More UI improvements

app/desktop/src/main/kotlin/ru/fromchat/desktop/Main.kt

@@ -53,25 +53,26 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
-import org.jetbrains.compose.resources.getString
 import org.jetbrains.compose.resources.stringResource
 import org.jetbrains.skia.Image
 import ru.fromchat.AppForeground
 import ru.fromchat.Logger
 import ru.fromchat.Res
 import ru.fromchat.action_copy
+import ru.fromchat.action_select
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.local.workers.AttachmentTransferBootstrap
 import ru.fromchat.app_name
 import ru.fromchat.desktop_about_app
 import ru.fromchat.desktop_cut
-import ru.fromchat.desktop_menu_actions
 import ru.fromchat.desktop_menu_edit
+import ru.fromchat.desktop_menu_file
 import ru.fromchat.desktop_menu_window
 import ru.fromchat.desktop_minimize
+import ru.fromchat.desktop_new_chat
 import ru.fromchat.desktop_paste
 import ru.fromchat.desktop_quit
+import ru.fromchat.desktop_search_conversations
 import ru.fromchat.desktop_select_all
 import ru.fromchat.desktop_show_app
 import ru.fromchat.desktop_tray_show
@@ -217,8 +218,9 @@ fun main(args: Array<String>) {
     // (closer to Android Popup behavior). Must be set before any Compose UI runs.
     System.setProperty("compose.layers.type", "WINDOW")
     if (isMacOs()) {
-        val appName = runBlocking { getString(Res.string.app_name) }
-        System.setProperty("apple.awt.application.name", appName)
+        // Must be set before AWT Toolkit init (do not call getString / Compose here).
+        // Value matches Res.string.app_name in values / values-ru.
+        System.setProperty("apple.awt.application.name", "FromChat")
         System.setProperty("apple.laf.useScreenMenuBar", "true")
     }
     if (!DesktopSingleInstance.acquireOrForward(args)) return
@@ -298,10 +300,26 @@ fun main(args: Array<String>) {
             visible = windowVisible || !traySupported,
             icon = windowIcon,
             onPreviewKeyEvent = { event ->
+                // macOS: MenuBar KeyShortcuts handle these. Win/Linux: no menu bar.
                 if (mac || event.type != KeyEventType.KeyDown || !event.isCtrlPressed) {
                     return@Window false
                 }
                 when {
+                    !event.isShiftPressed && event.key == Key.N -> {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.NewChat)
+                        true
+                    }
+                    !event.isShiftPressed && event.key == Key.F -> {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.SearchConversations)
+                        true
+                    }
+                    event.isShiftPressed && event.key == Key.S -> {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.EnterChatListSelection)
+                        true
+                    }
                     event.isShiftPressed && event.key == Key.A -> {
                         aboutOpen = true
                         true
@@ -322,7 +340,8 @@ fun main(args: Array<String>) {
                 }
             },
         ) {
-            LaunchedEffect(window) {
+            LaunchedEffect(window, appName) {
+                window.title = appName
                 enableEdgeToEdgeTitleBar(window.rootPane)
             }
             DisposableEffect(Unit) {
@@ -332,7 +351,18 @@ fun main(args: Array<String>) {
 
             if (mac) {
                 FromChatMenuBar(
-                    onAbout = { aboutOpen = true },
+                    onNewChat = {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.NewChat)
+                    },
+                    onSearchConversations = {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.SearchConversations)
+                    },
+                    onSelectChats = {
+                        windowVisible = true
+                        DesktopMenuCommands.emit(DesktopMenuCommand.EnterChatListSelection)
+                    },
                     onShow = { windowVisible = true },
                     onMinimize = { windowState.isMinimized = true },
                     onZoom = {
@@ -343,6 +373,7 @@ fun main(args: Array<String>) {
                                 WindowPlacement.Maximized
                             }
                     },
+                    onQuit = { exitApplication() },
                 )
             }
 
@@ -368,30 +399,46 @@ fun main(args: Array<String>) {
 
 @Composable
 private fun FrameWindowScope.FromChatMenuBar(
-    onAbout: () -> Unit,
+    onNewChat: () -> Unit,
+    onSearchConversations: () -> Unit,
+    onSelectChats: () -> Unit,
     onShow: () -> Unit,
     onMinimize: () -> Unit,
     onZoom: () -> Unit,
+    onQuit: () -> Unit,
 ) {
-    val actions = stringResource(Res.string.desktop_menu_actions)
-    val aboutApp = stringResource(Res.string.desktop_about_app)
-    val showApp = stringResource(Res.string.desktop_show_app)
+    val file = stringResource(Res.string.desktop_menu_file)
+    val newChat = stringResource(Res.string.desktop_new_chat)
+    val searchConversations = stringResource(Res.string.desktop_search_conversations)
+    val quit = stringResource(Res.string.desktop_quit)
     val edit = stringResource(Res.string.desktop_menu_edit)
     val cut = stringResource(Res.string.desktop_cut)
     val copy = stringResource(Res.string.action_copy)
     val paste = stringResource(Res.string.desktop_paste)
     val selectAll = stringResource(Res.string.desktop_select_all)
+    val select = stringResource(Res.string.action_select)
     val windowMenu = stringResource(Res.string.desktop_menu_window)
     val minimize = stringResource(Res.string.desktop_minimize)
     val zoom = stringResource(Res.string.desktop_zoom)
+    val showApp = stringResource(Res.string.desktop_show_app)
 
