:root{--bg-topbar: #ffffff;--bg-sidebar: #ffffff;--bg-panel: #f7f7f9;--bg-viewport: #e9e9ee;--bg-pill: rgba(255, 255, 255, .94);--border: rgba(0, 0, 0, .08);--border-med: rgba(0, 0, 0, .12);--text-primary: #1a1b2e;--text-muted: rgba(50, 55, 90, .5);--accent: #7c3aed;--accent-dim: rgba(124, 58, 237, .09);--accent-border: rgba(124, 58, 237, .35);--sidebar-width: 52px;--right-panel-w: 280px;--topbar-h: 52px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg-viewport);color:var(--text-primary);font-size:13px;-webkit-font-smoothing:antialiased}.app-layout{width:100%;height:100vh}.brand-widget{width:var(--sidebar-width);background:#fffffff2;backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);border:1px solid rgba(0,0,0,.09);border-radius:12px;box-shadow:0 4px 24px #0000001a;display:flex;align-items:center;justify-content:center;padding:10px 0}.brand-logo{width:32px;height:32px;border-radius:6px;background:transparent;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 8px #7c3aed66}.brand-title{display:none}.sidebar-col{position:absolute;top:12px;left:12px;z-index:15;display:flex;flex-direction:column;gap:8px;pointer-events:none}.sidebar-col>*{pointer-events:auto}.left-sidebar{width:var(--sidebar-width);background:#fffffff2;backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);border:1px solid rgba(0,0,0,.09);border-radius:12px;box-shadow:0 4px 24px #0000001a,0 1px #ffffffe6 inset;display:flex;flex-direction:column;align-items:stretch;padding:6px 0;gap:2px;pointer-events:auto}.sidebar-item{display:flex;align-items:center;justify-content:center;width:38px;height:38px;margin:0 auto;border-radius:10px;cursor:pointer;color:#0f0f14b8;border:1px solid transparent;transition:color .12s,background .12s,border-color .12s;-webkit-user-select:none;user-select:none;position:relative}.sidebar-item:hover{color:#0f0f14;background:#0000000f}.sidebar-item.active{color:var(--accent);border-color:var(--accent-border);background:var(--accent-dim)}.sidebar-item.disabled{opacity:.3;cursor:default;pointer-events:none}.sidebar-item-label{display:none}.sidebar-item[data-tip]:hover:after{content:attr(data-tip);position:absolute;left:calc(100% + 8px);top:50%;transform:translateY(-50%);background:#14141ed9;color:#fff;font-size:11px;font-weight:500;padding:4px 8px;border-radius:6px;white-space:nowrap;pointer-events:none;z-index:100}.sidebar-sep{height:1px;background:#00000012;margin:4px 8px}.right-panels-stack{position:absolute;top:12px;left:calc(12px + var(--sidebar-width) + 8px);z-index:14;display:flex;flex-direction:column;gap:8px;max-height:calc(100% - 24px);overflow-y:auto;overflow-x:visible;pointer-events:none;scrollbar-width:none}.right-panels-stack::-webkit-scrollbar{display:none}.panel-card{width:var(--right-panel-w);background:#fffffff7;backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);border:1px solid rgba(0,0,0,.09);border-radius:12px;box-shadow:0 4px 24px #0000001a;pointer-events:auto;display:flex;flex-direction:column;overflow:hidden;max-height:calc(50vh - 20px);flex-shrink:0}.panel-card.floating{position:fixed;z-index:20;box-shadow:0 8px 40px #00000047;border-radius:10px;border:1px solid var(--border)}.panel-card.floating .panel-header{border-radius:10px 10px 0 0;-webkit-user-select:none;user-select:none}.panel-drag-grip{display:flex;align-items:center;color:var(--text-muted);cursor:grab;padding:0 8px 0 0;opacity:.45;flex-shrink:0;transition:opacity .15s}.panel-drag-grip:hover{opacity:1}.panel-drag-grip:active{cursor:grabbing}.panel-header{height:44px;display:flex;align-items:center;padding:0 14px;border-bottom:1px solid var(--border);flex-shrink:0}.panel-header-title{font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--text-muted)}.panel-header-controls{margin-left:auto;display:flex;align-items:center;gap:2px}.panel-ctrl-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:3px;display:flex;align-items:center;border-radius:4px;flex-shrink:0}.panel-ctrl-btn:hover{color:var(--text-primary);background:var(--accent-dim)}.panel-body{flex:1;overflow-y:auto;padding:12px 14px}.panel-section{margin-bottom:16px}.panel-section-label{font-size:9.5px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:8px}.prop-row{display:flex;justify-content:space-between;align-items:center;padding:3px 0}.prop-label{color:var(--text-muted);font-size:11.5px}.prop-value{font-family:SF Mono,JetBrains Mono,monospace;font-size:11px;color:var(--accent);font-weight:600}.panel-empty-msg{font-size:11.5px;color:var(--text-muted);line-height:1.6;padding:4px 0}.tree-list{display:flex;flex-direction:column;gap:0}.tree-item{display:flex;align-items:center;gap:5px;padding:4px 10px 4px 0;border-radius:5px;cursor:pointer;transition:background .12s;-webkit-user-select:none;user-select:none;min-width:0}.tree-item:hover{background:#0000000a}.tree-item.selected{background:#00d4ff1a}.tree-item.hidden{opacity:.4}.tree-chevron{display:flex;align-items:center;flex-shrink:0;color:var(--text-muted);transition:transform .15s;padding:1px}.tree-chevron.expanded{transform:rotate(90deg)}.tree-item-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.tree-item-dot.assembly{border:1.5px solid var(--text-muted);background:transparent!important}.tree-item-name{flex:1;font-size:11.5px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.tree-item-eye{background:none;border:none;cursor:pointer;padding:2px;color:var(--text-muted);display:flex;align-items:center;border-radius:3px;flex-shrink:0;opacity:0;transition:opacity .1s}.tree-item:hover .tree-item-eye,.tree-item.hidden .tree-item-eye{opacity:1}.tree-item-eye:hover{color:var(--text-primary);background:#0000000f}.recent-list{display:flex;flex-direction:column;gap:4px}.recent-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:background .12s,border-color .12s;min-width:0}.recent-item:hover{background:#0000000a;border-color:var(--border)}.recent-item.loading{opacity:.5;pointer-events:none}.recent-icon{color:var(--accent);flex-shrink:0}.recent-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.recent-name{font-size:12px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recent-meta{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--text-muted)}.recent-delete{background:none;border:none;cursor:pointer;padding:3px;color:var(--text-muted);border-radius:4px;display:flex;align-items:center;flex-shrink:0;opacity:0;transition:opacity .1s}.recent-item:hover .recent-delete{opacity:1}.recent-delete:hover{color:#e05252;background:#e0525214}.recent-stats{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-top:2px}.recent-stat{font-size:9.5px;color:var(--text-muted);background:#0000000d;border-radius:3px;padding:1px 4px;white-space:nowrap}.recent-strategy{font-size:9px;font-weight:600;border-radius:3px;padding:1px 5px;white-space:nowrap;letter-spacing:.03em;text-transform:uppercase}.recent-strategy--xcaf{color:#3a8a5a;background:#3a8a5a1f}.recent-strategy--text-geometry{color:#7060b8;background:#7060b81f}.recent-strategy--geometry-only{color:#b07040;background:#b070401f}.display-btn-group{display:flex;flex-direction:column;gap:3px}.display-btn{display:flex;align-items:center;gap:10px;padding:8px 10px;background:#fff;border:1px solid var(--border);border-radius:8px;color:#1a1b2ea6;font-size:12px;font-weight:500;cursor:pointer;transition:all .12s;text-align:left}.display-btn:hover{background:var(--accent-dim);border-color:var(--accent-border);color:var(--accent)}.display-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);font-weight:600}.view-preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.view-preset-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:10px 4px;background:#fff;border:1px solid var(--border);border-radius:8px;color:#1a1b2e8c;cursor:pointer;transition:all .12s}.view-preset-btn:hover{background:var(--accent-dim);border-color:var(--accent-border);color:var(--accent)}.view-preset-label{font-size:9px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;color:inherit;-webkit-user-select:none;user-select:none}.measure-tools{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:10px}.measure-tool-btn{display:flex;align-items:center;gap:6px;padding:7px 9px;background:#ffffff0f;border:1px solid var(--border);border-radius:7px;color:var(--text-muted);font-size:11px;font-weight:500;cursor:pointer;transition:all .12s;white-space:nowrap}.measure-tool-btn:hover{background:var(--accent-dim);border-color:var(--accent-border);color:var(--accent)}.measure-tool-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);font-weight:600}.measure-hint{font-size:11px;color:var(--accent);opacity:.8;margin:0 0 10px;padding:5px 8px;background:var(--accent-dim);border-radius:5px;border-left:2px solid var(--accent)}.measure-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border);font-size:12px}.measure-item:last-child{border-bottom:none}.measure-item-type{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:1px}.measure-value{font-family:SF Mono,JetBrains Mono,monospace;font-weight:700;font-size:11.5px;color:var(--accent)}.measure-delete{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:3px 5px;border-radius:4px;transition:color .1s,background .1s}.measure-delete:hover{color:#dc2626;background:#dc262614}.measure-clear-btn{background:none;border:none;color:var(--text-muted);font-size:10px;cursor:pointer;padding:0;transition:color .1s}.measure-clear-btn:hover{color:#dc2626}.viewer-container{width:100%;height:100vh;position:relative;overflow:hidden;background:var(--bg-viewport)}.viewer-canvas{width:100%;height:100%;outline:none;touch-action:none;display:block}.top-toolbar{position:absolute;top:12px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:1px;padding:4px;background:var(--bg-pill);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border:1px solid