:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{background:#f4f5f7;justify-content:center;margin:0;padding:1.5rem;display:flex}.card{background:#fff;border-radius:16px;width:100%;max-width:560px;padding:1.5rem 1.75rem;box-shadow:0 8px 30px #00000014}h1{margin-top:0}.muted{color:#666}.question{border:1px solid #e3e5e8;border-radius:12px;margin:1rem 0;padding:.75rem 1rem}.question legend{padding:0 .4rem;font-weight:600}.option{cursor:pointer;border:1px solid #e3e5e8;border-radius:8px;align-items:center;gap:.6rem;margin:.35rem 0;padding:.55rem .7rem;display:flex}.option.correct{background:#e9f9f0;border-color:#1aab5b}.option.wrong{background:#fdeaf0;border-color:#e0245e}button{color:#fff;cursor:pointer;background:#6c5ce7;border:none;border-radius:10px;width:100%;padding:.8rem;font-size:1rem;font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}.result{text-align:center;margin-top:1rem}