:root {
  --page-bg: #eef3ea;
  --surface: #fffdf8;
  --surface-alt: #f7f7f0;
  --text: #213124;
  --muted: #5b665a;
  --heading: #18231a;
  --brand: #2e7d32;
  --brand-dark: #1f5a24;
  --accent: #6b4638;
  --border: #d7dfd2;
  --surface-border: rgba(24, 35, 26, 0.08);
  --header-bg: rgba(251, 252, 247, 0.92);
  --header-border: rgba(46, 125, 50, 0.16);
  --code-bg: #f3f4ee;
  --blockquote-bg: #f3f8f3;
  --blockquote-border: rgba(46, 125, 50, 0.4);
  --card-bg: linear-gradient(180deg, #fffef9 0%, #f4f8f1 100%);
  --card-border: rgba(24, 35, 26, 0.12);
  --card-shadow: 0 10px 26px rgba(24, 35, 26, 0.08);
  --toggle-bg: linear-gradient(180deg, #fffef9 0%, #eef5e9 100%);
  --toggle-border: rgba(46, 125, 50, 0.24);
  --toggle-color: #1f5a24;
  --toggle-hover-bg: linear-gradient(180deg, #fffef9 0%, #e5f0df 100%);
  --toggle-hover-border: rgba(31, 90, 36, 0.48);
  --nav-purpose-pill-bg: linear-gradient(180deg, #ffe6e6 0%, #ffcaca 100%);
  --nav-purpose-pill-border: rgba(185, 28, 28, 0.36);
  --nav-purpose-pill-text: #7f1d1d;
  --shadow-soft: 0 14px 40px rgba(23, 32, 56, 0.08);
  --layout-max-width: 1320px;
  --layout-fluid-width: 96vw;
  --reading-font-size: 1.02rem;
  --sidebar-left-track: clamp(228px, 17.5vw, 286px);
  --sidebar-right-track: clamp(182px, 14vw, 228px);
  --sidebar-left-track-solo: clamp(236px, 19.5vw, 304px);
  --sidebar-right-track-solo: clamp(164px, 12.2vw, 206px);
  --sidebar-tree-indent: 0.32rem;
  --sidebar-tree-indent-pad: 0.34rem;
  --sidebar-link-size: 0.88rem;
  --sidebar-link-line-height: 1.42;
  --anchor-offset: 7rem;
  --measure-prose-standard: 74ch;
  --measure-media-standard: 92ch;
  --measure-prose: var(--measure-prose-standard);
  --measure-media: var(--measure-media-standard);
}

:root[data-theme="dark"] {
  --page-bg: #101725;
  --surface: #111a2b;
  --surface-alt: #0f1a2e;
  --text: #d9e4f2;
  --muted: #abc0d7;
  --heading: #eef5ff;
  --brand: #7ed2df;
  --brand-dark: #bde7f0;
  --accent: #ffbe86;
  --border: #2c3a52;
  --surface-border: rgba(126, 210, 223, 0.2);
  --header-bg: rgba(11, 18, 31, 0.9);
  --header-border: rgba(126, 210, 223, 0.24);
  --code-bg: #1a2740;
  --blockquote-bg: #152238;
  --blockquote-border: rgba(126, 210, 223, 0.45);
  --card-bg: linear-gradient(180deg, #17243a 0%, #121d31 100%);
  --card-border: rgba(126, 210, 223, 0.22);
  --card-shadow: 0 10px 22px rgba(0, 0, 0, 0.32);
  --toggle-bg: linear-gradient(180deg, #1e2e46 0%, #18263b 100%);
  --toggle-border: rgba(126, 210, 223, 0.35);
  --toggle-color: #d3ebff;
  --toggle-hover-bg: linear-gradient(180deg, #263a59 0%, #1e2e46 100%);
  --toggle-hover-border: rgba(255, 190, 134, 0.5);
  --nav-purpose-pill-bg: linear-gradient(180deg, #5a1f2b 0%, #3b141d 100%);
  --nav-purpose-pill-border: rgba(248, 113, 113, 0.5);
  --nav-purpose-pill-text: #ffd9df;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
  --cite-chip-bg: rgba(196, 210, 232, 0.18);
  --cite-chip-border: rgba(173, 206, 243, 0.46);
  --cite-chip-text: #d7ecff;
  --cite-pop-bg: rgba(14, 22, 38, 0.97);
  --cite-pop-border: rgba(170, 202, 238, 0.24);
  --cite-pop-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

:root {
  --cite-chip-bg: rgba(46, 125, 50, 0.08);
  --cite-chip-border: rgba(46, 125, 50, 0.22);
  --cite-chip-text: #244a2b;
  --cite-pop-bg: rgba(255, 255, 255, 0.98);
  --cite-pop-border: rgba(24, 35, 26, 0.14);
  --cite-pop-shadow: 0 12px 28px rgba(24, 35, 26, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: var(--anchor-offset);
}

.article-body [id] {
  scroll-margin-top: var(--anchor-offset);
}

body {
  margin: 0;
  font-family: var(--font-body-stack);
  font-size: var(--reading-font-size);
  background:
    radial-gradient(circle at 12% 2%, rgba(46, 125, 50, 0.16) 0%, rgba(46, 125, 50, 0) 40%),
    radial-gradient(circle at 90% 22%, rgba(107, 70, 56, 0.12) 0%, rgba(107, 70, 56, 0) 37%),
    linear-gradient(180deg, #f8fbf6 0%, var(--page-bg) 56%, #e9efe3 100%);
  color: var(--text);
  line-height: 1.78;
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 2%, rgba(126, 210, 223, 0.16) 0%, rgba(126, 210, 223, 0) 40%),
    radial-gradient(circle at 90% 22%, rgba(255, 190, 134, 0.14) 0%, rgba(255, 190, 134, 0) 37%),
    linear-gradient(180deg, #0a1220 0%, var(--page-bg) 56%, #0b1322 100%);
}

.container {
  width: min(var(--layout-max-width), var(--layout-fluid-width));
  margin: 0 auto;
}

:root[data-reading-text="small"] {
  --reading-font-size: 0.94rem;
}

:root[data-reading-text="large"] {
  --reading-font-size: 1.08rem;
}

:root[data-reading-width="wide"] {
  --layout-max-width: 1440px;
  --layout-fluid-width: 98vw;
  --sidebar-left-track: clamp(220px, 16.8vw, 276px);
  --sidebar-right-track: clamp(170px, 12.8vw, 214px);
  --sidebar-left-track-solo: clamp(228px, 18vw, 292px);
  --sidebar-right-track-solo: clamp(154px, 11.6vw, 196px);
  --measure-prose: 88ch;
  --measure-media: 116ch;
}

@media (max-width: 1600px) {
  :root {
    --sidebar-left-track: clamp(214px, 19.2vw, 270px);
    --sidebar-right-track: clamp(176px, 15.2vw, 216px);
    --sidebar-left-track-solo: clamp(226px, 20.8vw, 286px);
    --sidebar-right-track-solo: clamp(158px, 13vw, 194px);
  }
}

@media (max-width: 1360px) {
  :root {
    --sidebar-left-track: clamp(198px, 21.4vw, 246px);
    --sidebar-right-track: clamp(168px, 16.4vw, 206px);
    --sidebar-left-track-solo: clamp(210px, 22.8vw, 262px);
    --sidebar-right-track-solo: clamp(152px, 13.8vw, 188px);
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--header-border);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.3rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
}

.brand-block {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.site-title {
  color: var(--brand-dark);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  letter-spacing: 0.01em;
  font-weight: 700;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: min(42rem, 92vw);
  display: inline-block;
}

.brand-lockup {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.72rem;
}

.brand-mark {
  width: 2.7rem;
  height: 2.7rem;
  display: block;
  color: var(--brand);
  flex: none;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(24, 35, 26, 0.12));
}

.brand-copy {
  display: grid;
  gap: 0.08rem;
  min-width: 0;
}

.brand-name {
  display: block;
  color: var(--accent);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-title-full,
.site-title-short {
  display: block;
  text-wrap: balance;
}

.site-tagline {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.8rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-transform: none;
  max-width: min(100%, 56rem);
  text-wrap: pretty;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-heading-stack);
  font-size: 0.85rem;
}

.site-nav a:hover {
  color: var(--brand-dark);
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-dark);
  font-size: 0.84rem;
  text-decoration: none;
  min-height: 2.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 114, 133, 0.25);
  background: linear-gradient(180deg, #ffffff 0%, #ecf9fc 100%);
}

.nav-pill:hover {
  border-color: rgba(15, 76, 92, 0.5);
  background: linear-gradient(180deg, #ffffff 0%, #dbf0f5 100%);
}

.nav-pill-button {
  font: inherit;
  cursor: pointer;
}

.topics-menu {
  position: relative;
}

.topics-menu > summary {
  list-style: none;
}

.topics-menu > summary::-webkit-details-marker {
  display: none;
}

.topics-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.42rem);
  min-width: min(24rem, 88vw);
  max-height: min(68vh, 32rem);
  overflow: auto;
  display: grid;
  gap: 0.36rem;
  padding: 0.42rem;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
  z-index: 35;
}

.topics-menu-list {
  display: grid;
  gap: 0.24rem;
}

.topics-menu-group {
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--surface);
  padding: 0.18rem 0.24rem;
}

.topics-menu-group-branch > summary {
  list-style: none;
}

.topics-menu-group-branch > summary::-webkit-details-marker {
  display: none;
}

.topics-menu-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.44rem 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  transition: background 160ms ease, color 160ms ease;
}

.topics-menu-group-summary:hover {
  background: rgba(11, 114, 133, 0.06);
}

.topics-menu-group-summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.topics-menu-group-title {
  display: inline-flex;
  align-items: center;
  gap: 0.46rem;
  min-width: 0;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
}

.topics-menu-group-title::before {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  flex: 0 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 160ms ease;
}

.topics-menu-group-branch[open] .topics-menu-group-title::before {
  transform: rotate(45deg);
}

.topics-menu-group-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.topics-menu-group-body {
  padding: 0.04rem 0.1rem 0.18rem;
}

.topics-menu-link {
  display: flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  font-size: 0.79rem;
  line-height: 1.34;
  min-height: 2.25rem;
  padding: 0.42rem 0.52rem;
  border-radius: 8px;
}

.topics-menu-link-root {
  font-weight: 700;
  font-size: 0.76rem;
}

.topics-menu-link-branch {
  justify-content: space-between;
  gap: 0.72rem;
}

.topics-menu-link-title {
  min-width: 0;
  font-weight: 700;
}

.topics-menu-link-browse {
  margin-top: 0.16rem;
  border-top: 1px solid var(--surface-border);
  padding-top: 0.62rem;
  font-weight: 700;
}

.topics-menu-sublist {
  list-style: none;
  margin: 0.18rem 0 0;
  padding: 0 0 0 0.72rem;
  border-left: 1px solid var(--surface-border);
  display: grid;
  gap: 0.06rem;
}

.topics-menu-sublist li {
  margin: 0;
}

.topics-menu-link-child {
  position: relative;
  min-height: 1.86rem;
  font-size: 0.75rem;
  color: var(--muted);
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
  padding-left: 1.18rem;
}

.topics-menu-link-child::before {
  content: "-";
  position: absolute;
  left: 0.42rem;
  top: 50%;
  transform: translateY(-50%);
  color: color-mix(in srgb, var(--muted) 76%, var(--heading) 24%);
  font-weight: 700;
}

.topics-menu-more {
  margin: 0;
  padding: 0.24rem 0.5rem 0.22rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-family: var(--font-heading-stack);
}

.topics-menu-link:hover {
  color: var(--brand-dark);
  background: rgba(11, 114, 133, 0.1);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.theme-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  min-width: 2.5rem;
  height: 2.5rem;
  min-height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.theme-toggle:hover {
  border-color: var(--toggle-hover-border);
  background: var(--toggle-hover-bg);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle .icon {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.appearance-control {
  position: relative;
  margin-bottom: 0.72rem;
}

.appearance-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  min-width: 2.5rem;
  height: 2.5rem;
  min-height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.appearance-toggle:hover {
  border-color: var(--toggle-hover-border);
  background: var(--toggle-hover-bg);
  transform: translateY(-1px);
}

.appearance-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.appearance-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.75;
}

.appearance-panel {
  position: static;
  width: 100%;
  margin-top: 0.46rem;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
  padding: 0.64rem 0.72rem 0.76rem;
  z-index: 46;
}

.appearance-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.54rem;
}

.appearance-panel-title {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.84rem;
  letter-spacing: 0.03em;
}

.appearance-hide {
  appearance: none;
  border: 1px solid var(--card-border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  line-height: 1.1;
  padding: 0.24rem 0.46rem;
  cursor: pointer;
  text-transform: lowercase;
}

.appearance-hide:hover {
  color: var(--brand-dark);
  border-color: rgba(15, 76, 92, 0.45);
}

.appearance-hide:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.appearance-group {
  margin: 0;
  padding: 0.48rem 0 0;
  border: 0;
  border-top: 1px solid var(--card-border);
}

.appearance-group + .appearance-group {
  margin-top: 0.2rem;
}

.appearance-group legend {
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.79rem;
  line-height: 1.2;
}

.appearance-group-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin-top: 0.44rem;
}

.appearance-option {
  position: relative;
  display: inline-flex;
  margin: 0;
  cursor: pointer;
}

.appearance-option input[type="radio"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.appearance-option-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.38rem 0.74rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, var(--surface-alt) 12%);
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.8rem;
  line-height: 1.2;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.appearance-option:hover .appearance-option-label {
  border-color: color-mix(in srgb, var(--card-border) 56%, var(--brand) 44%);
  color: var(--heading);
  transform: translateY(-1px);
}

.appearance-option input[type="radio"]:checked + .appearance-option-label {
  border-color: color-mix(in srgb, var(--brand) 58%, var(--accent) 42%);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 40%, var(--brand) 60%) 0%, color-mix(in srgb, var(--surface-alt) 28%, var(--accent) 72%) 100%);
  color: var(--brand-dark);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.08);
}

.appearance-option input[type="radio"]:focus-visible + .appearance-option-label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.appearance-toast {
  position: static;
  width: 100%;
  margin-top: 0.42rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  line-height: 1.3;
  padding: 0.42rem 0.56rem;
  box-shadow: var(--card-shadow);
  z-index: 47;
}

.sidebar-dock {
  position: relative;
}

.sidebar-dock-left {
  position: fixed;
  top: calc(var(--anchor-offset) + 0.55rem);
  left: max(0.35rem, calc((100vw - min(var(--layout-max-width), var(--layout-fluid-width))) / 2 + 0.38rem));
  z-index: 42;
}

.sidebar-dock-right {
  position: fixed;
  top: calc(var(--anchor-offset) + 0.55rem);
  right: max(0.35rem, calc((100vw - min(var(--layout-max-width), var(--layout-fluid-width))) / 2 + 0.38rem));
  z-index: 42;
}

.sidebar-dock::after {
  content: "";
  position: absolute;
  top: 1.24rem;
  width: 2.05rem;
  height: 2px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.sidebar-dock-left::after {
  left: calc(100% + 0.28rem);
  transform: scaleX(0.45);
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(11, 114, 133, 0.42), rgba(11, 114, 133, 0.06));
}

.sidebar-dock-right::after {
  right: calc(100% + 0.28rem);
  transform: scaleX(0.45);
  transform-origin: right center;
  background: linear-gradient(270deg, rgba(11, 114, 133, 0.42), rgba(11, 114, 133, 0.06));
}

.sidebar-dock-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  min-width: 2.5rem;
  height: 2.5rem;
  min-height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.sidebar-dock-toggle:hover {
  border-color: var(--toggle-hover-border);
  background: var(--toggle-hover-bg);
  transform: translateY(-1px);
}

.sidebar-dock-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sidebar-dock-toggle svg {
  width: 1.02rem;
  height: 1.02rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.sidebar-dock-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.42rem);
  width: min(16.5rem, 82vw);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
  padding: 0.56rem;
  z-index: 46;
}

.sidebar-dock-menu::before,
.sidebar-dock-menu::after,
.sidebar-dock-toast::before,
.sidebar-dock-toast::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}

.sidebar-dock-menu::before,
.sidebar-dock-toast::before {
  top: -8px;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 8px solid var(--card-border);
}

.sidebar-dock-menu::after {
  top: -6px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 7px solid var(--surface-alt);
}

.sidebar-dock-toast::after {
  top: -6px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 7px solid var(--surface);
}

.sidebar-dock-title {
  margin: 0 0 0.44rem;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.sidebar-dock-action {
  appearance: none;
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  line-height: 1.2;
  padding: 0.4rem 0.45rem;
  cursor: pointer;
}

.sidebar-dock-action:hover {
  color: var(--brand-dark);
  border-color: rgba(15, 76, 92, 0.45);
}

.sidebar-dock-action:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.sidebar-dock-toast {
  position: absolute;
  right: 0;
  top: calc(100% + 0.42rem);
  width: min(16.5rem, 82vw);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  line-height: 1.3;
  padding: 0.42rem 0.56rem;
  box-shadow: var(--card-shadow);
  z-index: 47;
}

.sidebar-dock-left .sidebar-dock-menu,
.sidebar-dock-left .sidebar-dock-toast {
  left: 0;
  right: auto;
}

.sidebar-dock-right .sidebar-dock-menu::before,
.sidebar-dock-right .sidebar-dock-menu::after,
.sidebar-dock-right .sidebar-dock-toast::before,
.sidebar-dock-right .sidebar-dock-toast::after {
  right: 0.88rem;
}

.sidebar-dock-left .sidebar-dock-menu::before,
.sidebar-dock-left .sidebar-dock-menu::after,
.sidebar-dock-left .sidebar-dock-toast::before,
.sidebar-dock-left .sidebar-dock-toast::after {
  left: 0.88rem;
}

body.left-sidebar-collapsed .sidebar-dock-left,
body.right-sidebar-collapsed .sidebar-dock-right {
  display: inline-flex;
  flex-direction: column;
  gap: 0.38rem;
}

body.left-sidebar-collapsed .sidebar-dock-left::after,
body.right-sidebar-collapsed .sidebar-dock-right::after {
  opacity: 1;
  transform: scaleX(1);
}

.page-content {
  padding: 1.6rem 0 2.6rem;
}

.page-content .container {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  padding: clamp(1.25rem, 2.35vw, 2.7rem);
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
}

.layout-grid-article {
  grid-template-columns: var(--sidebar-left-track) minmax(0, 1fr) var(--sidebar-right-track);
  align-items: start;
}

.layout-grid-article > .sidebar {
  order: 3;
}

.layout-grid-article > .main-content {
  order: 2;
}

.layout-grid-article > .page-tools {
  order: 1;
}

body.left-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-right-track-solo);
}

body.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: var(--sidebar-left-track-solo) minmax(0, 1fr);
}

body.left-sidebar-collapsed.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr);
}

body.left-sidebar-collapsed.right-sidebar-collapsed {
  --measure-prose: 90ch;
  --measure-media: 120ch;
}

.layout-grid-article > * {
  min-width: 0;
}

.main-content {
  min-width: 0;
}

.sidebar {
  position: sticky;
  top: calc(var(--anchor-offset) + 0.55rem);
  align-self: start;
  max-height: calc(100vh - var(--anchor-offset) - 1rem);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding: 0.95rem 0.95rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(246, 249, 252, 0.92) 100%);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

#page-sidebar {
  border-color: rgba(73, 121, 166, 0.24);
  background: linear-gradient(180deg, rgba(249, 252, 255, 0.98) 0%, rgba(239, 246, 252, 0.96) 100%);
}

body.right-sidebar-collapsed .sidebar {
  display: none;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  position: sticky;
  top: 0;
  z-index: 2;
  padding-block: 0.08rem 0.38rem;
  background: inherit;
  margin-bottom: 0.56rem;
}

.sidebar-section-title {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--nav-purpose-pill-text);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1.1;
  border: 1px solid var(--nav-purpose-pill-border);
  background: var(--nav-purpose-pill-bg);
  border-radius: 999px;
  padding: 0.26rem 0.6rem;
}

.mobile-sidebar-trigger {
  display: none;
  margin-bottom: 0.58rem;
}

.mobile-quick-nav {
  display: none;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.6rem;
}

.mobile-quick-nav .nav-pill {
  min-height: 2.3rem;
  padding: 0.42rem 0.72rem;
  font-size: 0.78rem;
}

.mobile-quick-nav .nav-pill-button[aria-expanded="true"] {
  border-color: rgba(11, 114, 133, 0.34);
  background: rgba(11, 114, 133, 0.12);
  color: var(--brand-dark);
}

.mobile-sidebar-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.72rem;
}

.mobile-sidebar-title {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar-tools {
  margin-top: 0.72rem;
  margin-bottom: 0.48rem;
}

.sidebar-tools-label {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  color: var(--muted);
}

.sidebar-filter-row {
  display: flex;
  align-items: center;
  gap: 0.48rem;
}

.sidebar-filter-row .sidebar-filter {
  flex: 1 1 auto;
}

.sidebar-filter-clear {
  flex: 0 0 auto;
  min-height: 2.16rem;
  padding-inline: 0.82rem;
}

.sidebar-filter-clear[hidden] {
  display: none !important;
}

.sidebar-tree-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
  margin-bottom: 0.16rem;
}

.sidebar-tree-btn {
  appearance: none;
  min-height: 2rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  line-height: 1.25;
  padding: 0.42rem 0.54rem;
  cursor: pointer;
}

.sidebar-tree-btn:hover {
  border-color: rgba(15, 76, 92, 0.45);
  color: var(--brand-dark);
}

.sidebar-tree-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.sidebar-hide-btn {
  text-transform: lowercase;
}

.sidebar-filter {
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 0.45rem 0.55rem;
  font-family: var(--font-heading-stack);
  font-size: 0.8rem;
}

.sidebar-filter:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.sidebar-filter-status {
  margin: 0.38rem 0 0;
  min-height: 1.1em;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  color: var(--muted);
}

.sidebar-filter-status[data-state="active"] {
  color: color-mix(in srgb, var(--brand-dark) 82%, var(--text) 18%);
}

.sidebar-filter-status[data-state="empty"] {
  color: color-mix(in srgb, var(--accent) 68%, var(--heading) 32%);
}

.sidebar-nav {
  font-family: var(--font-heading-stack);
}

.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-item + .sidebar-item {
  margin-top: 0.4rem;
}

.sidebar-item.has-children {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.28rem;
  align-items: start;
}

.sidebar-toggle {
  appearance: none;
  width: 1.35rem;
  min-width: 1.35rem;
  height: 1.35rem;
  min-height: 1.35rem;
  border-radius: 4px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  line-height: 1;
  padding: 0;
  margin-top: 0.18rem;
  cursor: pointer;
}

.sidebar-toggle:hover {
  color: var(--brand-dark);
  border-color: rgba(15, 76, 92, 0.45);
}

.sidebar-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.sidebar-item.has-children > .sidebar-link {
  grid-column: 2;
  font-weight: 600;
}

.sidebar-children {
  grid-column: 2;
  min-width: 0;
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.28s ease-out, opacity 0.22s ease;
  opacity: 1;
}

.sidebar-item.is-collapsed > .sidebar-children {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.22s ease-in, opacity 0.18s ease;
}

.sidebar-item.is-collapsed > .sidebar-toggle {
  color: var(--accent);
}

.sidebar-item a {
  display: block;
  color: var(--text);
  text-decoration: none;
  font-size: var(--sidebar-link-size);
  line-height: var(--sidebar-link-line-height);
  padding: 0.18rem 0.14rem;
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: none;
  text-wrap: pretty;
}

#page-sidebar .sidebar-item a {
  border-radius: 10px;
  padding: 0.26rem 0.4rem;
  color: color-mix(in srgb, var(--text) 84%, var(--brand-dark) 16%);
}

.sidebar-item a:hover {
  color: var(--accent);
}

#page-sidebar .sidebar-item a:hover {
  color: var(--brand-dark);
  background: rgba(11, 114, 133, 0.08);
}

.sidebar-link.is-search-match {
  border-radius: 8px;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--card-border) 62%);
  background: color-mix(in srgb, var(--accent-soft) 64%, white 36%);
  color: var(--heading);
}

.sidebar-link.is-current {
  color: var(--brand-dark);
  font-weight: 700;
  border-radius: 8px;
  background: rgba(11, 114, 133, 0.08);
  padding-left: 0.42rem;
}

#page-sidebar .sidebar-link.is-current {
  background: linear-gradient(135deg, rgba(205, 231, 255, 0.82) 0%, rgba(229, 242, 255, 0.98) 100%);
  box-shadow: inset 0 0 0 1px rgba(73, 121, 166, 0.22);
  padding-left: 0.4rem;
}

.sidebar-item.is-filtered-out {
  display: none;
}

.sidebar-list .sidebar-list {
  margin: 0.24rem 0 0.14rem var(--sidebar-tree-indent);
  padding-left: var(--sidebar-tree-indent-pad);
  border-left: 1px solid color-mix(in srgb, var(--brand) 18%, var(--surface-border) 82%);
}

#page-sidebar .sidebar-list .sidebar-list {
  border-left-color: rgba(73, 121, 166, 0.18);
}

#page-sidebar .sidebar-filter,
#page-sidebar .sidebar-tree-btn,
#page-sidebar .sidebar-toggle {
  border-color: rgba(73, 121, 166, 0.22);
  background: rgba(255, 255, 255, 0.92);
}

#page-sidebar .sidebar-item.has-children > .sidebar-link,
#page-sidebar .sidebar-toggle {
  color: var(--brand-dark);
}

.article-content {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.article-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.38rem;
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  color: var(--muted);
}

.article-breadcrumbs a {
  color: var(--brand-dark);
  text-decoration: none;
}

.article-breadcrumbs a:hover {
  color: var(--accent);
}

.article-breadcrumbs .crumb-sep {
  color: color-mix(in srgb, var(--muted) 86%, var(--text) 14%);
}

.article-breadcrumbs .breadcrumb-link,
.article-breadcrumbs .breadcrumb-current {
  display: inline;
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: normal;
  vertical-align: bottom;
}

.article-breadcrumbs .breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

.article-linear-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin-top: 0.12rem;
}

.article-linear-nav .nav-pill {
  min-height: 2.15rem;
  font-size: 0.78rem;
  max-width: 100%;
}

.mobile-page-tools {
  display: none;
  margin: 0.08rem 0 0.84rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(246, 249, 252, 0.92) 100%);
  box-shadow: var(--card-shadow);
}

