Update app.py

app.py

@@ -939,9 +939,18 @@ elif st.session_state.current_index < len(st.session_state.data):
     show_fields(STEPS[step])
 
     # Action buttons
-    c1, c2, c3 = st.columns([1,1,6])
+    c1, c2, c3 = st.columns([3,5,2])
     with c1:
-        label = "Next" if step < total_steps - 1 else "Submit & next session"
+        if st.button("Previous"):
+            if step > 0:
+                st.session_state.step -= 1
+                st.rerun()
+            else:
+                st.session_state.current_index -= 1
+                st.session_state.step = total_steps - 1
+                st.rerun()
+    with c2:
+        label = "**Next**" if step < total_steps - 1 else "**Submit & next session**"
         if st.button(label):
             if validate_current_page(STEPS[step], st.session_state.current_index):
                 is_last_page = (step == total_steps - 1)
@@ -959,19 +968,19 @@ elif st.session_state.current_index < len(st.session_state.data):
 
 elif st.session_state.current_index == len(st.session_state.data):
     st.write(f"**Thank you for taking part in this study!** \n ")
-    if st.button("Previous"):
-        navigate(-2)
+#    if st.button("Previous"):
+#        navigate(-2)
 
 # Navigation buttons
-if 0 < st.session_state.current_index < len(st.session_state.data):
-    if st.button("Previous"):
-        if step > 0:
-            st.session_state.step -= 1
-            st.rerun()
-        else:
-            st.session_state.current_index -= 1
-            st.session_state.step = total_steps - 1
-            st.rerun()
+#if 0 < st.session_state.current_index < len(st.session_state.data):
+#    if st.button("Previous"):
+#        if step > 0:
+#            st.session_state.step -= 1
+#            st.rerun()
+#        else:
+#            st.session_state.current_index -= 1
+#            st.session_state.step = total_steps - 1
+#            st.rerun()
 
 if 0 <= st.session_state.current_index < len(st.session_state.data):
     st.write(f"Session {st.session_state.current_index + 1} out of {len(st.session_state.data)}")