:root{--bg:#fff;--fg:#1b1f24;--muted:#57606a;--line:#d8dee4;--accent:#c2410c;--accent-fg:#fff;--code-bg:#f6f8fa;--note:#fff7ed}
@media (prefers-color-scheme:dark){:root{--bg:#14171a;--fg:#e6e8ea;--muted:#9aa4ad;--line:#2d3339;--accent:#fb923c;--accent-fg:#111;--code-bg:#1c2127;--note:#2a2018}}
*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;background:var(--bg);color:var(--fg)}
body{margin:0}
a{color:var(--accent)}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:8px;z-index:9}
header.site{border-bottom:1px solid var(--line)}
.wrap{max-width:46rem;margin:0 auto;padding:0 16px}
header.site .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;padding-top:12px;padding-bottom:12px}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
nav a{margin-right:14px;color:var(--muted);text-decoration:none}
nav a:hover{text-decoration:underline}
main{padding:24px 0 48px}
h1{font-size:1.8rem;line-height:1.25;margin:.2em 0 .5em}
h2{font-size:1.35rem;margin:2em 0 .5em;line-height:1.3}
.lead{font-size:1.1rem;color:var(--muted)}
.meta{font-size:.9rem;color:var(--muted)}
pre{background:var(--code-bg);border:1px solid var(--line);border-radius:8px;padding:12px;overflow-x:auto;font-size:.88rem;line-height:1.5}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
:not(pre)>code{background:var(--code-bg);padding:1px 5px;border-radius:4px}
.copy{float:right;margin:-4px 0 4px 8px;font-size:.8rem;padding:2px 8px;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:4px;cursor:pointer}
.toc{border:1px solid var(--line);border-radius:8px;padding:8px 16px;background:var(--code-bg)}
.toc ol{margin:.3em 0;padding-left:1.2em}
.note{background:var(--note);border-left:4px solid var(--accent);padding:8px 14px;border-radius:4px;margin:1em 0}
.btn{display:inline-block;background:var(--accent);color:var(--accent-fg);padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:600}
.af-note{font-size:.8rem;color:var(--muted);margin-left:10px}
table{border-collapse:collapse;width:100%;font-size:.93rem}
.tw{overflow-x:auto}
th,td{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}
th{background:var(--code-bg)}
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));padding:0;list-style:none}
.cards li{border:1px solid var(--line);border-radius:8px;padding:12px}
.cards a{font-weight:600}
.cards p{margin:.3em 0 0;font-size:.9rem;color:var(--muted)}
.sources li{font-size:.92rem}
footer.site{border-top:1px solid var(--line);padding:20px 0;font-size:.88rem;color:var(--muted)}
@media (max-width:480px){h1{font-size:1.5rem}}

.cta2{border:1px solid var(--accent);border-radius:10px;padding:14px 18px;margin:1.4em 0}
.cta2 h3{margin:0 0 .5em}
.cta2 .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.cta2 .small{font-size:.85rem;margin:.6em 0 0}
.check{list-style:none;padding-left:0}
.check li{display:flex;gap:10px;margin:.5em 0}
.check .box{flex:0 0 14px;height:14px;border:2px solid currentColor;border-radius:3px;margin-top:.35em}
.ref{font-size:.8rem}
@media print{header.site,footer.site,.skip,.copy{display:none}.cta2{break-inside:avoid}.check li{break-inside:avoid}a{color:inherit}}