body{margin:0;padding:0;overflow:hidden;background-color:#bfe3dd;color:#000}canvas{display:block;position:absolute;top:0;left:0}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffe6;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000}.spinner{border:4px solid rgba(0,0,0,.1);border-left-color:#000;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}