@charset "utf-8";
/* root */
:root{
    --header-height: 14rem;
    --lnb-height: 8rem;

    --leftMenu:26rem;
    --leftMenu-sm:5.8rem;

    --padding-content-wrap: 2.4rem 3.6rem;
}

/* layout */
.gnb div, .fnb, footer .footer_section1, footer .footer_section2, footer .flogo, .copyright, footer address, .location { position: relative; width: 100%; max-width: var(--max-width); margin: 0 auto }

html { overflow-y: scroll }
body { position:absolute; height:100%; top:0; right:0; bottom:0; left:0; background: var(--bg-body);}
body { -webkit-text-size-adjust:none }
body.outFrame { overflow:hidden }

#wrap { width: 100%; height: 100%;display: flex; flex-direction: column; position: relative;}

header { position:fixed; top:0; display:flex; flex-direction: column; align-items:center; width:100%; height:auto; background: var(--bg-head); z-index: 100;}
h1 {height:var(--lnb-height); display: flex; align-items: center; gap: var(--gap-md);}
h1 a, h1 a:hover {display: flex; width:auto;height:56px; align-items: center; color:var(--basic-color); gap:var(--gap-md);color: var(--text-invert); font-size: var(--fs-lg);}
h1 a {white-space: nowrap;}
h1 a .bg_logo{background:url("../images/common/h1_logo.png") no-repeat 0 50%; width:140px;height:56px; background-size: contain; font-size:0; border:0;}
h1 a .bg_logo:after{display: none;}
h1 a span{font-size: var(--fs-sm);font-weight: var(--fw-normal);border: 1px solid var(--color-white);padding: var(--padding-sm) var(--padding-lg);border-radius: var(--radius-sm);display: flex;align-items: center;gap: var(--gap-md);}

/* .header_gnb{ width:100%;}
.header_gnb .link{height: 100%; background: #333333}
.header_gnb .link > ul{display: flex; flex-direction: row; align-items: center; gap: 1px;     justify-content: flex-end;}
.header_gnb .link a{display: block; margin: auto; padding: 1rem 2rem; color: #fff;}
.header_gnb .link li:nth-child(n) a{background: #000000;}
.header_gnb .link li:nth-child(1) a{background: #1D1060;}
.header_gnb .link li:nth-child(2) a{min-width:140px; text-align: center;}
.header_gnb .link .application {position: absolute; z-index: 10; min-width:140px; right:0; background:var(--gc-white); display: none; box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);}
.header_gnb .link .application li {border-bottom:1px solid var(--border);}
.header_gnb .link .application a{background:var(--gc-white) !important; min-height: 80px; display: flex; align-items: center;} */

.header_wrap { width:100%; height:var(--lnb-height); margin:0 auto; display:flex; text-align:center; align-items: center; flex-direction: row; position: relative; padding: 0 3rem; justify-content: space-between; gap: 2rem; /* transition: all .5s; */}
.header_wrap:before{content:''; width:calc(100%/2); height: calc(100% - var(--lnb-height)); background: var(--bg-color); left:0; top:var(--lnb-height); position:absolute;}
/* .header_wrap:hover:after{content:''; position: absolute; width: 100%; height: 1px; background: var(--border); top:var(--lnb-height); left:0;} */

.header_wrap .util {width: auto; display:flex; align-items: center; gap:var(--gap-md);}
.header_wrap .util .login_expired {display: -webkit-box;display: -ms-flexbox;width: auto;display: flex;-webkit-box-align: center;-ms-flex-align: center;align-items: center;-webkit-box-pack: justify;-ms-flex-pack: justify;justify-content: space-between;height: 46px;padding: 2px 2px 2px 12px;border-radius: var(--radius-full);border: solid 1px var(--border);background-color: var(--color-white);font-size:var(--fs-sm);white-space: nowrap;gap: 4px; min-width: 142px;}
.header_wrap .util button {border-radius: var(--radius-full);width:46px;height: 46px;border: 0px solid var(--border);background: transparent;color: var(--text-invert);position: relative;display: flex;flex-direction: column;font-size: 12px;}
.header_wrap .util button:before{margin:0;}
.header_wrap .util button.btn_extend {width: 40px;height: 40px;border-radius: var(--radius-full);color:var(--text-invert);background: var(--color-primary);font-size: 24px;}
.btn_alarm .badge {display: none;}
.btn_alarm.on .badge {display: block; position: absolute; top: 2px; right: 6px; width: 8px; height: 8px; min-width: 8px; max-width: 8px; background-color: var(--system-color-red); border-radius: 50%; font-size: 0; line-height: 0; border: 2px solid #fff; box-sizing: content-box; padding: 0;}