     MenuBar {
-        Menu(actions, mnemonic = 'A') {
-            Item(aboutApp, onClick = onAbout)
+        Menu(file, mnemonic = 'F') {
             Item(
-                showApp,
-                shortcut = KeyShortcut(Key.N, meta = true, shift = true),
-                onClick = onShow,
+                newChat,
+                shortcut = KeyShortcut(Key.N, meta = true),
+                onClick = onNewChat,
+            )
+            Item(
+                searchConversations,
+                shortcut = KeyShortcut(Key.F, meta = true),
+                onClick = onSearchConversations,
+            )
+            Separator()
+            Item(
+                quit,
+                shortcut = KeyShortcut(Key.Q, meta = true),
+                onClick = onQuit,
             )
         }
         Menu(edit, mnemonic = 'E') {
@@ -416,6 +463,11 @@ private fun FrameWindowScope.FromChatMenuBar(
                 shortcut = KeyShortcut(Key.A, meta = true),
                 onClick = { performAwtEditAction(DefaultEditorKit.selectAllAction) },
             )
+            Item(
+                select,
+                shortcut = KeyShortcut(Key.S, meta = true, shift = true),
+                onClick = onSelectChats,
+            )
         }
         Menu(windowMenu, mnemonic = 'W') {
             Item(
@@ -424,6 +476,12 @@ private fun FrameWindowScope.FromChatMenuBar(
                 onClick = onMinimize,
             )
             Item(zoom, onClick = onZoom)
+            Separator()
+            Item(
+                showApp,
+                shortcut = KeyShortcut(Key.N, meta = true, shift = true),
+                onClick = onShow,
+            )
         }
     }
 }

app/shared/src/commonMain/composeResources/values-ru/strings.xml

@@ -18,13 +18,15 @@
     <string name="auth_legal_notice_prefix">Регистрируясь, вы соглашаетесь с </string>
     <string name="auth_legal_notice_and"> и </string>
     <string name="app_desc">100% бесплатный и открытый мессенджер. Поддерживает self-hosted установку на своём сервере.</string>
-    <string name="desktop_menu_actions">Действия</string>
+    <string name="desktop_menu_file">Файл</string>
     <string name="desktop_menu_edit">Правка</string>
     <string name="desktop_menu_window">Окно</string>
     <string name="desktop_about_app">О FromChat</string>
     <string name="desktop_tray_show">Показать</string>
     <string name="desktop_show_app">Показать FromChat</string>
     <string name="desktop_quit">Выйти</string>
+    <string name="desktop_new_chat">Новый чат</string>
+    <string name="desktop_search_conversations">Поиск чатов</string>
     <string name="desktop_cut">Вырезать</string>
     <string name="desktop_paste">Вставить</string>
     <string name="desktop_select_all">Выделить всё</string>

app/shared/src/commonMain/composeResources/values/strings.xml

@@ -23,13 +23,15 @@
     <string name="app_desc">100% free and open messenger. Supports self-hosted installation on your own server.</string>
 
     <!-- Desktop menu / tray -->
-    <string name="desktop_menu_actions">Actions</string>
+    <string name="desktop_menu_file">File</string>
     <string name="desktop_menu_edit">Edit</string>
     <string name="desktop_menu_window">Window</string>
     <string name="desktop_about_app">About FromChat</string>
     <string name="desktop_tray_show">Show</string>
     <string name="desktop_show_app">Show FromChat</string>
     <string name="desktop_quit">Quit</string>
+    <string name="desktop_new_chat">New Chat</string>
+    <string name="desktop_search_conversations">Search Conversations</string>
     <string name="desktop_cut">Cut</string>
     <string name="desktop_paste">Paste</string>
     <string name="desktop_select_all">Select All</string>

app/shared/src/commonMain/kotlin/ru/fromchat/desktop/DesktopMenuCommands.kt

@@ -0,0 +1,28 @@
+package ru.fromchat.desktop
+
+import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
+
+enum class DesktopMenuCommand {
+    NewChat,
+    SearchConversations,
+    EnterChatListSelection,
+}
+
+/**
+ * Desktop menu / hotkey actions → UI (MainScreen, ChatsTab).
+ * No-ops on mobile when nothing emits.
+ */
+object DesktopMenuCommands {
+    private val commandsFlow = MutableSharedFlow<DesktopMenuCommand>(
+        extraBufferCapacity = 8,
+        onBufferOverflow = BufferOverflow.DROP_OLDEST,
+    )
+    val commands: SharedFlow<DesktopMenuCommand> = commandsFlow.asSharedFlow()
+
+    fun emit(command: DesktopMenuCommand) {
+        commandsFlow.tryEmit(command)
+    }
+}

app/shared/src/commonMain/kotlin/ru/fromchat/ui/App.kt

@@ -516,23 +516,26 @@ fun App(
 
                     ScreenSurface {
                         Box(Modifier.fillMaxSize()) {
-                            // Own profile from the Profile tab uses the settings detail host.
-                            // Profile opened from a chat stays in the chats detail (push/slide).
+                            // Own profile (Profile tab / settings hub) always uses the settings
+                            // detail host — even when a chat remains under the back stack via
+                            // preserveConversationDetail. Other users' profiles opened from a
+                            // conversation stay in the chats detail (see chatsDetailKey).
                             val settingsProfileSplit =
                                 showConversationListDetail &&
                                     isStandaloneProfileRoute(currentRoute) &&
                                     profileUserId != null &&
-                                    profileUserId == ownUserId &&
-                                    !isConversationChatRoute(previousRoute)
+                                    profileUserId == ownUserId
                             val listPaneWidth =
                                 if (widthSizeClass == WindowWidthSizeClass.EXPANDED) {
                                     448.dp
                                 } else {
                                     360.dp
                                 }
-                            // Only nudge the list pager when opening own profile from the
-                            // Profile tab — do not yank the user back when they switch to Chats
-                            // while a settings destination is still on the back stack.
+                            // Own profile lives in the settings detail host: keep the Settings
+                            // list tab active (Profile is only a shortcut button in two-pane).
+                            // forceSettingsTab only scrolls when true — clearing it does not
+                            // snap back, so switching to Chats while profile stays on the stack
+                            // is fine.
                             val forceSettingsListTab = settingsProfileSplit
 
                             var retainedChatsRoute by remember { mutableStateOf<String?>(null) }
@@ -886,6 +889,7 @@ fun App(
                                         isConversationProfileRoute(currentRoute) ||
                                         (
                                             isStandaloneProfileRoute(currentRoute) &&
+                                                !settingsProfileSplit &&
                                                 isConversationChatRoute(previousRoute)
                                             ) -> "nav"
                                     retainedChatsRoute != null -> "retained:$retainedChatsRoute"

