feat: add cryptocurrency donation support with Cryptomus integration

- Added support modal component with payment creation flow and multi-language translations
- Integrated heart icon button in header to open donation modal
- Refactored PackageBrowser to accept packages as props and simplified filtering logic

.env.local.example

@@ -0,0 +1,7 @@
+# Cryptomus API Configuration
+# Get these from your Cryptomus merchant dashboard: https://cryptomus.com/merchant
+CRYPTOMUS_MERCHANT_ID=your_merchant_id_here
+CRYPTOMUS_PAYMENT_API_KEY=your_payment_api_key_here
+
+# NextAuth URL Configuration
+NEXTAUTH_URL=http://localhost:3002

src/app/api/support/create-payment/route.ts

@@ -0,0 +1,136 @@
+import { NextRequest, NextResponse } from 'next/server'
+
+const CRYPTOMUS_API_URL = 'https://api.cryptomus.com/v1/payment'
+const MERCHANT_ID = process.env.CRYPTOMUS_MERCHANT_ID || ''
+const PAYMENT_API_KEY = process.env.CRYPTOMUS_PAYMENT_API_KEY || ''
+
+interface PaymentRequest {
+  amount: number
+  currency: string
+  order_id: string
+  description: string
+  email?: string
+}
+
+interface CryptomusResponse {
+  result: {
+    uuid: string
+    url: string
+    order_id: string
+    amount: string
+    currency: string
+    status: string
+  }
+  state: number
+}
+
+function generateSign(data: any, apiKey: string): string {
+  // Convert data to JSON and sort keys for consistent signature
+  const sortedData = Object.keys(data)
+    .sort()
+    .reduce((result: any, key: string) => {
+      result[key] = data[key]
+      return result
+    }, {})
+  
+  const jsonString = JSON.stringify(sortedData)
+  
+  // Create MD5 hash using Web Crypto API
+  const encoder = new TextEncoder()
+  const dataBuffer = encoder.encode(jsonString + apiKey)
+  
+  // For server-side, we'll use Node.js crypto
+  const crypto = require('crypto')
+  return crypto.createHash('md5').update(jsonString + apiKey).digest('hex')
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    if (!MERCHANT_ID || !PAYMENT_API_KEY) {
+      return NextResponse.json(
+        { error: 'Payment service not configured' },
+        { status: 500 }
+      )
+    }
+
+    const body: PaymentRequest = await request.json()
+    
+    // Validate input
+    if (!body.amount || body.amount <= 0) {
+      return NextResponse.json(
+        { error: 'Invalid amount' },
+        { status: 400 }
+      )
+    }
+
+    if (!body.currency) {
+      return NextResponse.json(
+        { error: 'Currency is required' },
+        { status: 400 }
+      )
+    }
+
+    // Prepare data for Cryptomus
+    const paymentData = {
+      merchant_id: MERCHANT_ID,
+      amount: body.amount.toString(),
+      currency: body.currency,
+      order_id: body.order_id,
+      description: body.description,
+      url_callback: `${process.env.NEXTAUTH_URL || 'http://localhost:3002'}/api/support/webhook`,
+      url_success: `${process.env.NEXTAUTH_URL || 'http://localhost:3002'}/support/success`,
+      email: body.email || undefined,
+      lifetime: 3600, // 1 hour
+      is_payment_multiple: false
+    }
+
+    // Generate signature
+    const sign = generateSign(paymentData, PAYMENT_API_KEY)
+    
+    // Make request to Cryptomus
+    const response = await fetch(CRYPTOMUS_API_URL, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'merchant': MERCHANT_ID,
+        'sign': sign
+      },
+      body: JSON.stringify(paymentData)
+    })
+
+    if (!response.ok) {
+      const errorData = await response.text()
+      console.error('Cryptomus API error:', errorData)
+      return NextResponse.json(
+        { error: 'Payment service error' },
+        { status: 500 }
+      )
+    }
+
+    const cryptomusResponse: CryptomusResponse = await response.json()
+    
+    if (cryptomusResponse.state !== 0) {
+      return NextResponse.json(
+        { error: 'Payment creation failed' },
+        { status: 500 }
+      )
+    }
+
+    // Return payment data to client
+    return NextResponse.json({
+      payment_id: cryptomusResponse.result.uuid,
+      payment_url: cryptomusResponse.result.url,
+      order_id: cryptomusResponse.result.order_id,
+      amount: cryptomusResponse.result.amount,
+      currency: cryptomusResponse.result.currency,
+      status: cryptomusResponse.result.status
+    })
+
+  } catch (error) {
+    console.error('Payment creation error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}

