Adapt the iOS app to native iOS 26 navigation and Liquid Glass.

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -31,7 +31,7 @@ větve.
 | Windows (x64) | [maturita-installer-windows.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-windows.zip) | Rozbalit a dvojklik; u SmartScreenu **Další informace → Přesto spustit** |
 | Linux (x86_64) | [maturita-installer-linux.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-linux.zip) | Rozbalit a dvojklik na instalátor |
 | Android (8+) | [maturita-installer-android.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-android.zip) | Rozbalit, otevřít **Stahnout maturita.C.html** a nainstalovat APK (neznámé zdroje) |
-| iOS (16+) | [maturita-installer-ios.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-ios.zip) | Rozbalit, otevřít **Jak nainstalovat maturita.C.html**. Nejjednodušší: Xcode na Macu, nebo IPA přes AltStore |
+| iOS (26+) | [maturita-installer-ios.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-ios.zip) | Rozbalit, otevřít **Jak nainstalovat maturita.C.html**. Nejjednodušší: Xcode na Macu, nebo IPA přes AltStore |
 
 Kam se to nainstaluje: `/Applications` nebo `~/Applications` (macOS),
 `%LOCALAPPDATA%\Programs\Maturita` (Windows), `~/Applications` (Linux).
@@ -160,7 +160,7 @@ cd android
 
 nebo z kořene `make android`.
 
-iOS ze zdroje (Xcode 16, iOS 16+):
+iOS ze zdroje (Xcode 26, iOS 26+ / Liquid Glass):
 
 ```bash
 python3 scripts/extract-android-content.py
@@ -198,7 +198,7 @@ branch-named file.
 | Windows (x64) | [maturita-installer-windows.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-windows.zip) | Unzip and double-click; if SmartScreen appears, **More info → Run anyway** |
 | Linux (x86_64) | [maturita-installer-linux.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-linux.zip) | Unzip and double-click the installer |
 | Android (8+) | [maturita-installer-android.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-android.zip) | Unzip, open **Stahnout maturita.C.html**, then install the APK (unknown sources) |
-| iOS (16+) | [maturita-installer-ios.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-ios.zip) | Unzip, open **Jak nainstalovat maturita.C.html**. Easiest: Xcode on a Mac, or the IPA via AltStore |
+| iOS (26+) | [maturita-installer-ios.zip](https://github.com/pepaskopec-blip/maturita.c/raw/main/installers/maturita-installer-ios.zip) | Unzip, open **Jak nainstalovat maturita.C.html**. Easiest: Xcode on a Mac, or the IPA via AltStore |
 
 Install locations: `/Applications` or `~/Applications` (macOS),
 `%LOCALAPPDATA%\Programs\Maturita` (Windows), `~/Applications` (Linux).
@@ -328,7 +328,7 @@ cd android
 
 or `make android` from the repo root.
 
-iOS from source (Xcode 16, iOS 16+):
+iOS from source (Xcode 26, iOS 26+ / Liquid Glass):
 
 ```bash
 python3 scripts/extract-android-content.py

installers/maturita-ios.html

@@ -28,8 +28,9 @@
   </style>
 </head>
 <body>
-  <h1>maturita.C pro iPhone</h1>
+  <h1>maturita.C pro iPhone (iOS 26)</h1>
   <p>
+    Nativní aplikace pro iOS 26+ s Liquid Glass. Není 1:1 kopie desktopu.
     Apple nepovolí instalaci jako Android APK. Nejjednodušší cesta je Mac
     s Xcode a vlastní iPhone (bezplatný Apple účet stačí na 7 dní).
   </p>

ios/Maturita.xcodeproj/project.pbxproj

@@ -251,7 +251,7 @@
 				ENABLE_TESTABILITY = YES;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -269,7 +269,7 @@
 				CLANG_ENABLE_OBJC_ARC = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -296,7 +296,7 @@
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -329,7 +329,7 @@
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

ios/Maturita/AppModel.swift

@@ -9,12 +9,11 @@ final class AppModel: ObservableObject {
     @Published var themeId: ThemeId
     @Published var mode: ColorMode
     @Published var lang: UiLang
-    @Published var settingsOpen = false
+    @Published var tab: AppTab = .practice
-    @Published var searchOpen = false
+    @Published var practicePath: [Route] = []
     @Published var searchQuery = ""
     @Published var tick = 0
     @Published var update = UpdateState()
-    @Published var stack: [Route] = [.welcome]
 
     init() {
         themeId = progress.themeId
@@ -22,8 +21,6 @@ final class AppModel: ObservableObject {
         lang = progress.lang
     }
 
-    var route: Route { stack.last ?? .welcome }
-    var canGoBack: Bool { stack.count > 1 }
     var palette: Palette { themePalette(themeId, mode) }
 
     func tr(_ key: String?) -> String { content.tr(key, lang: lang) }
@@ -33,9 +30,21 @@ final class AppModel: ObservableObject {
     }
 
     func go(_ r: Route) {
-        if stack.last == r { return }
+        switch r {
-        stack.append(r)
+        case .stats:
-        searchOpen = false
+            tab = .progress
+        case .welcome, .subjects:
+            tab = .practice
+            practicePath = []
+        default:
+            tab = .practice
+            if practicePath.last == r { return }
+            if practicePath.isEmpty {
+                practicePath = r.stack
+            } else {
+                practicePath.append(r)
+            }
+        }
     }
 
     func goPage(_ page: String?) {
@@ -43,8 +52,18 @@ final class AppModel: ObservableObject {
         go(r)
     }
 
-    func back() {
+    func openFromSearch(_ page: String) {
-        if stack.count > 1 { stack.removeLast() }
+        guard let r = routeFromPage(page) else { return }
+        switch r {
+        case .stats:
+            tab = .progress
+        case .welcome, .subjects:
+            tab = .practice
+            practicePath = []
+        default:
+            tab = .practice
+            practicePath = r.stack
+        }
     }
 
     func setTheme(_ id: ThemeId) {

ios/Maturita/MaturitaApp.swift

@@ -6,149 +6,172 @@ struct MaturitaApp: App {
 
     var body: some Scene {
         WindowGroup {
-            MaturitaRoot(vm: vm)
+            NativeRoot(vm: vm)
         }
     }
 }
 
-struct MaturitaRoot: View {
+struct NativeRoot: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
+        Group {
-        ZStack {
+            if showsUpdateAccessory {
-            p.base.ignoresSafeArea()
+                tabs.tabViewBottomAccessory { UpdateAccessory(vm: vm) }
-            VStack(spacing: 0) {
+            } else {
-                HStack {
+                tabs
-                    Text("maturita.c")
-                        .font(.system(size: 15, weight: .medium))
-                        .foregroundStyle(p.text)
-                    Spacer()
-                    IconHit(action: { vm.searchOpen = true }) { SearchIcon(color: p.text) }
-                    IconHit(action: { vm.go(.stats) }) { StatsIcon(color: p.text) }
-                    IconHit(action: { vm.settingsOpen = true }) { SettingsIcon(color: p.text) }
-                }
-                .padding(.horizontal, 12)
-                .padding(.vertical, 6)
-                if vm.update.canInstall || vm.update.status == "downloading" || vm.update.status == "staged" {
-                    HStack {
-                        Text(bannerText)
-                            .font(.system(size: 13))
-                            .foregroundStyle(p.text)
-                        Spacer()
-                        if vm.update.canInstall {
-                            PillButton(label: vm.tr("update_install"), palette: p) { vm.installUpdate() }
-                        }
-                    }
-                    .padding(.horizontal, 12)
-                    .padding(.vertical, 10)
-                    .background(p.surface1, in: RoundedRectangle(cornerRadius: 14, style: .continuous))
-                    .padding(.horizontal, 12)
-                }
-                routeView
-                    .id(vm.tick)
-                    .frame(maxWidth: .infinity, maxHeight: .infinity)
-            }
-            if vm.searchOpen {
-                SearchOverlay(vm: vm).ignoresSafeArea(edges: .bottom)
-            }
-            if vm.settingsOpen {
-                SettingsSheet(vm: vm).ignoresSafeArea(edges: .bottom)
             }
         }
+        .tint(vm.palette.accent)
         .preferredColorScheme(vm.mode == .dark ? .dark : .light)
         .onAppear { vm.checkUpdate(false) }
     }
 
+    private var showsUpdateAccessory: Bool {
+        vm.update.canInstall || vm.update.status == "downloading" || vm.update.status == "staged"
+    }
+
+    private var tabs: some View {
+        TabView(selection: $vm.tab) {
+            Tab(vm.tr("subjects_title"), systemImage: "square.grid.2x2.fill", value: .practice) {
+                NavigationStack(path: $vm.practicePath) {
+                    PracticeHome(vm: vm)
+                        .navigationDestination(for: Route.self) { route in
+                            RouteDestination(vm: vm, route: route)
+                        }
+                }
+            }
+            Tab(vm.tr("stats"), systemImage: "chart.bar.fill", value: .progress) {
+                NavigationStack {
+                    StatsScreen(vm: vm)
+                }
+            }
+            Tab(vm.tr("settings"), systemImage: "gearshape.fill", value: .settings) {
+                NavigationStack {
+                    SettingsScreen(vm: vm)
+                }
+            }
+            Tab(vm.tr("search_placeholder"), systemImage: "magnifyingglass", value: .search, role: .search) {
+                NavigationStack {
+                    SearchScreen(vm: vm)
+                }
+            }
+        }
+        .tabViewStyle(.sidebarAdaptable)
+        .tabBarMinimizeBehavior(.onScrollDown)
+    }
+}
+
+private struct UpdateAccessory: View {
+    @ObservedObject var vm: AppModel
+
+    var body: some View {
+        HStack {
+            Text(bannerText)
+                .font(.subheadline)
+            Spacer()
+            if vm.update.canInstall {
+                Button(vm.tr("update_install")) { vm.installUpdate() }
+                    .buttonStyle(.borderedProminent)
+            }
+        }
+        .padding(.horizontal, 4)
+    }
+
     private var bannerText: String {
         if let arg = vm.update.messageArg {
             return vm.fmt(vm.update.messageKey, arg)
         }
         return vm.tr(vm.update.messageKey)
     }
+}
 
