diff --git a/web/templates/index.html b/web/templates/index.html
index 6269654..e433d3d 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -1309,9 +1309,10 @@ function applyConfigTypeToTabs() {
         }
     });
 
-    // Rebuild assigned categories index
+    // Rebuild assigned categories index using the full static list (_allCategories),
+    // not the filtered one — hidden categories still belong to their tab, not to Other.
     ASSIGNED_CATEGORIES = Object.values(TAB_CONFIG)
-        .flatMap(t => t.categories)
+        .flatMap(t => t._allCategories || t.categories)
         .map(c => ciStr(c));
 }
 
@@ -1323,8 +1324,7 @@ function updateTabVisibility() {
         if (!btn) continue;
         const hasComponents = getComponentsForTab(tabId).length > 0;
         const hasCartItems = cart.some(item => {
-            const cat = (item.category || '').toUpperCase();
-            return getTabForCategory(cat) === tabId;
+            return getTabForCategory(item.category) === tabId;
         });
         const visible = hasComponents || hasCartItems;
         btn.classList.toggle('hidden', !visible);