chore(app): update config, dependencies, storybook, and app shell

src/app/App.svelte

@@ -1,3 +1,7 @@
+<!--
+    Component: App
+    Application root with query provider and layout
+-->
 <script lang="ts">
 /**
  * App Component

src/app/providers/QueryProvider.svelte

@@ -11,6 +11,9 @@ import { QueryClientProvider } from '@tanstack/svelte-query';
 import type { Snippet } from 'svelte';
 
 interface Props {
+    /**
+     * Content snippet
+     */
     children?: Snippet;
 }
 

src/app/styles/app.css

@@ -306,81 +306,72 @@
     animation: nudge 10s ease-in-out infinite;
 }
 
-* {
-    scrollbar-width: thin;
-    scrollbar-color: hsl(0 0% 70% / 0.4) transparent;
+/* ============================================
+   SCROLLBAR STYLES
+   ============================================ */
+
+/* ---- Modern API: color + width (Chrome 121+, FF 64+) ---- */
+@supports (scrollbar-width: auto) {
+    * {
+        scrollbar-width: thin;
+        scrollbar-color: hsl(0 0% 70% / 0.4) var(--color-surface);
+    }
+
+    .dark * {
+        scrollbar-color: hsl(0 0% 40% / 0.5) var(--color-surface);
+    }
 }
 
-.dark * {
-    scrollbar-color: hsl(0 0% 40% / 0.5) transparent;
+/* ---- Webkit layer: runs ON TOP in Chrome, standalone in old Safari ---- */
+/* Handles things scrollbar-width can't: hiding buttons, exact sizing    */
+@supports selector(::-webkit-scrollbar) {
+    ::-webkit-scrollbar {
+        width: 6px;
+        height: 6px;
+    }
+
+    ::-webkit-scrollbar-button {
+        display: none;  /* kills arrows */
+    }
+
+    ::-webkit-scrollbar-track {
+        background: var(--color-surface);
+    }
+
+    ::-webkit-scrollbar-thumb {
+        background: hsl(0 0% 70% / 0.4);
+        border-radius: 3px;
+    }
+
+    ::-webkit-scrollbar-thumb:hover {
+        background: hsl(0 0% 50% / 0.6);
+    }
+
+    ::-webkit-scrollbar-thumb:active {
+        background: hsl(0 0% 40% / 0.8);
+    }
+
+    ::-webkit-scrollbar-corner {
+        background: var(--color-surface);
+    }
+
+    .dark ::-webkit-scrollbar-thumb        { background: hsl(0 0% 40% / 0.5); }
+    .dark ::-webkit-scrollbar-thumb:hover  { background: hsl(0 0% 55% / 0.6); }
+    .dark ::-webkit-scrollbar-thumb:active { background: hsl(0 0% 65% / 0.7); }
 }
 
-/* ---- Webkit / Blink ---- */
-::-webkit-scrollbar {
-    width: 6px;
-    height: 6px;
-}
-
-::-webkit-scrollbar-track {
-    background: transparent;
-}
-
-::-webkit-scrollbar-thumb {
-    background: hsl(0 0% 70% / 0);
-    border-radius: 3px;
-    transition: background 0.2s ease;
-}
-
-/* Show thumb when container is hovered or actively scrolling */
-:hover > ::-webkit-scrollbar-thumb,
-::-webkit-scrollbar-thumb:hover,
-*:hover::-webkit-scrollbar-thumb {
-    background: hsl(0 0% 70% / 0.4);
-}
-
-::-webkit-scrollbar-thumb:hover {
-    background: hsl(0 0% 50% / 0.6);
-}
-
-::-webkit-scrollbar-thumb:active {
-    background: hsl(0 0% 40% / 0.8);
-}
-
-::-webkit-scrollbar-corner {
-    background: transparent;
-}
-
-/* Dark mode */
-.dark ::-webkit-scrollbar-thumb {
-    background: hsl(0 0% 40% / 0);
-}
-
-.dark :hover > ::-webkit-scrollbar-thumb,
-.dark ::-webkit-scrollbar-thumb:hover,
-.dark *:hover::-webkit-scrollbar-thumb {
-    background: hsl(0 0% 40% / 0.5);
-}
-
-.dark ::-webkit-scrollbar-thumb:hover {
-    background: hsl(0 0% 55% / 0.6);
-}
-
-.dark ::-webkit-scrollbar-thumb:active {
-    background: hsl(0 0% 65% / 0.7);
-}
-
-/* ---- Behavior ---- */
-* {
+html {
     scroll-behavior: smooth;
-    scrollbar-gutter: stable;
 }
 
