tasq/lib/theme/app_theme.dart

import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

class AppTheme {
  static ThemeData light() {
    final base = ThemeData(
      colorScheme: ColorScheme.fromSeed(
        seedColor: const Color(0xFF0C4A6E),
        brightness: Brightness.light,
      ),
      useMaterial3: true,
    );

    final textTheme = GoogleFonts.spaceGroteskTextTheme(base.textTheme);

    return base.copyWith(
      textTheme: textTheme,
      scaffoldBackgroundColor: const Color(0xFFF6F8FA),
      appBarTheme: AppBarTheme(
        backgroundColor: base.colorScheme.surface,
        foregroundColor: base.colorScheme.onSurface,
        elevation: 0,
        centerTitle: false,
        titleTextStyle: textTheme.titleLarge?.copyWith(
          fontWeight: FontWeight.w700,
          letterSpacing: 0.2,
        ),
      ),
      cardTheme: CardThemeData(
        color: base.colorScheme.surface,
        elevation: 0.6,
        margin: EdgeInsets.zero,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(16),
          side: BorderSide(color: base.colorScheme.outlineVariant),
        ),
      ),
      dividerTheme: DividerThemeData(
        color: base.colorScheme.outlineVariant,
        thickness: 1,
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: base.colorScheme.surface,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.outlineVariant),
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.outlineVariant),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.primary, width: 1.5),
        ),
      ),
      filledButtonTheme: FilledButtonThemeData(
        style: FilledButton.styleFrom(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
        ),
      ),
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          side: BorderSide(color: base.colorScheme.outline),
          padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 12),
        ),
      ),
      navigationRailTheme: NavigationRailThemeData(
        backgroundColor: base.colorScheme.surface,
        selectedIconTheme: IconThemeData(color: base.colorScheme.primary),
        selectedLabelTextStyle: textTheme.labelLarge?.copyWith(
          fontWeight: FontWeight.w600,
        ),
        unselectedIconTheme: IconThemeData(color: base.colorScheme.onSurface),
      ),
      navigationBarTheme: NavigationBarThemeData(
        backgroundColor: base.colorScheme.surface,
        indicatorColor: base.colorScheme.primaryContainer,
        labelTextStyle: WidgetStateProperty.all(
          textTheme.labelMedium?.copyWith(fontWeight: FontWeight.w600),
        ),
      ),
      listTileTheme: ListTileThemeData(
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
        tileColor: base.colorScheme.surface,
      ),
    );
  }

  static ThemeData dark() {
    final base = ThemeData(
      colorScheme: ColorScheme.fromSeed(
        seedColor: const Color(0xFF38BDF8),
        brightness: Brightness.dark,
      ),
      useMaterial3: true,
    );

    final textTheme = GoogleFonts.spaceGroteskTextTheme(base.textTheme);

    return base.copyWith(
      textTheme: textTheme,
      scaffoldBackgroundColor: const Color(0xFF0B111A),
      appBarTheme: AppBarTheme(
        backgroundColor: base.colorScheme.surface,
        foregroundColor: base.colorScheme.onSurface,
        elevation: 0,
        centerTitle: false,
        titleTextStyle: textTheme.titleLarge?.copyWith(
          fontWeight: FontWeight.w700,
          letterSpacing: 0.2,
        ),
      ),
      cardTheme: CardThemeData(
        color: const Color(0xFF121A24),
        elevation: 0,
        margin: EdgeInsets.zero,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(16),
          side: BorderSide(color: base.colorScheme.outlineVariant),
        ),
      ),
      dividerTheme: DividerThemeData(
        color: base.colorScheme.outlineVariant,
        thickness: 1,
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: const Color(0xFF121A24),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.outlineVariant),
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.outlineVariant),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide(color: base.colorScheme.primary, width: 1.5),
        ),
      ),
      filledButtonTheme: FilledButtonThemeData(
        style: FilledButton.styleFrom(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
        ),
      ),
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          side: BorderSide(color: base.colorScheme.outline),
          padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 12),
        ),
      ),
      navigationRailTheme: NavigationRailThemeData(
        backgroundColor: base.colorScheme.surface,
        selectedIconTheme: IconThemeData(color: base.colorScheme.primary),
        selectedLabelTextStyle: textTheme.labelLarge?.copyWith(
          fontWeight: FontWeight.w600,
        ),
        unselectedIconTheme: IconThemeData(color: base.colorScheme.onSurface),
      ),
      navigationBarTheme: NavigationBarThemeData(
        backgroundColor: base.colorScheme.surface,
        indicatorColor: base.colorScheme.primaryContainer,
        labelTextStyle: WidgetStateProperty.all(
          textTheme.labelMedium?.copyWith(fontWeight: FontWeight.w600),
        ),
      ),
      listTileTheme: ListTileThemeData(
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
        tileColor: const Color(0xFF121A24),
      ),
    );
  }
}