*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--cv-navy: #0d2b4e;--cv-blue: #1565c0;--cv-light: #e3f2fd;--cv-green: #2e7d32;--cv-orange: #e65100;--cv-warn: #f57c00;--cv-gray-1: #f5f5f5;--cv-gray-2: #e0e0e0;--cv-gray-3: #9e9e9e;--cv-text: #212121;--cv-text-2: #555;--radius: 6px;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.16);--font: system-ui, -apple-system, "Segoe UI", Arial, sans-serif}body{font-family:var(--font);background:var(--cv-gray-1);color:var(--cv-text);font-size:14px;line-height:1.5;height:100dvh;overflow:hidden}#root{display:flex;flex-direction:column;height:100dvh}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:13px;padding:6px 8px;border:1px solid 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h4{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--cv-navy);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--cv-gray-2)}.props-section .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.props-section .grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.props-group{padding:10px 14px;display:flex;flex-direction:column;gap:8px}.props-divider{height:1px;background:var(--cv-gray-2);margin:0 14px}.props-row{display:flex;align-items:center;gap:8px}.props-label{width:72px;flex-shrink:0;font-size:12px;color:var(--cv-gray-3);font-weight:600}.props-input{flex:1;border:1px solid var(--cv-gray-2);border-radius:var(--radius);padding:4px 8px;font-size:12px;min-width:0}.props-unit{font-size:12px;color:var(--cv-gray-3)}.props-empty{padding:20px;text-align:center;color:var(--cv-gray-3);font-size:13px}.props-dialog-btn{width:100%;text-align:left;padding:6px 10px;border:1px solid var(--cv-gray-2);background:#fff;border-radius:var(--radius);font-size:12px;color:var(--cv-text);cursor:pointer}.props-dialog-btn:hover{background:var(--cv-gray-1)}.props-category{margin-top:4px}.props-category-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--cv-gray-3);padding:6px 14px 2px;-webkit-user-select:none;user-select:none}.props-entity-section{margin:0}.props-entity-header{display:flex;align-items:center;gap:6px;padding:5px 14px;cursor:pointer;font-size:12px;font-weight:600;color:var(--cv-navy);-webkit-user-select:none;user-select:none}.props-entity-header:hover{background:var(--cv-gray-1)}.props-entity-chevron{width:12px;font-size:10px;flex-shrink:0}.props-entity-name{flex:1}.props-entity-count{font-size:10px;color:#fff;background:var(--cv-blue);border-radius:8px;padding:0 6px;line-height:16px;font-weight:700;min-width:16px;text-align:center}.props-entity-dialog-btn{background:none;border:none;cursor:pointer;font-size:14px;color:var(--cv-gray-3);padding:0 2px;line-height:1}.props-entity-dialog-btn:hover{color:var(--cv-navy)}.props-entity-slots{padding:2px 0}.props-entity-empty{padding:2px 14px 6px 32px;font-size:11px;color:var(--cv-gray-3);font-style:italic}.props-slot-row{display:flex;align-items:center;gap:8px;padding:3px 14px 3px 32px;cursor:pointer;font-size:12px;color:var(--cv-text);-webkit-user-select:none;user-select:none;border-left:3px solid transparent;transition:background .1s,border-color .1s}.props-slot-row:hover{background:var(--cv-gray-1)}.props-slot-row.selected{background:#1976d21a;border-left-color:var(--cv-blue);color:var(--cv-blue);font-weight:600}.props-slot-row.panel-body-row{padding-left:14px;font-weight:600;font-size:13px;border-bottom:1px solid var(--cv-gray-2);margin-bottom:4px;padding-bottom:6px}.props-slot-mark{flex:1}.props-slot-index{font-size:10px;color:var(--cv-gray-3);font-family:Consolas,monospace}.props-slot-row.selected .props-slot-index{color:var(--cv-blue)}.vt-btn-danger{background:#c62828;color:#fff;border:none;border-radius:var(--radius);padding:4px 10px;font-size:13px;cursor:pointer;font-weight:600}.vt-btn-danger:hover{background:#b71c1c}.box-select-overlay{position:fixed;pointer-events:none;z-index:100;border:1px solid rgba(25,118,210,.8);background:#1976d21f}.props-edit-btn{background:none;border:none;cursor:pointer;font-size:16px;color:var(--cv-gray-3);padding:2px 4px}.props-edit-btn:hover{color:var(--cv-navy)}.props-units-btn{background:var(--cv-gray-1);border:1px