diff --git a/client_v2/postcss.config.js b/client_v2/postcss.config.js
index 0f75c564..79285b47 100644
--- a/client_v2/postcss.config.js
+++ b/client_v2/postcss.config.js
@@ -1,13 +1,7 @@
 import autoprefixer from 'autoprefixer';
 import postcssImport from 'postcss-import';
-import postcssCustomMedia from 'postcss-custom-media';
 import postcssNested from 'postcss-nested';
 
 export default {
-  plugins: [
-    postcssImport(),
-    postcssCustomMedia(),
-    postcssNested(),
-    autoprefixer({ overrideBrowserslist: ['last 2 versions'] }),
-  ],
+    plugins: [postcssImport(), postcssNested(), autoprefixer({ overrideBrowserslist: ['last 2 versions'] })],
 };
diff --git a/client_v2/src/api/Api.ts b/client_v2/src/api/Api.ts
index 58ea0f81..89acf6a5 100644
--- a/client_v2/src/api/Api.ts
+++ b/client_v2/src/api/Api.ts
@@ -634,6 +634,13 @@ class Api {
         return this.makeRequest(path, method, config);
     }
 
+    // Logout
+    LOGOUT_PATH = 'logout';
+
+    getLogoutUrl() {
+        return `${this.baseUrl}/${this.LOGOUT_PATH}`;
+    }
+
     // Profile
     GET_PROFILE = { path: 'profile', method: 'GET' };
 
diff --git a/client_v2/src/common/intl/index.ts b/client_v2/src/common/intl/index.ts
index 185e8b51..44f2fa11 100644
--- a/client_v2/src/common/intl/index.ts
+++ b/client_v2/src/common/intl/index.ts
@@ -1,19 +1,20 @@
 import React from 'react';
 
 import { I18nInterface, translate } from '@adguard/translate';
+import { BASE_LOCALE } from 'panel/helpers/twosky';
 
-import en from '../../__locales/en.json';
-import de from '../../__locales/de.json';
-import es from '../../__locales/es.json';
-import fr from '../../__locales/fr.json';
-import it from '../../__locales/it.json';
-import ja from '../../__locales/ja.json';
-import ko from '../../__locales/ko.json';
-import ptBr from '../../__locales/pt-br.json';
-import ptPt from '../../__locales/pt-pt.json';
-import ru from '../../__locales/ru.json';
-import zhCn from '../../__locales/zh-cn.json';
-import zhTw from '../../__locales/zh-tw.json';
+import en from 'panel/__locales/en.json';
+import de from 'panel/__locales/de.json';
+import es from 'panel/__locales/es.json';
+import fr from 'panel/__locales/fr.json';
+import it from 'panel/__locales/it.json';
+import ja from 'panel/__locales/ja.json';
+import ko from 'panel/__locales/ko.json';
+import ptBr from 'panel/__locales/pt-br.json';
+import ptPt from 'panel/__locales/pt-pt.json';
+import ru from 'panel/__locales/ru.json';
+import zhCn from 'panel/__locales/zh-cn.json';
+import zhTw from 'panel/__locales/zh-tw.json';
 
 export type LocalesType = ReturnType<I18nInterface['getUILanguage']>;
 
@@ -40,10 +41,10 @@ export const i18n = (lang: LocalesType) => ({
     getMessage: (key: string) => messages[lang]?.[key] || '',
     getUILanguage: () => (lang.includes('zh') ? 'zh' : lang),
     getBaseMessage: (key: string) => messages.en![key] || key,
-    getBaseUILanguage: () => 'en' as LocalesType,
+    getBaseUILanguage: () => BASE_LOCALE as LocalesType,
 });
 
-let currentLanguage: LocalesType = 'en';
+let currentLanguage: LocalesType = BASE_LOCALE as LocalesType;
 
 let translator = translate.createReactTranslator<any>(i18n(currentLanguage), React, {
     tags: [
@@ -69,7 +70,7 @@ const intl = {
         return messages.en?.[key] || key;
     },
 
-    getBaseUILanguage: () => 'en' as LocalesType,
+    getBaseUILanguage: () => BASE_LOCALE as LocalesType,
 
     changeLanguage: (newLang: LocalesType) => {
         currentLanguage = newLang;
diff --git a/client_v2/src/common/ui/Footer/Footer.tsx b/client_v2/src/common/ui/Footer/Footer.tsx
index a390e066..8a3a4fc5 100644
--- a/client_v2/src/common/ui/Footer/Footer.tsx
+++ b/client_v2/src/common/ui/Footer/Footer.tsx
@@ -9,7 +9,7 @@ import { Icon } from 'panel/common/ui/Icon';
 import { REPOSITORY, PRIVACY_POLICY_LINK, THEMES } from '../../../helpers/constants';
 import { LANGUAGES } from '../../../helpers/twosky';
 import { setHtmlLangAttr, setUITheme } from '../../../helpers/helpers';
-import { changeTheme } from '../../../actions';
+import { changeTheme, changeLanguage as changeLanguageAction } from '../../../actions';
 import { RootState } from '../../../initialState';
 