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ChatTopBar.kt

@@ -67,7 +67,6 @@ import dev.chrisbanes.haze.blur.HazeBlurStyle
 import dev.chrisbanes.haze.blur.HazeColorEffect
 import dev.chrisbanes.haze.blur.HazeProgressive
 import dev.chrisbanes.haze.blur.blurEffect
-import dev.chrisbanes.haze.blur.materials.HazeMaterials
 import dev.chrisbanes.haze.hazeEffect
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
@@ -393,7 +392,7 @@ fun ChatTopBar(
         val layoutHeight = topBarPlaceable.height + arcExtentPx
 
         val bgPlaceable = subcompose("background") {
-            val hazeStyle = HazeMaterials.thin()
+            val hazeStyle = rememberChatSurfaceContainerHazeStyle()
             Box(
                 modifier = Modifier
                     .fillMaxSize()
@@ -424,10 +423,10 @@ fun ChatTopBar(
 }
 
 /**
- * Two-pane chat chrome: separate back pill + title pill. Matches the chat input bottom bar
- * ([HazeMaterials.thin] + [androidx.compose.material3.ColorScheme.surfaceContainer] + progressive
- * blur). The haze strip is full-bleed; pills sit in [ConversationDetailContentPadding] so blur
- * breathes at the edges (same horizontal inset as [ChatInput]).
+ * Two-pane chat chrome: separate back pill + title pill. Matches [ChatInput] composer chrome
+ * ([rememberChatSurfaceContainerHazeStyle] + [androidx.compose.material3.ColorScheme.surfaceContainer]).
+ * Full-bleed progressive haze strip behind the pills (high at top → fade toward bottom); pills keep
+ * their own surfaceContainer + [hazeEffect]. Horizontal inset matches [ChatInput].
  */
 @Composable
 private fun ChatTopBarPill(
@@ -441,7 +440,7 @@ private fun ChatTopBarPill(
     modifier: Modifier = Modifier,
     hazeBlurEnabled: Boolean = true,
 ) {
-    val hazeStyle = HazeMaterials.thin()
+    val hazeStyle = rememberChatSurfaceContainerHazeStyle()
     val chromeColor = MaterialTheme.colorScheme.surfaceContainer
     val pillShape = RoundedCornerShape(28.dp)
 
@@ -473,7 +472,13 @@ private fun ChatTopBarPill(
                 modifier = Modifier
                     .size(48.dp)
                     .clip(CircleShape)
-                    .background(chromeColor),
+                    .background(chromeColor)
+                    .hazeEffect(state = hazeState) {
+                        blurEffect {
+                            blurEnabled = hazeBlurEnabled
+                            style = hazeStyle
+                        }
+                    },
                 contentAlignment = Alignment.Center,
             ) {
                 IconButton(onClick = onBack) {
@@ -486,8 +491,14 @@ private fun ChatTopBarPill(
             Row(
                 modifier = Modifier
                     .weight(1f)
+                    .background(chromeColor, pillShape)
                     .clip(pillShape)
-                    .background(chromeColor)
+                    .hazeEffect(state = hazeState) {
+                        blurEffect {
+                            blurEnabled = hazeBlurEnabled
+                            style = hazeStyle
+                        }
+                    }
                     .padding(start = 12.dp, end = 4.dp, top = 4.dp, bottom = 4.dp),
                 verticalAlignment = Alignment.CenterVertically,
             ) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/MessageItem.kt

@@ -29,13 +29,16 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.widthIn
 import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.selection.LocalTextSelectionColors
 import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.text.selection.TextSelectionColors
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Timer
 import androidx.compose.material.icons.rounded.ErrorOutline
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
@@ -51,8 +54,10 @@ import androidx.compose.ui.graphics.TransformOrigin
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.input.pointer.AwaitPointerEventScope
 import androidx.compose.ui.input.pointer.PointerEvent
+import androidx.compose.ui.input.pointer.PointerIcon
 import androidx.compose.ui.input.pointer.changedToDown
 import androidx.compose.ui.input.pointer.isSecondaryPressed
+import androidx.compose.ui.input.pointer.pointerHoverIcon
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.layout.LayoutCoordinates
 import androidx.compose.ui.layout.layout
@@ -1106,16 +1111,41 @@ fun MessageItem(
                                             !isFilenameOnlyMessageCaption(message)
                                         ) {
                                             if (mouseMessageUi) {
+                                                // Default selection colors use primary; on author
+                                                // bubbles that matches the background, so
+                                                // highlight/handles are invisible.
+                                                val selectionHandle =
+                                                    if (isAuthor) {
+                                                        contentColor
+                                                    } else {
+                                                        MaterialTheme.colorScheme.primary
+                                                    }
                                                 ProvideChatTextSelectionMenu {
-                                                    SelectionContainer {
-                                                        Text(
-                                                            text = message.content,
-                                                            style = MaterialTheme.typography.bodyLarge,
-                                                            color = contentColor,
-                                                            modifier = Modifier.padding(
-                                                                horizontal = 14.dp,
+                                                    CompositionLocalProvider(
+                                                        LocalTextSelectionColors provides
+                                                            TextSelectionColors(
+                                                                handleColor = selectionHandle,
+                                                                backgroundColor =
+                                                                    selectionHandle.copy(
+                                                                        alpha = 0.35f,
+                                                                    ),
                                                             ),
-                                                        )
+                                                    ) {
+                                                        SelectionContainer(
+                                                            modifier = Modifier.pointerHoverIcon(
+                                                                PointerIcon.Text,
+                                                                overrideDescendants = true,
+                                                            ),
+                                                        ) {
+                                                            Text(
+                                                                text = message.content,
+                                                                style = MaterialTheme.typography.bodyLarge,
+                                                                color = contentColor,
+                                                                modifier = Modifier.padding(
+                                                                    horizontal = 14.dp,
+                                                                ),
+                                                            )
+                                                        }
                                                     }
                                                 }
                                             } else {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/DesktopTabDetailHosts.kt

@@ -35,6 +35,8 @@ fun DesktopTabDetailHosts(
             active = selectedTab == MAIN_PAGE_CHATS,
             content = chatsDetail,
         )
+        // Profile bottom-nav is a Settings shortcut in two-pane (pager stays on Settings).
+        // MAIN_PAGE_PROFILE is retained only as a defensive fallback.
         TabDetailHost(
             active = selectedTab == MAIN_PAGE_SETTINGS || selectedTab == MAIN_PAGE_PROFILE,
             content = settingsDetail,

