/* GT Lang Dropdown — 短代码 + GTranslate 原生 Dropdown */

/* 隐藏原生 select / switcher */
.gt-lang-dropdown-host select.gt_selector,
.gt-lang-dropdown-host .gt_switcher {
  line-height: 0 !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* 在导航栏内只占触发器宽度，不参与撑高 */
.gt-lang-dropdown-host {
  position: relative;
  display: inline-flex;
  align-items: center;
  align-self: center;
  flex-shrink: 0;
  vertical-align: middle;
  z-index: 100;
}

.gt-lang-dropdown-host:has(.gt-lang-dropdown.is-open) {
  z-index: 100000;
}

.gt-lang-dropdown {
  position: relative;
  display: inline-block;
  min-width: 169px;
  max-width: 220px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.4;
  color: #5f6368;
  vertical-align: middle;
}

/* 收起：仅显示触发按钮 */
.gt-lang-dropdown__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  border: 1px solid #e0e0e0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
}

.gt-lang-dropdown.is-open .gt-lang-dropdown__trigger {
  position: relative;
  z-index: 2;
  border-radius: 22px 22px 0 0;
  border-bottom-color: #eee;
  box-shadow: none;
  border-bottom: unset;
}

.gt-lang-dropdown__current {
  font-weight: 500;
  color: #3c4043;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gt-lang-dropdown__chevron {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-right: 2px solid #5f6368;
  border-bottom: 2px solid #5f6368;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform .2s ease;
}

.gt-lang-dropdown.is-open .gt-lang-dropdown__chevron {
  transform: rotate(-135deg);
  margin-top: 3px;
}

/* 展开：外层裁切圆角，内层滚动（右下角才能跟面板一起圆） */
.gt-lang-dropdown__panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-top: none;
  border-radius: 0 0 22px 22px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .14);
  max-height: min(70vh, 420px);
  overflow: hidden;
}

.gt-lang-dropdown.is-open .gt-lang-dropdown__panel {
  display: block;
}

.gt-lang-dropdown__panel-scroll {
  box-sizing: border-box;
  max-height: min(70vh, 420px);
  padding: 6px 6px 14px 18px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: #b8bcc4 transparent;
}

/* 细滚动条：无上下箭头，圆角滑块（Chrome / Edge / Safari） */
.gt-lang-dropdown__panel-scroll::-webkit-scrollbar {
  width: 5px;
}

.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-track {
  background: transparent;
  margin: 8px 0 12px;
  border-radius: 999px;
}

.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-thumb {
  background: #c8ccd2;
  border-radius: 999px;
  min-height: 28px;
}

.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-thumb:hover {
  background: #9aa0a8;
}

.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-thumb:active {
  background: #7a8088;
}

.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-button,
.gt-lang-dropdown__panel-scroll::-webkit-scrollbar-corner {
  display: none;
  width: 0;
  height: 0;
}

.gt-lang-dropdown__item {
  display: block;
  width: 100%;
  padding: 10px 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: #5f6368;
  white-space: nowrap;
  transition: color .15s ease;
}

.gt-lang-dropdown__item:hover {
  color: #4285f4;
}

.gt-lang-dropdown__item.is-active {
  color: #4285f4;
  font-weight: 500;
}

/* 导航在右侧时，下拉右对齐，避免超出视口 */
.menu .gt-lang-dropdown-host,
nav .gt-lang-dropdown-host,
.ct-header .gt-lang-dropdown-host,
[class*="header"] .gt-lang-dropdown-host {
  margin-left: 8px;
}

.menu .gt-lang-dropdown-host .gt-lang-dropdown__panel,
nav .gt-lang-dropdown-host .gt-lang-dropdown__panel,
.ct-header .gt-lang-dropdown-host .gt-lang-dropdown__panel {
  left: auto;
  right: 0;
  min-width: 100%;
}