WebSocket status in tray, more UI fixes

app/desktop/build.gradle.kts

@@ -55,6 +55,8 @@ compose.desktop {
             macOS {
                 bundleID = "ru.fromchat.desktop"
                 iconFile.set(desktopWindowIconIcns)
+                // Tray icons as NSImage templates (menu bar light/dark tint). Also set in Main.kt.
+                jvmArgs("-Dapple.awt.enableTemplateImages=true")
                 infoPlist {
                     extraKeysRawXml = """
                         <key>CFBundleURLTypes</key>
@@ -105,6 +107,7 @@ tasks.matching { it.name == "run" }.configureEach {
         }
         jvmArgs(
             dockIconArgs + listOf(
+                "-Dapple.awt.enableTemplateImages=true",
                 "--module-path",
                 javafxJars.joinToString(File.pathSeparator) { it.absolutePath },
                 "--add-modules",

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

@@ -11,6 +11,9 @@ import java.util.prefs.Preferences
  * Stored in the same JVM prefs node as PlatformSettings (`ru.fromchat.settings`):
  * - `desktop_window_width` / `desktop_window_height` (float dp)
  * - `desktop_window_x` / `desktop_window_y` (float dp, absolute; absent → platform default)
+ *
+ * List–detail left pane width uses the sibling key `desktop_list_pane_width`
+ * (see [ru.fromchat.ui.main.ConversationListDetailShell]).
  */
 internal object DesktopWindowPrefs {
     private const val WIDTH_KEY = "desktop_window_width"

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

@@ -0,0 +1,19 @@
+package ru.fromchat.desktop
+
+/**
+ * macOS close-to-background policy notes (implemented in [MainKt] / tray close handler).
+ *
+ * ## Window close → background (not quit)
+ * The red traffic-light / window close hides the main window and keeps the JVM process
+ * plus menu-bar tray alive (close-to-tray). Quit is only via tray Quit, File → Quit, or ⌘Q.
+ * Dock icon stays (NSApplicationActivationPolicyRegular) so macOS can show the Dock
+ * "Running in Background" indicator when no windows are visible.
+ *
+ * ## No Login Item / SMAppService
+ * We intentionally do **not** register `SMAppService.mainAppService` (Open at Login /
+ * Login Items & Extensions). Close-to-tray does not require that registration; the process
+ * simply stays alive with a menu-bar tray while the window is hidden.
+ */
+internal object MacBackgroundLifecycle {
+    const val LOG_TAG = "MacBackground"
+}

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

@@ -1,13 +1,19 @@
 package ru.fromchat.desktop
 
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.graphics.toComposeImageBitmap
 import androidx.compose.ui.graphics.toPainter
@@ -34,6 +40,7 @@ import java.awt.Image
 import java.awt.KeyboardFocusManager
 import java.awt.RenderingHints
 import java.awt.Taskbar
+import java.awt.desktop.AppReopenedListener
 import java.awt.event.ActionEvent
 import java.awt.image.BufferedImage
 import java.io.BufferedReader
@@ -50,6 +57,8 @@ import javax.imageio.ImageIO
 import javax.swing.JComponent
 import javax.swing.JRootPane
 import javax.swing.SwingUtilities
+import javax.swing.UIManager
+import javax.swing.plaf.ColorUIResource
 import javax.swing.text.DefaultEditorKit
 import kotlin.concurrent.thread
 import kotlinx.coroutines.CoroutineScope
@@ -66,9 +75,13 @@ import ru.fromchat.Res
 import ru.fromchat.action_copy
 import ru.fromchat.action_select
 import ru.fromchat.api.ApiClient
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.ConnectionStateStore
+import ru.fromchat.api.local.db.store.ConnectionStatus
 import ru.fromchat.api.local.workers.AttachmentTransferBootstrap
 import ru.fromchat.app_name
 import ru.fromchat.app_name_beta
+import ru.fromchat.config.Settings
 import ru.fromchat.desktop_about_app
 import ru.fromchat.desktop_cut
 import ru.fromchat.desktop_menu_edit
@@ -83,8 +96,12 @@ import ru.fromchat.desktop_select_all
 import ru.fromchat.desktop_show_app
 import ru.fromchat.desktop_tray_show
 import ru.fromchat.desktop_zoom
+import ru.fromchat.status_connected
+import ru.fromchat.status_connecting
+import ru.fromchat.status_disconnected
 import ru.fromchat.ui.App
 import ru.fromchat.ui.LocalExtraStatusBarTop
+import ru.fromchat.ui.Theme
 
 private object DesktopApplicationBootstrap {
     private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
@@ -231,12 +248,19 @@ fun main(args: Array<String>) {
             if (AppBuildInfo.isDebug) "FromChat Beta" else "FromChat",
         )
         System.setProperty("apple.laf.useScreenMenuBar", "true")
+        // Treat TrayIcon images as NSImage templates so the menu bar tints them for light/dark.
+        // Must be set before CTrayIcon loads (Compose Tray / SystemTray).
+        System.setProperty("apple.awt.enableTemplateImages", "true")
     }
     if (!DesktopSingleInstance.acquireOrForward(args)) return
     DesktopProtocolRegistration.registerBestEffort()
+    // Close-to-tray keeps the process + tray; no SMAppService / Login Items registration.
     args.filter { DesktopDeepLinkBus.isFromChatUri(it) }
         .forEach { DesktopDeepLinkBus.handleUri(it) }
 
+    // Avoid the AWT default white "control" flash before Compose paints (CMP #1794).
+    applyDesktopWindowChromeBackground()
+
     val dockIconImage = loadAppIconBufferedImage(tray = false)
     applyDockIcon(dockIconImage)
     // Re-apply after AWT is fully up — Taskbar can ignore early sets on macOS :run.
@@ -250,6 +274,8 @@ fun main(args: Array<String>) {
             size = remember { DesktopWindowPrefs.loadSize() },
             position = remember { DesktopWindowPrefs.loadPosition() },
         )
+        // Hide until App bootstrap sets startDestination (avoids ~2s empty/white window).
+        var contentReady by remember { mutableStateOf(false) }
         var windowVisible by remember { mutableStateOf(true) }
         val trayState = rememberTrayState()
         // BufferedImage.toPainter() keeps the AWT pixels (avoids blank BitmapPainter round-trip).
@@ -265,6 +291,29 @@ fun main(args: Array<String>) {
         val aboutApp = stringResource(Res.string.desktop_about_app)
         val trayShow = stringResource(Res.string.desktop_tray_show)
         val quit = stringResource(Res.string.desktop_quit)
+        val connectionStatus by ConnectionStateStore.status.collectAsState()
+        var wsLinked by remember { mutableStateOf(WebSocketManager.isConnected) }
+        LaunchedEffect(Unit) {
+            while (true) {
+                wsLinked = WebSocketManager.isConnected
+                delay(400)
+            }
+        }
+        // Mirror ConnectionStateStore + WebSocketManager.isConnected (+ logged-out → disconnected).
+        val wsStatusLabel = when {
+            connectionStatus == ConnectionStatus.CONNECTED ||
+                connectionStatus == ConnectionStatus.UPDATING ||
+                wsLinked -> stringResource(Res.string.status_connected)
+            ApiClient.token.isNullOrEmpty() -> stringResource(Res.string.status_disconnected)
+            else -> stringResource(Res.string.status_connecting)
+        }
+        val windowChrome = remember { desktopThemeBackgroundCompose() }
+
+        LaunchedEffect(Unit) {
+            // Safety: never leave the window stuck hidden if bootstrap hangs.
+            delay(8_000)
+            contentReady = true
+        }
 