src/app/api/support/webhook/route.ts

@@ -0,0 +1,83 @@
+import { NextRequest, NextResponse } from 'next/server'
+
+const PAYMENT_API_KEY = process.env.CRYPTOMUS_PAYMENT_API_KEY || ''
+
+interface WebhookData {
+  uuid: string
+  order_id: string
+  amount: string
+  currency: string
+  status: string
+  sign: string
+}
+
+function verifySign(data: any, apiKey: string): boolean {
+  // Extract sign from data and create a copy without it
+  const { sign: receivedSign, ...dataToVerify } = data
+  
+  // Sort keys and create JSON string
+  const sortedData = Object.keys(dataToVerify)
+    .sort()
+    .reduce((result: any, key: string) => {
+      result[key] = dataToVerify[key]
+      return result
+    }, {})
+  
+  const jsonString = JSON.stringify(sortedData)
+  
+  // Generate expected signature
+  const crypto = require('crypto')
+  const expectedSign = crypto.createHash('md5').update(jsonString + apiKey).digest('hex')
+  
+  return receivedSign === expectedSign
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    if (!PAYMENT_API_KEY) {
+      console.error('Cryptomus API key not configured')
+      return NextResponse.json({ error: 'Service not configured' }, { status: 500 })
+    }
+
+    const body: WebhookData = await request.json()
+    
+    // Verify webhook signature
+    if (!verifySign(body, PAYMENT_API_KEY)) {
+      console.error('Invalid webhook signature')
+      return NextResponse.json({ error: 'Invalid signature' }, { status: 401 })
+    }
+
+    // Log payment status
+    console.log('Payment webhook received:', {
+      uuid: body.uuid,
+      order_id: body.order_id,
+      amount: body.amount,
+      currency: body.currency,
+      status: body.status,
+      timestamp: new Date().toISOString()
+    })
+
+    // Here you can:
+    // 1. Update your database with payment status
+    // 2. Send confirmation email
+    // 3. Notify administrators
+    // 4. Grant access to premium features
+
+    if (body.status === 'paid' || body.status === 'paid_over') {
+      console.log(`Payment successful: ${body.order_id} - ${body.amount} ${body.currency}`)
+      
+      // TODO: Add your business logic here
+      // - Update user's support status
+      // - Send thank you email
+      // - Record in database
+    } else if (body.status === 'cancelled' || body.status === 'expired') {
+      console.log(`Payment cancelled/expired: ${body.order_id}`)
+    }
+
+    return NextResponse.json({ status: 'success' })
+
+  } catch (error) {
+    console.error('Webhook error:', error)
+    return NextResponse.json({ error: 'Webhook processing failed' }, { status: 500 })
+  }
+}

src/app/support/success/page.tsx

@@ -0,0 +1,54 @@
+"use client"
+
+import { useEffect } from 'react'
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
+import { Button } from '@/components/ui/button'
+import { CheckCircle, Heart, ArrowLeft } from 'lucide-react'
+import { useLocale } from '@/contexts/LocaleContext'
+import { useRouter } from 'next/navigation'
+
+export default function SupportSuccessPage() {
+  const { t } = useLocale()
+  const router = useRouter()
+
+  useEffect(() => {
+    // You could verify payment status here if needed
+    console.log('Support payment success page loaded')
+  }, [])
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-100 dark:from-gray-900 dark:to-gray-800 flex items-center justify-center p-4">
+      <Card className="w-full max-w-md">
+        <CardHeader className="text-center">
+          <div className="mx-auto mb-4 w-16 h-16 bg-green-100 rounded-full flex items-center justify-center">
+            <CheckCircle className="w-8 h-8 text-green-600" />
+          </div>
+          <CardTitle className="flex items-center justify-center space-x-2">
+            <Heart className="w-5 h-5 text-red-500" />
+            <span>{t('support.success_title')}</span>
+          </CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-4 text-center">
+          <p className="text-muted-foreground">
+            {t('support.success_message')}
+          </p>
+          
+          <div className="space-y-2 text-sm text-muted-foreground">
+            <p>{t('support.success_note1')}</p>
+            <p>{t('support.success_note2')}</p>
+          </div>
+
+          <div className="pt-4 space-y-2">
+            <Button 
+              onClick={() => router.push('/')}
+              className="w-full"
+            >
+              <ArrowLeft className="w-4 h-4 mr-2" />
+              {t('support.back_to_site')}
+            </Button>
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}

src/components/Header.tsx

@@ -1,13 +1,16 @@
 "use client"
 