.header_wrap .lnb {height: 100%; overflow: hidden;}
.header_wrap .lnb #mobile_menu_btn{ position: relative; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 4px; background-color: #121927; border: none;}
.header_wrap .lnb ul{gap:5rem;}

/* 가로 스크롤 컨테이너 */
.lnb_scroll{
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch; /* iOS 부드럽게 */
    scrollbar-gutter: stable; /* 스크롤바로 레이아웃 흔들림 방지(지원 브라우저) */
}

/* Firefox */
.lnb_scroll{
    scrollbar-width: none;                 /* auto | thin | none */
    scrollbar-color: #b6b6b6 transparent;  /* thumb / track */
    position: relative;
}

/* Chrome/Edge/Safari (WebKit) */
.lnb_scroll::-webkit-scrollbar{
    height: 6px;   /* ← 가로 스크롤바 두께 */
}
.lnb_scroll::-webkit-scrollbar-track{
    background: transparent;
}
.lnb_scroll::-webkit-scrollbar-thumb{
    background: rgba(0,0,0,.25);
    border-radius: 999px;
}
.lnb_scroll::-webkit-scrollbar-thumb:hover{
    background: rgba(0,0,0,.4);
}
.lnb_scroll::after{
    content:"";
    position:absolute;
    top:0;
    height: 100%;      /* 이 래퍼 높이만큼만 적용됨 */
    width:30px;
    pointer-events:none;
    z-index:10;
}
/* .lnb_scroll::after{
    right:0;
    background: linear-gradient(to left,
        var(--bg-head),
        rgba(144,19,11,0)
    )
}
.lnb_scroll:hover:after {
    background: linear-gradient(to left,
        var(--bg-head),
        rgba(144,19,11,0)
    );} */
@media screen and (max-width: 1024px) {
    .lnb_scroll:after{display: none;}
}

.header_nav { height: 100%;  display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;}
.header_nav li { height: 100%;}
.header_nav a,.lms_header_nav a { font-size: 18px; font-stretch: normal;  font-style: normal; letter-spacing: normal; text-align: left; text-decoration: none; -webkit-transition: color 0.2s; -o-transition: color 0.2s; transition: color 0.2s; height: 100%; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; cursor: pointer; border-bottom: 5px solid transparent; padding:var(--padding-md); color: var(--text-invert);}
.header_nav a:hover,.lms_header_nav a:hover { color: var(--color-primary); border-bottom: 0px solid var(--color-primary); background: var(--color-white);}

.sub_nav { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; /* width: 172px; */ height: 45px; padding: 13px 20px 12px; border-radius: 22.5px; border: solid 1px var(--color-gray-500); background-color: var(--color-white); gap: 20px;}
.leftFavorite {margin-top: -78px; position: relative;}
.side_menu_favorite[data-expanded="false"] .side_menu_favorite_list { display: none; }
.side_menu_favorite[data-expanded="true"] .side_menu_favorite_list { display: -webkit-box; display: -ms-flexbox; display: flex;}
.side_menu_favorite[data-expanded="true"] .side_menu_favorite_item_container {row-gap: 10px; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column;}
.side_menu_favorite { width: 100%; max-height: 100%; min-height: 43px; margin-bottom: 10px; border-radius: 6px; background-color: transparent; cursor: pointer; padding: 12px 0; gap: 9px; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; flex-direction: column;}
.side_menu_favorite_wrap {display: flex;gap: 20px;border-radius: var(--radius-full);border: 1px solid var(--border);padding: var(--padding-md) var(--padding-xl);background: var(--color-white);}
.side_menu_favorite_list { width: 100%; padding: 0 18px; margin-bottom: 0; row-gap: 8px; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column;}
.side_menu_favorite_item { width: 100%; padding: 10px 14px; border-radius: 5px; background-color: #dce6ff; font-size: 16px; color: var(--text-black); display: -ms-grid; display: grid; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -ms-grid-columns: 1fr auto; grid-template-columns: 1fr auto;}
.side_menu_favorite_desc { font-size: 13px; letter-spacing: -0.2px;}
.sub_nav_item { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; gap: 6.3px;}
.sub_nav_item span { font-size: 17px; font-stretch: normal; font-style: normal; line-height: normal; letter-spacing: normal; text-align: left; color: #111; white-space: nowrap;}
.sub_menu { display: -webkit-box; display: -ms-flexbox; display: flex; opacity: 0; position: absolute; top: 100%; left: 0; width: 100%; height: 374px; background: var(--color-white); border-top: 1px solid var(--border); padding: 25px 57px 44px 112px; border-radius: 0 0 20px 20px; -webkit-box-shadow: 0 3px 3px 0 rgba(0, 0, 0, 0.37); box-shadow: 0 3px 3px 0 rgba(0, 0, 0, 0.37); -webkit-transition: 0.6s; -o-transition: 0.6s; transition: 0.6s; z-index: -1; display: none;}
.sub_menu.active { opacity: 1; -webkit-transition: 0.6s; -o-transition: 0.6s; transition: 0.6s; z-index: 10; display: flex;}
.sub_menu_content { position: absolute; display: -webkit-box; display: -ms-flexbox; display: flex; opacity: 0; width: 91%; /* gap: 67px; */ -webkit-transition: 0.6s; -o-transition: 0.6s; transition: 0.6s; z-index: -1; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;}
.sub_menu_content.active { opacity: 1; -webkit-transition: 0.6s; -o-transition: 0.6s; transition: 0.6s; z-index: 100;}
.sub_menu_wrap { position: relative; display: -webkit-box; display: -ms-flexbox; display: flex; gap: 67px; width: 100%;}
.sub_menu_title_wrap { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; gap: 8px; margin-top: 16px; font-weight: var(--fw-semibold);}
.sub_menu_title { font-size: 31px; font-family: Pretendard_bold; font-stretch: normal; font-style: normal; line-height: 37px; letter-spacing: normal; text-align: left; color: var(--text-black);}
.sub_menu_description { font-size: 16px; font-family: Pretendard_regular; font-stretch: normal; font-style: normal; line-height: 19px; letter-spacing: normal; text-align: left; color: #858585;}
.sub_menu_list { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 20px;}
.sub_menu_list_box { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; gap: 25px; min-width: 180px; /* max-width: 250px; */ height: 305px; /* min-height: 305px; */ padding: 27px 37px 27px 39px; border-radius: 15px; background-color: rgba(236, 242, 255, 0.8);}
.sub_menu_label { position: relative; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; font-size: 18px; font-family: Pretendard_bold; font-stretch: normal; font-style: normal; line-height: 1.17; letter-spacing: normal; text-align: left; color: var(--text-black);}
.sub_menu_label>span { position: absolute; width: 6px; height: 6px; left: -16px; border-radius: 50%; background-color: var(--text-black);}
.sub_menu_contents { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; gap: 17px;}
.sub_menu_item_group { display: -webkit-box; display: -ms-flexbox; display: flex;}
.sub_menu_item_group .sub_menu_item:first-child {  width: 120px;}
.sub_menu_item {
    position: relative;
    font-size: 16px;
    font-stretch: normal;
    font-style: normal;
    line-height: 19px;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    gap: 30px;
    cursor: pointer;
}

.sub_menu_item span {
    position: relative;
    display: inline-block;
}

.sub_menu_item span:hover {
    color: var(--color-primary);
}

.sub_menu_item span::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    height: 1px;
    background: var(--color-primary);
    -webkit-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: left;
    -ms-transform-origin: left;
    transform-origin: left;
    -webkit-transition: -webkit-transform 0.6s;
    transition: -webkit-transform 0.6s;
    -o-transition: transform 0.6s;
    transition: transform 0.6s;
    transition: transform 0.6s, -webkit-transform 0.6s;
}

/* hover 시 왼쪽에서 오른쪽으로 밑줄 생성 */
.sub_menu_item span:hover::after {
    -webkit-transform: scaleX(1);
    -ms-transform: scaleX(1);
    transform: scaleX(1);
}

.side_menu_toggle_btn {
    position: absolute;
    top: 15px;
    right: -26px;
    width: 26px;
    height: 50px;
    background-color: #121927;
    border: none;
    outline: none;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* 모바일 메뉴 */
.mobile_menu_wrap {
    position: flex;
    top: 0;
    right: 0;
    opacity: 0;
    display: none;
    justify-content: flex-end;
    transition: all 0.3s ease-in-out;
    z-index: -1;
    background-color: rgba(0, 0, 0, 0.35);
    width: 100vw;
    height: 100vh;
  }
  
 .mobile_menu_outer {
    display: flex;
    position: relative;
    width: 100%;
    height: 100%;
  }

  .mobile_menu_container {
    position: fixed;
    display: flex;
    top: 0;
    right: -330px;
    width: 330px;
    height: 100%;
    flex-direction: column;
    transition: right 0.3s ease-in-out;
    background-color: var(--color-white);
  }

  .mobile_menu_wrap.on .mobile_menu_container {
    right: 0;
    transition: right 0.3s ease-in-out;
  }

