templates/nav.html

<nav class="bg-gray-800 bg-opacity-90 p-4 sticky top-0 z-50 shadow-lg">
    <div class="container flex justify-between items-center">
        <a href="/" class="text-2xl font-bold text-blue-400 flex items-center gap-2 no-underline">
            <img src="https://cdn-icons-png.flaticon.com/512/9373/9373979.png" alt="IA Hospital Hub" class="w-8 h-8 md:w-10 md:h-10 object-contain">
            <span class="whitespace-nowrap text-lg md:text-2xl">IA Hospital Hub</span>
        </a>
        <button onclick="toggleLanguage()" class="bg-blue-500 px-3 py-1 rounded-full text-sm hover:bg-blue-600">
            <span lang="es">EN</span>
            <span lang="en">ES</span>
        </button>
    </div>
</nav>