body{font-family:system-ui,sans-serif;max-width:46rem;margin:2rem auto;padding:0 1rem;line-height:1.55;color:#1a1a1a}
h1{font-size:1.6rem}
h2{margin-top:1.8rem}
a{color:#0b57d0}
code{background:#f1f3f4;padding:.1rem .3rem;border-radius:4px}
.narrow{max-width:38rem;margin-top:3rem}
button{font-size:1rem;padding:.6rem 1.2rem;border-radius:8px;border:none;background:#b3261e;color:#fff;cursor:pointer;margin-top:1rem}
button[disabled]{opacity:.5;cursor:default}
#status{margin-top:1.2rem;padding:.9rem;border-radius:8px;display:none}
#status.ok{display:block;background:#e6f4ea}
#status.err{display:block;background:#fce8e6}