材料设计社交登录组件

<div class="min-h-screen bg-gray-100 dark:bg-gray-900 flex items-center justify-center">
  <div class="bg-white dark:bg-gray-800 p-8 rounded-lg shadow-md w-96">
    <h2 class="text-2xl font-semibold text-center text-gray-800 dark:text-white mb-6">Login</h2>
    <div class="flex flex-col space-y-4">
      <button class="flex items-center justify-center px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-200 bg-white dark:bg-gray-700 hover:bg-gray-50 dark:hover:bg-gray-600">
        <img class="h-5 w-5 mr-2" src="https://fonts.gstatic.com/s/i/productlogos/google/v6/24px.svg" alt="Google logo">
        Sign in with Google
      </button>
      <button class="flex items-center justify-center px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-200 bg-white dark:bg-gray-700 hover:bg-gray-50 dark:hover:bg-gray-600">
        <svg class="h-5 w-5 mr-2" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
          <path d="M12 0C5.373 0 0 5.373 0 12c0 5.083 3.791 9.362 8.75 10l-.002-.002v-.001l.002.001V17h-3v-5h3V9c0-3.306 1.976-5.164 4.936-5.164C15.232 3.836 16.5 4 16.5 4v3h-2.473c-1.742 0-2.527.873-2.527 2.075V12h4.999l-.649 5h-4.35v5.999c5-.638 8.75-4.918 8.75-10C24 5.373 18.627 0 12 0z" />
        </svg>
        Sign in with Facebook
      </button>
    </div>
    <div class="mt-6 text-center text-gray-600 dark:text-gray-400 text-sm">
      Don't have an account? <a href="#" class="text-blue-500 hover:underline">Sign up</a>
    </div>
  </div>
</div>