didvan-app/lib/config/theme_data.dart

import 'package:flutter/material.dart';

class LightThemeConfig {
  static const Color _primary = Color(0XFF007EA7);
  static const Color _white = Color(0XFFFFFFFF);
  static const Color _black = Color(0XFF292929);
  static const Color _background = Color(0XFFF8F8FA);

  static final ThemeData themeData = ThemeData(
    backgroundColor: _background,
    scaffoldBackgroundColor: _background,
    colorScheme: _colorScheme,
    fontFamily: 'Dana-FA',
    textTheme: _textTheme,
    cardColor: _colorScheme.surface,
  );

  static final TextTheme _textTheme = const TextTheme(
    bodyText1: _body1Text,
    bodyText2: _body2Text,
    caption: _captionText,
    subtitle2: _subtitle2Text,
    subtitle1: _subtitle1Text,
    headline3: _headline3Text,
    overline: _overlineText,
  ).apply(bodyColor: _black, displayColor: _black);

  static const ColorScheme _colorScheme = ColorScheme(
    primary: _primary,
    primaryVariant: _white,
    secondary: Color(0XFFD61515),
    secondaryVariant: _white,
    surface: _white,
    background: _background,
    error: Color(0XFFF00505),
    onPrimary: _white,
    onSecondary: _white,
    onSurface: _black,
    onBackground: _white,
    onError: _white,
    brightness: Brightness.light,
  );

  static const TextStyle _headline3Text = TextStyle(
    fontSize: 20,
    fontWeight: FontWeight.w600,
  );
  static const TextStyle _subtitle1Text = TextStyle(
    fontSize: 17,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _subtitle2Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _body1Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _body2Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w400,
  );
  static const TextStyle _captionText = TextStyle(
    fontSize: 13,
    fontWeight: FontWeight.w400,
  );
  static const TextStyle _overlineText = TextStyle(
    fontSize: 12,
    fontWeight: FontWeight.w300,
  );
}

class DarkThemeConfig {
  static const Color _primary = Color(0XFF007EA7);
  static const Color _white = Color(0XFFFFFFFF);
  static const Color _background = Color(0XFF202224);

  static final ThemeData themeData = ThemeData(
    backgroundColor: _background,
    scaffoldBackgroundColor: _background,
    colorScheme: _colorScheme,
    fontFamily: 'Dana-FA',
    textTheme: _textTheme,
    iconTheme: const IconThemeData(
      color: text,
    ),
    cardColor: _colorScheme.surface,
  );

  static final TextTheme _textTheme = const TextTheme(
    bodyText1: _body1Text,
    bodyText2: _body2Text,
    caption: _captionText,
    subtitle2: _subtitle2Text,
    subtitle1: _subtitle1Text,
    headline3: _headline3Text,
    overline: _overlineText,
  ).apply(bodyColor: text, displayColor: text);

  static const ColorScheme _colorScheme = ColorScheme(
    primary: _primary,
    primaryVariant: _white,
    secondary: Color(0XFFE53939),
    secondaryVariant: _white,
    surface: Color(0XFF181B1F),
    background: _background,
    error: Color(0XFFF53B3B),
    onPrimary: _white,
    onSecondary: _white,
    onSurface: text,
    onBackground: text,
    onError: _white,
    brightness: Brightness.dark,
  );

  static const TextStyle _headline3Text = TextStyle(
    fontSize: 20,
    fontWeight: FontWeight.w600,
  );
  static const TextStyle _subtitle1Text = TextStyle(
    fontSize: 17,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _subtitle2Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _body1Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w700,
  );
  static const TextStyle _body2Text = TextStyle(
    fontSize: 15,
    fontWeight: FontWeight.w400,
  );
  static const TextStyle _captionText = TextStyle(
    fontSize: 13,
    fontWeight: FontWeight.w400,
  );
  static const TextStyle _overlineText = TextStyle(
    fontSize: 12,
    fontWeight: FontWeight.w300,
  );

  // Grey colors
  static const Color white = Color(0XFFFFFFFF);
  static const Color title = Color(0XFFF5F5F5);
  static const Color text = Color(0XFFD6D6D6);
  static const Color hint = Color(0XFFBBBBBB);
  static const Color border = Color(0XFF666666);

  // Error and success
  static const Color errorLight = Color(0XFFF0C9CD);
  static const Color error = Color(0XFFF53B3B);
  static const Color successLight = Color(0XFFBBD6B4);
  static const Color success = Color(0XFF32A64C);
}

extension DidvanColorScheme on ColorScheme {
  // Secondary colors
  Color get secondaryDisabled => brightness == Brightness.dark
      ? const Color(0XFF703838)
      : const Color(0XFFFFC8C8);

  Color get white => const Color(0XFFFFFFFF);
  Color get focused => brightness == Brightness.dark
      ? const Color(0XFF323C47)
      : const Color(0XFFE6F3FA);
  Color get navigation => brightness == Brightness.dark
      ? const Color(0XFF181B1F)
      : const Color(0XFF012348);
  Color get focusedBorder => brightness == Brightness.dark
      ? const Color(0XFFC8E0F4)
      : const Color(0XFF195D80);
  Color get title => brightness == Brightness.dark
      ? const Color(0XFFD6D6D6)
      : const Color(0XFF1B3C59);
  Color get text => brightness == Brightness.dark
      ? const Color(0XFFD6D6D6)
      : const Color(0XFF292929);
  Color get inputText => brightness == Brightness.dark
      ? const Color(0XFFA3A3A3)
      : const Color(0XFF3D3D3D);
  Color get caption => brightness == Brightness.dark
      ? const Color(0XFFD6D6D6)
      : const Color(0XFF666666);
  Color get hint => const Color(0XFFBBBBBB);
  Color get disabledText => brightness == Brightness.dark
      ? const Color(0XFF666666)
      : const Color(0XFFE0E0E0);
  Color get border => brightness == Brightness.dark
      ? const Color(0XFF666666)
      : const Color(0XFFE0E0E0);
  Color get cardBorder => brightness == Brightness.dark
      ? const Color(0XFF666666)
      : const Color(0XFFEBEBEB);
  Color get disabledBackground => brightness == Brightness.dark
      ? const Color(0XFF1F1F1F)
      : const Color(0XFFE0E0E0);
  Color get secondCTA => brightness == Brightness.dark
      ? const Color(0XFF474747)
      : const Color(0XFFF5F5F5);
  Color get splash => brightness == Brightness.dark
      ? const Color(0XFF333333)
      : const Color(0XFFC8E0F4);
  Color get black => brightness == Brightness.dark
      ? const Color(0XFF1F1F1F)
      : const Color(0XFF292929);

  // Error and success colors
  Color get errorLight => brightness == Brightness.dark
      ? const Color(0XFFF0C9CD)
      : const Color(0XFFFFF8F8);
  Color get successLight => brightness == Brightness.dark
      ? const Color(0XFFBBD6B4)
      : const Color(0XFFF5FFFC);
  Color get success => brightness == Brightness.dark
      ? const Color(0XFF32A64C)
      : const Color(0XFF2BB24A);
}