:root{--bg: #f2f3f5;--panel-bg: #ffffff;--panel-border: #d9dbe0;--text: #24292f;--text-dim: #6a737d;--accent: #2f7df6;--accent-soft: rgba(47, 125, 246, .12);--btn-hover: #e8eaee;--canvas-bg: #ffffff;--grid-line: rgba(0, 0, 0, .08);--grid-axis: rgba(0, 0, 0, .28);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:13px}:root[data-theme=dark]{--bg: #1b1d21;--panel-bg: #24272c;--panel-border: #34383f;--text: #dfe2e6;--text-dim: #8b929b;--accent: #4a90ff;--accent-soft: rgba(74, 144, 255, .18);--btn-hover: #2f333a;--canvas-bg: #ffffff;--grid-line: rgba(0, 0, 0, .08);--grid-axis: rgba(0, 0, 0, .3)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;overflow:hidden}body{background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;height:100%}.app-main{flex:1;display:flex;min-height:0}.topbar{display:flex;align-items:center;gap:4px;padding:6px 10px;background:var(--panel-bg);border-bottom:1px solid var(--panel-border);-webkit-user-select:none;user-select:none;flex-wrap:wrap}.app-title{font-weight:600;margin-right:12px;white-space:nowrap}.logo{color:var(--accent)}.bar-btn{background:transparent;color:var(--text);border:1px solid transparent;border-radius:6px;padding:5px 9px;cursor:pointer;font-size:13px}.bar-btn:hover:not(:disabled){background:var(--btn-hover)}.bar-btn:disabled{opacity:.35;cursor:default}.bar-sep{width:1px;height:20px;background:var(--panel-border);margin:0 4px}.bar-flex{flex:1}.bar-toggle{display:inline-flex;align-items:center;gap:4px;color:var(--text-dim);padding:0 4px;cursor:pointer;white-space:nowrap}.bar-num{width:58px;background:var(--bg);border:1px solid var(--panel-border);color:var(--text);border-radius:6px;padding:4px 6px}.menu-group{position:relative}.menu-dropdown{position:absolute;top:100%;left:0;z-index:50;min-width:220px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:8px;box-shadow:0 8px 24px #00000040;padding:4px;display:flex;flex-direction:column}.menu-dropdown button{text-align:left;background:transparent;border:none;color:var(--text);padding:7px 10px;border-radius:6px;cursor:pointer;font-size:13px}.menu-dropdown button:hover:not(:disabled){background:var(--accent-soft)}.menu-dropdown button:disabled{opacity:.35;cursor:default}.menu-dropdown hr{border:none;border-top:1px solid var(--panel-border);margin:4px 6px}.toolbar{display:flex;flex-direction:column;gap:4px;padding:8px 6px;background:var(--panel-bg);border-right:1px solid var(--panel-border);-webkit-user-select:none;user-select:none}.tool-btn{position:relative;width:44px;height:44px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center}.tool-btn:hover{background:var(--btn-hover)}.tool-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.tool-icon{font-size:19px;line-height:1}.tool-key{position:absolute;right:3px;bottom:2px;font-size:9px;color:var(--text-dim)}.canvas-container{flex:1;min-width:0;background:var(--canvas-bg);position:relative;overflow:hidden}.canvas-container svg{display:block;touch-action:none}.cursor-crosshair svg{cursor:crosshair}.grid-line{stroke:var(--grid-line);stroke-width:1}.grid-axis{stroke:var(--grid-axis);stroke-width:1}.selection-outline{fill:none;stroke:var(--accent);stroke-width:1.4;stroke-dasharray:4 3;pointer-events:none}.handle{fill:#fff;stroke:var(--accent);stroke-width:1.4}.handle-rotate{cursor:grab}.marquee{fill:#2f7df614;stroke:var(--accent);stroke-width:1;stroke-dasharray:4 3;pointer-events:none}.pen-preview path{stroke:var(--accent);stroke-width:1.4;stroke-dasharray:5 3}.pen-node{fill:#fff;stroke:var(--accent);stroke-width:1.4}.pen-node-first{fill:var(--accent-soft)}.smart-guide{stroke:#e91e63;stroke-width:1;stroke-dasharray:6 3;pointer-events:none}.measure line{stroke:#e91e63;stroke-width:1.4}.measure circle{fill:#e91e63}.measure text{fill:#e91e63;font-weight:600;paint-order:stroke;stroke:#fff;stroke-width:.35em}.node-handle-line{stroke:var(--accent);stroke-width:1;opacity:.7}.node-handle{fill:#fff;stroke:var(--accent);stroke-width:1.2;cursor:move}.path-node{fill:#fff;stroke:#7b3ff2;stroke-width:1.4;cursor:move}.path-node-selected{fill:#7b3ff2}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:100;display:flex;align-items:center;justify-content:center}.dialog{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:10px;box-shadow:0 