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/MainDetailNav.kt

@@ -11,12 +11,17 @@ import ru.fromchat.ui.chat.panels.publicchat.PublicChatNav
  *
  * When [preserveConversationDetail] is true (desktop list–detail), keeps an open chat under
  * the new settings/profile destination so tab hosts can retain the Chats detail.
+ *
+ * No-ops when [route] is already the current main-detail destination (avoids pop+push
+ * churn and AnimatedContent / NavHost transitions for the same screen).
  */
 fun NavController.navigateReplacingMainDetail(
     route: String,
     preserveConversationDetail: Boolean = false,
     builder: NavOptionsBuilder.() -> Unit = {},
 ) {
+    if (isCurrentMainDetailRoute(route)) return
+
     if (preserveConversationDetail) {
         while (true) {
             val current = currentBackStackEntry?.destination?.route ?: break
@@ -36,6 +41,22 @@ fun NavController.navigateReplacingMainDetail(
     }
 }
 
+/**
+ * Whether the back stack top already shows [route] as the main-detail destination.
+ * Handles patterned routes such as `profile/{userId}` vs filled `profile/123`.
+ */
+fun NavController.isCurrentMainDetailRoute(route: String): Boolean {
+    val entry = currentBackStackEntry ?: return false
+    val current = entry.destination.route ?: return false
+    val target = route.substringBefore("?")
+    if (target.startsWith("profile/")) {
+        if (!current.startsWith("profile/") || current.startsWith("profile/edit")) return false
+        val targetUserId = target.removePrefix("profile/").substringBefore("/")
+        return entry.savedStateHandle.get<String>("userId") == targetUserId
+    }
+    return current == route || current.substringBefore("?") == target
+}
+
 private fun isConversationChatRoute(route: String?): Boolean =
     route == PublicChatNav.CHAT_ROUTE ||
         (route != null && route.startsWith("dm/") && "/chat" in route)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/MainScreen.kt

@@ -15,6 +15,7 @@ import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.only
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.pager.HorizontalPager
+import androidx.compose.foundation.pager.PagerState
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.Chat
@@ -43,6 +44,7 @@ import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.zIndex
+import androidx.navigation.NavController
 import com.pr0gramm3r101.utils.WindowWidthSizeClass
 import com.pr0gramm3r101.utils.currentWindowAdaptiveInfo
 import com.pr0gramm3r101.utils.widthSizeClass
@@ -53,12 +55,15 @@ import dev.chrisbanes.haze.blur.blurEffect
 import dev.chrisbanes.haze.hazeEffect
 import dev.chrisbanes.haze.hazeSource
 import dev.chrisbanes.haze.rememberHazeState
+import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
 import ru.fromchat.api.ApiClient
 import ru.fromchat.chats
 import ru.fromchat.contacts
+import ru.fromchat.desktop.DesktopMenuCommand
+import ru.fromchat.desktop.DesktopMenuCommands
 import ru.fromchat.profile
 import ru.fromchat.settings
 import ru.fromchat.ui.LocalNavController
@@ -72,6 +77,7 @@ import ru.fromchat.ui.main.chats.ChatContextMenuOverlayHost
 import ru.fromchat.ui.main.chats.ChatsTab
 import ru.fromchat.ui.main.settings.SettingsTab
 import ru.fromchat.ui.profile.ProfileScreen
+
 const val MAIN_PAGE_CHATS = 0
 const val MAIN_PAGE_CONTACTS = 1
 const val MAIN_PAGE_SETTINGS = 2
@@ -83,6 +89,64 @@ private const val PAGE_SETTINGS = MAIN_PAGE_SETTINGS
 private const val PAGE_PROFILE = MAIN_PAGE_PROFILE
 private const val PAGE_COUNT = 4
 
+/**
+ * Opens the signed-in user's profile in the list–detail pane (large screens).
+ *
+ * File-private (not a local fun inside [MainScreen]) so desktop JVM incremental runs do not
+ * chase missing nested classes like `MainScreenKt$MainScreen$openOwnProfileInDetailPane$1`.
+ */
+private fun openOwnProfileInDetailPane(
+    navController: NavController,
+    embeddedInListDetail: Boolean,
+) {
+    val userId = ApiClient.user?.id?.takeIf { it > 0 } ?: return
+    navController.navigateReplacingMainDetail(
+        route = "profile/$userId",
+        preserveConversationDetail = embeddedInListDetail,
+    )
+}
+
+/**
+ * Switches the main hub pager page. On large screens, Profile is a button: selects Settings
+ * in the list and opens own profile in the detail pane (Profile is never the active tab).
+ *
+ * Kept file-private (not nested in [MainScreen]) for the same desktop JVM class-loading reason
+ * as [openOwnProfileInDetailPane] / ChatRowAvatar gesture helpers.
+ *
+ * Skips pager animation and detail navigation when the destination is already showing.
+ */
+private fun selectMainPage(
+    page: Int,
+    widthClass: WindowWidthSizeClass,
+    scope: CoroutineScope,
+    pagerState: PagerState,
+    navController: NavController,
+    embeddedInListDetail: Boolean,
+) {
+    when {
+        page == PAGE_PROFILE && widthClass != WindowWidthSizeClass.COMPACT -> {
+            val alreadyOnSettingsList = pagerState.currentPage == PAGE_SETTINGS
+            val ownUserId = ApiClient.user?.id?.takeIf { it > 0 }
+            val alreadyShowingOwnProfile =
+                ownUserId != null &&
+                    navController.isCurrentMainDetailRoute("profile/$ownUserId")
+            if (alreadyOnSettingsList && alreadyShowingOwnProfile) return
+            if (!alreadyOnSettingsList) {
+                scope.launch { pagerState.animateScrollToPage(PAGE_SETTINGS) }
+            }
+            if (!alreadyShowingOwnProfile) {
+                openOwnProfileInDetailPane(navController, embeddedInListDetail)
+            }
+        }
+        else -> {
+            // Desktop list–detail: do not pop the chat (or settings) stack — each tab
+            // keeps its own detail host, so switching tabs must not wipe the other tab.
+            if (pagerState.currentPage == page) return
+            scope.launch { pagerState.animateScrollToPage(page) }
+        }
+    }
+}
+
 /**
  * @param embeddedInListDetail When true, this screen is the left pane of a list–detail layout.
  * Nav chrome stays inside this pane (bottom bar), never spanning the window.
@@ -115,6 +179,7 @@ fun MainScreen(
     val paneHazeState = LocalPaneHazeState.current
     val contextMenuHazeState = paneHazeState ?: rememberHazeState()
     val chatContextMenuOverlay = remember { ChatContextMenuOverlayController() }
+    var chatListSelectionRequestId by remember { mutableStateOf(0L) }
 
