.manual-article-viewer {
  margin-bottom: 24px;
}
/* Article shell: desktop places actions under lead; TOC sticky sidebar; body right.
   Mobile flattens to intro → [Contents|Save|Download] → body (no TOC strip). */
.manual-article-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  column-gap: 32px;
  row-gap: 16px;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: start;
  margin-bottom: 32px;
}
.manual-article-shell > .manual-product-header,
.manual-article-shell > .manual-article-viewer,
.manual-article-shell .manual-article,
.manual-article-shell .manual-article-controls,
.manual-article-shell .manual-product-header__content {
  display: contents;
}
.manual-article-shell .manual-product-header__media {
  grid-column: 1;
  grid-row: 1 / span 2;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}
.manual-article-shell .manual-product-header__lead {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}
.manual-article-shell .manual-actions-wrap {
  grid-column: 2;
  grid-row: 2;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
  margin: 0;
  width: 100%;
}
.manual-article-shell .article-toc {
  grid-column: 1;
  grid-row: 3;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  font-size: 14px;
  line-height: 1.4;
  min-width: 0;
  -ms-flex-item-align: start;
  align-self: start;
  margin-top: 16px; /* + row-gap ≈ former header margin-bottom before article */
}
.manual-article-shell .article-body {
  grid-column: 2;
  grid-row: 3;
  min-width: 0;
  margin-top: 16px;
}
.manual-article-shell--no-thumb .manual-product-header__lead,
.manual-article-shell--no-thumb .manual-actions-wrap {
  grid-column: 1 / -1;
}
.manual-article-shell--no-lead:not(.manual-article-shell--no-thumb) .manual-product-header__media {
  grid-row: 1 / span 2;
}
.manual-article-shell--no-lead:not(.manual-article-shell--no-thumb) .manual-actions-wrap {
  grid-column: 2;
  grid-row: 1 / span 2;
  -ms-flex-item-align: center;
  align-self: center;
  width: auto;
}
.manual-article-shell--no-lead.manual-article-shell--no-thumb .manual-actions-wrap {
  grid-column: 1 / -1;
  grid-row: 1;
}
.manual-article-shell--no-lead.manual-article-shell--no-thumb .article-toc,
.manual-article-shell--no-lead.manual-article-shell--no-thumb .article-body {
  grid-row: 2;
}
.manual-product-header__media img {
  width: 220px;
  -o-object-fit: contain;
  object-fit: contain;
  padding: 20px;
  background-color: #fff;
  border-radius: 6px;
  max-height: 280px;
}
.manual-product-header__lead {
  font-size: 18px;
  line-height: 1.36;
  color: var(--text);
}
.manual-product-header__lead p {
  margin: 0;
}
.manual-product-header__lead p + p,
.manual-product-header__lead > div p + p {
  margin-top: 0.5em;
}
.manual-article .article-toc ul {
  margin: 0;
  padding-left: 1.1em;
  list-style: none;
}
.manual-article .article-toc li {
  margin-bottom: 8px;
}
.manual-article .article-toc a {
  display: block;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}
.manual-article .article-toc a:hover {
  color: var(--accent);
}
/* Full tree always visible; highlight the matching link only (no branch accordion). */
.manual-article .article-toc .article-toc__chapters > li > ul {
  margin-top: 6px;
}
.manual-article .article-toc a.is-active {
  color: var(--accent);
  font-weight: 600;
}
.manual-article .article-toc .article-toc__panel {
  margin: 0;
}
/* Imported heading superseded by <summary> / sticky sidebar list. */
.manual-article .article-toc .article-toc__title {
  display: none;
}
/* Desktop: chapters visible without open attr (no-JS); summary hidden. */
.manual-article .article-toc .article-toc__summary {
  display: none;
  list-style: none;
}
.manual-article .article-toc .article-toc__summary::-webkit-details-marker,
.manual-article .article-toc .article-toc__summary::marker {
  display: none;
  content: "";
}
.manual-article .article-toc .article-toc__panel > .article-toc__chapters {
  display: block;
}
.manual-article .article-body {
  min-width: 0;
  font-size: 16px;
  line-height: 1.55;
  color: #3d3d3d;
}
.manual-article .article-body h2,
.manual-article .article-body h3 {
  color: var(--black);
  font-weight: 700;
  margin: 1.5em 0 0.75em;
}
.manual-article .article-body h2 {
  font-size: 22px;
}
.manual-article .article-body h3 {
  font-size: 18px;
}
.manual-article .article-body h4,
.manual-article .article-body h5,
.manual-article .article-body h6 {
  color: var(--black);
  font-weight: 700;
  margin: 1.25em 0 0.5em;
}
.manual-article .article-body h4 {
  font-size: 16px;
}
.manual-article .article-body h5 {
  font-size: 15px;
