body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: 'Arial', sans-serif;
    background-color: #000; /* Black background */
    color: #FFA500; /* Retro amber color */
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#controls {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.8); /* Slightly transparent black */
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

h1 {
    margin-top: 0;
    font-size: 24px;
    color: #FFA500; /* Retro amber color */
}

label {
    display: inline-block;
    width: 150px;
    margin-bottom: 10px;
}

input[type="range"] {
    width: 150px;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #FFA500; /* Retro amber color */
    color: black;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #FF8C00; /* Darker retro amber color */
}

/* CRT effect */
canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0.1), rgba(0,0,0,1));
    image-rendering: pixelated;
    filter: contrast(1.2) saturate(1.3) blur(0.2px);
    opacity: 0.95;
}