导航组件

<nav class="bg-gray-100 dark:bg-gray-800 shadow-lg p-4 rounded-lg">
    <div class="container mx-auto flex justify-between items-center">
        <div class="flex items-center space-x-4">
            <img src="https://picsum.photos/40" alt="Logo" class="rounded-full">
            <h1 class="text-xl font-semibold text-gray-800 dark:text-gray-200">Social Media</h1>
        </div>
        <ul class="flex space-x-6">
            <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition">Home</a></li>
            <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition">Profile</a></li>
            <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition">Messages</a></li>
            <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition">Settings</a></li>
        </ul>
        <div class="relative">
            <img src="https://randomuser.me/api/portraits/thumb/men/1.jpg" alt="User Avatar" class="rounded-full w-8 h-8">
            <div class="absolute right-0 w-2 h-2 bg-green-500 rounded-full ring-2 ring-white dark:ring-gray-800"></div>
        </div>
    </div>
</nav>

<div class="container mx-auto mt-6">
    <h2 class="text-2xl font-bold text-gray-800 dark:text-gray-200">Feed</h2>
    <div class="mt-4 grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
        <div class="bg-white dark:bg-gray-900 p-4 rounded-lg shadow-md">
            <img src="https://picsum.photos/300/200" alt="Post Image" class="w-full h-40 object-cover rounded-lg">
            <h3 class="font-semibold text-gray-800 dark:text-gray-200 mt-2">Post Title</h3>
            <p class="text-gray-600 dark:text-gray-400">This is a short description of the post content.</p>
        </div>
        <div class="bg-white dark:bg-gray-900 p-4 rounded-lg shadow-md">
            <img src="https://picsum.photos/300/201" alt="Post Image" class="w-full h-40 object-cover rounded-lg">
            <h3 class="font-semibold text-gray-800 dark:text-gray-200 mt-2">Post Title</h3>
            <p class="text-gray-600 dark:text-gray-400">This is a short description of the post content.</p>
        </div>
        <div class="bg-white dark:bg-gray-900 p-4 rounded-lg shadow-md">
            <img src="https://picsum.photos/300/202" alt="Post Image" class="w-full h-40 object-cover rounded-lg">
            <h3 class="font-semibold text-gray-800 dark:text-gray-200 mt-2">Post Title</h3>
            <p class="text-gray-600 dark:text-gray-400">This is a short description of the post content.</p>
        </div>
    </div>
</div>