feat: Apple-style donation-focused landing page + Azure OpenAI fixes

Major updates:
- Replace homepage with clean, minimalist Apple-style landing page
- Focus on donation messaging and mission statement
- Add comprehensive AI chat analysis documentation
- Fix Azure OpenAI configuration with correct endpoints
- Update embedding API to use text-embedding-ada-002 (1536 dims)

Landing Page Features:
- Hero section with tagline "Every Scripture. Every Language. Forever Free"
- Mission statement emphasizing free access
- Matthew 10:8 verse highlight
- 6 feature cards (Global Library, Multilingual, Prayer Wall, AI Chat, Privacy, Offline)
- Donation CTA sections with PayPal and card options
- "Why It Matters" section with dark background
- Clean footer with navigation links

Technical Changes:
- Updated .env.local with new Azure credentials
- Fixed vector-search.ts to support separate embed API version
- Integrated AuthModal into Bible reader and prayers page
- Made prayer filters collapsible and mobile-responsive
- Changed language picker to single-select

Documentation Created:
- AI_CHAT_FIX_PLAN.md - Comprehensive implementation plan
- AI_CHAT_VERIFICATION_FINDINGS.md - Database analysis
- AI_CHAT_ANALYSIS_SUMMARY.md - Executive summary
- AI_CHAT_STATUS_UPDATE.md - Current status and next steps
- logo.svg - App logo (MenuBook icon)

Build: ✅ Successful (Next.js 15.5.3)

🤖 Generated with Claude Code

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

app/[locale]/prayers/page.tsx

@@ -18,6 +18,7 @@ import {
   ListItemText,
   MenuItem,
   useTheme,
+  useMediaQuery,
   CircularProgress,
   Skeleton,
   Alert,
@@ -29,6 +30,9 @@ import {
   Checkbox,
   SelectChangeEvent,
   Switch,
+  Accordion,
+  AccordionSummary,
+  AccordionDetails,
 } from '@mui/material'
 import {
   Favorite,
@@ -42,10 +46,12 @@ import {
   AutoAwesome,
   Edit,
   Login,
+  ExpandMore,
 } from '@mui/icons-material'
 import { useState, useEffect, useMemo } from 'react'
 import { useTranslations, useLocale, useFormatter } from 'next-intl'
 import { useAuth } from '@/hooks/use-auth'
+import { AuthModal } from '@/components/auth/auth-modal'
 
 interface PrayerRequest {
   id: string
@@ -68,6 +74,7 @@ export default function PrayersPage() {
   const tc = useTranslations('common')
   const f = useFormatter()
   const { user } = useAuth()
+  const isMobile = useMediaQuery(theme.breakpoints.down('md'))
   const [prayers, setPrayers] = useState<PrayerRequest[]>([])
   const [selectedCategory, setSelectedCategory] = useState<string>('all')
   const [openDialog, setOpenDialog] = useState(false)
@@ -82,12 +89,14 @@ export default function PrayersPage() {
   const [isGenerating, setIsGenerating] = useState(false)
   const [loading, setLoading] = useState(true)
   const [viewMode, setViewMode] = useState<'private' | 'public'>(user ? 'private' : 'public')
-  const [selectedLanguages, setSelectedLanguages] = useState<string[]>([locale])
+  const [selectedLanguage, setSelectedLanguage] = useState<string>(locale)
+  const [authModalOpen, setAuthModalOpen] = useState(false)
 
-  const languagesKey = useMemo(() => selectedLanguages.slice().sort().join(','), [selectedLanguages])
   const languageOptions = useMemo(() => ([
     { value: 'en', label: t('languageFilter.options.en') },
-    { value: 'ro', label: t('languageFilter.options.ro') }
+    { value: 'ro', label: t('languageFilter.options.ro') },
+    { value: 'es', label: t('languageFilter.options.es') },
+    { value: 'it', label: t('languageFilter.options.it') }
   ]), [t])
   const languageLabelMap = useMemo(() => (
     languageOptions.reduce((acc, option) => {
@@ -106,21 +115,10 @@ export default function PrayersPage() {
 
   useEffect(() => {
     if (viewMode === 'public') {
-      setSelectedLanguages(prev => {
-        if (prev.includes(locale)) {
-          return prev
-        }
-        return [...prev, locale]
-      })
+      setSelectedLanguage(locale)
     }
   }, [locale, viewMode])
 
