diff --git a/src/components/PageHeader.jsx b/src/components/PageHeader.jsx
index 2cc3a61..0a616e9 100644
--- a/src/components/PageHeader.jsx
+++ b/src/components/PageHeader.jsx
@@ -36,7 +36,7 @@ export default function PageHeader({ title, breadcrumbs = [], action }) {
           </Breadcrumbs>
         )}
       </Box>
-      {action && <Box>{action}</Box>}
+      {action && <Box sx={{ width: { xs: '100%', sm: 'auto' }, flexShrink: 0 }}>{action}</Box>}
     </Stack>
   );
 }
diff --git a/src/pages/Dashboard.jsx b/src/pages/Dashboard.jsx
index 3c95b0c..3446a83 100644
--- a/src/pages/Dashboard.jsx
+++ b/src/pages/Dashboard.jsx
@@ -1,8 +1,9 @@
 import { useState, useEffect, useMemo } from 'react';
 import {
   Grid, Card, Box, Stack, Typography, Button, Divider, LinearProgress, CircularProgress, Alert,
-  Table, TableBody, TableCell, TableHead, TableRow, TableContainer
+  Table, TableBody, TableCell, TableHead, TableRow, TableContainer, useMediaQuery
 } from '@mui/material';
+import { useTheme } from '@mui/material/styles';
 import RefreshIcon from '@mui/icons-material/Refresh';
 import ApartmentOutlinedIcon from '@mui/icons-material/ApartmentOutlined';
 import FiberNewOutlinedIcon from '@mui/icons-material/FiberNewOutlined';
@@ -68,7 +69,7 @@ function Panel({ icon: Icon, title, action, color = 'primary', noPadding = false
       <Stack
         direction="row" spacing={1.5} alignItems="center"
         sx={{
-          px: 3, py: 2, borderBottom: 1, borderColor: 'divider',
+          px: { xs: 2, sm: 3 }, py: 2, borderBottom: 1, borderColor: 'divider',
           background: (theme) => `linear-gradient(90deg, ${theme.palette[color].lighter}66 0%, transparent 100%)`
         }}
       >
@@ -78,12 +79,14 @@ function Panel({ icon: Icon, title, action, color = 'primary', noPadding = false
         <Typography variant="h6" sx={{ fontWeight: 700, color: 'grey.800', flexGrow: 1, letterSpacing: '-0.3px' }}>{title}</Typography>
         {action}
       </Stack>
-      <Box sx={{ p: noPadding ? 0 : 3, flexGrow: 1 }}>{children}</Box>
+      <Box sx={{ p: noPadding ? 0 : { xs: 2, sm: 3 }, flexGrow: 1 }}>{children}</Box>
     </Card>
   );
 }
 
 export default function Dashboard() {
+  const theme = useTheme();
+  const isMobile = useMediaQuery(theme.breakpoints.down('sm'));
   const [clients, setClients] = useState([]);
   const [team, setTeam] = useState([]);
   const [loading, setLoading] = useState(true);
@@ -161,6 +164,21 @@ export default function Dashboard() {
           <Panel icon={HistoryOutlinedIcon} title="Recent Clients" color="primary" noPadding>
             {recent.length === 0 ? (
               <EmptyState title="No clients yet" caption="Add a client to see it here." />
+            ) : isMobile ? (
+              <Stack divider={<Divider />}>
+                {recent.map((c) => (
+                  <Stack key={c.id} direction="row" spacing={1.25} alignItems="center" sx={{ px: 2, py: 1.5 }}>
+                    <UserAvatar name={c.name} size={36} />
+                    <Box sx={{ minWidth: 0, flexGrow: 1 }}>
+                      <Typography variant="body2" sx={{ fontWeight: 600, color: 'grey.800' }} noWrap>{c.name}</Typography>
+                      <Typography variant="caption" color="text.secondary" noWrap sx={{ display: 'block' }}>
+                        {[titleCase(c.businessType), c.city].filter(Boolean).join(' · ') || '—'} · {c.parcelVolume.toLocaleString('en-IN')} parcels
+                      </Typography>
+                    </Box>
+                    <StatusChip status={c.status} />
+                  </Stack>
+                ))}
+              </Stack>
             ) : (
               <TableContainer>
                 <Table sx={{ minWidth: 600 }}>
diff --git a/src/pages/Settings.jsx b/src/pages/Settings.jsx
index c5253f5..c325fe0 100644
--- a/src/pages/Settings.jsx
+++ b/src/pages/Settings.jsx
@@ -71,7 +71,7 @@ function Section({ icon: Icon, title, subtitle, color = 'primary', danger = fals
       <Stack
         direction="row" spacing={1.75} alignItems="center"
         sx={{
-          px: 3, py: 2.25, borderBottom: 1, borderColor: 'divider',
+          px: { xs: 2, sm: 3 }, py: 2.25, borderBottom: 1, borderColor: 'divider',
           background: (theme) => `linear-gradient(90deg, ${theme.palette[color].lighter}66 0%, ${theme.palette.background.paper} 72%)`
         }}
       >
@@ -83,7 +83,7 @@ function Section({ icon: Icon, title, subtitle, color = 'primary', danger = fals
           {subtitle && <Typography variant="caption" color="text.secondary">{subtitle}</Typography>}
         </Box>
       </Stack>
-      <Box sx={{ px: 3 }}>{children}</Box>
+      <Box sx={{ px: { xs: 2, sm: 3 } }}>{children}</Box>
     </Card>
   );
 }
@@ -155,10 +155,13 @@ export default function Settings() {
         title="Settings"
         breadcrumbs={[{ label: 'Settings' }]}
         action={
-          <Stack direction="row" spacing={1.5} alignItems="center">
+          <Stack
+            direction="row" spacing={1.5} alignItems="center" useFlexGap flexWrap="wrap"
+            sx={{ width: { xs: '100%', sm: 'auto' }, justifyContent: { xs: 'flex-start', sm: 'flex-end' } }}
+          >
             {dirty && <Chip size="small" label="Unsaved changes" sx={{ bgcolor: 'warning.lighter', color: 'warning.dark', fontWeight: 600 }} />}
-            <Button variant="outlined" onClick={discard}>Discard</Button>
-            <Button variant="contained" startIcon={<SaveOutlinedIcon />} onClick={save}>Save Changes</Button>
+            <Button variant="outlined" onClick={discard} sx={{ flex: { xs: 1, sm: 'none' } }}>Discard</Button>
+            <Button variant="contained" startIcon={<SaveOutlinedIcon />} onClick={save} sx={{ flex: { xs: 1, sm: 'none' } }}>Save Changes</Button>
           </Stack>
         }
       />
diff --git a/src/pages/team/TeamUsers.jsx b/src/pages/team/TeamUsers.jsx
index 1f23716..dc3e36d 100644
--- a/src/pages/team/TeamUsers.jsx
+++ b/src/pages/team/TeamUsers.jsx
@@ -2,9 +2,10 @@ import { useState, useMemo, useEffect } from 'react';
 import {
   Card, Stack, Button, TextField, InputAdornment, Box, Tabs, Tab, Chip, Link,
   Table, TableBody, TableCell, TableContainer, TableHead, TableRow, IconButton,
-  TablePagination, Typography, CircularProgress, Alert, Tooltip,
+  TablePagination, Typography, CircularProgress, Alert, Tooltip, Divider, useMediaQuery,
   Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions
 } from '@mui/material';
+import { useTheme } from '@mui/material/styles';
 import SearchIcon from '@mui/icons-material/Search';
 import AddIcon from '@mui/icons-material/Add';
 import RefreshIcon from '@mui/icons-material/Refresh';
@@ -94,7 +95,51 @@ function RoleCell({ role }) {
   );
 }
 
