/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    overflow-x: hidden;
}

.container_update {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 300px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-section {
    padding: 12px 15px;
    margin: 8px 1px 18px 1px;
    transition: all 0.3s ease;
    position: relative;
}

/* Active Navigation Item */
.sidebar-section.active {
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.15) 0%, rgba(66, 153, 225, 0.1) 100%);
    border-radius: 12px;
    margin: 8px;
    box-shadow: 0 4px 15px rgba(66, 153, 225, 0.2);
    border-left: 4px solid #4299e1;
}

.sidebar-section.active .nav-header {
    color: #2b6cb0;
}

.sidebar-section.active .nav-header i {
    color: #4299e1;
    transform: scale(1.1);
}

.sidebar.collapsed .sidebar-section.active {
    border-left: 3px solid #4299e1;
    margin: 8px 5px;
}

/* Logo and Toggle Button */
.section-0 {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.toggle-img {
    height: 40px;
    transition: all 0.3s ease;
}

.sidebar.collapsed .toggle-img {
    opacity: 0;
    width: 0;
}

.toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(227, 231, 238, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.toggle-btn:hover {
    background: rgba(66, 153, 225, 0.2);
    transform: scale(1.05);
}

.toggle-btn i {
    font-size: 16px;
    color: #4a5568;
    transition: all 0.3s ease;
    position: absolute;
}

/* Toggle Button Icon States */
.toggle-btn .default-icon {
    display: block;
    opacity: 1;
}
.toggle-btn .hover-icon {
    display: none;
    opacity: 0;
}
.toggle-btn .active-icon {
    display: none;
    opacity: 0;
}

/* Expanded State Hover */
.sidebar:not(.collapsed) .toggle-btn:hover .default-icon {
    display: none;
    opacity: 0;
}
.sidebar:not(.collapsed) .toggle-btn:hover .hover-icon {
    display: block;
    opacity: 1;
    color: #4299e1;
}

/* Collapsed State Hover */
.sidebar.collapsed .toggle-btn:hover .default-icon {
    display: none;
    opacity: 0;
}
.sidebar.collapsed .toggle-btn:hover .active-icon {
    display: block;
    opacity: 1;
    color: #4299e1;
}

/* Navigation Items */
.nav-header {
    height: 44px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 10px;
    margin: 4px 0;
}

.nav-header:hover {
    background: rgba(66, 153, 225, 0.1);
    transform: translateX(3px);
}

.nav-header i {
    font-size: 16px;
    margin-right: 12px;
    color: #718096;
    transition: all 0.3s ease;
}

.nav-header span {
    font-weight: 500;
    color: #4a5568;
    transition: all 0.3s ease;
}

/* Collapsed State */
.sidebar.collapsed .nav-header {
    justify-content: center;
    padding: 0;
}

.sidebar.collapsed .nav-header span,
.sidebar.collapsed .nav-content {
    display: none;
}

.sidebar.collapsed .nav-header i {
    margin-right: 0;
    font-size: 18px;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    margin-left: 320px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}

.sidebar.collapsed ~ .main-content {
    margin-left: 70px;
}

/* Mobile Toggle Button */
.mobile-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: rgba(66, 153, 225, 0.9);
    color: white;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        transform: translateX(-100%);
        width: 280px;
    }

    .main-content {
        margin-left: 0 !important;
    }

    .mobile-toggle {
        display: flex !important;
    }
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(227, 231, 238, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: rgba(66, 153, 225, 0.5);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(66, 153, 225, 0.7);
}


/*滚动条样式*/
/* Custom Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;  /* Narrow scrollbar width */
    height: 8px; /* Narrow scrollbar height for horizontal scrollbars */
}

::-webkit-scrollbar-track {
    /*background: rgba(227, 231, 238, 0.5); !* Light track color *!*/
    background: rgba(227, 231, 238, 0); /* Light track color */
    border-radius: 4px; /* Rounded corners */
}

::-webkit-scrollbar-thumb {
    /*background: #4299e1; !* Sky blue color *!*/
    background: rgba(227, 231, 238, 0); /* Light track color */
    border-radius: 4px; /* Rounded corners */
}

::-webkit-scrollbar-thumb:hover {
    /*background: #3182ce; !* Slightly darker blue on hover *!*/
    background: rgba(227, 231, 238, 0); /* Light track color */
}

/* For Firefox */
* {
    scrollbar-width: thin;
    /*scrollbar-color: #4299e1 rgba(227, 231, 238, 0.5);*/
    /*scrollbar-color: #4299e1 rgba(227, 231, 238, 0);*/
    scrollbar-color:  rgba(227, 231, 238, 0) rgba(227, 231, 238, 0);
}

/*===========*/
/* 修改现有的 .sidebar 样式 */
.sidebar {
    width: 320px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    display: flex;
    flex-direction: column;
    position: fixed;  /* 改为固定定位 */
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;  /* 允许侧边栏内部滚动 */
}

/* 确保主内容区域有足够的左边距 */
.main-content {
    flex-grow: 1;
    margin-left: 320px;  /* 与侧边栏宽度一致 */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 10px 10px 10px 20px;
}

/* 侧边栏收起状态 */
.sidebar.collapsed ~ .main-content {
    margin-left: 70px;
}