fix: unify responsive design across documentation portal

app/pages/packages/styles.wrn

@@ -9,9 +9,8 @@ page wrnexusstyles {
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         <a class="brand" href="/"><span>W</span> WRNexusJS</a>
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-        <a class="preview-pill" href="/access">Private preview · v0.2.15</a>
-        <button data-wire-theme-toggle class="theme-button" aria-label="Toggle theme">Theme</button>
+        <nav aria-label="Primary"><a href="/getting-started">Get started</a><a href="/tutorial">Tutorial</a><a href="/packages">Packages</a><a href="/guides/project-structure">Guides</a><a href="/language">.wrn language</a><a href="/examples">Examples</a><a href="/search">Search</a></nav>
+        <div class="topbar-actions"><a class="preview-pill" href="/access">Preview · v0.2.15</a><button data-wire-theme-toggle class="theme-button" aria-label="Toggle color theme" title="Toggle color theme">◐</button></div>
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       <aside class="sidebar"><a href="/packages">← All packages</a><span class="category">Frontend</span><h2>@wrnexus/styles</h2><p>CSS pipeline, themes, fonts, profiles, and application config.</p><span class="status status-beta">Private preview · 0.2.15</span><nav><a href="#access">Access</a><a href="#guide">Guide</a><a href="#api">Complete API</a></nav></aside>
@@ -21,7 +20,6 @@ page wrnexusstyles {
 <p>This package owns three server-side concerns that shape every page a WRNexusJS app renders:</p>
 <p>1. <strong>Global stylesheet pipeline</strong> — finds <code>app/styles/global.css</code> (or aggregates <code>app/styles/*.css</code>), bundles it with Bun's CSS bundler (which resolves <code>@import</code>, including from <code>node_modules</code>), and produces one stylesheet that is <code>&lt;link&gt;</code>ed into every page's <code>&lt;head&gt;</code>. Because it is a plain global sheet, it styles server-rendered markup and hydrated client islands identically. A custom <code>process</code> hook lets you swap in Tailwind / PostCSS / Sass. 2. <strong>Theme system</strong> — design tokens exposed as CSS custom properties (<code>--wire-&lt;key&gt;</code>), with built-in <code>light</code>/<code>dark</code> sets, deep-merged user overrides, an SSR <code>&lt;html data-theme&gt;</code> render (no flash), and a tiny client runtime to toggle/persist the choice. 3. <strong>App config</strong> — loads <code>wrnexus.config.ts</code> (the <code>AppConfig</code> type), applies named profile overrides, and loads the <code>.env</code> cascade.</p>
 <p>It runs server-side / at build time. Reach for it when configuring an app, defining themes, or customising how global CSS is produced.</p>
-<h3 id="installation">Installation</h3>
 <pre data-language="bash"><code>bun add @wrnexus/styles</code></pre>
 <blockquote>Private package — the machine must be authenticated to the <code>wrnexus</code> npm org</blockquote>
 <blockquote>(a read token in <code>~/.npmrc</code>). Requires <strong>Bun</strong> (Node is not supported).</blockquote>
@@ -562,7 +560,7 @@ export default &#123;
     &#125;,
   &#125;,
 &#125; satisfies AppConfig;</code></pre></article></div></section></article>
-      <aside class="on-this-page"><h2>On this page</h2><nav><a class="toc-level-2" href="#guide">Guide</a><a class="toc-level-3" href="#overview">Overview</a><a class="toc-level-3" href="#installation">Installation</a><a class="toc-level-3" href="#api">API</a><a class="toc-level-4" href="#config-loading">Config loading</a><a class="toc-level-4" href="#appconfig">AppConfig</a><a class="toc-level-4" href="#styles-pipeline">Styles pipeline</a><a class="toc-level-4" href="#theme-system">Theme system</a><a class="toc-level-3" href="#usage">Usage</a><a class="toc-level-4" href="#wrnexus-config-ts">wrnexus.config.ts</a><a class="toc-level-4" href="#loading-config-producing-css">Loading config + producing CSS</a><a class="toc-level-4" href="#rendering-the-theme">Rendering the theme</a><a class="toc-level-3" href="#requirements-notes">Requirements / Notes</a><a class="toc-level-2" href="#api">Complete API</a><a class="toc-level-2" href="#examples">Examples</a></nav></aside>
+      <aside class="on-this-page"><h2>On this page</h2><nav><a class="toc-level-2" href="#guide">Guide</a><a class="toc-level-3" href="#overview">Overview</a><a class="toc-level-3" href="#api">API</a><a class="toc-level-4" href="#config-loading">Config loading</a><a class="toc-level-4" href="#appconfig">AppConfig</a><a class="toc-level-4" href="#styles-pipeline">Styles pipeline</a><a class="toc-level-4" href="#theme-system">Theme system</a><a class="toc-level-3" href="#usage">Usage</a><a class="toc-level-4" href="#wrnexus-config-ts">wrnexus.config.ts</a><a class="toc-level-4" href="#loading-config-producing-css">Loading config + producing CSS</a><a class="toc-level-4" href="#rendering-the-theme">Rendering the theme</a><a class="toc-level-3" href="#requirements-notes">Requirements / Notes</a><a class="toc-level-2" href="#api">Complete API</a><a class="toc-level-2" href="#examples">Examples</a></nav></aside>
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       <footer>WRNexusJS 0.2.15 · Private Developer Preview · Bun-native · Documentation generated from installed package APIs.</footer>
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