diff --git a/web/src/lib/components/kit/Footer.svelte b/web/src/lib/components/kit/Footer.svelte
new file mode 100644
index 0000000..5ef7687
--- /dev/null
+++ b/web/src/lib/components/kit/Footer.svelte
@@ -0,0 +1,21 @@
+<footer class="preview-footer">
+	<span>easy-png-tools <b class="version">v2.4.0</b></span>
+	<span>© 2024</span>
+</footer>
+
+<style>
+	.preview-footer {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		gap: 1rem;
+		padding: 16px clamp(20px, 4vw, 64px);
+		border-top: 1px solid var(--line);
+		font: 10px var(--font-mono);
+		letter-spacing: 0.08em;
+		color: var(--muted);
+	}
+	.preview-footer .version {
+		color: var(--blue);
+	}
+</style>
diff --git a/web/src/lib/components/kit/PageGrid.svelte b/web/src/lib/components/kit/PageGrid.svelte
new file mode 100644
index 0000000..c2afa54
--- /dev/null
+++ b/web/src/lib/components/kit/PageGrid.svelte
@@ -0,0 +1,37 @@
+<script lang="ts">
+	import type { Snippet } from "svelte";
+
+	interface Props {
+		settings: Snippet;
+		preview: Snippet;
+	}
+
+	let { settings, preview }: Props = $props();
+</script>
+
+<div class="ws">
+	<section class="ws-settings">{@render settings()}</section>
+	{@render preview()}
+</div>
+
+<style>
+	.ws {
+		display: grid;
+		grid-template-columns: minmax(0, 1.05fr) minmax(520px, 0.95fr);
+		align-items: start;
+		gap: 56px;
+		max-width: none;
+		margin: auto;
+		padding: 60px clamp(24px, 4vw, 72px) 72px;
+	}
+	.ws-settings {
+		min-width: 0;
+	}
+	@media (max-width: 800px) {
+		.ws {
+			grid-template-columns: 1fr;
+			gap: var(--ws-gap-mobile);
+			padding: 36px 16px 48px;
+		}
+	}
+</style>
diff --git a/web/src/lib/components/kit/WorkspaceLayout.svelte b/web/src/lib/components/kit/WorkspaceLayout.svelte
deleted file mode 100644
index c5b2a5d..0000000
--- a/web/src/lib/components/kit/WorkspaceLayout.svelte
+++ /dev/null
@@ -1,57 +0,0 @@
-<script lang="ts">
-	import type { Snippet } from "svelte";
-
-	interface Props {
-		settings: Snippet;
-		preview: Snippet;
-		columns?: string;
-		gap?: string;
-		padding?: string;
-		maxWidth?: string;
-		stickyTop?: string;
-		padMobile?: string;
-		gapMobile?: string;
-	}
-
-	let {
-		settings,
-		preview,
-		columns = "minmax(0, 1fr) minmax(0, 1.1fr)",
-		gap = "40px",
-		padding = "48px clamp(24px, 4vw, 72px) 72px",
-		maxWidth = "1680px",
-		stickyTop = "84px",
-		padMobile = "32px 16px 48px",
-		gapMobile = "24px",
-	}: Props = $props();
-</script>
-
-<div
-	class="ws"
-	style="--ws-cols:{columns};--ws-gap:{gap};--ws-pad:{padding};--ws-max:{maxWidth};--ws-sticky:{stickyTop};--ws-pad-mobile:{padMobile};--ws-gap-mobile:{gapMobile};"
->
-	<section class="ws-settings">{@render settings()}</section>
-	{@render preview()}
-</div>
-
-<style>
-	.ws {
-		display: grid;
-		grid-template-columns: var(--ws-cols);
-		align-items: start;
-		gap: var(--ws-gap);
-		max-width: var(--ws-max);
-		margin: auto;
-		padding: var(--ws-pad);
-	}
-	.ws-settings {
-		min-width: 0;
-	}
-	@media (max-width: 800px) {
-		.ws {
-			grid-template-columns: 1fr;
-			gap: var(--ws-gap-mobile);
-			padding: var(--ws-pad-mobile);
-		}
-	}
-</style>
diff --git a/web/src/routes/preview/+layout.svelte b/web/src/routes/preview/+layout.svelte
index 07c8695..fd5b7fc 100644
--- a/web/src/routes/preview/+layout.svelte
+++ b/web/src/routes/preview/+layout.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
-	import { page } from "$app/stores";
+	import { page } from "$app/state";
+	import Footer from "$lib/components/kit/Footer.svelte";
 	import TopBar from "$lib/components/kit/TopBar.svelte";
-	import { Link2 } from "@lucide/svelte";
 	import "$lib/styles/design2.css";
 	import type { Snippet } from "svelte";
 
