@charset "UTF-8";
@import url("./theme.css");
:root{--bg:var(--ground);--surface-soft:var(--surface-2);--surface-blue:var(--accent-soft);--line-strong:color-mix(in srgb,var(--line) 75%,var(--ink));--blue:var(--accent);--blue-hover:color-mix(in srgb,var(--accent) 84%,var(--ink));--canvas-dot:var(--line);font-family:var(--sans);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:var(--blue);text-underline-offset:.18em}a:hover{color:var(--blue-hover)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,svg [tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{color:inherit}button,input,select{min-height:42px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:650;line-height:1.2;letter-spacing:-.035em}h2{font-size:26px}h3{font-size:17px}p{margin-bottom:1em}small{font-size:12px}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}var{font-family:Georgia,serif}section[id]{scroll-margin-top:26px}[hidden]{display:none!important}.skip-link{position:fixed;top:12px;left:20px;transform:translateY(-180%);z-index:100;background:var(--surface);padding:12px 20px;border:2px solid var(--blue);border-radius:var(--radius)}.skip-link:focus{transform:none}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.site-header{max-width:1720px;margin:auto;padding:25px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:720;letter-spacing:-.035em;color:var(--ink);text-decoration:none}.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:var(--radius);background:var(--accent);color:var(--accent-ink);font-size:21px;font-weight:750}.brand-section{font-weight:440;color:var(--muted)}.site-header nav{display:flex;gap:28px;align-items:center}.site-header nav a{color:var(--muted);font-size:13px;font-weight:550;text-decoration:none}.site-header nav a:last-child{color:var(--blue)}main{max-width:1720px;margin:auto;padding:0 40px}.study-intro{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:center;gap:80px;padding:48px 0 36px}.eyebrow,.overline{font-size:10px;font-weight:720;letter-spacing:.12em;text-transform:uppercase}.eyebrow{color:var(--accent);margin-bottom:15px}.overline{color:var(--muted);margin-bottom:9px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin:0 6px 2px 0;box-shadow:0 0 0 3px var(--accent-soft)}.eyebrow-divider{color:var(--line-strong);padding:0 9px}h1{font-size:clamp(36px,3.4vw,58px);margin:0 0 16px;max-width:1000px;letter-spacing:-.055em}h1 span{color:var(--muted);font-weight:450}.lede{font-size:16px;line-height:1.7;color:var(--muted);max-width:820px;margin-bottom:0}.intro-note{border-left:2px solid var(--line-strong);padding:1px 0 1px 22px;font-size:12px;color:var(--muted)}.intro-note p{margin:7px 0 11px}.intro-note a{font-weight:650;text-decoration:none}.note-label{font-size:10px;text-transform:uppercase;font-weight:720;letter-spacing:.1em;color:var(--ink)}
.study-shell{display:grid;grid-template-columns:285px minmax(0,1fr);gap:18px;align-items:start}.input-panel,.model-workspace{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.input-panel{padding:21px}.panel-heading,.workspace-heading,.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.panel-heading{margin-bottom:19px}.panel-heading h2{font-size:20px;margin:0}.panel-heading .overline{margin-bottom:6px}.small-badge,.model-badge{font-size:10px;white-space:nowrap;font-weight:650;border:1px solid var(--line);border-radius:var(--radius);padding:3px 7px;color:var(--muted);background:var(--surface-soft)}.field{display:block;font-size:11px;font-weight:600;line-height:1.4;color:var(--muted);position:relative}.field input,.field select{display:block;width:100%;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);color:var(--ink);padding:9px 10px;margin-top:6px;font-size:13px;font-weight:500;line-height:1.3;min-width:0}.field select{padding-right:25px}.field input:hover,.field select:hover{border-color:var(--accent)}.field input:focus,.field select:focus{border-color:var(--blue)}.unit{float:right;font-size:9px;font-weight:450;color:var(--muted)}.provenance-note{margin:11px 0 19px;padding:11px 12px;border-left:2px solid var(--accent);background:var(--accent-soft);color:var(--muted);font-size:10px;line-height:1.7;overflow-wrap:anywhere}.provenance-note p:last-child{margin:0}.provenance-note strong,.provenance-note b{color:var(--ink)}.provenance-note a{word-break:break-word}.form-section{margin:0;padding:0 0 18px;border:0}.form-section legend{font-size:11px;font-weight:650;color:var(--ink);padding:0;margin-bottom:12px}.