Fieldset Joined

                    <div class="p-6 space-y-4 bg-white rounded-lg">
  <!-- Fieldset with Joined Elements -->
  <fieldset class="w-full bg-gray-100 border border-gray-300 rounded-lg p-4">
    <legend class="px-2 text-lg font-medium text-gray-900">Settings</legend>
    
    <div class="flex w-full">
      <input type="text" class="flex-grow px-3 py-2 text-gray-700 bg-white border border-r-0 rounded-l-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500" placeholder="Product name" />
      <button class="px-4 py-2 text-white bg-blue-600 border border-blue-600 rounded-r-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2">Save</button>
    </div>
  </fieldset>
</div>