feat: Update app layout with MainAppHeader and enhance user settings interface

android/app/src/main/kotlin/com/example/reader_app/tts/ReaderTtsMediaService.kt

@@ -16,6 +16,7 @@ import android.os.Handler
 import android.os.IBinder
 import android.os.Looper
 import android.os.Parcelable
+import android.os.PowerManager
 import android.speech.tts.TextToSpeech
 import android.speech.tts.UtteranceProgressListener
 import android.util.Log
@@ -28,6 +29,7 @@ import android.support.v4.media.session.MediaSessionCompat
 import android.support.v4.media.session.PlaybackStateCompat
 import com.example.reader_app.R
 import kotlinx.parcelize.Parcelize
+import kotlin.math.min
 import java.util.Locale
 
 @Parcelize
@@ -46,6 +48,8 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		private const val BASE_SPEED = 0.9
 		private const val TAG = "ReaderTtsMediaService"
 		private const val HEALTH_CHECK_INTERVAL_MS = 1500L
+		private const val START_GRACE_PERIOD_MS = 5_000L
+		private const val MAX_SEGMENT_RETRIES_BEFORE_SKIP = 4
 
 		const val ACTION_INIT = "com.example.reader_app.tts.INIT"
 		const val ACTION_START_READING = "com.example.reader_app.tts.START_READING"
@@ -67,6 +71,8 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		const val EXTRA_VOICE_NAME = "voiceName"
 		const val EXTRA_BACKGROUND_MODE_ENABLED = "backgroundModeEnabled"
 		const val EXTRA_CLEAR_CONTENT_KEY = "clearContentKey"
+		const val EXTRA_STOP_REASON = "stopReason"
+		private const val STOP_REASON_USER = "user"
 
 		fun initialize(context: Context, backgroundModeEnabled: Boolean) {
 			context.startService(
@@ -118,6 +124,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 			context.startService(Intent(context, ReaderTtsMediaService::class.java).apply {
 				action = ACTION_STOP
 				putExtra(EXTRA_CLEAR_CONTENT_KEY, clearContentKey)
+				putExtra(EXTRA_STOP_REASON, STOP_REASON_USER)
 			})
 
 		fun skipForward(context: Context) =
@@ -154,7 +161,9 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	private lateinit var notificationManager: NotificationManagerCompat
 	private lateinit var mediaSession: MediaSessionCompat
 	private lateinit var audioManager: AudioManager
+	private lateinit var powerManager: PowerManager
 	private var audioFocusRequest: AudioFocusRequest? = null
+	private var wakeLock: PowerManager.WakeLock? = null
 	private var tts: TextToSpeech? = null
 	private var isTtsReady = false
 	private var isForegroundActive = false
@@ -174,6 +183,13 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	private var currentUtteranceId: String? = null
 	private var currentUtteranceStarted = false
 	private var pendingReplayAfterInit = false
+	private var isRebuildingEngine = false
+	private var engineRebuildAttempt = 0
+	private var audioFocusRetryAttempt = 0
+	private var consecutivePlaybackRecoveryFailures = 0
+	private var pendingEngineRebuild: Runnable? = null
+	private var pendingAudioFocusRetry: Runnable? = null
+	private var pendingIdleStop: Runnable? = null
 	private var currentSegmentRetry = 0
 	private var consecutiveSilentHealthChecks = 0
 	private var utteranceWatchdog: Runnable? = null
@@ -210,6 +226,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		super.onCreate()
 		notificationManager = NotificationManagerCompat.from(this)
 		audioManager = getSystemService(Context.AUDIO_SERVICE) as AudioManager
+		powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
 		createNotificationChannel()
 		setupMediaSession()
 		setupTextToSpeech()
@@ -220,6 +237,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	override fun onBind(intent: Intent?): IBinder? = null
 
 	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+		Log.i(TAG, "onStartCommand action=${intent?.action} status=$status index=$currentIndex")
 		when (intent?.action) {
 			ACTION_INIT -> {
 				backgroundModeEnabled = intent.getBooleanExtra(
@@ -233,6 +251,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 			ACTION_RESUME -> handleResume()
 			ACTION_STOP -> handleStop(
 				clearContentKey = intent.getBooleanExtra(EXTRA_CLEAR_CONTENT_KEY, true),
+				reason = intent.getStringExtra(EXTRA_STOP_REASON) ?: "unknown",
 			)
 			ACTION_SKIP_FORWARD -> handleSkip(1)
 			ACTION_SKIP_BACK -> handleSkip(-1)
@@ -300,7 +319,14 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 						if (!isActiveUtterance(utteranceId)) return@post
 						if (utteranceId != currentUtteranceId) return@post
 						clearUtteranceRuntimeState()
-						handlePlaybackFailure()
+						// ERROR_SERVICE (-6) means the TTS engine process disconnected.
+						// Rebuild the engine immediately rather than retrying on a dead instance.
+						if (errorCode == TextToSpeech.ERROR_SERVICE ||
+							errorCode == TextToSpeech.ERROR_NOT_INSTALLED_YET) {
+							rebuildTtsEngineForRecovery("utterance_error_$errorCode")
+						} else {
+							recoverFromSilentPlayback("utterance_error_$errorCode")
+						}
 					}
 				}
 			},
@@ -308,17 +334,27 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	}
 
 	override fun onInit(initStatus: Int) {
+		isRebuildingEngine = false
 		isTtsReady = initStatus == TextToSpeech.SUCCESS
 		if (isTtsReady) {
+			engineRebuildAttempt = 0
+			consecutivePlaybackRecoveryFailures = 0
+			currentSegmentRetry = 0  // reset retry counter after successful engine reconnect
 			refreshAvailableVoices()
 			applyVoiceAndSpeedSettings()
 			if ((pendingReplayAfterInit || status == "playing") && segments.isNotEmpty()) {
 				pendingReplayAfterInit = false
 				speakCurrentSegment(forceRestart = true)
 			}
+		} else {
+			if (status == "playing" || pendingReplayAfterInit || segments.isNotEmpty()) {
+				status = "paused"
+				scheduleEngineRebuild("onInit_failed_$initStatus")
 			} else {
 				status = "idle"
 			}
+		}
+		syncPowerState()
 		syncNotificationState()
 		publishSnapshot()
 	}
@@ -348,6 +384,14 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 
 	private fun applyVoiceAndSpeedSettings() {
 		val ttsInstance = tts ?: return
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+			ttsInstance.setAudioAttributes(
+				AudioAttributes.Builder()
+					.setUsage(AudioAttributes.USAGE_MEDIA)
+					.setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
+					.build(),
+			)
+		}
 		ttsInstance.setSpeechRate(speed.toFloat())
 		val locale = language.toLocale()
 		ttsInstance.setLanguage(locale)
@@ -360,6 +404,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	}
 
 	private fun handleStartReading(intent: Intent) {
+		cancelIdleStop()
 		backgroundModeEnabled = intent.getBooleanExtra(
 			EXTRA_BACKGROUND_MODE_ENABLED,
 			backgroundModeEnabled,
@@ -378,6 +423,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		pausedByAudioFocus = false
 		pendingReplayAfterInit = false
 		tts?.stop()
+		syncPowerState()
 		publishSnapshot()
 
 		if (!isTtsReady) return
@@ -391,23 +437,29 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		status = "paused"
 		pendingReplayAfterInit = false
 		tts?.stop()
+		syncPowerState()
 		syncNotificationState()
 		publishSnapshot()
 	}
 
 	private fun handleResume() {
 		if (segments.isEmpty()) return
+		cancelIdleStop()
 		status = "playing"
 		sessionGeneration += 1
 		clearUtteranceRuntimeState()
 		pendingReplayAfterInit = false
+		syncPowerState()
 		publishSnapshot()
 		if (!isTtsReady) return
 		speakCurrentSegment(forceRestart = true)
 	}
 
-	private fun handleStop(clearContentKey: Boolean) {
+	private fun handleStop(clearContentKey: Boolean, reason: String) {
+		Log.i(TAG, "handleStop reason=$reason clearContentKey=$clearContentKey")
 		sessionGeneration += 1
+		clearScheduledRecoveries()
+		cancelIdleStop()
 		clearUtteranceRuntimeState()
 		status = "idle"
 		currentIndex = 0
@@ -418,6 +470,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		}
 		tts?.stop()
 		abandonAudioFocus()
+		syncPowerState()
 		syncNotificationState()
 		publishSnapshot()
 		stopSelf()
@@ -433,6 +486,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		status = "playing"
 		pendingReplayAfterInit = false
 		tts?.stop()
+		syncPowerState()
 		publishSnapshot()
 		if (!isTtsReady) return
 		speakCurrentSegment(forceRestart = true)
@@ -447,11 +501,13 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 			status = "idle"
 			currentIndex = 0
 			completedCount += 1
+			Log.i(TAG, "chapter_completed contentKey=$contentKey completedCount=$completedCount")
 			clearUtteranceRuntimeState()
 			abandonAudioFocus()
+			syncPowerState()
 			syncNotificationState()
 			publishSnapshot()
-			stopSelf()
+			scheduleIdleStop()
 			return
 		}
 
@@ -460,21 +516,35 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	}
 
 	private fun handlePlaybackFailure() {
-		status = "idle"
+		consecutivePlaybackRecoveryFailures += 1
-		clearUtteranceRuntimeState()
+		Log.e(
-		pendingReplayAfterInit = false
+			TAG,
-		abandonAudioFocus()
+			"Playback failure at index=$currentIndex contentKey=$contentKey, recoveryAttempt=$consecutivePlaybackRecoveryFailures",
+		)
+		status = "paused"
+		pendingReplayAfterInit = true
+		if (consecutivePlaybackRecoveryFailures > 12) {
+			// Keep trying indefinitely but avoid a tight error loop.
+			consecutivePlaybackRecoveryFailures = 6
+		}
+		syncPowerState()
 		syncNotificationState()
 		publishSnapshot()
-		stopSelf()
+		scheduleEngineRebuild("playback_failure")
 	}
 
 	private fun speakCurrentSegment(forceRestart: Boolean) {
 		if (segments.isEmpty() || !isTtsReady) return
 		if (!requestAudioFocus()) {
-			handlePlaybackFailure()
+			pausedByAudioFocus = true
+			status = "paused"
+			syncPowerState()
+			syncNotificationState()
+			publishSnapshot()
+			scheduleAudioFocusRetry()
 			return
 		}
+		clearAudioFocusRetry()
 
 		val segment = segments.getOrNull(currentIndex) ?: run {
 			handlePlaybackFailure()
@@ -487,6 +557,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		if (!forceRestart) {
 			currentSegmentRetry = 0
 		}
+		syncPowerState()
 		syncNotificationState()
 		publishSnapshot()
 
@@ -496,15 +567,25 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		currentUtteranceStarted = false
 		lastSpeakRequestTimeMs = System.currentTimeMillis()
 		scheduleUtteranceWatchdog(utteranceId)
-		val speakResult = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+		val speakResult = try {
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 				tts?.speak(segment.text, TextToSpeech.QUEUE_FLUSH, Bundle(), utteranceId)
 			} else {
 				@Suppress("DEPRECATION")
 				tts?.speak(segment.text, TextToSpeech.QUEUE_FLUSH, null)
 			}
+		} catch (e: Exception) {
+			Log.e(TAG, "speak() failed for index=$currentIndex", e)
+			null
+		}
 
-		if (speakResult == TextToSpeech.ERROR) {
+		if (speakResult == null || speakResult == TextToSpeech.ERROR) {
-			recoverFromSilentPlayback("speak_error")
+			// speak() returning ERROR/null almost always means the TTS engine process died
+			// (visible in logcat as "Disconnected from TTS engine").
+			// Rebuild immediately instead of burning 3 retries on a dead engine.
+			if (!isRebuildingEngine) {
+				rebuildTtsEngineForRecovery("speak_error_or_null")
+			}
 		}
 	}
 
@@ -552,13 +633,13 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		}
 
 		clearUtteranceRuntimeState()
-		if (currentSegmentRetry >= 2) {
+		if (currentSegmentRetry >= MAX_SEGMENT_RETRIES_BEFORE_SKIP) {
-			handlePlaybackFailure()
+			skipCurrentSegmentAfterFailure(reason)
 			return
 		}
 
 		currentSegmentRetry += 1
-		if (currentSegmentRetry >= 2) {
+		if (currentSegmentRetry >= 3) {
 			rebuildTtsEngineForRecovery(reason)
 			return
 		}
@@ -568,14 +649,48 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 	}
 
 	private fun rebuildTtsEngineForRecovery(reason: String) {
+		if (isRebuildingEngine) {
+			Log.w(TAG, "Rebuild already in progress, skipping: $reason")
+			return
+		}
 		Log.w(TAG, "Rebuilding TextToSpeech engine for recovery: $reason")
+		isRebuildingEngine = true
 		pendingReplayAfterInit = true
 		isTtsReady = false
+		clearScheduledRecoveries()
+		// Increment session so callbacks from the dying engine are ignored
+		sessionGeneration += 1
+		clearUtteranceRuntimeState()
 		tts?.stop()
 		tts?.shutdown()
+		tts = null
 		setupTextToSpeech()
 	}
 
+	private fun skipCurrentSegmentAfterFailure(reason: String) {
+		Log.e(
+			TAG,
+			"Skipping problematic segment after repeated recovery failures: reason=$reason index=$currentIndex total=${segments.size}",
+		)
+		clearUtteranceRuntimeState()
+		pendingReplayAfterInit = false
+
+		val nextIndex = currentIndex + 1
+		if (nextIndex >= segments.size) {
+			handlePlaybackFailure()
+			return
+		}
+
+		currentIndex = nextIndex
+		currentSegmentRetry = 0
+		publishSnapshot()
+		if (!isTtsReady) {
+			rebuildTtsEngineForRecovery("skip_after_failure")
+			return
+		}
+		speakCurrentSegment(forceRestart = false)
+	}
+
 	private fun runPlaybackHealthCheck() {
 		if (status != "playing") return
 		if (segments.isEmpty()) return
@@ -587,7 +702,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		}
 
 		if (!isTtsReady) {
-			if (!pendingReplayAfterInit) {
+			if (!pendingReplayAfterInit && !isRebuildingEngine) {
 				rebuildTtsEngineForRecovery("tts_not_ready")
 			}
 			return
@@ -602,9 +717,10 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		if (!currentUtteranceStarted) {
 			if (!isSpeaking) {
 				// Allow a grace period after speak() is called before flagging as silent.
-				// onStart typically fires within ~100 ms; 4 s covers slow TTS initialisation.
+				// Some engines on mid/low-end devices need noticeably longer before
+				// firing onStart after many segments or after screen-off transitions.
 				val elapsedSinceSpeak = System.currentTimeMillis() - lastSpeakRequestTimeMs
-				if (elapsedSinceSpeak > 4_000L) {
+				if (elapsedSinceSpeak > START_GRACE_PERIOD_MS) {
 					recoverFromSilentPlayback("no_onStart_and_not_speaking")
 				}
 			}
@@ -637,11 +753,12 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 							.setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
 							.build(),
 					)
-					.setAcceptsDelayedFocusGain(false)
+					.setAcceptsDelayedFocusGain(true)
 					.setOnAudioFocusChangeListener(audioFocusListener)
 					.build()
 					.also { audioFocusRequest = it }
-			audioManager.requestAudioFocus(request) == AudioManager.AUDIOFOCUS_REQUEST_GRANTED
+			val result = audioManager.requestAudioFocus(request)
+			result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED
 		} else {
 			@Suppress("DEPRECATION")
 			audioManager.requestAudioFocus(
@@ -652,6 +769,61 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		}
 	}
 
+	private fun scheduleEngineRebuild(reason: String) {
+		if (isRebuildingEngine) return
+		pendingEngineRebuild?.let(mainHandler::removeCallbacks)
+		engineRebuildAttempt += 1
+		val delayMs = min(30_000L, 1_000L * engineRebuildAttempt * engineRebuildAttempt)
+		pendingEngineRebuild = Runnable {
+			if (status == "idle") return@Runnable
+			if (segments.isEmpty()) return@Runnable
+			rebuildTtsEngineForRecovery(reason)
+		}.also { mainHandler.postDelayed(it, delayMs) }
+	}
+
+	private fun scheduleAudioFocusRetry() {
+		pendingAudioFocusRetry?.let(mainHandler::removeCallbacks)
+		audioFocusRetryAttempt += 1
+		val delayMs = min(6_000L, 1_000L + (audioFocusRetryAttempt * 500L))
+		pendingAudioFocusRetry = Runnable {
+			if (status == "idle") return@Runnable
+			if (!pausedByAudioFocus) return@Runnable
+			if (requestAudioFocus()) {
+				pausedByAudioFocus = false
+				audioFocusRetryAttempt = 0
+				handleResume()
+				return@Runnable
+			}
+			scheduleAudioFocusRetry()
+		}.also { mainHandler.postDelayed(it, delayMs) }
+	}
+
+	private fun clearAudioFocusRetry() {
+		pendingAudioFocusRetry?.let(mainHandler::removeCallbacks)
+		pendingAudioFocusRetry = null
+		audioFocusRetryAttempt = 0
+	}
+
+	private fun clearScheduledRecoveries() {
+		pendingEngineRebuild?.let(mainHandler::removeCallbacks)
+		pendingEngineRebuild = null
+		clearAudioFocusRetry()
+	}
+
+	private fun scheduleIdleStop() {
+		pendingIdleStop?.let(mainHandler::removeCallbacks)
+		pendingIdleStop = Runnable {
+			if (status != "idle") return@Runnable
+			Log.i(TAG, "idle_timeout_stop")
+			stopSelf()
+		}.also { mainHandler.postDelayed(it, 30_000L) }
+	}
+
+	private fun cancelIdleStop() {
+		pendingIdleStop?.let(mainHandler::removeCallbacks)
+		pendingIdleStop = null
+	}
+
 	private fun abandonAudioFocus() {
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 			audioFocusRequest?.let(audioManager::abandonAudioFocusRequest)
@@ -661,6 +833,28 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		}
 	}
 
+	private fun syncPowerState() {
+		val shouldHoldWakeLock = backgroundModeEnabled && status == "playing"
+		if (shouldHoldWakeLock) {
+			if (wakeLock?.isHeld == true) return
+			wakeLock = powerManager.newWakeLock(
+				PowerManager.PARTIAL_WAKE_LOCK,
+				"reader_app:ReaderTtsPlayback"
+			).apply {
+				setReferenceCounted(false)
+				acquire()
+			}
+			return
+		}
+
+		wakeLock?.let {
+			if (it.isHeld) {
+				it.release()
+			}
+		}
+		wakeLock = null
+	}
+
 	private fun isActiveUtterance(utteranceId: String): Boolean {
 		val generation = utteranceId.substringBefore(':').toIntOrNull() ?: return false
 		return generation == sessionGeneration
@@ -702,6 +896,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 				this.action = action
 				if (action == ACTION_STOP) {
 					putExtra(EXTRA_CLEAR_CONTENT_KEY, true)
+					putExtra(EXTRA_STOP_REASON, STOP_REASON_USER)
 				}
 			},
 			PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE,
@@ -714,9 +909,8 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		.setContentTitle(title ?: appLabel())
 		.setContentText(currentProgressLabel())
 		.setContentIntent(buildLaunchIntent())
-		.setDeleteIntent(buildServicePendingIntent(ACTION_STOP))
 		.setOnlyAlertOnce(true)
-		.setOngoing(status == "playing")
+		.setOngoing(status == "playing" || status == "paused")
 		.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
 		.setCategory(NotificationCompat.CATEGORY_TRANSPORT)
 		.addAction(
@@ -752,7 +946,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 			object : MediaSessionCompat.Callback() {
 				override fun onPlay() = handleResume()
 				override fun onPause() = handlePause()
-				override fun onStop() = handleStop(clearContentKey = true)
+				override fun onStop() = handleStop(clearContentKey = true, reason = STOP_REASON_USER)
 				override fun onSkipToNext() = handleSkip(1)
 				override fun onSkipToPrevious() = handleSkip(-1)
 			},
@@ -789,6 +983,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 
 	@SuppressLint("MissingPermission")
 	private fun syncNotificationState() {
+		syncPowerState()
 		updateMediaSessionState()
 		if (!backgroundModeEnabled) {
 			if (isForegroundActive) {
@@ -796,11 +991,18 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 				isForegroundActive = false
 			}
 			notificationManager.cancel(NOTIFICATION_ID)
+			// Even without background mode, keep foreground service alive while playing
+			// to prevent Android from killing us.
+			if (status == "playing" || status == "paused") {
+				val notification = buildNotification()
+				startForeground(NOTIFICATION_ID, notification)
+				isForegroundActive = true
+			}
 			return
 		}
 
 		when (status) {
-			"playing" -> {
+			"playing", "paused" -> {
 				val notification = buildNotification()
 				if (!isForegroundActive) {
 					startForeground(NOTIFICATION_ID, notification)
@@ -809,14 +1011,6 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 					notificationManager.notify(NOTIFICATION_ID, notification)
 				}
 			}
-			"paused" -> {
-				val notification = buildNotification()
-				if (isForegroundActive) {
-					stopForeground(false)
-					isForegroundActive = false
-				}
-				notificationManager.notify(NOTIFICATION_ID, notification)
-			}
 			else -> {
 				if (isForegroundActive) {
 					stopForeground(true)
@@ -887,6 +1081,9 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 
 	override fun onDestroy() {
 		mainHandler.removeCallbacks(playbackHealthRunnable)
+		isRebuildingEngine = false
+		clearScheduledRecoveries()
+		cancelIdleStop()
 		status = "idle"
 		currentIndex = 0
 		segments = emptyList()
@@ -896,6 +1093,7 @@ class ReaderTtsMediaService : Service(), TextToSpeech.OnInitListener {
 		tts?.stop()
 		tts?.shutdown()
 		abandonAudioFocus()
+		syncPowerState()
 		if (isForegroundActive) {
 			stopForeground(true)
 			isForegroundActive = false

lib/app/app.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../core/auth/session_expiry_notifier.dart';
 import '../core/theme/app_theme.dart';
 import '../features/auth/providers/auth_provider.dart';
+import '../features/reader/tts/tts_service.dart';
 import 'router/route_names.dart';
 import 'router/app_router.dart';
 
@@ -21,6 +23,10 @@ class _ReaderAppState extends ConsumerState<ReaderApp> {
   @override
   void initState() {
     super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _ensureMandatoryTtsRequirements();
+    });
+
     _sessionExpirySub = ref.listenManual<int>(
       sessionExpiryProvider,
       (previous, next) async {
@@ -45,6 +51,45 @@ class _ReaderAppState extends ConsumerState<ReaderApp> {
     );
   }
 
+  Future<void> _ensureMandatoryTtsRequirements() async {
+    if (kIsWeb || defaultTargetPlatform != TargetPlatform.android || !mounted) {
+      return;
+    }
+
+    final notifier = ref.read(ttsProvider.notifier);
+    await notifier.setBackgroundModeEnabled(true);
+    await notifier.ensureBatteryOptimizationIgnored();
+    if (!mounted) return;
+
+    while (mounted && !ref.read(ttsProvider).batteryOptimizationIgnored) {
+      await showDialog<void>(
+        context: context,
+        barrierDismissible: false,
+        builder: (context) {
+          return AlertDialog(
+            title: const Text('Yeu cau bat buoc cho TTS'),
+            content: const Text(
+              'Can bat Chay nen va Loai tru toi uu pin de TTS khong bi ngat dot ngot.',
+            ),
+            actions: [
+              FilledButton(
+                onPressed: () async {
+                  await notifier.setBackgroundModeEnabled(true);
+                  await notifier.ensureBatteryOptimizationIgnored();
+                  if (!context.mounted) return;
+                  if (ref.read(ttsProvider).batteryOptimizationIgnored) {
+                    Navigator.of(context).pop();
+                  }
+                },
+                child: const Text('Bat ngay'),
+              ),
+            ],
+          );
+        },
+      );
+    }
+  }
+
   @override
   void dispose() {
     _sessionExpirySub?.close();

lib/core/models/reading_settings.dart

@@ -5,9 +5,11 @@ class ReadingSettings {
     this.letterSpacing = 0,
     this.fontFamily = 'serif',
     this.themePreset = 'paper',
+    this.backgroundColorValue = 0xFFFFFEF8,
+    this.textColorValue = 0xFF111111,
     this.horizontalPadding = 20,
     this.paragraphSpacing = 24,
-    this.textAlign = 'justify',
+    this.textAlign = 'left',
   });
 
   final double fontSize;
@@ -15,6 +17,8 @@ class ReadingSettings {
   final double letterSpacing;
   final String fontFamily;
   final String themePreset;
+  final int backgroundColorValue;
+  final int textColorValue;
   final double horizontalPadding;
   final double paragraphSpacing;
   final String textAlign;
@@ -25,6 +29,8 @@ class ReadingSettings {
     double? letterSpacing,
     String? fontFamily,
     String? themePreset,
+    int? backgroundColorValue,
+    int? textColorValue,
     double? horizontalPadding,
     double? paragraphSpacing,
     String? textAlign,
@@ -35,6 +41,8 @@ class ReadingSettings {
         letterSpacing: letterSpacing ?? this.letterSpacing,
         fontFamily: fontFamily ?? this.fontFamily,
         themePreset: themePreset ?? this.themePreset,
+        backgroundColorValue: backgroundColorValue ?? this.backgroundColorValue,
+        textColorValue: textColorValue ?? this.textColorValue,
         horizontalPadding: horizontalPadding ?? this.horizontalPadding,
         paragraphSpacing: paragraphSpacing ?? this.paragraphSpacing,
         textAlign: textAlign ?? this.textAlign,
@@ -46,9 +54,12 @@ class ReadingSettings {
         letterSpacing: (json['letterSpacing'] as num?)?.toDouble() ?? 0,
         fontFamily: json['fontFamily'] as String? ?? 'serif',
         themePreset: json['themePreset'] as String? ?? 'paper',
+        backgroundColorValue:
+            (json['backgroundColorValue'] as num?)?.toInt() ?? 0xFFFFFEF8,
+        textColorValue: (json['textColorValue'] as num?)?.toInt() ?? 0xFF111111,
         horizontalPadding: (json['horizontalPadding'] as num?)?.toDouble() ?? 20,
         paragraphSpacing: (json['paragraphSpacing'] as num?)?.toDouble() ?? 24,
-        textAlign: json['textAlign'] as String? ?? 'justify',
+        textAlign: json['textAlign'] as String? ?? 'left',
       );
 
