深色模式代码第二轮补充

lib/widgets/trend_chart.dart

@@ -1,11 +1,6 @@
 import 'package:flutter/material.dart';
+import '../theme/app_colors.dart';
 
-// --- 潘通色定义 ---
-const Color kHealthGreen = Color(0xFF00B140);
-const Color kHealthYellow = Color(0xFFEFDF00);
-const Color kHealthOrange = Color(0xFFD75A16);
-
-/// 趋势图柱状图组件
 class TrendChart extends StatelessWidget {
   final List<Map<String, dynamic>> data;
   final int designCap;
@@ -14,6 +9,8 @@ class TrendChart extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final c = context.colors;
+
     List<Map<String, dynamic>> displayData = data.isNotEmpty
         ? data
         : _getMockData();
@@ -48,12 +45,13 @@ class TrendChart extends StatelessWidget {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        const Text(
+        Text(
           '容量百分比变动趋势（近15天）',
           style: TextStyle(
             fontFamily: 'HarmonyOS_Sans_SC',
             fontSize: 16,
             fontWeight: FontWeight.w500,
+            color: c.textPrimary,
           ),
         ),
         const SizedBox(height: 8),
@@ -64,13 +62,13 @@ class TrendChart extends StatelessWidget {
               height: 180,
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                children: const [
+                children: [
                   Text(
                     '100',
                     style: TextStyle(
                       fontFamily: 'Flyme',
                       fontSize: 10,
-                      color: Colors.grey,
+                      color: c.textTertiary,
                       height: 1.0,
                     ),
                   ),
@@ -79,7 +77,7 @@ class TrendChart extends StatelessWidget {
                     style: TextStyle(
                       fontFamily: 'Flyme',
                       fontSize: 10,
-                      color: Colors.grey,
+                      color: c.textTertiary,
                       height: 1.0,
                     ),
                   ),
@@ -106,14 +104,14 @@ class TrendChart extends StatelessWidget {
                               Color barColor;
                               if (value > 0) {
                                 if (value >= 80) {
-                                  barColor = kHealthGreen;
+                                  barColor = c.healthGreen;
                                 } else if (value >= 70) {
-                                  barColor = kHealthYellow;
+                                  barColor = c.healthYellow;
                                 } else {
-                                  barColor = Colors.red;
+                                  barColor = c.healthRed;
                                 }
                               } else {
-                                barColor = Colors.grey.shade300;
+                                barColor = c.barEmpty;
                               }
                               double clampedValue = value.clamp(70.0, 100.0);
                               double heightFactor =
@@ -144,10 +142,10 @@ class TrendChart extends StatelessWidget {
                             bottom: 2,
                             child: Text(
                               sevenDaysAgoDate,
-                              style: const TextStyle(
+                              style: TextStyle(
                                 fontFamily: 'HarmonyOS_Sans_SC',
                                 fontSize: 9,
-                                color: Colors.grey,
+                                color: c.textTertiary,
                                 height: 1.0,
                               ),
                             ),
@@ -158,10 +156,10 @@ class TrendChart extends StatelessWidget {
                             bottom: 2,
                             child: Text(
                               todayDate,
-                              style: const TextStyle(
+                              style: TextStyle(
                                 fontFamily: 'HarmonyOS_Sans_SC',
                                 fontSize: 9,
-                                color: Colors.black,
+                                color: c.textPrimary,
                                 height: 1.0,
                                 fontWeight: FontWeight.w600,
                               ),
@@ -176,14 +174,14 @@ class TrendChart extends StatelessWidget {
           ],
         ),
         if (percents.every((v) => v == 0))
-          const Padding(
-            padding: EdgeInsets.only(top: 8.0),
+          Padding(
+            padding: const EdgeInsets.only(top: 8.0),
             child: Text(
               '暂无历史数据，请点击刷新按钮更新',
               style: TextStyle(
                 fontFamily: 'HarmonyOS_Sans_SC',
                 fontSize: 12,
-                color: Colors.grey,
+                color: c.textTertiary,
               ),
             ),
           ),