---

package com.example.myfirstapp

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            Surface(
                modifier = Modifier.fillMaxSize(),
                color = MaterialTheme.colorScheme.background
            ) {
                CounterApp()
            }
        }
    }
}

@androidx.compose.runtime.Composable
fun CounterApp() {
    val count = remember { mutableStateOf(0) }
    
    Column(
        modifier = Modifier
            .fillMaxSize()
            .padding(16.dp),
        verticalArrangement = Arrangement.Center,
        horizontalAlignment = Alignment.CenterHorizontally
    ) {
        Text(
            text = "Счётчик",
            fontSize = 32.sp,
            modifier = Modifier.padding(bottom = 16.dp)
        )
        
        Text(
            text = count.value.toString(),
            fontSize = 48.sp,
            modifier = Modifier.padding(bottom = 32.dp)
        )
        
        Button(
            onClick = { count.value++ }
        ) {
            Text("Нажми меня!", fontSize = 20.sp)
        }
        
        Button(
            onClick = { count.value = 0 },
            modifier = Modifier.padding(top = 16.dp)
        ) {
            Text("Сброс")
        }
    }
}