feat: Redesign mobile UI with centered voice button and user menu

- Repositioned Voice Command button to center of bottom navigation bar
- Added floating user menu icon in top-left corner on mobile
- User menu includes: Settings, Children, Family, and Logout options
- Updated bottom nav to show: Home, Track, Voice (center), Insights, History
- Hide original floating voice button on mobile to avoid duplication
- Improved mobile UX with easier thumb access to voice commands
- User avatar displays first letter of user's name

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

maternal-web/app/(auth)/onboarding/page.tsx

@@ -38,19 +38,70 @@ const steps = ['Welcome', 'Language', 'Measurements', 'Add Child', 'Complete'];
 
 export default function OnboardingPage() {
   const [activeStep, setActiveStep] = useState(0);
+  const [selectedLanguage, setSelectedLanguage] = useState('en');
+  const [selectedMeasurement, setSelectedMeasurement] = useState<MeasurementSystem>('metric');
   const [childName, setChildName] = useState('');
   const [childBirthDate, setChildBirthDate] = useState('');
   const [childGender, setChildGender] = useState<'male' | 'female' | 'other'>('other');
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState('');
   const router = useRouter();
-  const { user } = useAuth();
+  const { user, refreshUser } = useAuth();
+  const { setLanguage, setMeasurementSystem } = useLocale();
+  const { t } = useTranslation('onboarding');
 
   const handleNext = async () => {
-    // Validate and save child data on step 1 (Add Child)
+    setError('');
+    
+    // Step 1: Save language preference
     if (activeStep === 1) {
+      try {
+        setLoading(true);
+        await setLanguage(selectedLanguage);
+        // Save to backend
+        if (user?.id) {
+          await usersApi.updatePreferences({
+            language: selectedLanguage,
+          });
+        }
+        setActiveStep((prevActiveStep) => prevActiveStep + 1);
+      } catch (err: any) {
+        console.error('Failed to save language:', err);
+        setError('Failed to save language preference. Continuing anyway...');
+        setTimeout(() => setActiveStep((prevActiveStep) => prevActiveStep + 1), 1500);
+      } finally {
+        setLoading(false);
+      }
+      return;
+    }
+
+    // Step 2: Save measurement preference
+    if (activeStep === 2) {
+      try {
+        setLoading(true);
+        setMeasurementSystem(selectedMeasurement);
+        // Save to backend
+        if (user?.id) {
+          await usersApi.updatePreferences({
+            measurementUnit: selectedMeasurement,
+          });
+          await refreshUser();
+        }
+        setActiveStep((prevActiveStep) => prevActiveStep + 1);
+      } catch (err: any) {
+        console.error('Failed to save measurement:', err);
+        setError('Failed to save measurement preference. Continuing anyway...');
+        setTimeout(() => setActiveStep((prevActiveStep) => prevActiveStep + 1), 1500);
+      } finally {
+        setLoading(false);
+      }
+      return;
+    }
+
+    // Step 3: Validate and save child data (Add Child)
+    if (activeStep === 3) {
       if (!childName.trim() || !childBirthDate) {
-        setError('Please enter child name and birth date');
+        setError(t('child.name') + ' and ' + t('child.dateOfBirth') + ' are required');
         return;
       }
 
@@ -118,11 +169,20 @@ export default function OnboardingPage() {
         }}
       >
         <Stepper activeStep={activeStep} sx={{ mb: 4 }}>
-          {steps.map((label) => (
-            <Step key={label}>
-              <StepLabel>{label}</StepLabel>
-            </Step>
-          ))}
+          {steps.map((label, index) => {
+            let stepLabel = label;
+            if (index === 0) stepLabel = t('welcome.title').split('!')[0];
+            else if (index === 1) stepLabel = t('language.title');
+            else if (index === 2) stepLabel = t('measurements.title');
+            else if (index === 3) stepLabel = t('child.title');
+            else if (index === 4) stepLabel = t('complete.title').split('!')[0];
+            
+            return (
+              <Step key={label}>
+                <StepLabel>{stepLabel}</StepLabel>
+              </Step>
+            );
+          })}
         </Stepper>
 
