登录表单组件

<div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900 p-4">
    <div class="bg-brown-500 shadow-lg rounded-lg p-8 max-w-md w-full">
        <h2 class="text-3xl font-bold text-white text-center mb-6">Login</h2>
        <form>
            <div class="mb-4">
                <label class="block text-white 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-gray-300 bg-white dark:bg-gray-800 focus:outline-none focus:ring focus:ring-brown-300" id="username" type="text" placeholder="Enter your username" required />
            </div>
            <div class="mb-6">
                <label class="block text-white 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-gray-300 bg-white dark:bg-gray-800 focus:outline-none focus:ring focus:ring-brown-300" id="password" type="password" placeholder="Enter your password" required />
            </div>
            <div class="flex items-center justify-between">
                <button class="bg-brown-600 hover:bg-brown-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline" type="submit">Login</button>
            </div>
        </form>
    </div>
</div>