登录表单组件 - 深色模式充满活力

<div class="min-h-screen flex items-center justify-center p-4 bg-gray-950 dark:bg-gray-950">
  <div class="w-full max-w-md mx-auto rounded-3xl shadow-2xl p-8 transform transition-all duration-300 ease-in-out bg-gradient-to-br from-indigo-900 to-purple-900 dark:from-indigo-950 dark:to-purple-950 border border-purple-700 dark:border-purple-800">
    <div class="text-center mb-8">
      <svg class="mx-auto h-12 w-auto text-purple-300" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden="true">
        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
      </svg>
      <h2 class="mt-4 text-3xl font-extrabold text-white tracking-tight leading-tight">Sign In to Your Account</h2>
      <p class="mt-2 text-sm text-purple-200">Or <a href="#" class="font-medium text-purple-100 hover:text-purple-50 transition-colors duration-200">create a new account</a></p>
    </div>

    <form class="space-y-6">
      <div>
        <label for="email" class="block text-sm font-medium text-purple-200 mb-1">Email Address</label>
        <div class="relative">
          <input id="email" name="email" type="email" autocomplete="email" required
            class="appearance-none block w-full px-4 py-2 pr-10 border border-purple-600 dark:border-purple-700 rounded-lg shadow-sm placeholder-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-400 focus:border-purple-400 sm:text-base bg-purple-800 bg-opacity-30 text-white transition-all duration-200 ease-in-out"
            placeholder="[email protected]">
          <span class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
            <svg class="h-5 w-5 text-purple-400" 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="M16 12a4 4 0 10-8 0 4 4 0 008 0zm0 0v1.5a2.5 2.5 0 005 0V12a9 9 0 10-9 9m4.5-1.206a8.959 8.959 0 01-4.5 1.207"></path></svg>
          </span>
        </div>
      </div>

      <div>
        <label for="password" class="block text-sm font-medium text-purple-200 mb-1">Password</label>
        <div class="relative">
          <input id="password" name="password" type="password" autocomplete="current-password" required
            class="appearance-none block w-full px-4 py-2 pr-10 border border-purple-600 dark:border-purple-700 rounded-lg shadow-sm placeholder-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-400 focus:border-purple-400 sm:text-base bg-purple-800 bg-opacity-30 text-white transition-all duration-200 ease-in-out"
            placeholder="********">
          <span class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
            <svg class="h-5 w-5 text-purple-400" 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="M15 7a2 2 0 012 2v5a2 2 0 01-2 2H9a2 2 0 01-2-2V9a2 2 0 012-2h6zM15 7V4a2 2 0 00-2-2H9a2 2 0 00-2 2v3m0 0H5h14m-9 4h3"></path></svg>
          </span>
        </div>
      </div>

      <div class="flex items-center justify-between">
        <div class="flex items-center">
          <input id="remember-me" name="remember-me" type="checkbox"
            class="h-5 w-5 text-purple-400 focus:ring-purple-300 border-purple-500 rounded bg-purple-700 dark:bg-purple-800 transition-colors duration-200 ease-in-out">
          <label for="remember-me" class="ml-2 block text-sm text-purple-200">Remember me</label>
        </div>

        <div class="text-sm">
          <a href="#" class="font-medium text-purple-100 hover:text-purple-50 transition-colors duration-200">Forgot your password?</a>
        </div>
      </div>

      <div>
        <button type="submit" class="w-full flex justify-center py-3 px-4 border border-transparent rounded-lg shadow-lg text-lg font-semibold text-white bg-gradient-to-r from-purple-500 to-indigo-600 hover:from-purple-600 hover:to-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-offset-purple-900 focus:ring-purple-400 transition-all duration-300 ease-in-out transform hover:-translate-y-0.5">
          Sign In
        </button>
      </div>
    </form>

    <div class="mt-8 text-center">
      <div class="relative">
        <div class="absolute inset-0 flex items-center" aria-hidden="true">
          <div class="w-full border-t border-purple-700"></div>
        </div>
        <div class="relative flex justify-center text-sm">
          <span class="px-3 bg-gradient-to-br from-indigo-900 to-purple-900 dark:from-indigo-950 dark:to-purple-950 text-purple-200">Or continue with</span>
        </div>
      </div>

      <div class="mt-6 grid grid-cols-2 gap-3">
        <div>
          <a href="#"
            class="w-full inline-flex justify-center py-3 px-4 border border-purple-700 rounded-lg shadow-sm bg-purple-800 bg-opacity-40 text-sm font-medium text-white hover:bg-purple-700 dark:hover:bg-purple-800 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-offset-purple-900 focus:ring-purple-400 transition-all duration-200 ease-in-out">
            <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 12s5.373 12 12 12 12-5.373 12-12S18.627 0 12 0zm2.25 18.25h-2.5V11.5H9.75V9.25h-1.5V11.5h-.75V9.25H5.25V7h2V4.75h1.5V7h1.5V4.75h-.75c-.828 0-1.5.672-1.5 1.5v1.5h.75c.828 0 1.5-.672 1.5-1.5V5.5h-.75c-.828 0-1.5.672-1.5 1.5V9.25H8.25V7h-1.5V4.75h1.5V7h1.5V4.75h.75c.828 0 1.5-.672 1.5-1.5V9.25h-1.5v2.25h-1.5v6.75zm1.5-1.5H16V9.25h-1.5v8.25z" />
            </svg>
            Google
          </a>
        </div>

        <div>
          <a href="#"
            class="w-full inline-flex justify-center py-3 px-4 border border-purple-700 rounded-lg shadow-sm bg-purple-800 bg-opacity-40 text-sm font-medium text-white hover:bg-purple-700 dark:hover:bg-purple-800 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-offset-purple-900 focus:ring-purple-400 transition-all duration-200 ease-in-out">
            <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 12s5.373 12 12 12 12-5.373 12-12S18.627 0 12 0zm2.25 18.25h-2.5V11.5H9.75V9.25h1.5V11.5h.75V9.25H5.25V7h2.25V4.75H8V7h1.5V4.75h.75c.828 0 1.5-.672 1.5-1.5V9.25h-1.5V11.5h-1.5v6.75zm1.5-1.5H16V9.25h-1.5v8.25zM12 10.5h-1.5V7H12v3.5zm-1.5-4h1.5V4.75H10.5V6.5z" />
            </svg>
            GitHub
          </a>
        </div>
      </div>
    </div>
  </div>
</div>