diff --git a/app/(dashboard)/dashboard/users/actions.ts b/app/(dashboard)/dashboard/users/actions.ts
index 03bafca..a30a2d4 100644
--- a/app/(dashboard)/dashboard/users/actions.ts
+++ b/app/(dashboard)/dashboard/users/actions.ts
@@ -69,8 +69,8 @@ export async function deleteUser(userId: string) {
     // Check admin
     try {
         await assertAdmin()
-    } catch (error: any) {
-        return { error: error.message }
+    } catch (error) {
+        return { error: (error as Error).message }
     }
 
     // Delete user
@@ -87,8 +87,8 @@ export async function updateUser(userId: string, data: { firstName: string, last
     // Check admin
     try {
         await assertAdmin()
-    } catch (error: any) {
-        return { error: error.message }
+    } catch (error) {
+        return { error: (error as Error).message }
     }
 
     // 1. Update Profile (Role and Name)
diff --git a/app/(public)/signup/page.tsx b/app/(public)/signup/page.tsx
index 10646d1..86a6fe7 100644
--- a/app/(public)/signup/page.tsx
+++ b/app/(public)/signup/page.tsx
@@ -39,7 +39,7 @@ export default function SignUpPage() {
             if (data.user) {
                 setSuccess(true)
             }
-        } catch (err: any) {
+        } catch {
             setError("Bir hata oluştu. Lütfen tekrar deneyin.")
         } finally {
             setLoading(false)
diff --git a/components/dashboard/product-form.tsx b/components/dashboard/product-form.tsx
index 59b89b9..c079223 100644
--- a/components/dashboard/product-form.tsx
+++ b/components/dashboard/product-form.tsx
@@ -1,7 +1,7 @@
 "use client"
 
 import { useState } from "react"
-import { useForm } from "react-hook-form"
+import { useForm, type Resolver } from "react-hook-form"
 import { zodResolver } from "@hookform/resolvers/zod"
 import * as z from "zod"
 import { Button } from "@/components/ui/button"
@@ -59,7 +59,7 @@ export function ProductForm({ initialData }: ProductFormProps) {
     const [loading, setLoading] = useState(false)
 
     const form = useForm<ProductFormValues>({
-        resolver: zodResolver(productSchema) as any,
+        resolver: zodResolver(productSchema) as Resolver<ProductFormValues>,
         defaultValues: initialData ? {
             name: initialData.name,
             category: initialData.category,
diff --git a/components/dashboard/settings-tabs.tsx b/components/dashboard/settings-tabs.tsx
index a19d737..5afe841 100644
--- a/components/dashboard/settings-tabs.tsx
+++ b/components/dashboard/settings-tabs.tsx
@@ -1,14 +1,14 @@
 "use client"
 
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
-import { SiteSettingsForm } from "@/components/dashboard/site-settings-form"
+import { SiteSettingsForm, SettingsFormValues } from "@/components/dashboard/site-settings-form"
 import { SmsSettingsForm } from "@/components/dashboard/sms-settings-form"
 import { AppearanceForm } from "@/components/dashboard/appearance-form"
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
 import { Button } from "@/components/ui/button"
 
 interface SettingsTabsProps {
-    siteSettings: Record<string, any> | null
+    siteSettings: Partial<SettingsFormValues> | null
     smsSettings: {
         username: string
         header: string
diff --git a/components/dashboard/site-settings-form.tsx b/components/dashboard/site-settings-form.tsx
index 5f88a4e..7f4d8a5 100644
--- a/components/dashboard/site-settings-form.tsx
+++ b/components/dashboard/site-settings-form.tsx
@@ -30,10 +30,10 @@ const settingsSchema = z.object({
     currency: z.string(),
 })
 
-type SettingsFormValues = z.infer<typeof settingsSchema>
+export type SettingsFormValues = z.infer<typeof settingsSchema>
 
 interface SiteSettingsFormProps {
-    initialData: any
+    initialData: Partial<SettingsFormValues> | null
 }
 
 export function SiteSettingsForm({ initialData }: SiteSettingsFormProps) {
diff --git a/components/dashboard/sms-settings-form.tsx b/components/dashboard/sms-settings-form.tsx
index 34cdb84..5692c3e 100644
--- a/components/dashboard/sms-settings-form.tsx
+++ b/components/dashboard/sms-settings-form.tsx
@@ -15,9 +15,9 @@ import {
     FormLabel,
     FormMessage,
 } from "@/components/ui/form"
-import { Card, CardContent, CardDescription, CardHeader, CardTitle, CardFooter } from "@/components/ui/card"
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
 import { toast } from "sonner"
-import { Loader2, Smartphone, Send } from "lucide-react"
+import { Loader2, Send } from "lucide-react"
 import { updateSmsSettings, sendTestSms } from "@/lib/sms/actions"
 
 const smsSettingsSchema = z.object({
diff --git a/components/ui/phone-input.tsx b/components/ui/phone-input.tsx
index cb3f7f7..b6ff76d 100644
--- a/components/ui/phone-input.tsx
+++ b/components/ui/phone-input.tsx
@@ -6,6 +6,7 @@ export interface PhoneInputProps extends React.ComponentProps<typeof PhoneInput>
     className?: string
 }
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 const PhoneInputComponent = React.forwardRef<any, PhoneInputProps>(({ className, ...props }, ref) => {
     return (
         <PhoneInput
@@ -14,6 +15,7 @@ const PhoneInputComponent = React.forwardRef<any, PhoneInputProps>(({ className,
             numberInputProps={{
                 className: "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",
             }}
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any
             {...(props as any)}
         />
     )
diff --git a/lib/sms/actions.ts b/lib/sms/actions.ts
index b71c6fd..98ed9fd 100644
--- a/lib/sms/actions.ts
+++ b/lib/sms/actions.ts
@@ -58,7 +58,12 @@ export async function updateSmsSettings(data: {
         // Check if exists
         const { data: existing } = await supabaseAdmin.from('sms_settings').select('id').single()
 
-        const updates: any = {
+        const updates: {
+            username: string
+            header: string
+            updated_at: string
+            password?: string
+        } = {
             username: data.username,
             header: data.header,
             updated_at: new Date().toISOString()