From fcdd057892e0dfb2861f2fe8aa886a2d2a84a647 Mon Sep 17 00:00:00 2001
From: David Sanders <dsanders11@ucsbalum.com>
Date: Wed, 3 Jun 2026 00:40:58 -0700
Subject: [PATCH] fix: match system theme for run button

---
 src/isolated-run-button.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/isolated-run-button.ts b/src/isolated-run-button.ts
index e5253f0678..9af5588f92 100644
--- a/src/isolated-run-button.ts
+++ b/src/isolated-run-button.ts
@@ -348,6 +348,14 @@ window.addEventListener('message', (event: MessageEvent) => {
   }
 });
 
-void applyThemeByName(initialParams.get('initialTheme'));
+if (isUsingSystemTheme) {
+  applyTheme(
+    window.matchMedia(PREFERS_DARK_MEDIA_QUERY).matches
+      ? defaultDark
+      : defaultLight,
+  );
+} else {
+  void applyThemeByName(initialParams.get('initialTheme'));
+}
 
 render();