feat(design): add Classic Animated home screen style

New design style combines the Classic layout with subtle animated
backgrounds featuring floating sports icons and route lines.
Animations are slow and unobtrusive to avoid distracting from content.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Core/Design/UIDesignStyle.swift

@@ -11,6 +11,7 @@ import SwiftUI
 enum UIDesignStyle: String, CaseIterable, Identifiable, Codable {
     // Default
     case classic = "Classic"
+    case classicAnimated = "Classic Animated"
 
     // Original experimental aesthetics
     case brutalist = "Brutalist"
@@ -44,6 +45,8 @@ enum UIDesignStyle: String, CaseIterable, Identifiable, Codable {
         switch self {
         case .classic:
             return "The original SportsTime design"
+        case .classicAnimated:
+            return "Classic with animated sports backgrounds"
         case .brutalist:
             return "Raw, unpolished anti-design rebellion"
         case .luxuryEditorial:
@@ -94,6 +97,7 @@ enum UIDesignStyle: String, CaseIterable, Identifiable, Codable {
     var iconName: String {
         switch self {
         case .classic: return "star.fill"
+        case .classicAnimated: return "sparkles"
         case .brutalist: return "hammer.fill"
         case .luxuryEditorial: return "book.fill"
         case .retroFuturism: return "tv.fill"
@@ -122,6 +126,7 @@ enum UIDesignStyle: String, CaseIterable, Identifiable, Codable {
     var accentColor: Color {
         switch self {
         case .classic: return Color(red: 1.0, green: 0.45, blue: 0.2) // Warm Orange
+        case .classicAnimated: return Color(red: 1.0, green: 0.45, blue: 0.2) // Warm Orange (same as Classic)
         case .brutalist: return .red
         case .luxuryEditorial: return Color(red: 0.85, green: 0.65, blue: 0.13) // Gold
         case .retroFuturism: return Color(red: 0.0, green: 1.0, blue: 0.8) // Cyan