+// Mobile presentation of a user row — a self-contained card instead of a wide table row.
+function UserCard({ row, index, onEdit, onDelete }) {
+  return (
+    <Box sx={{ p: 1.75, borderRadius: 3, border: 1, borderColor: 'divider', bgcolor: 'background.paper' }}>
+      <Stack direction="row" spacing={1.25} alignItems="flex-start">
+        <Box sx={{ flexGrow: 1, minWidth: 0 }}>
+          <UserIdentity name={row.name} email={row.email} role={row.role} />
+        </Box>
+        <RoleCell role={row.role} />
+      </Stack>
+
+      <Stack spacing={1} sx={{ mt: 1.75 }}>
+        <Stack direction="row" spacing={1} alignItems="center" sx={{ minWidth: 0 }}>
+          <MailOutlineIcon sx={{ fontSize: 16, color: 'grey.400', flexShrink: 0 }} />
+          {row.email ? (
+            <Link href={`mailto:${row.email}`} underline="hover" color="text.primary" noWrap sx={{ fontSize: '0.8125rem' }}>
+              {row.email}
+            </Link>
+          ) : <Typography variant="body2" color="text.disabled">No email</Typography>}
+        </Stack>
+        <Stack direction="row" spacing={1} alignItems="center">
+          <PhoneOutlinedIcon sx={{ fontSize: 16, color: 'grey.400', flexShrink: 0 }} />
+          {row.phone ? (
+            <Link href={`tel:${row.phone}`} underline="hover" color="text.primary" sx={{ fontSize: '0.8125rem' }}>
+              {row.phone}
+            </Link>
+          ) : <Typography variant="body2" color="text.disabled">No phone</Typography>}
+        </Stack>
+      </Stack>
+
+      <Divider sx={{ my: 1.5 }} />
+      <Stack direction="row" spacing={1} justifyContent="space-between" alignItems="center">
+        <Typography variant="caption" color="text.secondary">#{index}</Typography>
+        <Stack direction="row" spacing={1}>
+          <Button size="small" variant="outlined" startIcon={<EditOutlinedIcon fontSize="small" />} onClick={() => onEdit(row)}>Edit</Button>
+          <Button size="small" variant="outlined" color="error" startIcon={<DeleteOutlineIcon fontSize="small" />} onClick={() => onDelete(row)}>Delete</Button>
+        </Stack>
+      </Stack>
+    </Box>
+  );
+}
+
 export default function TeamUsers() {
+  const theme = useTheme();
+  const isMobile = useMediaQuery(theme.breakpoints.down('md'));
   const [users, setUsers] = useState([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState(null);
@@ -167,9 +212,9 @@ export default function TeamUsers() {
         title="App Users"
         breadcrumbs={[{ label: 'App Users' }]}
         action={
-          <Stack direction="row" spacing={1.5}>
-            <Button variant="outlined" startIcon={<RefreshIcon />} onClick={load} disabled={loading}>Refresh</Button>
-            <Button variant="contained" startIcon={<AddIcon />} onClick={() => setDialog({ open: true, mode: 'add', initial: null })}>Add User</Button>
+          <Stack direction="row" spacing={1.5} sx={{ width: { xs: '100%', sm: 'auto' } }}>
+            <Button variant="outlined" startIcon={<RefreshIcon />} onClick={load} disabled={loading} sx={{ flex: { xs: 1, sm: 'none' } }}>Refresh</Button>
+            <Button variant="contained" startIcon={<AddIcon />} onClick={() => setDialog({ open: true, mode: 'add', initial: null })} sx={{ flex: { xs: 1, sm: 'none' } }}>Add User</Button>
           </Stack>
         }
       />
@@ -177,7 +222,7 @@ export default function TeamUsers() {
       <Card sx={{ overflow: 'hidden' }}>
         <Box
           sx={{
-            px: 2.5, py: 2, borderBottom: 1, borderColor: 'divider',
+            px: { xs: 1.75, sm: 2.5 }, py: 2, borderBottom: 1, borderColor: 'divider',
             display: 'flex', alignItems: 'center', gap: 1.5,
             background: (theme) => `linear-gradient(90deg, ${theme.palette.primary.lighter}66 0%, ${theme.palette.background.paper} 70%)`
           }}
@@ -191,10 +236,10 @@ export default function TeamUsers() {
           </Box>
         </Box>
 
-        <Stack direction={{ xs: 'column', md: 'row' }} spacing={1.5} sx={{ p: 2 }} alignItems={{ md: 'center' }}>
+        <Stack direction={{ xs: 'column', md: 'row' }} spacing={1.5} sx={{ p: { xs: 1.5, sm: 2 } }} alignItems={{ md: 'center' }}>
           <TextField
             size="small" placeholder="Search by name, email, phone…" value={search} onChange={(e) => { setSearch(e.target.value); setPage(0); }}
-            sx={{ minWidth: 300 }}
+            sx={{ width: { xs: '100%', md: 300 } }}
             InputProps={{ startAdornment: <InputAdornment position="start"><SearchIcon fontSize="small" /></InputAdornment> }}
           />
           <Box sx={{ flexGrow: 1 }} />
@@ -218,33 +263,37 @@ export default function TeamUsers() {
 
         {error && <Alert severity="error" sx={{ m: 2 }} action={<Button color="inherit" size="small" onClick={load}>Retry</Button>}>{error}</Alert>}
 
-        <TableContainer>
-          <Table sx={{ minWidth: 800 }}>
-            <TableHead>
-              <TableRow sx={{ '& th': { bgcolor: 'grey.50', fontWeight: 700, color: 'grey.700', textTransform: 'uppercase', fontSize: '0.72rem', letterSpacing: 0.4 } }}>
-                <TableCell sx={{ width: 64 }}>S.No</TableCell>
-                <TableCell>User</TableCell>
-                <TableCell>Email</TableCell>
-                <TableCell>Phone</TableCell>
-                <TableCell>Role</TableCell>
-                <TableCell align="right">Actions</TableCell>
-              </TableRow>
-            </TableHead>
-            <TableBody>
-              {loading ? (
-                <TableRow>
-                  <TableCell colSpan={6} sx={{ border: 'none' }}>
-                    <Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}><CircularProgress /></Box>
-                  </TableCell>
+        {loading ? (
+          <Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}><CircularProgress /></Box>
+        ) : paged.length === 0 ? (
+          <EmptyState title="No team users found" caption="Try a different role or search term, or add a user." />
+        ) : isMobile ? (
+          <Stack spacing={1.25} sx={{ p: { xs: 1.5, sm: 2 } }}>
+            {paged.map((row, i) => (
+              <UserCard
+                key={row.id}
+                row={row}
+                index={page * rpp + i + 1}
+                onEdit={(r) => setDialog({ open: true, mode: 'edit', initial: r })}
+                onDelete={(r) => setToDelete(r)}
+              />
+            ))}
+          </Stack>
+        ) : (
+          <TableContainer>
+            <Table sx={{ minWidth: 800 }}>
+              <TableHead>
+                <TableRow sx={{ '& th': { bgcolor: 'grey.50', fontWeight: 700, color: 'grey.700', textTransform: 'uppercase', fontSize: '0.72rem', letterSpacing: 0.4 } }}>
+                  <TableCell sx={{ width: 64 }}>S.No</TableCell>
+                  <TableCell>User</TableCell>
+                  <TableCell>Email</TableCell>
+                  <TableCell>Phone</TableCell>
+                  <TableCell>Role</TableCell>
+                  <TableCell align="right">Actions</TableCell>
                 </TableRow>
-              ) : paged.length === 0 ? (
-                <TableRow>
-                  <TableCell colSpan={6} sx={{ border: 'none' }}>
-                    <EmptyState title="No team users found" caption="Try a different role or search term, or add a user." />
-                  </TableCell>
-                </TableRow>
-              ) : (
-                paged.map((row, i) => (
+              </TableHead>
+              <TableBody>
+                {paged.map((row, i) => (
                   <TableRow key={row.id} hover>
                     <TableCell><Typography variant="body2" color="text.secondary">{page * rpp + i + 1}</Typography></TableCell>
                     <TableCell><UserIdentity name={row.name} email={row.email} role={row.role} /></TableCell>
@@ -268,11 +317,11 @@ export default function TeamUsers() {
                       <Tooltip title="Delete"><IconButton size="small" color="error" onClick={() => setToDelete(row)}><DeleteOutlineIcon fontSize="small" /></IconButton></Tooltip>
                     </TableCell>
                   </TableRow>
-                ))
-              )}
-            </TableBody>
-          </Table>
-        </TableContainer>
+                ))}
+              </TableBody>
+            </Table>
+          </TableContainer>
+        )}
         <TablePagination
           component="div" count={filtered.length} page={page} onPageChange={(_, p) => setPage(p)}
           rowsPerPage={rpp} onRowsPerPageChange={(e) => { setRpp(+e.target.value); setPage(0); }} rowsPerPageOptions={[5, 10, 25]}
diff --git a/src/pages/team/UserFormDialog.jsx b/src/pages/team/UserFormDialog.jsx
index 67bc237..bad3693 100644
--- a/src/pages/team/UserFormDialog.jsx
+++ b/src/pages/team/UserFormDialog.jsx
@@ -1,8 +1,9 @@
 import { useState, useEffect } from 'react';
 import {
   Dialog, DialogTitle, DialogContent, DialogActions, Button, Grid, TextField,
-  MenuItem, Alert, CircularProgress, IconButton
+  MenuItem, Alert, CircularProgress, IconButton, useMediaQuery
 } from '@mui/material';
+import { useTheme } from '@mui/material/styles';
 import CloseIcon from '@mui/icons-material/Close';
 import { createPoint, setPayload, COLLECTIONS } from '@/utils/qdrant';
 
