.5px solid #e6ebf0;border-radius:10px;margin:6px 0;cursor:pointer;font-size:14.5px;background:#fbfcfd}.opt.on,.opt:hover{border-color:var(--accent)}.opt.on{background:var(--accent-lt)}.pair{font-family:Consolas,monospace;font-size:13px;background:#f5f7fa;padding:10px 12px;border-radius:8px;margin-bottom:8px;word-break:break-all}.timer{font-size:14px;font-weight:700;color:var(--accent);background:var(--accent-lt);padding:6px 14px;border-radius:20px;float:right}.timer.low{color:var(--bad);background:#fbe9e9}.chip{display:inline-block;background:var(--accent);color:#fff;padding:7px 14px;border-radius:18px;font-size:13px;font-weight:600;margin:4px 6px 4px 0}.chip small{display:block;font-size:9px;opacity:.8;font-weight:700;letter-spacing:.06em}.bar-row{display:flex;align-items:center;gap:10px;margin:8px 0}.bar-row .lb{width:230px;font-size:13.5px;flex-shrink:0}.bar-row .tk{flex:1 1;height:12px;background:var(--track);border-radius:6px;overflow:hidden}.bar-row .tk i{display:block;height:100%;background:var(--accent);border-radius:6px}.bar-row .vl{width:24px;font-weight:700;font-size:13.5px;text-align:right}.band-Strong{color:var(--good);font-weight:700}.band-Moderate{color:var(--warn);font-weight:700}.band-Developing{color:var(--bad);font-weight:700}.verdict{background:#dff0ea;border-radius:12px;padding:15px 17px;font-weight:700;color:#085041;margin:14px 0}table.snap{width:100%;border-collapse:collapse}table.snap td{padding:8px 10px;font-size:13.5px;border-bottom:1px solid #eff3f6}table.snap tr td:last-child{text-align:right}ul.blt{list-style:none;margin:8px 0;padding:0}ul.blt li{padding-left:16px;position:relative;font-size:13.5px;margin:6px 0}ul.blt li:before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:var(--accent)}.foot{text-align:center;font-size:11px;color:var(--ink-3);font-style:italic;margin-top:24px}