General improvements (#134)

* Add visual options and seamless transitions to the EPUB reader

* Add support for DOCX file format

* Refine padding and status bar inset handling in Epub pagination mode

* Add file size parameter for recent files and sorting

* Refactor book data cleanup logic into a centralized method

* Bump version to 1.0.40(41)

app/build.gradle.kts

@@ -30,8 +30,8 @@ android {
         applicationId = "com.aryan.reader"
         minSdk = 26
         targetSdk = 35
-        versionCode = 40
+        versionCode = 41
-        versionName = "1.0.39"
+        versionName = "1.0.40"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
@@ -217,6 +217,7 @@ dependencies {
     implementation("androidx.browser:browser:1.8.0")
 
     implementation("io.legere:pdfiumandroid:2.0.0")
+    implementation("org.zwobble.mammoth:mammoth:1.4.2")
 }
 
 spotless {

app/src/main/AndroidManifest.xml

@@ -172,6 +172,28 @@
                 <data android:mimeType="application/x-cb7" />
             </intent-filter>
 
+            <!-- DOCX -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="content" />
+                <data android:scheme="file" />
+                <data android:mimeType="application/vnd.openxmlformats-officedocument.wordprocessingml.document" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="file" />
+                <data android:host="*" />
+                <data android:mimeType="*/*" />
+                <data android:pathPattern=".*\\.docx" />
+                <data android:pathPattern=".*\\..*\\.docx" />
+                <data android:pathPattern=".*\\..*\\..*\\.docx" />
+            </intent-filter>
+
             <!-- pathPattern fallback for file:// URIs (comic books) -->
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />

app/src/main/java/com/aryan/reader/AppNavigation.kt

@@ -82,7 +82,7 @@ fun AppNavigation(
                         }
                     }
                 }
-                FileType.EPUB, FileType.MOBI, FileType.MD, FileType.TXT, FileType.HTML, FileType.FB2 -> {
+                FileType.EPUB, FileType.MOBI, FileType.MD, FileType.TXT, FileType.HTML, FileType.FB2, FileType.DOCX -> {
                     if (uiState.selectedEpubBook != null) {
                         if (navController.currentDestination?.route != AppDestinations.EPUB_READER_ROUTE) {
                             navController.navigate(AppDestinations.EPUB_READER_ROUTE) {

app/src/main/java/com/aryan/reader/FolderSyncWorker.kt

@@ -318,6 +318,7 @@ class FolderSyncWorker(
         return when {
             mimeType == "application/pdf" || name.endsWith(".pdf", true) -> FileType.PDF
             mimeType == "application/epub+zip" || name.endsWith(".epub", true) -> FileType.EPUB
+            mimeType == "application/vnd.openxmlformats-officedocument.wordprocessingml.document" || name.endsWith(".docx", true) -> FileType.DOCX
             name.endsWith(".mobi", true) || name.endsWith(".azw3", true) -> FileType.MOBI
             name.endsWith(".md", true) -> FileType.MD
             name.endsWith(".txt", true) -> FileType.TXT

app/src/main/java/com/aryan/reader/HomeScreen.kt

@@ -608,7 +608,7 @@ fun RecentFileCard(
     val context = LocalContext.current
     val placeholder = when (item.type) {
         FileType.PDF -> R.drawable.pdf_placeholder
-        FileType.EPUB, FileType.MOBI, FileType.FB2, FileType.MD, FileType.TXT, FileType.HTML, FileType.CBZ, FileType.CBR, FileType.CB7 -> R.drawable.epub_placeholder
+        FileType.EPUB, FileType.MOBI, FileType.FB2, FileType.MD, FileType.TXT, FileType.HTML, FileType.CBZ, FileType.CBR, FileType.CB7, FileType.DOCX -> R.drawable.epub_placeholder
     }
     val imageModel = remember(item.coverImagePath) {
         item.coverImagePath?.let { File(it) } ?: placeholder

app/src/main/java/com/aryan/reader/LibraryScreen.kt

@@ -1297,7 +1297,7 @@ private fun LibraryListItem(
     val context = LocalContext.current
     val placeholder = when (item.type) {
         FileType.PDF -> R.drawable.pdf_placeholder
-        FileType.EPUB, FileType.MOBI, FileType.FB2, FileType.MD, FileType.TXT, FileType.HTML, FileType.CBZ, FileType.CBR, FileType.CB7 -> R.drawable.epub_placeholder
+        FileType.EPUB, FileType.MOBI, FileType.FB2, FileType.MD, FileType.TXT, FileType.HTML, FileType.CBZ, FileType.CBR, FileType.CB7, FileType.DOCX -> R.drawable.epub_placeholder
     }
     val imageModel = remember(item.coverImagePath) {
         item.coverImagePath?.let { File(it) } ?: placeholder

app/src/main/java/com/aryan/reader/MainViewModel.kt

@@ -136,7 +136,7 @@ enum class AddBooksSource(val displayName: String) {
 }
 
 enum class FileType {
-    PDF, EPUB, MOBI, MD, TXT, HTML, FB2, CBZ, CBR, CB7
+    PDF, EPUB, MOBI, MD, TXT, HTML, FB2, CBZ, CBR, CB7, DOCX
 }
 
 enum class RenderMode {
@@ -161,9 +161,13 @@ data class Shelf(val name: String, val books: List<RecentFileItem>) {
 }
 
 enum class SortOrder(val displayName: String) {
-    RECENT("Recent"), TITLE_ASC("Title A-Z"), AUTHOR_ASC("Author A-Z"), PERCENT_ASC("Percent complete 0-100"), PERCENT_DESC(
+    RECENT("Recent"),
-        "Percent complete 100-0"
+    TITLE_ASC("Title A-Z"),
-    )
+    AUTHOR_ASC("Author A-Z"),
+    PERCENT_ASC("Percent complete 0-100"),
+    PERCENT_DESC("Percent complete 100-0"),
+    SIZE_ASC("Size (Smallest)"),
+    SIZE_DESC("Size (Biggest)")
 }
 
 enum class ReadStatusFilter(val displayName: String) {
@@ -372,6 +376,8 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                 SortOrder.AUTHOR_ASC -> files.sortedWith(compareBy(nullsLast()) { it.author?.lowercase() })
                 SortOrder.PERCENT_ASC -> files.sortedBy { it.progressPercentage ?: 0f }
                 SortOrder.PERCENT_DESC -> files.sortedByDescending { it.progressPercentage ?: 0f }
+                SortOrder.SIZE_ASC -> files.sortedBy { it.fileSize }
+                SortOrder.SIZE_DESC -> files.sortedByDescending { it.fileSize }
             }
         }
 
@@ -478,8 +484,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
             if (filesToDelete.isNotEmpty()) {
                 val ids = filesToDelete.map { it.bookId }
                 ids.forEach { bookId ->
-                    pdfTextRepository.clearBookText(bookId)
+                    cleanupBookDataLocally(bookId)
-                    clearImportedFileCache(bookId)
                     try {
                         val cacheDir = File(appContext.cacheDir, "opds_stream_${bookId.hashCode()}")
                         if (cacheDir.exists()) cacheDir.deleteRecursively()
@@ -838,14 +843,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
 
