Replace group prediction cards with a per-game table + group/date filters

app.py

@@ -500,6 +500,24 @@ def render_predictions() -> None:
         "Once a game is played, ✅ / ❌ shows whether the pick was correct."
     )
 
+    # Filters: group and date (empty selection = show all)
+    col_g, col_d = st.columns(2)
+    with col_g:
+        group_opts = sorted(g for g in df["Group"].unique() if g and g != "—")
+        sel_groups = st.multiselect("Filter by group", options=group_opts, default=[])
+    with col_d:
+        date_opts = sorted(d for d in df["Date"].unique() if d)
+        sel_dates = st.multiselect("Filter by date", options=date_opts, default=[])
+
+    if sel_groups:
+        df = df[df["Group"].isin(sel_groups)]
+    if sel_dates:
+        df = df[df["Date"].isin(sel_dates)]
+
+    if df.empty:
+        st.info("No matches for the selected filters.")
+        return
+
     model_labels = [meta["label"] for meta in MODEL_META.values()]
     column_config = {
         "Group": st.column_config.TextColumn("Group", width="small"),