/* Landing layout */
.landing-hero {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg);
    border: 1px solid var(--table-border-color);
}

.landing-hero p {
    margin: 0.3rem 0 0;
    color: var(--sidebar-fg);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.filter-row input[type="search"] {
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--searchbar-border-color);
    border-radius: 4px;
    min-width: 240px;
    background: var(--searchbar-bg);
    color: var(--searchbar-fg);
}

.chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--table-border-color);
    border-radius: 999px;
    background: var(--theme-hover);
    color: var(--fg);
    cursor: pointer;
    font-size: 0.95em;
}

.chip.active {
    background: var(--theme-hover);
    border-color: var(--sidebar-active);
    color: var(--sidebar-active);
    font-weight: 600;
}

.quick-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 0.5rem 0 1rem 0;
}

.quick-links a {
    border: 1px solid var(--table-border-color);
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    background: var(--bg);
    text-decoration: none;
    color: var(--fg);
}

.quick-links a:hover {
    border-color: var(--sidebar-active);
    color: var(--links);
}

.rfc-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
}

.rfc-table th, .rfc-table td {
    border: 1px solid var(--table-border-color);
    padding: 0.45rem 0.6rem;
}

.rfc-table .rfc-updated {
    white-space: nowrap;
}

.rfc-table thead {
    background: var(--table-header-bg);
}

.rfc-table tbody tr:hover {
    background: var(--theme-hover);
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.85em;
    border: 1px solid var(--table-border-color);
    background: var(--table-alternate-bg);
    color: var(--fg);
}

.rfc-header {
    margin: 0.5rem 0 1.5rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--table-border-color);
}

.rfc-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 0.75rem 0;
}

.rfc-badges .badge {
    font-weight: 600;
    background: var(--theme-hover);
}

.badge.category-standards,
.badge.category-bcp,
.badge.category-informational,
.badge.category-experimental,
.badge.category-other {
    font-weight: 500;
}

.rfc-meta-table {
    font-size: 0.95em;
    width: 100%;
}

.rfc-meta-table-wrapper {
    width: 100%;
}

.rfc-meta-table th {
    width: 9rem;
    text-align: left;
    background: var(--table-header-bg);
    font-weight: 600;
}

.rfc-meta-table td {
    vertical-align: top;
}


/* Landing polish */
main h1 {
    text-align: left;
}

.results-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin: 0.5rem 0 0.75rem 0;
    color: var(--sidebar-fg);
    font-size: 0.95em;
}

.results-count {
    color: var(--fg);
    font-weight: 600;
}

.results-hint {
    color: var(--sidebar-fg);
    font-size: 0.9em;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--table-border-color);
    border-radius: 6px;
    background: var(--bg);
}

.table-wrap .rfc-table {
    margin: 0;
    border: none;
}

.rfc-table tbody tr:nth-child(even) {
    background: var(--table-alternate-bg);
}

.rfc-table th[data-sort] {
    cursor: pointer;
    user-select: none;
}

.rfc-table th.sorted {
    color: var(--links);
}

.rfc-table td:first-child a {
    word-break: break-word;
}

.noscript-note {
    margin-top: 0.75rem;
    color: var(--sidebar-fg);
}

@media (max-width: 900px) {
    .results-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-row input[type="search"] {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 700px) {
    #mdbook-menu-bar {
        flex-wrap: nowrap;
    }

    #mdbook-menu-bar .right-buttons {
        margin-left: auto;
    }

    #mdbook-menu-bar .menu-title {
        max-width: 40vw;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}


.menu-title-link {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-decoration: none;
    color: inherit;
}

.menu-title-link .menu-title {
    text-decoration: none;
}

.theme-typography,
body {
    font-family: "Open Sans", sans-serif;
}

code, pre, .hljs {
    font-family: "Source Code Pro", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
    margin-right: 1rem;
    font-size: 0.95em;
}

.site-nav .nav-link {
    color: var(--fg);
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    border: 0;
    font: inherit;
    padding: 0;
}

.site-nav .nav-link:hover {
    color: var(--links);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown summary {
    list-style: none;
}

.nav-dropdown summary::-webkit-details-marker {
    display: none;
}

.nav-dropdown .nav-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.35rem);
    background: var(--bg);
    border: 1px solid var(--table-border-color);
    border-radius: 6px;
    padding: 0.4rem 0.5rem;
    min-width: 10rem;
    z-index: 10;
}

.nav-dropdown[open] .nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-dropdown .nav-menu a {
    color: var(--fg);
    text-decoration: none;
    padding: 0.2rem 0.2rem;
    border-radius: 4px;
}

.nav-dropdown .nav-menu a:hover {
    background: var(--theme-hover);
    color: var(--links);
}

.back-to-top-link {
    color: var(--links);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.back-to-top-link.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.site-footer {
    margin: 2.5rem auto 1.25rem auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--table-border-color);
    color: var(--sidebar-fg);
    font-size: 0.85em;
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    max-width: var(--content-max-width);
}

.site-footer a {
    color: var(--links);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

.footer-sep {
    color: var(--sidebar-fg);
}

.on-this-page {
    margin-left: 16px;
    border-inline-start: 3px solid var(--sidebar-header-border-color);
    padding-left: 8px;
    margin-top: 0.4rem;
    font-size: 0.92em;
}

.on-this-page::before {
    content: "On this page";
    display: block;
    margin-bottom: 0.35rem;
    color: var(--sidebar-fg);
    font-weight: 600;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.on-this-page > ol {
    padding-left: 0;
}

@media (max-width: 900px) {
    .site-nav {
        display: none;
    }
}

.chapter-item > .chapter-link-wrapper > a,
.chapter-item > a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.section-toggle::before {
    content: "▸";
    display: inline-block;
    font-size: 0.9em;
    line-height: 1;
    transition: transform 0.15s ease;
}

.chapter-item.expanded > a .section-toggle::before,
.chapter-item.expanded > .chapter-link-wrapper > a .section-toggle::before {
    transform: rotate(90deg);
}

.chapter-item:not(.expanded) > ol.section {
    display: none;
}

.chapter-item:not(.expanded) + li > ol.section {
    display: none;
}

.chapter-item:not(.expanded) > .chapter-link-wrapper > a .section-toggle::before,
.chapter-item:not(.expanded) > a .section-toggle::before {
    transform: rotate(0deg);
}