diff --git a/frontend/src/lib/i18n.tsx b/frontend/src/lib/i18n.tsx
index 80d22d0..45f8e36 100644
--- a/frontend/src/lib/i18n.tsx
+++ b/frontend/src/lib/i18n.tsx
@@ -33,6 +33,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Theme",
     "dashboard.sidebar.signOut": "Sign Out",
     "dashboard.sidebar.backHome": "Back to Home",
+    "dashboard.sidebar.upgradeToPro": "Upgrade to Pro →",
+    "cookieConsent.title": "Cookies on Office Translator",
+    "cookieConsent.description": "We use essential cookies so the app works (session, security, language). With your permission, we also use optional cookies to measure traffic and improve the product.",
+    "cookieConsent.acceptAll": "Accept all",
+    "cookieConsent.essentialOnly": "Essential only",
+    "cookieConsent.learnMore": "Learn more",
     "dashboard.translate.pageTitle": "Translate a document",
     "dashboard.translate.pageSubtitle":
       "Import a file and choose the target language",
@@ -748,6 +754,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Thème",
     "dashboard.sidebar.signOut": "Déconnexion",
     "dashboard.sidebar.backHome": "Retour à l'accueil",
+    "dashboard.sidebar.upgradeToPro": "Passer Pro →",
+    "cookieConsent.title": "Cookies sur Office Translator",
+    "cookieConsent.description": "Nous utilisons des cookies strictement nécessaires au fonctionnement du service (session, sécurité, langue). Avec votre accord, nous pouvons aussi utiliser des cookies optionnels pour mesurer l'audience et améliorer le produit.",
+    "cookieConsent.acceptAll": "Tout accepter",
+    "cookieConsent.essentialOnly": "Nécessaires uniquement",
+    "cookieConsent.learnMore": "En savoir plus",
     "dashboard.translate.pageTitle": "Traduire un document",
     "dashboard.translate.pageSubtitle":
       "Importez un fichier et choisissez la langue cible",
@@ -1467,6 +1479,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Tema",
     "dashboard.sidebar.signOut": "Cerrar sesión",
     "dashboard.sidebar.backHome": "Volver al inicio",
+    "dashboard.sidebar.upgradeToPro": "Pasar a Pro →",
+    "cookieConsent.title": "Cookies en Office Translator",
+    "cookieConsent.description": "Usamos cookies esenciales para que la aplicación funcione (sesión, seguridad, idioma). Con su permiso, también usamos cookies opcionales para medir el tráfico y mejorar el producto.",
+    "cookieConsent.acceptAll": "Aceptar todas",
+    "cookieConsent.essentialOnly": "Solo esenciales",
+    "cookieConsent.learnMore": "Más información",
     "dashboard.translate.pageTitle": "Traducir un documento",
     "dashboard.translate.pageSubtitle": "Importa un archivo y elige el idioma de destino",
     "dashboard.translate.errorNotificationTitle": "Error",
@@ -2125,6 +2143,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Design",
     "dashboard.sidebar.signOut": "Abmelden",
     "dashboard.sidebar.backHome": "Zurück zur Startseite",
+    "dashboard.sidebar.upgradeToPro": "Auf Pro upgraden →",
+    "cookieConsent.title": "Cookies auf Office Translator",
+    "cookieConsent.description": "Wir verwenden essenzielle Cookies, damit die App funktioniert (Sitzung, Sicherheit, Sprache). Mit Ihrer Erlaubnis verwenden wir auch optionale Cookies zur Verkehrsmessung und Produktverbesserung.",
+    "cookieConsent.acceptAll": "Alle akzeptieren",
+    "cookieConsent.essentialOnly": "Nur Essenzielle",
+    "cookieConsent.learnMore": "Mehr erfahren",
     "dashboard.translate.pageTitle": "Dokument übersetzen",
     "dashboard.translate.pageSubtitle": "Datei importieren und Zielsprache wählen",
     "dashboard.translate.errorNotificationTitle": "Fehler",
