import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; /// 极简主义主题配置 class AppTheme { // 中性色板 - 黑白灰为主 static const Color _black = Color(0xFF1A1A1A); static const Color _darkGray = Color(0xFF333333); static const Color _gray = Color(0xFF666666); static const Color _lightGray = Color(0xFF999999); static const Color _lighterGray = Color(0xFFE5E5E5); static const Color _offWhite = Color(0xFFF5F5F5); static const Color _white = Color(0xFFFFFFFF); // 强调色 - 仅用于关键操作 static const Color accent = Color(0xFF0066FF); static const Color error = Color(0xFFDC2626); // 观影状态颜色 - 极简处理 static const Color watched = Color(0xFF1A1A1A); // 已看 - 纯黑 static const Color wantToWatch = Color(0xFF999999); // 想看 - 浅灰 static const Color watching = Color(0xFF666666); // 在看 - 中灰 // 阅读状态颜色 - 极简处理 static const Color readColor = Color(0xFF1A1A1A); // 已读 - 纯黑 static const Color wantToReadColor = Color(0xFF999999); // 想读 - 浅灰 static const Color readingColor = Color(0xFF666666); // 在读 - 中灰 // 字体配置 static const String _fontFamily = 'Inter'; // 字重 static const FontWeight _regular = FontWeight.w400; static const FontWeight _medium = FontWeight.w500; static const FontWeight _semibold = FontWeight.w600; // 亮色主题 - 极简主义 static ThemeData get lightTheme { return ThemeData( useMaterial3: true, brightness: Brightness.light, scaffoldBackgroundColor: _white, // 颜色方案 colorScheme: const ColorScheme.light( primary: _black, onPrimary: _white, secondary: _darkGray, onSecondary: _white, surface: _white, onSurface: _black, error: error, onError: _white, surfaceContainerHighest: _offWhite, surfaceContainerHigh: Color(0xFFFAFAFA), outline: _lighterGray, outlineVariant: Color(0xFFF0F0F0), ), // AppBar - 极简无边框 appBarTheme: const AppBarTheme( backgroundColor: _white, foregroundColor: _black, elevation: 0, centerTitle: false, titleSpacing: 24, titleTextStyle: TextStyle( fontFamily: _fontFamily, fontSize: 18, fontWeight: _semibold, color: _black, letterSpacing: -0.3, ), ), // 卡片 - 无阴影，细边框 cardTheme: CardThemeData( color: _white, elevation: 0, shape: RoundedRectangleBorder( borderRadius: BorderRadius.zero, side: BorderSide(color: _lighterGray, width: 0.5), ), margin: EdgeInsets.zero, ), // 列表瓦片 listTileTheme: const ListTileThemeData( contentPadding: EdgeInsets.symmetric(horizontal: 24, vertical: 16), minLeadingWidth: 0, dense: true, ), // 分割线 - 极细 dividerTheme: DividerThemeData( color: _lighterGray, thickness: 0.5, space: 0, ), // 输入框 - 无边框，底部线 inputDecorationTheme: InputDecorationTheme( filled: false, border: UnderlineInputBorder( borderSide: BorderSide(color: _lighterGray, width: 0.5), ), enabledBorder: UnderlineInputBorder( borderSide: BorderSide(color: _lighterGray, width: 0.5), ), focusedBorder: UnderlineInputBorder( borderSide: BorderSide(color: _black, width: 1), ), errorBorder: UnderlineInputBorder( borderSide: BorderSide(color: error, width: 0.5), ), contentPadding: EdgeInsets.symmetric(vertical: 12), hintStyle: TextStyle( fontFamily: _fontFamily, fontSize: 15, fontWeight: _regular, color: _lightGray, ), labelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 13, fontWeight: _medium, color: _gray, ), ), // 按钮 - 文字按钮为主 elevatedButtonTheme: ElevatedButtonThemeData( style: ElevatedButton.styleFrom( backgroundColor: _black, foregroundColor: _white, elevation: 0, padding: EdgeInsets.symmetric(horizontal: 24, vertical: 14), shape: RoundedRectangleBorder(borderRadius: BorderRadius.zero), textStyle: TextStyle( fontFamily: _fontFamily, fontSize: 14, fontWeight: _medium, letterSpacing: 0.3, ), ), ), textButtonTheme: TextButtonThemeData( style: TextButton.styleFrom( foregroundColor: _black, padding: EdgeInsets.symmetric(horizontal: 16, vertical: 8), textStyle: TextStyle( fontFamily: _fontFamily, fontSize: 14, fontWeight: _medium, ), ), ), // 底部导航 bottomNavigationBarTheme: const BottomNavigationBarThemeData( backgroundColor: _white, selectedItemColor: _black, unselectedItemColor: _lightGray, elevation: 0, type: BottomNavigationBarType.fixed, selectedLabelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _medium, ), unselectedLabelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _regular, ), ), // 文字主题 textTheme: const TextTheme( // 大标题 headlineLarge: TextStyle( fontFamily: _fontFamily, fontSize: 32, fontWeight: _semibold, color: _black, letterSpacing: -0.5, height: 1.2, ), headlineMedium: TextStyle( fontFamily: _fontFamily, fontSize: 24, fontWeight: _semibold, color: _black, letterSpacing: -0.3, height: 1.3, ), headlineSmall: TextStyle( fontFamily: _fontFamily, fontSize: 20, fontWeight: _semibold, color: _black, letterSpacing: -0.2, height: 1.4, ), // 正文 bodyLarge: TextStyle( fontFamily: _fontFamily, fontSize: 16, fontWeight: _regular, color: _darkGray, height: 1.6, ), bodyMedium: TextStyle( fontFamily: _fontFamily, fontSize: 15, fontWeight: _regular, color: _darkGray, height: 1.5, ), bodySmall: TextStyle( fontFamily: _fontFamily, fontSize: 13, fontWeight: _regular, color: _gray, height: 1.5, ), // 标签 labelLarge: TextStyle( fontFamily: _fontFamily, fontSize: 14, fontWeight: _medium, color: _black, ), labelMedium: TextStyle( fontFamily: _fontFamily, fontSize: 12, fontWeight: _medium, color: _gray, ), labelSmall: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _medium, color: _lightGray, letterSpacing: 0.3, ), ), ); } // 暗色主题 static ThemeData get darkTheme { return ThemeData( useMaterial3: true, brightness: Brightness.dark, scaffoldBackgroundColor: _black, colorScheme: const ColorScheme.dark( primary: _white, onPrimary: _black, secondary: _offWhite, onSecondary: _black, surface: _black, onSurface: _white, error: Color(0xFFEF4444), onError: _black, surfaceContainerHighest: _darkGray, surfaceContainerHigh: Color(0xFF2A2A2A), outline: _gray, outlineVariant: _darkGray, ), appBarTheme: const AppBarTheme( backgroundColor: _black, foregroundColor: _white, elevation: 0, centerTitle: false, titleSpacing: 24, titleTextStyle: TextStyle( fontFamily: _fontFamily, fontSize: 18, fontWeight: _semibold, color: _white, letterSpacing: -0.3, ), ), cardTheme: CardThemeData( color: _darkGray, elevation: 0, shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero), margin: EdgeInsets.zero, ), listTileTheme: const ListTileThemeData( contentPadding: EdgeInsets.symmetric(horizontal: 24, vertical: 16), minLeadingWidth: 0, dense: true, ), dividerTheme: DividerThemeData( color: _darkGray, thickness: 0.5, space: 0, ), inputDecorationTheme: InputDecorationTheme( filled: false, border: UnderlineInputBorder( borderSide: BorderSide(color: _darkGray, width: 0.5), ), enabledBorder: UnderlineInputBorder( borderSide: BorderSide(color: _darkGray, width: 0.5), ), focusedBorder: UnderlineInputBorder( borderSide: BorderSide(color: _white, width: 1), ), errorBorder: UnderlineInputBorder( borderSide: BorderSide(color: Color(0xFFEF4444), width: 0.5), ), contentPadding: EdgeInsets.symmetric(vertical: 12), hintStyle: TextStyle( fontFamily: _fontFamily, fontSize: 15, fontWeight: _regular, color: _gray, ), labelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 13, fontWeight: _medium, color: _lightGray, ), ), elevatedButtonTheme: ElevatedButtonThemeData( style: ElevatedButton.styleFrom( backgroundColor: _white, foregroundColor: _black, elevation: 0, padding: EdgeInsets.symmetric(horizontal: 24, vertical: 14), shape: RoundedRectangleBorder(borderRadius: BorderRadius.zero), ), ), textButtonTheme: TextButtonThemeData( style: TextButton.styleFrom( foregroundColor: _white, padding: EdgeInsets.symmetric(horizontal: 16, vertical: 8), textStyle: TextStyle( fontFamily: _fontFamily, fontSize: 14, fontWeight: _medium, ), ), ), bottomNavigationBarTheme: const BottomNavigationBarThemeData( backgroundColor: _black, selectedItemColor: _white, unselectedItemColor: _gray, elevation: 0, type: BottomNavigationBarType.fixed, selectedLabelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _medium, ), unselectedLabelStyle: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _regular, ), ), textTheme: const TextTheme( headlineLarge: TextStyle( fontFamily: _fontFamily, fontSize: 32, fontWeight: _semibold, color: _white, letterSpacing: -0.5, height: 1.2, ), headlineMedium: TextStyle( fontFamily: _fontFamily, fontSize: 24, fontWeight: _semibold, color: _white, letterSpacing: -0.3, height: 1.3, ), headlineSmall: TextStyle( fontFamily: _fontFamily, fontSize: 20, fontWeight: _semibold, color: _white, letterSpacing: -0.2, height: 1.4, ), bodyLarge: TextStyle( fontFamily: _fontFamily, fontSize: 16, fontWeight: _regular, color: _offWhite, height: 1.6, ), bodyMedium: TextStyle( fontFamily: _fontFamily, fontSize: 15, fontWeight: _regular, color: _offWhite, height: 1.5, ), bodySmall: TextStyle( fontFamily: _fontFamily, fontSize: 13, fontWeight: _regular, color: _lightGray, height: 1.5, ), labelLarge: TextStyle( fontFamily: _fontFamily, fontSize: 14, fontWeight: _medium, color: _white, ), labelMedium: TextStyle( fontFamily: _fontFamily, fontSize: 12, fontWeight: _medium, color: _lightGray, ), labelSmall: TextStyle( fontFamily: _fontFamily, fontSize: 11, fontWeight: _medium, color: _gray, letterSpacing: 0.3, ), ), ); } }