body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#1e1e1e;color:#fff}header{background-color:#333;padding:1rem;display:flex;justify-content:space-between;align-items:center}h1{margin:0;font-size:1.5rem}main{padding:1rem;display:grid;grid-template-columns:1fr 1fr;gap:1rem}section{background-color:#2a2a2a;padding:1rem;border-radius:5px;margin-bottom:1rem}h2{margin-top:0;font-size:1.2rem}#preview-program{display:flex;justify-content:space-between;flex-wrap:stretch}#preview-program>div{flex:1;margin:10px;flex-grow:1;flex-shrink:1}#pvw,#pgm{width:100%}.preview-container{background-color:#000;aspect-ratio:16 / 9;margin-bottom:1rem}.controls{display:flex;justify-content:space-between}#picture-in-picture{margin-left:10px;height:20vh}#pip-layouts{display:flex;flex-wrap:wrap;gap:.5rem}#video-sources{display:flex;flex-direction:column}#source-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.add-source{aspect-ratio:16 / 9;background-color:#3a3a3a;border:1px dashed #555;display:flex;align-items:center;justify-content:center;cursor:pointer}#audio-mixer{display:flex;background-color:#1a1a1a;padding:1rem;border-radius:5px}#audio-channels{display:flex;justify-content:space-between;align-items:flex-end;height:200px}.audio-channel{display:flex;flex-direction:column;align-items:center;width:60px}.audio-channel-name{font-size:.8rem;text-align:center;margin-bottom:.5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.audio-level{width:30px;height:150px;background-color:#333;position:relative;margin-bottom:.5rem}.audio-level-fill{position:absolute;bottom:0;width:100%;background-color:#4caf50;transition:height .1s}.audio-channel input[type=range]{width:150px;transform:rotate(-90deg) translate(-60px);transform-origin:left;margin-bottom:75px}.audio-channel button{width:100%;padding:.3rem;font-size:.8rem;margin-top:.5rem}#audio-video-sync{margin-top:1rem}#function-area{grid-column:1 / -1;display:flex;gap:1rem}button{background-color:#4caf50;border:none;color:#fff;padding:.5rem 1rem;text-align:center;text-decoration:none;display:inline-block;font-size:14px;margin:4px 2px;cursor:pointer;border-radius:3px;transition:background-color .3s}button:hover{background-color:#45a049}#connection-status{font-size:.9rem}#ws-status{font-weight:700}#ws-status.connected{color:#4caf50}#ws-status.disconnected{color:#f44336}#current-time{font-size:1.2rem;font-weight:700}@media (max-width: 1200px){main{grid-template-columns:1fr}#preview-program{flex-direction:column}#pvw,#pgm{width:100%;margin-bottom:1rem}#source-grid{grid-template-columns:repeat(2,1fr)}#audio-channels{flex-wrap:wrap;height:auto}.audio-channel{margin-bottom:1rem}}@media (max-width: 768px){#audio-channels{justify-content:center}.audio-channel{margin:0 .5rem 1rem}}