✨implement light and dark theme

lib/views/tenders/tenders_screen.dart

@@ -1,9 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:tm_app/core/constants/strings.dart';
 
-import '../../core/constants/colors.dart';
+import '../../core/theme/colors.dart';
 import '../../core/utils/size_config.dart';
 import 'widgets/main_tenders_slider.dart';
-import 'widgets/widgets.dart';
 
 class TendersScreen extends StatefulWidget {
   const TendersScreen({super.key});
@@ -34,18 +34,16 @@ class _TendersScreenState extends State<TendersScreen>
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppColors.backgroundColor,
-      body: SafeArea(
-        child: SingleChildScrollView(
+    return SafeArea(
+      child: Scaffold(
+        backgroundColor: AppColors.backgroundColor,
+        appBar: _appbar(),
+        body: SingleChildScrollView(
           child: Padding(
             padding: EdgeInsets.symmetric(vertical: 24.0.h()),
             child: Column(
               children: [
-                TenderAppBar(),
-                SizedBox(height: 24.0.h()),
                 // MainTabBar(controller: controller),
-                SizedBox(height: 24.0.h()),
                 MainTendersSlider(),
               ],
             ),
@@ -54,4 +52,35 @@ class _TendersScreenState extends State<TendersScreen>
       ),
     );
   }
+
+  PreferredSize _appbar() {
+    return PreferredSize(
+      preferredSize: Size.fromHeight(56.0.h()),
+      child: Container(
+        color: AppColors.backgroundColor,
+        padding: EdgeInsets.symmetric(horizontal: 24.0.w()),
+        height: 56.0.h(),
+        width: double.infinity,
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(
+              AppStrings.tendersTitle,
+              style: TextStyle(
+                fontSize: 20,
+                fontWeight: FontWeight.bold,
+                color: AppColors.grey70,
+              ),
+            ),
+            Image.asset(
+              'assets/icons/tenderLogo.png',
+              width: 59.0.w(),
+              height: 28.0.h(),
+              fit: BoxFit.cover,
+            ),
+          ],
+        ),
+      ),
+    );
+  }
 }