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svelte-kit-vice/web/routes/uix/components/section/+page.svelte

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feat(eidos): port 8 layout primitives from air (box, flex, grid, stack, group, wrap, container, section) Visual-only primitives translated from the legacy `air/components/layout` on the morfo-runtime branch. Architectural adjustments for the eidos target: drop the `air-` class prefix, target `[data-{name}]` directly, rename CSS vars to `--{name}-*`, replace `var(--air-space-N)` with the eidos foundation `var(--space-N)` token, resolve responsive props via `ActiveEidos.resolve(prop)`. - `box` — universal box-model utility (size, padding, margin, gap, position, overflow, flex/grid item props). Every prop maps to a CSS custom property; unset props fall through via `revert-layer`. - `flex` / `grid` / `stack` / `group` / `wrap` — layout containers that render through Box (single `<div>` per primitive, no semantic-tag prop in this batch). Markers stack as `[data-box][data-{name}]`. - `container` — max-width centered (sm/md/lg/xl/full). - `section` — semantic-padding block with background tone variants. Shared helpers at `_layout/shared.ts` (formatLayoutSpace / formatLayoutLength / formatLayoutRaw / pushStyleVar / composeStyle) plus an optional `Layout.*` namespace barrel for consumers who prefer that style; the individual `import { Box }` from each component dir also works. Each primitive ships a demo at `/uix/components/{name}/` with a live example, a props table, and a reference comparison row (radix-themes / chakra-ui / mantine). svelte-check: 0 errors / 0 new warnings. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
5 months ago
<script lang="ts">
import { Section, type SectionSize } from '$uix/eidos/components/section';
const sizes: SectionSize[] = ['sm', 'md', 'lg', 'xl'];
let size = $state<SectionSize>('lg');
</script>
<div data-uix-canvas-inner>
<header>
<div data-uix-eyebrow>Layout · Section</div>
<h1 data-uix-page-title>Section</h1>
<p data-uix-page-lede>
Top-level page section with consistent block-axis padding scaled by
<code>size</code>.
</p>
</header>
<section>
<h2>Live example</h2>
<div style="display: flex; gap: 8px; margin-bottom: 12px">
{#each sizes as s (s)}
<label style="display: inline-flex; gap: 4px; align-items: center">
<input type="radio" name="size" value={s} bind:group={size} />
<span><code>{s}</code></span>
</label>
{/each}
</div>
<Section
{size}
style="background: var(--color-surface-1); border: 1px dashed var(--color-border); border-radius: 8px"
>
<p style="margin: 0; text-align: center">
Section content (size: <code>{size}</code>).
</p>
</Section>
</section>
<section>
<h2>Padding scale</h2>
<table>
<thead>
<tr>
<th>Size</th>
<th>Block padding</th>
</tr>
</thead>
<tbody>
<tr><td><code>sm</code></td><td>var(--space-8) = 32px</td></tr>
<tr><td><code>md</code></td><td>var(--space-12) = 48px</td></tr>
<tr><td><code>lg</code></td><td>var(--space-16) = 64px</td></tr>
<tr><td><code>xl</code></td><td>calc(var(--space-16) * 1.5) = 96px</td></tr>
</tbody>
</table>
</section>
<section>
<h2>Props</h2>
<table>
<thead>
<tr>
<th>Prop</th>
<th>Default</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>size</code></td>
<td>'lg'</td>
<td>sm · md · lg · xl</td>
</tr>
<tr>
<td><code>paddingY</code></td>
<td>—</td>
<td>override the size-keyed default</td>
</tr>
<tr>
<td colspan="3"><em>… plus every <code>BoxProps</code> prop</em></td>
</tr>
</tbody>
</table>
</section>
<section>
<h2>Reference</h2>
<ul>
<li>
<strong>radix-themes Section</strong> — same intent (size-keyed block padding
for vertical rhythm).
</li>
<li>
<strong>HTML <code>&lt;section&gt;</code></strong> — Section is a `&lt;div&gt;`
in batch 1; wrap with a real <code>&lt;section&gt;</code> when you need landmark semantics.
</li>
</ul>
</section>
</div>

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