fix: restore CartSnackbar styling and 'Перейти в корзину' action button in NotificationStack

client/src/shared/ui/NotificationStack/NotificationStack.test.tsx

@@ -1,6 +1,7 @@
 import { render, screen, fireEvent, waitFor } from '@testing-library/react'
 import { allSettled, fork } from 'effector'
 import { Provider } from 'effector-react'
+import { MemoryRouter } from 'react-router-dom'
 import { describe, it, expect, afterEach } from 'vitest'
 import { addNotification, dismissAll, $notifications } from '../../model/notification'
 import { NotificationStack } from './NotificationStack'
@@ -16,9 +17,11 @@ describe('NotificationStack', () => {
 
   function renderWithScope(scope: ReturnType<typeof fork>) {
     return render(
-      <Provider value={scope}>
-        <NotificationStack />
-      </Provider>,
+      <MemoryRouter>
+        <Provider value={scope}>
+          <NotificationStack />
+        </Provider>
+      </MemoryRouter>,
     )
   }
 

client/src/shared/ui/NotificationStack/NotificationStack.tsx

@@ -1,11 +1,13 @@
 import CloseIcon from '@mui/icons-material/Close'
-import { Snackbar, Alert, Stack, IconButton } from '@mui/material'
+import { Snackbar, Alert, Stack, IconButton, Button } from '@mui/material'
 import { useUnit } from 'effector-react'
+import { useNavigate } from 'react-router-dom'
 import { $notifications, dismissNotification as dismissNotificationEvent } from '../../model/notification'
 
 export function NotificationStack() {
   const notifications = useUnit($notifications)
   const dismissNotification = useUnit(dismissNotificationEvent)
+  const navigate = useNavigate()
 
   if (notifications.length === 0) return null
 
@@ -29,14 +31,72 @@ export function NotificationStack() {
           autoHideDuration={n.autoHideDuration}
           onClose={() => dismissNotification(n.id)}
           anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
+          sx={{
+            '& .MuiSnackbarContent-root': {
+              borderRadius: 12,
+              border: '1px solid',
+              borderColor: 'rgba(0,0,0,0.06)',
+              bgcolor: 'background.paper',
+              boxShadow: '0 4px 20px rgba(0,0,0,0.08)',
+            },
+          }}
         >
           <Alert
             severity={n.type}
-            variant="filled"
+            variant="standard"
+            onClose={() => dismissNotification(n.id)}
+            sx={{
+              bgcolor: 'transparent',
+              border: 'none',
+              boxShadow: 'none',
+              p: 1.5,
+              alignItems: 'center',
+              '& .MuiAlert-icon': {
+                padding: 0,
+                mr: 1.5,
+                display: 'flex',
+                alignItems: 'center',
+              },
+              '& .MuiAlert-message': {
+                padding: 0,
+                fontSize: '0.875rem',
+                fontWeight: 600,
+              },
+              '& .MuiAlert-action': {
+                padding: 0,
+                mr: 0,
+                ml: 1,
+              },
+            }}
             action={
-              <IconButton size="small" color="inherit" onClick={() => dismissNotification(n.id)}>
-                <CloseIcon fontSize="small" />
-              </IconButton>
+              <>
+                {n.actionLabel && n.actionPath && (
+                  <Button
+                    size="small"
+                    variant="text"
+                    onClick={() => {
+                      dismissNotification(n.id)
+                      navigate(n.actionPath!)
+                    }}
+                    sx={{
+                      fontWeight: 600,
+                      fontSize: '0.8125rem',
+                      px: 1.5,
+                      py: 0.5,
+                      borderRadius: 8,
+                      color: 'success.main',
+                      '&:hover': {
+                        bgcolor: 'action.hover',
+                      },
+                    }}
+                  >
+                    {n.actionLabel}
+                  </Button>
+                )}
+                <IconButton size="small" color="inherit" onClick={() => dismissNotification(n.id)}>
+                  <CloseIcon fontSize="small" />
+                </IconButton>
+              </>
             }
           >
             {n.message}