}
.manual-article .article-body h6 {
  font-size: 14px;
}
/* Theme * { font: inherit } wipes UA emphasis; restore PDF-extracted semantics. */
.manual-article .article-body strong,
.manual-article .article-body b,
.manual-article .article-body th {
  font-weight: 700;
}
.manual-article .article-body em,
.manual-article .article-body i,
.manual-article .article-body cite,
.manual-article .article-body dfn,
.manual-article .article-body var {
  font-style: italic;
}
.manual-article .article-body u,
.manual-article .article-body ins {
  text-decoration: underline;
}
.manual-article .article-body s,
.manual-article .article-body strike,
.manual-article .article-body del {
  text-decoration: line-through;
}
.manual-article .article-body small {
  font-size: 0.875em;
}
.manual-article .article-body mark {
  background: #fff3a3;
  color: inherit;
}
.manual-article .article-body sub,
.manual-article .article-body sup {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
.manual-article .article-body sub {
  bottom: -0.25em;
}
.manual-article .article-body sup {
  top: -0.5em;
}
.manual-article .article-body code,
.manual-article .article-body kbd,
.manual-article .article-body samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}
.manual-article .article-body pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
  line-height: 1.45;
  overflow-x: auto;
  padding: 12px 14px;
  margin: 0 0 12px;
  background: #f5f6f8;
  border-radius: 4px;
  white-space: pre-wrap;
}
.manual-article .article-body a {
  color: var(--accent);
  text-decoration: underline;
}
.manual-article .article-body blockquote {
  margin: 16px 0;
  padding: 4px 0 4px 16px;
  border-left: 4px solid #e8e8e8;
}
.manual-article .article-body hr {
  border-top: 1px solid #e8e8e8;
  margin: 16px 0;
}
.manual-article .article-body figcaption {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
  margin-top: 8px;
}
.manual-article .article-body abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}
.manual-article .article-body p,
.manual-article .article-body ol,
.manual-article .article-body ul {
  margin: 0 0 12px;
}
.manual-article .article-body ul,
.manual-article .article-body ol {
  padding-left: 1.5em;
}
.manual-article .article-body ul {
  list-style: disc;
}
.manual-article .article-body ol {
  list-style: decimal;
}
.manual-article .article-body li {
  list-style: inherit;
  margin-bottom: 4px;
}
.manual-article .article-body li > ul,
.manual-article .article-body li > ol {
  margin-bottom: 0;
}
.manual-article .article-body ul ul {
  list-style: circle;
}
.manual-article .article-body ul ul ul {
  list-style: square;
}
.manual-article .article-body .article-chapter,
.manual-article .article-body .article-section {
  scroll-margin-top: 16px;
}
.manual-article .article-body figure {
  margin: 16px 0;
}
.manual-article .article-body figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid #e8e8e8;
  border-radius: 6px;
  background: #fff;
  padding: 6px;
}
.manual-article .article-body .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
}
.manual-article .article-body .table-wrap table {
  margin: 0;
}
.manual-article .article-body table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  margin: 16px 0;
}
.manual-article .article-body th,
.manual-article .article-body td {
  border: 1px solid #ddd;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.manual-article .article-body thead th {
  background: #f5f6f8;
}
.manual-article .callout {
  border-left: 4px solid var(--accent);
  background: #f7f8ff;
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 4px;
}
.manual-article .callout .callout-label {
  font-weight: 700;
  color: var(--accent);
  margin-right: 0.4em;
}
.manual-article .callout.warning {
  border-left-color: #e67e22;
  background: #fff8f0;
}
.manual-article .callout.warning .callout-label {
  color: #e67e22;
}
@media (max-width: 1015px) {
  .manual-article-shell {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 10px;
    row-gap: 12px;
    margin-bottom: 24px;
  }
  .manual-article-shell .manual-product-header__media {
    grid-row: 1;
  }
  .manual-article-shell .manual-product-header__lead {
    grid-row: 1;
  }
  .manual-article-shell .manual-product-header__media img {
    width: 88px;
    height: 88px;
    padding: 4px;
    border-radius: 5px;
  }
  .manual-article-shell .manual-product-header__lead {
    font-size: 14px;
  }
  /*
   * Mobile controls row: no display:contents on <details>/<nav> — WebKit
   * drops <summary> from the render tree when ancestors use contents.
