feat(ui): overhaul settings screen with device info and theme selection

Refactored SettingsScreen to display device information and allow user to choose between System, Light, and Dark themes. Updated AppUiState to remove unused diagnostics visibility flag.

Co-authored-by: Junie <junie@jetbrains.com>

shared/src/commonMain/kotlin/com/vnidrop/app/App.kt

@@ -17,7 +17,6 @@ import com.vnidrop.app.core.PickedShareFile
 import com.vnidrop.app.core.rememberShareFilePicker
 import com.vnidrop.app.core.sharePickedFile
 import com.vnidrop.app.logging.AppLogger
-import com.vnidrop.app.logging.LogFileInfo
 import com.vnidrop.app.platform.PlatformSystemAppearance
 import com.vnidrop.app.ui.navigation.AppDestination
 import com.vnidrop.app.ui.screens.ReceiveScreen
@@ -39,11 +38,10 @@ fun App() {
 	val repository = remember { CoreRepository() }
 	val coreState by repository.state.collectAsState()
 	var appState by remember { mutableStateOf(AppUiState()) }
-	var appDataDir by remember { mutableStateOf(platform.defaultCoreDataDir) }
+	val appDataDir = platform.defaultCoreDataDir
 	var sendState by remember { mutableStateOf(SendUiState()) }
 	var receiveState by remember { mutableStateOf(ReceiveUiState(outputDirectory = platform.defaultReceiveDir)) }
 	var selectedFile by remember { mutableStateOf<PickedShareFile?>(null) }
-	var logFiles by remember { mutableStateOf<List<LogFileInfo>>(emptyList()) }
 	val scope = rememberCoroutineScope()
 	val clipboard = LocalClipboardManager.current
 	val picker = rememberShareFilePicker(
@@ -51,19 +49,18 @@ fun App() {
 			AppLogger.info("file-picker", "file selected", mapOf("name" to file.displayName))
 			selectedFile = file
 			sendState = sendState.withSelectedFile(file)
-			logFiles = AppLogger.listLogFiles()
 		},
 		onError = { error ->
 			AppLogger.warn("file-picker", "file picker error", mapOf("reason" to error))
 			scope.launch { repository.setError(error) }
-			logFiles = AppLogger.listLogFiles()
 		},
 	)
 
 	LaunchedEffect(Unit) {
 		AppLogger.initialize(appDataDir)
 		AppLogger.info("lifecycle", "app started", mapOf("platform" to platform.name))
-		logFiles = AppLogger.listLogFiles()
+		AppLogger.info("core", "automatic initialize requested", mapOf("appDataDir" to appDataDir))
+		repository.initialize(appDataDir)
 	}
 
 	LaunchedEffect(coreState.lastShare?.transferId) {
@@ -74,14 +71,14 @@ fun App() {
 	PlatformSystemAppearance(isDarkTheme)
 	LaunchedEffect(isDarkTheme) {
 		AppLogger.info("appearance", "system appearance synchronized", mapOf("dark" to isDarkTheme.toString()))
-		logFiles = AppLogger.listLogFiles()
 	}
 
