@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');

:root{--bg:#f6f8fb;--surface:#fff;--surface-2:#f0f4f8;--ink:#172033;--muted:#657087;--line:#dce3ec;--accent:#db5b38;--accent-dark:#ad3c20;--accent-soft:#fff0eb;--navy:#14213b;--green:#25865a;--yellow:#b87a00;--shadow:0 16px 40px rgba(27,39,63,.08);--sidebar:248px;--utility:68px;--toc:220px;--radius:18px}
[data-theme="dark"]{--bg:#101722;--surface:#182230;--surface-2:#202c3b;--ink:#edf2f8;--muted:#a8b4c5;--line:#334154;--accent:#ff8060;--accent-dark:#ff9c83;--accent-soft:#36251f;--navy:#edf2f8;--green:#63ca95;--yellow:#f0bd58;--shadow:0 16px 40px rgba(0,0,0,.2)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--utility) + 24px)}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.65}a{color:var(--accent-dark);text-underline-offset:3px}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #4c9ffe;outline-offset:3px;border-radius:6px}.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;left:12px;top:-100px;z-index:1000;background:var(--surface);padding:10px 16px}.skip-link:focus{top:8px}
.utility-bar{position:fixed;inset:0 0 auto 0;height:var(--utility);z-index:100;display:flex;align-items:center;gap:24px;padding:0 24px;background:color-mix(in srgb,var(--surface) 94%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{width:calc(var(--sidebar) - 24px);display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand-mark,.table-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;font:800 17px Manrope}.brand span:last-child{display:flex;flex-direction:column;line-height:1.15}.brand strong{font:700 15px Manrope}.brand small{color:var(--muted);font-size:11px}.search-wrap{position:relative;flex:1;max-width:610px;margin-inline:auto}.search-wrap>svg{position:absolute;left:13px;top:12px;width:18px;fill:none;stroke:var(--muted);stroke-width:2}.search-wrap input{width:100%;height:42px;padding:0 42px;background:var(--surface-2);border:1px solid transparent;border-radius:11px;color:var(--ink)}.search-wrap input:focus{background:var(--surface);border-color:#4c9ffe}.search-wrap kbd{position:absolute;right:12px;top:10px;padding:1px 7px;border:1px solid var(--line);border-radius:5px;color:var(--muted);background:var(--surface);font-size:12px}.search-results{position:absolute;top:49px;inset-inline:0;background:var(--surface);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);padding:8px;max-height:360px;overflow:auto}.search-result{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink)}.search-result:hover,.search-result:focus{background:var(--surface-2)}.search-result strong{display:block}.search-result small{color:var(--muted)}.search-empty{padding:16px;color:var(--muted)}.utility-actions{display:flex;align-items:center;gap:9px}.icon-button{width:39px;height:39px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);cursor:pointer}.icon-button svg{width:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:10px 16px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer}.button-primary{background:var(--accent);color:#fff}.button-primary:hover{background:var(--accent-dark)}.button-secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.mobile-only{display:none}
.shell{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) var(--toc);gap:0;padding-top:var(--utility);max-width:1540px;margin:auto}.sidebar{position:sticky;top:var(--utility);height:calc(100vh - var(--utility));padding:28px 20px;border-right:1px solid var(--line);background:var(--surface);overflow:auto}.sidebar-head{display:flex;justify-content:space-between;padding:0 10px 10px;text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:800;color:var(--muted)}.sidebar nav{display:grid;gap:4px}.sidebar nav a{display:flex;align-items:center;gap:11px;padding:10px;border-radius:9px;color:var(--muted);text-decoration:none;font-weight:600;font-size:14px}.sidebar nav a:hover{background:var(--surface-2);color:var(--ink)}.sidebar