*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#12131a;--bg-secondary:#181924;--bg-tertiary:#1e2030;--bg-surface:#252738;--bg-elevated:#2d3048;--accent-primary:#e07a2f;--accent-primary-hover:#f08c3e;--accent-secondary:#c9a66b;--accent-highlight:#f5c542;--accent-warm:#d4915a;--text-primary:#e8e8f0;--text-secondary:#9a9ab0;--text-muted:#5a5a70;--border:#2a2a40;--border-light:#353550;--danger:#e74c3c;--danger-hover:#f25c4e;--success:#2ecc71;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:20px;--space-xl:28px;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--transition-fast:.12s ease;--transition-normal:.2s ease;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body.theme-light{--bg-primary:#f0f2f5;--bg-secondary:#fff;--bg-tertiary:#e1e4e8;--bg-surface:#f8f9fa;--bg-elevated:#fff;--text-primary:#1a1a2e;--text-secondary:#4b5563;--text-muted:#9ca3af;--border:#d1d5db;--border-light:#e5e7eb}html,body{height:100%;font-family:var(--font-family);color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;font-size:13px;overflow:hidden}#app{flex-direction:column;width:100vw;height:100vh;display:flex}#view-design{flex:1;grid-template-rows:1fr auto;display:grid;overflow:hidden}#view-cutlist{background:var(--bg-primary);flex:1;overflow-y:auto}#toolbar{padding:0 var(--space-md);background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;height:48px;display:flex}.toolbar-left,.toolbar-center,.toolbar-right{align-items:center;gap:var(--space-sm);display:flex}.toolbar-center{flex:1;justify-content:center}.divider{background:var(--border);width:1px;height:20px;margin:0 var(--space-xs)}.divider-v{background:var(--border);width:1px;height:16px;margin:0 var(--space-xs);border:none;padding:0}#toolbar .btn{border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;display:flex}#toolbar .btn:hover:not(.disabled){background:var(--bg-surface);color:var(--text-primary);border-color:var(--border)}#toolbar .btn:active:not(.disabled){background:var(--bg-elevated);transform:translateY(1px)}#toolbar .btn.disabled{opacity:.4;cursor:not-allowed}.view-controls{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;padding:2px;display:flex}.view-controls .btn.view{border-radius:var(--radius-sm);color:var(--text-muted);border:none;padding:4px 12px;font-size:12px}.view-controls .btn.view:hover{color:var(--text-primary);background:0 0}.view-controls .btn.view.active{background:var(--bg-surface);color:var(--accent-primary);box-shadow:0 1px 3px #0003}.nav-switcher{background:var(--bg-tertiary);border-radius:var(--radius-lg);margin-right:var(--space-md);padding:3px;display:flex}.nav-switcher .btn-nav{border-radius:var(--radius-md);color:var(--text-muted);transition:all var(--transition-fast);padding:6px 16px;font-size:13px;font-weight:600}.nav-switcher .btn-nav.active{background:var(--bg-surface);color:var(--accent-highlight);box-shadow:0 2px 4px #0003}.nav-switcher .btn-nav:hover:not(.active){color:var(--text-primary)}.lang-switcher{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-family);cursor:pointer;transition:border-color var(--transition-fast);outline:none;padding:4px 8px;font-size:12px;font-weight:500}.lang-switcher:hover,.lang-switcher:focus{border-color:var(--accent-primary)}#workspace{grid-template-columns:220px 4px 1fr 4px 260px;display:grid;overflow:hidden}.resizer{background:var(--border);transition:background var(--transition-fast);z-index:5}.resizer:hover,.resizer.dragging{background:var(--accent-primary)}.resizer.horizontal{cursor:col-resize;width:4px}#tree-panel,#properties-panel{background:var(--bg-secondary);border-right:1px solid var(--border);overflow:hidden auto}#properties-panel{border-right:none;border-left:1px solid var(--border)}.panel-header{z-index:2;padding:var(--space-md);background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0}.panel-header h3{color:var(--accent-secondary);font-size:13px;font-weight:600}.tree-content{padding:var(--space-xs) 0}.tree-node{cursor:pointer;transition:background var(--transition-fast);-webkit-user-select:none;user-select:none;border-left:3px solid #0000;justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.tree-node:hover{background:var(--bg-tertiary)}.tree-node.selected{background:var(--bg-surface);border-left-color:var(--accent-highlight)}.tree-node.drag-over{background:var(--bg-surface);box-shadow:inset 0 0 0 2px var(--accent-primary);border-radius:var(--radius-sm)}.tree-label{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.tree-node.leaf .tree-label{color:var(--text-secondary)}.tree-size{color:var(--text-muted);margin-left:var(--space-sm);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:10px}#viewer-panel{background:#0d0e14;position:relative;overflow:hidden}#viewer-container{width:100%;height:100%;display:block}#viewer-container