.reader{--reader-bg:#0e1013;--reader-surface:#16191e;--reader-line:#2d323b;--reader-text:#d4d8df;--reader-muted:#9ba4b2;--reader-heading:#f0f2f5;--reader-accent:#dfba8d;background:var(--reader-bg);color:var(--reader-text)}
.reader.light{color-scheme:light;--reader-bg:#f6f5f1;--reader-surface:#eeede7;--reader-line:#d6d6cf;--reader-text:#3c444f;--reader-muted:#5d6876;--reader-heading:#171c24;--reader-accent:#82501f;--text:#171c24;--muted:#5d6876;--dim:#5d6876;--accent:#82501f;--bg:#f6f5f1;--line:#d6d6cf}
.reader a:focus-visible,.reader button:focus-visible,.reader [tabindex]:focus-visible{outline:2px solid var(--reader-accent);outline-offset:5px}.reader button{font:inherit;cursor:pointer}.reader-header{position:sticky;top:0;z-index:20;background:var(--reader-bg);border-bottom:1px solid var(--reader-line)}.reader-header>.wrap{height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px}.reader-header nav{display:flex;align-items:center;gap:26px}.reader-header .identity{gap:16px;color:var(--reader-heading)}.reader-header .identity>span:last-child{font-size:13px}.reader-header a:hover{color:var(--reader-accent)}.theme-toggle{font-size:11px!important;padding:8px 13px;background:var(--reader-surface);border:1px solid var(--reader-line);border-radius:5px;color:var(--reader-text)}.reading-progress{position:fixed;top:0;left:0;height:2px;background:var(--reader-accent);width:0;z-index:30;pointer-events:none}.js-only{display:none!important}.js .js-only{display:inline-flex!important}.article-hero{padding-top:45px}.back-link{font:10px/1.5 var(--mono);color:var(--reader-muted)}.article-kicker{display:flex;gap:25px;align-items:center;margin-top:51px;font:10px/1.5 var(--mono);text-transform:uppercase;letter-spacing:1px}.article-kicker>span:first-child{color:var(--reader-accent)}.article-kicker>span:last-child{color:var(--reader-muted)}.reader h1{font-size:clamp(42px,5.4vw,72px);font-weight:500;letter-spacing:-3.5px;line-height:1.08;margin:25px 0 24px;max-width:1000px}.reader h1>span{color:var(--reader-muted);background:none;-webkit-text-fill-color:initial}.article-deck{font-size:19px;line-height:1.6;color:var(--reader-muted);max-width:780px}.byline{display:flex;align-items:center;gap:12px;font-size:11px;margin-top:31px;flex-wrap:wrap;color:var(--reader-heading)}.author-avatar{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--reader-line);border-radius:50%;font:10px var(--mono);color:var(--reader-accent)}.byline-muted{color:var(--reader-muted);margin-left:8px}.article-date{color:var(--reader-muted);margin-left:auto}.article-facts{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1fr;gap:25px;border-block:1px solid var(--reader-line);padding:24px 0;margin:38px 0 0}.article-facts dt{font:9px/1.5 var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--reader-muted);margin-bottom:7px}.article-facts dd{font-size:12px;color:var(--reader-heading);margin:0}.reader-layout{display:grid;grid-template-columns:208px minmax(0,1fr);gap:64px;padding-top:64px;padding-bottom:100px}.reader-layout article{max-width:858px;min-width:0}.toc-sticky{position:sticky;top:116px}.toc-sticky>.eyebrow{font-size:9px;letter-spacing:1px;color:var(--reader-muted);margin-bottom:22px}.toc-sticky nav,.mobile-toc nav{display:grid;gap:4px}.toc-sticky nav a,.mobile-toc nav a{font-size:11px;display:flex;gap:12px;align-items:center;padding:10px 0;color:var(--reader-muted);border-left:1px solid transparent}.toc-sticky nav a span,.mobile-toc nav a span{font:9px/1.5 var(--mono);color:var(--reader-muted)}.toc-sticky nav a[aria-current="location"]{color:var(--reader-accent)}.toc-sticky nav a[aria-current="location"] span{color:var(--reader-accent)}.toc-sticky nav a:hover,.mobile-toc nav a:hover{color:var(--reader-heading)}.toc-bottom{display:grid;gap:13px;margin-top:28px;padding-top:22px;border-top:1px solid var(--reader-line);font:9px/1.5 var(--mono);color:var(--reader-muted)}.mobile-toc{display:none}.at-a-glance{background:var(--reader-surface);border:1px solid var(--reader-line);border-radius:9px;padding:29px 32px 0;margin-bottom:65px;scroll-margin-top:110px}.brief-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;color:var(--reader-muted)}.brief-top .eyebrow{font-size:9px;color:var(--reader-accent)}.brief-top>span:last-child{font:9px var(--mono)}.reader .at-a-glance h2{font-size:28px;letter-spacing:-.8px;line-height:1.2;color:var(--reader-heading);margin-bottom:15px}.at-a-glance>p{font-size:15px!important;line-height:1.8!important}.brief-bottom{margin-top:25px;display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-top:1px solid var(--reader-line);font:10px/1.5 var(--mono);color:var(--reader-muted)}.brief-bottom a{color:var(--reader-accent)}.chapter{margin-top:64px;scroll-margin-top:110px}.chapter-heading{display:flex;align-items:center;gap:17px;margin-bottom:26px}.chapter-heading>span{font:10px/1.5 var(--mono);color:var(--reader-accent)}.reader .chapter-heading h2{font-size:29px;letter-spacing:-.9px;color:var(--reader-heading);line-height:1.25}.chapter-heading>a{margin-left:auto;font:16px/1.5 var(--mono);color:var(--reader-muted)}.reader article p{color:var(--reader-text);font-size:16px;line-height:1.85;margin-bottom:21px}.reader article p:last-child{margin-bottom:0}.reader article p>a:not(.evidence-ref){color:var(--reader-accent);text-decoration:underline;text-underline-offset:4px}.reader p code,.reader li code,.reader-note code{font:12px/1.6 var(--mono);background:var(--reader-surface);border:1px solid var(--reader-line);padding:2px 5px;border-radius:3px;overflow-wrap:anywhere;color:var(--reader-heading)}.reader p strong{font-weight:500;color:var(--reader-heading)}.evidence-ref{font:10px/1 var(--mono);color:var(--reader-accent);white-space:nowrap;vertical-align:super;padding:3px;text-decoration:none}.reader-note{padding:20px 23px;border-left:2px solid var(--reader-accent);background:var(--reader-surface);margin:28px 0}.reader-note strong{display:block;font-size:12px;color:var(--reader-heading);font-weight:500;margin-bottom:8px}.reader .reader-note p{font-size:13px;line-height:1.85;color:var(--reader-muted)}.hash{display:block;margin:12px 0;word-break:break-all}.listing{margin:30px 0;border:1px solid var(--reader-line);border-radius:7px;overflow:hidden;background:var(--reader-surface);scroll-margin-top:110px}.listing figcaption{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 17px;border-bottom:1px solid var(--reader-line);font-size:10px;color:var(--reader-muted)}.listing figcaption b{font:9px/1.5 var(--mono);color:var(--reader-accent);padding-right:10px}.code-kind{margin-left:auto;font:8px/1.5 var(--mono)}.copy-code{border:1px solid var(--reader-line);background:var(--reader-bg);color:var(--reader-text);border-radius:4px;padding:5px 9px;font-size:10px!important}.listing pre{margin:0;padding:18px 0;overflow-x:auto;overscroll-behavior-inline:contain;font:12px/1.9 var(--mono);color:var(--reader-heading)}.listing pre code{display:block;min-width:max-content}.code-line{display:flex;min-width:100%;padding-right:20px;scroll-margin-top:150px}.code-line.highlight{background:#ce9d5510;box-shadow:inset 2px 0 #c9a57b80}.code-line:target{background:#ce9d5530;box-shadow:inset 3px 0 var(--reader-accent)}.line-no{display:block;min-width:46px;padding-right:15px;text-align:right;user-select:none;color:var(--reader-muted);font-size:9px}.listing-note{padding:14px 17px;font-size:11px;line-height:1.75;color:var(--reader-muted);border-top:1px solid var(--reader-line)}.mechanism-figure{border:1px solid var(--reader-line);border-radius:8px;padding:24px;margin:32px 0;background:var(--reader-surface)}.mechanism-figure>figcaption{display:flex;justify-content:space-between;gap:15px;color:var(--reader-muted);font:8px/1.5 var(--mono);margin-bottom:24px}.mechanism-figure .eyebrow{font-size:8px;letter-spacing:.7px;color:var(--reader-accent)}.stage-tabs{display:flex;gap:8px!important;margin-bottom:20px;flex-wrap:wrap}.stage-tabs button{font:10px/1.5 var(--mono);padding:8px 10px;border:1px solid var(--reader-line);border-radius:4px;background:transparent;color:var(--reader-muted)}.stage-tabs button[aria-pressed="true"]{color:var(--reader-accent);border-color:var(--reader-accent)}.mechanism-nodes{display:grid;grid-template-columns:1fr 16px 1fr 16px 1fr;gap:8px;align-items:center}.flow-node{padding:16px 12px;border:1px solid var(--reader-line);border-radius:5px;min-width:0;background:var(--reader-bg)}.flow-node.active{border-color:var(--reader-accent)}.flow-node>span{font:7px/1.4 var(--mono);letter-spacing:1px;color:var(--reader-muted)}.flow-node strong{display:block;font-size:12px;font-weight:500;line-height:1.4;margin:10px 0;color:var(--reader-heading)}.flow-node code{font:9px/1.4 var(--mono);color:var(--reader-accent);overflow-wrap:anywhere}.flow-arrow{color:var(--reader-muted)}.reader .stage-description{font-size:12px;color:var(--reader-muted);margin:20px 0 0;min-height:44px}.figure-details{margin-top:20px;border-top:1px solid var(--reader-line);padding-top:14px;font-size:11px}.figure-details summary{cursor:pointer;color:var(--reader-accent)}.figure-details ol{font-size:12px;line-height:1.85;padding-left:20px;color:var(--reader-muted)}.figure-details li+li{margin-top:8px}.table-scroll{max-width:100%;overflow-x:auto;margin:32px 0;border-block:1px solid var(--reader-line)}.table-scroll table{border-collapse:collapse;width:100%;min-width:580px;text-align:left;font-size:11px}.table-scroll caption{text-align:left;padding:17px 0;color:var(--reader-muted);font:10px/1.5 var(--mono)}.table-scroll th,.table-scroll td{padding:15px 15px 15px 0;border-top:1px solid var(--reader-line);font-weight:400;line-height:1.6}.table-scroll thead th{color:var(--reader-heading);font-size:10px}.table-scroll tbody th{width:38%;color:var(--reader-muted)}.claim-columns{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin:30px 0}.claim-columns>div{border-top:1px solid var(--reader-line);padding-top:21px}.claim-columns h3{font-size:13px;line-height:1.5;letter-spacing:-.2px;color:var(--reader-heading)}.claim-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--reader-accent);margin-right:6px;vertical-align:middle}.claim-dot.hollow{background:transparent;border:1px solid var(--reader-muted);width:6px;height:6px}.claim-columns ul{font-size:13px;line-height:1.8;color:var(--reader-muted);padding-left:17px;margin:17px 0 0}.claim-columns li+li{margin-top:10px}.disclosure{padding:0;list-style:none;margin:32px 0}.disclosure li{display:grid;grid-template-columns:115px 1fr;gap:25px;border-top:1px solid var(--reader-line);padding:20px 0}.disclosure li>span{font:9px/1.5 var(--mono);color:var(--reader-accent);padding-top:4px}.disclosure strong{font-size:14px;font-weight:500;color:var(--reader-heading)}.reader .disclosure p{font-size:12px;line-height:1.8;color:var(--reader-muted);margin:6px 0 0}.source-item{display:grid;grid-template-columns:30px 1fr;gap:15px;border-top:1px solid var(--reader-line);padding:20px 0;scroll-margin-top:110px}.source-item:target{background:#c9a57b0a}.source-item>span{font:10px/1.5 var(--mono);color:var(--reader-accent);padding-top:2px}.source-item h3{font-size:14px;line-height:1.5;margin-bottom:8px;color:var(--reader-heading)}.reader .source-item p{font-size:12px;line-height:1.8;color:var(--reader-muted);margin-bottom:8px}.source-item a{font:10px/1.5 var(--mono);color:var(--reader-accent)}.download-evidence{display:flex;justify-content:space-between;gap:20px;padding:20px;border:1px solid var(--reader-line);border-radius:5px;font:11px/1.5 var(--mono);color:var(--reader-heading);margin-top:20px}.download-evidence:hover{border-color:var(--reader-accent)}.article-end{border-top:1px solid var(--reader-line);padding-top:38px;margin-top:70px}.article-end>.eyebrow{color:var(--reader-accent);font-size:9px}.reader .article-end h2{font-size:31px;line-height:1.2;letter-spacing:-1px;margin:20px 0;color:var(--reader-heading)}.reader .article-end p{font-size:14px;color:var(--reader-muted)}.reader .article-end .text-link{color:var(--reader-heading)}.reader .article-end .text-link span{color:var(--reader-accent)}.pref-source{padding:16px 20px;border:1px solid var(--reader-line);border-radius:5px;font:12px/1.5 var(--mono);color:var(--reader-heading);margin-bottom:20px;width:max-content;max-width:100%}.pref-route{display:flex;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid var(--reader-line);font:11px/1.6 var(--mono);color:var(--reader-muted)}.pref-route>span{flex:1}.pref-route strong{font-weight:400;flex:1}.pref-route.exposed strong{color:var(--reader-accent)}.reader .preference-flow>p{font-size:12px;color:var(--reader-muted);margin-top:22px}.copy-status{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--reader-heading);color:var(--reader-bg);border-radius:5px;padding:10px 20px;font-size:12px;z-index:40;pointer-events:none}.copy-status:empty{display:none}.research-index{padding-block:80px 110px;min-height:80vh}.research-index>.eyebrow{color:var(--reader-accent);font-size:10px}.research-index h1{font-size:80px;margin-top:26px}.index-label{display:flex;gap:26px;margin:50px 0 25px;font:10px var(--mono);color:var(--reader-muted)}.research-entry{display:grid;grid-template-columns:200px 1fr 40px;align-items:center;gap:30px;border-top:1px solid var(--reader-line);padding:34px 0}.entry-id{font:12px var(--mono);color:var(--reader-accent)}.research-entry .eyebrow{font-size:9px;letter-spacing:.8px;color:var(--reader-muted)}.research-entry h2{font-size:28px;letter-spacing:-.8px;color:var(--reader-heading);margin:12px 0}.research-entry p{font-size:13px;color:var(--reader-muted)}.entry-arrow{font-size:25px;color:var(--reader-accent)}.research-entry:hover h2{text-decoration:underline;text-underline-offset:6px}.reader .site-footer{border-color:var(--reader-line);color:var(--reader-muted)}
@media(max-width:1100px){.reader-layout{grid-template-columns:180px minmax(0,1fr);gap:35px}.toc-sticky nav a{font-size:10px;gap:8px}.article-facts{gap:15px}.mechanism-nodes{gap:5px}.flow-node{padding:14px 9px}.flow-node strong{font-size:11px}.flow-node code{font-size:8px}.reader article p{font-size:15px}}
@media(max-width:850px){.reader-layout{display:block;padding-top:25px}.toc-rail{display:none}.mobile-toc{display:block;position:sticky;top:73px;z-index:15;background:var(--reader-bg);border-bottom:1px solid var(--reader-line);margin-bottom:30px}.mobile-toc summary{display:flex;justify-content:space-between;padding:16px 0;font-size:12px;cursor:pointer;list-style:none;color:var(--reader-heading)}.mobile-toc summary::-webkit-details-marker{display:none}.mobile-toc summary>span{color:var(--reader-accent)}.mobile-toc nav{padding:0 0 18px;grid-template-columns:1fr 1fr;gap:3px 15px}.article-facts{grid-template-columns:1fr 1fr;gap:20px}.article-date{margin-left:0}.byline-muted{display:none}.article-deck{font-size:17px}.reader h1{font-size:52px;letter-spacing:-2.5px}.research-entry{grid-template-columns:150px 1fr 30px}.chapter{scroll-margin-top:150px}.code-line{scroll-margin-top:160px}.source-item{scroll-margin-top:150px}}
@media(max-width:550px){.reader-header>.wrap{height:65px;font-size:10px;gap:12px}.reader-header .identity{gap:10px}.reader-header .identity>span:last-child{display:none}.reader-header nav{gap:15px}.theme-toggle{font-size:9px!important;padding:7px 9px}.article-hero{padding-top:29px}.article-kicker{margin-top:35px;gap:10px;flex-wrap:wrap;font-size:8px;letter-spacing:.6px}.reader h1{font-size:40px;letter-spacing:-1.8px;margin-block:22px}.article-deck{font-size:16px;line-height:1.65}.byline{font-size:10px;gap:9px;margin-top:25px}.article-date{flex-basis:100%;margin-top:5px}.article-facts{padding-block:20px;margin-top:28px;gap:18px 10px}.article-facts dt{font-size:8px}.article-facts