   Map<String, dynamic> toJson() => {
@@ -57,6 +68,8 @@ class ReadingSettings {
         'letterSpacing': letterSpacing,
         'fontFamily': fontFamily,
         'themePreset': themePreset,
+        'backgroundColorValue': backgroundColorValue,
+        'textColorValue': textColorValue,
         'horizontalPadding': horizontalPadding,
         'paragraphSpacing': paragraphSpacing,
         'textAlign': textAlign,

lib/core/storage/local_store.dart

@@ -8,6 +8,8 @@ class LocalStore {
   static const _kLetterSpacing = 'reader_letter_spacing';
   static const _kFontFamily = 'reader_font_family';
   static const _kThemePreset = 'reader_theme_preset';
+  static const _kBackgroundColor = 'reader_background_color';
+  static const _kTextColor = 'reader_text_color';
   static const _kHorizontalPadding = 'reader_horizontal_padding';
   static const _kParagraphSpacing = 'reader_paragraph_spacing';
   static const _kTextAlign = 'reader_text_align';
@@ -24,6 +26,8 @@ class LocalStore {
     await prefs.setDouble(_kLetterSpacing, settings.letterSpacing);
     await prefs.setString(_kFontFamily, settings.fontFamily);
     await prefs.setString(_kThemePreset, settings.themePreset);
+    await prefs.setInt(_kBackgroundColor, settings.backgroundColorValue);
+    await prefs.setInt(_kTextColor, settings.textColorValue);
     await prefs.setDouble(_kHorizontalPadding, settings.horizontalPadding);
     await prefs.setDouble(_kParagraphSpacing, settings.paragraphSpacing);
     await prefs.setString(_kTextAlign, settings.textAlign);
@@ -32,15 +36,29 @@ class LocalStore {
   Future<ReadingSettings?> loadReadingSettings() async {
     final prefs = await SharedPreferences.getInstance();
     if (!prefs.containsKey(_kFontSize)) return null;
+    final themePreset = prefs.getString(_kThemePreset) ?? 'paper';
+    final fallbackBackground = switch (themePreset) {
+      'night' => 0xFF101418,
+      'sepia' => 0xFFF6EAD7,
+      _ => 0xFFFFFEF8,
+    };
+    final fallbackText = switch (themePreset) {
+      'night' => 0xFFE6EAF2,
+      'sepia' => 0xFF3B2F23,
+      _ => 0xFF111111,
+    };
+
     return ReadingSettings(
       fontSize: prefs.getDouble(_kFontSize) ?? 18,
       lineHeight: prefs.getDouble(_kLineHeight) ?? 1.8,
       letterSpacing: prefs.getDouble(_kLetterSpacing) ?? 0,
       fontFamily: prefs.getString(_kFontFamily) ?? 'serif',
-      themePreset: prefs.getString(_kThemePreset) ?? 'paper',
+      themePreset: themePreset,
+      backgroundColorValue: prefs.getInt(_kBackgroundColor) ?? fallbackBackground,
+      textColorValue: prefs.getInt(_kTextColor) ?? fallbackText,
       horizontalPadding: prefs.getDouble(_kHorizontalPadding) ?? 20,
       paragraphSpacing: prefs.getDouble(_kParagraphSpacing) ?? 24,
-      textAlign: prefs.getString(_kTextAlign) ?? 'justify',
+      textAlign: prefs.getString(_kTextAlign) ?? 'left',
     );
   }
 

lib/features/bookshelf/presentation/bookshelf_screen.dart

@@ -5,6 +5,7 @@ import 'package:go_router/go_router.dart';
 
 import '../../../app/router/route_names.dart';
 import '../../../core/models/bookmark_model.dart';
+import '../../../shared/widgets/main_app_header.dart';
 import '../providers/bookshelf_provider.dart';
 import '../../auth/providers/auth_provider.dart';
 
@@ -17,12 +18,17 @@ class BookshelfScreen extends ConsumerWidget {
 
     if (!isAuth) {
       return Scaffold(
-        appBar: AppBar(title: const Text('Tủ sách')),
+        body: Column(
-        body: Center(
+          children: [
+            const MainAppHeader(title: 'Đăng truyện'),
+            Expanded(
+              child: Center(
+                child: Padding(
+                  padding: const EdgeInsets.all(24),
                   child: Column(
                     mainAxisSize: MainAxisSize.min,
                     children: [
-              const Icon(Icons.lock_outline, size: 48),
+                      const Icon(Icons.lock_outline_rounded, size: 54),
                       const SizedBox(height: 12),
                       const Text('Vui lòng đăng nhập để xem tủ sách'),
                       const SizedBox(height: 16),
@@ -33,28 +39,50 @@ class BookshelfScreen extends ConsumerWidget {
                     ],
                   ),
                 ),
+              ),
+            ),
+          ],
+        ),
       );
     }
 
     final bookshelfAsync = ref.watch(bookshelfProvider);
 
     return Scaffold(
-      appBar: AppBar(
+      body: DefaultTabController(
-        title: const Text('Tủ sách'),
+        length: 3,
-        actions: [
+        child: Column(
-          IconButton(
+          children: [
-            icon: const Icon(Icons.refresh),
+            MainAppHeader(
-            onPressed: () => ref.read(bookshelfProvider.notifier).fetch(),
+              title: 'Đăng truyện',
+              bottom: Container(
+                height: 42,
+                decoration: BoxDecoration(
+                  color: const Color(0xFF14B8A6),
+                  borderRadius: BorderRadius.circular(0),
                 ),
+                child: TabBar(
+                  indicatorColor: const Color(0xFFF7B500),
+                  indicatorWeight: 3,
+                  labelColor: Colors.white,
+                  unselectedLabelColor: Colors.white70,
+                  dividerColor: Colors.transparent,
+                  tabs: const [
+                    Tab(text: 'Đã đọc'),
+                    Tab(text: 'Đã lưu'),
+                    Tab(text: 'Đang mở'),
                   ],
                 ),
-      body: bookshelfAsync.when(
+              ),
+            ),
+            Expanded(
+              child: bookshelfAsync.when(
                 loading: () => const Center(child: CircularProgressIndicator()),
                 error: (e, _) => Center(
                   child: Column(
                     mainAxisSize: MainAxisSize.min,
                     children: [
-              const Icon(Icons.error_outline, size: 48),
+                      const Icon(Icons.error_outline_rounded, size: 48),
                       const SizedBox(height: 8),
                       Text('Lỗi: $e'),
                       TextButton(
@@ -65,27 +93,64 @@ class BookshelfScreen extends ConsumerWidget {
                   ),
                 ),
                 data: (bookmarks) {
+                  final readItems = bookmarks.where((e) => e.readChapters.isNotEmpty).toList();
+                  final savedItems = bookmarks;
+                  final openingItems = bookmarks.where((e) => e.lastChapterId != null).toList();
+
+                  return TabBarView(
+                    children: [
+                      _BookshelfList(
+                        bookmarks: readItems,
+                        emptyLabel: 'Chưa có truyện đã đọc.',
+                      ),
+                      _BookshelfList(
+                        bookmarks: savedItems,
+                        emptyLabel: 'Chưa có truyện nào trong tủ sách.',
+                      ),
+                      _BookshelfList(
+                        bookmarks: openingItems,
+                        emptyLabel: 'Chưa có truyện đang mở.',
+                      ),
+                    ],
+                  );
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _BookshelfList extends ConsumerWidget {
+  const _BookshelfList({required this.bookmarks, required this.emptyLabel});
+
+  final List<BookmarkModel> bookmarks;
+  final String emptyLabel;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
     if (bookmarks.isEmpty) {
-            return const Center(
+      return Center(
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
-                  Icon(Icons.menu_book_outlined, size: 56),
+            const Icon(Icons.menu_book_outlined, size: 56),
-                  SizedBox(height: 12),
+            const SizedBox(height: 12),
-                  Text('Chưa có truyện nào trong tủ sách'),
+            Text(emptyLabel),
           ],
         ),
       );
     }
+
     return RefreshIndicator(
       onRefresh: () => ref.read(bookshelfProvider.notifier).fetch(),
-            child: ListView.builder(
+      child: ListView.separated(
+        padding: const EdgeInsets.fromLTRB(14, 14, 14, 24),
         itemCount: bookmarks.length,
-              itemBuilder: (context, index) =>
+        separatorBuilder: (context, index) => const SizedBox(height: 12),
-                  _BookmarkTile(bookmark: bookmarks[index]),
+        itemBuilder: (context, index) => _BookmarkTile(bookmark: bookmarks[index]),
-            ),
-          );
-        },
       ),
     );
   }
@@ -98,32 +163,117 @@ class _BookmarkTile extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final novel = bookmark.novel;
-    return ListTile(
+    return Container(
-      leading: ClipRRect(
+      padding: const EdgeInsets.all(12),
-        borderRadius: BorderRadius.circular(6),
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surfaceContainerLow,
+        borderRadius: BorderRadius.circular(18),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              ClipRRect(
+                borderRadius: BorderRadius.circular(10),
                 child: novel?.coverUrl != null
                     ? CachedNetworkImage(
                         imageUrl: novel!.coverUrl!,
-                width: 44,
+                        width: 92,
-                height: 60,
+                        height: 126,
                         fit: BoxFit.cover,
                       )
                     : Container(
-                width: 44,
+                        width: 92,
-                height: 60,
+                        height: 126,
                         color: Theme.of(context).colorScheme.primaryContainer,
-                child: const Icon(Icons.menu_book, size: 20),
+                        child: const Icon(Icons.menu_book, size: 28),
                       ),
               ),
-      title: Text(
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Row(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Expanded(
+                          child: Text(
                             novel?.title ?? bookmark.novelId,
+                            maxLines: 2,
+                            overflow: TextOverflow.ellipsis,
+                            style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                                  fontSize: 18,
+                                  fontWeight: FontWeight.w500,
+                                ),
+                          ),
+                        ),
+                        const SizedBox(width: 8),
+                        const Icon(Icons.close_rounded, size: 20),
+                      ],
+                    ),
+                    const SizedBox(height: 8),
+                    Text(
+                      'Số chương: ${novel?.totalChapters ?? '--'}',
+                      style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                            fontWeight: FontWeight.w700,
+                          ),
+                    ),
+                    if (bookmark.lastChapterNumber != null) ...[
+                      const SizedBox(height: 6),
+                      Text(
+                        'Đang đọc đến: ${bookmark.lastChapterNumber} / ${novel?.totalChapters ?? '--'}',
+                        style: Theme.of(context).textTheme.bodyMedium,
+                      ),
+                    ],
+                    if (novel?.authorName != null) ...[
+                      const SizedBox(height: 10),
+                      Text(
+                        novel!.authorName,
                         maxLines: 1,
                         overflow: TextOverflow.ellipsis,
+                        style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                              color: Theme.of(context).colorScheme.onSurfaceVariant,
+                            ),
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+            ],
+          ),
+          const SizedBox(height: 14),
+          Row(
+            children: [
+              Expanded(
+                child: FilledButton.icon(
+                  onPressed: () => context.push(RouteNames.novelDetail(bookmark.novelId)),
+                  icon: const Icon(Icons.menu_book_rounded),
+                  label: const Text('Đọc tiếp'),
+                  style: FilledButton.styleFrom(
+                    backgroundColor: const Color(0xFF14B8A6),
+                    foregroundColor: Colors.white,
+                  ),
+                ),
+              ),
+              const SizedBox(width: 10),
+              Expanded(
+                child: FilledButton.icon(
+                  onPressed: () => context.push(RouteNames.novelDetail(bookmark.novelId)),
+                  icon: const Icon(Icons.headphones_rounded),
+                  label: const Text('Nghe tiếp'),
+                  style: FilledButton.styleFrom(
+                    backgroundColor: const Color(0xFF14B8A6),
+                    foregroundColor: Colors.white,
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ],
       ),
-      subtitle: novel?.authorName != null
-          ? Text(novel!.authorName, maxLines: 1, overflow: TextOverflow.ellipsis)
-          : null,
-      onTap: () => context.push(RouteNames.novelDetail(bookmark.novelId)),
     );
   }
 }