         LaunchedEffect(windowState.size, windowState.position) {
             delay(3_000)
@@ -283,19 +332,54 @@ fun main(args: Array<String>) {
             }
         }
 
-        fun openAbout() {
+        fun showMainWindow() {
             windowVisible = true
+            AppForeground.setForeground(true)
+        }
+
+        fun openAbout() {
+            showMainWindow()
             DesktopMenuCommands.emit(DesktopMenuCommand.OpenAbout)
         }
 
+        /** Hide window, keep process + tray (close-to-background). Else quit. */
+        fun requestCloseToBackgroundOrQuit() {
+            if (traySupported) {
+                windowVisible = false
+                // Desktop keeps sockets alive while the process runs (see keepWebSocketAliveInBackground).
+                AppForeground.setForeground(true)
+                if (mac) {
+                    Logger.i(MacBackgroundLifecycle.LOG_TAG, "Window closed → background (tray kept, process alive)")
+                }
+            } else {
+                exitApplication()
+            }
+        }
+
         LaunchedEffect(Unit) {
-            if (!mac || !Desktop.isDesktopSupported()) return@LaunchedEffect
+            if (!Desktop.isDesktopSupported()) return@LaunchedEffect
             val desktop = Desktop.getDesktop()
-            if (desktop.isSupported(Desktop.Action.APP_ABOUT)) {
+            if (mac && desktop.isSupported(Desktop.Action.APP_ABOUT)) {
                 desktop.setAboutHandler {
                     SwingUtilities.invokeLater { openAbout() }
                 }
             }
+            // ⌘Q / system Quit must fully exit (not close-to-tray).
+            if (desktop.isSupported(Desktop.Action.APP_QUIT_HANDLER)) {
+                desktop.setQuitHandler { _, response ->
+                    DesktopSingleInstance.release()
+                    response.performQuit()
+                    exitApplication()
+                }
+            }
+            // Dock click while window is hidden → show again (macOS AppReopened).
+            if (mac) {
+                desktop.addAppEventListener(
+                    AppReopenedListener {
+                        SwingUtilities.invokeLater { showMainWindow() }
+                    },
+                )
+            }
         }
 
         if (traySupported) {
@@ -303,9 +387,11 @@ fun main(args: Array<String>) {
                 icon = trayIcon,
                 state = trayState,
                 tooltip = appName,
-                onAction = { windowVisible = true },
+                onAction = { showMainWindow() },
                 menu = {
-                    Item(trayShow) { windowVisible = true }
+                    Item(wsStatusLabel, enabled = false) {}
+                    Separator()
+                    Item(trayShow) { showMainWindow() }
                     Item(aboutApp) { openAbout() }
                     Separator()
                     Item(quit) { exitApplication() }
@@ -314,17 +400,10 @@ fun main(args: Array<String>) {
         }
 
         Window(
-            onCloseRequest = {
-                if (traySupported) {
-                    windowVisible = false
-                    AppForeground.setForeground(true)
-                } else {
-                    exitApplication()
-                }
-            },
+            onCloseRequest = { requestCloseToBackgroundOrQuit() },
             title = appName,
             state = windowState,
-            visible = windowVisible || !traySupported,
+            visible = contentReady && (windowVisible || !traySupported),
             icon = windowIcon,
             onPreviewKeyEvent = { event ->
                 // macOS: MenuBar KeyShortcuts handle these. Win/Linux: no menu bar.
@@ -333,17 +412,17 @@ fun main(args: Array<String>) {
                 }
                 when {
                     !event.isShiftPressed && event.key == Key.N -> {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.NewChat)
                         true
                     }
                     !event.isShiftPressed && event.key == Key.F -> {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.SearchConversations)
                         true
                     }
                     event.isShiftPressed && event.key == Key.S -> {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.EnterChatListSelection)
                         true
                     }
@@ -352,7 +431,7 @@ fun main(args: Array<String>) {
                         true
                     }
                     event.isShiftPressed && event.key == Key.N -> {
-                        windowVisible = true
+                        showMainWindow()
                         true
                     }
                     event.key == Key.M -> {
@@ -367,8 +446,11 @@ fun main(args: Array<String>) {
                 }
             },
         ) {
-            LaunchedEffect(window, appName) {
+            LaunchedEffect(window, appName, windowChrome) {
                 window.title = appName
+                val awt = windowChrome.toAwtColor()
+                window.background = awt
+                window.contentPane.background = awt
                 enableEdgeToEdgeTitleBar(window.rootPane)
                 dockIconImage?.let { image ->
                     window.iconImages = listOf(image)
@@ -383,18 +465,18 @@ fun main(args: Array<String>) {
             if (mac) {
                 FromChatMenuBar(
                     onNewChat = {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.NewChat)
                     },
                     onSearchConversations = {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.SearchConversations)
                     },
                     onSelectChats = {
-                        windowVisible = true
+                        showMainWindow()
                         DesktopMenuCommands.emit(DesktopMenuCommand.EnterChatListSelection)
                     },
-                    onShow = { windowVisible = true },
+                    onShow = { showMainWindow() },
                     onMinimize = { windowState.isMinimized = true },
                     onZoom = {
                         windowState.placement =
@@ -411,7 +493,13 @@ fun main(args: Array<String>) {
             CompositionLocalProvider(
                 LocalExtraStatusBarTop provides if (mac) 28.dp else 0.dp,
             ) {
-                App()
+                Box(
+                    Modifier
+                        .fillMaxSize()
+                        .background(windowChrome),
+                ) {
+                    App(onContentReady = { contentReady = true })
+                }
             }
         }
     }
@@ -522,6 +610,39 @@ private fun isWindowsOs(): Boolean =
 private fun isLinuxOs(): Boolean =
     System.getProperty("os.name").orEmpty().lowercase().contains("linux")
 
