import 'package:flutter/material.dart'; class AppTheme { static const Color primaryColor = Color(0xFF1A73E8); static const Color secondaryColor = Color(0xFF009688); // 浅色主题 static final ThemeData lightTheme = ThemeData( useMaterial3: true, colorScheme: ColorScheme.fromSeed( seedColor: primaryColor, secondary: secondaryColor, brightness: Brightness.light, ), scaffoldBackgroundColor: Colors.grey.shade50, appBarTheme: const AppBarTheme( backgroundColor: Colors.white, foregroundColor: Colors.black, elevation: 0, ), cardTheme: CardThemeData( elevation: 2, shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(12), ), ), elevatedButtonTheme: ElevatedButtonThemeData( style: ElevatedButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8), ), ), ), outlinedButtonTheme: OutlinedButtonThemeData( style: OutlinedButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8), ), ), ), textButtonTheme: TextButtonThemeData( style: TextButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), ), ), inputDecorationTheme: InputDecorationTheme( border: OutlineInputBorder( borderRadius: BorderRadius.circular(8), ), contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16), ), floatingActionButtonTheme: const FloatingActionButtonThemeData( backgroundColor: primaryColor, foregroundColor: Colors.white, ), ); // 深色主题 static final ThemeData darkTheme = ThemeData( useMaterial3: true, colorScheme: ColorScheme.fromSeed( seedColor: primaryColor, secondary: secondaryColor, brightness: Brightness.dark, ), scaffoldBackgroundColor: const Color(0xFF121212), appBarTheme: const AppBarTheme( backgroundColor: Color(0xFF1E1E1E), foregroundColor: Colors.white, elevation: 0, ), cardTheme: CardThemeData( elevation: 2, shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(12), ), ), elevatedButtonTheme: ElevatedButtonThemeData( style: ElevatedButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8), ), ), ), outlinedButtonTheme: OutlinedButtonThemeData( style: OutlinedButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8), ), ), ), textButtonTheme: TextButtonThemeData( style: TextButton.styleFrom( padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), ), ), inputDecorationTheme: InputDecorationTheme( border: OutlineInputBorder( borderRadius: BorderRadius.circular(8), ), contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16), ), floatingActionButtonTheme: const FloatingActionButtonThemeData( backgroundColor: primaryColor, foregroundColor: Colors.white, ), ); }