lib/features/home/presentation/home_screen.dart

@@ -1,10 +1,13 @@
+import 'dart:async';
+
+import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:cached_network_image/cached_network_image.dart';
 import 'package:go_router/go_router.dart';
 
 import '../../../app/router/route_names.dart';
 import '../../../core/models/novel_model.dart';
+import '../../../shared/widgets/main_app_header.dart';
 import '../providers/home_provider.dart';
 
 class HomeScreen extends ConsumerWidget {
@@ -13,63 +16,68 @@ class HomeScreen extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final homeAsync = ref.watch(homeProvider);
+    final colorScheme = Theme.of(context).colorScheme;
 
     return Scaffold(
-      appBar: AppBar(
+      backgroundColor: colorScheme.surface,
-        title: const Text('Reader'),
+      body: Column(
-        actions: [
+        children: [
-          IconButton(
+          const MainAppHeader(),
-            icon: const Icon(Icons.search),
+          Expanded(
-            onPressed: () => context.go(RouteNames.search),
+            child: homeAsync.when(
-          ),
-        ],
-      ),
-      body: homeAsync.when(
               loading: () => const Center(child: CircularProgressIndicator()),
               error: (e, _) => Center(
+                child: Padding(
+                  padding: const EdgeInsets.all(24),
                   child: Column(
                     mainAxisSize: MainAxisSize.min,
                     children: [
-              const Icon(Icons.error_outline, size: 48),
+                      const Icon(Icons.cloud_off_rounded, size: 52),
                       const SizedBox(height: 12),
-              Text('Lỗi tải dữ liệu', style: Theme.of(context).textTheme.bodyLarge),
+                      Text('Không thể tải dữ liệu trang chủ'),
-              Padding(
+                      const SizedBox(height: 8),
-                padding: const EdgeInsets.fromLTRB(24, 8, 24, 0),
+                      Text(
-                child: Text(
                         e.toString(),
-                  textAlign: TextAlign.center,
                         maxLines: 3,
                         overflow: TextOverflow.ellipsis,
+                        textAlign: TextAlign.center,
                         style: Theme.of(context).textTheme.bodySmall,
                       ),
-              ),
+                      const SizedBox(height: 12),
-              TextButton(
+                      FilledButton(
                         onPressed: () => ref.invalidate(homeProvider),
-                child: const Text('Thử lại'),
+                        child: const Text('Tải lại'),
                       ),
                     ],
                   ),
                 ),
+              ),
               data: (data) => RefreshIndicator(
                 onRefresh: () async => ref.invalidate(homeProvider),
                 child: ListView(
+                  padding: const EdgeInsets.fromLTRB(0, 12, 0, 24),
                   children: [
                     _HotCarousel(novels: data.hot),
+                    const SizedBox(height: 12),
+                    const _HomeQuickFilters(),
                     _SectionHeader(
-                title: 'Mới cập nhật',
+                      title: 'Truyện mới nhất',
                       onMore: () => context.go(RouteNames.search),
                     ),
                     _NovelHorizontalList(novels: data.latest),
                     _SectionHeader(
-                title: 'Đánh giá cao',
+                      title: 'Đề cử nổi bật',
-                onMore: () => context.go(RouteNames.search),
+                      onMore: () => context.go('${RouteNames.search}?sort=rating'),
                     ),
-              _NovelHorizontalList(novels: data.topRated),
+                    _FeatureGrid(novels: data.topRated.take(6).toList()),
-              const SizedBox(height: 16),
+                    const SizedBox(height: 12),
                   ],
                 ),
               ),
             ),
+          ),
+        ],
+      ),
     );
   }
 }
@@ -82,18 +90,82 @@ class _SectionHeader extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) => Padding(
-        padding: const EdgeInsets.fromLTRB(16, 20, 8, 8),
+        padding: const EdgeInsets.fromLTRB(18, 18, 12, 6),
         child: Row(
           children: [
-            Text(title, style: Theme.of(context).textTheme.titleMedium),
+            Text(
+              title,
+              style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                    fontWeight: FontWeight.w500,
+                  ),
+            ),
             const Spacer(),
             if (onMore != null)
-              TextButton(onPressed: onMore, child: const Text('Xem thêm')),
+              InkWell(
+                onTap: onMore,
+                borderRadius: BorderRadius.circular(999),
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
+                  child: Row(
+                    children: [
+                      Text(
+                        'Xem thêm',
+                        style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                              color: const Color(0xFF14B8A6),
+                            ),
+                      ),
+                      const SizedBox(width: 4),
+                      const Icon(Icons.chevron_right_rounded, color: Color(0xFF14B8A6)),
+                    ],
+                  ),
+                ),
+              ),
           ],
         ),
       );
 }
 
+class _HomeQuickFilters extends StatelessWidget {
+  const _HomeQuickFilters();
+
+  @override
+  Widget build(BuildContext context) {
+    const items = [
+      (Icons.dashboard_customize_rounded, 'Thể loại'),
+      (Icons.verified_rounded, 'Hoàn thành'),
+      (Icons.sell_rounded, 'Miễn phí'),
+      (Icons.local_fire_department_rounded, 'Truyện hot'),
+    ];
+
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(10, 0, 10, 8),
+      child: Row(
+        children: items
+            .map(
+              (item) => Expanded(
+                child: Column(
+                  children: [
+                    Icon(item.$1, color: const Color(0xFF14B8A6), size: 26),
+                    const SizedBox(height: 6),
+                    Text(
+                      item.$2,
+                      textAlign: TextAlign.center,
+                      maxLines: 2,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                            color: const Color(0xFF14B8A6),
+                          ),
+                    ),
+                  ],
+                ),
+              ),
+            )
+            .toList(),
+      ),
+    );
+  }
+}
+
 class _HotCarousel extends StatefulWidget {
   final List<NovelModel> novels;
   const _HotCarousel({required this.novels});
@@ -103,10 +175,58 @@ class _HotCarousel extends StatefulWidget {
 }
 
 class _HotCarouselState extends State<_HotCarousel> {
-  final PageController _controller = PageController(viewportFraction: 0.85);
+  late PageController _controller;
+  Timer? _autoSlideTimer;
+  int _currentPage = 0;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = PageController(viewportFraction: 1);
+    _startAutoSlide();
+  }
+
+  @override
+  void reassemble() {
+    super.reassemble();
+    _recreateController();
+  }
+
+  void _recreateController() {
+    final oldController = _controller;
+    final page = oldController.hasClients
+        ? (oldController.page?.round() ?? _currentPage)
+        : _currentPage;
+    _controller = PageController(initialPage: page, viewportFraction: 1);
+    oldController.dispose();
+  }
+
+  @override
+  void didUpdateWidget(covariant _HotCarousel oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.novels.length != widget.novels.length) {
+      _startAutoSlide();
+    }
+  }
+
+  void _startAutoSlide() {
+    _autoSlideTimer?.cancel();
+    if (widget.novels.length <= 1) return;
+
+    _autoSlideTimer = Timer.periodic(const Duration(seconds: 4), (_) {
+      if (!mounted || !_controller.hasClients) return;
+      final nextPage = (_currentPage + 1) % widget.novels.length;
+      _controller.animateToPage(
+        nextPage,
+        duration: const Duration(milliseconds: 360),
+        curve: Curves.easeInOut,
+      );
+    });
+  }
 
