#tts-control{position:absolute;display:none;width:42px;height:42px;border-radius:50%;text-align:center;line-height:42px;font-size:18px;cursor:pointer;z-index:99999;opacity:0;transform:scale(.85);transition:.2s}
#tts-control.show{display:block;opacity:1;transform:scale(1)}
#tts-bar{position:fixed;top:0;left:0;right:0;height:44px;color:#fff;display:none;align-items:center;gap:12px;padding:0 16px;z-index:999999}
#tts-bar.active{display:flex}
#tts-bar button{background:none;border:none;color:#fff;font-size:16px;cursor:pointer}
#tts-progress{flex:1;height:4px;background:rgba(255,255,255,.25);border-radius:2px;overflow:hidden}
#tts-progress span{display:block;height:100%;width:0}