*{box-sizing:border-box}
html,body{margin:0;background:#062d60;color:white;font:14px Arial,sans-serif}
main{width:100%}
video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#062d60}
.sound-bar{height:48px;display:flex;align-items:center;justify-content:center;gap:14px;padding:2px 8px}
button{min-height:44px;padding:0 14px;border:0;border-radius:6px;background:#fff;color:#103f7a;font:600 14px Arial,sans-serif;cursor:pointer}
button:focus-visible{outline:3px solid #ffdf70;outline-offset:-3px}
#status{font-size:12px;color:#d7e8ff}