*{box-sizing:border-box} :root{--purple:#8a0eff;--bg:#fff;--ink:#1a1a1a;--muted:#666;--line:#e8e8e8;--soft:#fafafa}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px Arial,Helvetica,sans-serif;transition:background-color .2s ease,color .2s ease}html.dark-theme body{--bg:#101014;--ink:#f6f4fa;--muted:#aaa6b4;--line:#292731;--soft:#17161c}html:not(.dark-theme) body{--bg:#fff;--ink:#1a1a1a;--muted:#666;--line:#e8e8e8;--soft:#fafafa}.site-shell{min-height:100vh}.theme-control{position:absolute;opacity:0;pointer-events:none}.theme-control:checked~.site-shell{--bg:#101014;--ink:#f6f4fa;--muted:#aaa6b4;--line:#292731;--soft:#17161c}.theme-control:checked~.site-shell .theme-toggle{font-size:0}.theme-control:checked~.site-shell .theme-toggle:after{content:'◐';font-size:21px}a{color:inherit;text-decoration:none}.page-width,.site-header{width:min(1180px,calc(100% - 40px));margin:auto}.announcement{padding:8px 20px;background:#1a1a1a;color:#fff;text-align:center;font-size:12px}.announcement span,.announcement a,.eyebrow,.eyebrow-text,.article-meta{color:#b77bff}.announcement a{text-decoration:underline;margin-left:5px}.site-header{padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}.wordmark{display:flex;align-items:center;gap:10px;font:700 20px ui-monospace,monospace;letter-spacing:-.06em}.slash{color:var(--purple)}.globe-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--purple);color:#fff;font:700 28px/1 Arial}.site-header nav,.header-actions{display:flex;align-items:center;gap:32px}.site-header nav{color:var(--muted);font-weight:600}.site-header nav a:hover,.articles-heading a:hover{color:var(--purple)}.header-actions{gap:8px}.theme-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:21px}.theme-toggle:hover{background:var(--soft);color:var(--purple)}.visit-button{padding:11px 16px;border-radius:999px;background:var(--purple);color:#fff;font-weight:700;font-size:13px}.mobile-menu{display:none}.hero{padding-top:52px;padding-bottom:110px;display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:48px}.eyebrow,.eyebrow-text{font:700 11px ui-monospace,monospace;letter-spacing:.18em;text-transform:uppercase}.eyebrow{display:flex;gap:9px;align-items:center}.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--purple)}h1{margin:22px 0 0;font-size:clamp(3.2rem,7.8vw,5.7rem);line-height:.94;letter-spacing:-.075em}h1 em{color:var(--purple);font-style:normal}.hero p{max-width:570px;margin:28px 0 0;color:var(--muted);font-size:19px;line-height:1.55}.hero-card{min-height:290px;padding:32px;border-radius:16px;background:#1a1a1a;color:#fff;display:flex;flex-direction:column;justify-content:space-between}.card-label,.card-meta{color:#b77bff;font:11px ui-monospace,monospace;letter-spacing:.15em;text-transform:uppercase}.card-meta{color:#aaa;letter-spacing:0;text-transform:none}.hero-card p{max-width:360px;margin:14px 0 0;color:#fff;font-size:27px;font-weight:700;line-height:1.15}.hero-card a{display:inline-block;margin-top:22px;color:#b77bff;font-weight:700}.topics-section{padding:48px 0 58px;border-block:1px solid var(--line);background:var(--soft)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-heading h2{margin:7px 0 0;font-size:30px;letter-spacing:-.05em}.section-icon{color:var(--purple)}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.topic-card{display:flex;align-items:center;gap:14px;padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.topic-card:hover{border-color:var(--purple);transform:translateY(-2px)}.topic-card>span:nth-child(2){flex:1}.topic-card b{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:#f3eaff;color:var(--purple);font-size:20px}.topic-card strong,.topic-card small{display:block}.topic-card small{margin-top:6px;color:var(--muted);font-size:11px}.topic-card>span:last-child{color:#aaa}.articles-section{padding-top:92px;padding-bottom:110px}.articles-heading{padding-bottom:18px;border-bottom:1px solid var(--ink)}.articles-heading a{font-weight:700;font-size:13px}.article-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px 40px}.article-card{display:flex;gap:24px;padding-bottom:28px;border-bottom:1px solid var(--line)}.article-image{width:118px;flex:0 0 118px;aspect-ratio:1;overflow:hidden;border-radius:10px;background:#21152e}.article-image img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s}.article-card:hover img{transform:scale(1.03)}.article-body{display:flex;gap:18px;flex:1;min-width:0}.article-body>small{color:#aaa;font:11px ui-monospace,monospace}.article-body>div{flex:1}.article-meta{font-size:10px;font-weight:700;letter-spacing:.14em}.article-meta i{display:inline-block;width:4px;height:4px;margin:0 7px;border-radius:50%;background:var(--purple)}h3{margin:12px 0 0;font-size:20px;line-height:1.22;letter-spacing:-.03em}.article-image.is-placeholder{display:grid;place-items:center;background:var(--soft)}
