粗砾主义电子商务导航组件

<nav class="bg-yellow-400 text-black border-b-8 border-black dark:bg-black dark:text-yellow-400 dark:border-yellow-400">
  <div class="container mx-auto px-4 relative">

    <!-- Checkbox for Mobile Menu State - Controls the mobile menu visibility -->
    <input type="checkbox" id="mobile-menu-toggle" class="hidden peer">

    <!-- Main Row: Logo, Desktop Nav, Mobile Toggle Label -->
    <!-- This div is a sibling of the checkbox -->
    <div class="flex justify-between items-center py-6">

      <!-- Logo -->
      <div class="text-3xl font-black uppercase tracking-widest border-4 border-black p-2 dark:border-yellow-400">
        <a href="#" class="hover:text-fuchsia-500 transition duration-300">BRUTAL SHOP</a>
      </div>

      <!-- Desktop Navigation & Icons (Hidden on Mobile) -->
      <div class="hidden md:flex items-center space-x-8">
        <ul class="flex items-center space-x-8 uppercase font-bold">
          <!-- Categories with CSS-only Mega-Menu -->
          <li class="relative group">
            <a href="#" class="hover:text-fuchsia-500 focus:outline-none focus:text-fuchsia-500">Categories</a>
            <!-- Mega-Menu Content (CSS-only via group-hover) -->
            <div class="absolute left-0 top-full mt-2 w-64 bg-cyan-500 text-black p-6 border-4 border-black opacity-0 invisible group-hover:opacity-100 group-hover:visible transition-all duration-300 z-10 dark:bg-black dark:text-cyan-500 dark:border-cyan-500">
              <h4 class="font-black mb-3 border-b-4 border-black dark:border-cyan-500">Shop By Category</h4>
              <ul class="space-y-2 text-sm">
                <li><a href="#" class="hover:underline">Electronics</a></li>
                <li><a href="#" class="hover:underline">Apparel</a></li>
                <li><a href="#" class="hover:underline">Home Goods</a></li>
                <li><a href="#" class="hover:underline">Books</a></li>
              </ul>
            </div>
          </li>
          <li><a href="#" class="hover:text-fuchsia-500">New Arrivals</a></li>
          <li><a href="#" class="hover:text-fuchsia-500">Deals</a></li>
        </ul>

        <!-- User Icons, Search, Cart -->
        <div class="flex items-center space-x-6 text-2xl">
           <!-- Search Toggle/Input (CSS-only reveal on hover/focus) -->
           <div class="relative group">
               <svg class="w-6 h-6 cursor-pointer hover:text-fuchsia-500" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path></svg>
               <!-- Simple search input reveal on hover/focus -->
               <input type="text" placeholder="Search..." class="absolute right-0 top-full mt-2 px-3 py-2 w-48 border-4 border-black bg-white text-black opacity-0 invisible group-hover:opacity-100 group-hover:visible focus:opacity-100 focus:visible transition-all duration-300 z-10 dark:bg-black dark:text-yellow-400 dark:border-yellow-400">
           </div>

           <!-- User Icon -->
           <a href="#" class="hover:text-fuchsia-500">
               <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path></svg>
           </a>
           <!-- Wishlist Icon -->
           <a href="#" class="hover:text-fuchsia-500">
              <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"></path></svg>
           </a>
          <!-- Cart Icon with Count -->
          <a href="#" class="relative hover:text-fuchsia-500">
            <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z"></path></svg>
            <span class="absolute -top-2 -right-2 bg-fuchsia-500 text-black text-xs font-bold px-1 rounded-full border-2 border-black dark:border-yellow-400">3</span>
          </a>
        </div>
      </div>

      <!-- Mobile Menu Toggle Label (Visible on Mobile) -->
      <!-- This label controls the hidden checkbox peer -->
      <label for="mobile-menu-toggle" class="md:hidden block cursor-pointer p-2 relative z-20">
           <!-- Hamburger Icon - Spans styled based on the peer-checked state of the checkbox -->
           <div class="space-y-2 peer-checked:space-y-0 peer-checked:rotate-45 transition-transform duration-300">
             <span class="block w-8 h-1 bg-black border-2 border-black dark:bg-yellow-400 dark:border-yellow-400 peer-checked:rotate-90 peer-checked:translate-y-1.5 transition-transform duration-300"></span>
             <span class="block w-8 h-1 bg-black border-2 border-black dark:bg-yellow-400 dark:border-yellow-400 peer-checked:opacity-0 transition-opacity duration-300"></span>
             <span class="block w-8 h-1 bg-black border-2 border-black dark:bg-yellow-400 dark:border-yellow-400 peer-checked:-rotate-90 peer-checked:-translate-y-1.5 transition-transform duration-300"></span>
           </div>
      </label>
    </div>

    <!-- Mobile Menu Content -->
    <!-- This div is a sibling of the checkbox and the main row div -->
    <!-- Its visibility is controlled by the peer-checked state of the checkbox -->
    <div id="mobile-menu" class="md:hidden absolute top-[theme(spacing.20)] left-0 w-full bg-cyan-500 text-black border-t-8 border-black opacity-0 invisible transition-all duration-300 z-10 peer-checked:opacity-100 peer-checked:visible dark:bg-black dark:text-cyan-500 dark:border-cyan-500">
      <div class="px-4 py-6 space-y-6">
         <!-- Search Input - Mobile -->
         <div>
            <input type="text" placeholder="Search..." class="px-3 py-2 w-full border-4 border-black bg-white text-black dark:bg-black dark:text-cyan-500 dark:border-cyan-500">
         </div>
         <!-- Mobile Links -->
         <ul class="space-y-4 uppercase font-bold text-xl">
             <li><a href="#" class="block hover:text-fuchsia-500">Categories</a></li>
             <li><a href="#" class="block hover:text-fuchsia-500">New Arrivals</a></li>
             <li><a href="#" class="block hover:text-fuchsia-500">Deals</a></li>
             <li><a href="#" class="block hover:text-fuchsia-500">Account</a></li>
             <li><a href="#" class="block hover:text-fuchsia-500">Wishlist</a></li>
             <li><a href="#" class="flex items-center hover:text-fuchsia-500">
                 Cart <span class="ml-2 bg-fuchsia-500 text-black text-xs font-bold px-1 rounded-full border-2 border-black dark:border-cyan-500">3</span>
             </a></li>
         </ul>
      </div>
    </div>

  </div>
</nav>