body {
    background: #222;
    color: #f7f7f7;
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    margin-top: 20px;
    margin-bottom: 10px;
}

#gameCanvas {
    background: #111;
    display: block;
    margin: 0 auto;
    border: 3px solid #44ff99;
    box-shadow: 0 0 16px #44ff99AA;
}

#pause-indicator {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fffa;
    font-size: 2.5em;
    background: #000a;
    padding: 15px 40px;
    border-radius: 10px;
    display: none;
    pointer-events: none;
}