html,
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #05070d;
    color: white;
    font-family: Arial, sans-serif;
}

canvas {
    width: 100vw;
    height: 100vh;
    display: block;
}

.panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 300px;
    padding: 18px;
    background: rgba(10, 14, 24, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
}

.panel h1 {
    font-size: 18px;
    margin: 0 0 16px;
}

label {
    display: block;
    margin-bottom: 16px;
    font-size: 14px;
}

input,
select {
    width: 100%;
    margin-top: 7px;
}

span {
    display: block;
    margin-top: 5px;
    color: #9fb3c8;
    font-size: 13px;
}

p {
    margin: 10px 0 0;
    font-size: 14px;
}

.controls-info {
    margin-bottom: 26px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
}

.controls-info h2 {
    font-size: 15px;
    margin: 0 0 10px;
    color: white;
}

.controls-info p {
    margin: 3px 0;
    font-size: 12px;
    line-height: 1.25;
    color: #9fb3c8;
}

.controls-info b {
    color: white;
}