*{margin:0;padding:0;box-sizing:border-box}
:root{color-scheme:dark}
html,body{width:100%;height:100%;overflow:hidden;background:transparent!important;background-color:transparent!important;color-scheme:dark;font-family:'Inter',system-ui,-apple-system,sans-serif}
#vc{width:100%;height:100%;position:relative;touch-action:none;user-select:none;cursor:grab;overflow:hidden;background:transparent!important}
#vc canvas{background:transparent!important;background-color:transparent!important}
#vc:active{cursor:grabbing}
#vc canvas{display:block;width:100%!important;height:100%!important;outline:none}
#loader{display:none!important}
.gpu-warn{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);z-index:101;background:rgba(0,0,0,0.8);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.06);border-radius:10px;padding:10px 20px;text-align:center;opacity:0;pointer-events:none;transition:opacity 0.4s}
.gpu-warn.show{opacity:1}
.gpu-warn span{font-size:11px;color:rgba(255,255,255,0.5)}
.gpu-warn strong{color:#f59e0b}