:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#1f2937;background:#f4f6f8;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;background:#e5e7eb;border:0;border-radius:10px;padding:.7rem 1rem}button.primary{color:#fff;background:#2563eb}.editor-shell{max-width:920px;margin:0 auto;padding:32px 20px 48px}.topbar{justify-content:space-between;align-items:start;gap:16px;margin-bottom:20px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:#6b7280;margin:0 0 6px;font-size:12px}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:32px}h2{margin-bottom:0;font-size:18px}.actions{gap:8px;display:flex}.panel{background:#fff;border:1px solid #dbe2ea;border-radius:18px;margin-bottom:16px;padding:20px;box-shadow:0 8px 24px #0f172a0f}label{gap:8px;margin-bottom:16px;font-size:14px;font-weight:600;display:grid}input,textarea,select{background:#fff;border:1px solid #cbd5e1;border-radius:12px;width:100%;padding:12px}textarea{resize:vertical;min-height:92px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.section-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.choices{gap:12px;display:grid}.choice{border:1px solid #dbe2ea;border-radius:14px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:12px;display:grid}.choice.correct{background:#eff6ff;border-color:#93c5fd}.choice-label{background:#e5e7eb;border-radius:999px;place-items:center;width:2.25rem;height:2.25rem;font-weight:700;display:grid}.choice.correct .choice-label{color:#fff;background:#2563eb}.choice input[type=checkbox]{width:auto}.check{align-items:center;gap:8px;margin:0;font-weight:500;display:flex}@media (width<=720px){.topbar,.section-head,.choice{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.actions,.grid{grid-template-columns:1fr}}