:root{--lab-rail:244px;--lab-blue:#58758a;--lab-ochre:#9a7542;--lab-clay:#a16052}
html{scroll-padding-top:100px;scrollbar-gutter:stable}
body{padding:0;background:var(--paper);font-size:15px}
.lab-sidebar{position:fixed;inset:0 auto 0 0;width:var(--lab-rail);border-right:1px solid var(--line);background:var(--paper);z-index:80;display:flex;flex-direction:column;padding:28px 20px 20px}
.lab-sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}
.lab-wordmark{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:500;letter-spacing:.04em;white-space:nowrap;color:var(--ink);text-decoration:none}
.lab-wordmark img{width:48px;height:48px;flex-shrink:0}
.lab-wordmark b{color:var(--sage-dark);font-weight:600}
.lab-close{display:none;min-width:42px;min-height:42px;border:1px solid var(--line);background:none}
.lab-sidebar-caption{color:var(--muted);font-size:12px;margin:0 0 16px}
.lab-search{display:block;margin-bottom:20px}
.lab-search span{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}
.lab-search input{width:100%;border:0;border-bottom:1px solid var(--line-dark);border-radius:0;background:transparent;padding:9px 0;font:inherit;font-size:14px;color:var(--ink)}
.lab-chapters{overflow-y:auto;min-height:0;scrollbar-width:thin;scrollbar-color:var(--line-dark) transparent;padding-right:5px}
.lab-group{margin-bottom:12px}.lab-group-title{display:flex;align-items:center;justify-content:space-between;gap:9px;min-height:40px;padding:8px 6px;font-size:10px;line-height:1.5;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0}
.lab-group>summary,.lab-chapter>summary{list-style:none}.lab-group>summary::-webkit-details-marker,.lab-chapter>summary::-webkit-details-marker{display:none}
.lab-disclosure-body{display:grid;grid-template-rows:1fr}.lab-disclosure-inner{min-height:0;overflow:hidden}
.lab-nav-link{display:flex;align-items:center;gap:9px;min-height:40px;padding:8px 6px;text-decoration:none;color:var(--muted);font-size:12px;line-height:1.4;border-bottom:0}
.lab-nav-link .lab-nav-number{font-size:10px;color:var(--sage-dark);min-width:17px;font-variant-numeric:tabular-nums;flex:none}.lab-nav-title{flex:1;min-width:0}
.lab-nav-chevron{flex:none;color:var(--sage-dark);transition:transform 200ms var(--ease)}.lab-group[open]>.lab-group-title>.lab-nav-chevron,.lab-chapter[open]>.lab-nav-link>.lab-nav-chevron{transform:rotate(90deg)}.lab-sidebar details[data-expanded=false]>summary>.lab-nav-chevron{transform:none}
.lab-nav-link:hover,.lab-group-title:hover{color:var(--ink);background:var(--wash)}.lab-chapter.is-current>.lab-nav-link{color:var(--ink);background:var(--wash);font-weight:500}
.lab-sidebar summary:focus-visible{background:var(--wash);text-decoration:underline;text-underline-offset:4px}
.lab-local{padding:0 0 8px 32px}.lab-local a{display:flex;align-items:center;min-height:40px;padding:7px 0;font-size:11px;color:var(--muted);text-decoration:none;line-height:1.4}.lab-local a:hover{color:var(--ink)}.lab-local a[aria-current=location]{color:var(--sage-dark);text-decoration:underline;text-underline-offset:4px}.lab-local .lab-read-chapter{color:var(--sage-dark)}.lab-local .lab-read-chapter[aria-current=page]{font-weight:500}
@media(prefers-reduced-motion:reduce){.lab-nav-chevron{transition:none}}
.lab-nav-empty{font-size:13px;color:var(--muted);margin-top:8px}
.lab-header{height:66px;position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-left:var(--lab-rail);padding:0 42px;border-bottom:1px solid var(--line);background:var(--paper)}
