:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f5f7fb;color:#0f172a}a{color:inherit;text-decoration:none}.container{width:min(1100px,92%);margin:0 auto}.card{background:#ffffff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 8px 22px rgba(15,23,42,.06)}.btn{display:inline-block;border:none;border-radius:10px;padding:12px 18px;font-weight:600;cursor:pointer}.btn-primary{background:#0057ff;color:#ffffff}.btn-outline{background:#ffffff;border:1px solid #cbd5e1;color:#1e293b}.muted{color:#64748b}.grid{display:grid;grid-gap:18px;gap:18px}@media (min-width:900px){.grid-2{grid-template-columns:1fr 1fr}}