ion for future visits.</p>
      <div class="code">
        <pre>
<code>
  puppertinoThemeMan.toggle();
</code>
      </pre>
    </div>
    <p>When this function is called, PuppertinoThemeMan will:</p>
    <ul>
      <li>Add or remove the dark theme class from the document’s body.</li>
      <li>Save the user’s selection in <code class="code">localStorage</code> to remember the preference across sessions.</li>
    </ul>

    <h3>3. System Theme Auto-Detection</h3>
    <p>If enabled in the <code class="c