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ease-out;--z-base:1;--z-dropdown:100;--z-sticky:200;--z-modal-backdrop:500;--z-modal:1000;--z-toast:9999;--z-tooltip:10000}[data-theme=dark]{--bg-primary:#1e1e1e;--bg-secondary:#252526;--bg-surface:#252526;--bg-elevated:#2d2d2d;--text-primary:#ccc;--text-secondary:#888;--text-tertiary:#555;--text-accent:#3794ff;--text-inverse:#fff;--border-color:#3e3e42;--border-input:#3c3c3c;--border-focus:#0e639c;--separator-color:#474747;--input-bg:#3c3c3c;--input-border:#3c3c3c;--input-text:#ccc;--input-placeholder:#6a6a6a;--hover-bg:#2a2d2e;--selected-bg:#094771;--active-bg:#0e639c;--color-primary:#0e639c;--color-primary-hover:#17b;--color-primary-dark:#094771;--color-primary-light:#0e639c26;--color-primary-bg:#0e639c1f;--color-success:#2e7d32;--color-success-hover:#388e3c;--color-success-light:#22c55e26;--color-success-dark:#1b5e20;--color-success-text:#86efac;--color-danger:#c62828;--color-danger-hover:#d32f2f;--color-danger-light:#ef444433;--color-danger-dark:#b71c1c;--color-danger-text:#fca5a5;--color-warning:#f57c00;--color-warning-hover:#e65100;--color-warning-light:#f9731633;--color-warning-text:#fdba74;--color-info:#64b5f6;--color-info-light:#2196f326;--color-info-text:#90caf9;--color-mechanical:#ff6b35;--color-control:#2979ff;--color-embedded:#9c27b0;--color-hardware:#ffa726;--color-software:#4caf50;--color-nontech:#6b7280;--color-critical:#ef4444;--color-critical-bg:#ef444433;--color-critical-text:#fca5a5;--color-major:#f97316;--color-major-bg:#f9731633;--color-major-text:#fdba74;--color-minor:#eab308;--color-minor-bg:#eab30833;--color-minor-text:#fcd34d;--color-suggestion:#3b82f6;--color-suggestion-bg:#3b82f633;--color-suggestion-text:#93c5fd;--color-status-open:#f44336;--color-status-open-bg:#ef444433;--color-status-open-text:#fca5a5;--color-status-in_progress:#ff9800;--color-status-in_progress-bg:#f9731633;--color-status-in_progress-text:#fdba74;--color-status-resolved:#4caf50;--color-status-resolved-bg:#22c55e33;--color-status-resolved-text:#86efac;--color-status-closed:#9e9e9e;--color-status-closed-bg:#9ca3af26;--color-status-closed-text:#d1d5db;--toolbar-bg:#2d2d30;--btn-secondary-bg:#3a3d41;--btn-secondary-text:#ccc;--toolbar-blur:none;--scrollbar-thumb:#555;--scrollbar-track:transparent;--editor-bg:#1e1e1e;--editor-gutter:#252526;--editor-line-highlight:#0e639c4d;--overlay-bg:#0009;--overlay-light:#ffffff0a;--shadow-sm:0 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.drop-hint{color:var(--hint-text);margin-top:4px;font-size:10px}.joint-tabs{align-items:center;gap:4px;display:flex}.joint-tab{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);cursor:pointer;border:none;border-radius:10px;padding:3px 8px;font-size:10px;line-height:1.4}.joint-tab.active{background:var(--color-primary-dark);color:var(--text-inverse)}#atab-mujoco[data-mujoco-state=loading]{opacity:.6;cursor:wait}#atab-mujoco[data-mujoco-state=ready]{color:#a5d6a7;background:#1b5e20}#atab-mujoco[data-mujoco-state=error]{color:#ffcdd2;background:#b71c1c}.joint-item{border-radius:var(--radius-lg);background:var(--item-bg);margin-bottom:6px;padding:8px 10px}.joint-name{color:var(--text-color);align-items:center;margin-bottom:6px;font-size:11px;font-weight:600;display:flex}.joint-type-badge{border-radius:var(--radius-lg);background:var(--selected-bg);color:var(--primary-text);flex-shrink:0;align-items:center;margin-left:6px;padding:1px 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var(--input-border);width:38px;color:var(--input-text);background:var(--input-bg);border-radius:3px;padding:2px;font-size:9px}.empty-hint{text-align:center;color:var(--hint-text);padding:30px 