Minor Refinements to Colours

frontend/src/melodies/MelodyList.jsx

@@ -256,7 +256,7 @@ export default function MelodyList() {
           <button
             onClick={() => navigate("/melodies/new")}
             className="px-4 py-2 text-sm rounded-md transition-colors cursor-pointer"
-            style={{ backgroundColor: "var(--btn-primary)", color: "var(--text-heading)" }}
+              style={{ backgroundColor: "var(--btn-primary)", color: "var(--text-white)" }}
           >
             Add Melody
           </button>
@@ -443,7 +443,7 @@ export default function MelodyList() {
                           <button
                             onClick={() => navigate(`/melodies/${row.id}/edit`)}
                             className="text-xs cursor-pointer"
-                            style={{ color: "var(--accent)" }}
+                            style={{ color: "var(--text-link)" }}
                           >
                             Edit
                           </button>