@font-face{font-family:'HSE Sans';src:url('/fonts/hse-sans-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'HSE Sans';src:url('/fonts/hse-sans-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'HSE Sans';src:url('/fonts/hse-sans-700.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'HSE Sans';src:url('/fonts/hse-sans-900.woff2') format('woff2');font-weight:900;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('/fonts/jetbrains-mono-latin.woff2') format('woff2');font-weight:400 800;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2190-21FF}
@font-face{font-family:'JetBrains Mono';src:url('/fonts/jetbrains-mono-cyrillic.woff2') format('woff2');font-weight:400 800;font-display:swap;unicode-range:U+0400-045F,U+0490-0491,U+2116}
:root{--brand:#0f2d69;--ink:#101a33;--muted:#5d6b8a;--line:#dce3ef;--surface:#f3f6fb;--accent:#0a6e96;--sans:'HSE Sans',sans-serif;--mono:'JetBrains Mono',monospace}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:var(--sans);font-size:17px;line-height:1.65}a{color:var(--brand);text-underline-offset:4px}a:hover{color:var(--accent)}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button,a,input,summary{ -webkit-tap-highlight-color:transparent} :focus-visible{outline:3px solid #0a6e96;outline-offset:4px}main:focus{outline:none}[hidden]{display:none!important}.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:fixed;z-index:20;left:20px;top:-90px;background:var(--brand);color:white;padding:12px 20px}.skip-link:focus{top:12px}.header{height:76px;display:flex;align-items:center;gap:28px;padding:0 36px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}.wordmark{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:.01em;text-decoration:none}.header-section{border-left:1px solid var(--line);padding-left:28px;text-decoration:none;color:var(--muted);font-size:15px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:28px}.back-site{font-size:14px;text-decoration:none}.search-trigger{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);color:var(--muted);padding:6px 12px;font-size:14px;border-radius:4px;min-height:38px}.search-trigger>span{font-size:25px;line-height:1}.search-trigger kbd{background:#fff;margin-left:32px;font-size:10px}.layout{display:grid;grid-template-columns:248px minmax(0,800px) 204px;max-width:1440px;margin:0 auto;gap:46px;padding:0 36px}.sidebar{position:sticky;top:76px;align-self:start;height:calc(100dvh - 76px);overflow-y:auto;padding:30px 0 24px;scrollbar-width:thin}.nav-group{margin-bottom:26px}.nav-label{font-family:var(--mono);font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 10px}.sidebar ul,.toc ul{list-style:none;padding:0;margin:0}.sidebar li{margin:2px 0}.sidebar li a{display:block;padding:6px 11px;font-size:14px;line-height:1.45;text-decoration:none;border-left:2px solid transparent;color:#465473}.sidebar a:hover{background:var(--surface);color:var(--brand)}.sidebar a[aria-current=page]{background:#e7eef9;color:var(--brand);font-weight:600;border-color:var(--brand)}.sidebar-foot{font-size:12px;color:var(--brand);border-top:1px solid var(--line);padding-top:19px}.sidebar-foot>span:last-child{color:var(--muted);font-size:11px}.status-dot{display:inline-block;background:#1b7a4b;width:6px;height:6px;border-radius:50%;margin-right:6px}.mobile-nav>summary{display:none}main{min-width:0;padding:45px 0 0}.article-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.eyebrow,.doc-kind{font:500 10px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.doc-kind{font-size:9px;letter-spacing:.04em}h1{font-size:clamp(34px,3.2vw,49px);line-height:1.08;letter-spacing:-.035em;font-weight:900;color:var(--brand);margin:0 0 21px;max-width:760px}.lead{font-size:20px;line-height:1.5;color:var(--muted);margin:0 0 34px;max-width:720px}.article-body{border-top:1px solid var(--line);padding-top:5px}.article-body h2{font-size:25px;line-height:1.2;letter-spacing:-.025em;margin:40px 0 15px;font-weight:700}.article-body p{margin:14px 0}.article-body li{margin:9px 0;padding-left:5px}.article-body ul,.article-body ol{padding-left:24px}.article-body strong{font-weight:600}code{font:400 .79em/1.65 var(--mono);background:var(--surface);padding:2px 5px;overflow-wrap:anywhere;border-radius:2px}pre{position:relative;background:#0c1831;color:#e2e9f7;padding:23px 24px;margin:23px 0;overflow-x:auto;border-radius:4px;font-size:14px;line-height:1.75;tab-size:2}pre