body{font-family:system-ui,sans-serif;max-width:760px;margin:2rem auto;padding:0 1rem;background:#0f1115;color:#e8e8ea}
input,textarea,button{display:block;width:100%;margin:.3rem 0;padding:.5rem;border-radius:6px;border:1px solid #333;background:#181b22;color:inherit}
button{background:#ff8a3d;color:#111;font-weight:600;cursor:pointer}section{margin:1.5rem 0}pre{white-space:pre-wrap;font-size:12px}