/* =========================================================
   AIALGO 사용자 헤더 v3
   - 핵심 메뉴와 유틸리티 메뉴 위계 분리
   - 드롭다운 가독성 강화
   - 모바일 메뉴 정리
   ========================================================= */

.user-header-v2,
.user-header-v2 * {
  box-sizing: border-box;
}

.user-header-v2 {
  position: sticky;
  top: 0;
  z-index: 1100;
  width: 100%;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #e7ecf3;
  box-shadow: 0 6px 26px rgba(15,23,42,.055);
  backdrop-filter: blur(16px);
}

.user-header-v2 .user-header-inner {
  width: min(1480px, 100%);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 30px;
}

/* ===== Brand ===== */
.user-brand {
  flex: 0 0 auto;
}

.user-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
}

.user-brand-mark {
  position: relative;
  width: 43px;
  height: 43px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 13px;
  background:
    radial-gradient(circle at 28% 24%, rgba(255,255,255,.46), transparent 25%),
    linear-gradient(135deg, #2563eb 0%, #3348cc 58%, #22339b 100%);
  box-shadow: 0 9px 22px rgba(37,99,235,.22);
}

.user-brand-mark::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
}

.user-brand-mark-ai {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.025em;
}

.user-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.user-brand-copy strong {
  color: #111827;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.user-brand-copy small {
  margin-top: 6px;
  color: #94a3b8;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .15em;
  white-space: nowrap;
}

/* ===== Navigation layout ===== */
.user-header-v2 .user-nav {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.user-header-v2 .nav-left,
.user-header-v2 .nav-right {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.user-header-v2 .nav-left {
  flex: 1;
  gap: 4px;
}

.user-header-v2 .nav-right {
  margin-left: auto;
}

.user-header-v2 .nav-left > li,
.user-header-v2 .nav-right > li {
  position: relative;
}

/* 핵심 서비스 */
.user-header-v2 .main-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  color: #24324a !important;
  font-size: 14px !important;
  font-weight: 850 !important;
  text-decoration: none;
  white-space: nowrap;
  transition: background .17s ease, color .17s ease, box-shadow .17s ease;
}

.user-header-v2 .main-menu:hover {
  background: #f4f7fb;
  color: #1d4ed8 !important;
}

.user-header-v2 .main-menu.active {
  background: #eef4ff;
  color: #1d4ed8 !important;
  box-shadow: inset 0 0 0 1px #dce8ff;
}

.user-header-v2 .main-menu.active::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: -17px;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: #2563eb;
}

/* 자료실/공지사항 */
.user-header-v2 .nav-utility-start {
  margin-left: 8px;
  padding-left: 12px;
}

.user-header-v2 .nav-utility-start::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: #e5eaf1;
}

.user-header-v2 .site-menu {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 9px;
  border-radius: 9px;
  color: #69758a;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
  transition: background .17s ease, color .17s ease;
}

.user-header-v2 .site-menu:hover,
.user-header-v2 .site-menu.active {
  background: #f7f9fc;
  color: #334155;
}

.menu-chevron {
  color: #9aa5b5;
  font-size: 11px;
  line-height: 1;
}

/* ===== Dropdown ===== */
.user-header-v2 .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 13px);
  left: 0;
  z-index: 1300;
  min-width: 276px;
  padding: 9px;
  margin: 0;
  list-style: none;
  border: 1px solid #e3e8ef;
  border-radius: 16px;
  background: rgba(255,255,255,.99);
  box-shadow: 0 18px 48px rgba(15,23,42,.14);
}

.user-header-v2 .has-submenu:hover > .sub-menu {
  display: block;
}

.user-header-v2 .sub-menu::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 22px;
  width: 11px;
  height: 11px;
  border-left: 1px solid #e3e8ef;
  border-top: 1px solid #e3e8ef;
  background: #fff;
  transform: rotate(45deg);
}

.user-header-v2 .sub-menu li + li {
  margin-top: 3px;
}

.user-header-v2 .sub-menu a {
  display: block;
  padding: 11px 12px;
  border-radius: 11px;
  text-decoration: none;
  transition: background .16s ease, transform .16s ease;
}

.user-header-v2 .sub-menu a:hover {
  background: #f5f8fc;
  transform: translateX(1px);
}

.submenu-title {
  display: block;
  color: #162033;
  font-size: 13.5px;
  font-weight: 850;
}

.submenu-desc {
  display: block;
  margin: 4px 0 0;
  color: #8b96a8;
  font-size: 11px;
  line-height: 1.4;
}

.submenu-desc.preparing {
  color: #b08a3d;
}

/* ===== Account ===== */
.user-header-v2 .btn-nav.secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid #cdd9ee;
  border-radius: 11px;
  background: #fff;
  color: #25406d;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(15,23,42,.035);
  transition: background .17s ease, color .17s ease, border-color .17s ease, transform .17s ease;
}

.user-header-v2 .btn-nav.secondary:hover {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  transform: translateY(-1px);
}

.account-icon {
  width: 7px;
  height: 7px;
  color: #2563eb;
  font-size: 7px;
}

.user-header-v2 .btn-nav.secondary:hover .account-icon {
  color: #fff;
}

.user-header-v2 .dropdown-menu {
  top: calc(100% + 10px);
  right: 0;
  min-width: 160px;
  padding: 8px;
  border: 1px solid #e4e9f0;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(15,23,42,.13);
}

