:root{--ink:#0f172a;--accent:#7c3aed;--muted:#64748b}*{box-sizing:border-box}html,body{color:var(--ink);background:#fff;margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (pointer:coarse){input,textarea,select{font-size:16px}}.wrap{max-width:720px;margin:0 auto;padding:48px 20px}pre{color:#e2e8f0;white-space:pre-wrap;background:#0b1120;border-radius:12px;padding:16px;font-size:13px;line-height:1.5;overflow:auto}code{font-family:ui-monospace,SF Mono,Menlo,monospace}.btn{background:var(--accent);color:#fff;border-radius:10px;padding:12px 20px;font-weight:600;text-decoration:none;display:inline-block}.card{border:1px solid #e2e8f0;border-radius:16px;padding:24px}.muted{color:var(--muted)}