/* Shared catalog typography and layout for references and utilities. */
.gkmdm-knowledge {
    --knowledge-ink: #202020;
    --knowledge-muted: #59616b;
    --knowledge-line: #dfe3e8;
    --knowledge-soft: #f5f6f8;
    --knowledge-accent: #ffb91f;
    color: var(--knowledge-ink);
    background: #fff;
    padding: 26px 0 64px;
    font-size: 16px;
    line-height: 1.6;
}
.gkmdm-knowledge [hidden] { display: none !important; }
.gkmdm-knowledge-container { width: 100%; max-width: 1600px; margin: 0 auto; padding: 0 24px; }
.gkmdm-knowledge-crumbs { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin: 0 0 26px; color: var(--knowledge-muted); font-size: 14px; line-height: 1.5; }
.gkmdm-knowledge a { color: var(--knowledge-ink); text-decoration: underline; text-decoration-color: #b9bec5; text-underline-offset: 4px; }
.gkmdm-knowledge a:hover { text-decoration-color: var(--knowledge-accent); }
.gkmdm-knowledge-crumbs a { color: var(--knowledge-muted); }
.gkmdm-knowledge h1 { margin: 0 0 16px; color: var(--knowledge-ink); font-size: 32px; font-weight: 700; line-height: 1.2; letter-spacing: 0; }
.gkmdm-knowledge h2 { margin: 0 0 16px; color: var(--knowledge-ink); font-size: 24px; font-weight: 700; line-height: 1.3; letter-spacing: 0; }
.gkmdm-knowledge h3 { color: var(--knowledge-ink); letter-spacing: 0; }
.gkmdm-knowledge p { margin: 0 0 16px; }
.gkmdm-knowledge :is(a, button, input, select, summary):focus-visible { outline: 2px solid #9a6800; outline-offset: 3px; }

/* Hub pages use the same open layout as the reference detail pages. */
:is(.gkmdm-marks-hero, .gkmdm-standards-hero) { padding: 0 0 24px; }
:is(.gkmdm-marks-summary, .gkmdm-standards-summary) { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; margin: 0 !important; color: var(--knowledge-muted); font-size: 14px; }
:is(.gkmdm-marks-summary, .gkmdm-standards-summary) strong { font-weight: 500; }
:is(.gkmdm-marks-tools, .gkmdm-standards-tools) { padding: 22px 0; margin-bottom: 22px; border-top: 1px solid var(--knowledge-line); border-bottom: 1px solid var(--knowledge-line); }
:is(.gkmdm-marks-tools, .gkmdm-standards-tools) > label { display: block; margin-bottom: 9px; font-size: 14px; font-weight: 600; }
:is(.gkmdm-marks-search, .gkmdm-standards-search) { display: flex; gap: 10px; max-width: 820px; }
:is(.gkmdm-marks-search, .gkmdm-standards-search) input { width: 100%; min-width: 0; height: 48px; padding: 0 14px; border: 1px solid #b9bec5; border-radius: 4px; background: #fff; color: var(--knowledge-ink); font-size: 16px; }
:is(.gkmdm-marks-search, .gkmdm-standards-search) button { flex: 0 0 auto; min-height: 48px; padding: 0 18px; border: 1px solid #b9bec5; border-radius: 4px; background: #fff; color: var(--knowledge-ink); font-weight: 600; cursor: pointer; }
:is(.gkmdm-marks-search, .gkmdm-standards-search) button:hover { background: var(--knowledge-soft); border-color: var(--knowledge-ink); }
.gkmdm-marks-group-navigation { margin-bottom: 28px; }
.gkmdm-marks-group-navigation > span { font-size: 14px; color: var(--knowledge-muted); }
.gkmdm-marks-group-navigation ul { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0; padding: 0; list-style: none; }
.gkmdm-marks-group-navigation li { margin: 0; }
.gkmdm-marks-group-navigation a { display: inline-block; padding: 5px 0; font-size: 14px; font-weight: 600; text-decoration-color: var(--knowledge-accent); }
.gkmdm-marks-groups { display: grid; gap: 38px; }
.gkmdm-marks-group { border-top: 2px solid var(--knowledge-ink); scroll-margin-top: 118px; }
.gkmdm-marks-group__head { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; padding: 20px 0 16px; }
.gkmdm-marks-group__head h2 { margin: 0; }
.gkmdm-marks-group__count { flex-shrink: 0; color: var(--knowledge-muted); font-size: 13px; }
:is(.gkmdm-marks-table-wrap, .gkmdm-standards-table-wrap) { overflow-x: auto; border-bottom: 1px solid var(--knowledge-line); }