.user-header-v2 .dropdown-menu li a {
  display: block;
  padding: 10px 11px;
  border-radius: 8px;
  color: #334155;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.user-header-v2 .dropdown-menu li a:hover {
  background: #f5f7fa;
}

/* ===== Mobile toggle ===== */
.user-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  border: 1px solid #dde4ed;
  border-radius: 11px;
  background: #fff;
  cursor: pointer;
}

.user-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: #475569;
}

.menu-overlay {
  display: none;
}

.menu-overlay.show {
  display: block;
  position: fixed;
  inset: 68px 0 0;
  z-index: 1090;
  background: rgba(15,23,42,.32);
  backdrop-filter: blur(2px);
}

body.menu-open {
  overflow: hidden;
}

/* ===== Responsive ===== */
@media (max-width: 1240px) {
  .user-header-v2 .user-header-inner {
    padding: 0 18px;
    gap: 22px;
  }

  .user-brand-copy small {
    display: none;
  }

  .user-header-v2 .main-menu {
    padding: 0 9px;
    font-size: 13px !important;
  }

  .user-header-v2 .site-menu {
    padding: 0 7px;
    font-size: 12px;
  }
}

@media (max-width: 980px) {
  .user-header-v2 .user-header-inner {
    min-height: 68px;
    padding: 0 15px;
  }

  .user-brand-mark {
    width: 38px;
    height: 38px;
  }

  .user-brand-copy strong {
    font-size: 18px;
  }

  .user-menu-toggle {
    display: block;
  }

  .user-header-v2 .user-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    z-index: 1200;
    display: none;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    padding: 12px 16px 24px;
    background: #fff;
    border-top: 1px solid #edf0f5;
    box-shadow: 0 18px 36px rgba(15,23,42,.12);
  }

  .user-header-v2 .user-nav.open {
    display: block;
  }

  .user-header-v2 .nav-left,
  .user-header-v2 .nav-right {
    display: block;
    width: 100%;
  }

  .user-header-v2 .nav-left > li,
  .user-header-v2 .nav-right > li {
    width: 100%;
  }

  .user-header-v2 .nav-utility-start {
    margin: 7px 0 0;
    padding: 7px 0 0;
    border-top: 1px solid #edf1f5;
  }

  .user-header-v2 .nav-utility-start::before {
    display: none;
  }

  .user-header-v2 .main-menu,
  .user-header-v2 .site-menu {
    width: 100%;
    min-height: 46px;
    justify-content: space-between;
    padding: 0 11px;
    border-radius: 9px;
    font-size: 14px !important;
  }

  .user-header-v2 .main-menu.active::after {
    display: none;
  }

  .user-header-v2 .sub-menu {
    display: block !important;
    position: static;
    min-width: 0;
    margin: 2px 0 8px;
    padding: 5px 0 5px 10px;
    border: 0;
    box-shadow: none;
    background: transparent;
  }

  .user-header-v2 .sub-menu::before {
    display: none;
  }

  .user-header-v2 .sub-menu a {
    padding: 9px 10px;
  }

  .submenu-desc {
    display: none;
  }

  .user-header-v2 .nav-right {
    margin-top: 14px;
  }

  .user-header-v2 .btn-nav.secondary {
    width: 100%;
    justify-content: center;
  }

  .user-header-v2 .dropdown-menu {
    display: block !important;
    position: static;
    min-width: 0;
    margin-top: 6px;
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}


/* ===== 준비 중 메뉴: 같은 행 표시 (v5) ===== */
.submenu-title-row-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.submenu-title-row-inline .submenu-title {
  min-width: 0;
}

.submenu-preparing-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: #fff7e8;
  color: #a96f14;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.user-header-v2 .sub-menu a.is-preparing {
  padding-top: 10px;
  padding-bottom: 10px;
}

/* 준비중 항목은 2줄 설명이 없으므로 드롭다운 높이를 불필요하게 늘리지 않음 */
.user-header-v2 .sub-menu a.is-preparing .submenu-desc {
  display: none !important;
}


/* ===== 상단 메뉴 간격 확대 (v6) ===== */
@media (min-width: 981px) {
  .user-header-v2 .nav-left {
    gap: 10px;
  }

  .user-header-v2 .main-menu {
    padding-left: 15px;
    padding-right: 15px;
  }

  .user-header-v2 .site-menu {
    padding-left: 11px;
    padding-right: 11px;
  }

  .user-header-v2 .nav-utility-start {
    margin-left: 12px;
    padding-left: 16px;
  }
}

@media (min-width: 1241px) {
  .user-header-v2 .nav-left {
    gap: 13px;
  }

  .user-header-v2 .main-menu {
    padding-left: 16px;
    padding-right: 16px;
  }
}


/* =========================================================
   모바일 햄버거 메뉴 레이어 수정
   - overlay가 펼쳐진 메뉴를 덮지 않도록 stacking 순서 고정
   ========================================================= */
@media (max-width: 980px) {
  .user-header-v2 {
    position: sticky;
    z-index: 1300 !important;
  }

  .user-header-v2 .user-nav {
    z-index: 1320 !important;
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .user-header-v2 .user-menu-toggle {
    position: relative;
    z-index: 1330;
  }

  .menu-overlay,
  .menu-overlay.show {
    z-index: 1200 !important;
  }
}