:root{color:#1a2330;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{background:#f3f5f8;margin:0}.card{background:#fff;border-radius:12px;max-width:30rem;margin:4rem auto;padding:2rem;box-shadow:0 1px 4px #00000014}h1{margin-top:0;font-size:1.4rem}.muted{color:#5b6675;font-size:.9rem}input{box-sizing:border-box;width:100%;margin:.4rem 0 1rem;padding:.6rem .7rem;font-size:1rem}button{color:#fff;cursor:pointer;background:#1f6feb;border:0;border-radius:8px;padding:.6rem 1.2rem;font-size:1rem}button:disabled{cursor:default;background:#9bb6e3}ul{padding-left:1.1rem}