验证码

                <div class="flex items-center justify-center h-screen bg-gray-100 dark:bg-gray-900">
  <div class="bg-white dark:bg-gray-800 p-6 rounded-lg shadow-lg">
    <h2 class="text-2xl font-bold text-gray-800 dark:text-white mb-4">CAPTCHA Challenge</h2>
    <p class="text-gray-600 dark:text-gray-300 mb-4">Please verify you are not a robot.</p>
    <div class="flex items-center justify-center space-x-4 mb-4">
      <img src="https://picsum.photos/150" alt="CAPTCHA image" class="rounded">
      <button class="px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-opacity-50 transition duration-200 ease-in-out">
        Reload
      </button>
    </div>
    <input type="text" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent dark:bg-gray-700 dark:border-gray-600 dark:text-white" placeholder="Enter the characters...">
    <button class="mt-4 w-full px-4 py-2 bg-green-500 text-white rounded hover:bg-green-600 focus:outline-none focus:ring-2 focus:ring-green-500 focus:ring-opacity-50 transition duration-200 ease-in-out">
      Submit
    </button>
  </div>
</div>
              

                <div class="flex flex-col items-center justify-center p-6 bg-white rounded-lg shadow-md max-w-sm mx-auto dark:bg-gray-800 dark:shadow-lg">
    <h2 class="text-lg font-semibold text-gray-800 dark:text-gray-200">Please prove you're human</h2>
    <div class="mt-4 mb-6">
        <img src="https://picsum.photos/200/100" alt="CAPTCHA Image" class="w-full h-auto rounded-lg shadow-sm" />
    </div>
    <div class="flex items-center justify-between w-full">
        <input type="text" placeholder="Enter the text" class="border border-gray-300 rounded-lg p-2 w-3/4 dark:bg-gray-700 dark:border-gray-600 dark:text-gray-200" />
        <button class="ml-2 px-4 py-2 bg-blue-500 text-white rounded-lg shadow hover:bg-blue-600 transition duration-200">Submit</button>
    </div>
    <div class="mt-4 text-sm text-gray-600 dark:text-gray-400">
        <p>If you can't read the text, refresh to get a new image.</p>
    </div>
</div>
              

                <div class="flex items-center justify-center h-screen bg-gray-900">
  <div class="bg-gray-800 p-6 rounded-md shadow-md">
    <h2 class="text-xl font-semibold mb-4 text-white">CAPTCHA Verification</h2>
    <div class="mb-4">
      <img src="https://picsum.photos/200/60?random=1" alt="CAPTCHA Image" class="rounded-md">
    </div>
    <input type="text" class="w-full px-3 py-2 border border-gray-700 rounded-md bg-gray-900 text-white placeholder-gray-500 focus:outline-none focus:ring-blue-500 focus:border-blue-500" placeholder="Enter CAPTCHA">
    <button class="mt-4 w-full bg-blue-600 text-white py-2 px-4 rounded-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-opacity-50">Verify</button>
  </div>
</div>
              

                <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>
              

                <div class="flex flex-col items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-800 p-5">
    <div class="bg-white dark:bg-gray-900 shadow-md rounded-lg p-6 max-w-lg w-full">
        <h2 class="text-xl font-semibold text-gray-800 dark:text-gray-200 mb-4">Verify You're Human</h2>
        <div class="flex flex-col items-center mb-4">
            <img src="https://picsum.photos/200/100" alt="Random" class="rounded-lg shadow-md mb-3">
            <span class="text-gray-700 dark:text-gray-300">Please select the images with traffic lights.</span>
        </div>
        <div class="grid grid-cols-2 gap-2">
            <img src="https://picsum.photos/200/100?random=1" alt="Option 1" class="cursor-pointer border-2 border-transparent hover:border-blue-500 rounded-lg transition duration-200 ease-in-out">
            <img src="https://picsum.photos/200/100?random=2" alt="Option 2" class="cursor-pointer border-2 border-transparent hover:border-blue-500 rounded-lg transition duration-200 ease-in-out">
            <img src="https://picsum.photos/200/100?random=3" alt="Option 3" class="cursor-pointer border-2 border-transparent hover:border-blue-500 rounded-lg transition duration-200 ease-in-out">
            <img src="https://picsum.photos/200/100?random=4" alt="Option 4" class="cursor-pointer border-2 border-transparent hover:border-blue-500 rounded-lg transition duration-200 ease-in-out">
        </div>
        <button class="mt-4 w-full bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-opacity-50 transition duration-200 ease-in-out">Verify</button>
    </div>
</div>
              

                <div class="flex flex-col items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900 p-5">
    <div class="max-w-md w-full bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 border border-black">
        <h2 class="text-xl font-bold text-black dark:text-white mb-4">Verify You Are Human</h2>
        <div class="flex items-center justify-between mb-4">
            <img src="https://picsum.photos/100/100" alt="Placeholder Image" class="rounded-full border border-black dark:border-white">
            <span class="text-lg font-bold text-black dark:text-white">Are you a robot?</span>
        </div>
        <div class="flex flex-col items-center mb-4">
            <img src="https://picsum.photos/200/100" alt="Random Placeholder" class="w-full rounded-lg border border-black dark:border-white">
            <p class="mt-2 text-sm text-gray-600 dark:text-gray-400">Select the images that contains a cat.</p>
        </div>
        <div class="flex space-x-4">
            <button class="flex-1 bg-black text-white font-bold py-2 rounded-lg shadow-md hover:bg-gray-800 dark:bg-white dark:text-black dark:hover:bg-gray-300 transition">Verify</button>
            <button class="flex-1 bg-red-600 text-white font-bold py-2 rounded-lg shadow-md hover:bg-red-500 dark:bg-red-700 dark:hover:bg-red-600 transition">Cancel</button>
        </div>
    </div>
</div>