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/Services/StubDataProvider.swift

@@ -282,7 +282,7 @@ actor StubDataProvider: DataProvider {
         let timeWithoutAMPM = cleanTime.replacingOccurrences(of: "p", with: "").replacingOccurrences(of: "a", with: "")
 
         let components = timeWithoutAMPM.split(separator: ":")
-        if let h = Int(components[0]) {
+        if !components.isEmpty, let h = Int(components[0]) {
             hour = h
             if isPM && hour != 12 {
                 hour += 12