solid var(--cv-gray-2);border-radius:var(--radius);cursor:pointer;font-size:10px;font-weight:700;color:var(--cv-navy);padding:2px 6px;line-height:1;text-transform:uppercase;letter-spacing:.3px}.props-units-btn:hover{background:var(--cv-gray-2)}.dim3-wrap{flex:1;display:flex;align-items:center;gap:0;min-width:0}.dim3-box{width:36px;border:1px solid var(--cv-gray-2);border-radius:var(--radius);padding:3px 2px;font-size:11px;text-align:center;font-family:Consolas,Courier New,monospace;background:#fff;-moz-appearance:textfield}.dim3-box::-webkit-outer-spin-button,.dim3-box::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.dim3-feet{width:36px}.dim3-inch{width:28px}.dim3-mm{width:52px}.dim3-frac{width:28px;text-align:center;font-size:10px;font-family:Consolas,Courier New,monospace;color:var(--cv-text);-webkit-user-select:none;user-select:none;line-height:24px}.dim3-spinner{display:flex;flex-direction:column;flex-shrink:0}.dim3-arrow{border:none;background:var(--cv-gray-1);color:var(--cv-gray-3);cursor:pointer;font-size:7px;padding:1px 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var(--mt-color, #888)}.lf-btn:last-child{border-right:none}.lf-btn:hover{background:var(--cv-gray-1)}.lf-btn.active{background:var(--cv-gray-0, #f5f5f5);color:var(--cv-text);border-left-color:var(--mt-color, #888)}.lf-btn:not(.active){opacity:.45;border-left-color:#ccc}.view-mode-toggle{display:flex;gap:0;border-radius:4px;overflow:hidden;border:1px solid rgba(255,255,255,.25)}.view-toggle-btn{background:#ffffff14;color:#ffffffb3;border:none;padding:4px 12px;font-size:11px;font-weight:700;cursor:pointer;transition:background .15s,color .15s;letter-spacing:.5px}.view-toggle-btn:hover{background:#ffffff2e;color:#fff}.view-toggle-btn.active{background:#ffffff4d;color:#fff}.topbar-mode-group,.topbar-view-group{display:flex;gap:0;border-radius:4px;overflow:hidden;border:1px solid rgba(255,255,255,.25)}.topbar-mode-btn{background:#ffffff14;color:#fff9;border:none;padding:4px 10px;font-size:12px;font-weight:600;cursor:pointer;transition:background .15s,color 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var(--cv-gray-2);margin-bottom:8px}.embed-lib-tab{background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;padding:6px 12px;font-size:12px;font-weight:600;color:var(--cv-text-2);cursor:pointer;display:flex;align-items:center;gap:5px}.embed-lib-tab:hover{color:var(--cv-navy)}.embed-lib-tab.active{color:var(--cv-blue);border-bottom-color:var(--cv-blue)}.embed-lib-badge{font-size:9px;font-weight:800;background:var(--cv-blue);color:#fff;border-radius:8px;padding:1px 5px;line-height:1.4}.embed-lib-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#999;margin-bottom:4px}.embed-lib-chips{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:4px}.embed-lib-chip{font-size:10px;padding:2px 7px;background:#f0f0f0;border:1px solid #ccc;border-radius:3px;color:#555;cursor:default}.embed-lib-row{display:flex;align-items:center;gap:8px;padding:5px 8px;border:1px solid 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var(--cv-gray-1, #f5f5f5)}.snapshot-item:last-child{border-bottom:none}.snapshot-time{flex:1;font-weight:500}.snapshot-panels{font-size:11px;color:var(--cv-text-2, #888);min-width:60px}.snapshot-restore-btn,.snapshot-delete-btn{padding:3px 10px;border-radius:3px;font-size:11px;cursor:pointer;border:1px solid var(--cv-gray-2, #ddd)}.snapshot-restore-btn{background:var(--cv-blue, #3b82f6);color:#fff;border-color:transparent}.snapshot-restore-btn:hover{background:#2563eb}.snapshot-delete-btn{background:#fff;color:#999}.snapshot-delete-btn:hover{color:#dc2626;border-color:#dc2626}@media (max-width: 820px){.app-topbar{height:auto;min-height:40px;padding:4px 8px;flex-wrap:wrap;gap:4px 8px}.topbar-back{font-size:11px;padding:2px 4px}.topbar-logo{font-size:13px;padding:4px 6px}.topbar-btn{padding:4px 6px;font-size:12px}.topbar-menus{gap:0;flex:0 1 auto;min-width:0}.topbar-right{gap:4px;flex-wrap:wrap}.topbar-mode-btn{padding:3px 6px;font-size:11px}.topbar-view-btn{padding:3px 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