  .mobile_menu_header_content {
    display: flex;
    flex-direction:column;
    width: 100%;
    height: 127px;
    border-bottom: 1px solid var(--border);
  }

  .mobile_menu_home_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 120px;
    height: 100%;
    background-color: #e8f0fc;
  }

  .mobile_menu_home_btn>span {
    font-size: 15px;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black);
  }

.mobile_menu_header_top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.2rem 2rem 1.2rem 1rem;
}
  .mobile_menu_user_content {
    display: flex;
    align-items: center;
    padding: 0;
    gap: 10px;
    width: 210px;
    height: 100%;
  }

  .mobile_menu_user_info_box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 116px;
    height: 36px;
    padding: 9px 8px 9px 11px;
    border-radius: 3px;
    background-color:transparent;
  }

  .mobile_menu_user_info {
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .user_icon_wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: solid 1px var(--color-black);
  }

  .mobile_menu_user_info>span {
    font-size: 13px;
    font-family: Pretendard_semibold;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black);
  }
  
  .mobile_menu_header_actions{
  display:flex;
  align-items:center;
  gap:0.8rem;
  padding:0.8rem 2rem;
  border-top:1px solid var(--border);
  background: var(--bg-mobile-menu-home);
}

.mobile_menu_header_actions button{
  display:inline-flex;
  flex-direction: column;
  align-items:center;
  justify-content:center;
  width:100%;
  padding:0.4rem;
  border:1px solid var(--border);
  background: var(--color-white);
  border-radius: var(--radius-md);
  color: var(--text-black);
  gap: 2px;
}

.mobile_menu_header_actions button:before{margin:0;}

.mobile_menu_home_btn{
  gap:0.6rem;
  padding:0 1.2rem !important;
}

.mobile_menu_home_btn img{
  width:20px;
  height:20px;
}

  #mobile_menu_close_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 3px;
    background-color: #121927;
    border: none;
  }

  .mobile_menu_content {
    display: flex;
    width: 100%;
    height: calc(100% - 70px);
  }

  .mobile_menu_type_list,
  .mobile_menu_list {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
  }

  .mobile_menu_type_list {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 130px;
    height: 100%;
    padding: 24px 10px;
    background-color: var(--bg-mobile-menu);
    gap: 6px;
  }

  .mobile_menu_type_item {
    display: flex;
    width: 100%;
    height: auto;
    padding: 13px 12px 13px 12px;
    border-radius: 6px;
    background-color: var(--bg-mobile-menu);
    font-size: 15px;
    font-family: Pretendard_bold;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black);
  }

  .mobile_menu_type_item.active,
  .mobile_menu_type_item:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
  }

  .mobile_menu_list {
    display: flex;
    flex-direction: column;
    width: calc(100% - 130px);
    height: 100%;
    padding: 24px 20px 24px 8px;
    gap: 13px;
  }

  .mobile_menu_item_container {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }

  .mobile_menu_item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 9px 9px 13px;
    border-radius: 6px;
    font-size: 15px;
    font-family: Pretendard_bold;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black);
    filter: invert(1) brightness(0);
    border: none;
    text-decoration: none;
  }

  .mobile_menu_item:hover,
  .mobile_menu_item[aria-expanded="true"] {
    background-color: var(--color-primary);
    color: var(--color-white);
    filter: none;
  }

  .mobile_menu_item>img {
    transform: rotate(180deg);
    transition: all 0.35s ease;
  }

  .mobile_menu_item[aria-expanded="true"]>img {
    transform: rotate(0deg);
    transition: all 0.35s ease;
  }

  .mobile_menu_item[aria-expanded="false"]>img {
    transform: rotate(180deg);
    transition: all 0.35s ease;
  }

  .mobile_menu_item_inner {
    display: flex;
    align-items: center;
    gap: 5px;
  }

  .mobile_sub_menu_list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 100%;
    padding: 18px;
    border-radius: 6px;
    background-color: var(--bg-mobile-menu);
  }

  .mobile_sub_menu_list>a {
    font-size: 14px;
    font-stretch: normal;
    font-style: normal;
    letter-spacing: normal;
    text-align: left;
    color: var(--text-black) !important;
  }
  .collapse:not(.show){display: none;}

