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

<script lang="ts">
	import { DropdownMenu } from '$uix/eidos/components/dropdown-menu';
	import { compileMorfo } from '$uix/morfo';
	import { dropdownMenuMorfo } from '@/uix/morfo/components/dropdown-menu';
	import { getActiveUix } from '$active-uix';

	const uix = getActiveUix();

	type Tab = 'live' | 'api' | 'morfo' | 'sema' | 'recipe' | 'a11y';
	let tab = $state<Tab>('live');

	// ── Live state ────────────────────────────────────────────────────────
	// Soma · Provider
	let open = $state(false);
	let dir = $state<'ltr' | 'rtl'>('ltr');
	let accessibleWhenDisabled = $state(true);
	// Soma · Content
	let side = $state<'top' | 'right' | 'bottom' | 'left'>('bottom');
	let sideOffset = $state(4);
	let align = $state<'start' | 'center' | 'end'>('start');
	let alignOffset = $state(0);
	let avoidCollisions = $state(true);
	let loop = $state(false);
	let trapFocus = $state(true);
	let preventScroll = $state(true);
	// Item-level
	let disableLogout = $state(false);
	let closeOnSelect = $state(true);
	// Bound state (mirrors)
	let notifications = $state(true);
	let theme = $state<'light' | 'dark' | 'system'>('system');
	let viewLayers = $state<string[]>(['ruler']);
	let lastSelected = $state<string | null>(null);
	// Eidos · Trigger visual props (forwarded to <Button> under the hood).
	// `variant` narrows ButtonVariant → ControlVariant (3) to stay
	// consistent with the rest of the form-control surface.
	let triggerVariant = $state<'surface' | 'outline' | 'ghost'>('surface');
	let triggerSize = $state<'xs' | 'sm' | 'md' | 'lg' | 'xl'>('md');
	let triggerIntent = $state<'neutral' | 'affirm' | 'fulfill' | 'risk' | 'threat' | 'loss'>(
		'neutral'
	);
	// Composition
	let showGroupHeading = $state(true);
	let showSeparators = $state(true);
	let showCheckboxItem = $state(true);
	let showCheckboxGroup = $state(true);
	let showRadioGroup = $state(true);
	let showSub = $state(true);
	let showArrow = $state(false);
	// Demo content
	let triggerLabel = $state('Open menu');
	let subTriggerLabel = $state('More options');

	function pickItem(label: string) {
		return () => {
			lastSelected = label;
		};
	}

	type TraceEntry = { event: string; family: string; intent?: string; at: number };
	let trace = $state<TraceEntry[]>([]);
	let stageRef = $state<HTMLElement | null>(null);

	$effect(() => {
		const el = stageRef;
		if (!el) return;
		const obs = new MutationObserver((mutations) => {
			for (const m of mutations) {
				if (m.attributeName !== 'data-event') continue;
				const target = m.target as Element;
				const ev = target.getAttribute('data-event');
				if (!ev) continue;
				trace = [
					{
						event: ev,
						family: target.getAttribute('data-event-family') ?? '—',
						intent: target.getAttribute('data-event-intent') ?? undefined,
						at: Date.now()
					},
					...trace
				].slice(0, 6);
			}
		});
		obs.observe(el, { attributes: true, subtree: true, attributeFilter: ['data-event'] });
		return () => obs.disconnect();
	});

	const compiled = compileMorfo(dropdownMenuMorfo);
	const partsList = $derived([...compiled.parts.byKebab.values()]);
	const events = $derived([...compiled.actions.byName.values()]);

	function fmtTime(at: number): string {
		const d = new Date(at);
		return `${String(d.getSeconds()).padStart(2, '0')}.${String(d.getMilliseconds()).padStart(3, '0')}`;
	}

	const somaSnippet = $derived(
		[
			"<script lang='ts'>",
			"  import * as DropdownMenu from '$soma/components/dropdown-menu';",
			'  let open = $state(false);',
			'  let notifications = $state(true);',
			'  let theme = $state("system");',
			'  let viewLayers = $state(["ruler"]);',
			'</' + 'script>',
			'',
			'<DropdownMenu.Provider',
			'  bind:open',
			dir !== 'ltr' && `  dir="${dir}"`,
			!accessibleWhenDisabled && '  accessibleWhenDisabled={false}',
			'>',
			`  <DropdownMenu.Trigger>${triggerLabel}</DropdownMenu.Trigger>`,
			'  <DropdownMenu.Content',
			side !== 'bottom' && `    side="${side}"`,
			sideOffset !== 0 && `    sideOffset={${sideOffset}}`,
			align !== 'start' && `    align="${align}"`,
			alignOffset !== 0 && `    alignOffset={${alignOffset}}`,
			!avoidCollisions && '    avoidCollisions={false}',
			loop && '    loop',
			!trapFocus && '    trapFocus={false}',
			!preventScroll && '    preventScroll={false}',
			'  >',
			showGroupHeading && '    <DropdownMenu.Group>',
			showGroupHeading && '      <DropdownMenu.GroupHeading>Account</DropdownMenu.GroupHeading>',
			showGroupHeading && '      <DropdownMenu.Item onSelect={…}>Profile</DropdownMenu.Item>',
			showGroupHeading && '      <DropdownMenu.Item onSelect={…}>Settings</DropdownMenu.Item>',
			showGroupHeading && '    </DropdownMenu.Group>',
			!showGroupHeading && '    <DropdownMenu.Item onSelect={…}>Profile</DropdownMenu.Item>',
			!showGroupHeading && '    <DropdownMenu.Item onSelect={…}>Settings</DropdownMenu.Item>',
			showSeparators && '    <DropdownMenu.Separator />',
			showCheckboxItem && '    <DropdownMenu.CheckboxItem bind:checked={notifications}>Notifications</DropdownMenu.CheckboxItem>',
			showSeparators && showCheckboxItem && '    <DropdownMenu.Separator />',
			showCheckboxGroup && '    <DropdownMenu.CheckboxGroup bind:value={viewLayers}>',
			showCheckboxGroup && showGroupHeading && '      <DropdownMenu.GroupHeading>View</DropdownMenu.GroupHeading>',
			showCheckboxGroup && '      <DropdownMenu.CheckboxItem value="ruler">Ruler</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '      <DropdownMenu.CheckboxItem value="grid">Grid</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '      <DropdownMenu.CheckboxItem value="guides">Guides</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '    </DropdownMenu.CheckboxGroup>',
			showSeparators && showCheckboxGroup && '    <DropdownMenu.Separator />',
			showRadioGroup && '    <DropdownMenu.RadioGroup bind:value={theme}>',
			showRadioGroup && showGroupHeading && '      <DropdownMenu.GroupHeading>Theme</DropdownMenu.GroupHeading>',
			showRadioGroup && '      <DropdownMenu.RadioItem value="light">Light</DropdownMenu.RadioItem>',
			showRadioGroup && '      <DropdownMenu.RadioItem value="dark">Dark</DropdownMenu.RadioItem>',
			showRadioGroup && '      <DropdownMenu.RadioItem value="system">System</DropdownMenu.RadioItem>',
			showRadioGroup && '    </DropdownMenu.RadioGroup>',
			showSeparators && showRadioGroup && '    <DropdownMenu.Separator />',
			showSub && '    <DropdownMenu.Sub>',
			showSub && `      <DropdownMenu.SubTrigger>${subTriggerLabel}</DropdownMenu.SubTrigger>`,
			showSub && '      <DropdownMenu.SubContent>',
			showSub && '        <DropdownMenu.Item onSelect={…}>Export…</DropdownMenu.Item>',
			showSub && '        <DropdownMenu.Item onSelect={…}>Import…</DropdownMenu.Item>',
			showSub && '        <DropdownMenu.Item disabled>Sync (offline)</DropdownMenu.Item>',
			showSub && '      </DropdownMenu.SubContent>',
			showSub && '    </DropdownMenu.Sub>',
			showSeparators && '    <DropdownMenu.Separator />',
			`    <DropdownMenu.Item${disableLogout ? ' disabled' : ''}${!closeOnSelect ? ' closeOnSelect={false}' : ''} onSelect={…}>Log out</DropdownMenu.Item>`,
			showArrow && '    <DropdownMenu.Arrow />',
			'  </DropdownMenu.Content>',
			'</DropdownMenu.Provider>'
		]
			.filter(Boolean)
			.join('\n')
	);

