:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.sender-container{max-width:100%;padding:16px;display:flex;flex-direction:column;align-items:center;gap:16px}.video-container{width:100%;max-width:480px;position:relative;background-color:#000;aspect-ratio:4/3;border-radius:8px;overflow:hidden}.video-container video{width:100%;height:100%;object-fit:cover}.controls{width:100%;max-width:480px;display:flex;flex-direction:column;gap:16px}.camera-select{display:flex;align-items:center;gap:8px}.camera-select select{flex:1;padding:8px;border-radius:4px}.action-buttons{display:flex;justify-content:center;gap:16px}.start-btn,.stop-btn{padding:12px 24px;border-radius:4px;border:none;font-weight:700;cursor:pointer}.start-btn{background-color:#4caf50;color:#fff}.stop-btn{background-color:#f44336;color:#fff}.receiver-container{max-width:100%;padding:16px;display:flex;flex-direction:column;align-items:center;gap:16px}.video-container{width:100%;max-width:480px;position:relative;background-color:#000;aspect-ratio:16/9;border-radius:8px;overflow:hidden}.video-container video{width:100%;height:100%;object-fit:contain}.video-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#fff;background-color:#000000b3}.status-container{width:100%;max-width:480px}.status{text-align:center;padding:8px;border-radius:4px;background-color:#f0f0f0;margin:0}.status.error{background-color:#fdd;color:red}.controls{display:flex;gap:16px;justify-content:center}.control-btn{padding:12px 24px;border-radius:4px;border:none;font-weight:700;cursor:pointer}.control-btn:disabled{opacity:.5;cursor:not-allowed}.play-btn{background-color:#4caf50;color:#fff}.fullscreen-btn{background-color:#2196f3;color:#fff}