html,body{height:100%;margin:0;background-color:#0f1115;color:#eee;user-select:none;-webkit-tap-highlight-color:rgba(0,0,0,0);font-family:"JetBrains Mono",monospace;overflow-x:hidden;overflow-y:auto}body::-webkit-scrollbar{display:none}body{-ms-overflow-style:none;scrollbar-width:none}#stage{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden;background:radial-gradient(ellipse 140% 100% at 50% 0%, rgba(120, 160, 220, 0.12), transparent 55%),radial-gradient(ellipse 100% 80% at 50% 100%, rgba(40, 35, 55, 0.5), transparent 50%),linear-gradient(165deg, #12141c 0%, #0a0b10 45%, #0f1118 100%)}#stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;image-rendering:auto;will-change:transform;transform:translateZ(0)}.control-btn{position:fixed;top:12px;z-index:1000;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;background:none;border:none;cursor:pointer}.control-btn:active{cursor:grabbing}#rotate-btn{right:12px;width:56px;height:56px;border-radius:14px;backdrop-filter:none;background:none;box-shadow:none}