fix spinner in news dashboard

app/pages/05_Dashboard.py

@@ -298,8 +298,26 @@ def fetch_ai_tech_news():
 # Create a status placeholder to show progress
 status_placeholder = st.empty()
 
+# Custom spinner CSS for rotating circle
+st.markdown("""
+<style>
+@keyframes spinner-rotate {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+.stSpinner > div {
+    border: 3px solid #2A2E39;
+    border-top: 3px solid #3b82f6;
+    border-radius: 50%;
+    width: 40px;
+    height: 40px;
+    animation: spinner-rotate 1s linear infinite;
+}
+</style>
+""", unsafe_allow_html=True)
+
 # Execute all news fetching operations in parallel using ThreadPoolExecutor
-with st.spinner("🔍 Loading news from 4 sources..."):
+with st.spinner("Loading news from 4 sources..."):
     with ThreadPoolExecutor(max_workers=4) as executor:
         # Submit all tasks with source name attached
         futures_map = {