     val widthClass = currentWindowAdaptiveInfo().widthSizeClass
 
@@ -124,6 +189,34 @@ fun MainScreen(
         }
     }
 
+    LaunchedEffect(Unit) {
+        DesktopMenuCommands.commands.collect { command ->
+            when (command) {
+                DesktopMenuCommand.NewChat,
+                DesktopMenuCommand.SearchConversations,
+                -> {
+                    if (pagerState.currentPage != PAGE_CHATS) {
+                        pagerState.scrollToPage(PAGE_CHATS)
+                    }
+                    navController.navigate("search/conversations") {
+                        launchSingleTop = true
+                    }
+                }
+                DesktopMenuCommand.EnterChatListSelection -> {
+                    if (navController.currentBackStackEntry?.destination?.route ==
+                        "search/conversations"
+                    ) {
+                        navController.popBackStack()
+                    }
+                    if (pagerState.currentPage != PAGE_CHATS) {
+                        pagerState.scrollToPage(PAGE_CHATS)
+                    }
+                    chatListSelectionRequestId += 1
+                }
+            }
+        }
+    }
+
     val selectedPage = pagerState.currentPage
     LaunchedEffect(selectedPage) {
         onPageChanged(selectedPage)
@@ -153,38 +246,6 @@ fun MainScreen(
     val settingsLabel = stringResource(Res.string.settings)
     val profileLabel = stringResource(Res.string.profile)
 
-    fun openOwnProfileInDetailPane() {
-        val userId = ApiClient.user?.id?.takeIf { it > 0 } ?: return
-        navController.navigateReplacingMainDetail(
-            route = "profile/$userId",
-            preserveConversationDetail = embeddedInListDetail,
-        )
-    }
-
-    fun selectMainPage(page: Int) {
-        when {
-            page == PAGE_PROFILE && widthClass != WindowWidthSizeClass.COMPACT -> {
-                scope.launch { pagerState.animateScrollToPage(PAGE_SETTINGS) }
-                openOwnProfileInDetailPane()
-            }
-            else -> {
-                // Desktop list–detail: do not pop the chat (or settings) stack — each tab
-                // keeps its own detail host, so switching tabs must not wipe the other tab.
-                scope.launch { pagerState.animateScrollToPage(page) }
-            }
-        }
-    }
-
-    val navSelectedPage =
-        if (selectedPage == PAGE_SETTINGS &&
-            widthClass != WindowWidthSizeClass.COMPACT &&
-            navController.currentBackStackEntry?.destination?.route?.startsWith("profile/") == true
-        ) {
-            PAGE_PROFILE
-        } else {
-            selectedPage
-        }
-
     BoxWithConstraints(
         Modifier.fillMaxSize(),
     ) {
@@ -227,6 +288,7 @@ fun MainScreen(
                                     chatContextMenuOverlay = chatContextMenuOverlay,
                                     sharedTransitionScope = sharedTransitionScope,
                                     animatedVisibilityScope = animatedVisibilityScope,
+                                    enterSelectionRequestId = chatListSelectionRequestId,
                                 )
                                 PAGE_CONTACTS -> ContactsTab()
                                 PAGE_SETTINGS -> SettingsTab()
@@ -278,8 +340,17 @@ fun MainScreen(
                     windowInsets = WindowInsets.navigationBars.only(WindowInsetsSides.Bottom),
                 ) {
                     NavigationBarItem(
-                        selected = navSelectedPage == PAGE_CHATS,
-                        onClick = { selectMainPage(PAGE_CHATS) },
+                        selected = selectedPage == PAGE_CHATS,
+                        onClick = {
+                            selectMainPage(
+                                page = PAGE_CHATS,
+                                widthClass = widthClass,
+                                scope = scope,
+                                pagerState = pagerState,
+                                navController = navController,
+                                embeddedInListDetail = embeddedInListDetail,
+                            )
+                        },
                         label = { Text(chatsLabel) },
                         icon = {
                             Icon(
@@ -289,24 +360,54 @@ fun MainScreen(
                         },
                     )
                     NavigationBarItem(
-                        selected = navSelectedPage == PAGE_CONTACTS,
-                        onClick = { selectMainPage(PAGE_CONTACTS) },
+                        selected = selectedPage == PAGE_CONTACTS,
+                        onClick = {
+                            selectMainPage(
+                                page = PAGE_CONTACTS,
+                                widthClass = widthClass,
+                                scope = scope,
+                                pagerState = pagerState,
+                                navController = navController,
+                                embeddedInListDetail = embeddedInListDetail,
+                            )
+                        },
                         label = { Text(contactsLabel) },
                         icon = {
                             Icon(Icons.Filled.Contacts, contentDescription = null)
                         },
                     )
                     NavigationBarItem(
-                        selected = navSelectedPage == PAGE_SETTINGS,
-                        onClick = { selectMainPage(PAGE_SETTINGS) },
+                        selected = selectedPage == PAGE_SETTINGS,
+                        onClick = {
+                            selectMainPage(
+                                page = PAGE_SETTINGS,
+                                widthClass = widthClass,
+                                scope = scope,
+                                pagerState = pagerState,
+                                navController = navController,
+                                embeddedInListDetail = embeddedInListDetail,
+                            )
+                        },
                         label = { Text(settingsLabel) },
                         icon = {
                             Icon(Icons.Filled.Settings, contentDescription = null)
                         },
                     )
                     NavigationBarItem(
-                        selected = navSelectedPage == PAGE_PROFILE,
-                        onClick = { selectMainPage(PAGE_PROFILE) },
+                        // Two-pane: Profile is a shortcut button — never selected; Settings stays
+                        // highlighted while own profile is open in the detail pane.
+                        selected = widthClass == WindowWidthSizeClass.COMPACT &&
+                            selectedPage == PAGE_PROFILE,
+                        onClick = {
+                            selectMainPage(
+                                page = PAGE_PROFILE,
+                                widthClass = widthClass,
+                                scope = scope,
+                                pagerState = pagerState,
+                                navController = navController,
+                                embeddedInListDetail = embeddedInListDetail,
+                            )
+                        },
                         label = { Text(profileLabel) },
                         icon = {
                             Icon(Icons.Filled.Person, contentDescription = null)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/chats/ChatsTab.kt

