Formulario de inicio de sesión

                <div class="flex items-center justify-center h-screen bg-gray-200 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 shadow-lg rounded-lg p-8 w-96">
        <h1 class="text-2xl font-semibold mb-6 text-gray-800 dark:text-gray-100">Login</h1>
        <form>
            <div class="mb-4">
                <label for="email" class="block text-gray-700 dark:text-gray-200">Email</label>
                <input type="email" id="email" class="mt-1 block w-full p-3 rounded-lg bg-gray-100 dark:bg-gray-900 border border-gray-300 dark:border-gray-700 focus:outline-none focus:ring focus:ring-gray-400 dark:focus:ring-gray-600" placeholder="[email protected]" required />
            </div>
            <div class="mb-4">
                <label for="password" class="block text-gray-700 dark:text-gray-200">Password</label>
                <input type="password" id="password" class="mt-1 block w-full p-3 rounded-lg bg-gray-100 dark:bg-gray-900 border border-gray-300 dark:border-gray-700 focus:outline-none focus:ring focus:ring-gray-400 dark:focus:ring-gray-600" placeholder="••••••••" required />
            </div>
            <div class="mt-6">
                <button type="submit" class="w-full py-3 bg-blue-600 text-white font-semibold rounded-lg shadow-md hover:bg-blue-700 focus:outline-none focus:ring focus:ring-blue-300">Login</button>
            </div>
        </form>
    </div>
</div>

              

                <div class="min-h-screen bg-gray-100 dark:bg-gray-900 flex items-center justify-center">
    <div class="bg-white dark:bg-gray-800 backdrop-blur-md bg-opacity-30 shadow-lg rounded-lg p-8 max-w-sm w-full">
        <h2 class="text-2xl font-bold text-center text-gray-800 dark:text-gray-100 mb-6">Login</h2>
        <form>
            <div class="mb-4">
                <label class="block text-gray-700 dark:text-gray-300 mb-2" for="email">Email</label>
                <input class="border border-gray-300 dark:border-gray-600 rounded-lg p-2 w-full focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-300" type="email" id="email" placeholder="[email protected]" required>
            </div>
            <div class="mb-6">
                <label class="block text-gray-700 dark:text-gray-300 mb-2" for="password">Password</label>
                <input class="border border-gray-300 dark:border-gray-600 rounded-lg p-2 w-full focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-300" type="password" id="password" placeholder="********" required>
            </div>
            <button class="w-full bg-blue-500 hover:bg-blue-600 text-white font-semibold py-2 rounded-lg transition duration-300" type="submit">Login</button>
        </form>
        <p class="text-center text-gray-600 dark:text-gray-400 mt-4">Or log in with</p>
        <div class="flex justify-around mt-4">
            <a href="#"><img class="h-8 w-8 rounded-full" src="https://picsum.photos/200/200?random=1" alt="Google"></a>
            <a href="#"><img class="h-8 w-8 rounded-full" src="https://picsum.photos/200/200?random=2" alt="Facebook"></a>
            <a href="#"><img class="h-8 w-8 rounded-full" src="https://picsum.photos/200/200?random=3" alt="Twitter"></a>
        </div>
    </div>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 bg-opacity-40 backdrop-blur-lg rounded-lg shadow-lg p-8 max-w-md w-full">
        <h2 class="text-2xl font-bold text-center text-gray-800 dark:text-gray-200 mb-6">Login</h2>
        <form>
            <div class="mb-4">
                <label class="block text-gray-700 dark:text-gray-300 mb-2" for="username">Username</label>
                <input class="block w-full px-4 py-2 border rounded-md bg-transparent border-gray-300 dark:border-gray-600 text-gray-900 dark:text-gray-200 focus:outline-none focus:ring focus:ring-blue-500 dark:focus:ring-blue-400" type="text" id="username" placeholder="Enter your username" required>
            </div>
            <div class="mb-4">
                <label class="block text-gray-700 dark:text-gray-300 mb-2" for="password">Password</label>
                <input class="block w-full px-4 py-2 border rounded-md bg-transparent border-gray-300 dark:border-gray-600 text-gray-900 dark:text-gray-200 focus:outline-none focus:ring focus:ring-blue-500 dark:focus:ring-blue-400" type="password" id="password" placeholder="Enter your password" required>
            </div>
            <div class="flex items-center justify-between mb-4">
                <div class="flex items-center">
                    <input type="checkbox" class="form-checkbox h-4 w-4 text-blue-600 transition duration-150 ease-in-out">
                    <label class="ml-2 text-sm text-gray-600 dark:text-gray-300">Remember me</label>
                </div>
                <a href="#" class="text-sm text-blue-600 hover:underline dark:text-blue-400">Forgot password?</a>
            </div>
            <button type="submit" class="w-full bg-blue-600 hover:bg-blue-500 text-white font-bold py-2 px-4 rounded transition duration-150 ease-in-out">Login</button>
        </form>
        <p class="mt-6 text-center text-gray-600 dark:text-gray-400">Don't have an account? <a href="#" class="text-blue-600 hover:underline dark:text-blue-400">Sign up</a></p>
    </div>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gradient-to-r from-purple-500 to-pink-500 dark:from-purple-800 dark:to-pink-800">
    <div class="bg-white rounded-lg shadow-lg p-8 max-w-sm w-full dark:bg-gray-800">
        <h2 class="text-2xl font-bold text-center text-purple-700 dark:text-purple-300 mb-6">Login to Your Account</h2>
        <form>
            <div class="mb-4">
                <label class="block text-gray-700 dark:text-gray-200 mb-1" for="email">Email</label>
                <input type="email" id="email" placeholder="[email protected]" class="w-full p-2 border border-gray-300 rounded-lg dark:border-gray-600 dark:bg-gray-700 dark:text-gray-200" required />
            </div>
            <div class="mb-6">
                <label class="block text-gray-700 dark:text-gray-200 mb-1" for="password">Password</label>
                <input type="password" id="password" placeholder="********" class="w-full p-2 border border-gray-300 rounded-lg dark:border-gray-600 dark:bg-gray-700 dark:text-gray-200" required />
            </div>
            <button type="submit" class="w-full bg-purple-600 hover:bg-purple-700 text-white font-bold py-2 rounded-lg transition duration-300 dark:bg-purple-700 dark:hover:bg-purple-800">Login</button>
        </form>
        <p class="text-center text-gray-600 dark:text-gray-400 mt-4">
            <a href="#" class="hover:underline">Forgot Password?</a>
        </p>
        <div class="flex items-center justify-center mt-4">
            <img src="https://picsum.photos/40/40" alt="Placeholder Avatar" class="rounded-full mr-2" />
            <span class="text-gray-700 dark:text-gray-300">Login with Random User</span>
        </div>
    </div>
</div>
              