canvas{width:100%!important;height:100%!important}#quotes-overlay{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0}.quote-line{stroke:var(--accent-primary);stroke-width:1.5px;stroke-dasharray:4 2;marker-start:url(#arrow);marker-end:url(#arrow)}.quote-text{fill:var(--text-primary);font-family:var(--font-family);text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:var(--bg-primary);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;font-size:13px;font-weight:600}.form-content{padding:var(--space-md)}.form-section{margin-bottom:var(--space-lg)}.form-section h4,.form-section legend{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:1px solid var(--border);width:100%;font-size:11px;font-weight:600;display:block}.legend-row{margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;display:flex}.legend-row legend{border-bottom:none;margin-bottom:0;padding-bottom:0}.form-header,.tree-header{z-index:2;padding:var(--space-md);background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0}.form-header h3,.tree-header h3{color:var(--accent-secondary);margin:0;font-size:13px;font-weight:600}.form-group{gap:var(--space-xs);margin-bottom:var(--space-sm);flex-direction:column;display:flex}.form-group label{color:var(--text-secondary);font-size:12px;font-weight:500}.form-group input[type=text],.form-group input[type=number]{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-variant-numeric:tabular-nums;transition:border-color var(--transition-fast);outline:none;padding:5px 8px;font-size:12px}.form-group input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #e07a2f26}.form-group input:disabled{opacity:.5;cursor:not-allowed}.form-group.row{justify-content:space-between;align-items:center;gap:var(--space-sm);flex-direction:row}.form-group.row label{text-overflow:ellipsis;white-space:nowrap;flex-shrink:1;min-width:0;overflow:hidden}.form-group-spaced{margin-bottom:var(--space-md)}.help{color:var(--text-muted);margin-bottom:var(--space-sm);font-size:12px;font-style:italic}.empty{color:var(--text-muted);text-align:center;padding:var(--space-xl) var(--space-md);font-size:12px;font-style:italic}.info-grid{gap:var(--space-xs) var(--space-sm);grid-template-columns:auto 1fr;align-items:center;display:grid}.info-grid .label{color:var(--text-secondary);font-size:12px}.info-grid .value{color:var(--accent-warm);font-variant-numeric:tabular-nums;font-size:12px;font-weight:600}.children-list{gap:var(--space-xs);flex-direction:column;display:flex}.child-controls{align-items:center;gap:4px;display:flex}.reorder-controls{flex-direction:column;gap:2px;display:flex}.btn-compact{padding:2px 4px!important;font-size:10px!important;line-height:1!important}.btn-lock-inline{filter:grayscale();opacity:.6;transition:filter var(--transition-fast), opacity var(--transition-fast);margin-left:auto;padding:2px 4px}.btn-lock-inline.is-locked{filter:grayscale(0);opacity:1}.editable-dim{align-items:center;width:100%;display:flex}.dim-input{width:55px;margin-right:4px;padding:2px 4px}.dim-unit{color:var(--text-muted);font-size:11px}.danger-icon{color:var(--danger)}.add-child-wrap{margin-top:var(--space-sm);margin-bottom:var(--space-md)}.btn.full{text-align:center;width:100%}.form-row{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.form-row label{color:var(--text-secondary);flex-shrink:0;min-width:80px;font-size:12px}.input-wrap{flex:1;align-items:center;gap:4px;max-width:140px;display:flex}.input-wrap input{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-family:var(--font-family);font-variant-numeric:tabular-nums;transition:border-color var(--transition-fast);outline:none;padding:5px 8px;font-size:12px}.input-wrap input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #e07a2f26}.input-unit{color:var(--text-muted);flex-shrink:0;align-items:center;gap:4px;font-size:10px;display:flex}.input-unit input{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:60px;color:var(--text-primary);font-family:var(--font-family);font-variant-numeric:tabular-nums;transition:border-color var(--transition-fast);outline:none;padding:4px 6px;font-size:12px}.input-unit input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #e07a2f26}.input-unit input:disabled{opacity:.5;cursor:not-allowed}.input-unit span{color:var(--text-muted);font-size:11px}.form-hint{color:var(--text-muted);text-align:center;padding:var(--space-xl) var(--space-md);font-size:12px;font-style:italic}.form-info{padding:var(--space-sm) 0}.info-row{justify-content:space-between;padding:3px 0;font-size:12px;display:flex}.info-row span{color:var(--text-secondary)}.info-row