:root {
  --bg: #0b1014;
  --bg-subtle: #11171c;
  --bg-panel: #141b21;
  --bg-panel-2: #182128;
  --bg-code: #10171d;
  --border: #26333d;
  --border-soft: #1d2831;
  --text: #cad7df;
  --text-muted: #93a5b1;
  --text-dim: #70818c;
  --heading: #f4fbff;
  --accent: #57ddd1;
  --accent-strong: #20cfc2;
  --accent-soft: rgba(87, 221, 209, 0.1);
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.24);
  --radius-sm: 6px;
  --radius-md: 10px;
}

html,
body {
  background: var(--bg);
}

body {
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  letter-spacing: 0.01em;
}

.book {
  background:
    radial-gradient(circle at top right, rgba(87, 221, 209, 0.08), transparent 26%),
    linear-gradient(180deg, #0b1014 0%, #0d1217 100%);
}

.book.with-summary {
  overflow: hidden;
}

.book .book-summary {
  background: linear-gradient(180deg, #0f151a 0%, #11181d 100%);
  border-right: 1px solid var(--border-soft);
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.book .book-summary nav {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 18px 0 28px;
}

.book .book-summary nav::-webkit-scrollbar {
  width: 8px;
}

.book .book-summary nav::-webkit-scrollbar-track {
  background: transparent;
}

.book .book-summary nav::-webkit-scrollbar-thumb {
  background: #23313a;
  border-radius: 999px;
}

.book .book-summary ul.summary {
  padding: 0 12px 30px;
}

.book .book-summary ul.summary li.divider {
  display: none;
}

.book .book-summary ul.summary li a,
.book .book-summary ul.summary li span {
  color: var(--text-muted);
  font-size: 1.24rem;
  line-height: 1.55;
  margin: 1px 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition:
    color 140ms ease,
    background-color 140ms ease;
}

.book .book-summary ul.summary li a:hover {
  color: var(--heading);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
}

.book .book-summary ul.summary > li.chapter > a {
  color: var(--heading);
  font-size: 1.42rem;
  font-weight: 700;
  margin-top: 8px;
}

.book .book-summary ul.summary > li.chapter > ul > li.chapter > a {
  color: var(--text);
  font-size: 1.26rem;
  font-weight: 600;
  margin-top: 10px;
}

.book .book-summary ul.summary li.active > a {
  color: var(--accent);
  background: linear-gradient(90deg, rgba(87, 221, 209, 0.12), rgba(87, 221, 209, 0.04));
}

.book .book-summary ul.summary li ul {
  padding-left: 14px;
}

.book .book-body {
  background:
    radial-gradient(circle at top left, rgba(87, 221, 209, 0.05), transparent 24%),
    linear-gradient(180deg, #0c1216 0%, #0d1318 100%);
  color: var(--text);
}

.book .book-body .body-inner,
.book .book-body .page-wrapper {
  background: transparent;
}

.book .book-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  width: 100%;
  padding: 0 28px;
  background: rgba(15, 21, 26, 0.94);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(14px);
  z-index: 12;
}

.book .book-header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  min-width: 0;
  position: relative;
}

.sof-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.sof-brand:hover,
.sof-brand:focus {
  color: var(--heading);
  text-decoration: none;
}

.sof-brand-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  box-shadow: inset 0 0 0 3px rgba(87, 221, 209, 0.12);
  transform: rotate(45deg);
}

.book-top-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 0 1 auto;
  min-width: 0;
  margin-left: 0;
}

.book-top-nav a {
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  font-size: 1.4rem;
  font-weight: 500;
  padding: 20px 12px 18px;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color 140ms ease,
    border-color 140ms ease;
}

.book-top-nav a:hover {
  color: var(--heading);
}

.book-top-nav a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.book-header-search {
  flex: 0 1 340px;
  min-width: 220px;
  max-width: 360px;
}

.book-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid #31414b;
  border-radius: var(--radius-sm);
  background: #162028;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  color: #d7e6ec;
  cursor: pointer;
}

.book-mobile-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

#book-search-input {
  background: transparent;
  border: none;
  margin: 0;
  padding: 0;
}