nav a.active{background:var(--accent-soft);color:var(--accent-dark)}.nav-icon{font-size:9px;font-weight:800;letter-spacing:.08em;opacity:.7}.sidebar-progress{margin-top:30px;padding:15px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.sidebar-progress>div:first-child{display:flex;justify-content:space-between;font-size:12px}.progress-track{height:5px;margin:10px 0;background:var(--line);border-radius:10px;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:var(--accent);transition:width .3s}.text-button{padding:0;border:0;background:none;color:var(--accent-dark);cursor:pointer;font-size:11px}.version{position:absolute;bottom:16px;padding:0 10px;color:var(--muted);font-size:10px;line-height:1.5}
main{min-width:0;padding:0 clamp(28px,5vw,82px)}.breadcrumbs{display:flex;gap:9px;padding:22px 0 0;color:var(--muted);font-size:12px}.breadcrumbs a{text-decoration:none}.doc-section{max-width:900px;padding:76px 0;border-bottom:1px solid var(--line)}.hero{padding-top:62px}.eyebrow,.section-label{font:800 11px Manrope;letter-spacing:.16em;color:var(--accent-dark)}h1,h2,h3{font-family:Manrope,sans-serif;line-height:1.15}h1{max-width:760px;margin:12px 0 20px;font-size:clamp(40px,6vw,70px);letter-spacing:-.045em}h2{margin:8px 0 14px;font-size:clamp(32px,4vw,46px);letter-spacing:-.035em}h3{letter-spacing:-.015em}.lede{max-width:750px;font-size:19px;color:var(--muted)}.section-intro{max-width:680px;margin-bottom:32px;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:10px;margin:28px 0 42px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric-grid article{display:flex;flex-direction:column;padding:19px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.metric-grid strong{font:800 28px Manrope;color:var(--accent-dark)}.metric-grid span{font-weight:700}.metric-grid small{color:var(--muted)}.callout{margin:24px 0;padding:16px 18px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:var(--accent-soft)}.callout p{margin:3px 0}.callout-info{margin-top:28px}.callout-warn{border-color:var(--yellow)}
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.step{position:relative;padding:22px 22px 20px 62px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.step>span{position:absolute;left:20px;top:22px;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);font-weight:800}.step h3{margin:0 0 8px}.step p{margin:0;color:var(--muted)}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.panel{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.panel h3{margin-top:0}.check-list{padding:0;list-style:none}.check-list li{position:relative;padding-left:25px;margin:9px 0}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:800}.record-preview>div{display:grid;grid-template-columns:135px 1fr;padding:8px 0;border-bottom:1px solid var(--line)}.record-preview dt{color:var(--muted)}.record-preview dd{margin:0;font-weight:600}.muted{color:var(--muted);font-size:13px}.badge{display:inline-block;margin:2px;padding:2px 8px;border-radius:99px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:700}.badge.red{background:#fee2e2;color:#a72c2c}.badge.orange{background:#ffead9;color:#a64b0a}.badge.yellow{background:#fff1bd;color:#805900}.badge.green{background:#dff5e8;color:#187247}
.diagram-card{display:grid;grid-template-columns:260px 1fr;gap:25px;align-items:center;margin-top:24px;padding:26px;background:var(--navy);color:var(--bg);border-radius:var(--radius);overflow:hidden}.diagram-card h3{font-size:24px;margin:7px 0}.diagram-card p{color:color-mix(in srgb,var(--bg) 70%,transparent)}.diagram-card.stacked{display:block}.diagram{width:100%;min-width:0}.diagram-node rect,.diagram-node circle{fill:rgba(255,255,255,.06);stroke:rgba(255,255,255,.38);stroke-width:2}.diagram-node.accent rect,.diagram-node.accent circle{stroke:var(--accent);fill:rgba(219,91,56,.13)}.diagram-node text{fill:#fff;text-anchor:middle;font:700 13px Manrope}.diagram-node text.sub{font:400 12px 'DM Sans';fill:rgba(255,255,255,.72)}.diagram-node text.left{text-anchor:start}.diagram-lines path{stroke:var(--accent);stroke-width:2;marker-end:url(#arrow)}.diagram .dashed{stroke:rgba(255,255,255,.35);stroke-width:2;stroke-dasharray:6 6}.diagram .no-relation{fill:rgba(255,255,255,.65);text-anchor:middle;font:700 9px Manrope;letter-spacing:.08em}
