ダークモードCAPTCHAコンポーネント

<div class="bg-gray-800 text-white p-6 rounded-lg shadow-lg max-w-md mx-auto">
    <h2 class="text-lg font-semibold mb-4">Verify You're Human</h2>
    <div class="flex items-center mb-4">
        <img src="https://picsum.photos/50/50" alt="Random Image" class="w-12 h-12 rounded-full mr-3" />
        <span class="flex-1 text-sm">Please identify the image below:</span>
    </div>
    <div class="mb-4">
        <img src="https://picsum.photos/250/150" alt="CAPTCHA Image" class="w-full h-auto rounded-md" />
    </div>
    <div class="flex space-x-4">
        <button class="bg-blue-600 hover:bg-blue-500 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline">Verify</button>
        <button class="bg-gray-500 hover:bg-gray-400 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline">Refresh</button>
    </div>
</div>