Fix Pin verification view colors

This allows light and dark mode to look better with this view.

Author: cwbooth5

SnapSafe/Screens/PinVerification/PINVerificationView.swift

@@ -21,11 +21,12 @@ struct PINVerificationView: View {
                 .padding(.top, 50)
 
             Text("SnapSafe")
+                .foregroundColor(.primary)
                 .font(.largeTitle)
                 .bold()
-            
+
             Text("Enter your PIN to continue")
-                .foregroundColor(Color(UIColor.lightText))
+                .foregroundColor(.secondary)
 
             if viewModel.shouldShowAttemptsWarning {
                 Text(viewModel.attemptsWarningMessage)
@@ -34,12 +35,12 @@ struct PINVerificationView: View {
                     .padding(.top, 5)
             }
 
-            SecureField("PIN", text: $viewModel.pin, prompt: Text("PIN").foregroundColor(Color(UIColor.lightText)))
+            SecureField("PIN", text: $viewModel.pin, prompt: Text("PIN").foregroundColor(.secondary))
                 .keyboardType(.numberPad)
                 .textContentType(.oneTimeCode)
                 .multilineTextAlignment(.center)
                 .padding()
-                .foregroundColor(Color(UIColor.lightText))
+                .foregroundColor(.primary)
                 .overlay(
                     RoundedRectangle(cornerRadius: 8)
                         .stroke(Color(UIColor.systemGray3), lineWidth: 1)

SnapSafe/Screens/SecurityOverlayView.swift

@@ -17,15 +17,28 @@ struct SecurityOverlayView: View {
     var body: some View {
         ZStack {
             // Background for all overlay states
-            Color.black
+            backgroundColor
                 .opacity(backgroundOpacity)
                 .edgesIgnoringSafeArea(.all)
-            
+
             // Content based on state
             overlayContent
         }
         .transition(.opacity.animation(.easeInOut(duration: 0.2)))
     }
+
+    private var backgroundColor: Color {
+        switch state {
+        case .normal:
+            return Color.clear
+        case .screenRecording, .privacyShield:
+            // Use black for screen recording and privacy shield
+            return Color.black
+        case .requiresAuthentication:
+            // Use system background for authentication (adapts to light/dark mode)
+            return Color(UIColor.systemBackground)
+        }
+    }
 
     @ViewBuilder
     private var overlayContent: some View {