@@ -31,14 +31,8 @@
 		}
 	});
 
-	let crumb = $derived(toCrumb($page.url.pathname));
-	let status = $derived(toStatus($page.url.pathname));
-
-	const FOOTER_NOTE: Record<string, string> = {
-		"/preview/tools/linear-gradient-png": "gradient tool · local-only",
-		"/preview/tools/remove-background-png": "background remover · local-only",
-	};
-	let footerNote = $derived(FOOTER_NOTE[$page.url.pathname] ?? "pipeline is local-only");
+	let crumb = $derived(toCrumb(page.url.pathname));
+	let status = $derived(toStatus(page.url.pathname));
 
 	const CRUMB: Record<string, string> = {
 		"/preview/demo": "WORKSPACE",
@@ -55,7 +49,12 @@
 	};
 
 	function toCrumb(path: string): string {
-		return "/ " + (CRUMB[path] ?? path.split("/").filter(Boolean).pop()?.toUpperCase() ?? "PREVIEW");
+		return (
+			"/ " +
+			(CRUMB[path] ??
+				path.split("/").filter(Boolean).pop()?.toUpperCase() ??
+				"PREVIEW")
+		);
 	}
 
 	function toStatus(path: string): string {
@@ -66,30 +65,16 @@
 <main class="preview-root" data-theme={theme}>
 	<TopBar {theme} {crumb} {status} ontoggle={toggle} />
 	{@render children()}
-	{#if $page.url.pathname !== "/preview/list-tools"}
-		<footer class="preview-footer">
-			<span>easy-png-tools <b>v2.4.0</b></span>
-			<span
-				>{#if footerNote === "pipeline is local-only"}<Link2 size={13} /> {/if}{footerNote}</span
-			>
-			<span>© 2024</span>
-		</footer>
-	{/if}
+	<Footer />
 </main>
 
