From 2d34d70948692fd02f561a77e0f84fcd83192be9 Mon Sep 17 00:00:00 2001
From: "jihoon87.lee" <d1d2r31@gmail.com>
Date: Thu, 5 Feb 2026 15:39:44 +0900
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app/auth/callback/route.ts
- 이메일 인증 완료 판별을 세션 생성 시간 기준에서 쿼리 파라미터(auth_type=signup) 기반으로 변경
- 회원가입 인증인 경우 자동 로그인 세션 종료 후 로그인 페이지로 리다이렉트 처리

features/auth/actions.ts
- 회원가입 시 이메일 리다이렉트 URL에 auth_type=signup 쿼리 파라미터 추가

app/forgot-password/page.tsx
- 배경 및 카드 아이콘의 Tailwind 클래스명 일부 수정(bg-gradient-to→bg-linear-to, radial-gradient var() 구문 정리)

app/login/page.tsx
- 배경 및 카드 아이콘의 Tailwind 클래스명 일부 정리 및 일관화

app/reset-password/page.tsx
- 배경 및 카드 아이콘의 Tailwind 클래스명 일부 정리 및 일관화

app/signup/page.tsx
- 배경 및 카드 아이콘의 Tailwind 클래스명 일부 정리 및 일관화

features/auth/components/reset-password-form.tsx
- 버튼 그라디언트 클래스명(bg-gradient-to-r→bg-linear-to-r) 수정
---
 app/auth/callback/route.ts                       | 16 +++++-----------
 app/forgot-password/page.tsx                     | 10 +++++-----
 app/login/page.tsx                               |  8 ++++----
 app/reset-password/page.tsx                      |  8 ++++----
 app/signup/page.tsx                              |  8 ++++----
 features/auth/actions.ts                         |  2 +-
 features/auth/components/reset-password-form.tsx |  2 +-
 7 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/app/auth/callback/route.ts b/app/auth/callback/route.ts
index 7873e82..a214264 100644
--- a/app/auth/callback/route.ts
+++ b/app/auth/callback/route.ts
@@ -65,20 +65,14 @@ export async function GET(request: NextRequest) {
       // code 교환으로 세션이 생성된 상태입니다.
       // ----------------------------------------------------------------------
 
-      const {
-        data: { user },
-      } = await supabase.auth.getUser();
-
-      // 회원가입 직후 인증 여부 확인 (생성된 지 1분 이내)
-      // 별도의 type 파라미터 없이 데이터 기반으로 판단합니다.
-      const isNewUser =
-        user &&
-        user.created_at &&
-        new Date(user.created_at).getTime() > Date.now() - 60 * 1000; // 1분 이내 생성
+      // 회원가입 인증 여부 확인 (쿼리 파라미터 기반)
+      // actions.ts의 signup 함수에서 emailRedirectTo에 auth_type=signup을 추가해서 보냅니다.
+      const authType = requestUrl.searchParams.get("auth_type");
+      const isSignupVerification = authType === "signup";
 
       // 회원가입 인증인 경우:
       // 이메일 인증만 완료하고, 자동 로그인된 세션은 종료시킨 뒤 로그인 페이지로 보냅니다.
-      if (isNewUser) {
+      if (isSignupVerification) {
         await supabase.auth.signOut();
         return NextResponse.redirect(
           `${origin}${AUTH_ROUTES.LOGIN}?message=${encodeURIComponent(
diff --git a/app/forgot-password/page.tsx b/app/forgot-password/page.tsx
index e439111..0c561f5 100644
--- a/app/forgot-password/page.tsx
+++ b/app/forgot-password/page.tsx
@@ -27,9 +27,9 @@ export default async function ForgotPasswordPage({
   const { message } = await searchParams;
 
   return (
-    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-gradient-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,_var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,_var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
+    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-linear-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
 
       <div className="absolute left-1/4 top-1/4 h-64 w-64 animate-pulse rounded-full bg-gray-300/20 blur-3xl dark:bg-gray-700/20" />
       <div className="absolute bottom-1/4 right-1/4 h-64 w-64 animate-pulse rounded-full bg-gray-400/20 blur-3xl delay-700 dark:bg-gray-600/20" />
@@ -39,7 +39,7 @@ export default async function ForgotPasswordPage({
 
         <Card className="border-white/20 bg-white/70 shadow-2xl backdrop-blur-xl dark:border-white/10 dark:bg-gray-900/70">
           <CardHeader className="space-y-3 text-center">
-            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-gradient-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
+            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-linear-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
               <span className="text-sm font-semibold">MAIL</span>
             </div>
             <CardTitle className="text-3xl font-bold tracking-tight">
@@ -72,7 +72,7 @@ export default async function ForgotPasswordPage({
 
               <Button
                 formAction={requestPasswordReset}
-                className="h-11 w-full bg-gradient-to-r from-gray-900 to-black font-semibold text-white shadow-lg transition-all 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-gray-900 to-black font-semibold text-white shadow-lg transition-all 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"
               >
                 재설정 링크 보내기
               </Button>
diff --git a/app/login/page.tsx b/app/login/page.tsx
index 691f0ba..2333e17 100644
--- a/app/login/page.tsx
+++ b/app/login/page.tsx
@@ -27,17 +27,17 @@ export default async function LoginPage({
   const { message } = await searchParams;
 
   return (
-    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-gradient-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
+    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-linear-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
       {/* ========== 배경 그라디언트 레이어 ========== */}
       {/* 웹 페이지 전체 배경을 그라디언트로 채웁니다 */}
       {/* 라이트 모드: 부드러운 그레이 톤 (gray → white → gray) */}
       {/* 다크 모드: 깊은 블랙 톤으로 고급스러운 느낌 */}
 
