diff --git a/backend/app/api/v1/auth.py b/backend/app/api/v1/auth.py
index fe1eac8..54612b1 100644
--- a/backend/app/api/v1/auth.py
+++ b/backend/app/api/v1/auth.py
@@ -59,9 +59,15 @@ async def login(request: Request, data: UserLogin, db: DbSession):
 
     # Check if user is banned
     if user.is_banned:
+        # Return full ban info like in deps.py
+        ban_info = {
+            "banned_at": user.banned_at.isoformat() if user.banned_at else None,
+            "banned_until": user.banned_until.isoformat() if user.banned_until else None,
+            "reason": user.ban_reason,
+        }
         raise HTTPException(
             status_code=status.HTTP_403_FORBIDDEN,
-            detail="Your account has been banned",
+            detail=ban_info,
         )
 
     # If admin with Telegram linked, require 2FA
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 407cda1..5c990ed 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -61,7 +61,6 @@ function PublicRoute({ children }: { children: React.ReactNode }) {
 
 function App() {
   const banInfo = useAuthStore((state) => state.banInfo)
-  const isAuthenticated = useAuthStore((state) => state.isAuthenticated)
   const syncUser = useAuthStore((state) => state.syncUser)
 
   // Sync user data with server on app load
@@ -69,8 +68,8 @@ function App() {
     syncUser()
   }, [syncUser])
 
-  // Show banned screen if user is authenticated and banned
-  if (isAuthenticated && banInfo) {
+  // Show banned screen if user is banned (either authenticated or during login attempt)
+  if (banInfo) {
     return (
       <>
         <ToastContainer />
diff --git a/frontend/src/components/BannedScreen.tsx b/frontend/src/components/BannedScreen.tsx
index 0758bbd..1ab7bb9 100644
--- a/frontend/src/components/BannedScreen.tsx
+++ b/frontend/src/components/BannedScreen.tsx
@@ -10,6 +10,7 @@ interface BanInfo {
 
 interface BannedScreenProps {
   banInfo: BanInfo
+  onLogout?: () => void
 }
 
 function formatDate(dateStr: string | null) {
@@ -24,8 +25,9 @@ function formatDate(dateStr: string | null) {
   }) + ' (МСК)'
 }
 
-export function BannedScreen({ banInfo }: BannedScreenProps) {
-  const logout = useAuthStore((state) => state.logout)
+export function BannedScreen({ banInfo, onLogout }: BannedScreenProps) {
+  const storeLogout = useAuthStore((state) => state.logout)
+  const handleLogout = onLogout || storeLogout
 
   const bannedAtFormatted = formatDate(banInfo.banned_at)
   const bannedUntilFormatted = formatDate(banInfo.banned_until)
@@ -112,7 +114,7 @@ export function BannedScreen({ banInfo }: BannedScreenProps) {
       <NeonButton
         variant="secondary"
         size="lg"
-        onClick={logout}
+        onClick={handleLogout}
         icon={<LogOut className="w-5 h-5" />}
       >
         Выйти из аккаунта
diff --git a/frontend/src/pages/LoginPage.tsx b/frontend/src/pages/LoginPage.tsx
index 0a62fe5..64e6bbc 100644
--- a/frontend/src/pages/LoginPage.tsx
+++ b/frontend/src/pages/LoginPage.tsx
@@ -54,7 +54,8 @@ export function LoginPage() {
 
       navigate('/marathons')
     } catch {
-      setSubmitError(error || 'Ошибка входа')
+      // Error is already set in store by login function
+      // Ban case is handled separately via banInfo state
     }
   }
 
diff --git a/frontend/src/store/auth.ts b/frontend/src/store/auth.ts
index 06cd4e2..fe62254 100644
--- a/frontend/src/store/auth.ts
+++ b/frontend/src/store/auth.ts
@@ -60,7 +60,7 @@ export const useAuthStore = create<AuthState>()(
       banInfo: null,
 
       login: async (data) => {
-        set({ isLoading: true, error: null, pending2FA: null })
+        set({ isLoading: true, error: null, pending2FA: null, banInfo: null })
         try {
           const response = await authApi.login(data)
 
@@ -85,9 +85,34 @@ export const useAuthStore = create<AuthState>()(
           }
           return { requires2FA: false }
         } catch (err: unknown) {
-          const error = err as { response?: { data?: { detail?: string } } }
+          const error = err as { response?: { status?: number; data?: { detail?: string | BanInfo } } }
+
+          // Check if user is banned (403 with ban info)
+          if (error.response?.status === 403) {
+            const detail = error.response?.data?.detail
+            if (typeof detail === 'object' && detail !== null && 'banned_at' in detail) {
+              set({
+                banInfo: detail as BanInfo,
+                isLoading: false,
+                error: null,
+              })
+              throw err
+            }
+          }
+
+          // Regular error - translate common messages
+          let errorMessage = 'Ошибка входа'
+          const detail = error.response?.data?.detail
+          if (typeof detail === 'string') {
+            if (detail === 'Incorrect login or password') {
+              errorMessage = 'Неверный логин или пароль'
+            } else {
+              errorMessage = detail
+            }
+          }
+
           set({
-            error: error.response?.data?.detail || 'Login failed',
+            error: errorMessage,
             isLoading: false,
           })
           throw err