	const eidosSnippet = $derived(
		[
			"<script lang='ts'>",
			"  import { DropdownMenu } from '$uix/eidos/components/dropdown-menu';",
			'  let open = $state(false);',
			'</' + 'script>',
			'',
			'<DropdownMenu',
			'  bind:open',
			dir !== 'ltr' && `  dir="${dir}"`,
			'>',
			`  <DropdownMenu.Trigger${triggerVariant !== 'surface' ? ` variant="${triggerVariant}"` : ''}${triggerSize !== 'md' ? ` size="${triggerSize}"` : ''}${triggerIntent !== 'neutral' ? ` intent="${triggerIntent}"` : ''}>${triggerLabel}</DropdownMenu.Trigger>`,
			`  <DropdownMenu.Content${side !== 'bottom' ? ` side="${side}"` : ''}${align !== 'start' ? ` align="${align}"` : ''}>`,
			showGroupHeading && '    <DropdownMenu.Group>',
			showGroupHeading && '      <DropdownMenu.GroupHeading>Account</DropdownMenu.GroupHeading>',
			showGroupHeading && '      <DropdownMenu.Item onSelect={…}>Profile</DropdownMenu.Item>',
			showGroupHeading && '      <DropdownMenu.Item onSelect={…}>Settings</DropdownMenu.Item>',
			showGroupHeading && '    </DropdownMenu.Group>',
			!showGroupHeading && '    <DropdownMenu.Item onSelect={…}>Profile</DropdownMenu.Item>',
			showSeparators && '    <DropdownMenu.Separator />',
			showCheckboxItem && '    <DropdownMenu.CheckboxItem bind:checked={notifications}>Notifications</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '    <DropdownMenu.CheckboxGroup bind:value={viewLayers}>',
			showCheckboxGroup && '      <DropdownMenu.CheckboxItem value="ruler">Ruler</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '      <DropdownMenu.CheckboxItem value="grid">Grid</DropdownMenu.CheckboxItem>',
			showCheckboxGroup && '    </DropdownMenu.CheckboxGroup>',
			showRadioGroup && '    <DropdownMenu.RadioGroup bind:value={theme}>',
			showRadioGroup && '      <DropdownMenu.RadioItem value="light">Light</DropdownMenu.RadioItem>',
			showRadioGroup && '      <DropdownMenu.RadioItem value="dark">Dark</DropdownMenu.RadioItem>',
			showRadioGroup && '    </DropdownMenu.RadioGroup>',
			showSub && '    <DropdownMenu.Sub>',
			showSub && `      <DropdownMenu.SubTrigger>${subTriggerLabel}</DropdownMenu.SubTrigger>`,
			showSub && '      <DropdownMenu.SubContent>',
			showSub && '        <DropdownMenu.Item>Export…</DropdownMenu.Item>',
			showSub && '      </DropdownMenu.SubContent>',
			showSub && '    </DropdownMenu.Sub>',
			showSeparators && '    <DropdownMenu.Separator />',
			`    <DropdownMenu.Item${disableLogout ? ' disabled' : ''} onSelect={…}>Log out</DropdownMenu.Item>`,
			showArrow && '    <DropdownMenu.Arrow />',
			'  </DropdownMenu.Content>',
			'</DropdownMenu>'
		]
			.filter(Boolean)
			.join('\n')
	);
</script>

<div data-uix-canvas-inner>
	<header>
		<div data-uix-eyebrow>Overlay · DropdownMenu</div>
		<h1 data-uix-page-title>DropdownMenu</h1>
		<p data-uix-page-lede>
			Button-anchored menu — compound API parity with Radix DropdownMenu and
			bits-ui. 14 morfo parts + an eidos-only <code>CheckboxGroup</code>
			wrapper for Bits-UI-style array binding (15 importable components).
			Includes Items, standalone or grouped Checkbox items, RadioGroup /
			RadioItem, Group / GroupHeading, Separator, nested Sub / SubTrigger /
			SubContent, and an optional Arrow. 3 semantic events.
			<span data-uix-layer-badge="soma">soma</span> owns positioning,
			keyboard navigation, focus trap and dismissal;
			<span data-uix-layer-badge="eidos">eidos</span> paints uniform panel
			chrome across levels.
		</p>
		<div data-uix-page-meta>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>parts</span>{compiled.parts.order.length}
			</span>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>events</span>{events.length}
			</span>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>apg</span>
				<a href={dropdownMenuMorfo.apg} target="_blank" rel="noreferrer">menu-button ↗</a>
			</span>
			{#if lastSelected}
				<span data-uix-meta-pill>
					<span data-uix-meta-key>last</span>{lastSelected}
				</span>
			{/if}
		</div>
	</header>

