优化编辑界面功能

lib/pages/home/home_page.dart

@@ -477,9 +477,6 @@ class _DesktopIconRail extends StatelessWidget {
             ],
           ),
         ),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('关闭')),
-        ],
       ),
     );
   }
@@ -637,9 +634,6 @@ class _EncounterDialog extends StatelessWidget {
           },
         ),
       ),
-      actions: [
-        TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-      ],
     );
   }
 
@@ -1064,13 +1058,6 @@ class _StrollDialogState extends State<_StrollDialog> {
                       ),
               ),
             ),
-            // 底部按钮
-            Padding(
-              padding: const EdgeInsets.fromLTRB(16, 0, 16, 12),
-              child: Row(mainAxisAlignment: MainAxisAlignment.end, children: [
-                TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-              ]),
-            ),
           ],
         ),
       ),
@@ -1332,9 +1319,6 @@ class _CalendarDialogState extends State<_CalendarDialog> {
           ],
         ),
       ),
-      actions: [
-        TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-      ],
     );
   }
 
@@ -1631,9 +1615,6 @@ class _PersonListDialogState extends State<_PersonListDialog> {
           ],
         ),
       ),
-      actions: [
-        TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-      ],
     );
   }
 
@@ -2496,9 +2477,6 @@ class _BackupChoiceDialogState extends State<_BackupChoiceDialog> {
             ? const _LocalBackupContent()
             : const _WebDAVBackupContent(),
       ),
-      actions: [
-        TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-      ],
     );
   }
 
@@ -3271,9 +3249,6 @@ class _RecycleBinDialogState extends State<_RecycleBinDialog> {
                 ),
               ]),
       ),
-      actions: [
-        TextButton(onPressed: () => Navigator.pop(context), child: const Text('关闭')),
-      ],
     );
   }
 

lib/pages/note/note_detail_page.dart

@@ -401,6 +401,7 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
   }
 
   Widget _buildEditArea(ColorScheme colors, Note note) {
+    final isWin = Platform.isWindows;
     return Column(children: [
       // 标题输入
       Container(
@@ -410,9 +411,54 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
           style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: colors.onSurface),
           decoration: InputDecoration(hintText: '添加标题',
             hintStyle: TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: colors.onSurface.withValues(alpha: 0.2)),
-            border: InputBorder.none, isDense: true, contentPadding: EdgeInsets.zero),
+            border: InputBorder.none, enabledBorder: InputBorder.none, focusedBorder: InputBorder.none, isDense: true, contentPadding: EdgeInsets.zero),
           onChanged: (_) => setState(() {})),
       ),
+      // Windows: 标签栏移到标题下方（靠左）
+      if (isWin)
+        Container(
+          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
+          decoration: BoxDecoration(border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5))),
+          child: Align(
+            alignment: Alignment.centerLeft,
+            child: SingleChildScrollView(
+              scrollDirection: Axis.horizontal,
+              child: Row(mainAxisSize: MainAxisSize.min, children: [
+                for (int i = 0; i < _editTags.length; i++)
+                  Padding(
+                    padding: const EdgeInsets.only(right: 4),
+                    child: Container(
+                      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                      decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
+                      child: Row(mainAxisSize: MainAxisSize.min, children: [
+                        Text(_editTags[i], style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.6))),
+                        const SizedBox(width: 3),
+                        GestureDetector(
+                          onTap: () => setState(() => _editTags.removeAt(i)),
+                          child: Icon(Icons.close, size: 10, color: colors.onSurface.withValues(alpha: 0.3)),
+                        ),
+                      ]),
+                    ),
+                  ),
+                GestureDetector(
+                  onTap: _showEditTagPanel,
+                  child: Container(
+                    padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
+                    decoration: BoxDecoration(
+                      borderRadius: BorderRadius.circular(6),
+                      border: Border.all(color: colors.onSurface.withValues(alpha: 0.25), width: 1),
+                    ),
+                    child: Row(mainAxisSize: MainAxisSize.min, children: [
+                      Icon(Icons.add, size: 12, color: colors.onSurface.withValues(alpha: 0.35)),
+                      const SizedBox(width: 2),
+                      Text('标签', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35))),
+                    ]),
+                  ),
+                ),
+              ]),
+            ),
+          ),
+        ),
       // 内容编辑
       Expanded(
         child: TextField(controller: _contentCtrl, maxLines: null, expands: true,
@@ -421,12 +467,14 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
           style: TextStyle(fontSize: 14, color: colors.onSurface, height: 1.6),
           decoration: InputDecoration(hintText: '使用 Markdown 格式书写...',
             hintStyle: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.25), height: 1.6),
-            border: InputBorder.none, contentPadding: const EdgeInsets.all(16)),
+            border: InputBorder.none, enabledBorder: InputBorder.none, focusedBorder: InputBorder.none,
+            contentPadding: const EdgeInsets.all(16)),
           onChanged: (_) => _onContentChanged()),
       ),
       // 图片网格
       if (_editImages.isNotEmpty) _buildEditImageGrid(colors),
-      // 标签 + 字数 + 工具栏
+      // 底部标签 + 字数 + 工具栏（仅非 Windows）
+      if (!isWin)
         Container(
           padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
           decoration: BoxDecoration(border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5))),
@@ -477,6 +525,15 @@ class _NoteDetailPageState extends State<NoteDetailPage> {
             ]),
           ]),
         ),
+      // Windows: 底部只显示字数
+      if (isWin)
+        Container(
+          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
+          decoration: BoxDecoration(border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5))),
+          child: Row(mainAxisAlignment: MainAxisAlignment.end, children: [
+            Text('${_contentCtrl.text.length} 字', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3))),
+          ]),
+        ),
     ]);
   }