@@ -541,6 +541,7 @@ fun ChatsTab(
     chatContextMenuOverlay: ChatContextMenuOverlayController,
     sharedTransitionScope: SharedTransitionScope? = null,
     animatedVisibilityScope: AnimatedVisibilityScope? = null,
+    enterSelectionRequestId: Long = 0L,
 ) {
     val navController = LocalNavController.current
     val clipboard = supportClipboardManagerImpl
@@ -625,6 +626,8 @@ fun ChatsTab(
     var showDeleteConfirm by remember { mutableStateOf(false) }
     var pendingDeleteUserIds by remember { mutableStateOf<Set<Int>>(emptySet()) }
 
+    var hadNonEmptySelection by remember { mutableStateOf(false) }
+
     fun enterSelectionModeFor(target: ChatContextMenuTarget, userId: Int?) {
         haptic(HapticFeedbackEvent.SelectionModeEntered)
         listMode = ChatsListMode.Selecting
@@ -636,11 +639,21 @@ fun ChatsTab(
         }
     }
 
+    fun enterSelectionModeEmpty() {
+        if (listMode == ChatsListMode.Selecting) return
+        haptic(HapticFeedbackEvent.SelectionModeEntered)
+        hadNonEmptySelection = false
+        listMode = ChatsListMode.Selecting
+        publicChatSelected = false
+        selectedOtherUserIds = emptySet()
+    }
+
     fun exitSelectionMode() {
         scope.launch { selectionTransitionProgress.snapTo(0f) }
         listMode = ChatsListMode.Normal
         publicChatSelected = false
         selectedOtherUserIds = emptySet()
+        hadNonEmptySelection = false
         contextMenuState = ChatContextMenuState()
         chatContextMenuOverlay.clear()
     }
@@ -659,6 +672,11 @@ fun ChatsTab(
         }
     }
 
+    LaunchedEffect(enterSelectionRequestId, isVisible) {
+        if (enterSelectionRequestId == 0L || !isVisible) return@LaunchedEffect
+        enterSelectionModeEmpty()
+    }
+
     fun refreshDmList() {
         scope.launch {
             runCatching {
@@ -683,9 +701,13 @@ fun ChatsTab(
         }
     }
 
-    LaunchedEffect(publicChatSelected, selectedOtherUserIds) {
-        if (listMode == ChatsListMode.Selecting && !publicChatSelected && selectedOtherUserIds.isEmpty()) {
-            requestExitSelectionMode()
+    LaunchedEffect(publicChatSelected, selectedOtherUserIds, listMode) {
+        if (listMode != ChatsListMode.Selecting) return@LaunchedEffect
+        val empty = !publicChatSelected && selectedOtherUserIds.isEmpty()
+        if (empty) {
+            if (hadNonEmptySelection) requestExitSelectionMode()
+        } else {
+            hadNonEmptySelection = true
         }
     }
 

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/AboutScreen.kt

@@ -16,8 +16,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import ru.fromchat.ui.components.Text
-import androidx.compose.material3.TopAppBarDefaults
-import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -32,6 +30,7 @@ import coil3.compose.AsyncImage
 import com.pr0gramm3r101.components.Category
 import com.pr0gramm3r101.components.ListItem
 import com.pr0gramm3r101.ui.Website
+import com.pr0gramm3r101.utils.conditional
 import org.jetbrains.compose.resources.stringResource
 import org.jetbrains.compose.resources.vectorResource
 import ru.fromchat.AppBuildInfo
@@ -56,16 +55,11 @@ private const val URL_WEBSITE = "https://fromchat.ru"
 @Composable
 fun AboutScreen() {
     val useCollapsing = settingsDetailUseCollapsingTopBar()
-    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
+    val scrollBehavior = rememberSettingsCollapsingScrollBehavior()
     val navController = LocalNavController.current
     val uriHandler = LocalUriHandler.current
 
     Scaffold(
-        modifier = if (useCollapsing) {
-            Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
-        } else {
-            Modifier
-        },
         topBar = {
             SettingsDetailTopBar(
                 title = {
@@ -83,6 +77,9 @@ fun AboutScreen() {
         Column(
             Modifier
                 .fillMaxWidth()
+                .conditional(useCollapsing) {
+                    Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
+                }
                 .verticalScroll(rememberScrollState())
                 .padding(innerPadding)
         ) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/AppearanceScreen.kt

@@ -23,8 +23,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import ru.fromchat.ui.components.Text
-import androidx.compose.material3.TopAppBarDefaults
-import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
@@ -38,6 +36,7 @@ import androidx.compose.ui.unit.dp
 import com.pr0gramm3r101.components.Category
 import com.pr0gramm3r101.components.ListItem
 import com.pr0gramm3r101.components.SwitchListItem
+import com.pr0gramm3r101.utils.conditional
 import com.pr0gramm3r101.utils.materialYouAvailable
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
@@ -59,7 +58,7 @@ import ru.fromchat.ui.theme
 @Composable
 fun AppearanceScreen(onBack: () -> Unit) {
     val useCollapsing = settingsDetailUseCollapsingTopBar()
-    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
+    val scrollBehavior = rememberSettingsCollapsingScrollBehavior()
 
     var materialYouSwitch by remember {
         mutableStateOf(Settings.materialYou && materialYouAvailable)
@@ -68,11 +67,6 @@ fun AppearanceScreen(onBack: () -> Unit) {
     var themeChipIndex by remember { mutableIntStateOf(Settings.theme.ordinal) }
 