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:13px 10px}.full-width{grid-column:1/-1}.parameter-group{border-top:1px solid var(--line);padding:14px 0}.parameter-group summary{font-size:11px;font-weight:650;cursor:pointer;list-style-position:outside;padding-left:13px;position:relative}.parameter-group summary span{display:block;font-size:10px;font-weight:400;color:var(--muted);margin:3px 0 0}.parameter-group[open] summary{margin-bottom:15px}.field-note{font-size:10px;line-height:1.65;color:var(--muted);margin:12px 0 0}.run-actions{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:6px}.button{border:1px solid transparent;border-radius:var(--radius);padding:10px 15px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:14px;text-decoration:none;font-size:12px;font-weight:650;white-space:nowrap}.primary{background:var(--blue);color:var(--accent-ink);box-shadow:0 3px 8px transparent}.primary:hover{background:var(--blue-hover)}.secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.secondary:hover{background:var(--surface-soft);border-color:var(--accent)}.text-button{border:0;background:none;color:var(--blue);font-size:11px;font-weight:600;padding:5px}.status-message{font-size:10px;line-height:1.6;color:var(--muted);margin:12px 0 0;overflow-wrap:anywhere}.status-message.error,.status-message[data-state=error]{color:var(--fail)}
.workspace-heading{padding:19px 22px 18px}.workspace-heading h2{font-size:21px;margin:0}.workspace-heading .overline{margin-bottom:5px}.model-badge{background:var(--accent-soft);border-color:var(--line);color:var(--accent);font-size:10px}.model-badge span{margin-right:5px}.model-toolbar{min-height:50px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 15px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface-soft)}#breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:5px;font-size:11px;min-width:0}#breadcrumbs button{font-size:11px;border:0;background:transparent;color:var(--blue);padding:3px 5px;min-height:30px;border-radius:var(--radius)}#breadcrumbs button:hover{background:var(--surface-blue)}#breadcrumbs button:last-child{color:var(--ink);font-weight:650}#breadcrumbs span{color:var(--muted)}.diagram-actions{display:flex;gap:5px;flex-shrink:0}.diagram-actions button{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:5px 9px;min-height:30px;font-size:10px;color:var(--muted)}.diagram-actions button:hover{border-color:var(--line-strong);color:var(--ink)}.model-body{display:grid;grid-template-columns:177px minmax(0,1fr)}.hierarchy-panel{padding:20px 10px 17px 13px;border-right:1px solid var(--line);background:var(--surface);min-width:0;display:flex;flex-direction:column}.hierarchy-panel>.overline{padding-left:5px;font-size:9px}#hierarchy-tree{font-size:10px;line-height:1.45}#hierarchy-tree ul{list-style:none;padding:0 0 0 11px;margin:0;border-left:1px solid var(--line)}#hierarchy-tree>ul{padding:0;border:0}#hierarchy-tree li{margin:3px 0}#hierarchy-tree button{width:100%;text-align:left;font-size:10px;line-height:1.4;background:none;border:1px solid transparent;border-radius:var(--radius);padding:7px 6px;min-height:32px;color:var(--muted);overflow-wrap:anywhere}#hierarchy-tree button:hover{background:var(--surface-soft);color:var(--ink)}#hierarchy-tree button[aria-current],#hierarchy-tree button.active,#hierarchy-tree .active>button{background:var(--surface-blue);border-color:var(--line);color:var(--blue);font-weight:650}#hierarchy-tree button span{display:inline-block}.hierarchy-key{display:flex;gap:8px;margin-top:auto;padding:28px 5px 0;color:var(--muted);font-size:9px;line-height:1.6}.hierarchy-key p{margin:0}.key-icon{font-size:16px;color:var(--accent)}.diagram-panel{min-width:0;background:var(--surface-soft);display:flex;flex-direction:column}.diagram-stage{background-color:var(--surface-soft);background-image:radial-gradient(var(--canvas-dot) .7px,transparent .7px);background-size:18px 18px;min-height:505px;flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden}#diagram{display:block;width:100%;height:auto;min-height:505px;max-height:690px;overflow:visible;color:var(--ink)}#diagram text{font-family:var(--sans);fill:var(--ink)}#diagram .diagram-placeholder{fill:var(--muted);font-size:19px}.diagram-node,.diagram-node