diff --git a/frontend/src/components/Layout.tsx b/frontend/src/components/Layout.tsx
index 3b212035..6b405cfc 100644
--- a/frontend/src/components/Layout.tsx
+++ b/frontend/src/components/Layout.tsx
@@ -172,7 +172,7 @@ export default function Layout({ children }: LayoutProps) {
                 className="flex items-center space-x-2 text-sm text-gray-700 hover:text-gray-900 focus:outline-none"
               >
                 <UserCircleIcon className="h-8 w-8 text-gray-400" />
-                <span className="hidden sm:block">{user?.name}</span>
+                <span className="hidden sm:block">{user?.name || user?.full_name || user?.username}</span>
                 <ChevronDownIcon className="h-4 w-4" />
               </button>
               
diff --git a/frontend/src/components/auth/ProtectedRoute.tsx b/frontend/src/components/auth/ProtectedRoute.tsx
index 3478da31..7eebabfa 100644
--- a/frontend/src/components/auth/ProtectedRoute.tsx
+++ b/frontend/src/components/auth/ProtectedRoute.tsx
@@ -24,7 +24,7 @@ export default function ProtectedRoute({ children, requiredRole }: ProtectedRout
       }
 
       // Check role requirements
-      if (requiredRole && user?.role !== requiredRole) {
+      if (requiredRole && (user?.role || (user?.is_superuser ? 'Admin' : 'User')) !== requiredRole) {
         // Redirect to unauthorized or home page
         navigate('/', { replace: true });
         return;
@@ -47,7 +47,7 @@ export default function ProtectedRoute({ children, requiredRole }: ProtectedRout
   }
 
   // If role is required but user doesn't have it, don't render
-  if (requiredRole && user?.role !== requiredRole) {
+  if (requiredRole && (user?.role || (user?.is_superuser ? 'Admin' : 'User')) !== requiredRole) {
     return (
       <div className="min-h-screen flex items-center justify-center">
         <div className="text-center">
diff --git a/frontend/src/components/auth/UserProfile.tsx b/frontend/src/components/auth/UserProfile.tsx
index 745d5b55..a450f3d3 100644
--- a/frontend/src/components/auth/UserProfile.tsx
+++ b/frontend/src/components/auth/UserProfile.tsx
@@ -19,7 +19,7 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
   const { user, logout } = useAuth();
   const navigate = useNavigate();
   const [isEditing, setIsEditing] = useState(false);
-  const [editedName, setEditedName] = useState(user?.name || '');
+  const [editedName, setEditedName] = useState(user?.name || user?.full_name || '');
 
   const handleSave = () => {
     // In a real app, this would make an API call to update user profile
@@ -28,7 +28,7 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
   };
 
   const handleCancel = () => {
-    setEditedName(user?.name || '');
+    setEditedName(user?.name || user?.full_name || '');
     setIsEditing(false);
   };
 
