diff --git a/public/admin.html b/public/admin.html
index 05c57f9..a3e9678 100644
--- a/public/admin.html
+++ b/public/admin.html
@@ -1164,9 +1164,6 @@
         }
     </style>
 </head>
-<body>
-    </style>
-</head>
 <body>
     <!-- ============ SIDEBAR ============ -->
     <aside class="sidebar" id="sidebar">
@@ -1438,25 +1435,6 @@
     <script src="https://cdn.jsdelivr.net/npm/moment@2.30.1/moment.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/lightpick@1.6.2/lightpick.min.js"></script>
 
-    <script>
-    // ============ SIDEBAR NAVIGATION ============
-    $(document).ready(function() {
-        // Navigation
-        $('.sidebar-link, .quick-action').on('click', function(e) {
-            e.preventDefault();
-            const section = $(this).data('section');
-            
-            // Update sidebar active
-            $('.sidebar-link').removeClass('active');
-            $(`.sidebar-link[data-section="${section}"]`).addClass('active');
-            
-            // Show section
-
-    <script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/datatables.net@1.13.8/js/jquery.dataTables.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/datatables.net-bs5@1.13.8/js/dataTables.bootstrap5.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
     <script>
     // Dynamic section loader
     const sections = {
@@ -1513,8 +1491,21 @@
     }
 
     $(document).ready(function() {
-        // Load dashboard on start
-        loadSection('dashboard');
+        // Handle browser back/forward navigation
+        function handleHashChange() {
+            const hash = window.location.hash.slice(1) || 'dashboard';
+            if (sections[hash]) {
+                $('.sidebar-link').removeClass('active');
+                $(`.sidebar-link[data-section="${hash}"]`).addClass('active');
+                loadSection(hash);
+            }
+        }
+
+        // Initial load based on URL hash
+        handleHashChange();
+
+        // Listen for hash changes (browser back/forward)
+        $(window).on('hashchange', handleHashChange);
 
         // Sidebar navigation
         $('.sidebar-link').on('click', function(e) {
@@ -1522,10 +1513,8 @@
             const section = $(this).data('section');
             if (!section) return;
             
-            $('.sidebar-link').removeClass('active');
-            $(this).addClass('active');
-            loadSection(section);
-            window.scrollTo(0, 0);
+            // Update URL hash
+            window.location.hash = section;
         });
 
         // Quick actions