rect{fill:var(--surface);stroke:var(--line-strong);stroke-width:1.5}.diagram-node{cursor:pointer}.diagram-node:hover rect,.diagram-node:focus rect{stroke:var(--blue);stroke-width:2}.diagram-node.selected rect,.diagram-node[aria-current=true] rect{stroke:var(--blue);fill:var(--surface-blue)}.diagram-node text{stroke:none}.diagram-node rect{rx:var(--radius)}.diagram-wire{fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.diagram-port{fill:var(--surface);stroke:var(--accent);stroke-width:2}.diagram-label{font-size:15px;fill:var(--muted)!important;stroke:none}.diagram-node .node-title{font-size:23px;font-weight:650}.diagram-node .node-subtitle{font-size:15px;fill:var(--muted)!important}.diagram-node .node-kind{font-size:12px;fill:var(--accent)!important;letter-spacing:.08em}.scope-caption{padding:15px 20px;border-top:1px solid var(--line);background:var(--surface);font-size:11px;line-height:1.65;color:var(--muted)}.scope-summary{font-size:10px;margin-top:5px;color:var(--accent)}.inspector-section{padding:18px 22px;border-top:1px solid var(--line);display:grid;grid-template-columns:145px minmax(0,1fr);gap:20px;align-items:start}.inspector-section h3{font-size:12px;letter-spacing:0;margin:0 0 6px}.inspector-section>div>p{font-size:10px;color:var(--muted);line-height:1.6;margin:0}#inspector{font-size:11px;color:var(--muted);min-width:0;overflow:auto}#inspector h3,#inspector h4{font-size:12px;margin:0 0 6px;color:var(--ink)}#inspector p{margin:0 0 7px}#inspector dl{display:grid;grid-template-columns:1fr 1fr;gap:3px 15px;margin:5px 0}#inspector dd{margin:0;color:var(--ink)}#inspector pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:10px}#inspector table{font-size:10px}#inspector th,#inspector td{padding:6px 9px}
.results-section{padding-top:24px}.results-section .section-heading{margin-bottom:12px}.results-section .section-heading h2{font-size:20px}.results-section .section-heading .eyebrow{margin-bottom:4px}.section-heading{margin-bottom:17px}.section-heading h2{font-size:25px;margin:0}.section-heading .eyebrow,.section-heading .overline{margin-bottom:8px}.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.metric,.metric-card{display:grid;grid-template-columns:max-content minmax(0,1fr);align-content:start;align-items:baseline;gap:4px 5px;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;font-size:11px;color:var(--muted)}.metric-card>span{grid-column:1/-1;line-height:1.35}.metric h3,.metric-card h3,.metric-label{font-size:10px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;color:var(--muted);margin:0 0 10px}.metric strong,.metric-card strong,.metric-value{display:block;font-size:20px;font-weight:650;color:var(--ink);line-height:1.2;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.metric small,.metric-card small,.metric-note{display:block;font-size:11px;margin:0;color:var(--muted)}.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:15px}.chart,.chart-card{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0}.chart h3,.chart-card h3{font-size:13px;margin-bottom:15px}.chart svg,.chart-card svg,#charts svg{display:block;width:100%;height:auto}.chart text,.chart-card text{font-family:inherit;fill:var(--muted);font-size:11px}.chart line,.chart-card line{stroke:var(--line)}.chart p,.chart-card p{font-size:10px;color:var(--muted)}.comparison-section{margin-top:35px;padding:24px 26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.comparison-section .section-heading{margin-bottom:11px}.comparison-section h2{font-size:20px}.section-intro{font-size:12px;color:var(--muted);max-width:800px;line-height:1.7}.table-scroll{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}caption{text-align:left;padding:12px 15px;font-weight:650;color:var(--muted);font-size:11px}th{font-size:10px;letter-spacing:.015em;color:var(--muted);font-weight:650;background:var(--surface-soft);white-space:nowrap}th,td{padding:12px 15px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--surface-soft)}.empty-row td{padding:22px 15px;text-align:center;color:var(--muted);font-size:11px}#comparison td{font-variant-numeric:tabular-nums;white-space:nowrap}#comparison td:first-child{white-space:normal;min-width:160px}#comparison button{min-height:28px;font-size:10px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius)}.export-bar{margin:18px 0 65px;background:var(--surface-blue);border:1px solid var(--line);border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:21px 26px}.export-bar h2{font-size:15px;letter-spacing:-.02em;margin:0 0 6px}.export-bar p{font-size:11px;color:var(--muted);margin:0}.export-actions{display:flex;gap:8px}.export-actions .button{font-size:10px;min-height:36px;padding:8px 12px}
.article-layout{max-width:1140px;margin:auto;display:grid;grid-template-columns:190px minmax(0,1fr);gap:72px;align-items:start;padding-bottom:50px}.article-toc{position:sticky;top:30px;border-top:1px solid var(--line);padding-top:20px}.article-toc .overline{font-size:9px;margin-bottom:13px}.article-toc a{display:block;color:var(--muted);font-size:11px;text-decoration:none;padding:6px 0;line-height:1.45}.article-toc a:hover{color:var(--blue)}.study-article{max-width:780px;min-width:0}.study-article section{margin-bottom:43px}.study-article h2{font-size:29px;margin-bottom:20px;line-height:1.25}.study-article p,.study-article li{font-size:14px;line-height:1.85;color:var(--muted)}.study-article strong{color:var(--ink);font-weight:650}.study-article p{margin-bottom:15px}.study-article ul,.study-article ol{padding-left:21px}.study-article li{padding-left:4px;margin-bottom:10px}.study-article code{color:var(--ink);background:var(--surface);padding:2px 4px;border-radius:var(--radius)}.layer-list{border-left:2px solid var(--line);list-style:none;padding-left:20px!important;margin:22px 0}.layer-list li{position:relative;padding:0 0 7px 0;font-size:13px}.layer-list li:before{content:"";position:absolute;left:-26px;top:8px;width:9px;height:9px;border:2px solid var(--bg);border-radius:50%;background:var(--accent)}.study-article .table-scroll{margin:22px 0}.study-article table{background:var(--surface);font-size:11px}.study-article th{font-size:10px}.equation-stack{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:23px 0;padding:8px 22px}.equation-stack p{display:grid;grid-template-columns:145px minmax(0,1fr);gap:15px;padding:13px 0;border-bottom:1px solid var(--line);margin:0;font-size:12px;align-items:center}.equation-stack p:last-child{border:0}.equation-stack span{font-size:10px;color:var(--muted);font-weight:550}.equation-stack code{font-size:12px;padding:0;background:none;overflow-wrap:anywhere}.source-links{display:flex;flex-direction:column;margin-top:23px;border-top:1px solid var(--line)}.source-links a{display:flex;justify-content:space-between;gap:15px;text-decoration:none;border-bottom:1px solid var(--line);padding:13px 0;font-size:12px;font-weight:600}.site-footer{max-width:1720px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 40px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.site-footer .brand{font-size:16px}.site-footer p{margin:0}.site-footer>a:last-child{font-size:10px;text-decoration:none}
@media(min-width:1550px){.study-shell{grid-template-columns:300px minmax(0,1fr);gap:22px}.model-body{grid-template-columns:190px minmax(0,1fr)}.diagram-stage,#diagram{min-height:590px}}
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@media(max-width:900px){.study-intro{grid-template-columns:1fr;padding-top:33px;gap:20px}.intro-note{display:none}.study-shell{grid-template-columns:1fr}.input-panel{padding:20px}.panel-heading{margin-bottom:15px}.input-panel form{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.input-panel form>.field,.input-panel form>.provenance-note,.run-actions{grid-column:1/-1}.provenance-note{margin-bottom:16px}.parameter-group{border-top:0}.parameter-group:first-of-type{border:0;padding-top:0}.form-section{grid-column:1}.parameter-group{grid-column:2;grid-row:3/5}.parameter-group:nth-of-type(2){grid-column:1/-1;grid-row:auto;border-top:1px solid var(--line)}.parameter-group:nth-of-type(2) .form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.run-actions{max-width:380px}.status-message{max-width:680px}.model-body{grid-template-columns:175px minmax(0,1fr)}.model-toolbar{flex-direction:row;align-items:center}.diagram-stage,#diagram{min-height:470px}.article-layout{grid-template-columns:1fr;gap:25px}.article-toc{position:static;display:flex;flex-wrap:wrap;gap:3px 18px;padding-top:20px}.article-toc .overline{width:100%;margin-bottom:5px}.article-toc a{font-size:10px}.study-article{max-width:none}.site-footer p{display:none}}
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