@@ -14,6 +15,8 @@ const withValue = (opts, v) => (v && !opts.includes(v) ? [v, ...opts] : opts);
 
 export default function UserFormDialog({ open, mode, initial, onClose, onSaved }) {
   const isEdit = mode === 'edit';
+  const theme = useTheme();
+  const fullScreen = useMediaQuery(theme.breakpoints.down('sm'));
   const [form, setForm] = useState(EMPTY);
   const [saving, setSaving] = useState(false);
   const [error, setError] = useState(null);
@@ -56,7 +59,7 @@ export default function UserFormDialog({ open, mode, initial, onClose, onSaved }
   };
 
   return (
-    <Dialog open={open} onClose={saving ? undefined : onClose} maxWidth="sm" fullWidth>
+    <Dialog open={open} onClose={saving ? undefined : onClose} maxWidth="sm" fullWidth fullScreen={fullScreen}>
       <DialogTitle sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
         {isEdit ? 'Edit Team User' : 'Add Team User'}
         <IconButton onClick={onClose} size="small" disabled={saving}><CloseIcon /></IconButton>
diff --git a/src/pages/tenants/ClientFormDialog.jsx b/src/pages/tenants/ClientFormDialog.jsx
index 7fb497c..e69e1c6 100644
--- a/src/pages/tenants/ClientFormDialog.jsx
+++ b/src/pages/tenants/ClientFormDialog.jsx
@@ -1,8 +1,9 @@
 import { useState, useEffect } from 'react';
 import {
   Dialog, DialogTitle, DialogContent, DialogActions, Button, Grid, TextField,
-  MenuItem, Box, Typography, Divider, Alert, CircularProgress, IconButton
+  MenuItem, Box, Typography, Divider, Alert, CircularProgress, IconButton, useMediaQuery
 } from '@mui/material';
+import { useTheme } from '@mui/material/styles';
 import CloseIcon from '@mui/icons-material/Close';
 import { createPoint, setPayload, COLLECTIONS } from '@/utils/qdrant';
 
@@ -23,6 +24,8 @@ const withValue = (opts, v) => (v && !opts.includes(v) ? [v, ...opts] : opts);
 
 export default function ClientFormDialog({ open, mode, initial, onClose, onSaved }) {
   const isEdit = mode === 'edit';
+  const theme = useTheme();
+  const fullScreen = useMediaQuery(theme.breakpoints.down('sm'));
   const [form, setForm] = useState(EMPTY);
   const [saving, setSaving] = useState(false);
   const [error, setError] = useState(null);
@@ -89,7 +92,7 @@ export default function ClientFormDialog({ open, mode, initial, onClose, onSaved
   };
 
   return (
-    <Dialog open={open} onClose={saving ? undefined : onClose} maxWidth="md" fullWidth>
+    <Dialog open={open} onClose={saving ? undefined : onClose} maxWidth="md" fullWidth fullScreen={fullScreen}>
       <DialogTitle sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
         {isEdit ? 'Edit Client' : 'Add Client'}
         <IconButton onClick={onClose} size="small" disabled={saving}><CloseIcon /></IconButton>
diff --git a/src/pages/tenants/Tenants.jsx b/src/pages/tenants/Tenants.jsx
index da703c4..2e72084 100644
--- a/src/pages/tenants/Tenants.jsx
+++ b/src/pages/tenants/Tenants.jsx
@@ -4,8 +4,9 @@ import {
   Card, Stack, Button, TextField, InputAdornment, Box, Tabs, Tab, Grid,
   Table, TableBody, TableCell, TableContainer, TableHead, TableRow, IconButton,
   TablePagination, Typography, Collapse, CircularProgress, Alert, Tooltip, Chip, Divider, Link,
-  Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions
+  useMediaQuery, Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions
 } from '@mui/material';
+import { useTheme } from '@mui/material/styles';
 import SearchIcon from '@mui/icons-material/Search';
 import AddIcon from '@mui/icons-material/Add';
 import RefreshIcon from '@mui/icons-material/Refresh';
@@ -180,6 +181,202 @@ function Metric({ label, value, color = 'grey.800' }) {
   );
 }
 
