diff --git a/server.cjs b/server.cjs
index 0d6c6bd..a09c26e 100644
--- a/server.cjs
+++ b/server.cjs
@@ -777,6 +777,65 @@ function viewerDashboard() {
     order by date asc
   `).all(thirtyDaysSince)
 
+  const activityLocationRows = db.prepare(`
+    select
+      date(occurred_at) as date,
+      country,
+      city,
+      region,
+      timezone,
+      count(distinct visitor_id) as visitors
+    from viewer_events
+    where occurred_at >= ?
+      and (
+        country != ''
+        or city != ''
+        or region != ''
+        or (timezone != '' and timezone != 'Not shared')
+      )
+    group by date(occurred_at), country, city, region, timezone
+    order by date asc, visitors desc
+  `).all(thirtyDaysSince)
+
+  const locationsByDate = new Map()
+  for (const row of activityLocationRows) {
+    const label = [row.city, row.region, row.country || row.timezone]
+      .filter(Boolean)
+      .join(', ')
+    if (!label) continue
+    const current = locationsByDate.get(row.date) || []
+    if (current.length < 4) current.push({ label, visitors: row.visitors || 0 })
+    locationsByDate.set(row.date, current)
+  }
+
+  const activityClientRows = db.prepare(`
+    select
+      date(occurred_at) as date,
+      browser,
+      os,
+      device,
+      count(distinct visitor_id) as visitors,
+      count(*) as events
+    from viewer_events
+    where occurred_at >= ?
+    group by date(occurred_at), browser, os, device
+    order by date asc, visitors desc, events desc
+  `).all(thirtyDaysSince)
+
+  const clientsByDate = new Map()
+  for (const row of activityClientRows) {
+    const label = `${row.browser} on ${row.os}${row.device ? ` (${row.device})` : ''}`
+    const current = clientsByDate.get(row.date) || []
+    if (current.length < 4) current.push({ label, visitors: row.visitors || 0, events: row.events || 0 })
+    clientsByDate.set(row.date, current)
+  }
+
+  const activityWithLocations = activity30d.map((row) => ({
+    ...row,
+    client_labels: clientsByDate.get(row.date) || [],
+    location_labels: locationsByDate.get(row.date) || [],
+  }))
+
   const countries = db.prepare(`
     select
       country,
@@ -841,7 +900,7 @@ function viewerDashboard() {
     top_pages: topPages,
     clients,
     clients_30d: clients30d,
-    activity_30d: activity30d,
+    activity_30d: activityWithLocations,
     countries,
     locations,
     totals: {
diff --git a/src/App.jsx b/src/App.jsx
index c29e1f4..9dc103f 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -2060,6 +2060,7 @@ function MiniLineChart({ accent = 'text-fury-cyan', data, label, metric, stroke
   const height = 112
   const padding = 12
   const maxValue = Math.max(1, ...data.map((item) => Number(item[metric] || 0)))
+  const midValue = Math.round(maxValue / 2)
   const points = data.map((item, index) => {
     const x = padding + (index / Math.max(1, data.length - 1)) * (width - padding * 2)
     const y = height - padding - (Number(item[metric] || 0) / maxValue) * (height - padding * 2)
@@ -2080,8 +2081,16 @@ function MiniLineChart({ accent = 'text-fury-cyan', data, label, metric, stroke
         <p className={`text-sm font-semibold ${accent}`}>{formatNumber(latest)}</p>
       </div>
 
-      <svg className="mt-3 h-28 w-full overflow-visible" viewBox={`0 0 ${width} ${height}`} role="img" aria-label={`${label} line chart`}>
+      <div className="relative mt-3">
+        <div className="absolute left-0 top-0 flex h-28 w-8 flex-col justify-between text-[10px] font-semibold text-text-muted">
+          <span>{formatNumber(maxValue)}</span>
+          <span>{formatNumber(midValue)}</span>
+          <span>0</span>
+        </div>
+        <svg className="ml-8 h-28 w-[calc(100%-2rem)] overflow-visible" viewBox={`0 0 ${width} ${height}`} role="img" aria-label={`${label} line chart`}>
         <path d={`M ${padding} ${height - padding} H ${width - padding}`} fill="none" stroke="#fee5cd" strokeWidth="1" />
+        <path d={`M ${padding} ${padding} H ${width - padding}`} fill="none" stroke="#fee5cd" strokeDasharray="4 5" strokeWidth="1" />
+        <path d={`M ${padding} ${height / 2} H ${width - padding}`} fill="none" stroke="#fee5cd" strokeDasharray="4 5" strokeWidth="1" />
         <path d={pathData} fill="none" stroke={stroke} strokeLinecap="round" strokeLinejoin="round" strokeWidth="3" />
         {points.map((point) => (
           <circle
@@ -2097,7 +2106,8 @@ function MiniLineChart({ accent = 'text-fury-cyan', data, label, metric, stroke
             tabIndex="0"
           />
         ))}
-      </svg>
+        </svg>
+      </div>
 
       {hoveredPoint ? (
         <div
@@ -2112,6 +2122,20 @@ function MiniLineChart({ accent = 'text-fury-cyan', data, label, metric, stroke
           <span className="block font-normal text-bg/80">
             {formatNumber(hoveredPoint.visitors || 0)} visitors
           </span>
+          {metric === 'clients' && hoveredPoint.client_labels?.length ? (
+            <span className="mt-1 block max-w-56 whitespace-normal font-normal text-bg/80">
+              {hoveredPoint.client_labels
+                .map((client) => `${client.label}: ${formatNumber(client.visitors)} visitors`)
+                .join(', ')}
+            </span>
+          ) : null}
+          {metric === 'locations' && hoveredPoint.location_labels?.length ? (
+            <span className="mt-1 block max-w-48 whitespace-normal font-normal text-bg/80">
+              {hoveredPoint.location_labels
+                .map((location) => `${location.label} (${formatNumber(location.visitors)})`)
+                .join(', ')}
+            </span>
+          ) : null}
         </div>
       ) : null}
     </div>