update theme

lib/features/favorites/presentation/widgets/favorite_product_card.dart

@@ -12,7 +12,7 @@ import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
 import 'package:shimmer/shimmer.dart';
 import 'package:worker/core/constants/ui_constants.dart';
-import 'package:worker/core/theme/colors.dart';
+import 'package:worker/core/theme/colors.dart'; // Keep for AppColors.danger and AppColors.white
 import 'package:worker/features/favorites/presentation/providers/favorites_provider.dart';
 import 'package:worker/features/products/domain/entities/product.dart';
 
@@ -76,6 +76,8 @@ class FavoriteProductCard extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final colorScheme = Theme.of(context).colorScheme;
+
     return Card(
       elevation: ProductCardSpecs.elevation,
       shape: RoundedRectangleBorder(
@@ -101,16 +103,16 @@ class FavoriteProductCard extends ConsumerWidget {
                     memCacheWidth: ImageSpecs.productImageCacheWidth,
                     memCacheHeight: ImageSpecs.productImageCacheHeight,
                     placeholder: (context, url) => Shimmer.fromColors(
-                      baseColor: AppColors.grey100,
-                      highlightColor: AppColors.grey50,
-                      child: Container(color: AppColors.grey100),
+                      baseColor: colorScheme.surfaceContainerHighest,
+                      highlightColor: colorScheme.surfaceContainerLowest,
+                      child: Container(color: colorScheme.surfaceContainerHighest),
                     ),
                     errorWidget: (context, url, error) => Container(
-                      color: AppColors.grey100,
-                      child: const FaIcon(
+                      color: colorScheme.surfaceContainerHighest,
+                      child: FaIcon(
                         FontAwesomeIcons.image,
                         size: 48.0,
-                        color: AppColors.grey500,
+                        color: colorScheme.onSurfaceVariant,
                       ),
                     ),
                   ),
@@ -122,7 +124,7 @@ class FavoriteProductCard extends ConsumerWidget {
                   right: AppSpacing.sm,
                   child: Container(
                     decoration: BoxDecoration(
-                      color: AppColors.white,
+                      color: colorScheme.surface,
                       shape: BoxShape.circle,
                       boxShadow: [
                         BoxShadow(
@@ -176,9 +178,9 @@ class FavoriteProductCard extends ConsumerWidget {
                 if (product.erpnextItemCode != null)
                   Text(
                     'Mã: ${product.erpnextItemCode}',
-                    style: const TextStyle(
+                    style: TextStyle(
                       fontSize: 12.0,
-                      color: AppColors.grey500,
+                      color: colorScheme.onSurfaceVariant,
                     ),
                     maxLines: 1,
                     overflow: TextOverflow.ellipsis,
@@ -189,10 +191,10 @@ class FavoriteProductCard extends ConsumerWidget {
                 // Price
                 Text(
                   _formatPrice(product.effectivePrice),
-                  style: const TextStyle(
+                  style: TextStyle(
                     fontSize: 16.0,
                     fontWeight: FontWeight.bold,
-                    color: AppColors.primaryBlue,
+                    color: colorScheme.primary,
                   ),
                 ),
 
@@ -208,9 +210,9 @@ class FavoriteProductCard extends ConsumerWidget {
                       context.push('/products/${product.productId}');
                     },
                     style: OutlinedButton.styleFrom(
-                      foregroundColor: AppColors.primaryBlue,
-                      side: const BorderSide(
-                        color: AppColors.primaryBlue,
+                      foregroundColor: colorScheme.primary,
+                      side: BorderSide(
+                        color: colorScheme.primary,
                         width: 1.5,
                       ),
                       elevation: 0,