:root{--brand: #2ECFB0;--brand-dark: #25A98F;--bg-base: #0D1017;--bg-surface: #151921;--bg-panel: #1A1F2B;--text-primary: #E2E8F0;--text-secondary: rgba(255, 255, 255, .6);--text-muted: rgba(255, 255, 255, .4);--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .15);--text-xs: .6875rem;--text-sm: .75rem;--text-base: .8125rem;--text-md: .875rem;--text-lg: 1.125rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 10px}*{margin:0;padding:0;box-sizing:border-box}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}:focus:not(:focus-visible){outline:none}input[type=checkbox]{appearance:none;-webkit-appearance:none;width:15px;height:15px;border:1.5px solid var(--text-muted);border-radius:3px;background:transparent;cursor:pointer;position:relative;flex-shrink:0;transition:all .15s ease}input[type=checkbox]:checked{background:var(--brand);border-color:var(--brand)}input[type=checkbox]:checked:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--bg-base);border-width:0 2px 2px 0;transform:rotate(45deg)}input[type=checkbox]:hover{border-color:var(--text-secondary)}input[type=range]{-webkit-appearance:none;appearance:none;height:4px;background:#ffffff1f;border-radius:2px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--brand);border:2px solid var(--bg-panel);cursor:pointer;transition:transform .1s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--brand);border:2px solid var(--bg-panel);cursor:pointer}input[type=range]::-moz-range-track{height:4px;background:#ffffff1f;border-radius:2px}input[type=range]:disabled{opacity:.3;cursor:not-allowed}html,body,#app{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-base);color:var(--text-primary)}#topbar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 16px;background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:10}.topbar-left,.topbar-center,.topbar-right{display:flex;align-items:center;gap:8px}.topbar-center{flex-wrap:wrap}.logo{font-size:var(--text-lg);font-weight:700;color:var(--text-primary)}.logo span{color:var(--brand)}.topbar-btn{display:flex;align-items:center;gap:6px;padding:6px var(--space-3);border:1px solid var(--border);border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);font-size:var(--text-base);font-family:inherit;cursor:pointer;transition:all .15s ease;white-space:nowrap}.topbar-btn:hover{background:#ffffff0d;color:var(--text-primary);border-color:var(--border-hover)}.topbar-btn.primary{background:#2ecfb01f;border-color:#2ecfb04d;color:var(--brand);cursor:pointer}.topbar-btn.primary:hover{background:#2ecfb033}.topbar-btn.active{background:#2ecfb026;border-color:var(--brand);color:var(--brand)}.topbar-btn.hidden{display:none}.status-text{font-size:var(--text-sm);color:var(--text-muted)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--brand);color:var(--bg-base);font-size:10px;font-weight:700;margin-left:4px}.badge.hidden{display:none}#main{display:flex;height:calc(100% - 48px);position:relative}#viewport{flex:1;position:relative;background:var(--bg-base)}#viewport canvas{width:100%!important;height:100%!important;outline:none}.measure-widget{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:20;background:#14141cd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:6px 8px;display:flex;flex-direction:column;align-items:center;gap:4px;box-shadow:0 4px 20px #0006}.measure-widget.hidden{display:none}.measure-tools{display:flex;align-items:center;gap:2px}.measure-tool-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s}.measure-tool-btn:hover{background:#ffffff14;color:var(--text-primary)}.measure-tool-btn.active{background:#f59e0b2e;border-color:#f59e0b80;color:#f59e0b}.measure-clear:hover{background:#ef444426;color:#ef4444}.measure-divider{width:1px;height:22px;background:var(--border);margin:0 4px}.measure-info{font-size:11px;color:var(--text-muted);white-space:nowrap;padding:0 4px 2px}#sidebar,#propsPanel{width:280px;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:width .2s ease,opacity .2s ease}#propsPanel{border-right:none;border-left:1px solid var(--border)}#sidebar.hidden,#propsPanel.hidden{width:0;opacity:0;pointer-events:none}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);font-size:var(--text-base);font-weight:600;color:var(--text-primary);flex-shrink:0}.panel-close{width:var(--space-6);height:var(--space-6);display:flex;align-items:center;justify-content:center;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer}.panel-close:hover{background:#ffffff1a;color:var(--text-primary)}.panel-body{flex:1;overflow-y:auto;padding:var(--space-3);font-size:var(--text-base)}.panel-body::-webkit-scrollbar{width:4px}.panel-body::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}.empty-state{color:var(--text-muted);font-size:var(--text-base);text-align:center;padding:var(--space-6) var(--space-3)}.filter-actions{display:flex;gap:4px;padding:4px 12px 6px;border-bottom:1px solid var(--border);flex-shrink:0}.filter-btn{flex:1;padding:var(--space-1) var(--space-2);border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:var(--text-xs);font-family:inherit;cursor:pointer;transition:all .15s ease}.filter-btn:hover{background:#ffffff0d;color:var(--text-primary);border-color:var(--border-hover)}.tree-file-section{border-bottom:1px solid var(--brand)}.tree-file-header{display:flex;align-items:center;padding:6px 8px;background:#ffffff0a;cursor:pointer;-webkit-user-select:none;user-select:none}.tree-file-name{flex:1;font-size:var(--text-sm);font-weight:600;color:var(--brand);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-file-name:before{content:"▶";display:inline-block;font-size:9px;margin-right:6px;transition:transform .15s;color:var(--text-muted)}.tree-file-section.open>.tree-file-header .tree-file-name:before{transform:rotate(90deg)}.tree-file-section>.tree-group{display:none}.tree-file-section.open>.tree-group{display:block}.tree-group{border-bottom:1px solid var(--border)}.tree-group-header{display:flex;align-items:center;gap:6px;padding:5px 8px;cursor:pointer;-webkit-user-select:none;user-select:none}.tree-group-header:hover{background:#ffffff0a}.tree-checkbox{accent-color:var(--brand);cursor:pointer;flex-shrink:0}.tree-group-label{font-size:var(--text-sm);color:var(--text-primary);flex:1;display:flex;align-items:center;gap:6px}.tree-group-label:before{content:"▶";display:inline-block;font-size:9px;transition:transform .15s;color:var(--text-muted);flex-shrink:0}.tree-group.open>.tree-group-header .tree-group-label:before{transform:rotate(90deg)}.tree-items{padding-left:24px;overflow:hidden;max-height:0;transition:max-height .2s ease}.tree-group.open>.tree-items{max-height:5000px}.tree-item{padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);cursor:pointer;font-size:var(--text-xs);color:var(--text-secondary);transition:background .1s ease;display:flex;align-items:center;gap:6px}.tree-item:hover{background:#ffffff0d;color:var(--text-primary)}.tree-item.selected{background:#2ecfb01f;color:var(--brand)}.tree-item span{flex:1;cursor:pointer}.tree-item.hidden-by-filter,.tree-group.hidden-by-filter{display:none}.tree-search-wrap{display:flex;align-items:center;gap:6px;padding:8px 12px;border-bottom:1px solid var(--border);flex-shrink:0}.tree-search{flex:1;padding:6px var(--space-2);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-base);color:var(--text-primary);font-size:var(--text-sm);font-family:inherit;outline:none}.tree-search:focus{border-color:var(--brand)}.tree-count{font-size:var(--text-xs);color:var(--text-muted);white-space:nowrap}.type-badge{display:inline-block;width:8px;height:8px;border-radius:2px;flex-shrink:0}.props-group{margin-bottom:16px}.props-group-title{font-size:var(--text-xs);font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.5px;padding:6px 0;border-bottom:1px solid var(--border);margin-bottom:6px;cursor:pointer;display:flex;align-items:center;gap:6px}.props-group-title .pset-toggle{font-size:9px;color:var(--text-muted)}.props-group.collapsed .props-row{display:none}.props-group.collapsed .pset-toggle:after{content:""}.props-group:not(.collapsed) .pset-toggle{display:inline-block;transform:rotate(90deg)}.props-row{display:flex;justify-content:space-between;padding:var(--space-1) 0;font-size:var(--text-sm);border-bottom:1px solid rgba(255,255,255,.03)}.props-key{color:var(--text-muted);flex-shrink:0;margin-right:8px}.props-value{color:var(--text-primary);text-align:right;word-break:break-word}#loadingOverlay{position:fixed;inset:0;background:#0d1017e6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:center;justify-content:center}#loadingOverlay.hidden{display:none}.loading-content{text-align:center}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}#loadingText{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.progress-bar{width:240px;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--brand);border-radius:2px;width:0%;transition:width .3s ease}#dropZone{position:fixed;inset:0;background:#2ecfb014;border:3px dashed var(--brand);z-index:200;display:flex;align-items:center;justify-content:center}#dropZone.hidden{display:none}.drop-content{text-align:center}.drop-icon{font-size:48px;display:block;margin-bottom:12px}.drop-content p{font-size:18px;color:var(--brand);font-weight:600}.dropdown-wrap{position:relative}.dropdown-menu{position:absolute;top:100%;left:0;margin-top:4px;min-width:200px;background:var(--bg-panel);border:1px solid var(--border);border-radius:6px;padding:4px 0;z-index:50;box-shadow:0 8px 24px #0006}.dropdown-menu.hidden{display:none}.dropdown-item{display:block;width:100%;padding:8px 