Update app.py

app.py

@@ -196,7 +196,7 @@ with col2:
             name="Tangent Line"
         ))
 
-        # Update layout to include white axis, hide negative y-axis, and adjust legend position
+        # Update layout to include full quadrants and reposition the legend
         fig.update_layout(
             xaxis=dict(
                 title="x-axis",
@@ -205,6 +205,7 @@ with col2:
                 zerolinewidth=2,
                 showgrid=True,
                 gridcolor="lightgray",
+                range=[-10, 10],  # Adjust x-axis range to show all quadrants
                 color="white"
             ),
             yaxis=dict(
@@ -214,25 +215,28 @@ with col2:
                 zerolinewidth=2,
                 showgrid=True,
                 gridcolor="lightgray",
-                range=[0, max(y_plot) + 10],  # Limit to non-negative y-axis
+                range=[-100, 100],  # Adjust y-axis range to show all quadrants
                 color="white"
             ),
             plot_bgcolor="black",
             paper_bgcolor="black",
             font=dict(color="white"),
             legend=dict(
-                x=0.65,  # Move legend further left to avoid overlap with the right border
-                y=1.0,
+                x=0.5,  # Center the legend horizontally
+                y=1.15,  # Position the legend above the plot
+                xanchor="center",  # Align legend horizontally by its center
+                yanchor="bottom",  # Align legend vertically by its bottom
                 bgcolor="black",
                 bordercolor="#001A6E",
                 borderwidth=2
             ),
-            margin=dict(l=10, r=50, t=10, b=10),  # Increase right margin to expand the right border
+            margin=dict(l=10, r=10, t=40, b=10),  # Adjust margins to accommodate legend at the top
             width=800,
             height=400,
             showlegend=True
         )
 
+
         st.plotly_chart(fig, use_container_width=True)
 
     except Exception as e: