update theme

lib/features/price_policy/presentation/pages/price_policy_page.dart

@@ -38,24 +38,26 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
 
   @override
   Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
     return Scaffold(
-      backgroundColor: AppColors.grey50,
+      backgroundColor: colorScheme.surfaceContainerLowest,
       appBar: AppBar(
         leading: IconButton(
-          icon: const Icon(Icons.arrow_back, color: Colors.black),
+          icon: Icon(Icons.arrow_back, color: colorScheme.onSurface),
           onPressed: () => context.pop(),
         ),
-        title: const Text(
+        title: Text(
           'Chính sách giá',
-          style: TextStyle(color: Colors.black),
+          style: TextStyle(color: colorScheme.onSurface),
         ),
         elevation: AppBarSpecs.elevation,
-        backgroundColor: AppColors.white,
-        foregroundColor: AppColors.grey900,
+        backgroundColor: colorScheme.surface,
+        foregroundColor: colorScheme.onSurface,
         centerTitle: false,
         actions: [
           IconButton(
-            icon: const Icon(Icons.info_outline, color: Colors.black),
+            icon: Icon(Icons.info_outline, color: colorScheme.onSurface),
             onPressed: _showInfoDialog,
           ),
           const SizedBox(width: AppSpacing.sm),
@@ -69,16 +71,16 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
             child: Container(
               height: 40,
               decoration: BoxDecoration(
-                color: AppColors.grey100,
+                color: colorScheme.surfaceContainerHighest,
                 borderRadius: BorderRadius.circular(8),
               ),
               child: TabBar(
                 controller: _tabController,
-                labelColor: AppColors.white,
-                unselectedLabelColor: AppColors.grey900,
+                labelColor: colorScheme.surface,
+                unselectedLabelColor: colorScheme.onSurface,
                 indicatorSize: TabBarIndicatorSize.tab,
                 indicator: BoxDecoration(
-                  color: AppColors.primaryBlue,
+                  color: colorScheme.primary,
                   borderRadius: BorderRadius.circular(8),
                 ),
                 dividerColor: Colors.transparent,
@@ -115,24 +117,25 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
   }
 
   Widget _buildDocumentList(DocumentCategory category) {
+    final colorScheme = Theme.of(context).colorScheme;
     final documentsAsync = ref.watch(filteredPriceDocumentsProvider(category));
 
     return documentsAsync.when(
       data: (documents) {
         if (documents.isEmpty) {
-          return const Center(
+          return Center(
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
                 Icon(
                   Icons.description_outlined,
                   size: 64,
-                  color: AppColors.grey500,
+                  color: colorScheme.onSurfaceVariant,
                 ),
-                SizedBox(height: AppSpacing.md),
+                const SizedBox(height: AppSpacing.md),
                 Text(
                   'Chưa có tài liệu',
-                  style: TextStyle(fontSize: 16, color: AppColors.grey500),
+                  style: TextStyle(fontSize: 16, color: colorScheme.onSurfaceVariant),
                 ),
               ],
             ),
@@ -166,11 +169,11 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Icon(Icons.error_outline, size: 64, color: AppColors.danger),
+            const Icon(Icons.error_outline, size: 64, color: AppColors.danger),
             const SizedBox(height: AppSpacing.md),
             Text(
               'Không thể tải tài liệu',
-              style: TextStyle(fontSize: 16, color: AppColors.grey500),
+              style: TextStyle(fontSize: 16, color: colorScheme.onSurfaceVariant),
             ),
             const SizedBox(height: AppSpacing.sm),
             ElevatedButton(

