Update app.py

app.py

@@ -67,18 +67,15 @@ def visualize_knn(n_neighbors):
     return temp_file.name, f"Accuracy: {acc:.4f}"
 
 
-# -------- CSS FIX (Gradio 6 requires CSS in launch()) ------
+# -------------------- CUSTOM CSS (unchanged UI COLORS) --------------------
 custom_css = """
-button, .gr-button, .gr-button-primary, .gr-btn {
+.gr-button {
     background-color: #007bff !important;
     color: white !important;
     border-radius: 8px !important;
     padding: 12px 20px !important;
     font-weight: bold !important;
 }
-button:hover {
-    background-color: #0056cc !important;
-}
 .gr-slider input {
     accent-color: #007bff !important;
 }
@@ -93,9 +90,9 @@ body, .gradio-container {
 
 
 # -------------------- GRADIO UI --------------------
-with gr.Blocks() as demo:
+with gr.Blocks() as demo:   # FIX: removed css from here
 
-    gr.Markdown("## 🧠 KNN Decision Boundary + Dynamic Train/Test Split Visualizer")
+    gr.Markdown("## 🧠 KNN Decision Boundary + Dynamic Train/Test Split + Visualizer")
 
     with gr.Row():
         with gr.Column(scale=1):
@@ -114,4 +111,5 @@ with gr.Blocks() as demo:
     visualize_btn.click(visualize_knn, inputs=[k_slider], outputs=[output_img, accuracy_text])
 
 
+# FIX: Move CSS to launch() to avoid warning
 demo.launch(server_name="0.0.0.0", server_port=7860, css=custom_css)