Update app.py

app.py

@@ -140,19 +140,19 @@ def plot_forecasts(forecast_df, train_df, title):
     if lo_col and hi_col:
         fig.add_trace(go.Scatter(
             x=plot_df.index,
-            y=plot_df[lo_col],
+            y=plot_df[hi_col],
             mode='lines',
-            fill='tozeroy',
-            fillcolor='rgba(0,100,80,0.2)',
             line=dict(color='rgba(0,100,80,0.2)'),
-            name='90% Confidence Interval'
+            showlegend=False
         ))
         fig.add_trace(go.Scatter(
             x=plot_df.index,
-            y=plot_df[hi_col],
+            y=plot_df[lo_col],
             mode='lines',
             line=dict(color='rgba(0,100,80,0.2)'),
-            showlegend=False
+            fill='tonexty',
+            fillcolor='rgba(0,100,80,0.2)',
+            name='90% Confidence Interval'
         ))
     
     # Update layout