:root{font-family:Arial,Helvetica,sans-serif;color:#fff;background:#000;color-scheme:dark;font-size:23px}
*{box-sizing:border-box}body{margin:0;width:600px;height:600px;overflow:hidden;background:#000}
#viewport,canvas{position:absolute;inset:0;width:600px;height:600px}canvas{display:block}
#overlay{position:relative;width:600px;height:600px;padding:24px 28px;display:flex;flex-direction:column;pointer-events:none}
header{display:flex;justify-content:space-between;font-size:21px;letter-spacing:2px;font-weight:700}header span{letter-spacing:1px;font-size:18px}
p{margin:10px 0;line-height:1.22}#status{color:#7bffdf;min-height:54px;margin:12px 0 4px}h1{font-size:36px;margin:4px 0 12px}.small,footer{font-size:19px;line-height:1.22;color:#c9d4d2}
button,select{pointer-events:auto;font:inherit;color:#fff;background:#121e1d;border:2px solid #7bffdf;border-radius:10px;min-height:82px;padding:10px 15px;cursor:pointer}button:disabled{color:#888;border-color:#666;cursor:default}.secondary{border-color:#abb}
button:focus,select:focus{outline:4px solid #fff;outline-offset:3px;background:#21453e}.row{display:flex;gap:14px;margin:14px 0 12px}.row button{flex:1}#xr{width:100%;min-height:62px}#capability{margin:8px 0 0;font-size:17px}
#active{flex:1;display:flex;flex-direction:column}#hint{font-size:21px}nav{display:flex;gap:14px;margin-top:auto}nav button{flex:1;padding:10px 8px}#metrics{min-height:24px;margin:8px 0;font-size:17px}
#settings{display:flex;align-items:center;gap:14px;font-size:18px}select{min-height:44px;font-size:19px;padding:3px 6px}footer{margin-top:auto;padding-top:10px;font-size:17px}[hidden]{display:none!important}
:xr-overlay{background:transparent}#overlay:has(#active:not([hidden])) #status{max-width:540px}
#fov{min-height:44px;font-size:19px;padding:3px 10px}
.compact{min-height:44px;font-size:18px;padding:6px 10px}#open-beta{width:100%;margin-top:8px}
#beta-setup label{display:block;font-size:19px;margin-top:12px}#beta-code{pointer-events:auto;width:100%;font:inherit;background:#121e1d;color:white;border:1px solid #7bffdf;padding:12px;margin-top:8px;border-radius:8px}#beta-file{pointer-events:auto;display:block;font-size:17px;margin-top:8px;max-width:100%}
#beta-nav .row{margin:4px 0;gap:8px}#beta-nav button{flex:1}#beta-expiry{font-size:15px;margin:4px 0}#beta-name{font-size:17px;margin:4px 0;color:#7bffdf}
#overlay:has(#beta-nav:not([hidden])) #status{min-height:28px;font-size:18px}#overlay:has(#beta-nav:not([hidden])) #hint{font-size:17px;margin:4px 0}