:root{--bg: #f0f0f0;--panel: #ececec;--panel-2: #f4f4f4;--input: #ffffff;--border: #c4c4c4;--border-strong: #a6a6a6;--text: #2b2b2b;--header: #1d1d1d;--muted: #6a6a6a;--accent: #2f6fb0;--sel-bg: #d7e7f7;--active: #4a4a4a;--brand: #d4142a;--canvas: #e6e6e6}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:12px/1.4 Segoe UI,system-ui,sans-serif;color:var(--text);background:var(--bg)}button{font:inherit;color:inherit;cursor:pointer}.app{display:flex;flex-direction:column;height:100%}.app-body{display:flex;flex:1;min-height:0}.menubar{display:flex;align-items:center;gap:2px;padding:3px 8px;background:var(--bg);border-bottom:1px solid var(--border)}.menubar .brand{font-weight:700;color:var(--brand);margin-right:14px;letter-spacing:.01em;display:inline-flex;align-items:center;gap:4px}.menubar .brand .ti{font-size:15px}.edge-rail{display:flex;flex-direction:column;background:var(--bg)}.edge-rail-left{border-right:1px solid var(--border)}.edge-rail-right{border-left:1px solid var(--border)}.edge-tab{writing-mode:vertical-rl;background:#dedede;border:1px solid var(--border);border-radius:0;padding:10px 3px;color:var(--text);font-size:11px;margin:0 0 -1px}.edge-rail-left .edge-tab{transform:rotate(180deg)}.edge-tab:hover{background:#e8e8e8}.edge-tab.active{background:var(--panel);border-right-color:var(--panel);color:var(--header);font-weight:700}.menu-item{background:none;border:none;padding:3px 8px;border-radius:3px;color:var(--text)}.menu-item:hover{background:#dcdcdc}.menubar-spacer{flex:1}.menu-sep{width:1px;height:14px;background:var(--border);margin:0 6px}.menu-label{color:var(--muted);font-size:11px}.left-panel{width:238px;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding:8px}.left-tabs{display:flex;gap:0;margin-bottom:10px}.left-tabs button{flex:1;padding:6px;background:#dedede;border:1px solid var(--border);color:var(--text)}.left-tabs button:first-child{border-radius:3px 0 0 3px}.left-tabs button:last-child{border-radius:0 3px 3px 0;border-left:none}.left-tabs button.active{background:var(--active);border-color:var(--active);color:#fff}.left-subhead{display:flex;align-items:center;justify-content:space-between;padding:2px 2px 6px;color:var(--header);font-weight:700;border-bottom:1px solid var(--border);margin-bottom:8px}.left-subhead .subhead-icons{color:var(--muted);display:flex;gap:8px;font-weight:400}.tool-group{margin-bottom:10px}.tool-group h4{margin:8px 0 6px;color:var(--header);font-size:12px;font-weight:700}.cmd-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:3px}.cmd-btn{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--input);border:1px solid var(--border);border-radius:3px;color:#2f6fb0;font-size:17px;padding:0}.cmd-btn:hover:not(:disabled){background:#eef5fc;border-color:var(--accent)}.cmd-btn.active{background:var(--sel-bg);border-color:var(--accent);color:#143a5e}.cmd-btn:disabled{opacity:.4;cursor:not-allowed}.job-dims{margin-top:12px;padding-top:8px;border-top:1px solid var(--border);color:var(--text);font-size:11px}.job-dims h4{margin:0 0 4px;color:var(--header);font-size:12px;font-weight:700}.job-dims div{color:var(--muted);padding:1px 0}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}.tool-btn{padding:7px 4px;background:var(--input);border:1px solid var(--border);border-radius:3px;font-size:12px;color:var(--text)}.tool-btn:hover:not(:disabled){background:#f0f6fc;border-color:var(--accent)}.tool-btn.active{background:var(--sel-bg);border-color:var(--accent);color:#143a5e;font-weight:500}.tool-btn:disabled{opacity:.45;cursor:not-allowed}.op-amount{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:4px 0 6px;color:var(--text);font-size:12px}.op-amount input{width:72px;background:var(--input);color:var(--text);border:1px solid var(--border);border-radius:3px;padding:3px 5px}.op-amount input:focus,.op-amount select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #2f6fb033}.op-amount select{background:var(--input);color:var(--text);border:1px solid var(--border);border-radius:3px;padding:3px 4px}.array-params{border:1px solid var(--border);border-radius:4px;padding:4px 8px 6px;margin:8px 0 0;background:var(--panel-2)}.array-params legend{color:var(--header);font-size:12px;font-weight:700;padding:0 4px}.array-params .op-amount{margin:3px 0}.toolpath-row{display:flex;align-items:center;gap:6px}.toolpath-row .grow{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{background:none;border:none;cursor:pointer;padding:0;font-size:13px;line-height:1}.link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:11px;padding:0}.link:hover{text-decoration:underline}.view-area{flex:1;display:flex;flex-direction:column;min-width:0}.view-toolbar{display:flex;align-items:center;gap:10px;padding:3px 8px;background:var(--bg);border-bottom:1px solid var(--border)}.view-toolbar .seg{display:flex}.view-toolbar .seg button{padding:4px 12px;background:#dedede;border:1px solid var(--border);color:var(--text)}.view-toolbar .seg button:first-child{border-radius:3px 0 0 3px}.view-toolbar .seg button:last-child{border-radius:0 3px 3px 0;border-left:none}.view-toolbar .seg button.active{background:var(--active);border-color:var(--active);color:#fff}.view-toolbar .dd{display:flex;align-items:center;gap:4px;color:var(--text)}.view-toolbar .dd select{background:var(--input);color:var(--text);border:1px solid var(--border);border-radius:3px;padding:2px 4px}.view-toolbar-spacer{flex:1}.view-toolbar .ghost{background:var(--input);border:1px solid var(--border);border-radius:3px;padding:4px 8px;color:var(--text)}.view-toolbar .ghost:hover{background:#f0f6fc;border-color:var(--accent)}.view-toolbar .ghost.active{background:var(--sel-bg);border-color:var(--accent);color:#143a5e}.view-host{flex:1;min-height:0;background:var(--canvas)}.view-host.split{display:grid;grid-template-columns:1fr 1fr}.canvas2d{width:100%;height:100%;display:block}.ruled{display:grid;grid-template-columns:30px 1fr;grid-template-rows:20px 1fr;height:100%;min-width:0}.ruler-corner{background:var(--panel);border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.ruler{display:block;width:100%;height:100%}.ruler-h{border-bottom:1px solid var(--border)}.ruler-v{border-right:1px solid var(--border)}.canvas-cell{position:relative;min-width:0;min-height:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:100}.modal{width:480px;max-width:92vw;max-height:80vh;background:var(--panel);border:1px solid var(--border-strong);border-radius:4px;display:flex;flex-direction:column;box-shadow:0 8px 30px #00000040}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0;font-size:14px;color:var(--header)}.modal-body{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:12px;overflow:auto}.tool-list{display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--border);padding-right:8px}.tool-list button{text-align:left;padding:5px 7px;background:var(--input);border:1px solid var(--border);border-radius:3px;color:var(--text)}.tool-list button.active{background:var(--sel-bg);border-color:var(--accent);color:#143a5e}.tool-list button.add{margin-top:6px;background:none;border:1px dashed var(--border-strong);color:var(--muted)}.tool-editor .op-amount{margin:5px 0}.tool-editor .op-amount input,.tool-editor .op-amount select{width:110px}.tool-btn.danger{width:100%;margin-top:10px;color:#a32d2d;border-color:#e0a3a3;background:#fceceb}.job-form{padding:12px;overflow:auto}.job-form h4{margin:10px 0 6px;font-size:12px;font-weight:700;color:var(--header)}.job-form h4:first-child{margin-top:0}.radio-row{display:flex;gap:16px;margin:4px 0 6px}.radio-row label{display:flex;align-items:center;gap:5px;color:var(--text)}.datum-grid{display:grid;grid-template-columns:repeat(3,24px);grid-template-rows:repeat(3,24px);gap:6px;border:1px solid var(--border);border-radius:4px;padding:8px;width:max-content;background:var(--input)}.datum-cell{width:24px;height:24px;border:1px solid var(--border-strong);border-radius:3px;background:#fff}.datum-cell.active{background:var(--brand);border-color:var(--brand)}.datum-spacer{width:24px;height:24px}.modal-actions{display:flex;gap:8px;margin-top:14px}.modal-actions .tool-btn{flex:1}.status-bar{display:flex;align-items:center;gap:8px;height:22px;padding:0 10px;background:var(--bg);border-top:1px solid var(--border);color:var(--muted);font-size:11px}.status-spacer{flex:1}.status-bar .coords{font-variant-numeric:tabular-nums;color:var(--text)}.quickkey{width:190px;height:16px;font-size:11px;padding:0 6px;border:1px solid var(--border);border-radius:3px;background:var(--input);color:var(--text)}.quickkey:focus{outline:none;border-color:var(--accent)}.view3d-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted)}.view3d-placeholder .tool-btn{color:var(--text)}.sim-view{position:relative;height:100%;background:#d8d8d8}.sim-rerun{position:absolute;top:8px;right:8px}.view3d-modetoggle{position:absolute;top:8px;left:8px;z-index:2}.sim-view canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.right-panel{width:260px;background:var(--panel);border-left:1px solid var(--border);overflow-y:auto}.panel-section{padding:8px 10px;border-bottom:1px solid var(--border)}.panel-section.muted{opacity:.6}.panel-section h4{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--header)}.layer-list{list-style:none;margin:0;padding:0}.layer-row{display:flex;align-items:center;gap:2px;padding:2px 3px;border-radius:3px;cursor:pointer}.layer-row.active{background:var(--sel-bg)}.layer-row .icon-btn{font-size:13px;color:var(--muted);width:18px;text-align:center}.layer-color{width:18px;height:18px;padding:0;border:1px solid var(--border);border-radius:3px;background:none;cursor:pointer}.layer-name{flex:1;min-width:0;background:transparent;border:1px solid transparent;border-radius:3px;color:var(--text);padding:2px 3px;font-size:11px}.layer-name:hover,.layer-name:focus{border-color:var(--border);background:var(--input);outline:none}.list{list-style:none;margin:0;padding:0}.list li{padding:3px 0;display:flex;align-items:center;gap:6px}.swatch{width:12px;height:12px;border-radius:2px;display:inline-block;border:1px solid var(--border-strong)}.empty{color:var(--muted);font-style:italic;margin:0}.muted{color:var(--muted)}