code{padding:0;background:transparent;color:inherit;font-size:12px;border-radius:0;overflow-wrap:normal;white-space:pre}.copy-code{position:absolute;right:8px;top:8px;border:1px solid #4a5c80;background:#182847;color:#e2e9f7;font-size:10px;padding:4px 7px;border-radius:3px;opacity:0}.copy-code:focus-visible,pre:hover .copy-code{opacity:1}kbd{font:400 11px/1.4 var(--mono);border:1px solid #c9d3e3;border-bottom-width:2px;padding:3px 5px;border-radius:3px;background:#fff;white-space:nowrap}.callout{border-left:3px solid var(--brand);padding:16px 21px;background:var(--surface);margin:24px 0;font-size:16px}.callout>strong{color:var(--brand)}.callout p:last-child{margin-bottom:0}.callout p:first-of-type{margin-top:6px}.table-wrap{overflow-x:auto;margin:20px 0;max-width:100%;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.5;text-align:left}th{background:var(--surface);color:var(--brand);font-weight:600}td,th{padding:13px 15px;vertical-align:top;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:0}td:first-child{min-width:155px}td code{font-size:11px}.toc{position:sticky;top:118px;align-self:start;max-height:calc(100dvh - 144px);overflow-y:auto;padding-left:17px;border-left:1px solid var(--line);margin-top:45px}.toc a{font-size:12px;line-height:1.45;display:block;padding:6px 0;color:var(--muted);text-decoration:none}.toc a:hover,.toc a[aria-current=location]{color:var(--brand);text-decoration:underline}.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);margin-top:55px;padding-top:22px}.pager a{text-decoration:none;border:1px solid var(--line);padding:15px;display:flex;flex-direction:column;gap:5px}.pager a:last-child{text-align:right}.pager a:hover{border-color:var(--brand);background:var(--surface)}.pager span{font-size:12px;color:var(--muted)}.pager strong{font-size:15px;font-weight:600}.article-footer{display:flex;gap:20px;justify-content:space-between;font-size:11px;color:var(--muted);padding:29px 0;margin-top:25px}.article-footer a{color:var(--muted);text-decoration:none}.intro-note{border-left:3px solid var(--brand);padding-left:21px;margin:28px 0}.intro-note .eyebrow{color:var(--brand)}.intro-note p{font-size:17px;margin:9px 0}.routes{display:grid;grid-template-columns:1fr;gap:0;margin:31px 0}.route{padding:23px 48px 23px 24px;position:relative;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-bottom:0;transition:background .15s}.route:last-child{border-bottom:1px solid var(--line)}.route:first-child{background:var(--brand);color:#fff;border-color:var(--brand)}.route:first-child .route-number,.route:first-child p{color:#d7e4fa}.route:hover{background:var(--surface);color:var(--brand)}.route:first-child:hover{background:#163e82;color:#fff}.route-number{font:500 10px/1.5 var(--mono);color:var(--muted);letter-spacing:.05em}.article-body .route h2{font-size:26px;margin:8px 0 5px}.article-body .route p{font-size:15px;margin:0;color:var(--muted);line-height:1.5}.route-arrow{position:absolute;right:24px;top:50%;font-size:27px;transform:translateY(-50%)}.workspace{margin:26px 0}.workspace img{max-width:100%;height:auto;display:block;border:1px solid var(--line);box-shadow:0 12px 26px -16px #132c6b38}.workspace figcaption{font-size:12px;line-height:1.5;color:var(--muted);margin-top:11px}.link-rows{border-top:1px solid var(--line);margin-top:20px}.link-rows a{display:flex;justify-content:space-between;align-items:center;gap:20px;text-decoration:none;border-bottom:1px solid var(--line);padding:16px 0;font-size:15px}.link-rows span{font-size:13px;color:var(--muted)}.architecture{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:8px;padding:26px;margin:23px 0;font-size:14px}.architecture>span,.architecture>div>span{background:#fff;border:1px solid #bac9e2;padding:10px 15px;color:var(--brand)}.architecture b{font-size:11px;color:var(--muted);font-weight:400}.architecture>div{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.architecture>div>span{font-size:13px}dialog{width:min(700px,calc(100% - 32px));border:1px solid var(--line);border-radius:6px;padding:0;max-height:min(76dvh,720px);box-shadow:0 28px 100px #06163440;color:var(--ink);margin:12dvh auto auto}dialog::backdrop{background:#06163488;backdrop-filter:blur(3px)}.search-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 24px 12px}.search-heading h2{font-size:19px;margin:0;font-weight:700}.close-search{width:34px;height:34px;font-size:26px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:3px}#search-input{width:calc(100% - 48px);margin:0 24px;padding:13px 12px;font-size:16px;border:1px solid #a8b8d2;border-radius:3px}#search-status{font-size:12px;margin:12px 24px;color:var(--muted)}#search-results{padding:0 12px;max-height:43dvh;overflow-y:auto}.search-result{display:block;padding:13px 12px;border-top:1px solid var(--line);text-decoration:none}.search-result:hover{background:var(--surface)}.search-result small{font-size:11px;color:var(--muted);display:block;margin-bottom:3px}.search-result strong{font-size:17px;color:var(--brand);font-weight:600}.search-result p{font-size:13px;line-height:1.5;color:var(--muted);margin:5px 0}.search-foot{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted);padding:17px 24px;background:var(--surface);margin-top:12px}.search-foot kbd{font-size:9px}body.search-open{overflow:hidden}
@media(min-width:1440px){.overview h1{font-size:62px;max-width:640px}.overview .routes{grid-template-columns:1fr 1fr 1fr}.overview .route{padding:24px 20px 45px;border:1px solid var(--line);border-right:0}.overview .route:last-child{border-right:1px solid var(--line)}.overview .route-arrow{top:auto;bottom:10px;right:20px;transform:none}.overview .route h2{font-size:24px;line-height:1.08;min-height:52px}.overview .route-number{font-size:8px}.overview .route p{font-size:14px}}
@media(max-width:1190px){.layout{grid-template-columns:216px minmax(0,1fr);gap:34px;max-width:1130px}.toc{display:none}.header{padding:0 28px}.layout{padding:0 28px}.sidebar li a{font-size:13px}.doc-kind{display:none}}
@media(max-width:760px){.header{height:64px;padding:0 20px;gap:16px}.wordmark{font-size:18px;gap:8px}.wordmark svg{width:21px}.header-section{font-size:12px;padding-left:16px}.header-actions{gap:0}.back-site{display:none}.search-trigger{background:transparent;border:0;padding:0 2px;font-size:0;min-width:30px;justify-content:center}.search-trigger>span{font-size:30px}.search-trigger kbd{display:none}.layout{display:block;padding:0 22px}.sidebar{position:static;height:auto;padding:0;overflow:visible;border-bottom:1px solid var(--line);margin:0 -22px}.mobile-nav>summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;font-size:14px;color:var(--brand);padding:14px 22px;background:var(--surface)}.mobile-nav>summary::-webkit-details-marker{display:none}.mobile-nav[open]>summary{border-bottom:1px solid var(--line)}.mobile-nav[open]>summary>span{transform:rotate(180deg)}.mobile-nav nav{padding:23px 22px 4px;display:grid;grid-template-columns:1fr 1fr;column-gap:15px}.mobile-nav .nav-group:last-child{grid-column:1/-1}.sidebar li a{font-size:14px;min-height:34px}.sidebar-foot{display:none}main{padding-top:29px}.article-top{margin-bottom:17px}h1{font-size:38px;max-width:620px}.lead{font-size:18px;margin-bottom:25px}.article-body h2{font-size:24px;margin-top:34px}.article-body{font-size:16px}.toc{display:none}.article-footer{flex-direction:column;gap:4px}.pager{gap:10px;margin-top:40px}.pager a{padding:11px}.pager strong{font-size:14px}pre{margin:20px -3px;padding:22px 17px}pre code{font-size:11px}.copy-code{opacity:1;top:5px;right:5px;font-size:9px}.routes{margin-top:25px}.route{padding:20px 45px 20px 20px}.article-body .route h2{font-size:26px}.link-rows a{align-items:flex-start;flex-direction:column;gap:3px}.callout{padding:15px 17px}.search-heading{padding:17px 18px 12px}.search-heading h2{font-size:17px}#search-input{width:calc(100% - 36px);margin:0 18px;font-size:15px}#search-status{margin:12px 18px}.search-foot{padding:14px 18px}.search-foot>span:first-child{max-width:180px}td,th{padding:12px}.table-wrap{font-size:13px}td:first-child{min-width:125px}}
@media(max-width:380px){.header-section{display:none}.mobile-nav nav{display:block}h1{font-size:34px}.pager{grid-template-columns:1fr}.pager>span:empty{display:none}.pager a:last-child{text-align:left}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}dialog::backdrop{backdrop-filter:none}}
@media print{.header,.sidebar,.toc,.pager,.copy-code,dialog{display:none!important}.layout{display:block;max-width:none;padding:0}main{padding:0}body{font-size:11pt}h1{font-size:28pt}.article-body h2{break-after:avoid}pre,.callout,table{break-inside:avoid}pre{white-space:pre-wrap;background:#f3f6fb;color:#101a33}pre code{white-space:pre-wrap}.table-wrap{overflow:visible}a{color:inherit}.article-footer{border-top:1px solid #ccc}.workspace img{max-height:12cm;width:auto;max-width:100%}}
/* Keep the primary route's supporting text readable over the brand background. */
.article-body .route:first-child p{color:#d7e4fa}