strong{color:var(--accent-warm);font-variant-numeric:tabular-nums}.subdivide-grid{gap:var(--space-sm);margin-top:var(--space-sm);margin-bottom:var(--space-md);flex-direction:column;display:flex}.sub-ctrl{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition-fast);align-items:stretch;display:flex;overflow:hidden}.sub-ctrl:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 2px #e07a2f26}.sub-ctrl button{color:var(--text-primary);border:none;border-right:1px solid var(--border);cursor:pointer;text-align:left;transition:all var(--transition-fast);background:0 0;flex:1;padding:8px 12px;font-family:inherit;font-size:12px;font-weight:500}.sub-ctrl button:active{background:var(--bg-surface)}.sub-ctrl button:hover{background:var(--bg-secondary);color:var(--accent-primary)}.sub-ctrl input{width:50px;color:var(--accent-primary);text-align:center;appearance:textfield;background:0 0;border:none;outline:none;padding:8px 4px;font-family:inherit;font-size:13px;font-weight:600}.sub-ctrl input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.sub-ctrl input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.btn{border-radius:var(--radius-sm);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;padding:6px 12px;font-size:12px;font-weight:500}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-primary-hover);transform:translateY(-1px);box-shadow:0 2px 8px #e07a2f4d}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-surface);color:var(--accent-warm);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-elevated);border-color:var(--accent-warm);transform:translateY(-1px);box-shadow:0 2px 8px #c9a66b33}.btn-secondary:active{transform:translateY(0)}.btn-danger{background:var(--danger);color:#fff;width:100%}.btn-danger:hover{background:var(--danger-hover);transform:translateY(-1px);box-shadow:0 2px 8px #e14e534d}.btn-danger:active{transform:translateY(0)}.btn-small{background:var(--bg-elevated);color:var(--text-secondary);padding:3px 8px;font-size:11px}.btn-small:hover{color:var(--text-primary)}.btn-ghost{color:var(--text-muted);background:0 0;border:1px solid #0000}.btn-ghost:hover{background:var(--bg-surface);color:var(--text-primary);border-color:var(--border)}#cutlist-panel{background:var(--bg-secondary);border-top:1px solid var(--border);flex-direction:column;max-height:250px;display:flex;overflow:hidden}.cutlist-header{padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.cutlist-header .title{align-items:center;gap:var(--space-sm);display:flex}.cutlist-header h3{color:var(--accent-secondary);margin:0;font-size:12px;font-weight:600}.icon{align-items:center;font-size:14px;line-height:1;display:inline-flex}.cutlist-body{flex:1;overflow-y:auto}.cutlist-body.collapsed{display:none}.cutlist-table{border-collapse:collapse;width:100%;font-size:12px}.cutlist-table th{background:var(--bg-tertiary);text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.3px;border-bottom:1px solid var(--border);padding:6px 12px;font-size:11px;font-weight:600;position:sticky;top:0}.cutlist-table td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:5px 12px}.cutlist-table tr.even{background:var(--bg-secondary)}.cutlist-table tr.odd{background:var(--bg-tertiary)}.cutlist-table tr:hover td{background:var(--bg-surface);color:var(--text-primary)}.cutlist-table td.center{text-align:center}.cutlist-table td.right{text-align:right;font-variant-numeric:tabular-nums}.cutlist-table .label{color:var(--accent-highlight);font-weight:700}.cutlist-table .actions{text-align:right;padding-right:var(--space-md)}.btn-detail{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);padding:2px 6px;font-size:14px}.btn-detail:hover{border-color:var(--accent-primary);background:var(--bg-elevated)}.cutlist-summary{padding:var(--space-sm) var(--space-md);text-align:right;color:var(--text-secondary);border-top:1px solid var(--border);background:var(--bg-tertiary);font-size:12px}.cutlist-summary strong{color:var(--accent-warm)}.text-muted{color:var(--text-muted);font-size:10px}.badge{letter-spacing:.3px;border-radius:3px;padding:2px 6px;font-size:10px;font-weight:600;display:inline-block}.badge.frameV,.badge.frameH{color:var(--accent-secondary);background:#c9a66b26}.badge.shelf,.badge.separator{color:var(--accent-primary);background:#e07a2f26}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}::selection{background:#e07a2f4d}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;width:100vw;height:100vh;animation:fadeIn var(--transition-normal);background:#000000d9;justify-content:center;align-items:center;display:flex;position:fixed;top:0;left:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-light);flex-direction:column;width:90%;max-width:800px;max-height:90vh;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 