:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#152e49;background:#f0f3f7;color-scheme:light}*{box-sizing:border-box}body{margin:0}main{max-width:1440px;margin:auto;padding:16px}header,footer,.toolbar,form{display:flex;align-items:center;gap:16px;flex-wrap:wrap}header{justify-content:space-between}h1{font-size:24px;margin:4px 0 18px}label{display:flex;align-items:center;gap:8px}input,select,button{font:inherit;border:1px solid #bdc9d6;border-radius:6px;padding:10px;min-height:44px}button{background:white;color:inherit;cursor:pointer}button:disabled{opacity:.45;cursor:default}#connect{background:#1664cf;color:white}#token{width:320px}.toolbar{margin:14px 0}#screen{background:#101b29;border-radius:8px;height:calc(100vh - 230px);min-height:240px;overflow:hidden}video{width:100%;height:100%;object-fit:contain;touch-action:none;outline-offset:-3px}footer{justify-content:space-between;padding-top:12px}.keys{display:flex;gap:8px}#metrics{font-variant-numeric:tabular-nums}input[type=checkbox]{min-height:0}@media(max-width:600px){main{padding:10px}#token{width:200px}#screen{height:55vh}.toolbar{gap:8px}}