/* ========================================================================*/

.leftNav[data-expanded="true"] {width:var(--leftMenu); min-width: var(--leftMenu);}
.leftNav[data-expanded="false"] { width:0; padding:28px 4px; background: var(--color-primary);}
.leftNav[data-expanded="false"] h2, .leftNav[data-expanded="false"] .leftFavorite, .leftNav[data-expanded="false"] .menu_list, .leftNav[data-expanded="false"] #classRoomInfo  {display: none;}
.leftNav[data-expanded="false"] .side_menu_favorite[data-expanded="true"] { position: absolute; z-index:100; width:20rem;}
.leftNav {position:sticky; top:var(--lnb-height); background: #F0F0F0; padding:28px 0 16px 16px; overflow: visible; z-index: 10; border-right: 1px solid var(--border);}

.leftNav h2 {position: relative;position: relative; padding: 25px 28px 47px;margin-bottom: 47px;border-radius: 8px;background-color: var(--color-primary);color: var(--text-invert);font-size: 2.3rem; margin-right: 16px;}
.leftFavorite { margin-right: 16px;}
.leftFavorite > a { display: flex; padding: 1.5rem 2rem; background: var(--point-color2) }
.leftNav .leftFavorite span, .leftNav .leftFavorite .list_favorite li a { color: #fff; font-size: 1.4rem; font-weight: 400 }
.leftNav .leftFavorite > a span { display: flex; align-items: center; font-size:1.8rem }
.leftNav .leftFavorite > a span:after { content: "\f526"; font-size: 2rem; margin: 0.2rem 0 0 0.5rem; opacity: 0.8 }
/* .dep1:after, .dep2:after, .dep3:after { content: "\e145" } */

.leftNav .leftFavorite .list_favorite { position: relative; background: var(--point-color2); padding: 0 1.5rem 1rem 1.5rem; display: none }
.leftNav .leftFavorite .list_favorite ul { padding: 0.8rem 1rem; border-radius: var(--box-border-radius-md); margin-bottom: 0.3rem; overflow: hidden; background: rgb(255 255 255 / 10%) }
.leftNav .leftFavorite .list_favorite li { display: flex; align-items: center; justify-content: space-between; padding: 2px 0; counter-increment: count-favorite }
.leftNav .leftFavorite .list_favorite li a { width: 100% }
.leftNav .leftFavorite .list_favorite li:not(.empty) a:before { display: inline-flex; align-items: center; justify-content: center; width: 1.8rem; height: 1.8rem; border-radius: 1.8rem; margin-right: 0.6rem; font-size: 1rem; line-height: 100%; background: var(--point-color4); content: counter(count-favorite) }
.leftNav .leftFavorite .list_favorite li a:hover { color: var(--point-color4) }
.leftNav .leftFavorite .list_favorite li.empty a { display: flex; align-items: center }
.leftNav .leftFavorite .list_favorite li.empty a:before { content: "\e88e"; margin-right: 0.5rem }
.leftNav .leftFavorite .list_favorite li.empty a:after { content: "\e89e"; margin-left: auto }
.leftNav .leftFavorite .list_favorite li i { display: flex; width: 2.4rem; height: 2.4rem; margin: 0; align-items: center; justify-content: center; border-radius: 0.5rem; color: rgba(255, 255, 255, 0.5); cursor: pointer }
.leftNav .leftFavorite .list_favorite li i.fa-times:hover { background: var(--gc-white); color: var(--point-color2) }
.leftNav .leftFavorite .list_favorite li.ui-sortable-helper:before { content: "\e8d5"; display: inline-flex; width: 1.8rem; margin-right:0.3rem; align-items: center; justify-content: center; color: #fff }

.nav_scroll {height: calc(100vh - 80px - 170px); overflow-y: auto; }
.leftNav .menu_list { display: flex; flex-direction: column; gap:10px; padding:1rem 1.6rem 2rem 0.2rem; }
.leftNav ul li.sub { position: relative; }
.leftNav ul li.sub:has(.down) {border-bottom: 1px solid var(--border);}
.leftNav ul li.sub[data-expanded="false"] + li.sub[data-expanded="true"] {border-top: 1px solid var(--border);}
.leftNav ul li.sub .down {padding: 0.2rem;flex-direction: column;margin-left: 0px;gap: 0;/* background: #eff2f8; */border-radius: var(--radius-md);}
.leftNav ul li.sub[data-expanded="false"] .down {display: none;}
.leftNav ul li.sub[data-expanded="true"] .down {display: flex; }
/* .leftNav ul li.sub[data-expanded="true"] .down:before {content:''; width:2px; height:calc(100% - 100px); background:#ffffff50; position:absolute; left:28px; top:80px} */
.leftNav ul li.sub[data-expanded="true"] .down > li[data-active="true"] a{ color:var(--bg-head); position: relative;}
.leftNav ul li.sub[data-expanded="true"] .down > li[data-active="true"]:before {background: var(--color-primary);}
.leftNav ul li.sub[data-expanded="true"] .down > li[data-active="true"]:after {position: absolute; right: 0; top:50%; transform: translateY(-50%); content: '';width: 8px;height: 8px;background: var(--bg-head); border-radius: var(--radius-full); display: flex;}
.leftNav ul a {color:var(--text-black);}
.leftNav ul a:hover {color: var(--color-primary);}