	<!-- Live preview always rendered -->
	<div data-uix-stage>
		<div data-uix-stage-area bind:this={stageRef}>
			<DropdownMenu bind:open {dir} {accessibleWhenDisabled}>
				<DropdownMenu.Trigger
					variant={triggerVariant}
					size={triggerSize}
					intent={triggerIntent}
				>
					{triggerLabel}
				</DropdownMenu.Trigger>
				<DropdownMenu.Content
					{side}
					{sideOffset}
					{align}
					{alignOffset}
					{avoidCollisions}
					{loop}
					{trapFocus}
					{preventScroll}
				>
					{#if showGroupHeading}
						<DropdownMenu.Group>
							<DropdownMenu.GroupHeading>Account</DropdownMenu.GroupHeading>
							<DropdownMenu.Item onSelect={pickItem('Profile')}>Profile</DropdownMenu.Item>
							<DropdownMenu.Item onSelect={pickItem('Settings')}>Settings</DropdownMenu.Item>
						</DropdownMenu.Group>
					{:else}
						<DropdownMenu.Item onSelect={pickItem('Profile')}>Profile</DropdownMenu.Item>
						<DropdownMenu.Item onSelect={pickItem('Settings')}>Settings</DropdownMenu.Item>
					{/if}
					{#if showSeparators}<DropdownMenu.Separator />{/if}
					{#if showCheckboxItem}
						<DropdownMenu.CheckboxItem bind:checked={notifications}>
							Show notifications
						</DropdownMenu.CheckboxItem>
					{/if}
					{#if showCheckboxGroup}
						<DropdownMenu.CheckboxGroup bind:value={viewLayers}>
							{#if showGroupHeading}<DropdownMenu.GroupHeading>View</DropdownMenu.GroupHeading>{/if}
							<DropdownMenu.CheckboxItem value="ruler">Ruler</DropdownMenu.CheckboxItem>
							<DropdownMenu.CheckboxItem value="grid">Grid</DropdownMenu.CheckboxItem>
							<DropdownMenu.CheckboxItem value="guides">Guides</DropdownMenu.CheckboxItem>
						</DropdownMenu.CheckboxGroup>
					{/if}
					{#if showSeparators}<DropdownMenu.Separator />{/if}
					{#if showRadioGroup}
						<DropdownMenu.RadioGroup bind:value={theme}>
							{#if showGroupHeading}<DropdownMenu.GroupHeading>Theme</DropdownMenu.GroupHeading>{/if}
							<DropdownMenu.RadioItem value="light">Light</DropdownMenu.RadioItem>
							<DropdownMenu.RadioItem value="dark">Dark</DropdownMenu.RadioItem>
							<DropdownMenu.RadioItem value="system">System</DropdownMenu.RadioItem>
						</DropdownMenu.RadioGroup>
					{/if}
					{#if showSeparators}<DropdownMenu.Separator />{/if}
					{#if showSub}
						<DropdownMenu.Sub>
							<DropdownMenu.SubTrigger>{subTriggerLabel}</DropdownMenu.SubTrigger>
							<DropdownMenu.SubContent>
								<DropdownMenu.Item onSelect={pickItem('Export…')}>Export…</DropdownMenu.Item>
								<DropdownMenu.Item onSelect={pickItem('Import…')}>Import…</DropdownMenu.Item>
								<DropdownMenu.Item disabled>Sync (offline)</DropdownMenu.Item>
							</DropdownMenu.SubContent>
						</DropdownMenu.Sub>
					{/if}
					{#if showSeparators}<DropdownMenu.Separator />{/if}
					<DropdownMenu.Item
						disabled={disableLogout}
						{closeOnSelect}
						onSelect={pickItem('Log out')}
					>
						Log out
					</DropdownMenu.Item>
					{#if showArrow}<DropdownMenu.Arrow />{/if}
				</DropdownMenu.Content>
			</DropdownMenu>
		</div>
		<div data-uix-stage-trace>
			<span data-uix-stage-trace-key>trace</span>
			{#if trace.length === 0}
				<span>click the trigger to summon the menu</span>
			{:else}
				{#each trace.slice(0, 3) as entry}
					<span><span data-uix-stage-trace-event>{entry.event}</span> · {entry.family}{entry.intent ? ' · ' + entry.intent : ''}</span>
					<span style="color: var(--uix-text-faint)">{fmtTime(entry.at)}</span>
				{/each}
			{/if}
			<span style="margin-inline-start: auto;">
				<span data-uix-stage-trace-key>open</span> {String(open)}
				{#if lastSelected}
					<span data-uix-stage-trace-key style="margin-inline-start: 0.5rem;">last</span> {lastSelected}
				{/if}
			</span>
		</div>
	</div>

	<!-- Tabs -->
	<div data-uix-tabs role="tablist">
		<button data-uix-tab data-active={tab === 'live'} onclick={() => (tab = 'live')}>Live</button>
		<button data-uix-tab data-active={tab === 'api'} onclick={() => (tab = 'api')}>
			API <span data-uix-tab-count>15</span>
		</button>
		<button data-uix-tab data-active={tab === 'morfo'} onclick={() => (tab = 'morfo')}>
			<span data-uix-layer-badge="morfo">morfo</span>
			<span data-uix-tab-count>{partsList.length}p · {events.length}e</span>
		</button>
		<button data-uix-tab data-active={tab === 'sema'} onclick={() => (tab = 'sema')}>
			<span data-uix-layer-badge="sema">sema</span>
			<span data-uix-tab-count>{events.length}</span>
		</button>
		<button data-uix-tab data-active={tab === 'recipe'} onclick={() => (tab = 'recipe')}>Recipe</button>
		<button data-uix-tab data-active={tab === 'a11y'} onclick={() => (tab = 'a11y')}>A11y</button>
	</div>

	{#if tab === 'live'}
		<section data-uix-section>
			<h2 data-uix-section-title>Controls</h2>
			<p data-uix-section-desc>
				DropdownMenu is a pure pass-through over <span data-uix-layer-badge="soma">soma</span>;
				the eidos layer adds no evaluative props. Knobs are grouped by the
				layer that owns the prop, with a <em>composition</em> group for
				parts toggled in / out of the markup (per the
				composition-over-visibility norm). Semantic events live in the <a href="#sema" onclick={(e) => { e.preventDefault(); tab = 'sema'; }}>Sema</a> tab.
			</p>

