Major UI/UX and architecture improvements

- Implemented new navigation system with NavigationProvider and route management
- Added adaptive theme system with ThemeProvider for better theme handling
- Introduced glassmorphism design elements (app bars, scaffolds, cards)
- Added advanced animations (spring animations, page transitions, staggered lists)
- Implemented performance optimizations (memory manager, lazy loading)
- Refactored Analysis screen into modular components
- Added floating navigation bar with haptic feedback
- Improved subscription cards with swipe actions
- Enhanced skeleton loading with better animations
- Added cached network image support
- Improved overall app architecture and code organization

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/widgets/native_ad_widget.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:google_mobile_ads/google_mobile_ads.dart';
 import 'package:flutter/foundation.dart' show kIsWeb;
 import 'dart:io' show Platform;
+import 'glassmorphism_card.dart';
 
 /// 구글 네이티브 광고 위젯 (AdMob NativeAd)
 /// SRP에 따라 광고 전용 위젯으로 분리
@@ -84,9 +85,10 @@ class _NativeAdWidgetState extends State<NativeAdWidget> {
   Widget _buildWebPlaceholder() {
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
-      child: Card(
-        elevation: 2,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      child: GlassmorphismCard(
+        borderRadius: 16,
+        blur: 10,
+        opacity: 0.1,
         child: Container(
           height: 80,
           padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
@@ -186,9 +188,10 @@ class _NativeAdWidgetState extends State<NativeAdWidget> {
     // 광고 정상 노출
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
-      child: Card(
-        elevation: 2,
-        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      child: GlassmorphismCard(
+        borderRadius: 16,
+        blur: 10,
+        opacity: 0.1,
         child: SizedBox(
           height: 80, // 네이티브 광고 높이 조정
           child: AdWidget(ad: _nativeAd!),