.card-glyph{font-size:30px;color:var(--purple);opacity:.32}
html.dark-theme .card-glyph{opacity:.5}
.article-card:hover h3{color:var(--purple)}.article-card p{margin:13px 0 0;color:var(--muted);line-height:1.6}.article-card footer{display:flex;justify-content:space-between;gap:10px;margin-top:22px;color:#999;font-size:11px}.article-card footer span{color:var(--ink);font-weight:700}.about-section{padding:72px 0;background:#1a1a1a;color:#fff}.about-inner{display:flex;align-items:end;justify-content:space-between;gap:40px}.about-mark{display:flex;align-items:center;gap:10px;font:13px ui-monospace,monospace}.about-inner h2{max-width:650px;margin:22px 0 0;font-size:clamp(2.2rem,5vw,4rem);line-height:.98;letter-spacing:-.06em}.about-inner p{max-width:500px;color:#aaa;line-height:1.6}.footer{display:flex;flex-direction:column;gap:28px;padding-top:42px;padding-bottom:26px;color:#999;font-size:11px}.footer-search{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-bottom:28px;border-bottom:1px solid var(--line)}.footer-search strong{color:var(--ink);font:700 15px ui-monospace,monospace}.footer form{width:min(480px,100%);display:flex;gap:8px;padding:7px 7px 7px 18px;border:1px solid var(--line);border-radius:999px;background:var(--soft)}.footer input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--ink)}.footer button{border:0;border-radius:999px;padding:11px 20px;background:var(--ink);color:var(--bg);font-weight:700}.footer-meta{display:flex;justify-content:space-between}.footer b{color:var(--purple)}@media(max-width:800px){.site-header>nav,.site-header .visit-button{display:none}.mobile-menu{display:block}.mobile-menu summary{list-style:none;font-size:25px}.mobile-menu nav{display:none}.mobile-menu[open] nav{position:absolute;right:20px;display:flex;flex-direction:column;gap:14px;padding:16px;background:var(--bg);border:1px solid var(--line);z-index:2}.hero{grid-template-columns:1fr;padding-top:35px;padding-bottom:70px}.topic-grid{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:1fr}.about-inner{align-items:start;flex-direction:column}.footer-search{align-items:stretch;flex-direction:column}.footer form{width:100%}.footer-meta{flex-direction:column;gap:10px}}@media(max-width:480px){.page-width,.site-header{width:calc(100% - 28px)}.topic-grid{grid-template-columns:1fr}.hero-card{padding:24px}}.article-page{padding-top:38px}.back-link{display:inline-block;color:var(--muted);font-weight:700}.article-hero{padding:60px 0 70px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:70px}.article-hero h1{max-width:660px}.article-hero p{max-width:560px;margin:25px 0 0;color:var(--muted);font-size:18px;line-height:1.55}.article-byline{display:flex;gap:12px;margin-top:28px;color:var(--muted);font-size:12px}.article-byline i{width:4px;height:4px;margin-top:5px;border-radius:50%;background:var(--purple)}.article-hero-image{overflow:hidden;border-radius:16px;aspect-ratio:1.4;background:#21152e}.article-hero-image img{width:100%;height:100%;display:block;object-fit:cover}.article-layout{display:grid;grid-template-columns:210px minmax(0,680px);justify-content:center;gap:70px;padding-bottom:110px}.article-layout aside{display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--line);padding-top:8px}.article-layout aside a{color:var(--muted);font-size:12px}.prose{font-size:17px;line-height:1.75}.prose .lead{margin-top:0;font-size:22px;line-height:1.5}.prose h2{margin:50px 0 10px;font-size:30px;letter-spacing:-.05em}.prose p{color:var(--muted)}.article-next{display:inline-block;margin-top:30px;color:var(--purple);font-weight:700}@media(max-width:800px){.article-hero{grid-template-columns:minmax(0,1fr);gap:35px;padding-top:35px}.article-layout{grid-template-columns:minmax(0,1fr);gap:35px;padding-bottom:70px}.article-hero>*,.article-layout>*{min-width:0}.eyebrow{flex-wrap:wrap}.article-layout aside{border-top:0}.article-layout aside a{display:inline-block;margin-right:18px}}@media(max-width:480px){.article-hero h1{font-size:3.3rem}.prose{font-size:16px}.prose .lead{font-size:19px}}\n