+/**
+ * JFrame uses UIManager "control" as its default background before Compose draws.
+ * Set it to the app theme background so dark theme never flashes white (CMP #1794).
+ *
+ * Colors match Material3 [darkColorScheme]/[lightColorScheme] defaults used by [ru.fromchat.ui.getColorScheme].
+ */
+private fun applyDesktopWindowChromeBackground() {
+    UIManager.put("control", ColorUIResource(desktopThemeBackgroundCompose().toAwtColor()))
+}
+
+private fun desktopThemeBackgroundCompose(): Color {
+    val dark = when (runCatching { Settings.theme }.getOrDefault(Theme.AsSystem)) {
+        Theme.Dark -> true
+        Theme.Light -> false
+        Theme.AsSystem -> isSystemAppearanceDark()
+    }
+    // M3 default scheme backgrounds (desktop module has no material3 dependency).
+    return if (dark) Color(0xFF1C1B1F) else Color(0xFFFFFBFE)
+}
+
+private fun Color.toAwtColor(): java.awt.Color =
+    java.awt.Color(red, green, blue, alpha)
+
+private fun isSystemAppearanceDark(): Boolean {
+    if (!isMacOs()) return false
+    return runCatching {
+        val process = ProcessBuilder("defaults", "read", "-g", "AppleInterfaceStyle")
+            .redirectErrorStream(true)
+            .start()
+        process.inputStream.bufferedReader().readText().trim().equals("Dark", ignoreCase = true)
+    }.getOrDefault(false)
+}
+
 private fun enableEdgeToEdgeTitleBar(rootPane: JRootPane) {
     if (!isMacOs()) return
     rootPane.putClientProperty("apple.awt.fullWindowContent", true)
@@ -553,10 +674,14 @@ private fun applyDockIcon(image: BufferedImage?) {
 
 /**
  * Loads the desktop tray or window/dock icon from packaged resources.
- * Tray prefers the flat mark (`app_icon`); dock/window prefer the gradient (`app_window_icon`).
+ * Tray prefers the flat white+alpha mark (`app_icon`, template-ready); dock/window prefer
+ * the branded AppIcon (`app_window_icon`).
  *
  * Uses [BufferedImage.toPainter] so Compose Tray/Window hand the same AWT pixels to the OS
  * (BitmapPainter → ImageBitmap round-trips can rasterize blank and fall back to Compose's default).
+ *
+ * On macOS, `apple.awt.enableTemplateImages` makes the tray mark an NSImage template so the
+ * menu bar recolors it for the current appearance (set early in [main]).
  */
 private fun loadAppIconPainter(tray: Boolean): Painter {
     val image = loadAppIconBufferedImage(tray)

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

@@ -111,6 +111,8 @@
     <string name="search_not_found_message">Ничего не найдено. Попробуйте переформулировать запрос.</string>
     <string name="message_placeholder">Напишите сообщение…</string>
     <string name="status_connecting">Соединение</string>
+    <string name="status_connected">Подключено</string>
+    <string name="status_disconnected">Отключено</string>
     <string name="status_updating">Обновление</string>
     <string name="chat_group_label">Группа</string>
     <string name="chat_members_count">%1$d человек</string>

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

@@ -123,6 +123,8 @@
 
     <!-- Connection / chat chrome -->
     <string name="status_connecting">Connecting</string>
+    <string name="status_connected">Connected</string>
+    <string name="status_disconnected">Disconnected</string>
     <string name="status_updating">Updating</string>
     <string name="chat_group_label">Group</string>
     <string name="chat_members_count">%1$d people</string>

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

@@ -24,7 +24,6 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.navigation.NavBackStackEntry
@@ -221,7 +220,9 @@ fun App(
     startAtProfileUserId: Int? = null,
     startAtProfileUsername: String? = null,
     profileLookupErrorMessage: String? = null,
-    onProfileLookupErrorMessageConsumed: () -> Unit = {}
+    onProfileLookupErrorMessageConsumed: () -> Unit = {},
+    /** Desktop: fired once [startDestination] is known so the window can show after bootstrap. */
+    onContentReady: () -> Unit = {},
 ) {
     setSingletonImageLoaderFactory { context ->
         ImageLoader.Builder(context)
@@ -262,6 +263,7 @@ fun App(
             hasToken -> "chat"
             else -> "welcome"
         }
+        onContentReady()
 
         runCatching {
             UpdateSyncManager.initializeFromStorage(ApiClient.user?.id)
@@ -516,13 +518,6 @@ fun App(
 
                     ScreenSurface {
                         Box(Modifier.fillMaxSize()) {
-                            val listPaneWidth =
-                                if (widthSizeClass == WindowWidthSizeClass.EXPANDED) {
-                                    448.dp
-                                } else {
-                                    360.dp
-                                }
-
                             @Composable
                             fun AppNavHost(modifier: Modifier = Modifier) {
                                 NavHost(
@@ -677,7 +672,6 @@ fun App(
                                     LocalDesktopMainTab provides pendingMainTab,
                                 ) {
                                     ConversationListDetailShell(
-                                        listPaneWidth = listPaneWidth,
                                         detailInPanel = false,
                                         detailEdgeToEdge = detailEdgeToEdge,
                                         listPane = {

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

@@ -101,6 +101,7 @@ import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Logger
 import ru.fromchat.ui.main.ConversationDetailContentPadding
 import ru.fromchat.ui.main.LocalConversationListDetailActive
+import ru.fromchat.ui.main.detailPaneShowBackButton
 import ru.fromchat.Res
 import ru.fromchat.presence_recently
 import ru.fromchat.api.ApiClient
@@ -1414,6 +1415,7 @@ fun ChatScreen(
                             hazeState = hazeState,
                             hazeBlurEnabled = hazeBlurEnabled,
                             pillChrome = listDetailActive,
+                            showBackButton = detailPaneShowBackButton(),
                             onBack = {
                                 runNav { navController.navigateUp() }
                             },

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

@@ -333,6 +333,7 @@ fun ChatTopBar(
     modifier: Modifier = Modifier,
     hazeBlurEnabled: Boolean = true,
     pillChrome: Boolean = false,
+    showBackButton: Boolean = true,
 ) {
     if (pillChrome) {
         ChatTopBarPill(
@@ -345,6 +346,7 @@ fun ChatTopBar(
             titleChrome = titleChrome,
             modifier = modifier,
             hazeBlurEnabled = hazeBlurEnabled,
+            showBackButton = showBackButton,
         )
         return
     }
@@ -366,11 +368,13 @@ fun ChatTopBar(
                     titleContentColor = MaterialTheme.colorScheme.onSurface,
                 ),
                 navigationIcon = {
-                    IconButton(onClick = onBack) {
-                        Icon(
-                            imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
-                            contentDescription = backContentDescription
-                        )
+                    if (showBackButton) {
+                        IconButton(onClick = onBack) {
+                            Icon(
+                                imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
+                                contentDescription = backContentDescription
+                            )
+                        }
                     }
                 },
                 title = { titleChrome() },
@@ -441,6 +445,7 @@ private fun ChatTopBarPill(
     titleChrome: @Composable () -> Unit,
     modifier: Modifier = Modifier,
     hazeBlurEnabled: Boolean = true,
+    showBackButton: Boolean = true,
 ) {
     val hazeStyle = rememberChatSurfaceContainerHazeStyle()
     val progressiveStripHazeStyle = HazeMaterials.thin()
@@ -471,24 +476,26 @@ private fun ChatTopBarPill(
             verticalAlignment = Alignment.CenterVertically,
             horizontalArrangement = Arrangement.spacedBy(8.dp),
         ) {
-            Box(
-                modifier = Modifier
-                    .size(48.dp)
-                    .clip(CircleShape)
-                    .background(chromeColor)
-                    .hazeEffect(state = hazeState) {
-                        blurEffect {
-                            blurEnabled = hazeBlurEnabled
-                            style = hazeStyle
-                        }
-                    },
-                contentAlignment = Alignment.Center,
-            ) {
-                IconButton(onClick = onBack) {
-                    Icon(
-                        imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
-                        contentDescription = backContentDescription,
-                    )
+            if (showBackButton) {
+                Box(
+                    modifier = Modifier
+                        .size(48.dp)
+                        .clip(CircleShape)
+                        .background(chromeColor)
+                        .hazeEffect(state = hazeState) {
+                            blurEffect {
+                                blurEnabled = hazeBlurEnabled
+                                style = hazeStyle
+                            }
+                        },
+                    contentAlignment = Alignment.Center,
+                ) {
+                    IconButton(onClick = onBack) {
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
+                            contentDescription = backContentDescription,
+                        )
+                    }
                 }
             }
             Row(