lib/features/price_policy/presentation/widgets/document_card.dart

@@ -16,11 +16,13 @@ class DocumentCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+
     return Container(
       decoration: BoxDecoration(
-        color: AppColors.white,
+        color: colorScheme.surface,
         borderRadius: BorderRadius.circular(12),
-        border: Border.all(color: AppColors.grey100),
+        border: Border.all(color: colorScheme.surfaceContainerHighest),
         boxShadow: [
           BoxShadow(
             color: Colors.black.withValues(alpha: 0.05),
@@ -47,15 +49,15 @@ class DocumentCard extends StatelessWidget {
                     children: [
                       Row(
                         children: [
-                          _buildIcon(),
+                          _buildIcon(colorScheme),
                           const SizedBox(width: AppSpacing.md),
-                          Expanded(child: _buildInfo()),
+                          Expanded(child: _buildInfo(colorScheme)),
                         ],
                       ),
                       const SizedBox(height: AppSpacing.md),
                       SizedBox(
                         width: double.infinity,
-                        child: _buildDownloadButton(),
+                        child: _buildDownloadButton(colorScheme),
                       ),
                     ],
                   );
@@ -63,11 +65,11 @@ class DocumentCard extends StatelessWidget {
 
                 return Row(
                   children: [
-                    _buildIcon(),
+                    _buildIcon(colorScheme),
                     const SizedBox(width: AppSpacing.md),
-                    Expanded(child: _buildInfo()),
+                    Expanded(child: _buildInfo(colorScheme)),
                     const SizedBox(width: AppSpacing.md),
-                    _buildDownloadButton(),
+                    _buildDownloadButton(colorScheme),
                   ],
                 );
               },
@@ -78,7 +80,7 @@ class DocumentCard extends StatelessWidget {
     );
   }
 
-  Widget _buildIcon() {
+  Widget _buildIcon(ColorScheme colorScheme) {
     final iconData = document.isPdf ? Icons.picture_as_pdf : Icons.table_chart;
     final iconColor = document.isPdf
         ? Colors.red.shade600
@@ -88,46 +90,46 @@ class DocumentCard extends StatelessWidget {
       width: 50,
       height: 50,
       decoration: BoxDecoration(
-        color: AppColors.grey50,
+        color: colorScheme.surfaceContainerLowest,
         borderRadius: BorderRadius.circular(8),
       ),
       child: Icon(iconData, size: 28, color: iconColor),
     );
   }
 
-  Widget _buildInfo() {
+  Widget _buildInfo(ColorScheme colorScheme) {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
         Text(
           document.title,
-          style: const TextStyle(
+          style: TextStyle(
             fontSize: 16,
             fontWeight: FontWeight.w600,
-            color: AppColors.grey900,
+            color: colorScheme.onSurface,
           ),
         ),
         const SizedBox(height: 4),
         Row(
           children: [
-            const Icon(
+            Icon(
               Icons.calendar_today,
               size: 13,
-              color: AppColors.grey500,
+              color: colorScheme.onSurfaceVariant,
             ),
             const SizedBox(width: 4),
             Text(
               document.formattedDateWithPrefix,
-              style: const TextStyle(fontSize: 13, color: AppColors.grey500),
+              style: TextStyle(fontSize: 13, color: colorScheme.onSurfaceVariant),
             ),
           ],
         ),
         const SizedBox(height: 6),
         Text(
           document.title,
-          style: const TextStyle(
+          style: TextStyle(
             fontSize: 14,
-            color: AppColors.grey500,
+            color: colorScheme.onSurfaceVariant,
             height: 1.4,
           ),
           maxLines: 2,
@@ -137,9 +139,9 @@ class DocumentCard extends StatelessWidget {
     );
   }
 
-  Widget _buildDownloadButton() {
+  Widget _buildDownloadButton(ColorScheme colorScheme) {
     final isDownloaded = document.filePath != null;
-    final buttonColor = isDownloaded ? AppColors.success : AppColors.primaryBlue;
+    final buttonColor = isDownloaded ? AppColors.success : colorScheme.primary;
     final buttonIcon = isDownloaded ? Icons.folder_open : Icons.download;
     final buttonText = isDownloaded ? 'Mở file' : 'Tải về';