:root{--tm-paper: #fffdf7;--tm-paper-edge: #333;--tm-edge: #1a5fb4;--tm-node: #1a1a1a;--tm-leaf: #c01c28;--tm-sub: #888;--tm-selected: #e66100;--tm-active: #2ec27e;--tm-feasible: #f5c211;--tm-infeasible: #c01c28;--tm-sym: #9141ac;--tm-bg: #e8e8e8;--tm-panel: #f6f6f6;--tm-border: #ccc}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font:13px/1.4 system-ui,sans-serif;color:#1a1a1a}#app{display:grid;grid-template-columns:1fr 260px;grid-template-rows:auto 1fr auto;height:100%}.tm-toolbar{grid-column:1 / 3;display:flex;gap:6px;align-items:center;padding:6px 10px;background:var(--tm-panel);border-bottom:1px solid var(--tm-border)}.tm-toolbar button{font:inherit;padding:3px 8px}.tm-canvas-host{position:relative;background:var(--tm-bg);overflow:hidden}.tm-sidebar{background:var(--tm-panel);border-left:1px solid var(--tm-border);overflow:auto;padding:8px}.tm-statusbar{grid-column:1 / 3;padding:4px 10px;background:var(--tm-panel);border-top:1px solid var(--tm-border);font-size:12px;color:#444}.tm-design{display:block}.tm-design:focus{outline:none}.tm-paper{fill:var(--tm-paper);stroke:var(--tm-paper-edge);stroke-width:1.5}.tm-symline{stroke:var(--tm-sym);stroke-width:1;stroke-dasharray:6 4}.tm-edge{stroke:var(--tm-edge);stroke-width:2.5;stroke-linecap:round;cursor:pointer}.tm-edge.tm-selected{stroke:var(--tm-selected);stroke-width:4}.tm-crease{stroke-width:1;fill:none}.tm-crease.tm-mountain{stroke:#c01c28}.tm-crease.tm-valley{stroke:#1a5fb4;stroke-dasharray:5 3}.tm-crease.tm-border{stroke:#333;stroke-width:1.2}.tm-crease.tm-flat{stroke:#bbb}.tm-path{stroke-width:1.5;opacity:.7;pointer-events:stroke}.tm-path-active{stroke:var(--tm-active)}.tm-path-feasible{stroke:var(--tm-feasible)}.tm-path-infeasible{stroke:var(--tm-infeasible);stroke-dasharray:4 3}.tm-node{fill:var(--tm-node);stroke:#fff;stroke-width:1;cursor:pointer}.tm-node.tm-leaf{fill:var(--tm-leaf)}.tm-node.tm-sub{fill:var(--tm-sub)}.tm-node.tm-selected{stroke:var(--tm-selected);stroke-width:3}.tm-condition{fill:var(--tm-sym);stroke:#fff;stroke-width:.5;cursor:pointer}.tm-condition.tm-infeasible{fill:var(--tm-infeasible)}.tm-label{fill:#333;font-size:11px;pointer-events:none}.tm-edge-label{fill:var(--tm-edge);text-anchor:middle}.tm-sidebar{display:flex;flex-direction:column;gap:12px}.tm-panel-title{font-weight:600;margin:4px 0;padding-bottom:2px;border-bottom:1px solid var(--tm-border)}.tm-row{display:flex;align-items:center;gap:8px;margin:3px 0}.tm-row-label{flex:0 0 72px;color:#555}.tm-input{flex:1 1 auto;min-width:0;font:inherit;padding:2px 4px}.tm-check{margin:0}.tm-readonly{color:#333}.tm-presets{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:6px}.tm-presets button{font:inherit;padding:2px 6px}.tm-toolbar button:disabled{opacity:.4}.tm-subhead{font-weight:600;color:#555;margin:10px 0 4px;font-size:12px}.tm-btn-group{display:flex;flex-wrap:wrap;gap:4px;align-items:center}.tm-action{font:inherit;padding:3px 7px;cursor:pointer}.tm-folded-host{height:220px;background:var(--tm-paper);border:1px solid var(--tm-border)}.tm-folded{display:block}.tm-folded-facet{fill:#1a5fb41f;stroke:#1a5fb466;stroke-width:.5}