new targets

lib/screens/home_screen.dart

@@ -8,6 +8,7 @@ import '../widgets/bottom_nav.dart';
 import 'camera_screen.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import '../utils/translations.dart';
+import '../utils/target_colors.dart';
 
 
 class HomeScreen extends StatefulWidget {
@@ -20,6 +21,8 @@ class HomeScreen extends StatefulWidget {
 class _HomeScreenState extends State<HomeScreen> {
   int _selectedIndex = 1; // Default to Shooting Screen
   String _selectedLanguage = 'English';
+  String _selectedTarget = 'assets/target.png';
+  late Color _backgroundColor;
 
   static final List<Widget> _pages = <Widget>[
     BookScreen(),
@@ -40,7 +43,10 @@ class _HomeScreenState extends State<HomeScreen> {
   @override
   void initState() {
     super.initState();
+    // Initialize with default target background color
+    _backgroundColor = TargetColors.getBackgroundColor('assets/target.png');
     _loadLanguage();
+    _loadSelectedTarget();
   }
 
   String _t(String key) {
@@ -54,6 +60,15 @@ class _HomeScreenState extends State<HomeScreen> {
     });
   }
 
+  Future<void> _loadSelectedTarget() async {
+    final prefs = await SharedPreferences.getInstance();
+    final selectedTarget = prefs.getString('selectedTarget') ?? 'assets/target.png';
+    setState(() {
+      _selectedTarget = selectedTarget;
+      _backgroundColor = TargetColors.getBackgroundColor(selectedTarget);
+    });
+  }
+
   void _onItemTapped(int index) {
     if (index == 2) {
       _openCameraScan();
@@ -114,6 +129,7 @@ class _HomeScreenState extends State<HomeScreen> {
           ),
         ],
       ),
+      backgroundColor: _backgroundColor,
       body: _pages[_selectedIndex],
       bottomNavigationBar: BottomNavBar(
         selectedIndex: _selectedIndex,