diff --git a/yobble/Resources/Localizable.xcstrings b/yobble/Resources/Localizable.xcstrings
index 6f9df50..bdffb2b 100644
--- a/yobble/Resources/Localizable.xcstrings
+++ b/yobble/Resources/Localizable.xcstrings
@@ -282,9 +282,6 @@
     },
     "Введите логин и мы отправим шестизначный код подтверждения." : {
 
-    },
-    "Введите логин." : {
-
     },
     "Введите пароль" : {
       "comment" : "Пароль\nПоле ввода пароля на приложение"
diff --git a/yobble/ViewModels/LoginViewModel.swift b/yobble/ViewModels/LoginViewModel.swift
index 44a794b..cd0aa14 100644
--- a/yobble/ViewModels/LoginViewModel.swift
+++ b/yobble/ViewModels/LoginViewModel.swift
@@ -155,14 +155,14 @@ class LoginViewModel: ObservableObject {
     }
 
     func requestPasswordlessCode() {
-        let trimmedLogin = passwordlessLogin.trimmingCharacters(in: .whitespacesAndNewlines)
-
-        guard !trimmedLogin.isEmpty else {
-            errorMessage = NSLocalizedString("Введите логин.", comment: "")
+        guard LoginViewModel.isLoginValid(passwordlessLogin) else {
+            errorMessage = NSLocalizedString("Неверный логин", comment: "")
             showError = true
             return
         }
 
+        let trimmedLogin = passwordlessLogin.trimmingCharacters(in: .whitespacesAndNewlines)
+
         isSendingCode = true
         showError = false
 
@@ -369,12 +369,19 @@ extension LoginViewModel {
     }
 
     var canRequestPasswordlessCode: Bool {
-        !passwordlessLogin.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty && !isSendingCode
+        LoginViewModel.isLoginValid(passwordlessLogin) && !isSendingCode
     }
 
     var canVerifyPasswordlessCode: Bool {
         isVerificationCodeComplete && !isVerifyingCode
     }
+
+    static func isLoginValid(_ login: String) -> Bool {
+        let trimmed = login.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard trimmed == login else { return false }
+        let pattern = "^[A-Za-z0-9_]{3,32}$"
+        return trimmed.range(of: pattern, options: .regularExpression) != nil
+    }
 }
 
 private extension LoginViewModel {
diff --git a/yobble/Views/Login/LoginView.swift b/yobble/Views/Login/LoginView.swift
index 73f1e7a..090bac7 100644
--- a/yobble/Views/Login/LoginView.swift
+++ b/yobble/Views/Login/LoginView.swift
@@ -109,8 +109,7 @@ struct PasswordLoginView: View {
     }
 
     private var isUsernameValid: Bool {
-        let pattern = "^[A-Za-z0-9_]{3,32}$"
-        return viewModel.username.range(of: pattern, options: .regularExpression) != nil
+        LoginViewModel.isLoginValid(viewModel.username)
     }
 
     private var isPasswordValid: Bool {
@@ -391,6 +390,10 @@ private struct PasswordlessRequestView: View {
     let onShowModePrompt: () -> Void
     @FocusState private var isFieldFocused: Bool
 
+    private var isLoginValid: Bool {
+        LoginViewModel.isLoginValid(viewModel.passwordlessLogin)
+    }
+
     var body: some View {
         ScrollView(showsIndicators: false) {
             VStack(alignment: .leading, spacing: 24) {
@@ -419,10 +422,15 @@ private struct PasswordlessRequestView: View {
                         .cornerRadius(12)
                         .focused($isFieldFocused)
                         .onChange(of: viewModel.passwordlessLogin) { newValue in
-                            if newValue.count > 64 {
-                                viewModel.passwordlessLogin = String(newValue.prefix(64))
+                            if newValue.count > 32 {
+                                viewModel.passwordlessLogin = String(newValue.prefix(32))
                             }
                         }
+                    if !isLoginValid && !viewModel.passwordlessLogin.isEmpty {
+                        Text(NSLocalizedString("Неверный логин", comment: ""))
+                            .foregroundColor(.red)
+                            .font(.caption)
+                    }
                 }
 
                 Button {