body {
    background-color: #111;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

#game-container {
    position: relative;
    border: 4px solid #444;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

canvas {
    background-color: #000;
    display: block;
}

#ui-layer {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    font-size: 20px;
    font-weight: bold;
    pointer-events: none;
}