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

@@ -2,9 +2,14 @@ package ru.fromchat.ui.chat
 
 import androidx.compose.animation.core.Spring
 import androidx.compose.animation.core.animate
+import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.spring
-import androidx.compose.foundation.LocalIndication
 import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.hoverable
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.interaction.collectIsHoveredAsState
+import androidx.compose.foundation.interaction.collectIsPressedAsState
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -37,6 +42,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.TransformOrigin
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.graphics.vector.ImageVector
@@ -65,7 +71,6 @@ import ru.fromchat.api.local.messages.isQueuedOutbound
 import ru.fromchat.api.schema.messages.Message
 import ru.fromchat.supportsMouseMessageInteraction
 import ru.fromchat.ui.components.Text
-import com.pr0gramm3r101.utils.scaleOnPress
 
 data class ContextMenuState(
     val isOpen: Boolean = false,
@@ -96,6 +101,31 @@ internal fun messageContextMenuFingerprint(
     }
 }
 
+private val contextMenuEnterSpec = spring<Float>(
+    dampingRatio = Spring.DampingRatioNoBouncy,
+    stiffness = Spring.StiffnessMedium,
+)
+
+private fun clampContextMenuOffset(
+    position: IntOffset,
+    popupSize: IntSize,
+    screenWidthPx: Int,
+    screenHeightPx: Int,
+    paddingPx: Int,
+    allowOutsideWindow: Boolean,
+): IntOffset {
+    if (allowOutsideWindow || popupSize == IntSize.Zero) return position
+    var x = position.x
+    var y = position.y
+    val rightEdge = screenWidthPx - paddingPx
+    val bottomEdge = screenHeightPx - paddingPx
+    if (x + popupSize.width > rightEdge) x = rightEdge - popupSize.width
+    if (y + popupSize.height > bottomEdge) y = bottomEdge - popupSize.height
+    if (x < paddingPx) x = paddingPx
+    if (y < paddingPx) y = paddingPx
+    return IntOffset(x, y)
+}
+
 @Composable
 fun MessageContextMenu(
     state: ContextMenuState,
@@ -127,34 +157,38 @@ fun MessageContextMenu(
         mutableStateOf(state.isOpen && state.message != null)
     }
     val animationProgress = remember { mutableFloatStateOf(0f) }
+    var enterLaidOut by remember(state.message) { mutableStateOf(false) }
+    var frozenOrigin by remember(state.message) {
+        mutableStateOf(TransformOrigin(0f, 0f))
+    }
 
     LaunchedEffect(state.isOpen) {
         if (!state.isOpen) {
             animate(
-                initialValue = 1f,
+                initialValue = animationProgress.floatValue,
                 targetValue = 0f,
-                animationSpec = spring(
-                    dampingRatio = Spring.DampingRatioLowBouncy,
-                    stiffness = Spring.StiffnessMediumLow
-                )
+                animationSpec = contextMenuEnterSpec,
             ) { value, _ ->
                 animationProgress.floatValue = value
             }
             shouldShowPopup = false
+            enterLaidOut = false
         }
     }
 
-    LaunchedEffect(state.isOpen, state.message) {
+    // Enter only after first layout so transform origin / position stay fixed mid-animation.
+    LaunchedEffect(state.isOpen, state.message, enterLaidOut) {
         if (state.isOpen && state.message != null) {
             shouldShowPopup = true
+            if (!enterLaidOut) {
+                animationProgress.floatValue = 0f
+                return@LaunchedEffect
+            }
             animationProgress.floatValue = 0f
             animate(
                 initialValue = 0f,
                 targetValue = 1f,
-                animationSpec = spring(
-                    dampingRatio = Spring.DampingRatioLowBouncy,
-                    stiffness = Spring.StiffnessMediumLow
-                )
+                animationSpec = contextMenuEnterSpec,
             ) { value, _ ->
                 animationProgress.floatValue = value
             }
@@ -165,7 +199,6 @@ fun MessageContextMenu(
         val density = LocalDensity.current
         val paddingPx = with(density) { 16.dp.toPx().toInt() }
         val allowOutsideWindow = supportsMouseMessageInteraction()
-        var popupSize by remember(state.message) { mutableStateOf(IntSize.Zero) }
 
         // Clamp with popupContentSize — do not SubcomposeLayout-measure under
         // SharedTransitionLayout (writes state during LookaheadMeasuring).
@@ -182,60 +215,18 @@ fun MessageContextMenu(
                     windowSize: IntSize,
                     layoutDirection: LayoutDirection,
                     popupContentSize: IntSize,
-                ): IntOffset {
-                    if (allowOutsideWindow) return state.position
-                    var x = state.position.x
-                    var y = state.position.y
-                    val rightEdge = screenWidthPx - paddingPx
-                    val bottomEdge = screenHeightPx - paddingPx
-                    if (x + popupContentSize.width > rightEdge) {
-                        x = rightEdge - popupContentSize.width
-                    }
-                    if (y + popupContentSize.height > bottomEdge) {
-                        y = bottomEdge - popupContentSize.height
-                    }
-                    if (x < paddingPx) x = paddingPx
-                    if (y < paddingPx) y = paddingPx
-                    return IntOffset(x, y)
-                }
+                ): IntOffset = clampContextMenuOffset(
+                    position = state.position,
+                    popupSize = popupContentSize,
+                    screenWidthPx = screenWidthPx,
+                    screenHeightPx = screenHeightPx,
+                    paddingPx = paddingPx,
+                    allowOutsideWindow = allowOutsideWindow,
+                )
             }
         }
 
