196 lines
8.1 KiB
Dart
196 lines
8.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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/// Twin Shadow design tokens for 분신.
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///
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/// Brand-first: forest ink on mist/paper atmosphere. `twinAccent` stays a
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/// separate warm mark so AI-authored bubbles never read as human-typed
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/// (PRD §3.1 분신 뱃지).
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class TwinTokens {
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TwinTokens._();
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static const ink = Color(0xFF0E1A16);
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static const forest = Color(0xFF1F6F5B);
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static const forestDeep = Color(0xFF163F34);
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static const mist = Color(0xFFE7F0EC);
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static const paper = Color(0xFFF5F7F6);
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static const glow = Color(0xFFC8E6D9);
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static const twinMark = Color(0xFFB8860B); // muted gold — AI authorship only
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}
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class AppTheme {
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AppTheme._();
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static Color twinAccent(Brightness brightness) =>
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brightness == Brightness.dark ? const Color(0xFFE0C36A) : TwinTokens.twinMark;
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/// Phase-1 default: light Twin Shadow only.
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static ThemeData light() => _build(Brightness.light);
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/// Kept for system/dark opt-in later; not used while ThemeMode.light.
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static ThemeData dark() => _build(Brightness.dark);
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static ThemeData _build(Brightness brightness) {
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final isLight = brightness == Brightness.light;
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final baseScheme = ColorScheme.fromSeed(
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seedColor: TwinTokens.forest,
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brightness: brightness,
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);
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final scheme = baseScheme.copyWith(
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primary: isLight ? TwinTokens.forest : TwinTokens.glow,
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onPrimary: isLight ? Colors.white : TwinTokens.ink,
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primaryContainer: isLight ? TwinTokens.mist : TwinTokens.forestDeep,
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onPrimaryContainer: isLight ? TwinTokens.forestDeep : TwinTokens.mist,
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surface: isLight ? TwinTokens.paper : const Color(0xFF0B1210),
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onSurface: isLight ? TwinTokens.ink : TwinTokens.mist,
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onSurfaceVariant: isLight ? TwinTokens.ink.withValues(alpha: 0.62) : TwinTokens.mist.withValues(alpha: 0.72),
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surfaceContainerHighest: isLight ? TwinTokens.mist : const Color(0xFF15201C),
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surfaceContainerHigh: isLight ? const Color(0xFFEEF4F1) : const Color(0xFF121A17),
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outlineVariant: isLight ? TwinTokens.glow : TwinTokens.forestDeep,
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);
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final textTheme = _textTheme(scheme);
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return ThemeData(
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useMaterial3: true,
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brightness: brightness,
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colorScheme: scheme,
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scaffoldBackgroundColor: scheme.surface,
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visualDensity: VisualDensity.standard,
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textTheme: textTheme,
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primaryTextTheme: textTheme,
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appBarTheme: AppBarTheme(
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backgroundColor: scheme.surface,
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foregroundColor: scheme.onSurface,
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surfaceTintColor: Colors.transparent,
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elevation: 0,
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scrolledUnderElevation: 0.5,
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centerTitle: false,
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titleTextStyle: textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.w800,
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letterSpacing: -0.4,
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),
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),
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cardTheme: CardThemeData(
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elevation: 0,
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color: scheme.surfaceContainerHigh,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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margin: EdgeInsets.zero,
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),
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listTileTheme: ListTileThemeData(
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iconColor: scheme.onSurfaceVariant,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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),
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dividerTheme: DividerThemeData(color: scheme.outlineVariant, space: 24, thickness: 1),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: isLight ? Colors.white.withValues(alpha: 0.72) : scheme.surfaceContainerHighest,
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: scheme.outlineVariant),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: scheme.outlineVariant.withValues(alpha: 0.8)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: scheme.primary, width: 1.6),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: scheme.error, width: 1.2),
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),
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focusedErrorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide(color: scheme.error, width: 1.6),
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),
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labelStyle: TextStyle(color: scheme.onSurfaceVariant),
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hintStyle: TextStyle(color: scheme.onSurfaceVariant.withValues(alpha: 0.7)),
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),
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filledButtonTheme: FilledButtonThemeData(
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style: FilledButton.styleFrom(
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backgroundColor: TwinTokens.forest,
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foregroundColor: Colors.white,
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minimumSize: const Size.fromHeight(52),
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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textStyle: GoogleFonts.manrope(fontWeight: FontWeight.w700, fontSize: 16),
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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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minimumSize: const Size.fromHeight(48),
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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side: BorderSide(color: scheme.outlineVariant),
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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: TwinTokens.forest,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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),
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),
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iconButtonTheme: IconButtonThemeData(
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style: IconButton.styleFrom(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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),
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floatingActionButtonTheme: FloatingActionButtonThemeData(
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backgroundColor: TwinTokens.forest,
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foregroundColor: Colors.white,
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elevation: 1,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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),
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snackBarTheme: SnackBarThemeData(
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behavior: SnackBarBehavior.floating,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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dialogTheme: DialogThemeData(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(18)),
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),
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progressIndicatorTheme: ProgressIndicatorThemeData(color: scheme.primary),
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chipTheme: ChipThemeData(
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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side: BorderSide.none,
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backgroundColor: scheme.surfaceContainerHighest,
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labelStyle: TextStyle(color: scheme.onSurfaceVariant, fontWeight: FontWeight.w600, fontSize: 12),
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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),
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);
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}
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static TextTheme _textTheme(ColorScheme scheme) {
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final base = GoogleFonts.manropeTextTheme();
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return base.copyWith(
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displayLarge: base.displayLarge?.copyWith(
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fontWeight: FontWeight.w800,
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letterSpacing: -1.2,
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color: scheme.onSurface,
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height: 1.05,
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),
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displaySmall: base.displaySmall?.copyWith(
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fontWeight: FontWeight.w800,
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letterSpacing: -0.8,
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color: scheme.onSurface,
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height: 1.1,
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),
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headlineSmall: base.headlineSmall?.copyWith(
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fontWeight: FontWeight.w800,
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letterSpacing: -0.4,
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color: scheme.onSurface,
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),
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titleLarge: base.titleLarge?.copyWith(fontWeight: FontWeight.w700, color: scheme.onSurface),
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titleMedium: base.titleMedium?.copyWith(fontWeight: FontWeight.w700, color: scheme.onSurface),
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titleSmall: base.titleSmall?.copyWith(fontWeight: FontWeight.w700, color: scheme.onSurface),
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bodyLarge: base.bodyLarge?.copyWith(height: 1.45, color: scheme.onSurface),
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bodyMedium: base.bodyMedium?.copyWith(height: 1.45, color: scheme.onSurface),
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bodySmall: base.bodySmall?.copyWith(height: 1.4, color: scheme.onSurfaceVariant),
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labelLarge: base.labelLarge?.copyWith(fontWeight: FontWeight.w700, color: scheme.onSurface),
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);
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}
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}
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