:root{--ultra-dark-blue: #090f29;--dark-blue: #0b1333;--blue: #719fff;--light-purple: #e1e3fc;--yellow: #f7ed69;--white: #ffffff;--ultra-light-grey: #f8f8f8;--light-grey: #dbdbdb;--grey: #b6b6b6;--dark-grey: #6d6d6d;--ultra-dark-grey: #494949;--bg: var(--ultra-dark-blue);--panel: var(--dark-blue);--panel-2: #141c40;--border: #283163;--text: var(--white);--muted: #9aa1c9;--accent: var(--yellow);--accent-hover: #fbf48f;--accent-contrast: var(--dark-blue);--blue-accent: var(--blue);--blue-soft: rgba(113, 159, 255, .16);--danger: #f2616b;--ok: #5bd18b;--font-primary: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-secondary: "Space Grotesk", "DM Sans", system-ui, sans-serif;font-family:var(--font-primary)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;width:100%;background:var(--bg);color:var(--text);overflow:hidden}button{font-family:inherit;cursor:pointer}.login-wrap{height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#16205a 0%,var(--bg) 62%)}.login-card{width:340px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:32px 28px;box-shadow:0 20px 60px #00000080}.login-card h1{margin:0 0 4px;font-size:22px}.login-card .brand{color:var(--blue-accent)}.login-card p{margin:0 0 22px;color:var(--muted);font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:520px;width:100%;max-height:90vh;overflow-y:auto}.modal-card h2{margin:0 0 8px;font-size:1.2rem}.invite-created{margin-top:16px;padding:12px;background:var(--panel-2);border-radius:8px;border:1px solid var(--border)}.invite-list{list-style:none;padding:0;margin:0}.invite-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;color:var(--muted)}input,select{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:9px 10px;border-radius:8px;font-size:13px;outline:none}input:focus,select:focus{border-color:var(--blue-accent);box-shadow:0 0 0 2px var(--blue-soft)}.btn{background:var(--accent);border:none;color:var(--accent-contrast);padding:10px 14px;border-radius:8px;font-size:13px;font-weight:700;width:100%}.btn:hover{background:var(--accent-hover)}.btn.secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--text);width:auto}.btn.secondary:hover{border-color:var(--blue-accent);background:var(--panel)}.btn.danger{background:transparent;border:1px solid var(--danger);color:var(--danger);width:auto}.error{color:var(--danger);font-size:12px;margin:-6px 0 12px}.simplify-slider{width:100%;padding:0;accent-color:var(--blue-accent)}.simplify-toggle{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;color:var(--text);cursor:pointer}.simplify-toggle input{width:auto;accent-color:var(--blue-accent)}.app{display:grid;grid-template-columns:240px 1fr 320px;grid-template-rows:60px 1fr;grid-template-areas:"top top top" "left center side";height:100%}.topbar{grid-area:top;display:flex;align-items:center;gap:12px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar .logo{font-weight:700}.topbar .logo span{color:var(--blue-accent)}.topbar .spacer{flex:1}.topbar .brand-logo{height:60px;width:auto;margin-left:6px;mix-blend-mode:screen;pointer-events:none;-webkit-user-select:none;user-select:none}.topbar .layout-name{color:var(--muted);font-size:13px}.collab-indicator{color:var(--accent);font-size:12px;font-weight:600}.collab-reconnect{color:var(--muted);font-size:12px;font-style:italic}.save-form{display:flex;align-items:center;gap:6px}.left-panel{grid-area:left;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.side-panel{grid-area:side;background:var(--panel);border-left:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;min-height:0}.side-pane{min-height:0}.side-pane--properties{flex:0 1 auto;max-height:50%;overflow-y:auto}.side-pane--layout{flex:0 0 auto;display:flex;flex-direction:column;overflow:hidden}.side-pane--layout.open{min-height:120px}.panel-splitter{flex:0 0 auto;height:8px;cursor:row-resize;background:var(--panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border);position:relative;touch-action:none}.panel-splitter:before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:3px;border-radius:2px;background:var(--border);transition:background .12s ease}.panel-splitter:hover:before,.panel-splitter:active:before{background:var(--blue-accent)}.side-pane--aux{flex:1 1 auto;min-height:0;overflow-y:auto}.side-pane--layout .section--layout{display:flex;flex-direction:column;min-height:0;flex:1 1 auto}.tree-list.layout-tree-list{flex:1 1 auto;max-height:none;min-height:0;overflow-y:auto}.collapsible-header{display:flex;align-items:center;gap:6px;width:100%;padding:0;margin:0 0 10px;background:none;border:none;color:inherit;text-align:left;cursor:pointer}.collapsible-header .collapsible-title{margin:0;font-family:var(--font-secondary);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.collapsible-header:hover .collapsible-title{color:var(--text)}.collapsible-group-toggle{display:flex;align-items:center;gap:6px;flex:1;min-width:0;padding:0;background:none;border:none;color:inherit;text-align:left;cursor:pointer}.collapsible-group-toggle .tree-group-title{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.collapsible-group-toggle:hover .tree-group-title{color:var(--blue-accent)}.collapse-chevron{flex-shrink:0;color:var(--muted);transition:transform .15s ease}.collapse-chevron.open{transform:rotate(90deg)}.check-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);width:auto!important;flex:1;justify-content:flex-end}.linkish{background:none;border:none;color:var(--blue-accent);cursor:pointer;padding:0;font:inherit;text-decoration:underline}.center{grid-area:center;position:relative}.canvas-host{position:absolute;top:0;right:0;bottom:0;left:0}.toolbar{display:flex;gap:6px;padding:8px;flex-wrap:wrap;border-bottom:1px solid var(--border)}.tool-btn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:12px;flex:1;min-width:64px}.tool-btn.active{border-color:var(--blue-accent);background:var(--blue-soft);color:var(--white)}.section{padding:12px;border-bottom:1px solid var(--border)}.section h3{margin:0 0 10px;font-family:var(--font-secondary);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.row label{font-size:12px;color:var(--muted);width:86px;flex-shrink:0}.row input,.row select{flex:1;width:100%}.note-input{width:100%;min-height:4.5em;resize:vertical;font:inherit;color:inherit;background:var(--panel-2);border:1px solid var(--border);border-radius:4px;padding:6px 8px}.xyz{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.xyz input{width:100%}.floor-size-linked{display:flex;align-items:flex-end;gap:6px;margin-bottom:8px}.floor-size-field{flex:1;min-width:0}.floor-size-field label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.floor-size-field input{width:100%}.aspect-lock-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:28px;height:28px;margin-bottom:1px;padding:0;border:1px solid var(--border);border-radius:6px;background:var(--panel-2);color:var(--muted);cursor:pointer}.aspect-lock-btn:hover{border-color:var(--blue-accent);color:var(--text)}.aspect-lock-btn.locked{border-color:var(--blue-accent);background:var(--blue-soft);color:var(--white)}.axis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:8px}.axis-input{display:flex;align-items:stretch;gap:0;border-radius:6px;overflow:hidden}.axis-btn{color:#fff;font-size:11px;font-weight:700;border:none;padding:0 8px;min-width:30px;background:var(--axis, #555);display:flex;align-items:center;justify-content:center;transition:filter .12s ease}.axis-btn:hover{filter:brightness(1.15)}.axis-btn:active{filter:brightness(.9)}.axis-input input{flex:1;width:100%;min-width:0;border-radius:0;border-left:none}.hint{font-size:11px;color:var(--muted);line-height:1.5}.lib-tree{padding:8px 0}.lib-folder{font-size:13px}.lib-folder-row{display:flex;align-items:center;gap:6px;padding:4px 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transparent;-webkit-user-select:none;user-select:none}.tree-row:hover{background:var(--panel-2)}.tree-row.selected{background:var(--blue-soft);border-left-color:var(--blue-accent)}.tree-row.hidden-object{opacity:.45}.tree-row.hidden-object .tree-label{color:var(--muted)}.tree-row.child{padding-left:22px;color:var(--muted)}.tree-row.child.selected{color:var(--text)}.tree-row .ic{width:14px;text-align:center;color:var(--blue-accent);flex-shrink:0}.tree-collapse-btn{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;padding:0;margin:0;border:none;background:transparent;color:var(--muted);cursor:pointer;flex-shrink:0}.tree-collapse-btn:hover{color:var(--text)}.tree-collapse-spacer{width:16px;flex-shrink:0}.tree-row .tree-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-row .tree-meta{font-size:10px;color:var(--muted);flex-shrink:0}.tree-group-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}.tree-group-header h3.tree-group-title{margin:0;font-size:13px;font-weight:600}.measure-tree .measure-row{align-items:flex-start}.measure-tree-label{display:flex;flex-direction:column;gap:2px;min-width:0}.measure-tree-stats{font-size:10px;color:var(--muted);line-height:1.35;white-space:normal}.measure-label{background:#090f29e0;border:1px solid var(--blue-accent);border-radius:4px;padding:4px 8px;font-family:var(--font-secondary);font-size:11px;line-height:1.35;color:var(--text);white-space:nowrap;box-shadow:0 1px 4px #00000059}.measure-label.selected{border-color:#f7ed69}.measure-label .measure-dist{margin-top:2px;padding-top:2px;border-top:1px solid rgba(113,159,255,.35);font-weight:600;color:#f7ed69}.note-label{background:#090f29e0;border:1px solid var(--blue-accent);border-radius:4px;padding:4px 8px;font-family:var(--font-secondary);font-size:11px;line-height:1.35;color:var(--text);box-shadow:0 1px 4px #00000059;display:flex;align-items:center;justify-content:center}.note-label.selected{border-color:#f7ed69}.note-label.note-label--text{align-items:flex-start;justify-content:flex-start;box-sizing:border-box}.note-label-symbol{display:flex}.note-label-text{width:100%;white-space:pre-wrap;word-break:break-word}.primitive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.primitive-btn{display:flex;align-items:center;justify-content:center;padding:8px;min-width:0}.color-row input[type=color]{width:40px;height:32px;padding:2px;border:1px solid var(--border);border-radius:4px;background:var(--panel);cursor:pointer}.color-row input[type=color]::-webkit-color-swatch-wrapper{padding:0}.color-row input[type=color]::-webkit-color-swatch{border:none;border-radius:2px}.wall-point-controls{display:flex;gap:4px;pointer-events:auto;transform:translateY(-6px);-webkit-user-select:none;user-select:none}.wall-point-btn{width:22px;height:22px;padding:0;border:1px solid var(--border);border-radius:4px;background:#090f29eb;color:var(--text);font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.wall-point-btn:hover:not(:disabled){border-color:var(--blue-accent);color:var(--blue-accent)}.wall-point-btn:disabled{opacity:.35;cursor:default}.wall-point-btn--minus{font-weight:600}.muted{color:var(--muted);font-size:12px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border:1px solid var(--border);border-radius:6px;margin-bottom:6px;font-size:12px;background:var(--panel-2)}.iconbtn{background:transparent;border:none;color:var(--muted);font-size:14px;padding:2px 6px;border-radius:4px}.iconbtn:hover{color:var(--text);background:var(--border)}.eyebtn{display:flex;align-items:center;justify-content:center;padding:2px 4px;flex-shrink:0}.eyebtn.off{color:var(--muted);opacity:.55}.eyebtn:hover{color:var(--blue-accent);opacity:1}.eye-icon{display:block}.viewport-toolbar{position:absolute;left:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;padding:6px;background:#0b1333c7;border:1px solid var(--border);border-radius:12px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:5;max-height:calc(100% - 24px)}.vp-toolbar-divider{height:1px;margin:2px 