 @media (prefers-reduced-motion: reduce) {
-    html {
-        scroll-behavior: auto;
-    }
+    html { scroll-behavior: auto; }
 }
 
 body {
     overscroll-behavior-y: none;
 }
+
+.scroll-stable {
+    scrollbar-gutter: stable;
+}

src/app/ui/Layout.svelte

@@ -1,3 +1,7 @@
+<!--
+    Component: Layout
+    Application shell with providers and page wrapper
+-->
 <script lang="ts">
 /**
  * Layout Component
@@ -11,13 +15,9 @@
  * - Footer area (currently empty, reserved for future use)
  */
 import { BreadcrumbHeader } from '$entities/Breadcrumb';
-import {
-    ThemeSwitch,
-    themeManager,
-} from '$features/ChangeAppTheme';
+import { themeManager } from '$features/ChangeAppTheme';
 import GD from '$shared/assets/GD.svg';
 import { ResponsiveProvider } from '$shared/lib';
-import { ScrollArea } from '$shared/shadcn/ui/scroll-area';
 import { Provider as TooltipProvider } from '$shared/shadcn/ui/tooltip';
 import { cn } from '$shared/shadcn/utils/shadcn-utils';
 import {
@@ -27,36 +27,16 @@ import {
 } from 'svelte';
 
 interface Props {
+    /**
+     * Content snippet
+     */
     children: Snippet;
 }
 
 let { children }: Props = $props();
-let fontsReady = $state(false);
+let fontsReady = $state(true);
 const theme = $derived(themeManager.value);
 
-/**
- * Sets fontsReady flag to true when font for the page logo is loaded.
- */
-onMount(async () => {
-    if (!('fonts' in document)) {
-        fontsReady = true;
-        return;
-    }
-
-    const required = ['100'];
-
-    const missing = required.filter(
-        w => !document.fonts.check(`${w} 1em Barlow`),
-    );
-
-    if (missing.length > 0) {
-        await Promise.all(
-            missing.map(w => document.fonts.load(`${w} 1em Barlow`)),
-        );
-    }
-    fontsReady = true;
-});
-
 onMount(() => themeManager.init());
 onDestroy(() => themeManager.destroy());
 </script>
@@ -94,30 +74,29 @@ onDestroy(() => themeManager.destroy());
             href="https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Space+Grotesk:wght@300..700&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&family=Syne:wght@800&display=swap"
         />
     </noscript>
-    <title>Compare Typography & Typefaces | GlyphDiff</title>
+    <title>GlyphDiff | Typography & Typefaces</title>
 </svelte:head>
 
 <ResponsiveProvider>
     <div
         id="app-root"
         class={cn(
-            'min-h-screen flex flex-col bg-surface dark:bg-dark-bg',
+            'min-h-screen w-auto flex flex-col bg-surface dark:bg-dark-bg',
             theme === 'dark' ? 'dark' : '',
         )}
     >
         <header>
             <BreadcrumbHeader />
-            <ThemeSwitch />
         </header>
 
         <!-- <ScrollArea class="h-screen w-screen"> -->
-        <main class="flex-1 w-full mx-auto px-4 pt-0 pb-10 sm:px-6 sm:pt-8 sm:pb-12 md:px-8 md:pt-10 md:pb-16 lg:px-10 lg:pt-12 lg:pb-20 xl:px-16 relative">
-            <TooltipProvider>
-                {#if fontsReady}
-                    {@render children?.()}
-                {/if}
-            </TooltipProvider>
-        </main>
+        <!-- <main class="flex-1 w-full mx-auto relative"> -->
+        <TooltipProvider>
+            {#if fontsReady}
+                {@render children?.()}
+            {/if}
+        </TooltipProvider>
+        <!-- </main> -->
         <!-- </ScrollArea> -->
         <footer></footer>
     </div>

src/routes/Page.svelte

@@ -4,149 +4,22 @@
 -->
 <script lang="ts">
 import { scrollBreadcrumbsStore } from '$entities/Breadcrumb';
-import type { ResponsiveManager } from '$shared/lib';
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
-import {
-    Logo,
-    Section,
-} from '$shared/ui';
-import ComparisonSlider from '$widgets/ComparisonSlider/ui/ComparisonSlider/ComparisonSlider.svelte';
-import { FontSearch } from '$widgets/FontSearch';
-import { SampleList } from '$widgets/SampleList';
-import CodeIcon from '@lucide/svelte/icons/code';
-import EyeIcon from '@lucide/svelte/icons/eye';
-import LineSquiggleIcon from '@lucide/svelte/icons/line-squiggle';
-import ScanSearchIcon from '@lucide/svelte/icons/search';
-import {
-    type Snippet,
-    getContext,
-} from 'svelte';
+import { ComparisonView } from '$widgets/ComparisonView';
+import { FontSearchSection } from '$widgets/FontSearch';
+import { SampleListSection } from '$widgets/SampleList';
 import { cubicIn } from 'svelte/easing';
 import { fade } from 'svelte/transition';
-
-let searchContainer: HTMLElement;
-
-let isExpanded = $state(true);
-const responsive = getContext<ResponsiveManager>('responsive');
-
-function handleTitleStatusChanged(
-    index: number,
-    isPast: boolean,
-    title?: Snippet<[{ className?: string }]>,
-    id?: string,
-) {
-    if (isPast && title) {
-        scrollBreadcrumbsStore.add({ index, title, id });
-    } else {
-        scrollBreadcrumbsStore.remove(index);
-    }
-
-    return () => {
-        scrollBreadcrumbsStore.remove(index);
-    };
-}
 </script>
 
