diff --git a/app/login/page.tsx b/app/login/page.tsx
new file mode 100644
index 0000000..66c3812
--- /dev/null
+++ b/app/login/page.tsx
@@ -0,0 +1,103 @@
+"use client"
+
+import { useState } from "react"
+import { useRouter } from "next/navigation"
+import Link from "next/link"
+import { supabase } from "@/lib/supabase"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
+import { AlertCircle, Loader2 } from "lucide-react"
+
+export default function LoginPage() {
+    const router = useRouter()
+    const [email, setEmail] = useState("")
+    const [password, setPassword] = useState("")
+    const [loading, setLoading] = useState(false)
+    const [error, setError] = useState<string | null>(null)
+
+    const handleLogin = async (e: React.FormEvent) => {
+        e.preventDefault()
+        setLoading(true)
+        setError(null)
+
+        try {
+            const { error } = await supabase.auth.signInWithPassword({
+                email,
+                password,
+            })
+
+            if (error) {
+                setError(error.message)
+                return
+            }
+
+            router.push("/")
+            router.refresh()
+        } catch (err: any) {
+            setError("Bir hata oluştu. Lütfen tekrar deneyin.")
+        } finally {
+            setLoading(false)
+        }
+    }
+
+    return (
+        <div className="flex items-center justify-center min-h-screen bg-slate-50 dark:bg-slate-950 px-4">
+            <Card className="w-full max-w-md">
+                <CardHeader className="space-y-1">
+                    <CardTitle className="text-2xl font-bold">Giriş Yap</CardTitle>
+                    <CardDescription>
+                        Hesabınıza erişmek için bilgilerinizi girin
+                    </CardDescription>
+                </CardHeader>
+                <CardContent>
+                    <form onSubmit={handleLogin} className="space-y-4">
+                        <div className="space-y-2">
+                            <Label htmlFor="email">Email</Label>
+                            <Input
+                                id="email"
+                                type="email"
+                                placeholder="ornek@sirket.com"
+                                value={email}
+                                onChange={(e) => setEmail(e.target.value)}
+                                required
+                            />
+                        </div>
+                        <div className="space-y-2">
+                            <Label htmlFor="password">Şifre</Label>
+                            <Input
+                                id="password"
+                                type="password"
+                                value={password}
+                                onChange={(e) => setPassword(e.target.value)}
+                                required
+                            />
+                        </div>
+                        {error && (
+                            <div className="flex items-center space-x-2 text-sm text-red-600 bg-red-50 p-3 rounded-md">
+                                <AlertCircle className="h-4 w-4" />
+                                <span>{error}</span>
+                            </div>
+                        )}
+                        <Button className="w-full" type="submit" disabled={loading}>
+                            {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+                            Giriş Yap
+                        </Button>
+                    </form>
+                </CardContent>
+                <CardFooter className="flex flex-col gap-4 text-center text-sm text-muted-foreground">
+                    <div className="text-center">
+                        Hesabınız yok mu?{" "}
+                        <Link href="/signup" className="underline underline-offset-4 hover:text-primary">
+                            Kayıt Ol
+                        </Link>
+                    </div>
+                    <Link href="/" className="underline underline-offset-4 hover:text-primary">
+                        Ana Sayfaya Dön
+                    </Link>
+                </CardFooter>
+            </Card>
+        </div>
+    )
+}
diff --git a/app/signup/page.tsx b/app/signup/page.tsx
new file mode 100644
index 0000000..40364e6
--- /dev/null
+++ b/app/signup/page.tsx
@@ -0,0 +1,133 @@
+"use client"
+
+import { useState } from "react"
+import { useRouter } from "next/navigation"
+import Link from "next/link"
+import { supabase } from "@/lib/supabase"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Label } from "@/components/ui/label"
+import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
+import { AlertCircle, Loader2, CheckCircle2 } from "lucide-react"
+
+export default function SignUpPage() {
+    const router = useRouter()
+    const [email, setEmail] = useState("")
+    const [password, setPassword] = useState("")
+    const [loading, setLoading] = useState(false)
+    const [error, setError] = useState<string | null>(null)
+    const [success, setSuccess] = useState(false)
+
+    const handleSignUp = async (e: React.FormEvent) => {
+        e.preventDefault()
+        setLoading(true)
+        setError(null)
+
+        try {
+            const { data, error } = await supabase.auth.signUp({
+                email,
+                password,
+                options: {
+                    emailRedirectTo: `${location.origin}/auth/callback`,
+                },
+            })
+
+            if (error) {
+                setError(error.message)
+                return
+            }
+
+            if (data.user) {
+                setSuccess(true)
+            }
+        } catch (err: any) {
+            setError("Bir hata oluştu. Lütfen tekrar deneyin.")
