테마 적용

features/auth/components/signup-form.tsx

@@ -84,7 +84,7 @@ export default function SignupForm() {
           autoComplete="email"
           disabled={isLoading}
           {...register("email")}
-          className="h-11 transition-all duration-200"
+          className="h-11 transition-all duration-200 focus-visible:ring-brand-500"
         />
         {errors.email && (
           <p className="text-xs text-red-600 dark:text-red-400">
@@ -105,9 +105,9 @@ export default function SignupForm() {
           autoComplete="new-password"
           disabled={isLoading}
           {...register("password")}
-          className="h-11 transition-all duration-200"
+          className="h-11 transition-all duration-200 focus-visible:ring-brand-500"
         />
-        <p className="text-xs text-gray-500 dark:text-gray-400">
+        <p className="text-xs text-muted-foreground">
           최소 8자 이상, 대문자, 소문자, 숫자, 특수문자 포함
         </p>
         {errors.password && (
@@ -129,7 +129,7 @@ export default function SignupForm() {
           autoComplete="new-password"
           disabled={isLoading}
           {...register("confirmPassword")}
-          className="h-11 transition-all duration-200"
+          className="h-11 transition-all duration-200 focus-visible:ring-brand-500"
         />
         {/* 비밀번호 불일치 시 실시간 피드백 */}
         {confirmPassword &&
@@ -143,7 +143,7 @@ export default function SignupForm() {
         {confirmPassword &&
           password === confirmPassword &&
           !errors.confirmPassword && (
-            <p className="text-xs text-green-600 dark:text-green-400">
+            <p className="text-xs text-brand-600 dark:text-brand-400">
               비밀번호가 일치합니다 ✓
             </p>
           )}
@@ -159,7 +159,7 @@ export default function SignupForm() {
       <Button
         type="submit"
         disabled={isLoading}
-        className="h-11 w-full bg-gradient-to-r from-gray-900 to-black font-semibold shadow-lg transition-all duration-200 hover:from-black hover:to-gray-800 hover:shadow-xl dark:from-white dark:to-gray-100 dark:text-black dark:hover:from-gray-100 dark:hover:to-white"
+        className="h-11 w-full bg-linear-to-r from-brand-500 to-brand-700 font-semibold text-white shadow-lg shadow-brand-500/20 transition-all duration-200 hover:from-brand-600 hover:to-brand-800 hover:shadow-xl hover:shadow-brand-500/25"
       >
         {isLoading ? (
           <span className="flex items-center gap-2">