#player-container{margin-bottom:10px;width:100%;position:relative}.player-frame{display:none;width:100%;aspect-ratio:16 / 9;border:none}.player-frame.active{display:block}#player-tabs{display:flex;justify-content:flex-start}.player-tab{padding:10px 20px;cursor:pointer;background-color:#f0f0f0;border:1px solid #ccc;margin-right:5px;border-radius:5px}.player-tab.active{background-color:#007bff;color:white;border-color:#007bff;font-weight:bold;text-decoration:underline}