* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    touch-action: none;
}

body {
    background-color: black;
}

#canvas1 {
    background: black;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.control-container {
    height: 100%;
    position: absolute;
    top: 0;
    z-index: 1;
}

#c1 {left: 0;}
#c2 {right: 0;}

.control-panel {
    height: 100%;
    width: fit-content;
    padding: 0px 10px;
    padding-top: 1em;
    border: 4px solid cyan;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(15px);
    overflow-x: scroll;
    margin: 0;
    color: white;
    z-index: 1;
}

.control {
    padding: 0px 10px;
    margin-bottom: 10px;
}

.collapse-btn {
    background: none;
    border: none;
    position: absolute;
    white-space: pre;
    margin: 0;
    padding: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

#col {left: 100%;}
#col2 {right: 100%}

input.number{
    width: 5em;
}