   @override
   void dispose() {
+    _autoSlideTimer?.cancel();
     _controller.dispose();
     super.dispose();
   }
@@ -115,10 +235,19 @@ class _HotCarouselState extends State<_HotCarousel> {
   Widget build(BuildContext context) {
     if (widget.novels.isEmpty) return const SizedBox.shrink();
     return SizedBox(
-      height: 220,
+      height: 260,
+      child: Column(
+        children: [
+          Expanded(
+            child: Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 8),
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(12),
+                child: ClipRect(
                   child: PageView.builder(
                     controller: _controller,
                     itemCount: widget.novels.length,
+                    onPageChanged: (value) => setState(() => _currentPage = value),
                     itemBuilder: (context, index) {
                       final novel = widget.novels[index];
                       return GestureDetector(
@@ -127,6 +256,29 @@ class _HotCarouselState extends State<_HotCarousel> {
                       );
                     },
                   ),
+                ),
+              ),
+            ),
+          ),
+          const SizedBox(height: 8),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: List.generate(widget.novels.length.clamp(0, 5), (index) {
+              final active = index == _currentPage.clamp(0, 4);
+              return AnimatedContainer(
+                duration: const Duration(milliseconds: 180),
+                margin: const EdgeInsets.symmetric(horizontal: 3),
+                width: active ? 16 : 7,
+                height: 7,
+                decoration: BoxDecoration(
+                  color: active ? const Color(0xFF14B8A6) : Colors.white54,
+                  borderRadius: BorderRadius.circular(99),
+                ),
+              );
+            }),
+          ),
+        ],
+      ),
     );
   }
 }
@@ -137,11 +289,7 @@ class _CarouselCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Padding(
+    return Stack(
-      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 12),
-      child: ClipRRect(
-        borderRadius: BorderRadius.circular(12),
-        child: Stack(
       fit: StackFit.expand,
       children: [
         if (novel.coverUrl != null)
@@ -149,8 +297,7 @@ class _CarouselCard extends StatelessWidget {
             imageUrl: novel.coverUrl!,
             fit: BoxFit.cover,
             placeholder: (_, imageUrl) => Container(color: Colors.grey[200]),
-                errorWidget: (_, imageUrl, error) =>
+            errorWidget: (_, imageUrl, error) => Container(color: Colors.grey[300]),
-                    Container(color: Colors.grey[300]),
           )
         else
           Container(color: Theme.of(context).colorScheme.primaryContainer),
@@ -169,20 +316,49 @@ class _CarouselCard extends StatelessWidget {
           bottom: 12,
           left: 12,
           right: 12,
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              if (novel.status.isNotEmpty)
+                Container(
+                  padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                  decoration: BoxDecoration(
+                    color: const Color(0xFF22C55E),
+                    borderRadius: BorderRadius.circular(999),
+                  ),
                   child: Text(
+                    novel.status,
+                    style: const TextStyle(
+                      color: Colors.white,
+                      fontSize: 11,
+                      fontWeight: FontWeight.w700,
+                    ),
+                  ),
+                ),
+              const SizedBox(height: 10),
+              Text(
                 novel.title,
                 style: const TextStyle(
                   color: Colors.white,
                   fontWeight: FontWeight.bold,
-                  fontSize: 16,
+                  fontSize: 20,
                 ),
                 maxLines: 2,
                 overflow: TextOverflow.ellipsis,
               ),
+              const SizedBox(height: 4),
+              Text(
+                novel.description?.trim().isNotEmpty == true
+                    ? novel.description!.trim()
+                    : novel.authorName,
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+                style: const TextStyle(color: Colors.white70, fontStyle: FontStyle.italic),
               ),
             ],
           ),
         ),
+      ],
     );
   }
 }
@@ -194,9 +370,9 @@ class _NovelHorizontalList extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return SizedBox(
-      height: 200,
+      height: 226,
       child: ListView.separated(
-        padding: const EdgeInsets.symmetric(horizontal: 16),
+        padding: const EdgeInsets.symmetric(horizontal: 18),
         scrollDirection: Axis.horizontal,
         itemCount: novels.length,
         separatorBuilder: (_, separatorIndex) => const SizedBox(width: 12),
@@ -205,32 +381,45 @@ class _NovelHorizontalList extends StatelessWidget {
           return GestureDetector(
             onTap: () => context.push(RouteNames.novelDetail(novel.id)),
             child: SizedBox(
-              width: 110,
+              width: 122,
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
                   ClipRRect(
-                    borderRadius: BorderRadius.circular(8),
+                    borderRadius: BorderRadius.circular(10),
                     child: novel.coverUrl != null
                         ? CachedNetworkImage(
                             imageUrl: novel.coverUrl!,
-                            width: 110,
+                            width: 122,
-                            height: 150,
+                            height: 155,
                             fit: BoxFit.cover,
                           )
                         : Container(
-                            width: 110,
+                            width: 122,
-                            height: 150,
+                            height: 155,
                             color: Theme.of(context).colorScheme.primaryContainer,
                             child: const Icon(Icons.menu_book),
                           ),
                   ),
-                  const SizedBox(height: 4),
+                  const SizedBox(height: 6),
-                  Text(
+                  Flexible(
+                    child: Text(
                       novel.title,
                       maxLines: 2,
                       overflow: TextOverflow.ellipsis,
-                    style: Theme.of(context).textTheme.bodySmall,
+                      style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                            fontWeight: FontWeight.w500,
+                          ),
+                    ),
+                  ),
+                  const SizedBox(height: 3),
+                  Text(
+                    '${novel.totalChapters} chương',
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                          color: const Color(0xFF58D68D),
+                        ),
                   ),
                 ],
               ),
@@ -241,3 +430,77 @@ class _NovelHorizontalList extends StatelessWidget {
     );
   }
 }
+
+class _FeatureGrid extends StatelessWidget {
+  const _FeatureGrid({required this.novels});
+
+  final List<NovelModel> novels;
+
+  @override
+  Widget build(BuildContext context) {
+    if (novels.isEmpty) return const SizedBox.shrink();
+
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(18, 4, 18, 0),
+      child: GridView.builder(
+        shrinkWrap: true,
+        physics: const NeverScrollableScrollPhysics(),
+        padding: EdgeInsets.zero,
+        itemCount: novels.length,
+        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+          crossAxisCount: 2,
+          mainAxisSpacing: 18,
+          crossAxisSpacing: 14,
+          childAspectRatio: 0.74,
+        ),
+        itemBuilder: (context, index) {
+          final novel = novels[index];
+          return GestureDetector(
+            onTap: () => context.push(RouteNames.novelDetail(novel.id)),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Expanded(
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(10),
+                    child: novel.coverUrl != null
+                        ? CachedNetworkImage(
+                            imageUrl: novel.coverUrl!,
+                            width: double.infinity,
+                            fit: BoxFit.cover,
+                          )
+                        : Container(
+                            color: Theme.of(context).colorScheme.primaryContainer,
+                            child: const Center(child: Icon(Icons.menu_book_rounded)),
+                          ),
+                  ),
+                ),
+                const SizedBox(height: 8),
+                Text(
+                  novel.title,
+                  maxLines: 1,
+                  overflow: TextOverflow.ellipsis,
+                  style: Theme.of(context).textTheme.titleSmall,
+                ),
+                const SizedBox(height: 2),
+                Text(
+                  '${novel.totalChapters} Chương',
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: const Color(0xFF58D68D),
+                      ),
+                ),
+                Text(
+                  '${novel.bookmarkCount > 0 ? novel.bookmarkCount : novel.views} ${novel.bookmarkCount > 0 ? 'Đề cử/tuần' : 'Lượt xem'}',
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: const Color(0xFF1677FF),
+                      ),
+                ),
+              ],
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+

lib/features/profile/presentation/profile_screen.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 
 import '../../../app/router/route_names.dart';
+import '../../../shared/widgets/main_app_header.dart';
 import '../../auth/providers/auth_provider.dart';
 import '../../bookshelf/providers/bookshelf_provider.dart';
 