-  useEffect(() => {
-    if (viewMode === 'public' && selectedLanguages.length === 0) {
-      setSelectedLanguages([locale])
-    }
-  }, [viewMode, selectedLanguages, locale])
-
   const categories = [
     { value: 'personal', label: t('categories.personal'), color: 'primary' },
     { value: 'family', label: t('categories.family'), color: 'secondary' },
@@ -148,8 +146,7 @@ export default function PrayersPage() {
       params.append('visibility', viewMode)
 
       if (viewMode === 'public') {
-        const languagesToQuery = selectedLanguages.length > 0 ? selectedLanguages : [locale]
-        languagesToQuery.forEach(lang => params.append('languages', lang))
+        params.append('languages', selectedLanguage)
       }
 
       const headers: Record<string, string> = {}
@@ -185,7 +182,7 @@ export default function PrayersPage() {
 
   useEffect(() => {
     fetchPrayers()
-  }, [selectedCategory, user, viewMode, languagesKey])
+  }, [selectedCategory, user, viewMode, selectedLanguage])
 
   const handleGenerateAIPrayer = async () => {
     if (!aiPrompt.trim()) return
@@ -225,14 +222,9 @@ export default function PrayersPage() {
     }
   }
 
-  const handleLanguageChange = (event: SelectChangeEvent<string[]>) => {
+  const handleLanguageChange = (event: SelectChangeEvent<string>) => {
     const value = event.target.value
-    const parsed = typeof value === 'string'
-      ? value.split(',')
-      : (value as string[])
-
-    const uniqueValues = Array.from(new Set(parsed.filter(Boolean)))
-    setSelectedLanguages(uniqueValues)
+    setSelectedLanguage(value)
   }
 
   const handleSubmitPrayer = async () => {
@@ -273,12 +265,18 @@ export default function PrayersPage() {
 
   const handleOpenDialog = () => {
     if (!user) {
-      // Could redirect to login or show login modal
+      setAuthModalOpen(true)
       return
     }
     setOpenDialog(true)
   }
 
+  const handleAuthSuccess = () => {
+    setAuthModalOpen(false)
+    // After successful auth, open the add prayer dialog
+    setOpenDialog(true)
+  }
+
   const handlePrayFor = async (prayerId: string) => {
     try {
       const headers: HeadersInit = {
@@ -371,80 +369,101 @@ export default function PrayersPage() {
                     fullWidth
                     variant="contained"
                     color="primary"
-                    startIcon={<Login />}
-                    onClick={() => {
-                      // Could redirect to login page or show login modal
-                      console.log('Please login to add prayers')
-                    }}
+                    startIcon={<Add />}
+                    onClick={handleOpenDialog}
                     sx={{ mb: 3 }}
                   >
-                    {locale === 'en' ? 'Login to Add Prayer' : 'Conectează-te pentru a adăuga'}
+                    {t('addPrayer')}
                   </Button>
                 )}
 
-                <Typography variant="h6" gutterBottom>
-                  {t('categories.title')}
-                </Typography>
-                <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
-                  <Chip
-                    label={t('categories.all')}
-                    color="default"
-                    variant={selectedCategory === 'all' ? 'filled' : 'outlined'}
-                    size="small"
-                    onClick={() => setSelectedCategory('all')}
-                    sx={{ justifyContent: 'flex-start', cursor: 'pointer' }}
-                  />
-                  {categories.map((category) => (
-                    <Chip
-                      key={category.value}
-                      label={category.label}
-                      color={category.color as any}
-                      variant={selectedCategory === category.value ? 'filled' : 'outlined'}
-                      size="small"
-                      onClick={() => setSelectedCategory(category.value)}
-                      sx={{ justifyContent: 'flex-start', cursor: 'pointer' }}
-                    />
-                  ))}
-                </Box>
+                {/* Categories Accordion */}
+                <Accordion defaultExpanded={!isMobile}>
+                  <AccordionSummary
+                    expandIcon={<ExpandMore />}
+                    aria-controls="categories-content"
+                    id="categories-header"
+                  >
+                    <Typography variant="h6">
+                      {t('categories.title')}
+                    </Typography>
+                  </AccordionSummary>
+                  <AccordionDetails>
+                    <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
+                      <Chip
+                        label={t('categories.all')}
+                        color="default"
+                        variant={selectedCategory === 'all' ? 'filled' : 'outlined'}
+                        size="small"
+                        onClick={() => setSelectedCategory('all')}
+                        sx={{ justifyContent: 'flex-start', cursor: 'pointer' }}
+                      />
+                      {categories.map((category) => (
+                        <Chip
+                          key={category.value}
+                          label={category.label}
+                          color={category.color as any}
+                          variant={selectedCategory === category.value ? 'filled' : 'outlined'}
+                          size="small"
+                          onClick={() => setSelectedCategory(category.value)}
+                          sx={{ justifyContent: 'flex-start', cursor: 'pointer' }}
+                        />
+                      ))}
+                    </Box>
+                  </AccordionDetails>
+                </Accordion>
 
