/* 기본 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
}

/* 색상 변수 */
:root {
    --choisun-red: #2a7fe0;
    --choisun-bg: #f5f5f5;
    --choisun-text: #555555;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
}

/* ================================================= */
/* 헤더 스타일 */
/* ================================================= */
.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .header-container {
        padding: 0 1.5rem;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.header-logo-section {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--choisun-red);
    text-decoration: none;
}

/* 데스크톱 네비게이션 */
.header-nav-desktop {
    display: none;
    flex: 1;
    align-items: center;
    justify-content: center;
    height: 100%;
}

@media (min-width: 914px) {
    .header-nav-desktop {
        display: flex;
    }
    
}

.main-nav-list {
    display: flex;
    list-style: none;
    height: 100%;
}

.main-nav-list li {
    margin: 0 1rem;
    height: 100%;
}

@media (min-width: 1024px) {
    .main-nav-list li {
        margin: 0 1.25rem;
    }
}

/* 메인 메뉴 링크 스타일 */
.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    color: var(--choisun-text);
    padding: 0 0.5rem;
    height: 100%;
    transition: color 0.2s ease;
    border-bottom: 3px solid transparent;
    text-decoration: none;
}

.nav-link:hover {
    color: #888;
    border-bottom-color: #888;
}

/* 사용자 메뉴 */
.header-user-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}


.student-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-signup {
    color: var(--choisun-text);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.user-link {
    color: var(--choisun-text);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.btn-signup:hover,
.user-link:hover {
    color: var(--choisun-red);
}

.divider {
    color: #d1d5db;
}

.user-name {
    font-weight: 500;
    color: #666;
    padding: 8px 12px;
    border-radius: 4px;
    border: 0.5px solid #e4e4e4;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.1);
    background-color: #f5f5f5;
}

.btn-admin,
.btn-logout {
    background-color: var(--choisun-red);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    text-decoration: none;
    transition: background-color 0.2s ease;
}


.btn-admin:hover,
.btn-logout:hover {
    background-color: #2a7fe0;
}

/* 입학테스트 버튼 */
.admission-test-wrapper {
    position: relative;
    display: none;
}

@media (min-width: 768px) {
    .admission-test-wrapper {
        display: block;
    }
}

@media (max-width: 767px) {
    .user-menu .divider{
        display: none;
    }
    .btn-signup{
        display: none;
    }
    .user-link {
        display: none;
    }
    .btn-logout{
        display: none;
    }
     .btn-admin{
        display: none;
     }
}

.btn-admission-test {
    background-color: white;
    border: 1px solid #2a7fe0;
    color: #2a7fe0;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color 0.2s ease;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-admission-test:hover {
    border-radius: 0.75rem;
    background-color: #2a7fe0;
    color: white;
    border: 1px solid white;
}

.btn-admission-test i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.admission-test-wrapper.active .btn-admission-test i {
    transform: rotate(180deg);
}

/* 입학테스트 드롭다운 */
.admission-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: white;
    border: 1px solid var(--gray-200);
    border-radius: 0.375rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    min-width: 8rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 60;
}

.admission-test-wrapper.active .admission-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.admission-dropdown ul {
    list-style: none;
    padding: 0.5rem 0;
}

.admission-dropdown a {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--choisun-text);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.admission-dropdown a:hover {
    background-color: var(--gray-100);
    color: var(--choisun-red);
}

/* 모바일 메뉴 트리거 */
.mobile-menu-trigger-wrapper {
    display: flex;
    align-items: center;
}

@media (min-width: 768px) {
    .mobile-menu-trigger-wrapper {
        display: none;
    }
}

.mobile-menu-trigger {
    padding: 0.5rem;
    border: none;
    background: none;
    border-radius: 0.375rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-menu-trigger:hover {
    color: var(--choisun-red);
    background-color: var(--gray-100);
}

.mobile-menu-trigger i {
    font-size: 1.25rem;
}

/* ================================================= */
/* 드롭다운 메뉴 스타일 - 수정됨 */
/* ================================================= */
.nav-dropdown-area {
    display: none;
    position: absolute;
    width: 100%;
    top: 5rem;
    left: 0;
    background-color: white;
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

@media (min-width: 768px) {
    .nav-dropdown-area {
        display: block;
    }
}

.nav-dropdown-area.active {
    opacity: 1;
    visibility: visible;
}

.dropdown-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
    display: flex;
    gap: 2rem;
}

@media (min-width: 640px) {
    .dropdown-container {
        padding: 1.5rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .dropdown-container {
        padding: 2rem 2rem;
        gap: 3rem;
    }
}

.dropdown-column {
    text-align: left;
    flex: 1;
    min-width: 0;
}

.dropdown-col-1 {
    flex: 1;
}

.dropdown-col-2 {
    flex: 2;
}

.dropdown-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dropdown-column ul {
    list-style: none;
}

.dropdown-link {
    display: block;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--choisun-text);
    transition: color 0.2s ease, padding-left 0.2s ease;
    text-decoration: none;
}

.dropdown-link:hover {
    color: var(--choisun-red);
    padding-left: 0.5rem;
}

/* 교육과정 그리드 */
.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (max-width: 1023px) {
    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .curriculum-grid {
        grid-template-columns: 1fr;
    }
}

.curriculum-subtitle {
    font-weight: 600;
    color: var(--choisun-text);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

@media (max-width: 1023px) {
    .curriculum-subtitle {
        font-size: 0.9rem;
    }
}

.curriculum-list {
    list-style: none;
    font-size: 0.875rem;
}

@media (max-width: 1023px) {
    .curriculum-list {
        font-size: 0.8rem;
    }
}

.curriculum-list li {
    margin: 0.25rem 0;
}

.dropdown-link-small {
    display: block;
    padding: 0.125rem 0;
    color: var(--choisun-text);
    transition: color 0.2s ease;
    text-decoration: none;
}

.dropdown-link-small:hover {
    color: var(--choisun-red);
    font-weight: 500;
}

/* ================================================= */
/* 학생 목록 버튼 스타일 */
/* ================================================= */



.name-btn2,
.name-btn3 {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 0.25rem;
    border: 1px solid var(--gray-300);
    color: var(--choisun-text);
    transition: background-color 0.2s ease;
    text-decoration: none;
}

.name-btn2:hover,
.name-btn3:hover {
    background-color: var(--gray-100);
}

.name-sub-btn2 {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--choisun-text);
    transition: color 0.2s ease;
    text-decoration: none;
}

.name-sub-btn2:hover {
    color: var(--choisun-red);
}

/* ================================================= */
/* 모바일 메뉴 스타일 */
/* ================================================= */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 40;
    display: none;
}

.menu-overlay.active {
    display: block;
}

.menu {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 16rem;
    background-color: white;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 50;
    display: block;
}

@media (min-width: 768px) {
    .menu {
        display: none;
    }
}

.menu.active {
    transform: translateX(0%);
}

.mobile-menu-head {
    display: flex;
    height: 4rem;
    border-bottom: 1px solid var(--gray-200);
    align-items: center;
}

.mobile-menu-head.active {
    background-color: var(--choisun-bg);
}

.go-back {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    cursor: pointer;
}

.go-back i {
    color: var(--gray-600);
}

.current-menu-title {
    flex: 1;
    text-align: center;
    font-weight: 500;
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    cursor: pointer;
    font-size: 1.5rem;
}

.menu-main {
    overflow-y: auto;
    height: 100%;
    list-style: none;
}

.menu-item-has-children {
    border-bottom: 1px solid var(--gray-200);
}

.menu-link {
    display: flex;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    font-weight: 500;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-decoration: none;
}

.menu-link:hover {
    background-color: var(--gray-100);
}

.menu-link-user {
    background-color: var(--choisun-bg);
}

.menu-link-user:hover {
    background-color: var(--gray-200);
}

.menu-link i.fas.fa-chevron-right {
    font-size: 0.75rem;
}

.menu-link span i {
    margin-right: 0.5rem;
}

/* 서브메뉴 */
.sub-menu {
    position: fixed;
    inset: 0;
    background-color: white;
    z-index: 10;
    display: none;
    transform: translateX(100%);
}

.sub-menu.active {
    display: block;
}

.sub-menu-list {
    padding: 1rem;
    list-style: none;
}

.sub-menu-link {
    display: block;
    padding: 0.5rem 0;
    color: var(--choisun-text);
    transition: color 0.2s ease;
    text-decoration: none;
}

.sub-menu-link:hover {
    color: var(--choisun-red);
}

.sub-menu-user-name {
    display: block;
    padding: 0.5rem 0;
    font-weight: 500;
    color: #666;
    padding: 8px 6px;
    border-radius: 4px;
    border: 0.5px solid #e4e4e4;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.1);
    background-color: #f5f5f5;
    margin-bottom: 0.5rem;
}

.student-list-mobile {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 0.5rem;
}

.student-list-mobile a {
    margin: 0.5rem 0;
}

/* 교육과정 섹션 (모바일) */
.curriculum-section {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 0.5rem;
}

.curriculum-section:last-child {
    border-bottom: none;
}

.curriculum-section-title {
    font-weight: 600;
    color: var(--choisun-red);
}

.curriculum-section-list {
    padding-left: 1rem;
    padding-top: 0.25rem;
    font-size: 0.875rem;
    list-style: none;
}

.curriculum-section-list li {
    margin: 0.25rem 0;
}

/* ================================================= */
/* 모바일 메뉴 애니메이션 */
/* ================================================= */
@keyframes slideLeft {
    0% {
        opacity: 0;
        transform: translateX(100%);
    }
    100% {
        opacity: 1;
        transform: translateX(0%);
    }
}

@keyframes slideRight {
    0% {
        opacity: 1;
        transform: translateX(0%);
    }
    100% {
        opacity: 0;
        transform: translateX(100%);
    }
}

@keyframes slideInFromRight {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(0%);
    }
}

@keyframes slideOutToRight {
    0% {
        transform: translateX(0%);
    }
    100% {
        transform: translateX(100%);
    }
}