 <style>
-	.preview-footer {
-		display: flex;
-		align-items: center;
-		justify-content: space-between;
-		gap: 1rem;
-		padding: 16px clamp(20px, 4vw, 64px);
-		border-top: 1px solid var(--line);
-		font: 10px var(--font-mono);
-		letter-spacing: 0.08em;
-		color: var(--muted);
-	}
-	.preview-footer .version {
-		color: var(--blue);
+	main {
+		background-color: var(--background);
+		background-image:
+			linear-gradient(#dce2e7 1px, #0000 1px),
+			linear-gradient(90deg, #dce2e7 1px, #0000 1px);
+		background-size: 32px 32px;
+		min-height: 100vh;
 	}
 </style>
diff --git a/web/src/routes/preview/demo/+page.svelte b/web/src/routes/preview/demo/+page.svelte
index b44956c..a8f28de 100644
--- a/web/src/routes/preview/demo/+page.svelte
+++ b/web/src/routes/preview/demo/+page.svelte
@@ -1,21 +1,26 @@
 <script lang="ts">
-	import { Settings2, ChevronDown, Plus, SlidersHorizontal } from "@lucide/svelte";
-	import WorkspaceLayout from "$lib/components/kit/WorkspaceLayout.svelte";
-	import WorkspaceHeader from "./WorkspaceHeader.svelte";
-	import SectionLabel from "$lib/components/kit/SectionLabel.svelte";
-	import StepCard from "$lib/components/kit/StepCard.svelte";
 	import Badge from "$lib/components/kit/Badge.svelte";
-	import FieldGrid from "$lib/components/kit/FieldGrid.svelte";
 	import ColorField from "$lib/components/kit/ColorField.svelte";
-	import SliderField from "$lib/components/kit/SliderField.svelte";
-	import Segmented from "$lib/components/kit/Segmented.svelte";
-	import ToggleRow from "$lib/components/kit/ToggleRow.svelte";
+	import DownloadButton from "$lib/components/kit/DownloadButton.svelte";
+	import FieldGrid from "$lib/components/kit/FieldGrid.svelte";
+	import IconButton from "$lib/components/kit/IconButton.svelte";
+	import MetaList from "$lib/components/kit/MetaList.svelte";
+	import PageGrid from "$lib/components/kit/PageGrid.svelte";
+	import PipelineFooter from "$lib/components/kit/PipelineFooter.svelte";
 	import PreviewStack from "$lib/components/kit/PreviewStack.svelte";
 	import PreviewTile from "$lib/components/kit/PreviewTile.svelte";
-	import DownloadButton from "$lib/components/kit/DownloadButton.svelte";
-	import MetaList from "$lib/components/kit/MetaList.svelte";
-	import IconButton from "$lib/components/kit/IconButton.svelte";
-	import PipelineFooter from "$lib/components/kit/PipelineFooter.svelte";
+	import SectionLabel from "$lib/components/kit/SectionLabel.svelte";
+	import Segmented from "$lib/components/kit/Segmented.svelte";
+	import SliderField from "$lib/components/kit/SliderField.svelte";
+	import StepCard from "$lib/components/kit/StepCard.svelte";
+	import ToggleRow from "$lib/components/kit/ToggleRow.svelte";
+	import {
+		ChevronDown,
+		Plus,
+		Settings2,
+		SlidersHorizontal,
+	} from "@lucide/svelte";
+	import WorkspaceHeader from "./WorkspaceHeader.svelte";
 
 	let gradColor = $state("#DCEBFF");
 	let direction = $state(135);
@@ -59,14 +64,7 @@
 	<meta name="robots" content="noindex, nofollow" />
 </svelte:head>
 
-<WorkspaceLayout
-	columns="minmax(0, 1.05fr) minmax(520px, 0.95fr)"
-	gap="56px"
-	padding="60px clamp(24px, 4vw, 72px) 72px"
-	maxWidth="1200px"
-	stickyTop="24px"
-	padMobile="36px 16px 48px"
->
+<PageGrid>
 	{#snippet settings()}
 		<WorkspaceHeader
 			eyebrowA="PNG PROCESSING"
@@ -76,9 +74,16 @@
 			file={{ name: "source.png", size: "1.8 MB" }}
 		/>
 
-		<SectionLabel label="PROCESSING PIPELINE" title="4 active steps" meta="• LIVE" unwrapActions>
+		<SectionLabel
+			label="PROCESSING PIPELINE"
+			title="4 active steps"
+			meta="• LIVE"
+			unwrapActions
+		>
 			{#snippet actions()}
-				<button class="add-btn" onclick={() => {}}><Plus size={15} /> Add tool</button>
+				<button class="add-btn" onclick={() => {}}
+					><Plus size={15} /> Add tool</button
+				>
 			{/snippet}
 		</SectionLabel>
 
@@ -92,27 +97,27 @@
 				{#snippet tools()}
 					<Badge tone="success" check>AUTO</Badge>
 				{/snippet}
-				<FieldGrid>
-					<ColorField label="COLOR" chevron bind:value={gradColor} />
-					<SliderField
-						label="DIRECTION"
-						bind:value={direction}
-						min={0}
-						max={360}
-						suffix=" °"
-					/>
-					<div class="control-block">
-						<label>OPACITY <output>{opacity}%</output></label>
-						<Segmented
-							bind:value={opacity}
-							options={[
-								{ value: "100", label: "100" },
-								{ value: "75", label: "75" },
-								{ value: "50", label: "50" },
-								{ value: "25", label: "25" },
-							]}
-						/>
-					</div>
+				<FieldGrid>
+					<ColorField label="COLOR" chevron bind:value={gradColor} />
+					<SliderField
+						label="DIRECTION"
+						bind:value={direction}
+						min={0}
+						max={360}
+						suffix=" °"
+					/>
+					<div class="control-block">
+						<label>OPACITY <output>{opacity}%</output></label>
+						<Segmented
+							bind:value={opacity}
+							options={[
+								{ value: "100", label: "100" },
+								{ value: "75", label: "75" },
+								{ value: "50", label: "50" },
+								{ value: "25", label: "25" },
+							]}
+						/>
+					</div>
 				</FieldGrid>
 			</StepCard>
 
