:root{--topbar-h: 50px;--tools-h: 46px}body{margin:0;background:#000;overflow:hidden}#app{height:100vh;box-sizing:border-box}#toolPalette{position:fixed;top:var(--topbar-h);left:0;right:0;height:var(--tools-h);display:flex;align-items:center;gap:8px;padding:0 10px;z-index:1400;background:#191919eb;border-bottom:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.toolBtn{height:32px;padding:0 10px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#fff;cursor:pointer;font-weight:700;font-family:system-ui,sans-serif}.toolBtn:hover{background:#ffffff1a}.toolBtn.active{background:#2ecc7138;border-color:#2ecc7173}#palette,#palette2D,#leftPalette,#toolsLeft,#sidebarTools,.palette,.palette-vertical,.tools-vertical,.left-palette,.sidebar-tools,#elementPalette{display:none!important}html,body{height:100%}#app{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr;gap:0;padding-top:calc(var(--topbar-h) + var(--tools-h))}#editor2D,#viewer3D{position:relative;overflow:hidden;height:100%}#viewer3D,#editor2D{pointer-events:auto}html,body{margin:0;padding:0;height:100%;width:100%;overflow:hidden}#app{position:fixed;inset:0}#editor2D,#viewer3D{position:absolute}button{font-family:system-ui,sans-serif}