4px;background:var(--border);flex-shrink:0}.vp-toolbar-bottom{margin-top:auto;padding-top:6px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.vp-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease}.vp-btn:hover{border-color:var(--blue-accent);background:var(--blue-soft)}.vp-btn.active{border-color:var(--blue-accent);background:var(--blue-soft);color:var(--white)}.vp-help{position:relative;display:flex}.vp-help-popup{position:absolute;left:calc(100% + 10px);bottom:0;width:270px;background:#0b1333f5;border:1px solid var(--border);border-radius:12px;padding:12px 14px;box-shadow:0 16px 40px #00000080;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:20}.vp-help-title{font-family:var(--font-secondary);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px}.vp-help-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}.vp-help-list li{display:flex;align-items:center;gap:10px;font-size:12px}.vp-help-keys{display:inline-flex;align-items:center;flex-shrink:0;width:96px}.vp-help-plus{color:var(--muted);font-size:10px;margin:0 3px}.vp-help-label{color:var(--text);line-height:1.3}.poly-total{font-family:var(--font-secondary);font-size:22px;font-weight:700;color:var(--blue-accent);line-height:1.1}.poly-total span{font-size:12px;font-weight:500;color:var(--muted);margin-left:5px}.vp-help kbd{font-family:var(--font-secondary);font-size:10px;line-height:1;color:var(--white);background:var(--panel-2);border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:3px 5px;white-space:nowrap}.view-nav{position:absolute;left:12px;bottom:120px;display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:6px;background:#0b1333c7;border:1px solid var(--border);border-radius:12px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:5}.view-nav-btn{min-width:46px;padding:6px 8px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font-secondary);font-size:11px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background .12s ease,border-color .12s ease}.view-nav-btn:hover{border-color:var(--blue-accent);background:var(--blue-soft)}.drag-hud{position:fixed;z-index:30;pointer-events:none;background:#0b1333eb;border:1px solid var(--blue-accent);border-radius:7px;padding:4px 9px;font-family:var(--font-secondary);font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--white);white-space:nowrap;box-shadow:0 6px 18px #00000073}.marquee-host{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;cursor:crosshair;touch-action:none}.marquee-rect{position:absolute;border:1px solid var(--blue-accent);background:var(--blue-soft);pointer-events:none}.vp-btn:disabled{opacity:.4;cursor:default}.vp-btn:disabled:hover{border-color:var(--border);background:var(--panel-2)}.drop-hint{position:absolute;top:12px;left:50%;transform:translate(-50%);background:var(--accent);color:var(--accent-contrast);font-weight:600;padding:6px 14px;border-radius:20px;font-size:12px;pointer-events:none}.statusbar{position:absolute;bottom:10px;left:10px;background:#0b1333d9;border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-family:var(--font-secondary);font-size:12px;letter-spacing:.02em;color:var(--muted);pointer-events:none;display:flex;flex-direction:column;gap:6px;min-width:280px}.statusbar-lights{display:flex;flex-direction:column;gap:4px;pointer-events:auto;padding-bottom:4px;border-bottom:1px solid rgba(113,159,255,.2)}.light-slider{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text)}.light-slider span:first-child{width:48px;flex-shrink:0}.light-slider input[type=range]{flex:1;min-width:0;accent-color:var(--blue-accent)}.light-val{width:40px;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}.statusbar-main{pointer-events:none}.model-load-cursor{position:fixed;width:22px;height:22px;margin-left:14px;margin-top:14px;border:2px solid rgba(113,159,255,.35);border-top-color:#719fff;border-radius:50%;animation:model-load-spin .7s linear infinite;pointer-events:none;z-index:50}@keyframes model-load-spin{to{transform:rotate(360deg)}}.full{width:100%}.stack{display:flex;flex-direction:column;gap:8px}.inline{display:flex;gap:8px;align-items:center}