body{margin:0;background:#0f0f1e;color:#fff;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overscroll-behavior:none;overflow:hidden}#container{position:fixed;inset:0;width:100%;height:100%}#container canvas{display:block;width:100%;height:100%}#variant-bar{position:fixed;top:20px;left:50%;transform:translate(-50%);display:flex;gap:10px;z-index:20}.variant-btn{padding:10px 22px;border:1px solid rgba(255,255,255,.25);border-radius:8px;background:#0000008c;color:#fff;font-size:14px;font-weight:600;letter-spacing:.03em;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .2s ease,border-color .2s ease}.variant-btn:hover{background:#000000bf;border-color:#ffffff73}.variant-btn.active{background:#0096ff59;border-color:#0096ff}#loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0f0f1e;font-size:18px;letter-spacing:.04em;z-index:10;transition:opacity .4s ease;pointer-events:none}#loading.hidden{opacity:0}