Element: #165 Anatomy (layout/app-shell) What it shows: A labelled diagram of the app shell showing a 52px rail, a 200px panel and the main content area. When to use: Explaining how the app shell is divided before wiring navigation into it. Spec: - Root is `role="img"` with `aria-label="App shell anatomy: rail, panel and main content"` - Rail label `Rail
52px` over 4 icon blocks, the second marked `class:rail-icon--active={i === 1}` - Panel label `Panel
200px` over items Dashboard, Users, Reports, Settings, the first marked `class:panel-item--active={i === 0}` - Main area labelled Main content with a top bar and 3 content blocks, one `content-block--short` - Diagram size is `height: 280px` and `width: 100%` Tags: app-shell, anatomy, rail, panel, layout, diagram Needs: @codeatlasdev/ui@4.4.0 Components: none Live demo: https://ui.codeatlas.com.br/docs/layout/app-shell#anatomy