set edgeToEdge ui mode

lib/main.dart

@@ -1,8 +1,18 @@
-import 'package:flutter/widgets.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:hiddify/bootstrap.dart';
 import 'package:hiddify/core/model/environment.dart';
 
 void main() async {
   final widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
+
+  SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
+  SystemChrome.setSystemUIOverlayStyle(
+    const SystemUiOverlayStyle(
+      statusBarColor: Colors.transparent,
+      systemNavigationBarColor: Colors.transparent,
+    ),
+  );
+
   return lazyBootstrap(widgetsBinding, Environment.dev);
 }