:root{--bg: #f4f4f2;--canvas-bg: #ecece9;--grid-line: rgba(20, 20, 30, .07);--grid-line-strong: rgba(20, 20, 30, .12);--surface: #ffffff;--surface-2: #fbfbfa;--border: #e2e2dd;--border-strong: #cfcfc8;--text: #1c1c1e;--text-dim: #6b6b6e;--text-faint: #9a9a9d;--accent: #4f46e5;--accent-soft: #eef0ff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06), 0 1px 1px rgba(0, 0, 0, .04);--shadow-md: 0 6px 20px rgba(0, 0, 0, .1), 0 2px 6px rgba(0, 0, 0, .06);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .18);--radius: 10px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo, monospace;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #16161a;--canvas-bg: #101014;--grid-line: rgba(255, 255, 255, .05);--grid-line-strong: rgba(255, 255, 255, .1);--surface: #1e1e24;--surface-2: #24242b;--border: #303038;--border-strong: #3d3d47;--text: #ececee;--text-dim: #9a9aa2;--text-faint: #6c6c75;--accent: #7c7bff;--accent-soft: #232338;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 6px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .6)}}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow:hidden}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;color:var(--text)}.app{display:flex;flex-direction:column;height:100%}.toolbar{display:flex;align-items:center;gap:8px;height:52px;padding:0 14px;background:var(--surface);border-bottom:1px solid var(--border);z-index:30;flex-shrink:0}.toolbar__brand{display:flex;align-items:center;gap:8px;font-weight:650;letter-spacing:-.01em;padding-right:8px;margin-right:4px;border-right:1px solid var(--border);height:100%}.toolbar__brand svg{color:var(--accent)}.toolbar__name{background:transparent;border:1px solid transparent;border-radius:6px;padding:5px 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var(--border-strong);border-radius:7px;overflow:hidden;height:32px}.zoom-pill button{border:none;background:var(--surface);width:30px;height:100%;font-size:15px;color:var(--text-dim)}.zoom-pill button:hover{background:var(--surface-2);color:var(--text)}.zoom-pill span{min-width:46px;text-align:center;font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-dim);border-left:1px solid var(--border);border-right:1px solid var(--border);height:100%;display:flex;align-items:center;justify-content:center}.workspace{position:relative;flex:1;overflow:hidden}.canvas{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--canvas-bg);overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none}.canvas--panning{cursor:grabbing}.canvas--connecting{cursor:crosshair}.world{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}.grid-layer{position:absolute;left:-20000px;top:-20000px;width:40000px;height:40000px;pointer-events:none;opacity:0;transition:opacity .18s ease;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),linear-gradient(var(--grid-line-strong) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line-strong) 1px,transparent 1px);background-size:20px 20px,20px 20px,100px 100px,100px 100px}.canvas--grid .grid-layer{opacity:1}.link-layer{position:absolute;left:-20000px;top:-20000px;width:40000px;height:40000px;overflow:visible;pointer-events:none}.link-layer__hit{fill:none;stroke:transparent;stroke-width:16;pointer-events:stroke;cursor:pointer}.link-layer__line{fill:none;stroke:var(--border-strong);stroke-width:1.75;transition:stroke .12s}.link-layer__group:hover .link-layer__line{stroke:var(--text-faint)}.link-layer__group--selected .link-layer__line{stroke:var(--accent);stroke-width:2.25}.link-layer__marker{fill:none;stroke:var(--border-strong);stroke-width:1.75}.link-layer__group:hover .link-layer__marker{stroke:var(--text-faint)}.link-layer__group--selected .link-layer__marker{stroke:var(--accent);stroke-width:2.25}.link-layer__badge{fill:var(--surface);stroke:var(--border-strong);stroke-width:1}.link-layer__group--selected .link-layer__badge{stroke:var(--accent)}.link-layer__badge-text{fill:var(--text-dim);font-size:10px;font-weight:650;font-family:var(--mono);text-anchor:middle;dominant-baseline:central}.link-layer__ghost{fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:5 4}.node{position:absolute;top:0;left:0;width:max-content;min-width:168px;max-width:340px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:box-shadow .14s,border-color .14s}.node:hover{box-shadow:var(--shadow-md)}.node--selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow-md)}.node--dragging{box-shadow:var(--shadow-lg);cursor:grabbing}.node__header{display:flex;align-items:center;gap:7px;padding:8px 11px;font-weight:650;font-size:13px;letter-spacing:-.005em;color:#fff;cursor:grab;-webkit-user-select:none;user-select:none;border-radius:calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0}.node__header .dot{width:7px;height:7px;border-radius:50%;background:#ffffffe6;flex-shrink:0}.node__note-flag{margin-left:auto;opacity:.85;display:flex}.node__rows{display:flex;flex-direction:column;border-radius:0 0 calc(var(--radius) - 1px) calc(var(--radius) - 1px)}.node__row:last-child{border-radius:0 0 calc(var(--radius) - 1px) calc(var(--radius) - 1px)}.node__row{display:grid;grid-template-columns:20px 1fr auto;align-items:center;gap:8px;padding:5px 11px;font-size:12px;border-top:1px solid 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scale(1.25);background:var(--accent)}.node__port--left{left:-7px}.node__port--right{right:-7px}.inspector{position:absolute;top:12px;right:12px;bottom:12px;width:316px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;z-index:20;overflow:hidden}.inspector__head{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--border)}.inspector__head h2{font-size:13px;font-weight:650}.inspector__kind{font-size:10px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--text-faint)}.inspector__body{padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;flex:1}.field{display:flex;flex-direction:column;gap:5px}.field>label{font-size:11px;font-weight:600;color:var(--text-dim);letter-spacing:.01em}.input,.textarea,.select{width:100%;padding:7px 9px;font-size:12.5px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:7px;color:var(--text)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--accent);background:var(--surface)}.textarea{resize:vertical;min-height:66px;line-height:1.5}.seg{display:flex;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:7px;padding:2px;gap:2px}.seg button{flex:1;border:none;background:transparent;padding:6px 8px;font-size:12px;font-weight:600;color:var(--text-dim);border-radius:5px;font-family:var(--mono)}.seg button[data-active=true]{background:var(--accent);color:#fff}.cols{display:flex;flex-direction:column;gap:6px}.col-edit{display:grid;grid-template-columns:1fr 1fr auto;gap:5px;align-items:center}.col-edit .input{padding:5px 7px;font-size:11.5px}.col-edit__meta{display:flex;gap:4px}.chip{border:1px solid var(--border-strong);background:var(--surface-2);border-radius:5px;font-size:9.5px;font-weight:700;font-family:var(--mono);padding:3px 5px;color:var(--text-faint)}.chip[data-active=true]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.icon-btn{border:1px solid transparent;background:transparent;border-radius:6px;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-faint)}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.icon-btn--danger:hover{color:#e5484d}.swatches{display:flex;gap:6px;flex-wrap:wrap}.swatch{width:22px;height:22px;border-radius:6px;border:2px solid transparent}.swatch[data-active=true]{border-color:var(--text)}.inspector__foot{padding:12px 14px;border-top:1px solid var(--border)}.sheet{position:absolute;left:12px;right:12px;bottom:12px;max-width:820px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);z-index:25;max-height:46vh;display:flex;flex-direction:column;animation:sheet-in .16s ease}@keyframes sheet-in{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.sheet--wide{right:12px}.sheet__head{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid var(--border)}.sheet__title{font-weight:650;font-size:13.5px;display:flex;align-items:center;gap:8px}.sheet__title .tag{font-family:var(--mono);font-size:11px;font-weight:600;padding:2px 6px;border-radius:5px;background:var(--accent-soft);color:var(--accent)}.sheet__pill{font-family:var(--mono);font-size:11px;color:var(--text-dim);border:1px solid var(--border);border-radius:20px;padding:2px 9px}.sheet__body{padding:14px;overflow-y:auto;font-size:13px;line-height:1.62;color:var(--text)}.sheet__body p+p{margin-top:10px}.sheet__empty{color:var(--text-faint);font-style:italic}.sheet__edit{width:100%;border:1px dashed var(--border-strong);background:var(--surface-2);border-radius:8px;padding:10px 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