/* 「文章」下拉菜单。颜色引用 theme-colors.css 的 --tc-* 色板变量。 */

.menu-item-posts {
  position: relative;
}

.menu-posts-toggle {
  cursor: pointer;
}

.menu-item-posts .menu-caret {
  font-size: 14px;
  margin-left: 3px;
  transition: transform .2s ease;
}

.menu-item-posts.is-open .menu-caret {
  transform: rotate(180deg);
}

/* 桌面：悬停在父项上即展开 */
.menu-posts-dropdown {
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  background: var(--tc-panel-bg);
  border: 1px solid var(--tc-glass-border);
  border-radius: 10px;
  box-shadow: 0 6px 24px var(--tc-glass-shadow);
  display: none;
  left: 50%;
  list-style: none;
  margin: 0;
  min-width: 132px;
  padding: 6px;
  position: absolute;
  top: calc(100% + 8px);
  transform: translateX(-50%);
  z-index: 1100;
}

.menu-item-posts.is-open .menu-posts-dropdown {
  display: block;
}

@media (min-width: 768px) {
  .menu-item-posts:hover .menu-posts-dropdown {
    display: block;
  }

  /* 悬停桥：父项与面板之间的空隙不至于让面板消失 */
  .menu-posts-dropdown::before {
    content: '';
    height: 10px;
    left: 0;
    position: absolute;
    right: 0;
    top: -10px;
  }
}

/* 子项默认透明。必须带 #menu 提高优先级：NexT 的 .menu-item-active a
   是后代选择器，父项「文章」激活时会把背景泼给面板内全部子项。 */
#menu .menu-posts-dropdown .menu-item a {
  background: transparent;
  border-bottom: none;
  border-radius: 7px;
  color: var(--tc-sidebar-text);
  display: block;
  padding: 8px 16px;
  white-space: nowrap;
}

#menu .menu-posts-dropdown .menu-item a:hover {
  background: var(--tc-glass-bg);
  color: var(--tc-accent-hover);
}

#menu .menu-posts-dropdown .menu-item.menu-item-active a {
  background: var(--tc-glass-bg);
  color: var(--tc-accent);
  font-weight: 600;
}

/* 移动端：竖排菜单里改为原地展开 */
@media (max-width: 767px) {
  .menu-posts-dropdown {
    background: transparent;
    border: none;
    box-shadow: none;
    display: none;
    left: auto;
    min-width: 0;
    padding: 0 0 4px 24px;
    position: static;
    transform: none;
  }

  .menu-item-posts.is-open .menu-posts-dropdown {
    display: block;
  }

  .menu-posts-dropdown .menu-item a {
    padding: 8px 10px;
  }
}