0;font-size:11px}.actuator-item{border-radius:var(--radius-lg);background:var(--item-bg);margin-bottom:6px;padding:8px 10px}.actuator-name{color:var(--text-color);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:11px;font-weight:600;display:flex}.actuator-type-badge{border-radius:var(--radius-lg);background:var(--color-mechanical);color:var(--text-inverse);flex-shrink:0;align-items:center;margin-left:6px;padding:1px 6px;font-size:9px;font-weight:400;display:inline-flex}.actuator-joint-label{color:var(--secondary-text);margin-bottom:4px;font-size:9px}.struct-hint{color:var(--secondary-text);margin-bottom:8px;font-size:10px}.tree-node{margin-left:14px}.tree-item{border-radius:var(--radius-md);cursor:pointer;transition:background 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0}.context-menu-icon{text-align:center;width:18px;font-size:14px}.context-menu-joint-info{color:var(--secondary-text);background:var(--item-bg);border-bottom:1px solid var(--panel-border);align-items:center;gap:4px;padding:8px 16px;font-size:11px;display:flex}.context-menu-joint-icon{font-size:12px}.context-menu-joint-name{color:var(--color-primary);font-weight:600}.context-menu-joint-type{color:var(--secondary-text);font-size:10px}[data-theme=dark] .context-menu-item.disabled{color:var(--text-tertiary)}[data-theme=dark] .context-menu-separator{background:var(--separator-color)}.visitor-readonly .pl-action{display:none}.visitor-readonly .problem-card{cursor:default}.asi-modal{background:var(--panel-bg);border:1px solid var(--panel-border);width:min(880px,92vw);max-height:88vh;color:var(--text-color);border-radius:12px;overflow:auto}.asi-modal .modal-header p{color:var(--secondary-text);margin:4px 0 0;font-size:13px}.asi-body{gap:16px;padding:20px;display:grid}.asi-drop{border:1px 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var(--panel-border);border-radius:8px;gap:4px;padding:14px;display:grid}.asi-stats strong{color:var(--text-color);font-size:24px;font-weight:590}.asi-stats span{color:var(--secondary-text);font-size:12px}.asi-review{border:1px solid color-mix(in srgb, var(--color-warning) 40%, transparent);background:color-mix(in srgb, var(--color-warning) 8%, transparent);border-radius:8px;gap:10px;padding:14px;display:grid}.asi-review span{color:var(--text-color);font-size:13px}.asi-review div{gap:8px;display:flex}.asi-review input{min-width:0;color:var(--text-color);background:var(--item-bg);border:1px solid var(--panel-border);border-radius:6px;flex:1;padding:9px 10px}.asi-complete{color:var(--text-color);background:color-mix(in srgb, var(--color-primary) 10%, transparent);border:1px solid color-mix(in srgb, var(--color-primary) 35%, transparent);border-radius:8px;padding:14px}@media (width<=640px){.asi-stats{grid-template-columns:1fr}.asi-review div{flex-direction:column}}#dual-viewport-container{z-index:98;flex-direction:row;display:none;position:fixed;inset:0}#dual-viewport-container.active{display:flex}.dual-viewport{flex:1;position:relative;overflow:hidden}.dual-viewport canvas{width:100%;height:100%;display:block}.viewport-label{z-index:10;background:var(--overlay-bg);color:var(--text-inverse);letter-spacing:.5px;pointer-events:none;white-space:nowrap;border-radius:6px;padding:4px 10px;font-size:11px;font-weight:600;position:absolute;top:12px;left:12px}.viewport-label.right{left:auto;right:12px}#viewport-divider{background:var(--separator,#474747);cursor:col-resize;z-index:20;width:4px;transition:background .15s;position:absolute;top:0;bottom:0}#viewport-divider:hover{background:var(--color-primary,#2979ff);width:4px}#viewport-divider.dragging{background:var(--color-primary,#2979ff)}.viewport-controls{z-index:10;background:var(--overlay-bg);white-space:nowrap;border-radius:8px;align-items:center;gap:6px;padding:4px 