 	VniDropTheme(isDarkTheme = isDarkTheme) {
 		BoxWithConstraints {
+			val windowClass = windowClassFor(maxWidth.value)
 			AppShell(
 				selectedDestination = appState.destination,
-				windowClass = windowClassFor(maxWidth.value),
+				windowClass = windowClass,
 				onDestinationSelected = { appState = appState.copy(destination = it) },
 			) {
 				when (appState.destination) {
@@ -92,7 +89,6 @@ fun App() {
 						onSelectFile = {
 							AppLogger.info("file-picker", "open share file picker")
 							picker.pickFile()
-							logFiles = AppLogger.listLogFiles()
 						},
 						onCreateShare = {
 							scope.launch {
@@ -105,13 +101,11 @@ fun App() {
 									sharePickedFile(repository, file, sendState.transferName, sendState.senderName)
 								}
 								sendState = sendState.copy(isSharing = false)
-								logFiles = AppLogger.listLogFiles()
 							}
 						},
 						onCopyTicket = { ticket ->
 							AppLogger.info("send", "ticket copied")
 							clipboard.setText(AnnotatedString(ticket))
-							logFiles = AppLogger.listLogFiles()
 						},
 						onUseLocally = { ticket ->
 							receiveState = receiveState.copy(ticket = ticket)
@@ -139,33 +133,17 @@ fun App() {
 								receiveState = receiveState.copy(isReceiving = true)
 								repository.receive(receiveState.ticket, receiveState.outputDirectory, receiveState.receiverName)
 								receiveState = receiveState.copy(isReceiving = false)
-								logFiles = AppLogger.listLogFiles()
 							}
 						},
 					)
 					AppDestination.Settings -> SettingsScreen(
-						platformName = platform.name,
-						appDataDir = appDataDir,
-						onAppDataDirChange = { appDataDir = it },
+						deviceInfo = platform.deviceInfo,
 						coreState = coreState,
 						themeMode = appState.themeMode,
+						windowClass = windowClass,
 						onThemeModeChange = {
 							AppLogger.info("appearance", "theme mode changed", mapOf("mode" to it.name))
 							appState = appState.copy(themeMode = it)
-							logFiles = AppLogger.listLogFiles()
-						},
-						diagnosticsVisible = appState.diagnosticsVisible,
-						onDiagnosticsVisibleChange = { appState = appState.copy(diagnosticsVisible = it) },
-						logDirectory = AppLogger.logDirectory,
-						logFiles = logFiles,
-						onRefreshLogs = { logFiles = AppLogger.listLogFiles() },
-						onInitialize = {
-							scope.launch {
-								AppLogger.initialize(appDataDir)
-								AppLogger.info("core", "initialize requested", mapOf("appDataDir" to appDataDir))
-								repository.initialize(appDataDir)
-								logFiles = AppLogger.listLogFiles()
-							}
 						},
 					)
 				}

shared/src/commonMain/kotlin/com/vnidrop/app/ui/screens/SettingsScreen.kt

@@ -1,116 +1,614 @@
 package com.vnidrop.app.ui.screens
 
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.selection.selectable
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.widthIn
 import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+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.PathFillType
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.graphics.StrokeCap
+import androidx.compose.ui.graphics.StrokeJoin
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.path
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import com.vnidrop.app.DeviceInfo
 import com.vnidrop.app.core.CoreUiState
-import com.vnidrop.app.logging.LogFileInfo
-import com.vnidrop.app.ui.components.AppCard
-import com.vnidrop.app.ui.components.Field
-import com.vnidrop.app.ui.components.MetadataRow
-import com.vnidrop.app.ui.components.PrimaryButton
-import com.vnidrop.app.ui.components.SecondaryButton
+import com.vnidrop.app.ui.state.WindowClass
+import com.vnidrop.app.ui.theme.LocalVniDropColors
 import com.vnidrop.app.ui.theme.ThemeMode
 import org.jetbrains.compose.resources.stringResource
 import vnidrop.shared.generated.resources.Res
+import vnidrop.shared.generated.resources.about_bug_report
+import vnidrop.shared.generated.resources.about_privacy
+import vnidrop.shared.generated.resources.about_title
+import vnidrop.shared.generated.resources.appearance_auto_description
+import vnidrop.shared.generated.resources.appearance_dark_mode
+import vnidrop.shared.generated.resources.appearance_light_mode
+import vnidrop.shared.generated.resources.appearance_mode_title
+import vnidrop.shared.generated.resources.appearance_system_mode
 import vnidrop.shared.generated.resources.appearance_title
-import vnidrop.shared.generated.resources.button_hide_event_log
-import vnidrop.shared.generated.resources.button_initialize_core
-import vnidrop.shared.generated.resources.button_refresh_logs
-import vnidrop.shared.generated.resources.button_show_event_log
-import vnidrop.shared.generated.resources.diagnostics_hint
-import vnidrop.shared.generated.resources.diagnostics_title
-import vnidrop.shared.generated.resources.field_core_data_directory
-import vnidrop.shared.generated.resources.metadata_log_directory
-import vnidrop.shared.generated.resources.metadata_platform
-import vnidrop.shared.generated.resources.metadata_status
-import vnidrop.shared.generated.resources.no_logs
+import vnidrop.shared.generated.resources.battery_level_title
+import vnidrop.shared.generated.resources.core_status_ready
+import vnidrop.shared.generated.resources.device_model_title
+import vnidrop.shared.generated.resources.device_name_title
+import vnidrop.shared.generated.resources.network_title
 import vnidrop.shared.generated.resources.node_title
 import vnidrop.shared.generated.resources.not_initialized
-import vnidrop.shared.generated.resources.settings_subtitle
+import vnidrop.shared.generated.resources.os_version_title
 import vnidrop.shared.generated.resources.settings_title
+import vnidrop.shared.generated.resources.value_unavailable
+import vnidrop.shared.generated.resources.version_title
+
+private enum class SettingsPane {
+	Overview,
+	Appearance,
+	About,
+}
 
