feat: adapt for halloween

design_system/lib/widgets/app_scaffold.dart

@@ -10,11 +10,13 @@ class AppScaffold extends StatelessWidget {
   final Widget child;
   final bool? showBackButton;
   final bool resizeToAvoidBottomInset;
+  final bool showSpiderLottie;
 
   const AppScaffold({
     required this.child,
     this.showBackButton,
     this.resizeToAvoidBottomInset = false,
+    this.showSpiderLottie = false,
     super.key,
   });
 
@@ -23,7 +25,7 @@ class AppScaffold extends StatelessWidget {
         resizeToAvoidBottomInset: resizeToAvoidBottomInset,
         body: Stack(
           children: [
-            const ScreenBackgroundContainer(),
+            ScreenBackgroundContainer(showSpiderLottie: showSpiderLottie),
             SafeArea(
               child: Container(
                 width: 1.sw,

design_system/lib/widgets/background.dart

@@ -1,10 +1,13 @@
 import 'package:design_system/extensions/context_extensions.dart';
-import 'package:design_system/gen/assets.gen.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
+import 'package:design_system/gen/assets.gen.dart';
+
 class ScreenBackgroundContainer extends StatelessWidget {
-  const ScreenBackgroundContainer({super.key});
+  final bool showSpiderLottie;
+
+  const ScreenBackgroundContainer({super.key, this.showSpiderLottie = false});
 
   @override
   Widget build(BuildContext context) => Container(
@@ -23,6 +26,22 @@ class ScreenBackgroundContainer extends StatelessWidget {
               right: 0,
               child: Assets.images.backgroundRedProp.image(),
             ),
+            Positioned(
+              bottom: 0,
+              left: 0,
+              child: Assets.images.backgroundDownSpiderweb.image(),
+            ),
+            Positioned(
+              top: 0,
+              right: 0,
+              child: Assets.images.backgroundTopSpiderweb.image(),
+            ),
+            if (showSpiderLottie)
+              Positioned(
+                top: 0,
+                right: 0,
+                child: Assets.lottie.spider.lottie(),
+              ),
           ],
         ),
       );