Update app.py

app.py

@@ -298,7 +298,21 @@ def run_route_engine(start, end, stops, vehicle_type, fuel_price):
 # GRADIO UI LAYOUT — TABS + BRANDING
 # ---------------------------------------
 
-with gr.Blocks(theme=gr.themes.Base(primary_hue="blue")) as demo:
+with gr.Blocks() as demo:
+    
+    gr.HTML(f"""
+<style>
+:root {{
+    --primary-color: {PRIMARY_COLOR};
+}}
+h1 {{
+    color: {PRIMARY_COLOR} !important;
+}}
+.gradio-container {{
+    --primary-hue: 220;
+}}
+</style>
+""")
 
     gr.Markdown(f"<h1 style='color:{PRIMARY_COLOR}'>Procelevate AI Route Optimization Suite</h1>")