:root{--ink:#0e1216;--soft:#464f58;--faint:#6f7982;--paper:#fcfcfb;--panel:#f2f3f1;--panel-deep:#e9ebe8;--rule:#dfe1de;--hair:#c4c8c3;--accent:#0f5257;--accent-soft:#e2eded;--accent-ink:#0b3d41;--sans:"Segoe UI Variable Display", "Segoe UI", -apple-system,
           BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--serif:"Sitka Text", Charter, "Iowan Old Style", Cambria, Georgia, serif;--mono:"Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;--measure:42rem;--shell:72rem;--rail:12rem;--gap:3.5rem}@media(prefers-color-scheme:dark){:root{--ink:#e9ebe8;--soft:#b0b8bc;--faint:#8b9499;--paper:#0f1214;--panel:#171b1e;--panel-deep:#1e2327;--rule:#2b3236;--hair:#3c4449;--accent:#6ab8bf;--accent-soft:#14302f;--accent-ink:#9fd4d9}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.66;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-underline-offset:2px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;left:-9999px;background:var(--accent);color:#fff;padding:.6rem 1rem;z-index:20;font-family:var(--sans);font-size:.85rem}.skip-link:focus{left:1rem;top:1rem}.site-header{border-bottom:1px solid var(--ink)}.header-inner{max-width:var(--shell);margin:0 auto;padding:1.5rem 2.5rem 1.2rem;display:flex;align-items:flex-end;justify-content:space-between;gap:2rem}.brand{text-decoration:none;color:inherit;display:block}.brand-name{display:block;font-family:var(--sans);font-size:1.32rem;font-weight:700;letter-spacing:-.025em;line-height:1.1}.brand-tag{display:block;font-family:var(--sans);font-size:.68rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-top:.35rem}.site-nav ul{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0;gap:1.6rem}.site-nav a{font-family:var(--sans);font-size:.85rem;color:var(--soft);text-decoration:none;padding-bottom:.3rem;border-bottom:2px solid transparent}.site-nav a:hover{color:var(--ink)}.site-nav a[aria-current=page]{color:var(--ink);font-weight:600;border-bottom-color:var(--accent)}main{display:block}.shell{max-width:var(--shell);margin:0 auto;padding:3rem 2.5rem;display:grid;grid-template-columns:var(--rail)1fr;gap:var(--gap);align-items:start}.shell-1{max-width:var(--shell);margin:0 auto;padding:3rem 2.5rem}.doc{max-width:var(--measure);min-width:0}.rail{font-family:var(--sans);font-size:.78rem;position:sticky;top:2rem}.rail dl{margin:0}.rail dt{font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-top:1.15rem}.rail dt:first-child{margin-top:0}.rail dd{margin:.2rem 0 0;color:var(--soft)}.rail a{color:var(--soft)}.rail-topic{display:inline-block;background:var(--accent-soft);color:var(--accent-ink);padding:.15rem .5rem;font-size:.7rem;font-weight:600;margin:.15rem .15rem 0 0;text-decoration:none}a.rail-topic:hover{background:var(--accent);color:#fff}.rail-topic-pending{background:var(--panel-deep);color:var(--faint)}.rail-toc{margin-top:1.9rem;padding-top:1.2rem;border-top:1px solid var(--rule)}.rail-toc-label{font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 .7rem;font-family:var(--sans)}.rail-toc ul{list-style:none;margin:0;padding:0}.rail-toc li{margin-bottom:.45rem;line-height:1.4}.rail-toc ul ul{margin:.4rem 0 .4rem .75rem}.rail-toc a{color:var(--soft);text-decoration:none;display:block}.rail-toc a:hover{color:var(--accent)}h1,h2,h3,h4{font-family:var(--sans);color:var(--ink)}h1{font-size:2.5rem;line-height:1.12;margin:0 0 1rem;font-weight:700;letter-spacing:-.03em}h2{font-size:1.3rem;font-weight:700;margin:3rem 0 .8rem;letter-spacing:-.018em;line-height:1.3}h3{font-size:1.02rem;font-weight:650;margin:2.1rem 0 .5rem;letter-spacing:-.008em}h4{font-size:.92rem;font-weight:650;margin:1.7rem 0 .4rem}.lede{font-size:1.16rem;color:var(--soft);line-height:1.55;margin:0 0 2.2rem;padding-bottom:1.6rem;border-bottom:1px solid var(--rule);max-width:var(--measure)}.page-header{margin-bottom:2rem}.page-header h1{font-size:2.1rem}.prose{max-width:var(--measure)}.prose p{margin:0 0 1.2rem}.