.mobile-page-tools[hidden] {
  display: none !important;
}

.mobile-page-tools-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.78rem 0.84rem;
}

.mobile-page-tools-summary::-webkit-details-marker {
  display: none;
}

.mobile-page-tools-title {
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.86rem;
  font-weight: 700;
}

.mobile-page-tools-hint {
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  text-align: right;
}

.mobile-page-tools-body {
  display: grid;
  gap: 0.58rem;
  padding: 0 0.84rem 0.86rem;
}

.mobile-page-tools-actions {
  display: grid;
  gap: 0.45rem;
}

.mobile-page-toc-actions {
  margin-top: 0.52rem;
}

.mobile-page-tools-actions .nav-pill {
  width: 100%;
}

.article-hero {
  border: 1px solid rgba(11, 114, 133, 0.18);
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(233, 250, 253, 0.88) 0%, rgba(255, 244, 235, 0.76) 100%);
  padding: 1.05rem 1.15rem 1.2rem;
}

.article-hero-eyebrow {
  margin: 0 0 0.2rem;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.article-hero h1 {
  margin: 0;
  font-size: clamp(1.45rem, 2.35vw, 2.15rem);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-wrap: balance;
}

.article-hero-summary {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-hero-grid {
  display: grid;
  gap: 0.9rem;
}

.article-hero-copy {
  display: grid;
  gap: 0.72rem;
  align-content: start;
  min-width: 0;
}

.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.article-hero-stat {
  display: inline-flex;
  align-items: center;
  min-height: 1.78rem;
  padding: 0.16rem 0.62rem;
  border: 1px solid rgba(11, 114, 133, 0.16);
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  line-height: 1.2;
}

.article-hero-highlights {
  display: grid;
  gap: 0.44rem;
  padding: 0.74rem 0.82rem;
  border: 1px solid color-mix(in srgb, var(--card-border) 84%, var(--brand) 16%);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.58) 0%, rgba(245, 249, 247, 0.92) 100%);
}

.article-hero-highlights-title {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-hero-highlights-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.38rem;
}

.article-hero-highlights-list li {
  position: relative;
  margin: 0;
  padding-left: 0.98rem;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.38;
}

.article-hero-highlights-list li::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand) 72%, var(--accent) 28%);
}

.article-hero-media {
  position: relative;
  display: block;
  min-width: 0;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(11, 114, 133, 0.16);
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.18), rgba(53, 100, 194, 0.14));
  box-shadow: 0 12px 26px rgba(23, 32, 56, 0.12);
  text-decoration: none;
}

.article-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-hero-media-note {
  position: absolute;
  left: 0.78rem;
  bottom: 0.78rem;
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.18rem 0.62rem;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.62);
  color: rgba(255, 255, 255, 0.96);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  line-height: 1.2;
  backdrop-filter: blur(6px);
}

.article-branch-nav {
  margin-top: 1rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
  padding: 0.82rem 0.9rem;
}

.article-branch-head {
  margin-bottom: 0.66rem;
}

.article-branch-kicker {
  margin: 0 0 0.2rem;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.article-branch-head h2 {
  margin: 0;
  font-size: 1.02rem;
}

.article-branch-map {
  border: 1px dashed var(--card-border);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(255, 255, 255, 0.62) 100%);
  padding: 0.6rem 0.68rem;
  margin-bottom: 0.72rem;
}

.branch-map-row {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  flex-wrap: wrap;
}

.branch-map-node {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.24rem 0.56rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
  line-height: 1.2;
  max-width: min(30rem, 100%);
}

.branch-map-node-parent {
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-weight: 700;
}

.branch-map-node-current {
  border-color: rgba(11, 114, 133, 0.38);
  background: linear-gradient(180deg, #ffffff 0%, #ebf5f8 100%);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-weight: 700;
}

.branch-map-node.is-missing {
  color: var(--muted);
}

.branch-map-connector {
  width: 1.18rem;
  height: 0.18rem;
  border-radius: 999px;
  background: var(--border);
}

.branch-map-summary {
  margin-top: 0.44rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.36rem;
}

.branch-map-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  font-size: 0.74rem;
  line-height: 1.2;
}

.article-branch-graph {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(246, 251, 253, 0.92) 100%);
  padding: 0.58rem 0.62rem 0.5rem;
  margin-bottom: 0.72rem;
}


@media (max-width: 720px) {
  .article-branch-nav { padding: 0.58rem 0.62rem; }
  .article-branch-grid { grid-template-columns: minmax(0, 1fr); }
  .branch-map-row { flex-direction: column; align-items: flex-start; gap: 0.32rem; }
  .branch-map-connector { display: none; }
  .branch-map-node { max-width: 100%; font-size: 0.78rem; }
  .article-branch-graph { padding: 0.4rem; }
  .branch-graph-note { font-size: 0.68rem; }
}
.branch-graph-canvas {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(11, 114, 133, 0.18);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 246, 249, 0.86) 100%);
}

.branch-graph-edge {
  fill: none;
  stroke-width: 2;
  opacity: 0.8;
}

.branch-graph-edge-parent {
  stroke: rgba(11, 114, 133, 0.68);
}

.branch-graph-edge-sibling {
  stroke: rgba(53, 100, 194, 0.52);
}

.branch-graph-edge-child {
  stroke: rgba(158, 79, 13, 0.52);
}

.branch-graph-node rect {
  fill: var(--surface);
  stroke: var(--card-border);
  stroke-width: 1.2;
  rx: 10;
  ry: 10;
}

.branch-graph-node text {
  fill: var(--text);
  font-family: var(--font-heading-stack);
  font-size: 13px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: central;
}

.branch-graph-node-current rect {
  fill: rgba(11, 114, 133, 0.12);
  stroke: rgba(11, 114, 133, 0.5);
}

.branch-graph-node-parent rect {
  fill: rgba(53, 100, 194, 0.12);
  stroke: rgba(53, 100, 194, 0.5);
}

.branch-graph-node-sibling rect {
  fill: rgba(53, 100, 194, 0.08);
}

.branch-graph-node-child rect {
  fill: rgba(158, 79, 13, 0.1);
}

.branch-graph-anchor {
  cursor: pointer;
}

.branch-graph-anchor:hover .branch-graph-node rect,
.branch-graph-anchor:focus .branch-graph-node rect {
  stroke: rgba(15, 76, 92, 0.82);
  stroke-width: 1.8;
  filter: drop-shadow(0 0 4px rgba(11, 114, 133, 0.32));
}

.branch-graph-anchor:hover .branch-graph-node,
.branch-graph-anchor:focus .branch-graph-node {
  transform-origin: center;
  transition: transform 0.15s ease;
}

.branch-graph-anchor:hover .branch-graph-node {
  transform: scale(1.05);
}

/* Edge hover highlight via JS data-edge-for attribute */
.branch-graph-edge {
  transition: opacity 0.18s ease, stroke-width 0.18s ease;
}

.branch-graph-edge.edge-dimmed {
  opacity: 0.2;
}

.branch-graph-edge.edge-highlighted {
  opacity: 1;
  stroke-width: 3;
  filter: drop-shadow(0 0 3px rgba(11, 114, 133, 0.3));
}

.branch-graph-note {
  margin: 0.38rem 0 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.article-branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.62rem;
}

.article-branch-section {
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--surface);
  padding: 0.58rem 0.64rem;
}

.article-branch-section h3 {
  margin: 0 0 0.34rem;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.article-branch-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.44rem;
  padding: 0.06rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  font-size: 0.72rem;
  line-height: 1;
}

.article-branch-parent {
  color: var(--brand-dark);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  font-weight: 700;
}

.article-branch-parent:hover,
.article-branch-section a:hover {
  color: var(--accent);
}

.article-branch-section ul {
  margin: 0;
  padding-left: 1rem;
}

.article-branch-section li {
  margin: 0.22rem 0;
}

.article-branch-more {
  color: var(--muted);
  font-size: 0.78rem;
}

.article-branch-section a {
  color: var(--text);
  text-decoration: none;
}

.article-body > * {
  max-width: min(100%, var(--measure-prose));
  margin-left: auto;
  margin-right: auto;
}

body.page-article {
  --layout-max-width: 1380px;
  --layout-fluid-width: 95vw;
  --sidebar-left-track: clamp(228px, 17.5vw, 286px);
  --sidebar-right-track: clamp(182px, 14vw, 228px);
  --sidebar-left-track-solo: clamp(236px, 19.5vw, 304px);
  --sidebar-right-track-solo: clamp(164px, 12.2vw, 206px);
  --measure-prose: 74ch;
  --measure-image: 52rem;
  --measure-media: 72rem;
  --lead-image-max-height: clamp(20rem, 72vh, 38rem);
}

:root[data-reading-width="wide"] body.page-article {
  --layout-max-width: 1540px;
  --layout-fluid-width: 98vw;
  --measure-prose: 84ch;
  --measure-image: 58rem;
  --measure-media: 82rem;
  --lead-image-max-height: clamp(22rem, 78vh, 44rem);
}

body.page-article .page-content .container {
  padding: clamp(0.76rem, 1.2vw, 1.18rem);
}

body.page-article .article-content {
  gap: 0.82rem;
}

body.page-article .article-body > * + * {
  margin-top: 0.94rem;
}

body.page-article .article-body p,
body.page-article .article-body ul,
body.page-article .article-body ol,
body.page-article .article-body blockquote,
body.page-article .article-body pre,
body.page-article .article-body table,
body.page-article .article-body .table-scroll,
body.page-article .article-body figure {
  margin-top: 0.88rem;
  margin-bottom: 0.88rem;
}

body.page-article .article-body li {
  margin-top: 0.26rem;
  margin-bottom: 0.26rem;
}

body.page-article .article-body blockquote {
  max-width: min(100%, 60ch);
  margin-left: 0;
  margin-right: auto;
  padding: 0.88rem 1rem 0.94rem 1.08rem;
  border-left-width: 3px;
  border-radius: 0 16px 16px 0;
  background: color-mix(in srgb, var(--blockquote-bg) 82%, var(--surface) 18%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
  color: color-mix(in srgb, var(--muted) 76%, var(--heading) 24%);
  font-size: 0.98rem;
  font-style: italic;
  line-height: 1.72;
}

body.page-article .article-body blockquote p {
  margin: 0;
  color: inherit;
  font-size: inherit;
}

body.page-article .article-body blockquote p + p {
  margin-top: 0.72rem;
}

body.page-article .article-body blockquote cite {
  display: block;
  margin-top: 0.7rem;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--muted) 92%, var(--heading) 8%);
}

body.page-article .sidebar {
  padding: 0.82rem 0.84rem;
  border-radius: 13px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 96%, transparent 4%) 0%,
    color-mix(in srgb, var(--surface-alt) 92%, transparent 8%) 100%
  );
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

body.page-article #page-sidebar {
  border-color: color-mix(in srgb, var(--card-border) 78%, var(--brand) 22%);
}

body.page-article .sidebar-section-title,
body.page-article .page-tools-label {
  background: color-mix(in srgb, var(--surface) 82%, var(--brand) 18%);
  border-color: color-mix(in srgb, var(--card-border) 78%, var(--brand) 22%);
  color: color-mix(in srgb, var(--heading) 72%, var(--brand-dark) 28%);
}

body.page-article .appearance-control {
  margin-bottom: 0.58rem;
}

body.page-article .appearance-toggle,
body.page-article .sidebar-dock-toggle {
  width: 2.2rem;
  min-width: 2.2rem;
  height: 2.2rem;
  min-height: 2.2rem;
}

body.page-article .appearance-panel,
body.page-article .sidebar-dock-menu,
body.page-article .sidebar-dock-toast,
body.page-article .page-tools-card {
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

body.page-article .page-tools {
  gap: 0.5rem;
}

body.page-article .page-tools-card {
  border-radius: 11px;
  padding: 0.62rem 0.66rem;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 94%, transparent 6%) 0%,
    color-mix(in srgb, var(--surface-alt) 90%, transparent 10%) 100%
  );
}

body.page-article .page-tools-actions {
  gap: 0.38rem;
}

body.page-article .page-toc a,
body.page-article #page-sidebar .sidebar-item a {
  line-height: 1.34;
}

body.page-article .page-action-button {
  min-height: 2.28rem;
  padding: 0.46rem 0.72rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 88%, var(--brand) 12%);
  font-size: 0.78rem;
}

body.page-article .article-breadcrumbs {
  font-size: 0.74rem;
  gap: 0.32rem;
}

body.page-article .article-hero {
  border-color: color-mix(in srgb, var(--card-border) 76%, var(--brand) 24%);
  border-radius: 16px;
  background: linear-gradient(
    140deg,
    color-mix(in srgb, var(--surface) 94%, var(--brand) 6%) 0%,
    color-mix(in srgb, var(--surface) 92%, var(--accent) 8%) 100%
  );
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  padding: 0.98rem 1.06rem 1.08rem;
}

body.page-article .article-hero-grid.has-visual {
  grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.98fr);
  align-items: stretch;
}

body.page-article .article-hero-summary {
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.58;
}

body.page-article .article-hero-highlights {
  max-width: 42rem;
}

body.page-article .article-hero-media {
  width: 100%;
  max-width: min(100%, 30rem);
  min-height: 14.5rem;
  justify-self: end;
}

body.page-article .article-branch-nav,
body.page-article .related-reports {
  border-color: color-mix(in srgb, var(--card-border) 84%, var(--brand) 16%);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

body.page-article .article-branch-nav {
  margin-top: 0.88rem;
  padding: 0.76rem 0.82rem;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-alt) 90%, var(--surface) 10%) 0%,
    color-mix(in srgb, var(--surface) 96%, transparent 4%) 100%
  );
}

body.page-article .article-branch-map,
body.page-article .article-branch-graph {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 96%, transparent 4%) 0%,
    color-mix(in srgb, var(--surface-alt) 88%, transparent 12%) 100%
  );
}

body.page-article .youtube-embed-card {
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.07);
}

body.page-article .article-body > .youtube-embed-container,
body.page-article .article-body > .svg-gallery,
body.page-article .article-body > .related-reports,
body.page-article .article-body > figure,
body.page-article .article-body > .page-media-action-shell-direct,
body.page-article .article-body > p:has(> img:only-child),
body.page-article .article-body > p:has(> a:only-child > img:only-child) {
  margin-top: 1.02rem;
  margin-bottom: 1.08rem;
}

body.page-article .related-reports {
  border-radius: 16px;
  border-color: color-mix(in srgb, var(--card-border) 82%, var(--brand) 18%);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 97%, transparent 3%) 0%,
    color-mix(in srgb, var(--surface-alt) 90%, transparent 10%) 100%
  );
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

body.page-article .article-body > figure,
body.page-article .article-body > .svg-gallery {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

body.page-article .page-media-action-shell-direct {
  max-width: min(100%, var(--measure-media));
}

body.page-article .article-body > img,
body.page-article .article-body > p > img:only-child,
body.page-article .article-body > p > a:only-child > img:only-child,
body.page-article figure img,
body.page-article .svg-gallery-item img,
body.page-article .page-media-action-shell-direct > img,
body.page-article .page-media-action-shell-direct > a > img {
  border-radius: 14px;
  border-color: color-mix(in srgb, var(--surface-border) 78%, var(--brand) 22%);
  background: color-mix(in srgb, var(--surface) 92%, var(--surface-alt) 8%);
  box-shadow: 0 8px 18px rgba(23, 32, 56, 0.10);
}

body.page-article .article-body > img,
body.page-article .article-body > p > img:only-child,
body.page-article .article-body > p > a:only-child > img:only-child,
body.page-article .article-body > figure img,
body.page-article .article-body > .page-media-action-shell-direct > img,
body.page-article .article-body > .page-media-action-shell-direct > a > img {
  max-height: var(--lead-image-max-height);
}

body.page-article figure figcaption,
body.page-article .svg-gallery-item span {
  margin-top: 0.48rem;
  color: color-mix(in srgb, var(--muted) 90%, var(--heading) 10%);
  font-family: var(--font-body-stack);
  font-size: 0.8rem;
  line-height: 1.45;
}

body.page-article .svg-gallery > summary {
  padding: 0 0 0.72rem;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

body.page-article .svg-gallery-grid,
body.page-article .related-reports-grid {
  gap: 0.82rem;
}

body.page-article .svg-gallery-item {
  border-radius: 14px;
}

body.page-article .youtube-embed-container {
  margin: 1.02rem auto 1.08rem;
}

body.page-article .youtube-embed-card {
  border-radius: 16px;
  border-color: color-mix(in srgb, var(--card-border) 80%, var(--brand) 20%);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 98%, transparent 2%) 0%,
    color-mix(in srgb, var(--surface-alt) 92%, transparent 8%) 100%
  );
}

body.page-article .youtube-embed-header {
  padding: 0.72rem 0.86rem 0.6rem;
}

body.page-article .youtube-embed-frame {
  border-top-color: color-mix(in srgb, var(--card-border) 84%, var(--brand) 16%);
}

body.page-article .related-reports {
  padding: 0.84rem 0.92rem 0.92rem;
}

body.page-article .related-reports h2 {
  margin-bottom: 0.6rem;
}

body.page-article .related-reports-section h3 {
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

body.page-article .page-media-actions {
  top: 0.72rem;
  right: 0.72rem;
  gap: 0.38rem;
}

body.page-article .page-media-actions .page-action-button {
  min-width: 2.45rem;
  width: 2.45rem;
  min-height: 2.45rem;
  border-radius: 12px;
}

body.page-article .endnotes-toggle-summary {
  color: color-mix(in srgb, var(--muted) 90%, var(--heading) 10%);
  font-size: 0.8rem;
  line-height: 1.42;
}

body.page-article .endnotes-toggle-button {
  min-height: 2.18rem;
  border-color: color-mix(in srgb, var(--card-border) 74%, var(--accent) 26%);
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--surface) 84%, var(--accent) 16%) 0%,
    color-mix(in srgb, var(--surface-alt) 76%, var(--accent) 24%) 100%
  );
  color: color-mix(in srgb, var(--heading) 82%, var(--accent) 18%);
  box-shadow: 0 8px 18px rgba(23, 32, 56, 0.08);
}

body.page-article .endnotes-toggle-button:hover {
  border-color: color-mix(in srgb, var(--card-border) 60%, var(--accent) 40%);
  box-shadow: 0 10px 22px rgba(23, 32, 56, 0.10);
}

body.page-article .endnotes-entry {
  border-color: color-mix(in srgb, var(--surface-border) 78%, var(--brand) 22%);
  border-radius: 14px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 95%, transparent 5%) 0%,
    color-mix(in srgb, var(--surface-alt) 88%, transparent 12%) 100%
  );
  box-shadow: 0 6px 16px rgba(23, 32, 56, 0.05);
}

body.page-article .endnotes-entry > a[id^="endnote-"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  min-height: 1.6rem;
  margin-right: 0.18rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--card-border) 78%, var(--brand) 22%);
  background: color-mix(in srgb, var(--surface) 82%, var(--brand) 18%);
}

body.page-article .page-action-button,
body.page-article .page-action-toast,
body.page-article a.citation-chip,
body.page-article .citation-popover {
  box-shadow: 0 8px 18px rgba(23, 32, 56, 0.08);
}

body.page-article .page-action-toast {
  border-radius: 14px;
  border-color: color-mix(in srgb, var(--card-border) 82%, var(--brand) 18%);
  background: color-mix(in srgb, var(--surface) 94%, transparent 6%);
}

body.page-article a.citation-inline-link {
  border-color: color-mix(in srgb, var(--cite-chip-border) 70%, var(--brand) 30%);
  background: color-mix(in srgb, var(--surface) 84%, var(--brand) 16%);
  color: color-mix(in srgb, var(--heading) 74%, var(--brand-dark) 26%);
  text-decoration: none;
}

body.page-article a.citation-chip {
  min-height: 1.3rem;
  padding: 0.1rem 0.48rem;
  border-color: color-mix(in srgb, var(--cite-chip-border) 72%, var(--brand) 28%);
  background: color-mix(in srgb, var(--surface) 82%, var(--brand) 18%);
  color: color-mix(in srgb, var(--heading) 74%, var(--brand-dark) 26%);
  font-size: 0.64rem;
  font-weight: 600;
}

body.page-article .citation-popover {
  border-radius: 16px;
  border-color: color-mix(in srgb, var(--cite-pop-border) 76%, var(--brand) 24%);
  background: color-mix(in srgb, var(--cite-pop-bg) 96%, transparent 4%);
  padding: 0.78rem 0.82rem 0.82rem;
}

body.page-article .citation-popover-source {
  min-height: 1.32rem;
  padding: 0.06rem 0.42rem;
  font-size: 0.64rem;
  letter-spacing: 0.05em;
}

body.page-article .citation-popover-title {
  margin-top: 0.38rem;
  font-size: 0.82rem;
  line-height: 1.32;
}

body.page-article .citation-popover-snippet {
  margin-top: 0.38rem;
  padding-top: 0.38rem;
  font-size: 0.76rem;
  line-height: 1.42;
}

body.page-article .citation-popover-meta {
  margin-top: 0.4rem;
  font-size: 0.66rem;
  line-height: 1.38;
}

body.page-home {
  --layout-max-width: 1660px;
  --layout-fluid-width: 98vw;
  --measure-prose: 120ch;
  --measure-media: 150ch;
}

body.page-home .page-content .container {
  padding: clamp(1.2rem, 2.15vw, 2.45rem);
}

body.page-home .article-body > * {
  max-width: min(100%, 92rem);
}

@media (min-width: 1100px) {
  body.page-home[class*="layout-"] .container {
    width: min(1520px, 98vw);
  }

  body.page-home .article-body > .home-hero,
  body.page-home .article-body > .home-jump-links,
  body.page-home .article-body > .home-jump-overflow {
    max-width: min(100%, 46rem);
    margin-left: auto;
    margin-right: auto;
  }

  body.page-home .article-body > .home-detailed-catalog {
    max-width: min(100%, 94rem);
  }

  body.page-home .home-detailed-catalog-summary,
  body.page-home .home-detailed-catalog-body > .home-controls,
  body.page-home .home-detailed-catalog-body > .home-mode-switcher {
    width: min(100%, 46rem);
    margin-left: auto;
    margin-right: auto;
  }

  body.page-home .home-mode-panel[data-home-mode-panel="cluster"] {
    width: min(100%, 94rem);
    margin-left: auto;
    margin-right: auto;
  }

  body.page-home .home-mode-panel[data-home-mode-panel="cluster"] .home-hierarchy-band,
  body.page-home .home-mode-panel[data-home-mode-panel="cluster"] .hierarchy-graph-home,
  body.page-home .home-mode-panel[data-home-mode-panel="cluster"] .home-cluster-shell {
    width: 100%;
    max-width: none;
  }

  body.page-home .home-mode-panel:not([data-home-mode-panel="cluster"]) {
    width: min(100%, 46rem);
    margin-left: auto;
    margin-right: auto;
  }
}

body.left-sidebar-collapsed.right-sidebar-collapsed .article-body > * {
  margin-left: 0;
  margin-right: 0;
}

.article-body p,
.article-body li,
.article-body td,
.article-body th,
.article-body blockquote,
.article-body a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.article-body > img,
.article-body > .youtube-embed-container,
.article-body > .youtube-embed-container.youtube-embed-fallback,
.article-body > .svg-gallery,
.article-body > .related-reports,
.article-body > pre,
.article-body > table,
.article-body > figure,
 .article-body > p:has(> img:only-child),
.article-body > p:has(> a:only-child > img:only-child) {
  max-width: min(100%, var(--measure-image));
}

.article-body > .youtube-embed-container,
.article-body > .youtube-embed-container.youtube-embed-fallback,
.article-body > .svg-gallery,
.article-body > .related-reports,
.article-body > pre,
.article-body > table,
.article-body > .table-scroll,
.article-body > figure {
  max-width: min(100%, var(--measure-media));
}

.article-body .table-scroll {
  width: min(100%, var(--measure-media));
  overflow-x: auto;
  border: 1px solid color-mix(in srgb, var(--card-border) 78%, var(--brand) 22%);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 94%, transparent 6%);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.article-body .table-scroll table {
  width: 100%;
  min-width: 42rem;
  margin: 0;
  border-collapse: collapse;
  font-size: 0.94rem;
  line-height: 1.45;
}

.article-body .table-scroll thead th,
.article-body .table-scroll thead td {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--surface-alt) 88%, var(--surface) 12%);
}

.article-body .table-scroll th,
.article-body .table-scroll td {
  padding: 0.7rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--card-border) 74%, var(--brand) 26%);
  vertical-align: top;
  text-align: left;
}

.article-body .table-scroll tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--surface-alt) 58%, transparent 42%);
}

.article-body .table-scroll tbody tr:hover {
  background: color-mix(in srgb, var(--brand) 10%, var(--surface) 90%);
}

.article-body .table-scroll p {
  margin: 0;
}

.sort-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  line-height: inherit;
  text-align: left;
  cursor: pointer;
}

.sort-button::after {
  content: "↕";
  font-size: 0.82em;
  opacity: 0.52;
}

.sort-button[data-sort-direction="asc"]::after {
  content: "↑";
  opacity: 0.88;
}

.sort-button[data-sort-direction="desc"]::after {
  content: "↓";
  opacity: 0.88;
}

.sort-button:hover,
.sort-button:focus-visible {
  color: var(--brand-dark);
}

.sort-button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 72%, white 28%);
  outline-offset: 2px;
  border-radius: 6px;
}

.article-body > p:has(> img[src*="-Illustration-" i]:only-child),
.article-body > p:has(> a:only-child > img[src*="-Illustration-" i]:only-child),
.page-media-action-shell-direct:has(> img[src*="-Illustration-" i]),
.page-media-action-shell-direct:has(> a > img[src*="-Illustration-" i]),
.page-media-action-shell-direct:has(> img[src$=".svg" i]),
.page-media-action-shell-direct:has(> a > img[src$=".svg" i]) {
  width: min(100%, var(--measure-media));
  max-width: min(100%, var(--measure-media));
}

.page-media-action-shell-direct:has(> img[src*="-Illustration-" i]) > img,
.page-media-action-shell-direct:has(> a > img[src*="-Illustration-" i]) > a > img,
.page-media-action-shell-direct:has(> img[src$=".svg" i]) > img,
.page-media-action-shell-direct:has(> a > img[src$=".svg" i]) > a > img {
  width: 100%;
}

.article-body > p > img:only-child,
.article-body > p > a:only-child > img:only-child {
  width: 100%;
}

