fix legacy notice

yobble/Views/Login/LoginView.swift

@@ -12,15 +12,21 @@ struct LoginView: View {
     @AppStorage("messengerModeEnabled") private var isMessengerModeEnabled: Bool = false
     @State private var isShowingMessengerPrompt: Bool = true
     @State private var pendingMessengerMode: Bool = UserDefaults.standard.bool(forKey: "messengerModeEnabled")
+    @State private var showLegacySupportNotice = false
 
     var body: some View {
         ZStack {
             content
                 .animation(.easeInOut(duration: 0.25), value: viewModel.loginFlowStep)
-                .allowsHitTesting(!isShowingMessengerPrompt)
-                .blur(radius: isShowingMessengerPrompt ? 3 : 0)
+                .allowsHitTesting(!isAnyBlockingOverlayPresented)
+                .blur(radius: isAnyBlockingOverlayPresented ? 3 : 0)
 
-            if isShowingMessengerPrompt {
+            if showLegacySupportNotice {
+                LegacySupportNoticeView(isPresented: $showLegacySupportNotice)
+                    .transition(.opacity)
+            }
+
+            if isShowingMessengerPrompt && !showLegacySupportNotice {
                 Color.black.opacity(0.35)
                     .ignoresSafeArea()
                     .transition(.opacity)
@@ -36,6 +42,7 @@ struct LoginView: View {
         }
         .onAppear {
             showModePrompt()
+            showLegacySupportNoticeIfNeeded()
         }
     }
 
@@ -73,10 +80,30 @@ struct LoginView: View {
         }
     }
 
+    private var isAnyBlockingOverlayPresented: Bool {
+        isShowingMessengerPrompt || showLegacySupportNotice
+    }
+
     private var unifiedTransition: AnyTransition {
         .opacity.combined(with: .scale(scale: 0.98, anchor: .center))
     }
 
+    private func showLegacySupportNoticeIfNeeded() {
+        guard shouldShowLegacySupportNotice else { return }
+        withAnimation {
+            showLegacySupportNotice = true
+        }
+    }
+
+    private var shouldShowLegacySupportNotice: Bool {
+#if os(iOS)
+        let requiredVersion = OperatingSystemVersion(majorVersion: 16, minorVersion: 0, patchVersion: 0)
+        return !ProcessInfo.processInfo.isOperatingSystemAtLeast(requiredVersion)
+#else
+        return false
+#endif
+    }
+
     private func applyMessengerModeSelection() {
         isMessengerModeEnabled = pendingMessengerMode
         dismissMessengerPrompt()
@@ -97,7 +124,6 @@ struct PasswordLoginView: View {
     private let themeOptions = ThemeOption.ordered
     @AppStorage("messengerModeEnabled") private var isMessengerModeEnabled: Bool = false
     
-    @State private var showLegacySupportNotice = false
     @State private var isShowingTerms = false
     @State private var hasResetTermsOnAppear = false
     @State private var isShowingForgotPassword = false
@@ -239,9 +265,6 @@ struct PasswordLoginView: View {
                 viewModel.hasAcceptedTerms = false
                 hasResetTermsOnAppear = true
             }
-            if shouldShowLegacySupportNotice {
-                showLegacySupportNotice = true
-            }
         }
         .fullScreenCover(isPresented: $isShowingTerms) {
             TermsFullScreenView(
@@ -260,12 +283,6 @@ struct PasswordLoginView: View {
                 }
             }
         }
-        .overlay(alignment: .center) {
-            if showLegacySupportNotice {
-                LegacySupportNoticeView(isPresented: $showLegacySupportNotice)
-                    .transition(.opacity)
-            }
-        }
         .sheet(isPresented: $isShowingForgotPassword) {
             ForgotPasswordInfoView {
                 isShowingForgotPassword = false
@@ -288,15 +305,6 @@ struct PasswordLoginView: View {
         }
     }
 