-        val adjustedOffset = remember(
-            popupSize,
-            state.position,
-            screenWidthPx,
-            screenHeightPx,
-            paddingPx,
-            allowOutsideWindow,
-        ) {
-            if (allowOutsideWindow || popupSize == IntSize.Zero) {
-                state.position
-            } else {
-                var x = state.position.x
-                var y = state.position.y
-                val rightEdge = screenWidthPx - paddingPx
-                val bottomEdge = screenHeightPx - paddingPx
-                if (x + popupSize.width > rightEdge) x = rightEdge - popupSize.width
-                if (y + popupSize.height > bottomEdge) y = bottomEdge - popupSize.height
-                if (x < paddingPx) x = paddingPx
-                if (y < paddingPx) y = paddingPx
-                IntOffset(x, y)
-            }
-        }
-
-        val transformOriginX = if (popupSize.width > 0) {
-            ((state.position.x - adjustedOffset.x).toFloat() / popupSize.width).coerceIn(0f, 1f)
-        } else {
-            0f
-        }
-        val transformOriginY = if (popupSize.height > 0) {
-            ((state.position.y - adjustedOffset.y).toFloat() / popupSize.height).coerceIn(0f, 1f)
-        } else {
-            0f
-        }
-
-        val scale = 0.5f + 0.5f * animationProgress.floatValue
+        val scale = 0.8f + 0.2f * animationProgress.floatValue
         val alpha = animationProgress.floatValue
 
         // [state.position] is window coordinates (see MessageItem localToWindow).
@@ -282,12 +273,29 @@ fun MessageContextMenu(
                     onRetrySend(it)
                     onDismiss()
                 },
-                modifier = modifier.onSizeChanged { popupSize = it },
+                modifier = modifier.onSizeChanged { size ->
+                    if (size.width <= 0 || size.height <= 0 || enterLaidOut) return@onSizeChanged
+                    val adjusted = clampContextMenuOffset(
+                        position = state.position,
+                        popupSize = size,
+                        screenWidthPx = screenWidthPx,
+                        screenHeightPx = screenHeightPx,
+                        paddingPx = paddingPx,
+                        allowOutsideWindow = allowOutsideWindow,
+                    )
+                    frozenOrigin = TransformOrigin(
+                        pivotFractionX = ((state.position.x - adjusted.x).toFloat() / size.width)
+                            .coerceIn(0f, 1f),
+                        pivotFractionY = ((state.position.y - adjusted.y).toFloat() / size.height)
+                            .coerceIn(0f, 1f),
+                    )
+                    enterLaidOut = true
+                },
                 animated = true,
                 scale = scale,
                 alpha = alpha,
-                transformOriginX = transformOriginX,
-                transformOriginY = transformOriginY,
+                transformOriginX = frozenOrigin.pivotFractionX,
+                transformOriginY = frozenOrigin.pivotFractionY,
                 isReadOnly = isReadOnly,
             )
         }
@@ -417,39 +425,37 @@ internal fun ChatStyleContextMenuFrame(
     content: @Composable () -> Unit,
 ) {
     val menuShape = RoundedCornerShape(16.dp)
-    val density = LocalDensity.current
     val shadowElevationPx = if (withShadow) {
-        with(density) { 12.dp.toPx() }
+        with(LocalDensity.current) { 12.dp.toPx() }
     } else {
         0f
     }
-    val baseModifier = modifier.width(IntrinsicSize.Max)
-    val containerModifier =
-        if (animated) {
-            baseModifier.graphicsLayer(
-                scaleX = scale,
-                scaleY = scale,
-                alpha = alpha,
-                transformOrigin = TransformOrigin(transformOriginX, transformOriginY),
-                shadowElevation = shadowElevationPx,
-                shape = menuShape,
-                clip = true,
-            )
-        } else {
-            baseModifier.graphicsLayer(
-                shadowElevation = shadowElevationPx,
-                shape = menuShape,
-                clip = true,
-            )
-        }
-
-    Box(modifier = containerModifier) {
+    // Draw shadow on an outer layer; clip/background stay on the inner box so hover
+    // invalidation does not rebuild the elevated layer (avoids first-hover blink).
+    Box(
+        modifier = modifier
+            .width(IntrinsicSize.Max)
+            .graphicsLayer {
+                if (animated) {
+                    scaleX = scale
+                    scaleY = scale
+                    this.alpha = alpha
+                    transformOrigin = TransformOrigin(transformOriginX, transformOriginY)
+                }
+                shadowElevation = shadowElevationPx
+                shape = menuShape
+                clip = false
+            },
+    ) {
         Box(
             modifier = Modifier
                 .matchParentSize()
-                .background(MaterialTheme.colorScheme.surfaceContainer, menuShape),
+                .clip(menuShape)
+                .background(MaterialTheme.colorScheme.surfaceContainer),
         )
-        content()
+        Box(modifier = Modifier.clip(menuShape)) {
+            content()
+        }
     }
 }
 
@@ -467,27 +473,40 @@ internal fun ChatStyleContextMenuItem(
         isError -> MaterialTheme.colorScheme.error
         else -> MaterialTheme.colorScheme.onSurface
     }
-    val iconColor = textColor
+    val interactionSource = remember { MutableInteractionSource() }
+    val hovered by interactionSource.collectIsHoveredAsState()
+    val pressed by interactionSource.collectIsPressedAsState()
+    val pressScale by animateFloatAsState(
+        targetValue = if (pressed && enabled) 0.96f else 1f,
+        animationSpec = spring(
+            dampingRatio = Spring.DampingRatioNoBouncy,
+            stiffness = Spring.StiffnessMedium,
+        ),
+        label = "contextMenuItemPress",
+    )
     Box(
         modifier = modifier
             .fillMaxWidth()
             .padding(4.dp)
+            .graphicsLayer {
+                scaleX = pressScale
+                scaleY = pressScale
+            }
             .clip(chatStyleMenuItemShape)
-            .then(
-                if (enabled) {
-                    Modifier.scaleOnPress(
-                        scale = 0.96f,
-                        onClick = onClick,
-                        indication = LocalIndication.current,
-                        animationSpec = spring(
-                            dampingRatio = Spring.DampingRatioMediumBouncy,
-                            stiffness = Spring.StiffnessMedium,
-                        ),
-                    )
+            .background(
+                if (enabled && hovered) {
+                    MaterialTheme.colorScheme.onSurface.copy(alpha = 0.08f)
                 } else {
-                    Modifier
+                    Color.Transparent
                 },
             )
+            .hoverable(interactionSource = interactionSource, enabled = enabled)
+            .clickable(
+                interactionSource = interactionSource,
+                indication = null,
+                enabled = enabled,
+                onClick = onClick,
+            )
             .padding(horizontal = 12.dp, vertical = 8.dp),
         contentAlignment = Alignment.CenterStart,
     ) {
@@ -498,7 +517,7 @@ internal fun ChatStyleContextMenuItem(
             Icon(
                 imageVector = icon,
                 contentDescription = text,
-                tint = iconColor,
+                tint = textColor,
                 modifier = Modifier.size(20.dp),
             )
             Text(