             Timber.d("Deleting book permanently from reader: $bookId")
 
-            pdfTextRepository.clearBookText(bookId)
+            cleanupBookDataLocally(bookId)
-            try {
-                val cacheDir = File(appContext.cacheDir, "imported_file_$bookId")
-                if (cacheDir.exists()) cacheDir.deleteRecursively()
-            } catch (e: Exception) {
-                Timber.e(e, "Failed to clear cache for $bookId")
-            }
-
             recentFilesRepository.deleteFilePermanently(listOf(bookId))
 
             withContext(Dispatchers.Main) {
@@ -1013,6 +1011,12 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
     private fun getFastFileId(context: Context, uri: Uri): String {
         var result = uri.toString()
         try {
+            if (uri.scheme == "file") {
+                uri.path?.let {
+                    val file = File(it)
+                    result = "${file.name}_${file.length()}"
+                }
+            } else {
                 context.contentResolver.query(uri, null, null, null, null)?.use { cursor ->
                     if (cursor.moveToFirst()) {
                         val sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE)
@@ -1022,6 +1026,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                         result = "${name}_${size}"
                     }
                 }
+            }
         } catch (e: Exception) {
             Timber.e(e, "Failed to generate fast file ID")
         }
@@ -1560,7 +1565,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
             _internalState.update { it.copy(syncedFolders = currentFolders) }
 
             val filesToRemove = recentFilesRepository.getFilesBySourceFolder(folder.uriString)
-            filesToRemove.forEach { pdfTextRepository.clearBookText(it.bookId) }
+            filesToRemove.forEach { cleanupBookDataLocally(it.bookId) }
 
             recentFilesRepository.deleteFilesBySourceFolder(folder.uriString)
             try {
@@ -1671,8 +1676,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                     val idsToRemove = filesToRemove.map { it.bookId }
 
                     idsToRemove.forEach { bookId ->
-                        pdfTextRepository.clearBookText(bookId)
+                        cleanupBookDataLocally(bookId)
-                        clearImportedFileCache(bookId)
                     }
                     recentFilesRepository.deleteFilePermanently(idsToRemove)
                 }
@@ -1689,7 +1693,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
             val folders = _internalState.value.syncedFolders
             folders.forEach { folder ->
                 val filesToRemove = recentFilesRepository.getFilesBySourceFolder(folder.uriString)
-                filesToRemove.forEach { pdfTextRepository.clearBookText(it.bookId) }
+                filesToRemove.forEach { cleanupBookDataLocally(it.bookId) }
 
                 recentFilesRepository.deleteFilesBySourceFolder(folder.uriString)
                 try {
@@ -1902,6 +1906,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
         viewModelScope.launch {
             try {
                 recentFilesRepository.clearAllLocalData()
+                clearBookCache()
                 pdfTextRepository.clearAllText()
                 pdfTextBoxRepository.clearAll()
                 prefs.edit { remove(KEY_LAST_SYNC_TIMESTAMP) }
@@ -2378,6 +2383,24 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
             recentFilesRepository.getFileByBookId(bookId) == null
         }
 
+        val fileSize = withContext(Dispatchers.IO) {
+            try {
+                if (uri.scheme == "file") {
+                    uri.path?.let { File(it).length() } ?: 0L
+                } else {
+                    appContext.contentResolver.query(uri, null, null, null, null)?.use { cursor ->
+                        if (cursor.moveToFirst()) {
+                            val sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE)
+                            if (sizeIndex != -1) cursor.getLong(sizeIndex) else 0L
+                        } else 0L
+                    } ?: 0L
+                }
+            } catch (e: Exception) {
+                Timber.e(e, "Failed to get file size for $uri")
+                0L
+            }
+        }
+
         val existingItem = recentFilesRepository.getFileByBookId(bookId)
         val displayName = customDisplayName ?: existingItem?.displayName ?: getFileNameFromUri(
             uri, appContext
@@ -2388,7 +2411,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
         var author: String? = null
         var bookForMetadata = epubBook
 
-        if (bookForMetadata == null && (type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML)) {
+        if (bookForMetadata == null && (type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML || type == FileType.DOCX)) {
             Timber.d("Parsing downloaded book for cover/metadata: $displayName")
             Timber.tag("FileOpenPerf")
                 .d("[$bookId] addFileToRecent: Starting metadata parsing (no book provided)")
@@ -2450,7 +2473,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
 
         val finalBookMetadata = bookForMetadata
 
-        if ((type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML) && finalBookMetadata != null) {
+        if ((type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML || type == FileType.DOCX) && finalBookMetadata != null) {
             title =
                 finalBookMetadata.title.takeIf { it.isNotBlank() && it != "content" } ?: displayName
 
@@ -2529,7 +2552,8 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
             lastModifiedTimestamp = newLastModifiedTimestamp,
             isDeleted = false,
             isRecent = isRecent,
-            sourceFolderUri = sourceFolderUri
+            sourceFolderUri = sourceFolderUri,
+            fileSize = fileSize
         )
         recentFilesRepository.addRecentFile(newItem)
         Timber.i("Added/Updated $displayName ($type) to recent files via repository.")
@@ -2871,6 +2895,12 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
         }
     }
 
+    private suspend fun cleanupBookDataLocally(bookId: String) {
+        pdfTextRepository.clearBookText(bookId)
+        clearImportedFileCache(bookId)
+        bookCacheDao.deleteEntireBookCache(bookId)
+    }
+
     private fun clearImportedFileCache(bookId: String) {
         try {
             val cacheDir = File(appContext.cacheDir, "imported_file_$bookId")
@@ -2892,6 +2922,14 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
 
         if (uri.scheme != "opds-pse") {
             try {
+                if (uri.scheme == "file") {
+                    uri.path?.let {
+                        val file = File(it)
+                        val size = file.length()
+                        val name = file.name
+                        Timber.tag("FileOpenPerf").d("[$bookId] File details | name=$name | size=${size} bytes | sizeMB=${size / (1024.0 * 1024)}")
+                    }
+                } else {
                     val cursor = appContext.contentResolver.query(uri, null, null, null, null)
                     cursor?.use {
                         if (it.moveToFirst()) {
@@ -2903,6 +2941,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                                 .d("[$bookId] File details | name=$name | size=${size} bytes | sizeMB=${size / (1024.0 * 1024)}")
                         }
                     }
+                }
             } catch (e: Exception) {
                 Timber.tag("FileOpenPerf").e(e, "[$bookId] Failed to get file details")
             }
@@ -2952,7 +2991,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                         sourceFolderUri = null
                     )
                 }
-            } else if (type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML) {
+            } else if (type == FileType.EPUB || type == FileType.MOBI || type == FileType.FB2 || type == FileType.MD || type == FileType.TXT || type == FileType.HTML || type == FileType.DOCX) {
                 viewModelScope.launch {
                     val recentItem = recentFilesRepository.getFileByBookId(bookId)
                     if (recentItem?.sourceFolderUri != null) {
@@ -3110,6 +3149,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
         Timber.d("Determining type for: $uri | Mime: $mimeType | Name: $fileName")
 
         return when (mimeType) {
+            "application/vnd.openxmlformats-officedocument.wordprocessingml.document" -> FileType.DOCX
             "application/zip", "application/vnd.comicbook+zip", "application/x-cbz" -> {
                 if (fileName?.endsWith(".cbz", ignoreCase = true) == true) FileType.CBZ else null
             }
@@ -3181,6 +3221,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                         ".htm",
                         ignoreCase = true
                     ) == true -> FileType.HTML
+                    fileName?.endsWith(".docx", ignoreCase = true) == true -> FileType.DOCX
 
                     else -> null
                 }
@@ -3846,7 +3887,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
 