			<!-- ── Soma · Provider ─────────────────────────────────────────── -->
			<div data-uix-subsection-head>
				<span data-uix-layer-badge="soma">soma</span> Provider props
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>open <span data-uix-control-hint>bindable</span></span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={open} />
						<span data-uix-switch-label>{open ? 'open' : 'closed'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>accessibleWhenDisabled</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={accessibleWhenDisabled} />
						<span data-uix-switch-label>{accessibleWhenDisabled ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>dir</span>
					<span data-uix-chips role="radiogroup">
						{#each ['ltr', 'rtl'] as d (d)}
							<button data-uix-chip data-active={dir === d} onclick={() => (dir = d as 'ltr' | 'rtl')}>{d}</button>
						{/each}
					</span>
				</label>
			</div>

			<!-- ── Soma · Content (floating layer) ─────────────────────────── -->
			<div data-uix-subsection-head>
				<span data-uix-layer-badge="soma">soma</span> Content props
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· floating layer · positioning + focus mgmt
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>side</span>
					<span data-uix-chips role="radiogroup">
						{#each ['top', 'right', 'bottom', 'left'] as s (s)}
							<button data-uix-chip data-active={side === s} onclick={() => (side = s as typeof side)}>{s}</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>sideOffset <span data-uix-control-hint>{sideOffset}px</span></span>
					<input type="range" min="0" max="24" step="1" bind:value={sideOffset} />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>align</span>
					<span data-uix-chips role="radiogroup">
						{#each ['start', 'center', 'end'] as a (a)}
							<button data-uix-chip data-active={align === a} onclick={() => (align = a as typeof align)}>{a}</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>alignOffset <span data-uix-control-hint>{alignOffset}px</span></span>
					<input type="range" min="-24" max="24" step="1" bind:value={alignOffset} />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>avoidCollisions</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={avoidCollisions} />
						<span data-uix-switch-label>{avoidCollisions ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>loop</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={loop} />
						<span data-uix-switch-label>{loop ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>trapFocus</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={trapFocus} />
						<span data-uix-switch-label>{trapFocus ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>preventScroll</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={preventScroll} />
						<span data-uix-switch-label>{preventScroll ? 'on' : 'off'}</span>
					</span>
				</label>
			</div>

			<!-- ── Soma · Item-level ───────────────────────────────────────── -->
			<div data-uix-subsection-head>
				<span data-uix-layer-badge="soma">soma</span> Item props
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· applied to the Log out item below
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>disabled</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={disableLogout} />
						<span data-uix-switch-label>{disableLogout ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>closeOnSelect</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={closeOnSelect} />
						<span data-uix-switch-label>{closeOnSelect ? 'on' : 'off'}</span>
					</span>
				</label>
			</div>

			<!-- ── Composition ─────────────────────────────────────────────── -->
			<div data-uix-subsection-head>
				Composition
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· toggle parts in / out of the markup
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>Group + GroupHeading</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showGroupHeading} />
						<span data-uix-switch-label>{showGroupHeading ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>Separators</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showSeparators} />
						<span data-uix-switch-label>{showSeparators ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>CheckboxItem <span data-uix-control-hint>standalone bind:checked</span></span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showCheckboxItem} />
						<span data-uix-switch-label>{showCheckboxItem ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>CheckboxGroup <span data-uix-control-hint>array binding</span></span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showCheckboxGroup} />
						<span data-uix-switch-label>{showCheckboxGroup ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>RadioGroup</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showRadioGroup} />
						<span data-uix-switch-label>{showRadioGroup ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>Sub menu</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showSub} />
						<span data-uix-switch-label>{showSub ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>Arrow</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={showArrow} />
						<span data-uix-switch-label>{showArrow ? 'on' : 'off'}</span>
					</span>
				</label>
			</div>

			<!-- ── Eidos · Trigger (visual chrome forwarded to <Button>) ─── -->
			<div data-uix-subsection-head>
				<span data-uix-layer-badge="eidos">eidos</span> Trigger
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· visual props forwarded to the underlying &lt;Button&gt;
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>variant</span>
					<span data-uix-chips role="radiogroup">
						{#each ['surface', 'outline', 'ghost'] as v (v)}
							<button
								data-uix-chip
								data-active={triggerVariant === v}
								onclick={() => (triggerVariant = v as typeof triggerVariant)}
							>
								{v}
							</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>size</span>
					<span data-uix-chips role="radiogroup">
						{#each ['xs', 'sm', 'md', 'lg', 'xl'] as s (s)}
							<button
								data-uix-chip
								data-active={triggerSize === s}
								onclick={() => (triggerSize = s as typeof triggerSize)}
							>
								{s}
							</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>intent</span>
					<span data-uix-chips role="radiogroup">
						{#each ['neutral', 'affirm', 'fulfill', 'risk', 'threat', 'loss'] as i (i)}
							<button
								data-uix-chip
								data-active={triggerIntent === i}
								onclick={() => (triggerIntent = i as typeof triggerIntent)}
							>
								{i}
							</button>
						{/each}
					</span>
				</label>
			</div>

			<!-- ── Bound state (mirrors) ───────────────────────────────────── -->
			<div data-uix-subsection-head>
				Bound state
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· `bind:checked` / `bind:value` mirrors from the live menu items
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>notifications <span data-uix-control-hint>CheckboxItem</span></span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={notifications} />
						<span data-uix-switch-label>{notifications ? 'on' : 'off'}</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>viewLayers <span data-uix-control-hint>CheckboxGroup array</span></span>
					<input type="text" value={viewLayers.join(', ') || '(empty)'} readonly />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>theme <span data-uix-control-hint>RadioGroup</span></span>
					<span data-uix-chips role="radiogroup">
						{#each ['light', 'dark', 'system'] as t (t)}
							<button data-uix-chip data-active={theme === t} onclick={() => (theme = t as typeof theme)}>{t}</button>
						{/each}
					</span>
				</label>
			</div>

			<!-- ── Demo content (literal text) ─────────────────────────────── -->
			<div data-uix-subsection-head>
				Demo content
				<span style="font-weight: normal; color: var(--uix-text-muted);">
					· literal labels rendered into the menu
				</span>
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>Trigger label</span>
					<input type="text" bind:value={triggerLabel} />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>SubTrigger label</span>
					<input type="text" bind:value={subTriggerLabel} disabled={!showSub} />
				</label>
			</div>

			<!-- ── Code snippets per layer ─────────────────────────────────── -->
			<div data-uix-code>
				<div data-uix-code-head>
					<span data-uix-layer-badge="soma">soma</span>
					<span>headless · positioning + keyboard + dismissal</span>
					<span data-uix-code-lang>svelte</span>
				</div>
				<pre><code>{somaSnippet}</code></pre>
			</div>

			<div data-uix-code style="margin-top: var(--uix-space-3);">
				<div data-uix-code-head>
					<span data-uix-layer-badge="eidos">eidos</span>
					<span>visual · namespaced compound (pure pass-through; no extra props)</span>
					<span data-uix-code-lang>svelte</span>
				</div>
				<pre><code>{eidosSnippet}</code></pre>
			</div>
		</section>
	{/if}