     Scaffold(
-        modifier = if (useCollapsing) {
-            Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
-        } else {
-            Modifier
-        },
         topBar = {
             SettingsDetailTopBar(
                 title = { Text(stringResource(Res.string.settings_category_appearance)) },
@@ -84,6 +78,9 @@ fun AppearanceScreen(onBack: () -> Unit) {
         Column(
             Modifier
                 .fillMaxWidth()
+                .conditional(useCollapsing) {
+                    Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
+                }
                 .verticalScroll(rememberScrollState())
                 .padding(innerPadding)
         ) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/NotificationsScreen.kt

@@ -12,8 +12,6 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHostState
-import androidx.compose.material3.TopAppBarDefaults
-import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
@@ -27,6 +25,7 @@ import androidx.compose.ui.unit.dp
 import com.pr0gramm3r101.components.Category
 import com.pr0gramm3r101.components.ListItem
 import com.pr0gramm3r101.components.SwitchListItem
+import com.pr0gramm3r101.utils.conditional
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
@@ -48,7 +47,7 @@ import ru.fromchat.ui.components.Text
 @Composable
 fun NotificationsScreen(onBack: () -> Unit) {
     val useCollapsing = settingsDetailUseCollapsingTopBar()
-    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
+    val scrollBehavior = rememberSettingsCollapsingScrollBehavior()
     val coroutineScope = rememberCoroutineScope()
     val snackbarHostState = remember { SnackbarHostState() }
     var notificationsEnabled by remember { mutableStateOf(false) }
@@ -60,11 +59,6 @@ fun NotificationsScreen(onBack: () -> Unit) {
 
     Scaffold(
         snackbarHost = { FromChatSnackbarHost(hostState = snackbarHostState) },
-        modifier = if (useCollapsing) {
-            Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
-        } else {
-            Modifier
-        },
         topBar = {
             SettingsDetailTopBar(
                 title = { Text(stringResource(Res.string.settings_notifications_title)) },
@@ -76,6 +70,9 @@ fun NotificationsScreen(onBack: () -> Unit) {
         Column(
             Modifier
                 .fillMaxWidth()
+                .conditional(useCollapsing) {
+                    Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
+                }
                 .verticalScroll(rememberScrollState())
                 .padding(innerPadding)
         ) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/SettingsDetailTopBar.kt

@@ -1,5 +1,7 @@
 package ru.fromchat.ui.main.settings
 
+import androidx.compose.animation.core.AnimationSpec
+import androidx.compose.animation.core.animate
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -7,16 +9,34 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MediumTopAppBar
 import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.material3.TopAppBarScrollBehavior
+import androidx.compose.material3.TopAppBarState
+import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
+import androidx.compose.ui.input.nestedscroll.NestedScrollSource
+import androidx.compose.ui.unit.Velocity
 import com.pr0gramm3r101.utils.WindowWidthSizeClass
 import com.pr0gramm3r101.utils.currentWindowAdaptiveInfo
 import com.pr0gramm3r101.utils.widthSizeClass
+import kotlin.math.abs
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
 import ru.fromchat.back
 import ru.fromchat.ui.LocalNavController
 
+/** Idle gap after mouse-wheel / trackpad deltas before snapping the collapsing bar. */
+private const val AppBarWheelSettleDelayMs = 64L
+
 /**
  * Back is shown on compact (full-screen stack), and on large screens only when the
  * previous destination is not the list–detail shell (`chat`) — i.e. when nested
@@ -35,6 +55,25 @@ fun settingsDetailShowBackButton(): Boolean {
 fun settingsDetailUseCollapsingTopBar(): Boolean =
     currentWindowAdaptiveInfo().widthSizeClass == WindowWidthSizeClass.COMPACT
 
