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                <nav class="dark:bg-gray-800 dark:text-gray-200 bg-gray-200 text-gray-800 p-4 sticky top-0 z-50 shadow-neumorphic-light dark:shadow-neumorphic-dark">
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    <div class="text-2xl font-semibold">Dashboard</div>
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      <li><a href="#" class="hover:text-purple-600 dark:hover:text-purple-300 transition duration-300">Overview</a></li>
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      <li><a href="#" class="hover:text-purple-600 dark:hover:text-purple-300 transition duration-300">Reports</a></li>
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        <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"
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  <style>
    .shadow-neumorphic-light {
      box-shadow: 6px 6px 12px #b0b0b0, -6px -6px 12px #ffffff;
    }
    .dark .shadow-neumorphic-dark {
      box-shadow: 6px 6px 12px #4a4a4a, -6px -6px 12px #323232;
    }
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                <nav class="sticky top-0 z-50 bg-white dark:bg-gray-900 shadow-md">
  <div class="container mx-auto px-4 py-3 flex items-center justify-between">
    <!-- Logo -->
    <a href="#" class="text-2xl font-bold text-indigo-600 dark:text-indigo-400">YourStore</a>

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      <input type="text" placeholder="Search products..." class="w-full py-2 pl-10 pr-4 rounded-full bg-gray-100 dark:bg-gray-800 text-gray-800 dark:text-white focus:outline-none focus:ring-2 focus:ring-indigo-500">
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        <span class="absolute top-0 right-0 inline-flex items-center justify-center px-2 py-1 text-xs font-bold leading-none text-red-100 transform translate-x-1/2 -translate-y-1/2 bg-red-600 rounded-full">3</span>
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                <nav class="sticky top-0 z-50 bg-gray-200 dark:bg-gray-800 border-b border-gray-300 dark:border-gray-700 shadow-[0_1px_0px_rgba(255,255,255,0.3)_inset,_0_1px_2px_rgba(0,0,0,0.2)] dark:shadow-[0_1px_0px_rgba(255,255,255,0.04)_inset,_0_1px_2px_rgba(0,0,0,0.5)]">
  <div class="max-w-screen-xl mx-auto px-4 sm:px-6 lg:px-8">
    <div class="flex items-center justify-between h-16">
      <!-- Logo -->
      <div class="flex-shrink-0">
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        <a href="#" class="px-3 py-2 rounded-md text-sm font-medium text-gray-700 dark:text-gray-200 hover:bg-gray-300 hover:bg-opacity-70 dark:hover:bg-gray-700 dark:hover:bg-opacity-70 hover:text-gray-900 dark:hover:text-white transition-all duration-150 ease-in-out">
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        <a href="#" class="px-3 py-2 rounded-md text-sm font-medium text-gray-700 dark:text-gray-200 hover:bg-gray-300 hover:bg-opacity-70 dark:hover:bg-gray-700 dark:hover:bg-opacity-70 hover:text-gray-900 dark:hover:text-white transition-all duration-150 ease-in-out">
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      <!-- Mobile menu button (decorative as no JS for toggle) -->
      <div class="sm:hidden flex items-center">
        <button type="button" class="p-2 rounded-md text-gray-600 dark:text-gray-400 hover:bg-gray-300 dark:hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-inset focus:ring-gray-500 dark:focus:ring-gray-600" aria-label="Main menu" aria-expanded="false">
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                <header class="text-gray-600 dark:text-gray-400 body-font sticky top-0 z-50 bg-white dark:bg-gray-900 border-b-4 border-black dark:border-white">
  <div class="container mx-auto flex flex-wrap p-5 flex-col md:flex-row items-center">
    <a class="flex title-font font-medium items-center text-gray-900 dark:text-white mb-4 md:mb-0">
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    </a>
    <nav class="md:ml-auto flex flex-wrap items-center text-base justify-center font-bold">
      <a href="#" class="mr-5 hover:text-gray-900 dark:hover:text-white border-b-4 border-transparent hover:border-black dark:hover:border-white transition duration-300 ease-in-out">Home</a>
      <a href="#" class="mr-5 hover:text-gray-900 dark:hover:text-white border-b-4 border-transparent hover:border-black dark:hover:border-white transition duration-300 ease-in-out">About</a>
      <a href="#" class="mr-5 hover:text-gray-900 dark:hover:text-white border-b-4 border-transparent hover:border-black dark:hover:border-white transition duration-300 ease-in-out">Portfolio</a>
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    <button class="inline-flex items-center bg-gray-100 dark:bg-gray-800 border-4 border-black dark:border-white py-1 px-3 focus:outline-none hover:bg-gray-200 dark:hover:bg-gray-700 text-base mt-4 md:mt-0 font-bold">
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        <path d="M5 12h14M12 5l7 7-7 7"></path>
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</header>