/* ==========================================================================
   Atlas — generated-site components
   Appended by the static generator. Everything above this line is the original
   ui-theme; everything below styles the markup produced by ui-theme/templates.
   ========================================================================== */

/* --------------------------------------------------------------- utilities */
[hidden]{display:none!important}
.icon-search{width:17px;height:17px;vertical-align:-3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:20;padding:12px 18px;background:var(--purple);color:#fff;font-weight:700;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--purple);outline-offset:2px}

/* ------------------------------------------------------------------ header */
/* The prototype hides the sun glyph and swaps in a moon via ::after; the
   pseudo-element needs an explicit box or the glyph clips in the circle. */
.theme-control:checked~.site-shell .theme-toggle:after{display:block;width:40px;line-height:40px;text-align:center;font-family:"DejaVu Sans","Segoe UI Symbol",Arial,sans-serif}
.search-link{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--muted)}
.footer-search strong{display:flex;align-items:center;gap:6px}
.search-link:hover{background:var(--soft);color:var(--purple)}
.site-header nav a[aria-current="page"]{color:var(--ink);position:relative}
.site-header nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--purple)}

/* -------------------------------------------------------------------- home */
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:34px;flex-wrap:wrap}
.hero-secondary{font-weight:700;font-size:13px;color:var(--muted)}
.hero-secondary:hover{color:var(--purple)}
.hero-card p a{color:#fff}
.hero-card p a:hover{color:#b77bff}
.topic-card.is-empty{opacity:.62}
.topic-card.is-empty small{color:var(--muted);font-style:italic}
.path-preview{padding:72px 0;border-top:1px solid var(--line)}
.path-preview .section-heading a{font-weight:700;font-size:13px}
.path-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;list-style:none;margin:0;padding:0;counter-reset:level}
.path-strip a{display:block;height:100%;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--bg);transition:border-color .2s,transform .2s}
.path-strip a:hover{border-color:var(--purple);transform:translateY(-2px)}
.path-level{display:block;margin-bottom:8px;color:var(--purple);font:700 10px ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}
.path-strip strong{display:block;font-size:15px;line-height:1.25;letter-spacing:-.02em}
.path-strip small{display:block;margin-top:8px;color:var(--muted);font-size:11px}

/* -------------------------------------------------------------- breadcrumbs */
.breadcrumbs{margin-bottom:22px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0;font-size:12px;color:var(--muted)}
.breadcrumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.breadcrumbs a:hover{color:var(--purple)}

/* ----------------------------------------------------------------- article */
.article-hero .eyebrow a:hover{text-decoration:underline}
.article-hero h1{max-width:15ch;font-size:clamp(2.6rem,5.4vw,4.4rem)}
/* without a hero image the title gets the full column */
.article-hero.is-text-only{grid-template-columns:1fr;gap:0}
.article-hero.is-text-only h1{max-width:22ch;font-size:clamp(2.6rem,5vw,3.9rem)}
.article-hero.is-text-only .listing-description,.article-hero.is-text-only p{max-width:760px}
.article-byline .updated{color:var(--purple);font-weight:600}
.topic-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:26px 0 0;padding:0}
.topic-chips a{display:block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted)}
.topic-chips a:hover{border-color:var(--purple);color:var(--purple)}
.article-layout{padding-bottom:80px}
.article-aside{gap:22px}
.article-aside .toc strong{display:block;margin-bottom:6px;color:var(--ink);font:700 10px ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}
.article-aside .toc a{display:block;padding:3px 0 3px 12px;border-left:2px solid transparent;font-size:13px;line-height:1.35}
.article-aside .toc a.toc-3{padding-left:22px;color:#8d8d99}
.article-aside .toc a:hover,.article-aside .toc a.is-active{border-left-color:var(--purple);color:var(--ink)}
.path-badge,.category-badge{display:flex!important;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--soft);font-size:12px!important;color:var(--ink)!important}
.path-badge{flex-direction:column;align-items:flex-start;gap:4px}
.path-badge span{color:var(--purple);font:700 9px ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}
.path-badge strong{font-size:13px;line-height:1.3}
.category-badge b{display:grid;place-items:center;width:34px;height:34px;flex:0 0 34px;border-radius:8px;background:#f3eaff;color:var(--purple);font-size:17px}
html.dark-theme .category-badge b{background:#241733}
.category-badge span{display:block;font-weight:700;line-height:1.3}
.category-badge small{display:block;margin-top:3px;color:var(--muted);font-weight:400}