-<!-- Font List -->
 <div
-    class="p-2 sm:p-3 md:p-4 h-full grid gap-3 sm:gap-4 grid-cols-[max-content_1fr]"
+    class="h-full flex flex-col gap-3 sm:gap-4"
     in:fade={{ duration: 500, delay: 150, easing: cubicIn }}
 >
-    <Section
-        class="py-4 sm:py-10 md:py-12 gap-6 sm:gap-8"
-        onTitleStatusChange={handleTitleStatusChanged}
-    >
-        {#snippet icon({ className })}
-            <CodeIcon class={className} />
-        {/snippet}
-        {#snippet description({ className })}
-            <span class={className}> Project_Codename </span>
-        {/snippet}
-        {#snippet content({ className })}
-            <div class={cn(className, 'col-start-0 col-span-2')}>
-                <Logo />
-            </div>
-        {/snippet}
-    </Section>
-
-    <Section
-        class="py-4 sm:py-10 md:py-12 gap-6 sm:gap-x-12 sm:gap-y-8"
-        index={1}
-        id="optical_comparator"
-        onTitleStatusChange={handleTitleStatusChanged}
-        stickyTitle={responsive.isDesktopLarge}
-        stickyOffset="4rem"
-    >
-        {#snippet icon({ className })}
-            <EyeIcon class={className} />
-        {/snippet}
-        {#snippet title({ className })}
-            <h1 class={className}>
-                Optical<br />Comparator
-            </h1>
-        {/snippet}
-        {#snippet content({ className })}
-            <div class={cn(className, !responsive.isDesktopLarge && 'col-start-0 col-span-2')}>
-                <ComparisonSlider />
-            </div>
-        {/snippet}
-    </Section>
-
-    <Section
-        class="py-4 sm:py-10 md:py-12 gap-6 sm:gap-x-12 sm:gap-y-8"
-        index={2}
-        id="query_module"
-        onTitleStatusChange={handleTitleStatusChanged}
-        stickyTitle={responsive.isDesktopLarge}
-        stickyOffset="4rem"
-    >
-        {#snippet icon({ className })}
-            <ScanSearchIcon class={className} />
-        {/snippet}
-        {#snippet title({ className })}
-            <h2 class={className}>
-                Query<br />Module
-            </h2>
-        {/snippet}
-        {#snippet content({ className })}
-            <div class={cn(className, !responsive.isDesktopLarge && 'col-start-0 col-span-2')}>
-                <FontSearch bind:showFilters={isExpanded} />
-            </div>
-        {/snippet}
-    </Section>
-
-    <Section
-        class="py-4 sm:py-10 md:py-12 gap-6 sm:gap-x-12 sm:gap-y-8"
-        index={3}
-        id="sample_set"
-        onTitleStatusChange={handleTitleStatusChanged}
-        stickyTitle={responsive.isDesktopLarge}
-        stickyOffset="4rem"
-    >
-        {#snippet icon({ className })}
-            <LineSquiggleIcon class={className} />
-        {/snippet}
-        {#snippet title({ className })}
-            <h2 class={className}>
-                Sample<br />Set
-            </h2>
-        {/snippet}
-        {#snippet content({ className })}
-            <div class={cn(className, !responsive.isDesktopLarge && 'col-start-0 col-span-2')}>
-                <SampleList />
-            </div>
-        {/snippet}
-    </Section>
+    <section class="w-auto">
+        <ComparisonView />
+    </section>
+    <main class="w-full pt-0 pb-10 sm:px-6 sm:pt-16 sm:pb-12 md:px-8 md:pt-32 md:pb-16 lg:px-10 lg:pt-48 lg:pb-20 xl:px-16">
+        <FontSearchSection />
+        <SampleListSection index={1} />
+    </main>
 </div>
-
-<style>
-.content {
-  /* Tells the browser to skip rendering off-screen content */
-  content-visibility: auto;
-  /* Helps the browser reserve space without calculating everything */
-  contain-intrinsic-size: 1px 1000px;
-
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-</style>