.centered-form-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
    text-align: center;
    padding-top: 20px;
}

.terms-link {
    margin-left: 10px;
    color: blue;
    text-decoration: underline;
    cursor: pointer;
}

.social-login-form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 400px;
    gap: 20px;
    align-items: center;
}

.social-login-signup-button{
    min-width: 300px;
}

.delete-button {
    background-color: #1855b1;
    padding: 20px 100px;
    font-size: 18px;
    border-radius: 40px;
    cursor: pointer;
    border: none;
    color: rgb(255, 255, 255);
}

/* 회원가입 기본 스타일 */
.signup-form-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.signup-form-group label {
    font-size: 14px;
    font-weight: bold;
    margin-right: 10px;
    text-align: left;
}

.phone-number-fields {
    display: flex;
    gap: 5px;
    align-items: center;
}

.phone-area-code {
    width: 60px;
    background-color: #e9e9e9;
    border: none;
    text-align: center;
    padding: 10px;
    border-radius: 5px;
}

.phone-number-input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    width: 70px;
    text-align: center;
}

.signup-form-group input,
.signup-form-group select {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}

.signup-form-group input[type="checkbox"] {
    margin-left: 10px;
    width: 20px;
    height: 20px;
}

.birthdate-fields {
    display: flex;
    gap: 5px;
    align-items: center;
    justify-content: space-between;
}

.birthdate-fields select {
    width: 120px;
}

.signup-button {
    background-color: #1855b1;
    padding: 15px;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    color: white;
    width: 100%;
    transition: background-color 0.3s ease;
}

.signup-button:hover {
    background-color: #154a9a;
}

/* 반응형 스타일 (모바일: 화면폭 600px 이하) */
@media only screen and (max-width: 600px) {
    /* 전체 컨테이너 높이 및 여백 조정 */
    .centered-form-container {
         height: auto;
         padding: 10px 5px;
    }
    
    /* 내부 컨테이너 폭 조정 */
    .login-container {
         width: 100%;
         padding: 0 10px;
    }
    
    /* 각 폼 그룹을 세로 배치: 라벨 위, 입력 필드 아래 */
    .signup-form-group {
         flex-direction: column;
         align-items: flex-start;
         margin-bottom: 10px;
         width: 100%;
         text-align: left;
    }
    
    .signup-form-group label {
         margin-right: 0;
         margin-bottom: 5px;
         width: 100%;
         font-size: 14px;
    }
    
    .signup-form-group input,
    .signup-form-group select {
         width: 100%;
         font-size: 14px;
    }
    
    /* 전화번호 입력 필드: 줄바꿈 및 가운데 정렬 */
    .phone-number-fields {
         flex-wrap: wrap;
         justify-content: center;
    }
    
    .phone-area-code, 
    .phone-number-input {
         width: auto;
         flex: 1 1 auto;
         min-width: 60px;
         text-align: center;
         font-size: 14px;
         padding: 10px;
    }
    
    /* 생년월일 필드: 세로 정렬 */
    .birthdate-fields {
         flex-direction: column;
         align-items: flex-start;
         width: 100%;
         gap: 5px;
    }
    
    .birthdate-fields select {
         width: 100%;
    }
    
    /* 전체 폼을 가운데 정렬 */
    .centered-form-container,
    .login-container {
         text-align: center;
         align-items: center;
    }
    
    /* 필수 체크 요소 등은 중앙에 모이도록 */
    .signup-form-group {
         text-align: center;
         align-items: center;
    }
}