会话超时警报组件

<div class="fixed inset-0 z-50 flex items-center justify-center p-4 bg-gray-900 bg-opacity-50 dark:bg-gray-950 dark:bg-opacity-70">
  <div class="w-full max-w-sm p-6 space-y-4 bg-white rounded-lg shadow-xl md:max-w-md dark:bg-gray-800">
    <div class="flex items-center justify-center text-red-500 dark:text-red-400">
      <svg class="w-10 h-10" 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 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"></path>
      </svg>
    </div>
    <h3 class="text-xl font-semibold text-center text-gray-900 dark:text-gray-100">Session Expiring Soon!</h3>
    <p class="text-sm text-center text-gray-600 dark:text-gray-300">
      Your session is about to expire due to inactivity. Do you want to remain logged in?
    </p>
    <div class="flex flex-col space-y-2 sm:flex-row sm:space-x-2 sm:space-y-0">
      <button type="button" class="w-full px-4 py-2 text-sm font-medium text-white transition-colors duration-200 bg-indigo-600 rounded-md hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2 dark:bg-indigo-500 dark:hover:bg-indigo-600 dark:focus:ring-offset-gray-800">
        Stay Logged In
      </button>
      <button type="button" class="w-full px-4 py-2 text-sm font-medium text-gray-700 transition-colors duration-200 bg-gray-200 rounded-md hover:bg-gray-300 focus:outline-none focus:ring-2 focus:ring-gray-400 focus:ring-offset-2 dark:bg-gray-700 dark:text-gray-200 dark:hover:bg-gray-600 dark:focus:ring-offset-gray-800">
        Log Out
      </button>
    </div>
    <p class="text-xs text-center text-gray-500 dark:text-gray-400">
      You will be automatically logged out in 2:00
    </p>
  </div>
</div>