body {
    margin: 0;
    overflow: hidden;
    font-family: sans-serif;
    background-color: #222;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
}

#container {
    width: 100%;
    flex-grow: 1; /* Take remaining height */
    position: relative;
}

canvas {
    display: block;
}

#controls {
    padding: 10px;
    background-color: #333;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
}

button {
    padding: 10px 20px;
    margin: 5px;
    font-size: 16px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
}

button:hover {
    background-color: #45a049;
}

button:disabled {
    background-color: #aaa;
    cursor: not-allowed;
}