.lab-menu-button{display:none;align-items:center;gap:9px;border:0;background:none;font:inherit;font-size:13px;color:var(--ink);min-height:44px;padding:8px 0}
.lab-menu-button svg{width:20px;height:20px}.lab-header-title{font-size:12px;color:var(--muted)}.lab-header-link{font-size:12px;color:var(--sage-dark);text-underline-offset:5px}
.lab-main{margin-left:var(--lab-rail);padding:42px 46px 0;min-width:0;max-width:1480px}
.lab-intro{padding:0 0 32px;max-width:820px}.lab-intro h1{font-size:clamp(36px,4.5vw,64px);line-height:1.07;letter-spacing:-.035em;font-weight:450;margin:0 0 22px;max-width:19ch;text-wrap:balance}
.lab-intro p{font-size:17px;line-height:1.65;max-width:67ch;margin:0;color:var(--muted)}
.lab-main .chapter-section{--section-start:44px;padding-block:44px}.lab-main .section-head h2{font-size:clamp(26px,3vw,37px)}
.lab-main .chapter-close{margin-top:44px}.lab-main .text-grid{gap:28px}
.lab-page-note{border-top:1px solid var(--line);padding:16px 0;margin:42px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.lab-footer{margin-left:var(--lab-rail);padding:24px 46px;border-top:1px solid var(--line);display:flex;gap:15px;justify-content:space-between;color:var(--muted);font-size:11px}
.lab-backdrop{position:fixed;inset:0;background:rgb(8 14 27/.24);z-index:70;border:0;border-radius:0}
.lab-home-opening{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:36px;padding-bottom:45px}.lab-home-opening h1{font-size:clamp(44px,5.5vw,78px);line-height:1.02;letter-spacing:-.035em;font-weight:450;margin:0 0 24px;text-wrap:balance}.lab-home-opening p{font-size:17px;color:var(--muted);line-height:1.65;max-width:56ch}.lab-home-opening figure{margin:0}.lab-home-opening figcaption{font-size:11px;color:var(--muted);line-height:1.5;text-align:right}.lab-home-opening picture{display:block}.lab-home-opening .lab-datacenter-art{display:block;width:100%;height:auto;max-height:580px;object-fit:contain}
.lab-home-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.lab-chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:0 38px}.lab-chapter-item{display:grid;grid-template-columns:30px 1fr 18px;gap:12px;align-items:baseline;border-top:1px solid var(--line);padding:20px 0;color:var(--ink);text-decoration:none}.lab-chapter-item small{font-size:11px;color:var(--sage-dark)}.lab-chapter-item strong{font-size:18px;font-weight:450;display:block;line-height:1.25}.lab-chapter-item p{font-size:13px;color:var(--muted);margin:8px 0 0;line-height:1.6}.lab-chapter-item svg{width:16px;height:16px}.lab-chapter-item:hover strong{color:var(--sage-dark)}
.lab-bridge{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:var(--wash);padding:24px 28px;margin:30px 0}.lab-bridge h2{font-size:25px;margin:0 0 9px}.lab-bridge p{font-size:14px;line-height:1.6;max-width:64ch;margin:0}.lab-bridge a{white-space:nowrap}
.lab-asset-list{list-style:none;padding:0}.lab-asset-list li{padding:20px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:170px 1fr;gap:24px}.lab-asset-list strong{font-weight:450}.lab-asset-list p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.lab-demo-note{font-size:12px;line-height:1.5;color:var(--muted);margin:0 0 20px}
.lab-current-location{font-weight:400}.lab-main svg{max-width:100%}.lab-main p,.lab-main td{overflow-wrap:break-word}
.lab-header-title{min-width:0;line-height:1.35}.lab-current-location{color:var(--ink)}
