@charset "UTF-8";
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@media print{:root{--paper:#fff;--panel:#fff;--ink:#000;--muted:#444;--line:#aaa;--blue:#f0f3f6;--mint:#f0f6f1;--accent:#164c37;--code:#f4f4f4;--code-text:#111}.topbar,.sidebar,.hero-actions,.model-controls,.layer-tabs,.chapter-end,.build-explorer,.code-toolbar button,dialog,#toast,.noscript-note{display:none!important}body{font-size:11pt}.site-shell{display:block}main{padding:0}.hero{display:block;min-height:0;padding:0 0 15px}.hero h1{font-size:32pt}.hero h1 br{display:none}.hero h1 br:after{content:' '}.model-card{display:none}.hero-tags{display:none}.hero-lead{font-size:11pt}.guide-summary{margin:20px 0}.editor-note{margin:20px 0}.guide-body{max-width:none}.chapter{margin-bottom:25px}.chapter h2{font-size:22pt}.chapter h3{font-size:15pt;break-after:avoid}.chapter p,.chapter li{font-size:10pt;line-height:1.65}.table-wrap{overflow:visible}.chapter table{font-size:9pt;min-width:0}.chapter td,.chapter th{padding:7px;min-width:0}.code-block{break-inside:avoid;border-color:#aaa}.code-block pre{white-space:pre-wrap;font-size:8pt;overflow:visible}.code-block span{color:#111!important}.code-toolbar{color:#333}.lesson-svg{min-width:0}.diagram{break-inside:avoid}.diagram-scroll:after{display:none}.page-footer{padding:15px 0}.chapter .source-ref{font-size:7pt}}
/* CSS 3D is a local fallback when WebGL is disabled by the browser. */
.css-model{user-select:none;position:absolute;inset:0;perspective:1100px;touch-action:none;cursor:grab;overflow:hidden}.css-model:active{cursor:grabbing}.css-orbit{position:absolute;left:50%;top:67%;width:0;height:0;transform-style:preserve-3d}.css-slab{position:absolute;transform-style:preserve-3d;transition:none}.css-slab .slab-top{position:absolute;inset:0;transform-style:preserve-3d;border-radius:11px;background:var(--slab);border:1px solid #17344230;box-shadow:0 18px 35px #17344214}.css-slab svg{display:block;width:100%;height:100%;border-radius:inherit;overflow:hidden}.css-slab .slab-front{position:absolute;left:0;top:100%;width:100%;height:9px;transform-origin:center top;transform:rotateX(-90deg);background:var(--side);border-radius:0 0 5px 5px}.css-slab .slab-right{position:absolute;left:100%;top:0;width:9px;height:100%;transform-origin:left center;transform:rotateY(90deg);background:var(--side);border-radius:0 5px 5px 0}.css-slab.is-selected .slab-top{outline:2px solid #42796066;outline-offset:3px}.css-model-ready .model-fallback{display:none}.css-model-ready canvas{visibility:hidden}.css-model-ready .model-hint{z-index:2}