:root{--bg:#fafafa;--fg:#1a1a1a;--muted:#555;--line:#ddd;--accent:#0b5fff;--card:#fff;--bad:#c62828;--good:#2e7d32}
@media (prefers-color-scheme:dark){:root{--bg:#111;--fg:#eee;--muted:#aaa;--line:#333;--accent:#6ea0ff;--card:#1a1a1a;--bad:#ef6b6b;--good:#6fcf75}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,sans-serif}
header{border-bottom:1px solid var(--line)}
header .in,main{max-width:720px;margin:0 auto;padding:0 16px}
header .in{display:flex;gap:20px;align-items:center;height:56px}
header .brand{font-weight:700;font-size:1.2rem;color:var(--fg);text-decoration:none;margin-right:auto}
header a{color:var(--muted);text-decoration:none}header a:hover{color:var(--fg)}
main{padding:40px 16px 64px}
h1{font-size:2rem;margin:0 0 .25rem;line-height:1.2}p.sub{color:var(--muted);margin-top:0}
a{color:var(--accent)}code{background:rgba(127,127,127,.15);padding:2px 5px;border-radius:4px;font-size:.92em}
pre{background:rgba(127,127,127,.12);padding:12px;border-radius:6px;overflow-x:auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px;margin:20px 0}
form .row{display:flex;gap:8px;flex-wrap:wrap}
input,textarea{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px;width:100%}
form .row input{flex:1;min-width:0;width:auto}
button{font:inherit;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:10px 18px;cursor:pointer}
button:disabled{opacity:.6;cursor:default}
label{display:block;margin:12px 0 4px;font-weight:600}
.listed{color:var(--bad);font-weight:700}.clean{color:var(--good);font-weight:700}
.hidden{display:none}.hp{position:absolute;left:-9999px}
table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
.muted{color:var(--muted)}