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

@@ -1110,6 +1110,15 @@ fun MessageItem(
                                             !isCorrupted &&
                                             !isFilenameOnlyMessageCaption(message)
                                         ) {
+                                            // I-beam over message text: SelectionContainer registers
+                                            // PointerIcon.Text on Android/desktop; outer hover icon
+                                            // covers padding and ContextMenuArea gaps on desktop.
+                                            val selectableTextModifier = Modifier
+                                                .pointerHoverIcon(
+                                                    PointerIcon.Text,
+                                                    overrideDescendants = true,
+                                                )
+                                                .padding(horizontal = 14.dp)
                                             if (mouseMessageUi) {
                                                 // Default selection colors use primary; on author
                                                 // bubbles that matches the background, so
@@ -1141,19 +1150,20 @@ fun MessageItem(
                                                                 text = message.content,
                                                                 style = MaterialTheme.typography.bodyLarge,
                                                                 color = contentColor,
-                                                                modifier = Modifier.padding(
-                                                                    horizontal = 14.dp,
-                                                                ),
+                                                                modifier = selectableTextModifier,
                                                             )
                                                         }
                                                     }
                                                 }
                                             } else {
+                                                // Android (and touch): still show text cursor when a
+                                                // mouse/trackpad hovers the caption; selection stays
+                                                // off so long-press keeps opening the message menu.
                                                 Text(
                                                     text = message.content,
                                                     style = MaterialTheme.typography.bodyLarge,
                                                     color = contentColor,
-                                                    modifier = Modifier.padding(horizontal = 14.dp)
+                                                    modifier = selectableTextModifier,
                                                 )
                                             }
                                         }

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

@@ -1,8 +1,16 @@
 package ru.fromchat.ui.main
 
+import androidx.compose.animation.core.Spring
+import androidx.compose.animation.core.animateDpAsState
+import androidx.compose.animation.core.spring
+import androidx.compose.foundation.background
+import androidx.compose.foundation.gestures.detectHorizontalDragGestures
+import androidx.compose.foundation.hoverable
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.interaction.collectIsHoveredAsState
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxHeight
@@ -13,14 +21,32 @@ import androidx.compose.foundation.layout.union
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.runtime.staticCompositionLocalOf
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.pointer.PointerIcon
+import androidx.compose.ui.input.pointer.pointerHoverIcon
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.zIndex
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.IO
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import ru.fromchat.ui.components.AppPanel
 import ru.fromchat.ui.extraStatusBars
+import com.pr0gramm3r101.utils.settings.Settings as PlatformSettings
 
 /**
  * Horizontal inset for chat detail content (messages, top-bar pills, input) in list–detail
@@ -40,7 +66,11 @@ val LocalConversationListDetailActive = staticCompositionLocalOf { false }
  * ([detailInPanel]); chat detail is edge-to-edge ([detailEdgeToEdge]) so floating chrome
  * can blur past its inner padding toward the window.
  *
- * A small gutter separates panes so list-panel round corners stay visible.
+ * A small gutter separates panes so list-panel round corners stay visible. Drag that gap
+ * to resize the list; the remembered width is stored in desktop prefs
+ * (`desktop_list_pane_width`) and does not jump when adaptive window size classes change.
+ * While the gap is hovered or dragged it stays transparent so right-pane blur can extend
+ * into it.
  *
  * Pads with [WindowInsets.safeDrawing] ∪ [WindowInsets.extraStatusBars] so panes clear the
  * macOS title bar / system bars, then consumes those insets so child top bars do not double-pad
@@ -49,66 +79,162 @@ val LocalConversationListDetailActive = staticCompositionLocalOf { false }
  *
  * Layout structure is stable regardless of [detailEdgeToEdge] / [detailInPanel] so detail
  * [androidx.compose.animation.AnimatedContent] is not remounted when empty ↔ chat.
+ *
+ * The detail slot fills immediately with [androidx.compose.material3.ColorScheme.background]
+ * when the window grows (avoids a white/unpainted flash in the new strip). Detail content
+ * width springs toward the slot size so continuous resize eases instead of jumping.
  */
 @Composable
 fun ConversationListDetailShell(
-    listPaneWidth: Dp,
     listPane: @Composable () -> Unit,
     detailPane: @Composable () -> Unit,
     modifier: Modifier = Modifier,
     detailInPanel: Boolean = false,
     detailEdgeToEdge: Boolean = false,
 ) {
+    val density = LocalDensity.current
+    var storedListWidth by remember { mutableStateOf(ConversationListPanePrefs.load()) }
+    var gapDragging by remember { mutableStateOf(false) }
+    val gapInteractionSource = remember { MutableInteractionSource() }
+    val gapHovered by gapInteractionSource.collectIsHoveredAsState()
+    val gapActive = gapHovered || gapDragging
+
     val paneInsets = WindowInsets.safeDrawing.union(WindowInsets.extraStatusBars)
+    val shellBackground = MaterialTheme.colorScheme.background
 
