update theme

lib/features/cart/presentation/widgets/payment_method_section.dart

@@ -7,7 +7,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:worker/core/constants/ui_constants.dart';
-import 'package:worker/core/theme/colors.dart';
 import 'package:worker/features/orders/domain/entities/payment_term.dart';
 
 /// Payment Method Section
@@ -25,13 +24,15 @@ class PaymentMethodSection extends HookWidget {
 
   @override
   Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
     // Show empty state if no payment terms available
     if (paymentTerms.isEmpty) {
       return Container(
         margin: const EdgeInsets.symmetric(horizontal: AppSpacing.md),
         padding: const EdgeInsets.all(AppSpacing.md),
         decoration: BoxDecoration(
-          color: Colors.white,
+          color: colorScheme.surface,
           borderRadius: BorderRadius.circular(AppRadius.card),
           boxShadow: [
             BoxShadow(
@@ -41,12 +42,12 @@ class PaymentMethodSection extends HookWidget {
             ),
           ],
         ),
-        child: const Center(
+        child: Center(
           child: Text(
             'Không có phương thức thanh toán khả dụng',
             style: TextStyle(
               fontSize: 14,
-              color: AppColors.grey500,
+              color: colorScheme.onSurfaceVariant,
             ),
           ),
         ),
@@ -57,7 +58,7 @@ class PaymentMethodSection extends HookWidget {
       margin: const EdgeInsets.symmetric(horizontal: AppSpacing.md),
       padding: const EdgeInsets.all(AppSpacing.md),
       decoration: BoxDecoration(
-        color: Colors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(AppRadius.card),
         boxShadow: [
           BoxShadow(
@@ -71,12 +72,12 @@ class PaymentMethodSection extends HookWidget {
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           // Section Title
-          const Text(
+          Text(
             'Phương thức thanh toán',
             style: TextStyle(
               fontSize: 18,
               fontWeight: FontWeight.bold,
-              color: Color(0xFF212121),
+              color: colorScheme.onSurface,
             ),
           ),
 
@@ -109,12 +110,12 @@ class PaymentMethodSection extends HookWidget {
                           onChanged: (value) {
                             paymentMethod.value = value!;
                           },
-                          activeColor: AppColors.primaryBlue,
+                          activeColor: colorScheme.primary,
                         ),
                         const SizedBox(width: 12),
                         Icon(
                           icon,
-                          color: AppColors.grey500,
+                          color: colorScheme.onSurfaceVariant,
                           size: 24,
                         ),
                         const SizedBox(width: 12),
@@ -132,9 +133,9 @@ class PaymentMethodSection extends HookWidget {
                               const SizedBox(height: 4),
                               Text(
                                 term.customDescription,
-                                style: const TextStyle(
+                                style: TextStyle(
                                   fontSize: 13,
-                                  color: AppColors.grey500,
+                                  color: colorScheme.onSurfaceVariant,
                                 ),
                               ),
                             ],