.leftNav  ul.menu_list > li > a > img{ filter: var(--filter); display: none;}
.leftNav  ul.menu_list > li.sub > a:after {position: absolute; right: 0; top:50%; transform: translateY(-50%);}
.leftNav  ul.menu_list > li.sub:has(.down) > a {display: flex;align-items: center;padding: 1rem 1.4rem;font-size: var(--fs-sm);font-weight: var(--fw-medium);position: relative;gap: var(--gap-md);border-radius: var(--radius-md);border: 0; cursor: pointer;}
.leftNav  ul.menu_list > li.sub:not(:has(.down))[data-active="true"] > a {color:var(--bg-head); position: relative;}
.leftNav  ul.menu_list > li.sub:not(:has(.down))[data-active="true"] > a:after {position: absolute; right: 0; top:50%; transform: translateY(-50%); content: '';width: 8px;height: 8px;background: var(--bg-head); border-radius: var(--radius-full); display: flex;}
.leftNav  ul.menu_list > li.sub[data-expanded="true"] > a:hover, .leftNav  ul.menu_list > li.sub[data-expanded="true"] > a:focus {box-shadow: none; color: var(--text-black);}
.leftNav  ul.menu_list > li.sub[data-expanded="true"] > a:focus {/* content: "\e316"; */}
/* .leftNav  ul.menu_list > li.sub[data-expanded="false"] > a {display: flex;align-items: center;padding: 1rem 1.4rem; color:var(--text-black); font-size: var(--fs-md); font-weight: var(--fw-medium);position: relative;gap: var(--gap-md); border-radius: var(--radius-md); border: 0px solid var(--color-primary); border:1px solid transparent} */
/* .leftNav  ul.menu_list > li.sub[data-expanded="false"] > a:after {content:"\e313";content: '';width: 8px;height: 8px;background: var(--color-point); border-radius: var(--radius-full);} */
.leftNav  ul.menu_list ul { display: none; padding: 0.5rem 0 1rem 0 }
.leftNav  ul.menu_list ul li.pageOn:before { content:"\f88b"; font-weight: 500; color: #bf0d0d; position: absolute; margin-top: 0.4rem; margin-left: -1rem }
.leftNav  ul.menu_list ul li > a, .leftNav  ul.menu_list > li.sub:not(:has(.down)) > a{padding: 1rem;display: block;border-radius: 1rem;position: relative;/* white-space: nowrap; */text-overflow: ellipsis;font-size: var(--fs-md);}
.leftNav  ul.menu_list ul li {position: relative;}
.leftNav  ul.menu_list ul li a:before {
    /* content: ''; */
    margin-left: -20px;
    position: absolute;
    background: var(--text-primary);
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    top: 50%;
    transform: translateY(-50%);
}

.leftNav .nav_scroll {
    overflow: auto;              /* 스크롤 동작은 가능 */
    -ms-overflow-style: none;    /* IE, Edge 구버전 */
    scrollbar-width: none;       /* Firefox */
}

.leftNav .nav_scroll::-webkit-scrollbar {
    display: none;               /* Chrome, Safari, Edge (WebKit/Blink) */
}

/* 풋터 */
.footer {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-evenly;
    width: 100%;
    height: 166px;
    background: #2d3036;
    color: var(--color-white);
    padding: 5rem 2rem;
}
.footer_wrap {
    display: flex;
    max-width: var(--max-width);
    width: 100%;
    justify-content: space-between;
    padding: 0 2rem;
}
.footer_info_wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: flex-start;
    gap: 10px;
    flex-direction: column;
}
.footer_info {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    font-size: 14px;
}
.footer .logo {font-size: var(--fs-md);}

.footer_info_item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 12px;
    white-space: nowrap;
}

.footer_info_item li:after{content:'|'; color:var(--border-dp); margin-left:1.2rem }
.footer_info_item li:last-child:after {display:none}

.footer_info_item span {
    color: rgba(255, 255, 255, 0.5);
}

.footer_link_wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 73px;
}

.footer_link_wrap .fnb ul{
    display: flex;
    flex-direction: row;
}

.footer_link_wrap .fnb ul > li {min-width: 12rem}
.footer_link_wrap .fnb ul ul {
    display: flex;
    flex-direction: column;
    font-size: var(--fs-sm);
}
.footer_link_wrap .fnb ul ul>li:before {content: '- ';}