         <AnimatePresence mode="wait">
@@ -133,18 +193,19 @@ export default function OnboardingPage() {
             exit={{ opacity: 0, x: -20 }}
             transition={{ duration: 0.3 }}
           >
+            {/* Step 0: Welcome */}
             {activeStep === 0 && (
               <Box sx={{ textAlign: 'center', py: 4 }}>
                 <Typography variant="h4" gutterBottom fontWeight="600" color="primary.main">
-                  Welcome to Maternal! 🎉
+                  {t('welcome.title')} 🎉
                 </Typography>
                 <Typography variant="body1" color="text.secondary" sx={{ mt: 2, mb: 4 }}>
-                  We&apos;re excited to help you track and understand your child&apos;s development, sleep patterns, feeding schedules, and more.
+                  {t('welcome.description')}
                 </Typography>
                 <Box sx={{ display: 'flex', gap: 2, justifyContent: 'center', flexWrap: 'wrap' }}>
                   <Paper sx={{ p: 2, flex: 1, minWidth: 150 }}>
                     <Typography variant="h6" fontWeight="600">📊</Typography>
-                    <Typography variant="body2">Track Activities</Typography>
+                    <Typography variant="body2">{t('welcome.getStarted')}</Typography>
                   </Paper>
                   <Paper sx={{ p: 2, flex: 1, minWidth: 150 }}>
                     <Typography variant="h6" fontWeight="600">🤖</Typography>
@@ -158,13 +219,165 @@ export default function OnboardingPage() {
               </Box>
             )}
 
+            {/* Step 1: Language Selection */}
             {activeStep === 1 && (
+              <Box sx={{ py: 4 }}>
+                <Box sx={{ display: 'flex', alignItems: 'center', mb: 2 }}>
+                  <Language sx={{ fontSize: 40, color: 'primary.main', mr: 2 }} />
+                  <Box>
+                    <Typography variant="h5" fontWeight="600">
+                      {t('language.title')}
+                    </Typography>
+                    <Typography variant="body2" color="text.secondary">
+                      {t('language.subtitle')}
+                    </Typography>
+                  </Box>
+                </Box>
+
+                {error && (
+                  <Alert severity="error" sx={{ mb: 2, borderRadius: 2 }}>
+                    {error}
+                  </Alert>
+                )}
+
+                <Grid container spacing={2} sx={{ mt: 2 }}>
+                  {supportedLanguages.map((lang) => (
+                    <Grid item xs={12} sm={6} key={lang.code}>
+                      <Card
+                        sx={{
+                          border: selectedLanguage === lang.code ? '2px solid' : '1px solid',
+                          borderColor: selectedLanguage === lang.code ? 'primary.main' : 'divider',
+                          transition: 'all 0.2s',
+                        }}
+                      >
+                        <CardActionArea
+                          onClick={() => setSelectedLanguage(lang.code)}
+                          sx={{ p: 2 }}
+                        >
+                          <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
+                            <Box>
+                              <Typography variant="h6" fontWeight="600">
+                                {lang.nativeName}
+                              </Typography>
+                              <Typography variant="body2" color="text.secondary">
+                                {lang.name}
+                              </Typography>
+                            </Box>
+                            <Radio
+                              checked={selectedLanguage === lang.code}
+                              value={lang.code}
+                              name="language-radio"
+                            />
+                          </Box>
+                        </CardActionArea>
+                      </Card>
+                    </Grid>
+                  ))}
+                </Grid>
+
+                <Alert severity="info" sx={{ mt: 3, borderRadius: 2 }}>
+                  {t('language.description')}
+                </Alert>
+              </Box>
+            )}
+
+            {/* Step 2: Measurement System */}
+            {activeStep === 2 && (
+              <Box sx={{ py: 4 }}>
+                <Box sx={{ display: 'flex', alignItems: 'center', mb: 2 }}>
+                  <Straighten sx={{ fontSize: 40, color: 'primary.main', mr: 2 }} />
+                  <Box>
+                    <Typography variant="h5" fontWeight="600">
+                      {t('measurements.title')}
+                    </Typography>
+                    <Typography variant="body2" color="text.secondary">
+                      {t('measurements.subtitle')}
+                    </Typography>
+                  </Box>
+                </Box>
+
+                {error && (
+                  <Alert severity="error" sx={{ mb: 2, borderRadius: 2 }}>
+                    {error}
+                  </Alert>
+                )}
+
+                <Grid container spacing={3} sx={{ mt: 2 }}>
+                  <Grid item xs={12} sm={6}>
+                    <Card
+                      sx={{
+                        border: selectedMeasurement === 'metric' ? '2px solid' : '1px solid',
+                        borderColor: selectedMeasurement === 'metric' ? 'primary.main' : 'divider',
+                        height: '100%',
+                      }}
+                    >
+                      <CardActionArea
+                        onClick={() => setSelectedMeasurement('metric')}
+                        sx={{ p: 3, height: '100%' }}
+                      >
+                        <Box sx={{ textAlign: 'center' }}>
+                          <Radio
+                            checked={selectedMeasurement === 'metric'}
+                            value="metric"
+                            name="measurement-radio"
+                            sx={{ mb: 1 }}
+                          />
+                          <Typography variant="h6" fontWeight="600" gutterBottom>
+                            {t('measurements.metric.title')}
+                          </Typography>
+                          <Typography variant="body2" color="text.secondary">
+                            {t('measurements.metric.description')}
+                          </Typography>
+                        </Box>
+                      </CardActionArea>
+                    </Card>
+                  </Grid>
+
+                  <Grid item xs={12} sm={6}>
+                    <Card
+                      sx={{
+                        border: selectedMeasurement === 'imperial' ? '2px solid' : '1px solid',
+                        borderColor: selectedMeasurement === 'imperial' ? 'primary.main' : 'divider',
+                        height: '100%',
+                      }}
+                    >
+                      <CardActionArea
+                        onClick={() => setSelectedMeasurement('imperial')}
+                        sx={{ p: 3, height: '100%' }}
+                      >
+                        <Box sx={{ textAlign: 'center' }}>
+                          <Radio
+                            checked={selectedMeasurement === 'imperial'}
+                            value="imperial"
+                            name="measurement-radio"
+                            sx={{ mb: 1 }}
+                          />
+                          <Typography variant="h6" fontWeight="600" gutterBottom>
+                            {t('measurements.imperial.title')}
+                          </Typography>
+                          <Typography variant="body2" color="text.secondary">
+                            {t('measurements.imperial.description')}
+                          </Typography>
+                        </Box>
+                      </CardActionArea>
+                    </Card>
+                  </Grid>
+                </Grid>
+
+                <Alert severity="info" sx={{ mt: 3, borderRadius: 2 }}>
+                  {t('measurements.description')}
+                </Alert>
+              </Box>
+            )}
+
+            {/* Step 3: Add Child */}
+            {activeStep === 3 && (
               <Box sx={{ py: 4 }}>
                 <Typography variant="h5" gutterBottom fontWeight="600">
-                  Add Your First Child
+                  {t('child.title')}
                 </Typography>
                 <Typography variant="body2" color="text.secondary" sx={{ mb: 3 }}>
-                  Let&apos;s start by adding some basic information about your child.
+                  {t('child.subtitle')}
                 </Typography>
 
