.checkbox-round {
    position: relative;
    cursor: pointer;
}

.checkbox-round label {
    background-color: #fff;
    border: 1px solid #6f7074;
    border-radius: 50%;
    cursor: pointer;
    height: 14px;
    left: 0;
    position: absolute;
    top: 3px;
    width: 14px;
}

.checkbox-round label:after {
    border: 1px solid #6f7074;
    border-top: none;
    border-right: none;
    content: "";
    height: 4px;
    left: 2px;
    opacity: 0;
    position: absolute;
    top: 3px;
    transform: rotate(-45deg);
    width: 8px;
}

.checkbox-round input[type="checkbox"] {
    visibility: hidden;
}

.checkbox-round input[type="checkbox"]:checked + label {
    background-color: white;
    border-color: #6f7074;
}

.checkbox-round input[type="checkbox"]:checked + label:after {
    opacity: 1;
}

form {
    border: 1px solid #e0e0e0;
}

button.btn.enabled {
    background-color: #007bff !important;
    color:#fff !important;
    font-weight: 600;
    cursor: pointer;
}

.login-tabs {
    display: flex;
    border: 1px solid #ddd; 
    margin-bottom: 0px;
    border-bottom: 0px;
}

button:focus{
    outline: none;
}

.login-tabs .tab-btn {
    flex: 1;
    padding: 12px;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    font-size: 14px;
}

.login-tabs .tab-btn.active {
    background: #fff;
    border-bottom: 2px solid #2a7cff;
    font-weight: bold;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    min-height: 395px;
    min-width: 360px;
}

.sso_login{
    background-color: #007bff; 
    color:#fff; 
    font-weight:600;
    width: 100%;
    padding: 16px 0;
    font-size: 20px;
    font-weight: 600;
    border-radius: 8px;
    margin-top: 40px;
    text-align: center;
}

.main-text{
    padding-top: 20px;
}

.AIEP_logo{
    padding-top: 30px;
    width: 200px;
}

.sso_login {
    margin-bottom: 10px;
}

.sso_sub_btn {
    display: block;
    width: 225px;
    margin: 20px auto 30px;
    padding: 7px 10px;
    line-height: 1.25;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    background: #1f6f8b;
    border: 2px solidrgb(24, 88, 126);
    border-radius: 7px;
    text-align: center;
    box-shadow: none;
}

.sso_sub_btn:hover {
    color: #fff;
    background: #185f78;
    text-decoration: none;
}

/* 회원가입 안내 모달 */
.signup-guide-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.55);
    align-items: center;
    justify-content: center;
}

.signup-guide-modal.show {
    display: flex;
}

.signup-guide-modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    padding: 28px 32px;
    border-radius: 6px;
    background: #fff;
    color: #222;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
    line-height: 1.7;
}

.signup-guide-modal-content h3 {
    margin: 0 0 22px;
    padding-right: 30px;
    font-size: 21px;
    font-weight: 700;
}

.signup-guide-description p {
    margin-bottom: 16px;
    font-size: 16px;
}

.signup-guide-description ul {
    margin: 0 0 20px;
    padding-left: 26px;
}

.signup-guide-description li {
    margin-bottom: 7px;
    font-size: 16px;
}

.signup-guide-sub-text {
    display: inline-block;
    margin-left: 4px;
}

.signup-guide-link-area {
    margin-top: 20px;
}

.signup-guide-link {
    color: #222;
    font-size: 16px;
    font-weight: 700;
    text-decoration: underline;
}

.signup-guide-link:hover {
    color: #007bff;
    text-decoration: underline;
}

.signup-guide-notice {
    margin-bottom: 0 !important;
    font-size: 15px !important;
}

.signup-guide-modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #777;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}

.signup-guide-modal-close:hover {
    color: #222;
}

/* 모바일 화면 대응 */
@media (max-width: 576px) {
    .signup-guide-modal {
        padding: 15px;
    }

    .signup-guide-modal-content {
        max-height: 90vh;
        padding: 24px 20px;
        overflow-y: auto;
    }

    .signup-guide-modal-content h3 {
        font-size: 19px;
    }

    .signup-guide-description p,
    .signup-guide-description li,
    .signup-guide-link {
        font-size: 14px;
    }
}