.heading-anchor{margin-left:.4em;color:var(--purple);opacity:0;font-weight:400;text-decoration:none;transition:opacity .15s}
h2:hover>.heading-anchor,h3:hover>.heading-anchor,h4:hover>.heading-anchor,.heading-anchor:focus{opacity:.65}

/* ------------------------------------------------------------------- prose */
.prose{max-width:100%}
.prose>*:first-child{margin-top:0}
.prose h3{margin:38px 0 8px;font-size:21px;letter-spacing:-.03em}
.prose h4{margin:30px 0 6px;font-size:17px;letter-spacing:-.02em}
.prose ul,.prose ol{margin:18px 0;padding-left:22px;color:var(--muted)}
.prose li{margin:7px 0}
.prose li::marker{color:var(--purple)}
.prose a{color:var(--purple);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose strong{color:var(--ink)}
.prose code{padding:2px 6px;border-radius:5px;background:var(--soft);border:1px solid var(--line);font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--purple);overflow-wrap:anywhere}
.prose pre{position:relative;margin:22px 0;padding:18px 20px;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#14131a;color:#e8e4f2;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;tab-size:2}
html.dark-theme .prose pre{background:#0d0c11}
.prose pre code{padding:0;border:0;background:none;color:inherit;font-size:inherit}
.prose blockquote{margin:24px 0;padding:2px 0 2px 20px;border-left:3px solid var(--purple);color:var(--muted);font-style:italic}
.prose blockquote p{margin:8px 0}
.prose hr{margin:44px 0;border:0;border-top:1px solid var(--line)}
.prose img{display:block;max-width:100%;height:auto;margin:0;border-radius:12px;background:var(--soft)}
.prose figure{margin:28px 0}
.prose figcaption{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.5}
.prose .table-scroll{margin:24px 0;overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.prose table{width:100%;border-collapse:collapse;font-size:14px}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--soft);color:var(--ink);font-size:12px;letter-spacing:.04em;text-transform:uppercase}
.prose tr:last-child td{border-bottom:0}
.prose .lead{color:var(--ink)}

/* ---------------------------------------------------------------- callouts */
.callout{margin:26px 0;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--purple);border-radius:10px;background:var(--soft)}
.callout__title{margin:0 0 6px!important;color:var(--ink)!important;font:700 12px/1.4 ui-monospace,monospace;letter-spacing:.1em;text-transform:uppercase}
.callout__body,.callout p{margin:6px 0}
.callout p:last-child{margin-bottom:0}
.callout--tip{border-left-color:#2ea36b}
.callout--important{border-left-color:#d68b17}
.callout--warning,.callout--caution{border-left-color:#d2453f}
.callout--warning .callout__title,.callout--caution .callout__title{color:#d2453f}
.callout--note .callout__title{color:var(--purple)}

/* ----------------------------------------------------------------- sources */
.article-sources{margin:46px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.article-sources h2{margin:0 0 14px;font-size:15px;letter-spacing:0;text-transform:uppercase;font-family:ui-monospace,monospace;color:var(--muted)}
.article-sources ol{margin:0;padding-left:20px;font-size:14px}
.article-sources li{margin:8px 0;color:var(--muted)}
.article-sources a{color:var(--purple)}
.source-publisher,.source-date{color:var(--muted);font-size:12px}
.source-publisher::before,.source-date::before{content:" · "}

/* ----------------------------------------------------------------- related */
.related-section{margin:52px 0 0}
.related-section .section-heading h2{margin:6px 0 0;font-size:24px;letter-spacing:-.04em}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.related-card{display:block;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.related-card:hover{border-color:var(--purple)}
.related-meta{display:block;color:var(--purple);font:700 10px ui-monospace,monospace;letter-spacing:.13em;text-transform:uppercase}
.related-card h3{margin:10px 0 0;font-size:16px;line-height:1.25}
.related-card p{margin:9px 0 0;color:var(--muted);font-size:13px;line-height:1.5}