 @Composable
 fun SettingsScreen(
-	platformName: String,
-	appDataDir: String,
-	onAppDataDirChange: (String) -> Unit,
+	deviceInfo: DeviceInfo,
+	coreState: CoreUiState,
+	themeMode: ThemeMode,
+	windowClass: WindowClass,
+	onThemeModeChange: (ThemeMode) -> Unit,
+) {
+	var pane by remember { mutableStateOf(SettingsPane.Overview) }
+
+	when (windowClass) {
+		WindowClass.Desktop -> DesktopSettings(
+			selectedPane = pane,
+			onPaneSelected = { pane = it },
+			deviceInfo = deviceInfo,
+			coreState = coreState,
+			themeMode = themeMode,
+			onThemeModeChange = onThemeModeChange,
+		)
+		else -> MobileSettings(
+			pane = pane,
+			onPaneSelected = { pane = it },
+			deviceInfo = deviceInfo,
+			coreState = coreState,
+			themeMode = themeMode,
+			onThemeModeChange = onThemeModeChange,
+		)
+	}
+}
+
+@Composable
+private fun MobileSettings(
+	pane: SettingsPane,
+	onPaneSelected: (SettingsPane) -> Unit,
+	deviceInfo: DeviceInfo,
 	coreState: CoreUiState,
 	themeMode: ThemeMode,
 	onThemeModeChange: (ThemeMode) -> Unit,
-	diagnosticsVisible: Boolean,
-	onDiagnosticsVisibleChange: (Boolean) -> Unit,
-	logDirectory: String?,
-	logFiles: List<LogFileInfo>,
-	onRefreshLogs: () -> Unit,
-	onInitialize: () -> Unit,
 ) {
-	Column(verticalArrangement = Arrangement.spacedBy(14.dp)) {
-		ScreenHeader(stringResource(Res.string.settings_title), stringResource(Res.string.settings_subtitle))
+	Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
 		ErrorSection(coreState)
-		AppCard(title = stringResource(Res.string.node_title)) {
-			MetadataRow(stringResource(Res.string.metadata_platform), platformName)
-			MetadataRow(stringResource(Res.string.metadata_status), coreState.status)
-			Field(value = appDataDir, onValueChange = onAppDataDirChange, label = stringResource(Res.string.field_core_data_directory))
-			PrimaryButton(stringResource(Res.string.button_initialize_core), onClick = onInitialize)
-		}
-		AppCard(title = stringResource(Res.string.appearance_title)) {
-			ThemeMode.entries.forEach { mode ->
-				ThemeModeRow(
-					mode = mode,
-					selected = themeMode == mode,
-					onSelected = { onThemeModeChange(mode) },
+		when (pane) {
+			SettingsPane.Overview -> SettingsOverview(
+				coreState = coreState,
+				themeMode = themeMode,
+				onOpenAppearance = { onPaneSelected(SettingsPane.Appearance) },
+				onOpenAbout = { onPaneSelected(SettingsPane.About) },
+				largeTitle = true,
 			)
-			}
-		}
-		AppCard(title = stringResource(Res.string.diagnostics_title)) {
-			SecondaryButton(
-				text = if (diagnosticsVisible) stringResource(Res.string.button_hide_event_log) else stringResource(Res.string.button_show_event_log),
-				onClick = { onDiagnosticsVisibleChange(!diagnosticsVisible) },
+			SettingsPane.Appearance -> AppearanceSettings(
+				themeMode = themeMode,
+				onThemeModeChange = onThemeModeChange,
+				onBack = { onPaneSelected(SettingsPane.Overview) },
+				showBack = true,
+			)
+			SettingsPane.About -> AboutSettings(
+				deviceInfo = deviceInfo,
+				coreState = coreState,
+				onBack = { onPaneSelected(SettingsPane.Overview) },
+				showBack = true,
 			)
-			SecondaryButton(text = stringResource(Res.string.button_refresh_logs), onClick = onRefreshLogs)
-			MetadataRow(stringResource(Res.string.metadata_log_directory), logDirectory ?: stringResource(Res.string.not_initialized))
-			if (logFiles.isEmpty()) {
-				EmptyText(stringResource(Res.string.no_logs))
-			} else {
-				logFiles.forEach { file ->
-					MetadataRow(file.name, "${file.sizeBytes} bytes")
-				}
-			}
-			EmptyText(stringResource(Res.string.diagnostics_hint))
-		}
-		if (diagnosticsVisible) {
-			DiagnosticsPanel(events = coreState.events)
 		}
 	}
 }
 