.article-body .endnotes-marker {
  font-family: var(--font-heading-stack);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: var(--heading);
  margin-top: 1.5rem;
}

.endnotes-entry-list {
  max-width: min(100%, var(--measure-prose));
  margin: 0 auto;
  padding-left: 1.3rem;
}

.endnotes-toggle-wrap {
  max-width: min(100%, var(--measure-prose));
  margin: 0.35rem auto 0.85rem;
}

.endnotes-toggle-wrap.endnotes-toggle-wrap-bottom {
  margin: 0.9rem auto 0.4rem;
}

body.left-sidebar-collapsed.right-sidebar-collapsed .endnotes-toggle-wrap,
body.left-sidebar-collapsed.right-sidebar-collapsed .endnotes-entry {
  margin-left: 0;
  margin-right: 0;
}

.endnotes-toggle-summary {
  margin: 0 0 0.42rem;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.35;
}

.endnotes-toggle-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  min-height: 2.35rem;
  border: 1px solid rgba(185, 28, 28, 0.34);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.94), rgba(190, 24, 93, 0.92));
  color: rgba(255, 251, 251, 0.98);
  font-family: var(--font-heading-stack);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  padding: 0.56rem 0.9rem;
  box-shadow: 0 14px 28px rgba(127, 29, 29, 0.16);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease, border-color 160ms ease;
}

.endnotes-toggle-button:hover {
  color: rgba(255, 255, 255, 1);
  border-color: rgba(153, 27, 27, 0.72);
  filter: saturate(1.05) brightness(1.02);
  box-shadow: 0 18px 34px rgba(127, 29, 29, 0.22);
  transform: translateY(-1px);
}

.endnotes-toggle-button:focus-visible {
  outline: 2px solid rgba(248, 113, 113, 0.92);
  outline-offset: 2px;
}

:root[data-theme="dark"] .endnotes-toggle-button {
  border-color: rgba(248, 113, 113, 0.38);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.96), rgba(225, 29, 72, 0.94));
  color: rgba(255, 248, 248, 0.98);
  box-shadow: 0 16px 34px rgba(38, 7, 18, 0.48);
}

:root[data-theme="dark"] .endnotes-toggle-button:hover {
  border-color: rgba(254, 202, 202, 0.44);
  box-shadow: 0 18px 40px rgba(38, 7, 18, 0.58);
}

.endnotes-entry.is-hidden-endnote {
  display: none;
}

.is-hidden-endnote-block {
  display: none !important;
}

.endnotes-entry {
  max-width: min(100%, var(--measure-prose));
  margin: 0.55rem auto;
  padding: 0.58rem 0.68rem 0.62rem;
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.58) 0%, rgba(242, 248, 255, 0.42) 100%);
}

.endnotes-entry > a[id^="endnote-"] {
  font-family: var(--font-heading-stack);
  color: var(--brand-dark);
  font-weight: 700;
  text-decoration: none;
}

:root[data-theme="dark"] .endnotes-entry {
  border-color: rgba(171, 200, 234, 0.24);
  background: linear-gradient(180deg, rgba(20, 33, 52, 0.78) 0%, rgba(16, 28, 46, 0.66) 100%);
}

:root[data-theme="dark"] #page-sidebar {
  border-color: rgba(146, 187, 227, 0.28);
  background: linear-gradient(180deg, rgba(17, 29, 47, 0.92) 0%, rgba(13, 24, 40, 0.96) 100%);
}

:root[data-theme="dark"] #page-sidebar .sidebar-item a {
  color: #d7ecff;
}

:root[data-theme="dark"] #page-sidebar .sidebar-item a:hover {
  color: #ffffff;
  background: rgba(118, 183, 255, 0.12);
}

:root[data-theme="dark"] #page-sidebar .sidebar-link.is-current {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(48, 92, 140, 0.88) 0%, rgba(34, 71, 110, 0.96) 100%);
  box-shadow: inset 0 0 0 1px rgba(167, 205, 242, 0.18);
}

:root[data-theme="dark"] #page-sidebar .sidebar-filter,
:root[data-theme="dark"] #page-sidebar .sidebar-tree-btn,
:root[data-theme="dark"] #page-sidebar .sidebar-toggle {
  border-color: rgba(167, 205, 242, 0.18);
  background: rgba(10, 19, 33, 0.86);
}

:root[data-theme="dark"] .endnotes-entry > a[id^="endnote-"] {
  color: #d7ecff;
}

.page-tools {
  position: sticky;
  top: calc(var(--anchor-offset) + 0.55rem);
  align-self: start;
  display: grid;
  gap: 0.65rem;
  max-height: calc(100vh - var(--anchor-offset) - 1rem);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  min-width: 0;
}

body.left-sidebar-collapsed .page-tools {
  display: none;
}

.page-tools-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(245, 248, 252, 0.76) 100%);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  padding: 0.68rem 0.72rem;
  min-width: 0;
}

.page-tools-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  position: sticky;
  top: 0;
  z-index: 2;
  padding-block: 0.08rem 0.32rem;
  background: inherit;
  margin-bottom: 0.38rem;
}

.page-tools-label {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1.1;
  color: var(--nav-purpose-pill-text);
  border: 1px solid var(--nav-purpose-pill-border);
  background: var(--nav-purpose-pill-bg);
  border-radius: 999px;
  padding: 0.26rem 0.6rem;
}

.page-tools-actions {
  display: grid;
  gap: 0.45rem;
}

.page-toc-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
  margin-top: 0.56rem;
}

.page-action-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.48rem;
  min-height: 2.5rem;
  width: 100%;
  padding: 0.52rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 114, 133, 0.25);
  background: linear-gradient(180deg, #ffffff 0%, #ecf9fc 100%);
  color: var(--brand-dark);
  font: inherit;
  font-family: var(--font-heading-stack);
  font-size: 0.82rem;
  line-height: 1.2;
  cursor: pointer;
}

.page-action-button:hover {
  border-color: rgba(15, 76, 92, 0.5);
  background: linear-gradient(180deg, #ffffff 0%, #dbf0f5 100%);
}

.page-action-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-action-button[disabled] {
  cursor: not-allowed;
  opacity: 0.58;
  border-color: var(--surface-border);
  background: var(--surface-alt);
  color: var(--muted);
}

.page-action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.page-action-icon svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-tools-actions .nav-pill {
  width: 100%;
  text-align: center;
}

.page-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-toc-row {
  display: flex;
  align-items: flex-start;
  gap: 0.36rem;
}

.page-toc li + li {
  margin-top: 0.34rem;
}

.page-toc-item.has-children > .page-toc-row {
  align-items: center;
}

.page-toc li.toc-depth-3 {
  margin-left: 0.56rem;
}

.page-toc[data-page-toc-mode="flat"] ul {
  display: grid;
  gap: 0.42rem;
}

.page-toc[data-page-toc-mode="flat"] li + li {
  margin-top: 0;
}

.page-toc[data-page-toc-mode="flat"] li.toc-depth-3 {
  margin-left: 0;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row {
  gap: 0;
}

.page-toc-children {
  margin-top: 0.22rem;
}

.page-toc.page-toc-balanced .page-toc-item.is-primary-group > .page-toc-children {
  margin-top: 0.3rem;
  margin-left: 0.12rem;
  padding-left: 0.78rem;
  border-left: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
}

.page-toc.page-toc-balanced li.toc-depth-3 {
  margin-left: 0;
}

.page-toc.page-toc-balanced .page-toc-item.is-primary-group > .page-toc-row > a {
  color: color-mix(in srgb, var(--heading) 90%, var(--accent) 10%);
}

.page-toc.page-toc-balanced .page-toc-children-balanced .page-toc-row {
  gap: 0.28rem;
}

.page-toc-item.is-collapsed > .page-toc-children {
  display: none;
}

.page-toc-toggle {
  appearance: none;
  width: 1.2rem;
  height: 1.2rem;
  flex: 0 0 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: var(--font-heading-stack);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.page-toc-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-toc-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-toc a {
  display: block;
  flex: 1 1 auto;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  font-size: 0.84rem;
  line-height: 1.38;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: auto;
  text-wrap: pretty;
}

.page-toc-link-label {
  min-width: 0;
}

.page-toc-link-cue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 54%, var(--muted) 46%);
  transition: transform 160ms ease, color 160ms ease, letter-spacing 160ms ease;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.58rem;
  padding: 0.68rem 0.76rem;
  border: 1px solid color-mix(in srgb, var(--card-border) 76%, var(--accent) 24%);
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--surface-alt) 82%, white 18%) 0%,
    color-mix(in srgb, var(--surface) 90%, var(--accent) 10%) 100%
  );
  box-shadow: 0 10px 20px rgba(17, 26, 43, 0.08);
}

.page-toc[data-page-toc-mode="flat"] .page-toc-link-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  padding: 0.28rem 0.42rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 76%, var(--accent) 24%);
  color: color-mix(in srgb, var(--heading) 88%, var(--accent) 12%);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-link-label {
  display: block;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:hover,
.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:focus-visible {
  transform: translateX(4px);
  box-shadow: 0 14px 24px rgba(17, 26, 43, 0.12);
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:hover .page-toc-link-label,
.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:focus-visible .page-toc-link-label {
  font-style: italic;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:hover .page-toc-link-cue,
.page-toc[data-page-toc-mode="flat"] .page-toc-row > a:focus-visible .page-toc-link-cue {
  transform: translateX(3px);
  color: var(--accent);
  letter-spacing: 0.12em;
}

.page-toc li.toc-depth-2 > .page-toc-row > a {
  font-size: 0.89rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--heading) 84%, var(--muted) 16%);
}

.page-toc li.toc-depth-3 > .page-toc-row > a {
  font-size: 0.81rem;
  font-weight: 500;
}

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

.page-toc a.is-active {
  color: var(--brand-dark);
  font-weight: 700;
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a.is-active {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--card-border) 54%);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--surface-alt) 70%, var(--accent) 30%) 0%,
    color-mix(in srgb, var(--surface) 78%, var(--accent) 22%) 100%
  );
  box-shadow: 0 16px 30px rgba(17, 26, 43, 0.14);
}

.page-toc[data-page-toc-mode="flat"] .page-toc-row > a.is-active .page-toc-link-index {
  background: color-mix(in srgb, var(--accent) 30%, var(--surface) 70%);
  color: var(--brand-dark);
}

.page-toc-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.related-reports {
  margin: 1rem 0 1.2rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
  padding: 0.85rem 0.95rem;
}

.related-reports h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.04rem;
}

.related-reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.7rem;
}

.related-reports-section h3 {
  margin: 0 0 0.36rem;
  font-size: 0.89rem;
  color: var(--muted);
}

.related-reports-section ul {
  margin: 0;
  padding-left: 1rem;
}

.related-reports-section li {
  margin: 0.24rem 0;
}

h1, h2, h3 {
  color: var(--heading);
  line-height: 1.18;
  margin-top: 1.28em;
  margin-bottom: 0.5em;
}

h1 {
  font-family: var(--font-heading-stack);
  font-size: clamp(1.55rem, 2.7vw, 2.25rem);
}

h2 {
  font-family: var(--font-heading-stack);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

h3 {
  font-family: var(--font-heading-stack);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
}

.article-body p.pseudo-heading-level-2,
.article-body p.pseudo-heading-level-3 {
  font-family: var(--font-heading-stack);
  font-weight: 700;
  color: var(--heading);
  margin-top: 1.2em;
  margin-bottom: 0.45em;
  line-height: 1.25;
}

.article-body p.pseudo-heading-level-2 {
  font-size: clamp(1.12rem, 1.9vw, 1.52rem);
}

.article-body p.pseudo-heading-level-3 {
  font-size: clamp(1rem, 1.55vw, 1.22rem);
}

p {
  margin: 0.84rem 0 1.1rem;
}

ol, ul {
  margin: 0.85rem 0 1.05rem 1.15rem;
  padding-left: 0.6rem;
}

li {
  margin: 0.28rem 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  padding: 0.08rem 0.36rem;
  border-radius: 6px;
  background: var(--code-bg);
}

blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--blockquote-border);
  background: var(--blockquote-bg);
  border-radius: 0 10px 10px 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--surface-border);
  margin: 1.5rem 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  box-shadow: var(--card-shadow);
  margin: 1rem auto 1.25rem;
}

.page-media-action-shell {
  position: relative;
}

.page-media-action-shell-direct {
  display: block;
  width: fit-content;
  max-width: min(100%, var(--measure-image));
  margin: 1rem auto 1.25rem;
}

.page-media-action-shell-direct > img,
.page-media-action-shell-direct > a > img {
  margin: 0;
}

.page-media-action-shell-direct > a {
  display: block;
}

.page-media-actions {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 3;
  display: flex;
  gap: 0.45rem;
}

.page-media-actions .page-action-button {
  min-width: 2.65rem;
  width: 2.65rem;
  min-height: 2.65rem;
  padding: 0;
  border-color: rgba(11, 114, 133, 0.22);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(23, 32, 56, 0.16);
  backdrop-filter: blur(10px);
}

.page-media-actions .page-action-label {
  display: none;
}

.page-action-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 140;
  max-width: min(24rem, calc(100vw - 2rem));
  padding: 0.72rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  box-shadow: 0 18px 36px rgba(23, 32, 56, 0.18);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.page-action-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.article-body img.zoomable-image {
  cursor: zoom-in;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.article-body img.zoomable-image:hover {
  transform: translateY(-1px);
}

.page-media-action-shell.has-lightbox-affordance,
.page-media-action-shell-direct.has-lightbox-affordance,
.article-body figure.has-lightbox-affordance {
  position: relative;
}

.image-lightbox-affordance {
  position: absolute;
  right: 0.78rem;
  bottom: 0.78rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.34rem 0.78rem 0.34rem 0.56rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(9, 16, 26, 0.82);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  color: #f3f8ff;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
}

.image-lightbox-affordance-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background: rgba(102, 190, 255, 0.22);
  border: 1px solid rgba(159, 218, 255, 0.35);
  color: #f3f8ff;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1;
}

.image-lightbox-affordance-label {
  display: inline-block;
  white-space: nowrap;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(6, 12, 22, 0.86);
  backdrop-filter: blur(3px);
}

.image-lightbox[hidden] {
  display: none !important;
}

.image-lightbox-image {
  margin: 0;
  max-width: min(95vw, 1640px);
  max-height: 84vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
}

.image-lightbox-close {
  position: absolute;
  right: 0.95rem;
  top: 0.95rem;
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(10, 16, 24, 0.6);
  color: #f3f8ff;
  font-family: var(--font-heading-stack);
  font-size: 0.82rem;
  line-height: 1;
  padding: 0.48rem 0.72rem;
  cursor: pointer;
}

.image-lightbox-close:hover {
  background: rgba(10, 16, 24, 0.82);
}

.image-lightbox-close:focus-visible {
  outline: 2px solid #ffbe86;
  outline-offset: 2px;
}

.image-lightbox-caption {
  margin: 0;
  max-width: min(95vw, 1100px);
  color: #e6f1ff;
  font-family: var(--font-heading-stack);
  font-size: 0.8rem;
  text-align: center;
}

a {
  color: var(--brand);
  text-decoration-thickness: 1.5px;
  text-decoration-color: rgba(11, 114, 133, 0.35);
  text-underline-offset: 0.13em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: rgba(204, 88, 3, 0.45);
}

.citation-chip-wrap {
  position: relative;
  display: inline-flex;
  vertical-align: baseline;
  margin-left: 0.28rem;
}

.citation-link-wrap {
  position: relative;
  display: inline-flex;
  vertical-align: baseline;
}

a.citation-inline-link {
  display: inline-flex;
  align-items: center;
  padding: 0.02rem 0.18rem;
  border-radius: 0.44rem;
  border: 1px solid rgba(11, 114, 133, 0.16);
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

a.citation-inline-link:hover {
  color: var(--brand-dark);
  background: rgba(11, 114, 133, 0.12);
  border-color: rgba(11, 114, 133, 0.26);
  text-decoration: none;
}

a.citation-inline-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

a.citation-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.2rem;
  padding: 0.08rem 0.42rem;
  border-radius: 999px;
  border: 1px solid var(--cite-chip-border);
  background: var(--cite-chip-bg);
  color: var(--cite-chip-text);
  text-decoration: none;
  font-family: var(--font-heading-stack);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.15;
}

a.citation-chip:hover {
  color: var(--cite-chip-text);
  text-decoration: none;
  border-color: var(--cite-chip-border);
}

a.citation-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.citation-popover {
  position: absolute;
  left: 0;
  top: calc(100% + 0.4rem);
  min-width: 240px;
  max-width: min(420px, 84vw);
  padding: 0.72rem 0.78rem 0.76rem;
  border-radius: 14px;
  border: 1px solid var(--cite-pop-border);
  background: var(--cite-pop-bg);
  box-shadow: var(--cite-pop-shadow);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 130ms ease, transform 130ms ease;
  pointer-events: none;
  z-index: 12;
}

.citation-chip-wrap:hover .citation-popover,
.citation-chip-wrap:focus-within .citation-popover,
.citation-link-wrap:hover .citation-popover,
.citation-link-wrap:focus-within .citation-popover {
  opacity: 1;
  transform: translateY(0);
}

.citation-popover-source {
  display: inline-flex;
  align-items: center;
  min-height: 1.45rem;
  padding: 0.08rem 0.46rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 114, 133, 0.18);
  background: rgba(11, 114, 133, 0.08);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.citation-popover-title {
  display: block;
  margin-top: 0.42rem;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.28;
}

.citation-popover-snippet {
  display: block;
  margin-top: 0.42rem;
  padding-top: 0.42rem;
  border-top: 1px solid rgba(11, 114, 133, 0.12);
  font-size: 0.79rem;
  line-height: 1.44;
  color: var(--text);
}

.citation-popover-meta {
  display: block;
  margin-top: 0.46rem;
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  letter-spacing: 0.01em;
  color: var(--muted);
  opacity: 0.92;
}

.youtube-embed-container {
  max-width: min(100%, 47rem);
  margin: 1rem auto;
}

.youtube-embed-card {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 252, 0.96));
  box-shadow: 0 9px 20px rgba(15, 23, 42, 0.085);
  display: grid;
  gap: 0;
}

.youtube-embed-container.youtube-embed-fallback .youtube-embed-card {
  border-color: rgba(11, 114, 133, 0.16);
  background: linear-gradient(180deg, rgba(247, 252, 253, 0.98), rgba(240, 248, 249, 0.96));
}

.youtube-embed-header {
  display: grid;
  gap: 0.32rem;
  padding: 0.64rem 0.84rem 0.52rem;
}

.youtube-embed-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 1.4rem;
  padding: 0.08rem 0.48rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.12);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.youtube-embed-heading {
  margin-top: 0.08rem;
  font-family: "Fraunces", "Georgia", serif;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.2;
}

.youtube-embed-heading a {
  color: var(--heading);
  text-decoration: none;
}

.youtube-embed-heading a:hover {
  text-decoration: underline;
}

.youtube-embed-channel,
.youtube-embed-meta {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.34;
}

.youtube-embed-channel {
  font-family: var(--font-heading-stack);
}

.youtube-embed-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.34rem;
  margin-top: 0.1rem;
}

.youtube-embed-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.4rem;
  padding: 0.08rem 0.46rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.66rem;
  font-weight: 600;
}

.youtube-embed-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-top: 56.25%;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 1));
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.youtube-embed-frame iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.youtube-embed-footer {
  display: grid;
  gap: 0.38rem;
  padding: 0.78rem 0.92rem 0.86rem;
}

.youtube-embed-title,
.youtube-embed-actions {
  margin: 0;
}

.youtube-embed-title {
  font-family: "Fraunces", "Georgia", serif;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.24;
}

.youtube-embed-title a {
  color: var(--heading);
  text-decoration: none;
}

.youtube-embed-title a:hover {
  text-decoration: underline;
}

.youtube-embed-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.youtube-embed-watch-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.12);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.youtube-embed-watch-link:hover {
  background: rgba(11, 114, 133, 0.18);
  text-decoration: underline;
}

:root[data-theme="dark"] .youtube-embed-card {
  border-color: rgba(148, 163, 184, 0.18);
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 38%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(9, 14, 27, 0.98));
  box-shadow: 0 12px 24px rgba(2, 6, 23, 0.36);
}

:root[data-theme="dark"] .youtube-embed-container.youtube-embed-fallback .youtube-embed-card {
  border-color: rgba(45, 212, 191, 0.16);
  background:
    radial-gradient(circle at top right, rgba(45, 212, 191, 0.10), transparent 36%),
    linear-gradient(180deg, rgba(11, 26, 33, 0.98), rgba(7, 18, 24, 0.98));
}

:root[data-theme="dark"] .youtube-embed-kicker {
  background: rgba(45, 212, 191, 0.18);
  color: rgba(204, 251, 241, 0.96);
}

:root[data-theme="dark"] .youtube-embed-heading a {
  color: rgba(241, 245, 249, 0.98);
}

:root[data-theme="dark"] .youtube-embed-title a {
  color: rgba(241, 245, 249, 0.98);
}

:root[data-theme="dark"] .youtube-embed-channel,
:root[data-theme="dark"] .youtube-embed-meta {
  color: rgba(203, 213, 225, 0.84);
}

:root[data-theme="dark"] .youtube-embed-badge {
  background: rgba(148, 163, 184, 0.12);
  color: rgba(226, 232, 240, 0.88);
}

:root[data-theme="dark"] .youtube-embed-watch-link {
  background: rgba(45, 212, 191, 0.18);
  color: rgba(204, 251, 241, 0.96);
}

:root[data-theme="dark"] .youtube-embed-watch-link:hover {
  background: rgba(45, 212, 191, 0.24);
}

:root[data-theme="dark"] .youtube-embed-frame {
  background: linear-gradient(180deg, rgba(2, 6, 23, 1), rgba(0, 0, 0, 1));
  border-top-color: rgba(148, 163, 184, 0.14);
}

@media (max-width: 640px) {
  .youtube-embed-header {
    padding: 0.58rem 0.7rem 0.5rem;
  }

  .youtube-embed-heading {
    font-size: 0.9rem;
  }

  .youtube-embed-footer {
    padding: 0.72rem 0.78rem 0.8rem;
  }

  .youtube-embed-title {
    font-size: 0.9rem;
  }
}

.home-hero {
  position: relative;
  overflow: hidden;
  margin: 0 0 1.4rem;
  padding: 1.15rem 1.15rem 1.25rem;
  border: 1px solid rgba(11, 114, 133, 0.18);
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(233, 250, 253, 0.9) 0%, rgba(255, 244, 235, 0.84) 100%);
}

.home-hero::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -55px;
  top: -90px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 76, 92, 0.18) 0%, rgba(15, 76, 92, 0) 68%);
  pointer-events: none;
}

.home-hero h1 {
  margin: 0.2rem 0 0.55rem;
  max-width: 25ch;
}

.page-home .home-hero,
.page-home .home-jump-links,
.page-home .home-detailed-catalog {
  width: 100%;
}

.page-home .home-hero > p:not(.home-eyebrow):not(.home-mode-note) {
  max-width: 66ch;
}

.home-eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2rem;
  padding: 0.34rem 0.8rem;
  border: 1px solid rgba(22, 82, 79, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 10px 22px rgba(20, 33, 58, 0.08);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.home-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.home-mode-note {
  margin: 0.72rem 0 0;
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  color: var(--muted);
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.nav-pill-primary {
  border-color: rgba(15, 76, 92, 0.42);
  background: linear-gradient(180deg, #ffffff 0%, #dbf0f5 100%);
  box-shadow: 0 10px 20px rgba(15, 76, 92, 0.12);
  font-weight: 700;
}

.nav-pill-primary:hover {
  border-color: rgba(15, 76, 92, 0.6);
  background: linear-gradient(180deg, #ffffff 0%, #cfeaf1 100%);
}

.home-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(15, 76, 92, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  color: #2a3b4f;
}

.home-stat strong {
  color: var(--brand-dark);
  font-weight: 700;
}

.home-jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.35rem 0 1.15rem;
}

.home-jump-overflow {
  margin: -0.72rem 0 1.1rem;
  font-family: var(--font-heading-stack);
  font-size: 0.75rem;
  color: var(--muted);
}

.home-controls {
  display: grid;
  gap: 0.36rem;
  margin: 0 0 1.1rem;
}

.home-mode-switcher {
  margin: 0 0 1rem;
  padding: 0.62rem 0.72rem 0.66rem;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(239, 247, 255, 0.55) 100%);
}

.home-mode-switcher-label {
  margin: 0 0 0.36rem;
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-mode-switcher-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.home-mode-btn {
  appearance: none;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  padding: 0.24rem 0.62rem;
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.home-mode-btn:hover {
  border-color: rgba(15, 76, 92, 0.48);
}

.home-mode-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.home-mode-btn.is-active {
  border-color: rgba(11, 114, 133, 0.44);
  background: rgba(11, 114, 133, 0.1);
  color: var(--brand-dark);
}

.home-mode-switcher-note {
  margin: 0.42rem 0 0;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  color: var(--muted);
}

.home-mode-panel[hidden] {
  display: none !important;
}

.home-filter-label {
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  color: var(--muted);
}

.home-filter {
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.62rem;
  font-family: var(--font-heading-stack);
  font-size: 0.84rem;
}

.home-filter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.32rem;
}

.home-filter-row .home-filter {
  flex: 1 1 auto;
}

.home-filter-clear {
  flex: 0 0 auto;
  min-height: 2.16rem;
  padding-inline: 0.82rem;
}

.home-filter-clear[hidden] {
  display: none !important;
}

.home-filter:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.home-filter-status {
  margin: 0.38rem 0 0;
  min-height: 1.1em;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  color: var(--muted);
}

.home-filter-status[data-state="active"] {
  color: color-mix(in srgb, var(--brand-dark) 82%, var(--text) 18%);
}

.home-filter-status[data-state="empty"] {
  color: color-mix(in srgb, var(--accent) 68%, var(--heading) 32%);
}

.home-featured {
  margin: 0.1rem 0 1.2rem;
  padding: 1.02rem 1.08rem 1.16rem;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.8) 0%, rgba(239, 247, 255, 0.72) 100%);
  box-shadow: var(--card-shadow);
}

.home-featured-head {
  margin-bottom: 0.7rem;
}

.home-featured-head h2 {
  margin: 0.1rem 0 0.25rem;
  font-size: clamp(1.08rem, 1.7vw, 1.36rem);
}

