Update app.py

app.py

@@ -86,7 +86,7 @@ if uploaded_file is not None:
                 y_max = st.number_input("Upper Y-axis Limit:", value=None, format="%f")
                 y_step = st.number_input("Y-axis Step Size:", value=10.0, format="%f")
                 y_font_size = st.slider("Y-axis Font Size:", 8, 20, 14)
-                y_tick_position = st.selectbox("Y-axis Tick Position:", ["out", "in", "inout"], index=0)
+                y_tick_position = st.selectbox("Y-axis Tick Position:", ["out", "in", "inout"], index=2)
 
             # Title and Font Style Settings
             st.subheader("Title and Font Settings")
@@ -99,7 +99,7 @@ if uploaded_file is not None:
             st.subheader("Grid Settings")
             show_grid = st.checkbox("Show Grid", value=True)
             show_minor_grid = st.checkbox("Show Sub-grid (Minor Grid)", value=False)
-            grid_direction = st.selectbox("Grid Direction:", ["x", "y", "both"], index=3)
+            grid_direction = st.selectbox("Grid Direction:", ["x", "y", "both"], index=2)
             grid_line_style = st.selectbox("Grid Line Style:", ["-", "--", "-.", ":", "None"], index=0)
             grid_color = st.color_picker("Grid Line Color:", "#DDDDDD")
             grid_line_width = st.slider("Grid Line Width:", 0.5, 2.5, 1.0)
@@ -191,11 +191,11 @@ if uploaded_file is not None:
             legend_border_color = st.color_picker("Border Color:", "#000000")
             legend_border_width = st.slider("Border Width:", 0.5, 2.0, 1.0)
             legend_transparency = st.slider("Transparency (0 = fully opaque, 1 = fully transparent):", 0.0, 1.0, 0.5)
-            legend_title = st.text_input("Legend Title:", value="Legend")
+            legend_title = st.text_input("Legend Title:", value="")
             legend_location = st.selectbox("Legend Location:", 
                                            ["upper right", "upper center", "upper left", "center right", 
                                             "center", "center left", "lower right", 
-                                            "lower center", "lower left"], index=0)
+                                            "lower center", "lower left"], index=1)
             legend_columns = st.selectbox("Legend Columns:", [1, 2, 3], index=1)
 
             # Line Style Settings