适配深色模式

lib/pages/book/book_excerpts_page.dart

@@ -41,8 +41,9 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
 
   @override
   Widget build(BuildContext context) {
+    final colors = Theme.of(context).colorScheme;
     return Scaffold(
-      backgroundColor: Colors.white,
+      backgroundColor: colors.surface,
       appBar: AppBar(
         title: const Text('摘抄'),
         actions: [
@@ -62,6 +63,7 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
   }
 
   Widget _buildEmptyState() {
+    final colors = Theme.of(context).colorScheme;
     return Center(
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,
@@ -70,21 +72,21 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
             width: 80,
             height: 80,
             decoration: BoxDecoration(
-              color: const Color(0xFFF5F5F5),
+              color: colors.surfaceContainerHighest,
               borderRadius: BorderRadius.circular(20),
             ),
-            child: const Icon(
+            child: Icon(
               Icons.format_quote_outlined,
               size: 40,
-              color: Color(0xFFCCCCCC),
+              color: colors.onSurface.withValues(alpha: 0.25),
             ),
           ),
           const SizedBox(height: 20),
-          const Text(
+          Text(
             '暂无摘抄',
             style: TextStyle(
               fontSize: 16,
-              color: Color(0xFF999999),
+              color: colors.onSurface.withValues(alpha: 0.4),
             ),
           ),
           const SizedBox(height: 24),
@@ -93,15 +95,15 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
             child: Container(
               padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
               decoration: BoxDecoration(
-                color: const Color(0xFF1A1A1A),
+                color: colors.primary,
                 borderRadius: BorderRadius.circular(8),
               ),
-              child: const Text(
+              child: Text(
                 '添加记录',
                 style: TextStyle(
                   fontSize: 14,
                   fontWeight: FontWeight.w500,
-                  color: Colors.white,
+                  color: colors.onPrimary,
                 ),
               ),
             ),
@@ -114,7 +116,7 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
   /// 按章节分组摘抄数据
   Map<String, List<BookExcerpt>> _groupExcerptsByChapter() {
     final Map<String, List<BookExcerpt>> groups = {};
-    
+
     for (final excerpt in _excerpts) {
       final chapter = excerpt.chapter.isEmpty ? '未分类' : excerpt.chapter;
       if (!groups.containsKey(chapter)) {
@@ -122,19 +124,19 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
       }
       groups[chapter]!.add(excerpt);
     }
-    
+
     // 每个章节内的摘抄按时间排序（新的在前）
     for (final chapter in groups.keys) {
       groups[chapter]!.sort((a, b) => b.createdAt.compareTo(a.createdAt));
     }
-    
+
     return groups;
   }
 
   Widget _buildExcerptList() {
     final groups = _groupExcerptsByChapter();
     final chapters = groups.keys.toList();
-    
+
     return ListView.builder(
       padding: const EdgeInsets.all(16),
       itemCount: chapters.length,
@@ -147,6 +149,7 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
   }
 
   Widget _buildChapterSection(String chapter, List<BookExcerpt> excerpts) {
+    final colors = Theme.of(context).colorScheme;
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
@@ -154,18 +157,18 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
         Container(
           width: double.infinity,
           padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
-          decoration: const BoxDecoration(
-            color: Color(0xFFF5F5F5),
+          decoration: BoxDecoration(
+            color: colors.surfaceContainerHighest,
             border: Border(
-              left: BorderSide(color: Color(0xFF1A1A1A), width: 4),
+              left: BorderSide(color: colors.primary, width: 4),
             ),
           ),
           child: Text(
             chapter,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 14,
               fontWeight: FontWeight.w600,
-              color: Color(0xFF1A1A1A),
+              color: colors.onSurface,
             ),
           ),
         ),
@@ -178,11 +181,12 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
   }
 
   Widget _buildExcerptItem(BookExcerpt excerpt) {
+    final colors = Theme.of(context).colorScheme;
     return Container(
       margin: const EdgeInsets.only(bottom: 8),
       padding: const EdgeInsets.all(12),
       decoration: BoxDecoration(
-        border: Border.all(color: const Color(0xFFE5E5E5)),
+        border: Border.all(color: colors.outline),
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -192,9 +196,9 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
             excerpt.content,
             maxLines: 3,
             overflow: TextOverflow.ellipsis,
-            style: const TextStyle(
+            style: TextStyle(
               fontSize: 14,
-              color: Color(0xFF1A1A1A),
+              color: colors.onSurface,
               height: 1.5,
             ),
           ),
@@ -205,16 +209,16 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
             Container(
               width: double.infinity,
               padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
-              decoration: const BoxDecoration(
-                color: Color(0xFFF5F5F5),
+              decoration: BoxDecoration(
+                color: colors.surfaceContainerHighest,
               ),
               child: Text(
                 excerpt.comment,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
-                style: const TextStyle(
+                style: TextStyle(
                   fontSize: 12,
-                  color: Color(0xFF666666),
+                  color: colors.onSurface.withValues(alpha: 0.6),
                 ),
               ),
             ),
@@ -227,29 +231,29 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
             children: [
               Text(
                 _formatDate(excerpt.createdAt),
-                style: const TextStyle(
+                style: TextStyle(
                   fontSize: 11,
-                  color: Color(0xFF999999),
+                  color: colors.onSurface.withValues(alpha: 0.4),
                 ),
               ),
               const Spacer(),
               // 编辑按钮
               GestureDetector(
                 onTap: () => _navigateToEditExcerpt(excerpt),
-                child: const Icon(
+                child: Icon(
                   Icons.edit_outlined,
                   size: 16,
-                  color: Color(0xFF999999),
+                  color: colors.onSurface.withValues(alpha: 0.4),
                 ),
               ),
               const SizedBox(width: 12),
               // 删除按钮
               GestureDetector(
                 onTap: () => _showDeleteDialog(excerpt),
-                child: const Icon(
+                child: Icon(
                   Icons.delete_outline,
                   size: 16,
-                  color: Colors.red,
+                  color: colors.error,
                 ),
               ),
             ],
@@ -287,28 +291,31 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
   void _showDeleteDialog(BookExcerpt excerpt) {
     showDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        backgroundColor: Colors.white,
-        elevation: 0,
-        shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
-        title: const Text('确认删除'),
-        content: const Text('确定要删除这条摘抄吗？'),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
-          ),
-          TextButton(
-            onPressed: () async {
-              await context.read<AppProvider>().removeBookExcerpt(excerpt.id);
-              Navigator.pop(context);
-              _loadExcerpts();
-              ToastUtil.show(context, '已删除');
-            },
-            child: const Text('删除', style: TextStyle(color: Colors.red)),
-          ),
-        ],
-      ),
+      builder: (context) {
+        final colors = Theme.of(context).colorScheme;
+        return AlertDialog(
+          backgroundColor: colors.surface,
+          elevation: 0,
+          shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
+          title: const Text('确认删除'),
+          content: const Text('确定要删除这条摘抄吗？'),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context),
+              child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6))),
+            ),
+            TextButton(
+              onPressed: () async {
+                await context.read<AppProvider>().removeBookExcerpt(excerpt.id);
+                Navigator.pop(context);
+                _loadExcerpts();
+                ToastUtil.show(context, '已删除');
+              },
+              child: Text('删除', style: TextStyle(color: colors.error)),
+            ),
+          ],
+        );
+      },
     );
   }
 }