clea up code and layout

app/tools/check_permission.py

@@ -1,27 +0,0 @@
-import streamlit as st
-from auth_runtime import require_login
-from auth import get_sidebar, get_fullname_for_user, get_role_for_user
-
-
-
-def check(df, page_name):
-    if "df_sidebar" not in st.session_state:
-        # authenticator = require_login()
-        username = st.session_state.get("username")
-        role_text = get_role_for_user(username)
-        fullname = get_fullname_for_user(username)
-        df = get_sidebar(role_text, username)
-
-        st.session_state["role_text"] = role_text
-        st.session_state["fullname"] = fullname
-        st.session_state["df_sidebar"] = df
-
-    if df is None or df.empty:
-        return False   # oder True – je nach gewünschtem Verhalten
-
-    allowed = not df[
-        (df["dash_type"] == "page") &
-        (df["page_file"] == page_name)
-    ].empty
-
-    return True

app/tools/load_css.py

@@ -0,0 +1,8 @@
+import streamlit as st
+from pathlib import Path
+
+
+def load_css():
+    css_path = Path(__file__).parent.parent / ".streamlit" / "style.css"
+    if css_path.exists():
+        st.markdown(f"<style>{css_path.read_text()}</style>", unsafe_allow_html=True)