*{box-sizing:border-box;margin:0;padding:0}html,body,#game{width:100%;height:100%}body{background:#287aa8;font-family:system-ui,sans-serif;overflow:hidden}canvas{display:block}#game{touch-action:none;-webkit-user-select:none;user-select:none}.joystick-base{pointer-events:none;z-index:10;background:#eaf2ff14;border:2px solid #eaf2ff80;border-radius:50%;width:120px;height:120px;display:none;position:fixed;transform:translate(-50%,-50%)}.joystick-thumb{background:#eaf2ff59;border-radius:50%;width:52px;height:52px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}