.controls-info,.copyright-info{position:fixed;bottom:20px;font-size:13px}body{background-color:#000;height:100vh;margin:0;overflow:hidden;position:relative}.controls-info{right:20px;background-color:rgba(68,68,68,.9);color:#fff;padding:10px 15px;border-radius:8px;font-family:Arial,sans-serif;line-height:1.4;max-width:300px;z-index:10;cursor:move;box-shadow:0 2px 6px rgba(0,0,0,.4)}.controls-info ul{margin:0;padding-left:20px;list-style:none}.copyright-info,.left-button button,.right-button button{color:#fff;padding:8px 12px;font-family:Arial,sans-serif}.controls-info li{margin-bottom:5px}.controls-info .key{display:inline-block;background-color:#222;padding:2px 6px;border-radius:3px;margin-right:5px;font-family:monospace;font-weight:700}.top-bar{position:fixed;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;z-index:10}.left-button button,.right-button button{background-color:#444;text-decoration:none;border:none;border-radius:5px;cursor:pointer}.left-button button:hover,.right-button button:hover{background-color:#666}.controls-info{display:none}.copyright-info{left:20px;background-color:rgba(0,0,0,.7);border-radius:5px;z-index:1000}