-    @ViewBuilder
+struct RouteDestination: View {
-    private var routeView: some View {
+    @ObservedObject var vm: AppModel
-        switch vm.route {
+    let route: Route
-        case .welcome: WelcomeScreen(vm: vm)
+
-        case .subjects: SubjectsScreen(vm: vm)
+    var body: some View {
-        case .stats: StatsScreen(vm: vm)
+        switch route {
-        case .roadmap: RoadmapScreen(vm: vm)
+        case .welcome, .subjects:
-        case .unitMap(let id): UnitMapScreen(vm: vm, unitId: id)
+            PracticeHome(vm: vm)
-        case .germanEx(let unit, let ex): GermanExercise(vm: vm, unitId: unit, ex: ex)
+        case .stats:
-        case .vocab(let id): VocabExercise(vm: vm, unitId: id)
+            StatsScreen(vm: vm)
-        case .netYears: NetYearsScreen(vm: vm)
+        case .roadmap:
+            RoadmapScreen(vm: vm)
+        case .unitMap(let id):
+            UnitMapScreen(vm: vm, unitId: id)
+        case .germanEx(let unit, let ex):
+            GermanExercise(vm: vm, unitId: unit, ex: ex)
+        case .vocab(let id):
+            VocabExercise(vm: vm, unitId: id)
+        case .netYears:
+            NetYearsScreen(vm: vm)
         case .netMap:
-            LessonMapScreen(
+            LessonListScreen(
-                vm: vm,
                 title: vm.tr("net_year1"),
-                sub: vm.tr("net_sub"),
+                subtitle: vm.tr("net_sub"),
-                nodes: vm.content.netLessons.map { l in
+                rows: vm.content.netLessons.map { l in
                     let id = l.int("id")
-                    return MapNode(
+                    return LessonRow(
                         id: "n\(id)",
-                        label: vm.tr(l.str("titleKey")),
+                        title: vm.tr(l.str("titleKey")),
-                        locked: false,
                         done: vm.progress.netDone(id),
-                        current: !vm.progress.netDone(id),
+                        destination: .netLesson(id)
-                        onClick: { vm.go(.netLesson(id)) }
                     )
                 }
             )
         case .netLesson(let id):
             if let l = vm.content.netLesson(id) {
-                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), sub: vm.tr(l.str("subKey")), slides: l.arr("slides")) {
+                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .netEx(id))
-                    vm.go(.netEx(id))
             }
-            }
+        case .netEx(let id):
-        case .netEx(let id): NetQuizScreen(vm: vm, id: id)
+            NetQuizScreen(vm: vm, id: id)
         case .hwMap:
-            LessonMapScreen(
+            LessonListScreen(
-                vm: vm,
                 title: vm.tr("Technické vybavení"),
-                sub: vm.tr("hw_sub"),
+                subtitle: vm.tr("hw_sub"),
-                nodes: vm.content.hw.map { l in
+                rows: vm.content.hw.map { l in
                     let id = l.int("id")
-                    return MapNode(
+                    return LessonRow(
                         id: "h\(id)",
-                        label: vm.tr(l.str("titleKey")),
+                        title: vm.tr(l.str("titleKey")),
-                        locked: false,
                         done: vm.progress.hwDone(id),
-                        current: !vm.progress.hwDone(id),
+                        destination: .hwLesson(id)
-                        onClick: { vm.go(.hwLesson(id)) }
                     )
                 }
             )
         case .hwLesson(let id):
             if let l = vm.content.hwLesson(id) {
-                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), sub: vm.tr(l.str("subKey")), slides: l.arr("slides")) {
+                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .hwEx(id))
-                    vm.go(.hwEx(id))
             }
-            }
+        case .hwEx(let id):
-        case .hwEx(let id): HwQuizScreen(vm: vm, id: id)
+            HwQuizScreen(vm: vm, id: id)
-        case .czechMap: CzechMapScreen(vm: vm)
+        case .czechMap:
+            CzechMapScreen(vm: vm)
         case .mluvnice:
-            LessonMapScreen(
+            LessonListScreen(
-                vm: vm,
                 title: vm.tr("Mluvnice"),
-                sub: "Cvičení z mluvnice – styl maturita / přijímačky z ČJL",
+                subtitle: "Cvičení z mluvnice",
-                nodes: vm.content.mluvnice.map { m in
+                rows: vm.content.mluvnice.map { m in
                     let n = m.int("id")
-                    return MapNode(
+                    return LessonRow(
                         id: "m\(n)",
-                        label: m.str("name"),
+                        title: m.str("name"),
-                        locked: false,
                         done: vm.progress.mluvDone(n),
-                        current: !vm.progress.mluvDone(n),
+                        destination: .mluvEx(n)
-                        onClick: { vm.go(.mluvEx(n)) }
                     )
                 }
             )
-        case .mluvEx(let n): MluvExercise(vm: vm, n: n)
+        case .mluvEx(let n):
-        case .readingList: BookListScreen(vm: vm)
+            MluvExercise(vm: vm, n: n)
-        case .book(let id): BookScreen(vm: vm, id: id)
+        case .readingList:
-        case .bookQuiz(let id): LitQuizScreen(vm: vm, id: id)
+            BookListScreen(vm: vm)
-        case .bookPlot(let id): PlotScreen(vm: vm, id: id)
+        case .book(let id):
+            BookScreen(vm: vm, id: id)
+        case .bookQuiz(let id):
+            LitQuizScreen(vm: vm, id: id)
+        case .bookPlot(let id):
+            PlotScreen(vm: vm, id: id)
         }
     }
 }

ios/Maturita/Route.swift

@@ -1,6 +1,13 @@
 import Foundation
 
-enum Route: Equatable {
+enum AppTab: Hashable {
+    case practice
+    case progress
+    case search
+    case settings
+}
+
+enum Route: Hashable {
     case welcome
     case subjects
     case stats
@@ -48,6 +55,50 @@ enum Route: Equatable {
         case .bookPlot(let id): return id == "1984" ? "cetba1984dej" : "cetbaFuksDej"
         }
     }
+
+    /// Stack of destinations on top of the practice root.
+    var stack: [Route] {
+        switch self {
+        case .welcome, .subjects, .stats:
+            return []
+        case .roadmap:
+            return [.roadmap]
+        case .unitMap(let id):
+            return [.roadmap, .unitMap(id)]
+        case .germanEx(let unit, let ex):
+            return [.roadmap, .unitMap(unit), .germanEx(unit, ex)]
+        case .vocab(let unit):
+            return [.roadmap, .unitMap(unit), .vocab(unit)]
+        case .netYears:
+            return [.netYears]
+        case .netMap:
+            return [.netYears, .netMap]
+        case .netLesson(let id):
+            return [.netYears, .netMap, .netLesson(id)]
+        case .netEx(let id):
+            return [.netYears, .netMap, .netLesson(id), .netEx(id)]
+        case .hwMap:
+            return [.hwMap]
+        case .hwLesson(let id):
+            return [.hwMap, .hwLesson(id)]
+        case .hwEx(let id):
+            return [.hwMap, .hwLesson(id), .hwEx(id)]
+        case .czechMap:
+            return [.czechMap]
+        case .mluvnice:
+            return [.czechMap, .mluvnice]
+        case .mluvEx(let n):
+            return [.czechMap, .mluvnice, .mluvEx(n)]
+        case .readingList:
+            return [.czechMap, .readingList]
+        case .book(let id):
+            return [.czechMap, .readingList, .book(id)]
+        case .bookQuiz(let id):
+            return [.czechMap, .readingList, .book(id), .bookQuiz(id)]
+        case .bookPlot(let id):
+            return [.czechMap, .readingList, .book(id), .bookPlot(id)]
+        }
+    }
 }
 
 func routeFromPage(_ page: String) -> Route? {

ios/Maturita/UI/Components.swift

@@ -41,98 +41,33 @@ struct FlowLayout: Layout {
 
 struct PrimaryButton: View {
     let label: String
-    let palette: Palette
     var action: () -> Void
 
     var body: some View {
-        Button(action: action) {
+        Button(label, action: action)
-            Text(label)
+            .buttonStyle(.borderedProminent)
-                .font(.system(size: 15, weight: .medium))
+            .controlSize(.large)
-                .foregroundStyle(palette.onAccent)
-                .padding(.horizontal, 22)
-                .padding(.vertical, 12)
-                .background(palette.accent, in: Capsule())
-        }
-        .buttonStyle(.plain)
     }
 }
 
 struct PillButton: View {
     let label: String
-    let palette: Palette
     var action: () -> Void
 
     var body: some View {
-        Button(action: action) {
+        Button(label, action: action)
-            Text(label)
+            .buttonStyle(.bordered)
-                .font(.system(size: 13, weight: .medium))
-                .foregroundStyle(palette.text)
-                .padding(.horizontal, 16)
-                .padding(.vertical, 8)
-                .background(palette.text.opacity(0.06), in: Capsule())
-        }
-        .buttonStyle(.plain)
     }
 }
 
-struct IconHit<Content: View>: View {
+struct GlassCard<Content: View>: View {
-    var action: () -> Void
-    @ViewBuilder var content: () -> Content
-
-    var body: some View {
-        Button(action: action) {
-            content()
-                .frame(width: 40, height: 40)
-        }
-        .buttonStyle(.plain)
-    }
-}
-
-struct PageTop: View {
-    @ObservedObject var vm: AppModel
-    var back: () -> Void
-    let title: String
-    var subtitle: String?
-
-    var body: some View {
-        let p = vm.palette
-        VStack(spacing: 6) {
-            ZStack {
-                Text(title)
-                    .font(.system(size: 22, weight: .medium))
-                    .foregroundStyle(p.text)
-                    .multilineTextAlignment(.center)
-                    .padding(.horizontal, 48)
-                HStack {
-                    IconHit(action: back) { BackIcon(color: p.text) }
-                    Spacer()
-                }
-            }
-            if let subtitle, !subtitle.isEmpty {
-                Text(subtitle)
-                    .font(.system(size: 14))
-                    .foregroundStyle(p.subtext)
-                    .multilineTextAlignment(.center)
-            }
-        }
-        .padding(.top, 4)
-        .padding(.bottom, 14)
-    }
-}
-
-struct CardBox<Content: View>: View {
-    let palette: Palette
     @ViewBuilder var content: () -> Content
 
     var body: some View {
         content()
-            .padding(20)
+            .padding(16)
             .frame(maxWidth: .infinity, alignment: .leading)
-            .background(palette.mantle, in: RoundedRectangle(cornerRadius: 20, style: .continuous))
+            .glassEffect(.regular, in: RoundedRectangle(cornerRadius: 22, style: .continuous))
-            .overlay(
-                RoundedRectangle(cornerRadius: 20, style: .continuous)
-                    .stroke(palette.text.opacity(0.07), lineWidth: 1)
-            )
     }
 }
 
@@ -144,9 +79,8 @@ struct FeedbackLine: View {
     var body: some View {
         if !text.isEmpty {
             Text(text)
-                .font(.system(size: 15, weight: .semibold))
+                .font(.subheadline.weight(.semibold))
                 .foregroundStyle(kind == "ok" ? palette.success : kind == "warn" ? palette.warning : palette.error)
-                .padding(.top, 8)
         }
     }
 }
@@ -159,92 +93,72 @@ struct Meaning: View {
     var body: some View {
         if visible && !text.isEmpty {
             Text(text)
-                .font(.system(size: 13))
+                .font(.footnote)
-                .foregroundStyle(palette.subtext)
+                .foregroundStyle(.secondary)
-                .padding(.bottom, 8)
+                .padding(.bottom, 4)
         }
     }
 }
 
 struct WordField: View {
     @Binding var value: String
-    let palette: Palette
     var placeholder: String
     var mark: Bool?
+    var palette: Palette?
 