@media(max-width:600px){.lab-header-title{font-size:11px;text-align:right;max-width:52%;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.lab-menu-button{flex-shrink:0}}
.lab-main .button{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:13px 19px;background:var(--button);color:#fff;text-decoration:none;font-size:13px;line-height:1.4;min-height:44px}.lab-main .button .icon{width:18px;height:18px}.lab-main .button:hover{background:var(--sage-dark)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.lab-main .tech-section:first-child{padding-top:0}.lab-main .tech-demo{font-size:12px;line-height:1.6;color:var(--muted);max-width:95ch;margin:0 0 20px}.lab-main .tech-section>h2.sr-only{font-size:1px;margin:-1px}.lab-main .eco-page>div[data-eco-view]>.chapter-section:first-child{--section-start:26px}
@media(max-width:600px){.lab-main .eco-svg .eco-axis-label{font-size:25px}.lab-main .eco-svg .eco-direct-label{font-size:28px}}
@media(prefers-reduced-motion:no-preference){.lab-intro h1{view-transition-name:chapter-title}}
@media(min-width:1280px){.lab-menu-button{display:inline-flex}.lab-sidebar-hidden .lab-sidebar{display:none}.lab-sidebar-hidden .lab-header,.lab-sidebar-hidden .lab-main,.lab-sidebar-hidden .lab-footer{margin-left:0}.lab-sidebar-hidden .lab-main{max-width:1360px;margin-inline:auto}}
@media(max-width:1279px){.lab-sidebar{position:relative;width:100%;padding:20px;border-right:0;border-bottom:1px solid var(--line)}.lab-sidebar-head{margin-bottom:12px}.lab-chapters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.lab-header,.lab-main,.lab-footer{margin-left:0}.lab-header{padding-inline:32px}.lab-main{padding:34px 32px 0}.lab-footer{padding-inline:32px}.js .lab-sidebar{position:fixed;width:min(360px,calc(100% - 28px));height:100dvh;inset:0 auto 0 0;padding:22px;display:none;border-right:1px solid var(--line)}.js .lab-sidebar.is-open{display:flex}.js .lab-chapters{display:block}.js .lab-menu-button,.js .lab-close{display:inline-flex;align-items:center;justify-content:center}.lab-nav-link{font-size:14px;padding:10px 7px}.lab-local a{font-size:12px}.lab-search input{font-size:16px}.lab-nav-open{overflow:hidden}}
@media(max-width:600px){html{scroll-padding-top:88px}.lab-header{padding-inline:20px;height:64px}.lab-header-title{font-size:10px}.lab-header-link{display:none}.lab-main{padding:28px 20px 0}.lab-intro{padding-bottom:25px}.lab-intro h1{font-size:37px;margin-bottom:18px}.lab-intro p{font-size:15px}.lab-footer{padding:22px 20px;display:block}.lab-footer span{display:block;margin-bottom:6px}.lab-main .chapter-section{--section-start:34px;padding-block:34px}.lab-home-opening{display:block;padding-bottom:20px}.lab-home-opening h1{font-size:44px}.lab-home-opening p{font-size:15px}.lab-home-opening figure{margin:25px 0 10px}.lab-home-opening .lab-datacenter-art{max-height:500px}.lab-chapter-list{grid-template-columns:1fr}.lab-chapter-item{padding-block:17px}.lab-bridge{display:block;padding:22px}.lab-bridge a{margin-top:18px}.lab-asset-list li{display:block}.lab-asset-list strong{display:block;margin-bottom:7px}.lab-header-title .lab-optional{display:none}.lab-chapters{grid-template-columns:1fr 1fr}}
@media print{.lab-sidebar,.lab-header,.lab-footer,.lab-backdrop,.lab-page-note,.lab-home-actions{display:none!important}.lab-main{margin:0;padding:0;max-width:none}.lab-intro h1{font-size:28pt}.lab-chapter-list{display:block}.lab-main .chapter-section{break-inside:auto}.lab-home-opening{display:block}}