body{font-family:Helvetica Neue,Arial,sans-serif;margin:0;padding:0;background-color:#f5f5f5;color:#333}h1{text-align:center;color:#333;margin-bottom:20px}h2,h3{color:#444;margin:10px 0}.container{max-width:1200px;margin:0 auto;padding:20px}button{padding:8px 16px;margin:5px;background-color:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .3s;display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:36px}button:hover{background-color:#45a049}button:disabled{background-color:#ccc;cursor:not-allowed}.btnColorActive{background-color:#f08080}.media-controls{display:flex;flex-wrap:wrap;justify-content:center;margin:15px 0;padding:10px;background-color:#f0f0f0;border-radius:8px;align-items:center;gap:2px}.media-controls input{padding:8px 12px;margin-right:10px;border:1px solid #ddd;border-radius:4px;font-size:18px;width:200px}.media-controls label{margin-right:10px;font-weight:700;font-size:18px}.videos{gap:20px;margin-top:20px}.local-video,.remote-video-container{background-color:#2c2c2c;border-radius:10px;overflow:hidden;box-shadow:0 5px 15px #0003;position:relative;aspect-ratio:16 / 9;display:flex;flex-direction:column;transition:transform .25s ease-out,box-shadow .25s ease-out}.local-video video,.remote-video-container video{width:100%;height:100%;object-fit:cover;background-color:#1a1a1a}.local-video:hover,.remote-video-container:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 8px 20px #00000040}.local-video h3,.remote-video-container h3{position:absolute;bottom:0;left:0;right:0;background-color:#0009;color:#fff;padding:8px 12px;margin:0;text-align:center;font-size:14px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;border-bottom-left-radius:10px;border-bottom-right-radius:10px;z-index:1}.remote-videos{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}