     CompositionLocalProvider(LocalConversationListDetailActive provides true) {
-        Row(modifier.fillMaxSize()) {
-            AppPanel(
-                Modifier
-                    .windowInsetsPadding(paneInsets)
-                    .consumeWindowInsets(paneInsets)
-                    .padding(
-                        start = 8.dp,
-                        top = 8.dp,
-                        bottom = 8.dp,
+        BoxWithConstraints(
+            modifier
+                .fillMaxSize()
+                .background(shellBackground),
+        ) {
+            // List start padding (8.dp) + gap (8.dp) reserved outside the panel width.
+            val maxListWidth =
+                (maxWidth - 8.dp - 8.dp - 320.dp).coerceAtLeast(280.dp)
+            val listWidth = storedListWidth.coerceIn(280.dp, maxListWidth)
+
+            Row(Modifier.fillMaxSize()) {
+                AppPanel(
+                    Modifier
+                        .windowInsetsPadding(paneInsets)
+                        .consumeWindowInsets(paneInsets)
+                        .padding(
+                            start = 8.dp,
+                            top = 8.dp,
+                            bottom = 8.dp,
+                        )
+                        .width(listWidth)
+                        .fillMaxHeight(),
+                    shape = RoundedCornerShape(24.dp),
+                ) {
+                    listPane()
+                }
+                // Detail fills the remainder and draws under the leading gap so chrome blur
+                // can extend into it when the gap strip is transparent.
+                BoxWithConstraints(
+                    Modifier
+                        .weight(1f)
+                        .fillMaxHeight()
+                        .background(shellBackground)
+                        .then(
+                            if (detailEdgeToEdge) {
+                                Modifier
+                            } else {
+                                Modifier
+                                    .windowInsetsPadding(paneInsets)
+                                    .consumeWindowInsets(paneInsets)
+                                    .padding(
+                                        top = 8.dp,
+                                        end = 8.dp,
+                                        bottom = 8.dp,
+                                    )
+                            },
+                        ),
+                ) {
+                    val detailWidth by animateDpAsState(
+                        targetValue = maxWidth,
+                        animationSpec = spring(
+                            dampingRatio = Spring.DampingRatioNoBouncy,
+                            stiffness = Spring.StiffnessMediumLow,
+                        ),
+                        label = "conversationDetailPaneWidth",
                     )
-                    .width(listPaneWidth)
-                    .fillMaxHeight(),
-                shape = RoundedCornerShape(24.dp),
-            ) {
-                listPane()
-            }
-            Spacer(Modifier.width(8.dp))
-            Box(
-                Modifier
-                    .weight(1f)
-                    .fillMaxHeight()
-                    .then(
-                        if (detailEdgeToEdge) {
-                            Modifier
-                        } else {
-                            Modifier
-                                .windowInsetsPadding(paneInsets)
-                                .consumeWindowInsets(paneInsets)
-                                .padding(
-                                    top = 8.dp,
-                                    end = 8.dp,
-                                    bottom = 8.dp,
-                                )
-                        },
-                    ),
-            ) {
-                if (detailInPanel) {
-                    AppPanel(
-                        Modifier.fillMaxSize(),
-                        shape = RoundedCornerShape(24.dp),
+                    Box(
+                        Modifier
+                            .width(detailWidth.coerceAtMost(maxWidth))
+                            .fillMaxHeight()
+                            .align(Alignment.CenterStart),
                     ) {
-                        detailPane()
+                        if (detailInPanel) {
+                            AppPanel(
+                                Modifier.fillMaxSize(),
+                                shape = RoundedCornerShape(24.dp),
+                            ) {
+                                detailPane()
+                            }
+                        } else {
+                            detailPane()
+                        }
                     }
-                } else {
-                    detailPane()
+                    Box(
+                        Modifier
+                            .width(8.dp)
+                            .fillMaxHeight()
+                            .align(Alignment.CenterStart)
+                            .zIndex(1f)
+                            .background(if (gapActive) Color.Transparent else shellBackground)
+                            .pointerHoverIcon(PointerIcon.Hand)
+                            .hoverable(gapInteractionSource)
+                            .pointerInput(maxListWidth, density) {
+                                var dragWidth = storedListWidth
+                                var dragged = false
+                                detectHorizontalDragGestures(
+                                    onDragStart = {
+                                        gapDragging = true
+                                        dragged = false
+                                        dragWidth =
+                                            storedListWidth.coerceIn(280.dp, maxListWidth)
+                                    },
+                                    onDragEnd = {
+                                        gapDragging = false
+                                        if (dragged) {
+                                            ConversationListPanePrefs.save(dragWidth)
+                                        }
+                                    },
+                                    onDragCancel = { gapDragging = false },
+                                    onHorizontalDrag = { _, dragAmount ->
+                                        val delta = with(density) { dragAmount.toDp() }
+                                        dragged = true
+                                        dragWidth =
+                                            (dragWidth + delta).coerceIn(280.dp, maxListWidth)
+                                        storedListWidth = dragWidth
+                                    },
+                                )
+                            },
+                    )
                 }
             }
         }
     }
 }
+
+/**
+ * Persists list–detail left pane width in the same JVM prefs node as window size
+ * (`ru.fromchat.settings` / [PlatformSettings]).
+ */
+private object ConversationListPanePrefs {
+    private const val WIDTH_KEY = "desktop_list_pane_width"
+
+    private val settings = PlatformSettings()
+
+    fun load(): Dp {
+        val stored = runBlocking { settings.getFloat(WIDTH_KEY, 0f) }
+        return if (stored <= 0f) 360.dp else stored.dp
+    }
+
+    fun save(width: Dp) {
+        CoroutineScope(Dispatchers.IO).launch {
+            settings.putFloat(WIDTH_KEY, width.value)
+        }
+    }
+}

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

@@ -72,7 +72,6 @@ fun DesktopChatsDetailNavHost(
             profileDetailDestinations(
                 navController = navController,
                 sharedTransitionScope = sharedTransitionScope,
-                showBackOnProfile = true,
             )
         }
     }
@@ -126,7 +125,6 @@ fun DesktopSettingsDetailNavHost(
                 profileDetailDestinations(
                     navController = navController,
                     sharedTransitionScope = sharedTransitionScope,
-                    showBackOnProfile = false,
                     onOpenChat = onOpenChatFromProfile,
                 )
             }

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

@@ -8,6 +8,10 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.zIndex
 import androidx.navigation.NavController
+import com.pr0gramm3r101.utils.WindowWidthSizeClass
+import com.pr0gramm3r101.utils.currentWindowAdaptiveInfo
+import com.pr0gramm3r101.utils.widthSizeClass
+import ru.fromchat.ui.LocalNavController
 
 /**
  * Empty roots for desktop per-tab detail [androidx.navigation.NavHost]s.
@@ -17,6 +21,26 @@ object DesktopDetailNav {
     const val CHATS_ROOT = "desktop_chats_detail_root"
     const val SETTINGS_ROOT = "desktop_settings_detail_root"
     const val CONTACTS_ROOT = "desktop_contacts_detail_root"
+
+    fun isEmptyRoot(route: String?): Boolean =
+        route == CHATS_ROOT || route == SETTINGS_ROOT || route == CONTACTS_ROOT
+}
+
+/**
+ * Whether a detail-pane / full-screen top bar should show a back control.
+ *
+ * Compact (full-screen stack): always — leaving the screen requires back.
+ * Large list–detail: only when the previous entry is a real destination, not an empty
+ * desktop detail root or the main `chat` shell (popping would only reveal a placeholder).
+ */
+@Composable
+fun detailPaneShowBackButton(): Boolean {
+    if (currentWindowAdaptiveInfo().widthSizeClass == WindowWidthSizeClass.COMPACT) {
+        return true
+    }
+    val previousRoute = LocalNavController.current.previousBackStackEntry?.destination?.route
+        ?: return false
+    return previousRoute != "chat" && !DesktopDetailNav.isEmptyRoot(previousRoute)
 }
 
 /**

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

@@ -99,13 +99,11 @@ fun NavGraphBuilder.conversationDetailDestinations(
 /**
  * Standalone profile + edit-profile destinations.
  *
- * @param showBackOnProfile When false (desktop settings detail own-profile), hides the back button.
  * @param onOpenChat Opens a DM; on desktop settings host this should target the Chats detail nav.
  */
 fun NavGraphBuilder.profileDetailDestinations(
     navController: NavController,
     sharedTransitionScope: SharedTransitionScope,
-    showBackOnProfile: Boolean = true,
     onOpenChat: (Int) -> Unit = { navController.navigateToDmChat(it) },
 ) {
     composable(
@@ -144,7 +142,7 @@ fun NavGraphBuilder.profileDetailDestinations(
         ProfileScreen(
             userId = userId,
             username = profileUsername,
-            showBackButton = showBackOnProfile,
+            showBackButton = detailPaneShowBackButton(),
             onBack = { navController.navigateUp() },
             onChat = onOpenChat,
             sharedTransitionScope = sharedTransitionScope,

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

@@ -60,6 +60,7 @@ fun AboutScreen() {
     val uriHandler = LocalUriHandler.current
 
     Scaffold(
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLowest,
         topBar = {
             SettingsDetailTopBar(
                 title = {

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

@@ -67,6 +67,7 @@ fun AppearanceScreen(onBack: () -> Unit) {
     var themeChipIndex by remember { mutableIntStateOf(Settings.theme.ordinal) }
 
     Scaffold(
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLowest,
         topBar = {
             SettingsDetailTopBar(
                 title = { Text(stringResource(Res.string.settings_category_appearance)) },

