:root{color-scheme:light dark;--bg:#fff;--fg:#1b1f23;--muted:#57606a;--line:#d0d7de;--accent:#0b5cad}@media(prefers-color-scheme:dark){:root{--bg:#0d1117;--fg:#e6edf3;--muted:#9da7b3;--line:#30363d;--accent:#58a6ff}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,sans-serif}header{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;border-bottom:1px solid var(--line)}header a{color:var(--fg);font-weight:600;text-decoration:none}main{max-width:56rem;margin:0 auto;padding:1.5rem 1rem 4rem}a{color:var(--accent)}h1{font-size:1.75rem;line-height:1.2}.muted{color:var(--muted)}.card{border:1px solid var(--line);border-radius:8px;padding:1rem;margin:1rem 0}label{display:block;font-weight:600;margin:1rem 0 .25rem}input:not([type=checkbox]),textarea,select{width:100%;font:inherit;padding:.5rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}textarea{min-height:6rem}button{font:inherit;font-weight:600;padding:.5rem 1rem;border-radius:6px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}button.secondary{background:transparent;color:var(--accent)}form.inline{display:inline}.notice{border-left:4px solid var(--accent);padding:.5rem 1rem;margin:1rem 0}ul.plain{list-style:none;padding:0}