@@ -22,94 +23,109 @@ class ProfileScreen extends ConsumerWidget {
       : '';
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Tài khoản')),
+      body: Column(
-      body: switch (authState) {
-        AuthAuthenticated(:final user) => SingleChildScrollView(
-            padding: const EdgeInsets.all(16),
-            child: Column(
         children: [
-                // User Avatar & Basic Info
+          const MainAppHeader(title: 'Trang cá nhân', showGenresShortcut: false),
-                Container(
+          Expanded(
-                  padding: const EdgeInsets.all(20),
+            child: switch (authState) {
-                  decoration: BoxDecoration(
+              AuthAuthenticated(:final user) => SingleChildScrollView(
-                    color: Theme.of(context).colorScheme.primaryContainer,
+                  padding: const EdgeInsets.fromLTRB(16, 16, 16, 24),
-                    borderRadius: BorderRadius.circular(12),
-                  ),
                   child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Container(
+                        padding: const EdgeInsets.all(14),
+                        decoration: BoxDecoration(
+                          color: Theme.of(context).colorScheme.surfaceContainerLow,
+                          borderRadius: BorderRadius.circular(22),
+                        ),
+                        child: Row(
+                          crossAxisAlignment: CrossAxisAlignment.start,
                           children: [
                             CircleAvatar(
-                        radius: 40,
+                              radius: 34,
                               backgroundImage:
                                   user.image != null ? NetworkImage(user.image!) : null,
                               child: user.image == null
                                   ? Text(
-                            displayName[0].toUpperCase(),
+                                      displayName.isNotEmpty ? displayName[0].toUpperCase() : 'U',
-                                style:
+                                      style: Theme.of(context).textTheme.headlineMedium,
-                                    Theme.of(context).textTheme.headlineMedium,
                                     )
                                   : null,
                             ),
-                      const SizedBox(height: 12),
+                            const SizedBox(width: 14),
+                            Expanded(
+                              child: Column(
+                                crossAxisAlignment: CrossAxisAlignment.start,
+                                children: [
                                   Text(
                                     displayName,
-                        style: Theme.of(context).textTheme.titleLarge,
+                                    style: Theme.of(context).textTheme.headlineSmall,
-                        textAlign: TextAlign.center,
+                                  ),
+                                  Text(
+                                    user.role.toLowerCase(),
+                                    style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                                          color: Theme.of(context).colorScheme.onSurfaceVariant,
+                                        ),
+                                  ),
+                                  const SizedBox(height: 10),
+                                  _AccountStatRow(
+                                    icon: Icons.auto_awesome,
+                                    label: 'Tiên Thạch: 0.00 TT',
                                   ),
                                   const SizedBox(height: 4),
-                      Text(
+                                  _AccountStatRow(
-                        user.email,
+                                    icon: Icons.diamond,
-                        style: Theme.of(context).textTheme.bodyMedium,
+                                    label: 'Linh Phiếu: 0 LP',
-                        textAlign: TextAlign.center,
-                      ),
-                    ],
-                  ),
-                ),
-                const SizedBox(height: 24),
-
-                // Stats Cards
-                Row(
-                  children: [
-                    Expanded(
-                      child: _buildStatCard(
-                        context: context,
-                        label: 'Sách Đánh Dấu',
-                        count: bookmarkedCount,
-                      ),
-                    ),
-                    const SizedBox(width: 12),
-                    Expanded(
-                      child: _buildStatCard(
-                        context: context,
-                        label: 'Đang Đọc',
-                        count: bookmarkedCount,
-                      ),
-                    ),
-                  ],
-                ),
-                const SizedBox(height: 24),
-
-                // Settings Button
-                SizedBox(
-                  width: double.infinity,
-                  child: FilledButton.icon(
-                    onPressed: () => context.push(RouteNames.settings),
-                    icon: const Icon(Icons.tune),
-                    label: const Text('Cài Đặt Đọc'),
                                   ),
+                                  const SizedBox(height: 4),
+                                  _AccountStatRow(
+                                    icon: Icons.local_activity,
+                                    label: 'Ngọc Phiếu: $bookmarkedCount',
                                   ),
                                   const SizedBox(height: 12),
-
+                                  FilledButton.icon(
-                // Logout Button
+                                    onPressed: () {},
-                SizedBox(
+                                    icon: const Icon(Icons.workspace_premium_rounded),
-                  width: double.infinity,
+                                    label: const Text('Thêm Tiên Thạch'),
-                  child: OutlinedButton.icon(
+                                    style: FilledButton.styleFrom(
-                    onPressed: () async {
+                                      backgroundColor: const Color(0xFF14B8A6),
+                                      foregroundColor: Colors.white,
+                                    ),
+                                  ),
+                                ],
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                      const SizedBox(height: 18),
+                      _ProfileMenuTile(
+                        title: 'Chỉnh sửa thông tin',
+                        onTap: () => context.push(RouteNames.settings),
+                      ),
+                      _ProfileMenuTile(
+                        title: 'Lịch sử giao dịch',
+                        onTap: () {},
+                      ),
+                      _ProfileMenuTile(
+                        title: 'Liên hệ, báo lỗi',
+                        onTap: () {},
+                      ),
+                      _ProfileMenuTile(
+                        title: 'Điều khoản dịch vụ',
+                        onTap: () {},
+                      ),
+                      _ProfileMenuTile(
+                        title: 'Xóa tài khoản',
+                        onTap: () {},
+                      ),
+                      _ProfileMenuTile(
+                        title: 'Đăng xuất',
+                        onTap: () async {
                           await ref.read(authProvider.notifier).signOut();
                           if (context.mounted) context.go(RouteNames.home);
                         },
-                    icon: const Icon(Icons.logout),
-                    label: const Text('Đăng Xuất'),
-                  ),
                       ),
                     ],
                   ),
@@ -137,36 +153,50 @@ class ProfileScreen extends ConsumerWidget {
                 ),
               _ => const Center(child: CircularProgressIndicator()),
             },
-    );
-  }
-
-  Widget _buildStatCard({
-    required BuildContext context,
-    required String label,
-    required int count,
-  }) {
-    return Container(
-      padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 12),
-      decoration: BoxDecoration(
-        color: Theme.of(context).colorScheme.surfaceContainer,
-        borderRadius: BorderRadius.circular(8),
-      ),
-      child: Column(
-        children: [
-          Text(
-            count.toString(),
-            style: Theme.of(context).textTheme.headlineMedium?.copyWith(
-                  color: Theme.of(context).colorScheme.primary,
-                ),
-          ),
-          const SizedBox(height: 4),
-          Text(
-            label,
-            style: Theme.of(context).textTheme.bodySmall,
-            textAlign: TextAlign.center,
           ),
         ],
       ),
     );
   }
 }
+
+class _AccountStatRow extends StatelessWidget {
+  const _AccountStatRow({required this.icon, required this.label});
+
+  final IconData icon;
+  final String label;
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Icon(icon, size: 18, color: const Color(0xFF58D68D)),
+        const SizedBox(width: 8),
+        Expanded(child: Text(label, style: Theme.of(context).textTheme.titleMedium)),
+      ],
+    );
+  }
+}
+
+class _ProfileMenuTile extends StatelessWidget {
+  const _ProfileMenuTile({required this.title, required this.onTap});
+
+  final String title;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.only(bottom: 10),
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surfaceContainer,
+        borderRadius: BorderRadius.circular(14),
+      ),
+      child: ListTile(
+        title: Text(title),
+        trailing: const Icon(Icons.chevron_right_rounded),
+        onTap: onTap,
+      ),
+    );
+  }
+}

lib/features/reader/providers/reader_provider.dart

@@ -61,6 +61,21 @@ class ReaderNotifier extends StateNotifier<ReadingProgress?> {
       scrollOffset: 0,
     );
   }
+
+  void resetCurrentChapterProgress() {
+    if (state == null) return;
+
+    state = ReadingProgress(
+      novelId: state!.novelId,
+      chapterId: state!.chapterId,
+      chapterNumber: state!.chapterNumber,
+      scrollOffset: 0,
+    );
+
+    // Persist immediately so a freshly opened chapter always resumes at top.
+    unawaited(_persistProgress(state!.chapterId, state!.chapterNumber, 0));
+  }
+
   void updateScroll(double offset) {
     if (state == null) return;
     state = ReadingProgress(
@@ -88,14 +103,20 @@ class ReaderNotifier extends StateNotifier<ReadingProgress?> {
     } catch (_) {}
   }
 
-  DateTime? _lastUpdate;
+  Timer? _debounceTimer;
-  Future<void> _debounceUpdate(double offset) async {
+  void _debounceUpdate(double offset) {
-    final now = DateTime.now();
+    _debounceTimer?.cancel();
-    if (_lastUpdate != null && now.difference(_lastUpdate!).inSeconds < 3) return;
+    _debounceTimer = Timer(const Duration(seconds: 3), () {
-    _lastUpdate = now;
       if (state != null) {
-      await _persistProgress(state!.chapterId, state!.chapterNumber, offset);
+        unawaited(_persistProgress(state!.chapterId, state!.chapterNumber, offset));
       }
+    });
+  }
+
+  @override
+  void dispose() {
+    _debounceTimer?.cancel();
+    super.dispose();
   }
 }
 

