diff --git a/packages/ui/src/components/Sidebar.tsx b/packages/ui/src/components/Sidebar.tsx
index b4708e5..a817513 100644
--- a/packages/ui/src/components/Sidebar.tsx
+++ b/packages/ui/src/components/Sidebar.tsx
@@ -152,8 +152,8 @@ export function Sidebar({
         <div className="text-xs text-gray-500">{session.messageCount} messages</div>
       </div>
       <motion.button
-        initial={{ opacity: 0 }}
         whileHover={{ scale: 1.1 }}
+        whileTap={{ scale: 0.9 }}
         onClick={(e) => handleDelete(session.id, e)}
         className="opacity-0 group-hover:opacity-100 p-1 hover:bg-gray-600 rounded transition-opacity"
         aria-label="Delete session"