	{#if tab === 'api'}
		<section data-uix-section>
			<h2 data-uix-section-title>API reference</h2>
			<p data-uix-section-desc>
				15 parts forwarded from soma. Item-family parts share
				<code>id</code>, <code>disabled</code>, <code>textValue</code>,
				<code>closeOnSelect</code>. CheckboxGroup adds a Bits-UI-style
				array binding (item is checked when its <code>value</code> is in
				the group's array).
			</p>

			<div data-uix-subsection-head>DropdownMenu (Provider)</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">id</td><td class="type">string</td><td class="default empty">auto</td><td>Stable identifier.</td></tr>
						<tr><td class="name">open <span data-uix-tag data-kind="bindable">bindable</span></td><td class="type">boolean</td><td class="default">false</td><td>Whether the menu is open.</td></tr>
						<tr><td class="name">onOpenChange / onOpenChangeComplete</td><td class="type">(open: boolean) =&gt; void</td><td class="default empty">—</td><td>Fire on every open/close and after the animation settles.</td></tr>
						<tr><td class="name">dir</td><td class="type">'ltr' | 'rtl'</td><td class="default">'ltr'</td><td>Direction used for keyboard navigation inside sub-menus.</td></tr>
						<tr><td class="name">accessibleWhenDisabled</td><td class="type">boolean</td><td class="default">true</td><td>Disabled items remain focusable per WAI-ARIA APG; set false to skip them entirely.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Trigger</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">id</td><td class="type">string</td><td class="default empty">auto</td><td>—</td></tr>
						<tr><td class="name">variant <span data-uix-tag data-kind="eidos">eidos</span></td><td class="type">ControlVariant: 'surface' | 'outline' | 'ghost'</td><td class="default">'surface'</td><td>Forwarded to the inner <code>&lt;Button&gt;</code>. Narrowed from ButtonVariant (per DEMO_AUTHORING_GUIDE §12.7) to stay consistent with form-control surface.</td></tr>
						<tr><td class="name">size <span data-uix-tag data-kind="eidos">eidos</span></td><td class="type">'xs' | 'sm' | 'md' | 'lg' | 'xl'</td><td class="default">'md'</td><td>Button size scale.</td></tr>
						<tr><td class="name">intent <span data-uix-tag data-kind="eidos">eidos</span></td><td class="type">'neutral' | 'affirm' | 'fulfill' | 'risk' | 'threat' | 'loss'</td><td class="default">'neutral'</td><td>Evaluative intent forwarded to Button — full canonical Intent set.</td></tr>
						<tr><td class="name">color <span data-uix-tag data-kind="eidos">eidos</span></td><td class="type">ColorRole — see eidos/lib/types.ts</td><td class="default empty">—</td><td>Hierarchical color override (only applies under <code>intent='neutral'</code>).</td></tr>
						<tr><td class="name">iconOnly · icon · endIcon · rounded <span data-uix-tag data-kind="eidos">eidos</span></td><td class="type">Button props</td><td class="default empty">—</td><td>Standard Button visual knobs forwarded through.</td></tr>
						<tr><td class="name">child</td><td class="type">{`Snippet<[{ props }]>`}</td><td class="default empty">—</td><td>Opt out of <code>&lt;Button&gt;</code> entirely and render your own element.</td></tr>
						<tr><td class="name">…native button attrs</td><td class="type">PrimitiveButtonAttributes</td><td class="default empty">—</td><td>All HTML button attrs flow through to the underlying button.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Content</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">forceMount</td><td class="type">boolean</td><td class="default">false</td><td>Keep in DOM when closed.</td></tr>
						<tr><td class="name">side</td><td class="type">'top' | 'right' | 'bottom' | 'left'</td><td class="default">'bottom'</td><td>Preferred side relative to the Trigger.</td></tr>
						<tr><td class="name">sideOffset</td><td class="type">number</td><td class="default">0</td><td>Main-axis gap (pixels).</td></tr>
						<tr><td class="name">align</td><td class="type">'start' | 'center' | 'end'</td><td class="default">'start'</td><td>Cross-axis alignment.</td></tr>
						<tr><td class="name">alignOffset</td><td class="type">number</td><td class="default">0</td><td>Cross-axis gap.</td></tr>
						<tr><td class="name">arrowPadding</td><td class="type">number</td><td class="default">0</td><td>Margin between Arrow and panel corner.</td></tr>
						<tr><td class="name">avoidCollisions</td><td class="type">boolean</td><td class="default">true</td><td>Flip / shift when clipped.</td></tr>
						<tr><td class="name">collisionBoundary</td><td class="type">Element | Element[]</td><td class="default empty">viewport</td><td>Boundary the floating math respects.</td></tr>
						<tr><td class="name">collisionPadding</td><td class="type">number | Partial&lt;Record&lt;Side, number&gt;&gt;</td><td class="default">0</td><td>Inset from boundary edges.</td></tr>
						<tr><td class="name">sticky</td><td class="type">'partial' | 'always'</td><td class="default">'partial'</td><td>Stickiness during anchor scroll.</td></tr>
						<tr><td class="name">hideWhenDetached</td><td class="type">boolean</td><td class="default">true</td><td>Hide if anchor scrolls fully out of view.</td></tr>
						<tr><td class="name">updatePositionStrategy</td><td class="type">'optimized' | 'always'</td><td class="default">'optimized'</td><td>Floating math cadence.</td></tr>
						<tr><td class="name">strategy</td><td class="type">'fixed' | 'absolute'</td><td class="default">'fixed'</td><td>CSS positioning strategy.</td></tr>
						<tr><td class="name">loop</td><td class="type">boolean</td><td class="default">false</td><td>Arrow keys wrap at boundaries.</td></tr>
						<tr><td class="name">trapFocus</td><td class="type">boolean</td><td class="default">true</td><td>Tab cycles inside Content.</td></tr>
						<tr><td class="name">preventScroll</td><td class="type">boolean</td><td class="default">true</td><td>Body scroll lock while open.</td></tr>
						<tr><td class="name">escapeKeydownBehavior / interactOutsideBehavior</td><td class="type">DismissalBehavior</td><td class="default">'close'</td><td>How Escape / outside-click interact with the dismissal layer.</td></tr>
						<tr><td class="name">onOpenAutoFocus / onCloseAutoFocus</td><td class="type">(e: Event) =&gt; void</td><td class="default empty">—</td><td>Cancellable focus hooks.</td></tr>
						<tr><td class="name">onEscapeKeydown / onInteractOutside / onFocusOutside</td><td class="type">handlers</td><td class="default empty">—</td><td>Cancellable dismissal events.</td></tr>
						<tr><td class="name">dir</td><td class="type">'ltr' | 'rtl'</td><td class="default empty">inherits</td><td>—</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Item · CheckboxItem · RadioItem · SubTrigger</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Applies to</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">disabled</td><td class="type">boolean</td><td class="default">false</td><td>all</td><td>Skipped or just unactivatable per <code>accessibleWhenDisabled</code>.</td></tr>
						<tr><td class="name">textValue</td><td class="type">string</td><td class="default empty">—</td><td>all</td><td>Override for typeahead.</td></tr>
						<tr><td class="name">onSelect</td><td class="type">() =&gt; void</td><td class="default empty">—</td><td>Item, CheckboxItem, RadioItem</td><td>Activation handler.</td></tr>
						<tr><td class="name">closeOnSelect</td><td class="type">boolean</td><td class="default">true</td><td>Item, CheckboxItem, RadioItem</td><td>Close the menu after activation.</td></tr>
						<tr><td class="name">checked <span data-uix-tag data-kind="bindable">bindable</span></td><td class="type">boolean</td><td class="default">false</td><td>CheckboxItem (standalone)</td><td>Whether the checkbox is checked.</td></tr>
						<tr><td class="name">value</td><td class="type">string</td><td class="default empty">—</td><td>CheckboxItem (in CheckboxGroup)</td><td>Group identifier; item is checked when present in the group array.</td></tr>
						<tr><td class="name">onCheckedChange</td><td class="type">(checked: boolean) =&gt; void</td><td class="default empty">—</td><td>CheckboxItem</td><td>—</td></tr>
						<tr><td class="name">value (required)</td><td class="type">string</td><td class="default empty">—</td><td>RadioItem</td><td>Identifier inside the parent RadioGroup.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>CheckboxGroup · RadioGroup</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Applies to</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">value <span data-uix-tag data-kind="bindable">bindable</span></td><td class="type">string[]</td><td class="default">[]</td><td>CheckboxGroup</td><td>Array of selected values (Bits UI pattern).</td></tr>
						<tr><td class="name">onValueChange</td><td class="type">(v: string[]) =&gt; void</td><td class="default empty">—</td><td>CheckboxGroup</td><td>—</td></tr>
						<tr><td class="name">value <span data-uix-tag data-kind="bindable">bindable</span></td><td class="type">string</td><td class="default empty">—</td><td>RadioGroup</td><td>Currently-selected RadioItem value.</td></tr>
						<tr><td class="name">onValueChange</td><td class="type">(v: string) =&gt; void</td><td class="default empty">—</td><td>RadioGroup</td><td>—</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Sub · SubTrigger · SubContent</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Default</th><th>Applies to</th><th>Description</th></tr></thead>
					<tbody>
						<tr><td class="name">open <span data-uix-tag data-kind="bindable">bindable</span></td><td class="type">boolean</td><td class="default">false</td><td>Sub</td><td>Independent sub-menu open state.</td></tr>
						<tr><td class="name">side</td><td class="type">Side</td><td class="default">'right'</td><td>SubContent</td><td>Default fly-out direction.</td></tr>
						<tr><td class="name">align / alignOffset / sideOffset</td><td class="type">like Content</td><td class="default">—</td><td>SubContent</td><td>—</td></tr>
						<tr><td class="name">avoidCollisions / collisionBoundary / collisionPadding</td><td class="type">like Content</td><td class="default">—</td><td>SubContent</td><td>—</td></tr>
						<tr><td class="name">loop</td><td class="type">boolean</td><td class="default">false</td><td>SubContent</td><td>Wrap nav inside the fly-out.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Group · GroupHeading · Separator · Arrow</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Part</th><th>Props</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">Group</td><td class="type">id</td><td>Wraps a block of items; <code>aria-labelledby</code> wires to GroupHeading.</td></tr>
						<tr><td class="name">GroupHeading</td><td class="type">id</td><td>Non-interactive caption (uppercase, muted).</td></tr>
						<tr><td class="name">Separator</td><td class="type">id</td><td><code>role='separator'</code>, 1px divider.</td></tr>
						<tr><td class="name">Arrow</td><td class="type">width, height</td><td>Optional SVG pointer.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Reference parity</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Feature</th><th>Radix</th><th>bits-ui</th><th>ark-ui</th><th>Eidos (this)</th></tr></thead>
					<tbody>
						<tr><td>Button trigger</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr>
						<tr><td>CheckboxItem (single)</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr>
						<tr><td>CheckboxGroup (array bind)</td><td>—</td><td>✓</td><td>—</td><td>✓</td></tr>
						<tr><td>RadioGroup / RadioItem</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr>
						<tr><td>Nested Sub menus</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr>
						<tr><td>Group / GroupHeading</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr>
						<tr><td>Arrow part</td><td>✓</td><td>✓</td><td>—</td><td>✓</td></tr>
						<tr><td>closeOnSelect per item</td><td>✓</td><td>✓</td><td>—</td><td>✓</td></tr>
						<tr><td>accessibleWhenDisabled (APG)</td><td>—</td><td>—</td><td>—</td><td>✓</td></tr>
						<tr><td>commit-select semantic event</td><td>—</td><td>—</td><td>—</td><td>✓</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'morfo'}
		<section data-uix-section>
			<h2 data-uix-section-title>
				<span data-uix-layer-badge="morfo">morfo</span>
				· declarative contract
			</h2>
			<p data-uix-section-desc>
				14 parts declared in the morfo + 1 eidos-only part
				(CheckboxGroup wraps and binds an array — pure composition, no
				new data-attrs vs Item siblings). 3 events. Source:
				<code>src/uix/morfo/components/dropdown-menu.ts</code>.
			</p>