+// The expandable detail panel — shared by the desktop table row and the mobile card.
+function ClientDetail({ row, onEdit }) {
+  return (
+    <Box sx={{ m: 2, borderRadius: 2.5, border: 1, borderColor: 'divider', overflow: 'hidden', boxShadow: '0 4px 16px rgba(0,0,0,0.06)' }}>
+      <Stack
+        direction={{ xs: 'column', sm: 'row' }}
+        justifyContent="space-between"
+        alignItems={{ xs: 'flex-start', sm: 'center' }}
+        spacing={1.5}
+        sx={{
+          px: 2.5, py: 1.75, borderBottom: 1, borderColor: 'divider',
+          background: (theme) => `linear-gradient(90deg, ${theme.palette.primary.lighter}88 0%, ${theme.palette.background.paper} 75%)`
+        }}
+      >
+        <Stack direction="row" spacing={1.5} alignItems="center">
+          <UserAvatar name={row.name} size={40} />
+          <Box>
+            <Typography variant="subtitle1" sx={{ fontWeight: 700, lineHeight: 1.2 }}>{row.name}</Typography>
+            <Stack direction="row" spacing={0.75} alignItems="center" sx={{ mt: 0.25 }}>
+              <BadgeOutlinedIcon sx={{ fontSize: 14, color: 'grey.400' }} />
+              <Typography variant="caption" color="text.secondary">{row.clientId}</Typography>
+            </Stack>
+          </Box>
+          <StatusChip status={row.status} sx={{ ml: 0.5 }} />
+        </Stack>
+        <Button size="small" variant="contained" startIcon={<EditOutlinedIcon />} onClick={() => onEdit(row)} sx={{ width: { xs: '100%', sm: 'auto' } }}>Edit Client</Button>
+      </Stack>
+
+      <Box sx={{ p: { xs: 1.5, sm: 2.5 }, bgcolor: 'grey.50' }}>
+        <Grid container spacing={2.5} alignItems="stretch">
+          <Grid item xs={12} md={4}>
+            <SectionCard icon={StorefrontOutlinedIcon} title="Business" accent="primary">
+              <Stack direction="row" spacing={1.5}>
+                <StatTile label="Parcel Volume" value={Number(row.parcelVolume).toLocaleString()} icon={Inventory2OutlinedIcon} color="primary" />
+                <StatTile label="Active Contracts" value={row.activeContracts} icon={HandshakeOutlinedIcon} color="primary" />
+              </Stack>
+              <Field label="Client ID">
+                <Typography variant="body2" sx={{ fontFamily: 'monospace', fontWeight: 600, color: 'grey.800' }}>{row.clientId}</Typography>
+              </Field>
+              <Field label="Business Type"><Pill label={row.businessType && titleCase(row.businessType)} color="primary" /></Field>
+              <Field label="Order Frequency"><Pill label={row.frequency && titleCase(row.frequency)} color="info" /></Field>
+            </SectionCard>
+          </Grid>
+
+          <Grid item xs={12} md={4}>
+            <SectionCard icon={LocalShippingOutlinedIcon} title="Logistics" accent="primary">
+              <Field label="Logistics Segment">
+                {row.logisticsSegment ? (
+                  <Stack direction="row" spacing={0.75} flexWrap="wrap" useFlexGap>
+                    {String(row.logisticsSegment).split(/[,/]/).map((seg) => seg.trim()).filter(Boolean).map((seg) => (
+                      <Pill key={seg} label={titleCase(seg)} color="primary" />
+                    ))}
+                  </Stack>
+                ) : <Pill label={null} />}
+              </Field>
+              <ReadField label="Current Provider" value={row.provider} />
+              <Field label="Efficiency"><Pill label={row.efficiency && titleCase(row.efficiency)} color={efficiencyTone(row.efficiency)} /></Field>
+              <Field label="Transit Route">
+                {(() => {
+                  const stops = [row.transitFrom, ...String(row.transitTo || '').split(',')]
+                    .map((s) => s.trim()).filter(Boolean);
+                  if (!stops.length) return <Pill label={null} />;
+                  return (
+                    <Stack direction="row" spacing={0.75} alignItems="center" flexWrap="wrap" useFlexGap>
+                      {stops.map((stop, idx) => (
+                        <Fragment key={`${stop}-${idx}`}>
+                          {idx > 0 && <ArrowRightAltIcon sx={{ fontSize: 20, color: 'primary.main' }} />}
+                          <Pill label={titleCase(stop)} color={idx === 0 ? 'default' : 'info'} />
+                        </Fragment>
+                      ))}
+                    </Stack>
+                  );
+                })()}
+              </Field>
+            </SectionCard>
+          </Grid>
+
+          <Grid item xs={12} md={4}>
+            <SectionCard icon={PlaceOutlinedIcon} title="Location & Survey" accent="primary">
+              <Field label="City / State">
+                <Typography variant="body2" sx={{ fontWeight: 500, color: 'grey.800' }}>{[row.city, row.businessState].filter(Boolean).join(', ') || '—'}</Typography>
+              </Field>
+              <ReadField label="Neighbourhood" value={row.neighbourhood} />
+              <Field label="Survey Address">
+                <Stack direction="row" spacing={1} sx={{ p: 1.25, borderRadius: 1.5, bgcolor: 'grey.50', border: 1, borderColor: 'divider' }}>
+                  <PlaceOutlinedIcon sx={{ fontSize: 16, color: 'grey.400', mt: '2px' }} />
+                  <Typography variant="body2" sx={{ color: 'grey.800', lineHeight: 1.5 }}>{row.surveyAddress || '—'}</Typography>
+                </Stack>
+              </Field>
+              <Field label="Coordinates">
+                {row.surveyLat && row.surveyLng ? (
+                  <Stack direction="row" spacing={1.25} alignItems="center" flexWrap="wrap" useFlexGap>
+                    <Tooltip title={`${row.surveyLat}, ${row.surveyLng}`} arrow placement="top">
+                      <Stack direction="row" spacing={0.5} alignItems="center" sx={{ cursor: 'default' }}>
+                        <PlaceOutlinedIcon sx={{ fontSize: 16, color: 'grey.400' }} />
+                        <Typography variant="body2" sx={{ fontWeight: 500, color: 'grey.800', borderBottom: '1px dotted', borderColor: 'grey.300' }}>
+                          {[row.neighbourhood, row.city].filter(Boolean).join(', ') || 'Pinned location'}
+                        </Typography>
+                      </Stack>
+                    </Tooltip>
+                    <Button
+                      component="a"
+                      href={`https://www.google.com/maps?q=${row.surveyLat},${row.surveyLng}`}
+                      target="_blank" rel="noopener"
+                      size="small" variant="outlined" startIcon={<MapOutlinedIcon sx={{ fontSize: 16 }} />}
+                      sx={{
+                        py: 0.25, px: 1.25, minWidth: 0, fontSize: '0.75rem', fontWeight: 600, borderRadius: 5,
+                        color: 'primary.main', borderColor: 'primary.100', bgcolor: 'primary.lighter',
+                        '&:hover': { borderColor: 'primary.main', bgcolor: 'primary.lighter' }
+                      }}
+                    >
+                      View on map
+                    </Button>
+                  </Stack>
+                ) : <Typography variant="body2" sx={{ color: 'grey.500' }}>—</Typography>}
+              </Field>
+            </SectionCard>
+          </Grid>
+
+          <Grid item xs={12}>
+            <SectionCard icon={InfoOutlinedIcon} title="Contact & Compliance" accent="primary">
+              <Grid container spacing={2.5}>
+                <Grid item xs={12} sm={6} md={4}><ReadField label="Phone" value={row.phone} /></Grid>
+                <Grid item xs={12} sm={6} md={4}><Field label="Data Consent"><Pill label={row.dataConsent && titleCase(row.dataConsent)} color={consentTone(row.dataConsent)} /></Field></Grid>
+                <Grid item xs={12} sm={6} md={4}><ReadField label="Last Updated" value={row.lastUpdated} /></Grid>
+                {row.notes && (
+                  <Grid item xs={12}>
+                    <Box sx={{ p: 2, borderRadius: 1.5, bgcolor: 'warning.lighter', border: 1, borderColor: 'warning.light' }}>
+                      <Stack direction="row" spacing={1} alignItems="center" sx={{ mb: 0.5 }}>
+                        <NotesOutlinedIcon sx={{ fontSize: 16, color: 'warning.dark' }} />
+                        <Typography variant="caption" sx={{ color: 'warning.dark', textTransform: 'uppercase', letterSpacing: 0.4, fontSize: '0.68rem', fontWeight: 700 }}>Notes</Typography>
+                      </Stack>
+                      <Typography variant="body2" sx={{ color: 'grey.800' }}>{row.notes}</Typography>
+                    </Box>
+                  </Grid>
+                )}
+              </Grid>
+            </SectionCard>
+          </Grid>
+        </Grid>
+      </Box>
+    </Box>
+  );
+}
+
+// Mobile presentation of a client — summary card with an expandable detail panel.
+function ClientCard({ row, onEdit, onDelete }) {
+  const [open, setOpen] = useState(false);
+  return (
+    <Box sx={{ borderRadius: 3, border: 1, borderColor: open ? 'primary.light' : 'divider', bgcolor: 'background.paper', overflow: 'hidden' }}>
+      <Box sx={{ p: 2 }}>
+        <Stack direction="row" spacing={1.25} alignItems="center">
+          <UserAvatar name={row.name} size={42} />
+          <Box sx={{ minWidth: 0, flexGrow: 1 }}>
+            <Typography variant="body2" sx={{ fontWeight: 700, color: 'grey.800' }} noWrap>{row.name}</Typography>
+            <Typography variant="caption" sx={{ fontFamily: 'monospace', fontWeight: 700, color: 'primary.main' }}>{row.logicalId}</Typography>
+          </Box>
+          <StatusChip status={row.status} />
+        </Stack>
+
+        <Stack spacing={1} sx={{ mt: 1.75 }}>
+          <Stack direction="row" spacing={1} alignItems="center">
+            <PhoneOutlinedIcon sx={{ fontSize: 16, color: 'grey.400', flexShrink: 0 }} />
+            <Typography variant="body2">{row.phone || '—'}</Typography>
+          </Stack>
+          <Stack direction="row" spacing={1} alignItems="center">
+            <PlaceOutlinedIcon sx={{ fontSize: 16, color: 'grey.400', flexShrink: 0 }} />
+            <Typography variant="body2" noWrap>{row.city || '—'}{row.businessState ? `, ${row.businessState}` : ''}</Typography>
+          </Stack>
+        </Stack>
+
+        <Stack direction="row" spacing={1.5} alignItems="center" divider={<Divider orientation="vertical" flexItem />} sx={{ mt: 1.75 }}>
+          <Metric label="Parcels" value={Number(row.parcelVolume).toLocaleString()} />
+          <Metric label="Contracts" value={row.activeContracts} color="primary.main" />
+        </Stack>
+
+        <Divider sx={{ my: 1.5 }} />
+        <Stack direction="row" spacing={1} justifyContent="space-between" alignItems="center">
+          <Button size="small" onClick={() => setOpen((o) => !o)} endIcon={open ? <KeyboardArrowUpIcon /> : <KeyboardArrowDownIcon />}>
+            {open ? 'Hide' : 'Details'}
+          </Button>
+          <Stack direction="row" spacing={1}>
+            <Button size="small" variant="outlined" startIcon={<EditOutlinedIcon fontSize="small" />} onClick={() => onEdit(row)}>Edit</Button>
+            <Button size="small" variant="outlined" color="error" startIcon={<DeleteOutlineIcon fontSize="small" />} onClick={() => onDelete(row)}>Delete</Button>
+          </Stack>
+        </Stack>
+      </Box>
+      <Collapse in={open} timeout="auto" unmountOnExit>
+        <Box sx={{ borderTop: 1, borderColor: 'divider' }}>
+          <ClientDetail row={row} onEdit={onEdit} />
+        </Box>
+      </Collapse>
+    </Box>
+  );
+}
+
 function ClientRow({ row, index, onEdit, onDelete }) {
   const [open, setOpen] = useState(false);
 