.gkmdm-standards-table-wrap { border-top: 2px solid var(--knowledge-ink); }
:is(.gkmdm-marks-table, .gkmdm-standards-table) { width: 100%; margin: 0; border: 0; border-collapse: collapse; table-layout: fixed; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) :is(th, td) { padding: 13px 16px; border: 0; border-bottom: 1px solid var(--knowledge-line); text-align: left; vertical-align: top; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) th { background: var(--knowledge-soft); color: var(--knowledge-muted); font-size: 12px; font-weight: 700; letter-spacing: .035em; line-height: 1.4; text-transform: uppercase; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) td { font-size: 15px; line-height: 1.55; overflow-wrap: break-word; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) tr:last-child td { border-bottom: 0; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) tbody tr:hover { background: #fffaf0; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) :is(th, td):first-child { width: 27%; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) :is(th, td):last-child { width: 100px; text-align: right; }
:is(.gkmdm-marks-table, .gkmdm-standards-table) td:first-child a { font-weight: 700; text-decoration-color: var(--knowledge-accent); }
:is(.gkmdm-marks-empty, .gkmdm-standards-empty) { padding: 22px 0; border-block: 1px solid var(--knowledge-line); color: var(--knowledge-muted); font-size: 15px; }
.gkmdm-standard-replaced { display: block; margin-top: 5px; color: var(--knowledge-muted); font-size: 12px; font-weight: 400; line-height: 1.5; }

@media (max-width: 767px) {
    .gkmdm-knowledge { padding: 20px 0 44px; }
    .gkmdm-knowledge-container { padding: 0 16px; }
    .gkmdm-knowledge-crumbs { font-size: 13px; margin-bottom: 22px; }
    .gkmdm-knowledge h1 { font-size: 28px; }
    .gkmdm-knowledge h2 { font-size: 22px; }
    :is(.gkmdm-marks-search, .gkmdm-standards-search) { flex-wrap: wrap; }
    :is(.gkmdm-marks-search, .gkmdm-standards-search) input { flex: 1 0 100%; }
    .gkmdm-marks-group-navigation ul { gap: 0 18px; }
    .gkmdm-marks-group-navigation a { padding: 10px 0; }
    .gkmdm-marks-group__head { flex-wrap: wrap; gap: 6px 16px; padding: 18px 0 14px; }
    .gkmdm-marks-group { scroll-margin-top: 88px; }
    :is(.gkmdm-marks-table-wrap, .gkmdm-standards-table-wrap) { overflow-x: visible; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table), :is(.gkmdm-marks-table, .gkmdm-standards-table) tbody { display: block; width: 100%; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) thead { display: none; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; width: 100%; padding: 14px 0; border-bottom: 1px solid var(--knowledge-line); }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) tr:last-child { border-bottom: 0; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td { display: block; width: auto !important; padding: 0; border: 0; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td:first-child { grid-column: 1; grid-row: 1; padding-right: 14px; font-size: 16px; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td:nth-child(2) { grid-column: 1 / -1; grid-row: 2; margin-top: 6px; color: var(--knowledge-muted); font-size: 14px; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td:nth-child(3) { grid-column: 2; grid-row: 1; color: var(--knowledge-muted); font-size: 14px; text-align: right; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td:nth-child(2)::before { content: attr(data-label); display: block; margin-bottom: 2px; font-size: 11px; text-transform: uppercase; }
    :is(.gkmdm-marks-table, .gkmdm-standards-table) td:nth-child(3)::after { content: ' поз.'; font-size: 12px; }
}
@media print {
    .gkmdm-knowledge { padding: 0; }
    .gkmdm-knowledge-container { max-width: none; padding: 0; }
}