body{font-family:system-ui,-apple-system,sans-serif;max-width:46rem;margin:0 auto;padding:2rem 1.2rem;line-height:1.6;color:#1d2433}
h1{font-size:2rem;line-height:1.2}a{color:#2456c4}.btn{display:inline-block;background:#2456c4;color:#fff;padding:.8rem 1.4rem;border-radius:.5rem;text-decoration:none;font-weight:600}
.todo{border:2px dashed #c47a00;background:#fff7e6;padding:1rem;border-radius:.5rem}footer{margin-top:3rem;font-size:.9rem;color:#666;border-top:1px solid #ddd;padding-top:1rem}
code{background:#f1f3f7;padding:0 .2rem;border-radius:.2rem}