fix theme

app.py

@@ -38,7 +38,7 @@ with gr.Blocks(theme=gr.themes.Default(secondary_hue=DEEPLITE_DARK_BLUE_GRADIO),
         () => {
             let mediaQueryObj = window.matchMedia('(prefers-color-scheme: dark)');
             let systemDarkTheme = window.location.href.includes("theme=system") && mediaQueryObj.matches;
-            if (mediaQueryObj.matches){
+            if (window.location.href.includes("theme=dark") || systemDarkTheme){
                 document.body.classList.toggle('dark');
                 document.querySelector('gradio-app').style.backgroundColor = 'var(--color-background-primary)'
             }