body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #1a1a1a;
    font-family: Arial, sans-serif;
}

#gameContainer {
    position: relative;
}

canvas {
    border: 2px solid #333;
    background-color: #000;
}

#statsButton {
    position: absolute;
    top: 10px;
    right: 120px;
    z-index: 10;
}

#statsPopup {
    position: absolute;
    top: 40px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 10px;
    border-radius: 4px;
    font-size: 12px;
    display: none;
    min-width: 120px;
}