diff --git a/frontend/src/pages/EuroSimulator.tsx b/frontend/src/pages/EuroSimulator.tsx
index 0b63fbf..f0a28f0 100644
--- a/frontend/src/pages/EuroSimulator.tsx
+++ b/frontend/src/pages/EuroSimulator.tsx
@@ -336,6 +336,7 @@ function CausalChain({ r, base }: { r: ModelResult; base: Params }) {
       <Node x={fedX - 22} y={yIn1} label="CPI US / NFP" col={r.fed_fwd_signal > 0.4 ? '#f87171' : '#94a3b8'} w={98} />
       <Node x={fedX + 30} y={yIn2} label="PMI US"        col="#94a3b8" w={70} />
       <Arr x1={fedX - 8} y1={yIn1 + 14} x2={fedX - 5}  y2={yCB - 17} col={fedRateC} w={1.4} />
+      <Arr x1={fedX + 28} y1={yIn2 + 13} x2={fedX + 8} y2={yCB - 17} col="#94a3b8" w={1.1} dashed />
 
       {/* EU inputs */}
       <Node x={ecbX + 22} y={yIn1} label="CPI EU / PMI" col={r.ecb_fwd_signal > 0.4 ? '#34d399' : '#94a3b8'} w={98} />