voidea/flutter/lib/core/theme/app_theme.dart

import 'package:flutter/material.dart';

class VoIdeaColors {
  VoIdeaColors._();

  static const Color primary = Color(0xFF2563EB);
  static const Color primaryLight = Color(0xFF60A5FA);
  static const Color primaryDark = Color(0xFF1D4ED8);
  static const Color secondary = Color(0xFF7C3AED);
  static const Color surface = Color(0xFFF8FAFC);
  static const Color surfaceDark = Color(0xFF0F172A);
  static const Color background = Color(0xFFFFFFFF);
  static const Color backgroundDark = Color(0xFF020617);
  static const Color error = Color(0xFFEF4444);
  static const Color success = Color(0xFF22C55E);
  static const Color warning = Color(0xFFF59E0B);
  static const Color onPrimary = Color(0xFFFFFFFF);
  static const Color onSurface = Color(0xFF1E293B);
  static const Color onSurfaceDark = Color(0xFFE2E8F0);
  static const Color muted = Color(0xFF94A3B8);
}

class AppTheme {
  AppTheme._();

  static ThemeData light() {
    final colorScheme = ColorScheme.light(
      primary: VoIdeaColors.primary,
      primaryContainer: VoIdeaColors.primaryLight,
      onPrimary: VoIdeaColors.onPrimary,
      secondary: VoIdeaColors.secondary,
      surface: VoIdeaColors.surface,
      onSurface: VoIdeaColors.onSurface,
      error: VoIdeaColors.error,
    );

    return ThemeData(
      useMaterial3: true,
      colorScheme: colorScheme,
      scaffoldBackgroundColor: VoIdeaColors.background,
      appBarTheme: AppBarTheme(
        backgroundColor: VoIdeaColors.background,
        foregroundColor: VoIdeaColors.onSurface,
        elevation: 0,
        centerTitle: true,
        titleTextStyle: TextStyle(
          color: VoIdeaColors.onSurface,
          fontSize: 18,
          fontWeight: FontWeight.w600,
        ),
      ),
      bottomNavigationBarTheme: BottomNavigationBarThemeData(
        backgroundColor: VoIdeaColors.background,
        selectedItemColor: VoIdeaColors.primary,
        unselectedItemColor: VoIdeaColors.muted,
        type: BottomNavigationBarType.fixed,
        elevation: 8,
      ),
      cardTheme: CardThemeData(
        color: VoIdeaColors.background,
        elevation: 1,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(12),
        ),
      ),
      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          backgroundColor: VoIdeaColors.primary,
          foregroundColor: VoIdeaColors.onPrimary,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(8),
          ),
          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
        ),
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: VoIdeaColors.surface,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: BorderSide.none,
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: BorderSide(color: VoIdeaColors.muted.withOpacity(0.3)),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: const BorderSide(color: VoIdeaColors.primary, width: 2),
        ),
        contentPadding:
            const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
      ),
      dividerTheme: DividerThemeData(
        color: VoIdeaColors.muted.withOpacity(0.2),
        thickness: 1,
      ),
      chipTheme: ChipThemeData(
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(20),
        ),
      ),
    );
  }

  static ThemeData dark() {
    final colorScheme = ColorScheme.dark(
      primary: VoIdeaColors.primaryLight,
      primaryContainer: VoIdeaColors.primaryDark,
      onPrimary: VoIdeaColors.onPrimary,
      secondary: VoIdeaColors.secondary,
      surface: VoIdeaColors.surfaceDark,
      onSurface: VoIdeaColors.onSurfaceDark,
      error: VoIdeaColors.error,
    );

    return ThemeData(
      useMaterial3: true,
      colorScheme: colorScheme,
      scaffoldBackgroundColor: VoIdeaColors.backgroundDark,
      appBarTheme: AppBarTheme(
        backgroundColor: VoIdeaColors.backgroundDark,
        foregroundColor: VoIdeaColors.onSurfaceDark,
        elevation: 0,
        centerTitle: true,
        titleTextStyle: TextStyle(
          color: VoIdeaColors.onSurfaceDark,
          fontSize: 18,
          fontWeight: FontWeight.w600,
        ),
      ),
      bottomNavigationBarTheme: BottomNavigationBarThemeData(
        backgroundColor: VoIdeaColors.backgroundDark,
        selectedItemColor: VoIdeaColors.primaryLight,
        unselectedItemColor: VoIdeaColors.muted,
        type: BottomNavigationBarType.fixed,
        elevation: 8,
      ),
      cardTheme: CardThemeData(
        color: VoIdeaColors.surfaceDark,
        elevation: 1,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(12),
        ),
      ),
      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          backgroundColor: VoIdeaColors.primaryLight,
          foregroundColor: VoIdeaColors.onPrimary,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(8),
          ),
          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
        ),
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: VoIdeaColors.surfaceDark,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: BorderSide.none,
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide:
              BorderSide(color: VoIdeaColors.muted.withOpacity(0.3)),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide:
              const BorderSide(color: VoIdeaColors.primaryLight, width: 2),
        ),
        contentPadding:
            const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
      ),
      dividerTheme: DividerThemeData(
        color: VoIdeaColors.muted.withOpacity(0.2),
        thickness: 1,
      ),
      chipTheme: ChipThemeData(
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(20),
        ),
      ),
    );
  }
}