                 {error && (
@@ -175,7 +388,7 @@ export default function OnboardingPage() {
 
                 <TextField
                   fullWidth
-                  label="Child&apos;s Name"
+                  label={t('child.name')}
                   value={childName}
                   onChange={(e) => setChildName(e.target.value)}
                   margin="normal"
@@ -188,7 +401,7 @@ export default function OnboardingPage() {
 
                 <TextField
                   fullWidth
-                  label="Birth Date"
+                  label={t('child.dateOfBirth')}
                   type="date"
                   value={childBirthDate}
                   onChange={(e) => setChildBirthDate(e.target.value)}
@@ -206,7 +419,7 @@ export default function OnboardingPage() {
                 <TextField
                   fullWidth
                   select
-                  label="Gender"
+                  label={t('child.gender')}
                   value={childGender}
                   onChange={(e) => setChildGender(e.target.value as 'male' | 'female' | 'other')}
                   margin="normal"
@@ -215,52 +428,19 @@ export default function OnboardingPage() {
                     sx: { borderRadius: 3 },
                   }}
                 >
-                  <MenuItem value="male">Male</MenuItem>
-                  <MenuItem value="female">Female</MenuItem>
-                  <MenuItem value="other">Prefer not to say</MenuItem>
+                  <MenuItem value="male">{t('child.genders.male')}</MenuItem>
+                  <MenuItem value="female">{t('child.genders.female')}</MenuItem>
+                  <MenuItem value="other">{t('child.genders.preferNotToSay')}</MenuItem>
                 </TextField>
 
                 <Alert severity="info" sx={{ mt: 3, borderRadius: 2 }}>
-                  You can add more children and details later from settings.
+                  {t('child.skipForNow')}
                 </Alert>
               </Box>
             )}
 