14px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-family:inherit;text-align:left;cursor:pointer}.dropdown-item:hover{background:#ffffff0d;color:var(--text-primary)}.dropdown-empty{padding:8px 14px;color:var(--text-muted);font-size:12px}.hide-mode-indicator{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#ff5050e6;color:#fff;padding:6px 16px;border-radius:6px;font-size:12px;font-weight:600;z-index:20;pointer-events:none;letter-spacing:.5px}.hide-mode-indicator.hidden{display:none}.files-panel{position:absolute;top:var(--space-3);left:var(--space-3);background:#151921eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius-lg);z-index:20;min-width:300px;max-width:420px;max-height:calc(100% - 24px);display:flex;flex-direction:column;overflow:hidden}.files-panel.hidden{display:none}.files-panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4) var(--space-2)}.files-panel-title{font-size:var(--text-sm);font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.5px}.files-total-info{font-size:var(--text-xs);color:var(--text-muted)}.files-list{flex:1;overflow-y:auto;padding:0 var(--space-3);display:flex;flex-direction:column;gap:4px}.files-list::-webkit-scrollbar{width:4px}.files-list::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}.files-empty{text-align:center;color:var(--text-muted);font-size:var(--text-sm);padding:var(--space-4) 0}.file-card{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-md);transition:background .15s,border-color .15s}.file-card:hover{background:#ffffff0f;border-color:#ffffff1f}.file-card-color{width:4px;height:32px;border-radius:2px;flex-shrink:0}.file-card-info{flex:1;min-width:0}.file-card-name{font-size:var(--text-sm);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.file-card-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-muted);line-height:1.3}.file-card-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.file-card-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);line-height:0;transition:color .15s,background .15s}.file-card-btn:hover{color:var(--text-primary);background:#ffffff14}.file-card-btn.danger:hover{color:#f87171;background:#f871711a}.file-card-btn svg{display:block}.files-actions{display:flex;align-items:center;gap:6px;padding:var(--space-2) var(--space-3) var(--space-3);border-top:1px solid var(--border);flex-wrap:wrap}.files-btn{display:flex;align-items:center;gap:4px;padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#ffffff0a;color:var(--text-secondary);font-size:var(--text-xs);font-family:inherit;cursor:pointer;transition:background .15s,color .15s,border-color .15s;line-height:1}.files-btn:hover{background:#ffffff14;color:var(--text-primary);border-color:#ffffff26}.files-btn.primary{border-color:var(--brand);color:var(--brand)}.files-btn.primary:hover{background:#2ecfb01f}.clip-panel{position:absolute;top:var(--space-3);right:var(--space-3);background:#151921eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);z-index:20;min-width:260px;display:flex;flex-direction:column;gap:6px}.clip-panel.hidden{display:none}.clip-axis{display:flex;align-items:center;gap:6px}.clip-axis input[type=checkbox]{accent-color:var(--brand);cursor:pointer}.clip-label{font-weight:700;font-size:13px;width:14px;text-align:center}.clip-slider{flex:1;height:4px;accent-color:var(--brand);cursor:pointer}.clip-val{font-size:var(--text-xs);color:var(--text-secondary);width:50px;text-align:right;font-family:monospace}.clip-flip{background:#ffffff14;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);padding:2px 4px;cursor:pointer;font-size:12px}.clip-flip:hover{background:#ffffff26}.clip-flip.active{background:var(--brand);color:#000}.gfx-panel{position:absolute;top:var(--space-3);right:var(--space-3);background:#151921eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);z-index:20;width:280px;max-height:calc(100% - 24px);overflow-y:auto;display:flex;flex-direction:column;gap:3px}.gfx-panel.hidden{display:none}.gfx-panel::-webkit-scrollbar{width:4px}.gfx-panel::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}.gfx-section-title{font-size:var(--text-xs);font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.5px;margin:6px 0 2px;padding-top:4px;border-top:1px solid var(--border)}.gfx-section-title:first-child{border-top:none;margin-top:0;padding-top:0}.gfx-row{display:flex;align-items:center;gap:8px;min-height:26px}.gfx-row label{font-size:var(--text-sm);color:var(--text-secondary);min-width:64px;flex-shrink:0}.gfx-row input[type=range]{flex:1;min-width:0}.gfx-val{font-size:var(--text-xs);color:var(--text-muted);width:36px;text-align:right;font-family:monospace;flex-shrink:0}.gfx-select{flex:1;padding:3px 6px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-base);color:var(--text-primary);font-size:var(--text-sm);font-family:inherit;cursor:pointer;outline:none}.gfx-select:focus{border-color:var(--brand)}.gfx-input{flex:1;padding:3px 