+import { useState } from 'react'
 import { Button } from '@/components/ui/button'
 import { useTheme } from '@/hooks/useTheme'
 import { useLocale } from '@/contexts/LocaleContext'
-import { Sun, Moon, Monitor, Globe } from 'lucide-react'
+import { SupportModal } from '@/components/SupportModal'
+import { Sun, Moon, Monitor, Globe, Heart } from 'lucide-react'
 
 export function Header() {
   const { theme, isDark, toggleTheme } = useTheme()
-  const { locale, toggleLocale } = useLocale()
+  const { locale, toggleLocale, t } = useLocale()
+  const [isSupportModalOpen, setIsSupportModalOpen] = useState(false)
 
   const getThemeIcon = () => {
     switch (theme) {
@@ -32,6 +35,7 @@ export function Header() {
   }
 
   return (
+    <>
       <header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
       <div className="container flex h-14 items-center justify-between">
         <div className="flex items-center space-x-2">
@@ -44,6 +48,19 @@ export function Header() {
         </div>
 
         <div className="flex items-center space-x-2">
+          {/* Support Button */}
+          <Button
+            variant="ghost"
+            size="sm"
+            onClick={() => setIsSupportModalOpen(true)}
+            className="w-full justify-start text-red-600 hover:text-red-700 hover:bg-red-50 dark:hover:bg-red-950/20"
+          >
+            <Heart className="h-4 w-4" />
+            <span className="ml-2 hidden sm:inline">
+              {t('support.title')}
+            </span>
+          </Button>
+
           {/* Theme Toggle */}
           <Button
             variant="ghost"
@@ -72,5 +89,12 @@ export function Header() {
         </div>
       </div>
     </header>
+
+      {/* Support Modal */}
+      <SupportModal
+        isOpen={isSupportModalOpen}
+        onClose={() => setIsSupportModalOpen(false)}
+      />
+    </>
   )
 }

src/components/PackageBrowser.tsx

@@ -5,77 +5,52 @@ import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/com
 import { Button } from '@/components/ui/button'
 import { Checkbox } from '@/components/ui/checkbox'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
-import { apiClient } from '@/lib/api/client'
 import { useLocale } from '@/contexts/LocaleContext'
-import { Package, FilterOptions, Platform } from '@/types'
+import { PackageIcon, Search, Monitor, Terminal } from 'lucide-react'
-import { Search, Package as PackageIcon, Terminal, Monitor } from 'lucide-react'
+
+interface Package {
+  id: string
+  name: string
+  version: string
+  description: string
+  category: string
+  type: 'gui' | 'cli'
+  repository: 'official' | 'third-party'
+  license: string
+  tags: string[]
+  popularity?: number
+}
 
 interface PackageBrowserProps {
-  selectedPlatform: Platform | null
+  selectedPlatform: { id: string; name: string } | null
+  packages: Package[]
   selectedPackages: Package[]
   onPackageToggle: (pkg: Package) => void
-  onFiltersChange: (filters: FilterOptions) => void
+  loading?: boolean
 }
 
 export function PackageBrowser({
   selectedPlatform,
+  packages,
   selectedPackages,
   onPackageToggle,
-  onFiltersChange 
+  loading = false
 }: PackageBrowserProps) {
   const { t } = useLocale()
-  const [packages, setPackages] = useState<Package[]>([])
-  const [loading, setLoading] = useState(true)
   const [searchQuery, setSearchQuery] = useState('')
-  const [filters, setFilters] = useState<FilterOptions>({
+  const [filters, setFilters] = useState({
-    platform_id: selectedPlatform?.id || '',
+    categories: [] as string[],
-    type: '',
+    types: [] as ('gui' | 'cli')[],
-    repository: '',
+    repositories: [] as ('official' | 'third-party')[]
-    search: '',
-    limit: 50,
-    offset: 0
   })
 