.home-featured-head p {
  margin: 0;
  color: var(--muted);
}

.home-featured-kicker {
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.home-level-group {
  margin-bottom: 1.35rem;
}

.home-topic-group {
  margin-bottom: 1rem;
}

.home-level-disclosure {
  border: 1px solid var(--card-border);
  border-radius: 13px;
  background: var(--surface-alt);
  box-shadow: var(--card-shadow);
}

.home-level-disclosure > summary {
  list-style: none;
  cursor: pointer;
}

.home-level-disclosure > summary::-webkit-details-marker {
  display: none;
}

.home-level-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.68rem 0.82rem;
}

.home-level-summary-title {
  font-family: var(--font-heading-stack);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 700;
  color: var(--heading);
}

.home-level-summary-count {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  padding: 0.16rem 0.48rem;
  background: var(--surface);
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  color: var(--muted);
}

.home-level-disclosure > .topic-card-grid {
  margin: 0;
  padding: 0 0.82rem 0.85rem;
}

.home-topic-root-grid {
  margin: 0;
  padding: 0 0.82rem 0.55rem;
}

.home-subtopic-groups {
  display: grid;
  gap: 0.68rem;
  padding: 0 0.82rem 0.85rem;
}

.home-subtopic-disclosure {
  background: var(--surface);
}

.home-subtopic-disclosure > .topic-card-grid-subtopic {
  margin: 0;
  padding: 0 0.72rem 0.78rem;
}

.home-branch-note {
  margin: 0 0.78rem 0.72rem;
  font-family: var(--font-heading-stack);
  font-size: 0.75rem;
  color: var(--muted);
}

/* --- Explorer / Tree: level-proportional card grids --- */
[data-home-mode="explorer"] .home-topic-root-grid,
[data-home-mode="tree"] .home-topic-root-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}
.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-root-grid,
[data-home-mode="explorer"] .home-topic-root-grid,
[data-home-mode="tree"] .home-topic-root-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}
[data-home-mode="explorer"] .home-topic-root-grid .topic-card,
[data-home-mode="tree"] .home-topic-root-grid .topic-card,
.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-root-grid .topic-card {
  padding: 1.1rem 1.15rem 1.2rem;
}
[data-home-mode="explorer"] .topic-card-grid-subtopic,
[data-home-mode="tree"] .topic-card-grid-subtopic,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
}
/* L3+ cards: compact 4-column layout with smaller elements */
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card.level-3,
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card[data-level="4"],
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card[data-level="5"],
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card.level-3,
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card[data-level="4"],
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card[data-level="5"],
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card.level-3,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card[data-level="4"],
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card[data-level="5"] {
  padding: 0.62rem 0.68rem 0.7rem;
  gap: 0.28rem;
}
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card.level-3 h3,
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card.level-3 h3,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card.level-3 h3 {
  font-size: clamp(0.82rem, 1vw + 0.5rem, 0.95rem);
}
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-summary,
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-summary {
  font-size: 0.78rem;
  -webkit-line-clamp: 1;
}
[data-home-mode="explorer"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-media img,
[data-home-mode="tree"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-media img,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card-grid-subtopic .topic-card.level-3 .topic-card-media img {
  max-height: 100px;
}
/* L4+ cards: hide images, ultra-compact */
[data-home-mode="explorer"] .topic-card[data-level="4"] .topic-card-media,
[data-home-mode="explorer"] .topic-card[data-level="5"] .topic-card-media,
[data-home-mode="tree"] .topic-card[data-level="4"] .topic-card-media,
[data-home-mode="tree"] .topic-card[data-level="5"] .topic-card-media,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="4"] .topic-card-media,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="5"] .topic-card-media {
  display: none;
}
[data-home-mode="explorer"] .topic-card[data-level="4"],
[data-home-mode="explorer"] .topic-card[data-level="5"],
[data-home-mode="tree"] .topic-card[data-level="4"],
[data-home-mode="tree"] .topic-card[data-level="5"],
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="4"],
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="5"] {
  padding: 0.5rem 0.6rem;
  gap: 0.2rem;
  border-radius: 10px;
}
[data-home-mode="explorer"] .topic-card[data-level="4"] h3,
[data-home-mode="explorer"] .topic-card[data-level="5"] h3,
[data-home-mode="tree"] .topic-card[data-level="4"] h3,
[data-home-mode="tree"] .topic-card[data-level="5"] h3,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="4"] h3,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="5"] h3 {
  font-size: 0.82rem;
}
[data-home-mode="explorer"] .topic-card[data-level="4"] .topic-card-summary,
[data-home-mode="explorer"] .topic-card[data-level="5"] .topic-card-summary,
[data-home-mode="tree"] .topic-card[data-level="4"] .topic-card-summary,
[data-home-mode="tree"] .topic-card[data-level="5"] .topic-card-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="4"] .topic-card-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-level="5"] .topic-card-summary {
  display: none;
}
/* disclosure summary styling improvements */
.home-level-summary-count {
  font-weight: 600;
  font-size: 0.72rem;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark, #0b7285);
}
:root[data-theme="dark"] .home-level-summary-count {
  background: rgba(11, 114, 133, 0.15);
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure {
  --home-topic-grid-min: 280px;
  --home-subtopic-grid-min: 220px;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-density-tier="sparse"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="sparse"] {
  --home-topic-grid-min: 300px;
  --home-subtopic-grid-min: 240px;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-density-tier="dense"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="dense"] {
  --home-topic-grid-min: 250px;
  --home-subtopic-grid-min: 210px;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-density-tier="very-dense"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="very-dense"] {
  --home-topic-grid-min: 220px;
  --home-subtopic-grid-min: 186px;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-title-length-bucket="long"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-title-length-bucket="very-long"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-title-length-bucket="long"],
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-title-length-bucket="very-long"] {
  --home-topic-grid-min: 320px;
  --home-subtopic-grid-min: 248px;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group .home-topic-root-grid {
  grid-template-columns: repeat(auto-fit, minmax(var(--home-topic-grid-min), 1fr));
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure .topic-card-grid-subtopic {
  grid-template-columns: repeat(auto-fit, minmax(var(--home-subtopic-grid-min), 1fr));
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-density-tier="dense"] .home-level-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-density-tier="very-dense"] .home-level-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="dense"] .home-level-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="very-dense"] .home-level-summary {
  align-items: flex-start;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-title-length-bucket="long"] .home-level-summary-title,
.home-mode-panel[data-home-mode-panel="catalog"] .home-topic-group[data-title-length-bucket="very-long"] .home-level-summary-title,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-title-length-bucket="long"] .home-level-summary-title,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-title-length-bucket="very-long"] .home-level-summary-title {
  max-width: 36ch;
  line-height: 1.24;
}

.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-title-length-bucket="very-long"] h3 {
  font-size: clamp(0.82rem, 0.92vw + 0.48rem, 0.94rem);
  line-height: 1.24;
}

.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="dense"] .topic-card.level-3 .topic-card-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .home-subtopic-disclosure[data-density-tier="very-dense"] .topic-card.level-3 .topic-card-summary,
.home-mode-panel[data-home-mode-panel="catalog"] .topic-card[data-density-tier="very-dense"] .topic-card-summary {
  display: none;
}

.topic-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 1.05rem;
  margin: 0.15rem 0 1.2rem;
}

.topic-card-grid-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.44rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 0.92rem 0.98rem 1.04rem;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  height: 100%;
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.page-home .topic-card {
  cursor: pointer;
}

.page-home .topic-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topic-card-featured {
  border-color: rgba(53, 100, 194, 0.28);
  box-shadow: 0 10px 24px rgba(23, 32, 56, 0.12);
}

.topic-card::before {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0b7285 0%, #56a0b8 100%);
  margin-bottom: 0.35rem;
}

.topic-card.level-2::before {
  background: linear-gradient(90deg, #3564c2 0%, #68a8ff 100%);
}

.topic-card.level-3::before {
  background: linear-gradient(90deg, #9e4f0d 0%, #dc8a33 100%);
}

.topic-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 10px 24px rgba(23, 32, 56, 0.12);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.topic-card.is-filtered-out {
  display: none;
}

.topic-card.is-search-match {
  border-color: color-mix(in srgb, var(--brand) 44%, var(--card-border) 56%);
  box-shadow: 0 14px 28px rgba(11, 114, 133, 0.12);
}

.topic-card-kicker {
  margin: 0;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  color: #4a5b70;
}

.topic-card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  flex-shrink: 0;
  background: linear-gradient(180deg, rgba(244, 248, 252, 0.96) 0%, rgba(233, 240, 248, 0.9) 100%);
  border: 1px solid rgba(23, 32, 56, 0.1);
  box-shadow: 0 4px 14px rgba(23, 32, 56, 0.1);
}

.topic-card-media img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center;
  padding: 0.38rem;
  margin: 0;
  border-radius: 10px;
}

.topic-card-placeholder {
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand, #0b7285) 0%, var(--accent, #cc5803) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

:root[data-theme="dark"] .topic-card-media {
  background: linear-gradient(180deg, rgba(19, 34, 52, 0.96) 0%, rgba(11, 22, 34, 0.92) 100%);
  border-color: rgba(126, 210, 223, 0.2);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .topic-card-placeholder {
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 60%, #000) 0%, color-mix(in srgb, var(--accent) 55%, #000) 100%);
}

.topic-card-initial {
  font-family: var(--font-heading-stack);
  font-size: 2.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.65);
  user-select: none;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.topic-card h3 {
  margin-top: 0;
  margin-bottom: 0.3rem;
  font-size: clamp(0.95rem, 1.2vw + 0.6rem, 1.15rem);
  line-height: 1.28;
}

.topic-card h3 a {
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-card-summary {
  margin: 0 0 0.65rem;
  font-size: clamp(0.85rem, 1vw + 0.5rem, 0.95rem);
  line-height: 1.5;
  color: var(--muted);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-card-meta {
  margin: 0 0 0.62rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  line-height: 1.3;
  color: var(--muted);
}

.topic-card-meta span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  padding: 0.14rem 0.4rem;
  background: var(--surface-alt);
}

.topic-card-link {
  display: inline-block;
  font-family: var(--font-heading-stack);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-decoration: none;
  color: #0d3f4c;
  border: 1px solid rgba(11, 114, 133, 0.24);
  border-radius: 999px;
  padding: 0.3rem 0.62rem;
  background: #f0fbfd;
  margin-top: auto;
  width: fit-content;
}

.topic-card-link:hover {
  color: #203d56;
  border-color: rgba(53, 100, 194, 0.35);
  background: #e8f1ff;
}

.svg-gallery {
  margin: 1.2rem 0;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--surface-alt);
}

.svg-gallery > summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-heading-stack);
  font-weight: 600;
  padding: 0.75rem 0.95rem;
  color: var(--heading);
}

.svg-gallery > summary::-webkit-details-marker {
  display: none;
}

.svg-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.65rem;
  padding: 0 0.85rem 0.85rem;
}

.svg-gallery-item {
  display: block;
  text-decoration: none;
}

.svg-gallery-item img {
  margin: 0;
  box-shadow: 0 5px 14px rgba(23, 32, 56, 0.12);
}

.svg-gallery-item span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.site-footer {
  border-top: 1px solid var(--header-border);
  margin-top: 1.4rem;
  padding: 1.18rem 0 1.65rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--font-heading-stack);
}

.footer-inner {
  display: grid;
  gap: 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) repeat(3, minmax(0, 0.9fr));
  gap: 1rem 1.15rem;
  align-items: start;
}

.footer-brand,
.footer-group {
  min-width: 0;
}

.footer-kicker,
.footer-heading {
  margin: 0 0 0.42rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--brand-dark) 74%, var(--accent) 26%);
}

.footer-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--heading);
}

.footer-note,
.footer-copy,
.footer-meta p {
  margin: 0;
  line-height: 1.6;
}

.footer-note {
  margin-top: 0.5rem;
  max-width: 34ch;
}

.footer-copy {
  margin-bottom: 0.56rem;
  max-width: 30ch;
}

.footer-links {
  display: grid;
  gap: 0.42rem;
  justify-items: start;
}

.footer-link,
.footer-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.36rem;
  min-height: 2rem;
  padding: 0.28rem 0.78rem;
  border: 1px solid rgba(22, 82, 79, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: color-mix(in srgb, var(--brand-dark) 74%, var(--heading) 26%);
  text-decoration: none;
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.footer-link-button {
  font: inherit;
  cursor: pointer;
}

.footer-link:hover,
.footer-link:focus-visible,
.footer-link-button:hover,
.footer-link-button:focus-visible {
  border-color: rgba(15, 76, 92, 0.38);
  background: rgba(230, 241, 237, 0.92);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
  color: var(--brand-dark);
  transform: translateY(-1px);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid color-mix(in srgb, var(--header-border) 72%, transparent 28%);
}

.footer-meta p:last-child {
  color: color-mix(in srgb, var(--muted) 82%, var(--heading) 18%);
}

body.profile-editorial .container,
body.layout-magazine .container {
  width: min(1120px, 93vw);
}

body.profile-editorial .page-content .container,
body.layout-magazine .page-content .container {
  border-radius: 22px;
  padding: clamp(1.35rem, 2.5vw, 2.8rem);
}

body.profile-editorial .layout-grid-article,
body.layout-magazine .layout-grid-article {
  grid-template-columns: var(--sidebar-left-track) minmax(0, 1fr) var(--sidebar-right-track);
}

body.profile-editorial .page-tools,
body.layout-magazine .page-tools {
  display: grid;
}

body.profile-editorial .article-body > *,
body.layout-magazine .article-body > * {
  max-width: min(100%, 70ch);
}

body.profile-editorial .topic-card-grid,
body.layout-magazine .topic-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.profile-editorial .topic-card-grid-featured,
body.layout-magazine .topic-card-grid-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.profile-editorial .topic-card,
body.layout-magazine .topic-card {
  border-radius: 14px;
}

body.layout-dossier .container {
  width: min(var(--layout-max-width), 94vw);
}

body.layout-dossier .page-content .container {
  border-radius: 20px;
  padding: clamp(1.08rem, 2vw, 2.25rem);
}

body.layout-dossier .layout-grid {
  gap: 1.2rem;
}

body.layout-dossier .layout-grid-article {
  grid-template-columns: var(--sidebar-left-track) minmax(0, 1fr) var(--sidebar-right-track);
}

body.layout-dossier .article-body > * {
  max-width: min(100%, var(--measure-prose));
}

body.layout-dossier .topic-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.layout-dossier .topic-card-grid-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.layout-dossier .topic-card {
  border-radius: 15px;
}

body.profile-compact .container,
body.layout-compact-grid .container {
  width: min(1360px, 96vw);
}

body.profile-compact .page-content,
body.layout-compact-grid .page-content {
  padding: 1.1rem 0 1.8rem;
}

body.profile-compact .page-content .container,
body.layout-compact-grid .page-content .container {
  padding: clamp(0.92rem, 1.7vw, 1.55rem);
}

body.profile-compact .layout-grid,
body.layout-compact-grid .layout-grid {
  gap: 1rem;
}

body.profile-compact .layout-grid-article,
body.layout-compact-grid .layout-grid-article {
  grid-template-columns: clamp(185px, 14vw, 226px) minmax(0, 1fr) clamp(205px, 17vw, 252px);
}

body.profile-compact .topic-card-grid,
body.layout-compact-grid .topic-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.72rem;
}

body.profile-compact .topic-card-grid-featured,
body.layout-compact-grid .topic-card-grid-featured {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.profile-compact .topic-card,
body.layout-compact-grid .topic-card {
  padding: 0.72rem 0.74rem 0.8rem;
  gap: 0.3rem;
}

body.profile-compact .topic-card-summary,
body.layout-compact-grid .topic-card-summary {
  -webkit-line-clamp: 2;
}

body.profile-compact .topic-card-media img,
body.layout-compact-grid .topic-card-media img {
  max-height: 120px;
}

body.profile-compact .home-featured,
body.layout-compact-grid .home-featured {
  margin-bottom: 0.95rem;
}

body.profile-compact .site-nav a,
body.layout-compact-grid .site-nav a {
  font-size: 0.81rem;
}

body.left-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-left-track-solo);
}

body.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: var(--sidebar-right-track-solo) minmax(0, 1fr);
}

:root[data-theme="dark"] .nav-pill {
  border-color: rgba(126, 210, 223, 0.35);
  background: linear-gradient(180deg, rgba(30, 46, 70, 0.96) 0%, rgba(19, 31, 49, 0.98) 100%);
  color: #d3ebff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

:root[data-theme="dark"] .nav-pill:hover {
  border-color: rgba(255, 190, 134, 0.55);
  background: linear-gradient(180deg, rgba(41, 61, 92, 0.98) 0%, rgba(27, 42, 66, 0.98) 100%);
  color: #fff1de;
}

:root[data-theme="dark"] .home-hero {
  border-color: rgba(126, 210, 223, 0.22);
  background:
    radial-gradient(circle at 14% 16%, rgba(142, 217, 207, 0.16) 0%, rgba(142, 217, 207, 0.04) 24%, rgba(142, 217, 207, 0) 44%),
    radial-gradient(circle at 84% 18%, rgba(240, 179, 130, 0.18) 0%, rgba(240, 179, 130, 0.05) 22%, rgba(240, 179, 130, 0) 42%),
    linear-gradient(140deg, rgba(17, 31, 50, 0.98) 0%, rgba(28, 43, 68, 0.96) 50%, rgba(48, 36, 28, 0.86) 100%);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .home-eyebrow {
  border-color: rgba(126, 210, 223, 0.28);
  background: rgba(18, 33, 53, 0.84);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.2);
  color: #e6f4ff;
}

:root[data-theme="dark"] .home-platform-badge {
  border-color: rgba(126, 210, 223, 0.28);
  background: linear-gradient(180deg, rgba(20, 35, 55, 0.96) 0%, rgba(26, 39, 61, 0.92) 100%);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

:root[data-theme="dark"] .home-platform-mark {
  color: var(--brand-dark);
}

:root[data-theme="dark"] .home-platform-label {
  color: color-mix(in srgb, var(--brand-dark) 72%, var(--muted) 28%);
}

:root[data-theme="dark"] .home-platform-name {
  color: #eef7ff;
}

:root[data-theme="dark"] .home-platform-domain {
  color: color-mix(in srgb, var(--accent) 82%, var(--brand-dark) 18%);
}

:root[data-theme="dark"] .home-platform-note {
  color: color-mix(in srgb, var(--muted) 88%, var(--heading) 12%);
}

:root[data-theme="dark"] .home-stat {
  border-color: rgba(126, 210, 223, 0.28);
  background: rgba(17, 30, 47, 0.85);
  color: #c9def2;
}

:root[data-theme="dark"] .home-hero-route span,
:root[data-theme="dark"] .home-hero-topic {
  border-color: rgba(126, 210, 223, 0.24);
  background: rgba(17, 31, 49, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  color: #dcecf8;
}

:root[data-theme="dark"] .home-hero-stage {
  border-color: rgba(126, 210, 223, 0.2);
  background: linear-gradient(180deg, rgba(17, 30, 47, 0.92) 0%, rgba(22, 35, 54, 0.98) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 18px 36px rgba(0, 0, 0, 0.24);
}

:root[data-theme="dark"] .home-hero-stage-note {
  border-top-color: rgba(126, 210, 223, 0.14);
}

:root[data-theme="dark"] .home-stat-label {
  color: #9ec0d4;
}

:root[data-theme="dark"] .home-featured {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(145deg, rgba(20, 34, 56, 0.95) 0%, rgba(28, 37, 58, 0.9) 100%);
}

:root[data-theme="dark"] .home-level-disclosure {
  border-color: rgba(126, 210, 223, 0.22);
  background: #132137;
}

:root[data-theme="dark"] .home-subtopic-disclosure {
  border-color: rgba(126, 210, 223, 0.2);
  background: #0f1b2f;
}

:root[data-theme="dark"] .home-level-summary-count {
  border-color: rgba(126, 210, 223, 0.3);
  background: #15263b;
  color: #b8d0ea;
}

:root[data-theme="dark"] .home-mode-note,
:root[data-theme="dark"] .home-mode-switcher-note,
:root[data-theme="dark"] .home-jump-overflow,
:root[data-theme="dark"] .home-branch-note {
  color: #9eb5ce;
}

:root[data-theme="dark"] .nav-pill-primary {
  border-color: rgba(126, 210, 223, 0.48);
  background: linear-gradient(180deg, #27405f 0%, #1c304b 100%);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
  color: #eef8ff;
}

:root[data-theme="dark"] .nav-pill-primary:hover {
  border-color: rgba(255, 190, 134, 0.56);
  background: linear-gradient(180deg, #325276 0%, #223a59 100%);
  color: #fff1de;
}

:root[data-theme="dark"] .footer-kicker,
:root[data-theme="dark"] .footer-heading {
  color: #9ec8d3;
}

:root[data-theme="dark"] .footer-title {
  color: #eef8ff;
}

:root[data-theme="dark"] .footer-link,
:root[data-theme="dark"] .footer-link-button {
  border-color: rgba(126, 210, 223, 0.26);
  background: rgba(21, 34, 54, 0.88);
  color: #dbeaf4;
}

:root[data-theme="dark"] .footer-link:hover,
:root[data-theme="dark"] .footer-link:focus-visible,
:root[data-theme="dark"] .footer-link-button:hover,
:root[data-theme="dark"] .footer-link-button:focus-visible {
  border-color: rgba(255, 190, 134, 0.46);
  background: rgba(45, 63, 90, 0.96);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
  color: #fff1de;
}

:root[data-theme="dark"] .footer-meta {
  border-top-color: rgba(126, 210, 223, 0.16);
}

:root[data-theme="dark"] .topic-card-kicker {
  color: #95afca;
}

:root[data-theme="dark"] .topic-card-meta span {
  border-color: rgba(126, 210, 223, 0.32);
  background: #15263b;
}

:root[data-theme="dark"] .topic-card-link {
  color: #cbe8ff;
  border-color: rgba(126, 210, 223, 0.36);
  background: #17283d;
}

:root[data-theme="dark"] .topic-card-link:hover {
  color: #ffedd8;
  border-color: rgba(255, 190, 134, 0.52);
  background: #25364f;
}

:root[data-theme="dark"] .article-hero {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(140deg, rgba(20, 40, 62, 0.95) 0%, rgba(40, 32, 24, 0.82) 100%);
}

:root[data-theme="dark"] .article-hero-stat {
  border-color: rgba(126, 210, 223, 0.28);
  background: rgba(126, 210, 223, 0.14);
  color: #dff4ff;
}

:root[data-theme="dark"] .article-hero-highlights {
  border-color: rgba(126, 210, 223, 0.2);
  background: linear-gradient(180deg, rgba(18, 32, 50, 0.82) 0%, rgba(12, 23, 38, 0.94) 100%);
}

:root[data-theme="dark"] .article-hero-highlights-title {
  color: #eef5ff;
}

:root[data-theme="dark"] .article-hero-highlights-list li {
  color: #d9e4f2;
}

:root[data-theme="dark"] .article-hero-highlights-list li::before {
  background: rgba(255, 190, 134, 0.9);
}

:root[data-theme="dark"] .article-hero-media {
  border-color: rgba(126, 210, 223, 0.22);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"] .article-hero-media-note {
  border-color: rgba(126, 210, 223, 0.26);
  background: rgba(10, 18, 32, 0.72);
  color: #f4fbff;
}

:root[data-theme="dark"] .article-breadcrumbs a {
  color: #d4ebff;
}

:root[data-theme="dark"] .sidebar-filter {
  background: #152238;
  border-color: rgba(126, 210, 223, 0.28);
  color: #d7e8fb;
}

:root[data-theme="dark"] .sidebar-link.is-search-match {
  background: color-mix(in srgb, rgba(38, 88, 140, 0.58) 72%, rgba(17, 24, 39, 0.72) 28%);
  border-color: rgba(123, 185, 255, 0.4);
  color: rgba(242, 247, 255, 0.98);
}

:root[data-theme="dark"] .home-filter {
  background: #152238;
  border-color: rgba(126, 210, 223, 0.28);
  color: #d7e8fb;
}

:root[data-theme="dark"] .home-mode-switcher {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(20, 34, 56, 0.92) 0%, rgba(24, 39, 61, 0.84) 100%);
}

:root[data-theme="dark"] .home-mode-btn {
  border-color: rgba(126, 210, 223, 0.3);
  background: #16263b;
  color: #d3e9ff;
}

:root[data-theme="dark"] .home-mode-btn:hover {
  border-color: rgba(255, 190, 134, 0.55);
}

:root[data-theme="dark"] .home-mode-btn.is-active {
  border-color: rgba(126, 210, 223, 0.56);
  background: rgba(126, 210, 223, 0.14);
  color: #e4f4ff;
}

:root[data-theme="dark"] .sidebar-link.is-current,
:root[data-theme="dark"] .page-toc a.is-active {
  color: #e9f6ff;
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-row > a {
  border-color: rgba(126, 210, 223, 0.26);
  background: linear-gradient(135deg, rgba(23, 37, 59, 0.96) 0%, rgba(18, 30, 47, 0.98) 100%);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-link-index {
  background: rgba(126, 210, 223, 0.14);
  color: #d9f2ff;
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-link-cue {
  color: rgba(255, 190, 134, 0.8);
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-row > a.is-active {
  border-color: rgba(255, 190, 134, 0.36);
  background: linear-gradient(135deg, rgba(34, 54, 78, 0.98) 0%, rgba(25, 41, 61, 0.98) 100%);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.32);
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-row > a.is-active .page-toc-link-index {
  background: rgba(255, 190, 134, 0.18);
  color: #ffedd8;
}

:root[data-theme="dark"] .topics-menu-panel,
:root[data-theme="dark"] .page-tools-card,
:root[data-theme="dark"] .related-reports,
:root[data-theme="dark"] .article-branch-nav,
:root[data-theme="dark"] .article-branch-section {
  border-color: rgba(126, 210, 223, 0.22);
  background: #132137;
}

:root[data-theme="dark"] .page-action-button:not([disabled]) {
  border-color: rgba(126, 210, 223, 0.32);
  background: linear-gradient(180deg, #20324e 0%, #17253b 100%);
  color: var(--heading);
}

:root[data-theme="dark"] .page-action-button:not([disabled]):hover {
  border-color: rgba(255, 190, 134, 0.42);
  background: linear-gradient(180deg, #27405f 0%, #1b2d46 100%);
}

