:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,sans-serif;background:#0b1020;color:#e8ecff}body{margin:0}.layout{max-width:720px;margin:0 auto;padding:24px;display:grid;gap:16px}.panel{background:#151b31;border:1px solid #2a3358;border-radius:12px;padding:16px}.muted{color:#9aa5d1}label{display:grid;gap:6px;margin-bottom:10px}input{padding:8px 10px;border-radius:8px;border:1px solid #33406d;background:#0f1428;color:inherit}.actions{display:flex;gap:8px}button{padding:10px 14px;border-radius:8px;border:none;background:#3d6bff;color:#fff;cursor:pointer}button.danger{background:#d64545}pre{white-space:pre-wrap;font-size:12px}