@@ -2783,6 +2807,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Tema",
     "dashboard.sidebar.signOut": "Sair",
     "dashboard.sidebar.backHome": "Voltar ao início",
+    "dashboard.sidebar.upgradeToPro": "Atualizar para Pro →",
+    "cookieConsent.title": "Cookies no Office Translator",
+    "cookieConsent.description": "Usamos cookies essenciais para o funcionamento do serviço (sessão, segurança, idioma). Com a sua permissão, também usamos cookies opcionais para medir o tráfego e melhorar o produto.",
+    "cookieConsent.acceptAll": "Aceitar todas",
+    "cookieConsent.essentialOnly": "Apenas essenciais",
+    "cookieConsent.learnMore": "Saiba mais",
     "dashboard.translate.pageTitle": "Traduzir um documento",
     "dashboard.translate.pageSubtitle": "Importe um arquivo e escolha o idioma de destino",
     "dashboard.translate.errorNotificationTitle": "Erro",
@@ -3441,6 +3471,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Tema",
     "dashboard.sidebar.signOut": "Esci",
     "dashboard.sidebar.backHome": "Torna alla home",
+    "dashboard.sidebar.upgradeToPro": "Passa a Pro →",
+    "cookieConsent.title": "Cookie su Office Translator",
+    "cookieConsent.description": "Utilizziamo cookie essenziali per il funzionamento del servizio (sessione, sicurezza, lingua). Con il vostro consenso, utilizziamo anche cookie opzionali per misurare il traffico e migliorare il prodotto.",
+    "cookieConsent.acceptAll": "Accetta tutti",
+    "cookieConsent.essentialOnly": "Solo essenziali",
+    "cookieConsent.learnMore": "Scopri di più",
     "dashboard.translate.pageTitle": "Traduci un documento",
     "dashboard.translate.pageSubtitle": "Importa un file e scegli la lingua di destinazione",
     "dashboard.translate.errorNotificationTitle": "Errore",
@@ -4099,6 +4135,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Thema",
     "dashboard.sidebar.signOut": "Uitloggen",
     "dashboard.sidebar.backHome": "Terug naar home",
+    "dashboard.sidebar.upgradeToPro": "Upgrade naar Pro →",
+    "cookieConsent.title": "Cookies op Office Translator",
+    "cookieConsent.description": "We gebruiken essentiële cookies zodat de app werkt (sessie, beveiliging, taal). Met uw toestemming gebruiken we ook optionele cookies om verkeer te meten en het product te verbeteren.",
+    "cookieConsent.acceptAll": "Alles accepteren",
+    "cookieConsent.essentialOnly": "Alleen essentiële",
+    "cookieConsent.learnMore": "Meer informatie",
     "dashboard.translate.pageTitle": "Document vertalen",
     "dashboard.translate.pageSubtitle": "Importeer een bestand en kies de doeltaal",
     "dashboard.translate.errorNotificationTitle": "Fout",
@@ -4757,6 +4799,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "Тема",
     "dashboard.sidebar.signOut": "Выйти",
     "dashboard.sidebar.backHome": "Вернуться на главную",
+    "dashboard.sidebar.upgradeToPro": "Обновить до Pro →",
+    "cookieConsent.title": "Файлы cookie в Office Translator",
+    "cookieConsent.description": "Мы используем essential файлы cookie для работы приложения (сессия, безопасность, язык). С вашего разрешения мы также используем необязательные файлы cookie для измерения трафика и улучшения продукта.",
+    "cookieConsent.acceptAll": "Принять все",
+    "cookieConsent.essentialOnly": "Только необходимые",
+    "cookieConsent.learnMore": "Подробнее",
     "dashboard.translate.pageTitle": "Перевести документ",
     "dashboard.translate.pageSubtitle": "Импортируйте файл и выберите целевой язык",
     "dashboard.translate.errorNotificationTitle": "Ошибка",
@@ -5417,6 +5465,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "テーマ",