lib/features/reader/providers/tts_provider.dart

@@ -0,0 +1,133 @@
+import 'dart:async';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_tts/flutter_tts.dart';
+
+enum TtsStatus { idle, playing, paused, stopped }
+
+class TtsState {
+  final TtsStatus status;
+  final int currentSentenceIndex;
+  final List<String> sentences;
+  final double speechRate;
+  final double volume;
+  final double pitch;
+  final String? currentLanguage;
+
+  const TtsState({
+    this.status = TtsStatus.idle,
+    this.currentSentenceIndex = 0,
+    this.sentences = const [],
+    this.speechRate = 0.5,
+    this.volume = 1.0,
+    this.pitch = 1.0,
+    this.currentLanguage,
+  });
+
+  TtsState copyWith({
+    TtsStatus? status,
+    int? currentSentenceIndex,
+    List<String>? sentences,
+    double? speechRate,
+    double? volume,
+    double? pitch,
+    String? currentLanguage,
+  }) {
+    return TtsState(
+      status: status ?? this.status,
+      currentSentenceIndex: currentSentenceIndex ?? this.currentSentenceIndex,
+      sentences: sentences ?? this.sentences,
+      speechRate: speechRate ?? this.speechRate,
+      volume: volume ?? this.volume,
+      pitch: pitch ?? this.pitch,
+      currentLanguage: currentLanguage ?? this.currentLanguage,
+    );
+  }
+}
+
+class TtsNotifier extends Notifier<TtsState> {
+  late FlutterTts _tts;
+
+  @override
+  TtsState build() {
+    _tts = FlutterTts();
+    _initTts();
+    ref.onDispose(() async {
+      await _tts.stop();
+    });
+    return const TtsState();
+  }
+
+  Future<void> _initTts() async {
+    await _tts.setLanguage('vi-VN');
+    await _tts.setSpeechRate(state.speechRate);
+    await _tts.setVolume(state.volume);
+    await _tts.setPitch(state.pitch);
+    // Do NOT use awaitSpeakCompletion(true) — it blocks the Dart↔native channel
+    // between sentences, causing Android TTS service to disconnect.
+    await _tts.awaitSpeakCompletion(false);
+
+    _tts.setCompletionHandler(_onSentenceComplete);
+
+    _tts.setCancelHandler(() {
+      if (state.status == TtsStatus.playing) {
+        state = state.copyWith(status: TtsStatus.stopped);
+      }
+    });
+
+    _tts.setErrorHandler((msg) {
+      state = state.copyWith(status: TtsStatus.stopped);
+    });
+  }
+
+  void _onSentenceComplete() {
+    if (state.status != TtsStatus.playing) return;
+    final nextIndex = state.currentSentenceIndex + 1;
+    if (nextIndex < state.sentences.length) {
+      state = state.copyWith(currentSentenceIndex: nextIndex);
+      _speakCurrent();
+    } else {
+      state = state.copyWith(
+          status: TtsStatus.stopped, currentSentenceIndex: 0);
+    }
+  }
+
+  Future<void> _speakCurrent() async {
+    if (state.sentences.isEmpty) return;
+    if (state.status != TtsStatus.playing) return;
+    final sentence = state.sentences[state.currentSentenceIndex];
+    await _tts.speak(sentence);
+  }
+
+  Future<void> play(List<String> sentences) async {
+    await _tts.stop();
+    state = state.copyWith(
+      sentences: sentences,
+      currentSentenceIndex: 0,
+      status: TtsStatus.playing,
+    );
+    await _speakCurrent();
+  }
+
+  Future<void> pause() async {
+    state = state.copyWith(status: TtsStatus.paused);
+    await _tts.pause();
+  }
+
+  Future<void> resume() async {
+    state = state.copyWith(status: TtsStatus.playing);
+    await _speakCurrent();
+  }
+
+  Future<void> stop() async {
+    state = state.copyWith(status: TtsStatus.stopped, currentSentenceIndex: 0);
+    await _tts.stop();
+  }
+
+  Future<void> setSpeechRate(double rate) async {
+    await _tts.setSpeechRate(rate);
+    state = state.copyWith(speechRate: rate);
+  }
+}
+
+final ttsProvider = NotifierProvider<TtsNotifier, TtsState>(TtsNotifier.new);

lib/shared/widgets/app_shell.dart

@@ -8,45 +8,123 @@ class AppShell extends StatelessWidget {
 
   final Widget child;
 
-  int _indexForLocation(String location) {
+  String _tabForLocation(String location) {
-    if (location.startsWith(RouteNames.search)) return 1;
+    if (location.startsWith(RouteNames.bookshelf)) return RouteNames.bookshelf;
-    if (location.startsWith(RouteNames.bookshelf)) return 2;
+    if (location.startsWith(RouteNames.genres)) return RouteNames.genres;
-    if (location.startsWith(RouteNames.genres)) return 3;
+    if (location.startsWith(RouteNames.profile)) return RouteNames.profile;
-    if (location.startsWith(RouteNames.profile)) return 4;
+    return RouteNames.home;
-    return 0;
   }
 
   @override
   Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
     final location = GoRouterState.of(context).uri.path;
-    final selectedIndex = _indexForLocation(location);
+    final selectedTab = _tabForLocation(location);
 
     return Scaffold(
       body: child,
-      bottomNavigationBar: NavigationBar(
+      bottomNavigationBar: Container(
-        selectedIndex: selectedIndex,
+        decoration: BoxDecoration(
-        onDestinationSelected: (index) {
+          color: colorScheme.surface,
-          switch (index) {
+          border: Border(
-            case 0:
+            top: BorderSide(color: colorScheme.outlineVariant.withAlpha(80)),
-              context.go(RouteNames.home);
+          ),
-            case 1:
+        ),
-              context.go(RouteNames.search);
+        child: SafeArea(
-            case 2:
+          top: false,
-              context.go(RouteNames.bookshelf);
+          child: Padding(
-            case 3:
+            padding: const EdgeInsets.fromLTRB(10, 8, 10, 6),
-              context.go(RouteNames.genres);
+            child: Row(
-            case 4:
+              children: [
-              context.go(RouteNames.profile);
+                _ShellNavItem(
-          }
+                  icon: Icons.home_rounded,
-        },
+                  label: 'Trang chủ',
-        destinations: const [
+                  selected: selectedTab == RouteNames.home,
-          NavigationDestination(icon: Icon(Icons.home_outlined), label: 'Home'),
+                  onTap: () => context.go(RouteNames.home),
-          NavigationDestination(icon: Icon(Icons.search), label: 'Tim kiem'),
+                ),
-          NavigationDestination(icon: Icon(Icons.bookmark_border), label: 'Tu sach'),
+                _ShellNavItem(
-          NavigationDestination(icon: Icon(Icons.category_outlined), label: 'The loai'),
+                  icon: Icons.layers_rounded,
-          NavigationDestination(icon: Icon(Icons.person_outline), label: 'Tai khoan'),
+                  label: 'Tủ sách',
+                  selected: selectedTab == RouteNames.bookshelf,
+                  onTap: () => context.go(RouteNames.bookshelf),
+                ),
+                _ShellNavItem(
+                  icon: Icons.category_rounded,
+                  label: 'Thể loại',
+                  selected: selectedTab == RouteNames.genres,
+                  onTap: () => context.go(RouteNames.genres),
+                ),
+                _ShellNavItem(
+                  icon: Icons.person_rounded,
+                  label: 'Tài khoản',
+                  selected: selectedTab == RouteNames.profile,
+                  onTap: () => context.go(RouteNames.profile),
+                ),
               ],
             ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _ShellNavItem extends StatelessWidget {
+  const _ShellNavItem({
+    required this.icon,
+    required this.label,
+    required this.selected,
+    required this.onTap,
+  });
+
+  final IconData icon;
+  final String label;
+  final bool selected;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final activeColor = const Color(0xFF14B8A6);
+    final inactiveColor = colorScheme.onSurfaceVariant;
+
+    return Expanded(
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(18),
+        child: Padding(
+          padding: const EdgeInsets.symmetric(vertical: 4),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              AnimatedContainer(
+                duration: const Duration(milliseconds: 180),
+                padding: const EdgeInsets.all(6),
+                decoration: BoxDecoration(
+                  color: selected ? activeColor.withAlpha(28) : Colors.transparent,
+                  shape: BoxShape.circle,
+                ),
+                child: Icon(
+                  icon,
+                  size: 22,
+                  color: selected ? activeColor : inactiveColor,
+                ),
+              ),
+              const SizedBox(height: 4),
+              Text(
+                label,
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+                style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                      color: selected ? const Color(0xFFF7B500) : inactiveColor,
+                      fontWeight: selected ? FontWeight.w700 : FontWeight.w500,
+                    ),
+              ),
+            ],
+          ),
+        ),
+      ),
     );
   }
 }

lib/shared/widgets/main_app_header.dart

@@ -0,0 +1,96 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../app/router/route_names.dart';
+
+class MainAppHeader extends StatelessWidget {
+  const MainAppHeader({
+    super.key,
+    this.title = 'Đăng truyện',
+    this.showSearch = true,
+    this.showGenresShortcut = true,
+    this.bottom,
+  });
+
+  final String title;
+  final bool showSearch;
+  final bool showGenresShortcut;
+  final Widget? bottom;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+
+    return Container(
+      padding: const EdgeInsets.fromLTRB(14, 10, 14, 12),
+      decoration: BoxDecoration(
+        color: colorScheme.surface.withAlpha(245),
+        border: Border(
+          bottom: BorderSide(color: colorScheme.outlineVariant.withAlpha(90)),
+        ),
+      ),
+      child: SafeArea(
+        bottom: false,
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Row(
+              children: [
+                GestureDetector(
+                  onTap: () => context.go(RouteNames.home),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(10),
+                    child: SizedBox(
+                      width: 34,
+                      height: 34,
+                      child: Image.asset(
+                        'assets/app_icon.png',
+                        fit: BoxFit.contain,
+                        errorBuilder: (context, error, stackTrace) => Icon(
+                          Icons.menu_book_rounded,
+                          color: theme.colorScheme.primary,
+                        ),
+                      ),
+                    ),
+                  ),
+                ),
+                const SizedBox(width: 12),
+                Expanded(
+                  child: Text(
+                    "Virtus's Reader",
+                    textAlign: TextAlign.center,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: theme.textTheme.titleMedium?.copyWith(
+                      color: const Color(0xFF15B8A6),
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                ),
+                const SizedBox(width: 12),
+                if (showSearch)
+                  IconButton(
+                    tooltip: 'Tìm kiếm',
+                    visualDensity: VisualDensity.compact,
+                    onPressed: () => context.go(RouteNames.search),
+                    icon: const Icon(Icons.search_rounded),
+                    color: const Color(0xFF15B8A6),
+                  ),
+              ],
+            ),
+            if (bottom != null) ...[
+              const SizedBox(height: 12),
+              bottom!,
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+
+
+
+

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.0.0+1
+version: 1.0.2+3
 
 environment:
   sdk: ^3.11.3
@@ -78,6 +78,9 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
+  assets:
+    - assets/app_icon.png
+
   # To add assets to your application, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg