/* =========================
   ELGENS HEADER (CSS)
   ========================= */

.elgens-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  font-family: "IBM Plex Sans", sans-serif;
}

/* container */
.elgens-header .container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* classic bottom line */
.elgens-header .classic {
  border-bottom: 2px solid #e6e6e6;
  position: relative;
}

.elgens-header .classic:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 4px;
  background: var(--line);
  box-shadow: 0 2px 6px rgba(229, 139, 30, 0.35);
}

/* brand */
.elgens-header .brand {
  display: flex;
  align-items: center;
}

.elgens-header .brand img {
  height: 34px;
  width: auto;
  display: block;
}

/* hamburger toggle */
.elgens-header .nav-toggle {
  margin-left: auto;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 36px;
  border: 1px solid #e5e7eb;
  background: #fff;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.elgens-header .nav-toggle .bar {
  width: 20px;
  height: 2px;
  background: #111;
}

.elgens-header .nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}

.elgens-header .nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.elgens-header .nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* nav wrapper */
.elgens-header .elgens-nav {
  position: relative;
  margin-left: 20px;
  flex: 1;
  font-size: 19px;
}

/* menu base */
.elgens-header .menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.elgens-header .menu .menu-item {
  display: flex;
}

/* level-1 (desktop base) */
.elgens-header .menu.level-1 {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.elgens-header .menu.level-1 > .menu-item {
  display: flex !important;
  align-items: center;
  position: relative;
  width: auto !important;
}

.elgens-header .menu.level-1 > .menu-item > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 10px;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.elgens-header .menu.level-1 > .menu-item > a:hover {
  color: #0d0d0d !important;
}

.elgens-header .menu.level-1 > .menu-item.has-children > a::after {
  font-size: 0.8em;
  color: #9aa1ab !important;
  margin-left: 2px;
}

/* dropdown common (level-2~5) */
.elgens-header .menu.level-2,
.elgens-header .menu.level-3,
.elgens-header .menu.level-4,
.elgens-header .menu.level-5 {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 280px;
  background: #fff;
  border: 1px solid #eef2f6;
  border-radius: 12px;
  display: none;
  box-shadow: var(--shadow);
  z-index: 1000;
}

.elgens-header .menu.level-2 a,
.elgens-header .menu.level-3 a,
.elgens-header .menu.level-4 a,
.elgens-header .menu.level-5 a {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
}

.elgens-header .menu.level-2 a:hover,
.elgens-header .menu.level-3 a:hover,
.elgens-header .menu.level-4 a:hover,
.elgens-header .menu.level-5 a:hover {
  background: #f6f8fb;
  color: #111 !important;
}

.elgens-header .menu.level-2 > .menu-item,
.elgens-header .menu.level-3 > .menu-item,
.elgens-header .menu.level-4 > .menu-item,
.elgens-header .menu.level-5 > .menu-item {
  position: relative;
}

.elgens-header .menu.level-2 > .menu-item.has-children > a::after,
.elgens-header .menu.level-3 > .menu-item.has-children > a::after,
.elgens-header .menu.level-4 > .menu-item.has-children > a::after,
.elgens-header .menu.level-5 > .menu-item.has-children > a::after {
  color: #a0a7b2;
  margin-left: 0.4em;
  font-size: 0.9em;
}

/* deeper dropdown position */
.elgens-header .menu.level-3,
.elgens-header .menu.level-4,
.elgens-header .menu.level-5 {
  left: 100%;
  top: 0;
}

/* submenu toggle button */
.elgens-header .submenu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: #9aa1ab;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
}

/* hide nested menu by default */
.elgens-header .menu .has-children > .menu {
  display: none;
}

/* ---------- Desktop hover behaviors ---------- */
@media (min-width: 992px) {
  .elgens-header .nav-toggle {
    display: none;
  }

  .elgens-header .menu.level-1 {
    display: flex !important;
  }

  .elgens-header .menu.level-1 > .menu-item:hover > .menu,
  .elgens-header .menu.level-2 > .menu-item:hover > .menu,
  .elgens-header .menu.level-3 > .menu-item:hover > .menu,
  .elgens-header .menu.level-4 > .menu-item:hover > .menu {
    display: block;
  }

  .elgens-header .submenu-toggle {
    display: none;
  }
}

/* ---------- Mobile base menu container ---------- */
@media (max-width: 991.98px) {
  .elgens-header .elgens-nav {
    flex: unset;
    width: 100%;
  }

  .elgens-header #elgens-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border-top: 1px solid #eee;
    display: none;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }

  .elgens-header #elgens-menu.open {
    display: block;
  }

  .elgens-header .menu.level-1 {
    display: block !important;
    padding: 8px;
  }

  .elgens-header .menu.level-1 > .menu-item {
    display: block;
    border-bottom: 1px solid #f1f3f5;
  }

  .elgens-header .menu.level-1 > .menu-item > a {
    display: flex;
    color: #ee7700; /* 原本是 $primary，CSS 改成固定色 */
    justify-content: space-between;
  }

  .elgens-header .menu.level-2,
  .elgens-header .menu.level-3,
  .elgens-header .menu.level-4,
  .elgens-header .menu.level-5 {
    position: static;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }

  .elgens-header .menu.level-2 a,
  .elgens-header .menu.level-3 a,
  .elgens-header .menu.level-4 a,
  .elgens-header .menu.level-5 a {
    padding: 12px 16px;
  }

  .elgens-header .menu.level-2 {
    background: #fafbfc;
    padding-left: 10px;
  }

  .elgens-header .menu.level-3 {
    background: #f7f9fb;
    padding-left: 10px;
  }

  .elgens-header .menu.level-4 {
    background: #f5f7fa;
    padding-left: 10px;
  }

  .elgens-header .menu.level-5 {
    background: #f3f6fa;
    padding-left: 10px;
  }
}

/* link hover global */
.elgens-header a:hover {
  color: #0d0d0d;
}

/* =========================
   LINK COLORS (Default + Hover)
   ========================= */
.elgens-nav .menu-item > a {
  color: #ee7700;
  transition: color 0.2s ease-in-out;
}

.elgens-nav .menu-item > a:hover {
  color: #000000;
}

/* =========================
   MOBILE ACCORDION STYLES
   ========================= */
@media (max-width: 991.98px) {
  .elgens-nav .menu.level-2,
  .elgens-nav .menu.level-3,
  .elgens-nav .menu.level-4,
  .elgens-nav .menu.level-5 {
    position: static !important;
    width: 100% !important;
    display: none;
    float: none !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    background-color: #fff;
  }

  .elgens-nav .menu-item {
    width: 100% !important;
    float: none !important;
    display: block;
    border-bottom: 1px solid #eee;
  }

  .elgens-nav .menu-item:last-child {
    border-bottom: none;
  }

  .elgens-nav .menu-item.has-children {
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  /* expanded parent item */
  .elgens-nav .menu-item:has(> .submenu-toggle[aria-expanded="true"]) {
    border-bottom-color: #333;
  }

  .elgens-nav .menu-item:has(> .submenu-toggle[aria-expanded="true"]) > a,
  .elgens-nav .menu-item:has(> .submenu-toggle[aria-expanded="true"]) > .submenu-toggle {
    color: #fff;
  }

  /* background for expanded by level */
  .elgens-nav .level-1 > .menu-item:has(> .submenu-toggle[aria-expanded="true"]),
  .elgens-nav .level-2 > .menu-item:has(> .submenu-toggle[aria-expanded="true"]),
  .elgens-nav .level-3 > .menu-item:has(> .submenu-toggle[aria-expanded="true"]),
  .elgens-nav .level-4 > .menu-item:has(> .submenu-toggle[aria-expanded="true"]) {
    background-color: #585858;
  }

  /* links and toggle buttons */
  .elgens-nav .menu-item a {
    flex-grow: 1;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    display: block;
  }

  .elgens-nav .submenu-toggle {
    flex-shrink: 0;
    margin-left: auto;
    padding: 12px 15px;
  }

  /* indent submenu levels */
  .elgens-nav .menu.level-3 a {
    padding-left: 30px;
  }

  .elgens-nav .menu.level-4 a {
    padding-left: 45px;
  }

  .elgens-nav .menu.level-5 a {
    padding-left: 60px;
  }

  /* hide toggle button for first level when open */
  .elgens-nav .level-1 > .menu-item:has(> .submenu-toggle[aria-expanded="true"]) > .submenu-toggle {
    display: none;
  }
}

/* =========================
   DESKTOP MENU STYLES
   ========================= */
@media (min-width: 992px) {
  .elgens-nav .submenu-toggle {
    display: none;
  }

  .elgens-nav .menu-item {
    position: relative;
  }

  .elgens-nav .menu ul {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #eee;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    list-style: none;
    padding-left: 0;
    min-width: 240px;
    z-index: 999;
  }

  .elgens-nav .menu ul .menu-item {
    width: 100%;
    border-bottom: none;
  }

  .elgens-nav .menu-item:hover > ul {
    display: block;
  }

  .elgens-nav .level-1 > .menu-item > .level-2 {
    top: 100%;
    left: 0;
  }

  .elgens-nav .level-2 > .menu-item > .level-3,
  .elgens-nav .level-3 > .menu-item > .level-4,
  .elgens-nav .level-4 > .menu-item > .level-5 {
    top: -1px;
    left: 100%;
  }

  .elgens-nav .menu ul a {
    display: block;
    padding-top: 10px;
    padding-bottom: 10px;
    white-space: nowrap;
  }

  .elgens-nav .menu.level-2 > .menu-item > a {
    padding-left: 20px;
  }

  .elgens-nav .menu.level-3 > .menu-item > a {
    padding-left: 40px;
  }

  .elgens-nav .menu.level-4 > .menu-item > a {
    padding-left: 60px;
  }

  .elgens-nav .menu.level-5 > .menu-item > a {
    padding-left: 80px;
  }
}