diff --git a/src/KeyKeeper/Views/CreateVaultDialog.axaml b/src/KeyKeeper/Views/CreateVaultDialog.axaml
index fe07713..05f83c2 100644
--- a/src/KeyKeeper/Views/CreateVaultDialog.axaml
+++ b/src/KeyKeeper/Views/CreateVaultDialog.axaml
@@ -54,12 +54,32 @@
                 <!-- Ввод мастер-пароля -->
                 <StackPanel Spacing="10">
                     <TextBlock Text="Master password" FontWeight="SemiBold" Foreground="Black" />
-                    <TextBox x:Name="PasswordBox"
-                             PasswordChar="*"
-                             Watermark="Enter password"
-                             Padding="10,8"/>
+
+                    <!-- Контейнер для поля пароля и индикатора -->
+                    <Grid RowDefinitions="Auto,Auto">
+                        <TextBox x:Name="PasswordBox"
+                                 Grid.Row="0"
+                                 PasswordChar="*"
+                                 Watermark="Enter password"
+                                 Padding="10,8"/>
+
+                        <!-- Индикатор надежности пароля -->
+                        <Border x:Name="PasswordStrengthIndicator"
+                                Grid.Row="1"
+                                Height="4"
+                                CornerRadius="2"
+                                Margin="0,5,0,0"
+                                Background="#ddd">
+                            <Border x:Name="PasswordStrengthFill"
+                                    Width="0"
+                                    Height="4"
+                                    HorizontalAlignment="Left"
+                                    CornerRadius="2" />
+                        </Border>
+                    </Grid>
                 </StackPanel>
 
+                <!-- Подтверждение пароля -->
                 <StackPanel Spacing="10">
                     <TextBlock Text="Confirm password" FontWeight="SemiBold" Foreground="Black" />
                     <TextBox x:Name="ConfirmPasswordBox"
@@ -91,4 +111,4 @@
             </StackPanel>
         </ScrollViewer>
     </Grid>
-</Window>
+</Window>
\ No newline at end of file
diff --git a/src/KeyKeeper/Views/CreateVaultDialog.axaml.cs b/src/KeyKeeper/Views/CreateVaultDialog.axaml.cs
index 2cb34c4..b9f4196 100644
--- a/src/KeyKeeper/Views/CreateVaultDialog.axaml.cs
+++ b/src/KeyKeeper/Views/CreateVaultDialog.axaml.cs
@@ -2,7 +2,10 @@
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
+using Avalonia.Media;
 using Avalonia.Platform.Storage;
+using System;
+using System.Text.RegularExpressions;
 
 namespace KeyKeeper.Views
 {
@@ -53,6 +56,68 @@ namespace KeyKeeper.Views
         {
             UpdateCreateButtonState();
             PasswordErrorText.IsVisible = false;
+
+            // Обновляем индикатор сложности пароля
+            string password = PasswordBox.Text ?? "";
+            UpdatePasswordStrengthIndicator(password);
+        }
+
+        private void UpdatePasswordStrengthIndicator(string password)
+        {
+            if (PasswordStrengthFill == null || PasswordStrengthIndicator == null)
+                return;
+
+            if (string.IsNullOrEmpty(password))
+            {
+                PasswordStrengthFill.Width = 0;
+                return;
+            }
+
+            int strength = CalculatePasswordStrength(password);
+
+            double maxWidth = PasswordStrengthIndicator.Bounds.Width;
+            if (maxWidth <= 0) maxWidth = 200;
+
+            PasswordStrengthFill.Width = (strength / 100.0) * maxWidth;
+
+            if (strength < 20)
+            {
+                PasswordStrengthFill.Background = new SolidColorBrush(Colors.Red);
+            }
+            else if (strength < 50)
+            {
+                PasswordStrengthFill.Background = new SolidColorBrush(Colors.Orange);
+            }
+            else if (strength < 70)
+            {
+                PasswordStrengthFill.Background = new SolidColorBrush(Colors.Gold);
+            }
+            else
+            {
+                PasswordStrengthFill.Background = new SolidColorBrush(Colors.Green);
+            }
+        }
+
+        private int CalculatePasswordStrength(string password)
+        {
+            int score = 0;
+
+            if (password.Length >= 8) score += 20;
+            if (password.Length >= 12) score += 20;
+            if (password.Length >= 16) score += 15;
+
+            if (Regex.IsMatch(password, @"\d")) score += 10;
+
+            if (Regex.IsMatch(password, @"[a-z]")) score += 15;
+
+            if (Regex.IsMatch(password, @"[A-Z]")) score += 15;
+
+            if (Regex.IsMatch(password, @"[!@#$%^&*()_+\-=\[\]{};':""\\|,.<>\/?]")) score += 20;
+
+            var uniqueChars = new System.Collections.Generic.HashSet<char>(password).Count;
+            score += Math.Min(20, uniqueChars * 2);
+
+            return Math.Min(100, score);
         }
 
         private void UpdateCreateButtonState()
diff --git a/src/KeyKeeper/Views/ErrorDialog.axaml b/src/KeyKeeper/Views/ErrorDialog.axaml
index 89faf82..fd9cfc2 100644
--- a/src/KeyKeeper/Views/ErrorDialog.axaml
+++ b/src/KeyKeeper/Views/ErrorDialog.axaml
@@ -32,16 +32,16 @@
             </StackPanel>
         </StackPanel>
 
-        <!-- Action Button -->
-        <Button Grid.Row="1"
-                x:Name="OkButton"
-                Content="Got it"
-                Click="Ok_Click"
-                IsDefault="True"
-                IsCancel="True"
-                HorizontalAlignment="Right"
-                Padding="25,8"
-                BorderThickness="0"
+        <!-- Action Button -->
+        <Button Grid.Row="1"
+                x:Name="OkButton"
+                Content="Got it"
+                Click="Ok_Click"
+                IsDefault="True"
+                IsCancel="True"
+                HorizontalAlignment="Right"
+                Padding="25,8"
+                BorderThickness="0"
                 CornerRadius="4"
                 Cursor="Hand">
             <Button.Styles>