Add project files.

Admin/AdminLoginUC.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace SafeBagDE70.Admin
+{
+    /// <summary>
+    /// Interaction logic for AdminLoginUC.xaml
+    /// </summary>
+    public partial class AdminLoginUC : UserControl
+    {
+        public AdminLoginUC()
+        {
+            InitializeComponent();
+        }
+
+        private void LoginButton_Click(object sender, RoutedEventArgs e)
+        {
+            string username = UsernameTextBox.Text;
+            string password = PasswordBox.Password;
+
+            // Simple authentication logic
+            if (username == "admin" && password == "password") // Replace with actual logic
+            {
+                // Load Settings UserControl
+                var mainWindow = (MainWindow)Window.GetWindow(this);
+                //mainWindow.LoadUserControl(new SettingsUserControl());
+            }
+            else
+            {
+                MessageBox.Show("Invalid username or password.", "Login Failed", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+    }
+}