#book-search-input input,
#book-search-input input:focus,
#book-search-input input:hover {
  width: 100%;
  height: 42px;
  background: linear-gradient(180deg, #151d23 0%, #131a20 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
  color: var(--text);
  padding: 0 14px;
}

#book-search-input input::placeholder {
  color: var(--text-dim);
}

.book .book-header > .btn {
  order: 3;
  min-width: 40px;
  height: 40px;
  line-height: 40px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #131a20;
  margin-left: 0;
}

.book .book-header > .btn:hover {
  color: var(--accent);
  background: #171f26;
}

.book .book-header > .font-settings {
  display: none;
}

.book-header-page-title {
  display: none;
}

.book .book-body .page-wrapper .page-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 34px 48px 64px;
}

.page-shell {
  position: relative;
  min-height: 100%;
}

.page-shell.has-knob-tables .page-content {
  max-width: 920px;
}

.page-content {
  max-width: 760px;
  margin: 0 auto;
  min-width: 0;
}

.site-footer {
  margin-top: 40px;
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 0 0;
  border-top: 1px solid var(--border-soft);
  text-align: center;
}

.site-footer-copy,
.site-footer-link {
  color: var(--text-dim);
  font-size: 1.28rem;
  line-height: 1.5;
}

.site-footer-copy {
  margin: 0;
}

.site-footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: color 140ms ease;
}

.site-footer-link .fa {
  font-size: 1.5rem;
}

.site-footer-link:hover,
.site-footer-link:focus {
  color: var(--accent);
}

.diagram-lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.diagram-lightbox[hidden] {
  display: none;
}

.diagram-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 11, 0.84);
  backdrop-filter: blur(6px);
}

.diagram-lightbox-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min(92vw, 1380px);
  height: min(88vh, 980px);
  margin: min(6vh, 54px) auto 0;
  padding: 28px;
  background: linear-gradient(180deg, #10171d 0%, #0f151a 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
}

.diagram-lightbox-header {
  width: 100%;
  padding: 0 64px 20px;
  text-align: center;
}

.diagram-lightbox-title {
  margin: 0;
  color: var(--heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.diagram-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #141b21;
  color: var(--text-muted);
  cursor: pointer;
  transition:
    color 140ms ease,
    border-color 140ms ease,
    background-color 140ms ease;
}

.diagram-lightbox-close:hover,
.diagram-lightbox-close:focus {
  color: var(--accent);
  border-color: #31515d;
  background: #182128;
}

.diagram-lightbox-stage {
  display: flex;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  overflow: auto;
}

.diagram-lightbox-stage svg {
  flex: 0 0 auto;
  display: block;
  min-width: 920px;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.diagram-lightbox-open {
  overflow: hidden;
}

.page-toc {
  position: absolute;
  left: calc(50% + 430px);
  top: 94px;
  width: 220px;
}

.page-shell.has-knob-tables .page-toc {
  left: calc(50% + 510px);
}

.page-toc.is-empty {
  display: none;
}

.page-toc-inner {
  padding-top: 16px;
}

.page-toc-label {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 600;
}

.page-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-toc-nav a {
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  font-size: 1.35rem;
  line-height: 1.5;
  padding-left: 12px;
  text-decoration: none;
  transition:
    color 140ms ease,
    border-color 140ms ease;
}

.page-toc-nav a:hover {
  color: var(--heading);
}

.page-toc-nav a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.page-toc-nav a.toc-depth-3 {
  margin-left: 12px;
  font-size: 1.28rem;
}

.markdown-section {
  color: var(--text);
  font-size: 1.65rem;
  line-height: 1.7;
}

.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4 {
  color: var(--heading);
  letter-spacing: -0.01em;
}

.markdown-section h1 {
  font-size: 4.4rem;
  font-weight: 700;
  margin-bottom: 0.85em;
  padding-bottom: 0.32em;
  border-bottom: 1px solid rgba(87, 221, 209, 0.45);
}

.markdown-section h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-top: 1.9em;
  margin-bottom: 0.55em;
}

.markdown-section h3 {
  font-size: 2.2rem;
  font-weight: 650;
  margin-top: 1.5em;
  margin-bottom: 0.45em;
}

.markdown-section p,
.markdown-section li,
.markdown-section blockquote,
.markdown-section td,
.markdown-section th {
  color: var(--text);
  overflow-wrap: anywhere;
}

