added button themes and fixed alignment

frontend/components/navigation-layout.tsx

@@ -1,7 +1,10 @@
 "use client";
 
 import { usePathname } from "next/navigation";
-import { useGetConversationsQuery, type ChatConversation } from "@/app/api/queries/useGetConversationsQuery";
+import {
+  useGetConversationsQuery,
+  type ChatConversation,
+} from "@/app/api/queries/useGetConversationsQuery";
 import { KnowledgeFilterDropdown } from "@/components/knowledge-filter-dropdown";
 import { ModeToggle } from "@/components/mode-toggle";
 import { Navigation } from "@/components/navigation";

frontend/src/components/layout-wrapper.tsx

@@ -2,7 +2,10 @@
 
 import { Bell, Loader2 } from "lucide-react";
 import { usePathname } from "next/navigation";
-import { useGetConversationsQuery, type ChatConversation } from "@/app/api/queries/useGetConversationsQuery";
+import {
+  useGetConversationsQuery,
+  type ChatConversation,
+} from "@/app/api/queries/useGetConversationsQuery";
 import { useGetSettingsQuery } from "@/app/api/queries/useGetSettingsQuery";
 import { KnowledgeFilterPanel } from "@/components/knowledge-filter-panel";
 import Logo from "@/components/logo/logo";
@@ -50,10 +53,10 @@ export function LayoutWrapper({ children }: { children: React.ReactNode }) {
 
   // Calculate active tasks for the bell icon
   const activeTasks = tasks.filter(
-    (task) =>
+    task =>
       task.status === "pending" ||
       task.status === "running" ||
-      task.status === "processing",
+      task.status === "processing"
   );
 
   // Show loading state when backend isn't ready
@@ -85,7 +88,7 @@ export function LayoutWrapper({ children }: { children: React.ReactNode }) {
           </div>
         </div>
         <div className="header-end-division">
-          <div className="header-end-display">
+          <div className="justify-end flex items-center">
             {/* Knowledge Filter Dropdown */}
             {/* <KnowledgeFilterDropdown
               selectedFilter={selectedFilter}
@@ -99,20 +102,18 @@ export function LayoutWrapper({ children }: { children: React.ReactNode }) {
             {/* <DiscordLink inviteCode="EqksyE2EX9" /> */}
 
             {/* Task Notification Bell */}
-            <Button
+            <button
-              variant="ghost"
-              size="iconSm"
               onClick={toggleMenu}
-              className="relative"
+              className="h-9 w-9 hover:bg-muted rounded-lg flex items-center justify-center"
             >
-              <Bell className="h-4 w-4 text-muted-foreground" />
+              <Bell size={20} className="text-muted-foreground" />
               {activeTasks.length > 0 && (
                 <div className="header-notifications" />
               )}
-            </Button>
+            </button>
 
             {/* Separator */}
-            <div className="w-px h-6 bg-border" />
+            <div className="w-px h-6 bg-border ml-3 mr-4" />
 
             <UserNav />
           </div>

frontend/src/components/ui/buttonTheme.tsx

@@ -0,0 +1,68 @@
+import { useEffect, useState } from "react";
+import { Monitor, Moon, Sun } from "lucide-react";
+import { useTheme } from "next-themes";
+
+export const ThemeButtons = () => {
+  const { theme, setTheme } = useTheme();
+  const [selectedTheme, setSelectedTheme] = useState("dark");
+
+  // Sync local state with theme context
+  useEffect(() => {
+    if (theme) {
+      setSelectedTheme(theme);
+    }
+  }, [theme]);
+
+  const handleThemeChange = (newTheme: string) => {
+    setSelectedTheme(newTheme);
+    setTheme(newTheme);
+  };
+
+  return (
+    <div className="flex items-center gap-1 border border-border rounded-full">
+      {/* Light Theme Button */}
+      <button
+        className={`h-7 w-7 rounded-full flex items-center justify-center ${
+          selectedTheme === "light"
+            ? "bg-amber-400 text-primary"
+            : "text-foreground hover:bg-amber-400 hover:text-background"
+        }`}
+        onClick={() => handleThemeChange("light")}
+        data-testid="menu_light_button"
+        id="menu_light_button"
+      >
+        <Sun className="h-4 w-4 rounded-full" />
+      </button>
+
+      {/* Dark Theme Button */}
+      <button
+        className={`h-7 w-7 rounded-full flex items-center justify-center ${
+          selectedTheme === "dark"
+            ? "bg-purple-500/20 text-purple-500 hover:bg-purple-500/20 hover:text-purple-500"
+            : "text-foreground hover:bg-purple-500/20 hover:text-purple-500"
+        }`}
+        onClick={() => handleThemeChange("dark")}
+        data-testid="menu_dark_button"
+        id="menu_dark_button"
+      >
+        <Moon className="h-4 w-4" />
+      </button>
+
+      {/* System Theme Button */}
+      <button
+        className={`h-7 w-7 rounded-full flex items-center justify-center ${
+          selectedTheme === "system"
+            ? "bg-foreground text-background"
+            : "hover:bg-foreground hover:text-background"
+        }`}
+        onClick={() => handleThemeChange("system")}
+        data-testid="menu_system_button"
+        id="menu_system_button"
+      >
+        <Monitor className="h-4 w-4" />
+      </button>
+    </div>
+  );
+};
+
+export default ThemeButtons;

frontend/src/components/user-nav.tsx

@@ -1,7 +1,7 @@
-"use client"
+"use client";
 
