/* @media (max-width: 76.24em) {

  .md-nav--primary .md-nav__title {
    display: none !important;
  }

  .md-nav__item--back {
    display: none !important;
  }

  .md-nav__title[for^="__nav_"] {
    display: none !important;
  }

  .md-nav--primary .md-nav {
    position: static !important;
    transform: none !important;
  }

  .md-nav__toggle:not(:checked) ~ .md-nav {
    max-height: 0 !important;
    overflow: hidden !important;
  }

  .md-nav__toggle:checked ~ .md-nav {
    max-height: 1000px !important;
  }

  .md-nav__item--nested > .md-nav{
    display:none;
  }

  .md-nav__toggle:checked ~ .md-nav{
    display:block;
  }

  .md-nav--primary,
  .md-nav--primary .md-nav__link,
  .md-nav--primary .md-nav__title,
  .md-nav--primary .md-nav__item,
  .md-nav--primary .md-nav__list {
      font-size: 14px !important;
      line-height: 1.65 !important;
      color: #b4bac0 !important;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link,
  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
      font-weight: 600 !important;
      color: #f0f1f2 !important;
  }

 .md-nav__link {
    padding: 0.3rem 0.8rem !important;
    min-height: auto !important;
  }

  .md-nav__link,
  .md-nav__title {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }

  .md-nav__item {
    border: none !important;
  }

  .md-nav__list {
    border: none !important;
  }

  .md-nav__link:hover {
    background: transparent !important;
  }

  label[for="__toc"]{
    display:none !important;
  }

  .md-sidebar--secondary{
    display:none !important;
  }

  .md-nav__item--level-1 > .md-nav__list{
    border-left:none !important;
  }

  .md-nav__item--level-2 > .md-nav__list,
  .md-nav__item--level-3 > .md-nav__list{
    border-left:1px solid #444 !important;
  }

  .md-nav__item--level-1{
    margin:6px 0 !important;
  }

  .md-nav__item--level-2{
    margin:2px 0 !important;
  }

  .md-nav--secondary{
    display:none !important;
  }

  .md-nav__item--active .md-nav--secondary{
    display:none !important;
  }


} */


/* @media (max-width: 76.24em) {
  .md-nav--primary .md-nav {
    position: static !important;
    transform: none !important;
    background-color: transparent !important;
    display: block !important; 
    flex-direction: column !important;
  }

  .md-nav__item--back,
  .md-nav__title,
  .md-nav__title[for^="__nav_"] {
    display: none !important;
  }

  .md-nav__toggle:not(:checked) ~ .md-nav {
    display: none !important;
    max-height: 0 !important;
    overflow: hidden !important;
  }

  .md-nav__toggle:checked ~ .md-nav {
    display: block !important;
    max-height: none !important;
  }

  .md-sidebar--secondary,
  .md-nav--secondary,
  label[for="__toc"] {
      display: none !important;
  }
} */

@media (max-width: 76.24em) {
  /* 1. 드릴다운 및 모바일 전용 액티브 레이아웃 초기화 */
  .md-nav--primary .md-nav,
  .md-nav__item--active > .md-nav {
    position: static !important;
    transform: none !important;
    background-color: transparent !important;
    display: none; /* 기본 숨김, 아래 로직으로 필요한 것만 노출 */
  }

  /* 2. 선택된 항목의 세로 길어짐 및 제목 사라짐 방지 */
  /* 모바일 테마가 현재 페이지를 강조하려고 적용하는 불필요한 레이아웃 초기화 */
  .md-nav__item--active {
    display: block !important; 
  }

  .md-nav__link--active {
    display: flex !important; 
    color: #f0f1f2 !important; 
  }

  /* 3. 1단계 대제목 아래 리스트(Level 2) 무조건 노출 */
  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav {
    display: block !important;
    max-height: none !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  /* 4. 1단계 제목 설정 (클릭 차단) */
  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
    pointer-events: none !important; 
    cursor: default !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #f0f1f2 !important;
    margin-bottom: 5px !important;
    border: none !important;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link .md-nav__icon {
    display: none !important;
  }

  /* 5. 3단계 아코디언 동작 복구 및 세로선 설정 */
  /* Level 2 폴더 내부의 항목들 토글 */
  .md-nav__item .md-nav__item .md-nav__toggle:checked ~ .md-nav {
    display: block !important;
  }

  .md-nav__list .md-nav__list .md-nav__list {
    margin-left: 0.8rem !important;
    padding-left: 0.5rem !important;
    border-left: 1px solid #444 !important;
    transition: none !important; 
  }

  /* 6. 모든 테두리 및 구분선 완전 제거 */
  .md-nav__item, 
  .md-nav__link,
  .md-nav__list,
  .md-nav {
    border-top: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
  }

  /* 7. 2단계/3단계 링크 복구 */
  .md-nav__link {
    pointer-events: auto !important;
    cursor: pointer !important;
    padding: 0.4rem 0.8rem !important;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
  }

  .md-nav__link .md-nav__icon {
    transition: transform 0.2s ease !important;
  }

  .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon {
    transform: rotate(90deg) !important;
  }

  /* 8. 기타 불필요 모바일 요소 숨김 */
  .md-nav__item--back, 
  .md-nav__title, 
  .md-sidebar--secondary, 
  .md-nav--secondary,
  label[for="__toc"] {
    display: none !important;
  }
}


/* 2. 큰 화면 (PC 데스크탑) */
@media (min-width: 76.25em) {
  :is(h1, h2, h3, h4, h5, h6)::before {
    content: "";
    display: block;
    height: 20px; 
    margin-top: -20px; 
    visibility: hidden;
    pointer-events: none;
  }

  :is(h1, h2, h3, h4, h5, h6) {
    scroll-margin-top: 50px !important; 
  }

  .md-main__inner {
    margin-top: 0;
    min-width: 100%;
    max-width: 100%;
  }

  .md-content {
    display: flex !important;
    justify-content: flex-end;    
  }

  .md-content__inner {
    width: 680px;
    max-width: 100%;
    padding : 20px 
  }

  .md-content > nav, 
  .md-content .md-breadcrumbs {
    display: none !important;
  }

  .md-typeset img {
    max-width: 100%;
    height: auto;
  }

  .md-typeset .grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .md-sidebar--primary .md-nav__title {
    display: none !important;
  }

  /* .md-sidebar--secondary .md-nav__title {
      display: none !important;
  } */

  .md-sidebar--primary {
    width: 280px;
    height: calc(100vh - 60px) !important;
    border-right: 1px solid #333;
  }

  .md-sidebar--secondary {
    width: 600px !important;
    height: calc(100vh - 60px) !important;
  }

  .md-footer-meta {
    display: none !important;
  }


  .version-dropdown {
    margin-right: 14px;
  }

  .version-dropdown select {
    background: #1a1a1a;
    color: #fff;
    border: 1px solid #333;
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
  }


  /* 버전 드롭다운 스타일 커스텀 */
  .md-header__option {
    margin-left: 20px; /* 검색창과의 간격 */
    display: flex;
    align-items: center;
  }

  .md-select__inner {
    background: rgba(255, 255, 255, 0.1); /* 배경 살짝 밝게 */
    color: #fff;
    border: 1px solid #444;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    outline: none;
    cursor: pointer;
  }

  .md-select__inner option {
    background: #1a1a1a; /* 옵션 목록 배경색 */
    color: #fff;
  }

  .version-dropdown {
    margin-right: 14px;
  }

  .version-dropdown select {
    background: #1a1a1a;
    color: #fff;
    border: 1px solid #333;
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
  }


  /* 버전 드롭다운 스타일 커스텀 */
  .md-header__option {
    margin-left: 20px; /* 검색창과의 간격 */
    display: flex;
    align-items: center;
  }

  .md-select__inner {
    background: rgba(255, 255, 255, 0.1); /* 배경 살짝 밝게 */
    color: #fff;
    border: 1px solid #444;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    outline: none;
    cursor: pointer;
  }

  .md-select__inner option {
    background: #1a1a1a; /* 옵션 목록 배경색 */
    color: #fff;
  }

}