mintris/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/black"
    android:fitsSystemWindows="true"
    tools:context=".MainActivity">

    <!-- Game Container with Glow -->
    <FrameLayout
        android:id="@+id/gameContainer"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_margin="16dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <com.mintris.game.GameView
            android:id="@+id/gameView"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

        <!-- Glowing Border -->
        <View
            android:id="@+id/glowBorder"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@drawable/glow_border" />
    </FrameLayout>
    
    <!-- Title Screen -->
    <com.mintris.game.TitleScreen
        android:id="@+id/titleScreen"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <!-- HUD Container - Score, Level, Lines -->
    <LinearLayout
        android:id="@+id/gameControlsContainer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        
        <LinearLayout
            android:id="@+id/hudContainer"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:layout_gravity="end"
            android:orientation="vertical">

            <TextView
                android:id="@+id/scoreText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/white"
                android:textSize="24sp"
                android:fontFamily="sans-serif-light"
                tools:text="Score: 0" />

            <TextView
                android:id="@+id/currentLevelText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/white"
                android:textSize="24sp"
                android:fontFamily="sans-serif-light"
                tools:text="Level: 1" />

            <TextView
                android:id="@+id/linesText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/white"
                android:textSize="24sp"
                android:fontFamily="sans-serif-light"
                tools:text="Lines: 0" />

            <TextView
                android:id="@+id/comboText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/white"
                android:textSize="24sp"
                android:fontFamily="sans-serif-light"
                tools:text="Combo: 0" />
        </LinearLayout>

        <!-- Next Piece Preview -->
        <com.mintris.game.NextPieceView
            android:id="@+id/nextPieceView"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_margin="16dp"
            android:layout_gravity="end" />
            
        <!-- Settings button -->
        <ImageButton
            android:id="@+id/pauseButton"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:layout_gravity="start"
            android:layout_margin="16dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/settings"
            android:padding="12dp"
            android:src="@drawable/ic_pause" />
    </LinearLayout>

    <!-- Game Over overlay -->
    <LinearLayout
        android:id="@+id/gameOverContainer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/black"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone">

        <TextView
            android:id="@+id/gameOverText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/game_over"
            android:textColor="@color/white"
            android:textSize="24sp"
            android:textStyle="bold" />

        <TextView
            android:id="@+id/finalScoreText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <Button
            android:id="@+id/playAgainButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:background="@color/transparent"
            android:text="@string/play"
            android:textColor="@color/white" />
    </LinearLayout>
    
    <!-- Settings Menu overlay -->
    <LinearLayout
        android:id="@+id/pauseContainer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/black"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/settings"
            android:textColor="@color/white"
            android:textSize="24sp"
            android:textStyle="bold"
            android:layout_marginBottom="32dp" />

        <Button
            android:id="@+id/pauseStartButton"
            android:layout_width="200dp"
            android:layout_height="wrap_content"
            android:background="@color/transparent"
            android:text="@string/start"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <Button
            android:id="@+id/resumeButton"
            android:layout_width="200dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:background="@color/transparent"
            android:text="@string/resume"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <Button
            android:id="@+id/pauseRestartButton"
            android:layout_width="200dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:background="@color/transparent"
            android:text="@string/restart"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <Button
            android:id="@+id/highScoresButton"
            android:layout_width="200dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:background="@color/transparent"
            android:text="@string/high_scores"
            android:textColor="@color/white"
            android:textSize="18sp" />
            
        <LinearLayout
            android:id="@+id/levelSelectorContainer"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:orientation="vertical"
            android:gravity="center">
            
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/select_level"
                android:textColor="@color/white"
                android:textSize="16sp"
                android:textStyle="bold" />
                
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:layout_marginTop="8dp">
                
                <Button
                    android:id="@+id/pauseLevelDownButton"
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:background="@color/transparent"
                    android:text="−"
                    android:textColor="@color/white"
                    android:textSize="24sp" />
                    
                <TextView
                    android:id="@+id/pauseLevelText"
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:gravity="center"
                    android:text="1"
                    android:textColor="@color/white"
                    android:textSize="24sp"
                    android:textStyle="bold" />
                    
                <Button
                    android:id="@+id/pauseLevelUpButton"
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:background="@color/transparent"
                    android:text="+"
                    android:textColor="@color/white"
                    android:textSize="24sp" />
            </LinearLayout>
        </LinearLayout>

        <Button
            android:id="@+id/settingsButton"
            android:layout_width="200dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:background="@color/transparent"
            android:text="@string/sound_on"
            android:textColor="@color/white"
            android:textSize="18sp" />

        <ImageButton
            android:id="@+id/musicToggle"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:layout_marginEnd="16dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:contentDescription="@string/toggle_music"
            android:padding="12dp"
            android:src="@drawable/ic_volume_up"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/pauseStartButton"
            app:layout_constraintTop_toTopOf="parent" />
    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>