 @Composable
-private fun ThemeModeRow(
-	mode: ThemeMode,
-	selected: Boolean,
-	onSelected: () -> Unit,
+private fun DesktopSettings(
+	selectedPane: SettingsPane,
+	onPaneSelected: (SettingsPane) -> Unit,
+	deviceInfo: DeviceInfo,
+	coreState: CoreUiState,
+	themeMode: ThemeMode,
+	onThemeModeChange: (ThemeMode) -> Unit,
 ) {
+	Row(
+		modifier = Modifier.fillMaxWidth(),
+		horizontalArrangement = Arrangement.spacedBy(24.dp),
+		verticalAlignment = Alignment.Top,
+	) {
+		Column(
+			modifier = Modifier.widthIn(min = 280.dp, max = 340.dp),
+			verticalArrangement = Arrangement.spacedBy(18.dp),
+		) {
+			SettingsOverview(
+				coreState = coreState,
+				themeMode = themeMode,
+				onOpenAppearance = { onPaneSelected(SettingsPane.Appearance) },
+				onOpenAbout = { onPaneSelected(SettingsPane.About) },
+				largeTitle = false,
+				selectedPane = selectedPane,
+			)
+		}
+		Column(
+			modifier = Modifier.weight(1f),
+			verticalArrangement = Arrangement.spacedBy(18.dp),
+		) {
+			when (selectedPane) {
+				SettingsPane.Overview,
+				SettingsPane.Appearance -> AppearanceSettings(
+					themeMode = themeMode,
+					onThemeModeChange = onThemeModeChange,
+					onBack = {},
+					showBack = false,
+				)
+				SettingsPane.About -> AboutSettings(
+					deviceInfo = deviceInfo,
+					coreState = coreState,
+					onBack = {},
+					showBack = false,
+				)
+			}
+		}
+	}
+}
+
+@Composable
+private fun SettingsOverview(
+	coreState: CoreUiState,
+	themeMode: ThemeMode,
+	onOpenAppearance: () -> Unit,
+	onOpenAbout: () -> Unit,
+	largeTitle: Boolean,
+	selectedPane: SettingsPane = SettingsPane.Overview,
+) {
+	Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
+		if (largeTitle) {
+			SettingsLargeTitle(stringResource(Res.string.settings_title))
+		} else {
+			Text(stringResource(Res.string.settings_title), style = MaterialTheme.typography.headlineMedium, fontWeight = FontWeight.Bold)
+		}
+		SettingsGroup {
+			SettingsRow(
+				icon = SettingsIcons.Sun,
+				title = stringResource(Res.string.appearance_title),
+				value = themeMode.displayName(),
+				selected = selectedPane == SettingsPane.Appearance,
+				onClick = onOpenAppearance,
+			)
+		}
+		SettingsGroup {
+			SettingsRow(
+				icon = SettingsIcons.Node,
+				title = stringResource(Res.string.node_title),
+				value = if (coreState.isInitialized) stringResource(Res.string.core_status_ready) else stringResource(Res.string.not_initialized),
+				iconTone = IconTone.Neutral,
+			)
+			SettingsRow(
+				icon = SettingsIcons.Info,
+				title = stringResource(Res.string.about_title),
+				selected = selectedPane == SettingsPane.About,
+				onClick = onOpenAbout,
+			)
+		}
+	}
+}
+
+@Composable
+private fun AppearanceSettings(
+	themeMode: ThemeMode,
+	onThemeModeChange: (ThemeMode) -> Unit,
+	onBack: () -> Unit,
+	showBack: Boolean,
+) {
+	Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