 import s from './styles.module.pcss';
@@ -41,6 +41,8 @@ export const Footer = () => {
 
     const currentTheme = useSelector((state: RootState) => (state.dashboard ? state.dashboard.theme : THEMES.auto));
     const profileName = useSelector((state: RootState) => (state.dashboard ? state.dashboard.name : ''));
+    const currentLanguage =
+        useSelector((state: RootState) => (state.dashboard ? state.dashboard.language : '')) || intl.getUILanguage();
     const isLoggedIn = profileName !== '';
     const [currentThemeLocal, setCurrentThemeLocal] = useState(THEMES.auto);
     const [themeDropdownOpen, setThemeDropdownOpen] = useState(false);
@@ -70,10 +72,16 @@ export const Footer = () => {
         return 'theme_light';
     };
 
-    const changeLanguage = (newLang: LocalesType) => {
+    const changeLanguage = async (newLang: LocalesType) => {
         intl.changeLanguage(newLang);
         setHtmlLangAttr(newLang);
-        window.location.reload();
+
+        try {
+            await dispatch(changeLanguageAction(newLang));
+            window.location.reload();
+        } catch (error) {
+            console.error('Failed to save language preference:', error);
+        }
     };
 
     const onThemeChange = (value: string) => {
@@ -146,7 +154,7 @@ export const Footer = () => {
                                         type="button"
                                         key={lang}
                                         className={cn(theme.dropdown.item, {
-                                            [theme.dropdown.item_active]: intl.getUILanguage() === lang,
+                                            [theme.dropdown.item_active]: currentLanguage === lang,
                                         })}
                                         onClick={() => changeLanguage(lang as LocalesType)}>
                                         {LANGUAGES[lang]}
@@ -159,7 +167,7 @@ export const Footer = () => {
                         position="bottomRight">
                         <div className={s.dropdownTrigger}>
                             <Icon icon="lang" className={s.icon} />
-                            <span>{LANGUAGES[intl.getUILanguage()]}</span>
+                            <span>{LANGUAGES[currentLanguage] || LANGUAGES[intl.getUILanguage()]}</span>
                         </div>
                     </Dropdown>
                 </div>
diff --git a/client_v2/src/common/ui/Menu/Menu.tsx b/client_v2/src/common/ui/Menu/Menu.tsx
index f1207179..bce10a52 100644
--- a/client_v2/src/common/ui/Menu/Menu.tsx
+++ b/client_v2/src/common/ui/Menu/Menu.tsx
@@ -6,6 +6,7 @@ import { Link } from 'panel/common/ui/Link';
 import { Paths, RoutePath } from 'panel/components/Routes/Paths';
 import theme from 'panel/lib/theme';
 import intl from 'panel/common/intl';
+import { apiClient } from 'panel/api/Api';
 import { AccordionSection } from './AccordionSection';
 
 import s from './styles.module.pcss';
@@ -123,7 +124,7 @@ export const Menu = ({ headerMenu }: Props) => {
             </nav>
             <div className={s.referenceWrapper}>
                 <div className={cn(s.menuLinkWrapper)}>
-                    <a target="_blank" rel="noopener noreferrer" className={s.menuLink} href="">
+                    <a href={apiClient.getLogoutUrl()} target="_blank" rel="noopener noreferrer" className={s.menuLink}>
                         <Icon className={s.linkIcon} icon="logout" />
                         <span className={theme.common.textOverflow}>{intl.getMessage('logout')}</span>
                     </a>
diff --git a/client_v2/src/index.pcss b/client_v2/src/index.pcss
index fdc88d39..e9917585 100644
--- a/client_v2/src/index.pcss
+++ b/client_v2/src/index.pcss
@@ -1,4 +1,3 @@
-@import './common/styles/custom-media.pcss';
 @import './common/styles/vars.css';
 @import './common/styles/colors/light.css';
 @import './common/styles/colors/dark.css';
@@ -6,10 +5,12 @@
 
 :root {
     --font-family-monospace: Monaco, Menlo, 'Ubuntu Mono', Consolas, source-code-pro, monospace;
-    --font-family-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif
+    --font-family-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
 }
 
-*, *::after, *::before {
+*,
+*::after,
+*::before {
     box-sizing: border-box;
 }
 
@@ -36,6 +37,11 @@ select {
     font-family: var(--font-family-system);
 }
 
-h1, h2, h3, h4, h5, h6 {
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
     margin: 0;
 }