     var body: some View {
-        let border: Color = {
+        TextField(placeholder, text: $value)
-            if mark == true { return palette.success }
+            .textInputAutocapitalization(.never)
-            if mark == false { return palette.error }
+            .autocorrectionDisabled()
-            return palette.text.opacity(0.12)
+            .padding(12)
-        }()
+            .background(.thinMaterial, in: RoundedRectangle(cornerRadius: 14, style: .continuous))
-        ZStack(alignment: .leading) {
+            .overlay(
-            if value.isEmpty {
+                RoundedRectangle(cornerRadius: 14, style: .continuous)
-                Text(placeholder).foregroundStyle(palette.overlay).font(.system(size: 15))
+                    .stroke(border, lineWidth: mark == nil ? 0 : 1.5)
+            )
     }
-            TextField("", text: $value)
+
-                .font(.system(size: 15))
+    private var border: Color {
-                .foregroundStyle(palette.text)
+        if mark == true { return palette?.success ?? .green }
-                .tint(palette.accent)
+        if mark == false { return palette?.error ?? .red }
-        }
+        return .clear
-        .padding(.horizontal, 14)
-        .padding(.vertical, 12)
-        .background(palette.surface0, in: RoundedRectangle(cornerRadius: 14, style: .continuous))
-        .overlay(RoundedRectangle(cornerRadius: 14, style: .continuous).stroke(border, lineWidth: 1))
     }
 }
 
 struct SegChip: View {
     let label: String
     let selected: Bool
-    let palette: Palette
     var action: () -> Void
 
     var body: some View {
-        Button(action: action) {
+        Button(label, action: action)
-            Text(label)
+            .buttonStyle(.bordered)
-                .font(.system(size: 14, weight: .semibold))
+            .tint(selected ? .accentColor : .secondary)
-                .foregroundStyle(palette.text)
-                .frame(maxWidth: .infinity)
-                .padding(.vertical, 8)
-                .background(selected ? palette.mantle : Color.clear, in: Capsule())
-        }
-        .buttonStyle(.plain)
     }
 }
 
 struct Hint: View {
     let text: String
-    let palette: Palette
     var body: some View {
-        Text(text).font(.system(size: 13)).foregroundStyle(palette.subtext).padding(.bottom, 8)
+        Text(text).font(.footnote).foregroundStyle(.secondary).padding(.bottom, 6)
     }
 }
 
 struct Prompt: View {
     let text: String
-    let palette: Palette
     var body: some View {
-        Text(text).font(.system(size: 16, weight: .medium)).foregroundStyle(palette.text)
+        Text(text).font(.body.weight(.medium))
     }
 }
 
 struct WordChip: View {
     let text: String
-    let palette: Palette
     var action: () -> Void
 
     var body: some View {
-        Button(action: action) {
+        Button(text, action: action)
-            Text(text)
+            .buttonStyle(.bordered)
-                .font(.system(size: 15, weight: .medium))
+            .controlSize(.small)
-                .foregroundStyle(palette.text)
-                .padding(.horizontal, 12)
-                .padding(.vertical, 8)
-                .background(palette.mantle, in: Capsule())
-                .overlay(Capsule().stroke(palette.text.opacity(0.1), lineWidth: 1))
-        }
-        .buttonStyle(.plain)
     }
 }
 
@@ -252,25 +166,44 @@ struct OptionChip: View {
     let text: String
     let selected: Bool
     let mark: Bool?
-    let palette: Palette
     var action: () -> Void
 
     var body: some View {
-        let border: Color = {
-            if mark == true { return palette.success }
-            if mark == false { return palette.error }
-            return selected ? palette.accent : palette.text.opacity(0.1)
-        }()
         Button(action: action) {
-            Text(text)
+            HStack {
-                .font(.system(size: 15))
+                Text(text).frame(maxWidth: .infinity, alignment: .leading)
-                .foregroundStyle(palette.text)
+                if selected { Image(systemName: "checkmark") }
-                .frame(maxWidth: .infinity, alignment: .leading)
-                .padding(12)
-                .background(selected ? palette.surface1 : palette.mantle, in: RoundedRectangle(cornerRadius: 14, style: .continuous))
-                .overlay(RoundedRectangle(cornerRadius: 14, style: .continuous).stroke(border, lineWidth: 1))
             }
-        .buttonStyle(.plain)
+        }
-        .padding(.bottom, 6)
+        .buttonStyle(.bordered)
+        .tint(tint)
+        .padding(.bottom, 4)
+    }
+
+    private var tint: Color {
+        if mark == true { return .green }
+        if mark == false { return .red }
+        return selected ? .accentColor : .secondary
+    }
+}
+
+extension View {
+    @ViewBuilder
+    func navSubtitle(_ text: String?) -> some View {
+        if let text, !text.isEmpty {
+            navigationSubtitle(text)
+        } else {
+            self
+        }
+    }
+}
+
+func subjectSymbol(_ icon: String) -> String {
+    switch icon {
+    case "de": return "character.book.closed.fill"
+    case "wifi": return "wifi"
+    case "chip": return "cpu"
+    case "cz": return "text.book.closed.fill"
+    default: return "lock.fill"
     }
 }

ios/Maturita/UI/Exercises.swift

@@ -12,16 +12,29 @@ struct ExerciseScaffold<Content: View>: View {
 
     var body: some View {
         let p = vm.palette
-        VStack(alignment: .leading, spacing: 0) {
-            PageTop(vm: vm, back: { vm.back() }, title: title, subtitle: sub)
         ScrollView {
-                VStack(alignment: .leading, spacing: 0) { content() }
+            VStack(alignment: .leading, spacing: 8) { content() }
+                .padding()
         }
+        .navigationTitle(title)
+        .navigationBarTitleDisplayMode(.inline)
+        .navSubtitle(sub)
+        .toolbar {
+            ToolbarItem(placement: .bottomBar) {
+                Button(action, action: onAction)
+                    .buttonStyle(.borderedProminent)
+            }
+        }
+        .safeAreaInset(edge: .bottom) {
+            if !feedback.isEmpty {
                 FeedbackLine(text: feedback, kind: kind, palette: p)
-            PrimaryButton(label: action, palette: p, action: onAction)
+                    .padding()
-                .padding(.vertical, 12)
+                    .frame(maxWidth: .infinity, alignment: .leading)
+                    .glassEffect(.regular, in: RoundedRectangle(cornerRadius: 18, style: .continuous))
+                    .padding(.horizontal)
+                    .padding(.bottom, 4)
+            }
         }
-        .padding(.horizontal, 16)
     }
 }
 
@@ -132,7 +145,7 @@ private struct ChoiceEx: View {
                 ForEach(Array(qs[i].strs("options").enumerated()), id: \.offset) { o, opt in
                     let sel = picks[i] == o
                     let mark: Bool? = revealed && sel ? picks[i] == qs[i].int("correct") : nil
-                    OptionChip(text: opt, selected: sel, mark: mark, palette: p) { picks[i] = o }
+                    OptionChip(text: opt, selected: sel, mark: mark) { picks[i] = o }
                 }
                 if revealed {
                     if i < meanings.count { Meaning(text: vm.tr(meanings[i]), palette: p, visible: true) }
@@ -182,12 +195,12 @@ private struct AssemblyEx: View {
             revealed = true
         }, feedback: fb.0, kind: fb.1) {
             ForEach(items.indices, id: \.self) { i in
-                if let prompt = items[i].strOrNull("prompt") { Hint(text: prompt, palette: p) }
+                if let prompt = items[i].strOrNull("prompt") { Hint(text: prompt) }
                 FlowLayout {
                     if placed[i].isEmpty { Text("…").foregroundStyle(p.overlay) }
                     ForEach(placed[i], id: \.self) { idx in
                         if idx < items[i].strs("words").count {
-                            WordChip(text: items[i].strs("words")[idx], palette: p) {
+                            WordChip(text: items[i].strs("words")[idx]) {
                                 placed[i].removeAll { $0 == idx }
                                 pools[i].append(idx)
                             }
@@ -201,7 +214,7 @@ private struct AssemblyEx: View {
                 FlowLayout(spacing: 6) {
                     ForEach(pools[i], id: \.self) { idx in
                         if idx < items[i].strs("words").count {
-                            WordChip(text: items[i].strs("words")[idx], palette: p) {
+                            WordChip(text: items[i].strs("words")[idx]) {
                                 pools[i].removeAll { $0 == idx }
                                 placed[i].append(idx)
                             }
@@ -262,22 +275,22 @@ private struct TypedEx: View {
             else { fb = (vm.tr("feedback_retry"), "err") }
             revealed = true
         }, feedback: fb.0, kind: fb.1) {
-            if let note = spec.strOrNull("note") { Hint(text: note, palette: p) }
+            if let note = spec.strOrNull("note") { Hint(text: note) }
-            if let sample = spec.strOrNull("sample") { Hint(text: sample, palette: p) }
+            if let sample = spec.strOrNull("sample") { Hint(text: sample) }
-            if let bank = spec.strOrNull("bank") { Hint(text: "\(vm.tr("wordbank")) \(bank)", palette: p) }
+            if let bank = spec.strOrNull("bank") { Hint(text: "\(vm.tr("wordbank")) \(bank)") }
-            if umlaut { Hint(text: vm.tr("hint_umlauts"), palette: p) }
+            if umlaut { Hint(text: vm.tr("hint_umlauts")) }
             ForEach(items.indices, id: \.self) { i in
                 let q = items[i]
-                Prompt(text: q.str("prompt"), palette: p)
+                Prompt(text: q.str("prompt"))
                 let answers = q.answerList()
                 let hints = q.strs("hints")
                 ForEach(fields[i].indices, id: \.self) { j in
                     let ans = j < answers.count ? answers[j] : ""
                     WordField(
                         value: Binding(get: { fields[i][j] }, set: { fields[i][j] = $0 }),
-                        palette: p,
                         placeholder: j < hints.count ? hints[j] : vm.tr("your_answer"),
-                        mark: revealed ? answerAccepts(normalizeAnswer(fields[i][j]), ans) : nil
+                        mark: revealed ? answerAccepts(normalizeAnswer(fields[i][j]), ans) : nil,
+                        palette: p
                     )
                     .padding(.bottom, 4)
                 }
@@ -322,12 +335,12 @@ private struct FreeEx: View {
             shown = shown.map { _ in true }
             onDone()
         }, feedback: fb.0, kind: fb.1) {
-            if let tip = spec.strOrNull("tip") { Hint(text: vm.tr(tip), palette: p) }
+            if let tip = spec.strOrNull("tip") { Hint(text: vm.tr(tip)) }
             ForEach(qs.indices, id: \.self) { i in
                 let q = qs[i]
-                Prompt(text: q.str("question").isEmpty ? q.str("stem") : q.str("question"), palette: p)
+                Prompt(text: q.str("question").isEmpty ? q.str("stem") : q.str("question"))
-                WordField(value: Binding(get: { values[i] }, set: { values[i] = $0 }), palette: p, placeholder: vm.tr("your_answer"))
+                WordField(value: Binding(get: { values[i] }, set: { values[i] = $0 }), placeholder: vm.tr("your_answer"), palette: p)
-                PillButton(label: vm.tr("show_sample"), palette: p) { shown[i].toggle() }
+                PillButton(label: vm.tr("show_sample")) { shown[i].toggle() }
                     .padding(.vertical, 6)
                 if shown[i] {
                     let sample = q.str("sample")
@@ -376,10 +389,10 @@ private struct AssignEx: View {
             else { fb = (vm.tr("feedback_retry"), "err") }
             revealed = true
         }, feedback: fb.0, kind: fb.1) {
-            Hint(text: vm.tr("assign_hint"), palette: p)
+            Hint(text: vm.tr("assign_hint"))
             FlowLayout(spacing: 8) {
                 ForEach(groups.indices, id: \.self) { i in
-                    SegChip(label: groups[i], selected: active == i, palette: p) { active = i }
+                    SegChip(label: groups[i], selected: active == i) { active = i }
                 }
             }
             Text(vm.tr("wordbank")).font(.system(size: 12)).foregroundStyle(p.subtext).padding(.top, 10)
@@ -387,7 +400,7 @@ private struct AssignEx: View {
                 ForEach(items.indices, id: \.self) { i in
                     if loc[i] == -1 {
                         let label = [items[i].strOrNull("emoji"), items[i].str("label")].compactMap { $0 }.joined(separator: " ")
-                        WordChip(text: label, palette: p) { loc[i] = active }
+                        WordChip(text: label) { loc[i] = active }
                     }
                 }
             }
@@ -397,7 +410,7 @@ private struct AssignEx: View {
                     ForEach(items.indices, id: \.self) { i in
                         if loc[i] == g {
                             let label = [items[i].strOrNull("emoji"), items[i].str("label")].compactMap { $0 }.joined(separator: " ")
-                            WordChip(text: label, palette: p) { loc[i] = -1 }
+                            WordChip(text: label) { loc[i] = -1 }
                         }
                     }
                 }
@@ -439,9 +452,8 @@ private struct HangmanEx: View {
         let p = vm.palette
         let cur = word < words.count ? words[word].uppercased() : ""
         VStack(alignment: .leading, spacing: 8) {
-            PageTop(vm: vm, back: { vm.back() }, title: title, subtitle: sub)
+            Text(vm.fmt("hm_progress", word + 1, words.count)).foregroundStyle(.secondary)
-            Text(vm.fmt("hm_progress", word + 1, words.count)).foregroundStyle(p.subtext)
+            if word < tips.count { Hint(text: "\(vm.tr("hm_hint")): \(vm.tr(tips[word]))") }
-            if word < tips.count { Hint(text: "\(vm.tr("hm_hint")): \(vm.tr(tips[word]))", palette: p) }
             Canvas { ctx, size in
                 var gallows = Path()
                 gallows.move(to: CGPoint(x: 40, y: size.height - 10))
@@ -525,7 +537,7 @@ private struct HangmanEx: View {
             }
             FeedbackLine(text: fb.0, kind: fb.1, palette: p)
             if misses >= 6 && !finished {
-                PillButton(label: vm.tr("hm_retry"), palette: p) {
+                PillButton(label: vm.tr("hm_retry")) {
                     misses = 0
                     guessed = guessed.map { _ in false }
                     fb = ("", "")
@@ -533,7 +545,10 @@ private struct HangmanEx: View {
             }
             Spacer()
         }
-        .padding(.horizontal, 16)
+        .padding()
+        .navigationTitle(title)
+        .navigationBarTitleDisplayMode(.inline)
+        .navSubtitle(sub)
     }
 }
 
@@ -572,17 +587,16 @@ private struct VocabEx: View {
     var body: some View {
         let p = vm.palette
         VStack(alignment: .leading, spacing: 8) {
-            PageTop(vm: vm, back: { vm.back() }, title: title, subtitle: sub)
+            Text(vm.fmt("trans_progress", done, total)).foregroundStyle(.secondary)
-            Text(vm.fmt("trans_progress", done, total)).foregroundStyle(p.subtext)
             if cards.isEmpty {
                 Text(vm.tr("trans_done")).font(.system(size: 16, weight: .bold)).foregroundStyle(p.success)
             } else if index < cards.count {
                 let cur = cards[index]
-                Hint(text: cur.0, palette: p)
+                Hint(text: cur.0)
-                Prompt(text: cur.1, palette: p)
+                Prompt(text: cur.1)
-                if hasUmlaut(cur.2) { Hint(text: vm.tr("hint_umlauts"), palette: p) }
+                if hasUmlaut(cur.2) { Hint(text: vm.tr("hint_umlauts")) }
-                WordField(value: $value, palette: p, placeholder: vm.tr("your_answer"))
+                WordField(value: $value, placeholder: vm.tr("your_answer"), palette: p)
-                PrimaryButton(label: vm.tr("check"), palette: p) {
+                PrimaryButton(label: vm.tr("check")) {
                     let norm = normalizeAnswer(value)
                     if answerAccepts(norm, cur.2) {
                         done += 1
@@ -603,6 +617,9 @@ private struct VocabEx: View {
             }
             Spacer()
         }
-        .padding(.horizontal, 16)
+        .padding()
+        .navigationTitle(title)
+        .navigationBarTitleDisplayMode(.inline)
+        .navSubtitle(sub)
     }
 }

ios/Maturita/UI/ExercisesMore.swift

@@ -88,7 +88,7 @@ struct ComboEx: View {
         } else if type == "fill" {
             let blanks = rows.reduce(0) { $0 + $1.answerList().count }
             ComboRows(vm: vm, title: title, sub: sub, pool: pool, n: blanks, onDone: onDone, revealMean: spec.bool("preMeaning")) { picks, expected, revealed in
-                if let sample = spec.strOrNull("sample") { Hint(text: sample, palette: vm.palette) }
+                if let sample = spec.strOrNull("sample") { Hint(text: sample) }
                 ForEach(Array(fillRows().enumerated()), id: \.offset) { _, block in
                     FlowLayout(spacing: 4) {
                         if let num = block.num {
@@ -114,7 +114,7 @@ struct ComboEx: View {
             }
         } else {
             ComboRows(vm: vm, title: title, sub: sub, pool: pool, n: rows.count, onDone: onDone, revealMean: spec.bool("preMeaning")) { picks, expected, revealed in
-                if let sample = spec.strOrNull("sample") { Hint(text: sample, palette: vm.palette) }
+                if let sample = spec.strOrNull("sample") { Hint(text: sample) }
                 ForEach(rows.indices, id: \.self) { i in
                     let r = rows[i]
                     let prefix: String = {
@@ -318,29 +318,17 @@ struct WordPicker: View {
 
     var body: some View {
         NavigationStack {
-            ScrollView {
+            List(Array(pool.enumerated()), id: \.offset) { _, w in
-                VStack(alignment: .leading, spacing: 0) {
+                Button(w) { onPick(w) }
-                    ForEach(pool, id: \.self) { w in
-                        Button { onPick(w) } label: {
-                            Text(w)
-                                .font(.system(size: 16))
-                                .foregroundStyle(palette.text)
-                                .frame(maxWidth: .infinity, alignment: .leading)
-                                .padding(.horizontal, 14)
-                                .padding(.vertical, 12)
             }
-                        .buttonStyle(.plain)
+            .navigationTitle("")
-                    }
-                }
-                .padding(10)
-            }
-            .background(palette.base)
             .toolbar {
                 ToolbarItem(placement: .cancellationAction) {
-                    Button(role: .cancel) { onPick(nil) } label: { Text("Zavřít") }
+                    Button("Zavřít", role: .cancel) { onPick(nil) }
                 }
             }
         }
+        .presentationDetents([.medium, .large])
     }
 }
 
@@ -442,7 +430,7 @@ struct LettersEx: View {
             revealed = true
         }, feedback: fb.0, kind: fb.1) {
             if rows.contains(where: { $0.strs("answers").contains { hasUmlaut($0) } }) {
-                Hint(text: vm.tr("hint_umlauts"), palette: p)
+                Hint(text: vm.tr("hint_umlauts"))
             }
             LettersRows(vm: vm, rows: rows, fields: $fields, revealed: revealed)
         }
@@ -470,9 +458,9 @@ private struct LettersRows: View {
                         case .field(let idx, let ans):
                             WordField(
                                 value: Binding(get: { idx < fields.count ? fields[idx] : "" }, set: { if idx < fields.count { fields[idx] = $0 } }),
-                                palette: p,
                                 placeholder: "",
-                                mark: revealed ? answerAccepts(normalizeAnswer(idx < fields.count ? fields[idx] : ""), ans) : nil
+                                mark: revealed ? answerAccepts(normalizeAnswer(idx < fields.count ? fields[idx] : ""), ans) : nil,
+                                palette: p
                             )
                             .frame(width: 72)
                         }
@@ -555,7 +543,7 @@ struct TableEx: View {
                 ForEach(persons.indices, id: \.self) { c in
                     let i = r * persons.count + c
                     Text(persons[c]).font(.system(size: 12)).foregroundStyle(p.subtext)
-                    WordField(value: Binding(get: { i < fields.count ? fields[i] : "" }, set: { if i < fields.count { fields[i] = $0 } }), palette: p, placeholder: "")
+                    WordField(value: Binding(get: { i < fields.count ? fields[i] : "" }, set: { if i < fields.count { fields[i] = $0 } }), placeholder: "", palette: p)
                 }
                 Spacer().frame(height: 8)
             }
@@ -589,10 +577,10 @@ struct RevealEx: View {
             fb = (vm.tr("feedback_ok"), "ok")
             onDone()
         }, feedback: fb.0, kind: fb.1) {
-            if let note = spec.strOrNull("note") { Hint(text: note, palette: p) }
+            if let note = spec.strOrNull("note") { Hint(text: note) }
             ForEach(items.indices, id: \.self) { i in
-                Prompt(text: items[i].str("prompt"), palette: p)
+                Prompt(text: items[i].str("prompt"))
-                PillButton(label: vm.tr("show_sample"), palette: p) { shown[i].toggle() }
+                PillButton(label: vm.tr("show_sample")) { shown[i].toggle() }
                     .padding(.vertical, 6)
                 if shown[i] { Meaning(text: items[i].str("solution"), palette: p, visible: true) }
                 Spacer().frame(height: 8)
@@ -671,7 +659,6 @@ private struct VlsmEx: View {
         let answers = vm.content.netAnswers
         let p = vm.palette
         VStack(alignment: .leading, spacing: 0) {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("net_ex_title"), subtitle: nil)
             ScrollView {
                 VStack(alignment: .leading, spacing: 12) {
                     ForEach(tasks.indices, id: \.self) { ti in
@@ -680,7 +667,7 @@ private struct VlsmEx: View {
                         let infeasible = block.isEmpty || block.allSatisfy { $0.int("pfx") <= 0 }
                         Text(task.str("prompt")).foregroundStyle(p.text).padding(.vertical, 8)
                         if infeasible {
-                            Hint(text: vm.tr("net_infeasible"), palette: p)
+                            Hint(text: vm.tr("net_infeasible"))
                         } else {
                             ForEach(block.indices, id: \.self) { si in
                                 Text("Podsíť \(String(UnicodeScalar(65 + si)!))")
@@ -690,12 +677,12 @@ private struct VlsmEx: View {
                                     get: { rows[ti][si].pfx },
                                     set: { rows[ti][si].pfx = $0 }
                                 ), palette: p)
-                                WordField(value: Binding(get: { rows[ti][si].net }, set: { rows[ti][si].net = $0 }), palette: p, placeholder: "síť")
+                                WordField(value: Binding(get: { rows[ti][si].net }, set: { rows[ti][si].net = $0 }), placeholder: "síť", palette: p)
-                                WordField(value: Binding(get: { rows[ti][si].bc }, set: { rows[ti][si].bc = $0 }), palette: p, placeholder: "broadcast")
+                                WordField(value: Binding(get: { rows[ti][si].bc }, set: { rows[ti][si].bc = $0 }), placeholder: "broadcast", palette: p)
-                                WordField(value: Binding(get: { rows[ti][si].lo }, set: { rows[ti][si].lo = $0 }), palette: p, placeholder: "první uzel")
+                                WordField(value: Binding(get: { rows[ti][si].lo }, set: { rows[ti][si].lo = $0 }), placeholder: "první uzel", palette: p)
-                                WordField(value: Binding(get: { rows[ti][si].hi }, set: { rows[ti][si].hi = $0 }), palette: p, placeholder: "poslední uzel")
+                                WordField(value: Binding(get: { rows[ti][si].hi }, set: { rows[ti][si].hi = $0 }), placeholder: "poslední uzel", palette: p)
                             }
-                            PillButton(label: vm.tr("check"), palette: p) {
+                            PillButton(label: vm.tr("check")) {
                                 let ok = block.indices.allSatisfy { si in
                                     let a = block[si]
                                     let field = rows[ti][si]
@@ -715,7 +702,7 @@ private struct VlsmEx: View {
                             }
                             .padding(.vertical, 6)
                         }
-                        PillButton(label: vm.tr("net_solution"), palette: p) {
+                        PillButton(label: vm.tr("net_solution")) {
                             if !infeasible {
                                 for si in block.indices {
                                     rows[ti][si].pfx = "/\(block[si].int("pfx"))"
@@ -735,7 +722,9 @@ private struct VlsmEx: View {
             }
             FeedbackLine(text: fb.0, kind: fb.1, palette: p)
         }
-        .padding(.horizontal, 16)
+        .padding()
+        .navigationTitle(vm.tr("net_ex_title"))
+        .navigationBarTitleDisplayMode(.inline)
     }
 
     private func maybeFinish() {
@@ -783,12 +772,11 @@ struct LitQuizScreen: View {
             let p = vm.palette
             let kahoot = [p.accent, p.error, p.warning, p.success]
             VStack(alignment: .leading, spacing: 8) {
-                PageTop(vm: vm, back: { vm.back() }, title: vm.tr(book.str("quizTitle")), subtitle: vm.tr(book.str("quizSub")))
                 if finished {
                     Text(vm.tr("lit_finished")).font(.system(size: 22, weight: .bold)).foregroundStyle(p.text)
                     Text(vm.tr("lit_finished_text")).foregroundStyle(p.subtext)
                     Text(vm.fmt("lit_score_fmt", score, qs.count)).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
-                    PrimaryButton(label: vm.tr("lit_again"), palette: p) {
+                    PrimaryButton(label: vm.tr("lit_again")) {
                         idx = 0; score = 0; answered = false; finished = false
                     }
                 } else if idx < qs.count {
@@ -817,7 +805,7 @@ struct LitQuizScreen: View {
                     }
                     if answered {
                         Meaning(text: q.str("expl"), palette: p, visible: true)
-                        PrimaryButton(label: idx + 1 >= qs.count ? vm.tr("lit_show_result") : vm.tr("lit_next"), palette: p) {
+                        PrimaryButton(label: idx + 1 >= qs.count ? vm.tr("lit_show_result") : vm.tr("lit_next")) {
                             if idx + 1 >= qs.count {
                                 finished = true
                                 vm.markBookQuiz(id)
@@ -830,7 +818,10 @@ struct LitQuizScreen: View {
                 }
                 Spacer()
             }
-            .padding(16)
+            .padding()
+            .navigationTitle(vm.tr(book.str("quizTitle")))
+            .navigationBarTitleDisplayMode(.inline)
+            .navigationSubtitle(vm.tr(book.str("quizSub")))
         }
     }
 }

ios/Maturita/UI/PathMap.swift

@@ -7,57 +7,5 @@ struct MapNode {
     let done: Bool
     let current: Bool
     var finish: Bool = false
-    var onClick: (() -> Void)?
+    var destination: Route?
-}
-
-struct PathMap: View {
-    let nodes: [MapNode]
-    let palette: Palette
-
-    var body: some View {
-        ScrollView {
-            LazyVStack(spacing: 10) {
-                ForEach(Array(nodes.enumerated()), id: \.element.id) { i, node in
-                    Button {
-                        if !node.locked { node.onClick?() }
-                    } label: {
-                        CardBox(palette: palette) {
-                            HStack(spacing: 12) {
-                                let bg: Color = {
-                                    if node.locked { return palette.lockedBg }
-                                    if node.current || node.done { return palette.accent }
-                                    return palette.node
-                                }()
-                                let fg: Color = {
-                                    if node.locked { return palette.overlay }
-                                    if node.current || node.done { return palette.onAccent }
-                                    return palette.text
-                                }()
-                                ZStack {
-                                    Circle().fill(bg).frame(width: 44, height: 44)
-                                    if node.locked {
-                                        LockIcon(color: palette.overlay, size: 16)
-                                    } else if node.done {
-                                        CheckIcon(color: palette.onAccent, size: 16)
-                                    } else {
-                                        Text("\(i + 1)")
-                                            .font(.system(size: 16, weight: .heavy))
-                                            .foregroundStyle(fg)
-                                    }
-                                }
-                                Text(node.label)
-                                    .font(.system(size: 16, weight: node.current ? .bold : .semibold))
-                                    .foregroundStyle(node.locked ? palette.overlay : palette.text)
-                                    .frame(maxWidth: .infinity, alignment: .leading)
-                            }
-                        }
-                    }
-                    .buttonStyle(.plain)
-                    .disabled(node.locked || node.onClick == nil)
-                    .opacity(node.locked ? 0.48 : 1)
-                }
-            }
-            .padding(.bottom, 24)
-        }
-    }
 }

ios/Maturita/UI/Screens.swift

@@ -1,197 +1,117 @@
 import SwiftUI
 
-struct WelcomeScreen: View {
+struct PracticeHome: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
+        let sum = summarize(vm.content, vm.progress)
-        ScrollView {
+        let pct = sum.totalEx == 0 ? 0 : Double(sum.doneEx) / Double(sum.totalEx)
-            VStack(alignment: .leading, spacing: 0) {
+        List {
-                Text("maturita.c")
+            Section {
-                    .font(.system(size: 15, weight: .medium))
+                GlassCard {
-                    .foregroundStyle(p.text)
+                    VStack(alignment: .leading, spacing: 10) {
-                Text("sestavení \(AppConfig.versionName) · \(String(AppConfig.commit.prefix(7)))")
-                    .font(.system(size: 12))
-                    .foregroundStyle(p.overlay)
-                    .padding(.bottom, 12)
-                HStack(alignment: .center, spacing: 12) {
-                    VStack(alignment: .leading, spacing: 12) {
                         Text(vm.tr("welcome_title"))
-                            .font(.system(size: 32, weight: .medium))
+                            .font(.title.bold())
-                            .foregroundStyle(p.text)
                         Text(vm.tr("welcome_body_ios"))
-                            .font(.system(size: 16))
+                            .font(.subheadline)
-                            .foregroundStyle(p.subtext)
+                            .foregroundStyle(.secondary)
-                        PrimaryButton(label: vm.tr("continue"), palette: p) { vm.go(.subjects) }
+                        ProgressView(value: pct)
-                    }
+                        Text(vm.fmt("stats_ex_fmt", sum.doneEx, sum.totalEx))
-                    Spacer(minLength: 0)
+                            .font(.footnote)
-                    VStack {
+                            .foregroundStyle(.secondary)
-                        Text(vm.tr("welcome_stat_value"))
-                            .font(.system(size: 28, weight: .bold))
-                            .foregroundStyle(p.text)
-                        Text(vm.tr("welcome_stat_label"))
-                            .font(.system(size: 11, weight: .semibold))
-                            .foregroundStyle(p.subtext)
-                            .multilineTextAlignment(.center)
-                    }
-                    .frame(width: 108, height: 108)
-                    .background(p.mantle, in: Circle())
-                    .overlay(Circle().stroke(p.text.opacity(0.08), lineWidth: 1))
-                }
-                FeatureCard(vm: vm, t: "welcome_feat1_title", b: "welcome_feat1_body", l: "welcome_feat1_link")
-                    .padding(.top, 28)
-                FeatureCard(vm: vm, t: "welcome_feat2_title", b: "welcome_feat2_body", l: "welcome_feat2_link")
-                    .padding(.top, 12)
-            }
-            .padding(.horizontal, 24)
-            .padding(.vertical, 16)
-        }
-    }
-}
-
-private struct FeatureCard: View {
-    @ObservedObject var vm: AppModel
-    let t, b, l: String
-
-    var body: some View {
-        let p = vm.palette
-        CardBox(palette: p) {
-            VStack(alignment: .leading, spacing: 6) {
-                Text(vm.tr(t)).font(.system(size: 18, weight: .bold)).foregroundStyle(p.text)
-                Text(vm.tr(b)).font(.system(size: 15)).foregroundStyle(p.subtext)
-                PillButton(label: vm.tr(l), palette: p) { vm.go(.subjects) }
-                    .padding(.top, 4)
-            }
-        }
-    }
-}
-
-struct SubjectsScreen: View {
-    @ObservedObject var vm: AppModel
-
-    var body: some View {
-        let p = vm.palette
-        VStack(spacing: 0) {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("subjects_title"), subtitle: vm.tr("subjects_sub"))
-                .padding(.horizontal, 16)
-            ScrollView {
-                VStack(spacing: 12) {
-                    ForEach(Array(stride(from: 0, to: vm.content.subjects.count, by: 2)), id: \.self) { i in
-                        HStack(spacing: 12) {
-                            subjectTile(vm.content.subjects[i], p)
-                            if i + 1 < vm.content.subjects.count {
-                                subjectTile(vm.content.subjects[i + 1], p)
-                            } else {
-                                Color.clear.frame(maxWidth: .infinity).frame(height: 132)
-                            }
-                        }
-                    }
-                }
-                .padding(.horizontal, 16)
-                .padding(.bottom, 24)
                     }
                 }
+                .listRowInsets(EdgeInsets(top: 8, leading: 16, bottom: 8, trailing: 16))
+                .listRowBackground(Color.clear)
+                .listRowSeparator(.hidden)
             }
 
