html,body{color:#fff;background:#000;width:100%;height:100%;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;overflow:hidden}#app{background:#000;width:100vw;height:100vh;position:relative}video#player{object-fit:contain;background:#000;width:100%;height:100%}.overlay{z-index:10;letter-spacing:.04em;text-transform:uppercase;align-items:center;gap:12px;padding:16px;font-size:12px;display:flex;position:absolute}.top-left{top:0;left:0}.top-right{top:0;right:0}#fullscreen-btn{color:#fff;cursor:pointer;background:#00000080;border:1px solid #fff9;padding:6px 10px}#fullscreen-btn:hover{background:#ffffff26}