0.9.6 - UI(New themes appearance, Up to date Material3 components, General UI improvements, New color roles) + Fixed terrible scrolling lag in LibraryScreen + Loading async cover image animation + Tooltips for each IconButton + ThemeContrast option(changes contrast of the theme)

app/build.gradle.kts

@@ -15,7 +15,7 @@ android {
         minSdk = 26
         targetSdk = 34
         versionCode = 1
-        versionName = "0.9.3"
+        versionName = "0.9.6"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -66,13 +66,19 @@ dependencies {
     implementation("androidx.activity:activity-compose:1.8.2")
 
     // Compose BOM libraries
-    implementation(platform("androidx.compose:compose-bom:2024.01.00"))
+    implementation(platform("androidx.compose:compose-bom:2024.03.00"))
+    implementation("androidx.compose.foundation:foundation")
+    implementation("androidx.compose.animation:animation")
+    implementation("androidx.compose.animation:animation-core")
+    implementation("androidx.compose.animation:animation-graphics")
+    implementation("androidx.compose.foundation:foundation-layout")
     implementation("androidx.compose.ui:ui")
     implementation("androidx.compose.ui:ui-graphics")
     implementation("androidx.compose.ui:ui-tooling-preview")
     implementation("androidx.compose.ui:ui-android")
-    implementation("androidx.compose.material3:material3")
+    implementation("androidx.compose.material3:material3:latest.release")
     implementation("androidx.compose.material3:material3-window-size-class")
+    implementation("androidx.compose.material:material-icons-extended")
     implementation("androidx.compose.material:material")
 
     // Unit tests
@@ -84,7 +90,7 @@ dependencies {
     testImplementation("androidx.test.ext:truth:1.5.0")
     testImplementation("com.squareup.okhttp3:mockwebserver:latest.release")
     testImplementation("io.mockk:mockk:latest.release")
-    debugImplementation("androidx.compose.ui:ui-test-manifest:1.6.3")
+    debugImplementation("androidx.compose.ui:ui-test-manifest:1.6.4")
 
     // Instrumentation tests
     androidTestImplementation("com.google.dagger:hilt-android-testing:latest.release")
@@ -100,7 +106,6 @@ dependencies {
 
     // All dependencies
     implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.7.0")
-    implementation("androidx.compose.material:material-icons-extended")
     implementation("com.google.accompanist:accompanist-swiperefresh:0.24.2-alpha")
 
     // Dagger - Hilt

app/src/main/java/ua/acclorite/book_story/Activity.kt

@@ -38,6 +38,7 @@ import ua.acclorite.book_story.presentation.screens.book_info.BookInfoScreen
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
 import ua.acclorite.book_story.presentation.screens.browse.BrowseScreen
 import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
+import ua.acclorite.book_story.presentation.screens.help.HelpScreen
 import ua.acclorite.book_story.presentation.screens.history.HistoryScreen
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
 import ua.acclorite.book_story.presentation.screens.library.LibraryScreen
@@ -111,7 +112,8 @@ class Activity : AppCompatActivity() {
             if (isLoaded) {
                 BooksHistoryResurrectionTheme(
                     theme = state.theme!!,
-                    isDark = state.darkTheme!!.isDark()
+                    isDark = state.darkTheme!!.isDark(),
+                    themeContrast = state.themeContrast!!
                 ) {
                     NavigationHost(startScreen = Screen.LIBRARY) {
                         val currentScreen by this.getCurrentScreen().collectAsState()
@@ -269,6 +271,14 @@ class Activity : AppCompatActivity() {
                         ) {
                             AboutScreen(navigator = this@NavigationHost)
                         }
+                        // Help screen
+                        composable(
+                            screen = Screen.HELP,
+                            enterAnim = Transitions.SlidingTransitionIn,
+                            exitAnim = Transitions.SlidingTransitionOut
+                        ) {
+                            HelpScreen(navigator = this@NavigationHost)
+                        }
 
 //                        Start screen (later)
 //                        composable(screen = Screen.START) {

app/src/main/java/ua/acclorite/book_story/data/local/dto/BookEntity.kt

@@ -6,11 +6,11 @@ import ua.acclorite.book_story.domain.model.Category
 
 @Entity
 data class BookEntity(
-    @PrimaryKey(true) val id: Int? = null,
+    @PrimaryKey(true) val id: Int = 0,
     val title: String,
     val author: String?,
     val description: String?,
-    val text: String,
+    val textPath: String,
     val filePath: String,
     val scrollIndex: Int,
     val scrollOffset: Int,

app/src/main/java/ua/acclorite/book_story/data/local/dto/HistoryEntity.kt

@@ -6,7 +6,7 @@ import androidx.room.PrimaryKey
 @Entity
 data class HistoryEntity(
     @PrimaryKey(true)
-    val id: Int? = null,
+    val id: Int = 0,
     val bookId: Int,
     val time: Long
 )

app/src/main/java/ua/acclorite/book_story/data/mapper/book/BookMapperImpl.kt

@@ -10,10 +10,6 @@ import javax.inject.Inject
 
 class BookMapperImpl @Inject constructor() : BookMapper {
     override suspend fun toBookEntity(book: Book): BookEntity {
-        val textAsString = book.text.joinToString("\n") {
-            it.line.trim()
-        }
-
         return BookEntity(
             id = book.id,
             title = book.title,
@@ -22,7 +18,7 @@ class BookMapperImpl @Inject constructor() : BookMapper {
             scrollOffset = book.scrollOffset,
             progress = book.progress,
             author = book.author.string,
-            text = textAsString,
+            textPath = book.textPath,
             description = book.description,
             image = if (book.coverImage != null) book.coverImage.toString() else null,
             category = book.category
@@ -43,6 +39,7 @@ class BookMapperImpl @Inject constructor() : BookMapper {
             scrollOffset = bookEntity.scrollOffset,
             progress = bookEntity.progress,
             file = if (file.exists()) file else null,
+            textPath = bookEntity.textPath,
             text = emptyList(),
             letters = 0,
             words = 0,

app/src/main/java/ua/acclorite/book_story/data/parser/epub/EpubFileParser.kt

@@ -45,10 +45,10 @@ class EpubFileParser @Inject constructor() : FileParser {
             }
 
             return Book(
-                id = null,
                 title = title,
                 author = author,
                 description = description?.toString(),
+                textPath = "",
                 text = emptyList(),
                 letters = 0,
                 words = 0,

app/src/main/java/ua/acclorite/book_story/data/parser/pdf/PdfFileParser.kt

@@ -33,10 +33,10 @@ class PdfFileParser @Inject constructor(private val application: Application) :
             document.close()
 
             return Book(
-                id = null,
                 title = title,
                 author = author,
                 description = description,
+                textPath = "",
                 text = emptyList(),
                 letters = 0,
                 words = 0,

app/src/main/java/ua/acclorite/book_story/data/parser/txt/TxtFileParser.kt

@@ -21,10 +21,10 @@ class TxtFileParser @Inject constructor() : FileParser {
             val author = UIText.StringResource(R.string.unknown_author)
 
             return Book(
-                id = null,
                 title = title,
                 author = author,
                 description = null,
+                textPath = "",
                 text = emptyList(),
                 letters = 0,
                 words = 0,

app/src/main/java/ua/acclorite/book_story/data/repository/BookRepositoryImpl.kt

@@ -4,6 +4,7 @@ import android.app.Application
 import android.graphics.Bitmap
 import android.net.Uri
 import android.os.Environment
+import android.util.Log
 import androidx.datastore.preferences.core.Preferences
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
@@ -46,35 +47,13 @@ class BookRepositoryImpl @Inject constructor(
 
 ) : BookRepository {
 
-    override suspend fun getBooks(query: String): Flow<Resource<List<Book>>> {
-        return flow {
-            emit(Resource.Loading(true))
-            val books = database.searchBooks(query)
-
-            emit(
-                Resource.Success(
-                    data = books.map { entity ->
-                        val book = bookMapper.toBook(entity)
-                        val lastHistory = database.getLatestHistoryForBook(
-                            book.id ?: -1
-                        )
-
-                        book.copy(
-                            lastOpened = lastHistory?.time
-                        )
-                    }
-                )
-            )
-        }
-    }
-
-    override suspend fun fastGetBooks(query: String): List<Book> {
+    override suspend fun getBooks(query: String): List<Book> {
         val books = database.searchBooks(query)
 
         return books.map { entity ->
             val book = bookMapper.toBook(entity)
             val lastHistory = database.getLatestHistoryForBook(
-                book.id ?: -1
+                book.id
             )
 
             book.copy(
@@ -89,7 +68,7 @@ class BookRepositoryImpl @Inject constructor(
         return books.map { entity ->
             val book = bookMapper.toBook(entity)
             val lastHistory = database.getLatestHistoryForBook(
-                book.id ?: -1
+                book.id
             )
 
             book.copy(
@@ -98,35 +77,73 @@ class BookRepositoryImpl @Inject constructor(
         }
     }
 
-    override suspend fun getBookTextById(bookId: Int): String {
-        val book = database.findBookById(bookId)
-        return book.text
+    override suspend fun getBookTextById(textPath: String): List<StringWithId> {
+        val textFile = File(textPath)
+
+        if (textPath.isBlank() || !textFile.exists()) {
+            Log.w("BOOK TEXT", "Failed to load file")
+            return emptyList()
+        }
+
+        val text = textParser.parse(textFile)
+
+        if (text.data.isNullOrEmpty()) {
+            return emptyList()
+        }
+
+        return text.data
     }
 
     override suspend fun insertBooks(
         books: List<Pair<Book, CoverImage?>>
-    ) {
+    ): Boolean {
         val filesDir = application.filesDir
         val coversDir = File(filesDir, "covers")
+        val booksDir = File(filesDir, "books")
 
         if (!coversDir.exists()) {
             coversDir.mkdirs()
         }
+        if (!booksDir.exists()) {
+            booksDir.mkdirs()
+        }
 
-        val booksWithCover = books.map {
-            var uri = ""
+        val booksWithCoverAndText = books.map {
+            var coverUri = ""
+            val textUri: String
+
+            if (it.first.text.isEmpty()) {
+                return false
+            }
+
+            try {
+                textUri = "${UUID.randomUUID()}.txt"
+                val text = File(booksDir, textUri)
+
+                withContext(Dispatchers.IO) {
+                    FileOutputStream(text).use { stream ->
+                        it.first.text.forEach { line ->
+                            stream.write(line.line.toByteArray())
+                            stream.write(System.lineSeparator().toByteArray())
+                        }
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+                return false
+            }
 
             if (it.second != null) {
                 try {
-                    uri = "${UUID.randomUUID()}.webp"
-                    val cover = File(coversDir, uri)
+                    coverUri = "${UUID.randomUUID()}.webp"
+                    val cover = File(coversDir, coverUri)
 
                     withContext(Dispatchers.IO) {
                         FileOutputStream(cover).use { stream ->
                             if (
-                                !it.second!!.compress(
+                                !it.second!!.copy(Bitmap.Config.RGB_565, false).compress(
                                     Bitmap.CompressFormat.WEBP,
-                                    30,
+                                    20,
                                     stream
                                 )
                             ) {
@@ -135,33 +152,34 @@ class BookRepositoryImpl @Inject constructor(
                         }
                     }
                 } catch (e: Exception) {
-                    uri = ""
+                    coverUri = ""
                     e.printStackTrace()
                 }
             }
 
+
             val book = it.first.copy(
-                coverImage = if (uri.isNotBlank()) {
-                    Uri.fromFile(File("$coversDir/$uri"))
+                textPath = "$booksDir/$textUri",
+                coverImage = if (coverUri.isNotBlank()) {
+                    Uri.fromFile(File("$coversDir/$coverUri"))
                 } else null
             )
 
             bookMapper.toBookEntity(book)
         }
 
-        database.insertBooks(booksWithCover)
+        database.insertBooks(booksWithCoverAndText)
+        return true
     }
 
     override suspend fun updateBooks(books: List<Book>) {
         // without text and cover image
         database.updateBooks(
             books.map {
-                val book = database.findBookById(it.id ?: return)
+                val book = database.findBookById(it.id)
                 bookMapper.toBookEntity(
                     it.copy(
-                        text = book.text
-                            .split("\n")
-                            .map { line -> StringWithId(line.trim()) },
+                        textPath = book.textPath,
                         coverImage = if (book.image != null) Uri.parse(book.image) else null
                     )
                 )
@@ -169,18 +187,66 @@ class BookRepositoryImpl @Inject constructor(
         )
     }
 
-    override suspend fun updateBooksWithText(books: List<Book>) {
+    override suspend fun updateBooksWithText(books: List<Book>): Boolean {
         // without cover image
-        database.updateBooks(
-            books.map {
-                val book = database.findBookById(it.id ?: return)
-                bookMapper.toBookEntity(
-                    it.copy(
-                        coverImage = if (book.image != null) Uri.parse(book.image) else null
-                    )
-                )
+        val filesDir = application.filesDir
+        val booksDir = File(filesDir, "books")
+
+        if (!booksDir.exists()) {
+            booksDir.mkdirs()
+        }
+
+        val booksWithText = books.map {
+            val textUri: String
+            val bookEntity = database.findBookById(it.id)
+
+            if (it.text.isEmpty()) {
+                return false
             }
+
+            try {
+                textUri = "${UUID.randomUUID()}.txt"
+                val text = File(booksDir, textUri)
+
+                withContext(Dispatchers.IO) {
+                    FileOutputStream(text).use { stream ->
+                        it.text.forEach { line ->
+                            stream.write(line.line.toByteArray())
+                            stream.write(System.lineSeparator().toByteArray())
+                        }
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+                return false
+            }
+
+            if (it.textPath.isNotBlank()) {
+                try {
+                    val fileToDelete = File(
+                        it.textPath
+                    )
+
+                    if (fileToDelete.exists()) {
+                        fileToDelete.delete()
+                    }
+                } catch (e: Exception) {
+                    e.printStackTrace()
+                }
+            }
+
+            bookMapper.toBookEntity(
+                it.copy(
+                    textPath = "$booksDir/$textUri",
+                    coverImage = if (bookEntity.image != null) Uri.parse(bookEntity.image) else null
+                )
+            )
+        }
+
+        database.updateBooks(
+            booksWithText
         )
+        return true
     }
 
     override suspend fun updateCoverImageOfBook(
@@ -188,7 +254,7 @@ class BookRepositoryImpl @Inject constructor(
         newCoverImage: CoverImage?
     ) {
         // without text
-        val book = database.findBookById(bookWithOldCover.id ?: return)
+        val book = database.findBookById(bookWithOldCover.id)
         var uri: String? = null
 
         val filesDir = application.filesDir
@@ -206,9 +272,9 @@ class BookRepositoryImpl @Inject constructor(
                 withContext(Dispatchers.IO) {
                     FileOutputStream(cover).use { stream ->
                         if (
-                            !newCoverImage.compress(
+                            !newCoverImage.copy(Bitmap.Config.RGB_565, false).compress(
                                 Bitmap.CompressFormat.WEBP,
-                                30,
+                                20,
                                 stream
                             )
                         ) {
@@ -243,9 +309,7 @@ class BookRepositoryImpl @Inject constructor(
         }
 
         val bookWithNewCover = bookWithOldCover.copy(
-            text = book.text
-                .split("\n")
-                .map { line -> StringWithId(line.trim()) },
+            textPath = book.textPath,
             coverImage = newCoverImageUri
         )
 
@@ -261,14 +325,18 @@ class BookRepositoryImpl @Inject constructor(
     override suspend fun deleteBooks(books: List<Book>) {
         val filesDir = application.filesDir
         val coversDir = File(filesDir, "covers")
+        val booksDir = File(filesDir, "books")
 
         if (!coversDir.exists()) {
             coversDir.mkdirs()
         }
+        if (!booksDir.exists()) {
+            booksDir.mkdirs()
+        }
 
         database.deleteBooks(
             books.map {
-                val book = database.findBookById(it.id ?: return)
+                val book = database.findBookById(it.id)
 
                 if (book.image != null) {
                     try {
@@ -284,6 +352,18 @@ class BookRepositoryImpl @Inject constructor(
                     }
                 }
 
+                if (book.textPath.isNotBlank()) {
+                    try {
+                        val fileToDelete = File(book.textPath)
+
+                        if (fileToDelete.exists()) {
+                            fileToDelete.delete()
+                        }
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                    }
+                }
+
                 book
             }
         )
@@ -424,7 +504,7 @@ class BookRepositoryImpl @Inject constructor(
                 books.add(
                     NullableBook.Null(
                         file.name,
-                        UIText.StringResource(R.string.error_something_went_wrong)
+                        UIText.StringResource(R.string.error_something_went_wrong_with_file)
                     )
                 )
                 continue
@@ -469,7 +549,6 @@ class BookRepositoryImpl @Inject constructor(
 
     override suspend fun getHistory(): Flow<Resource<List<History>>> {
         return flow {
-            emit(Resource.Loading(true))
             val history = database.getHistory()
 
             emit(

app/src/main/java/ua/acclorite/book_story/domain/model/Book.kt

@@ -7,13 +7,13 @@ import java.io.File
 
 @Immutable
 data class Book(
-    val id: Int?,
+    val id: Int = 0,
 
     val title: String,
     val author: UIText,
     val description: String?,
 
-//    val textPath: String,
+    val textPath: String,
     val text: List<StringWithId> = emptyList(),
     val letters: Int,
     val words: Int,

app/src/main/java/ua/acclorite/book_story/domain/model/ButtonItem.kt

@@ -4,7 +4,7 @@ import androidx.compose.runtime.Immutable
 import androidx.compose.ui.text.TextStyle
 
 @Immutable
-data class ChipItem(
+data class ButtonItem(
     val id: String,
     val title: String,
     val textStyle: TextStyle,

app/src/main/java/ua/acclorite/book_story/domain/model/Category.kt

@@ -1,8 +1,15 @@
 package ua.acclorite.book_story.domain.model
 
 import androidx.compose.runtime.Immutable
+import ua.acclorite.book_story.domain.util.Selected
 
 @Immutable
 enum class Category {
     READING, ALREADY_READ, PLANNING, DROPPED
 }
+
+@Immutable
+data class CategorizedBooks(
+    val category: Category,
+    val books: List<Pair<Book, Selected>>
+)

app/src/main/java/ua/acclorite/book_story/domain/model/History.kt

@@ -4,7 +4,7 @@ import androidx.compose.runtime.Immutable
 
 @Immutable
 data class History(
-    val id: Int?,
+    val id: Int = 0,
     val bookId: Int,
     val book: Book?,
     val time: Long

app/src/main/java/ua/acclorite/book_story/domain/repository/BookRepository.kt

@@ -5,6 +5,7 @@ import kotlinx.coroutines.flow.Flow
 import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.model.History
 import ua.acclorite.book_story.domain.model.NullableBook
+import ua.acclorite.book_story.domain.model.StringWithId
 import ua.acclorite.book_story.domain.util.CoverImage
 import ua.acclorite.book_story.domain.util.Resource
 import java.io.File
@@ -13,10 +14,6 @@ interface BookRepository {
 
     suspend fun getBooks(
         query: String
-    ): Flow<Resource<List<Book>>>
-
-    suspend fun fastGetBooks(
-        query: String
     ): List<Book>
 
     suspend fun getBooksById(
@@ -24,12 +21,12 @@ interface BookRepository {
     ): List<Book>
 
     suspend fun getBookTextById(
-        bookId: Int
-    ): String
+        textPath: String
+    ): List<StringWithId>
 
     suspend fun insertBooks(
         books: List<Pair<Book, CoverImage?>>
-    )
+    ): Boolean
 
     suspend fun updateBooks(
         books: List<Book>
@@ -37,7 +34,7 @@ interface BookRepository {
 
     suspend fun updateBooksWithText(
         books: List<Book>
-    )
+    ): Boolean
 
     suspend fun updateCoverImageOfBook(
         bookWithOldCover: Book,

app/src/main/java/ua/acclorite/book_story/domain/use_case/DeleteBooks.kt

@@ -9,9 +9,7 @@ class DeleteBooks @Inject constructor(private val repository: BookRepository) {
     suspend fun execute(books: List<Book>) {
         repository.deleteBooks(books)
         books.forEach {
-            if (it.id != null) {
-                repository.deleteBookHistory(it.id)
-            }
+            repository.deleteBookHistory(it.id)
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/domain/use_case/FastGetBooks.kt

@@ -1,12 +0,0 @@
-package ua.acclorite.book_story.domain.use_case
-
-import ua.acclorite.book_story.domain.model.Book
-import ua.acclorite.book_story.domain.repository.BookRepository
-import javax.inject.Inject
-
-class FastGetBooks @Inject constructor(private val repository: BookRepository) {
-
-    suspend fun execute(query: String): List<Book> {
-        return repository.fastGetBooks(query)
-    }
-}

app/src/main/java/ua/acclorite/book_story/domain/use_case/GetBooks.kt

@@ -1,14 +1,12 @@
 package ua.acclorite.book_story.domain.use_case
 
-import kotlinx.coroutines.flow.Flow
 import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.repository.BookRepository
-import ua.acclorite.book_story.domain.util.Resource
 import javax.inject.Inject
 
 class GetBooks @Inject constructor(private val repository: BookRepository) {
 
-    suspend fun execute(query: String): Flow<Resource<List<Book>>> {
+    suspend fun execute(query: String): List<Book> {
         return repository.getBooks(query)
     }
 }

app/src/main/java/ua/acclorite/book_story/domain/use_case/GetText.kt

@@ -1,11 +1,12 @@
 package ua.acclorite.book_story.domain.use_case
 
+import ua.acclorite.book_story.domain.model.StringWithId
 import ua.acclorite.book_story.domain.repository.BookRepository
 import javax.inject.Inject
 
 class GetText @Inject constructor(private val repository: BookRepository) {
 
-    suspend fun execute(id: Int): String {
-        return repository.getBookTextById(bookId = id)
+    suspend fun execute(textPath: String): List<StringWithId> {
+        return repository.getBookTextById(textPath = textPath)
     }
 }

app/src/main/java/ua/acclorite/book_story/domain/use_case/InsertBooks.kt

@@ -6,7 +6,7 @@ import ua.acclorite.book_story.domain.util.CoverImage
 import javax.inject.Inject
 
 class InsertBooks @Inject constructor(private val repository: BookRepository) {
-    suspend fun execute(books: List<Pair<Book, CoverImage?>>) {
-        repository.insertBooks(books)
+    suspend fun execute(books: List<Pair<Book, CoverImage?>>): Boolean {
+        return repository.insertBooks(books)
     }
 }

app/src/main/java/ua/acclorite/book_story/domain/use_case/UpdateBooksWithText.kt

@@ -6,7 +6,7 @@ import javax.inject.Inject
 
 class UpdateBooksWithText @Inject constructor(private val repository: BookRepository) {
 
-    suspend fun execute(books: List<Book>) {
-        repository.updateBooksWithText(books)
+    suspend fun execute(books: List<Book>): Boolean {
+        return repository.updateBooksWithText(books)
     }
 }

app/src/main/java/ua/acclorite/book_story/domain/util/Constants.kt

@@ -170,6 +170,7 @@ object Constants {
         "",
         UIText.StringValue(""),
         null,
+        "",
         emptyList(),
         0,
         0,

app/src/main/java/ua/acclorite/book_story/domain/util/DataStoreConstants.kt

@@ -9,6 +9,7 @@ object DataStoreConstants {
     val LANGUAGE = stringPreferencesKey("language")
     val THEME = stringPreferencesKey("theme")
     val DARK_THEME = stringPreferencesKey("dark_theme")
+    val THEME_CONTRAST = stringPreferencesKey("theme_contrast")
     val SHOW_START_SCREEN = booleanPreferencesKey("guide")
     val BACKGROUND_COLOR = longPreferencesKey("background_color")
     val FONT_COLOR = longPreferencesKey("font_color")

app/src/main/java/ua/acclorite/book_story/domain/util/Resource.kt

@@ -3,5 +3,4 @@ package ua.acclorite.book_story.domain.util
 sealed class Resource<T>(val data: T? = null, val message: UIText? = null) {
     class Success<T>(data: T?) : Resource<T>(data)
     class Error<T>(message: UIText, data: T? = null) : Resource<T>(data, message)
-    class Loading<T>(val isLoading: Boolean = true) : Resource<T>()
 }

app/src/main/java/ua/acclorite/book_story/presentation/components/AnimatedTopAppBar.kt

@@ -28,7 +28,6 @@ import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Animated top app bar. Has up to 3 different top bars inside it. Follow [TopAppBar] for more info.
@@ -42,7 +41,7 @@ import ua.acclorite.book_story.presentation.ui.elevation
 @Composable
 fun AnimatedTopAppBar(
     containerColor: Color = MaterialTheme.colorScheme.surface,
-    scrolledContainerColor: Color = MaterialTheme.elevation(),
+    scrolledContainerColor: Color = MaterialTheme.colorScheme.surfaceContainer,
 
     scrollBehavior: TopAppBarScrollBehavior?,
     isTopBarScrolled: Boolean?,

app/src/main/java/ua/acclorite/book_story/presentation/components/CustomCheckbox.kt

@@ -17,16 +17,15 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Custom Checkbox. Has a Circle shape.
  */
 @Composable
-fun CustomCheckbox(selected: Boolean, size: Dp = 22.dp) {
+fun CustomCheckbox(selected: Boolean, containerColor: Color, size: Dp = 22.dp) {
     Icon(
         imageVector = Icons.Default.Check,
-        tint = if (selected) MaterialTheme.elevation(elevation = 2.dp) else Color.Transparent,
+        tint = if (selected) containerColor else Color.Transparent,
         modifier = Modifier
             .clip(CircleShape)
             .border(

app/src/main/java/ua/acclorite/book_story/presentation/components/CustomCoverImage.kt

@@ -0,0 +1,31 @@
+package ua.acclorite.book_story.presentation.components
+
+import android.net.Uri
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import coil.compose.AsyncImage
+import coil.request.ImageRequest
+import ua.acclorite.book_story.R
+
+@Composable
+fun CustomCoverImage(
+    uri: Uri,
+    animationDurationMillis: Int = 100,
+    contentDescription: String? = stringResource(id = R.string.cover_image_content_desc),
+    modifier: Modifier,
+    alpha: Float = 1f,
+) {
+    AsyncImage(
+        model = ImageRequest.Builder(LocalContext.current)
+            .data(uri)
+            .crossfade(animationDurationMillis)
+            .build(),
+        contentDescription = contentDescription,
+        modifier = modifier,
+        alpha = alpha,
+        contentScale = ContentScale.Crop
+    )
+}

app/src/main/java/ua/acclorite/book_story/presentation/components/CustomIconButton.kt

@@ -1,5 +1,6 @@
 package ua.acclorite.book_story.presentation.components
 
+import androidx.annotation.StringRes
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LocalContentColor
@@ -11,6 +12,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
 
 /**
  * Custom Icon Button. Can be disabled after click, so user can't press button fast 2 or 3 times.
@@ -19,27 +21,29 @@ import androidx.compose.ui.graphics.vector.ImageVector
 fun CustomIconButton(
     modifier: Modifier = Modifier,
     icon: ImageVector,
-    contentDescription: String,
+    @StringRes contentDescription: Int,
     disableOnClick: Boolean,
     enabled: Boolean = true,
     color: Color = LocalContentColor.current,
     onClick: () -> Unit
 ) {
     var isClicked by remember { mutableStateOf(false) }
-    IconButton(
-        enabled = enabled && !isClicked,
-        onClick = {
-            if (disableOnClick) {
-                isClicked = true
+    CustomTooltip(text = stringResource(id = contentDescription)) {
+        IconButton(
+            enabled = enabled && !isClicked,
+            onClick = {
+                if (disableOnClick) {
+                    isClicked = true
+                }
+                onClick()
             }
-            onClick()
+        ) {
+            Icon(
+                imageVector = icon,
+                modifier = modifier,
+                contentDescription = stringResource(id = contentDescription),
+                tint = color
+            )
         }
-    ) {
-        Icon(
-            imageVector = icon,
-            modifier = modifier,
-            contentDescription = contentDescription,
-            tint = color
-        )
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/components/CustomSnackbar.kt

