414 lines
14 KiB
Dart
414 lines
14 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'theme_extensions.dart';
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class AppTheme {
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// Brand accents (ChatGPT aesthetic)
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static const Color brandPrimary = Color(0xFF4F46E5); // Indigo
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static const Color brandPrimaryLight = Color(0xFF818CF8);
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static const Color brandPrimaryDark = Color(0xFF4338CA);
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// Enhanced neutral palette for better contrast (WCAG AA compliant)
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static const Color neutral900 = Color(0xFF000000); // Pure black
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static const Color neutral800 = Color(
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0xFF0D0D0D,
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); // Darker for better contrast
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static const Color neutral700 = Color(0xFF1A1A1A);
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static const Color neutral600 = Color(0xFF2D2D2D); // Improved contrast
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static const Color neutral500 = Color(0xFF404040); // Better middle gray
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static const Color neutral400 = Color(0xFF525252);
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static const Color neutral300 = Color(0xFF6B6B6B); // Improved contrast ratio
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static const Color neutral200 = Color(0xFF9E9E9E); // Better readability
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static const Color neutral100 = Color(0xFFD1D1D1); // Enhanced contrast
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static const Color neutral50 = Color(
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0xFFF8F8F8,
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); // Softer white for reduced eye strain
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// Enhanced semantic colors for WCAG AA compliance
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static const Color error = Color(0xFFDC2626); // Improved red contrast
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static const Color errorDark = Color(0xFFB91C1C); // Darker red for dark theme
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static const Color success = Color(0xFF059669); // Better green contrast
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static const Color successDark = Color(0xFF047857); // Dark theme green
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static const Color warning = Color(0xFFD97706); // Improved orange contrast
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static const Color warningDark = Color(0xFFB45309); // Dark theme orange
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static const Color info = Color(0xFF0284C7); // Better blue contrast
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static const Color infoDark = Color(0xFF0369A1); // Dark theme blue
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// Brand aliases
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static const Color primaryColor = brandPrimary;
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static const Color secondaryColor = brandPrimaryLight;
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static const Color surfaceColor = neutral50;
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static const Color errorColor = error;
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static const Color successColor = success;
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// Base Light Theme
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static ThemeData lightTheme = 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: brandPrimary,
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secondary: brandPrimaryLight,
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surface: surfaceColor,
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error: errorColor,
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),
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pageTransitionsTheme: const PageTransitionsTheme(
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builders: <TargetPlatform, PageTransitionsBuilder>{
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TargetPlatform.android: ZoomPageTransitionsBuilder(),
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TargetPlatform.iOS: ZoomPageTransitionsBuilder(),
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TargetPlatform.linux: ZoomPageTransitionsBuilder(),
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TargetPlatform.macOS: ZoomPageTransitionsBuilder(),
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TargetPlatform.windows: ZoomPageTransitionsBuilder(),
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},
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),
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splashFactory: NoSplash.splashFactory,
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appBarTheme: const AppBarTheme(
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centerTitle: true,
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elevation: Elevation.none,
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backgroundColor: Colors.transparent,
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foregroundColor: neutral800,
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),
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bottomSheetTheme: BottomSheetThemeData(
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backgroundColor: neutral50,
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modalBackgroundColor: neutral50,
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surfaceTintColor: Colors.transparent,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.modal),
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),
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showDragHandle: false,
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),
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elevatedButtonTheme: ElevatedButtonThemeData(
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.lg,
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vertical: Spacing.xs,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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),
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),
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),
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cardTheme: CardThemeData(
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elevation: Elevation.none,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.lg),
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side: BorderSide(color: neutral200),
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),
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),
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snackBarTheme: SnackBarThemeData(
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behavior: SnackBarBehavior.floating,
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backgroundColor: neutral900.withValues(alpha: 0.92),
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contentTextStyle: const TextStyle(
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color: neutral50,
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).copyWith(fontSize: AppTypography.bodyMedium),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.snackbar),
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),
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elevation: Elevation.high,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: neutral50,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: primaryColor, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: errorColor, width: 1),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: Spacing.md,
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vertical: Spacing.sm,
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),
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),
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// Use platform default system font text theme
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textTheme: ThemeData.light().textTheme,
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extensions: const [ConduitThemeExtension.auroraLight],
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);
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// Base Dark Theme
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static ThemeData darkTheme = ThemeData(
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useMaterial3: true,
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brightness: Brightness.dark,
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scaffoldBackgroundColor: Color(0xFF0A0D0C),
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colorScheme: const ColorScheme.dark(
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primary: brandPrimary,
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secondary: brandPrimaryDark,
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surface: Color(0xFF0A0D0C),
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surfaceContainerHighest: neutral700,
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onSurface: neutral50,
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onSurfaceVariant: neutral300,
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outline: neutral600,
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error: error,
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),
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pageTransitionsTheme: const PageTransitionsTheme(
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builders: <TargetPlatform, PageTransitionsBuilder>{
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TargetPlatform.android: ZoomPageTransitionsBuilder(),
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TargetPlatform.iOS: ZoomPageTransitionsBuilder(),
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TargetPlatform.linux: ZoomPageTransitionsBuilder(),
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TargetPlatform.macOS: ZoomPageTransitionsBuilder(),
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TargetPlatform.windows: ZoomPageTransitionsBuilder(),
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},
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),
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splashFactory: NoSplash.splashFactory,
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appBarTheme: const AppBarTheme(
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centerTitle: true,
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elevation: Elevation.none,
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backgroundColor: Colors.transparent,
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foregroundColor: neutral50,
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),
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bottomSheetTheme: BottomSheetThemeData(
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backgroundColor: neutral900,
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modalBackgroundColor: neutral900,
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surfaceTintColor: Colors.transparent,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.modal),
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),