+                {/* Language Filter Accordion */}
                 {viewMode === 'public' && (
-                  <Box sx={{ mt: 3 }}>
-                    <Typography variant="h6" sx={{ mb: 1 }}>
-                      {t('languageFilter.title')}
-                    </Typography>
-                    <FormControl fullWidth size="small">
-                      <Select
-                        multiple
-                        value={selectedLanguages}
-                        onChange={handleLanguageChange}
-                        renderValue={(selected) =>
-                          (selected as string[])
-                            .map(code => languageLabelMap[code] || code.toUpperCase())
-                            .join(', ')
-                        }
-                      >
-                        {languageOptions.map(option => (
-                          <MenuItem key={option.value} value={option.value}>
-                            <Checkbox checked={selectedLanguages.includes(option.value)} />
-                            <ListItemText primary={option.label} />
-                          </MenuItem>
-                        ))}
-                      </Select>
-                    </FormControl>
-                    <Typography variant="caption" color="text.secondary" sx={{ mt: 1 }}>
-                      {t('languageFilter.helper')}
-                    </Typography>
-                  </Box>
+                  <Accordion defaultExpanded={!isMobile} sx={{ mt: 2 }}>
+                    <AccordionSummary
+                      expandIcon={<ExpandMore />}
+                      aria-controls="language-content"
+                      id="language-header"
+                    >
+                      <Typography variant="h6">
+                        {t('languageFilter.title')}
+                      </Typography>
+                    </AccordionSummary>
+                    <AccordionDetails>
+                      <FormControl fullWidth size="small">
+                        <Select
+                          value={selectedLanguage}
+                          onChange={handleLanguageChange}
+                        >
+                          {languageOptions.map(option => (
+                            <MenuItem key={option.value} value={option.value}>
+                              {option.label}
+                            </MenuItem>
+                          ))}
+                        </Select>
+                      </FormControl>
+                      <Typography variant="caption" color="text.secondary" sx={{ mt: 1, display: 'block' }}>
+                        {t('languageFilter.helper')}
+                      </Typography>
+                    </AccordionDetails>
+                  </Accordion>
                 )}
 
-                <Typography variant="h6" sx={{ mt: 3, mb: 1 }}>
-                  {t('stats.title')}
-                </Typography>
-                <Typography variant="body2" color="text.secondary">
-                  • {t('stats.activeRequests', { count: prayers.length })}<br />
-                  • {t('stats.totalPrayers', { count: prayers.reduce((sum, p) => sum + p.prayerCount, 0) })}<br />
-                  • {t('stats.youPrayed', { count: prayers.filter(p => p.isPrayedFor).length })}
-                </Typography>
+                {/* Stats Accordion */}
+                <Accordion defaultExpanded={!isMobile} sx={{ mt: 2 }}>
+                  <AccordionSummary
+                    expandIcon={<ExpandMore />}
+                    aria-controls="stats-content"
+                    id="stats-header"
+                  >
+                    <Typography variant="h6">
+                      {t('stats.title')}
+                    </Typography>
+                  </AccordionSummary>
+                  <AccordionDetails>
+                    <Typography variant="body2" color="text.secondary">
+                      • {t('stats.activeRequests', { count: prayers.length })}<br />
+                      • {t('stats.totalPrayers', { count: prayers.reduce((sum, p) => sum + p.prayerCount, 0) })}<br />
+                      • {t('stats.youPrayed', { count: prayers.filter(p => p.isPrayedFor).length })}
+                    </Typography>
+                  </AccordionDetails>
+                </Accordion>
               </CardContent>
             </Card>
           </Box>
@@ -773,6 +792,15 @@ export default function PrayersPage() {
             </Button>
           </DialogActions>
         </Dialog>
+
+        {/* Auth Modal */}
+        <AuthModal
+          open={authModalOpen}
+          onClose={() => setAuthModalOpen(false)}
+          onSuccess={handleAuthSuccess}
+          message={t('authRequired')}
+          defaultTab="login"
+        />
       </Container>
     </Box>
   )