+		SettingsTopBar(title = stringResource(Res.string.appearance_title), onBack = onBack, showBack = showBack)
+		Text(
+			text = stringResource(Res.string.appearance_mode_title),
+			style = MaterialTheme.typography.titleLarge,
+			fontWeight = FontWeight.SemiBold,
+		)
+		ThemeChoice(
+			icon = SettingsIcons.Device,
+			title = stringResource(Res.string.appearance_system_mode),
+			description = stringResource(Res.string.appearance_auto_description),
+			selected = themeMode == ThemeMode.System,
+			onClick = { onThemeModeChange(ThemeMode.System) },
+		)
+		ThemeChoice(
+			icon = SettingsIcons.Moon,
+			title = stringResource(Res.string.appearance_dark_mode),
+			selected = themeMode == ThemeMode.Dark,
+			onClick = { onThemeModeChange(ThemeMode.Dark) },
+		)
+		ThemeChoice(
+			icon = SettingsIcons.Sun,
+			title = stringResource(Res.string.appearance_light_mode),
+			selected = themeMode == ThemeMode.Light,
+			onClick = { onThemeModeChange(ThemeMode.Light) },
+		)
+	}
+}
+
+@Composable
+private fun AboutSettings(
+	deviceInfo: DeviceInfo,
+	coreState: CoreUiState,
+	onBack: () -> Unit,
+	showBack: Boolean,
+) {
+	val unavailable = stringResource(Res.string.value_unavailable)
+
+	Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
+		SettingsTopBar(title = stringResource(Res.string.about_title), onBack = onBack, showBack = showBack)
+		SettingsGroup {
+			SettingsRow(icon = SettingsIcons.Document, title = stringResource(Res.string.about_privacy), iconTone = IconTone.Neutral)
+			SettingsRow(icon = SettingsIcons.Bug, title = stringResource(Res.string.about_bug_report), iconTone = IconTone.Neutral)
+		}
+		PlainInfoSection {
+			PlainInfoItem(stringResource(Res.string.version_title), "0.1.0")
+			PlainInfoItem(stringResource(Res.string.device_name_title), deviceInfo.deviceName.orUnavailable(unavailable))
+			PlainInfoItem(stringResource(Res.string.device_model_title), deviceInfo.deviceModel.orUnavailable(unavailable))
+			PlainInfoItem(stringResource(Res.string.os_version_title), deviceInfo.operatingSystem)
+			PlainInfoItem(stringResource(Res.string.network_title), deviceInfo.network.orUnavailable(unavailable))
+			PlainInfoItem(stringResource(Res.string.battery_level_title), deviceInfo.batteryLevel.orUnavailable(unavailable))
+			PlainInfoItem(
+				title = stringResource(Res.string.node_title),
+				value = if (coreState.isInitialized) {
+					stringResource(Res.string.core_status_ready)
+				} else {
+					stringResource(Res.string.not_initialized)
+				},
+			)
+		}
+	}
+}
+
+@Composable
+private fun SettingsLargeTitle(title: String) {
+	Text(
+		text = title,
+		style = MaterialTheme.typography.headlineLarge,
+		fontWeight = FontWeight.Bold,
+	)
+}
+
+@Composable
+private fun SettingsTopBar(title: String, onBack: () -> Unit, showBack: Boolean) {
+	Row(
+		modifier = Modifier.fillMaxWidth(),
+		verticalAlignment = Alignment.CenterVertically,
