:root {
  --paper:#fbfaf7; --surface:#ffffff; --ink:#17212b; --muted:#596675;
  --line:#dfe4e8; --accent:#006d77; --accent-soft:#e6f3f3; --warm:#b65b2a;
  --code:#101820; --code-ink:#eaf2f5; --shadow:0 14px 38px rgba(23,33,43,.08);
  --max:1180px; --measure:760px;
}
body.dark { --paper:#11161b; --surface:#182027; --ink:#edf2f4; --muted:#b2bec8; --line:#33404a; --accent:#66c5ca; --accent-soft:#173238; --warm:#f4a261; --code:#090d10; --code-ink:#edf7f8; --shadow:0 18px 42px rgba(0,0,0,.28); }
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.container{width:min(var(--max),calc(100% - 2rem));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:var(--surface);padding:.7rem 1rem;z-index:100;border:1px solid var(--line)}
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.section{padding:3.5rem 0}.section-sm{padding:2.3rem 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;border-bottom:2px solid var(--ink);padding-bottom:.65rem}.section-head h2{font-family:Georgia,"Times New Roman",serif;margin:0;font-size:2rem;letter-spacing:-.035em}.section-head a{color:var(--accent);font-weight:700;font-size:.92rem}
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.article-shell{display:grid;grid-template-columns:250px minmax(0,var(--measure));gap:3.2rem;align-items:start;padding:2.7rem 0 4rem}.toc{position:sticky;top:105px;border-top:3px solid var(--ink);padding-top:.8rem}.toc strong{font-size:.78rem;text-transform:uppercase;letter-spacing:.13em}.toc ul{list-style:none;padding:0;margin:.7rem 0}.toc li{margin:.5rem 0}.toc a{font-size:.86rem;color:var(--muted)}.toc a:hover{color:var(--accent)}
.prose{font-family:Georgia,"Times New Roman",serif;font-size:1.06rem;min-width:0}.prose>p:first-of-type::first-letter{float:left;font-size:4rem;line-height:.76;padding:.18rem .5rem 0 0;color:var(--accent)}.prose h2,.prose h3{font-family:Inter,system-ui,sans-serif;scroll-margin-top:110px;letter-spacing:-.03em;line-height:1.2}.prose h2{font-size:2rem;margin:2.7rem 0 .8rem;border-top:1px solid var(--line);padding-top:1.5rem}.prose h3{font-size:1.3rem;margin:1.9rem 0 .5rem}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.prose ul,.prose ol{padding-left:1.35rem}.prose li{margin:.42rem 0}.prose code{font-family:"SFMono-Regular",Consolas,monospace;font-size:.88em;background:var(--accent-soft);padding:.12rem .3rem}.prose pre{position:relative;overflow:auto;background:var(--code);color:var(--code-ink);padding:1.1rem 1.2rem;border-radius:4px;font-family:"SFMono-Regular",Consolas,monospace;font-size:.88rem;line-height:1.55}.prose pre code{background:none;padding:0;color:inherit}.copy-code{position:absolute;right:.55rem;top:.55rem;border:1px solid #46535d;background:#1b2730;color:#fff;font-size:.72rem;padding:.3rem .5rem;cursor:pointer}.callout{font-family:Inter,sans-serif;border-left:4px solid var(--accent);background:var(--accent-soft);padding:1rem 1.1rem;margin:1.5rem 0;font-size:.94rem}.callout.warning{border-color:var(--warm);background:color-mix(in srgb,var(--warm) 12%,var(--surface))}.callout strong{display:block;margin-bottom:.2rem}.step-list{counter-reset:step;list-style:none;padding:0}.step-list>li{counter-increment:step;position:relative;padding:0 0 1.4rem 3rem;border-left:1px solid var(--line);margin-left:1rem}.step-list>li::before{content:counter(step);position:absolute;left:-1.05rem;top:-.05rem;width:2.05rem;height:2.05rem;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-family:Inter,sans-serif;font-weight:800;font-size:.82rem}.step-list>li:last-child{border-left-color:transparent}.prose table{width:100%;border-collapse:collapse;font-family:Inter,sans-serif;font-size:.88rem;margin:1.3rem 0;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:.7rem;vertical-align:top;min-width:130px}.prose th{background:var(--accent-soft);text-align:left}.checklist{font-family:Inter,sans-serif;background:var(--surface);border:1px solid var(--line);padding:1.1rem 1.25rem}.checklist li::marker{content:"✓  ";color:var(--accent);font-weight:800}.references{font-family:Inter,sans-serif;font-size:.9rem;border-top:3px solid var(--ink);margin-top:2.7rem;padding-top:1rem}.references li{margin:.55rem 0}.article-author{font-family:Inter,sans-serif;margin-top:2.5rem;border:1px solid var(--line);padding:1.25rem;display:grid;grid-template-columns:58px 1fr;gap:1rem}.mini-avatar{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800}.article-author h3{margin:0;font-size:1.1rem}.article-author p{margin:.3rem 0;color:var(--muted);font-size:.9rem}
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