:root[data-theme="dark"] .page-media-actions .page-action-button:not([disabled]) {
  background: rgba(17, 26, 43, 0.94);
}

:root[data-theme="dark"] .page-action-toast {
  background: rgba(17, 26, 43, 0.96);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"] .article-branch-graph {
  border-color: rgba(126, 210, 223, 0.26);
  background: linear-gradient(180deg, rgba(20, 35, 56, 0.92) 0%, rgba(18, 30, 50, 0.88) 100%);
}

:root[data-theme="dark"] .branch-graph-canvas {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(17, 31, 49, 0.96) 0%, rgba(12, 24, 40, 0.94) 100%);
}

:root[data-theme="dark"] .branch-graph-node rect {
  fill: rgba(19, 34, 54, 0.95);
  stroke: rgba(126, 210, 223, 0.34);
}

:root[data-theme="dark"] .branch-graph-node text {
  fill: #d8ebff;
}

:root[data-theme="dark"] .branch-graph-node-current rect {
  fill: rgba(126, 210, 223, 0.14);
  stroke: rgba(126, 210, 223, 0.52);
}

:root[data-theme="dark"] .topics-menu-group {
  border-color: rgba(126, 210, 223, 0.2);
  background: #102038;
}

:root[data-theme="dark"] .topics-menu-link:hover {
  background: rgba(126, 210, 223, 0.2);
}

@media (max-width: 1200px) {
  :root {
    --sidebar-left-track: clamp(200px, 23.4vw, 248px);
    --sidebar-right-track: clamp(164px, 17.2vw, 200px);
    --sidebar-left-track-solo: clamp(212px, 25.2vw, 264px);
    --sidebar-right-track-solo: clamp(148px, 14.4vw, 184px);
    --sidebar-tree-indent: 0.3rem;
    --sidebar-tree-indent-pad: 0.32rem;
    --sidebar-link-size: 0.86rem;
  }

  .layout-grid-article {
    grid-template-columns: var(--sidebar-left-track) minmax(0, 2.5fr);
  }

  .layout-grid-article > .sidebar,
  .layout-grid-article > .main-content,
  .layout-grid-article > .page-tools {
    order: initial;
  }

  body.profile-editorial .layout-grid-article,
  body.layout-magazine .layout-grid-article {
    grid-template-columns: var(--sidebar-left-track) minmax(0, 2.2fr);
  }

  body.layout-dossier .layout-grid-article {
    grid-template-columns: var(--sidebar-left-track) minmax(0, 2.35fr);
  }

  body.profile-compact .layout-grid-article,
  body.layout-compact-grid .layout-grid-article {
    grid-template-columns: var(--sidebar-left-track) minmax(0, 2.35fr);
  }

  body.left-sidebar-collapsed .layout-grid-article {
    grid-template-columns: minmax(0, 1fr);
  }

  body.right-sidebar-collapsed .layout-grid-article {
    grid-template-columns: var(--sidebar-left-track) minmax(0, 1fr);
  }

  .page-tools {
    position: static;
    top: auto;
    grid-column: 1 / -1;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    max-height: none;
    overflow: visible;
  }

  .page-tools-header {
    position: static;
    top: auto;
  }
}

@media (max-width: 1050px) {
  .topic-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topic-card-grid-featured {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.layout-dossier .topic-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.profile-compact .topic-card-grid,
  body.layout-compact-grid .topic-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.profile-compact .topic-card-grid-featured,
  body.layout-compact-grid .topic-card-grid-featured {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  :root {
    --sidebar-link-size: 0.88rem;
  }

  .nav-pill,
  .topics-menu-link,
  .sidebar-tree-btn,
  .sidebar-filter,
  .sidebar-filter-clear,
  .mobile-sidebar-trigger {
    min-height: 2.36rem;
  }

  .theme-toggle,
  .appearance-toggle,
  .sidebar-dock-toggle,
  .sidebar-toggle {
    width: 2.36rem;
    min-width: 2.36rem;
    height: 2.36rem;
    min-height: 2.36rem;
  }

  .sidebar-toggle {
    margin-top: 0;
    font-size: 1rem;
  }

  .sidebar-tree-btn {
    font-size: 0.8rem;
    padding: 0.5rem 0.68rem;
  }

  .topics-menu-link {
    padding: 0.56rem 0.62rem;
  }

  .topics-menu-link-child {
    min-height: 2rem;
    font-size: 0.78rem;
  }

  .layout-grid-article {
    grid-template-columns: minmax(0, 1fr);
  }

  body.profile-editorial .layout-grid-article,
  body.layout-magazine .layout-grid-article,
  body.layout-dossier .layout-grid-article,
  body.profile-compact .layout-grid-article,
  body.layout-compact-grid .layout-grid-article {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-mobile-layout="article-first"] .article-content {
    order: 1;
  }

  :root[data-mobile-layout="article-first"] .sidebar {
    order: 2;
  }

  :root[data-mobile-layout="sidebar-first"] .article-content {
    order: 2;
  }

  :root[data-mobile-layout="sidebar-first"] .sidebar {
    order: 1;
  }

  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .sidebar-section-header {
    position: static;
    top: auto;
  }

  :root[data-mobile-sidebar="collapsible"] .mobile-sidebar-trigger {
    display: inline-flex;
  }

  .mobile-quick-nav {
    display: flex;
  }

  body.page-article .article-breadcrumbs {
    display: none;
  }

  :root[data-mobile-sidebar="collapsible"] .sidebar {
    display: none;
  }

  :root[data-mobile-sidebar="collapsible"] body.mobile-sidebar-open .sidebar {
    display: block;
  }

  :root[data-mobile-sidebar="collapsible"] body.right-sidebar-collapsed .sidebar,
  :root[data-mobile-sidebar="collapsible"] body.right-sidebar-collapsed.mobile-sidebar-open .sidebar {
    display: none;
  }

  :root[data-mobile-sidebar="collapsible"] .mobile-sidebar-header {
    display: flex;
  }

  .page-tools {
    position: static;
    order: 3;
    grid-template-columns: minmax(0, 1fr);
  }

  body.page-article .mobile-page-tools {
    display: block;
  }

  body.page-article .page-tools {
    display: none;
  }

  .sidebar-dock-left {
    position: relative;
    top: auto;
    left: auto;
  }
}

@media (max-width: 800px) {
  :root {
    --anchor-offset: 1rem;
  }

  .site-header {
    position: static;
  }

  .header-inner {
    gap: 0.42rem 0.65rem;
    padding: 0.48rem 0;
  }

  .site-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.06em;
  }

  .site-nav {
    gap: 0.36rem;
  }

  .sidebar-dock-tools {
    top: 0.72rem;
    left: auto;
    right: 0.72rem;
  }

  .sidebar-dock-tools .sidebar-dock-menu,
  .sidebar-dock-tools .sidebar-dock-toast {
    left: auto;
    right: 0;
  }

  .sidebar-dock-tools .sidebar-dock-menu::before,
  .sidebar-dock-tools .sidebar-dock-menu::after,
  .sidebar-dock-tools .sidebar-dock-toast::before,
  .sidebar-dock-tools .sidebar-dock-toast::after {
    left: auto;
    right: 0.9rem;
  }

  .sidebar-dock-menu {
    width: min(16rem, calc(100vw - 1.1rem));
    border-radius: 12px;
    padding: 0.54rem;
  }

  .sidebar-dock-title {
    margin-bottom: 0.38rem;
    font-size: 0.74rem;
    letter-spacing: 0.05em;
  }

  .sidebar-dock-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2.3rem;
    padding: 0.5rem 0.68rem;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(11, 114, 133, 0.08), rgba(11, 114, 133, 0.03));
    font-size: 0.78rem;
  }

  .sidebar-dock-action::after {
    content: "Open";
    color: var(--brand-dark);
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.76;
  }

  .topics-menu-panel {
    right: auto;
    left: 0;
    min-width: min(92vw, 24rem);
  }

  .nav-pill {
    min-height: 2.12rem;
    padding: 0.34rem 0.72rem;
    font-size: 0.78rem;
  }

  .theme-toggle,
  .appearance-toggle,
  .sidebar-dock-toggle,
  .sidebar-toggle {
    width: 2.12rem;
    min-width: 2.12rem;
    height: 2.12rem;
    min-height: 2.12rem;
  }

  .topics-menu-link-child {
    min-height: 1.78rem;
    font-size: 0.74rem;
  }

  .mobile-quick-nav {
    gap: 0.32rem;
  }

  .mobile-quick-nav .nav-pill {
    min-height: 2.1rem;
    font-size: 0.74rem;
    padding: 0.34rem 0.58rem;
  }

  .page-content .container {
    border-radius: 14px;
    padding: 1rem 0.9rem 1.5rem;
  }

  .layout-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  .article-hero {
    padding: 0.8rem 0.8rem 0.9rem;
  }

  .article-hero-grid.has-visual {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-hero-media {
    max-width: min(100%, 28rem);
  }

  .article-breadcrumbs {
    gap: 0.24rem;
    font-size: 0.72rem;
  }

  .article-breadcrumbs .breadcrumb-link,
  .article-breadcrumbs .breadcrumb-current {
    max-width: none;
  }

  .article-branch-grid {
    grid-template-columns: 1fr;
  }

  .article-body > * {
    max-width: 100%;
  }

  .page-tools {
    gap: 0.55rem;
  }

  .home-hero {
    padding: 0.9rem 0.85rem 1rem;
  }

  .home-stats {
    gap: 0.35rem;
  }

  .home-stat {
    font-size: 0.72rem;
    padding: 0.24rem 0.48rem;
  }

  .home-jump-links {
    gap: 0.4rem;
  }

  .home-controls {
    margin-bottom: 0.9rem;
  }

  .home-mode-switcher {
    padding: 0.56rem 0.58rem 0.62rem;
  }

  .home-mode-switcher-buttons {
    gap: 0.3rem;
  }

  .home-mode-btn {
    font-size: 0.72rem;
    padding: 0.22rem 0.52rem;
  }

  .topic-card-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .topic-card-grid-featured {
    grid-template-columns: 1fr;
  }

  body.profile-editorial .topic-card-grid,
  body.layout-magazine .topic-card-grid,
  body.layout-dossier .topic-card-grid,
  body.profile-compact .topic-card-grid,
  body.layout-compact-grid .topic-card-grid {
    grid-template-columns: 1fr;
  }

  body.profile-editorial .topic-card-grid-featured,
  body.layout-magazine .topic-card-grid-featured,
  body.layout-dossier .topic-card-grid-featured,
  body.profile-compact .topic-card-grid-featured,
  body.layout-compact-grid .topic-card-grid-featured {
    grid-template-columns: 1fr;
  }

  .svg-gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .related-reports-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-tagline {
    display: none;
  }
}

/* Visual DNA overrides (deterministic per site) */
:root {
  --font-heading-stack: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  --font-body-stack: "Merriweather", Georgia, serif;
  --brand: #205fa8;
  --brand-dark: #19457b;
  --accent: #d07111;
  --dna-bg-orb-1: rgba(32, 95, 168, 0.18);
  --dna-bg-orb-2: rgba(208, 113, 17, 0.15);
  --dna-bg-orb-3: rgba(23, 84, 152, 0.1);
  --dna-bg-top: #f6f9fd;
  --dna-bg-bottom: #edf2f9;
  --dna-hero-start: rgba(234, 244, 255, 0.92);
  --dna-hero-end: rgba(255, 244, 232, 0.84);
  --dna-hero-glow: rgba(25, 69, 123, 0.2);
  --dna-level-1-start: #205fa8;
  --dna-level-1-end: #4e88d8;
  --dna-level-2-start: #2a78b4;
  --dna-level-2-end: #5eb6f2;
  --dna-level-3-start: #a85f18;
  --dna-level-3-end: #e29f59;
  --dna-pill-border: rgba(32, 95, 168, 0.28);
  --dna-pill-bg: linear-gradient(180deg, #ffffff 0%, #eaf1fc 100%);
  --dna-pill-hover-border: rgba(25, 69, 123, 0.52);
  --dna-pill-hover-bg: linear-gradient(180deg, #ffffff 0%, #dce8f9 100%);
  --dna-pill-text: #19457b;
  --dna-orb-pos-1: 12% 2%;
  --dna-orb-pos-2: 90% 22%;
  --dna-orb-pos-3: 56% 86%;
}
:root[data-theme="dark"] {
  --brand: #8ac2ff;
  --brand-dark: #cfe8ff;
  --accent: #ffc483;
  --dna-bg-orb-1: rgba(138, 194, 255, 0.2);
  --dna-bg-orb-2: rgba(255, 196, 131, 0.16);
  --dna-bg-orb-3: rgba(105, 170, 246, 0.16);
  --dna-bg-top: #0a1324;
  --dna-bg-bottom: #0d1629;
  --dna-hero-start: rgba(19, 33, 58, 0.96);
  --dna-hero-end: rgba(34, 25, 21, 0.9);
  --dna-hero-glow: rgba(138, 194, 255, 0.24);
  --dna-pill-border: rgba(138, 194, 255, 0.42);
  --dna-pill-bg: linear-gradient(180deg, #1e3253 0%, #182842 100%);
  --dna-pill-hover-border: rgba(255, 196, 131, 0.52);
  --dna-pill-hover-bg: linear-gradient(180deg, #29456e 0%, #1e3253 100%);
  --dna-pill-text: #e2efff;
}
body.motif-orbital {
  --dna-orb-pos-1: 12% 2%;
  --dna-orb-pos-2: 90% 22%;
  --dna-orb-pos-3: 56% 86%;
}
body.motif-horizon {
  --dna-orb-pos-1: 4% 11%;
  --dna-orb-pos-2: 86% 15%;
  --dna-orb-pos-3: 60% 92%;
}
body.motif-constellation {
  --dna-orb-pos-1: 18% 4%;
  --dna-orb-pos-2: 78% 27%;
  --dna-orb-pos-3: 42% 84%;
}
body {
  background:
    radial-gradient(circle at var(--dna-orb-pos-1), var(--dna-bg-orb-1) 0%, rgba(0, 0, 0, 0) 42%),
    radial-gradient(circle at var(--dna-orb-pos-2), var(--dna-bg-orb-2) 0%, rgba(0, 0, 0, 0) 38%),
    radial-gradient(circle at var(--dna-orb-pos-3), var(--dna-bg-orb-3) 0%, rgba(0, 0, 0, 0) 44%),
    linear-gradient(180deg, var(--dna-bg-top) 0%, var(--page-bg) 56%, var(--dna-bg-bottom) 100%);
}
.home-hero,
.article-hero {
  background: linear-gradient(145deg, var(--dna-hero-start) 0%, var(--dna-hero-end) 100%);
}
.home-hero::after {
  background: radial-gradient(circle, var(--dna-hero-glow) 0%, rgba(0, 0, 0, 0) 72%);
}
.topic-card::before {
  background: linear-gradient(90deg, var(--dna-level-1-start) 0%, var(--dna-level-1-end) 100%);
}
.topic-card.level-2::before {
  background: linear-gradient(90deg, var(--dna-level-2-start) 0%, var(--dna-level-2-end) 100%);
}
.topic-card.level-3::before {
  background: linear-gradient(90deg, var(--dna-level-3-start) 0%, var(--dna-level-3-end) 100%);
}
.nav-pill {
  color: var(--dna-pill-text);
  border-color: var(--dna-pill-border);
  background: var(--dna-pill-bg);
}
.nav-pill:hover {
  border-color: var(--dna-pill-hover-border);
  background: var(--dna-pill-hover-bg);
}
.home-hero,
.home-featured,
.topic-card {
  animation: dna-rise-fade 420ms ease both;
}
.topic-card-grid .topic-card:nth-child(2n),
.topic-card-grid-featured .topic-card:nth-child(2n) {
  animation-delay: 70ms;
}
.topic-card-grid .topic-card:nth-child(3n) {
  animation-delay: 120ms;
}
@keyframes dna-rise-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
  }
  .home-hero,
  .home-featured,
  .topic-card,
  .nav-pill,
  .footer-link,
  .footer-link-button,
  .home-mode-disclosure-summary,
  .mobile-page-tools-summary {
    animation: none !important;
    transition: none !important;
  }
}


.home-hierarchy-band {
  margin: 0 0 1rem;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(242, 248, 252, 0.96) 100%);
  box-shadow: var(--shadow-soft);
  padding: 0.95rem 1rem 1rem;
}

.home-hierarchy-band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 0.8rem;
  margin-bottom: 0.55rem;
}

.home-hierarchy-kicker {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-hierarchy-band h2 {
  margin: 0;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
}

.home-hierarchy-note {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.hierarchy-graph {
  overflow: hidden;
  border: 1px solid rgba(11, 114, 133, 0.18);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(239, 247, 250, 0.94) 100%);
  padding: 0.45rem;
}

.hierarchy-graph-home[data-hierarchy-mode="tree-diagram"] {
  overflow-x: auto;
  overflow-y: hidden;
}

.hierarchy-graph-home[data-hierarchy-mode="tree-diagram"] .hierarchy-graph-canvas {
  min-width: 1040px;
}

.hierarchy-graph-canvas {
  display: block;
  width: 100%;
  min-height: 280px;
  border-radius: 14px;
}

.hierarchy-graph-edge {
  fill: none;
  stroke: rgba(11, 114, 133, 0.34);
  stroke-width: 2.1;
  opacity: 0.85;
}

.hierarchy-graph-edge-tree,
.branch-graph-edge-parent {
  stroke: rgba(11, 114, 133, 0.56);
}

.branch-graph-edge-sibling {
  stroke: rgba(53, 100, 194, 0.44);
}

.branch-graph-edge-child {
  stroke: rgba(158, 79, 13, 0.44);
}

.hierarchy-graph-node,
.branch-graph-node {
  filter: drop-shadow(0 8px 16px rgba(23, 32, 56, 0.12));
}

.hierarchy-graph-card {
  fill: rgba(255, 255, 255, 0.98);
  stroke: rgba(23, 32, 56, 0.16);
  stroke-width: 1.2;
}

.hierarchy-graph-accent {
  fill: var(--brand);
}

.hierarchy-graph-node-root .hierarchy-graph-accent,
.hierarchy-graph-node-current .hierarchy-graph-accent {
  fill: var(--brand);
}

.hierarchy-graph-node-branch .hierarchy-graph-accent,
.hierarchy-graph-node-parent .hierarchy-graph-accent,
.hierarchy-graph-node-sibling .hierarchy-graph-accent {
  fill: #3564c2;
}

.hierarchy-graph-node-child .hierarchy-graph-accent,
.hierarchy-graph-node-child-cluster .hierarchy-graph-accent {
  fill: #9e4f0d;
}

.hierarchy-graph-node-cluster .hierarchy-graph-accent,
.hierarchy-graph-node-sibling-cluster .hierarchy-graph-accent {
  fill: var(--accent);
}

.hierarchy-graph-thumb {
  opacity: 0.94;
}

.hierarchy-graph-label {
  fill: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.hierarchy-graph-badge {
  fill: rgba(11, 114, 133, 0.12);
  stroke: rgba(11, 114, 133, 0.22);
  stroke-width: 1;
}

.hierarchy-graph-badge-text {
  fill: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 11px;
  font-weight: 700;
  text-anchor: middle;
}

.hierarchy-graph-anchor {
  cursor: pointer;
}

.hierarchy-graph-anchor:hover .hierarchy-graph-card,
.hierarchy-graph-anchor:focus .hierarchy-graph-card,
.hierarchy-graph-anchor:focus-visible .hierarchy-graph-card {
  stroke: rgba(15, 76, 92, 0.7);
  stroke-width: 1.8;
}

.home-cluster-shell {
  padding: 0.92rem 0.96rem 0.9rem;
}

.home-cluster-map-board {
  display: grid;
  gap: 1.55rem;
}

.home-cluster-root-card,
.home-cluster-focus-tray,
.home-cluster-card,
.home-cluster-overflow {
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--card-shadow);
}

.home-cluster-root-card,
.home-cluster-focus-tray {
  border-radius: 18px;
}

.home-cluster-root-card {
  position: relative;
  justify-self: center;
  width: min(100%, 58rem);
  padding: 1.02rem 1.08rem;
  box-shadow: 0 14px 28px rgba(24, 35, 26, 0.08);
}

.home-cluster-root-card::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1rem;
  width: 1px;
  height: 1rem;
  background: rgba(88, 142, 166, 0.36);
}

.home-cluster-root-head,
.home-cluster-branch-head,
.home-cluster-focus-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.62rem;
}

.home-cluster-root-text,
.home-cluster-branch-text,
.home-cluster-focus-text {
  min-width: 0;
}

.home-cluster-root-head {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.home-cluster-root-text {
  display: grid;
  justify-items: center;
  text-align: center;
}

.home-cluster-root-title,
.home-cluster-branch-title,
.home-cluster-focus-title,
.home-cluster-card-title {
  margin: 0;
  color: var(--heading);
  font-family: var(--font-heading-stack);
  line-height: 1.15;
}

.home-cluster-root-title {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
}

.home-cluster-root-title .home-cluster-title-link {
  display: block;
  overflow: visible;
  -webkit-line-clamp: unset;
  -webkit-box-orient: unset;
  text-wrap: pretty;
}

.home-cluster-branch-title {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}

.home-cluster-focus-title {
  font-size: clamp(1rem, 1.3vw, 1.12rem);
}

.home-cluster-branch.is-title-long .home-cluster-branch-title,
.home-cluster-card.is-title-long .home-cluster-card-title,
.home-cluster-branch.is-title-very-long .home-cluster-branch-title,
.home-cluster-card.is-title-very-long .home-cluster-card-title {
  font-size: 0.98rem;
}

.home-cluster-card.is-title-very-long .home-cluster-title-link,
.home-cluster-branch.is-title-very-long .home-cluster-title-link {
  -webkit-line-clamp: 3;
}

.home-cluster-title-link {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  text-wrap: balance;
}

.home-cluster-title-link:hover,
.home-cluster-title-link:focus-visible {
  color: var(--brand-dark);
  text-decoration: underline;
}

.home-cluster-root-summary,
.home-cluster-card-meta,
.home-cluster-focus-meta,
.home-cluster-badge,
.home-cluster-overflow {
  font-family: var(--font-heading-stack);
}

.home-cluster-root-summary,
.home-cluster-card-meta,
.home-cluster-focus-meta {
  margin: 0.18rem 0 0;
  color: color-mix(in srgb, var(--muted) 88%, var(--text) 12%);
  font-size: 0.78rem;
  line-height: 1.32;
}

.home-cluster-kicker {
  margin: 0 0 0.22rem;
  color: color-mix(in srgb, var(--muted) 84%, var(--heading) 16%);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-cluster-focus-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.22rem;
  margin-bottom: 0.3rem;
}

.home-cluster-focus-crumb,
.home-cluster-focus-crumb-button {
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  line-height: 1.2;
}

.home-cluster-focus-crumb {
  color: color-mix(in srgb, var(--muted) 84%, var(--heading) 16%);
}

.home-cluster-focus-crumb-button {
  appearance: none;
  padding: 0.18rem 0.44rem;
  border: 1px solid rgba(11, 114, 133, 0.14);
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.06);
  color: var(--brand-dark);
  cursor: pointer;
}

.home-cluster-focus-crumb-button:hover,
.home-cluster-focus-crumb-button:focus-visible {
  border-color: rgba(15, 76, 92, 0.34);
  background: rgba(11, 114, 133, 0.12);
}

.home-cluster-focus-crumb-current {
  color: var(--heading);
  font-weight: 700;
}

.home-cluster-focus-crumb-sep {
  color: color-mix(in srgb, var(--muted) 72%, var(--heading) 28%);
  font-size: 0.72rem;
}

.home-cluster-focus-context {
  margin: 0.16rem 0 0;
  color: color-mix(in srgb, var(--muted) 92%, var(--text) 8%);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  line-height: 1.35;
}

.home-cluster-root-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem;
}

.home-cluster-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.14rem 0.58rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 114, 133, 0.16);
  background: rgba(11, 114, 133, 0.06);
  color: var(--brand-dark);
  font-size: 0.73rem;
  text-transform: capitalize;
}

.home-cluster-branch-grid {
  display: grid;
  grid-template-columns: repeat(var(--home-cluster-branch-columns, 1), minmax(0, 1fr));
  gap: 1.2rem 1.35rem;
  position: relative;
  align-items: start;
  padding-top: 1.6rem;
  width: min(100%, calc((var(--home-cluster-branch-columns, 1) * 23.75rem) + ((var(--home-cluster-branch-columns, 1) - 1) * 1.35rem)));
  margin: 0 auto;
}

.home-cluster-branch-grid::before {
  content: "";
  position: absolute;
  top: 0.34rem;
  left: clamp(1.6rem, 8%, 4rem);
  right: clamp(1.6rem, 8%, 4rem);
  height: 1px;
  background: rgba(88, 142, 166, 0.28);
}

.home-cluster-branch.is-tier-sparse {
  padding: 0.88rem;
}

.home-cluster-branch.is-tier-dense,
.home-cluster-branch.is-tier-very-dense {
  padding: 0.66rem;
}

.home-cluster-branch {
  position: relative;
  display: grid;
  gap: 0.82rem;
  padding: 0.88rem 0.42rem 0.88rem;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: opacity 160ms ease, transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.home-cluster-branch::before {
  content: "";
  position: absolute;
  top: -0.98rem;
  left: 50%;
  width: 1px;
  height: 0.98rem;
  background: rgba(88, 142, 166, 0.28);
}

.home-cluster-branch-head {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.46rem;
  min-height: 7.45rem;
  padding: 0.82rem 0.9rem;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 10px 22px rgba(23, 32, 56, 0.1);
}

.home-cluster-branch-text {
  display: grid;
  justify-items: center;
  text-align: center;
}

.home-cluster-branch.is-focused {
  transform: translateY(-1px);
}

.home-cluster-branch.is-focused .home-cluster-branch-head {
  border-color: rgba(11, 114, 133, 0.34);
  box-shadow: 0 18px 30px rgba(23, 32, 56, 0.15);
}

.home-cluster-branch.is-dimmed {
  opacity: 0.48;
}

.home-cluster-l2-grid,
.home-cluster-focus-grid {
  display: grid;
  gap: 0.58rem;
}

.home-cluster-subtree {
  position: relative;
  padding-top: 1rem;
}

.home-cluster-subtree::before {
  content: "";
  position: absolute;
  top: 0.2rem;
  left: clamp(1.25rem, 14%, 3rem);
  right: clamp(1.25rem, 14%, 3rem);
  height: 1px;
  background: rgba(88, 142, 166, 0.24);
}