/* ------------------------------------------------------------------ pager */
.article-pager{display:flex;gap:14px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.article-pager a{flex:1;padding:16px;border:1px solid var(--line);border-radius:12px}
.article-pager a:hover{border-color:var(--purple)}
.pager-next{text-align:right}
.article-pager small{display:block;color:var(--muted);font-size:11px}
.article-pager strong{display:block;margin-top:6px;font-size:15px;line-height:1.3}
.article-footnote{margin:32px 0 0;color:var(--muted);font-size:12px;line-height:1.6}

/* ------------------------------------------------------------------ cards */
.pill-updated{margin-left:8px;padding:2px 7px;border-radius:999px;background:#f3eaff;color:var(--purple);font:700 9px ui-monospace,monospace;letter-spacing:.1em;font-style:normal}
html.dark-theme .pill-updated{background:#241733}
.card-updated{margin-left:8px;color:var(--purple);font-weight:700}

/* --------------------------------------------------------------- listings */
.listing-page{padding-top:38px;padding-bottom:80px}
.listing-header{padding:34px 0 30px;border-bottom:1px solid var(--line);margin-bottom:26px}
.listing-header h1{max-width:820px;margin:16px 0 0;font-size:clamp(2.2rem,5.4vw,3.6rem);line-height:1;letter-spacing:-.06em}
.listing-description{max-width:640px;margin:20px 0 0;color:var(--muted);font-size:17px;line-height:1.6}
.listing-count{margin:16px 0 0;color:var(--muted);font:700 11px ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase}
.listing-relations{margin:10px 0 0;font-size:13px;color:var(--muted)}
.listing-relations a{color:var(--purple)}
.category-header{display:flex;align-items:flex-start;gap:26px}
.category-glyph{display:grid;place-items:center;width:64px;height:64px;flex:0 0 64px;border-radius:14px;background:#f3eaff;color:var(--purple);font-size:30px}
html.dark-theme .category-glyph{background:#241733}





.listing-grid{grid-template-columns:1fr 1fr}

.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 26px}
.filter-label{margin-right:6px;color:var(--muted);font:700 10px ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}
.filter{padding:7px 13px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted)}
.filter span{margin-left:5px;opacity:.65}
.filter:hover{border-color:var(--purple);color:var(--purple)}
.filter.is-active{border-color:var(--purple);background:var(--purple);color:#fff}
.empty-state{margin:40px 0;padding:44px;border:1px dashed var(--line);border-radius:14px;text-align:center}
.empty-state h2{margin:0;font-size:20px}
.empty-state p{margin:12px 0 22px;color:var(--muted)}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.pagination a{font-weight:700}
.pagination a:hover{color:var(--purple)}
.pagination em{font-style:normal;opacity:.65}
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.category-card{display:flex;gap:18px;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.category-card:hover{border-color:var(--purple)}
.category-card-icon{display:grid;place-items:center;width:46px;height:46px;flex:0 0 46px;border-radius:10px;background:#f3eaff;color:var(--purple);font-size:22px}
html.dark-theme .category-card-icon{background:#241733}
.category-card h2{margin:0;font-size:18px;letter-spacing:-.03em}
.category-card p{margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.category-card small{display:block;margin-top:11px;color:var(--muted);font-size:11px}