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var(--panel-border);background:var(--panel-bg);width:100%;color:var(--primary-text);border-radius:6px;outline:none;margin-bottom:8px;padding:6px 10px;font-size:12px}.pu-link-search:focus{border-color:var(--color-primary)}.pu-tree-section-label{color:var(--secondary-text);padding:4px 10px;font-size:10px;font-weight:700}.pu-link-row{cursor:pointer;border-radius:6px;align-items:center;gap:8px;padding:7px 12px;font-size:12px;display:flex}.pu-link-row:hover{background:var(--panel-bg)}.pu-link-row.selected{background:var(--color-primary-dark);color:#fff}.pu-link-row .pl-name{font-family:var(--font-family-mono);flex:1;font-size:11px}.pu-link-row .pl-badge{color:var(--color-warning);background:#f59e0b2e;border-radius:999px;padding:1px 6px;font-size:9px}.pu-link-row.selected .pl-badge{color:#fff;background:#ffffff40}.pu-detail{flex:1;padding:18px 22px;overflow-y:auto}.pu-detail-empty{height:100%;color:var(--secondary-text);flex-direction:column;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex}.pu-detail-empty .emoji{font-size:44px}.pu-section-card{border:1px solid var(--panel-border);background:var(--panel-bg);border-radius:10px;margin-bottom:14px;padding:14px 16px}.pu-section-card h4{align-items:center;gap:8px;margin:0 0 10px;font-size:13px;font-weight:700;display:flex}.pu-mesh-compare{grid-template-columns:1fr 30px 1fr;gap:8px;margin:12px 0;display:grid}.pu-mesh-box{border:1px solid var(--panel-border);border-radius:8px;padding:10px 12px}.pu-mesh-box .pm-label{color:var(--secondary-text);margin-bottom:4px;font-size:11px;font-weight:700}.pu-mesh-box .pm-file{font-family:var(--font-family-mono);word-break:break-all;font-size:11px}.pu-mesh-box.new{background:#22c55e12;border-color:#22c55e}.pu-mesh-arrow{color:var(--secondary-text);justify-content:center;align-items:center;font-size:20px;display:flex}.pu-form-grid{grid-template-columns:1fr 1fr;gap:10px 14px;display:grid}.pu-form-grid label{color:var(--secondary-text);margin-bottom:4px;font-size:11px;display:block}.pu-form-grid input,.pu-form-grid select,.pu-form-grid textarea{border:1px solid var(--panel-border);background:var(--item-bg);width:100%;color:var(--primary-text);border-radius:6px;padding:6px 10px;font-family:inherit;font-size:12px}.pu-form-grid input:focus,.pu-form-grid select:focus{border-color:var(--color-primary);outline:none}.pu-form-row-full{grid-column:1/-1}.pu-recent-updates{margin-top:16px}.pu-recent-updates strong{margin-bottom:6px;font-size:12px;display:block}.rr-item{gap:8px;padding:4px 0;font-size:11px;display:flex}.rr-tag{background:var(--item-bg);color:var(--secondary-text);white-space:nowrap;border-radius:4px;padding:1px 6px}.version-current-card{border:1px solid var(--panel-border);background:linear-gradient(135deg,#2563eb1f,#22c55e1a);border-radius:12px;align-items:center;gap:16px;margin:0 22px 14px;padding:14px 18px;display:flex}.version-current-card .vc-tag{background:var(--color-primary-dark);color:#fff;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:700}.version-current-card .vc-main{flex:1}.version-current-card .vc-ver{color:var(--color-primary-dark);font-size:18px;font-weight:700}.version-current-card .vc-meta{color:var(--secondary-text);margin-top:2px;font-size:11px}.version-current-card .vc-changelog{background:var(--item-bg);border-radius:8px;margin-top:8px;padding:8px 12px;font-size:12px;line-height:1.6}.version-upload-zone{border:2px dashed var(--panel-border);text-align:center;cursor:pointer;background:var(--item-bg);border-radius:10px;margin:0 