16px 48px #00000059;padding:16px 18px;min-width:300px}.dialog-title{font-weight:600;font-size:14px;margin-bottom:10px}.dialog .prop-field span{min-width:150px}.dialog-check{display:flex;margin:8px 0;color:var(--text)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.dialog-actions .primary{background:var(--accent);color:#fff}.prop-field select{flex:1;min-width:0;background:var(--bg);border:1px solid var(--panel-border);color:var(--text);border-radius:6px;padding:5px 7px;font-size:13px}.right-panels{width:272px;display:flex;flex-direction:column;border-left:1px solid var(--panel-border);background:var(--panel-bg);min-height:0}.panel{padding:10px 12px;overflow-y:auto}.props-panel{border-bottom:1px solid var(--panel-border);flex:0 0 auto;max-height:55%}.objects-panel{flex:1;min-height:0;display:flex;flex-direction:column}.panel-title{font-weight:600;margin:6px 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim)}.panel-hint{color:var(--text-dim);font-size:12px;line-height:1.5}.prop-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;margin-bottom:8px}.prop-field{display:flex;align-items:center;gap:6px;margin:4px 0}.prop-field span{color:var(--text-dim);min-width:16px;white-space:nowrap}.prop-field input,.prop-field textarea{flex:1;min-width:0;background:var(--bg);border:1px solid var(--panel-border);color:var(--text);border-radius:6px;padding:5px 7px;font-size:13px;font-family:inherit}.prop-field-wide{align-items:flex-start}.cut-type-row{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:8px}.cut-btn{border:1px solid var(--panel-border);background:var(--bg);color:var(--text);border-radius:6px;padding:4px 8px;cursor:pointer;font-size:12px;display:inline-flex;align-items:center;gap:5px}.cut-btn:before{content:"";width:11px;height:11px;border-radius:3px;display:inline-block;border:1px solid rgba(0,0,0,.4)}.cut-btn.cut-exterior:before{background:#1c1c1c}.cut-btn.cut-interior:before{background:#fff}.cut-btn.cut-online:before{background:transparent;border-color:#7d7d7d;border-width:2px}.cut-btn.cut-pocket:before{background:#8f8f8f}.cut-btn.cut-guide:before{background:transparent;border-color:#2f7df6;border-width:2px}.cut-btn.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.objects-list{flex:1;overflow-y:auto;margin:0 -6px}.object-row{display:flex;align-items:center;gap:7px;padding:5px 8px;border-radius:6px;cursor:pointer;-webkit-user-select:none;user-select:none}.object-row:hover{background:var(--btn-hover)}.object-row.selected{background:var(--accent-soft)}.object-swatch{width:12px;height:12px;border-radius:3px;border:1px solid rgba(0,0,0,.4);flex:0 0 auto}.object-swatch.cut-exterior{background:#1c1c1c}.object-swatch.cut-interior{background:#fff}.object-swatch.cut-online{background:transparent;border-color:#7d7d7d;border-width:2px}.object-swatch.cut-pocket{background:#8f8f8f}.object-swatch.cut-guide{background:transparent;border-color:#2f7df6;border-width:2px}.object-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.object-row input{flex:1;min-width:0;background:var(--bg);border:1px solid var(--accent);color:var(--text);border-radius:4px;padding:2px 5px;font-size:12px}.object-actions{display:none;gap:1px}.object-row:hover .object-actions,.object-row.selected .object-actions{display:inline-flex}.object-actions button{background:transparent;border:none;color:var(--text-dim);cursor:pointer;padding:1px 3px;font-size:11px;border-radius:4px}.object-actions button:hover{background:var(--btn-hover);color:var(--text)}.object-actions button.flag-on{color:var(--accent)}.statusbar{display:flex;align-items:center;gap:18px;padding:5px 12px;background:var(--panel-bg);border-top:1px solid var(--panel-border);color:var(--text-dim);font-size:12px;-webkit-user-select:none;user-select:none;white-space:nowrap}.status-coords{min-width:130px;font-variant-numeric:tabular-nums}.status-zoom{min-width:44px}.status-msg{overflow:hidden;text-overflow:ellipsis}