diff --git a/frontend/app/(protected)/model/page.tsx b/frontend/app/(protected)/model/page.tsx
new file mode 100644
index 0000000..17a6231
--- /dev/null
+++ b/frontend/app/(protected)/model/page.tsx
@@ -0,0 +1,60 @@
+'use client'
+
+import React, { useState } from 'react'
+import ModelViewer from '@/components/ModelViewer'
+
+export default function Home() {
+  const [modelInfo, setModelInfo] = useState<{
+    meshes: unknown[]
+    boundingBox: {
+      min: { x: number; y: number; z: number }
+      max: { x: number; y: number; z: number }
+    }
+  } | null>(null)
+  const [error, setError] = useState<string | null>(null)
+
+  const handleModelLoaded = (data: {
+    meshes: unknown[]
+    boundingBox: {
+      min: { x: number; y: number; z: number }
+      max: { x: number; y: number; z: number }
+    }
+  }) => {
+    setModelInfo(data)
+    setError(null)
+    console.log('Model loaded successfully:', data)
+  }
+
+  const handleError = (errorMessage: string) => {
+    setError(errorMessage)
+    setModelInfo(null)
+  }
+
+  return (
+    <div className="relative h-screen">
+      <ModelViewer
+        modelPath="/models/EXPO_АР_PostRecon_level.gltf"
+        onModelLoaded={handleModelLoaded}
+        onError={handleError}
+      />
+
+      {error && (
+        <div className="absolute top-4 right-4 left-4 z-50 rounded-lg bg-red-600/90 p-4 text-sm text-white md:right-auto md:left-4 md:w-80">
+          <strong>Error:</strong> {error}
+        </div>
+      )}
+
+      {modelInfo && (
+        <div className="absolute top-4 right-4 z-50 max-w-xs rounded-lg bg-black/80 p-4 text-sm text-white">
+          <h3 className="mb-3 text-base font-semibold">EXPO Building Model</h3>
+
+          <div className="space-y-1 text-xs text-gray-300">
+            <div>🖱️ Left click + drag: Rotate</div>
+            <div>🖱️ Right click + drag: Pan</div>
+            <div>🖱️ Scroll: Zoom in/out</div>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
diff --git a/frontend/app/default.ts b/frontend/app/default.ts
new file mode 100644
index 0000000..8bc948e
--- /dev/null
+++ b/frontend/app/default.ts
@@ -0,0 +1 @@
+export { redirect as default } from 'next/navigation'
diff --git a/frontend/app/page.tsx b/frontend/app/page.tsx
index 00f5bb1..0a35558 100644
--- a/frontend/app/page.tsx
+++ b/frontend/app/page.tsx
@@ -1,60 +1,5 @@
-'use client'
-
-import React, { useState } from 'react'
-import ModelViewer from '../components/ModelViewer'
+import { redirect } from 'next/navigation'
 
 export default function Home() {
-  const [modelInfo, setModelInfo] = useState<{
-    meshes: unknown[]
-    boundingBox: {
-      min: { x: number; y: number; z: number }
-      max: { x: number; y: number; z: number }
-    }
-  } | null>(null)
-  const [error, setError] = useState<string | null>(null)
-  
-  const handleModelLoaded = (data: {
-    meshes: unknown[]
-    boundingBox: {
-      min: { x: number; y: number; z: number }
-      max: { x: number; y: number; z: number }
-    }
-  }) => {
-    setModelInfo(data)
-    setError(null)
-    console.log('Model loaded successfully:', data)
-  }
-
-  const handleError = (errorMessage: string) => {
-    setError(errorMessage)
-    setModelInfo(null)
-  }
-
-  return (
-    <div className="h-screen relative">
-      <ModelViewer
-        modelPath="/models/EXPO_АР_PostRecon_level.gltf"
-        onModelLoaded={handleModelLoaded}
-        onError={handleError}
-      />
-      
-      {error && (
-        <div className="absolute top-4 left-4 right-4 md:left-4 md:right-auto md:w-80 bg-red-600/90 text-white p-4 rounded-lg z-50 text-sm">
-          <strong>Error:</strong> {error}
-        </div>
-      )}
-
-      {modelInfo && (
-        <div className="absolute top-4 right-4 bg-black/80 text-white p-4 rounded-lg z-50 text-sm max-w-xs">
-          <h3 className="text-base font-semibold mb-3">EXPO Building Model</h3>
-          
-          <div className="text-xs text-gray-300 space-y-1">
-            <div>🖱️ Left click + drag: Rotate</div>
-            <div>🖱️ Right click + drag: Pan</div>
-            <div>🖱️ Scroll: Zoom in/out</div>
-          </div>
-        </div>
-      )}
-    </div>
-  )
+  redirect('/objects')
 }
diff --git a/frontend/app/store/userStore.ts b/frontend/app/store/userStore.ts
new file mode 100644
index 0000000..bbaec70
--- /dev/null
+++ b/frontend/app/store/userStore.ts
@@ -0,0 +1,47 @@
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+import { User, UserState } from '../types'
+
+interface UserStore extends UserState {
+  // состояние
+  isAuthenticated: boolean
+  user: User | null
+
+  // действия
+  setUser: (user: User | null) => void
+  setAuthenticated: (isAuthenticated: boolean) => void
+  logout: () => void
+
+  // асинхронные действия
+  //!  что пользователь может делать асинхронно?