@@ -20,6 +20,7 @@ import androidx.compose.material3.Snackbar
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.mutableStateOf
@@ -27,6 +28,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
@@ -44,10 +46,18 @@ fun CustomSnackbar(modifier: Modifier = Modifier, snackbarState: SnackbarHostSta
     var snackbarData by remember { mutableStateOf(snackbarState.currentSnackbarData) }
     var offset by remember { mutableFloatStateOf(0f) }
 
+
     val density = LocalDensity.current
     val mutableInteractionSource = remember { MutableInteractionSource() }
     val isDragged by mutableInteractionSource.collectIsDraggedAsState()
 
+    val alpha by remember {
+        derivedStateOf {
+            1f - ((offset / 2f) / 100f)
+        }
+    }
+
+
     LaunchedEffect(offset, isDragged) {
         val offsetDp = with(density) { offset.toDp() }
         if (offsetDp > 35.dp && !isDragged) {
@@ -74,8 +84,8 @@ fun CustomSnackbar(modifier: Modifier = Modifier, snackbarState: SnackbarHostSta
 
     AnimatedVisibility(
         visible = showSnackbar,
-        enter = slideInVertically(tween(250)) { it } + fadeIn(tween(250)),
-        exit = slideOutVertically(tween(100)) { it } + fadeOut(tween(100))
+        enter = slideInVertically(tween(350)) { it } + fadeIn(tween(350)),
+        exit = slideOutVertically(tween(200)) { it } + fadeOut(tween(100))
     ) {
         Box(
             modifier = modifier
@@ -91,7 +101,9 @@ fun CustomSnackbar(modifier: Modifier = Modifier, snackbarState: SnackbarHostSta
                 )
         ) {
             Snackbar(
-                modifier = Modifier.align(Alignment.Center),
+                modifier = Modifier
+                    .align(Alignment.Center)
+                    .alpha(alpha),
                 snackbarData = snackbarData!!,
                 shape = MaterialTheme.shapes.medium
             )

app/src/main/java/ua/acclorite/book_story/presentation/components/CustomTooltip.kt

@@ -0,0 +1,26 @@
+package ua.acclorite.book_story.presentation.components
+
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.PlainTooltip
+import androidx.compose.material3.Text
+import androidx.compose.material3.TooltipBox
+import androidx.compose.material3.TooltipDefaults
+import androidx.compose.material3.rememberTooltipState
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.unit.dp
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CustomTooltip(text: String, content: @Composable () -> Unit) {
+    TooltipBox(
+        positionProvider = TooltipDefaults.rememberPlainTooltipPositionProvider(12.dp),
+        tooltip = {
+            PlainTooltip {
+                Text(text = text)
+            }
+        },
+        state = rememberTooltipState()
+    ) {
+        content()
+    }
+}

app/src/main/java/ua/acclorite/book_story/presentation/components/GoBackButton.kt

@@ -3,7 +3,6 @@ package ua.acclorite.book_story.presentation.components
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.data.Navigator
 
@@ -14,7 +13,7 @@ import ua.acclorite.book_story.presentation.data.Navigator
 fun GoBackButton(navigator: Navigator, enabled: Boolean = true, customOnClick: () -> Unit = {}) {
     CustomIconButton(
         icon = Icons.AutoMirrored.Filled.ArrowBack,
-        contentDescription = stringResource(id = R.string.go_back_content_desc),
+        contentDescription = R.string.go_back_content_desc,
         disableOnClick = true,
         enabled = enabled
     ) {

app/src/main/java/ua/acclorite/book_story/presentation/components/MoreDropDown.kt

@@ -33,7 +33,7 @@ fun MoreDropDown(navigator: Navigator) {
     Box {
         CustomIconButton(
             icon = Icons.Default.MoreVert,
-            contentDescription = stringResource(id = R.string.show_dropdown_content_desc),
+            contentDescription = R.string.show_dropdown_content_desc,
             disableOnClick = false,
             enabled = !showDropDown
         ) {
@@ -43,7 +43,7 @@ fun MoreDropDown(navigator: Navigator) {
         DropdownMenu(
             expanded = showDropDown,
             onDismissRequest = { showDropDown = false },
-            offset = DpOffset(10.dp, 0.dp)
+            offset = DpOffset((-15).dp, 0.dp)
         ) {
             DropdownMenuItem(
                 text = {
@@ -55,7 +55,6 @@ fun MoreDropDown(navigator: Navigator) {
                 },
                 onClick = {
                     navigator.navigate(Screen.SETTINGS, false)
-                    showDropDown = false
                 },
                 contentPadding = PaddingValues(start = startPadding, end = endPadding)
             )
@@ -69,7 +68,6 @@ fun MoreDropDown(navigator: Navigator) {
                 },
                 onClick = {
                     navigator.navigate(Screen.HELP, false)
-                    showDropDown = false
                 },
                 contentPadding = PaddingValues(start = startPadding, end = endPadding)
             )
@@ -83,7 +81,6 @@ fun MoreDropDown(navigator: Navigator) {
                 },
                 onClick = {
                     navigator.navigate(Screen.ABOUT, false)
-                    showDropDown = false
                 },
                 contentPadding = PaddingValues(start = startPadding, end = endPadding)
             )

app/src/main/java/ua/acclorite/book_story/presentation/components/bottom_navigation_bar/BottomNavigationBar.kt

@@ -1,6 +1,5 @@
 package ua.acclorite.book_story.presentation.components.bottom_navigation_bar
 
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -14,7 +13,6 @@ import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.NavigationItem
 import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.data.Screen
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Bottom navigation bar, uses default [NavigationBar].
@@ -35,9 +33,7 @@ fun BottomNavigationBar(
         }
     }
 
-    NavigationBar(
-        containerColor = MaterialTheme.elevation()
-    ) {
+    NavigationBar {
         BottomNavigationBarItem(
             item = NavigationItem(
                 stringResource(id = R.string.library_screen),

app/src/main/java/ua/acclorite/book_story/presentation/components/bottom_navigation_bar/BottomNavigationItem.kt

@@ -3,9 +3,7 @@ package ua.acclorite.book_story.presentation.components.bottom_navigation_bar
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.Icon
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBarItem
-import androidx.compose.material3.NavigationBarItemDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
@@ -33,27 +31,19 @@ fun RowScope.BottomNavigationBarItem(
         label = {
             Text(
                 text = item.title,
-                style = MaterialTheme.typography.labelMedium,
                 maxLines = 1,
                 overflow = TextOverflow.Ellipsis
             )
         },
         selected = isSelected,
-        enabled = !isSelected,
         onClick = { onClick() },
         icon = {
             Icon(
                 painter = icon,
-                contentDescription = item.title,
+                contentDescription = null,
                 modifier = Modifier.size(24.dp)
             )
         },
-        modifier = modifier,
-        colors = NavigationBarItemDefaults.colors(
-            unselectedIconColor = MaterialTheme.colorScheme.onSurfaceVariant,
-            unselectedTextColor = MaterialTheme.colorScheme.onSurfaceVariant,
-            disabledIconColor = MaterialTheme.colorScheme.onSurface,
-            disabledTextColor = MaterialTheme.colorScheme.onSurface
-        )
+        modifier = modifier
     )
 }

app/src/main/java/ua/acclorite/book_story/presentation/components/custom_dialog/CustomDialogWithContent.kt

@@ -12,9 +12,9 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.statusBarsPadding
 import androidx.compose.foundation.layout.width
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.Divider
+import androidx.compose.material3.BasicAlertDialog
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
@@ -36,8 +36,6 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.DialogProperties
 import androidx.compose.ui.window.DialogWindowProvider
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.presentation.ui.ElevationDefaults
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Custom Dialog with custom content.
@@ -72,7 +70,8 @@ fun CustomDialogWithContent(
     customContent: @Composable (ColumnScope.() -> Unit) = {}
 ) {
     var actionClicked by remember { mutableStateOf(false) }
-    AlertDialog(
+
+    BasicAlertDialog(
         onDismissRequest = { onDismiss() },
         properties = DialogProperties(
             dismissOnBackPress = !actionClicked,
@@ -88,7 +87,7 @@ fun CustomDialogWithContent(
                 .navigationBarsPadding()
                 .statusBarsPadding()
                 .clip(MaterialTheme.shapes.extraLarge)
-                .background(MaterialTheme.elevation(ElevationDefaults.Dialog))
+                .background(MaterialTheme.colorScheme.surfaceContainerHigh)
                 .padding(top = 24.dp, bottom = 12.dp)
         ) {
             if (drawableIcon != null) {
@@ -140,7 +139,7 @@ fun CustomDialogWithContent(
             }
             if (withDivider) {
                 Spacer(modifier = Modifier.height(12.dp))
-                Divider(
+                HorizontalDivider(
                     modifier = Modifier.padding(horizontal = 24.dp),
                     color = MaterialTheme.colorScheme.outlineVariant
                 )

app/src/main/java/ua/acclorite/book_story/presentation/components/custom_dialog/CustomDialogWithLazyColumn.kt

@@ -13,9 +13,9 @@ import androidx.compose.foundation.layout.statusBarsPadding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.LazyListScope
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.Divider
+import androidx.compose.material3.BasicAlertDialog
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
@@ -37,8 +37,6 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.DialogProperties
 import androidx.compose.ui.window.DialogWindowProvider
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.presentation.ui.ElevationDefaults
-import ua.acclorite.book_story.presentation.ui.elevation
 
 
 /**
@@ -74,7 +72,7 @@ fun CustomDialogWithLazyColumn(
     items: (LazyListScope.() -> Unit) = {}
 ) {
     var actionClicked by remember { mutableStateOf(false) }
-    AlertDialog(
+    BasicAlertDialog(
         onDismissRequest = { onDismiss() },
         properties = DialogProperties(
             dismissOnBackPress = !actionClicked,
@@ -90,7 +88,7 @@ fun CustomDialogWithLazyColumn(
                 .navigationBarsPadding()
                 .statusBarsPadding()
                 .clip(MaterialTheme.shapes.extraLarge)
-                .background(MaterialTheme.elevation(ElevationDefaults.Dialog))
+                .background(MaterialTheme.colorScheme.surfaceContainerHigh)
                 .padding(top = 24.dp, bottom = 12.dp)
         ) {
             if (drawableIcon != null) {
@@ -142,7 +140,7 @@ fun CustomDialogWithLazyColumn(
             }
             if (withDivider) {
                 Spacer(modifier = Modifier.height(12.dp))
-                Divider(
+                HorizontalDivider(
                     modifier = Modifier.padding(horizontal = 24.dp),
                     color = MaterialTheme.colorScheme.outlineVariant
                 )

app/src/main/java/ua/acclorite/book_story/presentation/components/custom_navigation_rail/CustomNavigationRail.kt

@@ -29,7 +29,6 @@ import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.NavigationItem
 import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.data.Screen
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Custom Navigation Rail. It is used to be shown on Tablets.
@@ -54,7 +53,7 @@ fun BoxScope.CustomNavigationRail(
             .align(
                 Alignment.CenterStart
             )
-            .background(MaterialTheme.elevation())
+            .background(MaterialTheme.colorScheme.surfaceContainer)
             .padding(
                 start = WindowInsets.navigationBars
                     .asPaddingValues()
@@ -62,7 +61,7 @@ fun BoxScope.CustomNavigationRail(
             )
             .width(80.dp)
             .padding(horizontal = 12.dp),
-        containerColor = MaterialTheme.elevation(),
+        containerColor = MaterialTheme.colorScheme.surfaceContainer,
         windowInsets = WindowInsets(0, 0, 0, 0)
     ) {
         Column(

app/src/main/java/ua/acclorite/book_story/presentation/components/custom_navigation_rail/CustomNavigationRailItem.kt

@@ -2,9 +2,7 @@ package ua.acclorite.book_story.presentation.components.custom_navigation_rail
 
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.Icon
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationRailItem
-import androidx.compose.material3.NavigationRailItemDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
@@ -32,27 +30,19 @@ fun CustomNavigationRailItem(
         label = {
             Text(
                 text = item.title,
-                style = MaterialTheme.typography.labelMedium,
                 maxLines = 1,
                 overflow = TextOverflow.Ellipsis
             )
         },
         selected = isSelected,
-        enabled = !isSelected,
         onClick = { onClick() },
         icon = {
             Icon(
                 painter = icon,
-                contentDescription = item.title,
+                contentDescription = null,
                 modifier = Modifier.size(24.dp)
             )
         },
-        modifier = modifier,
-        colors = NavigationRailItemDefaults.colors(
-            unselectedIconColor = MaterialTheme.colorScheme.onSurfaceVariant,
-            unselectedTextColor = MaterialTheme.colorScheme.onSurfaceVariant,
-            disabledIconColor = MaterialTheme.colorScheme.onSurface,
-            disabledTextColor = MaterialTheme.colorScheme.onSurface
-        )
+        modifier = modifier
     )
 }

app/src/main/java/ua/acclorite/book_story/presentation/data/ArithmeticOperations.kt

@@ -1,9 +1,5 @@
 package ua.acclorite.book_story.presentation.data
 
-import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Path
-import kotlin.math.abs
-
 fun String.removeTrailingZero(): String {
     if (!this.contains('.'))
         return this
@@ -20,11 +16,3 @@ fun calculateFamiliarity(string: String, target: String): Int {
     return familiarity
 }
 
-fun Path.standardQuadFromTo(from: Offset, to: Offset) {
-    quadraticTo(
-        from.x,
-        from.y,
-        abs(from.x + to.x) / 2f,
-        abs(from.y + to.y) / 2f
-    )
-}

app/src/main/java/ua/acclorite/book_story/presentation/data/MainEvent.kt

@@ -4,6 +4,7 @@ sealed class MainEvent {
     data class OnChangeLanguage(val lang: String) : MainEvent()
     data class OnChangeTheme(val theme: String) : MainEvent()
     data class OnChangeDarkTheme(val darkTheme: String) : MainEvent()
+    data class OnChangeThemeContrast(val themeContrast: String) : MainEvent()
     data class OnChangeFontFamily(val fontFamily: String) : MainEvent()
     data class OnChangeFontStyle(val fontStyle: Boolean) : MainEvent()
     data class OnChangeFontSize(val fontSize: Int) : MainEvent()

app/src/main/java/ua/acclorite/book_story/presentation/data/MainState.kt

@@ -5,6 +5,7 @@ import android.os.Parcelable
 import androidx.compose.runtime.Immutable
 import ua.acclorite.book_story.presentation.ui.DarkTheme
 import ua.acclorite.book_story.presentation.ui.Theme
+import ua.acclorite.book_story.presentation.ui.ThemeContrast
 
 /**
  * Main State. All app's settings are here. Wrapped in SavedStateHandle, so it won't reset.
@@ -14,6 +15,7 @@ data class MainState(
     val language: String? = null,
     val theme: Theme? = null,
     val darkTheme: DarkTheme? = null,
+    val themeContrast: ThemeContrast? = null,
     val fontFamily: String? = null,
     val isItalic: Boolean? = null,
     val fontSize: Int? = null,
@@ -32,6 +34,8 @@ data class MainState(
         // String
         darkTheme = DarkTheme.valueOf(parcel.readString() ?: DarkTheme.FOLLOW_SYSTEM.name),
         // String
+        themeContrast = ThemeContrast.valueOf(parcel.readString() ?: ThemeContrast.STANDARD.name),
+        // String
         fontFamily = parcel.readString(),
         // Boolean
         isItalic = if (parcel.readByte().toInt() != 0) parcel.readByte().toInt() == 1 else null,
@@ -60,6 +64,8 @@ data class MainState(
         parcel.writeString(theme?.name)
         // Dark Theme
         parcel.writeString(darkTheme?.name)
+        // Contrast Level
+        parcel.writeString(themeContrast?.name)
         // Font Family
         parcel.writeString(fontFamily)
         // Is Italic

app/src/main/java/ua/acclorite/book_story/presentation/data/MainViewModel.kt

@@ -21,8 +21,10 @@ import ua.acclorite.book_story.domain.util.DataStoreConstants
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DarkTheme
 import ua.acclorite.book_story.presentation.ui.Theme
+import ua.acclorite.book_story.presentation.ui.ThemeContrast
 import ua.acclorite.book_story.presentation.ui.toDarkTheme
 import ua.acclorite.book_story.presentation.ui.toTheme
+import ua.acclorite.book_story.presentation.ui.toThemeContrast
 import java.util.Locale
 import javax.inject.Inject
 
@@ -70,6 +72,17 @@ class MainViewModel @Inject constructor(
                 }
             }
 
+            is MainEvent.OnChangeThemeContrast -> {
+                viewModelScope.launch(Dispatchers.IO) {
+                    setDatastore.execute(DataStoreConstants.THEME_CONTRAST, event.themeContrast)
+                    _state.updateWithSavedHandle {
+                        it.copy(
+                            themeContrast = event.themeContrast.toThemeContrast()
+                        )
+                    }
+                }
+            }
+
             is MainEvent.OnChangeTheme -> {
                 viewModelScope.launch(Dispatchers.IO) {
                     setDatastore.execute(DataStoreConstants.THEME, event.theme)
@@ -200,6 +213,7 @@ class MainViewModel @Inject constructor(
             return@combine value.language != null &&
                     value.theme != null &&
                     value.darkTheme != null &&
+                    value.themeContrast != null &&
                     value.fontFamily != null &&
                     value.isItalic != null &&
                     value.fontSize != null &&
@@ -270,6 +284,16 @@ class MainViewModel @Inject constructor(
                 }
         }
 
+        // Theme Contrast
+        viewModelScope.launch(Dispatchers.IO) {
+            getDatastore
+                .execute(DataStoreConstants.THEME_CONTRAST, ThemeContrast.STANDARD.name)
+                .first {
+                    onEvent(MainEvent.OnChangeThemeContrast(it))
+                    it.isNotBlank()
+                }
+        }
+
         // Show Start Screen
         viewModelScope.launch(Dispatchers.IO) {
             getDatastore

app/src/main/java/ua/acclorite/book_story/presentation/data/Navigation.kt

@@ -1,6 +1,7 @@
 package ua.acclorite.book_story.presentation.data
 
 import android.annotation.SuppressLint
+import android.os.Parcelable
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.BackHandler
 import androidx.activity.viewModels
@@ -14,7 +15,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
@@ -29,12 +29,15 @@ import dagger.hilt.android.lifecycle.withCreationCallback
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
+import kotlinx.parcelize.Parcelize
 import ua.acclorite.book_story.presentation.ui.Transitions
+import java.io.Serializable
 
 
 private const val CURRENT_SCREEN = "current_screen"
 private const val BACKSTACK = "back_stack"
 private const val USE_BACK_ANIM = "use_back_animation"
+private const val ARGUMENTS = "arguments"
 
 /**
  * All screens are listed here, later each screen will be passed as a param for [Navigator.composable] function.
@@ -57,11 +60,15 @@ enum class Screen {
     START
 }
 
+/**
+ * Navigation Argument.
+ */
 @Immutable
-data class Argument(
+@Parcelize
+data class Argument<out T : Serializable>(
     val key: String,
-    val arg: Any?
-)
+    val value: T
+) : Parcelable
 
 /**
  * Navigator. Using for navigation between screens.
@@ -78,38 +85,39 @@ class Navigator @AssistedInject constructor(
     private val currentScreen = savedStateHandle.getStateFlow(CURRENT_SCREEN, startScreen)
     private val useBackAnimation = savedStateHandle.getStateFlow(USE_BACK_ANIM, false)
     private val backStack = savedStateHandle.getStateFlow(BACKSTACK, mutableListOf<Screen>())
-    private val arguments = mutableStateListOf<Argument>()
+    private val arguments = savedStateHandle
+        .getStateFlow(ARGUMENTS, mutableListOf<Argument<Serializable>>())
 
-    fun putArgument(argument: Argument) {
+    fun putArgument(argument: Argument<Serializable>) {
         var found = false
 
-        for ((index, arg) in arguments.withIndex()) {
+        for ((index, arg) in arguments.value.withIndex()) {
             if (arg.key == argument.key) {
-                arguments[index] = argument
+                arguments.value[index] = argument
                 found = true
                 break
             }
         }
 
         if (!found) {
-            arguments.add(argument)
+            arguments.value.add(argument)
         }
     }
 
-    fun retrieveArgument(key: String): Any? {
-        for (arg in arguments) {
+    fun retrieveArgument(key: String): Serializable? {
+        for (arg in arguments.value) {
             if (arg.key == key) {
-                return arg.arg
+                return arg.value
             }
         }
         return null
     }
 
     fun clearArgument(key: String) {
-        arguments.removeIf { it.key == key }
+        arguments.value.removeIf { it.key == key }
     }
 
-    fun navigate(screen: Screen, useBackAnimation: Boolean, vararg args: Argument) =
+    fun navigate(screen: Screen, useBackAnimation: Boolean, vararg args: Argument<Serializable>) =
         viewModelScope.launch(Dispatchers.Default) {
             backStack.value.add(currentScreen.value)
 
@@ -121,20 +129,23 @@ class Navigator @AssistedInject constructor(
             savedStateHandle[CURRENT_SCREEN] = screen
         }
 
-    fun navigateWithoutBackStack(screen: Screen, useBackAnimation: Boolean, vararg args: Argument) =
-        viewModelScope.launch(Dispatchers.Default) {
-            if (backStack.value.last() == screen) {
-                backStack.value.removeLast()
-            }
-
-            args.forEach {
-                putArgument(it)
-            }
-
-            savedStateHandle[USE_BACK_ANIM] = useBackAnimation
-            savedStateHandle[CURRENT_SCREEN] = screen
+    fun navigateWithoutBackStack(
+        screen: Screen,
+        useBackAnimation: Boolean,
+        vararg args: Argument<Serializable>
+    ) = viewModelScope.launch(Dispatchers.Default) {
+        if (backStack.value.last() == screen) {
+            backStack.value.removeLast()
         }
 
+        args.forEach {
+            putArgument(it)
+        }
+
+        savedStateHandle[USE_BACK_ANIM] = useBackAnimation
+        savedStateHandle[CURRENT_SCREEN] = screen
+    }
+
     fun navigateBack(useBackAnimation: Boolean = true) =
         viewModelScope.launch(Dispatchers.Default) {
             if (canGoBack()) {
@@ -153,7 +164,7 @@ class Navigator @AssistedInject constructor(
     }
 
     /**
-     * Animated Screen. Using in [NavigationHost]. Be sure to not use the same [screen] parameter twice, it'll override the highest one in your code.
+     * Animated Screen. Used in [NavigationHost]. Be sure to not use the same [screen] parameter twice, it'll override the highest one in your code.
      *
      * @param screen The [Screen] that represents [content].
      * @param enterAnim Enter Animation.

app/src/main/java/ua/acclorite/book_story/presentation/screens/about/AboutScreen.kt

@@ -13,8 +13,8 @@ import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.rememberLazyListState
-import androidx.compose.material3.Divider
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LargeTopAppBar
 import androidx.compose.material3.MaterialTheme
@@ -36,7 +36,6 @@ import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.screens.about.components.AboutItem
 import ua.acclorite.book_story.presentation.screens.about.data.AboutEvent
 import ua.acclorite.book_story.presentation.screens.about.data.AboutViewModel
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -69,7 +68,7 @@ fun AboutScreen(
                 scrollBehavior = scrollBehavior,
                 colors = TopAppBarDefaults.largeTopAppBarColors(
                     containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation()
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
                 )
             )
         }
@@ -101,7 +100,7 @@ fun AboutScreen(
 
             item {
                 Spacer(modifier = Modifier.height(36.dp))
-                Divider(
+                HorizontalDivider(
                     modifier = Modifier.fillMaxWidth(),
                     color = MaterialTheme.colorScheme.outlineVariant
                 )

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/BookInfoScreen.kt

@@ -63,6 +63,7 @@ import ua.acclorite.book_story.presentation.screens.book_info.components.BookInf
 import ua.acclorite.book_story.presentation.screens.book_info.components.BookInfoMoreDropDown
 import ua.acclorite.book_story.presentation.screens.book_info.components.BookInfoStatisticSection
 import ua.acclorite.book_story.presentation.screens.book_info.components.change_cover_bottom_sheet.BookInfoChangeCoverBottomSheet
+import ua.acclorite.book_story.presentation.screens.book_info.components.confirm_update_dialog.BookInfoConfirmUpdateDialog
 import ua.acclorite.book_story.presentation.screens.book_info.components.details_bottom_sheet.BookInfoDetailsBottomSheet
 import ua.acclorite.book_story.presentation.screens.book_info.components.dialog.BookInfoDeleteDialog
 import ua.acclorite.book_story.presentation.screens.book_info.components.dialog.BookInfoMoveDialog
@@ -75,7 +76,6 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(ExperimentalMaterial3Api::class, ExperimentalMaterialApi::class)
 @Composable
@@ -96,11 +96,7 @@ fun BookInfoScreen(
         refreshing = state.isRefreshing,
         onRefresh = {
             viewModel.onEvent(
-                BookInfoEvent.OnUpdateBook(
-                    refreshList = {
-                        libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(it))
-                        historyViewModel.onEvent(HistoryEvent.OnUpdateBook(it))
-                    },
+                BookInfoEvent.OnLoadUpdate(
                     snackbarState,
                     context
                 )
@@ -142,6 +138,14 @@ fun BookInfoScreen(
             navigator = navigator
         )
     }
+    if (state.showConfirmUpdateDialog) {
+        BookInfoConfirmUpdateDialog(
+            libraryViewModel = libraryViewModel,
+            historyViewModel = historyViewModel,
+            viewModel = viewModel,
+            snackbarHostState = snackbarState
+        )
+    }
 
     Scaffold(
         Modifier
@@ -153,7 +157,6 @@ fun BookInfoScreen(
         topBar = {
             AnimatedTopAppBar(
                 containerColor = Color.Transparent,
-                scrolledContainerColor = MaterialTheme.elevation(),
                 scrollBehavior = scrollBehavior,
                 isTopBarScrolled = null,
 
@@ -174,16 +177,12 @@ fun BookInfoScreen(
                 content1Actions = {
                     CustomIconButton(
                         icon = Icons.Default.Refresh,
-                        contentDescription = stringResource(id = R.string.refresh_book_content_desc),
+                        contentDescription = R.string.refresh_book_content_desc,
                         disableOnClick = false,
                         enabled = !state.isRefreshing
                     ) {
                         viewModel.onEvent(
-                            BookInfoEvent.OnUpdateBook(
-                                refreshList = {
-                                    libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(it))
-                                    historyViewModel.onEvent(HistoryEvent.OnUpdateBook(it))
-                                },
+                            BookInfoEvent.OnLoadUpdate(
                                 snackbarState,
                                 context
                             )
@@ -206,9 +205,10 @@ fun BookInfoScreen(
                         ) {
                             CustomIconButton(
                                 icon = Icons.Default.Done,
-                                contentDescription = stringResource(id = R.string.apply_changes_content_desc),
+                                contentDescription = R.string.apply_changes_content_desc,
                                 disableOnClick = true,
-                                enabled = state.titleValue.isNotBlank() &&
+                                enabled = !state.isRefreshing &&
+                                        state.titleValue.isNotBlank() &&
                                         state.titleValue.trim() !=
                                         state.book.title.trim(),
                                 color = if (state.titleValue.isNotBlank()

