:root{--bg:#0e2238;--surface:#17324f;--surface-2:#1f3f61;--line:#2b4d73;--text:#f2f6fb;--muted:#9db3cb;--accent:#15b400;--accent-text:#fff;--ok:#19c37d;--ok-bg:#19c37d29;--bad:#ff6b6b;--bad-bg:#ff6b6b29;--warn:#f5a524;--radius:16px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior-y:contain;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.4}h1{font-size:20px}h2{font-size:18px}h3{font-size:16px}.muted{color:var(--muted)}.small{font-size:13px}.page{flex-direction:column;max-width:520px;min-height:100%;margin:0 auto;display:flex}.topbar{padding:calc(var(--safe-top) + 10px) 12px 6px;background:var(--bg);z-index:5;justify-content:space-between;align-items:center;gap:8px;display:flex;position:sticky;top:0}.topbar h1{text-align:center;flex:1;font-size:17px}.icon-btn{width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:12px;font-size:22px}.icon-btn.ghost{visibility:hidden}.content{flex-direction:column;flex:1;gap:12px;padding:12px 16px 24px;display:flex}.actions{padding:12px 16px calc(var(--safe-bottom) + 12px);background:linear-gradient(to top, var(--bg) 70%, transparent);flex-direction:column;gap:4px;display:flex;position:sticky;bottom:0}.center{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:60vh;display:flex}.spinner{border:4px solid #15b40040;border-top-color:var(--accent);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.btn{cursor:pointer;min-height:52px;color:var(--text);background:var(--surface-2);border:0;border-radius:14px;justify-content:center;align-items:center;padding:0 20px;font-size:16px;font-weight:600;text-decoration:none;display:inline-flex}.btn.primary{background:var(--accent);color:var(--accent-text)}.btn.big{min-height:58px;font-size:18px}.btn.link{color:var(--muted);background:0 0;min-height:44px;font-weight:500}.btn.small{min-height:36px;padding:0 8px;font-size:14px}.btn:disabled{opacity:.45;cursor:default}.btn:focus-visible,.opt:focus-visible,.seg:focus-visible,.input:focus-visible{outline-offset:2px;outline:3px solid #6ea8fe}.stack{flex-direction:column;gap:14px;display:flex}.field{color:var(--muted);flex-direction:column;gap:6px;font-size:14px;display:flex}.input{border:1px solid var(--line);background:var(--surface);min-height:52px;color:var(--text);border-radius:12px;width:100%;padding:0 14px;font-size:17px}.input.code,.input.otp{text-align:center;letter-spacing:.18em;text-transform:uppercase;font-size:24px;font-weight:700}.input.otp{text-transform:none}.card{background:var(--surface);border-radius:var(--radius);padding:16px}.notice{background:var(--surface-2);border-radius:12px;padding:12px 14px;font-size:14px}.notice.error{background:var(--bad-bg);color:#ffc9c9}.notice.warn{color:#ffd699;background:#f5a52429}.home-head{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.hello{margin-top:2px;font-size:24px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px;font-size:12px}.big-line{font-size:20px;font-weight:700}.today{background:linear-gradient(135deg, #1b4a2e, var(--surface))}.stats{grid-template-columns:1fr 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.25s;display:block}.session .progress-wrap{flex-direction:column;flex:1;align-items:center;gap:4px;display:flex}.session .progress-wrap .bar{width:100%}.question{gap:14px}.q-title{font-size:21px;line-height:1.25}.options{flex-direction:column;gap:10px;display:flex}.options.grid{grid-template-columns:1fr 1fr;display:grid}.options.chips{flex-flow:wrap}.opt{border:2px solid var(--line);background:var(--surface);min-height:56px;color:var(--text);text-align:left;cursor:pointer;border-radius:14px;align-items:center;gap:10px;padding:10px 14px;font-size:16px;display:flex}.options.chips .opt{min-height:48px}.opt.sel{background:#1d3f68;border-color:#6ea8fe}.opt.ok{border-color:var(--ok);background:var(--ok-bg)}.opt.bad{border-color:var(--bad);background:var(--bad-bg)}.opt:disabled{opacity:.4}.box{border:2px solid var(--muted);border-radius:6px;flex:none;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;display:inline-flex}.opt.sel .box,.opt.ok .box{background:currentColor}.opt.sel .box{color:#0e2238;background:#6ea8fe;border-color:#6ea8fe}.opt.ok .box{background:var(--ok);border-color:var(--ok);color:#0e2238}.opt.bad .box{background:var(--bad);border-color:var(--bad);color:#0e2238}.chips.ing{flex-wrap:wrap;gap:8px;display:flex}.chip.static{background:var(--surface-2);border-radius:999px;padding:8px 12px;font-weight:600}.confidence{grid-template-columns:1fr 1fr;gap:8px;margin-top:4px;display:grid}.seg{border:1px solid var(--line);min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border-radius:12px;font-size:15px}.seg.on{background:var(--surface-2);color:var(--text);border-color:#6ea8fe;font-weight:700}.feedback{border-radius:14px;flex-direction:column;gap:4px;padding:14px;display:flex}.feedback.ok{background:var(--ok-bg);color:#b8f5d9}.feedback.bad{background:var(--bad-bg);color:#ffd0d0}.feedback b{font-size:18px}.feedback 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