Update src/pages/persona.py

src/pages/persona.py

@@ -42,6 +42,21 @@ st.markdown(
     "<h1 style='color:#00fff7;font-size:2.6rem;font-weight:900;letter-spacing:0.01em;margin-bottom:5px;'>🎭 Persona Lab</h1>", 
     unsafe_allow_html=True
 )
+
+# Set dark theme programmatically
+st.markdown(
+    """
+    <style>
+    body, .main, .stApp {
+        background: #1b2230 !important;
+        color: #fff !important;
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
+
+
 st.markdown(
     f"""
     <div style="font-size:1.21rem; color:#AC7CFF; font-weight:600; margin-top:-13px; margin-bottom:14px; line-height:1.5;">