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoBackground.kt

@@ -10,20 +10,20 @@ import androidx.compose.ui.draw.blur
 import androidx.compose.ui.draw.drawWithContent
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
+import ua.acclorite.book_story.presentation.components.CustomCoverImage
 
 /**
  * Background of the BookInfoScreen.
  */
 @Composable
 fun BookInfoBackground(height: Dp, image: Uri) {
-    val background = MaterialTheme.colorScheme.background
+    val background = MaterialTheme.colorScheme.surface
 
-    AsyncImage(
-        model = image,
+    CustomCoverImage(
+        uri = image,
+        animationDurationMillis = 300,
         contentDescription = null,
         modifier = Modifier
             .fillMaxWidth()
@@ -38,7 +38,6 @@ fun BookInfoBackground(height: Dp, image: Uri) {
                 )
             }
             .blur(3.dp),
-        alpha = 0.4f,
-        contentScale = ContentScale.Crop
+        alpha = 0.4f
     )
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoInfoSection.kt

@@ -33,19 +33,17 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.SolidColor
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Book
+import ua.acclorite.book_story.presentation.components.CustomCoverImage
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Info section.
@@ -66,7 +64,7 @@ fun BookInfoInfoSection(viewModel: BookInfoViewModel, book: Book) {
                 .height(195.dp)
                 .width(130.dp)
                 .clip(MaterialTheme.shapes.medium)
-                .background(MaterialTheme.elevation())
+                .background(MaterialTheme.colorScheme.surfaceContainerLow)
                 .combinedClickable(
                     interactionSource = remember { MutableInteractionSource() },
                     indication = null,
@@ -77,13 +75,11 @@ fun BookInfoInfoSection(viewModel: BookInfoViewModel, book: Book) {
                 )
         ) {
             if (book.coverImage != null) {
-                AsyncImage(
-                    model = book.coverImage,
-                    contentDescription = stringResource(id = R.string.cover_image_content_desc),
+                CustomCoverImage(
+                    uri = book.coverImage,
                     modifier = Modifier
                         .fillMaxSize()
-                        .clip(MaterialTheme.shapes.medium),
-                    contentScale = ContentScale.Crop
+                        .clip(MaterialTheme.shapes.medium)
                 )
             } else {
                 Icon(
@@ -93,7 +89,7 @@ fun BookInfoInfoSection(viewModel: BookInfoViewModel, book: Book) {
                         .align(Alignment.Center)
                         .fillMaxWidth(0.7f)
                         .aspectRatio(1f),
-                    tint = MaterialTheme.elevation(12.dp)
+                    tint = MaterialTheme.colorScheme.surfaceContainerHigh
                 )
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoMoreDropDown.kt

@@ -11,6 +11,9 @@ import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.DpOffset
 import androidx.compose.ui.unit.dp
@@ -26,37 +29,39 @@ import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewM
 @Composable
 fun BookInfoMoreDropDown(viewModel: BookInfoViewModel, snackbarState: SnackbarHostState) {
     val state by viewModel.state.collectAsState()
+    var showDropDown by remember { mutableStateOf(false) }
 
     Box {
         CustomIconButton(
             icon = Icons.Default.MoreVert,
-            contentDescription = stringResource(id = R.string.show_dropdown_content_desc),
+            contentDescription = R.string.show_dropdown_content_desc,
             disableOnClick = false,
-            enabled = !state.showMoreDropDown
+            enabled = !showDropDown &&
+                    !state.isRefreshing
         ) {
-            viewModel.onEvent(BookInfoEvent.OnShowHideMoreDropDown)
+            showDropDown = true
         }
 
         DropdownMenu(
-            expanded = state.showMoreDropDown,
+            expanded = showDropDown,
             onDismissRequest = {
-                viewModel.onEvent(BookInfoEvent.OnShowHideMoreDropDown)
+                showDropDown = false
             },
-            offset = DpOffset(10.dp, 0.dp)
+            offset = DpOffset((-15).dp, 0.dp)
         ) {
             CustomDropDownMenuItem(
                 leadingIcon = Icons.AutoMirrored.Outlined.DriveFileMove,
                 text = stringResource(id = R.string.move_this_book)
             ) {
                 viewModel.onEvent(BookInfoEvent.OnShowHideMoveDialog)
-                viewModel.onEvent(BookInfoEvent.OnShowHideMoreDropDown)
+                showDropDown = false
             }
             CustomDropDownMenuItem(
                 leadingIcon = Icons.Outlined.Delete,
                 text = stringResource(id = R.string.delete_this_book)
             ) {
                 viewModel.onEvent(BookInfoEvent.OnShowHideDeleteDialog)
-                viewModel.onEvent(BookInfoEvent.OnShowHideMoreDropDown)
+                showDropDown = false
             }
             CustomDropDownMenuItem(
                 leadingIcon = Icons.Outlined.Info,
@@ -64,7 +69,7 @@ fun BookInfoMoreDropDown(viewModel: BookInfoViewModel, snackbarState: SnackbarHo
             ) {
                 snackbarState.currentSnackbarData?.dismiss()
                 viewModel.onEvent(BookInfoEvent.OnShowHideDetailsBottomSheet)
-                viewModel.onEvent(BookInfoEvent.OnShowHideMoreDropDown)
+                showDropDown = false
             }
         }
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/BookInfoStatisticSection.kt

@@ -53,11 +53,11 @@ fun BookInfoStatisticSection(book: Book) {
         Spacer(modifier = Modifier.height(6.dp))
 
         LinearProgressIndicator(
-            book.progress.coerceAtLeast(0.01f),
+            progress = { book.progress.coerceAtLeast(0.01f) },
             modifier = Modifier
                 .fillMaxWidth(),
             color = MaterialTheme.colorScheme.primary,
-            trackColor = MaterialTheme.colorScheme.onPrimaryContainer.copy(0.05f),
+            trackColor = MaterialTheme.colorScheme.secondaryContainer.copy(0.7f),
             strokeCap = StrokeCap.Round,
         )
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/change_cover_bottom_sheet/BookInfoChangeCoverBottomSheet.kt

@@ -31,8 +31,6 @@ import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
 import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
-import ua.acclorite.book_story.presentation.ui.ElevationDefaults
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Change cover bottom sheet. Lets user select photo from the gallery and replaces old one.
@@ -79,7 +77,7 @@ fun BookInfoChangeCoverBottomSheet(
         },
         sheetState = rememberModalBottomSheetState(true),
         windowInsets = WindowInsets(0, 0, 0, 0),
-        containerColor = MaterialTheme.elevation(ElevationDefaults.BottomSheet)
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLow
     ) {
 
         BookInfoChangeCoverBottomSheetItem(

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/confirm_update_dialog/BookInfoConfirmUpateDialog.kt

@@ -0,0 +1,78 @@
+package ua.acclorite.book_story.presentation.screens.book_info.components.confirm_update_dialog
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Update
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.custom_dialog.CustomDialogWithLazyColumn
+import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
+import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
+import ua.acclorite.book_story.presentation.screens.history.data.HistoryEvent
+import ua.acclorite.book_story.presentation.screens.history.data.HistoryViewModel
+import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
+import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
+
+@Composable
+fun BookInfoConfirmUpdateDialog(
+    libraryViewModel: LibraryViewModel,
+    historyViewModel: HistoryViewModel,
+    viewModel: BookInfoViewModel,
+    snackbarHostState: SnackbarHostState
+) {
+    val context = LocalContext.current
+    val state by viewModel.state.collectAsState()
+
+    CustomDialogWithLazyColumn(
+        title = stringResource(id = R.string.confirm_update),
+        imageVectorIcon = Icons.Default.Update,
+        description = stringResource(
+            id = R.string.confirm_update_description
+        ),
+        actionText = stringResource(id = R.string.confirm),
+        isActionEnabled = true,
+        onDismiss = { viewModel.onEvent(BookInfoEvent.OnDismissConfirmUpdateDialog) },
+        onAction = {
+            viewModel.onEvent(
+                BookInfoEvent.OnConfirmUpdate(
+                    snackbarState = snackbarHostState,
+                    context = context,
+                    refreshList = {
+                        libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(it))
+                        historyViewModel.onEvent(HistoryEvent.OnUpdateBook(it))
+                    }
+                )
+            )
+        },
+        withDivider = false,
+        items = {
+            if (state.authorChanged) {
+                item {
+                    BookInfoConfirmUpdateDialogItem(title = stringResource(id = R.string.author))
+                }
+            }
+            if (state.descriptionChanged) {
+                item {
+                    BookInfoConfirmUpdateDialogItem(title = stringResource(id = R.string.description))
+                }
+            }
+            if (state.textChanged) {
+                item {
+                    BookInfoConfirmUpdateDialogItem(title = stringResource(id = R.string.text))
+                }
+            }
+        }
+    )
+}
+
+
+
+
+
+
+
+

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/confirm_update_dialog/BookInfoConfirmUpdateDialogItem.kt

@@ -0,0 +1,18 @@
+package ua.acclorite.book_story.presentation.screens.book_info.components.confirm_update_dialog
+
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun BookInfoConfirmUpdateDialogItem(title: String) {
+    Text(
+        text = "• $title",
+        color = MaterialTheme.colorScheme.onSurfaceVariant,
+        style = MaterialTheme.typography.bodyMedium,
+        modifier = Modifier.padding(horizontal = 24.dp, vertical = 4.dp)
+    )
+}

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/components/details_bottom_sheet/BookInfoDetailsBottomSheet.kt

@@ -22,8 +22,6 @@ import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoEvent
 import ua.acclorite.book_story.presentation.screens.book_info.data.BookInfoViewModel
-import ua.acclorite.book_story.presentation.ui.ElevationDefaults
-import ua.acclorite.book_story.presentation.ui.elevation
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -72,7 +70,7 @@ fun BookInfoDetailsBottomSheet(
         },
         sheetState = rememberModalBottomSheetState(true),
         windowInsets = WindowInsets(0, 0, 0, 0),
-        containerColor = MaterialTheme.elevation(ElevationDefaults.BottomSheet)
+        containerColor = MaterialTheme.colorScheme.surfaceContainerLow
     ) {
         BookInfoDetailsBottomSheetItem(
             title = stringResource(id = R.string.file_name),

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/data/BookInfoEvent.kt

@@ -19,7 +19,6 @@ sealed class BookInfoEvent {
     data class OnRequestFocus(val focusRequester: FocusRequester) : BookInfoEvent()
     data class OnTitleValueChange(val value: String) : BookInfoEvent()
     data class OnUpdateTitle(val refreshList: (Book) -> Unit) : BookInfoEvent()
-    data object OnShowHideMoreDropDown : BookInfoEvent()
     data object OnShowHideDeleteDialog : BookInfoEvent()
     data object OnShowHideMoveDialog : BookInfoEvent()
     data class OnDeleteBook(val refreshList: () -> Unit, val navigator: Navigator) : BookInfoEvent()
@@ -44,8 +43,7 @@ sealed class BookInfoEvent {
         val snackbarState: SnackbarHostState
     ) : BookInfoEvent()
 
-    data class OnUpdateBook(
-        val refreshList: (Book) -> Unit,
+    data class OnLoadUpdate(
         val snackbarState: SnackbarHostState,
         val context: Context
     ) : BookInfoEvent()
@@ -53,4 +51,19 @@ sealed class BookInfoEvent {
     data class OnNavigateToReaderScreen(
         val navigator: Navigator
     ) : BookInfoEvent()
+
+    data object OnDismissConfirmUpdateDialog : BookInfoEvent()
+
+    data class OnShowConfirmUpdateDialog(
+        val updatedBook: Book,
+        val authorUpdated: Boolean,
+        val descriptionUpdated: Boolean,
+        val textUpdated: Boolean,
+    ) : BookInfoEvent()
+
+    data class OnConfirmUpdate(
+        val snackbarState: SnackbarHostState,
+        val context: Context,
+        val refreshList: (Book) -> Unit
+    ) : BookInfoEvent()
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/data/BookInfoState.kt

@@ -8,7 +8,13 @@ import ua.acclorite.book_story.domain.util.Constants
 @Immutable
 data class BookInfoState(
     val book: Book = Constants.EMPTY_BOOK,
+
     val isRefreshing: Boolean = false,
+    val showConfirmUpdateDialog: Boolean = false,
+    val updatedBook: Book? = null,
+    val authorChanged: Boolean = false,
+    val descriptionChanged: Boolean = false,
+    val textChanged: Boolean = false,
 
     val editTitle: Boolean = false,
     val hasFocused: Boolean = false,
@@ -17,9 +23,7 @@ data class BookInfoState(
     val showChangeCoverBottomSheet: Boolean = false,
     val showDetailsBottomSheet: Boolean = false,
 
-    val showMoreDropDown: Boolean = false,
     val showDeleteDialog: Boolean = false,
-
     val showMoveDialog: Boolean = false,
     val selectedCategory: Category = Category.READING,
 )

app/src/main/java/ua/acclorite/book_story/presentation/screens/book_info/data/BookInfoViewModel.kt

@@ -16,14 +16,15 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.model.Category
 import ua.acclorite.book_story.domain.model.History
 import ua.acclorite.book_story.domain.model.NullableBook
 import ua.acclorite.book_story.domain.use_case.DeleteBooks
 import ua.acclorite.book_story.domain.use_case.GetBookFromFile
 import ua.acclorite.book_story.domain.use_case.GetBooksById
+import ua.acclorite.book_story.domain.use_case.GetText
 import ua.acclorite.book_story.domain.use_case.InsertHistory
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
 import ua.acclorite.book_story.domain.use_case.UpdateBooksWithText
@@ -43,7 +44,8 @@ class BookInfoViewModel @Inject constructor(
     private val insertHistory: InsertHistory,
     private val deleteBooks: DeleteBooks,
     private val getBookFromFile: GetBookFromFile,
-    private val getBookById: GetBooksById
+    private val getBookById: GetBooksById,
+    private val getText: GetText
 ) : ViewModel() {
 
     private val _state = MutableStateFlow(BookInfoState())
@@ -74,7 +76,7 @@ class BookInfoViewModel @Inject constructor(
 
                     val newCoverImage = getBookById.execute(
                         listOf(
-                            _state.value.book.id ?: return@launch
+                            _state.value.book.id
                         )
                     ).first().coverImage
 
@@ -174,14 +176,6 @@ class BookInfoViewModel @Inject constructor(
                 }
             }
 
-            is BookInfoEvent.OnShowHideMoreDropDown -> {
-                _state.update {
-                    it.copy(
-                        showMoreDropDown = !it.showMoreDropDown
-                    )
-                }
-            }
-
             is BookInfoEvent.OnShowHideDeleteDialog -> {
                 _state.update {
                     it.copy(
@@ -274,7 +268,9 @@ class BookInfoViewModel @Inject constructor(
 
                     if (event.durationMillis > 0) {
                         job = viewModelScope.launch(Dispatchers.IO) {
+                            yield()
                             delay(event.durationMillis)
+                            yield()
                             event.snackbarState.currentSnackbarData?.dismiss()
                         }
                     }
@@ -293,7 +289,7 @@ class BookInfoViewModel @Inject constructor(
                 }
             }
 
-            is BookInfoEvent.OnUpdateBook -> {
+            is BookInfoEvent.OnLoadUpdate -> {
                 viewModelScope.launch(Dispatchers.IO) {
                     _state.update {
                         it.copy(
@@ -314,8 +310,7 @@ class BookInfoViewModel @Inject constructor(
                                 action = event.context.getString(R.string.retry),
                                 onAction = {
                                     onEvent(
-                                        BookInfoEvent.OnUpdateBook(
-                                            refreshList = event.refreshList,
+                                        BookInfoEvent.OnLoadUpdate(
                                             snackbarState = event.snackbarState,
                                             context = event.context
                                         )
@@ -335,17 +330,15 @@ class BookInfoViewModel @Inject constructor(
                     }
 
                     val nullableBook = getBookFromFile.execute(_state.value.book.file!!)
-
                     if (nullableBook is NullableBook.Null) {
                         onEvent(
                             BookInfoEvent.OnShowSnackbar(
                                 text = nullableBook.message?.asString(event.context)
-                                    ?: event.context.getString(R.string.error_something_went_wrong),
+                                    ?: event.context.getString(R.string.error_something_went_wrong_with_file),
                                 action = event.context.getString(R.string.retry),
                                 onAction = {
                                     onEvent(
-                                        BookInfoEvent.OnUpdateBook(
-                                            refreshList = event.refreshList,
+                                        BookInfoEvent.OnLoadUpdate(
                                             snackbarState = event.snackbarState,
                                             context = event.context
                                         )
@@ -366,24 +359,212 @@ class BookInfoViewModel @Inject constructor(
                     }
 
                     val updatedBook = nullableBook.book?.first ?: return@launch
+                    val book = _state.value.book
+
+                    var authorUpdated = false
+                    var descriptionUpdated = false
+                    var textUpdated = false
+
+                    if (
+                        updatedBook.author.asString(event.context) !=
+                        book.author.asString(event.context)
+                    ) {
+                        authorUpdated = true
+                    }
+                    if (updatedBook.description != book.description) {
+                        descriptionUpdated = true
+                    }
+                    if (
+                        updatedBook.text.map { it.line } !=
+                        book.text.ifEmpty {
+                            getText.execute(book.textPath)
+                        }.map { it.line }
+                    ) {
+                        textUpdated = true
+                    }
+
+                    if (!authorUpdated && !descriptionUpdated && !textUpdated) {
+                        onEvent(
+                            BookInfoEvent.OnShowSnackbar(
+                                event.context.getString(R.string.nothing_changed),
+                                action = null,
+                                durationMillis = 4000L,
+                                snackbarState = event.snackbarState
+                            )
+                        )
+                        delay(500)
+                        _state.update {
+                            it.copy(
+                                isRefreshing = false
+                            )
+                        }
+                        return@launch
+                    }
+
+                    onEvent(
+                        BookInfoEvent.OnShowConfirmUpdateDialog(
+                            updatedBook = updatedBook,
+                            authorUpdated = authorUpdated,
+                            descriptionUpdated = descriptionUpdated,
+                            textUpdated = textUpdated
+                        )
+                    )
+
+                    _state.update {
+                        it.copy(
+                            isRefreshing = false
+                        )
+                    }
+                }
+            }
+
+            is BookInfoEvent.OnDismissConfirmUpdateDialog -> {
+                _state.update {
+                    it.copy(
+                        showConfirmUpdateDialog = false,
+                        updatedBook = null,
+                        authorChanged = false,
+                        descriptionChanged = false,
+                        textChanged = false
+                    )
+                }
+            }
+
+            is BookInfoEvent.OnShowConfirmUpdateDialog -> {
+                _state.update {
+                    it.copy(
+                        showConfirmUpdateDialog = true,
+                        updatedBook = event.updatedBook,
+                        authorChanged = event.authorUpdated,
+                        descriptionChanged = event.descriptionUpdated,
+                        textChanged = event.textUpdated
+                    )
+                }
+            }
+
+            is BookInfoEvent.OnConfirmUpdate -> {
+                viewModelScope.launch(Dispatchers.IO) {
+                    _state.update {
+                        it.copy(
+                            isRefreshing = true,
+                            showConfirmUpdateDialog = false
+                        )
+                    }
+
+                    if (_state.value.updatedBook == null) {
+                        onEvent(
+                            BookInfoEvent.OnShowSnackbar(
+                                text = event.context.getString(
+                                    R.string.error_something_went_wrong_with_file
+                                ),
+                                action = event.context.getString(R.string.retry),
+                                onAction = {
+                                    onEvent(
+                                        BookInfoEvent.OnLoadUpdate(
+                                            snackbarState = event.snackbarState,
+                                            context = event.context
+                                        )
+                                    )
+                                },
+                                durationMillis = 4000L,
+                                snackbarState = event.snackbarState
+                            )
+                        )
+                        delay(500)
+                        _state.update {
+                            it.copy(
+                                isRefreshing = false
+                            )
+                        }
+                        return@launch
+                    }
+
+                    val book = _state.value.book
+                    val updatedBook = _state.value.updatedBook ?: return@launch
+
+                    val author = if (_state.value.authorChanged) {
+                        updatedBook.author
+                    } else {
+                        book.author
+                    }
+                    val description = if (_state.value.descriptionChanged) {
+                        updatedBook.description
+                    } else {
+                        book.description
+                    }
+                    val text = if (_state.value.textChanged) {
+                        updatedBook.text
+                    } else {
+                        book.text
+                    }
 
                     _state.update {
                         it.copy(
                             book = it.book.copy(
-                                author = updatedBook.author,
-                                description = updatedBook.description
+                                author = author,
+                                description = description,
+                                text = text
                             )
                         )
                     }
-                    updateBooksWithText.execute(
-                        listOf(
-                            _state.value.book.copy(
-                                author = updatedBook.author,
-                                description = updatedBook.description,
-                                text = updatedBook.text
+
+                    if (_state.value.textChanged) {
+                        val isSuccess = updateBooksWithText.execute(
+                            listOf(
+                                _state.value.book
                             )
                         )
-                    )
+
+                        if (!isSuccess) {
+                            onEvent(
+                                BookInfoEvent.OnShowSnackbar(
+                                    text = event.context.getString(
+                                        R.string.error_something_went_wrong_with_file
+                                    ),
+                                    action = event.context.getString(R.string.retry),
+                                    onAction = {
+                                        onEvent(
+                                            BookInfoEvent.OnLoadUpdate(
+                                                snackbarState = event.snackbarState,
+                                                context = event.context
+                                            )
+                                        )
+                                    },
+                                    durationMillis = 4000L,
+                                    snackbarState = event.snackbarState
+                                )
+                            )
+                            delay(500)
+                            _state.update {
+                                it.copy(
+                                    isRefreshing = false
+                                )
+                            }
+                            return@launch
+                        }
+                    } else {
+                        updateBooks.execute(
+                            listOf(
+                                _state.value.book
+                            )
+                        )
+                    }
+
+                    if (_state.value.textChanged) {
+                        val newBook = getBookById.execute(
+                            listOf(_state.value.book.id)
+                        ).first()
+
+                        _state.update {
+                            it.copy(
+                                book = newBook,
+                                authorChanged = false,
+                                descriptionChanged = false,
+                                textChanged = false,
+                                updatedBook = null
+                            )
+                        }
+                    }
                     event.refreshList(_state.value.book)
 
                     onEvent(
@@ -406,14 +587,13 @@ class BookInfoViewModel @Inject constructor(
 
             is BookInfoEvent.OnNavigateToReaderScreen -> {
                 viewModelScope.launch {
-                    _state.value.book.id?.let {
+                    _state.value.book.id.let {
                         insertHistory.execute(
                             listOf(
                                 History(
-                                    null,
-                                    it,
-                                    null,
-                                    Date().time
+                                    bookId = it,
+                                    book = null,
+                                    time = Date().time
                                 )
                             )
                         )
@@ -422,7 +602,7 @@ class BookInfoViewModel @Inject constructor(
                         Screen.READER,
                         false,
                         Argument(
-                            "book", _state.value.book
+                            "book", _state.value.book.id
                         )
                     )
                 }
@@ -432,15 +612,22 @@ class BookInfoViewModel @Inject constructor(
 
     fun init(navigator: Navigator) {
         viewModelScope.launch {
-            val book = navigator.retrieveArgument("book") as? Book
+            val bookId = navigator.retrieveArgument("book") as? Int
 
-            if (book == null) {
+            if (bookId == null) {
+                navigator.navigateBack()
+                return@launch
+            }
+
+            val book = getBookById.execute(listOf(bookId))
+
+            if (book.isEmpty()) {
                 navigator.navigateBack()
                 return@launch
             }
 
             _state.update {
-                BookInfoState(book = book)
+                BookInfoState(book = book.first())
             }
         }
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/BrowseScreen.kt

@@ -67,7 +67,6 @@ import ua.acclorite.book_story.presentation.screens.browse.data.BrowseViewModel
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(
     ExperimentalMaterial3Api::class,
@@ -96,6 +95,7 @@ fun BrowseScreen(
     var showErrorMessage by remember { mutableStateOf(false) }
 
     LaunchedEffect(Unit) {
+        viewModel.onEvent(BrowseEvent.OnUpdateScrollOffset)
         viewModel.onEvent(
             BrowseEvent.OnPermissionCheck(
                 permissionState,
@@ -124,9 +124,6 @@ fun BrowseScreen(
         containerColor = MaterialTheme.colorScheme.surface,
         topBar = {
             AnimatedTopAppBar(
-                containerColor = MaterialTheme.colorScheme.surface,
-                scrolledContainerColor = MaterialTheme.elevation(),
-
                 scrollBehavior = null,
                 isTopBarScrolled = state.hasSelectedItems || state.listState.canScrollBackward,
 
@@ -138,7 +135,7 @@ fun BrowseScreen(
                 content1Actions = {
                     CustomIconButton(
                         icon = Icons.Default.Search,
-                        contentDescription = stringResource(id = R.string.search_content_desc),
+                        contentDescription = R.string.search_content_desc,
                         disableOnClick = true
                     ) {
                         viewModel.onEvent(BrowseEvent.OnSearchShowHide)
@@ -150,8 +147,7 @@ fun BrowseScreen(
                 content2NavigationIcon = {
                     CustomIconButton(
                         icon = Icons.Default.Clear,
-                        contentDescription =
-                        stringResource(id = R.string.clear_selected_items_content_desc),
+                        contentDescription = R.string.clear_selected_items_content_desc,
                         disableOnClick = true
                     ) {
                         viewModel.onEvent(BrowseEvent.OnClearSelectedFiles)
@@ -170,8 +166,7 @@ fun BrowseScreen(
                 content2Actions = {
                     CustomIconButton(
                         icon = Icons.Default.Check,
-                        contentDescription =
-                        stringResource(id = R.string.add_files_content_desc),
+                        contentDescription = R.string.add_files_content_desc,
                         disableOnClick = false,
                         enabled = !state.showAddingDialog
                     ) {
@@ -183,9 +178,7 @@ fun BrowseScreen(
                 content3NavigationIcon = {
                     CustomIconButton(
                         icon = Icons.AutoMirrored.Default.ArrowBack,
-                        contentDescription = stringResource(
-                            id = R.string.exit_search_content_desc
-                        ),
+                        contentDescription = R.string.exit_search_content_desc,
                         disableOnClick = true
                     ) {
                         viewModel.onEvent(BrowseEvent.OnSearchShowHide)
@@ -256,8 +249,7 @@ fun BrowseScreen(
                     ) { selectableFile ->
                         BrowseFileItem(
                             file = selectableFile,
-                            modifier = Modifier
-                                .animateItemPlacement(),
+                            modifier = Modifier.animateItemPlacement(),
                             hasSelectedFiles = state.selectableFiles.any { it.second },
                             onLongClick = {
                                 Toast.makeText(

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/BrowseFIleItem.kt

@@ -1,7 +1,5 @@
 package ua.acclorite.book_story.presentation.screens.browse.components
 
-import androidx.compose.animation.animateColorAsState
-import androidx.compose.animation.core.tween
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
@@ -23,7 +21,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -71,24 +68,13 @@ fun BrowseFileItem(
     val backgroundColor = if (file.second) MaterialTheme.colorScheme.secondaryContainer
     else Color.Transparent
 
-    val animatedOutlineColor by animateColorAsState(
-        targetValue = outlineColor,
-        tween(300),
-        label = stringResource(id = R.string.outline_anim_content_desc)
-    )
-    val animatedBackgroundColor by animateColorAsState(
-        targetValue = backgroundColor,
-        tween(300),
-        label = stringResource(id = R.string.background_anim_content_desc)
-    )
-
     Row(
         verticalAlignment = Alignment.CenterVertically,
         modifier = modifier
             .fillMaxWidth()
             .padding(horizontal = 8.dp, vertical = 3.dp)
             .clip(RoundedCornerShape(10.dp))
-            .background(animatedBackgroundColor)
+            .background(backgroundColor)
             .combinedClickable(
                 onLongClick = {
                     onLongClick()
@@ -107,7 +93,7 @@ fun BrowseFileItem(
                 modifier = Modifier
                     .border(
                         1.dp,
-                        animatedOutlineColor,
+                        outlineColor,
                         RoundedCornerShape(6.dp)
                     )
                     .padding(14.dp),
@@ -153,7 +139,11 @@ fun BrowseFileItem(
             DefaultTransition(
                 visible = hasSelectedFiles
             ) {
-                CustomCheckbox(selected = file.second, size = 18.dp)
+                CustomCheckbox(
+                    selected = file.second,
+                    containerColor = MaterialTheme.colorScheme.surface,
+                    size = 18.dp
+                )
             }
         }
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/adding_dialog/BrowseAddingDialog.kt

@@ -6,9 +6,9 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material.CircularProgressIndicator
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.AddChart
+import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
@@ -55,14 +55,23 @@ fun BrowseAddingDialog(
                     resetScroll = {
                         libraryViewModel.onEvent(LibraryEvent.OnUpdateCurrentPage(0))
                         libraryViewModel.onEvent(LibraryEvent.OnLoadList)
+                    },
+                    onFailed = {
+                        Toast.makeText(
+                            context,
+                            context.getString(R.string.error_something_went_wrong),
+                            Toast.LENGTH_LONG
+                        ).show()
+                    },
+                    onSuccess = {
+                        Toast.makeText(
+                            context,
+                            context.getString(R.string.books_added),
+                            Toast.LENGTH_LONG
+                        ).show()
                     }
                 )
             )
-            Toast.makeText(
-                context,
-                context.getString(R.string.books_added),
-                Toast.LENGTH_LONG
-            ).show()
         },
         withDivider = true,
         items = {

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/components/adding_dialog/BrowseAddingDialogItem.kt

@@ -59,7 +59,10 @@ fun BrowseAddingDialogItem(result: Pair<NullableBook, Selected>, onClick: (Boole
                 )
             }
             Box(modifier = Modifier.weight(0.15f), contentAlignment = Alignment.CenterEnd) {
-                CustomCheckbox(selected = result.second)
+                CustomCheckbox(
+                    selected = result.second,
+                    MaterialTheme.colorScheme.surfaceContainerHigh
+                )
             }
         }
     } else {

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/data/BrowseEvent.kt

@@ -39,7 +39,13 @@ sealed class BrowseEvent {
     data object OnAddingDialogRequest : BrowseEvent()
     data object OnAddingDialogDismiss : BrowseEvent()
     data object OnGetBooksFromFiles : BrowseEvent()
-    data class OnAddBooks(val navigator: Navigator, val resetScroll: () -> Unit) : BrowseEvent()
-    data object OnLoadList : BrowseEvent()
+    data class OnAddBooks(
+        val navigator: Navigator,
+        val resetScroll: () -> Unit,
+        val onFailed: () -> Unit,
+        val onSuccess: () -> Unit
+    ) : BrowseEvent()
 
+    data object OnLoadList : BrowseEvent()
+    data object OnUpdateScrollOffset : BrowseEvent()
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/browse/data/BrowseViewModel.kt

@@ -18,13 +18,12 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
 import ua.acclorite.book_story.domain.model.NullableBook
-import ua.acclorite.book_story.domain.use_case.FastGetBooks
 import ua.acclorite.book_story.domain.use_case.GetBooksFromFiles
 import ua.acclorite.book_story.domain.use_case.GetFilesFromDevice
 import ua.acclorite.book_story.domain.use_case.InsertBooks
 import ua.acclorite.book_story.domain.util.Resource
-import ua.acclorite.book_story.presentation.data.Argument
 import ua.acclorite.book_story.presentation.data.Screen
 import javax.inject.Inject
 
@@ -33,8 +32,7 @@ import javax.inject.Inject
 class BrowseViewModel @Inject constructor(
     private val getBooksFromFiles: GetBooksFromFiles,
     private val getFilesFromDevice: GetFilesFromDevice,
-    private val insertBooks: InsertBooks,
-    private val fastGetBooks: FastGetBooks
+    private val insertBooks: InsertBooks
 ) : ViewModel() {
 
     private val _state = MutableStateFlow(BrowseState())
@@ -42,6 +40,7 @@ class BrowseViewModel @Inject constructor(
 
     private var job: Job? = null
     private var job2: Job? = null
+    private var job3: Job? = null
 
     init {
         viewModelScope.launch(Dispatchers.IO) {
@@ -138,7 +137,7 @@ class BrowseViewModel @Inject constructor(
                             listState = LazyListState(0, 0)
                         )
                     }
-
+                    yield()
                     getFilesFromDownloads("")
                     delay(500)
                     _state.update {
@@ -270,6 +269,7 @@ class BrowseViewModel @Inject constructor(
                 job?.cancel()
                 job = viewModelScope.launch(Dispatchers.IO) {
                     delay(500)
+                    yield()
                     getFilesFromDownloads()
                 }
             }
@@ -280,6 +280,7 @@ class BrowseViewModel @Inject constructor(
                         showAddingDialog = false
                     )
                 }
+                job3?.cancel(null)
             }
 
             is BrowseEvent.OnAddingDialogRequest -> {
@@ -293,18 +294,29 @@ class BrowseViewModel @Inject constructor(
             }
 
             is BrowseEvent.OnGetBooksFromFiles -> {
-                viewModelScope.launch(Dispatchers.IO) {
+                job3 = viewModelScope.launch(Dispatchers.IO) {
                     _state.update {
                         it.copy(
                             isBooksLoading = true
                         )
                     }
 
-                    val books = getBooksFromFiles.execute(
-                        _state.value.selectableFiles
-                            .filter { it.second }
-                            .map { it.first }
-                    )
+                    yield()
+
+                    val books = mutableListOf<NullableBook>()
+                    _state.value.selectableFiles
+                        .filter { it.second }
+                        .map { it.first }
+                        .forEach {
+                            yield()
+                            books.add(
+                                getBooksFromFiles.execute(
+                                    listOf(it)
+                                ).first()
+                            )
+                        }
+
+                    yield()
 
                     _state.update {
                         it.copy(
@@ -326,21 +338,21 @@ class BrowseViewModel @Inject constructor(
                         return@launch
                     }
 
-                    insertBooks.execute(booksToInsert)
-                    val books = fastGetBooks.execute("")
+                    if (!insertBooks.execute(booksToInsert)) {
+                        event.onFailed()
+                        return@launch
+                    }
 
                     event.resetScroll()
                     event.navigator.navigate(
                         Screen.LIBRARY,
-                        false,
-                        Argument("added_books", books)
+                        false
                     )
+                    event.onSuccess()
 
                     _state.update {
                         it.copy(
-                            showAddingDialog = false,
-                            selectableFiles = emptyList(),
-                            listState = LazyListState(0, 0)
+                            showAddingDialog = false
                         )
                     }
                     onEvent(BrowseEvent.OnLoadList)
@@ -360,6 +372,17 @@ class BrowseViewModel @Inject constructor(
                     getFilesFromDownloads()
                 }
             }
+
+            is BrowseEvent.OnUpdateScrollOffset -> {
+                _state.update {
+                    it.copy(
+                        listState = LazyListState(
+                            it.listState.firstVisibleItemIndex,
+                            0
+                        )
+                    )
+                }
+            }
         }
     }
 
@@ -378,8 +401,6 @@ class BrowseViewModel @Inject constructor(
                     }
                 }
 
-                is Resource.Loading -> Unit
-
                 is Resource.Error -> Unit
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/HelpScreen.kt

@@ -0,0 +1,85 @@
+package ua.acclorite.book_story.presentation.screens.help
+
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.navigationBars
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.windowInsetsPadding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.LargeTopAppBar
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.GoBackButton
+import ua.acclorite.book_story.presentation.data.Navigator
+import ua.acclorite.book_story.presentation.screens.help.components.HelpClickableNote
+import ua.acclorite.book_story.presentation.screens.help.data.HelpViewModel
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun HelpScreen(
+    viewModel: HelpViewModel = hiltViewModel(),
+    navigator: Navigator
+) {
+    val context = LocalContext.current
+    val listState = rememberLazyListState()
+    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior(
+        canScroll = {
+            listState.canScrollForward || listState.canScrollBackward
+        }
+    )
+
+    Scaffold(
+        Modifier
+            .fillMaxSize()
+            .nestedScroll(scrollBehavior.nestedScrollConnection)
+            .windowInsetsPadding(WindowInsets.navigationBars),
+        containerColor = MaterialTheme.colorScheme.surface,
+        topBar = {
+            LargeTopAppBar(
+                title = {
+                    Text(stringResource(id = R.string.help_screen))
+                },
+                navigationIcon = {
+                    GoBackButton(navigator = navigator)
+                },
+                scrollBehavior = scrollBehavior,
+                colors = TopAppBarDefaults.largeTopAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surface,
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
+                )
+            )
+        }
+    ) { paddingValues ->
+        LazyColumn(
+            Modifier
+                .fillMaxSize()
+                .padding(top = paddingValues.calculateTopPadding())
+                .padding(horizontal = 18.dp),
+            state = listState
+        ) {
+            item { Spacer(modifier = Modifier.height(16.dp)) }
+
+            item { HelpClickableNote() }
+
+            item { Spacer(modifier = Modifier.height(16.dp)) }
+
+            /* TODO Help screen */
+
+            item { Spacer(modifier = Modifier.height(48.dp)) }
+        }
+    }
+}

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/components/HelpClickableNote.kt

@@ -0,0 +1,83 @@
+package ua.acclorite.book_story.presentation.screens.help.components
+
+import android.widget.Toast
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ExperimentalLayoutApi
+import androidx.compose.foundation.layout.FlowRow
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Info
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import ua.acclorite.book_story.R
+
+@OptIn(ExperimentalLayoutApi::class)
+@Composable
+fun HelpClickableNote() {
+    val context = LocalContext.current
+
+    Column {
+        Icon(
+            imageVector = Icons.Outlined.Info,
+            contentDescription = stringResource(id = R.string.note_content_desc),
+            modifier = Modifier
+                .size(20.dp),
+            tint = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        FlowRow(verticalArrangement = Arrangement.spacedBy(1.dp)) {
+            Text(
+                stringResource(id = R.string.clickable_note_1) + " ",
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                modifier = Modifier.align(Alignment.CenterVertically)
+            )
+            Text(
+                stringResource(id = R.string.clickable_note_2) + " ",
+                style = MaterialTheme.typography.bodySmall,
+                fontWeight = FontWeight.Medium,
+                color = MaterialTheme.colorScheme.tertiary,
+                modifier = Modifier
+                    .align(Alignment.CenterVertically)
+                    .clickable(
+                        interactionSource = null,
+                        indication = null,
+                        onClick = {
+                            Toast
+                                .makeText(
+                                    context,
+                                    context.getString(R.string.clickable_note_action),
+                                    Toast.LENGTH_SHORT
+                                )
+                                .show()
+                        }
+                    )
+            )
+            Text(
+                stringResource(id = R.string.clickable_note_3),
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                modifier = Modifier.align(Alignment.CenterVertically)
+            )
+        }
+    }
+
+}
+
+
+
+
+
+

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/data/HelpEvent.kt

@@ -0,0 +1,11 @@
+package ua.acclorite.book_story.presentation.screens.help.data
+
+import android.content.Context
+
+sealed class HelpEvent {
+    data class OnNavigateToBrowserPage(
+        val page: String,
+        val context: Context,
+        val noAppsFound: () -> Unit
+    ) : HelpEvent()
+}

app/src/main/java/ua/acclorite/book_story/presentation/screens/help/data/HelpViewModel.kt

@@ -0,0 +1,43 @@
+package ua.acclorite.book_story.presentation.screens.help.data
+
+import android.content.Intent
+import android.net.Uri
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class HelpViewModel @Inject constructor(
+
+) : ViewModel() {
+
+    fun onEvent(event: HelpEvent) {
+        when (event) {
+            is HelpEvent.OnNavigateToBrowserPage -> {
+                viewModelScope.launch {
+                    val intent = Intent(
+                        Intent.ACTION_VIEW,
+                        Uri.parse(event.page)
+                    )
+
+                    if (intent.resolveActivity(event.context.packageManager) != null) {
+                        event.context.startActivity(intent)
+                        return@launch
+                    }
+
+                    event.noAppsFound()
+                }
+            }
+        }
+    }
+}
+
+
+
+
+
+
+
+

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/HistoryScreen.kt

@@ -30,6 +30,7 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
@@ -64,8 +65,6 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
-import ua.acclorite.book_story.presentation.ui.elevation
-import java.util.UUID
 
 @OptIn(
     ExperimentalMaterial3Api::class,
@@ -88,6 +87,10 @@ fun HistoryScreen(
     val focusRequester = remember { FocusRequester() }
     val snackbarState = remember { SnackbarHostState() }
 
+    LaunchedEffect(Unit) {
+        viewModel.onEvent(HistoryEvent.OnUpdateScrollOffset)
+    }
+
     if (state.showDeleteWholeHistoryDialog) {
         HistoryDeleteWholeHistoryDialog(viewModel = viewModel, libraryViewModel = libraryViewModel)
     }
@@ -99,7 +102,6 @@ fun HistoryScreen(
         containerColor = MaterialTheme.colorScheme.surface,
         topBar = {
             AnimatedTopAppBar(
-                scrolledContainerColor = MaterialTheme.elevation(),
                 scrollBehavior = null,
                 isTopBarScrolled = state.listState.canScrollBackward,
 
@@ -113,16 +115,14 @@ fun HistoryScreen(
                 content1Actions = {
                     CustomIconButton(
                         icon = Icons.Default.Search,
-                        contentDescription = stringResource(id = R.string.search_content_desc),
+                        contentDescription = R.string.search_content_desc,
                         disableOnClick = true,
                     ) {
                         viewModel.onEvent(HistoryEvent.OnSearchShowHide)
                     }
                     CustomIconButton(
                         icon = Icons.Outlined.DeleteSweep,
-                        contentDescription = stringResource(
-                            id = R.string.delete_whole_history_content_desc
-                        ),
+                        contentDescription = R.string.delete_whole_history_content_desc,
                         disableOnClick = false,
                         enabled = !state.isLoading
                                 && !state.isRefreshing
@@ -138,9 +138,7 @@ fun HistoryScreen(
                 content2NavigationIcon = {
                     CustomIconButton(
                         icon = Icons.AutoMirrored.Default.ArrowBack,
-                        contentDescription = stringResource(
-                            id = R.string.exit_search_content_desc
-                        ),
+                        contentDescription = R.string.exit_search_content_desc,
                         disableOnClick = true
                     ) {
                         viewModel.onEvent(HistoryEvent.OnSearchShowHide)
@@ -229,7 +227,7 @@ fun HistoryScreen(
                         }
 
                         items(
-                            groupedHistory.history, key = { it.id ?: UUID.randomUUID() }
+                            groupedHistory.history, key = { it.id }
                         ) {
                             HistoryItem(
                                 modifier = Modifier.animateItemPlacement(),
@@ -239,14 +237,14 @@ fun HistoryScreen(
                                     navigator.navigate(
                                         Screen.BOOK_INFO,
                                         false,
-                                        Argument("book", it.book)
+                                        Argument("book", it.bookId)
                                     )
                                 },
                                 onTitleClick = {
                                     viewModel.onEvent(
                                         HistoryEvent.OnNavigateToReaderScreen(
                                             navigator,
-                                            it.book
+                                            it.book!!
                                         )
                                     )
                                 },

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/components/HistoryItem.kt

@@ -19,7 +19,6 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Image
 import androidx.compose.material.icons.outlined.Delete
 import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -27,15 +26,14 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import coil.compose.AsyncImage
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.History
-import ua.acclorite.book_story.presentation.ui.elevation
+import ua.acclorite.book_story.presentation.components.CustomCoverImage
+import ua.acclorite.book_story.presentation.components.CustomIconButton
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -76,16 +74,14 @@ fun HistoryItem(
                     .height(90.dp)
                     .width(60.dp)
                     .clip(RoundedCornerShape(10.dp))
-                    .background(MaterialTheme.elevation())
+                    .background(MaterialTheme.colorScheme.surfaceContainerLow)
             ) {
                 if (history.book?.coverImage != null) {
-                    AsyncImage(
-                        model = history.book.coverImage,
-                        contentDescription = stringResource(id = R.string.cover_image_content_desc),
+                    CustomCoverImage(
+                        uri = history.book.coverImage,
                         modifier = Modifier
                             .fillMaxSize()
-                            .clip(RoundedCornerShape(10.dp)),
-                        contentScale = ContentScale.Crop
+                            .clip(RoundedCornerShape(10.dp))
                     )
                 } else {
                     Icon(
@@ -97,7 +93,7 @@ fun HistoryItem(
                             .align(Alignment.Center)
                             .fillMaxWidth(0.7f)
                             .aspectRatio(1f),
-                        tint = MaterialTheme.elevation(12.dp)
+                        tint = MaterialTheme.colorScheme.surfaceContainerHigh
                     )
                 }
             }
@@ -137,17 +133,14 @@ fun HistoryItem(
             }
         }
         Box(modifier = Modifier.weight(0.11f), contentAlignment = Alignment.CenterEnd) {
-            IconButton(
-                enabled = isDeleteEnabled && isOnClickEnabled,
-                onClick = {
-                    onDeleteClick()
-                }
+            CustomIconButton(
+                icon = Icons.Outlined.Delete,
+                contentDescription = R.string.delete_history_element_content_desc,
+                disableOnClick = true,
+                enabled = isDeleteEnabled,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
             ) {
-                Icon(
-                    imageVector = Icons.Outlined.Delete,
-                    contentDescription = "Delete this history element",
-                    tint = MaterialTheme.colorScheme.onSurfaceVariant
-                )
+                onDeleteClick()
             }
         }
     }

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/data/HistoryEvent.kt

@@ -25,6 +25,8 @@ sealed class HistoryEvent {
     data class OnUpdateBook(val book: Book) : HistoryEvent()
     data class OnNavigateToReaderScreen(
         val navigator: Navigator,
-        val book: Book?
+        val book: Book
     ) : HistoryEvent()
+
+    data object OnUpdateScrollOffset : HistoryEvent()
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/history/data/HistoryViewModel.kt

@@ -12,6 +12,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.GroupedHistory
 import ua.acclorite.book_story.domain.model.History
@@ -69,7 +70,9 @@ class HistoryViewModel @Inject constructor(
                         )
                     }
 
+                    yield()
                     getHistoryFromDatabase("")
+
                     delay(500)
                     _state.update {
                         it.copy(
@@ -121,14 +124,27 @@ class HistoryViewModel @Inject constructor(
                         listOf(event.historyToDelete)
                     )
 
-                    onEvent(HistoryEvent.OnRefreshList)
+                    _state.update {
+                        it.copy(
+                            isRefreshing = true
+                        )
+                    }
+                    getHistoryFromDatabase()
+                    _state.update {
+                        it.copy(
+                            isRefreshing = false
+                        )
+                    }
+
                     event.refreshList()
 
                     job2?.cancel()
                     event.snackbarState.currentSnackbarData?.dismiss()
 
                     job2 = viewModelScope.launch(Dispatchers.IO) {
+                        yield()
                         delay(10000)
+                        yield()
                         event.snackbarState.currentSnackbarData?.dismiss()
                     }
                     val snackbar = event.snackbarState.showSnackbar(
@@ -143,7 +159,18 @@ class HistoryViewModel @Inject constructor(
                                 listOf(event.historyToDelete)
                             )
                             event.refreshList()
-                            onEvent(HistoryEvent.OnRefreshList)
+                            _state.update {
+                                it.copy(
+                                    isRefreshing = true
+                                )
+                            }
+                            getHistoryFromDatabase()
+                            delay(500)
+                            _state.update {
+                                it.copy(
+                                    isRefreshing = false
+                                )
+                            }
                         }
                     }
                 }
@@ -180,6 +207,7 @@ class HistoryViewModel @Inject constructor(
                 job?.cancel()
                 job = viewModelScope.launch(Dispatchers.IO) {
                     delay(500)
+                    yield()
                     getHistoryFromDatabase()
                 }
             }
@@ -221,14 +249,13 @@ class HistoryViewModel @Inject constructor(
 
             is HistoryEvent.OnNavigateToReaderScreen -> {
                 viewModelScope.launch {
-                    event.book?.id?.let {
+                    event.book.id.let {
                         insertHistory.execute(
                             listOf(
                                 History(
-                                    null,
-                                    it,
-                                    null,
-                                    Date().time
+                                    bookId = it,
+                                    book = null,
+                                    time = Date().time
                                 )
                             )
                         )
@@ -237,7 +264,18 @@ class HistoryViewModel @Inject constructor(
                         Screen.READER,
                         false,
                         Argument(
-                            "book", event.book
+                            "book", event.book.id
+                        )
+                    )
+                }
+            }
+
+            is HistoryEvent.OnUpdateScrollOffset -> {
+                _state.update {
+                    it.copy(
+                        listState = LazyListState(
+                            it.listState.firstVisibleItemIndex,
+                            0
                         )
                     )
                 }
@@ -343,8 +381,6 @@ class HistoryViewModel @Inject constructor(
                     }
                 }
 
-                is Resource.Loading -> Unit
-
                 is Resource.Error -> Unit
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/LibraryScreen.kt

@@ -21,8 +21,10 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.grid.GridCells
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.lazy.grid.rememberLazyGridState
 import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.rememberPagerState
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.BasicTextField
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.ExperimentalMaterialApi
@@ -43,7 +45,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -86,8 +87,6 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
 import ua.acclorite.book_story.presentation.ui.DefaultTransition
 import ua.acclorite.book_story.presentation.ui.Transitions
-import ua.acclorite.book_story.presentation.ui.elevation
-import java.util.UUID
 
 @OptIn(
     ExperimentalFoundationApi::class, ExperimentalMaterial3Api::class,
@@ -105,6 +104,7 @@ fun LibraryScreen(
         initialPage = state.currentPage,
         pageCount = { Category.entries.size }
     )
+    var isScrollInProgress by remember { mutableStateOf(false) }
     val refreshState = rememberPullRefreshState(
         refreshing = state.isRefreshing,
         onRefresh = {
@@ -145,9 +145,6 @@ fun LibraryScreen(
         topBar = {
             Column(Modifier.fillMaxWidth()) {
                 AnimatedTopAppBar(
-                    containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation(),
-
                     scrollBehavior = null,
                     isTopBarScrolled = state.hasSelectedItems,
 
@@ -160,8 +157,8 @@ fun LibraryScreen(
                             Text(
                                 text = state.books.size.toString(),
                                 modifier = Modifier
-                                    .clip(MaterialTheme.shapes.medium)
-                                    .background(MaterialTheme.elevation(elevation = 6.dp))
+                                    .clip(RoundedCornerShape(14.dp))
+                                    .background(MaterialTheme.colorScheme.surfaceContainer)
                                     .padding(horizontal = 8.dp, vertical = 3.dp),
                                 color = MaterialTheme.colorScheme.onSurfaceVariant,
                                 fontSize = 16.sp
@@ -171,7 +168,7 @@ fun LibraryScreen(
                     content1Actions = {
                         CustomIconButton(
                             icon = Icons.Default.Search,
-                            contentDescription = stringResource(id = R.string.search_content_desc),
+                            contentDescription = R.string.search_content_desc,
                             disableOnClick = true,
                         ) {
                             viewModel.onEvent(LibraryEvent.OnSearchShowHide)
@@ -183,8 +180,7 @@ fun LibraryScreen(
                     content2NavigationIcon = {
                         CustomIconButton(
                             icon = Icons.Default.Clear,
-                            contentDescription =
-                            stringResource(id = R.string.clear_selected_items_content_desc),
+                            contentDescription = R.string.clear_selected_items_content_desc,
                             disableOnClick = true
                         ) {
                             viewModel.onEvent(LibraryEvent.OnClearSelectedBooks)
@@ -203,9 +199,7 @@ fun LibraryScreen(
                     content2Actions = {
                         CustomIconButton(
                             icon = Icons.AutoMirrored.Outlined.DriveFileMove,
-                            contentDescription = stringResource(
-                                id = R.string.move_books_content_desc
-                            ),
+                            contentDescription = R.string.move_books_content_desc,
                             enabled = !state.isLoading
                                     && !state.isRefreshing
                                     && !state.showMoveDialog,
@@ -216,9 +210,7 @@ fun LibraryScreen(
                         }
                         CustomIconButton(
                             icon = Icons.Outlined.Delete,
-                            contentDescription = stringResource(
-                                id = R.string.delete_books_content_desc
-                            ),
+                            contentDescription = R.string.delete_books_content_desc,
                             enabled = !state.isLoading
                                     && !state.isRefreshing
                                     && !state.showDeleteDialog,
@@ -232,9 +224,7 @@ fun LibraryScreen(
                     content3NavigationIcon = {
                         CustomIconButton(
                             icon = Icons.AutoMirrored.Default.ArrowBack,
-                            contentDescription = stringResource(
-                                id = R.string.exit_search_content_desc
-                            ),
+                            contentDescription = R.string.exit_search_content_desc,
                             disableOnClick = true
                         ) {
                             viewModel.onEvent(
@@ -289,7 +279,7 @@ fun LibraryScreen(
                 )
                 LibraryTabRow(
                     viewModel = viewModel,
-                    books = state.books.map { it.first },
+                    books = state.categorizedBooks,
                     pagerState = pagerState
                 )
             }
@@ -300,34 +290,40 @@ fun LibraryScreen(
                 .fillMaxSize()
                 .padding(top = paddingValues.calculateTopPadding())
         ) {
-            HorizontalPager(state = pagerState, userScrollEnabled = !state.isRefreshing) { index ->
-                var categoryIsLoading by remember { mutableStateOf(true) }
-                val categorizedBooks = remember { mutableStateListOf<Pair<Book, Selected>>() }
+            HorizontalPager(
+                state = pagerState,
+                userScrollEnabled = !isScrollInProgress
+            ) { index ->
                 val category = remember { Category.entries[index] }
+                val books = remember(state.categorizedBooks) {
+                    state.categorizedBooks.find {
+                        it.category == category
+                    }?.books?.sortedWith(
+                        compareByDescending<Pair<Book, Selected>> { it.first.lastOpened }
+                            .thenBy { it.first.title }
+                    ) ?: emptyList()
+                }
+                val listState = rememberLazyGridState()
 
-                LaunchedEffect(state.books) {
-                    categorizedBooks.clear()
-                    categorizedBooks.addAll(
-                        state.books
-                            .filter { it.first.category == category }
-                            .sortedWith(
-                                compareByDescending<Pair<Book, Selected>> { it.first.lastOpened }
-                                    .thenBy { it.first.title }
-                            )
-                    )
-                    categoryIsLoading = false
+                LaunchedEffect(listState.isScrollInProgress, pagerState.currentPage) {
+                    if (listState.isScrollInProgress != isScrollInProgress
+                        && pagerState.currentPage == state.currentPage
+                    ) {
+                        isScrollInProgress = listState.isScrollInProgress
+                    }
                 }
 
                 Box(modifier = Modifier.fillMaxSize()) {
-                    DefaultTransition(visible = !state.isLoading && !categoryIsLoading) {
+                    DefaultTransition(visible = !state.isLoading) {
                         LazyVerticalGrid(
                             columns = GridCells.Adaptive(120.dp),
                             modifier = Modifier.fillMaxSize(),
+                            state = listState,
                             contentPadding = PaddingValues(8.dp)
                         ) {
                             items(
-                                categorizedBooks,
-                                key = { it.first.id ?: UUID.randomUUID() }
+                                books,
+                                key = { it.first.id }
                             ) {
                                 LibraryBookItem(
                                     book = it,
@@ -339,7 +335,7 @@ fun LibraryScreen(
                                             navigator.navigate(
                                                 Screen.BOOK_INFO,
                                                 false,
-                                                Argument("book", it.first)
+                                                Argument("book", it.first.id)
                                             )
                                         }
                                     },
@@ -364,8 +360,7 @@ fun LibraryScreen(
                     AnimatedVisibility(
                         visible = !state.isLoading
                                 && !state.isRefreshing
-                                && categorizedBooks.isEmpty()
-                                && !categoryIsLoading,
+                                && books.isEmpty(),
                         modifier = Modifier.align(Alignment.Center),
                         enter = Transitions.DefaultTransitionIn,
                         exit = fadeOut(tween(0))
@@ -379,16 +374,16 @@ fun LibraryScreen(
                             navigator.navigate(Screen.BROWSE, false)
                         }
                     }
-
-                    PullRefreshIndicator(
-                        state.isRefreshing,
-                        refreshState,
-                        Modifier.align(Alignment.TopCenter),
-                        backgroundColor = MaterialTheme.colorScheme.inverseSurface,
-                        contentColor = MaterialTheme.colorScheme.inverseOnSurface
-                    )
                 }
             }
+
+            PullRefreshIndicator(
+                state.isRefreshing,
+                refreshState,
+                Modifier.align(Alignment.TopCenter),
+                backgroundColor = MaterialTheme.colorScheme.inverseSurface,
+                contentColor = MaterialTheme.colorScheme.inverseOnSurface
+            )
         }
     }
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/LibraryBookItem.kt

@@ -1,7 +1,5 @@
 package ua.acclorite.book_story.presentation.screens.library.components
 
-import androidx.compose.animation.animateColorAsState
-import androidx.compose.animation.core.tween
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.combinedClickable
@@ -23,24 +21,21 @@ import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.util.Selected
+import ua.acclorite.book_story.presentation.components.CustomCoverImage
 import ua.acclorite.book_story.presentation.data.removeDigits
 import ua.acclorite.book_story.presentation.data.removeTrailingZero
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Library list element item.
@@ -54,10 +49,18 @@ fun LibraryBookItem(
     onLongClick: () -> Unit,
     onButtonClick: () -> Unit
 ) {
-    val backgroundColor = if (book.second) MaterialTheme.colorScheme.primary
-    else Color.Transparent
-    val fontColor = if (book.second) MaterialTheme.colorScheme.onPrimary
-    else MaterialTheme.colorScheme.onSurface
+    val primaryColor = MaterialTheme.colorScheme.primary
+    val onPrimaryColor = MaterialTheme.colorScheme.onPrimary
+    val onSurfaceColor = MaterialTheme.colorScheme.onSurface
+
+    val backgroundColor = remember(book.second) {
+        if (book.second) primaryColor
+        else Color.Transparent
+    }
+    val fontColor = remember(book.second) {
+        if (book.second) onPrimaryColor
+        else onSurfaceColor
+    }
 
     val progress = remember(book.first) {
         "${
@@ -68,22 +71,11 @@ fun LibraryBookItem(
         }%"
     }
 
-    val animatedBackgroundColor by animateColorAsState(
-        targetValue = backgroundColor,
-        tween(300),
-        label = "Background animation"
-    )
-    val animatedFontColor by animateColorAsState(
-        targetValue = fontColor,
-        tween(300),
-        label = "Font color animation"
-    )
-
     Column(
         modifier
             .padding(3.dp)
             .background(
-                animatedBackgroundColor,
+                backgroundColor,
                 MaterialTheme.shapes.large
             )
             .padding(3.dp)
@@ -94,7 +86,7 @@ fun LibraryBookItem(
                 .aspectRatio(1f / 1.5f)
                 .fillMaxWidth()
                 .clip(MaterialTheme.shapes.medium)
-                .background(MaterialTheme.elevation())
+                .background(MaterialTheme.colorScheme.surfaceContainerLow)
                 .combinedClickable(
                     onClick = {
                         onCoverImageClick()
@@ -105,13 +97,11 @@ fun LibraryBookItem(
                 )
         ) {
             if (book.first.coverImage != null) {
-                AsyncImage(
-                    model = book.first.coverImage,
-                    contentDescription = stringResource(id = R.string.cover_image_content_desc),
+                CustomCoverImage(
+                    uri = book.first.coverImage!!,
                     modifier = Modifier
                         .fillMaxSize()
-                        .clip(MaterialTheme.shapes.medium),
-                    contentScale = ContentScale.Crop
+                        .clip(MaterialTheme.shapes.medium)
                 )
             } else {
                 Icon(
@@ -123,7 +113,7 @@ fun LibraryBookItem(
                         .align(Alignment.Center)
                         .fillMaxWidth(0.7f)
                         .aspectRatio(1f),
-                    tint = MaterialTheme.elevation(12.dp)
+                    tint = MaterialTheme.colorScheme.surfaceContainerHigh
                 )
             }
 
@@ -155,7 +145,7 @@ fun LibraryBookItem(
             ) {
                 Icon(
                     imageVector = Icons.Filled.PlayArrow,
-                    contentDescription = "Continue reading",
+                    contentDescription = stringResource(id = R.string.continue_reading_content_desc),
                     Modifier.size(20.dp)
                 )
             }
@@ -163,7 +153,7 @@ fun LibraryBookItem(
         Spacer(modifier = Modifier.height(6.dp))
         Text(
             book.first.title,
-            color = animatedFontColor,
+            color = fontColor,
             style = MaterialTheme.typography.bodyMedium,
             modifier = Modifier
                 .fillMaxWidth()

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/LibraryTabRow.kt

@@ -1,6 +1,6 @@
 package ua.acclorite.book_story.presentation.screens.library.components
 
-import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.animation.core.animateDpAsState
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
@@ -9,15 +9,16 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.pager.PagerState
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.Divider
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.ScrollableTabRow
+import androidx.compose.material3.PrimaryScrollableTabRow
 import androidx.compose.material3.Tab
 import androidx.compose.material3.TabRowDefaults
 import androidx.compose.material3.TabRowDefaults.tabIndicatorOffset
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -26,48 +27,51 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.Book
+import ua.acclorite.book_story.domain.model.CategorizedBooks
 import ua.acclorite.book_story.domain.model.Category
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryEvent
 import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewModel
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Tab row, either scrollable or static, depends on screen width.
  */
-@OptIn(ExperimentalFoundationApi::class)
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun LibraryTabRow(viewModel: LibraryViewModel, books: List<Book>, pagerState: PagerState) {
+fun LibraryTabRow(
+    viewModel: LibraryViewModel,
+    books: List<CategorizedBooks>,
+    pagerState: PagerState
+) {
     val context = LocalContext.current
     val tabItems = remember(books) {
         listOf(
             Pair(
                 context.getString(R.string.reading_tab),
-                books.filter { it.category == Category.READING }.size
+                books.find { it.category == Category.READING }?.books?.size ?: 0
             ),
             Pair(
                 context.getString(R.string.already_read_tab),
-                books.filter { it.category == Category.ALREADY_READ }.size
+                books.find { it.category == Category.ALREADY_READ }?.books?.size ?: 0
             ),
             Pair(
                 context.getString(R.string.planning_tab),
-                books.filter { it.category == Category.PLANNING }.size
+                books.find { it.category == Category.PLANNING }?.books?.size ?: 0
             ),
             Pair(
                 context.getString(R.string.dropped_tab),
-                books.filter { it.category == Category.DROPPED }.size
+                books.find { it.category == Category.DROPPED }?.books?.size ?: 0
             )
         )
     }
 
     Box(Modifier.fillMaxWidth()) {
-        Divider(
+        HorizontalDivider(
             modifier = Modifier
                 .align(Alignment.BottomCenter)
                 .fillMaxWidth(),
-            color = MaterialTheme.colorScheme.surfaceVariant
+            color = MaterialTheme.colorScheme.surfaceContainerHighest
         )
-        ScrollableTabRow(
+        PrimaryScrollableTabRow(
             modifier = Modifier
                 .fillMaxWidth()
                 .padding(bottom = 0.5.dp),
@@ -76,19 +80,18 @@ fun LibraryTabRow(viewModel: LibraryViewModel, books: List<Book>, pagerState: Pa
             edgePadding = 0.dp,
             divider = {},
             indicator = { tabPositions ->
-                TabRowDefaults.Indicator(
-                    Modifier
-                        .tabIndicatorOffset(tabPositions[pagerState.currentPage])
-                        .padding(horizontal = 16.dp)
-                        .padding(end = 5.5.dp)
-                        .clip(
-                            RoundedCornerShape(
-                                100
-                            )
-                        ),
-                    color = MaterialTheme.colorScheme.primary,
-                    height = 3.dp
-                )
+                if (pagerState.currentPage < tabPositions.size) {
+                    val width by animateDpAsState(
+                        targetValue = tabPositions[pagerState.currentPage].contentWidth,
+                        label = ""
+                    )
+
+                    TabRowDefaults.PrimaryIndicator(
+                        Modifier
+                            .tabIndicatorOffset(tabPositions[pagerState.currentPage]),
+                        width = width
+                    )
+                }
             }
         ) {
             tabItems.forEachIndexed { index, tabItem ->
@@ -112,7 +115,7 @@ fun LibraryTabRow(viewModel: LibraryViewModel, books: List<Book>, pagerState: Pa
                                 text = tabItem.second.toString(),
                                 modifier = Modifier
                                     .clip(MaterialTheme.shapes.medium)
-                                    .background(MaterialTheme.elevation(6.dp))
+                                    .background(MaterialTheme.colorScheme.surfaceContainer)
                                     .padding(horizontal = 8.dp, vertical = 4.dp),
                                 color = MaterialTheme.colorScheme.onSurfaceVariant,
                                 style = MaterialTheme.typography.bodyMedium

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/components/dialog/LibraryMoveDialog.kt

@@ -1,7 +1,6 @@
 package ua.acclorite.book_story.presentation.screens.library.components.dialog
 
 import android.widget.Toast
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.material.icons.Icons
@@ -23,7 +22,6 @@ import ua.acclorite.book_story.presentation.screens.library.data.LibraryViewMode
 /**
  * Move dialog. Moves all selected books to the selected category.
  */
-@OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun LibraryMoveDialog(
     viewModel: LibraryViewModel,

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/data/LibraryEvent.kt

@@ -1,8 +1,5 @@
-@file:OptIn(ExperimentalFoundationApi::class)
-
 package ua.acclorite.book_story.presentation.screens.library.data
 
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.ui.focus.FocusRequester
 import ua.acclorite.book_story.domain.model.Book
@@ -13,6 +10,7 @@ import ua.acclorite.book_story.presentation.data.Navigator
 sealed class LibraryEvent {
     data object OnRefreshList : LibraryEvent()
     data object OnLoadList : LibraryEvent()
+    data class OnRecalculateCategories(val books: List<Pair<Book, Selected>>) : LibraryEvent()
     data class OnScrollToPage(val index: Int, val pagerState: PagerState) : LibraryEvent()
     data class OnUpdateCurrentPage(val page: Int) : LibraryEvent()
     data object OnSearchShowHide : LibraryEvent()

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/data/LibraryState.kt

@@ -2,12 +2,15 @@ package ua.acclorite.book_story.presentation.screens.library.data
 
 import androidx.compose.runtime.Immutable
 import ua.acclorite.book_story.domain.model.Book
+import ua.acclorite.book_story.domain.model.CategorizedBooks
 import ua.acclorite.book_story.domain.model.Category
 import ua.acclorite.book_story.domain.util.Selected
 
 @Immutable
 data class LibraryState(
     val books: List<Pair<Book, Selected>> = emptyList(),
+    val categorizedBooks: List<CategorizedBooks> = emptyList(),
+
     val isLoading: Boolean = true,
     val isRefreshing: Boolean = false,
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/library/data/LibraryViewModel.kt

@@ -1,6 +1,5 @@
 package ua.acclorite.book_story.presentation.screens.library.data
 
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -11,19 +10,19 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
+import ua.acclorite.book_story.domain.model.CategorizedBooks
 import ua.acclorite.book_story.domain.model.Category
 import ua.acclorite.book_story.domain.model.History
 import ua.acclorite.book_story.domain.use_case.DeleteBooks
 import ua.acclorite.book_story.domain.use_case.GetBooks
 import ua.acclorite.book_story.domain.use_case.InsertHistory
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
-import ua.acclorite.book_story.domain.util.Resource
 import ua.acclorite.book_story.presentation.data.Argument
 import ua.acclorite.book_story.presentation.data.Screen
 import java.util.Date
 import javax.inject.Inject
 
-@OptIn(ExperimentalFoundationApi::class)
 @HiltViewModel
 class LibraryViewModel @Inject constructor(
     private val getBooks: GetBooks,
@@ -87,7 +86,9 @@ class LibraryViewModel @Inject constructor(
                         )
                     }
 
+                    yield()
                     getBooksFromDatabase("")
+
                     delay(500)
                     _state.update {
                         it.copy(
@@ -152,6 +153,7 @@ class LibraryViewModel @Inject constructor(
                 job?.cancel()
                 job = viewModelScope.launch(Dispatchers.IO) {
                     delay(500)
+                    yield()
                     getBooksFromDatabase()
                 }
             }
@@ -168,6 +170,7 @@ class LibraryViewModel @Inject constructor(
                         }
                     }
 
+                    onEvent(LibraryEvent.OnRecalculateCategories(editedList))
                     _state.update {
                         it.copy(
                             books = editedList,
@@ -186,6 +189,7 @@ class LibraryViewModel @Inject constructor(
                             hasSelectedItems = false
                         )
                     }
+                    onEvent(LibraryEvent.OnRecalculateCategories(_state.value.books))
                 }
             }
 
@@ -289,6 +293,7 @@ class LibraryViewModel @Inject constructor(
                         }
                     }
 
+                    onEvent(LibraryEvent.OnRecalculateCategories(books))
                     _state.update {
                         it.copy(
                             books = books
@@ -299,14 +304,13 @@ class LibraryViewModel @Inject constructor(
 
             is LibraryEvent.OnNavigateToReaderScreen -> {
                 viewModelScope.launch {
-                    event.book.id?.let {
+                    event.book.id.let {
                         insertHistory.execute(
                             listOf(
                                 History(
-                                    null,
-                                    it,
-                                    null,
-                                    Date().time
+                                    bookId = it,
+                                    book = null,
+                                    time = Date().time
                                 )
                             )
                         )
@@ -315,35 +319,51 @@ class LibraryViewModel @Inject constructor(
                         Screen.READER,
                         false,
                         Argument(
-                            "book", event.book
+                            "book", event.book.id
                         )
                     )
                 }
             }
+
+            is LibraryEvent.OnRecalculateCategories -> {
+                val categorizedBooks = event.books.groupBy {
+                    it.first.category
+                }.toList().map {
+                    CategorizedBooks(
+                        it.first,
+                        it.second
+                    )
+                }
+                _state.update {
+                    it.copy(
+                        categorizedBooks = categorizedBooks
+                    )
+                }
+            }
         }
     }
 
     private suspend fun getBooksFromDatabase(
         query: String = if (_state.value.showSearch) _state.value.searchQuery else ""
     ) {
-        getBooks.execute(query).collect { result ->
-            when (result) {
-                is Resource.Success -> {
-                    _state.update {
-                        it.copy(
-                            books = result.data?.map { book -> Pair(book, false) }
-                                ?: emptyList(),
-                            isLoading = false
-                        )
-                    }
-                }
+        val books = getBooks.execute(query).map { book -> Pair(book, false) }
+        val categorizedBooks = books.groupBy {
+            it.first.category
+        }.toList().map {
+            CategorizedBooks(
+                it.first,
+                it.second
+            )
+        }
 
-                is Resource.Loading -> Unit
-                is Resource.Error -> Unit
-            }
+        _state.update {
+            it.copy(
+                books = books,
+                categorizedBooks = categorizedBooks,
+                isLoading = false
+            )
         }
     }
-
 }
 
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/ReaderScreen.kt

@@ -21,7 +21,7 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.text.selection.DisableSelection
-import androidx.compose.material.LinearProgressIndicator
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -71,7 +71,6 @@ import ua.acclorite.book_story.presentation.screens.reader.components.app_bar.Re
 import ua.acclorite.book_story.presentation.screens.reader.components.settings_bottom_sheet.ReaderSettingsBottomSheet
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(FlowPreview::class)
 @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
@@ -84,7 +83,7 @@ fun ReaderScreen(
     navigator: Navigator
 ) {
     val context = LocalContext.current as ComponentActivity
-    val systemBarsColor = MaterialTheme.elevation(20.dp).copy(0.85f)
+    val systemBarsColor = MaterialTheme.colorScheme.surfaceContainerHighest.copy(0.85f)
 
     var loading by remember { mutableStateOf(true) }
     val listState = rememberLazyListState()
@@ -100,7 +99,7 @@ fun ReaderScreen(
             ): Offset {
                 val velocity = consumed.y
 
-                if ((velocity > 70 || velocity < -70) && state.showMenu) {
+                if ((velocity > 70 || velocity < -70) && state.showMenu && !state.lockMenu) {
                     viewModel.onEvent(ReaderEvent.OnShowHideMenu(context = context))
                 }
 
@@ -140,7 +139,7 @@ fun ReaderScreen(
         snapshotFlow {
             listState.firstVisibleItemIndex to listState.firstVisibleItemScrollOffset
         }.debounce(500).collectLatest { items ->
-            if (!loading) {
+            if (!loading && state.book.text.isNotEmpty() && listState.layoutInfo.totalItemsCount > 0) {
                 val lastVisibleItemIndex = listState.layoutInfo.visibleItemsInfo.last().index
 
                 val progress = if (items.first > 0) {
@@ -386,8 +385,7 @@ fun ReaderScreen(
                 LinearProgressIndicator(
                     modifier = Modifier.fillMaxWidth(0.55f),
                     strokeCap = StrokeCap.Round,
-                    color = MaterialTheme.colorScheme.primary,
-                    backgroundColor = MaterialTheme.elevation(2.dp)
+                    trackColor = MaterialTheme.colorScheme.secondaryContainer.copy(0.7f)
                 )
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderEndItem.kt

@@ -21,6 +21,7 @@ import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -55,6 +56,13 @@ fun ReaderEndItem(
     val state by viewModel.state.collectAsState()
     val context = LocalContext.current as ComponentActivity
 
+    val buttonText = remember {
+        context.getString(
+            if (state.book.category != Category.ALREADY_READ) R.string.move_to_read
+            else R.string.back_to_library
+        )
+    }
+
     Column(
         modifier = Modifier
             .fillMaxWidth()
@@ -133,10 +141,7 @@ fun ReaderEndItem(
             )
         ) {
             Text(
-                stringResource(
-                    if (state.book.category != Category.ALREADY_READ) R.string.move_to_read
-                    else R.string.back_to_library
-                ),
+                buttonText,
                 style = MaterialTheme.typography.bodyMedium,
                 maxLines = 1,
                 overflow = TextOverflow.Ellipsis

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderStartItem.kt

@@ -28,14 +28,12 @@ import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
 import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.components.CustomCoverImage
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Reader start item. Displays at the beginning of the book.
@@ -61,16 +59,14 @@ fun ReaderStartItem(viewModel: ReaderViewModel) {
                     .height(135.dp)
                     .width(90.dp)
                     .clip(RoundedCornerShape(10.dp))
-                    .background(MaterialTheme.elevation())
+                    .background(MaterialTheme.colorScheme.surfaceContainerLow)
             ) {
                 if (state.book.coverImage != null) {
-                    AsyncImage(
-                        model = state.book.coverImage!!,
-                        contentDescription = stringResource(id = R.string.cover_image_content_desc),
+                    CustomCoverImage(
+                        uri = state.book.coverImage!!,
                         modifier = Modifier
                             .fillMaxSize()
-                            .clip(RoundedCornerShape(10.dp)),
-                        contentScale = ContentScale.Crop
+                            .clip(RoundedCornerShape(10.dp))
                     )
                 } else {
                     Icon(
@@ -80,7 +76,7 @@ fun ReaderStartItem(viewModel: ReaderViewModel) {
                             .align(Alignment.Center)
                             .fillMaxWidth(0.7f)
                             .aspectRatio(1f),
-                        tint = MaterialTheme.elevation(12.dp)
+                        tint = MaterialTheme.colorScheme.surfaceContainerHigh
                     )
                 }
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/app_bar/ReaderBottomBar.kt

@@ -4,7 +4,9 @@ import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyListState
@@ -74,35 +76,34 @@ fun ReaderBottomBar(
             color = MaterialTheme.colorScheme.onSurface,
             style = MaterialTheme.typography.titleLarge
         )
+        Spacer(modifier = Modifier.height(3.dp))
         Slider(
             value = state.book.progress,
+            enabled = !state.lockMenu,
             onValueChange = {
-                viewModel.onEvent(ReaderEvent.OnScroll(listState, it))
-                viewModel.onEvent(
-                    ReaderEvent.OnChangeProgress(
-                        progress = it,
-                        navigator = navigator,
-                        firstVisibleItemIndex = listState.firstVisibleItemIndex,
-                        firstVisibleItemOffset = 0,
-                        refreshList = { book ->
-                            libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(book))
-                            historyViewModel.onEvent(HistoryEvent.OnUpdateBook(book))
-                        }
+                if (listState.layoutInfo.totalItemsCount > 0) {
+                    viewModel.onEvent(ReaderEvent.OnScroll(listState, it))
+                    viewModel.onEvent(
+                        ReaderEvent.OnChangeProgress(
+                            progress = it,
+                            navigator = navigator,
+                            firstVisibleItemIndex = listState.firstVisibleItemIndex,
+                            firstVisibleItemOffset = 0,
+                            refreshList = { book ->
+                                libraryViewModel.onEvent(LibraryEvent.OnUpdateBook(book))
+                                historyViewModel.onEvent(HistoryEvent.OnUpdateBook(book))
+                            }
+                        )
                     )
-                )
+                }
             },
             colors = SliderDefaults.colors(
-                activeTrackColor = MaterialTheme.colorScheme.primary,
-                thumbColor = MaterialTheme.colorScheme.primary,
-                inactiveTrackColor = MaterialTheme.colorScheme.onPrimaryContainer.copy(0.15f),
-                disabledActiveTickColor = Color.Transparent,
-                disabledActiveTrackColor = Color.Transparent,
-                disabledInactiveTickColor = Color.Transparent,
-                disabledInactiveTrackColor = Color.Transparent,
-                disabledThumbColor = Color.Transparent,
-                activeTickColor = Color.Transparent,
-                inactiveTickColor = Color.Transparent
+                inactiveTrackColor = MaterialTheme.colorScheme.secondary.copy(0.15f),
+                disabledActiveTrackColor = MaterialTheme.colorScheme.primary,
+                disabledThumbColor = MaterialTheme.colorScheme.primary,
+                disabledInactiveTrackColor = MaterialTheme.colorScheme.secondary.copy(0.15f),
             )
         )
+        Spacer(modifier = Modifier.height(5.dp))
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/app_bar/ReaderTopBar.kt

@@ -69,7 +69,7 @@ fun ReaderTopBar(
         navigationIcon = {
             CustomIconButton(
                 icon = Icons.AutoMirrored.Filled.ArrowBack,
-                contentDescription = stringResource(id = R.string.go_back_content_desc),
+                contentDescription = R.string.go_back_content_desc,
                 disableOnClick = true
             ) {
                 viewModel.onEvent(
@@ -99,6 +99,7 @@ fun ReaderTopBar(
                     maxLines = 1,
                     modifier = Modifier
                         .clickable(
+                            enabled = !state.lockMenu,
                             interactionSource = null,
                             indication = null,
                             onClick = {
@@ -138,8 +139,9 @@ fun ReaderTopBar(
         actions = {
             CustomIconButton(
                 icon = Icons.Default.Settings,
-                contentDescription = stringResource(id = R.string.open_reader_settings_content_desc),
-                disableOnClick = false
+                contentDescription = R.string.open_reader_settings_content_desc,
+                disableOnClick = false,
+                enabled = !state.lockMenu
             ) {
                 viewModel.onEvent(ReaderEvent.OnShowHideSettingsBottomSheet)
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/settings_bottom_sheet/ReaderSettingsBottomSheet.kt

@@ -4,7 +4,7 @@ import androidx.activity.ComponentActivity
 import androidx.compose.animation.animateColorAsState
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.tween
-import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.asPaddingValues
@@ -27,6 +27,7 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
@@ -34,7 +35,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.ChipItem
+import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.data.MainEvent
@@ -45,14 +46,12 @@ import ua.acclorite.book_story.presentation.screens.settings.components.Checkbox
 import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.components.ColorPickerWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
-import ua.acclorite.book_story.presentation.ui.ElevationDefaults
-import ua.acclorite.book_story.presentation.ui.elevation
 
 /**
  * Settings bottom sheet. Has General and Colors categories.
  */
 @OptIn(
-    ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class
+    ExperimentalMaterial3Api::class
 )
 @Composable
 fun ReaderSettingsBottomSheet(mainViewModel: MainViewModel, viewModel: ReaderViewModel) {
@@ -98,195 +97,199 @@ fun ReaderSettingsBottomSheet(mainViewModel: MainViewModel, viewModel: ReaderVie
         )
     }
 
-    ModalBottomSheet(
-        scrimColor = animatedScrimColor,
-        dragHandle = {},
-        modifier = Modifier
-            .fillMaxWidth()
-            .fillMaxHeight(animatedHeight),
-        onDismissRequest = {
-            viewModel.onEvent(ReaderEvent.OnShowHideSettingsBottomSheet)
-        },
-        sheetState = rememberModalBottomSheetState(true),
-        windowInsets = WindowInsets(0, 0, 0, 0),
-        containerColor = MaterialTheme.elevation(ElevationDefaults.BottomSheet)
-    ) {
-        ReaderSettingsBottomSheetTabRow(viewModel = viewModel, pagerState = pagerState)
+    Box(modifier = Modifier.fillMaxSize()) {
+        ModalBottomSheet(
+            scrimColor = animatedScrimColor,
+            dragHandle = {},
+            modifier = Modifier
+                .align(Alignment.BottomCenter)
+                .fillMaxWidth()
+                .fillMaxHeight(animatedHeight),
+            onDismissRequest = {
+                viewModel.onEvent(ReaderEvent.OnShowHideSettingsBottomSheet)
+            },
+            sheetState = rememberModalBottomSheetState(true),
+            windowInsets = WindowInsets(0, 0, 0, 0),
+            containerColor = MaterialTheme.colorScheme.surfaceContainerLow
+        ) {
+            ReaderSettingsBottomSheetTabRow(viewModel = viewModel, pagerState = pagerState)
 
-        HorizontalPager(state = pagerState, modifier = Modifier.fillMaxSize()) { page ->
-            LazyColumn(Modifier.fillMaxSize()) {
-                if (page == 0) {
-                    item {
-                        Spacer(modifier = Modifier.height(22.dp))
-                    }
-                    item {
-                        CategoryTitle(
-                            title = stringResource(id = R.string.font_reader_settings),
-                            color = MaterialTheme.colorScheme.onSurface
-                        )
-                    }
-                    item {
-                        Spacer(modifier = Modifier.height(8.dp))
-                    }
-                    item {
-                        ChipsWithTitle(
-                            title = stringResource(id = R.string.font_family_option),
-                            chips = Constants.FONTS
-                                .map {
-                                    ChipItem(
-                                        it.id,
-                                        it.fontName.asString(),
+            HorizontalPager(state = pagerState) { page ->
+                LazyColumn {
+                    if (page == 0) {
+                        item {
+                            Spacer(modifier = Modifier.height(22.dp))
+                        }
+                        item {
+                            CategoryTitle(
+                                title = stringResource(id = R.string.font_reader_settings),
+                                color = MaterialTheme.colorScheme.onSurface
+                            )
+                        }
+                        item {
+                            Spacer(modifier = Modifier.height(8.dp))
+                        }
+                        item {
+                            ChipsWithTitle(
+                                title = stringResource(id = R.string.font_family_option),
+                                chips = Constants.FONTS
+                                    .map {
+                                        ButtonItem(
+                                            it.id,
+                                            it.fontName.asString(),
+                                            MaterialTheme.typography.labelLarge.copy(
+                                                fontFamily = it.font
+                                            ),
+                                            it.id == fontFamily.id
+                                        )
+                                    },
+                                onClick = {
+                                    mainViewModel.onEvent(MainEvent.OnChangeFontFamily(it.id))
+                                }
+                            )
+                        }
+                        item {
+                            ChipsWithTitle(
+                                title = stringResource(id = R.string.font_style_option),
+                                chips = listOf(
+                                    ButtonItem(
+                                        "normal",
+                                        stringResource(id = R.string.font_style_normal),
                                         MaterialTheme.typography.labelLarge.copy(
-                                            fontFamily = it.font
+                                            fontFamily = fontFamily.font,
+                                            fontStyle = FontStyle.Normal
                                         ),
-                                        it.id == fontFamily.id
-                                    )
-                                },
-                            onClick = {
-                                mainViewModel.onEvent(MainEvent.OnChangeFontFamily(it.id))
-                            }
-                        )
-                    }
-                    item {
-                        ChipsWithTitle(
-                            title = stringResource(id = R.string.font_style_option),
-                            chips = listOf(
-                                ChipItem(
-                                    "normal",
-                                    stringResource(id = R.string.font_style_normal),
-                                    MaterialTheme.typography.labelLarge.copy(
-                                        fontFamily = fontFamily.font,
-                                        fontStyle = FontStyle.Normal
+                                        !state.isItalic!!
                                     ),
-                                    !state.isItalic!!
-                                ),
-                                ChipItem(
-                                    "italic",
-                                    stringResource(id = R.string.font_style_italic),
-                                    MaterialTheme.typography.labelLarge.copy(
-                                        fontFamily = fontFamily.font,
-                                        fontStyle = FontStyle.Italic
+                                    ButtonItem(
+                                        "italic",
+                                        stringResource(id = R.string.font_style_italic),
+                                        MaterialTheme.typography.labelLarge.copy(
+                                            fontFamily = fontFamily.font,
+                                            fontStyle = FontStyle.Italic
+                                        ),
+                                        state.isItalic!!
                                     ),
-                                    state.isItalic!!
                                 ),
-                            ),
-                            onClick = {
-                                mainViewModel.onEvent(
-                                    MainEvent.OnChangeFontStyle(
-                                        when (it.id) {
-                                            "italic" -> true
-                                            else -> false
-                                        }
+                                onClick = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeFontStyle(
+                                            when (it.id) {
+                                                "italic" -> true
+                                                else -> false
+                                            }
+                                        )
                                     )
-                                )
-                            }
-                        )
-                    }
-                    item {
-                        SliderWithTitle(
-                            value = state.fontSize!! to "pt",
-                            fromValue = 10,
-                            toValue = 35,
-                            title = stringResource(id = R.string.font_size_option),
-                            onValueChange = {
+                                }
+                            )
+                        }
+                        item {
+                            SliderWithTitle(
+                                value = state.fontSize!! to "pt",
+                                fromValue = 10,
+                                toValue = 35,
+                                title = stringResource(id = R.string.font_size_option),
+                                onValueChange = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeFontSize(it)
+                                    )
+                                }
+                            )
+                        }
+                        item {
+                            Spacer(modifier = Modifier.height(22.dp))
+                        }
+                        item {
+                            CategoryTitle(
+                                title = stringResource(id = R.string.text_reader_settings),
+                                color = MaterialTheme.colorScheme.onSurface
+                            )
+                        }
+                        item {
+                            Spacer(modifier = Modifier.height(8.dp))
+                        }
+                        item {
+                            SliderWithTitle(
+                                value = state.lineHeight!! to "pt",
+                                fromValue = 1,
+                                toValue = 16,
+                                title = stringResource(id = R.string.line_height_option),
+                                onValueChange = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeLineHeight(it)
+                                    )
+                                }
+                            )
+                        }
+                        item {
+                            SliderWithTitle(
+                                value = state.paragraphHeight!! to "pt",
+                                fromValue = 0,
+                                toValue = 24,
+                                title = stringResource(id = R.string.paragraph_height_option),
+                                onValueChange = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeParagraphHeight(it)
+                                    )
+                                }
+                            )
+                        }
+                        item {
+                            CheckboxWithTitle(
+                                selected = state.paragraphIndentation!!,
+                                title = stringResource(id = R.string.paragraph_indentation_option)
+                            ) {
                                 mainViewModel.onEvent(
-                                    MainEvent.OnChangeFontSize(it)
+                                    MainEvent.OnChangeParagraphIndentation(!state.paragraphIndentation!!)
                                 )
                             }
-                        )
+                        }
                     }
-                    item {
-                        Spacer(modifier = Modifier.height(22.dp))
-                    }
-                    item {
-                        CategoryTitle(
-                            title = stringResource(id = R.string.text_reader_settings),
-                            color = MaterialTheme.colorScheme.onSurface
-                        )
-                    }
-                    item {
-                        Spacer(modifier = Modifier.height(8.dp))
-                    }
-                    item {
-                        SliderWithTitle(
-                            value = state.lineHeight!! to "pt",
-                            fromValue = 1,
-                            toValue = 16,
-                            title = stringResource(id = R.string.line_height_option),
-                            onValueChange = {
-                                mainViewModel.onEvent(
-                                    MainEvent.OnChangeLineHeight(it)
-                                )
-                            }
-                        )
-                    }
-                    item {
-                        SliderWithTitle(
-                            value = state.paragraphHeight!! to "pt",
-                            fromValue = 0,
-                            toValue = 24,
-                            title = stringResource(id = R.string.paragraph_height_option),
-                            onValueChange = {
-                                mainViewModel.onEvent(
-                                    MainEvent.OnChangeParagraphHeight(it)
-                                )
-                            }
-                        )
-                    }
-                    item {
-                        CheckboxWithTitle(
-                            selected = state.paragraphIndentation!!,
-                            title = stringResource(id = R.string.paragraph_indentation_option)
-                        ) {
-                            mainViewModel.onEvent(
-                                MainEvent.OnChangeParagraphIndentation(!state.paragraphIndentation!!)
+
+                    if (page == 1) {
+                        item {
+                            Spacer(modifier = Modifier.height(14.dp))
+                        }
+                        item {
+                            ColorPickerWithTitle(
+                                value = Color(state.backgroundColor!!.toULong()),
+                                title = stringResource(id = R.string.background_color_option),
+                                onValueChange = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeBackgroundColor(
+                                            it.value.toLong()
+                                        )
+                                    )
+                                }
+                            )
+                        }
+                        item {
+                            ColorPickerWithTitle(
+                                value = Color(state.fontColor!!.toULong()),
+                                title = stringResource(id = R.string.font_color_option),
+                                onValueChange = {
+                                    mainViewModel.onEvent(
+                                        MainEvent.OnChangeFontColor(
+                                            it.value.toLong()
+                                        )
+                                    )
+                                }
                             )
                         }
                     }
-                }
 
-                if (page == 1) {
                     item {
-                        Spacer(modifier = Modifier.height(14.dp))
-                    }
-                    item {
-                        ColorPickerWithTitle(
-                            value = Color(state.backgroundColor!!.toULong()),
-                            title = stringResource(id = R.string.background_color_option),
-                            onValueChange = {
-                                mainViewModel.onEvent(
-                                    MainEvent.OnChangeBackgroundColor(
-                                        it.value.toLong()
-                                    )
-                                )
-                            }
+                        Spacer(
+                            modifier = Modifier.height(
+                                8.dp + navigationBarPadding
+                            )
                         )
                     }
-                    item {
-                        ColorPickerWithTitle(
-                            value = Color(state.fontColor!!.toULong()),
-                            title = stringResource(id = R.string.font_color_option),
-                            onValueChange = {
-                                mainViewModel.onEvent(
-                                    MainEvent.OnChangeFontColor(
-                                        it.value.toLong()
-                                    )
-                                )
-                            }
-                        )
-                    }
-                }
-
-                item {
-                    Spacer(
-                        modifier = Modifier.height(
-                            8.dp + navigationBarPadding
-                        )
-                    )
                 }
             }
         }
     }
+
 }
 
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/settings_bottom_sheet/ReaderSettingsBottomSheetTabRow.kt

@@ -1,22 +1,16 @@
 package ua.acclorite.book_story.presentation.screens.reader.components.settings_bottom_sheet
 
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.pager.PagerState
-import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.material3.Divider
+import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.PrimaryTabRow
 import androidx.compose.material3.Tab
-import androidx.compose.material3.TabRow
-import androidx.compose.material3.TabRowDefaults
-import androidx.compose.material3.TabRowDefaults.tabIndicatorOffset
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderEvent
 import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
@@ -24,7 +18,7 @@ import ua.acclorite.book_story.presentation.screens.reader.data.ReaderViewModel
 /**
  * Settings bottom sheet tab row. It is used to switch between categories.
  */
-@OptIn(ExperimentalFoundationApi::class)
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun ReaderSettingsBottomSheetTabRow(viewModel: ReaderViewModel, pagerState: PagerState) {
     val tabItems = listOf(
@@ -32,27 +26,11 @@ fun ReaderSettingsBottomSheetTabRow(viewModel: ReaderViewModel, pagerState: Page
         stringResource(id = R.string.color_tab)
     )
 
-    TabRow(
+    PrimaryTabRow(
         modifier = Modifier
             .fillMaxWidth(),
         selectedTabIndex = pagerState.currentPage,
-        divider = {
-            Divider(color = MaterialTheme.colorScheme.surfaceVariant)
-        },
-        indicator = { tabPositions ->
-            TabRowDefaults.Indicator(
-                Modifier
-                    .tabIndicatorOffset(tabPositions[pagerState.currentPage])
-                    .padding(horizontal = 64.dp)
-                    .clip(
-                        RoundedCornerShape(
-                            topStartPercent = 100,
-                            topEndPercent = 100
-                        )
-                    ),
-                color = MaterialTheme.colorScheme.primary
-            )
-        }
+        containerColor = Color.Transparent
     ) {
         tabItems.forEachIndexed { index, tabItem ->
             Tab(
@@ -62,7 +40,7 @@ fun ReaderSettingsBottomSheetTabRow(viewModel: ReaderViewModel, pagerState: Page
                     viewModel.onEvent(ReaderEvent.OnScrollToSettingsPage(index, pagerState))
                 },
                 selectedContentColor = MaterialTheme.colorScheme.primary,
-                unselectedContentColor = MaterialTheme.colorScheme.onSurface,
+                unselectedContentColor = MaterialTheme.colorScheme.onSurfaceVariant,
                 text = {
                     Text(
                         tabItem,

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/data/ReaderEvent.kt

@@ -1,9 +1,6 @@
-@file:OptIn(ExperimentalFoundationApi::class)
-
 package ua.acclorite.book_story.presentation.screens.reader.data
 
 import androidx.activity.ComponentActivity
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.pager.PagerState
 import ua.acclorite.book_story.domain.model.Book

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/data/ReaderState.kt

@@ -9,7 +9,10 @@ import ua.acclorite.book_story.domain.util.UIText
 data class ReaderState(
     val book: Book = Constants.EMPTY_BOOK,
     val errorMessage: UIText? = null,
+
     val showMenu: Boolean = false,
+    val lockMenu: Boolean = false,
+
     val showSettingsBottomSheet: Boolean = false,
     val currentPage: Int = 0,
 )

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/data/ReaderViewModel.kt

@@ -2,8 +2,8 @@ package ua.acclorite.book_story.presentation.screens.reader.data
 
 import android.app.SearchManager
 import android.content.Intent
+import android.util.Log
 import androidx.activity.ComponentActivity
-import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.runtime.snapshotFlow
 import androidx.core.view.WindowCompat
@@ -22,7 +22,7 @@ import kotlinx.coroutines.launch
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.model.Book
 import ua.acclorite.book_story.domain.model.Category
-import ua.acclorite.book_story.domain.model.StringWithId
+import ua.acclorite.book_story.domain.use_case.GetBooksById
 import ua.acclorite.book_story.domain.use_case.GetLatestHistory
 import ua.acclorite.book_story.domain.use_case.GetText
 import ua.acclorite.book_story.domain.use_case.UpdateBooks
@@ -33,12 +33,12 @@ import ua.acclorite.book_story.presentation.data.Screen
 import javax.inject.Inject
 import kotlin.math.roundToInt
 
-@OptIn(ExperimentalFoundationApi::class)
 @HiltViewModel
 class ReaderViewModel @Inject constructor(
     private val updateBooks: UpdateBooks,
     private val getText: GetText,
-    private val getLatestHistory: GetLatestHistory
+    private val getLatestHistory: GetLatestHistory,
+    private val getBooksById: GetBooksById
 ) : ViewModel() {
 
     private val _state = MutableStateFlow(ReaderState())
@@ -57,21 +57,44 @@ class ReaderViewModel @Inject constructor(
 
             is ReaderEvent.OnLoadText -> {
                 viewModelScope.launch(Dispatchers.IO) {
-                    val text = getText.execute(_state.value.book.id!!)
+                    if (
+                        _state.value.book.text.isEmpty() ||
+                        _state.value.book.letters < 1 ||
+                        _state.value.book.words < 1
+                    ) {
+                        val text = getText.execute(_state.value.book.textPath)
 
-                    if (text.isBlank()) {
-                        event.onTextIsEmpty()
+                        if (text.isEmpty()) {
+                            event.onTextIsEmpty()
+                        }
+
+                        val textAsLine = text.joinToString(
+                            separator = "\n",
+                            transform = {
+                                it.line
+                            }
+                        )
+
+                        val letters = textAsLine
+                            .replace("\n", "")
+                            .length
+                        val words = textAsLine
+                            .replace("\n", " ")
+                            .split("\\s+".toRegex())
+                            .size
+
+                        _state.update {
+                            it.copy(
+                                book = it.book.copy(
+                                    text = text,
+                                    letters = letters,
+                                    words = words
+                                )
+                            )
+                        }
                     }
 
-                    val letters = text
-                        .replace("\n", "")
-                        .length
-                    val words = text
-                        .replace("\n", " ")
-                        .split("\\s+".toRegex())
-                        .size
-
-                    val history = _state.value.book.id?.let {
+                    val history = _state.value.book.id.let {
                         getLatestHistory.execute(
                             it
                         )
@@ -80,12 +103,7 @@ class ReaderViewModel @Inject constructor(
                     _state.update {
                         it.copy(
                             book = it.book.copy(
-                                text = text
-                                    .split("\n")
-                                    .map { line -> StringWithId(line.trim()) },
                                 lastOpened = history?.time,
-                                letters = letters,
-                                words = words
                             )
                         )
                     }
@@ -114,6 +132,10 @@ class ReaderViewModel @Inject constructor(
                                             loaded = true
                                             break
                                         } catch (e: Exception) {
+                                            Log.w(
+                                                "READER",
+                                                "Couldn't scroll to desired index and offset"
+                                            )
                                             delay(100)
                                         }
                                     }
@@ -133,6 +155,10 @@ class ReaderViewModel @Inject constructor(
             }
 
             is ReaderEvent.OnShowHideMenu -> {
+                if (_state.value.lockMenu) {
+                    return
+                }
+
                 val shouldShow = event.show ?: !_state.value.showMenu
 
                 val insetsController = WindowCompat.getInsetsController(
@@ -160,42 +186,50 @@ class ReaderViewModel @Inject constructor(
 
             is ReaderEvent.OnGoBack -> {
                 viewModelScope.launch {
+                    _state.update {
+                        it.copy(
+                            lockMenu = true
+                        )
+                    }
+
                     val insetsController = WindowCompat.getInsetsController(
                         event.context.window,
                         event.context.window.decorView
                     )
 
-                    val firstVisibleItemIndex = event.listState.firstVisibleItemIndex
-                    val firstVisibleItemOffset = event.listState.firstVisibleItemScrollOffset
-                    val lastVisibleItemIndex = event.listState.layoutInfo
-                        .visibleItemsInfo.last().index
+                    if (event.listState.layoutInfo.totalItemsCount > 0) {
+                        val firstVisibleItemIndex = event.listState.firstVisibleItemIndex
+                        val firstVisibleItemOffset = event.listState.firstVisibleItemScrollOffset
+                        val lastVisibleItemIndex = event.listState.layoutInfo
+                            .visibleItemsInfo.last().index
 
-                    val progress = if (firstVisibleItemIndex > 0) {
-                        if (lastVisibleItemIndex >= (event.listState.layoutInfo.totalItemsCount - 1)) {
-                            1f
+                        val progress = if (firstVisibleItemIndex > 0) {
+                            if (lastVisibleItemIndex >= (event.listState.layoutInfo.totalItemsCount - 1)) {
+                                1f
+                            } else {
+                                (firstVisibleItemIndex.toFloat() / (_state.value.book.text.lastIndex)
+                                    .toFloat())
+                            }
                         } else {
-                            (firstVisibleItemIndex.toFloat() / (_state.value.book.text.lastIndex)
-                                .toFloat())
+                            0f
                         }
-                    } else {
-                        0f
-                    }
 
-                    _state.update {
-                        it.copy(
-                            book = it.book.copy(
-                                progress = progress,
-                                scrollIndex = firstVisibleItemIndex,
-                                scrollOffset = firstVisibleItemOffset
+                        _state.update {
+                            it.copy(
+                                book = it.book.copy(
+                                    progress = progress,
+                                    scrollIndex = firstVisibleItemIndex,
+                                    scrollOffset = firstVisibleItemOffset
+                                )
                             )
-                        )
+                        }
                     }
 
                     updateBooks.execute(
                         listOf(_state.value.book)
                     )
                     event.navigator.putArgument(
-                        Argument("book", _state.value.book)
+                        Argument("book", _state.value.book.id)
                     )
                     event.refreshList(_state.value.book)
 
@@ -232,7 +266,7 @@ class ReaderViewModel @Inject constructor(
                     event.navigator.putArgument(
                         Argument(
                             "book",
-                            _state.value.book
+                            _state.value.book.id
                         )
                     )
                     event.refreshList(_state.value.book)
@@ -355,9 +389,16 @@ class ReaderViewModel @Inject constructor(
         onLoaded: () -> Unit
     ) {
         viewModelScope.launch(Dispatchers.IO) {
-            val book = navigator.retrieveArgument("book") as? Book
+            val bookId = navigator.retrieveArgument("book") as? Int
 
-            if (book == null) {
+            if (bookId == null) {
+                navigator.navigateBack()
+                return@launch
+            }
+
+            val book = getBooksById.execute(listOf(bookId))
+
+            if (book.isEmpty()) {
                 navigator.navigateBack()
                 return@launch
             }
@@ -367,7 +408,7 @@ class ReaderViewModel @Inject constructor(
             }
 
             _state.update {
-                ReaderState(book = book)
+                ReaderState(book = book.first())
             }
 
             onEvent(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/SettingsScreen.kt

@@ -29,7 +29,6 @@ import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.data.Screen
 import ua.acclorite.book_story.presentation.screens.settings.components.SettingsCategoryItem
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -60,7 +59,7 @@ fun SettingsScreen(
                 scrollBehavior = scrollBehavior,
                 colors = TopAppBarDefaults.largeTopAppBarColors(
                     containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation()
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
                 )
             )
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/components/ChipsWithTitle.kt

@@ -1,6 +1,5 @@
 package ua.acclorite.book_story.presentation.screens.settings.components
 
-import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ExperimentalLayoutApi
@@ -9,30 +8,26 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.material.ChipDefaults
-import androidx.compose.material.ExperimentalMaterialApi
-import androidx.compose.material.FilterChip
-import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.FilterChip
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
-import ua.acclorite.book_story.domain.model.ChipItem
+import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 
 /**
- * Chips with title. Use list of [ChipItem]s to display chips.
+ * Chips with title. Use list of [ButtonItem]s to display chips.
  */
-@OptIn(ExperimentalMaterialApi::class, ExperimentalLayoutApi::class)
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun ChipsWithTitle(
     title: String,
-    chips: List<ChipItem>,
+    chips: List<ButtonItem>,
     horizontalPadding: Dp = 18.dp,
     verticalPadding: Dp = 8.dp,
-    onClick: (ChipItem) -> Unit
+    onClick: (ButtonItem) -> Unit
 ) {
     Column(
         Modifier
@@ -50,29 +45,15 @@ fun ChipsWithTitle(
                     FilterChip(
                         modifier = Modifier.height(36.dp),
                         selected = item.selected,
-                        enabled = !item.selected,
-                        shape = MaterialTheme.shapes.small,
-                        border = if (!item.selected) BorderStroke(
-                            1.dp,
-                            MaterialTheme.colorScheme.outline
-                        ) else null,
-                        colors = ChipDefaults.filterChipColors(
-                            backgroundColor = Color.Transparent,
-                            disabledBackgroundColor = MaterialTheme.colorScheme.secondaryContainer
-                        ),
+                        label = {
+                            Text(
+                                item.title,
+                                style = item.textStyle,
+                                maxLines = 1
+                            )
+                        },
                         onClick = { onClick(item) },
-                    ) {
-                        Text(
-                            item.title,
-                            style = item.textStyle,
-                            color = if (item.selected) {
-                                MaterialTheme.colorScheme.onSecondaryContainer
-                            } else {
-                                MaterialTheme.colorScheme.onSurfaceVariant
-                            },
-                            maxLines = 1
-                        )
-                    }
+                    )
                 }
             },
         )

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/components/ColorPickerWithTitle.kt

@@ -9,8 +9,6 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
-import androidx.compose.material.Icon
-import androidx.compose.material.IconButton
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.History
 import androidx.compose.material3.MaterialTheme
@@ -27,6 +25,7 @@ import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.components.CategoryTitle
+import ua.acclorite.book_story.presentation.components.CustomIconButton
 
 /**
  * Color picker with title.
@@ -49,8 +48,7 @@ fun ColorPickerWithTitle(
     ) {
         CategoryTitle(
             title = title,
-            padding = 0.dp,
-//            color = MaterialTheme.colorScheme.onSurface
+            padding = 0.dp
         )
         Spacer(modifier = Modifier.height(8.dp))
         RevertibleSlider(
@@ -111,22 +109,18 @@ private fun RevertibleSlider(
             horizontalPadding = 0.dp,
             verticalPadding = 0.dp
         )
-        Box(modifier = Modifier.weight(0.15f)) {
-            IconButton(
-                modifier = Modifier.align(Alignment.CenterEnd),
+        Box(modifier = Modifier.weight(0.15f), contentAlignment = Alignment.CenterEnd) {
+            CustomIconButton(
+                modifier = Modifier.size(28.dp),
+                icon = Icons.Default.History,
+                contentDescription = R.string.revert_content_desc,
+                disableOnClick = false,
                 enabled = initialValue != value.first,
-                onClick = { onValueChange(initialValue) }
+                color = if (initialValue == value.first) MaterialTheme.colorScheme.onSurfaceVariant
+                else MaterialTheme.colorScheme.onSurface
             ) {
-                Icon(
-                    imageVector = Icons.Default.History,
-                    contentDescription = stringResource(id = R.string.revert_content_desc),
-                    modifier = Modifier
-                        .size(28.dp),
-                    tint = if (initialValue == value.first) MaterialTheme.colorScheme.onSurfaceVariant
-                    else MaterialTheme.colorScheme.onSurface
-                )
+                onValueChange(initialValue)
             }
-
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/components/SegmentedButtonWithTitle.kt

@@ -0,0 +1,86 @@
+package ua.acclorite.book_story.presentation.screens.settings.components
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.SegmentedButton
+import androidx.compose.material3.SegmentedButtonDefaults
+import androidx.compose.material3.SingleChoiceSegmentedButtonRow
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import ua.acclorite.book_story.domain.model.ButtonItem
+import ua.acclorite.book_story.presentation.components.CategoryTitle
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SegmentedButtonWithTitle(
+    title: String,
+    buttons: List<ButtonItem>,
+    enabled: Boolean,
+    horizontalPadding: Dp = 18.dp,
+    verticalPadding: Dp = 8.dp,
+    onClick: (ButtonItem) -> Unit
+) {
+    val colors = SegmentedButtonDefaults.colors()
+
+    Column(
+        Modifier
+            .fillMaxWidth()
+            .padding(horizontal = horizontalPadding, vertical = verticalPadding)
+    ) {
+        CategoryTitle(title = title, padding = 0.dp)
+
+        Spacer(modifier = Modifier.height(8.dp))
+
+        SingleChoiceSegmentedButtonRow {
+            buttons.forEachIndexed { index, buttonItem ->
+                SegmentedButton(
+                    enabled = enabled,
+                    selected = buttonItem.selected,
+                    onClick = { onClick(buttonItem) },
+                    shape = when (index) {
+                        buttons.lastIndex -> RoundedCornerShape(
+                            topEndPercent = 100,
+                            bottomEndPercent = 100
+                        )
+
+                        0 -> RoundedCornerShape(
+                            topStartPercent = 100,
+                            bottomStartPercent = 100
+                        )
+
+                        else -> RoundedCornerShape(0)
+                    },
+                    colors = SegmentedButtonDefaults.colors(
+                        disabledInactiveBorderColor = colors.disabledActiveBorderColor,
+                        disabledInactiveContentColor = colors.disabledActiveContentColor,
+                        disabledActiveContainerColor = colors.activeContainerColor.copy(0.12f),
+                    ),
+                    label = {
+                        Text(
+                            text = buttonItem.title,
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    }
+                )
+            }
+        }
+    }
+}
+
+
+
+
+
+
+
+

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/components/SliderWithTitle.kt

@@ -9,6 +9,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Slider
+import androidx.compose.material3.SliderDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -54,7 +55,11 @@ fun SliderWithTitle(
             onValueChange = {
                 onValueChange(it.roundToInt())
             },
-            steps = toValue - fromValue
+            steps = toValue - fromValue,
+            colors = SliderDefaults.colors(
+                activeTickColor = MaterialTheme.colorScheme.onPrimary,
+                inactiveTickColor = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
         )
     }
 }
@@ -90,7 +95,11 @@ fun SliderWithTitle(
             value = value.first,
             onValueChange = {
                 onValueChange(it)
-            }
+            },
+            colors = SliderDefaults.colors(
+                activeTickColor = MaterialTheme.colorScheme.onPrimary,
+                inactiveTickColor = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
         )
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/AppearanceSettings.kt

@@ -24,17 +24,18 @@ import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.ChipItem
+import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.data.MainEvent
 import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Navigator
-import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.components.ColorPickerWithTitle
+import ua.acclorite.book_story.presentation.screens.settings.components.SegmentedButtonWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.theme_switcher.AppearanceSettingsThemeSwitcher
 import ua.acclorite.book_story.presentation.ui.DarkTheme
-import ua.acclorite.book_story.presentation.ui.elevation
+import ua.acclorite.book_story.presentation.ui.Theme
+import ua.acclorite.book_story.presentation.ui.ThemeContrast
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -68,7 +69,7 @@ fun AppearanceSettings(
                 scrollBehavior = scrollBehavior,
                 colors = TopAppBarDefaults.largeTopAppBarColors(
                     containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation()
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
                 )
             )
         }
@@ -93,10 +94,11 @@ fun AppearanceSettings(
             }
 
             item {
-                ChipsWithTitle(
+                SegmentedButtonWithTitle(
                     title = stringResource(id = R.string.dark_theme_option),
-                    chips = DarkTheme.entries.map {
-                        ChipItem(
+                    enabled = true,
+                    buttons = DarkTheme.entries.map {
+                        ButtonItem(
                             it.toString(),
                             when (it) {
                                 DarkTheme.OFF -> stringResource(id = R.string.dark_theme_off)
@@ -106,7 +108,7 @@ fun AppearanceSettings(
                             MaterialTheme.typography.labelLarge,
                             it == state.darkTheme
                         )
-                    },
+                    }
                 ) {
                     mainViewModel.onEvent(
                         MainEvent.OnChangeDarkTheme(
@@ -116,6 +118,31 @@ fun AppearanceSettings(
                 }
             }
 
+            item {
+                SegmentedButtonWithTitle(
+                    title = stringResource(id = R.string.theme_contrast_option),
+                    enabled = state.theme != Theme.DYNAMIC,
+                    buttons = ThemeContrast.entries.map {
+                        ButtonItem(
+                            it.toString(),
+                            when (it) {
+                                ThemeContrast.STANDARD -> stringResource(id = R.string.theme_contrast_standard)
+                                ThemeContrast.MEDIUM -> stringResource(id = R.string.theme_contrast_medium)
+                                ThemeContrast.HIGH -> stringResource(id = R.string.theme_contrast_high)
+                            },
+                            MaterialTheme.typography.labelLarge,
+                            it == state.themeContrast
+                        )
+                    }
+                ) {
+                    mainViewModel.onEvent(
+                        MainEvent.OnChangeThemeContrast(
+                            it.id
+                        )
+                    )
+                }
+            }
+
             item {
                 AppearanceSettingsThemeSwitcher(mainViewModel = mainViewModel)
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/theme_switcher/AppearanceSettingsThemeSwitcher.kt

@@ -31,7 +31,6 @@ fun AppearanceSettingsThemeSwitcher(
     mainViewModel: MainViewModel
 ) {
     val state by mainViewModel.state.collectAsState()
-
     val themes = remember {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) Constants.THEMES
         else Constants.THEMES.dropWhile { it.first == Theme.DYNAMIC }
@@ -48,23 +47,25 @@ fun AppearanceSettingsThemeSwitcher(
         Spacer(modifier = Modifier.height(10.dp))
         LazyRow(
             Modifier
-                .fillMaxWidth()
+                .fillMaxWidth(),
         ) {
             itemsIndexed(themes) { index, themeEntry ->
-                if (index == 0)
+                if (index == 0) {
                     Spacer(modifier = Modifier.width(18.dp))
+                } else {
+                    Spacer(modifier = Modifier.width(8.dp))
+                }
 
                 AppearanceSettingsThemeSwitcherItem(
                     theme = themeEntry,
                     darkTheme = state.darkTheme!!.isDark(),
+                    themeContrast = state.themeContrast!!,
                     selected = state.theme == themeEntry.first
                 ) {
                     mainViewModel.onEvent(MainEvent.OnChangeTheme(themeEntry.first.toString()))
                 }
 
-                if (index != Theme.entries.lastIndex) {
-                    Spacer(modifier = Modifier.width(8.dp))
-                } else {
+                if (index == themes.lastIndex) {
                     Spacer(modifier = Modifier.width(18.dp))
                 }
             }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/appearance/components/theme_switcher/AppearanceSettingsThemeSwitcherItem.kt

@@ -1,5 +1,10 @@
 package ua.acclorite.book_story.presentation.screens.settings.nested.appearance.components.theme_switcher
 
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.scaleIn
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
@@ -19,21 +24,19 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.CheckCircle
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.NavigationBarDefaults
 import androidx.compose.material3.Text
-import androidx.compose.material3.surfaceColorAtElevation
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.domain.util.UIText
 import ua.acclorite.book_story.presentation.ui.Theme
-import ua.acclorite.book_story.presentation.ui.colorScheme
+import ua.acclorite.book_story.presentation.ui.ThemeContrast
+import ua.acclorite.book_story.presentation.ui.animatedColorScheme
 
 /**
  * Theme switcher item.
@@ -42,10 +45,11 @@ import ua.acclorite.book_story.presentation.ui.colorScheme
 fun AppearanceSettingsThemeSwitcherItem(
     theme: Pair<Theme, UIText>,
     darkTheme: Boolean,
+    themeContrast: ThemeContrast,
     selected: Boolean,
     onClick: () -> Unit
 ) {
-    val colorScheme = colorScheme(theme.first, darkTheme)
+    val colorScheme = animatedColorScheme(theme.first, darkTheme, themeContrast)
 
     Column(
         modifier = Modifier.fillMaxWidth(),
@@ -83,15 +87,23 @@ fun AppearanceSettingsThemeSwitcherItem(
                         .background(colorScheme.onSurface)
                 )
                 Spacer(modifier = Modifier.width(8.dp))
-                Icon(
-                    imageVector = Icons.Default.CheckCircle,
-                    contentDescription = stringResource(id = R.string.selected_content_desc),
-                    modifier = Modifier
-                        .size(26.dp),
-                    tint =
-                    if (selected) colorScheme.primary
-                    else Color.Transparent
-                )
+
+                AnimatedVisibility(
+                    visible = selected,
+                    enter = scaleIn(tween(300), initialScale = 0.5f) +
+                            fadeIn(tween(300)),
+                    exit = fadeOut(tween(100))
+                ) {
+                    Icon(
+                        imageVector = Icons.Default.CheckCircle,
+                        contentDescription = stringResource(id = R.string.selected_content_desc),
+                        modifier = Modifier
+                            .size(26.dp),
+                        tint = colorScheme.primary
+                    )
+                }
+
+                Box(modifier = Modifier.height(26.dp))
             }
             Spacer(modifier = Modifier.height(8.dp))
             Box(
@@ -101,9 +113,7 @@ fun AppearanceSettingsThemeSwitcherItem(
                     .width(70.dp)
                     .clip(RoundedCornerShape(14.dp))
                     .background(
-                        colorScheme.surfaceColorAtElevation(
-                            NavigationBarDefaults.Elevation
-                        )
+                        colorScheme.surfaceContainer
                     )
             )
             Spacer(modifier = Modifier.height(40.dp))
@@ -112,9 +122,7 @@ fun AppearanceSettingsThemeSwitcherItem(
                     .width(130.dp)
                     .height(40.dp)
                     .background(
-                        colorScheme.surfaceColorAtElevation(
-                            NavigationBarDefaults.Elevation
-                        )
+                        colorScheme.surfaceContainer
                     ),
                 horizontalArrangement = Arrangement.SpaceEvenly,
                 verticalAlignment = Alignment.CenterVertically
@@ -141,7 +149,7 @@ fun AppearanceSettingsThemeSwitcherItem(
             color = MaterialTheme.colorScheme.onSurfaceVariant,
             style = MaterialTheme.typography.labelLarge,
             overflow = TextOverflow.Ellipsis,
-            maxLines = 1
+            maxLines = 2
         )
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/general/GeneralSettings.kt

@@ -23,14 +23,13 @@ import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.ChipItem
+import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.presentation.components.GoBackButton
 import ua.acclorite.book_story.presentation.data.MainEvent
 import ua.acclorite.book_story.presentation.data.MainViewModel
 import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -64,7 +63,7 @@ fun GeneralSettings(
                 scrollBehavior = scrollBehavior,
                 colors = TopAppBarDefaults.largeTopAppBarColors(
                     containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation()
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
                 )
             )
         }
@@ -82,7 +81,7 @@ fun GeneralSettings(
                 ChipsWithTitle(
                     title = stringResource(id = R.string.language_option),
                     chips = Constants.LANGUAGES.sortedBy { it.second }.map {
-                        ChipItem(
+                        ButtonItem(
                             it.first,
                             it.second,
                             MaterialTheme.typography.labelLarge,

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/ReaderSettings.kt

@@ -25,7 +25,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.unit.dp
 import ua.acclorite.book_story.R
-import ua.acclorite.book_story.domain.model.ChipItem
+import ua.acclorite.book_story.domain.model.ButtonItem
 import ua.acclorite.book_story.domain.util.Constants
 import ua.acclorite.book_story.presentation.components.CategoryTitle
 import ua.acclorite.book_story.presentation.components.GoBackButton
@@ -35,7 +35,6 @@ import ua.acclorite.book_story.presentation.data.Navigator
 import ua.acclorite.book_story.presentation.screens.settings.components.CheckboxWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.components.ChipsWithTitle
 import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
-import ua.acclorite.book_story.presentation.ui.elevation
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -74,7 +73,7 @@ fun ReaderSettings(
                 scrollBehavior = scrollBehavior,
                 colors = TopAppBarDefaults.largeTopAppBarColors(
                     containerColor = MaterialTheme.colorScheme.surface,
-                    scrolledContainerColor = MaterialTheme.elevation()
+                    scrolledContainerColor = MaterialTheme.colorScheme.surfaceContainer
                 )
             )
         }
@@ -102,7 +101,7 @@ fun ReaderSettings(
                     title = stringResource(id = R.string.font_family_option),
                     chips = Constants.FONTS
                         .map {
-                            ChipItem(
+                            ButtonItem(
                                 it.id,
                                 it.fontName.asString(),
                                 MaterialTheme.typography.labelLarge.copy(
@@ -120,7 +119,7 @@ fun ReaderSettings(
                 ChipsWithTitle(
                     title = stringResource(id = R.string.font_style_option),
                     chips = listOf(
-                        ChipItem(
+                        ButtonItem(
                             "normal",
                             stringResource(id = R.string.font_style_normal),
                             MaterialTheme.typography.labelLarge.copy(
@@ -129,7 +128,7 @@ fun ReaderSettings(
                             ),
                             !state.isItalic!!
                         ),
-                        ChipItem(
+                        ButtonItem(
                             "italic",
                             stringResource(id = R.string.font_style_italic),
                             MaterialTheme.typography.labelLarge.copy(

app/src/main/java/ua/acclorite/book_story/presentation/ui/Color.kt

@@ -5,6 +5,7 @@ import androidx.compose.material3.ColorScheme
 import androidx.compose.material3.dynamicDarkColorScheme
 import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.ui.platform.LocalContext
 import ua.acclorite.book_story.presentation.ui.theme.aquaTheme
 import ua.acclorite.book_story.presentation.ui.theme.blueTheme
@@ -14,6 +15,7 @@ import ua.acclorite.book_story.presentation.ui.theme.purpleTheme
 import ua.acclorite.book_story.presentation.ui.theme.redTheme
 import ua.acclorite.book_story.presentation.ui.theme.yellowTheme
 
+@Immutable
 enum class Theme {
     DYNAMIC,
     BLUE,
@@ -41,7 +43,7 @@ fun String.toTheme(): Theme {
  */
 @SuppressLint("NewApi")
 @Composable
-fun colorScheme(theme: Theme, darkTheme: Boolean): ColorScheme {
+fun colorScheme(theme: Theme, darkTheme: Boolean, themeContrast: ThemeContrast): ColorScheme {
     when (theme) {
         Theme.DYNAMIC -> {
             /* Dynamic Theme */
@@ -53,37 +55,37 @@ fun colorScheme(theme: Theme, darkTheme: Boolean): ColorScheme {
 
         Theme.BLUE -> {
             /* Blue Theme */
-            return blueTheme(isDark = darkTheme)
+            return blueTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.PURPLE -> {
             /* Purple Theme */
-            return purpleTheme(isDark = darkTheme)
+            return purpleTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.GREEN -> {
             /* Green Theme */
-            return greenTheme(isDark = darkTheme)
+            return greenTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.PINK -> {
             /* Pink Theme */
-            return pinkTheme(isDark = darkTheme)
+            return pinkTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.YELLOW -> {
             /* Yellow Theme */
-            return yellowTheme(isDark = darkTheme)
+            return yellowTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.RED -> {
             /* Red Theme */
-            return redTheme(isDark = darkTheme)
+            return redTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
 
         Theme.AQUA -> {
             /* Aqua Theme */
-            return aquaTheme(isDark = darkTheme)
+            return aquaTheme(isDark = darkTheme, themeContrast = themeContrast)
         }
     }
 }

app/src/main/java/ua/acclorite/book_story/presentation/ui/Elevation.kt

@@ -1,8 +0,0 @@
-package ua.acclorite.book_story.presentation.ui
-
-import androidx.compose.ui.unit.dp
-
-object ElevationDefaults {
-    val Dialog = 6.dp
-    val BottomSheet = 1.dp
-}

app/src/main/java/ua/acclorite/book_story/presentation/ui/Theme.kt

@@ -2,19 +2,28 @@ package ua.acclorite.book_story.presentation.ui
 
 import android.app.Activity
 import android.os.Build
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.ColorScheme
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.NavigationBarDefaults
 import androidx.compose.material3.Shapes
-import androidx.compose.material3.surfaceColorAtElevation
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.SideEffect
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalView
-import androidx.compose.ui.unit.Dp
 import androidx.core.view.WindowCompat
 
+@Immutable
+enum class ThemeContrast {
+    STANDARD,
+    MEDIUM,
+    HIGH
+}
+
+@Immutable
 enum class DarkTheme {
     FOLLOW_SYSTEM,
     OFF,
@@ -25,6 +34,10 @@ fun String.toDarkTheme(): DarkTheme {
     return DarkTheme.valueOf(this)
 }
 
+fun String.toThemeContrast(): ThemeContrast {
+    return ThemeContrast.valueOf(this)
+}
+
 @Composable
 fun DarkTheme.isDark(): Boolean {
     return when (this) {
@@ -38,6 +51,7 @@ fun DarkTheme.isDark(): Boolean {
 fun BooksHistoryResurrectionTheme(
     theme: Theme,
     isDark: Boolean,
+    themeContrast: ThemeContrast,
     content: @Composable () -> Unit
 ) {
     val view = LocalView.current
@@ -58,12 +72,16 @@ fun BooksHistoryResurrectionTheme(
         }
     }
 
+    val colorScheme = colorScheme(
+        theme = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) theme
+        else if (theme != Theme.DYNAMIC) theme else Theme.BLUE,
+        darkTheme = isDark,
+        themeContrast = themeContrast
+    )
+    val animatedColorScheme = animateColorScheme(targetColorScheme = colorScheme)
+
     MaterialTheme(
-        colorScheme = colorScheme(
-            theme = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) theme
-            else if (theme != Theme.DYNAMIC) theme else Theme.BLUE,
-            darkTheme = isDark
-        ),
+        colorScheme = animatedColorScheme,
         shapes = Shapes(),
         typography = Typography,
         content = content
@@ -71,5 +89,71 @@ fun BooksHistoryResurrectionTheme(
 }
 
 @Composable
-fun MaterialTheme.elevation(elevation: Dp = NavigationBarDefaults.Elevation): Color =
-    colorScheme.surfaceColorAtElevation(elevation)
+private fun animateColor(targetColor: Color): Color {
+    return animateColorAsState(
+        targetValue = targetColor,
+        animationSpec = tween(300),
+        label = ""
+    ).value
+}
+
+@Composable
+private fun animateColorScheme(targetColorScheme: ColorScheme): ColorScheme {
+    return ColorScheme(
+        primary = animateColor(targetColor = targetColorScheme.primary),
+        onPrimary = animateColor(targetColor = targetColorScheme.onPrimary),
+        primaryContainer = animateColor(targetColor = targetColorScheme.primaryContainer),
+        onPrimaryContainer = animateColor(targetColor = targetColorScheme.onPrimaryContainer),
+        secondary = animateColor(targetColor = targetColorScheme.secondary),
+        onSecondary = animateColor(targetColor = targetColorScheme.onSecondary),
+        secondaryContainer = animateColor(targetColor = targetColorScheme.secondaryContainer),
+        onSecondaryContainer = animateColor(targetColor = targetColorScheme.onSecondaryContainer),
+        tertiary = animateColor(targetColor = targetColorScheme.tertiary),
+        onTertiary = animateColor(targetColor = targetColorScheme.onTertiary),
+        tertiaryContainer = animateColor(targetColor = targetColorScheme.tertiaryContainer),
+        onTertiaryContainer = animateColor(targetColor = targetColorScheme.onTertiaryContainer),
+        error = animateColor(targetColor = targetColorScheme.error),
+        errorContainer = animateColor(targetColor = targetColorScheme.errorContainer),
+        onError = animateColor(targetColor = targetColorScheme.onError),
+        onErrorContainer = animateColor(targetColor = targetColorScheme.onErrorContainer),
+        background = animateColor(targetColor = targetColorScheme.background),
+        onBackground = animateColor(targetColor = targetColorScheme.onBackground),
+        surface = animateColor(targetColor = targetColorScheme.surface),
+        onSurface = animateColor(targetColor = targetColorScheme.onSurface),
+        surfaceVariant = animateColor(targetColor = targetColorScheme.surfaceVariant),
+        onSurfaceVariant = animateColor(targetColor = targetColorScheme.onSurfaceVariant),
+        outline = animateColor(targetColor = targetColorScheme.outline),
+        inverseOnSurface = animateColor(targetColor = targetColorScheme.inverseOnSurface),
+        inverseSurface = animateColor(targetColor = targetColorScheme.inverseSurface),
+        inversePrimary = animateColor(targetColor = targetColorScheme.inversePrimary),
+        surfaceTint = animateColor(targetColor = targetColorScheme.surfaceTint),
+        outlineVariant = animateColor(targetColor = targetColorScheme.outlineVariant),
+        scrim = animateColor(targetColor = targetColorScheme.scrim),
+        surfaceBright = animateColor(targetColor = targetColorScheme.surfaceBright),
+        surfaceDim = animateColor(targetColor = targetColorScheme.surfaceDim),
+        surfaceContainer = animateColor(targetColor = targetColorScheme.surfaceContainer),
+        surfaceContainerHigh = animateColor(targetColor = targetColorScheme.surfaceContainerHigh),
+        surfaceContainerHighest = animateColor(targetColor = targetColorScheme.surfaceContainerHighest),
+        surfaceContainerLow = animateColor(targetColor = targetColorScheme.surfaceContainerLow),
+        surfaceContainerLowest = animateColor(targetColor = targetColorScheme.surfaceContainerLowest),
+    )
+}
+
+@Composable
+fun animatedColorScheme(
+    theme: Theme,
+    isDark: Boolean,
+    themeContrast: ThemeContrast
+): ColorScheme {
+    val colorScheme = colorScheme(
+        theme = theme,
+        darkTheme = isDark,
+        themeContrast = themeContrast
+    )
+
+    return animateColorScheme(targetColorScheme = colorScheme)
+}
+
+
+
+

app/src/main/java/ua/acclorite/book_story/presentation/ui/theme/AquaTheme.kt

@@ -5,132 +5,472 @@ import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.graphics.Color
+import ua.acclorite.book_story.presentation.ui.ThemeContrast
 
-private val md_theme_light_primary = Color(0xFF006876)
-private val md_theme_light_onPrimary = Color(0xFFFFFFFF)
-private val md_theme_light_primaryContainer = Color(0xFFA1EFFF)
-private val md_theme_light_onPrimaryContainer = Color(0xFF001F25)
-private val md_theme_light_secondary = Color(0xFF4A6268)
-private val md_theme_light_onSecondary = Color(0xFFFFFFFF)
-private val md_theme_light_secondaryContainer = Color(0xFFCDE7ED)
-private val md_theme_light_onSecondaryContainer = Color(0xFF051F23)
-private val md_theme_light_tertiary = Color(0xFF545D7E)
-private val md_theme_light_onTertiary = Color(0xFFFFFFFF)
-private val md_theme_light_tertiaryContainer = Color(0xFFDBE1FF)
-private val md_theme_light_onTertiaryContainer = Color(0xFF101A37)
-private val md_theme_light_error = Color(0xFFBA1A1A)
-private val md_theme_light_errorContainer = Color(0xFFFFDAD6)
-private val md_theme_light_onError = Color(0xFFFFFFFF)
-private val md_theme_light_onErrorContainer = Color(0xFF410002)
-private val md_theme_light_background = Color(0xFFFBFCFD)
-private val md_theme_light_onBackground = Color(0xFF191C1D)
-private val md_theme_light_surface = Color(0xFFFBFCFD)
-private val md_theme_light_onSurface = Color(0xFF191C1D)
-private val md_theme_light_surfaceVariant = Color(0xFFDBE4E6)
-private val md_theme_light_onSurfaceVariant = Color(0xFF3F484A)
-private val md_theme_light_outline = Color(0xFF6F797B)
-private val md_theme_light_inverseOnSurface = Color(0xFFEFF1F2)
-private val md_theme_light_inverseSurface = Color(0xFF2E3132)
-private val md_theme_light_inversePrimary = Color(0xFF51D7EF)
-private val md_theme_light_surfaceTint = Color(0xFF006876)
-private val md_theme_light_outlineVariant = Color(0xFFBFC8CA)
-private val md_theme_light_scrim = Color(0xFF000000)
 
-private val md_theme_dark_primary = Color(0xFF51D7EF)
-private val md_theme_dark_onPrimary = Color(0xFF00363E)
-private val md_theme_dark_primaryContainer = Color(0xFF004E59)
-private val md_theme_dark_onPrimaryContainer = Color(0xFFA1EFFF)
-private val md_theme_dark_secondary = Color(0xFFB1CBD1)
-private val md_theme_dark_onSecondary = Color(0xFF1C3439)
-private val md_theme_dark_secondaryContainer = Color(0xFF334A50)
-private val md_theme_dark_onSecondaryContainer = Color(0xFFCDE7ED)
-private val md_theme_dark_tertiary = Color(0xFFBCC5EB)
-private val md_theme_dark_onTertiary = Color(0xFF262F4D)
-private val md_theme_dark_tertiaryContainer = Color(0xFF3C4665)
-private val md_theme_dark_onTertiaryContainer = Color(0xFFDBE1FF)
-private val md_theme_dark_error = Color(0xFFFFB4AB)
-private val md_theme_dark_errorContainer = Color(0xFF93000A)
-private val md_theme_dark_onError = Color(0xFF690005)
-private val md_theme_dark_onErrorContainer = Color(0xFFFFDAD6)
-private val md_theme_dark_background = Color(0xFF191C1D)
-private val md_theme_dark_onBackground = Color(0xFFE1E3E3)
-private val md_theme_dark_surface = Color(0xFF191C1D)
-private val md_theme_dark_onSurface = Color(0xFFE1E3E3)
-private val md_theme_dark_surfaceVariant = Color(0xFF3F484A)
-private val md_theme_dark_onSurfaceVariant = Color(0xFFBFC8CA)
-private val md_theme_dark_outline = Color(0xFF899295)
-private val md_theme_dark_inverseOnSurface = Color(0xFF191C1D)
-private val md_theme_dark_inverseSurface = Color(0xFFE1E3E3)
-private val md_theme_dark_inversePrimary = Color(0xFF006876)
-private val md_theme_dark_surfaceTint = Color(0xFF51D7EF)
-private val md_theme_dark_outlineVariant = Color(0xFF3F484A)
-private val md_theme_dark_scrim = Color(0xFF000000)
+private val primaryLight = Color(0xFF116682)
+private val onPrimaryLight = Color(0xFFFFFFFF)
+private val primaryContainerLight = Color(0xFFBDE9FF)
+private val onPrimaryContainerLight = Color(0xFF001F2A)
+private val secondaryLight = Color(0xFF4D616C)
+private val onSecondaryLight = Color(0xFFFFFFFF)
+private val secondaryContainerLight = Color(0xFFD0E6F2)
+private val onSecondaryContainerLight = Color(0xFF081E27)
+private val tertiaryLight = Color(0xFF5D5B7D)
+private val onTertiaryLight = Color(0xFFFFFFFF)
+private val tertiaryContainerLight = Color(0xFFE3DFFF)
+private val onTertiaryContainerLight = Color(0xFF191836)
+private val errorLight = Color(0xFFBA1A1A)
+private val onErrorLight = Color(0xFFFFFFFF)
+private val errorContainerLight = Color(0xFFFFDAD6)
+private val onErrorContainerLight = Color(0xFF410002)
+private val backgroundLight = Color(0xFFF6FAFD)
+private val onBackgroundLight = Color(0xFF171C1F)
+private val surfaceLight = Color(0xFFF6FAFD)
+private val onSurfaceLight = Color(0xFF171C1F)
+private val surfaceVariantLight = Color(0xFFDCE4E9)
+private val onSurfaceVariantLight = Color(0xFF40484C)
+private val outlineLight = Color(0xFF70787D)
+private val outlineVariantLight = Color(0xFFC0C8CD)
+private val scrimLight = Color(0xFF000000)
+private val inverseSurfaceLight = Color(0xFF2C3134)
+private val inverseOnSurfaceLight = Color(0xFFEDF1F5)
+private val inversePrimaryLight = Color(0xFF8BD0EF)
+private val surfaceDimLight = Color(0xFFD6DBDE)
+private val surfaceBrightLight = Color(0xFFF6FAFD)
+private val surfaceContainerLowestLight = Color(0xFFFFFFFF)
+private val surfaceContainerLowLight = Color(0xFFF0F4F8)
+private val surfaceContainerLight = Color(0xFFEAEEF2)
+private val surfaceContainerHighLight = Color(0xFFE4E9EC)
+private val surfaceContainerHighestLight = Color(0xFFDFE3E7)
+
+private val primaryLightMediumContrast = Color(0xFF00495F)
+private val onPrimaryLightMediumContrast = Color(0xFFFFFFFF)
+private val primaryContainerLightMediumContrast = Color(0xFF337D99)
+private val onPrimaryContainerLightMediumContrast = Color(0xFFFFFFFF)
+private val secondaryLightMediumContrast = Color(0xFF31464F)
+private val onSecondaryLightMediumContrast = Color(0xFFFFFFFF)
+private val secondaryContainerLightMediumContrast = Color(0xFF637882)
+private val onSecondaryContainerLightMediumContrast = Color(0xFFFFFFFF)
+private val tertiaryLightMediumContrast = Color(0xFF413F60)
+private val onTertiaryLightMediumContrast = Color(0xFFFFFFFF)
+private val tertiaryContainerLightMediumContrast = Color(0xFF737195)
+private val onTertiaryContainerLightMediumContrast = Color(0xFFFFFFFF)
+private val errorLightMediumContrast = Color(0xFF8C0009)
+private val onErrorLightMediumContrast = Color(0xFFFFFFFF)
+private val errorContainerLightMediumContrast = Color(0xFFDA342E)
+private val onErrorContainerLightMediumContrast = Color(0xFFFFFFFF)
+private val backgroundLightMediumContrast = Color(0xFFF6FAFD)
+private val onBackgroundLightMediumContrast = Color(0xFF171C1F)
+private val surfaceLightMediumContrast = Color(0xFFF6FAFD)
+private val onSurfaceLightMediumContrast = Color(0xFF171C1F)
+private val surfaceVariantLightMediumContrast = Color(0xFFDCE4E9)
+private val onSurfaceVariantLightMediumContrast = Color(0xFF3C4448)
+private val outlineLightMediumContrast = Color(0xFF586065)
+private val outlineVariantLightMediumContrast = Color(0xFF747C80)
+private val scrimLightMediumContrast = Color(0xFF000000)
+private val inverseSurfaceLightMediumContrast = Color(0xFF2C3134)
+private val inverseOnSurfaceLightMediumContrast = Color(0xFFEDF1F5)
+private val inversePrimaryLightMediumContrast = Color(0xFF8BD0EF)
+private val surfaceDimLightMediumContrast = Color(0xFFD6DBDE)
+private val surfaceBrightLightMediumContrast = Color(0xFFF6FAFD)
+private val surfaceContainerLowestLightMediumContrast = Color(0xFFFFFFFF)
+private val surfaceContainerLowLightMediumContrast = Color(0xFFF0F4F8)
+private val surfaceContainerLightMediumContrast = Color(0xFFEAEEF2)
+private val surfaceContainerHighLightMediumContrast = Color(0xFFE4E9EC)
+private val surfaceContainerHighestLightMediumContrast = Color(0xFFDFE3E7)
+
+private val primaryLightHighContrast = Color(0xFF002633)
+private val onPrimaryLightHighContrast = Color(0xFFFFFFFF)
+private val primaryContainerLightHighContrast = Color(0xFF00495F)
+private val onPrimaryContainerLightHighContrast = Color(0xFFFFFFFF)
+private val secondaryLightHighContrast = Color(0xFF10252E)
+private val onSecondaryLightHighContrast = Color(0xFFFFFFFF)
+private val secondaryContainerLightHighContrast = Color(0xFF31464F)
+private val onSecondaryContainerLightHighContrast = Color(0xFFFFFFFF)
+private val tertiaryLightHighContrast = Color(0xFF201F3D)
+private val onTertiaryLightHighContrast = Color(0xFFFFFFFF)
+private val tertiaryContainerLightHighContrast = Color(0xFF413F60)
+private val onTertiaryContainerLightHighContrast = Color(0xFFFFFFFF)
+private val errorLightHighContrast = Color(0xFF4E0002)
+private val onErrorLightHighContrast = Color(0xFFFFFFFF)
+private val errorContainerLightHighContrast = Color(0xFF8C0009)
+private val onErrorContainerLightHighContrast = Color(0xFFFFFFFF)
+private val backgroundLightHighContrast = Color(0xFFF6FAFD)
+private val onBackgroundLightHighContrast = Color(0xFF171C1F)
+private val surfaceLightHighContrast = Color(0xFFF6FAFD)
+private val onSurfaceLightHighContrast = Color(0xFF000000)
+private val surfaceVariantLightHighContrast = Color(0xFFDCE4E9)
+private val onSurfaceVariantLightHighContrast = Color(0xFF1D2529)
+private val outlineLightHighContrast = Color(0xFF3C4448)
+private val outlineVariantLightHighContrast = Color(0xFF3C4448)
+private val scrimLightHighContrast = Color(0xFF000000)
+private val inverseSurfaceLightHighContrast = Color(0xFF2C3134)
+private val inverseOnSurfaceLightHighContrast = Color(0xFFFFFFFF)
+private val inversePrimaryLightHighContrast = Color(0xFFD5F0FF)
+private val surfaceDimLightHighContrast = Color(0xFFD6DBDE)
+private val surfaceBrightLightHighContrast = Color(0xFFF6FAFD)
+private val surfaceContainerLowestLightHighContrast = Color(0xFFFFFFFF)
+private val surfaceContainerLowLightHighContrast = Color(0xFFF0F4F8)
+private val surfaceContainerLightHighContrast = Color(0xFFEAEEF2)
+private val surfaceContainerHighLightHighContrast = Color(0xFFE4E9EC)
+private val surfaceContainerHighestLightHighContrast = Color(0xFFDFE3E7)
+
+
+private val primaryDark = Color(0xFF8BD0EF)
+private val onPrimaryDark = Color(0xFF003546)
+private val primaryContainerDark = Color(0xFF004D64)
+private val onPrimaryContainerDark = Color(0xFFBDE9FF)
+private val secondaryDark = Color(0xFFB4CAD6)
+private val onSecondaryDark = Color(0xFF1F333C)
+private val secondaryContainerDark = Color(0xFF354A53)
+private val onSecondaryContainerDark = Color(0xFFD0E6F2)
+private val tertiaryDark = Color(0xFFC6C2EA)
+private val onTertiaryDark = Color(0xFF2E2D4D)
+private val tertiaryContainerDark = Color(0xFF454364)
+private val onTertiaryContainerDark = Color(0xFFE3DFFF)
+private val errorDark = Color(0xFFFFB4AB)
+private val onErrorDark = Color(0xFF690005)
+private val errorContainerDark = Color(0xFF93000A)
+private val onErrorContainerDark = Color(0xFFFFDAD6)
+private val backgroundDark = Color(0xFF0F1417)
+private val onBackgroundDark = Color(0xFFDFE3E7)
+private val surfaceDark = Color(0xFF0F1417)
+private val onSurfaceDark = Color(0xFFDFE3E7)
+private val surfaceVariantDark = Color(0xFF40484C)
+private val onSurfaceVariantDark = Color(0xFFC0C8CD)
+private val outlineDark = Color(0xFF8A9297)
+private val outlineVariantDark = Color(0xFF40484C)
+private val scrimDark = Color(0xFF000000)
+private val inverseSurfaceDark = Color(0xFFDFE3E7)
+private val inverseOnSurfaceDark = Color(0xFF2C3134)
+private val inversePrimaryDark = Color(0xFF116682)
+private val surfaceDimDark = Color(0xFF0F1417)
+private val surfaceBrightDark = Color(0xFF353A3D)
+private val surfaceContainerLowestDark = Color(0xFF0A0F11)
+private val surfaceContainerLowDark = Color(0xFF171C1F)
+private val surfaceContainerDark = Color(0xFF1B2023)
+private val surfaceContainerHighDark = Color(0xFF262B2D)
+private val surfaceContainerHighestDark = Color(0xFF303538)
+
+private val primaryDarkMediumContrast = Color(0xFF8FD4F4)
+private val onPrimaryDarkMediumContrast = Color(0xFF001923)
+private val primaryContainerDarkMediumContrast = Color(0xFF5399B7)
+private val onPrimaryContainerDarkMediumContrast = Color(0xFF000000)
+private val secondaryDarkMediumContrast = Color(0xFFB8CEDA)
+private val onSecondaryDarkMediumContrast = Color(0xFF031921)
+private val secondaryContainerDarkMediumContrast = Color(0xFF7F949F)
+private val onSecondaryContainerDarkMediumContrast = Color(0xFF000000)
+private val tertiaryDarkMediumContrast = Color(0xFFCAC7EF)
+private val onTertiaryDarkMediumContrast = Color(0xFF141231)
+private val tertiaryContainerDarkMediumContrast = Color(0xFF908DB2)
+private val onTertiaryContainerDarkMediumContrast = Color(0xFF000000)
+private val errorDarkMediumContrast = Color(0xFFFFBAB1)
+private val onErrorDarkMediumContrast = Color(0xFF370001)
+private val errorContainerDarkMediumContrast = Color(0xFFFF5449)
+private val onErrorContainerDarkMediumContrast = Color(0xFF000000)
+private val backgroundDarkMediumContrast = Color(0xFF0F1417)
+private val onBackgroundDarkMediumContrast = Color(0xFFDFE3E7)
+private val surfaceDarkMediumContrast = Color(0xFF0F1417)
+private val onSurfaceDarkMediumContrast = Color(0xFFF7FBFF)
+private val surfaceVariantDarkMediumContrast = Color(0xFF40484C)
+private val onSurfaceVariantDarkMediumContrast = Color(0xFFC4CCD1)
+private val outlineDarkMediumContrast = Color(0xFF9CA4A9)
+private val outlineVariantDarkMediumContrast = Color(0xFF7C8489)
+private val scrimDarkMediumContrast = Color(0xFF000000)
+private val inverseSurfaceDarkMediumContrast = Color(0xFFDFE3E7)
+private val inverseOnSurfaceDarkMediumContrast = Color(0xFF262B2E)
+private val inversePrimaryDarkMediumContrast = Color(0xFF004E66)
+private val surfaceDimDarkMediumContrast = Color(0xFF0F1417)
+private val surfaceBrightDarkMediumContrast = Color(0xFF353A3D)
+private val surfaceContainerLowestDarkMediumContrast = Color(0xFF0A0F11)
+private val surfaceContainerLowDarkMediumContrast = Color(0xFF171C1F)
+private val surfaceContainerDarkMediumContrast = Color(0xFF1B2023)
+private val surfaceContainerHighDarkMediumContrast = Color(0xFF262B2D)
+private val surfaceContainerHighestDarkMediumContrast = Color(0xFF303538)
+
+private val primaryDarkHighContrast = Color(0xFFF7FBFF)
+private val onPrimaryDarkHighContrast = Color(0xFF000000)
+private val primaryContainerDarkHighContrast = Color(0xFF8FD4F4)
+private val onPrimaryContainerDarkHighContrast = Color(0xFF000000)
+private val secondaryDarkHighContrast = Color(0xFFF7FBFF)
+private val onSecondaryDarkHighContrast = Color(0xFF000000)
+private val secondaryContainerDarkHighContrast = Color(0xFFB8CEDA)
+private val onSecondaryContainerDarkHighContrast = Color(0xFF000000)
+private val tertiaryDarkHighContrast = Color(0xFFFEF9FF)
+private val onTertiaryDarkHighContrast = Color(0xFF000000)
+private val tertiaryContainerDarkHighContrast = Color(0xFFCAC7EF)
+private val onTertiaryContainerDarkHighContrast = Color(0xFF000000)
+private val errorDarkHighContrast = Color(0xFFFFF9F9)
+private val onErrorDarkHighContrast = Color(0xFF000000)
+private val errorContainerDarkHighContrast = Color(0xFFFFBAB1)
+private val onErrorContainerDarkHighContrast = Color(0xFF000000)
+private val backgroundDarkHighContrast = Color(0xFF0F1417)
+private val onBackgroundDarkHighContrast = Color(0xFFDFE3E7)
+private val surfaceDarkHighContrast = Color(0xFF0F1417)
+private val onSurfaceDarkHighContrast = Color(0xFFFFFFFF)
+private val surfaceVariantDarkHighContrast = Color(0xFF40484C)
+private val onSurfaceVariantDarkHighContrast = Color(0xFFF7FBFF)
+private val outlineDarkHighContrast = Color(0xFFC4CCD1)
+private val outlineVariantDarkHighContrast = Color(0xFFC4CCD1)
+private val scrimDarkHighContrast = Color(0xFF000000)
+private val inverseSurfaceDarkHighContrast = Color(0xFFDFE3E7)
+private val inverseOnSurfaceDarkHighContrast = Color(0xFF000000)
+private val inversePrimaryDarkHighContrast = Color(0xFF002E3D)
+private val surfaceDimDarkHighContrast = Color(0xFF0F1417)
+private val surfaceBrightDarkHighContrast = Color(0xFF353A3D)
+private val surfaceContainerLowestDarkHighContrast = Color(0xFF0A0F11)
+private val surfaceContainerLowDarkHighContrast = Color(0xFF171C1F)
+private val surfaceContainerDarkHighContrast = Color(0xFF1B2023)
+private val surfaceContainerHighDarkHighContrast = Color(0xFF262B2D)
+private val surfaceContainerHighestDarkHighContrast = Color(0xFF303538)
+
 
 @Composable
-fun aquaTheme(isDark: Boolean): ColorScheme {
+fun aquaTheme(isDark: Boolean, themeContrast: ThemeContrast): ColorScheme {
     return if (isDark) {
-        darkColorScheme(
-            primary = md_theme_dark_primary,
-            onPrimary = md_theme_dark_onPrimary,
-            primaryContainer = md_theme_dark_primaryContainer,
-            onPrimaryContainer = md_theme_dark_onPrimaryContainer,
-            secondary = md_theme_dark_secondary,
-            onSecondary = md_theme_dark_onSecondary,
-            secondaryContainer = md_theme_dark_secondaryContainer,
-            onSecondaryContainer = md_theme_dark_onSecondaryContainer,
-            tertiary = md_theme_dark_tertiary,
-            onTertiary = md_theme_dark_onTertiary,
-            tertiaryContainer = md_theme_dark_tertiaryContainer,
-            onTertiaryContainer = md_theme_dark_onTertiaryContainer,
-            error = md_theme_dark_error,
-            errorContainer = md_theme_dark_errorContainer,
-            onError = md_theme_dark_onError,
-            onErrorContainer = md_theme_dark_onErrorContainer,
-            background = md_theme_dark_background,
-            onBackground = md_theme_dark_onBackground,
-            surface = md_theme_dark_surface,
-            onSurface = md_theme_dark_onSurface,
-            surfaceVariant = md_theme_dark_surfaceVariant,
-            onSurfaceVariant = md_theme_dark_onSurfaceVariant,
-            outline = md_theme_dark_outline,
-            inverseOnSurface = md_theme_dark_inverseOnSurface,
-            inverseSurface = md_theme_dark_inverseSurface,
-            inversePrimary = md_theme_dark_inversePrimary,
-            surfaceTint = md_theme_dark_surfaceTint,
-            outlineVariant = md_theme_dark_outlineVariant,
-            scrim = md_theme_dark_scrim
-        )
+        when (themeContrast) {
+            ThemeContrast.STANDARD -> {
+                darkColorScheme(
+                    primary = primaryDark,
+                    onPrimary = onPrimaryDark,
+                    primaryContainer = primaryContainerDark,
+                    onPrimaryContainer = onPrimaryContainerDark,
+                    secondary = secondaryDark,
+                    onSecondary = onSecondaryDark,
+                    secondaryContainer = secondaryContainerDark,
+                    onSecondaryContainer = onSecondaryContainerDark,
+                    tertiary = tertiaryDark,
+                    onTertiary = onTertiaryDark,
+                    tertiaryContainer = tertiaryContainerDark,
+                    onTertiaryContainer = onTertiaryContainerDark,
+                    error = errorDark,
+                    onError = onErrorDark,
+                    errorContainer = errorContainerDark,
+                    onErrorContainer = onErrorContainerDark,
+                    background = backgroundDark,
+                    onBackground = onBackgroundDark,
+                    surface = surfaceDark,
+                    onSurface = onSurfaceDark,
+                    surfaceVariant = surfaceVariantDark,
+                    onSurfaceVariant = onSurfaceVariantDark,
+                    outline = outlineDark,
+                    outlineVariant = outlineVariantDark,
+                    scrim = scrimDark,
+                    inverseSurface = inverseSurfaceDark,
+                    inverseOnSurface = inverseOnSurfaceDark,
+                    inversePrimary = inversePrimaryDark,
+                    surfaceDim = surfaceDimDark,
+                    surfaceBright = surfaceBrightDark,
+                    surfaceContainerLowest = surfaceContainerLowestDark,
+                    surfaceContainerLow = surfaceContainerLowDark,
+                    surfaceContainer = surfaceContainerDark,
+                    surfaceContainerHigh = surfaceContainerHighDark,
+                    surfaceContainerHighest = surfaceContainerHighestDark,
+                )
+            }
+
+            ThemeContrast.MEDIUM -> {
+                darkColorScheme(
+                    primary = primaryDarkMediumContrast,
+                    onPrimary = onPrimaryDarkMediumContrast,
+                    primaryContainer = primaryContainerDarkMediumContrast,
+                    onPrimaryContainer = onPrimaryContainerDarkMediumContrast,
+                    secondary = secondaryDarkMediumContrast,
+                    onSecondary = onSecondaryDarkMediumContrast,
+                    secondaryContainer = secondaryContainerDarkMediumContrast,
+                    onSecondaryContainer = onSecondaryContainerDarkMediumContrast,
+                    tertiary = tertiaryDarkMediumContrast,
+                    onTertiary = onTertiaryDarkMediumContrast,
+                    tertiaryContainer = tertiaryContainerDarkMediumContrast,
+                    onTertiaryContainer = onTertiaryContainerDarkMediumContrast,
+                    error = errorDarkMediumContrast,
+                    onError = onErrorDarkMediumContrast,
+                    errorContainer = errorContainerDarkMediumContrast,
+                    onErrorContainer = onErrorContainerDarkMediumContrast,
+                    background = backgroundDarkMediumContrast,
+                    onBackground = onBackgroundDarkMediumContrast,
+                    surface = surfaceDarkMediumContrast,
+                    onSurface = onSurfaceDarkMediumContrast,
+                    surfaceVariant = surfaceVariantDarkMediumContrast,
+                    onSurfaceVariant = onSurfaceVariantDarkMediumContrast,
+                    outline = outlineDarkMediumContrast,
+                    outlineVariant = outlineVariantDarkMediumContrast,
+                    scrim = scrimDarkMediumContrast,
+                    inverseSurface = inverseSurfaceDarkMediumContrast,
+                    inverseOnSurface = inverseOnSurfaceDarkMediumContrast,
+                    inversePrimary = inversePrimaryDarkMediumContrast,
+                    surfaceDim = surfaceDimDarkMediumContrast,
+                    surfaceBright = surfaceBrightDarkMediumContrast,
+                    surfaceContainerLowest = surfaceContainerLowestDarkMediumContrast,
+                    surfaceContainerLow = surfaceContainerLowDarkMediumContrast,
+                    surfaceContainer = surfaceContainerDarkMediumContrast,
+                    surfaceContainerHigh = surfaceContainerHighDarkMediumContrast,
+                    surfaceContainerHighest = surfaceContainerHighestDarkMediumContrast,
+                )
+            }
+
+            ThemeContrast.HIGH -> {
+                darkColorScheme(
+                    primary = primaryDarkHighContrast,
+                    onPrimary = onPrimaryDarkHighContrast,
+                    primaryContainer = primaryContainerDarkHighContrast,
+                    onPrimaryContainer = onPrimaryContainerDarkHighContrast,
+                    secondary = secondaryDarkHighContrast,
+                    onSecondary = onSecondaryDarkHighContrast,
+                    secondaryContainer = secondaryContainerDarkHighContrast,
+                    onSecondaryContainer = onSecondaryContainerDarkHighContrast,
+                    tertiary = tertiaryDarkHighContrast,
+                    onTertiary = onTertiaryDarkHighContrast,
+                    tertiaryContainer = tertiaryContainerDarkHighContrast,
+                    onTertiaryContainer = onTertiaryContainerDarkHighContrast,
+                    error = errorDarkHighContrast,
+                    onError = onErrorDarkHighContrast,
+                    errorContainer = errorContainerDarkHighContrast,
+                    onErrorContainer = onErrorContainerDarkHighContrast,
+                    background = backgroundDarkHighContrast,
+                    onBackground = onBackgroundDarkHighContrast,
+                    surface = surfaceDarkHighContrast,
+                    onSurface = onSurfaceDarkHighContrast,
+                    surfaceVariant = surfaceVariantDarkHighContrast,
+                    onSurfaceVariant = onSurfaceVariantDarkHighContrast,
+                    outline = outlineDarkHighContrast,
+                    outlineVariant = outlineVariantDarkHighContrast,
+                    scrim = scrimDarkHighContrast,
+                    inverseSurface = inverseSurfaceDarkHighContrast,
+                    inverseOnSurface = inverseOnSurfaceDarkHighContrast,
+                    inversePrimary = inversePrimaryDarkHighContrast,
+                    surfaceDim = surfaceDimDarkHighContrast,
+                    surfaceBright = surfaceBrightDarkHighContrast,
+                    surfaceContainerLowest = surfaceContainerLowestDarkHighContrast,
+                    surfaceContainerLow = surfaceContainerLowDarkHighContrast,
+                    surfaceContainer = surfaceContainerDarkHighContrast,
+                    surfaceContainerHigh = surfaceContainerHighDarkHighContrast,
+                    surfaceContainerHighest = surfaceContainerHighestDarkHighContrast,
+                )
+            }
+        }
     } else {
-        lightColorScheme(
-            primary = md_theme_light_primary,
-            onPrimary = md_theme_light_onPrimary,
-            primaryContainer = md_theme_light_primaryContainer,
-            onPrimaryContainer = md_theme_light_onPrimaryContainer,
-            secondary = md_theme_light_secondary,
-            onSecondary = md_theme_light_onSecondary,
-            secondaryContainer = md_theme_light_secondaryContainer,
-            onSecondaryContainer = md_theme_light_onSecondaryContainer,
-            tertiary = md_theme_light_tertiary,
-            onTertiary = md_theme_light_onTertiary,
-            tertiaryContainer = md_theme_light_tertiaryContainer,
-            onTertiaryContainer = md_theme_light_onTertiaryContainer,
-            error = md_theme_light_error,
-            errorContainer = md_theme_light_errorContainer,
-            onError = md_theme_light_onError,
-            onErrorContainer = md_theme_light_onErrorContainer,
-            background = md_theme_light_background,
-            onBackground = md_theme_light_onBackground,
-            surface = md_theme_light_surface,
-            onSurface = md_theme_light_onSurface,
-            surfaceVariant = md_theme_light_surfaceVariant,
-            onSurfaceVariant = md_theme_light_onSurfaceVariant,
-            outline = md_theme_light_outline,
-            inverseOnSurface = md_theme_light_inverseOnSurface,
-            inverseSurface = md_theme_light_inverseSurface,
-            inversePrimary = md_theme_light_inversePrimary,
-            surfaceTint = md_theme_light_surfaceTint,
-            outlineVariant = md_theme_light_outlineVariant,
-            scrim = md_theme_light_scrim
-        )
+        when (themeContrast) {
+            ThemeContrast.STANDARD -> {
+                lightColorScheme(
+                    primary = primaryLight,
+                    onPrimary = onPrimaryLight,
+                    primaryContainer = primaryContainerLight,
+                    onPrimaryContainer = onPrimaryContainerLight,
+                    secondary = secondaryLight,
+                    onSecondary = onSecondaryLight,
+                    secondaryContainer = secondaryContainerLight,
+                    onSecondaryContainer = onSecondaryContainerLight,
+                    tertiary = tertiaryLight,
+                    onTertiary = onTertiaryLight,
+                    tertiaryContainer = tertiaryContainerLight,
+                    onTertiaryContainer = onTertiaryContainerLight,
+                    error = errorLight,
+                    onError = onErrorLight,
+                    errorContainer = errorContainerLight,
+                    onErrorContainer = onErrorContainerLight,
+                    background = backgroundLight,
+                    onBackground = onBackgroundLight,
+                    surface = surfaceLight,
+                    onSurface = onSurfaceLight,
+                    surfaceVariant = surfaceVariantLight,
+                    onSurfaceVariant = onSurfaceVariantLight,
+                    outline = outlineLight,
+                    outlineVariant = outlineVariantLight,
+                    scrim = scrimLight,
+                    inverseSurface = inverseSurfaceLight,
+                    inverseOnSurface = inverseOnSurfaceLight,
+                    inversePrimary = inversePrimaryLight,
+                    surfaceDim = surfaceDimLight,
+                    surfaceBright = surfaceBrightLight,
+                    surfaceContainerLowest = surfaceContainerLowestLight,
+                    surfaceContainerLow = surfaceContainerLowLight,
+                    surfaceContainer = surfaceContainerLight,
+                    surfaceContainerHigh = surfaceContainerHighLight,
+                    surfaceContainerHighest = surfaceContainerHighestLight,
+                )
+            }
+
+            ThemeContrast.MEDIUM -> {
+                lightColorScheme(
+                    primary = primaryLightMediumContrast,
+                    onPrimary = onPrimaryLightMediumContrast,
+                    primaryContainer = primaryContainerLightMediumContrast,
+                    onPrimaryContainer = onPrimaryContainerLightMediumContrast,
+                    secondary = secondaryLightMediumContrast,
+                    onSecondary = onSecondaryLightMediumContrast,
+                    secondaryContainer = secondaryContainerLightMediumContrast,
+                    onSecondaryContainer = onSecondaryContainerLightMediumContrast,
+                    tertiary = tertiaryLightMediumContrast,
+                    onTertiary = onTertiaryLightMediumContrast,
+                    tertiaryContainer = tertiaryContainerLightMediumContrast,
+                    onTertiaryContainer = onTertiaryContainerLightMediumContrast,
+                    error = errorLightMediumContrast,
+                    onError = onErrorLightMediumContrast,
+                    errorContainer = errorContainerLightMediumContrast,
+                    onErrorContainer = onErrorContainerLightMediumContrast,
+                    background = backgroundLightMediumContrast,
+                    onBackground = onBackgroundLightMediumContrast,
+                    surface = surfaceLightMediumContrast,
+                    onSurface = onSurfaceLightMediumContrast,
+                    surfaceVariant = surfaceVariantLightMediumContrast,
+                    onSurfaceVariant = onSurfaceVariantLightMediumContrast,
+                    outline = outlineLightMediumContrast,
+                    outlineVariant = outlineVariantLightMediumContrast,
+                    scrim = scrimLightMediumContrast,
+                    inverseSurface = inverseSurfaceLightMediumContrast,
+                    inverseOnSurface = inverseOnSurfaceLightMediumContrast,
+                    inversePrimary = inversePrimaryLightMediumContrast,
+                    surfaceDim = surfaceDimLightMediumContrast,
+                    surfaceBright = surfaceBrightLightMediumContrast,
+                    surfaceContainerLowest = surfaceContainerLowestLightMediumContrast,
+                    surfaceContainerLow = surfaceContainerLowLightMediumContrast,
+                    surfaceContainer = surfaceContainerLightMediumContrast,
+                    surfaceContainerHigh = surfaceContainerHighLightMediumContrast,
+                    surfaceContainerHighest = surfaceContainerHighestLightMediumContrast,
+                )
+            }
+
+            ThemeContrast.HIGH -> {
+                lightColorScheme(
+                    primary = primaryLightHighContrast,
+                    onPrimary = onPrimaryLightHighContrast,
+                    primaryContainer = primaryContainerLightHighContrast,
+                    onPrimaryContainer = onPrimaryContainerLightHighContrast,
+                    secondary = secondaryLightHighContrast,
+                    onSecondary = onSecondaryLightHighContrast,
+                    secondaryContainer = secondaryContainerLightHighContrast,
+                    onSecondaryContainer = onSecondaryContainerLightHighContrast,
+                    tertiary = tertiaryLightHighContrast,
+                    onTertiary = onTertiaryLightHighContrast,
+                    tertiaryContainer = tertiaryContainerLightHighContrast,
+                    onTertiaryContainer = onTertiaryContainerLightHighContrast,
+                    error = errorLightHighContrast,
+                    onError = onErrorLightHighContrast,
+                    errorContainer = errorContainerLightHighContrast,
+                    onErrorContainer = onErrorContainerLightHighContrast,
+                    background = backgroundLightHighContrast,
+                    onBackground = onBackgroundLightHighContrast,
+                    surface = surfaceLightHighContrast,
+                    onSurface = onSurfaceLightHighContrast,
+                    surfaceVariant = surfaceVariantLightHighContrast,
+                    onSurfaceVariant = onSurfaceVariantLightHighContrast,
+                    outline = outlineLightHighContrast,
+                    outlineVariant = outlineVariantLightHighContrast,
+                    scrim = scrimLightHighContrast,
+                    inverseSurface = inverseSurfaceLightHighContrast,
+                    inverseOnSurface = inverseOnSurfaceLightHighContrast,
+                    inversePrimary = inversePrimaryLightHighContrast,
+                    surfaceDim = surfaceDimLightHighContrast,
+                    surfaceBright = surfaceBrightLightHighContrast,
+                    surfaceContainerLowest = surfaceContainerLowestLightHighContrast,
+                    surfaceContainerLow = surfaceContainerLowLightHighContrast,
+                    surfaceContainer = surfaceContainerLightHighContrast,
+                    surfaceContainerHigh = surfaceContainerHighLightHighContrast,
+                    surfaceContainerHighest = surfaceContainerHighestLightHighContrast,
+                )
+            }
+        }
     }
 }