50px #00000080}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;display:flex}.modal-header h2{color:var(--accent-secondary);font-size:18px}.btn-close{color:var(--text-muted);cursor:pointer;padding:var(--space-sm);transition:color var(--transition-fast);background:0 0;border:none;font-size:24px;line-height:1}.btn-close:hover{color:var(--text-primary)}.modal-body{padding:var(--space-lg);flex:1;overflow-y:auto}.piece-detail-grid{gap:var(--space-xl);grid-template-columns:1fr 280px;display:grid}.piece-viz{border-radius:var(--radius-md);padding:var(--space-lg);background:#fff;justify-content:center;align-items:center;min-height:300px;display:flex}.piece-viz svg{width:100%;height:100%;max-height:400px}.piece-info h4{text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-md);border-bottom:1px solid var(--border);padding-bottom:var(--space-xs);font-size:11px}.piece-stats{margin-bottom:var(--space-xl)}.piece-stats-row{padding:var(--space-sm) 0;border-bottom:1px solid var(--border);justify-content:space-between;display:flex}.piece-stats-row .label{color:var(--text-secondary)}.piece-stats-row .value{color:var(--accent-warm);font-size:14px;font-weight:600}.modal-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border);text-align:right;background:var(--bg-tertiary)}@media (width<=768px){.piece-detail-grid{grid-template-columns:1fr}.modal-content{width:95%}}#view-cutlist{color:#000;background:#fff;flex:1;overflow-y:auto}.full-cutlist-container{max-width:900px;margin:0 auto;padding:60px 40px}.full-cutlist-header{border-bottom:4px solid #000;flex-direction:column;gap:10px;margin-bottom:60px;padding-bottom:20px;display:flex}.full-cutlist-header h2{color:#000;text-transform:uppercase;letter-spacing:-1px;font-size:42px;font-weight:800}.full-cutlist-stats{color:#333;font-size:16px;font-weight:600}.full-cutlist-stats .divider{opacity:.2;margin:0 10px}.full-cutlist-grid{flex-direction:column;display:flex}.cutlist-card{border-bottom:2px solid #eee;flex-direction:column;gap:30px;padding:60px 0;display:flex}.cutlist-card:last-child{border-bottom:none}.card-header{justify-content:space-between;align-items:flex-end;display:flex}.card-title{align-items:center;gap:20px;display:flex}.card-label{color:#fff;background:#000;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;font-weight:800;display:flex}.card-title h3{color:#000;margin:0;font-size:28px;font-weight:700}.card-content{grid-template-columns:1fr 280px;align-items:center;gap:40px;display:grid}.card-viz{background:#fff;flex-direction:column;justify-content:center;align-items:center;min-height:400px;display:flex}.card-viz svg{width:100%;max-height:450px}.card-viz .rect{fill:#fff!important;stroke:#000!important;stroke-width:3px!important}.card-viz .internal-label{fill:#f5f5f5!important;color:#f5f5f5!important}.card-viz .quote-line{stroke:#000!important;stroke-width:1.5px!important}.card-viz .quote-text{fill:#000!important;font-weight:800!important}.card-info{border:2px solid #000;flex-direction:column;gap:15px;padding:20px;display:flex}.stat-row{flex-direction:column;gap:2px;display:flex}.stat-row .label{color:#666;text-transform:uppercase;font-size:12px;font-weight:700}.stat-row .value{color:#000;font-size:20px;font-weight:800}.stat-row.holes-stat{border-top:1px solid #ddd;margin-top:5px;padding-top:10px}.stat-row.holes-stat .label{color:#e63946}.stat-row.holes-stat .value{color:#e63946;font-size:16px}.card-viz .hole-circle{stroke:#e63946!important;stroke-width:2px!important}.card-viz .hole-cross{stroke:#e63946!important;stroke-width:1px!important}.card-viz .hole-quote-line{stroke:#2a9d8f!important}.card-viz .hole-quote-text{fill:#2a9d8f!important;font-weight:700!important}.card-viz .hole-spec-text{fill:#e63946!important;font-weight:800!important}.card-viz svg{cursor:zoom-in}.zoom-modal{z-index:1000;display:none;position:fixed;inset:0}.zoom-modal.open{justify-content:center;align-items:center;display:flex}.zoom-modal-backdrop{background:#000000d9;position:absolute;inset:0}.zoom-portal{z-index:1;cursor:grab;flex-direction:column;justify-content:center;align-items:center;width:90vw;height:90vh;display:flex;position:relative;overflow:visible}.zoom-portal svg{transform-origin:50%;max-width:100%;max-height:90vh;transition:none}.zoom-controls{z-index:2;gap:8px;display:flex;position:absolute;top:20px;right:20px}.zoom-btn{color:#e8e8f0;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#1e2030d9;border:2px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;font-weight:700;transition:background .15s,border-color .15s,transform .1s;display:flex}.zoom-btn:hover{border-color:var(--accent-primary);background:#323650f2;transform:scale(1.1)}.zoom-btn:active{transform:scale(.95)}