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

@@ -10,6 +10,7 @@ import androidx.compose.material.icons.filled.Notifications
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
@@ -58,6 +59,7 @@ fun NotificationsScreen(onBack: () -> Unit) {
     val unexpectedErrorText = stringResource(Res.string.error_unexpected)
 
     Scaffold(
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLowest,
         snackbarHost = { FromChatSnackbarHost(hostState = snackbarHostState) },
         topBar = {
             SettingsDetailTopBar(

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

@@ -7,6 +7,7 @@ import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.MediumTopAppBar
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
@@ -17,7 +18,6 @@ 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
@@ -32,24 +32,14 @@ import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
 import ru.fromchat.back
-import ru.fromchat.ui.LocalNavController
+import ru.fromchat.ui.main.detailPaneShowBackButton
 
 /** 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
- * deeper than a settings detail opened as the right pane.
- */
+/** @see detailPaneShowBackButton */
 @Composable
-fun settingsDetailShowBackButton(): Boolean {
-    if (currentWindowAdaptiveInfo().widthSizeClass == WindowWidthSizeClass.COMPACT) {
-        return true
-    }
-    val previousRoute = LocalNavController.current.previousBackStackEntry?.destination?.route
-    return previousRoute != null && previousRoute != "chat"
-}
+fun settingsDetailShowBackButton(): Boolean = detailPaneShowBackButton()
 
 @Composable
 fun settingsDetailUseCollapsingTopBar(): Boolean =
@@ -91,20 +81,29 @@ fun SettingsDetailTopBar(
             }
         }
     }
+    // Must match settings-detail Scaffold.containerColor and AppPanel
+    // (`surfaceContainerLowest`). Scaffold defaults to `background`, which is a
+    // different token (e.g. light Neutral98 vs Neutral100) — that was the stripe.
+    val paneColor = MaterialTheme.colorScheme.surfaceContainerLowest
     if (settingsDetailUseCollapsingTopBar()) {
         MediumTopAppBar(
             title = title,
             navigationIcon = navigationIcon,
             scrollBehavior = scrollBehavior,
-            // Transparent while expanded; default scrolledContainerColor when collapsed.
+            // Unscrolled: pane. Collapsed: default scrolledContainerColor (elevation).
             colors = TopAppBarDefaults.topAppBarColors(
-                containerColor = Color.Transparent,
+                containerColor = paneColor,
             ),
         )
     } else {
+        // Desktop / expanded: pinned TopAppBar (not Large/Medium).
         TopAppBar(
             title = title,
             navigationIcon = navigationIcon,
+            colors = TopAppBarDefaults.topAppBarColors(
+                containerColor = paneColor,
+                scrolledContainerColor = paneColor,
+            ),
         )
     }
 }

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

@@ -21,6 +21,7 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -88,6 +89,11 @@ fun SettingsTab() {
                 title = {
                     Text(stringResource(Res.string.settings), maxLines = 1, overflow = TextOverflow.Ellipsis)
                 },
+                // Match AppPanel / Chats unscrolled chrome — default `surface` reads as an
+                // elevated (scrolled) stripe over `surfaceContainerLowest`.
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainerLowest,
+                ),
             )
         }
     ) { innerPadding ->

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

@@ -75,6 +75,8 @@ fun AccountScreen(
     }
 
     Scaffold(
+        // Match AppPanel / SettingsDetailTopBar — default `background` is a darker stripe under the bar.
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLowest,
         topBar = {
             SettingsDetailTopBar(
                 title = { Text(stringResource(Res.string.settings_account_title)) },

app/shared/src/jvmMain/kotlin/ru/fromchat/ui/chat/ChatTextSelectionMenu.jvm.kt

@@ -1,5 +1,8 @@
 package ru.fromchat.ui.chat
 
+import androidx.compose.animation.core.Spring
+import androidx.compose.animation.core.animate
+import androidx.compose.animation.core.spring
 import androidx.compose.foundation.ContextMenuArea
 import androidx.compose.foundation.ContextMenuItem
 import androidx.compose.foundation.ContextMenuRepresentation
@@ -16,12 +19,22 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.ContentCopy
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.SideEffect
-import androidx.compose.ui.Alignment
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.IntRect
+import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Popup
+import androidx.compose.ui.window.PopupPositionProvider
 import androidx.compose.ui.window.PopupProperties
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
@@ -80,12 +93,44 @@ private object ChatStyleTextContextMenuRepresentation : ContextMenuRepresentatio
             return
         }
 
+        val anchor = IntOffset(
+            status.rect.left.toInt(),
+            status.rect.bottom.toInt(),
+        )
+        val animationProgress = remember { mutableFloatStateOf(0f) }
+        var enterLaidOut by remember { mutableStateOf(false) }
+
+        LaunchedEffect(enterLaidOut) {
+            if (!enterLaidOut) {
+                animationProgress.floatValue = 0f
+                return@LaunchedEffect
+            }
+            animationProgress.floatValue = 0f
+            animate(
+                initialValue = 0f,
+                targetValue = 1f,
+                animationSpec = spring(
+                    dampingRatio = Spring.DampingRatioNoBouncy,
+                    stiffness = Spring.StiffnessMedium,
+                ),
+            ) { value, _ ->
+                animationProgress.floatValue = value
+            }
+        }
+
+        val positionProvider = remember(anchor) {
+            object : PopupPositionProvider {
+                override fun calculatePosition(
+                    anchorBounds: IntRect,
+                    windowSize: IntSize,
+                    layoutDirection: LayoutDirection,
+                    popupContentSize: IntSize,
+                ): IntOffset = anchor
+            }
+        }
+
         Popup(
-            alignment = Alignment.TopStart,
-            offset = IntOffset(
-                status.rect.left.toInt(),
-                status.rect.bottom.toInt(),
-            ),
+            popupPositionProvider = positionProvider,
             onDismissRequest = {
                 state.status = FoundationContextMenuState.Status.Closed
             },
@@ -96,7 +141,16 @@ private object ChatStyleTextContextMenuRepresentation : ContextMenuRepresentatio
                 clippingEnabled = false,
             ),
         ) {
-            ChatStyleContextMenuFrame {
+            ChatStyleContextMenuFrame(
+                modifier = Modifier.onSizeChanged { size ->
+                    if (size.width > 0 && size.height > 0) enterLaidOut = true
+                },
+                animated = true,
+                scale = 0.8f + 0.2f * animationProgress.floatValue,
+                alpha = animationProgress.floatValue,
+                transformOriginX = 0f,
+                transformOriginY = 0f,
+            ) {
                 Column(
                     modifier = Modifier
                         .padding(horizontal = 8.dp, vertical = 8.dp)

gradle/libs.versions.toml

@@ -48,7 +48,6 @@ markdownRendererM3 = "0.43.0"
 bouncycastle = "1.85"
 webkit = "1.16.0"
 openjfx = "21.0.6"
-
 [libraries]
 androidx-core-splashscreen = { module = "androidx.core:core-splashscreen", version.ref = "coreSplashscreen" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "androidx-core-ktx" }