@@ -125,8 +130,8 @@
 				{#snippet tools()}
 					<Badge tone="success" check>AUTO</Badge>
 				{/snippet}
-				<div class="transform-note">
-					<SlidersHorizontal size={15} /> Automatic subject detection enabled
+				<div class="transform-note">
+					<SlidersHorizontal size={15} /> Automatic subject detection enabled
 				</div>
 			</StepCard>
 
@@ -134,15 +139,15 @@
 				{#snippet tools()}
 					<Badge tone="success" check>AUTO</Badge>
 				{/snippet}
-				<FieldGrid compact>
-					<SliderField
-						label="WIDTH"
-						bind:value={outlineWidth}
-						min={0}
-						max={8}
-						suffix=" px"
-					/>
-					<ColorField label="COLOR" dark bind:value={outlineColor} />
+				<FieldGrid compact>
+					<SliderField
+						label="WIDTH"
+						bind:value={outlineWidth}
+						min={0}
+						max={8}
+						suffix=" px"
+					/>
+					<ColorField label="COLOR" dark bind:value={outlineColor} />
 				</FieldGrid>
 			</StepCard>
 
@@ -155,15 +160,18 @@
 				{#snippet tools()}
 					<Badge tone="success" check>AUTO</Badge>
 				{/snippet}
-				<FieldGrid compact>
-					<SliderField
-						label="RADIUS"
-						bind:value={radius}
-						min={0}
-						max={48}
-						suffix=" px"
-					/>
-					<ToggleRow label="Preserve aspect ratio" bind:checked={preserveAspect} />
+				<FieldGrid compact>
+					<SliderField
+						label="RADIUS"
+						bind:value={radius}
+						min={0}
+						max={48}
+						suffix=" px"
+					/>
+					<ToggleRow
+						label="Preserve aspect ratio"
+						bind:checked={preserveAspect}
+					/>
 				</FieldGrid>
 			</StepCard>
 		</div>
@@ -178,10 +186,7 @@
 					<button class="history-toggle" onclick={() => {}}>
 						Hide intermediate <ChevronDown size={15} />
 					</button>
-					<DownloadButton
-						label="Download result"
-						onclick={() => {}}
-					/>
+					<DownloadButton label="Download result" onclick={() => {}} />
 					<MetaList
 						items={[
 							{ caption: "DIMENSIONS", value: "1200 × 800 px" },
@@ -199,17 +204,17 @@
 
 			<PreviewStack pad="16px 0">
 				{#each previewTiles as tile (tile.label)}
-				<PreviewTile label={tile.label} caption={tile.caption}>
-					<div
-						class="ph"
-						class:active={tile.active}
-						style="background:{tile.bg}; border-radius:{tile.radius ??
-							'0'}; box-shadow:{tile.ring ?? 'none'};"
-					>
-						<span class="sample-icon">PNG</span>
-						<span>easy-png-tools</span>
-					</div>
-				</PreviewTile>
+					<PreviewTile label={tile.label} caption={tile.caption}>
+						<div
+							class="ph"
+							class:active={tile.active}
+							style="background:{tile.bg}; border-radius:{tile.radius ??
+								'0'}; box-shadow:{tile.ring ?? 'none'};"
+						>
+							<span class="sample-icon">PNG</span>
+							<span>easy-png-tools</span>
+						</div>
+					</PreviewTile>
 				{/each}
 			</PreviewStack>
 
@@ -218,7 +223,7 @@
 			</p>
 		</section>
 	{/snippet}
-</WorkspaceLayout>
+</PageGrid>
 
 <style>
 	.add-btn {
@@ -301,4 +306,3 @@
 		line-height: 1.5;
 	}
 </style>
-