.role-tabs{display:flex;gap:5px;padding:5px;width:max-content;max-width:100%;background:var(--surface-2);border-radius:12px;overflow:auto}.role-tabs button{padding:9px 16px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer;white-space:nowrap}.role-tabs button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.08)}.academy-panel{margin-top:20px}.academy-intro{display:flex;align-items:center;gap:15px;margin-bottom:18px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.role-avatar{display:grid;place-items:center;flex:none;width:48px;height:48px;border-radius:14px;background:var(--accent-soft);color:var(--accent-dark);font:800 18px Manrope}.academy-intro h3,.academy-intro p{margin:0}.academy-intro p{color:var(--muted)}.course-list{display:grid;gap:12px}.course{background:var(--surface);border:1px solid var(--line);border-radius:15px;overflow:hidden}.course summary{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:18px;cursor:pointer;list-style:none}.course summary::-webkit-details-marker{display:none}.course-number{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--surface-2);font:800 12px Manrope;color:var(--accent-dark)}.course-title strong{display:block}.course-title small{color:var(--muted)}.course-status{font-size:12px;color:var(--muted)}.course-status.done{color:var(--green);font-weight:700}.course-content{padding:0 20px 22px 76px;border-top:1px solid var(--line)}.lesson-list{padding-left:20px}.lesson-list li{margin:8px 0}.exercise,.quiz,.criteria{margin:16px 0;padding:16px;border-radius:11px;background:var(--surface-2)}.exercise h4,.quiz h4,.criteria h4{margin:0 0 6px}.quiz-options{display:grid;gap:7px;margin:11px 0}.quiz-option{display:flex;gap:8px;align-items:flex-start}.answer{padding:10px;border-left:3px solid var(--green);background:color-mix(in srgb,var(--green) 10%,transparent);border-radius:0 8px 8px 0}.complete-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.complete-button[aria-pressed="true"]{background:var(--green);color:#fff;border-color:var(--green)}
.procedure-list{display:grid;gap:10px}.procedure-list details{border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}.procedure-list summary{display:flex;gap:14px;align-items:center;padding:18px 20px;cursor:pointer;font-weight:700}.procedure-list summary span{font-size:10px;color:var(--accent-dark);letter-spacing:.1em}.procedure-body{padding:0 24px 24px 62px}.procedure-body li{margin:8px 0}.walkthrough-grid,.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.walkthrough,.trouble-grid article{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.walkthrough-top{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.walkthrough ol{padding-left:20px}.walkthrough li{margin:7px 0}.empty-state{display:flex;gap:20px;align-items:center;padding:28px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface)}.empty-state h3,.empty-state p{margin:3px 0}.empty-icon{display:grid;place-items:center;flex:none;width:60px;height:60px;border-radius:50%;background:var(--surface-2);font-size:28px;color:var(--muted)}.schema-block{margin:22px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.schema-head{display:flex;align-items:center;justify-content:space-between;padding:20px}.schema-head>div{display:flex;gap:12px;align-items:center}.schema-head h3,.schema-head p{margin:0}.schema-head p{color:var(--muted);font-size:13px}.table-icon.alt{background:var(--navy);color:var(--bg)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}th{background:var(--surface-2);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}code{padding:2px 