webui: add dark mode support to sketch-tool-calls render

Co-Authored-By: sketch <hello@sketch.dev>
Change-ID: sab350b872b2e9fc0k
diff --git a/webui/src/web-components/sketch-tool-calls.ts b/webui/src/web-components/sketch-tool-calls.ts
index 8b2fb3d..f83e901 100644
--- a/webui/src/web-components/sketch-tool-calls.ts
+++ b/webui/src/web-components/sketch-tool-calls.ts
@@ -177,7 +177,7 @@
           }
           return html`<div
             id="${toolCall.tool_call_id}"
-            class="flex flex-col bg-white/60 rounded-md mb-1.5 overflow-hidden cursor-pointer border-l-2 border-black/10 shadow-sm max-w-full break-words ${toolCall.name}"
+            class="flex flex-col bg-white/60 dark:bg-gray-800/60 rounded-md mb-1.5 overflow-hidden cursor-pointer border-l-2 border-black/10 dark:border-white/10 shadow-sm max-w-full break-words ${toolCall.name}"
           >
             ${this.cardForToolCall(toolCall, shouldOpen)}
           </div>`;