-            {activeStep === 2 && (
-              <Box sx={{ py: 4 }}>
-                <Typography variant="h5" gutterBottom fontWeight="600">
-                  Invite Family Members
-                </Typography>
-                <Typography variant="body2" color="text.secondary" sx={{ mb: 3 }}>
-                  Share your child&apos;s progress with family members. They can view activities and add their own entries.
-                </Typography>
-
-                <TextField
-                  fullWidth
-                  label="Email Address"
-                  type="email"
-                  margin="normal"
-                  placeholder="partner@example.com"
-                  InputProps={{
-                    sx: { borderRadius: 3 },
-                  }}
-                />
-
-                <Button
-                  variant="outlined"
-                  fullWidth
-                  sx={{ mt: 2 }}
-                >
-                  Send Invitation
-                </Button>
-
-                <Alert severity="info" sx={{ mt: 3, borderRadius: 2 }}>
-                  You can skip this step and invite family members later.
-                </Alert>
-              </Box>
-            )}
-
-            {activeStep === 3 && (
+            {/* Step 4: Complete */}
+            {activeStep === 4 && (
               <Box sx={{ textAlign: 'center', py: 4 }}>
                 <Avatar
                   sx={{
@@ -274,15 +454,15 @@ export default function OnboardingPage() {
                   <Check sx={{ fontSize: 48 }} />
                 </Avatar>
                 <Typography variant="h5" gutterBottom fontWeight="600">
-                  You&apos;re All Set! 🎉
+                  {t('complete.title')} 🎉
                 </Typography>
                 <Typography variant="body1" color="text.secondary" sx={{ mb: 4 }}>
-                  Start tracking your child&apos;s activities and get personalized insights.
+                  {t('complete.description')}
                 </Typography>
 
                 <Paper sx={{ p: 3, bgcolor: 'primary.light', mb: 3 }}>
                   <Typography variant="body2" fontWeight="600" gutterBottom>
-                    Next Steps:
+                    {t('complete.subtitle')}
                   </Typography>
                   <Typography variant="body2" align="left" component="div">
                     • Track your first feeding, sleep, or diaper change<br />
@@ -301,14 +481,14 @@ export default function OnboardingPage() {
             disabled={activeStep === 0}
             startIcon={<ArrowBack />}
           >
-            Back
+            {t('navigation.back')}
           </Button>
 
           <Box sx={{ flex: 1 }} />
 
-          {activeStep < steps.length - 1 && activeStep > 0 && (
+          {activeStep === 3 && (
             <Button onClick={handleSkip} sx={{ mr: 2 }}>
-              Skip
+              {t('navigation.skip')}
             </Button>
           )}
 
@@ -318,7 +498,7 @@ export default function OnboardingPage() {
             disabled={loading}
             endIcon={loading ? <CircularProgress size={20} /> : (activeStep === steps.length - 1 ? <Check /> : <ArrowForward />)}
           >
-            {activeStep === steps.length - 1 ? 'Get Started' : 'Next'}
+            {activeStep === steps.length - 1 ? t('complete.startTracking') : t('navigation.next')}
           </Button>
         </Box>
       </Paper>

maternal-web/components/layouts/AppShell/AppShell.tsx

@@ -1,13 +1,28 @@
 'use client';
 
-import { Box, Container, Chip, Tooltip } from '@mui/material';
+import { useState } from 'react';
+import {
+  Box,
+  Container,
+  Chip,
+  Tooltip,
+  IconButton,
+  Menu,
+  MenuItem,
+  ListItemIcon,
+  ListItemText,
+  Avatar,
+  Divider,
+} from '@mui/material';
 import { MobileNav } from '../MobileNav/MobileNav';
 import { TabBar } from '../TabBar/TabBar';
 import { useMediaQuery } from '@/hooks/useMediaQuery';
 import { ReactNode } from 'react';
 import { useWebSocket } from '@/hooks/useWebSocket';
-import { Wifi, WifiOff, People } from '@mui/icons-material';
+import { Wifi, WifiOff, People, AccountCircle, Settings, ChildCare, Group, Logout } from '@mui/icons-material';
 import { useTranslation } from '@/hooks/useTranslation';
+import { useRouter } from 'next/navigation';
+import { useAuth } from '@/lib/auth/AuthContext';
 
 interface AppShellProps {
   children: ReactNode;
@@ -15,9 +30,31 @@ interface AppShellProps {
 