   */
  .manual-article-shell .manual-article-controls {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 12px;
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .manual-article-shell .article-toc {
    display: block;
    position: static;
    max-height: none;
    overflow: visible;
    -webkit-box-flex: 0;
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
    margin: 0;
    padding: 0;
    border: 0;
  }
  .manual-article .article-toc .article-toc__panel {
    display: block;
    margin: 0;
  }
  .manual-article .article-toc .article-toc__summary {
    display: -webkit-inline-box !important;
    display: -ms-inline-flexbox !important;
    display: inline-flex !important;
  }
  .manual-article-shell .manual-actions-wrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 12px;
    grid-column: auto;
    grid-row: auto;
    width: auto;
    margin: 0;
    -webkit-box-flex: 0;
    -ms-flex: 0 1 auto;
    flex: 0 1 auto;
  }
  /* Closed-by-default in markup; override desktop force-show. */
  .manual-article .article-toc .article-toc__panel > .article-toc__chapters {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 5;
    max-height: min(60vh, 420px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    margin: 0;
    padding: 12px 16px 16px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    background: #fff;
    -webkit-box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  .manual-article .article-toc .article-toc__panel[open] > .article-toc__chapters {
    display: block;
  }
  .manual-article-shell .article-toc,
  .manual-article-shell .article-body {
    margin-top: 0;
  }
  .manual-article-shell .article-body {
    grid-column: 1 / -1;
    grid-row: 3;
  }
  .manual-article-shell--no-thumb {
    grid-template-columns: minmax(0, 1fr);
  }
  .manual-article-shell--no-lead:not(.manual-article-shell--no-thumb) .manual-actions-wrap,
  .manual-article-shell--no-lead:not(.manual-article-shell--no-thumb) .manual-product-header__media {
    grid-row: auto;
    -ms-flex-item-align: start;
    align-self: start;
  }
}

/* TOC summary button (also in classic manual-bookmarks.css; needed for ru1/ru2). */
.manual-toc-btn {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: var(--accent);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.2;
  cursor: pointer;
  -webkit-transition: 0.1s;
  transition: 0.1s;
}
.manual-toc-btn svg {
  -ms-flex-negative: 0;
  flex-shrink: 0;
  margin: auto;
}
.manual-toc-btn::-webkit-details-marker,
.manual-toc-btn::marker {
  display: none;
  content: "";
}
@media (max-width: 1015px) {
  .manual-toc-btn {
    padding: 12px;
    font-size: 15px;
  }
}
.manual-toc-btn:hover,
.manual-toc-btn:focus {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.article-toc__panel[open] > .manual-toc-btn {
  background: var(--accent);
  color: #fff;
}
@media (max-width: 1015px) {
  .manual-toc-btn span::after {
    content: "";
    display: inline-block;
    width: 0.4em;
    height: 0.4em;
    margin-left: 0.15em;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    vertical-align: 0.15em;
  }
  .article-toc__panel[open] > .manual-toc-btn span::after {
    -webkit-transform: rotate(-135deg);
    transform: rotate(-135deg);
    vertical-align: -0.05em;
  }
}