     "dashboard.sidebar.signOut": "ログアウト",
     "dashboard.sidebar.backHome": "ホームに戻る",
+    "dashboard.sidebar.upgradeToPro": "Proにアップグレード →",
+    "cookieConsent.title": "Office TranslatorのCookie",
+    "cookieConsent.description": "アプリの動作に必要なCookieを使用します（セッション、セキュリティ、言語）。許可をいただいた場合、トラフィックの測定と製品の改善のためのオプションCookieも使用します。",
+    "cookieConsent.acceptAll": "すべて許可",
+    "cookieConsent.essentialOnly": "必要なもののみ",
+    "cookieConsent.learnMore": "詳細",
     "dashboard.translate.pageTitle": "ドキュメントを翻訳",
     "dashboard.translate.pageSubtitle": "ファイルをインポートして翻訳先言語を選択",
     "dashboard.translate.errorNotificationTitle": "エラー",
@@ -6074,6 +6128,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "테마",
     "dashboard.sidebar.signOut": "로그아웃",
     "dashboard.sidebar.backHome": "홈으로 돌아가기",
+    "dashboard.sidebar.upgradeToPro": "Pro로 업그레이드 →",
+    "cookieConsent.title": "Office Translator 쿠키",
+    "cookieConsent.description": "앱 작동에 필요한 필수 쿠키를 사용합니다(세션, 보안, 언어). 허락하시면 트래픽 측정 및 제품 개선을 위한 선택적 쿠키도 사용합니다.",
+    "cookieConsent.acceptAll": "모두 허용",
+    "cookieConsent.essentialOnly": "필수만",
+    "cookieConsent.learnMore": "자세히 보기",
     "dashboard.translate.pageTitle": "문서 번역",
     "dashboard.translate.pageSubtitle": "파일을 가져오고 대상 언어를 선택하세요",
     "dashboard.translate.errorNotificationTitle": "오류",
@@ -6730,6 +6790,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "主题",
     "dashboard.sidebar.signOut": "退出登录",
     "dashboard.sidebar.backHome": "返回首页",
+    "dashboard.sidebar.upgradeToPro": "升级到 Pro →",
+    "cookieConsent.title": "Office Translator 的 Cookie",
+    "cookieConsent.description": "我们使用必要的 Cookie 以确保应用正常运行（会话、安全、语言）。在您的许可下，我们还会使用可选 Cookie 来衡量流量和改进产品。",
+    "cookieConsent.acceptAll": "全部接受",
+    "cookieConsent.essentialOnly": "仅限必要",
+    "cookieConsent.learnMore": "了解更多",
     "dashboard.translate.pageTitle": "翻译文档",
     "dashboard.translate.pageSubtitle": "导入文件并选择目标语言",
     "dashboard.translate.errorNotificationTitle": "错误",
@@ -7343,6 +7409,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "المظهر",
     "dashboard.sidebar.signOut": "تسجيل الخروج",
     "dashboard.sidebar.backHome": "العودة إلى الصفحة الرئيسية",
+    "dashboard.sidebar.upgradeToPro": "الترقية إلى Pro ←",
+    "cookieConsent.title": "ملفات تعريف الارتباط على Office Translator",
+    "cookieConsent.description": "نستخدم ملفات تعريف الارتباط الأساسية لعمل التطبيق (الجلسة، الأمان، اللغة). بإذنك، نستخدم أيضًا ملفات تعريف ارتباط اختيارية لقياس حركة المرور وتحسين المنتج.",
+    "cookieConsent.acceptAll": "قبول الكل",
+    "cookieConsent.essentialOnly": "الأساسية فقط",
+    "cookieConsent.learnMore": "معرفة المزيد",
     "dashboard.translate.pageTitle": "ترجمة مستند",
     "dashboard.translate.pageSubtitle": "استورد ملفًا واختر اللغة الهدف",
     "dashboard.translate.errorNotificationTitle": "خطأ",
@@ -7956,6 +8028,12 @@ const messages: Record<Locale, Record<string, string>> = {
     "dashboard.sidebar.theme": "پوسته",
     "dashboard.sidebar.signOut": "خروج",
     "dashboard.sidebar.backHome": "بازگشت به صفحه اصلی",
+    "dashboard.sidebar.upgradeToPro": "ارتقا به Pro ←",
+    "cookieConsent.title": "کوکی‌ها در Office Translator",
+    "cookieConsent.description": "ما از کوکی‌های ضروری برای کارکرد برنامه استفاده می‌کنیم (نشست، امنیت، زبان). با اجازه شما، از کوکی‌های اختیاری برای اندازه‌گیری ترافیک و بهبود محصول نیز استفاده می‌کنیم.",
+    "cookieConsent.acceptAll": "پذیرش همه",
+    "cookieConsent.essentialOnly": "فقط ضروری",
+    "cookieConsent.learnMore": "بیشتر بدانید",
     "dashboard.translate.pageTitle": "ترجمه یک سند",
     "dashboard.translate.pageSubtitle":
       "یک فایل وارد کنید و زبان هدف را انتخاب کنید",