diff --git a/src/routes/clients.$clientId.tsx b/src/routes/clients.$clientId.tsx
index 5ae32ad..387b579 100644
--- a/src/routes/clients.$clientId.tsx
+++ b/src/routes/clients.$clientId.tsx
@@ -36,8 +36,24 @@ function ClientDetail() {
       supabase.from("cases").select("id, case_number, title, status, opened_at").eq("client_id", clientId).order("opened_at", { ascending: false }),
     ]);
     if (ce) toast.error("Failed to load client", { description: ce.message });
+    const caseIds = (cs ?? []).map((x: any) => x.id);
+    let totals: Record<string, { hours: number; amount: number }> = {};
+    if (caseIds.length) {
+      const { data: te } = await supabase
+        .from("time_entries")
+        .select("case_id, hours, hourly_rate, billable")
+        .in("case_id", caseIds)
+        .eq("billable", true);
+      (te ?? []).forEach((t: any) => {
+        const h = Number(t.hours) || 0;
+        const r = Number(t.hourly_rate) || 0;
+        if (!totals[t.case_id]) totals[t.case_id] = { hours: 0, amount: 0 };
+        totals[t.case_id].hours += h;
+        totals[t.case_id].amount += h * r;
+      });
+    }
     setClient(c);
-    setCases(cs ?? []);
+    setCases((cs ?? []).map((x: any) => ({ ...x, billed: totals[x.id] ?? { hours: 0, amount: 0 } })));
     setLoading(false);
   };