src/components/Dashboard/Dashboard.view.tsx

@@ -5,7 +5,8 @@ import {
   Grid,
   Typography,
   ToggleButton,
-  ToggleButtonGroup
+  ToggleButtonGroup,
+  Button
 } from "@mui/material";
 import { useTheme, alpha } from "@mui/material/styles";
 import { GroupKey } from "../../features/report";
@@ -69,7 +70,7 @@ export default function DashboardView({
         transition: 'background 0.3s ease'
       }}
     >
-      <Box sx={{ display: "flex", justifyContent: "center", mb: 3 }}>
+      <Box sx={{ display: "flex", flexDirection: "column", alignItems: "center", mb: 3 }}>
         <ToggleButtonGroup
           value={flow}
           exclusive
@@ -92,6 +93,16 @@ export default function DashboardView({
           <ToggleButton value="outflows">Outflows</ToggleButton>
           <ToggleButton value="inflows">Inflows</ToggleButton>
         </ToggleButtonGroup>
+
+        {selectedGroupKey && Object.keys(selectedGroupKey).length > 0 && (
+          <Button 
+            size="small" 
+            sx={{ mt: 1, textTransform: "none" }}
+            onClick={() => setSelectedGroupKey(null)}
+          >
+            Clear Drill-down
+          </Button>
+        )}
       </Box>
 
       <Grid container spacing={4}>

src/components/ProgressCard/TopPayees.adapter.ts

@@ -0,0 +1,65 @@
+import { mergeBucketPeriods, periodIdToKey } from "../report.helpers";
+import { GroupKey, ReportData } from "../../features/report";
+
+export interface PayeeItem {
+  name: string;
+  amount: number;
+}
+
+export function extractTopPayees(
+  reportData: ReportData,
+  flow: "outflows" | "inflows",
+  selectedPeriodId?: string | null,
+  selectedGroupKey?: GroupKey | null
+): { items: PayeeItem[]; total: number } {
+  const payeeMap = new Map<string, number>();
+
+  let targetPeriods = [];
+
+  if (selectedPeriodId) {
+    const key = periodIdToKey(selectedPeriodId);
+    const periods = mergeBucketPeriods(reportData.buckets, key);
+    const selected = periods.find((p) => p.id === selectedPeriodId);
+    if (selected) {
+      targetPeriods.push(selected);
+    }
+  } else {
+    // If no specific period is selected, aggregate over the "all" period bucket
+    targetPeriods = mergeBucketPeriods(reportData.buckets, "all");
+  }
+
+  for (const p of targetPeriods) {
+    let txns = p.metric.transactions || [];
+    
+    if (selectedGroupKey?.tags && selectedGroupKey.tags.length > 0) {
+      txns = txns.filter(txn => {
+        if (!txn.tags) return false;
+        const txnTags = txn.tags.map(t => typeof t === "string" ? t : t.name);
+        return selectedGroupKey.tags!.every(selectedTag => txnTags.includes(selectedTag));
+      });
+    }
+
+    for (const txn of txns) {
+      if (txn.payee && txn.payee.name) {
+        const current = payeeMap.get(txn.payee.name) || 0;
+        payeeMap.set(txn.payee.name, current + txn.amount);
+      }
+    }
+  }
+
+  let items: PayeeItem[] = [];
+  let total = 0;
+
+  for (const [name, amount] of payeeMap.entries()) {
+    items.push({ name, amount });
+    total += amount;
+  }
+
+  // Sort descending by amount
+  items.sort((a, b) => b.amount - a.amount);
+
+  return {
+    items: items.slice(0, 4), // Top 4
+    total,
+  };
+}

src/components/ProgressCard/TopPayees.tsx

@@ -0,0 +1,93 @@
+import * as React from "react";
+import { Box, Paper, Typography } from "@mui/material";
+import { ReportData, GroupKey } from "../../features/report";
+import ProgressCard from "./ProgressCard";
+import { extractTopPayees } from "./TopPayees.adapter";
+
+type Props = {
+  reportData: ReportData;
+  flow: "outflows" | "inflows";
+  header: string;
+  selectedPeriodId?: string | null;
+  selectedGroupKey?: GroupKey | null;
+  setSelectedGroupKey?: (key: GroupKey | null) => void;
+  compact?: boolean;
+  isFetching?: boolean;
+};
+
+export default function TopPayees({
+  reportData,
+  flow,
+  header,
+  selectedPeriodId,
+  selectedGroupKey,
+  setSelectedGroupKey,
+  compact = true,
+  isFetching,
+}: Props) {
+  const { items, total } = React.useMemo(() => {
+    return extractTopPayees(reportData, flow, selectedPeriodId, selectedGroupKey);
+  }, [reportData, flow, selectedPeriodId, selectedGroupKey]);
+
+  return (
+    <Paper
+      sx={{
+        p: { xs: 2.5, sm: 4 },
+        borderRadius: 4,
+        width: "100%",
+        boxShadow: "none",
+        border: "1px solid",
+        borderColor: "divider",
+        bgcolor: "background.paper",
+        opacity: isFetching ? 0.6 : 1,
+        transition: "opacity 0.3s ease",
+        pointerEvents: isFetching ? "none" : "auto",
+      }}
+    >
+      <Typography variant="h6" fontWeight={700} gutterBottom>
+        {header}
+      </Typography>
+
+      <Box
+        sx={{
+          display: "grid",
+          gridTemplateColumns: {
+            xs: "1fr",
+            sm: "repeat(2, 1fr)",
+            md: "repeat(4, 1fr)",
+          },
+          gap: 2,
+        }}
+      >
+        {items.map((item) => {
+          const isSelected = selectedGroupKey?.payee?.includes(item.name);
+          return (
+            <ProgressCard
+              key={item.name}
+              header={item.name}
+              progressAmount={item.amount}
+              totalAmount={total}
+              compact={compact}
+              colorTheme={flow === "outflows" ? "warning" : "info"}
+              selected={isSelected}
+              isFetching={isFetching}
+              onClick={() => {
+                if (setSelectedGroupKey) {
+                  let newKey = selectedGroupKey ? { ...selectedGroupKey } : {};
+                  
+                  if (isSelected) {
+                    delete newKey.payee;
+                  } else {
+                    newKey.payee = [item.name];
+                  }
+
+                  setSelectedGroupKey(Object.keys(newKey).length ? newKey : null);
+                }
+              }}
+            />
+          );
+        })}
+      </Box>
+    </Paper>
+  );
+}

src/components/ProgressCard/TopTags.adapter.ts

@@ -4,6 +4,8 @@ import {
   periodIdToKey,
 } from "../report.helpers";
 
+import { GroupKey } from "../../features/report";
+
 export interface TagItem {
   tag: string;
   amount: number;
@@ -12,7 +14,8 @@ export interface TagItem {
 export function extractTopTags(
   reportData: ReportData,
   flow: "outflows" | "inflows",
-  selectedPeriodId?: string | null
+  selectedPeriodId?: string | null,
+  selectedGroupKey?: GroupKey | null
 ): { items: TagItem[]; total: number } {
   const tagMap = new Map<string, number>();
 
@@ -35,7 +38,14 @@ export function extractTopTags(
   }
 
   if (period && period.metric && period.metric.transactions) {
-    for (const txn of period.metric.transactions) {
+    let txns = period.metric.transactions;
+    if (selectedGroupKey?.payee && selectedGroupKey.payee.length > 0) {
+      txns = txns.filter(txn => 
+        txn.payee?.name && selectedGroupKey.payee!.includes(txn.payee.name)
+      );
+    }
+
+    for (const txn of txns) {
       if (txn.tags && txn.tags.length > 0) {
         for (const tagObj of txn.tags) {
           const tagName = typeof tagObj === "string" ? tagObj : tagObj.name;

src/components/ProgressCard/TopTags.tsx

@@ -26,8 +26,8 @@ export default function TopTags({
   isFetching,
 }: Props) {
   const { items, total } = React.useMemo(() => {
-    return extractTopTags(reportData, flow, selectedPeriodId);
+    return extractTopTags(reportData, flow, selectedPeriodId, selectedGroupKey);
-  }, [reportData, flow, selectedPeriodId]);
+  }, [reportData, flow, selectedPeriodId, selectedGroupKey]);
 
   return (
     <Paper