			<!-- ── Component header ───────────────────────────────────────── -->
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Field</th><th>Value</th></tr></thead>
					<tbody>
						<tr><td class="name">name</td><td class="type">"{dropdownMenuMorfo.name}"</td></tr>
						<tr><td class="name">kebab</td><td class="type">"{dropdownMenuMorfo.kebab}"</td></tr>
						<tr><td class="name">scope</td><td class="type">[{dropdownMenuMorfo.scope.map((s) => `"${s}"`).join(', ')}]</td></tr>
						<tr><td class="name">apg</td><td><a href={dropdownMenuMorfo.apg} target="_blank" rel="noreferrer">{dropdownMenuMorfo.apg}</a></td></tr>
						<tr><td class="name">parts.length</td><td class="default">{dropdownMenuMorfo.parts.length}</td></tr>
						<tr><td class="name">events.length</td><td class="default">{dropdownMenuMorfo.events?.length ?? 0}</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Parts</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Part</th><th>Marker</th><th>Element</th><th>Role</th><th>Archetype</th><th>States</th><th>Optional</th></tr></thead>
					<tbody>
						{#each partsList as part (part.kebab)}
							<tr>
								<td class="name">{part.kebab}</td>
								<td><code data-uix-part-marker>[{part.marker}]</code></td>
								<td class="type">&lt;{part.defaultElement}&gt;</td>
								<td class="type">{part.role ?? '—'}</td>
								<td class="default">{part.archetype ?? '—'}</td>
								<td class="default">{part.states.length ? part.states.join(' | ') : '—'}</td>
								<td class="default">{part.optional ? 'yes' : 'no'}</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>

