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kongbeiwu
244
lib/theme.dart
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244
lib/theme.dart
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:google_fonts/google_fonts.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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class AppColors {
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static const primary = Color(0xFF1A56DB);
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static const primaryLight = Color(0xFF3B82F6);
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static const primaryDark = Color(0xFF1E40AF);
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static const accent = Color(0xFF00C9A7);
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static const accentLight = Color(0xFF6EE7B7);
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static const background = Color(0xFFF8FAFC);
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static const surface = Colors.white;
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static const error = Color(0xFFEF4444);
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static const warning = Color(0xFFF59E0B);
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static const success = Color(0xFF10B981);
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static const textPrimary = Color(0xFF1E293B);
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static const textSecondary = Color(0xFF64748B);
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static const textTertiary = Color(0xFF94A3B8);
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static const divider = Color(0xFFE2E8F0);
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static const cardShadow = Color(0x1A000000);
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static const gradientStart = Color(0xFF1A56DB);
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static const gradientEnd = Color(0xFF00C9A7);
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static const chatUserBubble = Color(0xFF1A56DB);
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static const chatAiBubble = Color(0xFFF1F5F9);
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static const scanOverlay = Color(0x801A56DB);
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}
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class AppTheme {
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static ThemeData get lightTheme {
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return ThemeData(
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useMaterial3: true,
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brightness: Brightness.light,
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colorScheme: const ColorScheme.light(
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primary: AppColors.primary,
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onPrimary: Colors.white,
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secondary: AppColors.accent,
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onSecondary: Colors.white,
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surface: AppColors.surface,
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onSurface: AppColors.textPrimary,
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error: AppColors.error,
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onError: Colors.white,
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background: AppColors.background,
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onBackground: AppColors.textPrimary,
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),
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scaffoldBackgroundColor: AppColors.background,
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textTheme: GoogleFonts.notoSansScTextTheme().copyWith(
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displayLarge: GoogleFonts.notoSansSc(
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fontSize: 32, fontWeight: FontWeight.bold, color: AppColors.textPrimary,
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),
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displayMedium: GoogleFonts.notoSansSc(
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fontSize: 24, fontWeight: FontWeight.bold, color: AppColors.textPrimary,
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),
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titleLarge: GoogleFonts.notoSansSc(
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fontSize: 20, fontWeight: FontWeight.w600, color: AppColors.textPrimary,
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),
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titleMedium: GoogleFonts.notoSansSc(
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fontSize: 16, fontWeight: FontWeight.w600, color: AppColors.textPrimary,
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),
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bodyLarge: GoogleFonts.notoSansSc(
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fontSize: 16, color: AppColors.textPrimary,
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),
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bodyMedium: GoogleFonts.notoSansSc(
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fontSize: 14, color: AppColors.textSecondary,
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),
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labelLarge: GoogleFonts.notoSansSc(
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fontSize: 14, fontWeight: FontWeight.w500,
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),
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),
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appBarTheme: AppBarTheme(
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elevation: 0,
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centerTitle: true,
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backgroundColor: AppColors.surface,
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foregroundColor: AppColors.textPrimary,
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systemOverlayStyle: SystemUiOverlayStyle.dark,
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titleTextStyle: GoogleFonts.notoSansSc(
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fontSize: 18, fontWeight: FontWeight.w600, color: AppColors.textPrimary,
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),
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),
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cardTheme: CardThemeData(
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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color: AppColors.surface,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: AppColors.background,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: AppColors.primary, width: 1.5),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: AppColors.error, width: 1),
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),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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hintStyle: GoogleFonts.notoSansSc(
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fontSize: 14, color: AppColors.textTertiary,
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),
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),
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elevatedButtonTheme: ElevatedButtonThemeData(
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style: ElevatedButton.styleFrom(
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elevation: 0,
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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backgroundColor: AppColors.primary,
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foregroundColor: Colors.white,
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textStyle: GoogleFonts.notoSansSc(
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fontSize: 16, fontWeight: FontWeight.w600,
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),
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),
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),
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outlinedButtonTheme: OutlinedButtonThemeData(