-  // Load packages when platform changes
+  const categories = useMemo(() => {
-  useEffect(() => {
+    const cats = new Set(packages.map(pkg => pkg.category))
-    const loadPackages = async () => {
+    return Array.from(cats).sort()
-      if (!selectedPlatform) {
+  }, [packages])
-        setPackages([])
-        setLoading(false)
-        return
-      }
-
-      setLoading(true)
-      try {
-        const result = await apiClient.getPackages({
-          platform_id: selectedPlatform.id,
-          search: searchQuery,
-          type: filters.type || undefined,
-          repository: filters.repository || undefined,
-          limit: filters.limit,
-          offset: filters.offset
-        })
-        setPackages(result.packages)
-      } catch (error) {
-        console.error('Failed to load packages:', error)
-        // Fallback to mock data if API fails
-        const { mockPackages } = await import('@/data/mockData')
-        setPackages(mockPackages.filter(pkg => pkg.platform === selectedPlatform.id))
-      } finally {
-        setLoading(false)
-      }
-    }
-
-    loadPackages()
-  }, [selectedPlatform, searchQuery, filters.type, filters.repository])
 
   const filteredPackages = useMemo(() => {
     return packages.filter(pkg => {
-      // Platform filter
-      if (selectedPlatform && pkg.platform !== selectedPlatform.id) {
-        return false
-      }
-
       // Search filter
       if (searchQuery && !pkg.name.toLowerCase().includes(searchQuery.toLowerCase()) && 
           !pkg.description.toLowerCase().includes(searchQuery.toLowerCase())) {
@@ -87,11 +62,6 @@ export function PackageBrowser({
         return false
       }
 
-      // License filter
-      if (filters.licenses.length > 0 && !filters.licenses.includes(pkg.license)) {
-        return false
-      }
-
       // Type filter
       if (filters.types.length > 0 && !filters.types.includes(pkg.type)) {
         return false
@@ -104,12 +74,13 @@ export function PackageBrowser({
 
       return true
     })
-  }, [selectedPlatform, searchQuery, filters])
+  }, [packages, searchQuery, filters])
 
-  const handleFilterChange = (key: keyof FilterOptions, value: any) => {
+  const handleFilterChange = (filterType: keyof typeof filters, values: string[]) => {
-    const newFilters = { ...filters, [key]: value }
+    setFilters(prev => ({
-    setFilters(newFilters)
+      ...prev,
-    onFiltersChange(newFilters)
+      [filterType]: values
+    }))
   }
 
   const isPackageSelected = (pkg: Package) => {
@@ -126,64 +97,20 @@ export function PackageBrowser({
     )
   }
 