			{#each dropdownMenuMorfo.parts as rawPart (rawPart.kebab)}
				{@const partAny = rawPart as unknown as { kebab: string; aria?: ReadonlyArray<{ attr: string; value: { kind: string }; condition?: { when: string; prop?: string; part?: string }; severity?: string }>; keyboard?: ReadonlyArray<{ key: string; action: string }> }}
				{@const dataAttrs = compiled.contracts.dataAttrsByPart.get(partAny.kebab) ?? []}
				{@const ariaAttrs = partAny.aria ?? []}
				{@const keyboard = partAny.keyboard ?? []}
				{#if dataAttrs.length || ariaAttrs.length || keyboard.length}
					<div data-uix-subsection-head>{partAny.kebab}</div>

					{#if dataAttrs.length}
						<div data-uix-table-wrap>
							<table data-uix-table>
								<thead><tr><th>data-attr</th><th>Values</th><th>Source kind</th></tr></thead>
								<tbody>
									{#each dataAttrs as attr (attr.attr)}
										<tr>
											<td class="name">{attr.attr}</td>
											<td class="type">{attr.values ? attr.values.join(' | ') : '—'}</td>
											<td class="default">{'value' in attr && attr.value ? (attr as { value: { kind: string } }).value.kind : '—'}</td>
										</tr>
									{/each}
								</tbody>
							</table>
						</div>
					{/if}

					{#if ariaAttrs.length}
						<div data-uix-table-wrap style="margin-top: var(--uix-space-2);">
							<table data-uix-table>
								<thead><tr><th>aria-attr</th><th>Source kind</th><th>Condition</th><th>Severity</th></tr></thead>
								<tbody>
									{#each ariaAttrs as a (a.attr)}
										<tr>
											<td class="name">{a.attr}</td>
											<td class="type">{a.value.kind}</td>
											<td class="default">{a.condition ? `when ${a.condition.when}${a.condition.prop ? ` (${a.condition.prop})` : ''}${a.condition.part ? ` (${a.condition.part})` : ''}` : 'always'}</td>
											<td class="default">{a.severity ?? 'required'}</td>
										</tr>
									{/each}
								</tbody>
							</table>
						</div>
					{/if}

					{#if keyboard.length}
						<div data-uix-table-wrap style="margin-top: var(--uix-space-2);">
							<table data-uix-table>
								<thead><tr><th>key</th><th>action</th></tr></thead>
								<tbody>
									{#each keyboard as kb (kb.key)}
										<tr>
											<td><span data-uix-kbd>{kb.key === ' ' ? 'Space' : kb.key}</span></td>
											<td class="default">{kb.action}</td>
										</tr>
									{/each}
								</tbody>
							</table>
						</div>
					{/if}
				{/if}
			{/each}

			<div data-uix-subsection-head>Events declaration</div>
			<p data-uix-section-desc style="margin-top: 0.25rem;">
				<code>open</code> / <code>close</code> fire <em>pre</em> the state
				flip; <code>commit-select</code> fires <em>post</em> with static
				<code>intent='affirm'</code>. Play any signal from the <a href="#sema" onclick={(e) => { e.preventDefault(); tab = 'sema'; }}>Sema</a> tab.
			</p>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>name</th><th>family</th><th>verb</th><th>sequence</th><th>intent</th><th>target</th><th>prewrite</th><th>commit</th></tr></thead>
					<tbody>
						{#each events as action (action.name)}
							{@const sem = action.semantic}
							{@const intentDecl = 'intent' in sem ? sem.intent : undefined}
							{@const intentStr = typeof intentDecl === 'string' ? intentDecl : intentDecl ? `fromProp:${(intentDecl as { fromProp?: string }).fromProp ?? '?'}` : '—'}
							<tr>
								<td class="name">{action.name}</td>
								<td class="type">{sem.family}</td>
								<td>{sem.verb ?? '—'}</td>
								<td>{sem.sequence ?? 'pre'}</td>
								<td class="default">{intentStr}</td>
								<td>{action.target}</td>
								<td class="default">{action.prewrite.length ? action.prewrite.map((p) => `${p.attr}=${p.value}`).join(', ') : '—'}</td>
								<td class="default">{action.commit ? `${action.commit.attr}=${action.commit.value}` : '—'}</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'sema'}
		<section data-uix-section id="sema">
			<h2 data-uix-section-title>
				<span data-uix-layer-badge="sema">sema</span>
				· events + perceptual signature
			</h2>
			<p data-uix-section-desc>
				Three events. <code>emerge·open</code> / <code>emerge·close</code>
				share the floating-overlay signature with ContextMenu, Popover and
				Tooltip; <code>commit·select</code> with <code>intent='affirm'</code>
				takes the affirmative-commit signature. Open the menu first so the
				Content / Item targets exist before pressing <strong>play</strong>.
			</p>

