body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #111;
    color: white;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}

#config-box {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1;
    animation: fadeIn 1s ease-in-out;
}

#config-box input, #config-box button {
    margin: 5px;
    padding: 10px;
    font-size: 16px;
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

#config-box input:hover, #config-box button:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}