+  if (loading) {
     return (
-    <div className="space-y-6">
+      <Card className="w-full">
-      {/* Filters */}
+        <CardHeader className="pb-4">
-      <Card>
+          <CardTitle className="text-lg flex items-center gap-2">
-        <CardHeader>
+            <PackageIcon className="h-5 w-5" />
-          <CardTitle>Filters</CardTitle>
+            {t('packages.title')}
-        </CardHeader>
+            {selectedPlatform && (
-        <CardContent>
+              <span className="text-sm font-normal text-muted-foreground">
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
+                ({packages.length} packages for {selectedPlatform.name})
-            {/* Search */}
+              </span>
-            <div className="relative">
+            )}
-              <Search className="absolute left-3 top-3 h-4 w-4 text-muted-foreground" />
+          </CardTitle>
-              <input
+          <CardDescription className="text-sm">
-                type="text"
-                placeholder={t('packages.search')}
-                className="w-full pl-10 pr-4 py-2 border border-input rounded-md bg-background"
-                value={searchQuery}
-                onChange={(e) => setSearchQuery(e.target.value)}
-              />
-            </div>
-
-            {/* Category Filter */}
-            <Select onValueChange={(value) => 
-              handleFilterChange('categories', value ? [value] : [])
-            }>
-              <SelectTrigger>
-                <SelectValue placeholder={t('packages.filters.category')} />
-              </SelectTrigger>
-              <SelectContent>
-                {categories.map(category => (
-                  <SelectItem key={category} value={category}>
-                    {category}
-                  </SelectItem>
-                ))}
-              </SelectContent>
-            </Select>
-
-            {/* Type Filter */}
-            <Select onValueChange={(value) => 
-              handleFilterChange('types', value ? [value as 'gui' | 'cli'] : [])
-            }>
-              <SelectTrigger>
-                <SelectValue placeholder={t('packages.filters.type')} />
-              </SelectTrigger>
-              <SelectContent>
-                <SelectItem value="gui">{t('packages.filters.gui')}</SelectItem>
-                <SelectItem value="cli">{t('packages.filters.cli')}</SelectItem>
-              </SelectContent>
-            </Select>
-
-            {/* Repository Filter */}
-            <Select onValueChange={(value) => 
-              handleFilterChange('repositories', value ? [value as 'official' | 'third-party'] : [])
-            }>
-              <SelectTrigger>
-                <SelectValue placeholder={t('packages.filters.repository')} />
-              </SelectTrigger>
-              <SelectContent>
             {t('packages.description')}
           </CardDescription>
         </CardHeader>
@@ -230,10 +157,65 @@ export function PackageBrowser({
                     className="w-full pl-10 pr-4 py-2 border border-input rounded-md bg-background"
                     value={searchQuery}
                     onChange={(e) => setSearchQuery(e.target.value)}
+                  />
+                </div>
+
+                {/* Category Filter */}
+                <Select onValueChange={(value) => 
+                  handleFilterChange('categories', value ? [value] : [])
+                }>
+                  <SelectTrigger>
+                    <SelectValue placeholder={t('packages.filters.category')} />
+                  </SelectTrigger>
+                  <SelectContent>
+                    {categories.map((category: string) => (
+                      <SelectItem key={category} value={category}>
+                        {category}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+
+                {/* Type Filter */}
+                <Select onValueChange={(value) => 
+                  handleFilterChange('types', value ? [value as 'gui' | 'cli'] : [])
+                }>
+                  <SelectTrigger>
+                    <SelectValue placeholder={t('packages.filters.type')} />
+                  </SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="gui">{t('packages.filters.gui')}</SelectItem>
+                    <SelectItem value="cli">{t('packages.filters.cli')}</SelectItem>
+                  </SelectContent>
+                </Select>
+
+                {/* Repository Filter */}
+                <Select onValueChange={(value) => 
+                  handleFilterChange('repositories', value ? [value as 'official' | 'third-party'] : [])
+                }>
+                  <SelectTrigger>
+                    <SelectValue placeholder={t('packages.filters.repository')} />
+                  </SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="official">{t('packages.filters.official')}</SelectItem>
+                    <SelectItem value="third-party">{t('packages.filters.third_party')}</SelectItem>
+                  </SelectContent>
+                </Select>
+              </div>
+            </CardContent>
+          </Card>
+
+          {/* Package List */}
+          <div className="space-y-2 max-h-96 overflow-y-auto">
+            {filteredPackages.map(pkg => (
+              <div
+                key={pkg.id}
+                className={`p-3 border rounded-lg cursor-pointer transition-colors ${
                   isPackageSelected(pkg) 
                     ? 'border-primary bg-primary/5' 
                     : 'border-border hover:bg-secondary/50'
                 }`}
+                onClick={() => onPackageToggle(pkg)}
               >
                 <div className="flex items-start space-x-3">
                   <Checkbox
@@ -264,7 +246,7 @@ export function PackageBrowser({
                       )}
                     </div>
                     <div className="flex flex-wrap gap-1 mt-2">
-                      {pkg.tags.map(tag => (
+                      {(pkg.tags || []).map(tag => (
                         <span
                           key={tag}
                           className="text-xs bg-secondary text-secondary-foreground px-2 py-1 rounded"
@@ -284,8 +266,8 @@ export function PackageBrowser({
               </div>
             )}
           </div>
+        </div>
       </CardContent>
     </Card>
-    </div>
   )
 }