+		horizontalArrangement = Arrangement.spacedBy(12.dp),
+	) {
+		if (showBack) {
+			Icon(
+				imageVector = SettingsIcons.Back,
+				contentDescription = null,
+				tint = LocalVniDropColors.current.foregroundDefault,
+				modifier = Modifier
+					.size(30.dp)
+					.clickable(onClick = onBack)
+					.padding(3.dp),
+			)
+		}
+		Text(title, style = MaterialTheme.typography.headlineSmall, fontWeight = FontWeight.Bold)
+	}
+}
+
+@Composable
+private fun SettingsGroup(content: @Composable ColumnScope.() -> Unit) {
+	val colors = LocalVniDropColors.current
+	Card(
+		modifier = Modifier.fillMaxWidth(),
+		shape = RoundedCornerShape(18.dp),
+		colors = CardDefaults.cardColors(containerColor = colors.backgroundSurface200),
+	) {
+		Column(modifier = Modifier.padding(vertical = 4.dp), content = content)
+	}
+}
+
+@Composable
+private fun PlainInfoSection(content: @Composable ColumnScope.() -> Unit) {
+	Column(
+		modifier = Modifier
+			.fillMaxWidth()
+			.padding(horizontal = 4.dp, vertical = 8.dp),
+		verticalArrangement = Arrangement.spacedBy(18.dp),
+		content = content,
+	)
+}
+
+@Composable
+private fun PlainInfoItem(title: String, value: String) {
+	val colors = LocalVniDropColors.current
+	Column(
+		modifier = Modifier.fillMaxWidth(),
+		verticalArrangement = Arrangement.spacedBy(4.dp),
+	) {
+		Text(
+			text = title,
+			color = colors.foregroundLighter,
+			style = MaterialTheme.typography.labelLarge,
+			fontWeight = FontWeight.Medium,
+		)
+		Text(
+			text = value,
+			color = colors.foregroundDefault,
+			style = MaterialTheme.typography.bodyLarge,
+		)
+	}
+}
+
+private fun String?.orUnavailable(fallback: String): String =
+	this?.takeIf { it.isNotBlank() } ?: fallback
+
+@Composable
+private fun SettingsRow(
+	icon: ImageVector,
+	title: String,
+	value: String? = null,
+	selected: Boolean = false,
+	iconTone: IconTone = IconTone.Brand,
+	onClick: (() -> Unit)? = null,
+) {
+	val colors = LocalVniDropColors.current
+	val iconColor = when (iconTone) {
+		IconTone.Brand -> colors.brandLink
+		IconTone.Neutral -> colors.foregroundLighter
+	}
 	Row(
 		modifier = Modifier
 			.fillMaxWidth()
-			.clip(RoundedCornerShape(8.dp))
-			.selectable(selected = selected, onClick = onSelected)
-			.padding(vertical = 8.dp),
+			.height(60.dp)
+			.background(if (selected) colors.backgroundSurface300 else Color.Transparent)
+			.then(if (onClick != null) Modifier.clickable(onClick = onClick) else Modifier)
+			.padding(horizontal = 16.dp),
 		verticalAlignment = Alignment.CenterVertically,
 	) {
-		RadioButton(selected = selected, onClick = onSelected)
-		Text(mode.name)
+		Icon(icon, contentDescription = null, tint = iconColor, modifier = Modifier.size(22.dp))
+		Spacer(Modifier.width(14.dp))
+		Text(
+			text = title,
+			modifier = Modifier.weight(1f),
+			style = MaterialTheme.typography.bodyLarge,
+			fontWeight = if (selected) FontWeight.SemiBold else FontWeight.Normal,