/* ------------------------------------------------------------------- path */
.path-levels{list-style:none;margin:0;padding:0;counter-reset:level}
.path-level-row{padding:30px 0;border-bottom:1px solid var(--line)}
.path-level-head{display:flex;align-items:flex-start;gap:20px}
.path-level-number{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:10px;background:#f3eaff;color:var(--purple);font:700 17px ui-monospace,monospace}
.path-level-number.big{width:64px;height:64px;flex:0 0 64px;font-size:24px;border-radius:14px}
html.dark-theme .path-level-number{background:#241733}
.path-level-head h2{margin:0;font-size:22px;letter-spacing:-.04em}
.path-level-head h2 a:hover{color:var(--purple)}
.path-level-head p{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.path-level-head small{display:block;margin-top:8px;color:var(--muted);font-size:11px}
.path-level-link{margin-left:auto;font-weight:700;font-size:13px;color:var(--purple);white-space:nowrap}
.path-articles{list-style:none;margin:20px 0 0;padding:0 0 0 64px}
.path-articles li{display:grid;grid-template-columns:26px 1fr auto;gap:14px;align-items:baseline;padding:9px 0;border-top:1px dashed var(--line)}
.path-step{color:var(--purple);font:700 11px ui-monospace,monospace}
.path-articles a{font-weight:600}
.path-articles a:hover{color:var(--purple)}
.path-articles small{color:var(--muted);font-size:11px}
.path-reading-order{list-style:none;margin:0;padding:0;counter-reset:step}
.path-reading-order li{display:grid;grid-template-columns:34px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.path-article-title{font-size:17px;font-weight:700;letter-spacing:-.02em}
.path-article-title:hover{color:var(--purple)}
.path-reading-order p{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.path-reading-order small{display:block;margin-top:9px;color:var(--muted);font-size:11px}
.path-level-nav{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px;font-size:13px;font-weight:700}
.path-level-nav a{color:var(--purple)}

/* ------------------------------------------------------------------ search */
.search-page{padding-top:38px;padding-bottom:80px}
.search-box{position:relative;display:flex;align-items:center;gap:10px;margin:30px 0 0;padding:8px 8px 8px 18px;border:1px solid var(--line);border-radius:999px;background:var(--soft)}
.search-box:focus-within{border-color:var(--purple)}
.search-icon{display:flex;align-items:center;color:var(--muted)}
.search-icon .icon-search{width:18px;height:18px}
.search-box input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--ink);font-size:16px}
.search-box input::-webkit-search-cancel-button{display:none}
.search-submit{padding:11px 22px;border:0;border-radius:999px;background:var(--ink);color:var(--bg);font-weight:700}
.search-clear{border:0;background:transparent;color:var(--muted);font-size:15px;padding:8px}
.search-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin:22px 0 0}
.search-summary{margin:0;font-size:14px;color:var(--muted)}
.search-summary strong{color:var(--ink)}
.search-summary em{font-style:normal;opacity:.7}
.search-facets{display:flex;flex-wrap:wrap;gap:14px}
.facet{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.facet select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:12px}
.search-results{margin-top:30px;display:grid;gap:0}
.search-result{display:grid;grid-template-columns:1fr;gap:0;padding:24px 0;border-bottom:1px solid var(--line)}
.search-result:has(.search-result-image){grid-template-columns:96px 1fr;gap:22px}
.search-result-image img{width:96px;height:96px;object-fit:cover;border-radius:10px;background:var(--soft)}
.search-result h3{margin:8px 0 0;font-size:20px;letter-spacing:-.03em}
.search-result h3 a:hover{color:var(--purple)}
.search-result p{margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.6}
.search-result footer{display:flex;gap:10px;margin-top:14px;color:var(--muted);font-size:11px}
.search-result footer span:last-child{margin-left:auto;color:var(--ink);font-weight:700}
.search-result mark{padding:0 2px;background:#f3eaff;color:var(--purple);border-radius:3px;font-weight:700}
html.dark-theme .search-result mark{background:#2d1b45}
.search-result .is-focused{outline:2px solid var(--purple);outline-offset:3px;border-radius:4px}
.search-loading{margin:20px 0 0;color:var(--muted);font-size:13px}
.search-noscript,.search-error{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}
.search-browse{margin-top:44px}
.search-browse h2{margin:0 0 18px;font-size:22px;letter-spacing:-.04em}

/* ------------------------------------------------------------------ 404 */
.notfound{max-width:760px;padding:70px 0 90px}
.notfound h1{margin:18px 0 0;font-size:clamp(2.4rem,6vw,4rem);line-height:1;letter-spacing:-.06em}
.notfound>p{margin:22px 0 0;color:var(--muted);font-size:17px;line-height:1.6}
.notfound-search{display:flex;gap:10px;margin:30px 0 0;padding:8px 8px 8px 18px;border:1px solid var(--line);border-radius:999px;background:var(--soft);max-width:520px}
.notfound-search input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--ink)}
.notfound-search button{border:0;border-radius:999px;padding:11px 20px;background:var(--ink);color:var(--bg);font-weight:700}
.notfound-links{display:flex;flex-wrap:wrap;gap:20px;list-style:none;margin:34px 0 0;padding:0;font-weight:700;font-size:13px}
.notfound-links a:hover{color:var(--purple)}