dd{font-size:10px}.mobile-toc{top:64px}.mobile-toc nav{grid-template-columns:1fr 1fr}.mobile-toc nav a{font-size:9px;gap:7px}.mobile-toc summary{font-size:11px}.reader-layout{padding-top:12px;padding-bottom:65px}.at-a-glance{padding:21px 20px 0;margin-bottom:40px}.brief-top{margin-bottom:18px}.reader .at-a-glance h2{font-size:24px}.at-a-glance>p{font-size:14px!important}.brief-bottom{flex-wrap:wrap;gap:10px;font-size:9px;padding-block:15px}.chapter{margin-top:45px}.chapter-heading{gap:10px;margin-bottom:23px}.reader .chapter-heading h2{font-size:24px;letter-spacing:-.7px}.chapter-heading>span{font-size:9px}.reader article p{font-size:15px;line-height:1.9}.reader p code{font-size:11px}.reader-note{padding:17px 18px;margin-block:23px}.reader .reader-note p{font-size:12px}.listing{margin-block:25px}.listing figcaption{padding:12px;gap:9px}.listing figcaption>span:first-child{flex-basis:100%;font-size:10px}.listing figcaption b{font-size:8px}.code-kind{margin-left:0;font-size:8px}.copy-code{margin-left:auto}.listing pre{font-size:11px;padding-block:14px}.line-no{min-width:34px;padding-right:10px;font-size:8px}.listing-note{padding:12px;font-size:10px}.mechanism-figure{padding:18px;margin-block:25px}.mechanism-figure>figcaption{flex-direction:column;gap:8px;margin-bottom:20px}.stage-tabs{gap:5px!important}.stage-tabs button{font-size:9px;padding:8px}.mechanism-nodes{display:flex;flex-direction:column;gap:9px}.flow-node{width:100%;padding:14px 15px;display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;align-items:center}.flow-node>span{grid-column:1/-1;font-size:7px}.flow-node strong{font-size:12px;margin:3px 0}.flow-node code{font-size:9px;text-align:right}.flow-arrow{transform:rotate(90deg);font-size:13px;line-height:1}.reader .stage-description{font-size:12px;min-height:0}.claim-columns{grid-template-columns:1fr;gap:22px}.claim-columns ul{font-size:13px}.disclosure li{grid-template-columns:80px 1fr;gap:15px}.disclosure li>span{font-size:8px}.disclosure strong{font-size:13px}.reader .disclosure p{font-size:12px}.source-item{gap:8px;grid-template-columns:25px 1fr}.source-item h3{font-size:13px}.reader .article-end h2{font-size:28px}.pref-route{font-size:10px;gap:9px;align-items:flex-start}.pref-source{font-size:11px}.research-index{padding-top:50px}.research-index h1{font-size:54px}.research-entry{grid-template-columns:1fr 25px;gap:17px;padding-block:25px}.entry-id{grid-column:1;font-size:10px}.research-entry>div{grid-column:1}.entry-arrow{grid-column:2;grid-row:1/3}.research-entry h2{font-size:25px}.research-entry .eyebrow{font-size:8px}.research-entry p{font-size:12px}.index-label{font-size:9px;gap:20px}.copy-status{max-width:90%;width:max-content;font-size:11px}}
@media(prefers-reduced-motion:reduce){.reader *{scroll-behavior:auto;transition:none!important}}
@media print{.reader{--reader-bg:white;--reader-surface:#f5f5f5;--reader-line:#ccc;--reader-text:#222;--reader-muted:#444;--reader-heading:#000;--reader-accent:#70451e;background:white;color:#222}.reader-header,.toc-rail,.mobile-toc,.reading-progress,.copy-code,.theme-toggle,.stage-tabs,.copy-status,.article-end,.skip,.back-link{display:none!important}.wrap{width:100%;max-width:none}.reader-layout{display:block;padding-top:20px}.reader-layout article{max-width:none}.article-hero{padding-top:0}.reader h1{font-size:34px}.article-facts{margin-top:20px}.chapter{margin-top:30px}.reader .chapter-heading h2{font-size:22px}.reader article p{font-size:11pt}.at-a-glance{margin-bottom:30px}.listing pre{font-size:8pt;overflow:visible;white-space:pre-wrap}.listing pre code{min-width:0}.code-text{white-space:pre-wrap;overflow-wrap:anywhere}.table-scroll{overflow:visible}.table-scroll table{min-width:0}.listing,.mechanism-figure,.reader-note,.source-item{break-inside:avoid}.chapter-heading{break-after:avoid}.stage-description{display:none}.figure-details>ol{display:block!important}.site-footer{margin-top:25px}}