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

#game-container {
    position: relative;
    box-shadow: 0 0 20px rgba(0, 100, 255, 0.5);
    border: 2px solid #334455;
}

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

/* Retro CRT Effect Overlay */
#scanline-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.2)
    );
    background-size: 100% 4px;
    z-index: 10;
}

/* Simulate the blue cellophane overlay of the original cabinet */
#game-container::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 50, 255, 0.15);
    pointer-events: none;
    z-index: 5;
    mix-blend-mode: screen;
}

#ui-layer {
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    z-index: 20;
    font-size: 20px;
    text-shadow: 0 0 5px #fff;
}