/* menu.css - 左侧菜单样式 */

/* 滚动条美化 */
.mcp-left-menu::-webkit-scrollbar {
    width: 4px;
}
.mcp-left-menu::-webkit-scrollbar-track {
    background: transparent;
}
.mcp-left-menu::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}

/* 菜单容器 - 随页面滚动 */
.mcp-left-menu {
    width: 240px;
    max-width: 240px;
    background: #3079ab;
    color: #fff;
    position: relative;
    min-height: calc(100vh - 102px);
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

/* 收缩状态 */
.mcp-left-menu.collapsed {
    width: 64px;
}

/* 折叠按钮 */
.mcp-left-menu .mcp-left-menu-toggle {
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    color: rgba(255,255,255,0.7);
    background: rgba(0,0,0,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all 0.2s;
    user-select: none;
    font-size: 18px;
}

.mcp-left-menu .mcp-left-menu-toggle:hover {
    color: #fff;
    background: rgba(0,0,0,0.15);
}

/* 菜单内容区域 */
.mcp-left-menu .mcp-left-menu-inner {
    padding-top: 4px;
}

/* 菜单根列表 */
.mcp-menu-root {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* 菜单项 */
.mcp-menu-item {
    position: relative;
}

/* 菜单链接 */
.mcp-menu-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
}

.mcp-menu-link:hover,
.mcp-menu-link:visited,
.mcp-menu-link:active,
.mcp-menu-link:focus {
    color: #fff;
}

.mcp-menu-link:hover {
    background: rgba(0, 0, 0, 0.12);
}

.mcp-menu-link:hover .mcp-menu-text {
    text-decoration: underline;
}

/* 图标 */
.mcp-menu-link > i:first-child {
    width: 24px;
    text-align: center;
    margin-right: 12px;
    font-size: 16px;
    flex-shrink: 0;
}

/* 文字 */
.mcp-menu-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 展开箭头 */
.mcp-menu-caret {
    margin-left: auto;
    transition: transform 0.3s;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    flex-shrink: 0;
}

.mcp-menu-item.open > .mcp-menu-link .mcp-menu-caret {
    transform: rotate(180deg);
}

/* 展开的父菜单项 - 深色背景 */
.mcp-menu-item.open > .mcp-menu-link {
    background: #2160a0;
    color: #fff;
}

/* 子菜单 */
.mcp-menu-item.has-children > .mcp-menu-sub {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    background: rgba(0,0,0,0.08);
    overflow: hidden;
}

.mcp-menu-sub .mcp-menu-link {
    padding: 10px 16px 10px 48px;
    background: transparent;
    font-size: 13px;
    color: rgba(255,255,255,0.9);
}

.mcp-menu-sub .mcp-menu-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

/* 第三级菜单 */
.mcp-menu-sub .mcp-menu-sub .mcp-menu-link {
    padding-left: 64px;
}

/* 选中状态（叶子节点）- 黄色文字高亮 */
.mcp-menu-item .mcp-menu-link.selected {
    color: #fdd835;
    background: rgba(0,0,0,0.15);
    font-weight: 500;
}

/* 空菜单 */
.mcp-menu-empty {
    padding: 12px 16px;
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}

/* 收缩状态 */
.mcp-left-menu.collapsed .mcp-menu-text,
.mcp-left-menu.collapsed .mcp-menu-caret {
    display: none;
}

.mcp-left-menu.collapsed .mcp-menu-link {
    padding: 12px 0;
    justify-content: center;
}

.mcp-left-menu.collapsed .mcp-menu-link > i:first-child {
    margin-right: 0;
    font-size: 18px;
}

.mcp-left-menu.collapsed .mcp-menu-sub .mcp-menu-link {
    padding: 10px 0;
}

/* 小屏幕 */
@media (max-width: 768px) {
    .mcp-left-menu {
        position: relative;
        width: 100% !important;
        height: auto;
        top: 0;
    }
    .mcp-left-menu .mcp-left-menu-toggle {
        display: none;
    }
}