diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a5ccda1..9b849bb 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -36,7 +36,7 @@ android {
 
 dependencies {
     defaultComposeLibrary()
-    implementation("androidx.datastore:datastore-preferences:1.1.7")
+    implementation("androidx.datastore:datastore-preferences:1.2.0")
     implementation("org.jetbrains.kotlinx:kotlinx-collections-immutable:0.4.0")
     implementation("androidx.navigation:navigation-compose:2.9.6")
     val coil = "3.3.0"
diff --git a/app/src/main/java/ru/myitschool/work/core/Constants.kt b/app/src/main/java/ru/myitschool/work/core/Constants.kt
index a8b7cc5..f1a13ec 100644
--- a/app/src/main/java/ru/myitschool/work/core/Constants.kt
+++ b/app/src/main/java/ru/myitschool/work/core/Constants.kt
@@ -1,7 +1,7 @@
 package ru.myitschool.work.core
 
 object Constants {
-    const val HOST = "http://10.0.2.2:8080"
+    const val HOST = "http://192.168.0.121:8080/"
     const val AUTH_URL = "/auth"
     const val INFO_URL = "/info"
     const val BOOKING_URL = "/booking"
diff --git a/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt b/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
index 3ef28f1..1807f66 100644
--- a/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
+++ b/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
@@ -1,16 +1,42 @@
 package ru.myitschool.work.data.repo
 
+import android.content.Context
+import android.util.Log
+import ru.myitschool.work.App
 import ru.myitschool.work.data.source.NetworkDataSource
 
 object AuthRepository {
 
     private var codeCache: String? = null
+    private const val PREF_NAME = "auth_prefs"
+    private const val KEY_SAVED_CODE = "saved_code"
+    private val context: Context get() = App.context
 
-    suspend fun checkAndSave(text: String): Result<Boolean> {
-        return NetworkDataSource.checkAuth(text).onSuccess { success ->
-            if (success) {
-                codeCache = text
+    private fun loadSavedCode(): String? {
+        return context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+            .getString(KEY_SAVED_CODE, null)
+    }
+
+    fun getSavedCode(): String? = loadSavedCode()
+
+    suspend fun checkAndSave(text: String): Result<Unit> {
+        return NetworkDataSource.checkAuth(text).fold(
+            onSuccess = { success ->
+                if (success) {
+                    codeCache = text
+                    context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                        .edit()
+                        .putString(KEY_SAVED_CODE, text)
+                        .apply()
+                    Result.success(Unit)
+                } else {
+                    Result.failure(IllegalStateException("Неверный код для авторизации"))
+                }
+            },
+            onFailure = { error ->
+                Log.e("AuthRepository", "Auth failed", error)
+                Result.failure(error)
             }
-        }
+        )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt b/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt
new file mode 100644
index 0000000..f768094
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt
@@ -0,0 +1,16 @@
+package ru.myitschool.work.data.repo
+
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.ui.screen.UserInfo
+import androidx.core.content.edit
+
+object MainRepository {
+    suspend fun loadUserInfo(code: String): Result<UserInfo> {
+        return NetworkDataSource.getInfo(code)
+    }
+    fun clearAuth() {
+        val prefs = ru.myitschool.work.App.context
+            .getSharedPreferences("auth_prefs", android.content.Context.MODE_PRIVATE)
+        prefs.edit { clear() }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt b/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
index fbdfef5..89b7c79 100644
--- a/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
+++ b/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
@@ -1,6 +1,10 @@
 package ru.myitschool.work.data.source
 
+import android.icu.text.IDNA
+import android.service.autofill.UserData
+import android.util.Log
 import io.ktor.client.HttpClient
+import io.ktor.client.call.body
 import io.ktor.client.engine.cio.CIO
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
 import io.ktor.client.request.get
@@ -11,16 +15,19 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import ru.myitschool.work.core.Constants
+import ru.myitschool.work.ui.screen.UserInfo
 
 object NetworkDataSource {
     private val client by lazy {
         HttpClient(CIO) {
+            engine { requestTimeout= 10000; }
+
             install(ContentNegotiation) {
                 json(
                     Json {
                         isLenient = true
                         ignoreUnknownKeys = true
-                        explicitNulls = true
+                        explicitNulls = false
                         encodeDefaults = true
                     }
                 )
@@ -31,12 +38,29 @@ object NetworkDataSource {
     suspend fun checkAuth(code: String): Result<Boolean> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
             val response = client.get(getUrl(code, Constants.AUTH_URL))
+            Log.d("NetworkDataSource", "Auth response: ${response.status}")
             when (response.status) {
                 HttpStatusCode.OK -> true
-                else -> error(response.bodyAsText())
+                else -> error("Неверный код для авторизации")
+            }
+        }.onFailure { error ->
+            Log.e("NetworkDataSource", "Auth request failed", error)
+        }
+    }
+    suspend fun getInfo(code: String): Result<UserInfo> = withContext(Dispatchers.IO){
+        return@withContext runCatching {
+            val response = client.get(getUrl(code, Constants.INFO_URL))
+            when(response.status){
+                HttpStatusCode.OK -> response.body()
+                else -> error("Ошибка получения данных")
             }
         }
     }
 
-    private fun getUrl(code: String, targetUrl: String) = "${Constants.HOST}/api/$code$targetUrl"
-}
\ No newline at end of file
+    private const val TAG = "NetworkDataSource"
+
+    private fun getUrl(code: String, targetUrl: String): String {
+        val url = "${Constants.HOST}api/$code$targetUrl"
+        Log.d(TAG, "URL: $url")
+        return url
+    }}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt b/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
index 012fb6f..733d95c 100644
--- a/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
+++ b/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
@@ -5,11 +5,7 @@ import ru.myitschool.work.data.repo.AuthRepository
 class CheckAndSaveAuthCodeUseCase(
     private val repository: AuthRepository
 ) {
-    suspend operator fun invoke(
-        text: String
-    ): Result<Unit> {
-        return repository.checkAndSave(text).mapCatching { success ->
-            if (!success) error("Code is incorrect")
-        }
+    suspend operator fun invoke(text: String): Result<Unit> {
+        return repository.checkAndSave(text)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt b/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt
new file mode 100644
index 0000000..8834207
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt
@@ -0,0 +1,23 @@
+package ru.myitschool.work.ui.screen
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UserInfo(
+    val name: String,
+    @SerialName("photoUrl") val photoUrl: String?,
+    @SerialName("booking") val booking: Map<String, BookingItem>
+) {
+    val bookings: List<Booking> by lazy {
+        booking.map { (date, item) ->
+            Booking(date = date, place = item.place)
+        }.sortedBy { it.date }
+    }
+}
+
+@Serializable
+data class BookingItem(val place: String, val id: Int)
+
+@Serializable
+data class Booking(val date: String, val place: String)
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt b/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
index 01b0f32..3409131 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
@@ -7,42 +7,45 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
+import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.ui.nav.AuthScreenDestination
 import ru.myitschool.work.ui.nav.BookScreenDestination
 import ru.myitschool.work.ui.nav.MainScreenDestination
 import ru.myitschool.work.ui.screen.auth.AuthScreen
+import ru.myitschool.work.ui.screen.main.MainScreen
 
 @Composable
 fun AppNavHost(
     modifier: Modifier = Modifier,
     navController: NavHostController = rememberNavController()
 ) {
+    val startDestination = if (AuthRepository.getSavedCode() != null) {
+        MainScreenDestination
+    } else {
+        AuthScreenDestination
+    }
     NavHost(
         modifier = modifier,
-        enterTransition = { EnterTransition.None },
-        exitTransition = { ExitTransition.None },
         navController = navController,
-        startDestination = AuthScreenDestination,
+        startDestination = startDestination
     ) {
         composable<AuthScreenDestination> {
             AuthScreen(navController = navController)
         }
         composable<MainScreenDestination> {
-            Box(
-                contentAlignment = Alignment.Center
-            ) {
-                Text(text = "Hello")
-            }
+            MainScreen(
+                viewModel = viewModel(),
+                navController = navController
+            )
         }
         composable<BookScreenDestination> {
-            Box(
-                contentAlignment = Alignment.Center
-            ) {
-                Text(text = "Hello")
+            Box(contentAlignment = Alignment.Center) {
+                Text("Hello")
             }
         }
     }
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/UserEntity.kt b/app/src/main/java/ru/myitschool/work/ui/screen/UserEntity.kt
new file mode 100644
index 0000000..e69de29
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt
index f99978e..e22a5e4 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt
@@ -5,6 +5,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.Button
@@ -21,7 +22,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
@@ -74,6 +74,11 @@ private fun Content(
     state: AuthState.Data
 ) {
     var inputText by remember { mutableStateOf("") }
+
+    val isValidCode = inputText.length == 4 && inputText.isNotEmpty() && inputText.none { it.isWhitespace() } && inputText.all { ch ->
+        ch in '0'..'9' || ch in 'A'..'Z' || ch in 'a'..'z'
+    }
+
     Spacer(modifier = Modifier.size(16.dp))
     TextField(
         modifier = Modifier.testTag(TestIds.Auth.CODE_INPUT).fillMaxWidth(),
@@ -82,15 +87,23 @@ private fun Content(
             inputText = it
             viewModel.onIntent(AuthIntent.TextInput(it))
         },
-        label = { Text(stringResource(R.string.auth_label)) }
+        label = { Text(stringResource(R.string.auth_label)) },
     )
+    if (state.error != null) {
+        Text(
+            text = state.error,
+            color = MaterialTheme.colorScheme.error,
+            modifier = Modifier
+                .testTag(TestIds.Auth.ERROR)
+        )
+    }
     Spacer(modifier = Modifier.size(16.dp))
     Button(
         modifier = Modifier.testTag(TestIds.Auth.SIGN_BUTTON).fillMaxWidth(),
         onClick = {
             viewModel.onIntent(AuthIntent.Send(inputText))
         },
-        enabled = true
+        enabled = isValidCode
     ) {
         Text(stringResource(R.string.auth_sign_in))
     }
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
index a06ba76..9c1a8dc 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
@@ -2,5 +2,7 @@ package ru.myitschool.work.ui.screen.auth
 
 sealed interface AuthState {
     object Loading: AuthState
-    object Data: AuthState
+    data class Data(
+        val error: String? = null
+    ) : AuthState
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt
index 3153640..e6d3779 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt
@@ -15,7 +15,7 @@ import ru.myitschool.work.domain.auth.CheckAndSaveAuthCodeUseCase
 
 class AuthViewModel : ViewModel() {
     private val checkAndSaveAuthCodeUseCase by lazy { CheckAndSaveAuthCodeUseCase(AuthRepository) }
-    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data)
+    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data())
     val uiState: StateFlow<AuthState> = _uiState.asStateFlow()
 
     private val _actionFlow: MutableSharedFlow<Unit> = MutableSharedFlow()
@@ -24,20 +24,23 @@ class AuthViewModel : ViewModel() {
     fun onIntent(intent: AuthIntent) {
         when (intent) {
             is AuthIntent.Send -> {
-                viewModelScope.launch(Dispatchers.Default) {
+                viewModelScope.launch(Dispatchers.IO) {
                     _uiState.update { AuthState.Loading }
-                    checkAndSaveAuthCodeUseCase.invoke("9999").fold(
+                    checkAndSaveAuthCodeUseCase.invoke(intent.text).fold(
                         onSuccess = {
                             _actionFlow.emit(Unit)
                         },
                         onFailure = { error ->
-                            error.printStackTrace()
-                            _actionFlow.emit(Unit)
+                            _uiState.update {
+                                AuthState.Data(error.message ?: "Неверный код для авторизации")
+                            }
                         }
                     )
                 }
             }
-            is AuthIntent.TextInput -> Unit
+            is AuthIntent.TextInput -> {
+                _uiState.update { AuthState.Data() }
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt
new file mode 100644
index 0000000..d7b99f3
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt
@@ -0,0 +1,7 @@
+package ru.myitschool.work.ui.screen.main
+
+sealed interface MainIntent {
+    data object LoadData : MainIntent
+    data object Logout : MainIntent
+    data object AddBooking : MainIntent
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt
new file mode 100644
index 0000000..507ac27
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt
@@ -0,0 +1,223 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil3.compose.AsyncImage
+import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.BookScreenDestination
+import ru.myitschool.work.ui.screen.Booking
+
+@Composable
+fun MainScreen(
+    viewModel: MainViewModel = viewModel(),
+    navController: NavController
+) {
+    val state by viewModel.uiState.collectAsState()
+    LaunchedEffect(state) {
+        Log.d("MainScreen", "UI State: $state")
+    }
+    LaunchedEffect(viewModel) {
+        viewModel.navigationFlow.collect { event ->
+            when (event) {
+                MainNavigationEvent.NavigateToAuth -> {
+                    navController.navigate(AuthScreenDestination) {
+                        popUpTo(navController.graph.startDestinationId) { inclusive = true }
+                    }
+                }
+                MainNavigationEvent.NavigateToBook -> {
+                    navController.navigate(BookScreenDestination)
+                }
+            }
+        }
+    }
+
+    when (state) {
+        MainState.Loading -> {
+            CircularProgressIndicator(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .wrapContentSize(Alignment.Center)
+            )
+        }
+        is MainState.Content -> {
+            Content(
+                state = state as MainState.Content,
+                onRefresh = { viewModel.onIntent(MainIntent.LoadData) },
+                onLogout = { viewModel.onIntent(MainIntent.Logout) },
+                onAddBooking = { viewModel.onIntent(MainIntent.AddBooking) }
+            )
+        }
+        is MainState.ErrorOnly -> {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.Center
+            ) {
+                Text(
+                    text = (state as MainState.ErrorOnly).message,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.testTag(TestIds.Main.ERROR)
+                )
+                Spacer(modifier = Modifier.height(16.dp))
+                Button(
+                    onClick = { viewModel.onIntent(MainIntent.LoadData) },
+                    modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+                ) {
+                    Text("Обновить")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun Content(
+    state: MainState.Content,
+    onRefresh: () -> Unit,
+    onLogout: () -> Unit,
+    onAddBooking: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        state.userPhotoUrl?.let { url ->
+            AsyncImage(
+                model = url,
+                contentDescription = "Аватар",
+                modifier = Modifier
+                    .size(80.dp)
+                    .clip(CircleShape)
+                    .testTag(TestIds.Main.PROFILE_IMAGE)
+            )
+        }
+        state.userName?.let {
+            Text(
+                text = it,
+                style = MaterialTheme.typography.headlineSmall,
+                modifier = Modifier.testTag(TestIds.Main.PROFILE_NAME)
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Button(
+                onClick = onLogout,
+                modifier = Modifier.testTag(TestIds.Main.LOGOUT_BUTTON)
+            ) {
+                Text("Выйти")
+            }
+            Button(
+                onClick = onRefresh,
+                modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+            ) {
+                Text("Обновить")
+            }
+            Button(
+                onClick = onAddBooking,
+                modifier = Modifier.testTag(TestIds.Main.ADD_BUTTON)
+            ) {
+                Text("Забронировать")
+            }
+        }
+
+        Spacer(modifier = Modifier.height(16.dp))
+        if (state.error != null) {
+            Text(
+                text = state.error,
+                color = MaterialTheme.colorScheme.error,
+                modifier = Modifier.testTag(TestIds.Main.ERROR)
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        Text(
+            text = "Бронирования",
+            style = MaterialTheme.typography.titleMedium,
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag("main_bookings_title")
+        )
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 8.dp),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Text(
+                text = "Дата",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_date")
+            )
+            Text(
+                text = "Место",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_place")
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        LazyColumn(modifier = Modifier.fillMaxSize()) {
+            itemsIndexed(state.bookings) { index, item ->
+                BookingItemView(booking = item, index = index)
+                Spacer(modifier = Modifier.height(8.dp))
+            }
+        }
+    }
+}
+@Composable
+private fun BookingItemView(booking: Booking, index: Int) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .testTag(TestIds.Main.getIdItemByPosition(index))
+            .padding(8.dp)
+    ) {
+        Text(
+            text = booking.date,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_DATE)
+        )
+        Spacer(modifier = Modifier.weight(1f))
+        Text(
+            text = booking.place,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_PLACE)
+        )
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt
new file mode 100644
index 0000000..29e8434
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt
@@ -0,0 +1,16 @@
+package ru.myitschool.work.ui.screen.main
+
+import ru.myitschool.work.ui.screen.Booking
+
+sealed interface MainState {
+    object Loading : MainState
+    data class Content(
+        val userName: String?,
+        val userPhotoUrl: String?,
+        val bookings: List<Booking>,
+        val error: String? = null
+    ) : MainState
+    data class ErrorOnly(
+        val message: String
+    ) : MainState
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt
new file mode 100644
index 0000000..8fd7dea
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt
@@ -0,0 +1,103 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import ru.myitschool.work.data.repo.AuthRepository
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.ui.screen.Booking
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+class MainViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow<MainState>(MainState.Loading)
+    val uiState: StateFlow<MainState> = _uiState.asStateFlow()
+
+    private val _navigationFlow = MutableSharedFlow<MainNavigationEvent>(replay = 0, extraBufferCapacity = 1)
+    val navigationFlow: SharedFlow<MainNavigationEvent> = _navigationFlow
+    fun formatDateString(isoDate: String): String {
+        val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+        val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+        val date = LocalDate.parse(isoDate, inputFormatter)
+        return date.format(outputFormatter)
+    }
+    init {
+        loadData()
+    }
+
+    private fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            withContext(Dispatchers.Main) {
+                _uiState.value = MainState.Loading
+            }
+
+            val code = AuthRepository.getSavedCode() ?: run {
+                _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                return@launch
+            }
+
+            MainRepository.loadUserInfo(code).fold(
+                onSuccess = { userInfo ->
+                    val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+                    val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+
+                    val sortedBookings = userInfo.bookings
+                        .sortedBy { LocalDate.parse(it.date, inputFormatter) }
+                        .map { booking ->
+                            Booking(
+                                date = LocalDate.parse(booking.date, inputFormatter).format(outputFormatter),
+                                place = booking.place
+                            )
+                        }
+
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.Content(
+                            userName = userInfo.name,
+                            userPhotoUrl = userInfo.photoUrl ?: "",
+                            bookings = sortedBookings,
+                            error = null
+                        )
+                    }
+                },
+                onFailure = { error ->
+                    Log.e("MainViewModel", "Ошибка загрузки", error)
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.ErrorOnly(
+                            error.message ?: "Не удалось загрузить данные"
+                        )
+                    }
+                }
+            )
+        }
+    }
+
+    fun onIntent(intent: MainIntent) {
+        when (intent) {
+            MainIntent.LoadData -> loadData()
+            MainIntent.Logout -> {
+                MainRepository.clearAuth()
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                }
+            }
+            MainIntent.AddBooking -> {
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToBook)
+                }
+            }
+        }
+    }
+}
+sealed interface MainNavigationEvent {
+    object NavigateToAuth : MainNavigationEvent
+    object NavigateToBook : MainNavigationEvent
+}
\ No newline at end of file