#bird-exit-bar{position:fixed;left:0;right:0;bottom:0;height:130px;pointer-events:none;background:linear-gradient(to top,#0000009e,#0000008f 18%,#0000006b 40%,#00000038 65%,#00000014 85%,#0000);z-index:40;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s}#bird-exit-btn{position:fixed;left:50%;bottom:calc(18px + env(safe-area-inset-bottom,0px));padding:10px 26px;font-size:clamp(11px,3.2vw,15px);z-index:1500;opacity:0;visibility:hidden;transform:translate(-50%) translateY(8px);transition:opacity .25s ease,transform .25s ease,visibility .25s}body.bird-exit-shown #bird-exit-bar{opacity:1;visibility:visible}body.bird-exit-shown #bird-exit-btn{opacity:1;visibility:visible;transform:translate(-50%)}#bird-exit-btn:active{transform:translate(-50%) scale(.96)}body.battle-open #bird-exit-bar,body.battle-open #bird-exit-btn,body.ui-open #bird-exit-bar,body.ui-open #bird-exit-btn{opacity:0;visibility:hidden;pointer-events:none}