.app-container{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;height:100vh;display:flex;flex-direction:column;background:#f8fafc}.app-header{padding:14px 20px;border-bottom:1px solid #e2e8f0;background:linear-gradient(to right,#1e40af,#3b82f6);box-shadow:0 1px 3px #0000001a}.app-header-title{margin:0;font-size:18px;color:#fff;font-weight:600;letter-spacing:-.01em}.app-header-subtitle{color:#ffffffd9;font-size:12px;margin-top:4px}.app-main{flex:1;display:flex;overflow:hidden}.app-sidebar-left{width:240px;border-right:1px solid #e2e8f0;background:#fff;overflow:auto;box-shadow:2px 0 5px #00000008}.app-center-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.app-canvas-container{flex:1;position:relative;border-bottom:1px solid #e5e7eb}.app-canvas-overlay{position:absolute;top:12px;left:12px;padding:8px 14px;background:#fffffff7;border-radius:8px;box-shadow:0 2px 8px #00000014,0 1px 2px #0000000a;font-size:12px;border:1px solid rgba(0,0,0,.05)}.app-canvas-overlay-title{font-weight:600;margin-bottom:4px}.app-canvas-overlay-success{color:#16a34a;font-weight:500}.app-canvas-overlay-hint{color:#6b7280;font-size:11px}.app-bottom-panel{height:220px;display:flex;border-top:1px solid #e2e8f0;background:#fff;box-shadow:0 -2px 6px #00000008}.app-properties-container{flex:1;padding:14px 16px;overflow:auto;border-right:1px solid #e2e8f0}.app-element-list-container{width:240px;padding:12px 14px;overflow:auto;border-right:1px solid #e2e8f0;background:#fafbfc}.app-element-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.app-element-list-title{font-size:13px;font-weight:600;color:#1e293b}.app-clear-btn{padding:2px 6px;font-size:10px;border:1px solid #fca5a5;border-radius:3px;background:#fef2f2;color:#b91c1c;cursor:pointer}.app-element-list{display:flex;flex-direction:column;gap:2px}.app-element-item{display:flex;align-items:center;padding:4px 6px;border-width:1px;border-style:solid;border-radius:4px;cursor:pointer;font-size:11px}.app-element-item.selected{background:#dbeafe;border-color:#3b82f6}.app-element-item.unselected{background:#f9fafb;border-color:transparent}.app-element-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-delete-btn{margin-left:4px;padding:2px 5px;font-size:10px;border-radius:3px;border:none;background:#fee2e2;color:#b91c1c;cursor:pointer}.app-controls-container{width:180px;padding:12px;display:flex;flex-direction:column;gap:8px;overflow: hidden;overflow-y: scroll;}.app-history-controls{display:flex;gap:8px;margin-right:12px}.app-history-btn{padding:8px 14px;font-size:13px;font-weight:500;border:1px solid #d1d5db;border-radius:6px;transition:all .2s}.app-history-btn:enabled{background:#fff;color:#374151;cursor:pointer}.app-history-btn:enabled:hover{background:#f9fafb;border-color:#9ca3af}.app-history-btn:disabled{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}.app-control-group{margin-bottom:16px}.app-control-label{display:block;font-size:12px;font-weight:500;margin-bottom:4px;color:#475569}.app-control-input{width:100%;padding:8px 12px;border-radius:6px;border:1px solid #cbd5e1;font-size:14px}.app-control-hint{font-size:11px;color:#64748b;margin-top:4px}.app-remnants-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.app-remnant-item{background:#f1f5f9;padding:4px 8px;border-radius:4px;font-size:12px;display:flex;align-items:center;gap:6px;border:1px solid #e2e8f0}.app-remnant-remove{border:none;background:none;color:#94a3b8;cursor:pointer;padding:0;font-size:14px;line-height:1}.app-remnant-add-row{display:flex;gap:4px}.app-remnant-input{width:30%;padding:4px 8px;font-size:12px;border-radius:4px;border:1px solid #cbd5e1}.app-remnant-add-btn{flex:1;padding:4px 8px;font-size:12px;background:#3b82f6;color:#fff;border:none;border-radius:4px;cursor:pointer}.app-run-btn{margin-top:auto;padding:8px 10px;border-radius:6px;border:none;font-weight:600;font-size:12px;transition:all .2s}.app-run-btn:enabled{background:#3b82f6;color:#fff;cursor:pointer}.app-run-btn:disabled{background:#e5e7eb;color:#9ca3af;cursor:not-allowed}.app-sidebar-right{width:400px;overflow:auto;padding:12px;background:#fff;border-left:1px solid #e5e7eb}.app-material-library-container{margin-top:16px}.properties-container{padding:4px 0}.properties-header{margin:0 0 10px;font-size:14px;font-weight:600;color:#1e293b}.properties-empty-state{color:#64748b;font-size:13px;padding:16px;background:#f8fafc;border-radius:8px;border:1px dashed #cbd5e1;text-align:center}.properties-fieldset{border:1px solid #e2e8f0;border-radius:8px;padding:14px;margin-bottom:14px;background:#fafbfc}.properties-legend{font-size:12px;font-weight:600;color:#334155;padding:0 6px;background:#fafbfc}.properties-label{display:grid;gap:4px;margin-bottom:10px}.properties-label-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;cursor:pointer}.properties-input{width:100%;padding:8px 10px;border:1px solid #cbd5e1;border-radius:6px;font-size:13px;background:#fff;transition:border-color .15s,box-shadow .15s;outline:none}.properties-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.properties-input-error{border:2px solid #dc2626;box-shadow:0 0 0 3px #dc26261a}.properties-error-text{color:#dc2626;font-size:11px;margin-top:2px;line-height:1.4}.properties-warning-text{color:#f59e0b;font-size:11px;margin-top:2px;line-height:1.4}.properties-helper-text{font-size:11px;color:#6b7280;margin-top:4px}.properties-helper-text-italic{font-size:11px;color:#6b7280;margin-bottom:12px;font-style:italic}.manufacturing-section{font-size:12px;color:#475569;display:flex;flex-direction:column;gap:4px}.manufacturing-status-row{display:flex;align-items:center;gap:6px}.manufacturing-status-dot{width:6px;height:6px;border-radius:50%;background:#10b981}.manufacturing-status-detail{font-size:11px;color:#94a3b8;margin-left:12px}.grain-matching-info{margin-top:8px;font-size:11px;color:#1e40af;background:#eff6ff;padding:6px 10px;border-radius:4px;border:1px solid #bfdbfe}.shelf-preview-container{margin-top:12px;padding:12px;background-color:#f8f9fa;border-radius:6px;border:1px solid #e5e7eb}.shelf-preview-box{width:100%;height:80px;border:1px solid #d1d5db;background-color:#fff;position:relative;border-radius:4px}.shelf-preview-line{position:absolute;left:5%;right:5%;height:1px;background-color:#9ca3af;border-top:1px dashed #d1d5db}.properties-info-box{padding:12px;margin-bottom:12px;background:#f0f9ff;border-radius:8px;border:1px solid #bfdbfe;font-size:13px;color:#1e40af}.properties-toggle-btn{padding:6px 12px;font-size:12px;font-weight:500;border-radius:4px;cursor:pointer;border:1px solid #cbd5e1;background:#f8fafc;color:#64748b;transition:all .15s}.properties-toggle-btn.active{border:1px solid #3b82f6;background:#dbeafe;color:#1d4ed8}.properties-empty-state-compact{font-size:12px;color:#94a3b8;padding:12px;background:#f8fafc;border-radius:6px;border:1px dashed #cbd5e1;font-style:italic}.properties-helper-text-compact{font-size:11px;color:#9ca3af;margin-bottom:4px}.properties-preview-container{margin-top:12px;padding:12px;background-color:#f8f9fa;border-radius:6px;border:1px solid #e5e7eb}.properties-preview-header{font-size:11px;color:#6b7280;margin-bottom:8px}.properties-preview-box{width:100%;height:60px;border:1px solid #d1d5db;background-color:#fff;position:relative;border-radius:4px}.properties-preview-footer{font-size:10px;color:#9ca3af;margin-top:6px;text-align:center}.properties-label-hint{font-size:10px;color:#9ca3af}.properties-list{margin:8px 0 0;padding-left:20px}.properties-italic-small{font-size:11px;font-style:italic}.properties-flex-row-wrap{display:flex;flex-wrap:wrap;gap:8px}.properties-label-text{font-size:12px;color:#6b7280}.properties-label-subtext{font-size:11px;color:#9ca3af;margin-bottom:4px}.properties-margin-top-small{margin-top:4px}.properties-margin-top-medium{margin-top:8px}.properties-preview-box-centered{display:flex;align-items:center;justify-content:center}.properties-preview-text-small{font-size:10px;color:#6b7280}