Update app.py

app.py

@@ -809,7 +809,7 @@ with gr.Blocks(title="Salamandra Vision 7B · ZeroGPU", css=custom_css) as demo:
     batch_context = gr.Textbox(label="context_json", value="{}", lines=4)
     batch_max = gr.Slider(16, 1024, value=256, step=16, label="màx_tokens nous")
     batch_temp = gr.Slider(0.0, 1.5, value=0.7, step=0.05, label="temperatura")
-    batch_btn = gr.Button("Descriu el lot")
+    batch_btn = gr.Button("Descriu el lot", variant="primary")
     batch_out = gr.JSON(label="Descripcions (llista)")
 
     batch_btn.click(
@@ -827,7 +827,7 @@ with gr.Blocks(title="Salamandra Vision 7B · ZeroGPU", css=custom_css) as demo:
     gr.Markdown('<h2 style="text-align:center">Embeddings facials</h2>')
     with gr.Row():
         face_img = gr.Image(label="Imatge per embedding facial", type="pil")
-        face_btn = gr.Button("Obté embedding facial")
+        face_btn = gr.Button("Obté embedding facial", variant="primary")
         face_out = gr.JSON(label="Embedding facial (vector)")
     face_btn.click(face_image_embedding, [face_img], face_out, api_name="face_image_embedding", concurrency_limit=1)
     gr.Markdown("---")
@@ -841,7 +841,7 @@ with gr.Blocks(title="Salamandra Vision 7B · ZeroGPU", css=custom_css) as demo:
         threshold = gr.Slider(0.0, 100.0, value=30.0, step=1.0, label="Llindar")
         offset_frames = gr.Slider(0, 30, value=5, step=1, label="Desplaçament de frames")
         crop_ratio = gr.Slider(0.0, 1.0, value=1.0, step=0.05, label="Raó de retall")
-        scenes_btn = gr.Button("Extreu escenes")
+        scenes_btn = gr.Button("Extreu escenes", variant="primary")
         scenes_gallery_out = gr.Gallery(label="Fotogrames clau de l’escena", show_label=False, columns=4, height="auto")
         scenes_info_out = gr.JSON(label="Informació de l’escena")
 
@@ -860,7 +860,7 @@ with gr.Blocks(title="Salamandra Vision 7B · ZeroGPU", css=custom_css) as demo:
     gr.Markdown('<h2 style="text-align:center">Descripció per lots amb Salamandra Vision</h2>')
     with gr.Row():
         img_input = gr.Gallery(label="Llot d’imatges", show_label=False)
-        describe_btn = gr.Button("Genera descripcions")
+        describe_btn = gr.Button("Genera descripcions", variant="primary")
         desc_output = gr.Textbox(label="Descripcions de les imatges")
     
     describe_btn.click(
@@ -888,7 +888,7 @@ with gr.Blocks(title="Salamandra Vision 7B · ZeroGPU", css=custom_css) as demo:
             placeholder='[{"nombre": "Anna", "embedding": [0.12, 0.88, ...]}, ...]',
             lines=5
         )
-        process_btn = gr.Button("Processar imatge (OCR + Persones)")
+        process_btn = gr.Button("Processar imatge (OCR + Persones)", variant="primary")
         output_json = gr.JSON(label="Resultat complet")
     
     process_btn.click(