.footer_link_wrap select {
    width: 233px;
    background: var(--color-black);
    border: 1px solid var(--gray-600);
    color: var(--text-invert);
}

.footer_social_group {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 15px;
}

.footer_social_item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.13);
}

/* 본문 내 레이아웃 */
#container {flex-grow: 1; background: var(--bg-body); padding-top:var(--lnb-height);}
#content {display: flex; height: 100%;}

.content_wrap{display: flex; flex-direction: column; flex-grow: 1; width: calc(100% - 26rem); padding: var(--padding-content-wrap); gap:var(--gap-xl);}
.pageTitle {background: #f0f0f0; border-radius: var(--radius-md); display: flex;  padding: var(--padding-lg); align-items: center; margin-bottom: var(--margin-xl);}
.pageTitle.pageTitle_classroom {display: flex; justify-content: space-between; padding-bottom:var(--padding-xl); background: transparent; padding: 0;}
.pageTitle .breadcrumb ul{display: flex;}
.pageTitle .breadcrumb ul li:after{ content: '\e315'; margin-left:var(--margin-sm);}
.pageTitle .breadcrumb ul li:last-child {font-weight: var(--fw-bold);}
.pageTitle .breadcrumb ul li:last-child:after {display:none}
.pageTitle .btn_etc {display: flex; gap:var(--gap-md); align-items: center; font-size: var(--fs-sm); margin-left: auto;}

.btn_ghost {display: inline-flex; border:1px solid var(--border); padding:var(--padding-sm) var(--padding-md); background: var(--color-white); border-radius: var(--radius-sm); font-size: var(--fs-sm);}
.btn_ghost span{display: flex;}

/* 메인화면 */
.main .content_wrap{padding:0;}

/* ---------------------- */
/* Mobile: < 560px     */
/* ---------------------- */
@media screen and (max-width: 560px) {
    /* h1 a .bg_logo {width: 40px; background-size: auto 80%;} */
}

/* ---------------------- */
/* Mobile: < 767px     */
/* ---------------------- */
@media screen and (max-width: 767px) {
    :root {
        --padding-content-wrap:1.2rem;
    }
    .mobile_menu_wrap, .header_wrap .util, .leftNav {
        display: none;
    }

    .header_wrap {--lnb-height: 6rem; padding:12px 20px;}
    .header_wrap .lnb ul {gap:6px;}
    .mobile_menu_wrap.on {display: flex;}
    
    .footer {height: auto; padding: 3rem 1rem;}
    .footer_wrap {flex-direction: column;}
    .footer_link_wrap {margin-top: var(--gap-xl);}
    .footer_info_item {flex-direction: column;align-items: center;white-space: normal;text-align: center;gap: 0;}
    .footer_info_item li:after {display: none;}
    .footer_social_group {flex-direction: row; flex-wrap: wrap; justify-content: center;}
}

/* ---------------------- */
/* Tablet: 768px ~ 1024px */
/* ---------------------- */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    :root {
        --lnb-height: 6rem;
        --padding-content-wrap: 2rem;
    }
    .mobile_menu_wrap, .header_wrap .util, .leftNav {
        display: none;
    }
    .header_wrap {--lnb-height: 6rem; padding:12px 20px;}
    .header_wrap .lnb ul {gap:6px;}
    .mobile_menu_wrap.on {display: flex;}
}

/* ---------------------- */
/* Wide PC: 1921px ~     */
/* ---------------------- */
@media screen and (min-width: 1921px) {
    .intro_wrap {
        width: 100%;
        height: 100%;
    }

    .leftNav {
        /*  height: calc(100vh - var(--lnb-height)); */
    }

    .sub_menu {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
    }

    .sub_menu_content {
        max-width: 1920px;
        margin: 0 auto;
    }

    .side_menu_wrap[data-expanded="false"] .side_sub_menu_list,
    .side_menu_item_container[data-expanded="false"] > .side_sub_menu_list {
        display: none;
        height: 0;
    }
}

@media screen and (max-width: 1024px) {
    .mobile_menu_wrap.on {
        opacity: 1;
        z-index: 11;
        transition: all 0.3s ease-in-out;
    }
    .mobile_menu_header_actions { position:relative; }
    .alarm_popup { position:fixed; top:7rem; right:1rem; left:auto; width:fit-content; min-width:20rem; max-width:calc(100% - 2rem); z-index:100001; border-radius:var(--radius-md); box-shadow:0 4px 12px rgba(0,0,0,0.15); }
}

/* 설정 팝업 */
.settings_popup {display:none;position: fixed;top: 7.2rem; right: 1rem;z-index: 10000;min-width: 16rem; max-width: 24rem; border: 1px solid var(--border-dp);border-radius: var(--radius-md);background: var(--color-white);box-shadow: 0 0 6px rgba(0, 0, 0, 0.05);}
.settings_popup > ul > li { display: flex; align-items: center; padding: 1rem 1.5rem 1rem 1rem; border-bottom: 0.1rem solid #DDD; text-align: left; flex-direction: row; flex-wrap: wrap;}
.settings_popup > ul > li:last-child { border-bottom: 0 }
.settings_popup > ul > li:before { font-weight: 700; margin-right: 1rem; font-size: 2rem }
.settings_popup > ul > li.set_font:before { content: "\e245"; margin-right: 0 }
.settings_popup > ul > li.set_color:before { content: "\e23a" }
.settings_popup > ul > li.set_main:before { content: "\f02e" }
.settings_popup > ul > li.guide:before { content: "\f04c" }
.settings_popup > ul > li.change_lang:before { content: "\e894" }
.settings_popup > ul > li.change_pw:before { content: "\e73c" }
.settings_popup > ul > li.my_page:before { content: "\e7fd" }
.settings_popup > ul > li.logout:before { content: "\e9ba" }
.settings_popup > ul > li.change_lang .chk_list {margin-left: 2.8rem;width: 100%;margin-top: 1rem;}
.settings_popup > ul > li.change_lang .chk_list input[type="radio"] + label::before {width:20px; height: 20px; font-size: 20px;}

/* 알람 팝업 */
.alarm_popup {display:none; position: absolute;top: 7.2rem; right: 1rem;z-index: 10000;min-width: 24rem; max-width: 34rem; max-height:60rem; overflow-y:auto; border: 1px solid var(--border-dp);border-radius: var(--radius-md);background: var(--color-white);box-shadow: 0 0 6px rgba(0, 0, 0, 0.05);}
.alarm_popup *::-webkit-scrollbar { width:14px; height:15px; }
.alarm_popup *::-webkit-scrollbar-thumb { background-color:rgba(0, 0, 0, 0.1); border-radius:100px; border:5px solid #fff }
.alarm_popup *::-webkit-scrollbar-track { background-color:rgba(0, 0, 0, 0.0); border-radius:100px}

/* 알람 팝업 내부 리스트 — settings_popup과 동일 레이아웃 */
.alarm_popup > ul > li { display:flex; align-items:center; padding:1rem 1.5rem 1rem 1rem; border-bottom:0.1rem solid #DDD; cursor:pointer; text-align:left; }
.alarm_popup > ul > li:last-child { border-bottom:0; }
.alarm_popup > ul > li:before { font-family:"Material Symbols Outlined"; font-weight:700; margin-right:1rem; font-size:2rem; flex-shrink:0; }
.alarm_popup > ul > li.alarm_message:before { content: "\e0be" }
.alarm_popup > ul > li.alarm_exam:before    { content: "\ef42" }
.alarm_popup > ul > li.alarm_report:before  { content: "\e873" }
.alarm_popup > ul > li.alarm_discuss:before { content: "\e0bf" }
.alarm_popup > ul > li.alarm_survey:before  { content: "\e801" }
.alarm_popup > ul > li.alarm_back:before    { content: "\e5c4" }
.alarm_popup .alarm_label { flex:1; min-width:0; }
.alarm_popup .alarm_sbjt { display:block; font-size:var(--fs-sm); color:var(--gray-500); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.alarm_popup .alarm_label_text { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; margin-top:0.2rem; }
.alarm_popup .alarm_cnt { margin-left:1.5rem; font-size:var(--fs-sm); color:var(--gray-500); white-space:nowrap; flex-shrink:0; }
.alarm_popup > ul > li.has_alarm .alarm_cnt { color:var(--system-color-red); font-weight:var(--fw-bold); }
.alarm_popup > ul > li.has_alarm:after { content:"\e315"; font-family:"Material Symbols Outlined"; font-weight:700; margin-left:0.5rem; color:var(--gray-400); font-size:2rem; flex-shrink:0; }
.alarm_popup > ul > li:not(.has_alarm):not(.alarm_back) { cursor:default; opacity:0.6; }
.alarm_popup > ul > li.alarm_back { cursor:pointer; font-weight:700; }
.alarm_popup > ul > li.alarm_back:hover { background:var(--gray-50); }
.alarm_popup .alarm_meta { display:block; font-size:1.3rem; color:var(--gray-400); margin-top:0.2rem; }