+			maxLines = 1,
+			overflow = TextOverflow.Ellipsis,
+		)
+		value?.let {
+			Text(
+				text = it,
+				color = colors.foregroundLighter,
+				style = MaterialTheme.typography.bodySmall,
+				maxLines = 1,
+				overflow = TextOverflow.Ellipsis,
+			)
+			Spacer(Modifier.width(10.dp))
+		}
+		if (onClick != null) {
+			Icon(SettingsIcons.ChevronRight, contentDescription = null, tint = colors.foregroundLighter, modifier = Modifier.size(20.dp))
+		}
 	}
 }
+
+@Composable
+private fun ThemeChoice(
+	icon: ImageVector,
+	title: String,
+	selected: Boolean,
+	onClick: () -> Unit,
+	description: String? = null,
+) {
+	val colors = LocalVniDropColors.current
+	val shape = RoundedCornerShape(18.dp)
+	Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+		Row(
+			modifier = Modifier
+				.fillMaxWidth()
+				.height(62.dp)
+				.background(colors.backgroundSurface200, shape)
+				.border(
+					border = if (selected) BorderStroke(1.5.dp, colors.brandLink) else BorderStroke(1.dp, Color.Transparent),
+					shape = shape,
+				)
+				.clickable(onClick = onClick)
+				.padding(horizontal = 16.dp),
+			verticalAlignment = Alignment.CenterVertically,
+		) {
+			Icon(icon, contentDescription = null, tint = colors.foregroundLight, modifier = Modifier.size(22.dp))
+			Spacer(Modifier.width(14.dp))
+			Text(
+				text = title,
+				modifier = Modifier.weight(1f),
+				style = MaterialTheme.typography.bodyLarge,
+				fontWeight = FontWeight.Medium,
+			)
+			if (selected) {
+				Icon(SettingsIcons.Check, contentDescription = null, tint = colors.brandLink, modifier = Modifier.size(24.dp))
+			}
+		}
+		description?.let {
+			Text(
+				text = it,
+				color = colors.foregroundLighter,
+				style = MaterialTheme.typography.bodySmall,
+			)
+		}
+	}
+}
+
+@Composable
+private fun ThemeMode.displayName(): String =
+	when (this) {
+		ThemeMode.System -> stringResource(Res.string.appearance_system_mode)
+		ThemeMode.Light -> stringResource(Res.string.appearance_light_mode)
+		ThemeMode.Dark -> stringResource(Res.string.appearance_dark_mode)
+	}
+
+private enum class IconTone {
+	Brand,
+	Neutral,
+}
+
+private object SettingsIcons {
+	val ChevronRight = lineIcon("ChevronRight") {
+		moveTo(9f, 18f)
+		lineTo(15f, 12f)
+		lineTo(9f, 6f)
+	}
+	val Back = lineIcon("Back") {
+		moveTo(19f, 12f)
+		lineTo(5f, 12f)
+		moveTo(12f, 19f)
+		lineTo(5f, 12f)
+		lineTo(12f, 5f)
+	}
+	val Check = lineIcon("Check") {
+		moveTo(20f, 6f)
+		lineTo(9f, 17f)
+		lineTo(4f, 12f)
+	}
+	val Sun = lineIcon("Sun") {
+		moveTo(12f, 4f)
+		lineTo(12f, 2f)
+		moveTo(12f, 22f)
+		lineTo(12f, 20f)
+		moveTo(4.93f, 4.93f)
+		lineTo(6.34f, 6.34f)
+		moveTo(17.66f, 17.66f)
+		lineTo(19.07f, 19.07f)
+		moveTo(2f, 12f)
+		lineTo(4f, 12f)
+		moveTo(20f, 12f)
+		lineTo(22f, 12f)
+		moveTo(4.93f, 19.07f)
+		lineTo(6.34f, 17.66f)
+		moveTo(17.66f, 6.34f)
+		lineTo(19.07f, 4.93f)
+		moveTo(16f, 12f)