/* ----------------------------------------------------------------- footer */
.site-footer{background:var(--soft);border-top:1px solid var(--line)}
.footer-columns{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;padding-bottom:28px}
.footer-about p{max-width:340px;margin:14px 0 0;color:var(--muted);line-height:1.6}
.footer-nav,.footer-meta-block{display:flex;flex-direction:column;align-items:flex-start;gap:11px;font-size:13px}
.footer-nav strong,.footer-meta-block strong{margin-bottom:3px;color:var(--muted);font:700 10px ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}
.footer-nav a:hover,.footer-meta-block a:hover{color:var(--purple)}
.footer{border:0}
.footer .footer-meta{border-top:1px solid var(--line);padding-top:22px}

/* -------------------------------------------------------------- responsive */
@media(max-width:900px){
  .footer-columns{grid-template-columns:1fr 1fr;gap:28px}
  .listing-grid{grid-template-columns:1fr}
}
@media(max-width:800px){
  .article-hero .eyebrow a{flex-basis:100%}
  
  
  .path-articles{padding-left:0}
  .path-level-head{flex-wrap:wrap}
  .path-level-link{margin-left:0}
  .article-pager{flex-direction:column}
  .pager-next{text-align:left}
  .article-aside .toc a{display:inline-block;margin-right:16px;border-left:0;padding-left:0}
  .search-toolbar{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  .footer-columns{grid-template-columns:1fr}
  .search-box,.notfound-search{border-radius:16px}
  .search-submit{padding:11px 16px}
}

/* ==========================================================================
   Diagrams — inline SVG, themed through CSS variables
   ========================================================================== */
:root{
  --diagram-bg:transparent;
  --diagram-panel:#fafafa;
  --diagram-ink:#1a1a1a;
  --diagram-muted:#6b6b6b;
  --diagram-line:#e2e2e2;
  --diagram-accent:#8a0eff;
  --diagram-accent-soft:#f3eaff;
  --diagram-good:#1f8a5b;
  --diagram-warn:#d2453f;
}
html.dark-theme{
  --diagram-panel:#17161c;
  --diagram-ink:#f6f4fa;
  --diagram-muted:#aaa6b4;
  --diagram-line:#2c2a34;
  --diagram-accent:#a05cff;
  --diagram-accent-soft:#241733;
  --diagram-good:#43c98a;
  --diagram-warn:#ff6b63;
}
.atlas-diagram{margin:30px 0}
.atlas-diagram svg{display:block;width:100%;height:auto;max-width:100%}
.atlas-diagram figcaption{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.5}
.atlas-diagram .bg{fill:var(--diagram-bg)}
.atlas-diagram .panel{fill:var(--diagram-panel);stroke:var(--diagram-line);stroke-width:1}
.atlas-diagram .line{stroke:var(--diagram-line);stroke-width:1.5;fill:none}
.atlas-diagram .rule{stroke:var(--diagram-line);stroke-width:1;stroke-dasharray:4 5}
.atlas-diagram .accent{stroke:var(--diagram-accent);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.atlas-diagram .accent-fill{fill:var(--diagram-accent);stroke:none}
.atlas-diagram .accent-soft{fill:var(--diagram-accent-soft);stroke:none}
.atlas-diagram .ink-fill{fill:var(--diagram-ink);stroke:none}
.atlas-diagram .muted-fill{fill:var(--diagram-muted);stroke:none}
.atlas-diagram .good{stroke:var(--diagram-good);stroke-width:2;fill:none;stroke-linecap:round}
.atlas-diagram .good-fill{fill:var(--diagram-good);stroke:none}
.atlas-diagram .warn{stroke:var(--diagram-warn);stroke-width:2;fill:none;stroke-linecap:round}
.atlas-diagram .warn-fill{fill:var(--diagram-warn);stroke:none}
.atlas-diagram .node{fill:var(--diagram-panel);stroke:var(--diagram-line);stroke-width:1.5}
.atlas-diagram .node-accent{fill:var(--diagram-accent-soft);stroke:var(--diagram-accent);stroke-width:1.5}
.atlas-diagram .title{font:700 13px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;fill:var(--diagram-accent)}
.atlas-diagram .label{font:600 13px ui-monospace,SFMono-Regular,Menlo,monospace;fill:var(--diagram-ink)}
.atlas-diagram .small{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;fill:var(--diagram-muted);letter-spacing:.04em}
.atlas-diagram .chip{font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em;fill:var(--diagram-muted)}