-    private var shouldShowLegacySupportNotice: Bool {
-#if os(iOS)
-        let requiredVersion = OperatingSystemVersion(majorVersion: 16, minorVersion: 0, patchVersion: 0)
-        return !ProcessInfo.processInfo.isOperatingSystemAtLeast(requiredVersion)
-#else
-        return false
-#endif
-    }
-
     private func hideKeyboardAndShowModePrompt() {
         focusedField = nil
         onShowModePrompt()
@@ -307,54 +315,6 @@ struct PasswordLoginView: View {
         UIApplication.shared.open(url)
     }
 
-    private struct LegacySupportNoticeView: View {
-        @Binding var isPresented: Bool
-
-        var body: some View {
-            ZStack {
-                Color.black.opacity(0.5)
-                    .ignoresSafeArea()
-                    .onTapGesture {
-                        isPresented = false
-                    }
-
-                VStack(spacing: 16) {
-                    Image(systemName: "exclamationmark.triangle.fill")
-                        .font(.system(size: 40, weight: .bold))
-                        .foregroundColor(.yellow)
-
-                    Text("Экспериментальная поддержка iOS 15")
-                        .font(.headline)
-                        .multilineTextAlignment(.center)
-
-                    Text("Поддержка iOS 15 работает в экспериментальном режиме. Для лучшей совместимости требуется iOS 16+.")
-                        .font(.subheadline)
-                        .foregroundColor(.secondary)
-                        .multilineTextAlignment(.center)
-
-                    Button {
-                        isPresented = false
-                    } label: {
-                        Text("Понятно")
-                            .bold()
-                            .frame(maxWidth: .infinity)
-                            .padding()
-                            .background(Color.blue)
-                            .foregroundColor(.white)
-                            .cornerRadius(12)
-                    }
-                }
-                .padding(24)
-                .background(
-                    RoundedRectangle(cornerRadius: 20, style: .continuous)
-                        .fill(Color(.systemBackground))
-                )
-                .frame(maxWidth: 320)
-                .shadow(radius: 10)
-            }
-        }
-    }
-
     private var selectedThemeOption: ThemeOption {
         ThemeOption.option(for: themeManager.theme)
     }
@@ -499,6 +459,54 @@ private struct PasswordlessRequestView: View {
     }
 }
 
+private struct LegacySupportNoticeView: View {
+    @Binding var isPresented: Bool
+
+    var body: some View {
+        ZStack {
+            Color.black.opacity(0.5)
+                .ignoresSafeArea()
+                .onTapGesture {
+                    isPresented = false
+                }
+
+            VStack(spacing: 16) {
+                Image(systemName: "exclamationmark.triangle.fill")
+                    .font(.system(size: 40, weight: .bold))
+                    .foregroundColor(.yellow)
+
+                Text("Экспериментальная поддержка iOS 15")
+                    .font(.headline)
+                    .multilineTextAlignment(.center)
+
+                Text("Поддержка iOS 15 работает в экспериментальном режиме. Для лучшей совместимости требуется iOS 16+.")
+                    .font(.subheadline)
+                    .foregroundColor(.secondary)
+                    .multilineTextAlignment(.center)
+
+                Button {
+                    isPresented = false
+                } label: {
+                    Text("Понятно")
+                        .bold()
+                        .frame(maxWidth: .infinity)
+                        .padding()
+                        .background(Color.blue)
+                        .foregroundColor(.white)
+                        .cornerRadius(12)
+                }
+            }
+            .padding(24)
+            .background(
+                RoundedRectangle(cornerRadius: 20, style: .continuous)
+                    .fill(Color(.systemBackground))
+            )
+            .frame(maxWidth: 320)
+            .shadow(radius: 10)
+        }
+    }
+}
+
 private struct PasswordlessVerifyView: View {
     @ObservedObject var viewModel: LoginViewModel
     let shouldAutofocus: Bool