diff --git a/src/locales/en.json b/src/locales/en.json
index df51eb8..77f3704 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -60,7 +60,9 @@
     "logout": "Logout",
     "email": "Email",
     "password": "Password",
-    "confirmPassword": "Confirm password",
+    "confirmPassword": "Confirm Password",
+    "firstName": "First Name",
+    "firstNamePlaceholder": "Your name (optional)",
     "forgotPassword": "Forgot password?",
     "resetPassword": "Reset password",
     "loginWithTelegram": "Login with Telegram",
@@ -76,7 +78,14 @@
     "tryAgain": "Try Again",
     "welcomeBack": "Welcome back!",
     "loginTitle": "Login to Cabinet",
-    "loginSubtitle": "Sign in with Telegram or use your email"
+    "loginSubtitle": "Sign in with Telegram or use your email",
+    "passwordMismatch": "Passwords do not match",
+    "passwordTooShort": "Password must be at least 8 characters",
+    "invalidEmail": "Please enter a valid email address",
+    "emailAlreadyRegistered": "This email is already registered",
+    "invalidCredentials": "Invalid email or password",
+    "tooManyAttempts": "Too many attempts. Please try again later",
+    "verificationEmailNotice": "After registration, a verification email will be sent to your address"
   },
   "emailVerification": {
     "title": "Email Verification",
@@ -1187,6 +1196,7 @@
     "linkEmailDescription": "Link your email to log in without Telegram. After linking, you'll receive a verification email.",
     "linkEmail": "Link Email",
     "emailRequired": "Email is required",
+    "invalidEmail": "Please enter a valid email address",
     "passwordMinLength": "Password must be at least 8 characters",
     "passwordsMismatch": "Passwords do not match",
     "passwordPlaceholder": "Enter password",
diff --git a/src/locales/fa.json b/src/locales/fa.json
index 39580de..b03b8b6 100644
--- a/src/locales/fa.json
+++ b/src/locales/fa.json
@@ -669,6 +669,7 @@
     "linkEmailDescription": "ایمیل خود را متصل کنید تا بدون تلگرام وارد شوید. پس از اتصال، ایمیل تایید دریافت خواهید کرد.",
     "linkEmail": "اتصال ایمیل",
     "emailRequired": "ایمیل الزامی است",
+    "invalidEmail": "لطفا یک آدرس ایمیل معتبر وارد کنید",
     "passwordMinLength": "رمز عبور باید حداقل 8 کاراکتر باشد",
     "passwordsMismatch": "رمزهای عبور مطابقت ندارند",
     "passwordPlaceholder": "رمز عبور را وارد کنید",
diff --git a/src/locales/ru.json b/src/locales/ru.json
index f88820b..5ac0cda 100644
--- a/src/locales/ru.json
+++ b/src/locales/ru.json
@@ -61,6 +61,8 @@
     "email": "Email",
     "password": "Пароль",
     "confirmPassword": "Подтвердите пароль",
+    "firstName": "Имя",
+    "firstNamePlaceholder": "Ваше имя (необязательно)",
     "forgotPassword": "Забыли пароль?",
     "resetPassword": "Сбросить пароль",
     "loginWithTelegram": "Войти через Telegram",
@@ -76,7 +78,14 @@
     "tryAgain": "Попробовать снова",
     "welcomeBack": "Добро пожаловать!",
     "loginTitle": "Вход в личный кабинет",
-    "loginSubtitle": "Войдите через Telegram или используйте email"
+    "loginSubtitle": "Войдите через Telegram или используйте email",
+    "passwordMismatch": "Пароли не совпадают",
+    "passwordTooShort": "Пароль должен быть минимум 8 символов",
+    "invalidEmail": "Введите корректный email адрес",
+    "emailAlreadyRegistered": "Этот email уже зарегистрирован",
+    "invalidCredentials": "Неверный email или пароль",
+    "tooManyAttempts": "Слишком много попыток. Попробуйте позже",
+    "verificationEmailNotice": "После регистрации на вашу почту будет отправлено письмо для подтверждения"
   },
   "emailVerification": {
     "title": "Подтверждение email",
@@ -1880,6 +1889,7 @@
     "linkEmailDescription": "Привяжите email для входа без Telegram. После привязки на ваш email придёт письмо для подтверждения.",
     "linkEmail": "Привязать Email",
     "emailRequired": "Введите email",
+    "invalidEmail": "Введите корректный email адрес",
     "passwordMinLength": "Пароль должен быть минимум 8 символов",
     "passwordsMismatch": "Пароли не совпадают",
     "passwordPlaceholder": "Введите пароль",
diff --git a/src/locales/zh.json b/src/locales/zh.json
index 2f3b724..42a892b 100644
--- a/src/locales/zh.json
+++ b/src/locales/zh.json
@@ -670,6 +670,7 @@
     "linkEmailDescription": "绑定邮箱以便无需Telegram登录。绑定后将收到验证邮件。",
     "linkEmail": "绑定邮箱",
     "emailRequired": "请输入邮箱",
+    "invalidEmail": "请输入有效的电子邮件地址",
     "passwordMinLength": "密码至少8个字符",
     "passwordsMismatch": "密码不匹配",
     "passwordPlaceholder": "输入密码",