.markdown-section a {
  color: var(--accent);
}

.markdown-section a:hover {
  color: #95fff7;
}

.markdown-section strong {
  color: var(--heading);
}

.markdown-section ul li::marker,
.markdown-section ol li::marker {
  color: var(--accent);
}

.markdown-section hr {
  background: rgba(87, 221, 209, 0.16);
}

.markdown-section code,
.markdown-section pre {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.markdown-section code {
  color: #a9fff7;
  background: rgba(87, 221, 209, 0.12);
  border-radius: 4px;
}

.markdown-section pre {
  background: linear-gradient(180deg, #11181e 0%, #10161b 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  color: var(--text);
  overflow-x: auto;
}

.markdown-section .mermaid-shell {
  position: relative;
  margin: 1.4em 0 1.6em;
  padding: 18px 18px 12px;
  background: linear-gradient(180deg, #11181e 0%, #10161b 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
}

.markdown-section .mermaid-zoom-button {
  position: sticky;
  top: 0;
  left: calc(100% - 42px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(20, 27, 33, 0.92);
  color: var(--text-muted);
  cursor: pointer;
  z-index: 1;
  transition:
    color 140ms ease,
    border-color 140ms ease,
    background-color 140ms ease;
}

.markdown-section .mermaid-zoom-button:hover,
.markdown-section .mermaid-zoom-button:focus {
  color: var(--accent);
  border-color: #31515d;
  background: rgba(18, 32, 41, 0.96);
}

.markdown-section .mermaid {
  min-width: 620px;
}

.markdown-section .mermaid svg {
  display: block;
  width: 100%;
  height: auto;
}

.markdown-section blockquote {
  background: rgba(87, 221, 209, 0.05);
  border-left: 3px solid var(--accent-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding-top: 10px;
  padding-bottom: 10px;
}

.markdown-section table {
  width: 100%;
  color: var(--text);
  border-collapse: separate;
  border-spacing: 0;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.markdown-section table th,
.markdown-section table td {
  background: #12191f;
  border-color: #29414d;
}

.markdown-section table th {
  background: #122029;
  color: var(--heading);
}

.markdown-section table tr:nth-child(2n) td {
  background: #141d24;
}

.markdown-section table thead tr:first-child th:first-child {
  border-top-left-radius: var(--radius-md);
}

.markdown-section table thead tr:first-child th:last-child {
  border-top-right-radius: var(--radius-md);
}

.markdown-section table tbody tr:last-child td:first-child {
  border-bottom-left-radius: var(--radius-md);
}

.markdown-section table tbody tr:last-child td:last-child {
  border-bottom-right-radius: var(--radius-md);
}

.markdown-section table.knob-table {
  display: table;
  width: 1120px;
  max-width: none;
  table-layout: fixed;
}

.markdown-section .knob-table-wrap {
  margin: 0 0 1.2em;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

.markdown-section .knob-table-wrap table.knob-table {
  margin-bottom: 0;
}

.markdown-section table.knob-table th,
.markdown-section table.knob-table td {
  hyphens: manual;
  overflow-wrap: anywhere;
  vertical-align: top;
  word-break: normal;
}

.markdown-section table.knob-table th:nth-child(1),
.markdown-section table.knob-table td:nth-child(1) {
  width: 31%;
}

.markdown-section table.knob-table th:nth-child(2),
.markdown-section table.knob-table td:nth-child(2) {
  width: 16%;
}

.markdown-section table.knob-table th:nth-child(3),
.markdown-section table.knob-table td:nth-child(3) {
  width: 16%;
}

.markdown-section table.knob-table th:nth-child(4),
.markdown-section table.knob-table td:nth-child(4) {
  width: 37%;
}

.markdown-section table.knob-table td code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.page-inner .btn-group .btn,
.button,
.dropdown-menu {
  background: #141b21;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.dropdown-menu {
  box-shadow: var(--shadow-soft);
}

.dropdown-menu .buttons,
.dropdown-menu .buttons:last-child {
  border-bottom-color: var(--border);
}

.dropdown-menu .dropdown-caret .caret-outer {
  border-bottom-color: rgba(38, 51, 61, 0.96);
}