                <div class="min-h-screen flex items-center justify-center bg-gray-100 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-lg w-96 p-6">
        <h2 class="text-2xl font-semibold text-gray-800 dark:text-white text-center mb-6">Login</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-gray-200 leading-tight focus:outline-none focus:shadow-outline" id="username" type="text" placeholder="Enter your username">
            </div>
            <div class="mb-6">
                <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-gray-200 leading-tight focus:outline-none focus:shadow-outline" id="password" type="password" placeholder="Enter your password">
            </div>
            <div class="flex items-center justify-between">
                <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</button>
                <a class="inline-block align-baseline font-bold text-sm text-blue-500 hover:text-blue-800" href="#">Forgot Password?</a>
            </div>
        </form>
        <div class="mt-4 text-center">
            <p class="text-gray-600 dark:text-gray-300 text-sm">Or login with</p>
            <div class="flex justify-center mt-2">
                <img class="h-8 w-8 rounded-full border-2 border-gray-600 dark:border-gray-400" src="https://picsum.photos/seed/user1/40/40" alt="User Avatar">
                <img class="h-8 w-8 rounded-full border-2 border-gray-600 dark:border-gray-400 ml-2" src="https://picsum.photos/seed/user2/40/40" alt="User Avatar">
                <img class="h-8 w-8 rounded-full border-2 border-gray-600 dark:border-gray-400 ml-2" src="https://picsum.photos/seed/user3/40/40" alt="User Avatar">
            </div>
        </div>
    </div>
</div>