			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Name</th><th>Family</th><th>Verb</th><th>Sequence</th><th>Intent</th><th>Target part</th><th>Play</th></tr></thead>
					<tbody>
						{#each events as action (action.name)}
							{@const intentDecl = 'intent' in action.semantic ? action.semantic.intent : undefined}
							{@const effectiveIntent = typeof intentDecl === 'string' ? intentDecl : undefined}
							<tr>
								<td class="name">{action.name}</td>
								<td class="type">{action.semantic.family}</td>
								<td>{action.semantic.verb ?? '—'}</td>
								<td>{action.semantic.sequence ?? 'pre'}</td>
								<td class="default">{effectiveIntent ?? '—'}</td>
								<td class="default">{action.target}</td>
								<td>
									<button
										data-uix-play
										onclick={() => {
											const targetSel =
												action.target === 'item'
													? '[data-dropdown-menu-item]'
													: action.target === 'content'
														? '[data-dropdown-menu-content]'
														: '[data-dropdown-menu-trigger]';
											const target = (
												stageRef?.querySelector(targetSel) ??
												stageRef?.querySelector('[data-dropdown-menu-trigger]') ??
												stageRef
											) as HTMLElement | null;
											if (!target) return;
											void uix.events?.emit({
												name: action.name,
												family: action.semantic.family,
												target,
												...(effectiveIntent ? { intent: effectiveIntent } : {})
											});
										}}
									>▶ play</button>
								</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'recipe'}
		<section data-uix-section>
			<h2 data-uix-section-title>Eidos recipe</h2>
			<p data-uix-section-desc>
				Source: <code>src/uix/eidos/components/dropdown-menu/dropdown-menu.css</code>.
				Uniform chrome across <code>Content</code> and <code>SubContent</code>;
				items share one set of tokens so a fly-out reads identically to
				the root. All selectors target morfo-emitted markers — no
				eidos-private data-attrs.
			</p>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Selector</th><th>Source</th><th>Concern</th></tr></thead>
					<tbody>
						<tr><td class="name">[data-dropdown-menu-trigger]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Button reset + focus ring; ARIA-driven open-state hint.</td></tr>
						<tr><td class="name">[data-dropdown-menu-content], [data-dropdown-menu-sub-content]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Panel chrome (border, radius, surface, shadow).</td></tr>
						<tr><td class="name">[data-dropdown-menu-content][data-state='open' | 'closed']</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Enter / exit transitions.</td></tr>
						<tr><td class="name">[data-dropdown-menu-item], [data-dropdown-menu-checkbox-item], [data-dropdown-menu-radio-item], [data-dropdown-menu-sub-trigger]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Row layout, padding, gap, hover background.</td></tr>
						<tr><td class="name">[data-dropdown-menu-item][data-disabled]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Disabled opacity + cursor.</td></tr>
						<tr><td class="name">[data-dropdown-menu-checkbox-item][data-state='checked']::before</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Check indicator (rounded square).</td></tr>
						<tr><td class="name">[data-dropdown-menu-radio-item][data-state='checked']::before</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Radio indicator (circle).</td></tr>
						<tr><td class="name">[data-dropdown-menu-sub-trigger]::after</td><td><span data-uix-tag data-kind="eidos">eidos</span></td><td>Right-arrow chevron pure CSS.</td></tr>
						<tr><td class="name">[data-dropdown-menu-group-heading]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>Uppercase muted micro-caption.</td></tr>
						<tr><td class="name">[data-dropdown-menu-separator]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>1px divider line.</td></tr>
						<tr><td class="name">[data-dropdown-menu-arrow]</td><td><span data-uix-tag data-kind="soma">morfo</span></td><td>SVG fill matched to panel surface.</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'a11y'}
		<section data-uix-section>
			<h2 data-uix-section-title>Accessibility</h2>
			<p data-uix-section-desc>
				Follows the APG <a href={dropdownMenuMorfo.apg} target="_blank" rel="noreferrer">menu-button pattern</a>.
				Trigger is a native <code>&lt;button&gt;</code> exposing
				<code>aria-haspopup='menu'</code> + <code>aria-expanded</code>;
				Content gets <code>role='menu'</code>.
			</p>

			<div data-uix-subsection-head>Keyboard</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Key</th><th>Effect</th></tr></thead>
					<tbody>
						<tr><td><span data-uix-kbd>Enter</span> / <span data-uix-kbd>Space</span> on Trigger</td><td>Open the menu, focus first item.</td></tr>
						<tr><td><span data-uix-kbd>ArrowDown</span> on Trigger</td><td>Open the menu, focus first item.</td></tr>
						<tr><td><span data-uix-kbd>ArrowUp</span> / <span data-uix-kbd>ArrowDown</span></td><td>Move focus to previous / next item.</td></tr>
						<tr><td><span data-uix-kbd>Home</span> / <span data-uix-kbd>End</span></td><td>First / last item.</td></tr>
						<tr><td>Typeahead</td><td>Letters jump to the first item starting with that prefix (uses <code>textValue</code> when set).</td></tr>
						<tr><td><span data-uix-kbd>Enter</span> / <span data-uix-kbd>Space</span></td><td>Activate the focused item; close menu by default.</td></tr>
						<tr><td><span data-uix-kbd>Escape</span></td><td>Close the menu, return focus to Trigger.</td></tr>
						<tr><td><span data-uix-kbd>ArrowRight</span> on SubTrigger</td><td>Open sub-menu (or <span data-uix-kbd>ArrowLeft</span> in RTL).</td></tr>
						<tr><td><span data-uix-kbd>ArrowLeft</span> inside SubContent</td><td>Close sub-menu, return to parent.</td></tr>
						<tr><td><span data-uix-kbd>Tab</span></td><td>Trapped inside Content while open.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>ARIA contract</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Part</th><th>Attribute</th><th>Value</th></tr></thead>
					<tbody>
						<tr><td class="name">trigger</td><td>aria-haspopup</td><td class="type">"menu"</td></tr>
						<tr><td class="name">trigger</td><td>aria-expanded</td><td class="type">{`{open}`}</td></tr>
						<tr><td class="name">trigger</td><td>aria-controls</td><td class="type">{`<content id>`}</td></tr>
						<tr><td class="name">content</td><td>role</td><td class="type">"menu"</td></tr>
						<tr><td class="name">content</td><td>aria-orientation</td><td class="type">"vertical"</td></tr>
						<tr><td class="name">content</td><td>aria-labelledby</td><td class="type">{`<trigger id>`}</td></tr>
						<tr><td class="name">item</td><td>role</td><td class="type">"menuitem"</td></tr>
						<tr><td class="name">checkbox-item</td><td>role / aria-checked</td><td class="type">"menuitemcheckbox" / {`{checked}`}</td></tr>
						<tr><td class="name">radio-item</td><td>role / aria-checked</td><td class="type">"menuitemradio" / {`{checked}`}</td></tr>
						<tr><td class="name">sub-trigger</td><td>aria-haspopup / aria-expanded / aria-controls</td><td class="type">"menu" / {`{open}`} / {`<sub-content id>`}</td></tr>
						<tr><td class="name">sub-content</td><td>role / aria-labelledby</td><td class="type">"menu" / {`<sub-trigger id>`}</td></tr>
						<tr><td class="name">separator</td><td>role / aria-orientation</td><td class="type">"separator" / "horizontal"</td></tr>
						<tr><td class="name">group</td><td>role / aria-labelledby</td><td class="type">"group" / {`<group-heading id>`}</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}
</div>