/* ========================================
   佰医互联 HIS系统 - 左侧导航菜单样式
   简洁大气设计 - 丝滑交互版本
   ======================================== */

/* ---------- 侧边栏整体 ---------- */
.skin-blue .main-sidebar,
.skin-blue .left-side {
    background: #1a2234;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
}

.sidebar {
    padding: 0;
    height: calc(100vh - 56px);
    overflow-y: auto;
    overflow-x: hidden;
}

/* 滚动条 */
.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ---------- 菜单基础 ---------- */
.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}

.sidebar-menu li {
    position: relative;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    color: #9ca3af;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

/* ---------- 一级菜单 ---------- */
.sidebar-menu > li {
    margin: 2px 10px;
}

.sidebar-menu > li > a {
    padding: 0 16px;
    height: 44px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
}

.sidebar-menu > li > a > i {
    width: 20px;
    margin-right: 10px;
    font-size: 16px;
    text-align: center;
    transition: color 0.2s ease;
}

.sidebar-menu > li > a > span {
    flex: 1;
    white-space: nowrap;
}

/* 一级菜单 - 悬停 */
.sidebar-menu > li:hover > a {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-menu > li:hover > a > i {
    color: #60a5fa;
}

/* 一级菜单 - 激活 */
.sidebar-menu > li.active > a {
    color: #fff;
    background: #3b82f6;
}

.sidebar-menu > li.active > a > i {
    color: #fff;
}

/* 一级菜单 - 展开状态 */
.sidebar-menu > li.treeview.menu-open > a {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

/* ---------- 展开箭头 ---------- */
.sidebar-menu li > a > .pull-right-container {
    margin-left: 8px;
}

.sidebar-menu li > a > .pull-right-container > .fa-angle-left {
    font-size: 12px;
    color: #6b7280;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-menu > li:hover > a > .pull-right-container > .fa-angle-left {
    color: #9ca3af;
}

.sidebar-menu .menu-open > a > .pull-right-container > .fa-angle-left {
    transform: rotate(-90deg);
    color: #9ca3af;
}

/* ---------- 二级菜单容器 ---------- */
.treeview-menu {
    display: none;
    list-style: none;
    padding: 5px 0;
    margin: 4px 0 4px 26px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 6px;
}

li.treeview.menu-open > ul.treeview-menu {
    display: block !important;
}

/* ---------- 二级菜单 ---------- */
.treeview-menu > li {
    margin: 2px 6px;
}

.treeview-menu > li > a {
    padding: 0 12px;
    height: 40px;
    font-size: 13px;
    border-radius: 4px;
}

.treeview-menu > li > a::before {
    content: '';
    width: 5px;
    height: 5px;
    background: #6b7280;
    border-radius: 50%;
    margin-right: 10px;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

/* 二级菜单 - 悬停 */
.treeview-menu > li:hover > a {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.treeview-menu > li:hover > a::before {
    background: #3b82f6;
}

/* 二级菜单 - 激活 */
.treeview-menu > li.active > a {
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.12);
}

.treeview-menu > li.active > a::before {
    background: #3b82f6;
}

/* ---------- 三级菜单 ---------- */
.treeview-menu .treeview-menu {
    display: none;
    margin: 3px 0 3px 16px;
    background: rgba(0, 0, 0, 0.1);
}

.treeview-menu li.treeview.menu-open > .treeview-menu {
    display: block !important;
}

.treeview-menu .treeview-menu > li {
    margin: 2px 4px;
}

.treeview-menu .treeview-menu > li > a {
    padding: 0 10px;
    height: 36px;
    font-size: 12px;
}

.treeview-menu .treeview-menu > li > a::before {
    width: 4px;
    height: 4px;
    margin-right: 8px;
}

/* 三级菜单 - 悬停 */
.treeview-menu .treeview-menu > li:hover > a {
    color: #fff;
}

/* 三级菜单 - 激活 */
.treeview-menu .treeview-menu > li.active > a {
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.1);
}

.treeview-menu .treeview-menu > li.active > a::before {
    background: #60a5fa;
}

/* ---------- 四级菜单 ---------- */
.treeview-menu .treeview-menu .treeview-menu {
    display: none;
    margin: 2px 0 2px 14px;
}

.treeview-menu .treeview-menu li.treeview.menu-open > .treeview-menu {
    display: block !important;
}

.treeview-menu .treeview-menu .treeview-menu > li {
    margin: 1px 4px;
}

.treeview-menu .treeview-menu .treeview-menu > li > a {
    padding: 0 8px;
    height: 32px;
    font-size: 12px;
}

.treeview-menu .treeview-menu .treeview-menu > li > a::before {
    width: 4px;
    height: 4px;
}

/* ---------- 激活指示器 ---------- */
.sidebar-menu > li.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: #f0f2f5;
}

/* ---------- 侧边栏收缩状态 ---------- */
.sidebar-mini.sidebar-collapse .main-header .logo {
    width: 50px;
}

.sidebar-mini.sidebar-collapse .sidebar-menu {
    padding: 8px 0;
}

.sidebar-mini.sidebar-collapse .sidebar-menu > li {
    margin: 2px 6px;
}

.sidebar-mini.sidebar-collapse .sidebar-menu > li > a {
    padding: 0;
    height: 44px;
    justify-content: center;
}

.sidebar-mini.sidebar-collapse .sidebar-menu > li > a > span,
.sidebar-mini.sidebar-collapse .sidebar-menu > li > a > .pull-right-container {
    display: none !important;
}

.sidebar-mini.sidebar-collapse .sidebar-menu > li > a > i {
    margin-right: 0;
    font-size: 18px;
}

/* 收缩状态 - 悬浮子菜单 */
.sidebar-mini.sidebar-collapse .sidebar-menu > li:hover > .treeview-menu {
    display: block !important;
    max-height: 2000px;
    opacity: 1;
    transform: translateY(0);
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 200px;
    background: #1a2234;
    border-radius: 0 8px 8px 0;
    box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.25);
    margin: 0;
    padding: 6px 0;
}

.sidebar-mini.sidebar-collapse .treeview-menu > li {
    margin: 2px 8px;
    opacity: 1;
    transform: none;
    transition: none;
}

.sidebar-mini.sidebar-collapse .treeview-menu > li > a {
    padding: 0 12px;
    height: 40px;
}

.sidebar-mini.sidebar-collapse .treeview-menu .treeview-menu {
    margin-left: 12px;
}

.sidebar-mini.sidebar-collapse .treeview-menu .treeview-menu > li > a {
    height: 36px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .sidebar-menu > li {
        margin: 2px 8px;
    }
    
    .sidebar-menu > li > a {
        padding: 0 14px;
    }
    
    .treeview-menu {
        margin-left: 22px;
    }
    
    .treeview.menu-open > .treeview-menu {
        margin-left: 22px;
    }
}