.dropdown-menu .dropdown-caret .caret-inner {
  border-bottom-color: #141b21;
}

.dropdown-menu .buttons .button {
  color: var(--text-muted);
  background: transparent;
}

.dropdown-menu .buttons .button:hover,
.button:hover {
  color: var(--accent);
}

.navigation {
  color: rgba(202, 215, 223, 0.8);
}

.navigation:hover {
  color: var(--accent);
}

.book .navigation.navigation-next,
.book .navigation.navigation-prev {
  text-shadow: none;
}

.book .navigation.navigation-next {
  right: 10px;
}

.book .navigation.navigation-prev {
  left: 10px;
}

#book-search-results .search-results .search-results-title,
#book-search-results .search-results .has-results .search-results-item,
#book-search-results .search-results .has-results .search-results-item a,
#book-search-results .search-results .has-results .search-results-item p {
  color: var(--text);
}

#book-search-results .search-results .has-results .search-results-item code,
#book-search-results .search-results .has-results .search-results-item pre,
#book-search-results .search-results .has-results .search-results-item table tr {
  background: #141b21;
  color: var(--text);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #0d1217;
}

::-webkit-scrollbar-thumb {
  background: #24333c;
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2e4753;
}

@media screen and (min-width: 961px) {
  .book .book-summary {
    position: fixed;
    top: 64px;
    left: -280px;
    width: 280px;
    bottom: 0;
  }

  .book.with-summary .book-summary {
    left: 0;
  }

  .book .book-body {
    left: 0;
  }

  .book.with-summary .book-body {
    left: 0;
  }

  .book.with-summary .book-body .page-wrapper {
    margin-left: 280px;
  }

  .book .book-header {
    left: 0;
    right: 0;
    height: 64px;
  }

  .book .book-header .btn.pull-left + .btn.pull-left {
    display: inline-flex;
  }

  .navigation {
    display: none;
  }
}

@media screen and (min-width: 1201px) {
  .book-top-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    justify-content: center;
    width: max-content;
    max-width: min(52vw, 760px);
  }
}

@media screen and (max-width: 1180px) {
  .page-toc {
    display: none;
  }
}

@media screen and (max-width: 1200px) {
  .book .book-header {
    padding: 0 16px;
  }

  .book-top-nav {
    display: none;
  }

  .book-header-search {
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
  }

  .book .book-header > .font-settings {
    display: none;
  }
}

@media screen and (max-width: 960px) {
  .book {
    background: #0d1318;
  }

  .book.with-summary {
    overflow: hidden;
  }

  .book.with-summary::after {
    content: "";
    position: fixed;
    inset: 64px 0 0;
    background: rgba(3, 6, 8, 0.78);
    backdrop-filter: blur(3px);
    z-index: 8;
  }

  .book .book-summary {
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    width: min(82vw, 320px);
    max-width: 320px;
    border-right: 1px solid var(--border);
    box-shadow: 24px 0 48px rgba(0, 0, 0, 0.34);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    z-index: 9;
  }

  .book.with-summary .book-summary {
    left: 0;
    transform: translateX(0);
  }

  .book .book-summary nav {
    padding: 18px 0 40px;
  }

  .book .book-body,
  .book.with-summary .book-body {
    left: 0;
    width: 100%;
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
  }

  .book.with-summary .book-body .page-wrapper {
    margin-left: 0;
  }

  .book.with-summary .book-body {
    overflow: hidden;
  }

  .book .book-header {
    padding: 0 16px;
  }

  .book-top-nav {
    display: none;
  }

  .book-header-search {
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
  }

  .book-mobile-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    margin-left: 8px;
  }

  .book .book-header > .btn,
  .book .book-header > .font-settings {
    display: none;
  }

  .book .book-body .page-wrapper .page-inner {
    padding: 28px 26px 48px;
  }

  .markdown-section h1 {
    font-size: 3.6rem;
  }
}

@media screen and (max-width: 700px) {
  .book.with-summary::after {
    inset: 0;
    background: rgba(3, 6, 8, 0.82);
    backdrop-filter: blur(4px);
  }

