body{margin:0;font-family:Arial,sans-serif;background-color:#f4f4f4;display:flex;align-items:center;justify-content:center;height:100vh}.home h1{text-align:center}.layout-container{display:flex;width:95vw;height:90vh;background:transparent;border-radius:10px;box-shadow:0 4px 6px #0000001a;overflow:hidden}.video-section{width:70%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent}.video-container{width:100%;display:flex;align-items:center;justify-content:center}.video-player{width:90%;height:auto;max-height:90%;object-fit:contain;min-height:300px}.video-controls{display:flex;justify-content:center;align-items:center;gap:10px;background:#222;color:#fff;padding:10px;border-radius:5px;margin-top:10px;width:90%}.video-controls button{background:#444;border:none;color:#fff;padding:8px 12px;cursor:pointer;border-radius:3px;transition:background .2s}.video-controls button:hover{background:#666}.controls-container{width:30%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:#f8f8f8}.json-controls{display:flex;gap:10px;margin-bottom:10px}.json-controls button{background:#007bff;border:none;color:#fff;padding:5px 10px;cursor:pointer;border-radius:3px;transition:background .2s}.json-controls button:hover{background:#0056b3}.marker-list{list-style:none;padding:0;max-height:70vh;overflow-y:auto;width:100%;text-align:left;border:1px solid #ddd;background:#fff;border-radius:5px}.marker-list li{cursor:pointer;padding:10px;border-bottom:1px solid #ddd;background:#fff;display:flex;justify-content:space-between;transition:background .2s}.marker-list li:hover{background:#f0f0f0}.hearing-loss{font-weight:700;color:#006748}.invalid-item{background-color:#fcc!important;color:#900;font-weight:700}.json-errors{color:red;font-weight:700;margin-top:10px;padding:10px;background:#fee;border:1px solid #dd0000;border-radius:5px}.dash-controls{margin-top:10px;display:flex;gap:10px}.dash-controls input{padding:5px;width:250px;border:1px solid #ccc;border-radius:4px}.dash-controls button{background:#007bff;border:none;color:#fff;padding:5px 10px;cursor:pointer;border-radius:3px;transition:background .2s}.dash-controls button:hover{background:#0056b3}.upload-button{display:inline-block;background:#007bff;color:#fff;padding:5px 10px;border-radius:3px;cursor:pointer;transition:background .2s;position:relative;overflow:hidden}.upload-button input[type=file]{position:absolute;left:0;top:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-button:hover{background:#0056b3}