body{margin:0;overflow:hidden;background-color:#000;font-family:Inter,sans-serif}#app{width:100vw;height:100vh}canvas{display:block}#ui-layer{position:absolute;top:20px;left:20px;color:#fffc;pointer-events:none;-webkit-user-select:none;user-select:none}#instruction{font-size:14px;margin-bottom:5px;opacity:.7}#current-shape{font-size:24px;font-weight:700;text-transform:uppercase;letter-spacing:2px}