diff --git a/src/Web/StellaOps.Web/src/app/features/policy-governance/schema-playground.component.ts b/src/Web/StellaOps.Web/src/app/features/policy-governance/schema-playground.component.ts
index 55fa16b17..911e8d3f5 100644
--- a/src/Web/StellaOps.Web/src/app/features/policy-governance/schema-playground.component.ts
+++ b/src/Web/StellaOps.Web/src/app/features/policy-governance/schema-playground.component.ts
@@ -374,7 +374,8 @@ import {
 
     .line-numbers {
       padding: 1rem 0.5rem;
-      background: var(--color-terminal-bg);
+      background: var(--color-surface-secondary);
+      border-right: 1px solid var(--color-border-primary);
       text-align: right;
       user-select: none;
       overflow: hidden;
@@ -417,7 +418,7 @@ import {
       gap: 0.35rem;
       align-items: center;
       padding: 0.5rem 1rem;
-      background: var(--color-terminal-bg);
+      background: var(--color-surface-secondary);
       border-top: 1px solid var(--color-border-primary);
       overflow-x: auto;
     }