Update app.py

app.py

@@ -247,7 +247,7 @@ header p {
     background: #ffffff;
     border-radius: 12px;
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
-    max-width: 1200px;
+    /* max-width: 1300px; /* change 1 */ */
 }
 
 /* Post-Tabs Section */
@@ -306,7 +306,7 @@ footer h2 {
 }
 
 footer p {
-    font-size: 1.2em;
+    font-size: 0.8em;
     line-height: 1.6;
     margin-bottom: 20px;
 }
@@ -430,6 +430,11 @@ with gr.Blocks(css=css_tech_theme) as demo:
                 eval_status = gr.Textbox(label="Evaluation Status", interactive=False)
                 submit_button = gr.Button("Prove and Submit to Leaderboard", visible=False)  # Initially hidden
             def handle_evaluation(file, model_name):
+                # Check if required inputs are provided
+                if not file:
+                    return "Error: Please upload a prediction file.", 0, gr.update(visible=False)
+                if not model_name or model_name.strip() == "":
+                    return "Error: Please enter a model name.", 0, gr.update(visible=False)
                 # Perform evaluation
                 status, leaderboard = evaluate_predictions(file, model_name, add_to_leaderboard=False)
                 if leaderboard.empty: