:root{--bg:#f7f8fa;--fg:#14171f;--muted:#5d6675;--card:#fff;--line:#dfe3ea;--accent:#1a5fb4;--pass:#1b7f3b;--fail:#b3261e;--inc:#8a6100}
@media (prefers-color-scheme:dark){:root{--bg:#10131a;--fg:#e8ebf1;--muted:#9aa4b5;--card:#181c26;--line:#2a3040;--accent:#7db3ff;--pass:#5fd083;--fail:#ff8a80;--inc:#f2c35a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;overflow-wrap:anywhere}
pre{white-space:pre-wrap;margin:.5rem 0 0}
main{max-width:60rem;margin:0 auto;padding:1.5rem 1rem 3rem}
.top,footer{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;align-items:center;justify-content:space-between;padding:.8rem 1rem;border-bottom:1px solid var(--line);background:var(--card)}
footer{border-top:1px solid var(--line);border-bottom:0;font-size:.85rem}
.top nav{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
.muted{color:var(--muted);font-size:.9em}
.hero h1{font-size:1.9rem;line-height:1.2;margin:.5rem 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1rem;margin:1.5rem 0}
.card,.gate,.candidate{display:block;background:var(--card);border:1px solid var(--line);border-radius:.6rem;padding:1rem 1.2rem;text-decoration:none;color:inherit}
.card:hover{border-color:var(--accent)}
.card h2,.gate h2{margin:.1rem 0 .4rem;font-size:1.1rem}
.gates{display:grid;gap:.8rem}
.candidate{margin:.8rem 0}
.stack{display:grid;gap:.8rem;max-width:42rem}
.stack.narrow{max-width:22rem}
label{display:grid;gap:.25rem;font-weight:600;font-size:.92rem}
label.check{display:flex;gap:.5rem;align-items:flex-start;font-weight:400}
input,textarea,select{font:inherit;padding:.5rem .6rem;border:1px solid var(--line);border-radius:.4rem;background:var(--card);color:var(--fg);width:100%}
input[type=checkbox]{width:auto;margin-top:.3rem}
fieldset{border:1px solid var(--line);border-radius:.4rem;display:grid;gap:.2rem}
button{font:inherit;font-weight:600;padding:.55rem 1rem;border-radius:.4rem;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;justify-self:start}
button.secondary{background:transparent;color:var(--accent)}
button.danger{background:var(--fail);border-color:var(--fail)}
button.link{background:none;border:0;color:var(--accent);padding:0;font-weight:400;text-decoration:underline}
button[disabled]{opacity:.5;cursor:not-allowed}
.inline{display:inline-block;margin:.4rem .4rem .4rem 0}
.row{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
table{width:100%;border-collapse:collapse;margin:.6rem 0;background:var(--card)}
th,td{text-align:left;padding:.45rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
dl{display:grid;grid-template-columns:max-content 1fr;gap:.2rem 1rem;margin:.4rem 0}
dt{color:var(--muted)}dd{margin:0}
.plain{list-style:none;padding:0}
.steps{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;padding-left:1.2rem;color:var(--muted)}
.badge,.state{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.03em;padding:.12rem .5rem;border-radius:1rem;border:1px solid currentColor;vertical-align:middle}
.badge-pass{color:var(--pass)}.badge-fail{color:var(--fail)}.badge-incomplete,.badge-not_checked{color:var(--inc)}
.state{color:var(--muted)}
.alert{border:1px solid var(--fail);color:var(--fail);border-radius:.4rem;padding:.6rem .8rem}
.untrusted{border-left:4px solid var(--inc);margin:0;padding:.6rem 1rem;background:var(--card)}