feat: adopt material 3 theme and billing adjustments

lib/widgets/analysis/analysis_badge.dart

@@ -4,7 +4,7 @@ import 'package:provider/provider.dart';
 import '../../models/subscription_model.dart';
 import '../../services/currency_util.dart';
 import '../../providers/locale_provider.dart';
-import '../../theme/app_colors.dart';
+// import '../../theme/app_colors.dart';
 
 /// 파이 차트에서 선택된 섹션에 표시되는 배지 위젯
 class AnalysisBadge extends StatelessWidget {
@@ -26,15 +26,15 @@ class AnalysisBadge extends StatelessWidget {
       width: size,
       height: size,
       decoration: BoxDecoration(
-        color: AppColors.pureWhite,
+        color: Theme.of(context).colorScheme.surface,
         shape: BoxShape.circle,
         border: Border.all(
           color: borderColor,
           width: 2,
         ),
-        boxShadow: const [
+        boxShadow: [
           BoxShadow(
-            color: AppColors.shadowBlack,
+            color: Colors.black.withValues(alpha: 0.08),
             blurRadius: 10,
             spreadRadius: 2,
           ),
@@ -48,10 +48,10 @@ class AnalysisBadge extends StatelessWidget {
               subscription.serviceName.length > 5
                   ? '${subscription.serviceName.substring(0, 5)}...'
                   : subscription.serviceName,
-              style: const TextStyle(
+              style: TextStyle(
                 fontSize: 8,
                 fontWeight: FontWeight.bold,
-                color: AppColors.darkNavy,
+                color: Theme.of(context).colorScheme.onSurface,
               ),
             ),
             const SizedBox(height: 0),
@@ -82,9 +82,9 @@ class AnalysisBadge extends StatelessWidget {
                   }
                   return Text(
                     displayText,
-                    style: const TextStyle(
+                    style: TextStyle(
                       fontSize: 7,
-                      color: AppColors.navyGray,
+                      color: Theme.of(context).colorScheme.onSurfaceVariant,
                     ),
                   );
                 }