:root {
    --bs-primary: #6f42c1;
    --bs-primary-rgb: 111, 66, 193;
    --sidebar-width: 280px;
}

.hero-section {
    background: linear-gradient(135deg, #6f42c1 0%, #0d6efd 100%);
    color: white;
    padding: 10px 0;
    margin-bottom: 40px;
}

/* 侧边栏基础样式 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #dee2e6;
    background-color: white;
}

.sidebar-body {
    padding: 20px 0;
}

.sidebar-nav .nav-link {
    color: #495057;
    padding: 10px 20px;
    border-radius: 0;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-nav .nav-link:hover {
    background-color: #e9ecef;
    color: var(--bs-primary);
}

.sidebar-nav .nav-link.active {
    background-color: rgba(111, 66, 193, 0.1);
    color: var(--bs-primary);
    border-left-color: var(--bs-primary);
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    width: 24px;
    text-align: center;
    margin-right: 10px;
}

/* 主内容区域 */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: margin-left 0.3s ease;
}

/* 响应式侧边栏 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }

    .sidebar-overlay.show {
        display: block;
    }
}

/* 侧边栏切换按钮 */
.sidebar-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
    display: none;
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
}

/* 示例内容区域 */
.content-section {
    min-height: 500px;
    padding: 40px 20px;
    margin-bottom: 20px;
    border-radius: 10px;
}

#introduction {
    background-color: #f8f9fa;
}

#basic-sidebar {
    background-color: #e9ecef;
}

#responsive-sidebar {
    background-color: #dee2e6;
}

#styling-sidebar {
    background-color: #ced4da;
}

#advanced-sidebar {
    background-color: #adb5bd;
}

.section-title {
    border-left: 5px solid var(--bs-primary);
    padding-left: 15px;
    margin-bottom: 30px;
}

.code-block {
    background-color: #282c34;
    border-radius: 5px;
    padding: 15px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    margin: 15px 0;
    color: #abb2bf;
    overflow-x: auto;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(111, 66, 193, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

/* 深色侧边栏 */
.sidebar-dark {
    background-color: #212529;
    color: white;
}

.sidebar-dark .sidebar-header {
    background-color: #1a1d20;
    border-bottom-color: #343a40;
    color: white;
}

.sidebar-dark .sidebar-nav .nav-link {
    color: #adb5bd;
}

.sidebar-dark .sidebar-nav .nav-link:hover {
    background-color: #343a40;
    color: white;
}

.sidebar-dark .sidebar-nav .nav-link.active {
    background-color: rgba(111, 66, 193, 0.2);
    color: white;
}

/* 折叠侧边栏 */
.sidebar-collapsed {
    width: 70px;
}

.sidebar-collapsed .sidebar-brand,
.sidebar-collapsed .nav-link span {
    display: none;
}

.sidebar-collapsed .nav-link {
    text-align: center;
    padding: 10px 5px;
}

.sidebar-collapsed .nav-link i {
    margin-right: 0;
}

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

/* 导航指示器 */
.nav-indicator {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: var(--bs-primary);
    color: white;
    padding: 10px 15px;
    border-radius: 50px;
    font-size: 14px;
    z-index: 1001;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}