优化

flutter_monisuo/lib/ui/components/asset_card.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
-import 'package:flutter_animate/flutter_animate.dart';
+import '../../core/theme/app_colors.dart';
 
 /// 资产卡片组件 - 用于显示资产总览
 class AssetCard extends StatelessWidget {
@@ -13,9 +13,9 @@ class AssetCard extends StatelessWidget {
   final Gradient? gradient;
   final VoidCallback? onTap;
 
-  // 默认渐变色
+  // 默认渐变色 - 使用品牌蓝
   static const defaultGradient = LinearGradient(
-    colors: [Color(0xFF00D4AA), Color(0xFF00B894)],
+    colors: [Color(0xFF2563EB), Color(0xFF1D4ED8)],
     begin: Alignment.topLeft,
     end: Alignment.bottomRight,
   );

flutter_monisuo/lib/ui/components/coin_card.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
+import '../../core/constants/app_colors.dart';
 
 /// 币种卡片组件 - 用于显示币种信息
 class CoinCard extends StatelessWidget {
@@ -11,10 +12,6 @@ class CoinCard extends StatelessWidget {
   final String? icon;
   final VoidCallback? onTap;
 
-  // 颜色常量
-  static const upColor = Color(0xFF00C853);
-  static const downColor = Color(0xFFFF5252);
-
   const CoinCard({
     super.key,
     required this.code,
@@ -78,13 +75,13 @@ class CoinCard extends StatelessWidget {
             Container(
               padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
               decoration: BoxDecoration(
-                color: isUp ? upColor.withOpacity(0.2) : downColor.withOpacity(0.2),
+                color: AppColors.getChangeBackgroundColor(isUp),
                 borderRadius: BorderRadius.circular(6),
               ),
               child: Text(
                 change,
                 style: TextStyle(
-                  color: isUp ? upColor : downColor,
+                  color: AppColors.getChangeColor(isUp),
                   fontWeight: FontWeight.w600,
                 ),
               ),

flutter_monisuo/lib/ui/pages/asset/asset_page.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:provider/provider.dart';
+import '../../../core/constants/app_colors.dart';
 import '../../../providers/asset_provider.dart';
 import '../../shared/ui_constants.dart';
 import '../orders/fund_orders_page.dart';

flutter_monisuo/lib/ui/pages/home/home_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:provider/provider.dart';
+import '../../../core/constants/app_colors.dart';
 import '../../../providers/asset_provider.dart';
 import '../../../providers/auth_provider.dart';
 import '../../shared/ui_constants.dart';

flutter_monisuo/lib/ui/pages/market/market_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:provider/provider.dart';
+import '../../../core/constants/app_colors.dart';
 import '../../../data/models/coin.dart';
 import '../../../providers/market_provider.dart';
 
@@ -97,7 +98,7 @@ class _MarketPageState extends State<MarketPage> with AutomaticKeepAliveClientMi
 
     return Container(
       height: 44,
-      margin: const EdgeInsets.symmetric(horizontal: 16),
+      margin: const EdgeInsets.fromLTRB(16, 0, 16, 16),
       child: Row(
         children: tabs.asMap().entries.map((entry) {
           final index = entry.key;
@@ -192,7 +193,7 @@ class _MarketPageState extends State<MarketPage> with AutomaticKeepAliveClientMi
       onRefresh: provider.refresh,
       color: theme.colorScheme.primary,
       child: ListView.builder(
-        padding: const EdgeInsets.symmetric(horizontal: 16),
+        padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
         itemCount: coins.length,
         itemBuilder: (context, index) => _buildCoinItem(coins[index]),
       ),
@@ -201,8 +202,6 @@ class _MarketPageState extends State<MarketPage> with AutomaticKeepAliveClientMi
 
