UI overhaul: new color palette, trip creation improvements, crash fix

Theme:
- New teal/cyan/mint/pink/gold color palette replacing orange/cream
- Added Theme.swift, ViewModifiers.swift, AnimatedComponents.swift

Trip Creation:
- Removed Drive/Fly toggle (drive-only for now)
- Removed Lodging Type picker
- Renamed "Number of Stops" to "Number of Cities" with explanation
- Added explanation for "Find Other Sports Along Route"
- Removed staggered animation from trip options list

Bug Fix:
- Disabled AI route description generation (Foundation Models crashes
  in iOS 26.2 Simulator due to NLLanguageRecognizer assertion failure)

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

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

SportsTime/Core/Models/Domain/Game.swift

@@ -72,7 +72,7 @@ extension Game: Equatable {
 
 // MARK: - Rich Game Model (with resolved references)
 
-struct RichGame: Identifiable, Hashable {
+struct RichGame: Identifiable, Hashable, Codable {
     let game: Game
     let homeTeam: Team
     let awayTeam: Team

SportsTime/Core/Models/Domain/Sport.swift

@@ -45,13 +45,14 @@ enum Sport: String, Codable, CaseIterable, Identifiable {
         }
     }
 
-    var seasonMonths: ClosedRange<Int> {
+    /// Season start and end months (1-12). End may be less than start for seasons that wrap around the year.
+    var seasonMonths: (start: Int, end: Int) {
         switch self {
-        case .mlb: return 3...10  // March - October
-        case .nba: return 10...6  // October - June (wraps)
-        case .nhl: return 10...6  // October - June (wraps)
-        case .nfl: return 9...2   // September - February (wraps)
-        case .mls: return 2...12  // February - December
+        case .mlb: return (3, 10)   // March - October
+        case .nba: return (10, 6)   // October - June (wraps)
+        case .nhl: return (10, 6)   // October - June (wraps)
+        case .nfl: return (9, 2)    // September - February (wraps)
+        case .mls: return (2, 12)   // February - December
         }
     }
 
@@ -59,12 +60,13 @@ enum Sport: String, Codable, CaseIterable, Identifiable {
         let calendar = Calendar.current
         let month = calendar.component(.month, from: date)
 
-        let range = seasonMonths
-        if range.lowerBound <= range.upperBound {
-            return range.contains(month)
+        let (start, end) = seasonMonths
+        if start <= end {
+            // Normal range (e.g., March to October)
+            return month >= start && month <= end
         } else {
-            // Season wraps around year boundary
-            return month >= range.lowerBound || month <= range.upperBound
+            // Season wraps around year boundary (e.g., October to June)
+            return month >= start || month <= end
         }
     }