.page-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 97;
}

.bodyDiv {
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    box-sizing: border-box;
    background-color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
}

.bodyDiv ::-webkit-scrollbar {
    width: 4px;
    height: 4px;
    background-color: transparent;
}

.bodyDiv ::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background-color: #c0c0c0;
}

.bodyDiv ::-webkit-scrollbar-track {
    background-color: transparent;
}

.leftMenu {
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    width: 240px;
    max-height: calc(100vh - 80px);
    border-right: 1px solid #e0e0e0;
    font-size: 14px;
    overflow: hidden auto;
}

.leftMenu nav {
    width: inherit;
    padding: 20px;
    box-sizing: border-box;
}

.allContent {
    flex-grow: 1;
    display: flex;
    flex-direction: row;
}

.content {
    flex-grow: 1;
    padding: 20px 40px;
}

.hidden-content {
    display: none;
}

.tocDiv {
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    width: 220px;
    max-height: calc(100vh - 80px);
    border-left: 1px solid #e0e0e0;
    overflow: hidden auto;
}

.tocCollapse {
    display: none;
}

#footer-toc {
    width: inherit;
    padding: 20px;
    box-sizing: border-box;
}

.toc {
    width: 100%;
    font-size: 14px;
}

.activeLink {
    background-color: #f0f0f0 !important;
    color: #2e8555 !important;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    margin-bottom: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    display: block;
    padding: 5px;
    transition: background-color 0.3s ease;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

nav ul li a:hover {
    background-color: #f0f0f0;
    color: #2e8555;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    color: #333;
}

.content h2[id^="heading-"],
.content h3[id^="heading-"] {
    scroll-margin-top: calc(60px + 1.5em);
}

.content p {
    margin-bottom: 1em;
}

.content a {
    color: #2e8555;
    text-decoration: none;
}

.content a:hover {
    text-decoration: underline;
}

.content img {
    max-width: 100%;
    height: auto;
}

.content blockquote {
    border-left: 4px solid #ddd;
    padding-left: 1em;
    color: #666;
    margin: 1em 0;
}

.content ul,
.content ol {
    padding-left: 2em;
    margin-bottom: 1em;
}

pre {
    background-color: #f6f8fa;
    padding: 16px;
    overflow-x: auto;
    border-radius: 6px;
    margin-bottom: 1em;
}

pre code.hljs {
    padding: 0;
    background: transparent;
}

.hljs {
    padding: 0;
    border-radius: 0;
}

.toc-active {
    color: #2e8555 !important;
    font-weight: bold;
}

.toc-h3 {
    margin-left: 20px;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1em;
}

th,
td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f6f8fa;
}

.leftMenu ul ul {
    margin-left: 20px;
}

.leftMenu .toggle {
    cursor: pointer;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.leftMenu .toggle::before {
    content: '▼';
    display: inline-block;
    margin-right: 5px;
    transition: transform 0.3s;
}

.leftMenu .toggle.closed::before {
    transform: rotate(-90deg);
}

.pagination-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    display: none;
}

.pagination-nav__link {
    display: block;
    padding: 1rem;
    border: 1px solid #dadde1;
    border-radius: .4rem;
    font-size: 15px;
}

.pagination-nav__link--next {
    text-align: right;
    grid-column: 2 / 3;
}

.pagination-nav__link--prev::before {
    content: "« ";
}

.pagination-nav__link--next::after {
    content: " »";
}

@media screen and (max-width: 992px) {
    .leftMenu {
        display: none;
    }

    .allContent {
        flex-direction: column-reverse;
        max-width: 768px;
        margin: 0 auto;
        padding: 40px 20px;
        box-sizing: border-box;
    }

    .content {
        position: relative;
        padding: 0;
    }

    .tocDiv {
        position: static;
        width: 100%;
        max-height: unset;
        border: none;
        border-radius: 6px;
        background-color: #f2f2f2;
        overflow: auto;
    }

    .tocDiv .tocCollapse {
        display: block;
        padding: 8px 12px;
        font-size: 16px;
        color: #1c1e21;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
    }

    .tocDiv .tocCollapse::after {
        content: url("data:image/svg+xml;base64,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");
        display: inline-block;
        margin: 0 6px;
        vertical-align: middle;
    }

    .tocDiv .tocCollapse.active {
        border-bottom: 1px solid #dadde1;
    }

    .tocDiv .tocCollapse.active::after {
        transform: rotate(180deg);
    }

    .tocDiv nav {
        display: none;
        width: 100%;
        padding: 0 12px !important;
    }

    .tocDiv .tocCollapse.active+nav {
        display: block;
    }

    .pagination-nav {
        display: grid;
    }
}