src/components/SupportModal.tsx

@@ -0,0 +1,226 @@
+"use client"
+
+import { useState } from 'react'
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
+import { useLocale } from '@/contexts/LocaleContext'
+import { Loader2, Heart, AlertCircle, CheckCircle } from 'lucide-react'
+
+interface SupportModalProps {
+  isOpen: boolean
+  onClose: () => void
+}
+
+interface PaymentData {
+  payment_url: string
+  payment_id: string
+}
+
+export function SupportModal({ isOpen, onClose }: SupportModalProps) {
+  const [amount, setAmount] = useState('')
+  const [currency, setCurrency] = useState('USDT')
+  const [email, setEmail] = useState('')
+  const [loading, setLoading] = useState(false)
+  const [payment, setPayment] = useState<PaymentData | null>(null)
+  const [error, setError] = useState('')
+  const { t } = useLocale()
+
+  const cryptoOptions = [
+    { value: 'USDT', label: 'USDT (TRC20)', network: 'TRC20' },
+    { value: 'USDC', label: 'USDC (TRC20)', network: 'TRC20' },
+    { value: 'BTC', label: 'Bitcoin', network: 'BTC' },
+    { value: 'ETH', label: 'Ethereum', network: 'ETH' },
+    { value: 'LTC', label: 'Litecoin', network: 'LTC' },
+    { value: 'TRX', label: 'TRON', network: 'TRC20' }
+  ]
+
+  const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault()
+    setLoading(true)
+    setError('')
+    setPayment(null)
+
+    try {
+      const response = await fetch('/api/support/create-payment', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          amount: parseFloat(amount),
+          currency,
+          order_id: `support_${Date.now()}`,
+          description: t('support.description'),
+          email: email || undefined
+        })
+      })
+
+      const data = await response.json()
+
+      if (!response.ok) {
+        throw new Error(data.error || 'Payment creation failed')
+      }
+
+      setPayment(data)
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Unknown error')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  const resetForm = () => {
+    setAmount('')
+    setCurrency('USDT')
+    setEmail('')
+    setPayment(null)
+    setError('')
+  }
+
+  const handleClose = (e?: React.MouseEvent<HTMLButtonElement>) => {
+    e?.preventDefault()
+    resetForm()
+    onClose()
+  }
+
+  if (!isOpen) return null
+
+  return (
+    <div className="fixed inset-0 bg-black/50 flex items-center justify-center p-4 z-50">
+      <Card className="w-full max-w-md">
+        <CardHeader>
+          <div className="flex items-center justify-between">
+            <div>
+              <CardTitle className="flex items-center space-x-2">
+                <Heart className="h-5 w-5 text-red-500" />
+                <span>{t('support.title')}</span>
+              </CardTitle>
+              <CardDescription>
+                {t('support.subtitle')}
+              </CardDescription>
+            </div>
+            <Button variant="outline" size="sm" onClick={handleClose}>
+              {t('common.close')}
+            </Button>
+          </div>
+        </CardHeader>
+        <CardContent className="space-y-4">
+          {!payment ? (
+            <form onSubmit={handleSubmit} className="space-y-4">
+              <div className="space-y-2">
+                <Label htmlFor="amount">{t('support.amount')}</Label>
+                <Input
+                  id="amount"
+                  type="number"
+                  step="0.01"
+                  min="1"
+                  placeholder="10.00"
+                  value={amount}
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => setAmount(e.target.value)}
+                  required
+                />
+              </div>
+
+              <div className="space-y-2">
+                <Label htmlFor="currency">{t('support.currency')}</Label>
+                <Select value={currency} onValueChange={setCurrency}>
+                  <SelectTrigger>
+                    <SelectValue />
+                  </SelectTrigger>
+                  <SelectContent>
+                    {cryptoOptions.map((option) => (
+                      <SelectItem key={option.value} value={option.value}>
+                        {option.label}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+              </div>
+
+              <div className="space-y-2">
+                <Label htmlFor="email">{t('support.email_optional')}</Label>
+                <Input
+                  id="email"
+                  type="email"
+                  placeholder="[email protected]"
+                  value={email}
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => setEmail(e.target.value)}
+                />
+              </div>
+
+              {error && (
+                <div className="flex items-center space-x-2 text-red-600 bg-red-50 p-3 rounded-lg">
+                  <AlertCircle className="h-4 w-4" />
+                  <span className="text-sm">{error}</span>
+                </div>
+              )}
+
+              <Button 
+                type="submit" 
+                className="w-full" 
+                disabled={loading || !amount}
+              >
+                {loading ? (
+                  <>
+                    <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                    {t('support.creating')}
+                  </>
+                ) : (
+                  t('support.create_payment')
+                )}
+              </Button>
+            </form>
+          ) : (
+            <div className="space-y-4">
+              <div className="flex items-center space-x-2 text-green-600 bg-green-50 p-3 rounded-lg">
+                <CheckCircle className="h-4 w-4" />
+                <span className="text-sm">{t('support.payment_created')}</span>
+              </div>
+
+              <div className="space-y-2">
+                <Label>{t('support.payment_id')}</Label>
+                <div className="p-2 bg-muted rounded font-mono text-sm">
+                  {payment.payment_id}
+                </div>
+              </div>
+
+              <div className="space-y-2">
+                <Label>{t('support.amount_to_pay')}</Label>
+                <div className="p-2 bg-muted rounded text-sm">
+                  {amount} {currency}
+                </div>
+              </div>
+
+              <Button 
+                onClick={() => window.open(payment.payment_url, '_blank')}
+                className="w-full"
+              >
+                {t('support.pay_now')}
+              </Button>
+
+              <div className="text-xs text-muted-foreground text-center">
+                {t('support.payment_note')}
+              </div>
+
+              <Button 
+                variant="outline" 
+                onClick={resetForm}
+                className="w-full"
+              >
+                {t('support.create_another')}
+              </Button>
+            </div>
+          )}
+
+          <div className="text-xs text-muted-foreground space-y-1">
+            <p>{t('support.secure_payment')}</p>
+            <p>{t('support.thank_you')}</p>
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  )
+}

