Fix desktop sidebar toggle visibility

components/sidebar.html

@@ -8,11 +8,11 @@
     <!-- Top Navigation Links -->
     <div class="flex-1 overflow-y-auto px-4">
       <div class="bg-gray-800 rounded-lg shadow-md mt-4 p-4">
-        <div class="hidden md:flex justify-end mb-2">
+        <div class="sidebar-desktop-toggle-row">
           <button
             id="sidebarCollapseToggle"
             type="button"
-            class="flex items-center space-x-2 text-sm font-semibold text-gray-100"
+            class="sidebar-collapse-toggle"
             aria-controls="sidebar"
             aria-expanded="true"
           >