From 9efbe25bcb82d18997c2ed34dcdbf8a5e9040426 Mon Sep 17 00:00:00 2001
From: hhu67 <hhu67@hhu67.pw>
Date: Thu, 20 Aug 2026 22:24:44 +0300
Subject: [PATCH] design change

---
 .idea/gradle.xml                              |    1 +
 .idea/inspectionProfiles/Project_Default.xml  |   50 +
 .idea/planningMode.xml                        |   10 +
 .../com/sergay/hhu67/pw/app/MainActivity.kt   | 1270 +----------------
 .../hhu67/pw/app/data/models/AnswerModels.kt  |   45 +
 .../hhu67/pw/app/data/network/ApiService.kt   |  120 ++
 .../app/data/network/PersistentCookieJar.kt   |   38 +
 .../pw/app/ui/components/AppComponents.kt     |  368 +++++
 .../hhu67/pw/app/ui/screens/AuthScreen.kt     |   66 +
 .../hhu67/pw/app/ui/screens/MainAppScreen.kt  |  418 ++++++
 .../pw/app/ui/viewmodel/MainViewModel.kt      |  318 +++++
 11 files changed, 1444 insertions(+), 1260 deletions(-)
 create mode 100644 .idea/inspectionProfiles/Project_Default.xml
 create mode 100644 .idea/planningMode.xml
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/data/models/AnswerModels.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/data/network/ApiService.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/data/network/PersistentCookieJar.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/ui/components/AppComponents.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/AuthScreen.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/MainAppScreen.kt
 create mode 100644 app/src/main/java/com/sergay/hhu67/pw/app/ui/viewmodel/MainViewModel.kt

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index cdbc250..02c4aa5 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..f0c6ad0
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,50 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/planningMode.xml b/.idea/planningMode.xml
new file mode 100644
index 0000000..70296e2
--- /dev/null
+++ b/.idea/planningMode.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PlanningModeManager">
+    <option name="approvalStates">
+      <map>
+        <entry key="01c512e9-19ac-441f-9dda-3e55719b73bd" value="false" />
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/MainActivity.kt b/app/src/main/java/com/sergay/hhu67/pw/app/MainActivity.kt
index 2b229f4..e44a389 100644
--- a/app/src/main/java/com/sergay/hhu67/pw/app/MainActivity.kt
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/MainActivity.kt
@@ -1,553 +1,21 @@
 package com.sergay.hhu67.pw.app
 
-import android.content.Context
-import android.content.SharedPreferences
-import android.net.Uri
 import android.os.Bundle
-import android.widget.Toast
 import androidx.activity.ComponentActivity
-import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
-import androidx.activity.result.contract.ActivityResultContracts
-import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
-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.items
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.automirrored.filled.Logout
-import androidx.compose.material.icons.filled.*
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.darkColorScheme
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.layout.ContentScale
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.text.input.PasswordVisualTransformation
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.viewinterop.AndroidView
-import androidx.compose.ui.window.Dialog
-import androidx.compose.ui.window.DialogProperties
-import androidx.core.content.edit
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
-import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.viewmodel.compose.viewModel
-import androidx.media3.common.MediaItem
-import androidx.media3.exoplayer.ExoPlayer
-import androidx.media3.ui.PlayerView
-import coil.ImageLoader
-import coil.compose.AsyncImage
-import coil.decode.VideoFrameDecoder
-import com.google.gson.annotations.SerializedName
-import kotlinx.coroutines.launch
-import okhttp3.*
-import okhttp3.HttpUrl.Companion.toHttpUrl
-import okhttp3.MediaType.Companion.toMediaTypeOrNull
-import okhttp3.RequestBody.Companion.toRequestBody
-import retrofit2.Response
-import retrofit2.Retrofit
-import retrofit2.converter.gson.GsonConverterFactory
-import retrofit2.http.*
-import java.io.InputStream
-import java.util.concurrent.TimeUnit
-import kotlin.math.ceil
-
-// ==========================================
-// 1. СЕТЕВЫЕ МОДЕЛИ И API
-// ==========================================
-
-data class IpInfo(
-    @SerializedName("ip") val ip: String?,
-    @SerializedName("country") val country: String?,
-    @SerializedName("city") val city: String?
-)
-
-data class AnswerGet(
-    @SerializedName("id") val id: Int,
-    @SerializedName("link") val link: String?,
-    @SerializedName("name") val name: String?,
-    @SerializedName("des") val des: String?
-)
-
-data class AnswerList(
-    @SerializedName("total") val total: Int,
-    @SerializedName("items") val items: List<AnswerGet>?
-)
-
-data class AnswerAdmin(
-    @SerializedName("id") val id: Int,
-    @SerializedName("username") val username: String,
-    @SerializedName("ip") val ip: String?,
-    @SerializedName("country") val country: String?,
-    @SerializedName("city") val city: String?,
-    @SerializedName("is_admin") val isAdmin: Boolean
-)
-
-data class AnswerAdminList(
-    @SerializedName("total") val total: Int,
-    @SerializedName("items") val items: List<AnswerAdmin>?
-)
-
-data class AnswerBot(
-    @SerializedName("id") val id: Int,
-    @SerializedName("phrase") val phrase: String
-)
-
-data class AnswerBotList(
-    @SerializedName("total") val total: Int,
-    @SerializedName("items") val items: List<AnswerBot>?
-)
-
-class PersistentCookieJar(context: Context) : CookieJar {
-    private val prefs: SharedPreferences = context.getSharedPreferences("app_cookies", Context.MODE_PRIVATE)
-    private val cookieStore = mutableListOf<Cookie>()
-
-    init {
-        val savedToken = prefs.getString("token_cookie", null)
-        if (!savedToken.isNullOrEmpty()) {
-            Cookie.parse("https://sergay.hhu67.pw/".toHttpUrl(), savedToken)?.let {
-                cookieStore.add(it)
-            }
-        }
-    }
-
-    override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
-        cookies.firstOrNull { it.name == "token" }?.let {
-            prefs.edit { putString("token_cookie", it.toString()) }
-        }
-        cookieStore.removeAll { existing -> cookies.any { it.name == existing.name } }
-        cookieStore.addAll(cookies)
-    }
-
-    override fun loadForRequest(url: HttpUrl): List<Cookie> = cookieStore
-
-    fun clear() {
-        cookieStore.clear()
-        prefs.edit { clear() }
-    }
-}
-
-lateinit var globalCookieJar: PersistentCookieJar
-
-interface IpService {
-    @GET("/")
-    suspend fun getIpInfo(): IpInfo
-}
-
-interface ApiService {
-    @FormUrlEncoded
-    @POST("api/login")
-    suspend fun login(
-        @Field("username") user: String,
-        @Field("password") pass: String,
-        @Field("browser") browser: String = "Android Kotlin Client",
-        @Field("ip") ip: String,
-        @Field("country") country: String,
-        @Field("city") city: String
-    ): Response<ResponseBody>
-
-    @GET("api/get/list")
-    suspend fun getImages(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
-
-    @GET("api/get/audio/list")
-    suspend fun getAudio(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
-
-    @GET("api/get/video/list")
-    suspend fun getVideo(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
-
-    @GET("api/get/bot/list/")
-    suspend fun getBotQuotes(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerBotList
-
-    @GET("api/get/admin/list/")
-    suspend fun getUsers(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerAdminList
-
-    @FormUrlEncoded
-    @POST("api/post/update/")
-    suspend fun updateImage(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/update/audio/")
-    suspend fun updateAudio(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/update/video/")
-    suspend fun updateVideo(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/delete/")
-    suspend fun deleteImage(@Field("id") id: Int): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/delete/audio/")
-    suspend fun deleteAudio(@Field("id") id: Int): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/delete/video/")
-    suspend fun deleteVideo(@Field("id") id: Int): Response<ResponseBody>
-
-    @Multipart
-    @POST("api/post/user/")
-    suspend fun uploadImage(@Part image: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
-
-    @Multipart
-    @POST("api/post/audio/user/")
-    suspend fun uploadAudio(@Part audio: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
-
-    @Multipart
-    @POST("api/post/video/user/")
-    suspend fun uploadVideo(@Part video: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/delete/admin/user/")
-    suspend fun deleteUser(@Field("username") username: String): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/update/bot/")
-    suspend fun updateBotPhrase(@Field("id") id: Int, @Field("phrase") phrase: String): Response<ResponseBody>
-
-    @FormUrlEncoded
-    @POST("api/post/delete/bot/")
-    suspend fun deleteBotPhrase(@Field("id") id: Int): Response<ResponseBody>
-
-    companion object {
-        fun create(): ApiService {
-            val okHttp = OkHttpClient.Builder()
-                .cookieJar(globalCookieJar)
-                .connectTimeout(60, TimeUnit.SECONDS)
-                .readTimeout(60, TimeUnit.SECONDS)
-                .build()
-
-            return Retrofit.Builder()
-                .baseUrl("https://sergay.hhu67.pw/")
-                .client(okHttp)
-                .addConverterFactory(GsonConverterFactory.create())
-                .build()
-                .create(ApiService::class.java)
-        }
-
-        fun createIpService(): IpService {
-            return Retrofit.Builder()
-                .baseUrl("https://ip.hhu67.pw/")
-                .addConverterFactory(GsonConverterFactory.create())
-                .build()
-                .create(IpService::class.java)
-        }
-    }
-}
-
-// ==========================================
-// 2. VIEWMODEL
-// ==========================================
-
-enum class AppTab(val title: String) {
-    IMAGES("Фото"),
-    AUDIO("Аудио"),
-    VIDEO("Видео"),
-    ADMIN("Админка")
-}
-
-sealed interface ContentState {
-    object Loading : ContentState
-    data class SuccessItems(val items: List<AnswerGet>) : ContentState
-    data class Error(val message: String) : ContentState
-}
-
-class MainViewModel(appContext: Context) : ViewModel() {
-    private val authPrefs: SharedPreferences = appContext.getSharedPreferences("auth_session", Context.MODE_PRIVATE)
-    private val api = ApiService.create()
-    private val ipApi = ApiService.createIpService()
-
-    var isAuthenticated by mutableStateOf(authPrefs.getBoolean("is_auth", false))
-    var isAdmin by mutableStateOf(authPrefs.getBoolean("is_admin", false))
-    var isAuthLoading by mutableStateOf(false)
-
-    var currentTab by mutableStateOf(AppTab.IMAGES)
-    var state by mutableStateOf<ContentState>(ContentState.Loading)
-
-    var currentPage by mutableIntStateOf(0)
-    var totalItemsCount by mutableIntStateOf(0)
-
-    var previewMediaItem by mutableStateOf<AnswerGet?>(null)
-    var isPreviewVideo by mutableStateOf(false)
-
-    var audioPlaylist by mutableStateOf<List<AnswerGet>>(emptyList())
-    var currentAudioIndex by mutableIntStateOf(-1)
-    var isAudioPlaying by mutableStateOf(false)
-
-    var adminUsers by mutableStateOf<List<AnswerAdmin>>(emptyList())
-    var usersTotalCount by mutableIntStateOf(0)
-    var usersCurrentPage by mutableIntStateOf(0)
-
-    var adminQuotes by mutableStateOf<List<AnswerBot>>(emptyList())
-    var quotesTotalCount by mutableIntStateOf(0)
-    var quotesCurrentPage by mutableIntStateOf(0)
-
-    init {
-        if (isAuthenticated) {
-            checkRoleAndRestore()
-        }
-    }
-
-    private fun checkRoleAndRestore() {
-        viewModelScope.launch {
-            try {
-                api.getUsers(limit = 1, offset = 0)
-                isAdmin = true
-                authPrefs.edit { putBoolean("is_admin", true) }
-            } catch (e: retrofit2.HttpException) {
-                if (e.code() == 403) {
-                    isAdmin = false
-                    authPrefs.edit { putBoolean("is_admin", false) }
-                }
-            } catch (_: Exception) {}
-            selectTab(AppTab.IMAGES)
-        }
-    }
-
-    fun login(user: String, pass: String, onResult: (Boolean, String) -> Unit) {
-        viewModelScope.launch {
-            isAuthLoading = true
-            try {
-                val ipInfo = try {
-                    ipApi.getIpInfo()
-                } catch (_: Exception) {
-                    IpInfo("127.0.0.1", "Unknown", "Unknown")
-                }
-
-                val resp = api.login(
-                    user = user,
-                    pass = pass,
-                    ip = ipInfo.ip ?: "127.0.0.1",
-                    country = ipInfo.country ?: "Unknown",
-                    city = ipInfo.city ?: "Unknown"
-                )
-
-                if (resp.isSuccessful) {
-                    isAuthenticated = true
-                    authPrefs.edit { putBoolean("is_auth", true) }
-
-                    try {
-                        api.getUsers(limit = 1, offset = 0)
-                        isAdmin = true
-                        authPrefs.edit { putBoolean("is_admin", true) }
-                        onResult(true, "Вход выполнен: Администратор")
-                    } catch (e: retrofit2.HttpException) {
-                        isAdmin = false
-                        authPrefs.edit { putBoolean("is_admin", false) }
-                        onResult(true, "Вход выполнен: Пользователь")
-                    }
-                    selectTab(AppTab.IMAGES)
-                } else {
-                    onResult(false, "Неверный логин или пароль")
-                }
-            } catch (e: Exception) {
-                onResult(false, e.localizedMessage ?: "Ошибка сети")
-            } finally {
-                isAuthLoading = false
-            }
-        }
-    }
-
-    fun logout() {
-        globalCookieJar.clear()
-        authPrefs.edit { clear() }
-        isAuthenticated = false
-        isAdmin = false
-        currentTab = AppTab.IMAGES
-        dismissAudio()
-        currentPage = 0
-    }
-
-    fun selectTab(tab: AppTab) {
-        currentTab = tab
-        currentPage = 0
-        if (tab == AppTab.ADMIN) {
-            loadAdminUsers(0)
-            loadAdminQuotes(0)
-        } else {
-            loadMediaData(0)
-        }
-    }
-
-    fun loadMediaData(page: Int = currentPage) {
-        state = ContentState.Loading
-        currentPage = page
-        viewModelScope.launch {
-            try {
-                when (currentTab) {
-                    AppTab.IMAGES -> {
-                        val limit = 20
-                        val res = api.getImages(limit = limit, offset = page * limit)
-                        totalItemsCount = res.total
-                        state = ContentState.SuccessItems(res.items ?: emptyList())
-                    }
-                    AppTab.AUDIO -> {
-                        val limit = 20
-                        val res = api.getAudio(limit = limit, offset = page * limit)
-                        totalItemsCount = res.total
-                        val list = res.items ?: emptyList()
-                        audioPlaylist = list
-                        state = ContentState.SuccessItems(list)
-                    }
-                    AppTab.VIDEO -> {
-                        val limit = 10
-                        val res = api.getVideo(limit = limit, offset = page * limit)
-                        totalItemsCount = res.total
-                        state = ContentState.SuccessItems(res.items ?: emptyList())
-                    }
-                    AppTab.ADMIN -> {}
-                }
-            } catch (e: Exception) {
-                state = ContentState.Error(e.localizedMessage ?: "Ошибка загрузки")
-            }
-        }
-    }
-
-    fun loadAdminUsers(page: Int) {
-        viewModelScope.launch {
-            try {
-                val res = api.getUsers(limit = 20, offset = page * 20)
-                adminUsers = res.items ?: emptyList()
-                usersTotalCount = res.total
-                usersCurrentPage = page
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun loadAdminQuotes(page: Int) {
-        viewModelScope.launch {
-            try {
-                val res = api.getBotQuotes(limit = 20, offset = page * 20)
-                adminQuotes = res.items ?: emptyList()
-                quotesTotalCount = res.total
-                quotesCurrentPage = page
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun playAudioTrack(index: Int) {
-        if (index in audioPlaylist.indices) {
-            currentAudioIndex = index
-            isAudioPlaying = true
-        }
-    }
-
-    fun dismissAudio() {
-        currentAudioIndex = -1
-        isAudioPlaying = false
-    }
-
-    fun nextAudio() {
-        if (audioPlaylist.isNotEmpty()) {
-            currentAudioIndex = (currentAudioIndex + 1) % audioPlaylist.size
-            isAudioPlaying = true
-        }
-    }
-
-    fun prevAudio() {
-        if (audioPlaylist.isNotEmpty()) {
-            currentAudioIndex = if (currentAudioIndex - 1 < 0) audioPlaylist.size - 1 else currentAudioIndex - 1
-            isAudioPlaying = true
-        }
-    }
-
-    fun deleteItem(id: Int) {
-        viewModelScope.launch {
-            try {
-                when (currentTab) {
-                    AppTab.IMAGES -> api.deleteImage(id)
-                    AppTab.AUDIO -> api.deleteAudio(id)
-                    AppTab.VIDEO -> api.deleteVideo(id)
-                    else -> {}
-                }
-                previewMediaItem = null
-                loadMediaData(currentPage)
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun updateItem(id: Int, name: String, des: String) {
-        viewModelScope.launch {
-            try {
-                when (currentTab) {
-                    AppTab.IMAGES -> api.updateImage(id, name, des)
-                    AppTab.AUDIO -> api.updateAudio(id, name, des)
-                    AppTab.VIDEO -> api.updateVideo(id, name, des)
-                    else -> {}
-                }
-                previewMediaItem = null
-                loadMediaData(currentPage)
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun deleteUser(username: String) {
-        viewModelScope.launch {
-            try {
-                api.deleteUser(username)
-                loadAdminUsers(usersCurrentPage)
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun updateBotPhrase(id: Int, phrase: String) {
-        viewModelScope.launch {
-            try {
-                api.updateBotPhrase(id, phrase)
-                loadAdminQuotes(quotesCurrentPage)
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun deleteBotPhrase(id: Int) {
-        viewModelScope.launch {
-            try {
-                api.deleteBotPhrase(id)
-                loadAdminQuotes(quotesCurrentPage)
-            } catch (_: Exception) {}
-        }
-    }
-
-    fun uploadMedia(bytes: ByteArray, fileName: String, name: String, des: String) {
-        viewModelScope.launch {
-            state = ContentState.Loading
-            try {
-                val reqFile = bytes.toRequestBody("multipart/form-data".toMediaTypeOrNull())
-                val namePart = name.toRequestBody("text/plain".toMediaTypeOrNull())
-                val desPart = des.toRequestBody("text/plain".toMediaTypeOrNull())
-
-                when (currentTab) {
-                    AppTab.IMAGES -> api.uploadImage(MultipartBody.Part.createFormData("image", fileName, reqFile), namePart, desPart)
-                    AppTab.AUDIO -> api.uploadAudio(MultipartBody.Part.createFormData("audio", fileName, reqFile), namePart, desPart)
-                    AppTab.VIDEO -> api.uploadVideo(MultipartBody.Part.createFormData("video", fileName, reqFile), namePart, desPart)
-                    else -> {}
-                }
-                loadMediaData(0)
-            } catch (e: Exception) {
-                state = ContentState.Error("Ошибка загрузки: ${e.localizedMessage}")
-            }
-        }
-    }
-}
-
-class MainViewModelFactory(private val context: Context) : ViewModelProvider.Factory {
-    override fun <T : ViewModel> create(modelClass: Class<T>): T {
-        if (modelClass.isAssignableFrom(MainViewModel::class.java)) {
-            @Suppress("UNCHECKED_CAST")
-            return MainViewModel(context) as T
-        }
-        throw IllegalArgumentException("Unknown ViewModel class")
-    }
-}
-
-// ==========================================
-// 3. UI И ЭКРАНЫ
-// ==========================================
+import com.sergay.hhu67.pw.app.data.network.PersistentCookieJar
+import com.sergay.hhu67.pw.app.data.network.globalCookieJar
+import com.sergay.hhu67.pw.app.ui.screens.AuthScreen
+import com.sergay.hhu67.pw.app.ui.screens.MainAppScreen
+import com.sergay.hhu67.pw.app.ui.viewmodel.MainViewModel
+import com.sergay.hhu67.pw.app.ui.viewmodel.MainViewModelFactory
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -572,721 +40,3 @@ class MainActivity : ComponentActivity() {
         }
     }
 }
-
-@Composable
-fun AuthScreen(vm: MainViewModel) {
-    val ctx = LocalContext.current
-    var username by remember { mutableStateOf("") }
-    var password by remember { mutableStateOf("") }
-
-    Box(modifier = Modifier.fillMaxSize().padding(24.dp), contentAlignment = Alignment.Center) {
-        Card(modifier = Modifier.fillMaxWidth()) {
-            Column(modifier = Modifier.padding(24.dp), horizontalAlignment = Alignment.CenterHorizontally) {
-                Text("Авторизация", style = MaterialTheme.typography.titleLarge)
-                Spacer(Modifier.height(16.dp))
-
-                OutlinedTextField(
-                    value = username,
-                    onValueChange = { username = it },
-                    label = { Text("Имя пользователя") },
-                    singleLine = true,
-                    modifier = Modifier.fillMaxWidth()
-                )
-                Spacer(Modifier.height(8.dp))
-
-                OutlinedTextField(
-                    value = password,
-                    onValueChange = { password = it },
-                    label = { Text("Пароль") },
-                    visualTransformation = PasswordVisualTransformation(),
-                    singleLine = true,
-                    modifier = Modifier.fillMaxWidth()
-                )
-                Spacer(Modifier.height(20.dp))
-
-                if (vm.isAuthLoading) {
-                    CircularProgressIndicator()
-                } else {
-                    Button(
-                        onClick = {
-                            if (username.isBlank() || password.isBlank()) {
-                                Toast.makeText(ctx, "Заполните все поля", Toast.LENGTH_SHORT).show()
-                            } else {
-                                vm.login(username, password) { _, msg ->
-                                    Toast.makeText(ctx, msg, Toast.LENGTH_SHORT).show()
-                                }
-                            }
-                        },
-                        modifier = Modifier.fillMaxWidth()
-                    ) {
-                        Text("Войти / Зарегистрироваться")
-                    }
-                }
-            }
-        }
-    }
-}
-
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun MainAppScreen(vm: MainViewModel) {
-    val ctx = LocalContext.current
-    var showAddDialog by remember { mutableStateOf(false) }
-    var editItem by remember { mutableStateOf<AnswerGet?>(null) }
-
-    val exoPlayer = remember { ExoPlayer.Builder(ctx).build() }
-
-    val imageLoader = remember {
-        ImageLoader.Builder(ctx)
-            .components {
-                add(VideoFrameDecoder.Factory())
-            }
-            .build()
-    }
-
-    LaunchedEffect(vm.currentAudioIndex, vm.isAudioPlaying) {
-        if (vm.currentAudioIndex in vm.audioPlaylist.indices) {
-            val track = vm.audioPlaylist[vm.currentAudioIndex]
-            if (!track.link.isNullOrEmpty()) {
-                val currentMedia = exoPlayer.currentMediaItem?.mediaId
-                if (currentMedia != track.link) {
-                    exoPlayer.setMediaItem(MediaItem.Builder().setUri(track.link).setMediaId(track.link).build())
-                    exoPlayer.prepare()
-                }
-                if (vm.isAudioPlaying) exoPlayer.play() else exoPlayer.pause()
-            }
-        } else {
-            exoPlayer.stop()
-        }
-    }
-
-    DisposableEffect(Unit) {
-        onDispose { exoPlayer.release() }
-    }
-
-    Scaffold(
-        topBar = {
-            TopAppBar(
-                title = { Text(vm.currentTab.title) },
-                actions = {
-                    IconButton(onClick = { vm.logout() }) {
-                        Icon(Icons.AutoMirrored.Filled.Logout, contentDescription = "Выйти")
-                    }
-                    IconButton(onClick = {
-                        if (vm.currentTab == AppTab.ADMIN) {
-                            vm.loadAdminUsers(vm.usersCurrentPage)
-                            vm.loadAdminQuotes(vm.quotesCurrentPage)
-                        } else {
-                            vm.loadMediaData(vm.currentPage)
-                        }
-                    }) {
-                        Icon(Icons.Default.Refresh, contentDescription = "Обновить")
-                    }
-                }
-            )
-        },
-        floatingActionButton = {
-            if (vm.isAdmin && vm.currentTab != AppTab.ADMIN) {
-                FloatingActionButton(onClick = { showAddDialog = true }) {
-                    Icon(Icons.Default.Add, contentDescription = "Добавить")
-                }
-            }
-        },
-        bottomBar = {
-            Column {
-                if (vm.currentAudioIndex in vm.audioPlaylist.indices) {
-                    val currentTrack = vm.audioPlaylist[vm.currentAudioIndex]
-                    val dismissState = rememberSwipeToDismissBoxState(
-                        confirmValueChange = { value ->
-                            if (value != SwipeToDismissBoxValue.Settled) {
-                                vm.dismissAudio()
-                                true
-                            } else false
-                        }
-                    )
-
-                    SwipeToDismissBox(
-                        state = dismissState,
-                        backgroundContent = {
-                            Box(
-                                modifier = Modifier
-                                    .fillMaxSize()
-                                    .background(MaterialTheme.colorScheme.errorContainer)
-                                    .padding(horizontal = 20.dp),
-                                contentAlignment = Alignment.CenterEnd
-                            ) {
-                                Icon(Icons.Default.Close, contentDescription = "Закрыть", tint = MaterialTheme.colorScheme.onErrorContainer)
-                            }
-                        }
-                    ) {
-                        Surface(color = MaterialTheme.colorScheme.surfaceVariant, modifier = Modifier.fillMaxWidth()) {
-                            Row(
-                                modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
-                                verticalAlignment = Alignment.CenterVertically
-                            ) {
-                                Column(modifier = Modifier.weight(1f)) {
-                                    Text(
-                                        text = currentTrack.name ?: "Аудиозапись",
-                                        style = MaterialTheme.typography.bodyMedium,
-                                        maxLines = 1
-                                    )
-                                    Text(
-                                        text = currentTrack.des ?: "Смахните для закрытия",
-                                        style = MaterialTheme.typography.labelSmall,
-                                        color = Color.LightGray,
-                                        maxLines = 1
-                                    )
-                                }
-                                IconButton(onClick = { vm.prevAudio() }, modifier = Modifier.size(36.dp)) {
-                                    Icon(Icons.Default.SkipPrevious, contentDescription = "Назад")
-                                }
-                                IconButton(onClick = { vm.isAudioPlaying = !vm.isAudioPlaying }, modifier = Modifier.size(36.dp)) {
-                                    Icon(if (vm.isAudioPlaying) Icons.Default.Pause else Icons.Default.PlayArrow, null)
-                                }
-                                IconButton(onClick = { vm.nextAudio() }, modifier = Modifier.size(36.dp)) {
-                                    Icon(Icons.Default.SkipNext, contentDescription = "Вперед")
-                                }
-                                IconButton(onClick = { vm.dismissAudio() }, modifier = Modifier.size(36.dp)) {
-                                    Icon(Icons.Default.Close, contentDescription = "Закрыть плеер")
-                                }
-                            }
-                        }
-                    }
-                }
-
-                NavigationBar(
-                    modifier = Modifier.height(64.dp),
-                    tonalElevation = 4.dp
-                ) {
-                    NavigationBarItem(
-                        selected = vm.currentTab == AppTab.IMAGES,
-                        onClick = { vm.selectTab(AppTab.IMAGES) },
-                        icon = { Icon(Icons.Default.Image, null, modifier = Modifier.size(20.dp)) },
-                        label = { Text("Фото", style = MaterialTheme.typography.labelSmall) }
-                    )
-                    NavigationBarItem(
-                        selected = vm.currentTab == AppTab.AUDIO,
-                        onClick = { vm.selectTab(AppTab.AUDIO) },
-                        icon = { Icon(Icons.Default.Audiotrack, null, modifier = Modifier.size(20.dp)) },
-                        label = { Text("Аудио", style = MaterialTheme.typography.labelSmall) }
-                    )
-                    NavigationBarItem(
-                        selected = vm.currentTab == AppTab.VIDEO,
-                        onClick = { vm.selectTab(AppTab.VIDEO) },
-                        icon = { Icon(Icons.Default.Videocam, null, modifier = Modifier.size(20.dp)) },
-                        label = { Text("Видео", style = MaterialTheme.typography.labelSmall) }
-                    )
-                    if (vm.isAdmin) {
-                        NavigationBarItem(
-                            selected = vm.currentTab == AppTab.ADMIN,
-                            onClick = { vm.selectTab(AppTab.ADMIN) },
-                            icon = { Icon(Icons.Default.AdminPanelSettings, null, modifier = Modifier.size(20.dp)) },
-                            label = { Text("Админка", style = MaterialTheme.typography.labelSmall) }
-                        )
-                    }
-                }
-            }
-        }
-    ) { padding ->
-        Box(modifier = Modifier.fillMaxSize().padding(padding)) {
-            if (vm.currentTab == AppTab.ADMIN) {
-                AdminDashboard(vm = vm)
-            } else {
-                val pageSize = if (vm.currentTab == AppTab.VIDEO) 10 else 20
-                val totalPages = maxOf(1, ceil(vm.totalItemsCount.toDouble() / pageSize).toInt())
-
-                when (val s = vm.state) {
-                    is ContentState.Loading -> CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
-                    is ContentState.Error -> Column(
-                        modifier = Modifier.align(Alignment.Center),
-                        horizontalAlignment = Alignment.CenterHorizontally
-                    ) {
-                        Text(s.message, color = MaterialTheme.colorScheme.error)
-                        Spacer(Modifier.height(8.dp))
-                        Button(onClick = { vm.loadMediaData(vm.currentPage) }) { Text("Повторить") }
-                    }
-                    is ContentState.SuccessItems -> {
-                        Column(modifier = Modifier.fillMaxSize()) {
-                            Box(modifier = Modifier.weight(1f)) {
-                                when (vm.currentTab) {
-                                    AppTab.IMAGES -> {
-                                        LazyVerticalGrid(
-                                            columns = GridCells.Fixed(2),
-                                            contentPadding = PaddingValues(8.dp),
-                                            horizontalArrangement = Arrangement.spacedBy(8.dp),
-                                            verticalArrangement = Arrangement.spacedBy(8.dp)
-                                        ) {
-                                            items(s.items, key = { it.id }) { item ->
-                                                GridMediaItem(
-                                                    item = item,
-                                                    isVideo = false,
-                                                    imageLoader = imageLoader,
-                                                    onClick = {
-                                                        vm.previewMediaItem = item
-                                                        vm.isPreviewVideo = false
-                                                    }
-                                                )
-                                            }
-                                        }
-                                    }
-                                    AppTab.VIDEO -> {
-                                        LazyVerticalGrid(
-                                            columns = GridCells.Fixed(2),
-                                            contentPadding = PaddingValues(8.dp),
-                                            horizontalArrangement = Arrangement.spacedBy(8.dp),
-                                            verticalArrangement = Arrangement.spacedBy(8.dp)
-                                        ) {
-                                            items(s.items, key = { it.id }) { item ->
-                                                GridMediaItem(
-                                                    item = item,
-                                                    isVideo = true,
-                                                    imageLoader = imageLoader,
-                                                    onClick = {
-                                                        vm.previewMediaItem = item
-                                                        vm.isPreviewVideo = true
-                                                    }
-                                                )
-                                            }
-                                        }
-                                    }
-                                    AppTab.AUDIO -> {
-                                        LazyColumn(
-                                            contentPadding = PaddingValues(16.dp),
-                                            verticalArrangement = Arrangement.spacedBy(12.dp)
-                                        ) {
-                                            items(s.items.size) { index ->
-                                                val item = s.items[index]
-                                                AudioListItem(
-                                                    item = item,
-                                                    isAdmin = vm.isAdmin,
-                                                    onPlayAudio = { vm.playAudioTrack(index) },
-                                                    onEdit = { editItem = item },
-                                                    onDelete = { vm.deleteItem(item.id) }
-                                                )
-                                            }
-                                        }
-                                    }
-                                    AppTab.ADMIN -> {}
-                                }
-                            }
-
-                            PaginationControls(
-                                currentPage = vm.currentPage,
-                                totalPages = totalPages,
-                                onPageSelected = { vm.loadMediaData(it) }
-                            )
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    vm.previewMediaItem?.let { item ->
-        Dialog(
-            onDismissRequest = { vm.previewMediaItem = null },
-            properties = DialogProperties(usePlatformDefaultWidth = false)
-        ) {
-            Card(
-                modifier = Modifier
-                    .fillMaxWidth(0.95f)
-                    .wrapContentHeight()
-                    .padding(8.dp)
-            ) {
-                Column(modifier = Modifier.padding(16.dp)) {
-                    if (vm.isPreviewVideo && !item.link.isNullOrEmpty()) {
-                        VideoPlayerView(url = item.link)
-                    } else if (!item.link.isNullOrEmpty()) {
-                        AsyncImage(
-                            model = item.link,
-                            contentDescription = null,
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .height(320.dp),
-                            contentScale = ContentScale.Fit
-                        )
-                    }
-
-                    Spacer(Modifier.height(12.dp))
-                    Text(text = item.name ?: "Без названия", style = MaterialTheme.typography.titleLarge)
-                    if (!item.des.isNullOrBlank()) {
-                        Spacer(Modifier.height(4.dp))
-                        Text(text = item.des, style = MaterialTheme.typography.bodyMedium, color = Color.LightGray)
-                    }
-
-                    Spacer(Modifier.height(16.dp))
-
-                    Row(modifier = Modifier.fillMaxWidth(), verticalAlignment = Alignment.CenterVertically) {
-                        if (vm.isAdmin) {
-                            IconButton(onClick = {
-                                editItem = item
-                                vm.previewMediaItem = null
-                            }) {
-                                Icon(Icons.Default.Edit, contentDescription = "Редактировать")
-                            }
-                            IconButton(onClick = { vm.deleteItem(item.id) }) {
-                                Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
-                            }
-                        }
-                        Spacer(Modifier.weight(1f))
-                        Button(onClick = { vm.previewMediaItem = null }) {
-                            Text("Закрыть")
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    if (showAddDialog) {
-        UploadDialog(
-            tab = vm.currentTab,
-            onDismiss = { showAddDialog = false },
-            onUpload = { bytes, fileName, name, des ->
-                vm.uploadMedia(bytes, fileName, name, des)
-                showAddDialog = false
-            }
-        )
-    }
-
-    editItem?.let { item ->
-        EditDialog(
-            item = item,
-            onDismiss = { editItem = null },
-            onSave = { id, name, des ->
-                vm.updateItem(id, name, des)
-                editItem = null
-            }
-        )
-    }
-}
-
-// ==========================================
-// 4. КОМПОНЕНТЫ
-// ==========================================
-
-@Composable
-fun GridMediaItem(
-    item: AnswerGet,
-    isVideo: Boolean,
-    imageLoader: ImageLoader,
-    onClick: () -> Unit
-) {
-    Card(
-        modifier = Modifier
-            .fillMaxWidth()
-            .clickable { onClick() }
-    ) {
-        Column {
-            Box(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(150.dp)
-            ) {
-                AsyncImage(
-                    model = item.link,
-                    imageLoader = imageLoader,
-                    contentDescription = item.name,
-                    modifier = Modifier.fillMaxSize(),
-                    contentScale = ContentScale.Crop
-                )
-                if (isVideo) {
-                    Surface(
-                        modifier = Modifier.align(Alignment.Center),
-                        color = Color.Black.copy(alpha = 0.6f),
-                        shape = MaterialTheme.shapes.extraLarge
-                    ) {
-                        Icon(
-                            Icons.Default.PlayArrow,
-                            contentDescription = "Play",
-                            tint = Color.White,
-                            modifier = Modifier.size(36.dp).padding(6.dp)
-                        )
-                    }
-                }
-            }
-            Column(modifier = Modifier.padding(8.dp)) {
-                Text(
-                    text = item.name ?: "Без названия",
-                    style = MaterialTheme.typography.bodyMedium,
-                    maxLines = 1
-                )
-                if (!item.des.isNullOrBlank()) {
-                    Text(
-                        text = item.des,
-                        style = MaterialTheme.typography.labelSmall,
-                        color = Color.LightGray,
-                        maxLines = 2
-                    )
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun AudioListItem(
-    item: AnswerGet,
-    isAdmin: Boolean,
-    onPlayAudio: () -> Unit,
-    onEdit: () -> Unit,
-    onDelete: () -> Unit
-) {
-    Card(modifier = Modifier.fillMaxWidth()) {
-        Row(
-            modifier = Modifier.padding(16.dp),
-            verticalAlignment = Alignment.CenterVertically
-        ) {
-            // Кнопка-треугольник (IconButton с акцентным цветом)
-            FilledIconButton(
-                onClick = onPlayAudio,
-                modifier = Modifier.size(42.dp),
-                colors = IconButtonDefaults.filledIconButtonColors(
-                    containerColor = MaterialTheme.colorScheme.primary,
-                    contentColor = MaterialTheme.colorScheme.onPrimary
-                )
-            ) {
-                Icon(
-                    Icons.Default.PlayArrow,
-                    contentDescription = "Воспроизвести",
-                    modifier = Modifier.size(24.dp)
-                )
-            }
-
-            Spacer(Modifier.width(12.dp))
-
-            Column(modifier = Modifier.weight(1f)) {
-                Text(text = item.name ?: "Без названия", style = MaterialTheme.typography.titleMedium)
-                if (!item.des.isNullOrBlank()) {
-                    Spacer(Modifier.height(4.dp))
-                    Text(text = item.des, style = MaterialTheme.typography.bodyMedium, color = Color.LightGray)
-                }
-            }
-
-            if (isAdmin) {
-                Spacer(Modifier.width(4.dp))
-                IconButton(onClick = onEdit) {
-                    Icon(Icons.Default.Edit, contentDescription = "Редактировать")
-                }
-                IconButton(onClick = onDelete) {
-                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun VideoPlayerView(url: String) {
-    val context = LocalContext.current
-    val player = remember(url) {
-        ExoPlayer.Builder(context).build().apply {
-            setMediaItem(MediaItem.fromUri(Uri.parse(url)))
-            prepare()
-            playWhenReady = true
-        }
-    }
-
-    DisposableEffect(Unit) {
-        onDispose { player.release() }
-    }
-
-    AndroidView(
-        factory = {
-            PlayerView(it).apply {
-                this.player = player
-                useController = true
-            }
-        },
-        modifier = Modifier
-            .fillMaxWidth()
-            .height(420.dp)
-    )
-}
-
-// ==========================================
-// 5. АДМИН-ПАНЕЛЬ
-// ==========================================
-
-@Composable
-fun AdminDashboard(vm: MainViewModel) {
-    var adminTab by remember { mutableIntStateOf(0) }
-    var editQuoteItem by remember { mutableStateOf<AnswerBot?>(null) }
-
-    Column(modifier = Modifier.fillMaxSize()) {
-        SecondaryTabRow(selectedTabIndex = adminTab) {
-            Tab(selected = adminTab == 0, onClick = { adminTab = 0 }, text = { Text("Юзеры (${vm.usersTotalCount})") })
-            Tab(selected = adminTab == 1, onClick = { adminTab = 1 }, text = { Text("Фразы бота (${vm.quotesTotalCount})") })
-        }
-
-        if (adminTab == 0) {
-            val totalPages = maxOf(1, ceil(vm.usersTotalCount / 20.0).toInt())
-            Column(modifier = Modifier.fillMaxSize()) {
-                LazyColumn(
-                    modifier = Modifier.weight(1f),
-                    contentPadding = PaddingValues(16.dp),
-                    verticalArrangement = Arrangement.spacedBy(8.dp)
-                ) {
-                    items(vm.adminUsers, key = { it.id }) { u ->
-                        Card(modifier = Modifier.fillMaxWidth()) {
-                            Row(modifier = Modifier.padding(16.dp), verticalAlignment = Alignment.CenterVertically) {
-                                Column(modifier = Modifier.weight(1f)) {
-                                    Text("${u.username} ${if (u.isAdmin) "(Админ)" else ""}", style = MaterialTheme.typography.titleMedium)
-                                    Text("IP: ${u.ip ?: "-"} | ${u.country ?: ""} ${u.city ?: ""}", style = MaterialTheme.typography.labelSmall, color = Color.Gray)
-                                }
-                                IconButton(onClick = { vm.deleteUser(u.username) }) {
-                                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
-                                }
-                            }
-                        }
-                    }
-                }
-                PaginationControls(
-                    currentPage = vm.usersCurrentPage,
-                    totalPages = totalPages,
-                    onPageSelected = { vm.loadAdminUsers(it) }
-                )
-            }
-        } else {
-            val totalPages = maxOf(1, ceil(vm.quotesTotalCount / 20.0).toInt())
-            Column(modifier = Modifier.fillMaxSize()) {
-                LazyColumn(
-                    modifier = Modifier.weight(1f),
-                    contentPadding = PaddingValues(16.dp),
-                    verticalArrangement = Arrangement.spacedBy(8.dp)
-                ) {
-                    items(vm.adminQuotes, key = { it.id }) { q ->
-                        Card(modifier = Modifier.fillMaxWidth()) {
-                            Row(modifier = Modifier.padding(16.dp), verticalAlignment = Alignment.CenterVertically) {
-                                Text(text = q.phrase, modifier = Modifier.weight(1f))
-                                IconButton(onClick = { editQuoteItem = q }) {
-                                    Icon(Icons.Default.Edit, contentDescription = "Редактировать")
-                                }
-                                IconButton(onClick = { vm.deleteBotPhrase(q.id) }) {
-                                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
-                                }
-                            }
-                        }
-                    }
-                }
-                PaginationControls(
-                    currentPage = vm.quotesCurrentPage,
-                    totalPages = totalPages,
-                    onPageSelected = { vm.loadAdminQuotes(it) }
-                )
-            }
-        }
-    }
-
-    editQuoteItem?.let { q ->
-        var newPhrase by remember { mutableStateOf(q.phrase) }
-        AlertDialog(
-            onDismissRequest = { editQuoteItem = null },
-            title = { Text("Редактировать фразу") },
-            text = {
-                OutlinedTextField(
-                    value = newPhrase,
-                    onValueChange = { newPhrase = it },
-                    label = { Text("Фраза") },
-                    modifier = Modifier.fillMaxWidth()
-                )
-            },
-            confirmButton = {
-                Button(onClick = {
-                    vm.updateBotPhrase(q.id, newPhrase)
-                    editQuoteItem = null
-                }) { Text("Сохранить") }
-            },
-            dismissButton = { TextButton(onClick = { editQuoteItem = null }) { Text("Отмена") } }
-        )
-    }
-}
-
-@Composable
-fun PaginationControls(currentPage: Int, totalPages: Int, onPageSelected: (Int) -> Unit) {
-    Surface(color = MaterialTheme.colorScheme.surface, modifier = Modifier.fillMaxWidth()) {
-        Row(
-            modifier = Modifier.padding(8.dp).fillMaxWidth(),
-            horizontalArrangement = Arrangement.Center,
-            verticalAlignment = Alignment.CenterVertically
-        ) {
-            IconButton(onClick = { onPageSelected(currentPage - 1) }, enabled = currentPage > 0) {
-                Icon(Icons.Default.ChevronLeft, contentDescription = "Назад")
-            }
-            Text("Стр. ${currentPage + 1} из $totalPages", modifier = Modifier.padding(horizontal = 16.dp))
-            IconButton(onClick = { onPageSelected(currentPage + 1) }, enabled = currentPage < totalPages - 1) {
-                Icon(Icons.Default.ChevronRight, contentDescription = "Вперед")
-            }
-        }
-    }
-}
-
-// ==========================================
-// 6. ДИАЛОГИ
-// ==========================================
-
-@Composable
-fun EditDialog(item: AnswerGet, onDismiss: () -> Unit, onSave: (Int, String, String) -> Unit) {
-    var name by remember { mutableStateOf(item.name ?: "") }
-    var des by remember { mutableStateOf(item.des ?: "") }
-    AlertDialog(
-        onDismissRequest = onDismiss,
-        title = { Text("Редактировать") },
-        text = {
-            Column {
-                OutlinedTextField(value = name, onValueChange = { name = it }, label = { Text("Название") })
-                Spacer(Modifier.height(8.dp))
-                OutlinedTextField(value = des, onValueChange = { des = it }, label = { Text("Описание") })
-            }
-        },
-        confirmButton = { Button(onClick = { onSave(item.id, name, des) }) { Text("Сохранить") } },
-        dismissButton = { TextButton(onClick = onDismiss) { Text("Отмена") } }
-    )
-}
-
-@Composable
-fun UploadDialog(tab: AppTab, onDismiss: () -> Unit, onUpload: (ByteArray, String, String, String) -> Unit) {
-    val context = LocalContext.current
-    var name by remember { mutableStateOf("") }
-    var des by remember { mutableStateOf("") }
-    var fileBytes by remember { mutableStateOf<ByteArray?>(null) }
-    var fileName by remember { mutableStateOf("") }
-
-    val mime = when (tab) {
-        AppTab.IMAGES -> "image/*"
-        AppTab.AUDIO -> "audio/*"
-        AppTab.VIDEO -> "video/*"
-        else -> "*/*"
-    }
-
-    val launcher = rememberLauncherForActivityResult(ActivityResultContracts.GetContent()) { uri: Uri? ->
-        uri?.let {
-            val stream: InputStream? = context.contentResolver.openInputStream(it)
-            fileBytes = stream?.readBytes()
-            fileName = "file_${System.currentTimeMillis()}"
-        }
-    }
-
-    AlertDialog(
-        onDismissRequest = onDismiss,
-        title = { Text("Загрузка: ${tab.title}") },
-        text = {
-            Column {
-                OutlinedTextField(value = name, onValueChange = { name = it }, label = { Text("Название") })
-                Spacer(Modifier.height(8.dp))
-                OutlinedTextField(value = des, onValueChange = { des = it }, label = { Text("Описание") })
-                Spacer(Modifier.height(8.dp))
-                Button(onClick = { launcher.launch(mime) }) {
-                    Text(if (fileBytes != null) "Файл выбран" else "Выбрать файл")
-                }
-            }
-        },
-        confirmButton = {
-            Button(
-                enabled = fileBytes != null,
-                onClick = { fileBytes?.let { onUpload(it, fileName, name, des) } }
-            ) { Text("Загрузить") }
-        },
-        dismissButton = { TextButton(onClick = onDismiss) { Text("Отмена") } }
-    )
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/data/models/AnswerModels.kt b/app/src/main/java/com/sergay/hhu67/pw/app/data/models/AnswerModels.kt
new file mode 100644
index 0000000..19ca87f
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/data/models/AnswerModels.kt
@@ -0,0 +1,45 @@
+package com.sergay.hhu67.pw.app.data.models
+
+import com.google.gson.annotations.SerializedName
+
+data class IpInfo(
+    @SerializedName("ip") val ip: String?,
+    @SerializedName("country") val country: String?,
+    @SerializedName("city") val city: String?
+)
+
+data class AnswerGet(
+    @SerializedName("id") val id: Int,
+    @SerializedName("link") val link: String?,
+    @SerializedName("name") val name: String?,
+    @SerializedName("des") val des: String?
+)
+
+data class AnswerList(
+    @SerializedName("total") val total: Int,
+    @SerializedName("items") val items: List<AnswerGet>?
+)
+
+data class AnswerAdmin(
+    @SerializedName("id") val id: Int,
+    @SerializedName("username") val username: String,
+    @SerializedName("ip") val ip: String?,
+    @SerializedName("country") val country: String?,
+    @SerializedName("city") val city: String?,
+    @SerializedName("is_admin") val isAdmin: Boolean
+)
+
+data class AnswerAdminList(
+    @SerializedName("total") val total: Int,
+    @SerializedName("items") val items: List<AnswerAdmin>?
+)
+
+data class AnswerBot(
+    @SerializedName("id") val id: Int,
+    @SerializedName("phrase") val phrase: String
+)
+
+data class AnswerBotList(
+    @SerializedName("total") val total: Int,
+    @SerializedName("items") val items: List<AnswerBot>?
+)
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/data/network/ApiService.kt b/app/src/main/java/com/sergay/hhu67/pw/app/data/network/ApiService.kt
new file mode 100644
index 0000000..839e969
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/data/network/ApiService.kt
@@ -0,0 +1,120 @@
+package com.sergay.hhu67.pw.app.data.network
+
+import com.sergay.hhu67.pw.app.data.models.*
+import okhttp3.MultipartBody
+import okhttp3.OkHttpClient
+import okhttp3.RequestBody
+import okhttp3.ResponseBody
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.*
+import java.util.concurrent.TimeUnit
+
+lateinit var globalCookieJar: PersistentCookieJar
+
+interface IpService {
+    @GET("/")
+    suspend fun getIpInfo(): IpInfo
+}
+
+interface ApiService {
+    @FormUrlEncoded
+    @POST("api/login")
+    suspend fun login(
+        @Field("username") user: String,
+        @Field("password") pass: String,
+        @Field("browser") browser: String = "Android Kotlin Client",
+        @Field("ip") ip: String,
+        @Field("country") country: String,
+        @Field("city") city: String
+    ): Response<ResponseBody>
+
+    @GET("api/get/list")
+    suspend fun getImages(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
+
+    @GET("api/get/audio/list")
+    suspend fun getAudio(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
+
+    @GET("api/get/video/list")
+    suspend fun getVideo(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerList
+
+    @GET("api/get/bot/list/")
+    suspend fun getBotQuotes(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerBotList
+
+    @GET("api/get/admin/list/")
+    suspend fun getUsers(@Query("limit") limit: Int, @Query("offset") offset: Int): AnswerAdminList
+
+    @FormUrlEncoded
+    @POST("api/post/update/")
+    suspend fun updateImage(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/update/audio/")
+    suspend fun updateAudio(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/update/video/")
+    suspend fun updateVideo(@Field("id") id: Int, @Field("name") name: String, @Field("des") des: String): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/delete/")
+    suspend fun deleteImage(@Field("id") id: Int): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/delete/audio/")
+    suspend fun deleteAudio(@Field("id") id: Int): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/delete/video/")
+    suspend fun deleteVideo(@Field("id") id: Int): Response<ResponseBody>
+
+    @Multipart
+    @POST("api/post/user/")
+    suspend fun uploadImage(@Part image: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
+
+    @Multipart
+    @POST("api/post/audio/user/")
+    suspend fun uploadAudio(@Part audio: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
+
+    @Multipart
+    @POST("api/post/video/user/")
+    suspend fun uploadVideo(@Part video: MultipartBody.Part, @Part("name") name: RequestBody, @Part("des") des: RequestBody): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/delete/admin/user/")
+    suspend fun deleteUser(@Field("username") username: String): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/update/bot/")
+    suspend fun updateBotPhrase(@Field("id") id: Int, @Field("phrase") phrase: String): Response<ResponseBody>
+
+    @FormUrlEncoded
+    @POST("api/post/delete/bot/")
+    suspend fun deleteBotPhrase(@Field("id") id: Int): Response<ResponseBody>
+
+    companion object {
+        fun create(): ApiService {
+            val okHttp = OkHttpClient.Builder()
+                .cookieJar(globalCookieJar)
+                .connectTimeout(60, TimeUnit.SECONDS)
+                .readTimeout(60, TimeUnit.SECONDS)
+                .build()
+
+            return Retrofit.Builder()
+                .baseUrl("https://sergay.hhu67.pw/")
+                .client(okHttp)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(ApiService::class.java)
+        }
+
+        fun createIpService(): IpService {
+            return Retrofit.Builder()
+                .baseUrl("https://ip.hhu67.pw/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(IpService::class.java)
+        }
+    }
+}
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/data/network/PersistentCookieJar.kt b/app/src/main/java/com/sergay/hhu67/pw/app/data/network/PersistentCookieJar.kt
new file mode 100644
index 0000000..6bd8002
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/data/network/PersistentCookieJar.kt
@@ -0,0 +1,38 @@
+package com.sergay.hhu67.pw.app.data.network
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.core.content.edit
+import okhttp3.Cookie
+import okhttp3.CookieJar
+import okhttp3.HttpUrl
+import okhttp3.HttpUrl.Companion.toHttpUrl
+
+class PersistentCookieJar(context: Context) : CookieJar {
+    private val prefs: SharedPreferences = context.getSharedPreferences("app_cookies", Context.MODE_PRIVATE)
+    private val cookieStore = mutableListOf<Cookie>()
+
+    init {
+        val savedToken = prefs.getString("token_cookie", null)
+        if (!savedToken.isNullOrEmpty()) {
+            Cookie.parse("https://sergay.hhu67.pw/".toHttpUrl(), savedToken)?.let {
+                cookieStore.add(it)
+            }
+        }
+    }
+
+    override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
+        cookies.firstOrNull { it.name == "token" }?.let {
+            prefs.edit { putString("token_cookie", it.toString()) }
+        }
+        cookieStore.removeAll { existing -> cookies.any { it.name == existing.name } }
+        cookieStore.addAll(cookies)
+    }
+
+    override fun loadForRequest(url: HttpUrl): List<Cookie> = cookieStore
+
+    fun clear() {
+        cookieStore.clear()
+        prefs.edit { clear() }
+    }
+}
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/ui/components/AppComponents.kt b/app/src/main/java/com/sergay/hhu67/pw/app/ui/components/AppComponents.kt
new file mode 100644
index 0000000..106ba87
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/ui/components/AppComponents.kt
@@ -0,0 +1,368 @@
+package com.sergay.hhu67.pw.app.ui.components
+
+import android.net.Uri
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.media3.common.MediaItem
+import androidx.media3.exoplayer.ExoPlayer
+import androidx.media3.ui.PlayerView
+import coil.ImageLoader
+import coil.compose.AsyncImage
+import com.sergay.hhu67.pw.app.data.models.AnswerAdmin
+import com.sergay.hhu67.pw.app.data.models.AnswerBot
+import com.sergay.hhu67.pw.app.data.models.AnswerGet
+import com.sergay.hhu67.pw.app.ui.viewmodel.AppTab
+import com.sergay.hhu67.pw.app.ui.viewmodel.MainViewModel
+import java.io.InputStream
+import kotlin.math.ceil
+
+@Composable
+fun GridMediaItem(
+    item: AnswerGet,
+    isVideo: Boolean,
+    imageLoader: ImageLoader,
+    onClick: () -> Unit
+) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable { onClick() }
+    ) {
+        Column {
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(150.dp)
+            ) {
+                AsyncImage(
+                    model = item.link,
+                    imageLoader = imageLoader,
+                    contentDescription = item.name,
+                    modifier = Modifier.fillMaxSize(),
+                    contentScale = ContentScale.Crop
+                )
+                if (isVideo) {
+                    Surface(
+                        modifier = Modifier.align(Alignment.Center),
+                        color = Color.Black.copy(alpha = 0.6f),
+                        shape = MaterialTheme.shapes.extraLarge
+                    ) {
+                        Icon(
+                            Icons.Default.PlayArrow,
+                            contentDescription = "Play",
+                            tint = Color.White,
+                            modifier = Modifier.size(36.dp).padding(6.dp)
+                        )
+                    }
+                }
+            }
+            Column(modifier = Modifier.padding(8.dp)) {
+                Text(
+                    text = item.name ?: "Без названия",
+                    style = MaterialTheme.typography.bodyMedium,
+                    maxLines = 1
+                )
+                if (!item.des.isNullOrBlank()) {
+                    Text(
+                        text = item.des,
+                        style = MaterialTheme.typography.labelSmall,
+                        color = Color.LightGray,
+                        maxLines = 2
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun AudioListItem(
+    item: AnswerGet,
+    isAdmin: Boolean,
+    onPlayAudio: () -> Unit,
+    onEdit: () -> Unit,
+    onDelete: () -> Unit
+) {
+    Card(modifier = Modifier.fillMaxWidth()) {
+        Row(
+            modifier = Modifier.padding(16.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            FilledIconButton(
+                onClick = onPlayAudio,
+                modifier = Modifier.size(42.dp),
+                colors = IconButtonDefaults.filledIconButtonColors(
+                    containerColor = MaterialTheme.colorScheme.primary,
+                    contentColor = MaterialTheme.colorScheme.onPrimary
+                )
+            ) {
+                Icon(
+                    Icons.Default.PlayArrow,
+                    contentDescription = "Воспроизвести",
+                    modifier = Modifier.size(24.dp)
+                )
+            }
+
+            Spacer(Modifier.width(12.dp))
+
+            Column(modifier = Modifier.weight(1f)) {
+                Text(text = item.name ?: "Без названия", style = MaterialTheme.typography.titleMedium)
+                if (!item.des.isNullOrBlank()) {
+                    Spacer(Modifier.height(4.dp))
+                    Text(text = item.des, style = MaterialTheme.typography.bodyMedium, color = Color.LightGray)
+                }
+            }
+
+            if (isAdmin) {
+                Spacer(Modifier.width(4.dp))
+                IconButton(onClick = onEdit) {
+                    Icon(Icons.Default.Edit, contentDescription = "Редактировать")
+                }
+                IconButton(onClick = onDelete) {
+                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun VideoPlayerView(url: String) {
+    val context = LocalContext.current
+    val player = remember(url) {
+        ExoPlayer.Builder(context).build().apply {
+            setMediaItem(MediaItem.fromUri(Uri.parse(url)))
+            prepare()
+            playWhenReady = true
+        }
+    }
+
+    DisposableEffect(Unit) {
+        onDispose { player.release() }
+    }
+
+    AndroidView(
+        factory = {
+            PlayerView(it).apply {
+                this.player = player
+                useController = true
+            }
+        },
+        modifier = Modifier
+            .fillMaxWidth()
+            .height(550.dp)
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AdminDashboard(vm: MainViewModel) {
+    var adminTab by remember { mutableIntStateOf(0) }
+    var editQuoteItem by remember { mutableStateOf<AnswerBot?>(null) }
+
+    Column(modifier = Modifier.fillMaxSize()) {
+        SecondaryTabRow(selectedTabIndex = adminTab) {
+            Tab(selected = adminTab == 0, onClick = { adminTab = 0 }, text = { Text("Юзеры (${vm.usersTotalCount})") })
+            Tab(selected = adminTab == 1, onClick = { adminTab = 1 }, text = { Text("Фразы бота (${vm.quotesTotalCount})") })
+        }
+
+        if (adminTab == 0) {
+            val totalPages = maxOf(1, ceil(vm.usersTotalCount / 20.0).toInt())
+            Column(modifier = Modifier.fillMaxSize()) {
+                LazyColumn(
+                    modifier = Modifier.weight(1f),
+                    contentPadding = PaddingValues(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    items(vm.adminUsers, key = { it.id }) { u ->
+                        Card(modifier = Modifier.fillMaxWidth()) {
+                            Row(modifier = Modifier.padding(16.dp), verticalAlignment = Alignment.CenterVertically) {
+                                Column(modifier = Modifier.weight(1f)) {
+                                    Text("${u.username} ${if (u.isAdmin) "(Админ)" else ""}", style = MaterialTheme.typography.titleMedium)
+                                    Text("IP: ${u.ip ?: "-"} | ${u.country ?: ""} ${u.city ?: ""}", style = MaterialTheme.typography.labelSmall, color = Color.Gray)
+                                }
+                                IconButton(onClick = { vm.deleteUser(u.username) }) {
+                                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
+                                }
+                            }
+                        }
+                    }
+                    item {
+                        PaginationControls(
+                            currentPage = vm.usersCurrentPage,
+                            totalPages = totalPages,
+                            onPageSelected = { vm.loadAdminUsers(it) }
+                        )
+                    }
+                }
+            }
+        } else {
+            val totalPages = maxOf(1, ceil(vm.quotesTotalCount / 20.0).toInt())
+            Column(modifier = Modifier.fillMaxSize()) {
+                LazyColumn(
+                    modifier = Modifier.weight(1f),
+                    contentPadding = PaddingValues(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    items(vm.adminQuotes, key = { it.id }) { q ->
+                        Card(modifier = Modifier.fillMaxWidth()) {
+                            Row(modifier = Modifier.padding(16.dp), verticalAlignment = Alignment.CenterVertically) {
+                                Text(text = q.phrase, modifier = Modifier.weight(1f))
+                                IconButton(onClick = { editQuoteItem = q }) {
+                                    Icon(Icons.Default.Edit, contentDescription = "Редактировать")
+                                }
+                                IconButton(onClick = { vm.deleteBotPhrase(q.id) }) {
+                                    Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
+                                }
+                            }
+                        }
+                    }
+                    item {
+                        PaginationControls(
+                            currentPage = vm.quotesCurrentPage,
+                            totalPages = totalPages,
+                            onPageSelected = { vm.loadAdminQuotes(it) }
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    editQuoteItem?.let { q ->
+        var newPhrase by remember { mutableStateOf(q.phrase) }
+        AlertDialog(
+            onDismissRequest = { editQuoteItem = null },
+            title = { Text("Редактировать фразу") },
+            text = {
+                OutlinedTextField(
+                    value = newPhrase,
+                    onValueChange = { newPhrase = it },
+                    label = { Text("Фраза") },
+                    modifier = Modifier.fillMaxWidth()
+                )
+            },
+            confirmButton = {
+                Button(onClick = {
+                    vm.updateBotPhrase(q.id, newPhrase)
+                    editQuoteItem = null
+                }) { Text("Сохранить") }
+            },
+            dismissButton = { TextButton(onClick = { editQuoteItem = null }) { Text("Отмена") } }
+        )
+    }
+}
+
+@Composable
+fun PaginationControls(currentPage: Int, totalPages: Int, onPageSelected: (Int) -> Unit) {
+    if (totalPages <= 1) return
+
+    Surface(
+        color = MaterialTheme.colorScheme.surface,
+        modifier = Modifier.fillMaxWidth(),
+        tonalElevation = 2.dp
+    ) {
+        LazyRow(
+            modifier = Modifier
+                .padding(vertical = 8.dp, horizontal = 16.dp)
+                .fillMaxWidth(),
+            horizontalArrangement = Arrangement.spacedBy(8.dp, Alignment.CenterHorizontally),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            items(totalPages) { page ->
+                val isSelected = page == currentPage
+                FilterChip(
+                    selected = isSelected,
+                    onClick = { onPageSelected(page) },
+                    label = { Text("${page + 1}") },
+                    colors = FilterChipDefaults.filterChipColors(
+                        selectedContainerColor = MaterialTheme.colorScheme.primary,
+                        selectedLabelColor = MaterialTheme.colorScheme.onPrimary
+                    )
+                )
+            }
+        }
+    }
+}
+
+@Composable
+fun EditDialog(item: AnswerGet, onDismiss: () -> Unit, onSave: (Int, String, String) -> Unit) {
+    var name by remember { mutableStateOf(item.name ?: "") }
+    var des by remember { mutableStateOf(item.des ?: "") }
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Редактировать") },
+        text = {
+            Column {
+                OutlinedTextField(value = name, onValueChange = { name = it }, label = { Text("Название") })
+                Spacer(Modifier.height(8.dp))
+                OutlinedTextField(value = des, onValueChange = { des = it }, label = { Text("Описание") })
+            }
+        },
+        confirmButton = { Button(onClick = { onSave(item.id, name, des) }) { Text("Сохранить") } },
+        dismissButton = { TextButton(onClick = onDismiss) { Text("Отмена") } }
+    )
+}
+
+@Composable
+fun UploadDialog(tab: AppTab, onDismiss: () -> Unit, onUpload: (ByteArray, String, String, String) -> Unit) {
+    val context = LocalContext.current
+    var name by remember { mutableStateOf("") }
+    var des by remember { mutableStateOf("") }
+    var fileBytes by remember { mutableStateOf<ByteArray?>(null) }
+    var fileName by remember { mutableStateOf("") }
+
+    val mime = when (tab) {
+        AppTab.IMAGES -> "image/*"
+        AppTab.AUDIO -> "audio/*"
+        AppTab.VIDEO -> "video/*"
+        else -> "*/*"
+    }
+
+    val launcher = rememberLauncherForActivityResult(ActivityResultContracts.GetContent()) { uri: Uri? ->
+        uri?.let {
+            val stream: InputStream? = context.contentResolver.openInputStream(it)
+            fileBytes = stream?.readBytes()
+            fileName = "file_${System.currentTimeMillis()}"
+        }
+    }
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Загрузка: ${tab.title}") },
+        text = {
+            Column {
+                OutlinedTextField(value = name, onValueChange = { name = it }, label = { Text("Название") })
+                Spacer(Modifier.height(8.dp))
+                OutlinedTextField(value = des, onValueChange = { des = it }, label = { Text("Описание") })
+                Spacer(Modifier.height(8.dp))
+                Button(onClick = { launcher.launch(mime) }) {
+                    Text(if (fileBytes != null) "Файл выбран" else "Выбрать файл")
+                }
+            }
+        },
+        confirmButton = {
+            Button(
+                enabled = fileBytes != null,
+                onClick = { fileBytes?.let { onUpload(it, fileName, name, des) } }
+            ) { Text("Загрузить") }
+        },
+        dismissButton = { TextButton(onClick = onDismiss) { Text("Отмена") } }
+    )
+}
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/AuthScreen.kt b/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/AuthScreen.kt
new file mode 100644
index 0000000..e83988e
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/AuthScreen.kt
@@ -0,0 +1,66 @@
+package com.sergay.hhu67.pw.app.ui.screens
+
+import android.widget.Toast
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.unit.dp
+import com.sergay.hhu67.pw.app.ui.viewmodel.MainViewModel
+
+@Composable
+fun AuthScreen(vm: MainViewModel) {
+    val ctx = LocalContext.current
+    var username by remember { mutableStateOf("") }
+    var password by remember { mutableStateOf("") }
+
+    Box(modifier = Modifier.fillMaxSize().padding(24.dp), contentAlignment = Alignment.Center) {
+        Card(modifier = Modifier.fillMaxWidth()) {
+            Column(modifier = Modifier.padding(24.dp), horizontalAlignment = Alignment.CenterHorizontally) {
+                Text("Авторизация", style = MaterialTheme.typography.titleLarge)
+                Spacer(Modifier.height(16.dp))
+
+                OutlinedTextField(
+                    value = username,
+                    onValueChange = { username = it },
+                    label = { Text("Имя пользователя") },
+                    singleLine = true,
+                    modifier = Modifier.fillMaxWidth()
+                )
+                Spacer(Modifier.height(8.dp))
+
+                OutlinedTextField(
+                    value = password,
+                    onValueChange = { password = it },
+                    label = { Text("Пароль") },
+                    visualTransformation = PasswordVisualTransformation(),
+                    singleLine = true,
+                    modifier = Modifier.fillMaxWidth()
+                )
+                Spacer(Modifier.height(20.dp))
+
+                if (vm.isAuthLoading) {
+                    CircularProgressIndicator()
+                } else {
+                    Button(
+                        onClick = {
+                            if (username.isBlank() || password.isBlank()) {
+                                Toast.makeText(ctx, "Заполните все поля", Toast.LENGTH_SHORT).show()
+                            } else {
+                                vm.login(username, password) { _, msg ->
+                                    Toast.makeText(ctx, msg, Toast.LENGTH_SHORT).show()
+                                }
+                            }
+                        },
+                        modifier = Modifier.fillMaxWidth()
+                    ) {
+                        Text("Войти / Зарегистрироваться")
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/MainAppScreen.kt b/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/MainAppScreen.kt
new file mode 100644
index 0000000..9efb272
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/ui/screens/MainAppScreen.kt
@@ -0,0 +1,418 @@
+package com.sergay.hhu67.pw.app.ui.screens
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.GridItemSpan
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.Logout
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.media3.common.MediaItem
+import androidx.media3.exoplayer.ExoPlayer
+import coil.ImageLoader
+import coil.compose.AsyncImage
+import coil.decode.VideoFrameDecoder
+import com.sergay.hhu67.pw.app.data.models.AnswerGet
+import com.sergay.hhu67.pw.app.ui.components.*
+import com.sergay.hhu67.pw.app.ui.viewmodel.AppTab
+import com.sergay.hhu67.pw.app.ui.viewmodel.ContentState
+import com.sergay.hhu67.pw.app.ui.viewmodel.MainViewModel
+import kotlinx.coroutines.launch
+import kotlin.math.ceil
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MainAppScreen(vm: MainViewModel) {
+    val ctx = LocalContext.current
+    val scope = rememberCoroutineScope()
+    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
+
+    var showAddDialog by remember { mutableStateOf(false) }
+    var editItem by remember { mutableStateOf<AnswerGet?>(null) }
+
+    val exoPlayer = remember { ExoPlayer.Builder(ctx).build() }
+
+    val imageLoader = remember {
+        ImageLoader.Builder(ctx)
+            .components {
+                add(VideoFrameDecoder.Factory())
+            }
+            .build()
+    }
+
+    LaunchedEffect(vm.currentAudioIndex, vm.isAudioPlaying) {
+        if (vm.currentAudioIndex in vm.audioPlaylist.indices) {
+            val track = vm.audioPlaylist[vm.currentAudioIndex]
+            if (!track.link.isNullOrEmpty()) {
+                val currentMedia = exoPlayer.currentMediaItem?.mediaId
+                if (currentMedia != track.link) {
+                    exoPlayer.setMediaItem(MediaItem.Builder().setUri(track.link).setMediaId(track.link).build())
+                    exoPlayer.prepare()
+                }
+                if (vm.isAudioPlaying) exoPlayer.play() else exoPlayer.pause()
+            }
+        } else {
+            exoPlayer.stop()
+        }
+    }
+
+    DisposableEffect(Unit) {
+        onDispose { exoPlayer.release() }
+    }
+
+    ModalNavigationDrawer(
+        drawerState = drawerState,
+        drawerContent = {
+            ModalDrawerSheet(modifier = Modifier.width(280.dp)) {
+                Spacer(Modifier.height(12.dp))
+                Text("Меню", modifier = Modifier.padding(16.dp), style = MaterialTheme.typography.titleMedium)
+                HorizontalDivider()
+                NavigationDrawerItem(
+                    label = { Text("Фото") },
+                    selected = vm.currentTab == AppTab.IMAGES,
+                    onClick = {
+                        vm.selectTab(AppTab.IMAGES)
+                        scope.launch { drawerState.close() }
+                    },
+                    icon = { Icon(Icons.Default.Image, null) },
+                    modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                )
+                NavigationDrawerItem(
+                    label = { Text("Аудио") },
+                    selected = vm.currentTab == AppTab.AUDIO,
+                    onClick = {
+                        vm.selectTab(AppTab.AUDIO)
+                        scope.launch { drawerState.close() }
+                    },
+                    icon = { Icon(Icons.Default.Audiotrack, null) },
+                    modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                )
+                NavigationDrawerItem(
+                    label = { Text("Видео") },
+                    selected = vm.currentTab == AppTab.VIDEO,
+                    onClick = {
+                        vm.selectTab(AppTab.VIDEO)
+                        scope.launch { drawerState.close() }
+                    },
+                    icon = { Icon(Icons.Default.Videocam, null) },
+                    modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                )
+                if (vm.isAdmin) {
+                    NavigationDrawerItem(
+                        label = { Text("Админка") },
+                        selected = vm.currentTab == AppTab.ADMIN,
+                        onClick = {
+                            vm.selectTab(AppTab.ADMIN)
+                            scope.launch { drawerState.close() }
+                        },
+                        icon = { Icon(Icons.Default.AdminPanelSettings, null) },
+                        modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+                    )
+                }
+            }
+        }
+    ) {
+        Scaffold(
+            topBar = {
+                TopAppBar(
+                    title = { Text(vm.currentTab.title) },
+                    navigationIcon = {
+                        IconButton(onClick = { scope.launch { drawerState.open() } }) {
+                            Icon(Icons.Default.Menu, contentDescription = "Меню")
+                        }
+                    },
+                    actions = {
+                        IconButton(onClick = { vm.logout() }) {
+                            Icon(Icons.AutoMirrored.Filled.Logout, contentDescription = "Выйти")
+                        }
+                        IconButton(onClick = {
+                            if (vm.currentTab == AppTab.ADMIN) {
+                                vm.loadAdminUsers(vm.usersCurrentPage)
+                                vm.loadAdminQuotes(vm.quotesCurrentPage)
+                            } else {
+                                vm.loadMediaData(vm.currentPage)
+                            }
+                        }) {
+                            Icon(Icons.Default.Refresh, contentDescription = "Обновить")
+                        }
+                    }
+                )
+            },
+            floatingActionButton = {
+                if (vm.isAdmin && vm.currentTab != AppTab.ADMIN) {
+                    FloatingActionButton(onClick = { showAddDialog = true }) {
+                        Icon(Icons.Default.Add, contentDescription = "Добавить")
+                    }
+                }
+            },
+            bottomBar = {
+                if (vm.currentAudioIndex in vm.audioPlaylist.indices) {
+                    val currentTrack = vm.audioPlaylist[vm.currentAudioIndex]
+                    val dismissState = rememberSwipeToDismissBoxState(
+                        confirmValueChange = { value ->
+                            if (value != SwipeToDismissBoxValue.Settled) {
+                                vm.dismissAudio()
+                                true
+                            } else false
+                        }
+                    )
+
+                    SwipeToDismissBox(
+                        state = dismissState,
+                        backgroundContent = {
+                            Box(
+                                modifier = Modifier
+                                    .fillMaxSize()
+                                    .background(MaterialTheme.colorScheme.errorContainer)
+                                    .padding(horizontal = 20.dp),
+                                contentAlignment = Alignment.CenterEnd
+                            ) {
+                                Icon(Icons.Default.Close, contentDescription = "Закрыть", tint = MaterialTheme.colorScheme.onErrorContainer)
+                            }
+                        }
+                    ) {
+                        Surface(color = MaterialTheme.colorScheme.surfaceVariant, modifier = Modifier.fillMaxWidth()) {
+                            Row(
+                                modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Column(modifier = Modifier.weight(1f)) {
+                                    Text(
+                                        text = currentTrack.name ?: "Аудиозапись",
+                                        style = MaterialTheme.typography.bodyMedium,
+                                        maxLines = 1
+                                    )
+                                    Text(
+                                        text = currentTrack.des ?: "Смахните для закрытия",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = Color.LightGray,
+                                        maxLines = 1
+                                    )
+                                }
+                                IconButton(onClick = { vm.prevAudio() }, modifier = Modifier.size(36.dp)) {
+                                    Icon(Icons.Default.SkipPrevious, contentDescription = "Назад")
+                                }
+                                IconButton(onClick = { vm.isAudioPlaying = !vm.isAudioPlaying }, modifier = Modifier.size(36.dp)) {
+                                    Icon(if (vm.isAudioPlaying) Icons.Default.Pause else Icons.Default.PlayArrow, null)
+                                }
+                                IconButton(onClick = { vm.nextAudio() }, modifier = Modifier.size(36.dp)) {
+                                    Icon(Icons.Default.SkipNext, contentDescription = "Вперед")
+                                }
+                                IconButton(onClick = { vm.dismissAudio() }, modifier = Modifier.size(36.dp)) {
+                                    Icon(Icons.Default.Close, contentDescription = "Закрыть плеер")
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        ) { padding ->
+            Box(modifier = Modifier.fillMaxSize().padding(padding)) {
+                if (vm.currentTab == AppTab.ADMIN) {
+                    AdminDashboard(vm = vm)
+                } else {
+                    val pageSize = if (vm.currentTab == AppTab.VIDEO) 10 else 20
+                    val totalPages = maxOf(1, ceil(vm.totalItemsCount.toDouble() / pageSize).toInt())
+
+                    when (val s = vm.state) {
+                        is ContentState.Loading -> CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
+                        is ContentState.Error -> Column(
+                            modifier = Modifier.align(Alignment.Center),
+                            horizontalAlignment = Alignment.CenterHorizontally
+                        ) {
+                            Text(s.message, color = MaterialTheme.colorScheme.error)
+                            Spacer(Modifier.height(8.dp))
+                            Button(onClick = { vm.loadMediaData(vm.currentPage) }) { Text("Повторить") }
+                        }
+                        is ContentState.SuccessItems -> {
+                        val pageSize = if (vm.currentTab == AppTab.VIDEO) 10 else 20
+                        val totalPages = maxOf(1, ceil(vm.totalItemsCount.toDouble() / pageSize).toInt())
+
+                        when (vm.currentTab) {
+                            AppTab.IMAGES -> {
+                                LazyVerticalGrid(
+                                    columns = GridCells.Fixed(2),
+                                    contentPadding = PaddingValues(8.dp),
+                                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                                    verticalArrangement = Arrangement.spacedBy(8.dp),
+                                    modifier = Modifier.fillMaxSize()
+                                ) {
+                                    items(s.items, key = { it.id }) { item ->
+                                        GridMediaItem(
+                                            item = item,
+                                            isVideo = false,
+                                            imageLoader = imageLoader,
+                                            onClick = {
+                                                vm.previewMediaItem = item
+                                                vm.isPreviewVideo = false
+                                            }
+                                        )
+                                    }
+                                    item(span = { GridItemSpan(maxLineSpan) }) {
+                                        PaginationControls(
+                                            currentPage = vm.currentPage,
+                                            totalPages = totalPages,
+                                            onPageSelected = { vm.loadMediaData(it) }
+                                        )
+                                    }
+                                }
+                            }
+                            AppTab.VIDEO -> {
+                                LazyVerticalGrid(
+                                    columns = GridCells.Fixed(2),
+                                    contentPadding = PaddingValues(8.dp),
+                                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                                    verticalArrangement = Arrangement.spacedBy(8.dp),
+                                    modifier = Modifier.fillMaxSize()
+                                ) {
+                                    items(s.items, key = { it.id }) { item ->
+                                        GridMediaItem(
+                                            item = item,
+                                            isVideo = true,
+                                            imageLoader = imageLoader,
+                                            onClick = {
+                                                vm.previewMediaItem = item
+                                                vm.isPreviewVideo = true
+                                            }
+                                        )
+                                    }
+                                    item(span = { GridItemSpan(maxLineSpan) }) {
+                                        PaginationControls(
+                                            currentPage = vm.currentPage,
+                                            totalPages = totalPages,
+                                            onPageSelected = { vm.loadMediaData(it) }
+                                        )
+                                    }
+                                }
+                            }
+                            AppTab.AUDIO -> {
+                                LazyColumn(
+                                    contentPadding = PaddingValues(16.dp),
+                                    verticalArrangement = Arrangement.spacedBy(12.dp),
+                                    modifier = Modifier.fillMaxSize()
+                                ) {
+                                    items(s.items.size) { index ->
+                                        val item = s.items[index]
+                                        AudioListItem(
+                                            item = item,
+                                            isAdmin = vm.isAdmin,
+                                            onPlayAudio = { vm.playAudioTrack(index) },
+                                            onEdit = { editItem = item },
+                                            onDelete = { vm.deleteItem(item.id) }
+                                        )
+                                    }
+                                    item {
+                                        PaginationControls(
+                                            currentPage = vm.currentPage,
+                                            totalPages = totalPages,
+                                            onPageSelected = { vm.loadMediaData(it) }
+                                        )
+                                    }
+                                }
+                            }
+                            AppTab.ADMIN -> {}
+                        }
+                    }
+                    }
+                }
+            }
+        }
+    }
+
+    vm.previewMediaItem?.let { item ->
+        Dialog(
+            onDismissRequest = { vm.previewMediaItem = null },
+            properties = DialogProperties(usePlatformDefaultWidth = false)
+        ) {
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth(0.95f)
+                    .fillMaxHeight(0.85f)
+                    .padding(8.dp)
+            ) {
+                Column(
+                    modifier = Modifier
+                        .padding(16.dp)
+                        .verticalScroll(rememberScrollState())
+                ) {
+                    if (vm.isPreviewVideo && !item.link.isNullOrEmpty()) {
+                        VideoPlayerView(url = item.link)
+                    } else if (!item.link.isNullOrEmpty()) {
+                        AsyncImage(
+                            model = item.link,
+                            contentDescription = null,
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .height(500.dp),
+                            contentScale = ContentScale.Fit
+                        )
+                    }
+
+                    Spacer(Modifier.height(12.dp))
+                    Text(text = item.name ?: "Без названия", style = MaterialTheme.typography.titleLarge)
+                    if (!item.des.isNullOrBlank()) {
+                        Spacer(Modifier.height(4.dp))
+                        Text(text = item.des, style = MaterialTheme.typography.bodyMedium, color = Color.LightGray)
+                    }
+
+                    Spacer(Modifier.height(16.dp))
+
+                    Row(modifier = Modifier.fillMaxWidth(), verticalAlignment = Alignment.CenterVertically) {
+                        if (vm.isAdmin) {
+                            IconButton(onClick = {
+                                editItem = item
+                                vm.previewMediaItem = null
+                            }) {
+                                Icon(Icons.Default.Edit, contentDescription = "Редактировать")
+                            }
+                            IconButton(onClick = { vm.deleteItem(item.id) }) {
+                                Icon(Icons.Default.Delete, contentDescription = "Удалить", tint = MaterialTheme.colorScheme.error)
+                            }
+                        }
+                        Spacer(Modifier.weight(1f))
+                        Button(onClick = { vm.previewMediaItem = null }) {
+                            Text("Закрыть")
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    if (showAddDialog) {
+        UploadDialog(
+            tab = vm.currentTab,
+            onDismiss = { showAddDialog = false },
+            onUpload = { bytes, fileName, name, des ->
+                vm.uploadMedia(bytes, fileName, name, des)
+                showAddDialog = false
+            }
+        )
+    }
+
+    editItem?.let { item ->
+        EditDialog(
+            item = item,
+            onDismiss = { editItem = null },
+            onSave = { id, name, des ->
+                vm.updateItem(id, name, des)
+                editItem = null
+            }
+        )
+    }
+}
diff --git a/app/src/main/java/com/sergay/hhu67/pw/app/ui/viewmodel/MainViewModel.kt b/app/src/main/java/com/sergay/hhu67/pw/app/ui/viewmodel/MainViewModel.kt
new file mode 100644
index 0000000..b374b57
--- /dev/null
+++ b/app/src/main/java/com/sergay/hhu67/pw/app/ui/viewmodel/MainViewModel.kt
@@ -0,0 +1,318 @@
+package com.sergay.hhu67.pw.app.ui.viewmodel
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.compose.runtime.*
+import androidx.core.content.edit
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import com.sergay.hhu67.pw.app.data.models.*
+import com.sergay.hhu67.pw.app.data.network.ApiService
+import com.sergay.hhu67.pw.app.data.network.globalCookieJar
+import kotlinx.coroutines.launch
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.MultipartBody
+import okhttp3.RequestBody.Companion.toRequestBody
+import kotlin.math.ceil
+
+enum class AppTab(val title: String) {
+    IMAGES("Фото"),
+    AUDIO("Аудио"),
+    VIDEO("Видео"),
+    ADMIN("Админка")
+}
+
+sealed interface ContentState {
+    object Loading : ContentState
+    data class SuccessItems(val items: List<AnswerGet>) : ContentState
+    data class Error(val message: String) : ContentState
+}
+
+class MainViewModel(appContext: Context) : ViewModel() {
+    private val authPrefs: SharedPreferences = appContext.getSharedPreferences("auth_session", Context.MODE_PRIVATE)
+    private val api = ApiService.create()
+    private val ipApi = ApiService.createIpService()
+
+    var isAuthenticated by mutableStateOf(authPrefs.getBoolean("is_auth", false))
+    var isAdmin by mutableStateOf(authPrefs.getBoolean("is_admin", false))
+    var isAuthLoading by mutableStateOf(false)
+
+    var currentTab by mutableStateOf(AppTab.IMAGES)
+    var state by mutableStateOf<ContentState>(ContentState.Loading)
+
+    var currentPage by mutableIntStateOf(0)
+    var totalItemsCount by mutableIntStateOf(0)
+
+    var previewMediaItem by mutableStateOf<AnswerGet?>(null)
+    var isPreviewVideo by mutableStateOf(false)
+
+    var audioPlaylist by mutableStateOf<List<AnswerGet>>(emptyList())
+    var currentAudioIndex by mutableIntStateOf(-1)
+    var isAudioPlaying by mutableStateOf(false)
+
+    var adminUsers by mutableStateOf<List<AnswerAdmin>>(emptyList())
+    var usersTotalCount by mutableIntStateOf(0)
+    var usersCurrentPage by mutableIntStateOf(0)
+
+    var adminQuotes by mutableStateOf<List<AnswerBot>>(emptyList())
+    var quotesTotalCount by mutableIntStateOf(0)
+    var quotesCurrentPage by mutableIntStateOf(0)
+
+    init {
+        if (isAuthenticated) {
+            checkRoleAndRestore()
+        }
+    }
+
+    private fun checkRoleAndRestore() {
+        viewModelScope.launch {
+            try {
+                api.getUsers(limit = 1, offset = 0)
+                isAdmin = true
+                authPrefs.edit { putBoolean("is_admin", true) }
+            } catch (e: retrofit2.HttpException) {
+                if (e.code() == 403) {
+                    isAdmin = false
+                    authPrefs.edit { putBoolean("is_admin", false) }
+                }
+            } catch (_: Exception) {}
+            selectTab(AppTab.IMAGES)
+        }
+    }
+
+    fun login(user: String, pass: String, onResult: (Boolean, String) -> Unit) {
+        viewModelScope.launch {
+            isAuthLoading = true
+            try {
+                val ipInfo = try {
+                    ipApi.getIpInfo()
+                } catch (_: Exception) {
+                    IpInfo("127.0.0.1", "Unknown", "Unknown")
+                }
+
+                val resp = api.login(
+                    user = user,
+                    pass = pass,
+                    ip = ipInfo.ip ?: "127.0.0.1",
+                    country = ipInfo.country ?: "Unknown",
+                    city = ipInfo.city ?: "Unknown"
+                )
+
+                if (resp.isSuccessful) {
+                    isAuthenticated = true
+                    authPrefs.edit { putBoolean("is_auth", true) }
+
+                    try {
+                        api.getUsers(limit = 1, offset = 0)
+                        isAdmin = true
+                        authPrefs.edit { putBoolean("is_admin", true) }
+                        onResult(true, "Вход выполнен: Администратор")
+                    } catch (e: retrofit2.HttpException) {
+                        isAdmin = false
+                        authPrefs.edit { putBoolean("is_admin", false) }
+                        onResult(true, "Вход выполнен: Пользователь")
+                    }
+                    selectTab(AppTab.IMAGES)
+                } else {
+                    onResult(false, "Неверный логин или пароль")
+                }
+            } catch (e: Exception) {
+                onResult(false, e.localizedMessage ?: "Ошибка сети")
+            } finally {
+                isAuthLoading = false
+            }
+        }
+    }
+
+    fun logout() {
+        globalCookieJar.clear()
+        authPrefs.edit { clear() }
+        isAuthenticated = false
+        isAdmin = false
+        currentTab = AppTab.IMAGES
+        dismissAudio()
+        currentPage = 0
+    }
+
+    fun selectTab(tab: AppTab) {
+        currentTab = tab
+        currentPage = 0
+        if (tab == AppTab.ADMIN) {
+            loadAdminUsers(0)
+            loadAdminQuotes(0)
+        } else {
+            loadMediaData(0)
+        }
+    }
+
+    fun loadMediaData(page: Int = currentPage) {
+        state = ContentState.Loading
+        currentPage = page
+        viewModelScope.launch {
+            try {
+                when (currentTab) {
+                    AppTab.IMAGES -> {
+                        val limit = 20
+                        val res = api.getImages(limit = limit, offset = page * limit)
+                        totalItemsCount = res.total
+                        state = ContentState.SuccessItems(res.items ?: emptyList())
+                    }
+                    AppTab.AUDIO -> {
+                        val limit = 20
+                        val res = api.getAudio(limit = limit, offset = page * limit)
+                        totalItemsCount = res.total
+                        val list = res.items ?: emptyList()
+                        audioPlaylist = list
+                        state = ContentState.SuccessItems(list)
+                    }
+                    AppTab.VIDEO -> {
+                        val limit = 10
+                        val res = api.getVideo(limit = limit, offset = page * limit)
+                        totalItemsCount = res.total
+                        state = ContentState.SuccessItems(res.items ?: emptyList())
+                    }
+                    AppTab.ADMIN -> {}
+                }
+            } catch (e: Exception) {
+                state = ContentState.Error(e.localizedMessage ?: "Ошибка загрузки")
+            }
+        }
+    }
+
+    fun loadAdminUsers(page: Int) {
+        viewModelScope.launch {
+            try {
+                val res = api.getUsers(limit = 20, offset = page * 20)
+                adminUsers = res.items ?: emptyList()
+                usersTotalCount = res.total
+                usersCurrentPage = page
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun loadAdminQuotes(page: Int) {
+        viewModelScope.launch {
+            try {
+                val res = api.getBotQuotes(limit = 20, offset = page * 20)
+                adminQuotes = res.items ?: emptyList()
+                quotesTotalCount = res.total
+                quotesCurrentPage = page
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun playAudioTrack(index: Int) {
+        if (index in audioPlaylist.indices) {
+            currentAudioIndex = index
+            isAudioPlaying = true
+        }
+    }
+
+    fun dismissAudio() {
+        currentAudioIndex = -1
+        isAudioPlaying = false
+    }
+
+    fun nextAudio() {
+        if (audioPlaylist.isNotEmpty()) {
+            currentAudioIndex = (currentAudioIndex + 1) % audioPlaylist.size
+            isAudioPlaying = true
+        }
+    }
+
+    fun prevAudio() {
+        if (audioPlaylist.isNotEmpty()) {
+            currentAudioIndex = if (currentAudioIndex - 1 < 0) audioPlaylist.size - 1 else currentAudioIndex - 1
+            isAudioPlaying = true
+        }
+    }
+
+    fun deleteItem(id: Int) {
+        viewModelScope.launch {
+            try {
+                when (currentTab) {
+                    AppTab.IMAGES -> api.deleteImage(id)
+                    AppTab.AUDIO -> api.deleteAudio(id)
+                    AppTab.VIDEO -> api.deleteVideo(id)
+                    else -> {}
+                }
+                previewMediaItem = null
+                loadMediaData(currentPage)
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun updateItem(id: Int, name: String, des: String) {
+        viewModelScope.launch {
+            try {
+                when (currentTab) {
+                    AppTab.IMAGES -> api.updateImage(id, name, des)
+                    AppTab.AUDIO -> api.updateAudio(id, name, des)
+                    AppTab.VIDEO -> api.updateVideo(id, name, des)
+                    else -> {}
+                }
+                previewMediaItem = null
+                loadMediaData(currentPage)
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun deleteUser(username: String) {
+        viewModelScope.launch {
+            try {
+                api.deleteUser(username)
+                loadAdminUsers(usersCurrentPage)
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun updateBotPhrase(id: Int, phrase: String) {
+        viewModelScope.launch {
+            try {
+                api.updateBotPhrase(id, phrase)
+                loadAdminQuotes(quotesCurrentPage)
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun deleteBotPhrase(id: Int) {
+        viewModelScope.launch {
+            try {
+                api.deleteBotPhrase(id)
+                loadAdminQuotes(quotesCurrentPage)
+            } catch (_: Exception) {}
+        }
+    }
+
+    fun uploadMedia(bytes: ByteArray, fileName: String, name: String, des: String) {
+        viewModelScope.launch {
+            state = ContentState.Loading
+            try {
+                val reqFile = bytes.toRequestBody("multipart/form-data".toMediaTypeOrNull())
+                val namePart = name.toRequestBody("text/plain".toMediaTypeOrNull())
+                val desPart = des.toRequestBody("text/plain".toMediaTypeOrNull())
+
+                when (currentTab) {
+                    AppTab.IMAGES -> api.uploadImage(MultipartBody.Part.createFormData("image", fileName, reqFile), namePart, desPart)
+                    AppTab.AUDIO -> api.uploadAudio(MultipartBody.Part.createFormData("audio", fileName, reqFile), namePart, desPart)
+                    AppTab.VIDEO -> api.uploadVideo(MultipartBody.Part.createFormData("video", fileName, reqFile), namePart, desPart)
+                    else -> {}
+                }
+                loadMediaData(0)
+            } catch (e: Exception) {
+                state = ContentState.Error("Ошибка загрузки: ${e.localizedMessage}")
+            }
+        }
+    }
+}
+
+class MainViewModelFactory(private val context: Context) : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        if (modelClass.isAssignableFrom(MainViewModel::class.java)) {
+            @Suppress("UNCHECKED_CAST")
+            return MainViewModel(context) as T
+        }
+        throw IllegalArgumentException("Unknown ViewModel class")
+    }
+}