.home-cluster-l2-grid {
  grid-template-columns: repeat(var(--home-cluster-l2-columns, 1), minmax(0, 1fr));
  width: min(100%, calc((var(--home-cluster-l2-columns, 1) * 17.4rem) + ((var(--home-cluster-l2-columns, 1) - 1) * 0.78rem)));
  margin: 0 auto;
  justify-items: stretch;
}

.home-cluster-l2-grid > * {
  position: relative;
}

.home-cluster-l2-grid > *::before {
  content: "";
  position: absolute;
  top: -0.74rem;
  left: 50%;
  width: 1px;
  height: 0.74rem;
  background: rgba(88, 142, 166, 0.24);
}

.home-cluster-card {
  border-radius: 16px;
}

.home-cluster-branch-summary {
  display: grid;
  gap: 0.54rem;
  padding: 0.84rem 0.82rem;
}

.home-cluster-card-l2 {
  display: grid;
  gap: 0.46rem;
  width: 100%;
  max-width: 17.4rem;
  min-height: 220px;
  padding: 0.82rem 0.78rem;
  align-content: start;
  justify-self: stretch;
  aspect-ratio: 4 / 5;
}

.home-cluster-card-media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 13px;
  overflow: hidden;
  border: 1px solid rgba(23, 32, 56, 0.12);
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.2), rgba(53, 100, 194, 0.16));
  box-shadow: 0 8px 18px rgba(23, 32, 56, 0.12);
  text-decoration: none;
}

.home-cluster-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-cluster-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-cluster-card-initial {
  font-family: var(--font-heading-stack);
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.96);
}

.home-cluster-card-l2.is-tier-dense {
  min-height: 174px;
  padding: 0.68rem 0.64rem;
}

.home-cluster-card-l2.is-tier-very-dense {
  min-height: 148px;
  padding: 0.62rem 0.58rem;
}

.home-cluster-card-l3 {
  display: flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.34rem 0.48rem;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  background: rgba(11, 114, 133, 0.045);
  font-size: 0.82rem;
  line-height: 1.3;
}

.home-cluster-card-l3:hover,
.home-cluster-card-l3:focus-visible {
  background: rgba(11, 114, 133, 0.12);
}

.home-cluster-l3-list {
  display: grid;
  gap: 0.38rem;
}

.home-cluster-l3-focus {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.42rem;
}

.home-cluster-card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.22rem;
  align-items: center;
  margin-top: auto;
}

.home-cluster-count-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.42rem;
  padding: 0.08rem 0.42rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 114, 133, 0.18);
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.64rem;
  font-weight: 700;
}

.home-cluster-card-meta {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
}

.home-cluster-node-summary {
  padding: 0.48rem 0.56rem;
  border-radius: 12px;
  background: rgba(11, 114, 133, 0.07);
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.home-cluster-overflow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.6rem 0.72rem;
  border-radius: 16px;
  color: var(--brand-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(230, 243, 247, 0.92) 100%);
}

.home-cluster-overflow-l2 {
  width: min(100%, 17rem);
  min-height: 220px;
  justify-self: center;
  aspect-ratio: 4 / 5;
}

.home-cluster-group-tile {
  min-height: 120px;
}

.home-cluster-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-top: 0.25rem;
}

.home-cluster-pagination-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.home-cluster-page-meta {
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
}

.home-cluster-action,
.home-cluster-focus-close,
.home-cluster-overflow {
  appearance: none;
  border: 1px solid rgba(11, 114, 133, 0.22);
  cursor: pointer;
}

.home-cluster-action,
.home-cluster-focus-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.84rem;
  padding: 0.2rem 0.56rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.73rem;
  font-weight: 700;
}

.home-cluster-focus-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.38rem;
  align-items: center;
}

.home-cluster-action:hover,
.home-cluster-action:focus-visible,
.home-cluster-focus-close:hover,
.home-cluster-focus-close:focus-visible,
.home-cluster-overflow:hover,
.home-cluster-overflow:focus-visible {
  border-color: rgba(15, 76, 92, 0.46);
  background: rgba(11, 114, 133, 0.14);
}

.home-cluster-focus-tray {
  margin-top: 0.95rem;
  padding: 0.9rem;
}

.home-cluster-mobile-detail .home-cluster-focus-tray {
  border-width: 1.5px;
  box-shadow: 0 18px 34px rgba(20, 33, 58, 0.12);
}

.home-cluster-focus-tray[hidden] {
  display: none !important;
}

/* === Cluster Tree (ct-*) Layout === */
.home-cluster-tree-mode .home-cluster-map-board {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: min(100%, 96rem);
  margin: 0 auto;
  padding: 1rem 0.12rem 0.25rem;
}
.ct-root-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 0.55rem;
}
.ct-connector {
  display: block;
  flex-shrink: 0;
}
.ct-connector-rail {
  width: 2px;
  height: 1.45rem;
  background: rgba(88, 142, 166, 0.62);
}
.ct-connector-h {
  width: 2.18rem;
  height: 2px;
  background: rgba(88, 142, 166, 0.54);
  align-self: center;
  flex-shrink: 0;
}
.ct-connector-root {
  width: 2.4rem;
}

/* --- Branch list --- */
.ct-branch-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 1.9rem;
}
.ct-branch-list::before {
  content: "";
  position: absolute;
  top: 0;
  left: calc(1.9rem - 1px);
  bottom: 0;
  width: 2px;
  background: rgba(88, 142, 166, 0.42);
}

/* --- Tree rows --- */
.ct-tree-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 0.45rem 0;
  transition: opacity 180ms ease;
}
.ct-tree-row-l1 {
  padding: 0.85rem 0;
}
.ct-tree-row-l2 {
  padding: 0.4rem 0;
}
.ct-tree-row.ct-dimmed {
  opacity: 0.35;
}
.ct-tree-row.ct-highlighted {
  opacity: 1;
}
.ct-tree-row.ct-selected .ct-node,
.ct-fanout-item.ct-selected .ct-node,
.ct-grid-pill.ct-selected .ct-node {
  border-color: rgba(11, 114, 133, 0.48);
  box-shadow: 0 16px 30px rgba(23, 32, 56, 0.18);
}
.ct-fanout-item.ct-dimmed,
.ct-grid-pill.ct-dimmed {
  opacity: 0.42;
}

/* --- Node bubbles --- */
.ct-node {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.76rem;
  padding: 0.68rem 0.96rem;
  border-radius: 16px;
  border: 1.5px solid var(--card-border, rgba(23, 32, 56, 0.12));
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 8px 18px rgba(23, 32, 56, 0.1);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  flex-shrink: 0;
  max-width: 24rem;
}
.ct-node:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(23, 32, 56, 0.16);
  border-color: rgba(11, 114, 133, 0.3);
}
.ct-node-root {
  padding: 1rem 1.38rem;
  border-radius: 22px;
  max-width: 48rem;
  border-width: 2px;
  border-color: rgba(11, 114, 133, 0.34);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.99), rgba(233, 245, 249, 0.96));
  box-shadow: 0 16px 34px rgba(23, 32, 56, 0.16);
}
.ct-node-root-wide {
  width: min(100%, 44rem);
  max-width: min(100%, 44rem);
  padding: 1.08rem 1.46rem;
}
.ct-node-xl {
  width: 100%;
  max-width: none;
  min-height: 6.9rem;
  align-items: flex-start;
  gap: 0.94rem;
  padding: 0.96rem 1.12rem;
  border-radius: 18px;
}
.ct-node-lg {
  padding: 0.78rem 1.02rem;
  max-width: 21.75rem;
  min-height: 5rem;
}
.ct-node-md {
  padding: 0.58rem 0.86rem;
  max-width: 18.5rem;
  min-height: 4.3rem;
  font-size: 0.92rem;
}
.ct-node-sm {
  padding: 0.38rem 0.62rem;
  max-width: 14rem;
  font-size: 0.84rem;
  border-radius: 11px;
  gap: 0.42rem;
}
.ct-node-heavy {
  border-width: 2px;
  border-color: rgba(11, 114, 133, 0.22);
}
.ct-node-medium {
  border-width: 1.8px;
}

/* --- Node link + content --- */
.ct-node-link {
  display: flex;
  align-items: flex-start;
  gap: 0.62rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
  width: 100%;
  flex: 1 1 auto;
}
.ct-node-content {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: column;
  gap: 0.18rem;
}
.ct-node-kicker {
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(63, 92, 109, 0.82);
}
.ct-node-link:hover,
.ct-node-link:focus-visible {
  color: var(--brand-dark, #0b7285);
}
.ct-node-label {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-family: var(--font-heading-stack);
  font-weight: 700;
  line-height: 1.16;
  color: var(--heading, #1a202c);
  text-wrap: balance;
}
.ct-node-root .ct-node-label {
  font-size: clamp(1.12rem, 1.9vw, 1.45rem);
  -webkit-line-clamp: 4;
}
.ct-node-xl .ct-node-label {
  font-size: clamp(1rem, 1.18vw, 1.14rem);
  line-height: 1.14;
  -webkit-line-clamp: 3;
}
.ct-node-lg .ct-node-label {
  font-size: clamp(0.96rem, 1.25vw, 1.12rem);
  -webkit-line-clamp: 3;
}
.ct-node-md .ct-node-label {
  font-size: clamp(0.92rem, 1.02vw, 1rem);
}
.ct-node-sm .ct-node-label {
  font-size: 0.83rem;
  -webkit-line-clamp: 2;
}
.ct-node-summary,
.ct-node-meta {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.34;
  color: rgba(63, 92, 109, 0.94);
}
.ct-node-summary {
  -webkit-line-clamp: 2;
  font-size: 0.77rem;
}
.ct-node-meta {
  -webkit-line-clamp: 1;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(63, 92, 109, 0.88);
}
.ct-node-root .ct-node-summary {
  font-size: 0.9rem;
  -webkit-line-clamp: 3;
}
.ct-node-root .ct-node-meta,
.ct-node-xl .ct-node-meta,
.ct-node-lg .ct-node-meta {
  font-size: 0.76rem;
}

/* --- Thumbnail / initial --- */
.ct-node-thumb {
  width: 3.9rem;
  height: 3.9rem;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid rgba(23, 32, 56, 0.1);
  background: linear-gradient(180deg, rgba(244, 248, 252, 0.96) 0%, rgba(233, 240, 248, 0.9) 100%);
}
.ct-node-root .ct-node-thumb {
  width: 5.15rem;
  height: 5.15rem;
  border-radius: 14px;
}
.ct-node-lg .ct-node-thumb {
  width: 4.8rem;
  height: 4.8rem;
}
.ct-node-md .ct-node-thumb {
  width: 4.2rem;
  height: 4.2rem;
}
.ct-node-sm .ct-node-thumb {
  width: 3.35rem;
  height: 3.35rem;
  border-radius: 10px;
}
.ct-node-xl .ct-node-thumb {
  width: 6.25rem;
  height: 6.25rem;
  border-radius: 14px;
}
.ct-node-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  padding: 0.04rem;
}
.ct-node-initial {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 10px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.2), rgba(53, 100, 194, 0.16));
  color: var(--brand-dark, #0b7285);
  font-family: var(--font-heading-stack);
  font-size: 1.08rem;
  font-weight: 700;
}
.ct-node-root .ct-node-initial {
  width: 3.15rem;
  height: 3.15rem;
  font-size: 1.3rem;
}
.ct-node-xl .ct-node-initial {
  width: 4rem;
  height: 4rem;
  font-size: 1.36rem;
  border-radius: 14px;
}

/* --- Count badge --- */
.ct-node-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.72rem;
  height: 1.72rem;
  max-width: 10.5rem;
  padding: 0 0.58rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.1);
  border: 1px solid rgba(11, 114, 133, 0.18);
  color: var(--brand-dark, #0b7285);
  font-family: var(--font-heading-stack);
  font-size: 0.73rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(23, 32, 56, 0.08);
  line-height: 1;
  white-space: nowrap;
}

/* --- Expand/collapse toggle --- */
.ct-expand-toggle {
  appearance: none;
  position: absolute;
  top: 0.38rem;
  right: 0.38rem;
  min-width: 1.92rem;
  height: 1.82rem;
  padding: 0 0.52rem;
  gap: 0.26rem;
  border-radius: 999px;
  border: 1.5px solid rgba(11, 114, 133, 0.3);
  background: rgba(255, 255, 255, 0.95);
  color: var(--brand-dark, #0b7285);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(23, 32, 56, 0.14);
  transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
  z-index: 1;
}
.ct-expand-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0.68rem;
  font-size: 0.88rem;
  line-height: 1;
}
.ct-expand-toggle-text {
  display: none;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}
.ct-expand-toggle[data-toggle-state="expanded"] {
  border-color: rgba(11, 114, 133, 0.4);
  background: rgba(11, 114, 133, 0.14);
}
.ct-expand-toggle:hover,
.ct-expand-toggle:focus-visible {
  background: rgba(11, 114, 133, 0.12);
  border-color: rgba(11, 114, 133, 0.46);
  transform: translateY(-1px);
}

/* --- Cluster dot (overflow) --- */
.ct-cluster-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.1), rgba(53, 100, 194, 0.08));
  border: 1.5px dashed rgba(11, 114, 133, 0.3);
  color: var(--brand-dark, #0b7285);
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease;
  align-self: center;
  flex-shrink: 0;
}
.ct-cluster-dot:hover,
.ct-cluster-dot:focus-visible {
  background: rgba(11, 114, 133, 0.16);
  border-color: rgba(11, 114, 133, 0.5);
}

.ct-node[data-semantic-level="l1"] {
  border-color: rgba(53, 100, 194, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 246, 255, 0.96) 100%);
}
.ct-node[data-semantic-level="l1"] .ct-node-badge {
  background: rgba(53, 100, 194, 0.12);
  border-color: rgba(53, 100, 194, 0.22);
  color: #254f9d;
}
.ct-node[data-semantic-level="l2"] {
  border-color: rgba(11, 114, 133, 0.2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 250, 252, 0.96) 100%);
}
.ct-node[data-semantic-level="l2"] .ct-node-badge {
  background: rgba(11, 114, 133, 0.1);
  border-color: rgba(11, 114, 133, 0.2);
}
.ct-node-root .ct-node-badge {
  background: rgba(11, 114, 133, 0.16);
  border-color: rgba(11, 114, 133, 0.3);
}
.ct-layout-fanout .ct-node[data-semantic-level="l1"] {
  width: 100%;
  min-height: 6.25rem;
}
.ct-layout-fanout .ct-node-badge {
  align-self: flex-start;
  margin-top: 0.16rem;
}

/* --- Responsive tree layout (desktop) --- */
.ct-tree-wrap {
  position: relative;
  width: min(100%, var(--ct-tree-max-width, 92rem));
  margin: 0 auto;
  padding-top: 1rem;
}
.ct-tree-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 2px;
  background: rgba(88, 142, 166, 0.46);
}
.ct-tree-grid {
  display: grid;
  grid-template-columns: repeat(var(--ct-tree-columns, 1), minmax(0, 1fr));
  gap: 1.15rem 1.4rem;
  align-items: start;
}
.ct-tree-branch-item {
  position: relative;
  min-width: 0;
  padding-top: 1rem;
}
.ct-tree-branch-item-full {
  grid-column: 1 / -1;
}
.ct-tree-branch-item-wide {
  grid-column: span 2;
}
.ct-tree-branch-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.18rem;
  width: 2px;
  height: 1rem;
  background: rgba(88, 142, 166, 0.46);
}
.ct-tree-branch-item .ct-tree-row-l1 {
  padding: 0;
}
:root[data-theme="dark"] .ct-tree-wrap::before,
:root[data-theme="dark"] .ct-tree-branch-item::before {
  background: rgba(110, 169, 196, 0.44);
}

/* --- Fanout layout (single-root shallow trees) --- */
.ct-layout-fanout .ct-root-row {
  margin-bottom: 0.85rem;
}
.ct-connector-fanout {
  height: 1.8rem;
}
.ct-fanout-wrap {
  position: relative;
  width: min(100%, 78rem);
  margin: 0 auto;
  padding-top: 1.15rem;
}
.ct-fanout-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 2px;
  background: rgba(88, 142, 166, 0.46);
}
.ct-fanout-grid {
  display: grid;
  grid-template-columns: repeat(var(--ct-fanout-columns, 3), minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}
.ct-fanout-item {
  position: relative;
  padding-top: 1rem;
  min-width: 0;
}
.ct-fanout-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 1rem;
  background: rgba(88, 142, 166, 0.46);
}
:root[data-theme="dark"] .ct-fanout-wrap::before,
:root[data-theme="dark"] .ct-fanout-item::before {
  background: rgba(110, 169, 196, 0.44);
}

/* --- L2/L3 groups --- */
.ct-l2-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.ct-l3-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
}
.ct-subtree-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
  width: min(100%, 68rem);
}
.ct-subtree-grid-l3 {
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}
.ct-subtree-card {
  position: relative;
  display: grid;
  gap: 0.46rem;
  min-width: 0;
  padding: 0.12rem 0;
}
.ct-subtree-card .ct-node {
  width: 100%;
  max-width: none;
}
.ct-subtree-card-overflow {
  display: flex;
  align-items: center;
}
.ct-subtree-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  padding-left: 0.1rem;
}
.ct-subtree-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.18rem 0.56rem;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.06);
  border: 1px solid rgba(11, 114, 133, 0.14);
  color: var(--brand-dark, #0b7285);
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
}
.ct-subtree-chip:hover,
.ct-subtree-chip:focus-visible {
  background: rgba(11, 114, 133, 0.12);
  border-color: rgba(11, 114, 133, 0.24);
}

/* --- Horizontal mode (desktop 720px+) --- */
.ct-horizontal .ct-branch-list {
  padding-left: 2.8rem;
}
.ct-horizontal .ct-branch-list::before {
  left: calc(2.8rem - 1px);
}
.ct-horizontal .ct-tree-row-l1 {
  align-items: flex-start;
}
.ct-horizontal .ct-tree-branch-item-full .ct-tree-row-l1 {
  justify-content: flex-start;
}
.ct-horizontal .ct-tree-branch-item-full .ct-l2-group,
.ct-horizontal .ct-tree-branch-item-full .ct-subtree-grid,
.ct-horizontal .ct-tree-branch-item-full .ct-subtree-chip-list {
  flex: 1 1 auto;
  min-width: 0;
}

/* --- Vertical mode (mobile < 720px) --- */
.ct-vertical .ct-tree-row {
  flex-wrap: wrap;
}
.ct-vertical .ct-connector-h {
  width: 0;
  height: 0.5rem;
  background: none;
}
.ct-vertical .ct-l2-group,
.ct-vertical .ct-l3-group {
  padding-left: 1.5rem;
  border-left: 2px solid rgba(88, 142, 166, 0.3);
  margin-left: 0.75rem;
}
.ct-vertical .ct-tree-row-l2 {
  flex-direction: column;
  gap: 0.25rem;
}
.ct-vertical .ct-node {
  max-width: 100%;
}
.ct-vertical .ct-branch-list {
  padding-left: 1rem;
}
.ct-vertical .ct-branch-list::before {
  left: calc(1rem - 1px);
}

/* --- Dark theme --- */
:root[data-theme="dark"] .ct-node {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(88, 142, 166, 0.25);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.34);
}
:root[data-theme="dark"] .ct-node-kicker {
  color: #bdd4e6;
}
:root[data-theme="dark"] .ct-node-label {
  color: #f3fbff;
}
:root[data-theme="dark"] .ct-node-summary {
  color: #d7e7f5;
}
:root[data-theme="dark"] .ct-node-meta {
  color: #c2d6e8;
}
:root[data-theme="dark"] .ct-node:hover {
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.42);
  border-color: rgba(11, 114, 133, 0.45);
}
:root[data-theme="dark"] .ct-tree-row.ct-selected .ct-node,
:root[data-theme="dark"] .ct-fanout-item.ct-selected .ct-node,
:root[data-theme="dark"] .ct-grid-pill.ct-selected .ct-node {
  border-color: rgba(255, 190, 134, 0.5);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.44);
}
:root[data-theme="dark"] .ct-node-root {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.99), rgba(17, 48, 68, 0.96));
}
:root[data-theme="dark"] .ct-node-initial {
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.35), rgba(53, 100, 194, 0.25));
}
:root[data-theme="dark"] .ct-expand-toggle {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(11, 114, 133, 0.4);
}
:root[data-theme="dark"] .ct-cluster-dot {
  background: linear-gradient(135deg, rgba(11, 114, 133, 0.2), rgba(53, 100, 194, 0.15));
  border-color: rgba(11, 114, 133, 0.4);
}
:root[data-theme="dark"] .ct-connector-rail,
:root[data-theme="dark"] .ct-connector-h,
:root[data-theme="dark"] .ct-connector-v,
:root[data-theme="dark"] .ct-branch-list::before {
  background: rgba(110, 169, 196, 0.44);
}
:root[data-theme="dark"] .ct-node[data-semantic-level="l1"] {
  background: linear-gradient(180deg, rgba(32, 48, 76, 0.98) 0%, rgba(25, 38, 60, 0.96) 100%);
  border-color: rgba(118, 154, 230, 0.28);
}
:root[data-theme="dark"] .ct-node[data-semantic-level="l1"] .ct-node-badge {
  background: rgba(118, 154, 230, 0.16);
  border-color: rgba(118, 154, 230, 0.26);
  color: #dbe5ff;
}
:root[data-theme="dark"] .ct-node[data-semantic-level="l2"] {
  background: linear-gradient(180deg, rgba(27, 42, 61, 0.98) 0%, rgba(23, 35, 51, 0.96) 100%);
}
:root[data-theme="dark"] .ct-subtree-chip {
  background: rgba(11, 114, 133, 0.12);
  border-color: rgba(88, 142, 166, 0.22);
  color: #d8eef6;
}
:root[data-theme="dark"] .ct-subtree-chip:hover,
:root[data-theme="dark"] .ct-subtree-chip:focus-visible {
  background: rgba(11, 114, 133, 0.22);
  border-color: rgba(88, 142, 166, 0.34);
}

/* --- Strategy sub-switcher pills --- */
.ct-strategy-switcher {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.36rem 0.48rem;
  margin-bottom: 0.8rem;
  border-radius: 12px;
  background: rgba(23, 32, 56, 0.025);
  border: 1px solid rgba(88, 142, 166, 0.12);
}
.ct-strategy-switcher-label {
  font-family: var(--font-heading-stack);
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  opacity: 0.82;
}
.ct-strategy-switcher-buttons {
  display: flex;
  gap: 0.38rem;
  flex-wrap: wrap;
}
.ct-strategy-btn {
  appearance: none;
  border: 1.5px solid rgba(23, 32, 56, 0.12);
  background: rgba(255, 255, 255, 0.78);
  color: var(--heading, #1a202c);
  font-family: var(--font-heading-stack);
  font-size: 0.69rem;
  font-weight: 600;
  padding: 0.18rem 0.52rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 100ms ease;
}
.ct-strategy-btn:hover,
.ct-strategy-btn:focus-visible {
  background: rgba(11, 114, 133, 0.08);
  border-color: rgba(11, 114, 133, 0.3);
  color: var(--brand-dark, #0b7285);
}
.ct-strategy-btn.is-active {
  background: rgba(11, 114, 133, 0.12);
  border-color: rgba(11, 114, 133, 0.35);
  color: var(--brand-dark, #0b7285);
}
:root[data-theme="dark"] .ct-strategy-switcher {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}
:root[data-theme="dark"] .ct-strategy-btn {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(88, 142, 166, 0.2);
}
:root[data-theme="dark"] .ct-strategy-btn:hover,
:root[data-theme="dark"] .ct-strategy-btn:focus-visible {
  background: rgba(11, 114, 133, 0.15);
  border-color: rgba(11, 114, 133, 0.4);
}
:root[data-theme="dark"] .ct-strategy-btn.is-active {
  background: rgba(11, 114, 133, 0.2);
  border-color: rgba(11, 114, 133, 0.45);
}

/* --- Grid pill tag-cloud sizing --- */
.ct-grid-pill-lg {
  flex-basis: auto;
}
.ct-grid-pill-lg .ct-node {
  border-left: 3px solid var(--brand-dark, #0b7285);
}
.ct-grid-pill-md .ct-node {
  border-left: 2px solid rgba(11, 114, 133, 0.4);
}
.ct-grid-pill-expanded {
  flex-basis: 100%;
  border: 1px solid rgba(11, 114, 133, 0.15);
  border-radius: 14px;
  padding: 0.5rem;
  background: rgba(11, 114, 133, 0.03);
}

/* --- Grid expanded card list --- */
.ct-grid-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.45rem;
  padding: 0.5rem 0 0;
  width: 100%;
}
.ct-grid-card {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(23, 32, 56, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  color: var(--heading, #1a202c);
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 120ms ease, border-color 120ms ease;
}
.ct-grid-card:hover {
  background: rgba(11, 114, 133, 0.06);
  border-color: rgba(11, 114, 133, 0.25);
}
.ct-grid-card-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ct-grid-card-badge {
  flex-shrink: 0;
  min-width: 1.4rem;
  height: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(11, 114, 133, 0.1);
  color: var(--brand-dark, #0b7285);
  font-size: 0.65rem;
  font-weight: 700;
}
.ct-grid-card-sub {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.15rem 0 0.3rem 1rem;
}
.ct-grid-card-sub-link {
  font-size: 0.72rem;
  color: var(--brand-dark, #0b7285);
  text-decoration: none;
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  background: rgba(11, 114, 133, 0.05);
  transition: background 100ms;
}
.ct-grid-card-sub-link:hover {
  background: rgba(11, 114, 133, 0.12);
}
.ct-grid-card-sub-more {
  font-size: 0.68rem;
  color: var(--muted, #6b7280);
  padding: 0.12rem 0.3rem;
}

/* Dark mode grid cards */
:root[data-theme="dark"] .ct-grid-pill-expanded {
  border-color: rgba(88, 142, 166, 0.2);
  background: rgba(11, 114, 133, 0.06);
}

.ct-grid-pill-selected {
  border-color: rgba(11, 114, 133, 0.3);
  background: rgba(11, 114, 133, 0.08);
}
:root[data-theme="dark"] .ct-grid-card {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(88, 142, 166, 0.15);
}
:root[data-theme="dark"] .ct-grid-card:hover {
  background: rgba(11, 114, 133, 0.15);
  border-color: rgba(11, 114, 133, 0.3);
}
:root[data-theme="dark"] .ct-grid-card-sub-link {
  background: rgba(11, 114, 133, 0.08);
}
:root[data-theme="dark"] .ct-grid-card-sub-link:hover {
  background: rgba(11, 114, 133, 0.18);
}