src/components/ui/input.tsx

@@ -0,0 +1,25 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
+
+const Input = React.forwardRef<HTMLInputElement, InputProps>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }

src/components/ui/label.tsx

@@ -0,0 +1,24 @@
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const labelVariants = cva(
+  "text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+)
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> &
+    VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root
+    ref={ref}
+    className={cn(labelVariants(), className)}
+    {...props}
+  />
+))
+Label.displayName = LabelPrimitive.Root.displayName
+
+export { Label }

src/contexts/LocaleContext.tsx

@@ -81,6 +81,29 @@ const translations = {
         store_link_label: "Store link",
         direct_link_label: "Direct link"
       }
+    },
+    support: {
+      title: "Support Us",
+      subtitle: "Help keep RepoHub free and open source",
+      description: "Support RepoHub development",
+      amount: "Amount",
+      currency: "Cryptocurrency",
+      email_optional: "Email (optional)",
+      create_payment: "Create Payment",
+      creating: "Creating...",
+      payment_created: "Payment created successfully!",
+      payment_id: "Payment ID",
+      amount_to_pay: "Amount to Pay",
+      pay_now: "Pay Now",
+      payment_note: "You will be redirected to Cryptomus secure payment page",
+      create_another: "Create Another Payment",
+      secure_payment: "All payments are processed securely through Cryptomus",
+      thank_you: "Thank you for your support!",
+      success_title: "Thank You!",
+      success_message: "Your support helps us keep RepoHub free and continue development.",
+      success_note1: "Payment confirmation will be sent to your email if provided.",
+      success_note2: "You can close this page and return to RepoHub.",
+      back_to_site: "Back to RepoHub"
     }
   },
   tr: {
@@ -159,6 +182,29 @@ const translations = {
         store_link_label: "Mağaza bağlantısı",
         direct_link_label: "Doğrudan bağlantı"
       }
+    },
+    support: {
+      title: "Bizi Destekleyin",
+      subtitle: "RepoHub'ı ücretsiz ve açık kaynaklı tutmamıza yardım edin",
+      description: "RepoHub geliştirmesini destekleyin",
+      amount: "Tutar",
+      currency: "Kriptopara",
+      email_optional: "E-posta (isteğe bağlı)",
+      create_payment: "Ödeme Oluştur",
+      creating: "Oluşturuluyor...",
+      payment_created: "Ödeme başarıyla oluşturuldu!",
+      payment_id: "Ödeme ID",
+      amount_to_pay: "Ödenecek Tutar",
+      pay_now: "Şimdi Öde",
+      payment_note: "Cryptomus güvenli ödeme sayfasına yönlendirileceksiniz",
+      create_another: "Başka Ödeme Oluştur",
+      secure_payment: "Tüm ödemeler Cryptomus üzerinden güvenli bir şekilde işlenir",
+      thank_you: "Desteğiniz için teşekkürler!",
+      success_title: "Teşekkürler!",
+      success_message: "Desteğiniz RepoHub'ı ücretsiz tutmamıza ve geliştirmeye devam etmemize yardımcı olur.",
+      success_note1: "Ödeme onayı sağlandıysa e-postanıza gönderilecektir.",
+      success_note2: "Bu sayfayı kapatabilir ve RepoHub'a dönebilirsiniz.",
+      back_to_site: "RepoHub'a Geri Dön"
     }
   }
 }