*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f8fafc;color:#0f172a}a{color:inherit;text-decoration:none}.container{max-width:1024px;margin:0 auto;padding:24px}.card{background:#fff;border-radius:12px;padding:16px;border:1px solid #e2e8f0}.grid{display:grid;grid-gap:12px;gap:12px}.btn{display:inline-block;background:#2563eb;color:#fff;padding:10px 14px;border-radius:8px}