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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side: const BorderSide(color: AppColors.primary),
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foregroundColor: AppColors.primary,
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textStyle: GoogleFonts.notoSansSc(
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fontSize: 14, fontWeight: FontWeight.w500,
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),
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),
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),
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textButtonTheme: TextButtonThemeData(
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style: TextButton.styleFrom(
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foregroundColor: AppColors.primary,
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textStyle: GoogleFonts.notoSansSc(
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fontSize: 14, fontWeight: FontWeight.w500,
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),
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),
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),
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floatingActionButtonTheme: const FloatingActionButtonThemeData(
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backgroundColor: AppColors.primary,
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foregroundColor: Colors.white,
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elevation: 4,
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),
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bottomNavigationBarTheme: const BottomNavigationBarThemeData(
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backgroundColor: AppColors.surface,
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selectedItemColor: AppColors.primary,
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unselectedItemColor: AppColors.textTertiary,
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type: BottomNavigationBarType.fixed,
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elevation: 8,
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),
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chipTheme: ChipThemeData(
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backgroundColor: AppColors.background,
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selectedColor: AppColors.primary.withOpacity(0.1),
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labelStyle: GoogleFonts.notoSansSc(fontSize: 12),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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dividerTheme: const DividerThemeData(
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color: AppColors.divider,
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thickness: 1,
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space: 1,
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),
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tabBarTheme: TabBarThemeData(
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labelColor: AppColors.primary,
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unselectedLabelColor: AppColors.textSecondary,
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labelStyle: GoogleFonts.notoSansSc(
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fontSize: 14, fontWeight: FontWeight.w600,
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),
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unselectedLabelStyle: GoogleFonts.notoSansSc(
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fontSize: 14, fontWeight: FontWeight.w400,
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),
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indicatorSize: TabBarIndicatorSize.tab,
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),
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);
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}
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static ThemeData get darkTheme {
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return lightTheme.copyWith(
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brightness: Brightness.dark,
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colorScheme: const ColorScheme.dark(
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primary: AppColors.primaryLight,
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onPrimary: Colors.white,
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secondary: AppColors.accent,
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onSecondary: Colors.white,
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surface: Color(0xFF1E293B),
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onSurface: Colors.white,
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error: AppColors.error,
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onError: Colors.white,
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background: Color(0xFF0F172A),
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onBackground: Colors.white,
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),
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scaffoldBackgroundColor: const Color(0xFF0F172A),
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);
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}
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}
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class AppGradients {
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static const primary = LinearGradient(
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colors: [AppColors.gradientStart, AppColors.gradientEnd],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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);
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static const card = LinearGradient(
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colors: [Color(0xFF1A56DB), Color(0xFF2563EB)],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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);
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static const shimmer = LinearGradient(
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colors: [Color(0xFFE2E8F0), Color(0xFFF1F5F9), Color(0xFFE2E8F0)],
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stops: [0.0, 0.5, 1.0],
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begin: Alignment(-1.0, -0.3),
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end: Alignment(1.0, 0.3),
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);
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}
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class AppAnimations {
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static const defaultDuration = Duration(milliseconds: 300);
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static const slowDuration = Duration(milliseconds: 500);
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static const fastDuration = Duration(milliseconds: 150);
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static Widget fadeSlide(Widget child, {int delay = 0}) {
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return child
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.animate()
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.fadeIn(duration: defaultDuration, delay: Duration(milliseconds: delay))
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.slideY(begin: 0.2, end: 0, duration: defaultDuration, delay: Duration(milliseconds: delay));
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}
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static Widget scaleIn(Widget child, {int delay = 0}) {
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return child
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.animate()
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.scale(begin: const Offset(0.9, 0.9), duration: defaultDuration, delay: Duration(milliseconds: delay))
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.fadeIn(duration: defaultDuration, delay: Duration(milliseconds: delay));
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}
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}
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