:root{--bg-color: #000}body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:var(--bg-color, #000)}canvas{display:block;width:100%;height:100%;touch-action:none}.fab-container{position:fixed;right:24px;bottom:24px;z-index:10;pointer-events:none}.fab-container md-fab{pointer-events:auto}.fab-container--left{left:24px;right:auto}.fab-link{text-decoration:none}md-dialog form{display:flex;flex-direction:column;gap:16px}.color-input-row{display:flex;gap:12px;flex-wrap:wrap}.color-field{display:flex;flex-direction:column;font-size:.8rem;gap:4px;color:#555}.color-field input[type=color]{width:64px;height:32px;border:none;padding:0;background:transparent;cursor:pointer}