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8px)}.port-label--top,.port-label--bottom{writing-mode:vertical-rl;transform:translate(-50%)}.port-label--top{bottom:calc(100% + 6px)}.port-label--bottom{top:calc(100% + 6px)}.component-node.has-bottom-ports .component-node__frame{margin-bottom:52px}.route-path{pointer-events:none}.route-segment{fill:none;stroke:#0000;stroke-width:12px;pointer-events:stroke}.route-segment--horizontal{cursor:ns-resize}.route-segment--vertical{cursor:ew-resize}.route-label{color:#334155;pointer-events:none;background:#fff;border:1px solid #dbe3ec;border-radius:4px;padding:2px 6px;font-size:11px;position:absolute}:root{--bg:#eef1f6;--bg-panel:#fff;--bg-elevated:#f8fafc;--bg-input:#fff;--canvas:#fff;--grid:#e6ebf2;--border:#d7dee9;--border-strong:#b9c4d4;--text:#3f4a5f;--text-strong:#0f172a;--text-muted:#6b7688;--accent:#0284c7;--accent-strong:#0369a1;--accent-soft:#e0f2fe;--danger:#dc2626;--warning:#b45309;--ok:#15803d;--radius:6px;--shadow:0 1px 2px #0f172a0f, 0 1px 8px #0f172a0a;--sans:"Inter", 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var(--accent);outline-offset:1px}label{color:var(--text-muted);flex-direction:column;gap:4px;font-size:13px;display:flex}button{font:inherit;color:var(--text-strong);background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:8px 12px}button:hover:not(:disabled){border-color:var(--border-strong);background:#eef2f7}button:disabled{opacity:.45;cursor:not-allowed}button.primary:hover:not(:disabled){background:#075985;border-color:#075985}button.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff;font-weight:600}button.ghost,a.button.ghost{background:0 0}code{font-family:var(--mono);font-size:13px}[role=alert]{color:var(--danger)}