diff --git a/index.html b/index.html
index 6cc7fe9..5341a5e 100644
--- a/index.html
+++ b/index.html
@@ -87,7 +87,7 @@
         <div id="notesAttachmentPreviewContent" class="space-y-2"></div>
       </div>
     </div>
-    <div class="flex-1 overflow-y-auto">
+    <div class="flex-1 overflow-x-hidden overflow-y-auto">
       <div id="notesListStatus" class="text-sm text-gray-600"></div>
       <div id="notesEmpty" class="hidden text-sm text-gray-500">No notes yet. Click New Note to create one.</div>
       <div id="notesGrid" class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-2 w-full"></div>
@@ -238,7 +238,7 @@
         </div>
       </div>
     </div>
-    <div class="flex-1 overflow-y-auto">
+    <div class="flex-1 overflow-x-hidden overflow-y-auto">
       <div id="conversationsListStatus" class="text-sm text-gray-600"></div>
       <div id="conversationsEmpty" class="hidden text-sm text-gray-500">No conversations yet. Click New Conversation to start one.</div>
       <div id="conversationsGrid" class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-2 w-full"></div>