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showDragHandle: false,
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),
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elevatedButtonTheme: ElevatedButtonThemeData(
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.lg,
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vertical: Spacing.xs,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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),
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),
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),
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cardTheme: CardThemeData(
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elevation: Elevation.none,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.lg),
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side: BorderSide(color: neutral800),
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),
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),
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snackBarTheme: SnackBarThemeData(
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behavior: SnackBarBehavior.floating,
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backgroundColor: neutral800.withValues(alpha: 0.92),
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contentTextStyle: const TextStyle(
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color: neutral50,
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).copyWith(fontSize: AppTypography.bodyMedium),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.snackbar),
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),
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elevation: Elevation.high,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: neutral700,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: neutral600, width: 1),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: neutral600, width: 1),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: brandPrimary, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: error, width: 1),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: Spacing.md,
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vertical: Spacing.sm,
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),
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),
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// Use platform default system font text theme
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textTheme: ThemeData.dark().textTheme,
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extensions: const [ConduitThemeExtension.dark],
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);
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// Conduit variants using brand colors
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static ThemeData conduitLightTheme = lightTheme.copyWith(
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colorScheme: lightTheme.colorScheme.copyWith(
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primary: brandPrimary,
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secondary: brandPrimaryLight,
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surface: neutral50,
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),
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extensions: const [ConduitThemeExtension.light],
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appBarTheme: const AppBarTheme(
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centerTitle: true,
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elevation: Elevation.none,
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backgroundColor: Colors.transparent,
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foregroundColor: neutral800,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: neutral50,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: brandPrimary, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: error, width: 1),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: Spacing.md,
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vertical: Spacing.sm,
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),
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),
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);
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static ThemeData conduitDarkTheme = darkTheme.copyWith(
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scaffoldBackgroundColor: const Color(0xFF0A0D0C),
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colorScheme: darkTheme.colorScheme.copyWith(
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primary: brandPrimary,
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secondary: brandPrimaryDark,
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surface: const Color(0xFF0A0D0C),
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surfaceContainerHighest: neutral700,
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),
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extensions: const [ConduitThemeExtension.dark],
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appBarTheme: const AppBarTheme(
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centerTitle: true,
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elevation: Elevation.none,
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backgroundColor: Colors.transparent,
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foregroundColor: neutral50,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: neutral700,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: neutral600, width: 1),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: neutral600, width: 1),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: brandPrimary, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(AppBorderRadius.md),
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borderSide: const BorderSide(color: error, width: 1),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: Spacing.md,
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vertical: Spacing.sm,
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),
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),
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);
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// Classic Conduit variants for runtime switching
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// Removed classic Conduit variants from public API to keep Aurora only
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// Platform-specific theming helpers
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static CupertinoThemeData cupertinoTheme(BuildContext context) {
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return CupertinoThemeData(
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brightness: isDark ? Brightness.dark : Brightness.light,
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primaryColor: brandPrimary,
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scaffoldBackgroundColor: isDark ? neutral900 : neutral50,
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barBackgroundColor: isDark ? neutral900 : neutral50,
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);
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}
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}
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/// Animated theme wrapper for smooth theme transitions
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class AnimatedThemeWrapper extends StatefulWidget {
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final Widget child;
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final ThemeData theme;
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final Duration duration;
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const AnimatedThemeWrapper({
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super.key,
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required this.child,
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required this.theme,
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this.duration = const Duration(milliseconds: 250),
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});
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@override
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State<AnimatedThemeWrapper> createState() => _AnimatedThemeWrapperState();
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}
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class _AnimatedThemeWrapperState extends State<AnimatedThemeWrapper>
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with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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ThemeData? _previousTheme;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(duration: widget.duration, vsync: this);
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_animation = CurvedAnimation(parent: _controller, curve: Curves.easeInOut);
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_previousTheme = widget.theme;
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}
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@override
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void didUpdateWidget(AnimatedThemeWrapper oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.theme != widget.theme) {
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_previousTheme = oldWidget.theme;
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_controller.forward(from: 0);
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}
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: _animation,
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builder: (context, child) {
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return Theme(
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data: ThemeData.lerp(
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_previousTheme ?? widget.theme,
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widget.theme,
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_animation.value,
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),
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child: widget.child,
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);
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},
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);
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}
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}
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/// Theme transition widget for individual components
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class ThemeTransition extends StatelessWidget {
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final Widget child;
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final Duration duration;
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const ThemeTransition({
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super.key,
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required this.child,
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this.duration = const Duration(milliseconds: 200),
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});
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@override
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Widget build(BuildContext context) {
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return child.animate().fadeIn(duration: duration);
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}
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}
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// Typography, spacing, and design token classes are now in theme_extensions.dart for consistency
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