/* --- Deep nesting overflow scroll --- */
.ct-branch-list {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- Cascade wrapping: even spacing for 6+ siblings --- */
.ct-layout-cascade .ct-branch-row {
  max-width: 100%;
}
.ct-layout-cascade .ct-node {
  max-width: 220px;
}

/* --- Mobile responsive cluster diagram --- */
@media (max-width: 720px) {
  /* Strategy switcher: scrollable on narrow screens */
  .ct-strategy-switcher-buttons {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.3rem;
  }
  .ct-strategy-btn {
    white-space: nowrap;
    font-size: 0.68rem;
    padding: 0.28rem 0.5rem;
  }

  /* Cascade: single vertical column */
  .ct-layout-cascade .ct-branch-row {
    flex-direction: column;
    align-items: stretch;
  }
  .ct-layout-cascade .ct-node {
    max-width: 100%;
  }
  .ct-layout-cascade .ct-connector-v {
    display: none;
  }

  /* Tree: vertical stack for branches */
  .ct-tree-row {
    flex-direction: column;
    align-items: stretch;
  }
  .ct-branch-list {
    flex-direction: column;
    gap: 0.5rem;
    overflow-x: visible;
  }

  /* Grid: 2-column pills, smaller text */
  .ct-grid-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.4rem;
  }
  .ct-grid-pill .ct-node {
    font-size: 0.72rem;
    padding: 0.4rem 0.55rem;
  }
  .ct-grid-card-list {
    grid-template-columns: 1fr;
  }

  .ct-subtree-grid {
    grid-template-columns: 1fr;
    width: 100%;
  }
  .ct-subtree-chip-list {
    padding-left: 0;
  }

  /* Node sizing adjustments */
  .ct-node-root {
    padding: 0.65rem 0.8rem;
    font-size: 0.88rem;
  }
  .ct-node-root-wide {
    width: 100%;
    max-width: 100%;
  }
  .ct-node-xl {
    min-height: 0;
    padding: 0.7rem 0.8rem;
  }
  .ct-node-xl .ct-node-thumb,
  .ct-node-xl .ct-node-initial {
    width: 3.35rem;
    height: 3.35rem;
  }
  .ct-node-md, .ct-node-sm {
    padding: 0.35rem 0.5rem;
    font-size: 0.72rem;
  }

  .ct-fanout-wrap {
    width: 100%;
    padding-top: 0;
  }
  .ct-fanout-wrap::before,
  .ct-fanout-item::before {
    display: none;
  }
  .ct-fanout-grid {
    grid-template-columns: 1fr !important;
    gap: 0.6rem;
  }
  .ct-fanout-item {
    padding-top: 0;
  }
  .ct-tree-branch-item-full,
  .ct-tree-branch-item-wide {
    grid-column: 1 / -1;
  }

  /* Explorer/Tree cards: single column on mobile */
  [data-home-mode="explorer"] .home-topic-root-grid,
  [data-home-mode="tree"] .home-topic-root-grid,
  [data-home-mode="explorer"] .topic-card-grid-subtopic,
  [data-home-mode="tree"] .topic-card-grid-subtopic {
    grid-template-columns: 1fr;
  }
}

.home-detailed-catalog {
  margin: 0 0 1rem;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(239, 247, 255, 0.55) 100%);
  width: 100%;
}

.home-detailed-catalog-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.82rem 0.9rem;
}

.home-detailed-catalog-title {
  color: var(--heading);
  font-family: var(--font-heading-stack);
  font-size: 0.9rem;
  font-weight: 700;
}

.home-detailed-catalog-meta {
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
}

.home-detailed-catalog-body {
  padding: 0 0.9rem 0.95rem;
  width: 100%;
}

.article-body h2 {
  margin-top: 1.08em;
  margin-bottom: 0.4em;
}

.article-body h3 {
  margin-top: 0.94em;
  margin-bottom: 0.34em;
}

.article-body h2 + p,
.article-body h3 + p {
  margin-top: 0.22rem;
}

.nav-pill,
.topics-menu-link,
.sidebar-link,
.page-toc a,
.topic-card,
.topic-card-link {
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.nav-pill:hover,
.nav-pill:focus-visible,
.topics-menu-link:hover,
.topics-menu-link:focus-visible,
.page-toc a:hover,
.page-toc a:focus-visible {
  border-color: rgba(15, 76, 92, 0.46);
  background: rgba(11, 114, 133, 0.09);
  color: var(--brand-dark);
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  color: var(--brand-dark);
  background: rgba(11, 114, 133, 0.09);
}

.topic-card:hover,
.topic-card:focus-visible {
  border-color: rgba(15, 76, 92, 0.32);
  box-shadow: 0 14px 28px rgba(23, 32, 56, 0.14);
  transform: translateY(-2px);
}

.topic-card:hover .topic-card-link,
.topic-card:focus-visible .topic-card-link,
.topic-card-link:hover,
.topic-card-link:focus-visible {
  border-color: rgba(15, 76, 92, 0.46);
  background: rgba(11, 114, 133, 0.08);
  color: var(--brand-dark);
}

.sidebar-dock-tools {
  position: fixed;
  top: calc(var(--anchor-offset) + 0.55rem);
  left: max(0.35rem, calc((100vw - min(var(--layout-max-width), var(--layout-fluid-width))) / 2 + 0.38rem));
  z-index: 42;
}

.sidebar-dock-tools .sidebar-dock-menu,
.sidebar-dock-tools .sidebar-dock-toast {
  left: 0;
  right: auto;
}

.sidebar-dock-tools .sidebar-dock-menu::before,
.sidebar-dock-tools .sidebar-dock-menu::after,
.sidebar-dock-tools .sidebar-dock-toast::before,
.sidebar-dock-tools .sidebar-dock-toast::after {
  left: 0.88rem;
  right: auto;
}

.sidebar-dock-tools [data-sidebar-restore-item][hidden] {
  display: none !important;
}

:root[data-theme="dark"] .home-hierarchy-band {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(20, 35, 56, 0.96) 0%, rgba(15, 27, 47, 0.94) 100%);
}

:root[data-theme="dark"] .hierarchy-graph {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(16, 29, 47, 0.98) 0%, rgba(12, 23, 40, 0.96) 100%);
}

:root[data-theme="dark"] .hierarchy-graph-edge {
  stroke: rgba(126, 210, 223, 0.3);
}

:root[data-theme="dark"] .hierarchy-graph-edge-tree,
:root[data-theme="dark"] .branch-graph-edge-parent {
  stroke: rgba(126, 210, 223, 0.52);
}

:root[data-theme="dark"] .branch-graph-edge-sibling {
  stroke: rgba(104, 168, 255, 0.44);
}

:root[data-theme="dark"] .branch-graph-edge-child {
  stroke: rgba(255, 190, 134, 0.38);
}

:root[data-theme="dark"] .hierarchy-graph-card {
  fill: rgba(19, 34, 54, 0.96);
  stroke: rgba(126, 210, 223, 0.24);
}

:root[data-theme="dark"] .hierarchy-graph-label {
  fill: #e7f3ff;
}

:root[data-theme="dark"] .hierarchy-graph-badge {
  fill: rgba(126, 210, 223, 0.14);
  stroke: rgba(126, 210, 223, 0.28);
}

:root[data-theme="dark"] .hierarchy-graph-badge-text {
  fill: #cbe8ff;
}

:root[data-theme="dark"] .hierarchy-graph-anchor:hover .hierarchy-graph-card,
:root[data-theme="dark"] .hierarchy-graph-anchor:focus .hierarchy-graph-card,
:root[data-theme="dark"] .hierarchy-graph-anchor:focus-visible .hierarchy-graph-card {
  stroke: rgba(255, 190, 134, 0.6);
}

:root[data-theme="dark"] .home-cluster-root-card,
:root[data-theme="dark"] .home-cluster-focus-tray,
:root[data-theme="dark"] .home-cluster-card,
:root[data-theme="dark"] .home-cluster-overflow {
  border-color: rgba(126, 210, 223, 0.28);
  background: rgba(17, 31, 49, 0.97);
}

:root[data-theme="dark"] .home-cluster-branch {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

:root[data-theme="dark"] .home-cluster-branch-head {
  border-color: rgba(126, 210, 223, 0.26);
  background: rgba(20, 34, 53, 0.82);
  box-shadow: 0 10px 22px rgba(1, 6, 18, 0.34);
}

:root[data-theme="dark"] .home-cluster-root-card::after,
:root[data-theme="dark"] .home-cluster-branch-grid::before,
:root[data-theme="dark"] .home-cluster-branch::before,
:root[data-theme="dark"] .home-cluster-subtree::before,
:root[data-theme="dark"] .home-cluster-l2-grid::before,
:root[data-theme="dark"] .home-cluster-l2-grid > *::before {
  background: rgba(126, 210, 223, 0.22);
}

:root[data-theme="dark"] .home-cluster-badge,
:root[data-theme="dark"] .home-cluster-action,
:root[data-theme="dark"] .home-cluster-focus-close {
  border-color: rgba(126, 210, 223, 0.32);
  background: rgba(126, 210, 223, 0.16);
  color: #dff4ff;
}

:root[data-theme="dark"] .home-cluster-root-summary,
:root[data-theme="dark"] .home-cluster-card-meta,
:root[data-theme="dark"] .home-cluster-focus-meta,
:root[data-theme="dark"] .home-cluster-kicker,
:root[data-theme="dark"] .home-cluster-focus-context,
:root[data-theme="dark"] .home-cluster-focus-crumb,
:root[data-theme="dark"] .home-cluster-focus-crumb-sep {
  color: #bed0e4;
}

:root[data-theme="dark"] .home-cluster-focus-crumb-current {
  color: #f3fbff;
}

:root[data-theme="dark"] .home-cluster-focus-crumb-button {
  border-color: rgba(126, 210, 223, 0.28);
  background: rgba(126, 210, 223, 0.12);
  color: #dff4ff;
}

:root[data-theme="dark"] .home-cluster-focus-crumb-button:hover,
:root[data-theme="dark"] .home-cluster-focus-crumb-button:focus-visible {
  background: rgba(255, 190, 134, 0.14);
  border-color: rgba(255, 190, 134, 0.34);
  color: #ffedd8;
}

:root[data-theme="dark"] .home-cluster-count-badge {
  color: #f3fbff;
}

:root[data-theme="dark"] .home-cluster-card-l3 {
  background: rgba(126, 210, 223, 0.12);
  color: #dff4ff;
}

:root[data-theme="dark"] .home-cluster-card-media {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.14), rgba(59, 130, 246, 0.18));
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.34);
}

:root[data-theme="dark"] .home-cluster-count-badge,
:root[data-theme="dark"] .home-cluster-node-summary {
  border-color: rgba(126, 210, 223, 0.22);
  background: rgba(126, 210, 223, 0.1);
  color: #dff4ff;
}

:root[data-theme="dark"] .home-cluster-overflow:hover,
:root[data-theme="dark"] .home-cluster-overflow:focus-visible,
:root[data-theme="dark"] .home-cluster-action:hover,
:root[data-theme="dark"] .home-cluster-action:focus-visible,
:root[data-theme="dark"] .home-cluster-focus-close:hover,
:root[data-theme="dark"] .home-cluster-focus-close:focus-visible,
:root[data-theme="dark"] .home-cluster-card-l3:hover,
:root[data-theme="dark"] .home-cluster-card-l3:focus-visible {
  background: rgba(255, 190, 134, 0.14);
  border-color: rgba(255, 190, 134, 0.4);
  color: #ffedd8;
}

:root[data-theme="dark"] .home-detailed-catalog {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(20, 34, 56, 0.92) 0%, rgba(24, 39, 61, 0.84) 100%);
}

:root[data-theme="dark"] .mobile-quick-nav .nav-pill-button[aria-expanded="true"] {
  border-color: rgba(255, 190, 134, 0.44);
  background: rgba(255, 190, 134, 0.14);
  color: #ffedd8;
}

:root[data-theme="dark"] .mobile-page-tools-body {
  border-color: rgba(126, 210, 223, 0.24);
  background: linear-gradient(180deg, rgba(20, 34, 56, 0.96), rgba(17, 29, 47, 0.98));
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"] .nav-pill:hover,
:root[data-theme="dark"] .nav-pill:focus-visible,
:root[data-theme="dark"] .topics-menu-link:hover,
:root[data-theme="dark"] .topics-menu-link:focus-visible,
:root[data-theme="dark"] .page-toc a:hover,
:root[data-theme="dark"] .page-toc a:focus-visible,
:root[data-theme="dark"] .sidebar-link:hover,
:root[data-theme="dark"] .sidebar-link:focus-visible,
:root[data-theme="dark"] .topic-card-link:hover,
:root[data-theme="dark"] .topic-card-link:focus-visible {
  border-color: rgba(255, 190, 134, 0.52);
  background: rgba(255, 190, 134, 0.12);
  color: #ffedd8;
}

:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-row > a:hover,
:root[data-theme="dark"] .page-toc[data-page-toc-mode="flat"] .page-toc-row > a:focus-visible {
  border-color: rgba(255, 190, 134, 0.48);
  background: linear-gradient(135deg, rgba(46, 64, 87, 0.98) 0%, rgba(30, 46, 67, 0.98) 100%);
  color: #ffedd8;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"] .topic-card:hover,
:root[data-theme="dark"] .topic-card:focus-visible {
  border-color: rgba(126, 210, 223, 0.3);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.36);
}

@media (max-width: 980px) {
  .sidebar-dock-tools {
    position: relative;
    top: auto;
    left: auto;
  }

  .home-hierarchy-band {
    padding: 0.78rem 0.8rem 0.86rem;
  }

  .home-cluster-l2-grid,
  .home-cluster-focus-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-cluster-l3-focus {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .hierarchy-graph {
    padding: 0.35rem;
  }

  .hierarchy-graph-canvas {
    min-height: 310px;
  }

  .home-cluster-shell {
    padding: 0.55rem;
  }

  .ct-node-root,
  .ct-node-root-wide {
    width: min(100%, 36rem);
    max-width: 100%;
    padding: 0.82rem 0.96rem;
    gap: 0.72rem;
    border-radius: 19px;
  }

  .ct-node-root .ct-node-thumb {
    width: 4.5rem;
    height: 4.5rem;
  }

  .ct-node-root .ct-node-label {
    font-size: clamp(1rem, 4.8vw, 1.24rem);
    -webkit-line-clamp: 3;
  }

  .ct-node-root .ct-node-summary {
    font-size: 0.82rem;
    -webkit-line-clamp: 2;
  }

  .ct-node-root .ct-node-meta {
    font-size: 0.72rem;
  }

  .ct-node[data-semantic-level="l1"].ct-node-xl {
    min-height: 6rem;
    gap: 0.78rem;
    padding: 0.84rem 0.98rem;
  }

  .ct-node[data-semantic-level="l1"] .ct-node-summary {
    -webkit-line-clamp: 1;
    font-size: 0.72rem;
  }

  .ct-node[data-semantic-level="l1"] .ct-node-meta {
    font-size: 0.72rem;
  }

  .ct-expand-toggle {
    top: 0.46rem;
    right: 0.46rem;
    min-width: 2.54rem;
    height: 1.94rem;
    padding: 0 0.62rem;
  }

  .ct-expand-toggle-text {
    display: inline;
  }

  .home-cluster-root-head,
  .home-cluster-branch-head,
  .home-cluster-focus-head,
  .home-detailed-catalog-summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .home-cluster-focus-actions {
    justify-content: flex-start;
  }

  .home-cluster-root-card::after,
  .home-cluster-branch-grid::before,
  .home-cluster-branch::before,
  .home-cluster-subtree::before,
  .home-cluster-l2-grid::before,
  .home-cluster-l2-grid > *::before {
    display: none;
  }

  .home-cluster-root-head,
  .home-cluster-root-text,
  .home-cluster-branch-head,
  .home-cluster-branch-text {
    justify-items: start;
    text-align: left;
  }

  .home-cluster-root-meta {
    justify-content: flex-start;
  }

  .home-cluster-root-card {
    padding: 0.88rem 0.92rem;
  }

  .home-cluster-mobile-detail .home-cluster-map-board {
    gap: 0.7rem;
  }

  .home-cluster-mobile-detail .home-cluster-focus-tray {
    margin-top: 0.72rem;
    padding: 1rem 0.92rem;
    border-radius: 20px;
  }

  .home-cluster-branch {
    padding: 0.72rem;
  }

  .home-cluster-branch-grid,
  .home-cluster-branch-grid {
    grid-template-columns: 1fr;
  }

  .home-detailed-catalog-body {
    padding: 0 0.72rem 0.82rem;
  }
}

@media (max-width: 480px) {
  .sidebar-dock-menu {
    width: min(15rem, calc(100vw - 0.9rem));
    padding: 0.48rem;
  }

  .sidebar-dock-action {
    min-height: 2.18rem;
    padding: 0.44rem 0.6rem;
    font-size: 0.74rem;
  }

  .home-cluster-l2-grid,
  .home-cluster-focus-grid {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .ct-node-root,
  .ct-node-root-wide {
    padding: 0.72rem 0.82rem;
    gap: 0.62rem;
  }

  .ct-node-root .ct-node-thumb {
    width: 4rem;
    height: 4rem;
  }

  .ct-node-root .ct-node-label {
    font-size: clamp(0.96rem, 6.2vw, 1.14rem);
  }

  .ct-node-root .ct-node-summary {
    font-size: 0.78rem;
  }

  .ct-node[data-semantic-level="l1"].ct-node-xl {
    min-height: 5.45rem;
    gap: 0.68rem;
    padding: 0.76rem 0.86rem;
  }

  .ct-node[data-semantic-level="l1"] .ct-node-summary {
    display: none;
  }

  .home-cluster-l3-focus {
    grid-template-columns: 1fr;
  }

  .home-cluster-mobile-detail .home-cluster-focus-grid {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .home-cluster-card-l2,
  .home-cluster-overflow-l2 {
    width: min(100%, 13.5rem);
    min-height: 11.5rem;
  }

  .home-cluster-mobile-detail .home-cluster-card-l2,
  .home-cluster-mobile-detail .home-cluster-overflow-l2 {
    width: 100%;
    max-width: none;
    min-height: 0;
  }
}

@media (max-width: 360px) {
  .home-cluster-l2-grid,
  .home-cluster-focus-grid,
  .home-cluster-l3-focus {
    grid-template-columns: 1fr;
  }

  .home-cluster-card-l2,
  .home-cluster-overflow-l2 {
    min-height: 0;
  }
}

/* Stage 3 editorial polish overrides */
:root {
  --page-bg: #eef1eb;
  --surface: #fbfaf7;
  --surface-alt: #f6f4ee;
  --text: #172238;
  --muted: #465365;
  --heading: #14213a;
  --brand: #1a6a63;
  --brand-dark: #16524f;
  --accent: #b9672a;
  --border: #ccd7d0;
  --surface-border: rgba(20, 33, 58, 0.12);
  --header-bg: rgba(250, 248, 242, 0.94);
  --header-border: rgba(22, 82, 79, 0.22);
  --card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 245, 238, 0.98) 100%);
  --card-border: rgba(20, 33, 58, 0.14);
  --card-shadow: 0 10px 28px rgba(20, 33, 58, 0.08);
  --toggle-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 247, 244, 0.96) 100%);
  --toggle-border: rgba(22, 82, 79, 0.24);
  --toggle-color: #184846;
  --toggle-hover-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(227, 240, 235, 0.96) 100%);
  --toggle-hover-border: rgba(22, 82, 79, 0.42);
  --shadow-soft: 0 18px 48px rgba(20, 33, 58, 0.08);
  --sidebar-left-track: clamp(220px, 16.2vw, 254px);
  --sidebar-left-track-solo: clamp(228px, 17.2vw, 262px);
}

:root[data-theme="dark"] {
  --page-bg: #0f1726;
  --surface: #121b2c;
  --surface-alt: #101a29;
  --text: #dde7f2;
  --muted: #9aacbf;
  --heading: #f2f6fb;
  --brand: #8ed9cf;
  --brand-dark: #d7f0eb;
  --accent: #f0b382;
  --border: #2a374c;
  --surface-border: rgba(142, 217, 207, 0.16);
  --header-bg: rgba(10, 18, 31, 0.9);
  --header-border: rgba(142, 217, 207, 0.18);
  --card-bg: linear-gradient(180deg, rgba(22, 33, 52, 0.98) 0%, rgba(17, 27, 43, 0.98) 100%);
  --card-border: rgba(142, 217, 207, 0.18);
  --card-shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
  --toggle-bg: linear-gradient(180deg, rgba(29, 43, 66, 0.98) 0%, rgba(22, 33, 52, 0.98) 100%);
  --toggle-border: rgba(142, 217, 207, 0.24);
  --toggle-color: #ddeef1;
  --toggle-hover-bg: linear-gradient(180deg, rgba(37, 54, 80, 0.98) 0%, rgba(27, 40, 62, 0.98) 100%);
  --toggle-hover-border: rgba(240, 179, 130, 0.4);
  --shadow-soft: 0 22px 48px rgba(0, 0, 0, 0.42);
}

body {
  background:
    radial-gradient(circle at 12% 2%, rgba(26, 106, 99, 0.09) 0%, rgba(26, 106, 99, 0) 34%),
    radial-gradient(circle at 88% 20%, rgba(185, 103, 42, 0.08) 0%, rgba(185, 103, 42, 0) 34%),
    linear-gradient(180deg, #f7f4ec 0%, var(--page-bg) 58%, #edf0ea 100%);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 2%, rgba(142, 217, 207, 0.12) 0%, rgba(142, 217, 207, 0) 34%),
    radial-gradient(circle at 88% 20%, rgba(240, 179, 130, 0.09) 0%, rgba(240, 179, 130, 0) 34%),
    linear-gradient(180deg, #0b1220 0%, var(--page-bg) 58%, #0d1523 100%);
}

.page-content .container {
  background: color-mix(in srgb, var(--surface) 96%, white 4%);
}

.site-header {
  backdrop-filter: blur(14px);
}

.brand-block {
  min-width: 0;
  flex: 1 1 18rem;
}

.site-title-full {
  display: block;
}

.site-title-short {
  display: none;
}

.site-title {
  max-width: 30ch;
  display: inline-block;
  line-height: 1.08;
  color: color-mix(in srgb, var(--brand-dark) 86%, var(--heading) 14%);
}

.brand-name {
  color: color-mix(in srgb, var(--accent) 88%, var(--brand-dark) 12%);
}

.brand-mark {
  color: color-mix(in srgb, var(--brand) 82%, var(--brand-dark) 18%);
}

.site-nav {
  gap: 0.5rem;
}

.nav-pill {
  border-color: rgba(22, 82, 79, 0.22);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.nav-pill:hover {
  background: rgba(229, 240, 235, 0.94);
}

:root[data-theme="dark"] .nav-pill {
  background: rgba(24, 38, 59, 0.92);
}

.page-home .sidebar-dock {
  display: none !important;
}

@media (max-width: 980px) {
  .sidebar-dock {
    display: none !important;
  }
}

body.page-home {
  --layout-max-width: 1380px;
  --layout-fluid-width: 96vw;
  --measure-prose: 78ch;
  --measure-media: 78rem;
}

body.page-home .page-content .container {
  padding: clamp(1.15rem, 2vw, 2.2rem);
}

body.page-home .article-body > * {
  max-width: min(100%, 74rem);
}

body.page-home .article-body > .home-hero,
body.page-home .article-body > .home-jump-links,
body.page-home .article-body > .home-jump-overflow,
body.page-home .article-body > .home-detailed-catalog,
body.page-home .article-body > .home-mode-panel {
  max-width: min(100%, 74rem);
  margin-left: auto;
  margin-right: auto;
}

body.page-home .home-detailed-catalog-summary,
body.page-home .home-detailed-catalog-body,
body.page-home .home-detailed-catalog-body > .home-controls,
body.page-home .home-detailed-catalog-body > .home-mode-switcher,
body.page-home .home-mode-panel[data-home-mode-panel="cluster"],
body.page-home .home-mode-panel:not([data-home-mode-panel="cluster"]) {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.95fr);
  gap: 1.16rem;
  align-items: stretch;
  margin-bottom: 1.18rem;
  padding: clamp(1.32rem, 2.4vw, 2rem);
  border-radius: 28px;
  border-color: rgba(22, 82, 79, 0.22);
  background:
    radial-gradient(circle at 14% 16%, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.08) 34%, rgba(255, 255, 255, 0) 56%),
    radial-gradient(circle at 84% 18%, rgba(247, 192, 139, 0.24) 0%, rgba(247, 192, 139, 0.04) 24%, rgba(247, 192, 139, 0) 46%),
    linear-gradient(135deg, rgba(232, 244, 237, 0.98) 0%, rgba(248, 241, 232, 0.97) 46%, rgba(228, 239, 255, 0.94) 100%);
  box-shadow: 0 24px 54px rgba(16, 27, 49, 0.1);
}

.home-hero::before {
  content: "";
  position: absolute;
  left: -6rem;
  bottom: -7rem;
  width: 21rem;
  height: 21rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 105, 122, 0.18) 0%, rgba(37, 105, 122, 0.04) 36%, rgba(37, 105, 122, 0) 74%);
  pointer-events: none;
}

.home-hero::after {
  content: "";
  position: absolute;
  right: -3.8rem;
  top: -4.6rem;
  width: 16rem;
  height: 16rem;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.16) 18%, rgba(255, 255, 255, 0) 54%),
    radial-gradient(circle, rgba(185, 103, 42, 0.16) 0%, rgba(185, 103, 42, 0) 70%);
  pointer-events: none;
}

.home-hero h1 {
  max-width: 13ch;
  margin: 0.12rem 0 0.74rem;
  font-size: clamp(2.34rem, 4.4vw, 3.95rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.home-hero-copy,
.home-hero-stage {
  position: relative;
  z-index: 1;
}

.home-hero-copy {
  display: grid;
  align-content: start;
  gap: 0.88rem;
}

.home-platform-badge {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.72rem;
  width: fit-content;
  max-width: min(100%, 34rem);
  padding: 0.52rem 0.82rem 0.52rem 0.58rem;
  border: 1px solid rgba(31, 90, 36, 0.16);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 252, 0.9) 0%, rgba(243, 248, 239, 0.92) 100%);
  box-shadow: 0 12px 26px rgba(24, 35, 26, 0.08);
}

