로그인/가입 구성 요소

<div class="min-h-screen flex items-center justify-center bg-gray-100 dark:bg-gray-900 p-4">
  <div class="bg-white dark:bg-gray-800 shadow-md rounded-lg p-8 max-w-sm w-full">
    <h2 class="text-2xl font-bold text-gray-800 dark:text-white mb-6">Login / Signup</h2>
    <form>
      <div class="mb-4">
        <label class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2" for="username">Username</label>
        <input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 dark:text-white dark:bg-gray-700 focus:outline-none focus:shadow-outline"
          id="username" type="text" placeholder="Enter your username" required>
      </div>
      <div class="mb-4">
        <label class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2" for="email">Email</label>
        <input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 dark:text-white dark:bg-gray-700 focus:outline-none focus:shadow-outline"
          id="email" type="email" placeholder="Enter your email" required>
      </div>
      <div class="mb-4">
        <label class="block text-gray-700 dark:text-gray-300 text-sm font-bold mb-2" for="password">Password</label>
        <input class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 dark:text-white dark:bg-gray-700 focus:outline-none focus:shadow-outline"
          id="password" type="password" placeholder="Enter your password" required>
      </div>
      <div class="flex items-center justify-between mb-4">
        <label class="flex items-center">
          <input type="checkbox" class="form-checkbox h-5 w-5 text-gray-600 dark:text-gray-400">
          <span class="ml-2 text-gray-700 dark:text-gray-300">Remember Me</span>
        </label>
        <a class="inline-block align-baseline font-bold text-sm text-blue-500 hover:text-blue-800 dark:text-blue-300" href="#">
          Forgot Password?
        </a>
      </div>
      <div class="flex items-center justify-center">
        <button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline" type="submit">
          Login / Signup
        </button>
      </div>
    </form>
    <div class="mt-4 text-center">
      <p class="text-gray-600 dark:text-gray-400">or</p>
      <button class="flex items-center justify-center mt-2 border border-gray-300 dark:border-gray-600 rounded-lg py-2 px-4 w-full text-gray-600 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 transition ease-in-out duration-150">
        <img src="https://randomuser.me/api/portraits/men/10.jpg" alt="User Avatar" class="w-6 h-6 rounded-full mr-2">
        Sign in with Google
      </button>
    </div>
  </div>
</div>