按钮组件

<div class="flex flex-wrap justify-center gap-4 p-4">
  <!-- Primary Button -->
  <button class="px-6 py-3 font-semibold text-white bg-gray-800 rounded-md shadow-md hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-gray-700 focus:ring-opacity-50
                     dark:bg-gray-200 dark:text-gray-900 dark:hover:bg-gray-300 dark:focus:ring-gray-300">
    Primary Button
  </button>

  <!-- Secondary Button -->
  <button class="px-6 py-3 font-semibold text-gray-800 bg-white border border-gray-300 rounded-md shadow-md hover:bg-gray-100 focus:outline-none focus:ring-2 focus:ring-gray-200 focus:ring-opacity-50
                     dark:bg-gray-900 dark:text-gray-200 dark:border-gray-700 dark:hover:bg-gray-800 dark:focus:ring-gray-700">
    Secondary Button
  </button>

  <!-- Tertiary Button -->
  <button class="px-6 py-3 font-semibold text-gray-600 bg-transparent rounded-md hover:bg-gray-100 focus:outline-none focus:ring-2 focus:ring-gray-200 focus:ring-opacity-50
                     dark:text-gray-400 dark:hover:bg-gray-800 dark:focus:ring-gray-700">
    Tertiary Button
  </button>

  <!-- Disabled Button -->
  <button class="px-6 py-3 font-semibold text-gray-400 bg-gray-200 rounded-md cursor-not-allowed
                     dark:bg-gray-700 dark:text-gray-600" disabled>
    Disabled Button
  </button>

  <!-- Button with Icon -->
  <button class="flex items-center px-6 py-3 font-semibold text-white bg-gray-800 rounded-md shadow-md hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-gray-700 focus:ring-opacity-50
                     dark:bg-gray-200 dark:text-gray-900 dark:hover:bg-gray-300 dark:focus:ring-gray-300">
    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path></svg>
    Button with Icon
  </button>

  <!-- Outline Button with Icon -->
  <button class="flex items-center px-6 py-3 font-semibold text-gray-800 bg-white border border-gray-300 rounded-md shadow-md hover:bg-gray-100 focus:outline-none focus:ring-2 focus:ring-gray-200 focus:ring-opacity-50
                     dark:bg-gray-900 dark:text-gray-200 dark:border-gray-700 dark:hover:bg-gray-800 dark:focus:ring-gray-700">
    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"></path></svg>
    Outline Button with Icon
  </button>
</div>