:root{--bg:#0b0d12;--surface:#12151d;--surface-hi:#1a1f2b;--line:#94a3b824;--line-strong:#94a3b847;--accent:#3b82f6;--accent-dim:#3b82f624;--correct:#22c55e;--correct-dim:#22c55e24;--wrong:#ef4444;--wrong-dim:#ef444424;--warn:#f59e0b;--road:#232b3a;--text:#f1f5f9;--text-dim:#94a3b8;--text-faint:#64748b;--fs-question:clamp(1.5rem, 1.9vw + 1rem, 2.15rem);--fs-option:clamp(1.15rem, 1.1vw + .85rem, 1.45rem);--fs-ui:.95rem;--fs-eyebrow:.72rem;--track-eyebrow:.18em;--radius:10px;--gap:1rem;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:var(--fs-ui);-webkit-font-smoothing:antialiased;margin:0}.num{font-family:var(--mono);font-variant-numeric:tabular-nums}.app{flex-direction:column;min-height:100%;display:flex}.page{flex:1;width:100%;max-width:940px;margin:0 auto;padding:2rem 1.5rem 4rem}.topbar{border-bottom:1px solid var(--line);background:var(--surface);align-items:center;gap:1rem;padding:.75rem 1.5rem;display:flex}.topbar-brand{cursor:pointer;color:var(--text);letter-spacing:.02em;background:0 0;border:0;padding:0;font-size:1rem;font-weight:650}.topbar-brand:disabled{cursor:default}.topbar-tenant{color:var(--text-dim);border-left:1px solid var(--line-strong);padding-left:1rem}.topbar-right{align-items:center;gap:.75rem;margin-left:auto;display:flex}.topbar-locales{border:1px solid var(--line-strong);border-radius:var(--radius);display:flex;overflow:hidden}.topbar-locale{color:var(--text-faint);cursor:pointer;background:0 0;border:0;padding:.35rem .6rem}.topbar-locale.on{background:var(--accent-dim);color:var(--text)}.topbar-logout{border:1px solid var(--line-strong);color:var(--text-dim);border-radius:var(--radius);cursor:pointer;background:0 0;padding:.35rem .8rem}.timer{letter-spacing:.04em;font-size:1.35rem;font-weight:600}.timer.low{color:var(--wrong)}.qv-image{border-radius:var(--radius);border:1px solid var(--line);max-width:100%;margin-bottom:1.25rem}.qv-text{font-size:var(--fs-question);margin:0 0 1.5rem;line-height:1.45}.qv-options{flex-direction:column;gap:.6rem;display:flex}.qv-option{text-align:left;width:100%;font-size:var(--fs-option);color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;align-items:center;gap:.9rem;padding:.9rem 1.1rem;transition:border-color .12s,background .12s;display:flex}.qv-option:hover:not(:disabled){border-color:var(--line-strong);background:var(--surface-hi)}.qv-option:disabled{cursor:default}.qv-option.picked{border-color:var(--accent);background:var(--accent-dim)}.qv-option.right{border-color:var(--correct);background:var(--correct-dim)}.qv-option.wrong{border-color:var(--wrong);background:var(--wrong-dim)}.qv-key{font-family:var(--mono);color:var(--text-faint);border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:5px;flex-shrink:0;padding:.15rem .4rem;font-size:.75rem}.qv-explanation{border-top:1px solid var(--line);color:var(--text-dim);margin-top:1.25rem;padding-top:1rem;line-height:1.55}.btn{border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--surface);color:var(--text);cursor:pointer;padding:.7rem 1.4rem;font-size:1rem}.btn:hover:not(:disabled){background:var(--surface-hi)}.btn:disabled{opacity:.4;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn-row{gap:.75rem;margin-top:1.75rem;display:flex}.login{flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:100vh;padding:1.5rem;display:flex}.login-brand{letter-spacing:.02em;font-size:1.6rem;font-weight:650}.login-hint{color:var(--text-dim);margin:0 0 .75rem}.login-input{font-family:var(--mono);letter-spacing:.12em;text-align:center;text-transform:uppercase;background:var(--surface);width:min(420px,100%);color:var(--text);border:1px solid var(--line-strong);border-radius:var(--radius);padding:.9rem 1rem;font-size:1.5rem}.login-input:focus{border-color:var(--accent);outline:none}.login-error{color:var(--wrong);min-height:1.4em}.home-grid{gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:2rem;display:grid}.home-card{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--text);cursor:pointer;padding:2rem 1.5rem;font-size:1.3rem;font-weight:600}.home-card:hover{border-color:var(--accent);background:var(--surface-hi)}.home-card span{color:var(--text-dim);margin-top:.4rem;font-size:.9rem;font-weight:400;display:block}.ticket-grid{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:.6rem;margin-top:1.5rem;display:grid}.ticket-tile{aspect-ratio:1;font-family:var(--mono);background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;place-items:center;font-size:1.1rem;display:grid}.ticket-tile:hover{border-color:var(--accent);background:var(--surface-hi)}.meta{color:var(--text-dim);align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.result{text-align:center;padding-top:3rem}.result-verdict{margin:0 0 .5rem;font-size:2rem;font-weight:700}.result-verdict.pass{color:var(--correct)}.result-verdict.fail{color:var(--wrong)}.result-score{margin:1rem 0;font-size:3.5rem;font-weight:700}.result-reason{color:var(--warn)}.modal-backdrop{background:#0009;place-items:center;padding:1.5rem;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);text-align:center;max-width:380px;padding:1.75rem}.q-rail{align-items:baseline;gap:1.5rem;margin-bottom:.9rem;display:flex}.q-eyebrow{font-size:var(--fs-eyebrow);letter-spacing:var(--track-eyebrow);text-transform:uppercase;color:var(--text-faint);font-weight:600}.q-eyebrow b{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--text);margin-left:.45em;font-weight:600}.q-rail-end{align-items:center;gap:1rem;margin-left:auto;display:flex}.q-road{background-image:repeating-linear-gradient(to right, var(--road) 0 14px, transparent 14px 24px);border-radius:3px;height:6px;margin-bottom:1.75rem;position:relative}.q-road-done{background:var(--accent);border-radius:3px;transition:width .25s;position:absolute;inset:0 auto 0 0}.q-road-here{background:var(--text);border-radius:2px;width:3px;height:12px;transition:left .25s;position:absolute;top:-3px}.qv-split{align-items:start;gap:1.5rem;display:grid}@media (width>=1100px){.qv-split{grid-template-columns:minmax(0,42%) minmax(0,1fr)}.qv-split .qv-image{margin-bottom:0;position:sticky;top:1rem}}.qv-text{font-weight:500}.qv-option{gap:1.05rem;padding:1.05rem 1.2rem}.q-nav{border-top:1px solid var(--line);align-items:center;gap:.75rem;margin-top:2rem;padding-top:1.25rem;display:flex}.q-nav-end{gap:.75rem;margin-left:auto;display:flex}.q-nav .btn{min-width:7.5rem}.q-keys{color:var(--text-faint);align-items:center;gap:.4rem;font-size:.8rem;display:flex}.q-keys kbd{font-family:var(--mono);border:1px solid var(--line-strong);color:var(--text-dim);border-bottom-width:2px;border-radius:5px;padding:.1rem .35rem;font-size:.72rem}@media (width<=720px){.q-keys{display:none}}