@@ -254,145 +451,7 @@ function ClientRow({ row, index, onEdit, onDelete }) {
       <TableRow>
         <TableCell colSpan={8} sx={{ py: 0, borderBottom: open ? undefined : 'none' }}>
           <Collapse in={open} timeout="auto" unmountOnExit>
-            <Box sx={{ m: 2, borderRadius: 2.5, border: 1, borderColor: 'divider', overflow: 'hidden', boxShadow: '0 4px 16px rgba(0,0,0,0.06)' }}>
-              <Stack
-                direction={{ xs: 'column', sm: 'row' }}
-                justifyContent="space-between"
-                alignItems={{ xs: 'flex-start', sm: 'center' }}
-                spacing={1.5}
-                sx={{
-                  px: 2.5, py: 1.75, borderBottom: 1, borderColor: 'divider',
-                  background: (theme) => `linear-gradient(90deg, ${theme.palette.primary.lighter}88 0%, ${theme.palette.background.paper} 75%)`
-                }}
-              >
-                <Stack direction="row" spacing={1.5} alignItems="center">
-                  <UserAvatar name={row.name} size={40} />
-                  <Box>
-                    <Typography variant="subtitle1" sx={{ fontWeight: 700, lineHeight: 1.2 }}>{row.name}</Typography>
-                    <Stack direction="row" spacing={0.75} alignItems="center" sx={{ mt: 0.25 }}>
-                      <BadgeOutlinedIcon sx={{ fontSize: 14, color: 'grey.400' }} />
-                      <Typography variant="caption" color="text.secondary">{row.clientId}</Typography>
-                    </Stack>
-                  </Box>
-                  <StatusChip status={row.status} sx={{ ml: 0.5 }} />
-                </Stack>
-                <Button size="small" variant="contained" startIcon={<EditOutlinedIcon />} onClick={() => onEdit(row)}>Edit Client</Button>
-              </Stack>
-
-              <Box sx={{ p: 2.5, bgcolor: 'grey.50' }}>
-                <Grid container spacing={2.5} alignItems="stretch">
-                  <Grid item xs={12} md={4}>
-                    <SectionCard icon={StorefrontOutlinedIcon} title="Business" accent="primary">
-                      <Stack direction="row" spacing={1.5}>
-                        <StatTile label="Parcel Volume" value={Number(row.parcelVolume).toLocaleString()} icon={Inventory2OutlinedIcon} color="primary" />
-                        <StatTile label="Active Contracts" value={row.activeContracts} icon={HandshakeOutlinedIcon} color="primary" />
-                      </Stack>
-                      <Field label="Client ID">
-                        <Typography variant="body2" sx={{ fontFamily: 'monospace', fontWeight: 600, color: 'grey.800' }}>{row.clientId}</Typography>
-                      </Field>
-                      <Field label="Business Type"><Pill label={row.businessType && titleCase(row.businessType)} color="primary" /></Field>
-                      <Field label="Order Frequency"><Pill label={row.frequency && titleCase(row.frequency)} color="info" /></Field>
-                    </SectionCard>
-                  </Grid>
-
-                  <Grid item xs={12} md={4}>
-                    <SectionCard icon={LocalShippingOutlinedIcon} title="Logistics" accent="primary">
-                      <Field label="Logistics Segment">
-                        {row.logisticsSegment ? (
-                          <Stack direction="row" spacing={0.75} flexWrap="wrap" useFlexGap>
-                            {String(row.logisticsSegment).split(/[,/]/).map((seg) => seg.trim()).filter(Boolean).map((seg) => (
-                              <Pill key={seg} label={titleCase(seg)} color="primary" />
-                            ))}
-                          </Stack>
-                        ) : <Pill label={null} />}
-                      </Field>
-                      <ReadField label="Current Provider" value={row.provider} />
-                      <Field label="Efficiency"><Pill label={row.efficiency && titleCase(row.efficiency)} color={efficiencyTone(row.efficiency)} /></Field>
-                      <Field label="Transit Route">
-                        {(() => {
-                          const stops = [row.transitFrom, ...String(row.transitTo || '').split(',')]
-                            .map((s) => s.trim()).filter(Boolean);
-                          if (!stops.length) return <Pill label={null} />;
-                          return (
-                            <Stack direction="row" spacing={0.75} alignItems="center" flexWrap="wrap" useFlexGap>
-                              {stops.map((stop, idx) => (
-                                <Fragment key={`${stop}-${idx}`}>
-                                  {idx > 0 && <ArrowRightAltIcon sx={{ fontSize: 20, color: 'primary.main' }} />}
-                                  <Pill label={titleCase(stop)} color={idx === 0 ? 'default' : 'info'} />
-                                </Fragment>
-                              ))}
-                            </Stack>
-                          );
-                        })()}
-                      </Field>
-                    </SectionCard>
-                  </Grid>
-
-                  <Grid item xs={12} md={4}>
-                    <SectionCard icon={PlaceOutlinedIcon} title="Location & Survey" accent="primary">
-                      <Field label="City / State">
-                        <Typography variant="body2" sx={{ fontWeight: 500, color: 'grey.800' }}>{[row.city, row.businessState].filter(Boolean).join(', ') || '—'}</Typography>
-                      </Field>
-                      <ReadField label="Neighbourhood" value={row.neighbourhood} />
-                      <Field label="Survey Address">
-                        <Stack direction="row" spacing={1} sx={{ p: 1.25, borderRadius: 1.5, bgcolor: 'grey.50', border: 1, borderColor: 'divider' }}>
-                          <PlaceOutlinedIcon sx={{ fontSize: 16, color: 'grey.400', mt: '2px' }} />
-                          <Typography variant="body2" sx={{ color: 'grey.800', lineHeight: 1.5 }}>{row.surveyAddress || '—'}</Typography>
-                        </Stack>
-                      </Field>
-                      <Field label="Coordinates">
-                        {row.surveyLat && row.surveyLng ? (
-                          <Stack direction="row" spacing={1.25} alignItems="center" flexWrap="wrap" useFlexGap>
-                            <Tooltip title={`${row.surveyLat}, ${row.surveyLng}`} arrow placement="top">
-                              <Stack direction="row" spacing={0.5} alignItems="center" sx={{ cursor: 'default' }}>
-                                <PlaceOutlinedIcon sx={{ fontSize: 16, color: 'grey.400' }} />
-                                <Typography variant="body2" sx={{ fontWeight: 500, color: 'grey.800', borderBottom: '1px dotted', borderColor: 'grey.300' }}>
-                                  {[row.neighbourhood, row.city].filter(Boolean).join(', ') || 'Pinned location'}
-                                </Typography>
-                              </Stack>
-                            </Tooltip>
-                            <Button
-                              component="a"
-                              href={`https://www.google.com/maps?q=${row.surveyLat},${row.surveyLng}`}
-                              target="_blank" rel="noopener"
-                              size="small" variant="outlined" startIcon={<MapOutlinedIcon sx={{ fontSize: 16 }} />}
-                              sx={{
-                                py: 0.25, px: 1.25, minWidth: 0, fontSize: '0.75rem', fontWeight: 600, borderRadius: 5,
-                                color: 'primary.main', borderColor: 'primary.100', bgcolor: 'primary.lighter',
-                                '&:hover': { borderColor: 'primary.main', bgcolor: 'primary.lighter' }
-                              }}
-                            >
-                              View on map
-                            </Button>
-                          </Stack>
-                        ) : <Typography variant="body2" sx={{ color: 'grey.500' }}>—</Typography>}
-                      </Field>
-                    </SectionCard>
-                  </Grid>
-
-                  <Grid item xs={12}>
-                    <SectionCard icon={InfoOutlinedIcon} title="Contact & Compliance" accent="primary">
-                      <Grid container spacing={2.5}>
-                        <Grid item xs={12} sm={6} md={4}><ReadField label="Phone" value={row.phone} /></Grid>
-                        <Grid item xs={12} sm={6} md={4}><Field label="Data Consent"><Pill label={row.dataConsent && titleCase(row.dataConsent)} color={consentTone(row.dataConsent)} /></Field></Grid>
-                        <Grid item xs={12} sm={6} md={4}><ReadField label="Last Updated" value={row.lastUpdated} /></Grid>
-                        {row.notes && (
-                          <Grid item xs={12}>
-                            <Box sx={{ p: 2, borderRadius: 1.5, bgcolor: 'warning.lighter', border: 1, borderColor: 'warning.light' }}>
-                              <Stack direction="row" spacing={1} alignItems="center" sx={{ mb: 0.5 }}>
-                                <NotesOutlinedIcon sx={{ fontSize: 16, color: 'warning.dark' }} />
-                                <Typography variant="caption" sx={{ color: 'warning.dark', textTransform: 'uppercase', letterSpacing: 0.4, fontSize: '0.68rem', fontWeight: 700 }}>Notes</Typography>
-                              </Stack>
-                              <Typography variant="body2" sx={{ color: 'grey.800' }}>{row.notes}</Typography>
-                            </Box>
-                          </Grid>
-                        )}
-                      </Grid>
-                    </SectionCard>
-                  </Grid>
-                </Grid>
-              </Box>
-            </Box>
+            <ClientDetail row={row} onEdit={onEdit} />
           </Collapse>
         </TableCell>
       </TableRow>
@@ -401,6 +460,8 @@ function ClientRow({ row, index, onEdit, onDelete }) {
 }
 