-    private func subjectTile(_ s: J, _ p: Palette) -> some View {
+            Section(vm.tr("subjects_title")) {
+                ForEach(Array(vm.content.subjects.enumerated()), id: \.offset) { _, s in
                     let open = s.bool("open")
-        return Button {
+                    let dest = s.strOrNull("target").flatMap(routeFromPage)
-            if open { vm.goPage(s.str("target")) }
+                    if open, let dest, dest != .subjects, dest != .welcome {
-        } label: {
+                        NavigationLink(value: dest) {
-            VStack(spacing: 10) {
+                            subjectLabel(s)
-                switch s.str("icon") {
-                case "de": GermanFlag(size: 44)
-                case "wifi": WifiIcon(color: p.text, size: 36)
-                case "chip": ChipIcon(color: p.text, size: 36)
-                case "cz": CzechFlag(size: 44)
-                default: LockIcon(color: p.overlay, size: 22)
                         }
+                    } else {
+                        subjectLabel(s)
+                            .foregroundStyle(.secondary)
+                    }
+                }
+            }
+        }
+        .navigationTitle("Maturita")
+        .navigationBarTitleDisplayMode(.large)
+    }
+
+    private func subjectLabel(_ s: J) -> some View {
+        Label {
+            VStack(alignment: .leading, spacing: 2) {
                 Text(vm.tr(s.str("key")))
-                    .font(.system(size: 13, weight: .semibold))
+                if !s.bool("open") {
-                    .foregroundStyle(p.text)
+                    Text(vm.tr("stats_locked")).font(.caption).foregroundStyle(.secondary)
-                    .multilineTextAlignment(.center)
                 }
-            .frame(maxWidth: .infinity)
-            .frame(height: 132)
-            .background(p.mantle, in: RoundedRectangle(cornerRadius: 20, style: .continuous))
-            .overlay(
-                RoundedRectangle(cornerRadius: 20, style: .continuous)
-                    .stroke(p.text.opacity(open ? 0.08 : 0.04), lineWidth: 1)
-            )
-            .opacity(open ? 1 : 0.48)
             }
-        .buttonStyle(.plain)
+        } icon: {
-        .disabled(!open)
+            Image(systemName: subjectSymbol(s.str("icon")))
+        }
     }
 }
 
-struct SettingsSheet: View {
+struct SettingsScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
+        Form {
-        ScrollView {
+            Section(vm.tr("mode")) {
-            VStack(alignment: .leading, spacing: 8) {
+                Picker(vm.tr("mode"), selection: modeBinding) {
+                    Text(vm.tr("mode_dark")).tag(ColorMode.dark)
+                    Text(vm.tr("mode_light")).tag(ColorMode.light)
+                }
+                .pickerStyle(.segmented)
+            }
+            Section(vm.tr("theme")) {
+                ForEach(Array(ThemeId.allCases), id: \.self) { id in
+                    Button {
+                        vm.setTheme(id)
+                    } label: {
                         HStack {
-                    Text(vm.tr("settings_title"))
+                            Circle().fill(themePalette(id, vm.mode).accent).frame(width: 14, height: 14)
-                        .font(.system(size: 22, weight: .bold))
+                            Text(themeNames[id.rawValue])
-                        .foregroundStyle(p.text)
                             Spacer()
-                    PillButton(label: vm.tr("back"), palette: p) { vm.settingsOpen = false }
+                            if vm.themeId == id {
-                }
+                                Image(systemName: "checkmark")
-                Text(vm.tr("mode")).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext).padding(.top, 8)
-                HStack(spacing: 4) {
-                    SegChip(label: vm.tr("mode_dark"), selected: vm.mode == .dark, palette: p) { vm.applyMode(.dark) }
-                    SegChip(label: vm.tr("mode_light"), selected: vm.mode == .light, palette: p) { vm.applyMode(.light) }
-                }
-                .padding(3)
-                .background(p.surface1, in: Capsule())
-                Text(vm.tr("theme")).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext).padding(.top, 8)
-                ForEach(Array(themeNames.enumerated()), id: \.offset) { i, name in
-                    if let id = ThemeId(rawValue: i) {
-                        let sw = themePalette(id, vm.mode)
-                        let sel = vm.themeId == id
-                        Button { vm.setTheme(id) } label: {
-                            HStack(spacing: 10) {
-                                ZStack {
-                                    Circle().fill(sw.base)
-                                    Circle().fill(sw.accent).frame(width: 10, height: 10).offset(x: -8)
-                                    Circle().fill(sw.accent3).frame(width: 10, height: 10)
-                                    Circle().fill(sw.success).frame(width: 10, height: 10).offset(x: 8)
-                                    if sel { Circle().stroke(p.accent, lineWidth: 2.2) }
-                                }
-                                .frame(width: 36, height: 36)
-                                Text(name).font(.system(size: 16, weight: .medium)).foregroundStyle(p.text)
-                                Spacer()
-                            }
-                            .padding(10)
-                            .background(sel ? p.surface1 : p.surface0, in: RoundedRectangle(cornerRadius: 14, style: .continuous))
-                        }
-                        .buttonStyle(.plain)
                             }
                         }
-                Text(vm.tr("language")).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext).padding(.top, 8)
-                HStack(spacing: 4) {
-                    SegChip(label: "Čeština", selected: vm.lang == .cs, palette: p) { vm.applyLang(.cs) }
-                    SegChip(label: "English", selected: vm.lang == .en, palette: p) { vm.applyLang(.en) }
                     }
-                .padding(3)
+                }
-                .background(p.surface1, in: Capsule())
+            }
-                Text(vm.tr("updates")).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext).padding(.top, 8)
+            Section(vm.tr("language")) {
-                Text(updateText)
+                Picker(vm.tr("language"), selection: langBinding) {
-                    .font(.system(size: 14))
+                    Text("Čeština").tag(UiLang.cs)
-                    .foregroundStyle(p.subtext)
+                    Text("English").tag(UiLang.en)
-                HStack(spacing: 8) {
+                }
-                    PillButton(label: vm.tr("update_check"), palette: p) { vm.checkUpdate(true) }
+                .pickerStyle(.segmented)
+            }
+            Section(vm.tr("updates")) {
+                Text(updateText).foregroundStyle(.secondary)
+                Button(vm.tr("update_check")) { vm.checkUpdate(true) }
                 if vm.update.canInstall {
-                        PrimaryButton(label: vm.tr("update_install"), palette: p) { vm.installUpdate() }
+                    Button(vm.tr("update_install")) { vm.installUpdate() }
+                }
+                LabeledContent("Build", value: "\(AppConfig.versionName) · \(String(AppConfig.commit.prefix(7)))")
             }
         }
-                .padding(.bottom, 24)
+        .navigationTitle(vm.tr("settings_title"))
     }
-            .padding(20)
+
+    private var modeBinding: Binding<ColorMode> {
+        Binding(get: { vm.mode }, set: { vm.applyMode($0) })
     }
-        .background(p.base)
+
+    private var langBinding: Binding<UiLang> {
+        Binding(get: { vm.lang }, set: { vm.applyLang($0) })
     }
 
     private var updateText: String {
@@ -206,70 +126,44 @@ struct StatsScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
         let sum = summarize(vm.content, vm.progress)
-        let pct = sum.totalEx == 0 ? 0 : (100 * sum.doneEx / sum.totalEx)
+        let pct = sum.totalEx == 0 ? 0.0 : Double(sum.doneEx) / Double(sum.totalEx)
-        VStack(spacing: 0) {
+        List {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("stats_title"), subtitle: vm.tr("stats_sub"))
+            Section {
-                .padding(.horizontal, 16)
+                HStack {
-            ScrollView {
+                    stat(vm.tr("stats_ex_label"), vm.fmt("stats_ex_fmt", sum.doneEx, sum.totalEx))
-                VStack(alignment: .leading, spacing: 10) {
+                    stat(vm.tr("stats_pct_label"), vm.fmt("stats_pct_fmt", Int(pct * 100)))
-                    HStack(spacing: 10) {
+                    stat(vm.tr("stats_units_label"), vm.fmt("stats_units_fmt", sum.doneUnits, sum.openUnits))
-                        metric(p, vm.tr("stats_ex_label"), vm.fmt("stats_ex_fmt", sum.doneEx, sum.totalEx))
-                        metric(p, vm.tr("stats_pct_label"), vm.fmt("stats_pct_fmt", pct))
-                        metric(p, vm.tr("stats_units_label"), vm.fmt("stats_units_fmt", sum.doneUnits, sum.openUnits))
                 }
-                    ProgressBar(fraction: CGFloat(pct) / 100, palette: p, height: 8)
+                .listRowBackground(Color.clear)
-                    Text(vm.tr("stats_section"))
+                ProgressView(value: pct)
-                        .font(.system(size: 12, weight: .semibold))
+            }
-                        .foregroundStyle(p.subtext)
+            Section(vm.tr("stats_section")) {
-                        .padding(.top, 10)
                 ForEach(Array(vm.content.subjects.enumerated()), id: \.offset) { _, s in
                     let open = s.bool("open")
                     let part = subjectSum(vm, s)
-                        CardBox(palette: p) {
+                    VStack(alignment: .leading, spacing: 6) {
-                            VStack(alignment: .leading, spacing: 4) {
+                        Text(vm.tr(s.str("key")))
-                                Text(vm.tr(s.str("key"))).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
                         Text(open ? vm.fmt("stats_ex_fmt", part.doneEx, part.totalEx) : vm.tr("stats_locked"))
-                                    .font(.system(size: 13)).foregroundStyle(p.subtext)
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
                         if open && part.totalEx > 0 {
-                                    ProgressBar(fraction: CGFloat(part.doneEx) / CGFloat(part.totalEx), palette: p, height: 6)
+                            ProgressView(value: Double(part.doneEx) / Double(part.totalEx))
-                                        .padding(.top, 4)
+                        }
+                    }
+                    .opacity(open ? 1 : 0.5)
                 }
             }
         }
-                        .opacity(open ? 1 : 0.55)
+        .navigationTitle(vm.tr("stats_title"))
-                    }
-                }
-                .padding(.horizontal, 16)
-                .padding(.bottom, 24)
-            }
-        }
     }
 
-    private func metric(_ p: Palette, _ label: String, _ value: String) -> some View {
+    private func stat(_ label: String, _ value: String) -> some View {
-        CardBox(palette: p) {
         VStack(alignment: .leading) {
-                Text(label).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext)
+            Text(label).font(.caption).foregroundStyle(.secondary)
-                Text(value).font(.system(size: 22, weight: .bold)).foregroundStyle(p.text)
+            Text(value).font(.title3.bold())
         }
-        }
+        .frame(maxWidth: .infinity, alignment: .leading)
-    }
-}
-
-struct ProgressBar: View {
-    let fraction: CGFloat
-    let palette: Palette
-    var height: CGFloat = 8
-
-    var body: some View {
-        GeometryReader { geo in
-            ZStack(alignment: .leading) {
-                Capsule().fill(palette.surface1)
-                Capsule().fill(palette.accent).frame(width: geo.size.width * min(max(fraction, 0), 1))
-            }
-        }
-        .frame(height: height)
     }
 }
 
@@ -297,61 +191,37 @@ private func subjectSum(_ vm: AppModel, _ s: J) -> ProgressSum {
     return sum
 }
 
-struct SearchOverlay: View {
+struct SearchScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
         let q = normalizeAnswer(vm.searchQuery)
-        let hits = buildSearch(vm).filter { q.isEmpty || normalizeAnswer($0.hay).contains(q) }.prefix(24)
+        let hits = buildSearch(vm).filter { q.isEmpty || normalizeAnswer($0.hay).contains(q) }
-        VStack(alignment: .leading, spacing: 12) {
+        List {
-            HStack {
-                ZStack(alignment: .leading) {
-                    if vm.searchQuery.isEmpty {
-                        Text(vm.tr("search_placeholder")).foregroundStyle(p.overlay)
-                    }
-                    TextField("", text: $vm.searchQuery)
-                        .foregroundStyle(p.text)
-                        .tint(p.accent)
-                }
-                .padding(14)
-                .background(p.mantle, in: RoundedRectangle(cornerRadius: 16, style: .continuous))
-                PillButton(label: vm.tr("back"), palette: p) { vm.searchOpen = false }
-            }
             if hits.isEmpty {
-                Text(q.isEmpty ? vm.tr("search_hint") : vm.tr("search_empty")).foregroundStyle(p.subtext)
+                ContentUnavailableView.search
             } else {
-                ScrollView {
+                ForEach(hits) { hit in
-                    VStack(spacing: 8) {
-                        ForEach(Array(hits), id: \.target) { hit in
                     Button {
-                                if !hit.locked {
+                        if !hit.locked { vm.openFromSearch(hit.target) }
-                                    vm.goPage(hit.target)
-                                    vm.searchOpen = false
-                                }
                     } label: {
-                                CardBox(palette: p) {
+                        VStack(alignment: .leading, spacing: 2) {
-                                    VStack(alignment: .leading) {
+                            Text(hit.title)
-                                        Text(hit.title).font(.system(size: 16, weight: .semibold)).foregroundStyle(p.text)
+                            Text(hit.sub).font(.caption).foregroundStyle(.secondary)
-                                        Text(hit.sub).font(.system(size: 13)).foregroundStyle(p.subtext)
+                        }
+                    }
+                    .disabled(hit.locked)
+                    .foregroundStyle(hit.locked ? .secondary : .primary)
                 }
             }
         }
-                            .buttonStyle(.plain)
+        .navigationTitle(vm.tr("search_placeholder"))
-                            .opacity(hit.locked ? 0.5 : 1)
+        .searchable(text: $vm.searchQuery, prompt: vm.tr("search_placeholder"))
-                        }
-                    }
-                }
-            }
-            Spacer(minLength: 0)
-        }
-        .padding(16)
-        .background(p.base.opacity(0.96))
     }
 }
 
 private struct Hit: Identifiable {
-    var id: String { target + title }
+    var id: String { target + "|" + title }
     let title: String
     let sub: String
     let target: String
@@ -400,32 +270,28 @@ struct RoadmapScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let current = vm.content.german.firstIndex { u in
+        List {
-            u.bool("unlocked") && u.strs("names").indices.contains { !vm.progress.germanDone(u.int("id"), $0 + 1) }
+            ForEach(Array(vm.content.german.enumerated()), id: \.offset) { _, u in
-        }
-        VStack(spacing: 0) {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("roadmap_title"), subtitle: vm.tr("roadmap_sub"))
-                .padding(.horizontal, 12)
-            PathMap(
-                nodes: vm.content.german.enumerated().map { i, u in
                 let unlocked = u.bool("unlocked")
                 let names = u.strs("names")
                 let done = unlocked && !names.isEmpty && names.indices.allSatisfy { vm.progress.germanDone(u.int("id"), $0 + 1) }
-                    return MapNode(
+                if unlocked {
-                        id: u.str("page"),
+                    NavigationLink(value: Route.unitMap(u.int("id"))) {
-                        label: u.str("title"),
+                        Label {
-                        locked: !unlocked,
+                            Text(u.str("title"))
-                        done: done,
+                        } icon: {
-                        current: i == current,
+                            Image(systemName: done ? "checkmark.circle.fill" : "circle")
-                        finish: i == vm.content.german.count - 1,
-                        onClick: unlocked ? { vm.go(.unitMap(u.int("id"))) } : nil
-                    )
-                },
-                palette: vm.palette
-            )
-            .padding(.horizontal, 12)
                         }
                     }
+                } else {
+                    Label(u.str("title"), systemImage: "lock.fill")
+                        .foregroundStyle(.secondary)
+                }
+            }
+        }
+        .navigationTitle(vm.tr("roadmap_title"))
+        .navigationSubtitle(vm.tr("roadmap_sub"))
+    }
 }
 
 struct UnitMapScreen: View {
@@ -435,30 +301,25 @@ struct UnitMapScreen: View {
     var body: some View {
         if let u = vm.content.germanUnit(unitId) {
             let names = u.strs("names")
-            let next = names.indices.first { !vm.progress.germanDone(unitId, $0 + 1) }
+            List {
-            VStack(spacing: 0) {
+                ForEach(names.indices, id: \.self) { i in
-                PageTop(vm: vm, back: { vm.back() }, title: u.str("title"), subtitle: vm.tr(u.str("sub")))
+                    NavigationLink(value: Route.germanEx(unitId, i + 1)) {
-                    .padding(.horizontal, 12)
+                        Label {
-                PathMap(
+                            Text(names[i])
-                    nodes: names.enumerated().map { i, name in
+                        } icon: {
-                        MapNode(
+                            Image(systemName: vm.progress.germanDone(unitId, i + 1) ? "checkmark.circle.fill" : "circle")
-                            id: "e\(i + 1)",
+                        }
-                            label: name,
+                    }
-                            locked: false,
+                }
-                            done: vm.progress.germanDone(unitId, i + 1),
-                            current: i == next,
-                            onClick: { vm.go(.germanEx(unitId, i + 1)) }
-                        )
-                    },
-                    palette: vm.palette
-                )
-                .padding(.horizontal, 12)
                 if u.has("branch") {
-                    PrimaryButton(label: vm.tr("Vokabeltraining"), palette: vm.palette) { vm.go(.vocab(unitId)) }
+                    NavigationLink(value: Route.vocab(unitId)) {
-                        .padding(.bottom, 16)
+                        Label(vm.tr("Vokabeltraining"), systemImage: "character.book.closed")
                     }
                 }
             }
+            .navigationTitle(u.str("title"))
+            .navigationSubtitle(vm.tr(u.str("sub")))
+        }
     }
 }
 
@@ -466,98 +327,99 @@ struct NetYearsScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        VStack(spacing: 0) {
+        List {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("net_years_title"), subtitle: vm.tr("net_years_sub"))
+            NavigationLink(value: Route.netMap) {
-                .padding(.horizontal, 16)
-            ScrollView {
-                VStack(spacing: 12) {
-                    yearCard(vm.tr("net_year1"), vm.tr("net_sub"), true) { vm.go(.netMap) }
-                    ForEach(["net_year2", "net_year3", "net_year4"], id: \.self) { key in
-                        yearCard(vm.tr(key), vm.tr("net_year_locked_sub"), false) {}
-                    }
-                }
-                .padding(.horizontal, 16)
-                .padding(.bottom, 16)
-            }
-        }
-    }
-
-    private func yearCard(_ title: String, _ sub: String, _ open: Bool, _ action: @escaping () -> Void) -> some View {
-        let p = vm.palette
-        return Button(action: action) {
-            CardBox(palette: p) {
-                HStack {
                 VStack(alignment: .leading) {
-                        Text(title).font(.system(size: 18, weight: .bold)).foregroundStyle(p.text)
+                    Text(vm.tr("net_year1"))
-                        Text(sub).font(.system(size: 14)).foregroundStyle(p.subtext)
+                    Text(vm.tr("net_sub")).font(.caption).foregroundStyle(.secondary)
-                    }
-                    Spacer()
-                    if !open { LockIcon(color: p.overlay) }
                 }
             }
+            ForEach(["net_year2", "net_year3", "net_year4"], id: \.self) { key in
+                Label {
+                    VStack(alignment: .leading) {
+                        Text(vm.tr(key))
+                        Text(vm.tr("net_year_locked_sub")).font(.caption)
                     }
-        .buttonStyle(.plain)
+                } icon: {
-        .disabled(!open)
+                    Image(systemName: "lock.fill")
-        .opacity(open ? 1 : 0.48)
+                }
+                .foregroundStyle(.secondary)
+            }
+        }
+        .navigationTitle(vm.tr("net_years_title"))
+        .navigationSubtitle(vm.tr("net_years_sub"))
     }
 }
 
-struct LessonMapScreen: View {
+struct LessonRow: Identifiable {
-    @ObservedObject var vm: AppModel
+    let id: String
     let title: String
-    let sub: String
+    let done: Bool
-    let nodes: [MapNode]
+    let destination: Route
+}
+
+struct LessonListScreen: View {
+    let title: String
+    let subtitle: String
+    let rows: [LessonRow]
 
     var body: some View {
-        VStack(spacing: 0) {
+        List(rows) { row in
-            PageTop(vm: vm, back: { vm.back() }, title: title, subtitle: sub)
+            NavigationLink(value: row.destination) {
-                .padding(.horizontal, 12)
+                Label {
-            PathMap(nodes: nodes, palette: vm.palette)
+                    Text(row.title)
-                .padding(.horizontal, 12)
+                } icon: {
+                    Image(systemName: row.done ? "checkmark.circle.fill" : "circle")
                 }
             }
+        }
+        .navigationTitle(title)
+        .navigationSubtitle(subtitle)
+    }
 }
 
 struct SlidesScreen: View {
     @ObservedObject var vm: AppModel
     let title: String
-    let sub: String
+    let subtitle: String
     let slides: [J]
-    var onExercise: () -> Void
+    let next: Route
     @State private var idx = 0
 
     var body: some View {
-        let p = vm.palette
+        TabView(selection: $idx) {
-        if let slide = slides.indices.contains(idx) ? slides[idx] : nil {
+            ForEach(slides.indices, id: \.self) { i in
-            VStack(spacing: 0) {
+                let slide = slides[i]
-                PageTop(vm: vm, back: { vm.back() }, title: title, subtitle: sub)
-                    .padding(.horizontal, 16)
                 ScrollView {
-                    VStack(alignment: .leading, spacing: 8) {
+                    VStack(alignment: .leading, spacing: 12) {
-                        Text(slide.str("kicker")).font(.system(size: 12, weight: .semibold)).foregroundStyle(p.subtext)
+                        Text(slide.str("kicker"))
-                        Text(slide.str("title")).font(.system(size: 24, weight: .bold)).foregroundStyle(p.text)
+                            .font(.caption.weight(.semibold))
+                            .foregroundStyle(.secondary)
+                        Text(slide.str("title")).font(.title2.bold())
                         if let tip = slide.strOrNull("tip") {
-                            CardBox(palette: p) { Text(tip).foregroundStyle(p.text) }
+                            GlassCard { Text(tip) }
                         }
                         ForEach(Array(slide.strs("lines").enumerated()), id: \.offset) { _, line in
-                            CardBox(palette: p) { Text(line).font(.system(size: 16)).foregroundStyle(p.text) }
+                            Text(line).padding(.vertical, 4)
                         }
                     }
-                    .padding(.horizontal, 16)
+                    .padding()
+                    .frame(maxWidth: .infinity, alignment: .leading)
                 }
-                HStack {
+                .tag(i)
-                    if idx > 0 {
-                        PillButton(label: vm.tr("net_slide_prev"), palette: p) { idx -= 1 }
             }
-                    Spacer()
+        }
+        .tabViewStyle(.page(indexDisplayMode: .automatic))
+        .navigationTitle(title)
+        .navigationSubtitle(subtitle)
+        .toolbar {
+            ToolbarItem(placement: .bottomBar) {
                 if idx < slides.count - 1 {
-                        PrimaryButton(label: vm.tr("net_slide_next"), palette: p) { idx += 1 }
+                    Button(vm.tr("net_slide_next")) { idx += 1 }
                 } else {
-                        PrimaryButton(label: vm.tr("net_slide_start"), palette: p, action: onExercise)
+                    NavigationLink(vm.tr("net_slide_start"), value: next)
                 }
             }
-                .padding(12)
-            }
         }
     }
 }
@@ -566,44 +428,18 @@ struct CzechMapScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
+        List {
-        let items: [(String, String, Route?)] = [
+            Label(vm.tr("Literatura"), systemImage: "lock.fill")
-            ("L", vm.tr("Literatura"), nil),
+                .foregroundStyle(.secondary)
-            ("M", vm.tr("Mluvnice"), .mluvnice),
+            NavigationLink(value: Route.mluvnice) {
-            ("Č", vm.tr("Maturitní četba"), .readingList),
+                Label(vm.tr("Mluvnice"), systemImage: "textformat")
-        ]
+            }
-        VStack(spacing: 0) {
+            NavigationLink(value: Route.readingList) {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("Český jazyk a literatura"), subtitle: vm.tr("czech_sub"))
+                Label(vm.tr("Maturitní četba"), systemImage: "books.vertical")
-                .padding(.horizontal, 16)
-            ScrollView {
-                VStack(spacing: 12) {
-                    ForEach(items, id: \.0) { letter, name, route in
-                        Button {
-                            if let route { vm.go(route) }
-                        } label: {
-                            CardBox(palette: p) {
-                                HStack(spacing: 14) {
-                                    ZStack {
-                                        Circle().fill(route == nil ? p.lockedBg : p.accent).frame(width: 56, height: 56)
-                                        if route == nil {
-                                            LockIcon(color: p.overlay)
-                                        } else {
-                                            Text(letter).font(.system(size: 20, weight: .heavy)).foregroundStyle(p.onAccent)
-                                        }
-                                    }
-                                    Text(name).font(.system(size: 16, weight: .semibold)).foregroundStyle(p.text)
-                                    Spacer()
-                                }
-                            }
-                        }
-                        .buttonStyle(.plain)
-                        .disabled(route == nil)
-                        .opacity(route == nil ? 0.48 : 1)
-                    }
-                }
-                .padding(.horizontal, 16)
             }
         }
+        .navigationTitle(vm.tr("Český jazyk a literatura"))
+        .navigationSubtitle(vm.tr("czech_sub"))
     }
 }
 
@@ -611,31 +447,22 @@ struct BookListScreen: View {
     @ObservedObject var vm: AppModel
 
     var body: some View {
-        let p = vm.palette
+        List {
-        VStack(spacing: 0) {
-            PageTop(vm: vm, back: { vm.back() }, title: vm.tr("Maturitní četba"), subtitle: vm.tr("reading_sub"))
-                .padding(.horizontal, 16)
-            ScrollView {
-                VStack(spacing: 12) {
             ForEach(Array(vm.content.books.enumerated()), id: \.offset) { _, b in
-                        Button { vm.go(.book(b.str("id"))) } label: {
+                NavigationLink(value: Route.book(b.str("id"))) {
-                            CardBox(palette: p) {
+                    Label {
-                                HStack(spacing: 12) {
-                                    BookIcon(color: p.text, size: 28)
                         VStack(alignment: .leading) {
-                                        Text(b.str("title")).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
+                            Text(b.str("title"))
-                                        Text(vm.tr(b.str("subKey"))).font(.system(size: 13)).foregroundStyle(p.subtext)
+                            Text(vm.tr(b.str("subKey"))).font(.caption).foregroundStyle(.secondary)
                         }
-                                    Spacer()
+                    } icon: {
+                        Image(systemName: "book.fill")
                     }
                 }
             }
-                        .buttonStyle(.plain)
-                    }
-                }
-                .padding(.horizontal, 16)
-            }
         }
+        .navigationTitle(vm.tr("Maturitní četba"))
+        .navigationSubtitle(vm.tr("reading_sub"))
     }
 }
 
@@ -645,54 +472,37 @@ struct BookScreen: View {
 
     var body: some View {
         if let b = vm.content.book(id) {
-            let p = vm.palette
+            List {
-            VStack(spacing: 0) {
+                NavigationLink(value: Route.bookQuiz(id)) {
-                PageTop(vm: vm, back: { vm.back() }, title: b.str("title"), subtitle: vm.tr(b.str("subKey")))
+                    Label {
-                    .padding(.horizontal, 16)
-                ScrollView {
-                    VStack(spacing: 12) {
-                        Button { vm.go(.bookQuiz(id)) } label: {
-                            CardBox(palette: p) {
-                                HStack(spacing: 10) {
-                                    QuizIcon(color: p.text)
                         VStack(alignment: .leading) {
-                                        Text(vm.tr(b.str("quizTitle"))).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
+                            Text(vm.tr(b.str("quizTitle")))
-                                        Text(vm.tr(b.str("quizSub"))).font(.system(size: 13)).foregroundStyle(p.subtext)
+                            Text(vm.tr(b.str("quizSub"))).font(.caption).foregroundStyle(.secondary)
+                        }
+                    } icon: {
+                        Image(systemName: "questionmark.circle")
                     }
                 }
-                            }
+                NavigationLink(value: Route.bookPlot(id)) {
-                        }
+                    Label {
-                        .buttonStyle(.plain)
-                        Button { vm.go(.bookPlot(id)) } label: {
-                            CardBox(palette: p) {
-                                HStack(spacing: 10) {
-                                    OrderIcon(color: p.text)
                         VStack(alignment: .leading) {
-                                        Text(vm.tr(b.str("plotTitle"))).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
+                            Text(vm.tr(b.str("plotTitle")))
-                                        Text(vm.tr(b.str("plotSub"))).font(.system(size: 13)).foregroundStyle(p.subtext)
+                            Text(vm.tr(b.str("plotSub"))).font(.caption).foregroundStyle(.secondary)
+                        }
+                    } icon: {
+                        Image(systemName: "list.number")
                     }
                 }
-                            }
-                        }
-                        .buttonStyle(.plain)
                 ForEach(Array(b.arr("notes").enumerated()), id: \.offset) { _, note in
-                            CardBox(palette: p) {
+                    Section(note.str("title")) {
-                                VStack(alignment: .leading, spacing: 8) {
-                                    HStack(spacing: 8) {
-                                        noteIcon(note.str("icon"), p.text)
-                                        Text(note.str("title")).font(.system(size: 16, weight: .bold)).foregroundStyle(p.text)
-                                    }
                         ForEach(note.strs("lines"), id: \.self) { line in
-                                        Text("• \(line)").font(.system(size: 15)).foregroundStyle(p.text)
+                            Text(line)
                         }
                     }
                 }
             }
-                    }
+            .navigationTitle(b.str("title"))
-                    .padding(.horizontal, 16)
+            .navigationSubtitle(vm.tr(b.str("subKey")))
-                    .padding(.bottom, 20)
-                }
-            }
         }
     }
 }

src/i18n.c

@@ -62,10 +62,10 @@ const TrEntry tr_ui[] = {
      "Exam practice on your phone. Czech and English, "
      "the same content as on the computer."},
     {"welcome_body_ios",
-     "Procvičování k maturitě v iPhonu. Česky i anglicky, "
+     "Nativní procvičování na iPhonu. Česky i anglicky, "
-     "stejný obsah jako na počítači.",
+     "stejný obsah, rozhraní podle iOS.",
-     "Exam practice on iPhone. Czech and English, "
+     "Native exam practice on iPhone. Czech and English, "
-     "the same content as on the computer."},
+     "the same content, adapted to iOS."},
     {"update_ios_sideload",
      "Nový build je na GitHubu. Nainstalujte ho znovu přes Xcode nebo AltStore (%s).",
      "A newer build is on GitHub. Reinstall it with Xcode or AltStore (%s)."},