v class="playground">
    <!-- Sidebar with samples -->
    <div class="sidebar">
      <h2>Code Samples</h2>
      <ul class="samples-list" id="samplesList">
        <!-- Samples will be populated by JavaScript -->
      </ul>
    </div>

    <!-- Code Editor Panel -->
    <div class="code-panel">
      <div class="panel-header">
        <span class="panel-title">Code Editor</span>
        <button class="run-button" id="runButton">Run Code</button>
      </div>
      <div class="editor-container">
        