                         folderBooks.forEach { item ->
                             idsToDeleteLocally.add(item.bookId)
-                            pdfTextRepository.clearBookText(item.bookId)
+                            cleanupBookDataLocally(item.bookId)
 
                             clearImportedFileCache(item.bookId)
 
@@ -3912,8 +3953,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
 
                                 for (item in managedBooks) {
                                     recentFilesRepository.markAsDeleted(listOf(item.bookId))
-                                    pdfTextRepository.clearBookText(item.bookId)
+                                    cleanupBookDataLocally(item.bookId)
-                                    clearImportedFileCache(item.bookId)
 
                                     firestoreRepository.syncBookMetadata(
                                         currentUser.uid,
@@ -3941,8 +3981,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                                 Timber.e(e, "Error during permanent deletion")
                                 recentFilesRepository.deleteFilePermanently(managedBooks.map { it.bookId })
                                 managedBooks.forEach { item ->
-                                    clearImportedFileCache(item.bookId)
+                                    cleanupBookDataLocally(item.bookId)
-                                    pdfTextRepository.clearBookText(item.bookId)
                                 }
                                 _internalState.update {
                                     it.copy(
@@ -3954,8 +3993,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                         } else {
                             recentFilesRepository.deleteFilePermanently(managedBooks.map { it.bookId })
                             managedBooks.forEach { item ->
-                                clearImportedFileCache(item.bookId)
+                                cleanupBookDataLocally(item.bookId)
-                                pdfTextRepository.clearBookText(item.bookId)
                             }
                         }
                     }
@@ -4073,8 +4111,7 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
                 val reflowBookIds = reflowBooks.map { it.bookId }
 
                 reflowBookIds.forEach { bookId ->
-                    clearImportedFileCache(bookId)
+                    cleanupBookDataLocally(bookId)
-                    pdfTextRepository.clearBookText(bookId)
                 }
 
                 recentFilesRepository.deleteFilePermanently(reflowBookIds)

app/src/main/java/com/aryan/reader/MetadataExtractionWorker.kt

@@ -61,6 +61,22 @@ class MetadataExtractionWorker(
                     var title: String? = null
                     var author: String? = null
 
+                    val fileSize = try {
+                        if (uri.scheme == "file") {
+                            uri.path?.let { File(it).length() } ?: 0L
+                        } else {
+                            appContext.contentResolver.query(uri, null, null, null, null)?.use { cursor ->
+                                if (cursor.moveToFirst()) {
+                                    val sizeIndex = cursor.getColumnIndex(android.provider.OpenableColumns.SIZE)
+                                    if (sizeIndex != -1) cursor.getLong(sizeIndex) else 0L
+                                } else 0L
+                            } ?: 0L
+                        }
+                    } catch (e: Exception) {
+                        Timber.tag("MetadataWorker").e(e, "Failed to get file size for ${item.displayName}")
+                        0L
+                    }
+
                     appContext.contentResolver.openInputStream(uri)?.use { inputStream ->
                         when (type) {
                             FileType.EPUB -> {
@@ -99,15 +115,15 @@ class MetadataExtractionWorker(
                         }
                     }
 
-                    if (coverPath != null || title != null || author != null) {
+                    if (coverPath != null || title != null || author != null || fileSize > 0L) {
                         val updatedItem = item.copy(
                             coverImagePath = coverPath ?: item.coverImagePath,
                             title = title ?: item.title ?: item.displayName,
-                            author = author ?: item.author
+                            author = author ?: item.author,
+                            fileSize = if (fileSize > 0L) fileSize else item.fileSize
                         )
                         recentFilesRepository.addRecentFile(updatedItem)
-                        Timber.tag("MetadataWorker").d("Updated local metadata for: ${item.displayName}")
+                        Timber.tag("MetadataWorker").d("Updated local metadata/size for: ${item.displayName} ($fileSize bytes)")
-
                     }
 
                 } catch (e: Exception) {

app/src/main/java/com/aryan/reader/SharedComposables.kt

@@ -101,6 +101,8 @@ import timber.log.Timber
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
+import kotlin.math.log10
+import kotlin.math.pow
 
 internal const val PRIVACY_POLICY_URL = "https://aryan-raj3112.github.io/reader-policy/privacy-policy.html"
 internal const val TERMS_URL = "https://aryan-raj3112.github.io/reader-policy/terms-and-conditions.html"
@@ -123,6 +125,13 @@ class CustomTabUriHandler(private val context: Context) : UriHandler {
     }
 }
 
+fun formatFileSize(bytes: Long): String {
+    if (bytes <= 0) return "Unknown"
+    val units = arrayOf("B", "KB", "MB", "GB", "TB")
+    val digitGroups = (log10(bytes.toDouble()) / log10(1024.0)).toInt()
+    return String.format(Locale.US, "%.2f %s", bytes / 1024.0.pow(digitGroups.toDouble()), units[digitGroups])
+}
+
 @Composable
 fun LegalText(
     modifier: Modifier = Modifier,
@@ -446,6 +455,7 @@ fun FileInfoDialog(item: RecentFileItem, onDismiss: () -> Unit, onUpdateName: (S
                         InfoRowDetailed("Author", it)
                     }
                     InfoRowDetailed("Format", item.type.name)
+                    InfoRowDetailed("Size", formatFileSize(item.fileSize))
                     InfoRowDetailed("Added", formattedDate)
                     InfoRowDetailed(
                         label = "Location",

app/src/main/java/com/aryan/reader/data/AppDatabase.kt

@@ -27,7 +27,7 @@ import androidx.room.TypeConverters
 import androidx.room.migration.Migration
 import androidx.sqlite.db.SupportSQLiteDatabase
 
-@Database(entities =[RecentFileEntity::class, CustomFontEntity::class], version = 15, exportSchema = false)
+@Database(entities =[RecentFileEntity::class, CustomFontEntity::class], version = 16, exportSchema = false)
 @TypeConverters(FileTypeConverter::class)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun recentFileDao(): RecentFileDao
@@ -185,6 +185,12 @@ abstract class AppDatabase : RoomDatabase() {
             }
         }
 
+        val MIGRATION_15_16 = object : Migration(15, 16) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("ALTER TABLE recent_files ADD COLUMN fileSize INTEGER NOT NULL DEFAULT 0")
+            }
+        }
+
         fun getDatabase(context: Context): AppDatabase {
             return INSTANCE ?: synchronized(this) {
                 val instance = Room.databaseBuilder(
@@ -196,7 +202,7 @@ abstract class AppDatabase : RoomDatabase() {
                         MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5,
                         MIGRATION_5_6, MIGRATION_6_7, MIGRATION_7_8, MIGRATION_8_9,
                         MIGRATION_9_10, MIGRATION_10_11, MIGRATION_11_12,
-                        MIGRATION_12_13, MIGRATION_13_14, MIGRATION_14_15
+                        MIGRATION_12_13, MIGRATION_13_14, MIGRATION_14_15, MIGRATION_15_16
                     )
                     .fallbackToDestructiveMigration(false)
                     .build()

app/src/main/java/com/aryan/reader/data/RecentFileEntity.kt

@@ -50,5 +50,6 @@ data class RecentFileEntity(
     @ColumnInfo(defaultValue = "NULL") val sourceFolderUri: String?,
     @ColumnInfo(defaultValue = "0") val isReflowPreferred: Boolean,
     @ColumnInfo(defaultValue = "NULL") val customName: String?,
-    @ColumnInfo(defaultValue = "NULL") val highlights: String?
+    @ColumnInfo(defaultValue = "NULL") val highlights: String?,
+    @ColumnInfo(name = "fileSize", defaultValue = "0") val fileSize: Long
 )

app/src/main/java/com/aryan/reader/data/RecentFileItem.kt

@@ -46,7 +46,8 @@ data class RecentFileItem(
     val sourceFolderUri: String? = null,
     val isReflowPreferred: Boolean = false,
     val customName: String? = null,
-    val highlightsJson: String? = null
+    val highlightsJson: String? = null,
+    val fileSize: Long = 0L
 ) {
     fun getUri(): Uri? = uriString?.toUri()
 }
@@ -75,7 +76,8 @@ fun RecentFileEntity.toRecentFileItem(): RecentFileItem {
         sourceFolderUri = this.sourceFolderUri,
         isReflowPreferred = this.isReflowPreferred,
         customName = this.customName,
-        highlightsJson = this.highlights
+        highlightsJson = this.highlights,
+        fileSize = this.fileSize
     )
 }
 
@@ -103,7 +105,8 @@ fun RecentFileItem.toRecentFileEntity(): RecentFileEntity {
         sourceFolderUri = this.sourceFolderUri,
         isReflowPreferred = this.isReflowPreferred,
         customName = this.customName,
-        highlights = this.highlightsJson
+        highlights = this.highlightsJson,
+        fileSize = this.fileSize
     )
 }
 

app/src/main/java/com/aryan/reader/data/RecentFilesRepository.kt

@@ -130,7 +130,8 @@ class RecentFilesRepository(private val context: Context) {
                 isRecent = item.isRecent,
                 isDeleted = item.isDeleted,
                 sourceFolderUri = item.sourceFolderUri ?: existingItem.sourceFolderUri,
-                highlights = item.highlightsJson ?: existingItem.highlights
+                highlights = item.highlightsJson ?: existingItem.highlights,
+                fileSize = if (item.fileSize > 0) item.fileSize else existingItem.fileSize
             )
         } else {
             item.toRecentFileEntity()

app/src/main/java/com/aryan/reader/epub/SingleFileImporter.kt

@@ -35,6 +35,7 @@ import kotlinx.coroutines.withContext
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import org.jsoup.Jsoup
+import org.zwobble.mammoth.DocumentConverter
 import timber.log.Timber
 import java.io.File
 import java.io.FileOutputStream
@@ -55,6 +56,7 @@ class SingleFileImporter(private val context: Context) {
             FileType.MD -> parseMarkdown(inputStream, originalBookNameHint, bookId, parseContent)
             FileType.TXT -> parsePlainText(inputStream, originalBookNameHint, bookId, parseContent)
             FileType.HTML -> parseHtml(inputStream, originalBookNameHint, bookId, parseContent)
+            FileType.DOCX -> parseDocx(inputStream, originalBookNameHint, bookId, parseContent)
             else -> parsePlainText(inputStream, originalBookNameHint, bookId, parseContent)
         }
     }
@@ -548,6 +550,68 @@ class SingleFileImporter(private val context: Context) {
         return@withContext book
     }
 
+    private suspend fun parseDocx(
+        inputStream: InputStream,
+        originalBookNameHint: String,
+        bookId: String,
+        parseContent: Boolean
+    ): EpubBook = withContext(Dispatchers.IO) {
+        if (!parseContent) {
+            return@withContext EpubBook(
+                fileName = originalBookNameHint,
+                title = originalBookNameHint.substringBeforeLast("."),
+                author = "Unknown",
+                language = "en",
+                coverImage = null,
+                chapters = emptyList(),
+                chaptersForPagination = emptyList(),
+                images = emptyList(),
+                pageList = emptyList(),
+                extractionBasePath = "",
+                css = emptyMap()
+            )
+        }
+
+        val extractionDir = File(context.cacheDir, "imported_file_$bookId").apply {
+            if (!exists()) mkdirs()
+        }
+        val metadataFile = File(extractionDir, "book_metadata.json")
+
+        if (metadataFile.exists()) {
+            try {
+                val cachedBook = jsonSerializer.decodeFromString<EpubBook>(metadataFile.readText())
+                Timber.tag("FileOpenPerf").d("[DOCX] Loaded from cache instantly | bookId=$bookId")
+                return@withContext cachedBook
+            } catch (e: Exception) {
+                Timber.e(e, "Failed to load cached DOCX, parsing again")
+            }
+        }
+
+        val parseStart = System.currentTimeMillis()
+        Timber.tag("FileOpenPerf").d("[DOCX] parseDocx START | file=$originalBookNameHint")
+
+        val converter = DocumentConverter()
+        val result = converter.convertToHtml(inputStream)
+        val htmlContent = result.value ?: ""
+
+        Timber.tag("FileOpenPerf").d("[DOCX] parseDocx: mammoth conversion done | elapsed=${System.currentTimeMillis() - parseStart}ms")
+
+        val fullHtml = """
+            <!DOCTYPE html>
+            <html>
+            <head>
+                <title>${originalBookNameHint.substringBeforeLast(".")}</title>
+            </head>
+            <body>
+            $htmlContent
+            </body>
+            </html>
+        """.trimIndent()
+
+        // 4. Delegate to the already built HTML caching and chunking mechanisms!
+        return@withContext parseHtml(fullHtml.byteInputStream(), originalBookNameHint, bookId, parseContent)
+    }
+
     private fun writeHtmlChapter(
         extractionDir: File,
         bookId: String,

app/src/main/java/com/aryan/reader/epubreader/EpubReaderControls.kt

@@ -82,6 +82,7 @@ import androidx.compose.material.icons.filled.PlayArrow
 import androidx.compose.material.icons.filled.Remove
 import androidx.compose.material.icons.filled.Search
 import androidx.compose.material.icons.filled.SwapHoriz
+import androidx.compose.material.icons.filled.Visibility
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
@@ -155,6 +156,7 @@ fun EpubReaderTopBar(
     onOpenDeviceVoiceSettings: () -> Unit,
     onOpenDictionarySettings: () -> Unit,
     onOpenThemeSettings: () -> Unit,
+    onOpenVisualOptions: () -> Unit,
     searchFocusRequester: androidx.compose.ui.focus.FocusRequester,
     modifier: Modifier = Modifier,
     onToggleReflow: (() -> Unit)? = null,
@@ -346,6 +348,18 @@ fun EpubReaderTopBar(
                             )
                             HorizontalDivider()
 
+                            DropdownMenuItem(
+                                text = { Text("Visual Options") },
+                                onClick = {
+                                    showMoreMenu = false
+                                    onOpenVisualOptions()
+                                },
+                                leadingIcon = {
+                                    Icon(Icons.Default.Visibility, contentDescription = null, modifier = Modifier.size(20.dp))
+                                }
+                            )
+                            HorizontalDivider()
+
                             DropdownMenuItem(
                                 text = { Text("Auto Scroll") },
                                 enabled = !isTtsActive && currentRenderMode == RenderMode.VERTICAL_SCROLL,
@@ -357,7 +371,6 @@ fun EpubReaderTopBar(
 
                             HorizontalDivider()
 
-                            // *** ADDITION START ***
                             DropdownMenuItem(
                                 text = { Text("TTS Voice Settings") },
                                 onClick = {

app/src/main/java/com/aryan/reader/epubreader/EpubReaderScreen.kt

@@ -460,6 +460,7 @@ fun EpubReaderHost(
     val searchFocusRequester = remember { FocusRequester() }
     val containerFocusRequester = remember { FocusRequester() }
     var isNavigatingToPosition by remember { mutableStateOf(false) }
+    var isSeamlessTransitioning by remember { mutableStateOf(false) }
 
     var isPageSliderVisible by remember { mutableStateOf(false) }
     var sliderCurrentPage by remember { mutableFloatStateOf(0f) }
@@ -476,6 +477,11 @@ fun EpubReaderHost(
 
     val snackbarHostState = remember { SnackbarHostState() }
 
+    var systemUiMode by remember { mutableStateOf(loadSystemUiMode(context)) }
+    var pageInfoMode by remember { mutableStateOf(loadPageInfoMode(context)) }
+    var pullToTurnEnabled by remember { mutableStateOf(loadPullToTurn(context)) }
+    var showVisualOptionsSheet by remember { mutableStateOf(false) }
+
     var volumeScrollEnabled by remember {
         mutableStateOf(loadVolumeScrollSetting(context))
     }
@@ -1354,7 +1360,8 @@ fun EpubReaderHost(
         showBars = showBars,
         initialIsAppearanceLightStatusBars = initialIsAppearanceLightStatusBars,
         initialSystemBarsBehavior = initialSystemBarsBehavior,
-        isDarkTheme = isDarkTheme
+        isDarkTheme = isDarkTheme,
+        systemUiMode = systemUiMode
     )
 
     var isPagerInitialized by remember(initialLocator) { mutableStateOf(initialLocator == null) }
@@ -1433,6 +1440,17 @@ fun EpubReaderHost(
         }
     }
 
+    val pageInfoBottomPadding by androidx.compose.animation.core.animateDpAsState(
+        targetValue = if (showBars && pageInfoMode == PageInfoMode.SYNC) 45.dp else 0.dp,
+        label = "PageInfoBottomPadding"
+    )
+
+    val isPageInfoVisible = when (pageInfoMode) {
+        PageInfoMode.DEFAULT -> !showBars
+        PageInfoMode.SYNC -> showBars
+        PageInfoMode.HIDDEN -> false
+    }
+
     LaunchedEffect(bookmarks, paginator) {
         paginator ?: return@LaunchedEffect
         val bookPaginator = paginator as? BookPaginator
@@ -1974,11 +1992,37 @@ fun EpubReaderHost(
             snackbarHost = { SnackbarHost(snackbarHostState) },
             contentWindowInsets = WindowInsets.statusBars,
         ) { scaffoldPaddingValues ->
+            val currentTopPadding = scaffoldPaddingValues.calculateTopPadding()
+            var stableTopPadding by remember { mutableStateOf(0.dp) }
+            if (currentTopPadding > stableTopPadding) {
+                stableTopPadding = currentTopPadding
+            }
+
+            val effectiveTopPadding = if (currentRenderMode == RenderMode.PAGINATED) {
+                if (systemUiMode == SystemUiMode.HIDDEN) {
+                    0.dp
+                } else {
+                    val insets = androidx.core.view.ViewCompat.getRootWindowInsets(view)
+                    val ignoringVisibilityTopPx = insets?.getInsetsIgnoringVisibility(androidx.core.view.WindowInsetsCompat.Type.statusBars())?.top ?: 0
+                    val ignoringVisibilityTop = with(density) { ignoringVisibilityTopPx.toDp() }
+
+                    if (ignoringVisibilityTop > 0.dp) {
+                        ignoringVisibilityTop
+                    } else if (stableTopPadding > 0.dp) {
+                        stableTopPadding
+                    } else {
+                        24.dp
+                    }
+                }
+            } else {
+                currentTopPadding
+            }
+
             Box(
                 modifier = Modifier
                     .fillMaxSize()
                     .background(effectiveBg)
-                    .padding(scaffoldPaddingValues)
+                    .padding(top = effectiveTopPadding)
                     .focusRequester(containerFocusRequester)
                     .focusable()
                     .volumeScrollHandler(
@@ -2031,10 +2075,16 @@ fun EpubReaderHost(
             ) {
                 when (currentRenderMode) {
                     RenderMode.VERTICAL_SCROLL -> {
+                        val contentBottomPadding = if (showBars || showFormatAdjustmentBars) {
+                            0.dp
+                        } else {
+                            if (pageInfoMode == PageInfoMode.DEFAULT) PAGE_INFO_BAR_HEIGHT else 0.dp
+                        }
+
                         Box(
                             modifier = Modifier
                                 .fillMaxSize()
-                                .padding(bottom = if (showBars || showFormatAdjustmentBars) 0.dp else PAGE_INFO_BAR_HEIGHT)
+                                .padding(bottom = contentBottomPadding)
                                 .padding(top = 16.dp, start = 16.dp, end = 16.dp)
                                 .testTag("ReaderContainer")
                         ) {
@@ -2049,6 +2099,9 @@ fun EpubReaderHost(
                                 AnimatedContent(
                                     targetState = currentChapterIndex,
                                     transitionSpec = {
+                                        if (!pullToTurnEnabled) {
+                                            fadeIn(animationSpec = tween(150)) togetherWith fadeOut(animationSpec = tween(150))
+                                        } else {
                                             if (targetState > initialState) {
                                                 (slideInVertically { height -> height } + fadeIn())
                                                     .togetherWith(slideOutVertically { height -> -height } + fadeOut())
@@ -2056,6 +2109,7 @@ fun EpubReaderHost(
                                                 (slideInVertically { height -> -height } + fadeIn())
                                                     .togetherWith(slideOutVertically { height -> height } + fadeOut())
                                             }
+                                        }
                                     },
                                     label = "ChapterChangeAnimation",
                                     modifier = Modifier.fillMaxSize()
@@ -2159,9 +2213,7 @@ fun EpubReaderHost(
                                                 .mapNotNull { it.fragmentId }
                                         }
 
-                                        @Suppress("KotlinConstantConditions",
+                                        @Suppress("ControlFlowWithEmptyBody")
-                                            "ControlFlowWithEmptyBody"
-                                        )
                                         ChapterWebView(
                                             key = chapterKeyForWebView,
                                             chapterTitle = chapterToRender.title,
@@ -2292,19 +2344,48 @@ fun EpubReaderHost(
                                                 }
                                             },
                                             onOverScrollTop = { dragAmount ->
+                                                if (pullToTurnEnabled) {
                                                     if (targetChapterIndex > 0) {
-                                                    pullToPrevProgress =
+                                                        pullToPrevProgress = dragAmount / dragThresholdPx
-                                                        dragAmount / dragThresholdPx
+                                                    }
+                                                } else {
+                                                    if (targetChapterIndex > 0 && dragAmount > 20f && !isSeamlessTransitioning) {
+                                                        isSeamlessTransitioning = true
+                                                        webViewRefForTts?.evaluateJavascript("javascript:CfiBridge.onCfiExtracted(window.getCurrentCfi());", null)
+                                                        scope.launch {
+                                                            delay(20)
+                                                            initialScrollTargetForChapter = ChapterScrollPosition.END
+                                                            currentChapterIndex--
+                                                            if (showBars) showBars = false
+                                                            delay(300)
+                                                            isSeamlessTransitioning = false
+                                                        }
+                                                    }
                                                 }
                                             },
                                             onOverScrollBottom = { dragAmount ->
+                                                if (pullToTurnEnabled) {
                                                     if (targetChapterIndex < chapters.size - 1) {
-                                                    pullToNextProgress =
+                                                        pullToNextProgress = dragAmount / dragThresholdPx
-                                                        dragAmount / dragThresholdPx
+                                                    }
+                                                } else {
+                                                    if (targetChapterIndex < chapters.size - 1 && dragAmount > 20f && !isSeamlessTransitioning) {
+                                                        isSeamlessTransitioning = true
+                                                        webViewRefForTts?.evaluateJavascript("javascript:CfiBridge.onCfiExtracted(window.getCurrentCfi());", null)
+                                                        scope.launch {
+                                                            delay(20)
+                                                            initialScrollTargetForChapter = ChapterScrollPosition.START
+                                                            currentScrollYPosition = 0
+                                                            currentChapterIndex++
+                                                            if (showBars) showBars = false
+                                                            delay(300)
+                                                            isSeamlessTransitioning = false
+                                                        }
+                                                    }
                                                 }
                                             },
                                             onReleaseOverScrollTop = {
-                                                if (targetChapterIndex > 0 && pullToPrevProgress >= 1.0f) {
+                                                if (pullToTurnEnabled && targetChapterIndex > 0 && pullToPrevProgress >= 1.0f) {
                                                     Timber.d("Swipe-up triggered. Saving position before changing to previous chapter."
                                                     )
                                                     webViewRefForTts?.evaluateJavascript(
@@ -2324,7 +2405,7 @@ fun EpubReaderHost(
                                                 pullToPrevProgress = 0f
                                             },
                                             onReleaseOverScrollBottom = {
-                                                if (targetChapterIndex < chapters.size - 1 && pullToNextProgress >= 1.0f) {
+                                                if (pullToTurnEnabled && targetChapterIndex < chapters.size - 1 && pullToNextProgress >= 1.0f) {
                                                     Timber.d("Swipe-down triggered. Saving position before changing to next chapter."
                                                     )
                                                     webViewRefForTts?.evaluateJavascript(
@@ -2672,7 +2753,7 @@ fun EpubReaderHost(
                                     }
                                 }
 
-                                if (currentChapterIndex > 0) {
+                                if (pullToTurnEnabled && currentChapterIndex > 0) {
                                     ChapterChangeIndicator(
                                         text = "Release for Previous Chapter",
                                         progress = pullToPrevProgress,
@@ -2683,7 +2764,7 @@ fun EpubReaderHost(
                                     )
                                 }
 
-                                if (currentChapterIndex < chapters.size - 1) {
+                                if (pullToTurnEnabled && currentChapterIndex < chapters.size - 1) {
                                     ChapterChangeIndicator(
                                         text = "Release for Next Chapter",
                                         progress = pullToNextProgress,
@@ -2698,13 +2779,14 @@ fun EpubReaderHost(
                     }
 
                     RenderMode.PAGINATED -> {
+                        val contentBottomPadding = if (pageInfoMode != PageInfoMode.HIDDEN) PAGE_INFO_BAR_HEIGHT else 0.dp
+
                         BoxWithConstraints(
                             modifier = Modifier
                                 .fillMaxSize()
-                                .padding(bottom = PAGE_INFO_BAR_HEIGHT)
+                                .padding(bottom = contentBottomPadding)
                                 .testTag("ReaderContainer")
                         ) {
-                            @Suppress("KotlinConstantConditions")
                             PaginatedReaderScreen(
                                 book = epubBook,
                                 isDarkTheme = isDarkTheme,
@@ -2992,7 +3074,7 @@ fun EpubReaderHost(
 
                 // Page Info Bar (Vertical)
                 AnimatedVisibility(
-                    visible = renderMode == RenderMode.VERTICAL_SCROLL && !showBars,
+                    visible = renderMode == RenderMode.VERTICAL_SCROLL && isPageInfoVisible,
                     enter = fadeIn(animationSpec = tween(200)),
                     exit = fadeOut(animationSpec = tween(200)),
                     modifier = Modifier.align(Alignment.BottomCenter)
@@ -3002,7 +3084,7 @@ fun EpubReaderHost(
                             .fillMaxWidth()
                             .height(PAGE_INFO_BAR_HEIGHT)
                             .background(infoBarBgColor)
-                            .padding(bottom = bottomPadding)
+                            .padding(bottom = bottomPadding + pageInfoBottomPadding)
                             .padding(horizontal = 16.dp),
                         contentAlignment = Alignment.Center
                     ) {
@@ -3035,7 +3117,7 @@ fun EpubReaderHost(
 
                 // Page Info Bar (Paginated)
                 AnimatedVisibility(
-                    visible = renderMode == RenderMode.PAGINATED && paginator != null && !showBars && paginatedPagerState.pageCount > 0,
+                    visible = renderMode == RenderMode.PAGINATED && paginator != null && isPageInfoVisible && paginatedPagerState.pageCount > 0,
                     enter = fadeIn(animationSpec = tween(200)),
                     exit = fadeOut(animationSpec = tween(200)),
                     modifier = Modifier.align(Alignment.BottomCenter)
@@ -3045,7 +3127,7 @@ fun EpubReaderHost(
                             .fillMaxWidth()
                             .height(PAGE_INFO_BAR_HEIGHT)
                             .background(infoBarBgColor)
-                            .padding(bottom = bottomPadding)
+                            .padding(bottom = bottomPadding + pageInfoBottomPadding)
                             .padding(horizontal = 16.dp),
                         contentAlignment = Alignment.Center
                     ) {
@@ -3400,6 +3482,7 @@ fun EpubReaderHost(
                     onOpenDictionarySettings = { showDictionarySettingsSheet = true },
                     onOpenDeviceVoiceSettings = { showDeviceVoiceSettingsSheet = true },
                     onOpenThemeSettings = { showThemePanel = true },
+                    onOpenVisualOptions = { showVisualOptionsSheet = true },
                     onToggleReflow = if (onToggleReflow != null) {
                         {
                             val activeChapter = if (currentRenderMode == RenderMode.PAGINATED) {
@@ -3950,6 +4033,27 @@ fun EpubReaderHost(
             )
         }
 
+        if (showVisualOptionsSheet) {
+            VisualOptionsSheet(
+                systemUiMode = systemUiMode,
+                onSystemUiModeChange = {
+                    systemUiMode = it
+                    saveSystemUiMode(context, it)
+                },
+                pageInfoMode = pageInfoMode,
+                onPageInfoModeChange = {
+                    pageInfoMode = it
+                    savePageInfoMode(context, it)
+                },
+                pullToTurnEnabled = pullToTurnEnabled,
+                onPullToTurnChange = {
+                    pullToTurnEnabled = it
+                    savePullToTurn(context, it)
+                },
+                onDismiss = { showVisualOptionsSheet = false }
+            )
+        }
+
         if (showFontSelectionSheet) {
             ModalBottomSheet(
                 onDismissRequest = { showFontSelectionSheet = false },

app/src/main/java/com/aryan/reader/epubreader/EpubReaderSettings.kt

@@ -91,6 +91,12 @@ import androidx.core.content.edit
 import com.aryan.reader.R
 import com.aryan.reader.data.CustomFontEntity
 import java.io.File
+import androidx.compose.material3.Switch
+import androidx.compose.material3.ModalBottomSheet
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.rememberModalBottomSheetState
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.navigationBars
 
 const val SETTINGS_PREFS_NAME = "epub_reader_settings"
 private const val TEXT_ALIGN_KEY = "reader_text_align"
@@ -100,6 +106,9 @@ private const val AUTO_SCROLL_SPEED_KEY = "reader_auto_scroll_speed"
 private const val FONT_FAMILY_KEY = "reader_font_family"
 private const val TAP_TO_NAVIGATE_ENABLED_KEY = "tap_to_navigate_enabled"
 private const val VOLUME_SCROLL_ENABLED_KEY = "volume_scroll_enabled"
+private const val SYSTEM_UI_MODE_KEY = "reader_system_ui_mode"
+private const val PAGE_INFO_MODE_KEY = "reader_page_info_mode"
+private const val PULL_TO_TURN_ENABLED_KEY = "reader_pull_to_turn_enabled"
 
 const val DEFAULT_FONT_SIZE_VAL = 1.0f
 const val DEFAULT_LINE_HEIGHT_VAL = 1.6f
@@ -119,6 +128,18 @@ enum class ReaderTextAlign(val id: String, val cssValue: String, val iconResId:
     JUSTIFY("justify", "justify", R.drawable.format_align_justify, "Justify")
 }
 
+enum class SystemUiMode(val id: Int, val title: String) {
+    DEFAULT(0, "Always Show"),
+    SYNC(1, "Sync with Menus"),
+    HIDDEN(2, "Always Hide")
+}
+
+enum class PageInfoMode(val id: Int, val title: String) {
+    DEFAULT(0, "Always Show"),
+    SYNC(1, "Sync with Menus"),
+    HIDDEN(2, "Always Hide")
+}
+
 data class FormatSettings(
     val fontSize: Float,
     val lineHeight: Float,
@@ -165,6 +186,38 @@ fun saveLocalReaderSettings(
     }
 }
 
+fun saveSystemUiMode(context: Context, mode: SystemUiMode) {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    prefs.edit { putInt(SYSTEM_UI_MODE_KEY, mode.id) }
+}
+
+fun loadSystemUiMode(context: Context): SystemUiMode {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    val id = prefs.getInt(SYSTEM_UI_MODE_KEY, SystemUiMode.DEFAULT.id)
+    return SystemUiMode.entries.find { it.id == id } ?: SystemUiMode.DEFAULT
+}
+
+fun savePageInfoMode(context: Context, mode: PageInfoMode) {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    prefs.edit { putInt(PAGE_INFO_MODE_KEY, mode.id) }
+}
+
+fun loadPageInfoMode(context: Context): PageInfoMode {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    val id = prefs.getInt(PAGE_INFO_MODE_KEY, PageInfoMode.DEFAULT.id)
+    return PageInfoMode.entries.find { it.id == id } ?: PageInfoMode.DEFAULT
+}
+
+fun savePullToTurn(context: Context, enabled: Boolean) {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    prefs.edit { putBoolean(PULL_TO_TURN_ENABLED_KEY, enabled) }
+}
+
+fun loadPullToTurn(context: Context): Boolean {
+    val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
+    return prefs.getBoolean(PULL_TO_TURN_ENABLED_KEY, true)
+}
+
 fun loadFormatSettings(context: Context, bookId: String, isLocal: Boolean): FormatSettings {
     val prefs = context.getSharedPreferences(SETTINGS_PREFS_NAME, Context.MODE_PRIVATE)
 
@@ -592,3 +645,127 @@ fun FontSelectionSheetContent(
         }
     }
 }
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun VisualOptionsSheet(
+    systemUiMode: SystemUiMode,
+    onSystemUiModeChange: (SystemUiMode) -> Unit,
+    pageInfoMode: PageInfoMode,
+    onPageInfoModeChange: (PageInfoMode) -> Unit,
+    pullToTurnEnabled: Boolean,
+    onPullToTurnChange: (Boolean) -> Unit,
+    onDismiss: () -> Unit
+) {
+    val sheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true)
+    ModalBottomSheet(
+        onDismissRequest = onDismiss,
+        sheetState = sheetState,
+        containerColor = MaterialTheme.colorScheme.surface,
+        contentWindowInsets = { WindowInsets.navigationBars }
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 24.dp, vertical = 8.dp)
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text("Visual Options", style = MaterialTheme.typography.titleLarge, fontWeight = FontWeight.Bold)
+                IconButton(onClick = onDismiss) {
+                    Icon(Icons.Default.Close, contentDescription = "Close")
+                }
+            }
+            Spacer(modifier = Modifier.height(16.dp))
+
+            // System UI
+            Text("System UI (Status & Navigation Bars)", style = MaterialTheme.typography.titleMedium)
+            Text("Control the visibility of the device's system bars.", style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
+            Spacer(modifier = Modifier.height(12.dp))
+            OptionSegmentedControl(
+                options = SystemUiMode.entries,
+                selectedOption = systemUiMode,
+                onOptionSelected = onSystemUiModeChange,
+                getLabel = { it.title }
+            )
+
+            Spacer(modifier = Modifier.height(24.dp))
+
+            // Progress Bar
+            Text("Progress Bar", style = MaterialTheme.typography.titleMedium)
+            Text("The reading progress and chapter indicator at the bottom of the screen.", style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
+            Spacer(modifier = Modifier.height(12.dp))
+            OptionSegmentedControl(
+                options = PageInfoMode.entries,
+                selectedOption = pageInfoMode,
+                onOptionSelected = onPageInfoModeChange,
+                getLabel = { it.title }
+            )
+
+            Spacer(modifier = Modifier.height(24.dp))
+
+            // Pull to change chapter
+            Surface(
+                shape = RoundedCornerShape(12.dp),
+                color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .clickable { onPullToTurnChange(!pullToTurnEnabled) }
+            ) {
+                Row(
+                    modifier = Modifier.padding(16.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.SpaceBetween
+                ) {
+                    Column(modifier = Modifier.weight(1f)) {
+                        Text("Seamless Chapter Transition", style = MaterialTheme.typography.titleMedium)
+                        Text("Instantly load the next/previous chapter when scrolling past the end, without the pull-to-refresh animation.", style = MaterialTheme.typography.bodySmall, color = MaterialTheme.colorScheme.onSurfaceVariant)
+                    }
+                    Spacer(modifier = Modifier.width(16.dp))
+                    Switch(checked = !pullToTurnEnabled, onCheckedChange = { onPullToTurnChange(!it) })
+                }
+            }
+
+            Spacer(modifier = Modifier.height(32.dp))
+        }
+    }
+}
+
+@Composable
+fun <T> OptionSegmentedControl(
+    options: List<T>,
+    selectedOption: T,
+    onOptionSelected: (T) -> Unit,
+    getLabel: (T) -> String
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .background(MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f), RoundedCornerShape(12.dp))
+            .padding(4.dp),
+        horizontalArrangement = Arrangement.spacedBy(4.dp)
+    ) {
+        options.forEach { option ->
+            val isSelected = option == selectedOption
+            Box(
+                modifier = Modifier
+                    .weight(1f)
+                    .clip(RoundedCornerShape(8.dp))
+                    .background(if (isSelected) MaterialTheme.colorScheme.primary else Color.Transparent)
+                    .clickable { onOptionSelected(option) }
+                    .padding(vertical = 10.dp, horizontal = 4.dp),
+                contentAlignment = Alignment.Center
+            ) {
+                Text(
+                    text = getLabel(option),
+                    style = MaterialTheme.typography.labelSmall,
+                    color = if (isSelected) MaterialTheme.colorScheme.onPrimary else MaterialTheme.colorScheme.onSurfaceVariant,
+                    textAlign = TextAlign.Center
+                )
+            }
+        }
+    }
+}

app/src/main/java/com/aryan/reader/epubreader/EpubReaderSystem.kt

@@ -42,7 +42,8 @@ fun EpubReaderSystemUiController(
     showBars: Boolean,
     initialIsAppearanceLightStatusBars: Boolean,
     initialSystemBarsBehavior: Int,
-    isDarkTheme: Boolean
+    isDarkTheme: Boolean,
+    systemUiMode: SystemUiMode
 ) {
     DisposableEffect(window, view, initialIsAppearanceLightStatusBars, initialSystemBarsBehavior) {
         if (window == null) {
@@ -53,13 +54,12 @@ fun EpubReaderSystemUiController(
         Timber.d("Applying immersive mode.")
 
         WindowCompat.setDecorFitsSystemWindows(window, false)
-        insetsController.hide(WindowInsetsCompat.Type.navigationBars())
         insetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
 
         onDispose {
             Timber.d("Restoring system UI.")
             WindowCompat.setDecorFitsSystemWindows(window, true)
-            insetsController.show(WindowInsetsCompat.Type.navigationBars())
+            insetsController.show(WindowInsetsCompat.Type.navigationBars() or WindowInsetsCompat.Type.statusBars())
             insetsController.isAppearanceLightStatusBars = initialIsAppearanceLightStatusBars
             insetsController.systemBarsBehavior = initialSystemBarsBehavior
         }
@@ -72,13 +72,25 @@ fun EpubReaderSystemUiController(
         }
     }
 
-    LaunchedEffect(showBars, window, view) {
+    LaunchedEffect(showBars, systemUiMode, window, view) {
         if (window != null) {
             val insetsController = WindowCompat.getInsetsController(window, view)
+            when (systemUiMode) {
+                SystemUiMode.DEFAULT -> {
+                    insetsController.show(WindowInsetsCompat.Type.statusBars())
+                    if (showBars) insetsController.show(WindowInsetsCompat.Type.navigationBars())
+                    else insetsController.hide(WindowInsetsCompat.Type.navigationBars())
+                }
+                SystemUiMode.SYNC -> {
                     if (showBars) {
-                insetsController.show(WindowInsetsCompat.Type.navigationBars())
+                        insetsController.show(WindowInsetsCompat.Type.statusBars() or WindowInsetsCompat.Type.navigationBars())
                     } else {
-                insetsController.hide(WindowInsetsCompat.Type.navigationBars())
+                        insetsController.hide(WindowInsetsCompat.Type.statusBars() or WindowInsetsCompat.Type.navigationBars())
+                    }
+                }
+                SystemUiMode.HIDDEN -> {
+                    insetsController.hide(WindowInsetsCompat.Type.statusBars() or WindowInsetsCompat.Type.navigationBars())
+                }
             }
         }
     }

app/src/main/java/com/aryan/reader/paginatedreader/data/BookCacheDatabase.kt

@@ -148,10 +148,29 @@ abstract class BookCacheDao {
     @Query("DELETE FROM processed_chapter_metadata")
     protected abstract suspend fun deleteAllChapterMetadata()
 
+    @Query("DELETE FROM configuration_cache WHERE bookId = :bookId")
+    abstract suspend fun deleteConfigurationCacheForBook(bookId: String)
+
+    @Transaction
+    open suspend fun deleteEntireBookCache(bookId: String) {
+        deleteBook(bookId)
+        deleteChaptersForBook(bookId)
+        deleteAnchorsForBook(bookId)
+        deleteConfigurationCacheForBook(bookId)
+    }
+
+    @Query("DELETE FROM anchor_index")
+    abstract suspend fun clearAnchors()
+
+    @Query("DELETE FROM configuration_cache")
+    abstract suspend fun clearConfigurationCache()
+
     @Transaction
     open suspend fun clearAllCache() {
         clearProcessedBooks()
         clearProcessedChapters()
+        clearAnchors()
+        clearConfigurationCache()
     }
 
     @Query("SELECT * FROM configuration_cache WHERE bookId = :bookId AND configHash = :configHash")

app/src/main/java/com/aryan/reader/pdf/PdfViewerScreen.kt

@@ -5970,6 +5970,7 @@ fun PdfViewerScreen(
                             }
 
                             // AI feat
+                            if (BuildConfig.FLAVOR != "oss") {
                                 Box {
                                     var showAiFeaturesMenu by remember { mutableStateOf(false) }
                                     TooltipIconButton(
@@ -5993,12 +5994,12 @@ fun PdfViewerScreen(
                                                 if (isProUser) {
                                                     showSummarizationPopup = true
                                                     coroutineScope.launch {
-                                                    isSummarizationLoading = true
+                                                        isAiDefinitionLoading = true
                                                         summarizationResult = null
                                                         summarizeCurrentPage(onUpdate = { result ->
                                                             summarizationResult = result
                                                         }, onFinish = {
-                                                        isSummarizationLoading = false
+                                                            isAiDefinitionLoading = false
                                                         })
                                                     }
                                                 } else {
@@ -6008,6 +6009,7 @@ fun PdfViewerScreen(
                                         )
                                     }
                                 }
+                            }
 
                             // Edit Button
                             TooltipIconButton(