How to solve the problem with compiling a program with an old interface?

I tried to make my Android app in Kotlin with Holo theme My code: activity_main.xml:

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <TextView
        android:id="@+id/label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Enter your name:"
        android:textSize="18sp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:textColor="@android:color/black"/>

    <EditText
        android:id="@+id/nameEditText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Name"
        android:layout_below="@id/label"
        android:layout_marginTop="16dp"
        android:layout_centerHorizontal="true"/>

    <Button
        android:id="@+id/loginButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Login"
        android:layout_below="@id/nameEditText"
        android:layout_marginTop="16dp"
        android:layout_centerHorizontal="true"/>

    <TextView
        android:id="@+id/forgotPasswordTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Forgot password?"
        android:textColor="@android:color/holo_blue_light"
        android:layout_below="@id/loginButton"
        android:layout_marginTop="16dp"
        android:layout_centerHorizontal="true"/>
</RelativeLayout>

MainActivity.kt:

package resichat.messenger

import android.os.Bundle
import android.widget.Button
import android.widget.EditText
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val nameEditText: EditText = findViewById(R.id.nameEditText)
        val loginButton: Button = findViewById(R.id.loginButton)
        val forgotPasswordTextView: TextView = findViewById(R.id.forgotPasswordTextView)

        loginButton.setOnClickListener {
            val name = nameEditText.text.toString()
            if (name.isEmpty()) {
                Toast.makeText(this, "Please enter your name", Toast.LENGTH_SHORT).show()
            } else {
                // Perform login action
                Toast.makeText(this, "Welcome, $name", Toast.LENGTH_SHORT).show()
            }
        }

        forgotPasswordTextView.setOnClickListener {
            // Handle forgot password action
            Toast.makeText(this, "Forgot password clicked", Toast.LENGTH_SHORT).show()
        }
    }
}

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@android:style/Theme.Holo.Light">
        <activity
            android:name=".MainActivity"
            android:exported="true" > <!-- или false, в зависимости от твоих нужд -->
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

When building, an error occurs:

Manifest merger failed : uses-sdk:minSdkVersion 16 cannot be smaller than version 19 declared in library [com.google.android.material:material:1.12.0] C:\Users\antidote\.gradle\caches\8.13\transforms\df0ae31f5849b8ddc2231abbdf851cf6\transformed\material-1.12.0\AndroidManifest.xml as the library might be using APIs not available in 16
    Suggestion: use a compatible library with a minSdk of at most 16,
        or increase this project's minSdk version to at least 19,
        or use tools:overrideLibrary="com.google.android.material" to force usage (may lead to runtime failures)

although the Preview shows that the theme is loading priview How can I solve the problem without updating the theme to Material?

If I update min API in Gradle, then yes, the problem will go away, but I need support for older devices (I really need Android 4.0 support)