5px;background:var(--surface-2);border-radius:4px;color:var(--accent-dark)}.trouble-grid{grid-template-columns:repeat(2,1fr)}.trouble-grid h3{margin-top:0}.trouble-grid p{color:var(--muted)}.glossary{display:grid;grid-template-columns:repeat(2,1fr);gap:0 30px}.glossary>div{padding:18px 0;border-top:1px solid var(--line)}.glossary dt{font:700 16px Manrope}.glossary dd{margin:5px 0;color:var(--muted)}footer{max-width:900px;display:flex;justify-content:space-between;padding:40px 0 70px;color:var(--muted);font-size:12px}footer p{margin:4px 0}footer>div:last-child{display:flex;flex-direction:column;align-items:flex-end}.toc{position:sticky;top:var(--utility);height:calc(100vh - var(--utility));padding:32px 22px;border-left:1px solid var(--line);font-size:12px}.toc>strong{font:700 11px Manrope;text-transform:uppercase;letter-spacing:.1em}.toc nav{display:grid;margin-top:13px}.toc nav a{padding:5px 0 5px 11px;border-left:1px solid var(--line);color:var(--muted);text-decoration:none}.toc nav a.active{border-color:var(--accent);color:var(--ink)}.toc-note{display:flex;gap:8px;margin-top:28px;padding:12px;background:var(--surface);border-radius:10px;color:var(--muted)}.toc-note span{color:var(--green)}.toc-note p{margin:0}.toc-note strong{display:block;color:var(--ink)}.toast{position:fixed;right:24px;bottom:24px;z-index:300;padding:12px 18px;border-radius:10px;background:var(--navy);color:var(--bg);box-shadow:var(--shadow);font-weight:600}
@media(max-width:1180px){.shell{grid-template-columns:var(--sidebar) minmax(0,1fr)}.toc{display:none}.utility-actions .app-link{display:none}}
@media(max-width:820px){:root{--utility:62px}.mobile-only{display:grid}.utility-bar{gap:10px;padding:0 12px}.brand{width:auto}.brand span:last-child{display:none}.search-wrap{margin:0}.search-wrap kbd{display:none}.utility-actions{gap:5px}.utility-actions #print-page{display:none}.shell{display:block}.sidebar{position:fixed;z-index:210;top:0;left:0;height:100vh;width:min(86vw,300px);transform:translateX(-105%);transition:transform .25s;box-shadow:var(--shadow)}.sidebar.open{transform:none}.sidebar-head{padding-top:2px}.version{position:static;margin-top:30px}.scrim{position:fixed;z-index:200;inset:0;background:rgba(7,12,20,.55)}main{padding:0 22px}.doc-section{padding:58px 0}.hero{padding-top:46px}.metric-grid{grid-template-columns:repeat(2,1fr)}.diagram-card{grid-template-columns:1fr}.walkthrough-grid{grid-template-columns:1fr}.course-content{padding-left:20px}.breadcrumbs{padding-top:16px}}
@media(max-width:560px){.utility-bar .brand{display:none}.search-wrap input{font-size:14px}.metric-grid,.step-grid,.two-column,.trouble-grid,.glossary{grid-template-columns:1fr}.hero-actions{align-items:stretch;flex-direction:column}.record-preview>div{grid-template-columns:1fr}.role-tabs{width:100%}.role-tabs button{flex:1;padding-inline:9px}.course summary{grid-template-columns:38px 1fr}.course-status{grid-column:2}.complete-row{align-items:stretch;flex-direction:column}.schema-head{align-items:flex-start;gap:12px}.schema-head>a{font-size:12px}.diagram-card{padding:18px}.diagram{min-width:620px}.diagram-card{overflow-x:auto}.procedure-body{padding-left:22px}footer{align-items:flex-start;flex-direction:column;gap:18px}footer>div:last-child{align-items:flex-start}}
@media print{.utility-bar,.sidebar,.toc,.breadcrumbs,.hero-actions,.role-tabs,.complete-row,.toast{display:none!important}.shell{display:block;padding:0}main{padding:0;color:#111}.doc-section{max-width:none;padding:28px 0;break-inside:avoid}.academy-panel .course{break-inside:avoid}.course-content{display:block!important}.diagram-card{background:#182230!important;color:#fff!important;print-color-adjust:exact}.table-wrap{overflow:visible}a{color:#111;text-decoration:none}a[href^="http"]:after{content:" (" attr(href) ")";font-size:9px}.metric-grid{grid-template-columns:repeat(4,1fr)}footer{max-width:none}}