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/theme/app_colors.dart

@@ -46,4 +46,49 @@ class AppColors {
     Color(0xFFF43F5E),
     Color(0xFFE11D48)
   ];
+
+  // Glassmorphism 효과를 위한 색상
+  static const glassSurface = Color(0x0FFFFFFF); // 매우 연한 흰색 (6% opacity)
+  static const glassBackground = Color(0x1AFFFFFF); // 연한 흰색 (10% opacity)
+  static const glassCard = Color(0x33FFFFFF); // 반투명 흰색 (20% opacity)
+  static const glassBorder = Color(0x4DFFFFFF); // 반투명 테두리 (30% opacity)
+  static const glassOverlay = Color(0x0D000000); // 연한 검정 오버레이 (5% opacity)
+  
+  // 다크 모드용 Glassmorphism 색상
+  static const glassSurfaceDark = Color(0x0F000000); // 매우 연한 검정 (6% opacity)
+  static const glassBackgroundDark = Color(0x1A000000); // 연한 검정 (10% opacity)
+  static const glassCardDark = Color(0x33000000); // 반투명 검정 (20% opacity)
+  static const glassBorderDark = Color(0x4D000000); // 반투명 검정 테두리 (30% opacity)
+  
+  // 백드롭 블러 효과를 위한 그라디언트
+  static const List<Color> glassGradient = [
+    Color(0x1AFFFFFF), // 10% white
+    Color(0x0FFFFFFF), // 6% white
+  ];
+  
+  static const List<Color> glassGradientDark = [
+    Color(0x1A000000), // 10% black
+    Color(0x0F000000), // 6% black
+  ];
+  
+  // 시간대별 배경 그라디언트
+  static const List<Color> morningGradient = [
+    Color(0xFFFED7AA), // 따뜻한 오렌지
+    Color(0xFFFBBF24), // 부드러운 노랑
+  ];
+  
+  static const List<Color> dayGradient = [
+    Color(0xFFDDEAFC), // 연한 하늘색
+    Color(0xFFBFDBFE), // 맑은 파랑
+  ];
+  
+  static const List<Color> eveningGradient = [
+    Color(0xFFFCA5A5), // 부드러운 핑크
+    Color(0xFFC084FC), // 연한 보라
+  ];
+  
+  static const List<Color> nightGradient = [
+    Color(0xFF4338CA), // 깊은 인디고
+    Color(0xFF1E1B4B), // 다크 네이비
+  ];
 }