22px 14px;padding:14px;transition:all .2s}.version-upload-zone:hover{border-color:var(--color-primary);background:#2563eb0f}.version-timeline{padding:0 22px 8px}.version-timeline-title{color:var(--secondary-text);border-bottom:1px solid var(--separator);margin-bottom:10px;padding-bottom:6px;font-size:12px;font-weight:700}.version-row{border:1px solid var(--panel-border);background:var(--panel-bg);border-radius:8px;grid-template-columns:60px 1fr 150px 200px;align-items:center;gap:12px;margin-bottom:8px;padding:10px 12px;display:grid}.version-row.is-current{border-color:var(--color-primary);background:#2563eb0d}.version-row .vr-ver{font-size:14px;font-weight:700}.version-row .vr-ver .is-current-pill{background:var(--color-primary-dark);color:#fff;vertical-align:middle;border-radius:999px;margin-left:4px;padding:2px 6px;font-size:9px}.version-row .vr-meta{color:var(--secondary-text);font-size:11px}.version-row .vr-change{font-size:12px;line-height:1.5}.version-row .vr-stats{color:var(--secondary-text);flex-direction:column;gap:2px;font-size:10px;display:flex}.version-row .vr-stats-step{line-height:1.35}.version-row .vr-actions{flex-wrap:wrap;gap:4px;display:flex}.version-row .vr-actions button{border:1px solid var(--panel-border);background:var(--item-bg);cursor:pointer;color:var(--primary-text);border-radius:6px;padding:4px 8px;font-size:11px}.version-row .vr-actions button:hover{background:var(--color-primary-dark);color:#fff;border-color:var(--color-primary-dark)}.version-row .vr-actions button.danger:hover{background:var(--color-danger);border-color:var(--color-danger)}[data-theme=dark] .ver-card-changelog{background:#ffffff0a}[data-theme=dark] .ver-card{background:#2d2d2d;border-color:#3e3e42}[data-theme=dark] .pu-link-tree{background:#1e1e1e}[data-theme=dark] .pu-section-card{background:#2d2d2d}[data-theme=dark] .version-current-card{background:linear-gradient(135deg,#2563eb14,#22c55e0f)}[data-theme=dark] .ver-diff-line{border-color:#ffffff08}.model-loading-overlay{z-index:99;-webkit-backdrop-filter:blur(4px);opacity:1;background:#000000a6;flex-direction:column;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:absolute;inset:0}.model-loading-overlay.model-loading-fadeout{opacity:0;pointer-events:none}.model-loading-spinner{border:3px solid #fff3;border-top-color:var(--color-primary,#2979ff);border-radius:50%;width:48px;height:48px;margin-bottom:16px;animation:.8s linear infinite model-loading-spin}@keyframes model-loading-spin{to{transform:rotate(360deg)}}.model-loading-text{color:#fff;text-align:center;max-width:80%;font-size:14px;line-height:1.5}.model-loading-progress{background:#ffffff26;border-radius:2px;width:240px;height:4px;margin-top:12px;overflow:hidden}.model-loading-progress-bar{background:var(--color-primary,#2979ff);border-radius:2px;width:0%;height:100%;transition:width .2s}.model-loading-progress-text{color:#ffffffbf;margin-top:6px;font-size:12px}.model-error-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);background:#000000bf;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.model-error-icon{color:#f44;background:#ff444426;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;font-size:24px;display:flex}.model-error-message{color:#f88;text-align:center;max-width:80%;margin-bottom:20px;font-size:14px;line-height:1.5}.model-error-retry{background:var(--color-primary,#2979ff);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:8px 24px;font-size:13px;transition:background .2s}.model-error-retry:hover{background:var(--color-primary-hover,#1565c0)}[data-theme=dark] .model-loading-overlay{background:#000000bf}[data-theme=dark] .model-error-overlay{background:#000000d9}