style: update padding and margin for ThinkingMessagePart component

components/chat-sidebar.tsx

@@ -243,7 +243,7 @@ export function ChatSidebar() {
                     </div>
                 </div>
                 
-                <SidebarGroup className="flex-shrink-0 ">
+                <SidebarGroup className="flex-shrink-0 invisible">
                     <SidebarGroupLabel className={cn(
                         "px-4 pt-0 text-xs font-medium text-muted-foreground/80 uppercase tracking-wider",
                         isCollapsed ? "sr-only" : ""

components/message.tsx

@@ -105,7 +105,7 @@ export function ThinkingMessagePart({
         <div
           className={cn(
             "text-sm text-muted-foreground flex flex-col gap-2",
-            "pl-3.5 ml-0.5 mt-1",
+            "pl-2.5 ml-0.5 mt-2",
             "border-l border-primary/30"
           )}
         >