+		arcTo(4f, 4f, 0f, true, true, 8f, 12f)
+		arcTo(4f, 4f, 0f, true, true, 16f, 12f)
+	}
+	val Moon = lineIcon("Moon") {
+		moveTo(21f, 12.79f)
+		arcTo(9f, 9f, 0f, true, true, 11.21f, 3f)
+		arcTo(7f, 7f, 0f, false, false, 21f, 12.79f)
+	}
+	val Device = lineIcon("Device") {
+		roundRect(7f, 2f, 10f, 20f, 2.5f)
+		moveTo(11f, 18f)
+		lineTo(13f, 18f)
+	}
+	val Info = lineIcon("Info") {
+		moveTo(12f, 16f)
+		lineTo(12f, 12f)
+		moveTo(12f, 8f)
+		lineTo(12.01f, 8f)
+		moveTo(21f, 12f)
+		arcTo(9f, 9f, 0f, true, true, 3f, 12f)
+		arcTo(9f, 9f, 0f, true, true, 21f, 12f)
+	}
+	val Bug = lineIcon("Bug") {
+		moveTo(8f, 2f)
+		lineTo(9.88f, 3.88f)
+		moveTo(16f, 2f)
+		lineTo(14.12f, 3.88f)
+		roundRect(7f, 6f, 10f, 14f, 5f)
+		moveTo(3f, 10f)
+		lineTo(7f, 10f)
+		moveTo(17f, 10f)
+		lineTo(21f, 10f)
+		moveTo(3f, 16f)
+		lineTo(7f, 16f)
+		moveTo(17f, 16f)
+		lineTo(21f, 16f)
+		moveTo(12f, 6f)
+		lineTo(12f, 20f)
+	}
+	val Document = lineIcon("Document") {
+		moveTo(14f, 2f)
+		lineTo(6f, 2f)
+		arcTo(2f, 2f, 0f, false, false, 4f, 4f)
+		lineTo(4f, 20f)
+		arcTo(2f, 2f, 0f, false, false, 6f, 22f)
+		lineTo(18f, 22f)
+		arcTo(2f, 2f, 0f, false, false, 20f, 20f)
+		lineTo(20f, 8f)
+		lineTo(14f, 2f)
+		moveTo(14f, 2f)
+		lineTo(14f, 8f)
+		lineTo(20f, 8f)
+		moveTo(8f, 13f)
+		lineTo(16f, 13f)
+		moveTo(8f, 17f)
+		lineTo(16f, 17f)
+	}
+	val Node = lineIcon("Node") {
+		roundRect(4f, 4f, 16f, 16f, 3f)
+		moveTo(9f, 9f)
+		lineTo(15f, 9f)
+		moveTo(9f, 13f)
+		lineTo(15f, 13f)
+		moveTo(9f, 17f)
+		lineTo(12f, 17f)
+	}
+}
+
+private fun lineIcon(name: String, block: androidx.compose.ui.graphics.vector.PathBuilder.() -> Unit): ImageVector =
+	ImageVector.Builder(name, 24.dp, 24.dp, 24f, 24f).apply {
+		path(
+			fill = SolidColor(Color.Transparent),
+			stroke = SolidColor(Color.Black),
+			strokeLineWidth = 2f,
+			strokeLineCap = StrokeCap.Round,
+			strokeLineJoin = StrokeJoin.Round,
+			pathFillType = PathFillType.NonZero,
+			pathBuilder = block,
+		)
+	}.build()
+
+private fun androidx.compose.ui.graphics.vector.PathBuilder.roundRect(x: Float, y: Float, width: Float, height: Float, radius: Float) {
+	moveTo(x + radius, y)
+	lineTo(x + width - radius, y)
+	arcTo(radius, radius, 0f, false, true, x + width, y + radius)
+	lineTo(x + width, y + height - radius)
+	arcTo(radius, radius, 0f, false, true, x + width - radius, y + height)
+	lineTo(x + radius, y + height)
+	arcTo(radius, radius, 0f, false, true, x, y + height - radius)
+	lineTo(x, y + radius)
+	arcTo(radius, radius, 0f, false, true, x + radius, y)
+}

shared/src/commonMain/kotlin/com/vnidrop/app/ui/state/AppUiModels.kt

@@ -25,7 +25,6 @@ fun useBottomNavigation(windowClass: WindowClass): Boolean =
 data class AppUiState(
 	val destination: AppDestination = AppDestination.Send,
 	val themeMode: ThemeMode = ThemeMode.System,
-	val diagnosticsVisible: Boolean = false,
 )
 
 data class SendUiState(