+/**
+ * [TopAppBarDefaults.exitUntilCollapsedScrollBehavior] plus a nested-scroll wrapper that
+ * snaps `heightOffset` to expanded (0) or collapsed (`heightOffsetLimit`) after UserInput
+ * scroll settles.
+ *
+ * Mouse wheel / trackpad on desktop often never fires a fling, so Material's built-in snap
+ * (in `onPostFling`) never runs and the bar freezes mid-collapse. Debounced settle after
+ * scroll deltas fixes that without forking Material3.
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun rememberSettingsCollapsingScrollBehavior(): TopAppBarScrollBehavior {
+    val behavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
+    val scope = rememberCoroutineScope()
+    return remember(behavior, scope) {
+        SnappingExitUntilCollapsedScrollBehavior(behavior, scope)
+    }
+}
+
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun SettingsDetailTopBar(
@@ -57,6 +96,10 @@ fun SettingsDetailTopBar(
             title = title,
             navigationIcon = navigationIcon,
             scrollBehavior = scrollBehavior,
+            // Transparent while expanded; default scrolledContainerColor when collapsed.
+            colors = TopAppBarDefaults.topAppBarColors(
+                containerColor = Color.Transparent,
+            ),
         )
     } else {
         TopAppBar(
@@ -65,3 +108,109 @@ fun SettingsDetailTopBar(
         )
     }
 }
+
+@OptIn(ExperimentalMaterial3Api::class)
+private class SnappingExitUntilCollapsedScrollBehavior(
+    private val behavior: TopAppBarScrollBehavior,
+    private val scope: CoroutineScope,
+) : TopAppBarScrollBehavior by behavior {
+    private var settleJob: Job? = null
+    private var gestureStartOffset = 0f
+    private var trackingGesture = false
+
+    override val nestedScrollConnection = object : NestedScrollConnection {
+        private val inner = behavior.nestedScrollConnection
+
+        override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
+            if (source == NestedScrollSource.UserInput) {
+                onUserScrollDelta()
+            }
+            return inner.onPreScroll(available, source)
+        }
+
+        override fun onPostScroll(
+            consumed: Offset,
+            available: Offset,
+            source: NestedScrollSource,
+        ): Offset {
+            val result = inner.onPostScroll(consumed, available, source)
+            if (source == NestedScrollSource.UserInput) {
+                scheduleSettleIfNeeded()
+            }
+            return result
+        }
+
+        override suspend fun onPreFling(available: Velocity): Velocity {
+            cancelSettle()
+            trackingGesture = false
+            return inner.onPreFling(available)
+        }
+
+        override suspend fun onPostFling(consumed: Velocity, available: Velocity): Velocity {
+            cancelSettle()
+            trackingGesture = false
+            return inner.onPostFling(consumed, available)
+        }
+
+        private fun onUserScrollDelta() {
+            cancelSettle()
+            if (!trackingGesture) {
+                gestureStartOffset = state.heightOffset
+                trackingGesture = true
+            }
+        }
+
+        private fun scheduleSettleIfNeeded() {
+            val offset = state.heightOffset
+            val limit = state.heightOffsetLimit
+            if (limit >= -0.5f || offset >= -0.5f || offset <= limit + 0.5f) {
+                trackingGesture = false
+                return
+            }
+            val snapSpec = snapAnimationSpec ?: return
+            cancelSettle()
+            settleJob = scope.launch {
+                delay(AppBarWheelSettleDelayMs)
+                snapAppBarHeightOffset(
+                    state = state,
+                    gestureStartOffset = gestureStartOffset,
+                    snapAnimationSpec = snapSpec,
+                )
+                trackingGesture = false
+            }
+        }
+
+        private fun cancelSettle() {
+            settleJob?.cancel()
+            settleJob = null
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+private suspend fun snapAppBarHeightOffset(
+    state: TopAppBarState,
+    gestureStartOffset: Float,
+    snapAnimationSpec: AnimationSpec<Float>,
+) {
+    val limit = state.heightOffsetLimit
+    val offset = state.heightOffset
+    if (limit >= -0.5f || offset >= -0.5f || offset <= limit + 0.5f) return
+
+    val movedTowardCollapse = offset < gestureStartOffset - 0.5f
+    val movedTowardExpand = offset > gestureStartOffset + 0.5f
+    val target = when {
+        movedTowardCollapse -> limit
+        movedTowardExpand -> 0f
+        else -> if (state.collapsedFraction < 0.5f) 0f else limit
+    }
+    if (abs(offset - target) < 0.5f) return
+
+    animate(
+        initialValue = offset,
+        targetValue = target,
+        animationSpec = snapAnimationSpec,
+    ) { value, _ ->
+        state.heightOffset = value
+    }
+}

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/SettingsTab.kt

@@ -16,15 +16,13 @@ import androidx.compose.material.icons.filled.Palette
 import androidx.compose.material.icons.filled.Storage
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
-import androidx.compose.material3.MediumTopAppBar
 import androidx.compose.material3.Scaffold
 import ru.fromchat.ui.components.Text
+import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
-import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import com.pr0gramm3r101.components.Category
@@ -64,7 +62,6 @@ val SettingsStepHorizontalPadding = 24.dp
 @OptIn(ExperimentalMaterial3Api::class, ExperimentalLayoutApi::class)
 @Composable
 fun SettingsTab() {
-    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
     val navController = LocalNavController.current
     val isTwoPane = currentWindowAdaptiveInfo().widthSizeClass != WindowWidthSizeClass.COMPACT
 
@@ -76,11 +73,11 @@ fun SettingsTab() {
     }
 
     Scaffold(
-        modifier = Modifier.fillMaxSize().nestedScroll(scrollBehavior.nestedScrollConnection),
+        modifier = Modifier.fillMaxSize(),
         containerColor = Color.Transparent,
         contentWindowInsets = WindowInsets(0, 0, 0, 0),
         topBar = {
-            MediumTopAppBar(
+            TopAppBar(
                 windowInsets = if (LocalMainChromeInsets.current.top > 0.dp) {
                     WindowInsets.extraStatusBars
                 } else {
@@ -91,9 +88,7 @@ fun SettingsTab() {
                 },
                 colors = TopAppBarDefaults.topAppBarColors(
                     containerColor = Color.Transparent,
-                    scrolledContainerColor = Color.Transparent,
                 ),
-                scrollBehavior = scrollBehavior
             )
         }
     ) { innerPadding ->

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/account/AccountScreen.kt

@@ -19,8 +19,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.TextButton
-import androidx.compose.material3.TopAppBarDefaults
-import androidx.compose.material3.rememberTopAppBarState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
@@ -33,6 +31,7 @@ import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.unit.dp
 import com.pr0gramm3r101.components.Category
 import com.pr0gramm3r101.components.ListItem
+import com.pr0gramm3r101.utils.conditional
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import org.jetbrains.compose.resources.vectorResource
@@ -52,6 +51,7 @@ import ru.fromchat.settings_change_password
 import ru.fromchat.settings_security_change_password_sub
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.main.settings.SettingsDetailTopBar
+import ru.fromchat.ui.main.settings.rememberSettingsCollapsingScrollBehavior
 import ru.fromchat.ui.main.settings.settingsDetailUseCollapsingTopBar
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -64,7 +64,7 @@ fun AccountScreen(
     onDeleteAccount: () -> Unit,
 ) {
     val useCollapsing = settingsDetailUseCollapsingTopBar()
-    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(rememberTopAppBarState())
+    val scrollBehavior = rememberSettingsCollapsingScrollBehavior()
     val scope = rememberCoroutineScope()
     var showLogoutConfirm by remember { mutableStateOf(false) }
     var yandexAvailable by remember { mutableStateOf(false) }
@@ -75,11 +75,6 @@ fun AccountScreen(
     }
 
     Scaffold(
-        modifier = if (useCollapsing) {
-            Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
-        } else {
-            Modifier
-        },
         topBar = {
             SettingsDetailTopBar(
                 title = { Text(stringResource(Res.string.settings_account_title)) },
@@ -91,6 +86,9 @@ fun AccountScreen(
         Column(
             Modifier
                 .fillMaxWidth()
+                .conditional(useCollapsing) {
+                    Modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
+                }
                 .verticalScroll(rememberScrollState())
                 .padding(innerPadding)
         ) {