   Widget _buildCoinItem(Coin coin) {
     final theme = ShadTheme.of(context);
-    final upColor = const Color(0xFF00C853);
-    final downColor = const Color(0xFFFF5252);
 
     return Padding(
       padding: const EdgeInsets.only(bottom: 8),
@@ -245,13 +244,13 @@ class _MarketPageState extends State<MarketPage> with AutomaticKeepAliveClientMi
             Container(
               padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
               decoration: BoxDecoration(
-                color: coin.isUp ? upColor.withValues(alpha: 0.2) : downColor.withValues(alpha: 0.2),
+                color: AppColors.getChangeBackgroundColor(coin.isUp),
                 borderRadius: BorderRadius.circular(6),
               ),
               child: Text(
                 coin.formattedChange,
                 style: TextStyle(
-                  color: coin.isUp ? upColor : downColor,
+                  color: AppColors.getChangeColor(coin.isUp),
                   fontWeight: FontWeight.w600,
                 ),
               ),

flutter_monisuo/lib/ui/pages/trade/trade_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 import 'package:provider/provider.dart';
+import '../../../core/constants/app_colors.dart';
 import '../../../data/models/coin.dart';
 import '../../../providers/market_provider.dart';
 import '../../../providers/asset_provider.dart';

flutter_monisuo/lib/ui/shared/ui_constants.dart

@@ -1,25 +1,21 @@
-import 'package:flutter/material.dart';
+/// UI 常量整合导出
+///
+/// 统一导出所有设计 token，方便使用
+/// 使用方式: import 'ui/shared/ui_constants.dart';
 
-/// 应用颜色常量
-class AppColors {
-  AppColors._();
+// 导出颜色系统
+export '../../core/constants/app_colors.dart';
 
-  static const Color up = Color(0xFF00C853);
-  static const Color down = Color(0xFFFF5252);
-  static const Color deposit = Color(0xFF00C853);
-  static const Color withdraw = Color(0xFFFF9800);
-  static const Color trade = Color(0xFF2196F3);
-
-  static const List<Color> gradientColors = [
-    Color(0xFF00D4AA),
-    Color(0xFF00B894),
-  ];
-}
+// 导出主题配置 (包含 AppTextStyles, AppSpacing, AppRadius, AppBreakpoints)
+export '../../core/theme/app_theme.dart';
 
 /// 表单验证器
+///
+/// 提供常用的表单验证方法
 class Validators {
   Validators._();
 
+  /// 金额验证
   static String? amount(String? value) {
     if (value == null || value.isEmpty) {
       return '请输入金额';
@@ -31,6 +27,7 @@ class Validators {
     return null;
   }
 
+  /// 价格验证
   static String? price(String? value) {
     if (value == null || value.isEmpty) {
       return '请输入价格';
@@ -42,6 +39,7 @@ class Validators {
     return null;
   }
 
+  /// 数量验证
   static String? quantity(String? value) {
     if (value == null || value.isEmpty) {
       return '请输入数量';
@@ -53,10 +51,45 @@ class Validators {
     return null;
   }
 
+  /// 必填字段验证
   static String? required(String? value, String fieldName) {
     if (value == null || value.isEmpty) {
       return '请输入$fieldName';
     }
     return null;
   }
+
+  /// 用户名验证
+  static String? username(String? value) {
+    if (value == null || value.isEmpty) {
+      return '请输入用户名';
+    }
+    if (value.length < 3) {
+      return '用户名至少 3 个字符';
+    }
+    return null;
+  }
+
+  /// 密码验证
+  static String? password(String? value) {
+    if (value == null || value.isEmpty) {
+      return '请输入密码';
+    }
+    if (value.length < 6) {
+      return '密码至少 6 个字符';
+    }
+    return null;
+  }
+
+  /// 邮箱验证
+  static String? email(String? value) {
+    if (value == null || value.isEmpty) {
+      return '请输入邮箱';
+    }
+    final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
+    if (!emailRegex.hasMatch(value)) {
+      return '请输入有效的邮箱地址';
+    }
+    return null;
+  }
 }