-import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar"
+import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
-import { Button } from "@/components/ui/button"
+import { Button } from "@/components/ui/button";
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -9,65 +9,79 @@ import {
   DropdownMenuLabel,
   DropdownMenuSeparator,
   DropdownMenuTrigger,
-} from "@/components/ui/dropdown-menu"
+} from "@/components/ui/dropdown-menu";
-import { useAuth } from "@/contexts/auth-context"
+import { useAuth } from "@/contexts/auth-context";
-import { LogIn, LogOut, User, Moon, Sun, ChevronsUpDown } from "lucide-react"
+import { LogIn, LogOut, User, Moon, Sun, ChevronsUpDown } from "lucide-react";
-import { useTheme } from "next-themes"
+import { useTheme } from "next-themes";
+import ThemeButtons from "./ui/buttonTheme";
 
 export function UserNav() {
-  const { user, isLoading, isAuthenticated, isNoAuthMode, login, logout } = useAuth()
+  const { user, isLoading, isAuthenticated, isNoAuthMode, login, logout } =
-  const { theme, setTheme } = useTheme()
+    useAuth();
+  const { theme, setTheme } = useTheme();
 
   if (isLoading) {
-    return (
+    return <div className="h-8 w-8 rounded-full bg-muted animate-pulse" />;
-      <div className="h-8 w-8 rounded-full bg-muted animate-pulse" />
-    )
   }
 
   // In no-auth mode, show a simple theme switcher instead of auth UI
   if (isNoAuthMode) {
     return (
-      <Button 
+      <Button
-        onClick={() => setTheme(theme === 'dark' ? 'light' : 'dark')}
+        onClick={() => setTheme(theme === "dark" ? "light" : "dark")}
-        variant="outline" 
+        variant="outline"
         size="sm"
         className="flex items-center gap-2"
       >
-        {theme === 'dark' ? <Sun className="h-4 w-4" /> : <Moon className="h-4 w-4" />}
+        {theme === "dark" ? (
+          <Sun className="h-4 w-4" />
+        ) : (
+          <Moon className="h-4 w-4" />
+        )}
       </Button>
-    )
+    );
   }
 
   if (!isAuthenticated) {
     return (
-      <Button 
+      <Button
-        onClick={login} 
+        onClick={login}
-        variant="outline" 
+        variant="outline"
         size="sm"
         className="flex items-center gap-2"
       >
         <LogIn className="h-4 w-4" />
         Sign In
       </Button>
-    )
+    );
   }
 
   return (
     <DropdownMenu>
       <DropdownMenuTrigger asChild>
-        <Button variant="ghost" className="flex items-center gap-1 h-8 px-1 rounded-full">
+        <button className="hover:bg-muted rounded-lg flex items-center justify-center">
-          <Avatar className="h-6 w-6">
+          <Avatar className="rounded-md w-8 h-8">
-            <AvatarImage src={user?.picture} alt={user?.name} />
+            <AvatarImage
-            <AvatarFallback className="text-xs">
+              width={16}
-              {user?.name ? user.name.charAt(0).toUpperCase() : <User className="h-3 w-3" />}
+              height={16}
+              src={user?.picture}
+              alt={user?.name}
+              className="rounded-md"
+            />
+            <AvatarFallback className="text-xs rounded-md">
+              {user?.name ? (
+                user.name.charAt(0).toUpperCase()
+              ) : (
+                <User className="h-3 w-3" />
+              )}
             </AvatarFallback>
           </Avatar>
-          <ChevronsUpDown className="h-3 w-3 text-muted-foreground" />
+          <ChevronsUpDown size={16} className="text-muted-foreground mx-2" />
-        </Button>
+        </button>
       </DropdownMenuTrigger>
       <DropdownMenuContent className="w-56" align="end" forceMount>
         <DropdownMenuLabel className="font-normal">
-          <div className="flex flex-col space-y-1">
+          <div className="flex flex-col space-y-2">
             <p className="text-sm font-medium leading-none">{user?.name}</p>
             <p className="text-xs leading-none text-muted-foreground">
               {user?.email}
@@ -75,20 +89,21 @@ export function UserNav() {
           </div>
         </DropdownMenuLabel>
         <DropdownMenuSeparator />
-        <DropdownMenuItem onClick={() => setTheme(theme === "light" ? "dark" : "light")}>
+        {/* <DropdownMenuItem className="flex items-center justify-between"> */}
-          {theme === "light" ? (
+        <div className="flex items-center justify-between px-2 h-8">
-            <Moon className="mr-2 h-4 w-4" />
+          <span className="text-sm">Theme</span>
-          ) : (
+          <ThemeButtons />
-            <Sun className="mr-2 h-4 w-4" />
+        </div>
-          )}
+        {/* </DropdownMenuItem> */}
-          <span>Toggle Theme</span>
-        </DropdownMenuItem>
         <DropdownMenuSeparator />
-        <DropdownMenuItem onClick={logout} className="text-red-600 focus:text-red-600">
+        <DropdownMenuItem
+          onClick={logout}
+          className="text-red-600 focus:text-red-600"
+        >
           <LogOut className="mr-2 h-4 w-4" />
           <span>Log out</span>
         </DropdownMenuItem>
       </DropdownMenuContent>
     </DropdownMenu>
-  )
+  );
-} 
+}