/* 多级菜单样式 */
.menu-dropdown {
  position: absolute;
  left: 0;
  z-index: 10;
  margin-top: 0.5rem;
  width: 10rem;
  background-color: white;
  border-radius: 0.375rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  overflow: visible;
  border: 1px solid rgb(229 231 235);
}

.dark .menu-dropdown {
  background-color: rgb(51 65 85);
  border-color: rgb(71 85 105);
}

/* 第2级及以上菜单 */
.menu-dropdown .menu-dropdown {
  left: calc(100% + 0.25rem);
  top: 0;
  margin-top: 0;
  z-index: 20;
}

/* 第3级菜单 */
.menu-dropdown .menu-dropdown .menu-dropdown {
  left: calc(100% + 0.25rem);
  top: 0;
  z-index: 30;
}

/* 第4级菜单 */
.menu-dropdown .menu-dropdown .menu-dropdown .menu-dropdown {
  left: calc(100% + 0.25rem);
  top: 0;
  z-index: 40;
}

/* 第5级菜单 */
.menu-dropdown .menu-dropdown .menu-dropdown .menu-dropdown .menu-dropdown {
  left: calc(100% + 0.25rem);
  top: 0;
  z-index: 50;
}

/* 菜单项样式 */
.menu-item {
  position: relative;
  display: flex;
  width: 100%;
  align-items: center;
  text-align: left;
  font-size: 0.875rem;
  transition: background-color 0.15s ease-in-out;
}

.menu-item:hover {
  background-color: rgb(249 250 251);
}

.dark .menu-item:hover {
  background-color: rgb(71 85 105);
}

.menu-item-link {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  color: rgb(75 85 99);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

.menu-item-link:hover {
  color: rgb(37 99 235);
}

.dark .menu-item-link {
  color: rgb(248 250 252);
}

.dark .menu-item-link:hover {
  color: rgb(156 163 175);
}

/* 箭头图标 */
.menu-arrow {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  transition: transform 0.15s ease-in-out;
}

/* 移动端菜单样式 */
.mobile-menu-item {
  width: 100%;
  text-align: left;
  font-size: 0.875rem;
}

.mobile-menu-level-2 {
  padding-left: 1rem;
}

.mobile-menu-level-3 {
  padding-left: 2rem;
}

.mobile-menu-level-4 {
  padding-left: 3rem;
}

.mobile-menu-level-5 {
  padding-left: 4rem;
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  color: rgb(75 85 99);
  border: none;
  background: none;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}

.mobile-menu-toggle:hover {
  background-color: rgb(249 250 251);
}

.dark .mobile-menu-toggle {
  color: rgb(203 213 225);
}

.dark .mobile-menu-toggle:hover {
  background-color: rgb(71 85 105);
}

.mobile-menu-link {
  display: block;
  flex-grow: 1;
  padding: 0.5rem 1rem;
  color: rgb(75 85 99);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

.mobile-menu-link:hover {
  color: rgb(37 99 235);
}

.dark .mobile-menu-link {
  color: rgb(203 213 225);
}

.dark .mobile-menu-link:hover {
  color: rgb(156 163 175);
}