rgba(0,0,0,.1);border-radius:12px;box-shadow:0 4px 24px #0000001a,0 1px #fffc inset;z-index:10;pointer-events:auto}.pill-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid transparent;border-radius:12px;color:#0f0f14b8;cursor:pointer;transition:all .12s;position:relative;flex-shrink:0}.pill-btn:hover{background:#0000000f;color:#0f0f14}.pill-btn.active{background:var(--accent-dim);color:var(--accent);border-color:var(--accent-border)}.pill-sep{width:1px;height:20px;background:#0000001a;margin:0 3px;flex-shrink:0}.section-panel{gap:10px;display:flex;flex-direction:column}.section-row{display:flex;align-items:center;justify-content:space-between}.section-label{font-size:11px;font-weight:600;color:var(--text-primary)}.section-axis-btns{display:flex;gap:4px}.section-axis-btn{width:28px;height:26px;border:1px solid var(--border);border-radius:5px;background:none;font-size:11px;font-weight:700;cursor:pointer;color:var(--text-muted);transition:all 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Mono,monospace;color:var(--accent);min-width:36px;text-align:right}.explode-slider{width:100%;accent-color:var(--accent);cursor:pointer}.explode-hints{display:flex;justify-content:space-between;font-size:9.5px;color:var(--text-muted);margin-top:-6px}.explode-reset-btn{display:flex;align-items:center;gap:5px;background:none;border:1px solid var(--border);border-radius:6px;padding:5px 10px;font-size:11px;color:var(--text-muted);cursor:pointer;align-self:flex-start;transition:all .12s}.explode-reset-btn:hover:not(:disabled){color:var(--accent);border-color:var(--accent-border);background:var(--accent-dim)}.explode-reset-btn:disabled{opacity:.35;cursor:default}.pill-btn[data-tip]:hover:after{content:attr(data-tip);position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);background:#1a1b2eeb;color:#fff;font-size:11px;font-weight:500;padding:4px 9px;border-radius:6px;white-space:nowrap;pointer-events:none;z-index:200;box-shadow:0 4px 12px #0003}.viewcube-corner{position:absolute;top:12px;right:12px;z-index:15;pointer-events:auto}.viewcube-widget{pointer-events:auto}.viewcube-canvas-wrap{width:88px;height:88px}.statusbar{position:absolute;bottom:0;left:0;right:0;height:26px;display:flex;align-items:center;gap:10px;padding:0 14px;font-size:10.5px;color:var(--text-muted);background:#f5f5f8d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-top:1px solid var(--border);z-index:10;font-family:SF Mono,JetBrains Mono,monospace}.statusbar-sep{width:1px;height:10px;background:var(--border-med)}.measure-label{position:absolute;z-index:15;background:#7c3aede6;color:#fff;padding:2px 8px;border-radius:5px;font:600 10.5px JetBrains Mono,SF Mono,monospace;pointer-events:none;white-space:nowrap;box-shadow:0 2px 8px #7c3aed4d}.gdt-frame{position:absolute;z-index:14;display:flex;border:1.5px solid rgba(0,0,0,.75);background:#ffffffed;color:#111;font:600 9px JetBrains Mono,SF Mono,monospace;pointer-events:none;white-space:nowrap;border-radius:2px;box-shadow:0 2px 6px #0000002e}.gdt-cell{padding:2px 5px;display:flex;align-items:center;justify-content:center}.gdt-cell+.gdt-cell{border-left:1px solid rgba(0,0,0,.5)}.gdt-symbol{min-width:14px}.gdt-datum{background:#0000000f}.pmi-dim-label{position:absolute;z-index:14;font:600 9px JetBrains Mono,SF Mono,monospace;color:#111;background:#ffffffe0;padding:2px 5px;border-radius:2px;pointer-events:none;white-space:nowrap;box-shadow:0 1px 4px #00000024}.pmi-datum-box{position:absolute;z-index:14;font:700 9px JetBrains Mono,SF Mono,monospace;color:#111;background:#ffffffeb;border:1.5px solid rgba(0,0,0,.75);padding:2px 6px;border-radius:2px;pointer-events:none;white-space:nowrap;box-shadow:0 1px 4px #00000024}.pmi-toggle-btn{margin-left:auto;background:none;border:none;cursor:pointer;color:var(--text-muted);padding:3px;display:flex;align-items:center;border-radius:4px}.pmi-toggle-btn:hover{background:var(--accent-dim);color:var(--accent)}.pmi-item{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:5px;font-size:11px;background:var(--bg-topbar);border:1px solid var(--border);margin-bottom:4px}.pmi-symbol{font-family:JetBrains Mono,SF Mono,monospace;font-size:12px;font-weight:700;min-width:18px;text-align:center;color:var(--accent)}.pmi-value{flex:1;font-family:JetBrains Mono,SF Mono,monospace;font-size:10.5px;color:var(--text-primary)}.pmi-datums{font-size:10px;color:var(--text-muted);background:var(--accent-dim);border-radius:3px;padding:1px 5px}.pmi-eye{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:2px;display:flex;align-items:center;border-radius:3px;flex-shrink:0}.pmi-eye:hover{color:var(--accent);background:var(--accent-dim)}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;align-items:center;justify-content:center;background:#7c3aed0f;border:2px dashed rgba(124,58,237,.45);border-radius:4px;pointer-events:none;font-size:16px;font-weight:600;color:var(--accent);letter-spacing:.5px}