  .book .book-summary {
    top: 0;
    width: min(86vw, 320px);
  }

  .book.with-summary .body-inner {
    filter: blur(1.2px) brightness(0.62);
  }

  .sof-brand {
    position: absolute;
    top: 12px;
    left: 50%;
    gap: 0;
    font-size: 1.7rem;
    transform: translateX(-50%);
    z-index: 1;
  }

  .sof-brand-text {
    display: none;
  }

  .book-header-inner {
    position: relative;
    flex-wrap: wrap;
    gap: 12px 12px;
    justify-content: flex-end;
    padding-top: 54px;
    width: 100%;
  }

  .book .book-header {
    align-items: flex-start;
    height: auto;
    min-height: auto;
    padding: 10px 12px;
    gap: 10px;
  }

  .book-mobile-toggle {
    position: absolute;
    top: 6px;
    right: 0;
    margin-left: 0;
    z-index: 2;
  }

  .book-header-search {
    flex: 1 1 100%;
    order: 10;
    max-width: none;
    min-width: 0;
    width: 100%;
  }

  #book-search-input input,
  #book-search-input input:focus,
  #book-search-input input:hover {
    height: 38px;
  }

  .book .book-body .page-wrapper .page-inner {
    padding: 20px 16px 32px;
  }

  .page-content {
    max-width: none;
    width: 100%;
  }

  .site-footer {
    margin-top: 28px;
  }

  .site-footer-inner {
    max-width: none;
    width: 100%;
    padding-top: 14px;
  }

  .markdown-section {
    font-size: 1.55rem;
  }

  .markdown-section h1 {
    font-size: 3rem;
  }

  .markdown-section h2 {
    font-size: 2.5rem;
  }

  .markdown-section h3 {
    font-size: 2rem;
  }

  .markdown-section pre,
  .markdown-section table {
    max-width: 100%;
  }

  .markdown-section .mermaid-shell {
    padding: 12px 12px 8px;
  }

  .markdown-section .mermaid {
    min-width: 500px;
  }

  .diagram-lightbox-dialog {
    width: calc(100vw - 24px);
    height: calc(100vh - 24px);
    margin: 12px auto 0;
    padding: 18px 14px 14px;
  }

  .diagram-lightbox-header {
    padding: 0 52px 14px;
  }

  .diagram-lightbox-title {
    font-size: 1.7rem;
  }

  .diagram-lightbox-stage svg {
    min-width: 680px;
  }

  .navigation {
    display: none;
  }
}

@media screen and (max-width: 900px) {
  .markdown-section .knob-table-wrap {
    overflow: visible;
  }

  .markdown-section table.knob-table {
    display: block;
    min-width: 0;
    width: 100%;
  }

  .markdown-section table.knob-table thead {
    display: none;
  }

  .markdown-section table.knob-table tbody {
    display: block;
  }

  .markdown-section table.knob-table tr {
    display: block;
    margin-bottom: 14px;
    border: 1px solid #29414d;
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  .markdown-section table.knob-table td {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    width: 100%;
    border: 0;
    border-top: 1px solid #29414d;
    padding: 12px 14px;
  }

  .markdown-section table.knob-table td:first-child {
    border-top: 0;
  }

  .markdown-section table.knob-table td::before {
    content: attr(data-label);
    color: var(--text-dim);
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .markdown-section table.knob-table td:nth-child(1),
  .markdown-section table.knob-table td:nth-child(2),
  .markdown-section table.knob-table td:nth-child(3),
  .markdown-section table.knob-table td:nth-child(4) {
    width: 100%;
  }

  .markdown-section table.knob-table td:nth-child(2),
  .markdown-section table.knob-table td:nth-child(2) code {
    white-space: normal;
  }
}

@media screen and (max-width: 480px) {
  .book .book-header {
    padding: 8px 10px;
  }

  .book .book-body .page-wrapper .page-inner {
    padding: 18px 12px 28px;
  }

  .site-footer-inner {
    align-items: center;
    flex-direction: column;
    gap: 8px;
  }

  .markdown-section {
    font-size: 1.48rem;
    line-height: 1.65;
  }

  .markdown-section h1 {
    font-size: 2.6rem;
  }

  .markdown-section h2 {
    font-size: 2.15rem;
  }

  .markdown-section h3 {
    font-size: 1.82rem;
  }
}