removed decorations from title bar and chaged constant colors to themes

lib/features/accounts/screens/account_info_screen.dart

@@ -32,35 +32,9 @@ class _AccountInfoScreen extends State<AccountInfoScreen> {
     int selectedIndex = widget.selectedIndex;
     return Scaffold(
       appBar: AppBar(
-        leading: IconButton(
-          icon: const Icon(Symbols.arrow_back_ios_new),
-          onPressed: () {
-            Navigator.pop(context);
-          },
-        ),
         title: Text(
           AppLocalizations.of(context).accountInfo,
-          style: const TextStyle(
-            color: Colors.black,
-            fontWeight: FontWeight.w500,
-          ),
         ),
-        centerTitle: false,
-        actions: [
-          Padding(
-            padding: const EdgeInsets.only(right: 10.0),
-            child: CircleAvatar(
-              backgroundColor: Colors.grey[200],
-              radius: 20,
-              child: SvgPicture.asset(
-                'assets/images/avatar_male.svg',
-                width: 40,
-                height: 40,
-                fit: BoxFit.cover,
-              ),
-            ),
-          ),
-        ],
       ),
       body: ListView(
         padding: const EdgeInsets.all(16.0),
@@ -70,7 +44,6 @@ class _AccountInfoScreen extends State<AccountInfoScreen> {
             style: const TextStyle(fontWeight: FontWeight.w500, fontSize: 14),
           ),
 
-          /// Dropdown to change account
           DropdownButton<User>(
             value: selectedUser,
             onChanged: (User? newUser) {
@@ -130,6 +103,7 @@ class InfoRow extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final theme = Theme.of(context);
     return Container(
       width: double.infinity,
       margin: const EdgeInsets.symmetric(vertical: 8),
@@ -138,16 +112,16 @@ class InfoRow extends StatelessWidget {
         children: [
           Text(
             title,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 15,
               fontWeight: FontWeight.w500,
-              color: Colors.black87,
+              color: theme.colorScheme.onSurfaceVariant,
             ),
           ),
           const SizedBox(height: 3),
           Text(
             value,
-            style: const TextStyle(fontSize: 16, color: Colors.black),
+            style: TextStyle(fontSize: 16, color: theme.colorScheme.onSurface),
           ),
         ],
       ),