@@ -46,10 +46,10 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
         <div className="flex items-center space-x-3 pb-4 border-b">
           <UserCircleIcon className="h-12 w-12 text-gray-400" />
           <div>
-            <p className="font-medium text-gray-900">{user.name}</p>
+            <p className="font-medium text-gray-900">{user.name || user.full_name || user.username}</p>
             <p className="text-sm text-gray-500">@{user.username}</p>
             <span className="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-blue-100 text-blue-800">
-              {user.role}
+              {user.role || (user.is_superuser ? 'Admin' : 'User')}
             </span>
           </div>
         </div>
@@ -98,10 +98,10 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
               </button>
             </div>
             <div>
-              <h3 className="text-xl font-semibold text-gray-900">{user.name}</h3>
+              <h3 className="text-xl font-semibold text-gray-900">{user.name || user.full_name || user.username}</h3>
               <p className="text-gray-600">@{user.username}</p>
               <span className="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium bg-blue-100 text-blue-800 mt-2">
-                {user.role}
+                {user.role || (user.is_superuser ? 'Admin' : 'User')}
               </span>
             </div>
           </div>
@@ -136,7 +136,7 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
                 </div>
               ) : (
                 <div className="flex items-center justify-between">
-                  <span className="text-gray-900">{user.name}</span>
+                  <span className="text-gray-900">{user.name || user.full_name || user.username}</span>
                   <button
                     onClick={() => setIsEditing(true)}
                     className="text-blue-600 hover:text-blue-800"
@@ -170,7 +170,7 @@ export default function UserProfile({ isDropdown = false, onClose }: UserProfile
                 Role
               </label>
               <span className="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium bg-blue-100 text-blue-800">
-                {user.role}
+                {user.role || (user.is_superuser ? 'Admin' : 'User')}
               </span>
               <p className="text-xs text-gray-500 mt-1">Role is managed by system administrators</p>
             </div>
diff --git a/frontend/src/components/ui/alert.tsx b/frontend/src/components/ui/alert.tsx
new file mode 100644
index 00000000..5a7ba0fd
--- /dev/null
+++ b/frontend/src/components/ui/alert.tsx
@@ -0,0 +1,59 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const alertVariants = cva(
+  "relative w-full rounded-lg border p-4 [&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground",
+  {
+    variants: {
+      variant: {
+        default: "bg-background text-foreground",
+        destructive:
+          "border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+const Alert = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
+>(({ className, variant, ...props }, ref) => (
+  <div
+    ref={ref}
+    role="alert"
+    className={cn(alertVariants({ variant }), className)}
+    {...props}
+  />
+))
+Alert.displayName = "Alert"
+
+const AlertTitle = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLHeadingElement>
+>(({ className, ...props }, ref) => (
+  <h5
+    ref={ref}
+    className={cn("mb-1 font-medium leading-none tracking-tight", className)}
+    {...props}
+  />
+))
+AlertTitle.displayName = "AlertTitle"
+
+const AlertDescription = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLParagraphElement>
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    className={cn("text-sm [&_p]:leading-relaxed", className)}
+    {...props}
+  />
+))
+AlertDescription.displayName = "AlertDescription"
+
+export { Alert, AlertTitle, AlertDescription }
\ No newline at end of file
diff --git a/frontend/src/components/ui/checkbox.tsx b/frontend/src/components/ui/checkbox.tsx
new file mode 100644
index 00000000..43ac6c4a
--- /dev/null
+++ b/frontend/src/components/ui/checkbox.tsx
@@ -0,0 +1,28 @@
+import * as React from "react"
+import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
+import { Check } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Checkbox = React.forwardRef<
+  React.ElementRef<typeof CheckboxPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <CheckboxPrimitive.Root
+    ref={ref}
+    className={cn(
+      "peer h-4 w-4 shrink-0 rounded-sm border border-primary ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+      className
+    )}
+    {...props}
+  >
+    <CheckboxPrimitive.Indicator
+      className={cn("flex items-center justify-center text-current")}
+    >
+      <Check className="h-4 w-4" />
+    </CheckboxPrimitive.Indicator>
+  </CheckboxPrimitive.Root>
+))
+Checkbox.displayName = CheckboxPrimitive.Root.displayName
+
+export { Checkbox }
\ No newline at end of file
diff --git a/frontend/src/components/ui/dialog.tsx b/frontend/src/components/ui/dialog.tsx
new file mode 100644
index 00000000..9e81a620
--- /dev/null
+++ b/frontend/src/components/ui/dialog.tsx
@@ -0,0 +1,120 @@
+import * as React from "react"
+import * as DialogPrimitive from "@radix-ui/react-dialog"
+import { X } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Dialog = DialogPrimitive.Root
+
+const DialogTrigger = DialogPrimitive.Trigger
+
+const DialogPortal = DialogPrimitive.Portal
+
+const DialogClose = DialogPrimitive.Close
+
+const DialogOverlay = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Overlay
+    ref={ref}
+    className={cn(
+      "fixed inset-0 z-50 bg-background/80 backdrop-blur-sm data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+  />
+))
+DialogOverlay.displayName = DialogPrimitive.Overlay.displayName
+
+const DialogContent = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <DialogPortal>
+    <DialogOverlay />
+    <DialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </DialogPrimitive.Close>
+    </DialogPrimitive.Content>
+  </DialogPortal>
+))
+DialogContent.displayName = DialogPrimitive.Content.displayName
+
+const DialogHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-1.5 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+DialogHeader.displayName = "DialogHeader"
+
+const DialogFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+DialogFooter.displayName = "DialogFooter"
+
+const DialogTitle = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Title
+    ref={ref}
+    className={cn(
+      "text-lg font-semibold leading-none tracking-tight",
+      className
+    )}
+    {...props}
+  />
+))
+DialogTitle.displayName = DialogPrimitive.Title.displayName
+
+const DialogDescription = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+DialogDescription.displayName = DialogPrimitive.Description.displayName
+
+export {
+  Dialog,
+  DialogPortal,
+  DialogOverlay,
+  DialogClose,
+  DialogTrigger,
+  DialogContent,
+  DialogHeader,
+  DialogFooter,
+  DialogTitle,
+  DialogDescription,
+}
\ No newline at end of file
diff --git a/frontend/src/contexts/AuthContext.tsx b/frontend/src/contexts/AuthContext.tsx
index 560e9e2b..d25e89f5 100644
--- a/frontend/src/contexts/AuthContext.tsx
+++ b/frontend/src/contexts/AuthContext.tsx
@@ -10,6 +10,8 @@ interface User {
   username: string;
   email: string;
   full_name?: string;
+  name?: string; // For backward compatibility
+  role?: string; // For backward compatibility
   is_active: boolean;
   is_superuser: boolean;
   is_verified: boolean;
diff --git a/frontend/src/pages/Login.tsx b/frontend/src/pages/Login.tsx
index 7d2453a4..9da4c97e 100644
--- a/frontend/src/pages/Login.tsx
+++ b/frontend/src/pages/Login.tsx
@@ -35,15 +35,10 @@ export default function Login() {
     setError(null);
 
     try {
-      const success = await login(credentials.username, credentials.password);
-      
-      if (success) {
-        navigate(returnPath);
-      } else {
-        setError('Invalid username or password');
-      }
-    } catch (err) {
-      setError('Login failed. Please try again.');
+      await login(credentials.username, credentials.password);
+      navigate(returnPath);
+    } catch (err: any) {
+      setError(err.message || 'Login failed. Please try again.');
     } finally {
       setIsLoading(false);
     }