:root{--bg:#f7f7f8;--surface:#fff;--text:#1c1b1f;--text-muted:#6b6875;--border:#e3e1e8;--accent:#3b5bdb;--accent-bg:#3b5bdb1a;--correct:#2b8a3e;--correct-bg:#2b8a3e1f;--incorrect:#c92a2a;--incorrect-bg:#c92a2a1a;--warning:#b35c00;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#141317;--surface:#1e1d22;--text:#ecebf0;--text-muted:#a09dab;--border:#34323b;--accent:#7c95f2;--accent-bg:#7c95f226;--correct:#69db7c;--correct-bg:#69db7c1f;--incorrect:#ff8787;--incorrect-bg:#ff87871f;--warning:#ffa94d}}*{box-sizing:border-box}body{background:var(--bg);margin:0}.page,.status{max-width:640px;padding:calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));margin:0 auto}.status{text-align:center;color:var(--text-muted);padding-top:48px}.page__header h1{margin:0 0 4px;font-size:1.4rem}.page__meta{color:var(--text-muted);margin:0 0 16px;font-size:.9rem}.save--error{color:var(--warning)}.summary{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:12px;margin-bottom:16px;padding:16px}.summary__score{margin:0;font-size:2.2rem;font-weight:700}.summary__detail{color:var(--text-muted);margin:0}.question{background:var(--surface);border:1px solid var(--border);border-radius:12px;min-width:0;margin:0 0 12px;padding:12px 16px 16px}.question--correct{border-color:var(--correct)}.question--incorrect,.question--unanswered{border-color:var(--incorrect)}.question__header{float:left;align-items:center;gap:8px;width:100%;padding:0;display:flex}.question__index{color:var(--text-muted);font-size:.85rem;font-weight:600}.question__prompt{clear:both;margin:8px 0 12px;font-size:1.1rem}.question__options{gap:8px;display:grid}.option{border:1px solid var(--border);cursor:pointer;border-radius:10px;align-items:center;gap:10px;min-height:48px;padding:10px 12px;display:flex}.option--selected{border-color:var(--accent);background:var(--accent-bg)}.option input{width:20px;height:20px;accent-color:var(--accent);margin:0}.badge{border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:600}.badge--correct{color:var(--correct);background:var(--correct-bg)}.badge--incorrect,.badge--unanswered{color:var(--incorrect);background:var(--incorrect-bg)}.page__footer{margin-top:8px}.warning{color:var(--warning);margin:0 0 8px}.button{font:inherit;border:1px solid var(--border);background:var(--surface);min-height:48px;color:var(--text);cursor:pointer;border-radius:10px;padding:0 20px;font-weight:600}.button--primary{background:var(--accent);color:#fff;border:none;width:100%}.button:disabled{opacity:.6}