Fix Gradio 6 launch styling

app.py

@@ -618,6 +618,22 @@ _pipe_ready = False
 
 IMAGE_MODE = "Image"
 LIVE_MODE = "Live Camera"
+GRADIO_MAJOR = int(gr.__version__.split(".", 1)[0])
+
+MC_THEME = gr.themes.Base(
+    primary_hue="green",
+    neutral_hue="stone",
+    font=gr.themes.GoogleFont("VT323"),
+    font_mono=gr.themes.GoogleFont("VT323"),
+)
+
+BLOCKS_KWARGS = {"title": "Minecraftify! ⛏️"}
+LAUNCH_KWARGS = {}
+
+if GRADIO_MAJOR >= 6:
+    LAUNCH_KWARGS.update({"css": CUSTOM_CSS, "theme": MC_THEME})
+else:
+    BLOCKS_KWARGS.update({"css": CUSTOM_CSS, "theme": MC_THEME})
 
 
 def _ensure_model_files():
@@ -766,16 +782,7 @@ def stop_live():
 # UI
 # ----------------------------------------------------------------------
 
-with gr.Blocks(
-    title="Minecraftify! ⛏️",
-    css=CUSTOM_CSS,
-    theme=gr.themes.Base(
-        primary_hue="green",
-        neutral_hue="stone",
-        font=gr.themes.GoogleFont("VT323"),
-        font_mono=gr.themes.GoogleFont("VT323"),
-    ),
-) as demo:
+with gr.Blocks(**BLOCKS_KWARGS) as demo:
 
     # ── Title Banner ──
     gr.HTML("""
@@ -951,4 +958,4 @@ with gr.Blocks(
         concurrency_limit=1,
     )
 
-demo.queue(max_size=1).launch()
+demo.queue(max_size=1).launch(**LAUNCH_KWARGS)