:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#0f172a;background:#f8fafc}*{box-sizing:border-box}body{margin:0}.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:10px 14px;border:1px solid #cbd5e1;background:#fff;color:#0f172a;text-decoration:none;cursor:pointer}.btn.btn-primary{background:#111827;border-color:#111827;color:#fff}.input{width:100%;height:40px;border-radius:8px;border:1px solid #cbd5e1;padding:0 12px}