+        } finally {
+            setLoading(false)
+        }
+    }
+
+    if (success) {
+        return (
+            <div className="flex items-center justify-center min-h-screen bg-slate-50 dark:bg-slate-950 px-4">
+                <Card className="w-full max-w-md">
+                    <CardHeader className="space-y-1 text-center">
+                        <div className="flex justify-center mb-4">
+                            <CheckCircle2 className="h-12 w-12 text-green-500" />
+                        </div>
+                        <CardTitle className="text-2xl font-bold text-green-600">Başarılı!</CardTitle>
+                        <CardDescription className="text-base mt-2">
+                            Kayıt işleminiz başarıyla tamamlandı. Lütfen e-posta adresinizi kontrol ederek hesabınızı doğrulayın.
+                        </CardDescription>
+                    </CardHeader>
+                    <CardFooter className="flex justify-center pt-6">
+                        <Button asChild variant="outline">
+                            <Link href="/login">Giriş Yap</Link>
+                        </Button>
+                    </CardFooter>
+                </Card>
+            </div>
+        )
+    }
+
+    return (
+        <div className="flex items-center justify-center min-h-screen bg-slate-50 dark:bg-slate-950 px-4">
+            <Card className="w-full max-w-md">
+                <CardHeader className="space-y-1">
+                    <CardTitle className="text-2xl font-bold">Hesap Oluştur</CardTitle>
+                    <CardDescription>
+                        ParaKasa'ya katılmak için bilgilerinizi girin
+                    </CardDescription>
+                </CardHeader>
+                <CardContent>
+                    <form onSubmit={handleSignUp} className="space-y-4">
+                        <div className="space-y-2">
+                            <Label htmlFor="email">Email</Label>
+                            <Input
+                                id="email"
+                                type="email"
+                                placeholder="ornek@sirket.com"
+                                value={email}
+                                onChange={(e) => setEmail(e.target.value)}
+                                required
+                            />
+                        </div>
+                        <div className="space-y-2">
+                            <Label htmlFor="password">Şifre</Label>
+                            <Input
+                                id="password"
+                                type="password"
+                                value={password}
+                                onChange={(e) => setPassword(e.target.value)}
+                                required
+                                minLength={6}
+                            />
+                            <p className="text-xs text-muted-foreground">En az 6 karakter olmalıdır.</p>
+                        </div>
+                        {error && (
+                            <div className="flex items-center space-x-2 text-sm text-red-600 bg-red-50 p-3 rounded-md">
+                                <AlertCircle className="h-4 w-4" />
+                                <span>{error}</span>
+                            </div>
+                        )}
+                        <Button className="w-full" type="submit" disabled={loading}>
+                            {loading && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
+                            Kayıt Ol
+                        </Button>
+                    </form>
+                </CardContent>
+                <CardFooter className="flex flex-col gap-4 text-center text-sm text-muted-foreground">
+                    <div className="text-center">
+                        Zaten hesabınız var mı?{" "}
+                        <Link href="/login" className="underline underline-offset-4 hover:text-primary">
+                            Giriş Yap
+                        </Link>
+                    </div>
+                    <Link href="/" className="underline underline-offset-4 hover:text-primary">
+                        Ana Sayfaya Dön
+                    </Link>
+                </CardFooter>
+            </Card>
+        </div>
+    )
+}