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.4rem}.prose li{margin-bottom:.45rem}.prose li>ul,.prose li>ol{margin-top:.45rem}.prose strong{font-weight:650}.prose hr{border:none;border-top:1px solid var(--rule);margin:2.5rem 0}code{font-family:var(--mono);font-size:.82em;background:var(--panel);color:var(--accent-ink);padding:.12em .38em;border-radius:2px;white-space:nowrap}pre{background:var(--panel);border:1px solid var(--rule);padding:1rem 1.1rem;overflow-x:auto;margin:1.8rem 0;font-size:.84rem;line-height:1.6}pre code{background:0 0;padding:0;white-space:pre;color:var(--ink);font-size:1em}blockquote{margin:2rem 0;padding:1rem 0;border-top:1.5px solid var(--ink);border-bottom:1px solid var(--rule);font-size:.98rem;color:var(--soft)}blockquote p:last-child{margin-bottom:0}.table-scroll{overflow-x:auto;margin:1.9rem 0 .5rem}table{border-collapse:collapse;width:100%;font-family:var(--sans);font-size:.87rem;font-variant-numeric:tabular-nums}thead th{text-align:left;padding:.5rem .9rem .5rem 0;font-weight:650;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);border-bottom:1.5px solid var(--ink);white-space:nowrap}tbody td{padding:.55rem .9rem .55rem 0;border-bottom:1px solid var(--rule);vertical-align:top}tbody tr:last-child td{border-bottom:1px solid var(--hair)}td code{background:0 0;padding:0;color:var(--soft)}figure{margin:2.4rem 0}.prose figure img,.prose img{max-width:100%;height:auto;display:block}.prose figure img{background:var(--panel)}figcaption{font-family:var(--sans);font-size:.78rem;color:var(--faint);margin-top:.65rem;padding-left:.8rem;border-left:2px solid var(--accent);line-height:1.5}figcaption b,figcaption strong{color:var(--ink);font-weight:650}.footnote-ref{font-size:.72em;text-decoration:none;padding:0 .1em}.footnotes{margin-top:3.2rem;padding-top:1.3rem;border-top:1px solid var(--rule);font-size:.87rem;color:var(--soft)}.footnotes hr{display:none}.footnotes::before{content:"Notes";display:block;font-family:var(--sans);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-bottom:.8rem}.footnotes ol{padding-left:1.3rem;margin:0}.footnotes li{margin-bottom:.45rem}.footnotes p{margin:0}.breadcrumb{font-family:var(--sans);font-size:.78rem;color:var(--faint);margin-bottom:1.4rem}.breadcrumb a{color:var(--faint);text-decoration:none}.breadcrumb a:hover{color:var(--accent);text-decoration:underline}.breadcrumb span{margin:0 .4rem}.article-list{list-style:none;margin:0;padding:0}.article-item{padding:1.6rem 0;border-top:1px solid var(--rule)}.article-item:first-child{border-top:none;padding-top:.4rem}.article-item h2,.article-item h3{margin:0 0 .3rem;font-size:1.22rem;font-weight:650;letter-spacing:-.015em}.article-item a{text-decoration:none;color:var(--ink)}.article-item a:hover{color:var(--accent);text-decoration:underline}.meta{font-family:var(--sans);font-size:.78rem;color:var(--faint);margin:.3rem 0}.meta time{font-variant-numeric:tabular-nums}.excerpt{margin:.5rem 0 0;color:var(--soft);font-size:.97rem;max-width:var(--measure)}.count{font-family:var(--sans);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 1.4rem}.more{font-family:var(--sans);font-size:.88rem;margin-top:2.2rem}.more a{text-decoration:none;font-weight:600}.more a:hover{text-decoration:underline}.topic-ref{font-family:var(--sans);display:inline-block;background:var(--accent-soft);color:var(--accent-ink);padding:.12rem .45rem;font-size:.7rem;font-weight:600;text-decoration:none}a.topic-ref:hover{background:var(--accent);color:#fff}.topic-ref-pending{background:var(--panel-deep);color:var(--faint)}.topic-refs{display:flex;flex-wrap:wrap;gap:.35rem;margin:.5rem 0 0}.intro{border-bottom:1px solid var(--ink);padding-bottom:2.2rem;margin-bottom:2.8rem}.intro h1{font-size:3rem;letter-spacing:-.035em}.intro .lede{border:none;padding:0;margin-bottom:1.4rem;font-size:1.22rem}.intro-body{max-width:var(--measure);color:var(--soft);font-size:1.02rem}.section-label{font-family:var(--sans);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 1.2rem;padding-bottom:.6rem;border-bottom:1px solid var(--rule)}.home-topics{margin-top:4rem}.topic-list{list-style:none;margin:0;padding:0}.topic-list li{padding:1.3rem 0;border-top:1px solid var(--rule)}.topic-list li:first-child{border-top:none}.topic-list h2,.topic-list h3{margin:0 0 .3rem;font-size:1.15rem;font-weight:650}.topic-list a{text-decoration:none;color:var(--ink)}.topic-list a:hover{color:var(--accent);text-decoration:underline}.topic-desc{display:block;color:var(--soft);font-size:.95rem;margin-top:.25rem;max-width:var(--measure)}.topics-pending{margin-top:3.5rem;padding-top:1.4rem;border-top:1px solid var(--rule)}.topics-pending h2{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 .6rem}.topics-pending>p{font-size:.92rem;color:var(--soft);margin:0 0 .8rem}.pending-list{list-style:none;padding:0;margin:0;font-family:var(--sans);font-size:.85rem}.pending-list li{padding:.35rem 0;color:var(--soft)}.pending-list .meta{display:inline;margin:0}.related{margin-top:4rem;padding-top:1.4rem;border-top:1.5px solid var(--ink);max-width:var(--measure)}.related h2{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 1.2rem}.related-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1.4rem}.related-list li{border-left:2px solid var(--rule);padding-left:.9rem}.related-list a{font-family:var(--sans);font-size:.92rem;font-weight:600;text-decoration:none;color:var(--ink);line-height:1.35;display:block}.related-list a:hover{color:var(--accent);text-decoration:underline}.related-desc{display:block;font-family:var(--sans);font-size:.78rem;color:var(--faint);margin-top:.35rem;line-height:1.45}.pub-kind{font-family:var(--sans);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700}.rail .pub-kind{margin-bottom:1.2rem}.pub h1{font-size:1.95rem;margin:0 0 .8rem}.pub-authors{font-size:1.02rem;color:var(--soft);margin:0 0 1.5rem;padding-bottom:1.2rem;border-bottom:1px solid var(--hair);max-width:var(--measure)}.pub-abstract{max-width:var(--measure)}.pub-abstract h2{font-family:var(--sans);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 .5rem}.pub-abstract p{font-size:1rem;color:var(--soft);margin:0}.citation{font-family:var(--mono);font-size:.76rem;line-height:1.6;color:var(--soft);background:var(--panel);padding:.85rem .95rem;margin:1.6rem 0 0;border-left:2px solid var(--accent);max-width:var(--measure)}.citation-label{font-family:var(--sans);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:1.6rem 0 .4rem}.btn{display:inline-block;font-family:var(--sans);font-size:.83rem;font-weight:600;background:var(--accent);color:#fff;text-decoration:none;padding:.62rem 1.4rem;margin-top:1.5rem}.btn:hover{background:var(--accent-ink);color:#fff}@media(prefers-color-scheme:dark){.btn{color:#0f1214}.btn:hover{color:#0f1214}}.pub-list{list-style:none;margin:0;padding:0}.pub-item{padding:1.8rem 0;border-top:1px solid var(--rule)}.pub-item:first-child{border-top:none;padding-top:.4rem}.pub-item h2{margin:.4rem 0 .3rem;font-size:1.2rem;font-weight:650}.pub-item a{text-decoration:none;color:var(--ink)}.pub-item a:hover{color:var(--accent);text-decoration:underline}.notice{border-top:1.5px solid var(--ink);border-bottom:1px solid var(--rule);padding:1.1rem 0;margin:1.8rem 0;max-width:var(--measure)}.notice p{margin:0 0 .6rem;font-size:.96rem;color:var(--soft)}.notice p:last-child{margin-bottom:0}.notice strong{color:var(--ink);font-weight:650}.empty{color:var(--faint);font-size:.96rem}.site-footer{border-top:1px solid var(--ink);background:var(--panel);margin-top:5rem}.footer-inner{max-width:var(--shell);margin:0 auto;padding:2.5rem 2.5rem 3rem}.footer-nav ul{display:flex;flex-wrap:wrap;gap:1.6rem;list-style:none;margin:0 0 1.6rem;padding:0}.footer-nav a{font-family:var(--sans);font-size:.85rem;color:var(--soft);text-decoration:none}.footer-nav a:hover{color:var(--ink);text-decoration:underline}.footer-owner{font-size:.96rem;color:var(--soft);margin:0 0 .6rem;max-width:var(--measure)}.footer-meta{font-family:var(--sans);font-size:.78rem;color:var(--faint);margin:0}.footer-meta a{color:var(--faint)}@media(max-width:64rem){.shell{grid-template-columns:1fr;gap:2rem}.rail{position:static;padding-bottom:1.4rem;border-bottom:1px solid var(--rule)}.rail dl{display:grid;grid-template-columns:auto 1fr;gap:.3rem 1.2rem;align-items:baseline}.rail dt{margin-top:0}.rail dd{margin-top:0}.rail-toc{display:none}.doc,.prose,.lede,.related,.pub-authors,.pub-abstract,.citation,.notice{max-width:none}}@media(max-width:46rem){body{font-size:17px}.shell,.shell-1{padding:2rem 1.25rem}.header-inner{flex-direction:column;align-items:flex-start;gap:1rem;padding:1.2rem 1.25rem 1rem}.site-nav ul{gap:1.1rem}.footer-inner{padding:2rem 1.25rem 2.5rem}.intro h1{font-size:2.1rem}h1{font-size:1.9rem}.page-header h1{font-size:1.75rem}.pub h1{font-size:1.6rem}h2{font-size:1.18rem;margin-top:2.4rem}.related-list{grid-template-columns:1fr;gap:1.1rem}}@media print{.site-header,.site-footer,.rail-toc,.related,.breadcrumb{display:none}body{font-size:11pt;background:#fff;color:#000}.shell{display:block;padding:0}}