Add iOS/iPad target with platform-adaptive UI

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mlbTVOS/Views/GameListView.swift

@@ -4,6 +4,7 @@ struct StreamOptionsSheet: View {
     let game: Game
     var onWatch: ((BroadcastSelection) -> Void)?
     @Environment(GamesViewModel.self) private var viewModel
+    @Environment(\.horizontalSizeClass) private var horizontalSizeClass
     @Environment(\.dismiss) private var dismiss
 
     private var awayColor: Color { TeamAssets.color(for: game.awayTeam.code) }
@@ -17,6 +18,22 @@ struct StreamOptionsSheet: View {
         viewModel.activeStreams.count < 4
     }
 
+    private var usesStackedLayout: Bool {
+        #if os(iOS)
+        horizontalSizeClass == .compact
+        #else
+        false
+        #endif
+    }
+
+    private var horizontalPadding: CGFloat {
+        usesStackedLayout ? 20 : 56
+    }
+
+    private var verticalPadding: CGFloat {
+        usesStackedLayout ? 24 : 42
+    }
+
     private var awayPitcherName: String? {
         guard let pitchers = game.pitchers else { return nil }
         let parts = pitchers.components(separatedBy: " vs ")
@@ -32,12 +49,20 @@ struct StreamOptionsSheet: View {
     var body: some View {
         ScrollView {
             VStack(spacing: 28) {
-                HStack(alignment: .top, spacing: 28) {
-                    matchupColumn
-                        .frame(maxWidth: .infinity, alignment: .leading)
+                ViewThatFits {
+                    HStack(alignment: .top, spacing: 28) {
+                        matchupColumn
+                            .frame(maxWidth: .infinity, alignment: .leading)
 
-                    actionRail
-                        .frame(width: 520, alignment: .leading)
+                        actionRail
+                            .frame(width: 520, alignment: .leading)
+                    }
+
+                    VStack(alignment: .leading, spacing: 24) {
+                        matchupColumn
+                        actionRail
+                            .frame(maxWidth: .infinity, alignment: .leading)
+                    }
                 }
 
                 if !canAddMoreStreams {
@@ -53,8 +78,8 @@ struct StreamOptionsSheet: View {
                     .background(panelBackground)
                 }
             }
-            .padding(.horizontal, 56)
-            .padding(.vertical, 42)
+            .padding(.horizontal, horizontalPadding)
+            .padding(.vertical, verticalPadding)
         }
         .background(sheetBackground.ignoresSafeArea())
     }
@@ -470,7 +495,7 @@ struct StreamOptionsSheet: View {
                     .fill(fill)
             )
         }
-        .buttonStyle(.card)
+        .platformCardStyle()
         .disabled(disabled)
     }