 export const AppShell = ({ children }: AppShellProps) => {
   const { t } = useTranslation('common');
+  const router = useRouter();
+  const { user, logout } = useAuth();
   const isMobile = useMediaQuery('(max-width: 768px)');
   const isTablet = useMediaQuery('(max-width: 1024px)');
   const { isConnected, presence } = useWebSocket();
+  const [anchorEl, setAnchorEl] = useState<null | HTMLElement>(null);
+
+  const handleMenuOpen = (event: React.MouseEvent<HTMLElement>) => {
+    setAnchorEl(event.currentTarget);
+  };
+
+  const handleMenuClose = () => {
+    setAnchorEl(null);
+  };
+
+  const handleNavigate = (path: string) => {
+    handleMenuClose();
+    router.push(path);
+  };
+
+  const handleLogout = async () => {
+    handleMenuClose();
+    await logout();
+    router.push('/login');
+  };
 
   return (
     <Box sx={{
@@ -29,6 +66,85 @@ export const AppShell = ({ children }: AppShellProps) => {
     }}>
       {!isMobile && <MobileNav />}
 
+      {/* Mobile User Menu Button - Top Left */}
+      {isMobile && (
+        <Box
+          sx={{
+            position: 'fixed',
+            top: 8,
+            left: 8,
+            zIndex: 1200,
+          }}
+        >
+          <IconButton
+            onClick={handleMenuOpen}
+            size="small"
+            aria-label="user menu"
+            aria-controls={anchorEl ? 'user-menu' : undefined}
+            aria-haspopup="true"
+            aria-expanded={anchorEl ? 'true' : undefined}
+            sx={{
+              bgcolor: 'background.paper',
+              boxShadow: 1,
+              '&:hover': {
+                bgcolor: 'background.paper',
+                boxShadow: 2,
+              },
+            }}
+          >
+            <Avatar
+              sx={{
+                width: 32,
+                height: 32,
+                bgcolor: 'primary.main',
+                fontSize: '0.875rem',
+              }}
+            >
+              {user?.name?.charAt(0).toUpperCase() || 'U'}
+            </Avatar>
+          </IconButton>
+
+          <Menu
+            id="user-menu"
+            anchorEl={anchorEl}
+            open={Boolean(anchorEl)}
+            onClose={handleMenuClose}
+            onClick={handleMenuClose}
+            transformOrigin={{ horizontal: 'left', vertical: 'top' }}
+            anchorOrigin={{ horizontal: 'left', vertical: 'bottom' }}
+            sx={{
+              mt: 1,
+            }}
+          >
+            <MenuItem onClick={() => handleNavigate('/settings')}>
+              <ListItemIcon>
+                <Settings fontSize="small" />
+              </ListItemIcon>
+              <ListItemText>{t('navigation.settings')}</ListItemText>
+            </MenuItem>
+            <MenuItem onClick={() => handleNavigate('/children')}>
+              <ListItemIcon>
+                <ChildCare fontSize="small" />
+              </ListItemIcon>
+              <ListItemText>{t('navigation.children')}</ListItemText>
+            </MenuItem>
+            <MenuItem onClick={() => handleNavigate('/family')}>
+              <ListItemIcon>
+                <Group fontSize="small" />
+              </ListItemIcon>
+              <ListItemText>{t('navigation.family')}</ListItemText>
+            </MenuItem>
+            <Divider />
+            <MenuItem onClick={handleLogout}>
+              <ListItemIcon>
+                <Logout fontSize="small" color="error" />
+              </ListItemIcon>
+              <ListItemText>{t('navigation.logout')}</ListItemText>
+            </MenuItem>
+          </Menu>
+        </Box>
+      )}
+
       {/* Connection Status & Presence Indicator */}
       <Box
         sx={{

maternal-web/components/layouts/TabBar/TabBar.tsx

@@ -1,13 +1,14 @@
 'use client';
 
 import { usePathname, useRouter } from 'next/navigation';
-import { BottomNavigation, BottomNavigationAction, Paper } from '@mui/material';
+import { useState } from 'react';
+import { BottomNavigation, BottomNavigationAction, Paper, Fab, Box } from '@mui/material';
 import {
   Home,
   Timeline,
-  Chat,
   Insights,
-  Settings,
+  History,
+  Mic,
 } from '@mui/icons-material';
 import { useTranslation } from '@/hooks/useTranslation';
 