6px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-base);color:var(--text-primary);font-size:var(--text-sm);font-family:monospace;outline:none;min-width:0}.gfx-input:focus{border-color:var(--brand)}.gfx-input::placeholder{color:var(--text-muted)}.crs-details summary::-webkit-details-marker{color:var(--text-muted)}.crs-details[open] summary{margin-bottom:4px}.gfx-color{width:32px;height:24px;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;cursor:pointer}.geo-splitter{width:5px;cursor:col-resize;background:var(--border);flex-shrink:0;transition:background .15s}.geo-splitter:hover,.geo-splitter.dragging{background:var(--accent)}.geo-splitter.hidden{display:none}.geo-panel{width:420px;min-width:280px;max-width:70vw;background:var(--bg-panel);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0}.geo-panel.hidden{display:none}.geo-status-inline{font-size:var(--text-xs);font-weight:400;color:var(--text-muted);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right;padding:0 4px}.geo-close-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;border-radius:4px;background:#ffffff14;color:var(--text-secondary);font-size:12px;cursor:pointer;flex-shrink:0}.geo-close-btn:hover{background:#ffffff26;color:var(--text-primary)}.geo-minimap{flex:1;min-height:200px;overflow:hidden;background:var(--bg-base);position:relative}.geo-minimap .cesium-viewer,.geo-minimap .cesium-widget{height:100%}.geo-minimap .cesium-viewer-bottom{display:none!important}.geo-search-overlay,.geo-card-overlay{position:absolute;left:12px;right:12px;z-index:10;background:#151921d1;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:8px 10px}.geo-search-overlay{top:12px;display:flex;gap:6px}.geo-card-overlay{bottom:12px;display:flex;flex-direction:column;gap:8px}.geo-input{flex:1;padding:6px var(--space-2);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);background:#0d101799;color:var(--text-primary);font-size:var(--text-sm);font-family:inherit;outline:none;min-width:0}.geo-input:focus{border-color:var(--brand)}.geo-btn-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.1);border-radius:6px;background:#ffffff0f;color:var(--text-secondary);font-size:14px;cursor:pointer;flex-shrink:0;transition:all .15s ease}.geo-btn-icon:hover{background:#2ecfb02e;border-color:var(--brand);color:var(--brand)}.geo-card-compact{display:flex;flex-direction:column;gap:4px}.geo-coord-row{display:flex;align-items:center;gap:4px}.geo-coord-row label{font-size:var(--text-xs);color:var(--text-muted);font-weight:600;min-width:22px;text-align:right;flex-shrink:0}.geo-coord-row .geo-coord{width:72px;flex:0 0 auto}.geo-coord-row select.geo-coord{flex:1;min-width:0}.geo-coord{width:auto;font-family:SF Mono,Fira Code,monospace;font-size:var(--text-sm)}.geo-slider{height:4px;accent-color:var(--brand);cursor:pointer;min-width:50px}.geo-card-actions{display:flex;gap:6px;align-items:center}.geo-upload-btn{flex:1;padding:7px var(--space-3);border:1px solid rgba(46,207,176,.3);border-radius:var(--radius-md);background:#2ecfb026;color:var(--brand);font-size:var(--text-sm);font-weight:600;font-family:inherit;cursor:pointer;transition:all .15s ease}.geo-upload-btn:hover{background:#2ecfb047}.geo-upload-btn:disabled{opacity:.5;cursor:not-allowed}.geo-token-popover{padding-top:4px}.geo-asset-link{padding:5px 10px;background:#2ecfb01a;border-radius:var(--radius-md);color:var(--brand);font-size:var(--text-xs);text-decoration:none;text-align:center}.geo-asset-link:hover{background:#2ecfb033}.load-dialog-overlay{position:fixed;inset:0;background:#0d1017d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:150;display:flex;align-items:center;justify-content:center}.load-dialog{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-xl);width:380px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 16px 48px #00000080}.load-dialog-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4);border-bottom:1px solid var(--border);font-size:var(--text-md);font-weight:600;color:var(--text-primary)}.load-dialog-body{padding:12px 16px;overflow-y:auto;flex:1}.load-dialog-actions{display:flex;gap:4px;margin-bottom:10px}.load-dialog-cat{display:flex;align-items:center;gap:var(--space-2);padding:6px var(--space-1);border-bottom:1px solid rgba(255,255,255,.03);font-size:var(--text-base);color:var(--text-secondary);cursor:pointer}.load-dialog-cat:hover{color:var(--text-primary)}.load-dialog-cat input{accent-color:var(--brand);width:14px;height:14px}.load-dialog-cat span:first-of-type{flex:1}.load-dialog-types{font-size:var(--text-xs);color:var(--text-muted)}.load-dialog-footer{display:flex;justify-content:flex-end;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--border)}