tweaks

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/utils/extension/theme_ext.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+extension ColorSchemeExt on ColorScheme {
+  Color get vipColor =>
+      brightness.isLight ? const Color(0xFFFF6699) : const Color(0xFFD44E7D);
+
+  Color get freeColor =>
+      brightness.isLight ? const Color(0xFFFF7F24) : const Color(0xFFD66011);
+
+  bool get isLight => brightness.isLight;
+
+  bool get isDark => brightness.isDark;
+}
+
+extension ColorExtension on Color {
+  Color darken([double amount = .5]) {
+    assert(amount >= 0 && amount <= 1, 'Amount must be between 0 and 1');
+    return Color.lerp(this, Colors.black, amount)!;
+  }
+}
+
+extension BrightnessExt on Brightness {
+  Brightness get reverse => isLight ? Brightness.dark : Brightness.light;
+
+  bool get isLight => this == Brightness.light;
+
+  bool get isDark => this == Brightness.dark;
+}