 export default function Tenants() {
+  const theme = useTheme();
+  const isMobile = useMediaQuery(theme.breakpoints.down('md'));
   const [clients, setClients] = useState([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState(null);
@@ -489,9 +550,9 @@ export default function Tenants() {
         title="Clients"
         breadcrumbs={[{ label: 'Clients' }]}
         action={
-          <Stack direction="row" spacing={1.5}>
-            <Button variant="outlined" startIcon={<RefreshIcon />} onClick={load} disabled={loading}>Refresh</Button>
-            <Button variant="contained" startIcon={<AddIcon />} onClick={() => setDialog({ open: true, mode: 'add', initial: null })}>Add Client</Button>
+          <Stack direction="row" spacing={1.5} sx={{ width: { xs: '100%', sm: 'auto' } }}>
+            <Button variant="outlined" startIcon={<RefreshIcon />} onClick={load} disabled={loading} sx={{ flex: { xs: 1, sm: 'none' } }}>Refresh</Button>
+            <Button variant="contained" startIcon={<AddIcon />} onClick={() => setDialog({ open: true, mode: 'add', initial: null })} sx={{ flex: { xs: 1, sm: 'none' } }}>Add Client</Button>
           </Stack>
         }
       />
@@ -523,7 +584,7 @@ export default function Tenants() {
         <Stack direction={{ xs: 'column', md: 'row' }} spacing={1.5} sx={{ p: 2 }} alignItems={{ md: 'center' }}>
           <TextField
             size="small" placeholder="Search by name, phone, city, ID…" value={search} onChange={(e) => { setSearch(e.target.value); setPage(0); }}
-            sx={{ minWidth: 300 }}
+            sx={{ width: { xs: '100%', md: 300 } }}
             InputProps={{ startAdornment: <InputAdornment position="start"><SearchIcon fontSize="small" /></InputAdornment> }}
           />
           <Box sx={{ flexGrow: 1 }} />
@@ -547,35 +608,38 @@ export default function Tenants() {
 
