/* 文档布局样式 */
body {
    margin: 0;
    padding: 0;
    overflow: hidden; /* 隐藏整个页面的滚动条 */
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    display: flex;
    height: 100vh;
    overflow: hidden; /* 确保容器没有滚动条 */
}

.sidebar {
    width: 400px;
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    overflow-y: auto; /* 允许侧边栏滚动 */
    padding: 20px 15px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.content {
    flex: 1;
    overflow-y: auto;
    position: relative;
    background-color: #fff;
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: #c1c1c1 #f1f1f1; /* Firefox */
    padding: 20px;
}

/* 自定义滚动条样式 - Webkit浏览器 */
.content::-webkit-scrollbar {
    width: 8px;
}

.content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 目录树样式 */
.directory-tree {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.directory-tree li {
    margin: 3px 0;
}

.directory-tree a {
    color: #666;
    text-decoration: none;
    display: block;
    padding: 6px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
}

.directory-tree a:hover {
    color: #333;
    background-color: #f0f0f0;
}

.directory-tree a.active {
    color: #1976d2;
    background-color: #e3f2fd;
    font-weight: 500;
}

.directory-tree a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: #1976d2;
    border-radius: 2px;
}

.directory-group {
    margin-bottom: 8px;
}

.directory-group-title {
    font-weight: 500;
    cursor: pointer;
    padding: 6px 8px;
    background-color: #f0f0f0;
    border-radius: 4px;
    margin-bottom: 3px;
    position: relative;
    padding-left: 20px;
    transition: all 0.2s ease;
    color: #333;
}

.directory-group-content {
    padding-left: 25px;
    list-style: none;
    margin: 0;
}

/* 移除默认的display:none，由JavaScript控制 */
.directory-group .directory-group-content {
    display: none;
}

.directory-group.active > .directory-group-content {
    display: block;
}

.directory-group-title::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 4px 0 4px 6px;
    border-color: transparent transparent transparent #666;
    transition: transform 0.2s ease;
}

.directory-group.active > .directory-group-title::before {
    transform: translateY(-50%) rotate(90deg);
}

/* 侧边栏标题样式 */
.sidebar-title {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 16px;
    cursor: pointer;
    padding: 8px 12px;
    background-color: #f0f0f0;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
    display: inline-block;
}

.sidebar-title:hover {
    background-color: #e0e0e0;
    color: #1976d2;
}

.sidebar-title::after {
    content: '🏠';
    margin-left: 8px;
    font-size: 14px;
    opacity: 0.7;
}

/* 错误提示样式 */
.error {
    color: red;
    padding: 20px;
    border: 1px solid red;
    margin: 20px;
    border-radius: 4px;
    background-color: #fff5f5;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background: #1976d2;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    font-size: 20px;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn:active {
    transform: scale(0.95);
    background: #1976d2;
}

/* 移动端遮罩层 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 100%;
        transform: translateX(-100%);
        z-index: 1000;
    }

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

    .content {
        margin-top: 0;
        padding: 15px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-overlay.active {
        display: block;
    }

    /* 调整移动端字体大小 */
    .directory-group-title {
        font-size: 16px;
    }

    .directory-tree a {
        font-size: 14px;
        padding: 8px 10px;
    }

    /* 移动端内容区域样式 */
    .content h1 {
        font-size: 24px;
        margin-top: 0;
    }

    .content h2 {
        font-size: 20px;
    }

    .content p {
        font-size: 16px;
    }

    /* 移动端表格样式 */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .sidebar-title {
        font-size: 18px;
        padding: 10px 15px;
        margin-bottom: 15px;
    }
}