html,body,#app{height:100%;margin:0}.app{width:100vw;height:100vh;position:relative;overflow:hidden}.draw-canvas{display:block;width:100%;height:100%;background:#eee}.toolbar{position:absolute;top:12px;left:12px;max-width:100px;display:flex;flex-direction:column;justify-content:space-between;background:#ffffffe6;padding:0 10px;border-radius:6px;box-shadow:0 2px 8px #00000026}.hint{position:absolute;left:12px;bottom:12px;background:#ffffffe6;padding:6px 10px;border-radius:6px;font-size:13px;color:#666}