         {error && <Alert severity="error" sx={{ m: 2 }} action={<Button color="inherit" size="small" onClick={load}>Retry</Button>}>{error}</Alert>}
 
-        <TableContainer>
-          <Table sx={{ minWidth: 900 }}>
-            <TableHead>
-              <TableRow sx={{ '& th': { bgcolor: 'grey.50', fontWeight: 700, color: 'grey.700', textTransform: 'uppercase', fontSize: '0.72rem', letterSpacing: 0.4 } }}>
-                <TableCell padding="checkbox" />
-                <TableCell>ID</TableCell>
-                <TableCell>Client</TableCell>
-                <TableCell>Contact</TableCell>
-                <TableCell>Location</TableCell>
-                <TableCell align="center">Volume</TableCell>
-                <TableCell>Status</TableCell>
-                <TableCell align="right">Actions</TableCell>
-              </TableRow>
-            </TableHead>
-            <TableBody>
-              {loading ? (
-                <TableRow>
-                  <TableCell colSpan={8} sx={{ border: 'none' }}>
-                    <Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}><CircularProgress /></Box>
-                  </TableCell>
+        {loading ? (
+          <Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}><CircularProgress /></Box>
+        ) : paged.length === 0 ? (
+          <EmptyState title="No clients found" caption="Try a different tab or search term, or add a client." />
+        ) : isMobile ? (
+          <Stack spacing={1.5} sx={{ p: 2 }}>
+            {paged.map((row) => (
+              <ClientCard
+                key={row.id}
+                row={row}
+                onEdit={(r) => setDialog({ open: true, mode: 'edit', initial: r })}
+                onDelete={(r) => setToDelete(r)}
+              />
+            ))}
+          </Stack>
+        ) : (
+          <TableContainer>
+            <Table sx={{ minWidth: 900 }}>
+              <TableHead>
+                <TableRow sx={{ '& th': { bgcolor: 'grey.50', fontWeight: 700, color: 'grey.700', textTransform: 'uppercase', fontSize: '0.72rem', letterSpacing: 0.4 } }}>
+                  <TableCell padding="checkbox" />
+                  <TableCell>ID</TableCell>
+                  <TableCell>Client</TableCell>
+                  <TableCell>Contact</TableCell>
+                  <TableCell>Location</TableCell>
+                  <TableCell align="center">Volume</TableCell>
+                  <TableCell>Status</TableCell>
+                  <TableCell align="right">Actions</TableCell>
                 </TableRow>
-              ) : paged.length === 0 ? (
-                <TableRow>
-                  <TableCell colSpan={8} sx={{ border: 'none' }}>
-                    <EmptyState title="No clients found" caption="Try a different tab or search term, or add a client." />
-                  </TableCell>
-                </TableRow>
-              ) : (
-                paged.map((row, i) => (
+              </TableHead>
+              <TableBody>
+                {paged.map((row, i) => (
                   <ClientRow
                     key={row.id}
                     row={row}
@@ -583,11 +647,11 @@ export default function Tenants() {
                     onEdit={(r) => setDialog({ open: true, mode: 'edit', initial: r })}
                     onDelete={(r) => setToDelete(r)}
                   />
-                ))
-              )}
-            </TableBody>
-          </Table>
-        </TableContainer>
+                ))}
+              </TableBody>
+            </Table>
+          </TableContainer>
+        )}
         <TablePagination
           component="div" count={filtered.length} page={page} onPageChange={(_, p) => setPage(p)}
           rowsPerPage={rpp} onRowsPerPageChange={(e) => { setRpp(+e.target.value); setPage(0); }} rowsPerPageOptions={[5, 10, 25]}