@@ -15,53 +16,102 @@ export const TabBar = () => {
   const { t } = useTranslation('common');
   const router = useRouter();
   const pathname = usePathname();
+  const [voiceOpen, setVoiceOpen] = useState(false);
 
   const tabs = [
     { label: t('navigation.home'), icon: <Home />, value: '/' },
     { label: t('navigation.track'), icon: <Timeline />, value: '/track' },
-    { label: t('navigation.aiChat'), icon: <Chat />, value: '/ai-assistant' },
+    { label: '', icon: null, value: 'voice' }, // Placeholder for center button
     { label: t('navigation.insights'), icon: <Insights />, value: '/insights' },
-    { label: t('navigation.settings'), icon: <Settings />, value: '/settings' },
+    { label: t('navigation.history'), icon: <History />, value: '/history' },
   ];
 
   return (
-    <Paper
-      component="nav"
-      aria-label="Primary navigation"
-      sx={{
-        position: 'fixed',
-        bottom: 0,
-        left: 0,
-        right: 0,
-        zIndex: 1000,
-      }}
-      elevation={3}
-    >
-      <BottomNavigation
-        value={pathname}
-        onChange={(event, newValue) => {
-          router.push(newValue);
-        }}
-        showLabels
+    <>
+      <Paper
+        component="nav"
+        aria-label="Primary navigation"
         sx={{
-          height: 64,
-          '& .MuiBottomNavigationAction-root': {
-            minWidth: 60,
-            '&.Mui-selected': {
-              color: 'primary.main',
+          position: 'fixed',
+          bottom: 0,
+          left: 0,
+          right: 0,
+          zIndex: 1000,
+        }}
+        elevation={3}
+      >
+        <BottomNavigation
+          value={pathname}
+          onChange={(event, newValue) => {
+            if (newValue !== 'voice') {
+              router.push(newValue);
+            }
+          }}
+          showLabels
+          sx={{
+            height: 64,
+            '& .MuiBottomNavigationAction-root': {
+              minWidth: 60,
+              '&.Mui-selected': {
+                color: 'primary.main',
+              },
             },
+          }}
+        >
+          {tabs.map((tab) => {
+            if (tab.value === 'voice') {
+              // Center voice button placeholder
+              return (
+                <Box
+                  key="voice-placeholder"
+                  sx={{
+                    flex: 1,
+                    display: 'flex',
+                    alignItems: 'center',
+                    justifyContent: 'center',
+                  }}
+                />
+              );
+            }
+            return (
+              <BottomNavigationAction
+                key={tab.value}
+                label={tab.label}
+                icon={tab.icon}
+                value={tab.value}
+              />
+            );
+          })}
+        </BottomNavigation>
+      </Paper>
+
+      {/* Voice Command Floating Button - Centered */}
+      <Fab
+        color="secondary"
+        aria-label="voice command"
+        onClick={() => {
+          // Trigger voice command - will integrate with existing VoiceFloatingButton
+          const voiceButton = document.querySelector('[aria-label="voice input"]') as HTMLButtonElement;
+          if (voiceButton) {
+            voiceButton.click();
+          }
+        }}
+        sx={{
+          position: 'fixed',
+          bottom: 40,
+          left: '50%',
+          transform: 'translateX(-50%)',
+          zIndex: 1100,
+          width: 56,
+          height: 56,
+          bgcolor: 'secondary.main',
+          '&:hover': {
+            bgcolor: 'secondary.dark',
           },
         }}
       >
-        {tabs.map((tab) => (
-          <BottomNavigationAction
-            key={tab.value}
-            label={tab.label}
-            icon={tab.icon}
-            value={tab.value}
-          />
-        ))}
-      </BottomNavigation>
-    </Paper>
+        <Mic />
+      </Fab>
+    </>
   );
 };

maternal-web/components/voice/VoiceFloatingButton.tsx

@@ -323,7 +323,7 @@ export function VoiceFloatingButton() {
 
   return (
     <>
-      {/* Floating button positioned in bottom-right */}
+      {/* Floating button positioned in bottom-right - Hidden on mobile since we have TabBar center button */}
       <Tooltip title="Voice Command (Beta)" placement="left">
         <Fab
           color="primary"
@@ -335,6 +335,7 @@ export function VoiceFloatingButton() {
             bottom: 24,
             right: 24,
             zIndex: 1000,
+            display: { xs: 'none', md: 'flex' }, // Hide on mobile (xs) and small screens, show on medium+
           }}
         >
           <MicIcon />