+}
+
+const useUserStore = create<UserStore>()(
+  persist(
+    set => ({
+      // начальное состояние
+      isAuthenticated: false,
+      user: null,
+      favorites: [],
+
+      // синхронные действия
+      setUser: user => set({ user }),
+      setAuthenticated: isAuthenticated => set({ isAuthenticated }),
+      logout: () =>
+        set({
+          isAuthenticated: false,
+          user: null,
+        }),
+    }),
+
+    //! асинхронщина?
+    { name: 'user-store' }
+  )
+)
+
+export default useUserStore
+
+// пример использования
+// const { user, isAuthenticated } = useUserStore() -- получаем данные из стора
+// const { setUser, setAuthenticated } = useUserStore() -- устанавливаем данные в стор
+// const { logout } = useUserStore() -- выходим из пользовательского аккаунта
diff --git a/frontend/app/types/index.ts b/frontend/app/types/index.ts
index 2432b97..a5cf347 100644
--- a/frontend/app/types/index.ts
+++ b/frontend/app/types/index.ts
@@ -6,4 +6,29 @@ export interface ValidationRules {
 
 export interface ValidationErrors {
   [key: string]: string
-}
\ No newline at end of file
+}
+
+export type ToastProps = {
+  type: 'error' | 'success' | 'loading'
+  message: string
+  action?: {
+    text: string
+    onClick: () => void
+  }
+  duration?: number
+}
+
+export interface User {
+  id?: number | undefined
+  name: string
+  surname: string
+  image?: string
+  email: string
+  account_type?: string
+  login: string
+}
+
+export interface UserState {
+  isAuthenticated: boolean
+  user: User | null
+}
diff --git a/frontend/components/ui/ShowToast.tsx b/frontend/components/ui/ShowToast.tsx
new file mode 100644
index 0000000..7d16387
--- /dev/null
+++ b/frontend/components/ui/ShowToast.tsx
@@ -0,0 +1,59 @@
+import toast from 'react-hot-toast'
+import { ToastProps } from '@/app/types'
+
+const toastStyles = {
+  success: {
+    background: 'bg-green-50',
+    text: 'text-green-800',
+    border: 'border-green-200',
+  },
+  error: {
+    background: 'bg-red-50',
+    text: 'text-red-800',
+    border: 'border-red-200',
+  },
+  loading: {
+    background: 'bg-blue-50',
+    text: 'text-blue-800',
+    border: 'border-blue-200',
+  },
+}
+
+const showToast = ({ type, message, action, duration }: ToastProps) => {
+  const styles = toastStyles[type]
+
+  toast.custom(
+    t => (
+      <div
+        className={`${
+          t.visible ? 'animate-slideIn' : 'animate-slideOut'
+        } pointer-events-auto rounded-2xl px-3 shadow-lg ${styles.background} ${
+          styles.border
+        } transform border transition-all duration-300 ease-in-out`}
+      >
+        <div className="p-4">
+          <div className="flex items-start">
+            <div className="flex-1">
+              <p className={`text-sm font-medium ${styles.text}`}>{message}</p>
+              {action && (
+                <div className="text-center">
+                  <button
+                    onClick={action.onClick}
+                    className="mt-2 text-sm font-medium text-red-600 hover:text-red-800"
+                  >
+                    {action.text}
+                  </button>
+                </div>
+              )}
+            </div>
+          </div>
+        </div>
+      </div>
+    ),
+    { duration: duration || 4000 }
+  )
+}
+
+export default showToast
+
+//пример использования: showToast({ type: 'error', message: 'Неверный email или пароль' })