       {/* 추가 그라디언트 효과 1: 우상단에서 시작하는 원형 그라디언트 */}
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,_var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
 
       {/* 추가 그라디언트 효과 2: 좌하단에서 시작하는 원형 그라디언트 */}
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,_var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
 
       {/* ========== 애니메이션 블러 효과 ========== */}
       {/* 부드럽게 깜빡이는 원형 블러로 생동감 표현 */}
@@ -61,7 +61,7 @@ export default async function LoginPage({
           {/* ========== 카드 헤더 영역 ========== */}
           <CardHeader className="space-y-3 text-center">
             {/* 아이콘 배경: 그라디언트 원형 */}
-            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-gradient-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
+            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-linear-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
               <span className="text-4xl">👋</span>
             </div>
             {/* 페이지 제목 */}
diff --git a/app/reset-password/page.tsx b/app/reset-password/page.tsx
index 6f0ef00..511affb 100644
--- a/app/reset-password/page.tsx
+++ b/app/reset-password/page.tsx
@@ -39,9 +39,9 @@ export default async function ResetPasswordPage({
   const { message } = params;
 
   return (
-    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-gradient-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,_var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,_var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
+    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-linear-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
 
       <div className="absolute left-1/4 top-1/4 h-64 w-64 animate-pulse rounded-full bg-gray-300/20 blur-3xl dark:bg-gray-700/20" />
       <div className="absolute bottom-1/4 right-1/4 h-64 w-64 animate-pulse rounded-full bg-gray-400/20 blur-3xl delay-700 dark:bg-gray-600/20" />
@@ -51,7 +51,7 @@ export default async function ResetPasswordPage({
 
         <Card className="border-white/20 bg-white/70 shadow-2xl backdrop-blur-xl dark:border-white/10 dark:bg-gray-900/70">
           <CardHeader className="space-y-3 text-center">
-            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-gradient-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
+            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-linear-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
               <span className="text-sm font-semibold">PW</span>
             </div>
             <CardTitle className="text-3xl font-bold tracking-tight">
diff --git a/app/signup/page.tsx b/app/signup/page.tsx
index 803a118..ba588ac 100644
--- a/app/signup/page.tsx
+++ b/app/signup/page.tsx
@@ -17,10 +17,10 @@ export default async function SignupPage({
   const { message } = await searchParams;
 
   return (
-    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-gradient-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
+    <div className="relative flex min-h-screen items-center justify-center overflow-hidden bg-linear-to-br from-gray-50 via-white to-gray-100 px-4 py-12 dark:from-black dark:via-gray-950 dark:to-gray-900">
       {/* 배경 그라데이션 효과 */}
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,_var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
-      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,_var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_top_right,var(--tw-gradient-stops))] from-gray-200/30 via-gray-100/15 to-transparent dark:from-gray-800/30 dark:via-gray-900/20" />
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_bottom_left,var(--tw-gradient-stops))] from-gray-300/30 via-gray-200/15 to-transparent dark:from-gray-700/30 dark:via-gray-800/20" />
 
       {/* 애니메이션 블러 효과 */}
       <div className="absolute left-1/4 top-1/4 h-64 w-64 animate-pulse rounded-full bg-gray-300/20 blur-3xl dark:bg-gray-700/20" />
@@ -32,7 +32,7 @@ export default async function SignupPage({
 
         <Card className="border-white/20 bg-white/70 shadow-2xl backdrop-blur-xl dark:border-white/10 dark:bg-gray-900/70">
           <CardHeader className="space-y-3 text-center">
-            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-gradient-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
+            <div className="mx-auto mb-2 flex h-16 w-16 items-center justify-center rounded-2xl bg-linear-to-br from-gray-800 to-black shadow-lg dark:from-white dark:to-gray-200">
               <span className="text-4xl">🚀</span>
             </div>
             <CardTitle className="text-3xl font-bold tracking-tight">
diff --git a/features/auth/actions.ts b/features/auth/actions.ts
index a3947c3..3456e37 100644
--- a/features/auth/actions.ts
+++ b/features/auth/actions.ts
@@ -238,7 +238,7 @@ export async function signup(formData: FormData) {
       // 이메일 인증 완료 후 리다이렉트될 URL
       // 로컬 개발 환경: http://localhost:3001/auth/callback
       // 프로덕션: NEXT_PUBLIC_BASE_URL 환경 변수에 설정된 주소
-      emailRedirectTo: `${process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3001"}/auth/callback`,
+      emailRedirectTo: `${process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3001"}/auth/callback?auth_type=signup`,
     },
   });
 
diff --git a/features/auth/components/reset-password-form.tsx b/features/auth/components/reset-password-form.tsx
index 49783c7..d7ce1d4 100644
--- a/features/auth/components/reset-password-form.tsx
+++ b/features/auth/components/reset-password-form.tsx
@@ -128,7 +128,7 @@ export default function ResetPasswordForm() {
       <Button
         type="submit"
         disabled={isLoading}
-        className="h-11 w-full bg-gradient-to-r from-gray-900 to-black font-semibold text-white shadow-lg transition-all 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-gray-900 to-black font-semibold text-white shadow-lg transition-all 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"
       >
         {isLoading ? (
           <span className="flex items-center gap-2">