.home-platform-mark {
  width: 2.8rem;
  height: 2.8rem;
  display: block;
  color: color-mix(in srgb, var(--brand-dark) 80%, var(--brand) 20%);
}

.home-platform-mark svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 8px 16px rgba(24, 35, 26, 0.12));
}

.home-platform-copy {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.home-platform-label,
.home-platform-domain {
  margin: 0;
  font-family: var(--font-heading-stack);
  line-height: 1.15;
}

.home-platform-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 82%, var(--brand-dark) 18%);
}

.home-platform-name {
  display: block;
  font-family: var(--font-heading-stack);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--brand-dark);
}

.home-platform-domain {
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--accent) 72%, var(--muted) 28%);
}

.home-platform-note {
  max-width: 54ch;
  margin: -0.08rem 0 0;
  font-family: var(--font-heading-stack);
  font-size: 0.82rem;
  line-height: 1.5;
  color: color-mix(in srgb, var(--muted) 86%, var(--heading) 14%);
}

.home-hero-lead {
  max-width: 53ch;
  margin: 0;
  font-size: 1.09rem;
  line-height: 1.76;
  color: color-mix(in srgb, var(--text) 86%, var(--muted) 14%);
  text-wrap: pretty;
}

.home-hero-route {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.home-hero-route span,
.home-hero-topic {
  display: inline-flex;
  align-items: center;
  min-height: 2.08rem;
  padding: 0.34rem 0.76rem;
  border-radius: 999px;
  border: 1px solid rgba(22, 82, 79, 0.18);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  color: color-mix(in srgb, var(--text) 88%, var(--brand-dark) 12%);
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.home-hero-stage {
  display: grid;
  align-content: start;
  gap: 0.88rem;
  padding: 1.08rem 1.08rem 1.12rem;
  border: 1px solid rgba(20, 33, 58, 0.12);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(242, 246, 249, 0.96) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.64),
    0 18px 34px rgba(17, 31, 52, 0.08);
  backdrop-filter: blur(8px);
}

.home-hero-stage-kicker,
.home-hero-topics-label {
  margin: 0;
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--brand-dark) 72%, var(--muted) 28%);
}

.home-hero-topics {
  display: grid;
  gap: 0.48rem;
}

.home-hero-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.home-hero-stage-note {
  margin: 0;
  padding-top: 0.66rem;
  border-top: 1px solid rgba(20, 33, 58, 0.1);
  font-size: 0.82rem;
  line-height: 1.5;
  color: color-mix(in srgb, var(--muted) 88%, var(--heading) 12%);
}

.home-stat {
  border-color: rgba(22, 82, 79, 0.18);
  background: rgba(255, 255, 255, 0.84);
  color: color-mix(in srgb, var(--text) 88%, var(--brand-dark) 12%);
}

.home-hero-stage .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.52rem;
  margin-top: 0;
}

.home-hero-stage .home-stat {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 0.18rem;
  min-height: 5.15rem;
  padding: 0.86rem 0.9rem 0.88rem;
  border-radius: 18px;
  border: 1px solid rgba(22, 82, 79, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(246, 249, 251, 0.98) 100%);
  box-shadow: 0 12px 26px rgba(17, 31, 52, 0.07);
}

.home-hero-stage .home-stat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, rgba(26, 106, 99, 0.92), rgba(26, 106, 99, 0.28));
}

.home-hero-stage .home-stat:nth-child(2n)::before {
  background: linear-gradient(90deg, rgba(185, 103, 42, 0.88), rgba(185, 103, 42, 0.26));
}

.home-hero-stage .home-stat strong {
  display: block;
  font-size: 1.56rem;
  line-height: 1;
  color: var(--heading);
}

.home-stat-label {
  display: block;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.34;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 78%, var(--brand-dark) 22%);
}

.home-detailed-catalog,
.home-mode-switcher {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(244, 247, 242, 0.92) 100%);
}

.home-detailed-catalog {
  border-radius: 18px;
  border-color: rgba(20, 33, 58, 0.12);
}

.home-detailed-catalog-summary {
  align-items: flex-start;
  padding: 0.84rem 0.92rem 0.68rem;
}

.home-detailed-catalog-title {
  font-size: 1rem;
}

.home-detailed-catalog-meta {
  max-width: 48ch;
  line-height: 1.42;
  color: color-mix(in srgb, var(--muted) 86%, var(--heading) 14%);
}

.home-detailed-catalog-body {
  padding: 0 0.92rem 0.9rem;
}

.home-mode-utility {
  display: block;
  margin: 0 0 0.9rem;
}

.home-mode-utility-disclosure:not([open]) {
  margin-bottom: 0.82rem;
}

.home-browse-disclosure {
  margin: 0.95rem 0 0;
  scroll-margin-top: calc(var(--header-offset, 0px) + 1rem);
}

.home-mode-cycle-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  min-width: 2.4rem;
  height: 2.4rem;
  min-height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.home-mode-cycle-btn:hover {
  border-color: var(--toggle-hover-border);
  background: var(--toggle-hover-bg);
  transform: translateY(-1px);
}

.home-mode-cycle-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.home-mode-cycle-btn svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.home-controls {
  gap: 0.42rem;
  margin: 0 0 0.72rem;
}

.home-mode-switcher {
  margin: 0;
  padding: 0.82rem 0.92rem 0.88rem;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(244, 247, 242, 0.96) 100%);
  box-shadow: var(--card-shadow);
}

.home-mode-switcher-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.46rem;
}

.home-mode-switcher-buttons .home-mode-cycle-btn {
  margin-inline-start: auto;
}

.home-mode-toggle-shell {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 0.72rem;
}

.home-mode-toggle {
  display: inline-flex;
  align-items: center;
}

.home-mode-toggle[hidden] {
  display: none !important;
}

.home-mode-toggle-btn {
  justify-content: flex-start;
  gap: 0.42rem;
  width: auto;
  min-width: 0;
  height: 1.9rem;
  min-height: 1.9rem;
  padding: 0.2rem 0.62rem 0.2rem 0.5rem;
  border-color: rgba(19, 94, 105, 0.14);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 18px rgba(20, 33, 58, 0.06);
}

.home-mode-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.home-mode-toggle-icon svg {
  width: 0.92rem;
  height: 0.92rem;
}

.home-mode-toggle-current {
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.home-mode-disclosure {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(241, 247, 243, 0.94) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  overflow: hidden;
}

.home-mode-disclosure[open] {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(241, 247, 243, 0.98) 100%);
}

.home-mode-disclosure-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  list-style: none;
  cursor: pointer;
  color: var(--heading);
  padding: 0.78rem 0.88rem;
  transition: background 160ms ease, color 160ms ease;
}

.home-mode-disclosure-summary:hover {
  background: rgba(17, 73, 82, 0.04);
}

.home-mode-disclosure-summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.home-mode-disclosure-copy {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.home-mode-disclosure-title {
  font-family: var(--font-heading-stack);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.2;
}

.home-mode-disclosure-hint {
  color: color-mix(in srgb, var(--muted) 90%, var(--heading) 10%);
  font-family: var(--font-heading-stack);
  font-size: 0.74rem;
  font-weight: 500;
  line-height: 1.4;
  text-wrap: balance;
}

.home-mode-disclosure-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.46rem;
  flex-shrink: 0;
  margin-left: auto;
}

.home-mode-disclosure-current-label {
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-mode-disclosure-current {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.1rem 0.62rem;
  border-radius: 999px;
  border: 1px solid rgba(19, 94, 105, 0.18);
  background: rgba(19, 94, 105, 0.08);
  color: var(--brand-dark);
  font-family: var(--font-heading-stack);
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
}

.home-mode-disclosure-summary::-webkit-details-marker {
  display: none;
}

.home-mode-disclosure-summary::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  flex-shrink: 0;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  color: var(--muted);
  transform: rotate(45deg);
  transition: transform 160ms ease, color 160ms ease;
}

.home-mode-disclosure[open] .home-mode-disclosure-summary::after {
  transform: rotate(-135deg);
  color: var(--brand-dark);
}

.home-mode-switcher-panel {
  display: grid;
  gap: 0.72rem;
  padding: 0.1rem 1rem 1rem;
  border-top: 1px solid rgba(17, 73, 82, 0.08);
}

.home-mode-utility-disclosure .home-mode-switcher-panel {
  padding-top: 0.5rem;
}

.home-browse-disclosure .home-detailed-catalog-body {
  padding-top: 0.18rem;
}

.home-mode-switcher-label {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-heading-stack);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-mode-switcher-note {
  margin: 0;
  color: color-mix(in srgb, var(--muted) 88%, var(--heading) 12%);
  font-size: 0.74rem;
  line-height: 1.45;
}

.home-mode-btn {
  min-height: 2rem;
  padding: 0.34rem 0.78rem;
  border-color: rgba(19, 94, 105, 0.12);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.home-mode-btn.is-active {
  border-color: rgba(19, 94, 105, 0.34);
  background: linear-gradient(180deg, rgba(19, 94, 105, 0.16) 0%, rgba(19, 94, 105, 0.08) 100%);
  color: var(--brand-dark);
}

:root[data-theme="dark"] .home-mode-disclosure {
  border-color: rgba(126, 210, 223, 0.28);
  background: linear-gradient(180deg, rgba(20, 34, 56, 0.94) 0%, rgba(16, 28, 46, 0.96) 100%);
  box-shadow: inset 0 1px 0 rgba(126, 210, 223, 0.08);
}

:root[data-theme="dark"] .home-mode-disclosure[open] {
  background: linear-gradient(180deg, rgba(23, 39, 63, 0.98) 0%, rgba(17, 30, 50, 0.98) 100%);
}

:root[data-theme="dark"] .home-mode-disclosure-summary:hover {
  background: rgba(126, 210, 223, 0.06);
}

:root[data-theme="dark"] .home-mode-disclosure-title {
  color: #eef8ff;
}

:root[data-theme="dark"] .home-mode-disclosure-hint,
:root[data-theme="dark"] .home-mode-disclosure-current-label,
:root[data-theme="dark"] .home-mode-switcher-label,
:root[data-theme="dark"] .home-mode-switcher-note {
  color: #98b9cf;
}

:root[data-theme="dark"] .home-mode-disclosure-current {
  border-color: rgba(126, 210, 223, 0.32);
  background: rgba(126, 210, 223, 0.12);
  color: #e4f4ff;
}

:root[data-theme="dark"] .home-mode-disclosure-summary::after {
  color: #98b9cf;
}

:root[data-theme="dark"] .home-mode-disclosure[open] .home-mode-disclosure-summary::after {
  color: #e4f4ff;
}

:root[data-theme="dark"] .home-mode-switcher-panel {
  border-top-color: rgba(126, 210, 223, 0.12);
}

:root[data-theme="dark"] .home-mode-btn {
  border-color: rgba(126, 210, 223, 0.22);
  background: rgba(16, 33, 53, 0.9);
  box-shadow: inset 0 1px 0 rgba(126, 210, 223, 0.06);
}

:root[data-theme="dark"] .home-mode-btn.is-active {
  border-color: rgba(126, 210, 223, 0.42);
  background: linear-gradient(180deg, rgba(126, 210, 223, 0.2) 0%, rgba(126, 210, 223, 0.1) 100%);
  color: #e4f4ff;
}

:root[data-theme="dark"] .home-mode-toggle-btn {
  border-color: rgba(126, 210, 223, 0.22);
  background: rgba(16, 33, 53, 0.82);
  box-shadow: 0 10px 20px rgba(2, 8, 18, 0.26);
}

:root[data-theme="dark"] .ct-grid-pill-selected {
  border-color: rgba(126, 210, 223, 0.34);
  background: rgba(126, 210, 223, 0.12);
}

:root[data-theme="dark"] .home-mode-toggle-icon {
  color: #98b9cf;
}

:root[data-theme="dark"] .home-mode-toggle-current {
  color: #e4f4ff;
}

.home-hierarchy-note {
  max-width: 56ch;
  color: color-mix(in srgb, var(--muted) 90%, var(--heading) 10%);
}

.home-hierarchy-band {
  padding: 0.62rem 0.68rem 0.74rem;
}

.home-cluster-shell {
  padding: 0.38rem;
}

.home-cluster-map-board {
  gap: 0.86rem;
}

.home-cluster-root-card,
.home-cluster-branch {
  border-color: color-mix(in srgb, var(--card-border) 72%, var(--brand) 28%);
  box-shadow: 0 14px 30px rgba(20, 33, 58, 0.08);
}

.home-cluster-root-card {
  width: min(100%, 46rem);
  padding: 0.72rem 0.84rem;
}

.home-cluster-branch-grid {
  gap: 0.68rem 0.92rem;
  padding-top: 1.1rem;
  width: min(100%, calc((var(--home-cluster-branch-columns, 1) * 21rem) + ((var(--home-cluster-branch-columns, 1) - 1) * 0.92rem)));
}

.home-cluster-branch {
  gap: 0.68rem;
  padding: 0.58rem 0.64rem;
}

.home-cluster-branch-head {
  min-height: 7.1rem;
  padding: 0.76rem 0.84rem;
}

.home-cluster-root-card::after,
.home-cluster-branch-grid::before,
.home-cluster-branch::before {
  opacity: 0.85;
}

.sidebar-hide-btn,
.appearance-hide {
  text-transform: none;
}

body.page-article {
  --layout-max-width: 1420px;
  --layout-fluid-width: 96vw;
  --sidebar-left-track: clamp(220px, 16.2vw, 254px);
  --sidebar-right-track: clamp(236px, 17vw, 292px);
  --sidebar-left-track-solo: clamp(228px, 17.2vw, 262px);
  --sidebar-right-track-solo: clamp(300px, 22vw, 360px);
  --measure-prose: 78ch;
  --measure-media: 74rem;
}

:root[data-reading-width="wide"] body.page-article {
  --layout-max-width: 1560px;
  --layout-fluid-width: 98vw;
  --measure-prose: 88ch;
  --measure-media: 84rem;
}

body.page-article .layout-grid-article {
  grid-template-columns: var(--sidebar-left-track) minmax(0, 1fr) var(--sidebar-right-track);
  gap: clamp(0.46rem, 0.82vw, 0.72rem);
}

body.page-article .page-tools {
  display: grid;
}

body.page-article.left-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-right-track-solo);
}

body.page-article.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: var(--sidebar-left-track-solo) minmax(0, 1fr);
}

body.page-article.left-sidebar-collapsed.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr);
}

body.page-article.left-sidebar-collapsed.right-sidebar-collapsed .article-content {
  width: min(100%, var(--measure-media));
  justify-self: center;
}

body.page-article.left-sidebar-collapsed .page-tools {
  display: none;
}

body.page-article.page-no-tools .layout-grid-article {
  grid-template-columns: minmax(0, 1fr) var(--sidebar-right-track);
}

body.page-article.page-no-tools .main-content {
  order: 1;
}

body.page-article.page-no-tools .sidebar {
  order: 2;
}

body.page-article.page-no-tools.right-sidebar-collapsed .layout-grid-article,
body.page-article.page-no-tools.left-sidebar-collapsed.right-sidebar-collapsed .layout-grid-article {
  grid-template-columns: minmax(0, 1fr);
}

body.page-article .article-body > * {
  max-width: min(100%, var(--measure-prose));
}

body.page-article .sidebar {
  padding: 0.72rem 0.72rem 0.82rem;
  border-radius: 15px;
}

body.page-article .sidebar-tools {
  margin-bottom: 0.56rem;
}

body.page-article #page-sidebar .sidebar-item + .sidebar-item {
  margin-top: 0.3rem;
}

body.page-article #page-sidebar .sidebar-item a {
  line-height: 1.28;
}

body.page-article .article-breadcrumbs {
  color: color-mix(in srgb, var(--muted) 82%, var(--heading) 18%);
}

body.page-article.left-sidebar-collapsed .article-breadcrumbs {
  padding-inline-start: calc(2.2rem + 0.72rem);
}

body.page-article .article-hero {
  border-color: color-mix(in srgb, var(--card-border) 70%, var(--brand) 30%);
  padding: 0.92rem 0.98rem 1rem;
  overflow: hidden;
}

body.page-article .article-hero-summary {
  color: color-mix(in srgb, var(--muted) 76%, var(--heading) 24%);
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.72;
  text-wrap: pretty;
}

body.page-article .article-hero-stat {
  border-color: color-mix(in srgb, var(--card-border) 78%, var(--brand) 22%);
  background: color-mix(in srgb, var(--surface) 82%, var(--brand) 18%);
}

body.page-article .article-hero-highlights {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface) 84%, white 16%) 0%,
    color-mix(in srgb, var(--surface-alt) 90%, var(--surface) 10%) 100%
  );
}

body.page-article .article-body p,
body.page-article .article-body li {
  color: color-mix(in srgb, var(--text) 94%, var(--heading) 6%);
}

body.page-article .article-body h2,
body.page-article .article-body p.pseudo-heading-level-2 {
  position: relative;
  max-width: min(100%, 28ch);
  margin-top: 2.18rem;
  margin-bottom: 0.52rem;
  padding-top: 1.02rem;
  border-top: 1px solid color-mix(in srgb, var(--card-border) 74%, var(--brand) 26%);
  font-size: clamp(1.42rem, 2.26vw, 2rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
  text-wrap: balance;
}

body.page-article .article-body h2::before,
body.page-article .article-body p.pseudo-heading-level-2::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 4rem;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(26, 106, 99, 0.94), rgba(26, 106, 99, 0.18));
}

body.page-article .article-body h3,
body.page-article .article-body p.pseudo-heading-level-3 {
  position: relative;
  max-width: min(100%, 34ch);
  margin-top: 1.52rem;
  margin-bottom: 0.42rem;
  font-size: clamp(1.16rem, 1.82vw, 1.56rem);
  line-height: 1.14;
  letter-spacing: -0.018em;
  color: color-mix(in srgb, var(--heading) 88%, var(--brand-dark) 12%);
  text-wrap: balance;
}

body.page-article .article-body h3::before,
body.page-article .article-body p.pseudo-heading-level-3::before {
  content: "";
  display: block;
  width: 1.4rem;
  height: 2px;
  margin-bottom: 0.42rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(185, 103, 42, 0.92), rgba(185, 103, 42, 0.18));
}

body.page-article .article-body h4 {
  max-width: min(100%, 38ch);
  margin-top: 1.24rem;
  margin-bottom: 0.34rem;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: color-mix(in srgb, var(--heading) 82%, var(--muted) 18%);
}

body.page-article .article-body h2 + p,
body.page-article .article-body h3 + p,
body.page-article .article-body p.pseudo-heading-level-2 + p,
body.page-article .article-body p.pseudo-heading-level-3 + p {
  max-width: min(100%, var(--measure-prose));
  margin-top: 0.32rem;
  color: color-mix(in srgb, var(--muted) 82%, var(--heading) 18%);
  font-size: 1rem;
  line-height: 1.78;
}

body.page-article .article-body ul,
body.page-article .article-body ol {
  line-height: 1.72;
}

.further-reading-section {
  max-width: min(100%, var(--measure-media));
  margin: 2.4rem 0 0;
}

.fr-section-shell {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid color-mix(in srgb, var(--card-border) 74%, #f59e0b 26%);
  border-radius: 22px;
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.16) 0%, rgba(245, 158, 11, 0) 30%),
    linear-gradient(180deg, rgba(255, 252, 245, 0.98) 0%, rgba(249, 244, 232, 0.98) 100%);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.fr-section-header {
  display: grid;
  gap: 0.45rem;
}

.fr-section-heading {
  display: grid;
  gap: 0.16rem;
}

.fr-section-kicker,
.fr-book-kicker,
.fr-search-kicker {
  margin: 0;
  color: #8a4b08;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.fr-heading,
.fr-search-title {
  margin: 0;
  color: color-mix(in srgb, var(--heading) 88%, #7c2d12 12%);
  font-size: clamp(1.22rem, 2vw, 1.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.fr-intro,
.fr-disclosure,
.fr-search-desc {
  margin: 0;
  max-width: 68ch;
  color: color-mix(in srgb, var(--muted) 86%, var(--heading) 14%);
  font-size: 0.92rem;
  line-height: 1.62;
}

.fr-books-grid,
.fr-search-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 0.9rem;
}

.fr-book-card,
.fr-search-card {
  display: grid;
  gap: 0.9rem;
  padding: 0.95rem;
  border: 1px solid color-mix(in srgb, var(--card-border) 70%, #f59e0b 30%);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(249, 247, 241, 0.96) 100%);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}

.fr-book-card {
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: start;
}

.fr-search-card.fr-search-card-visual {
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: start;
}

.fr-book-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 122px;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.16) 0%, rgba(217, 119, 6, 0.1) 100%);
  box-shadow: inset 0 0 0 1px rgba(138, 75, 8, 0.12);
}

.fr-book-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.fr-search-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 122px;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.16) 0%, rgba(217, 119, 6, 0.1) 100%);
  box-shadow: inset 0 0 0 1px rgba(138, 75, 8, 0.12);
}

.fr-search-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.fr-book-cover-placeholder span {
  color: #8a4b08;
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fr-book-info {
  display: grid;
  gap: 0.34rem;
  min-width: 0;
}

.fr-search-info {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.fr-book-title {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.26;
}

.fr-search-card .fr-search-title {
  font-size: 1.02rem;
  line-height: 1.26;
}

.fr-book-title a {
  color: var(--heading);
  text-decoration: none;
}

.fr-book-title a:hover,
.fr-book-title a:focus-visible {
  color: #92400e;
  text-decoration: underline;
}

.fr-book-author,
.fr-book-popularity {
  margin: 0;
  color: color-mix(in srgb, var(--muted) 84%, var(--heading) 16%);
  font-size: 0.82rem;
  line-height: 1.48;
}

.fr-book-popularity {
  font-weight: 700;
}

.fr-book-desc {
  margin: 0;
  color: color-mix(in srgb, var(--text) 92%, var(--heading) 8%);
  font-size: 0.88rem;
  line-height: 1.56;
}

.fr-book-actions,
.fr-section-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.fr-amazon-btn,
.fr-browse-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.56rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(146, 64, 14, 0.18);
  background: linear-gradient(180deg, #ffca62 0%, #f59e0b 100%);
  color: #3b2203;
  font-family: var(--font-heading-stack);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
  box-shadow: 0 12px 22px rgba(245, 158, 11, 0.22);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.fr-amazon-btn:hover,
.fr-amazon-btn:focus-visible,
.fr-browse-more:hover,
.fr-browse-more:focus-visible {
  transform: translateY(-1px);
  filter: saturate(1.02);
  box-shadow: 0 16px 28px rgba(245, 158, 11, 0.3);
}

.fr-browse-more {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 247, 237, 0.98) 100%);
  box-shadow: inset 0 0 0 1px rgba(146, 64, 14, 0.08);
}

.fr-search-card {
  align-content: start;
}

.fr-search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.fr-search-tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 247, 237, 0.92);
  border: 1px solid rgba(146, 64, 14, 0.12);
  color: #92400e;
  font-family: var(--font-heading-stack);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.archive-search-shell {
  gap: 1.25rem;
}

.archive-search-form {
  display: grid;
  gap: 0.65rem;
}

.archive-search-label {
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--heading) 72%, #8a4b08 28%);
}

.archive-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.archive-search-input {
  flex: 1 1 300px;
  min-height: 3rem;
  padding: 0.8rem 0.95rem;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--card-border) 78%, #f59e0b 22%);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.archive-search-input:focus {
  outline: 2px solid rgba(245, 158, 11, 0.36);
  outline-offset: 2px;
  border-color: rgba(217, 119, 6, 0.42);
}

.archive-search-help,
.archive-search-status,
.archive-search-meta,
.archive-search-path {
  margin: 0;
  color: color-mix(in srgb, var(--muted) 86%, var(--heading) 14%);
  font-size: 0.84rem;
  line-height: 1.55;
}

.archive-search-status[data-state="empty"] {
  color: #9a3412;
}

.archive-search-status[data-state="active"] {
  color: color-mix(in srgb, var(--heading) 84%, #92400e 16%);
}

.archive-search-results {
  align-items: start;
}

.archive-search-empty {
  padding: 1rem 1.05rem;
  border: 1px dashed color-mix(in srgb, var(--card-border) 72%, #f59e0b 28%);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
}

.archive-search-empty p {
  margin: 0;
}

.fr-search-title a {
  color: inherit;
  text-decoration: none;
}

.fr-search-title a:hover,
.fr-search-title a:focus-visible {
  color: #92400e;
  text-decoration: underline;
}

.fr-search-cover-placeholder span {
  color: #8a4b08;
  font-family: var(--font-heading-stack);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fr-section-shell-fallback .fr-search-grid {
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
}

:root[data-theme="dark"] .fr-section-shell {
  border-color: rgba(251, 191, 36, 0.24);
  background:
    radial-gradient(circle at top right, rgba(251, 191, 36, 0.18) 0%, rgba(251, 191, 36, 0) 32%),
    linear-gradient(180deg, rgba(31, 41, 55, 0.98) 0%, rgba(17, 24, 39, 0.98) 100%);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .fr-book-card,
:root[data-theme="dark"] .fr-search-card {
  border-color: rgba(251, 191, 36, 0.22);
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.98) 0%, rgba(15, 23, 42, 0.98) 100%);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.24);
}

:root[data-theme="dark"] .fr-section-kicker,
:root[data-theme="dark"] .fr-book-kicker,
:root[data-theme="dark"] .fr-search-kicker {
  color: #fbbf24;
}

:root[data-theme="dark"] .fr-heading,
:root[data-theme="dark"] .fr-search-title,
:root[data-theme="dark"] .fr-book-title a {
  color: #f8fafc;
}

:root[data-theme="dark"] .fr-intro,
:root[data-theme="dark"] .fr-disclosure,
:root[data-theme="dark"] .fr-search-desc,
:root[data-theme="dark"] .fr-book-author,
:root[data-theme="dark"] .fr-book-popularity,
:root[data-theme="dark"] .fr-book-desc {
  color: #cbd5e1;
}

:root[data-theme="dark"] .fr-book-cover {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.18) 0%, rgba(217, 119, 6, 0.16) 100%);
  box-shadow: inset 0 0 0 1px rgba(251, 191, 36, 0.14);
}

:root[data-theme="dark"] .fr-search-cover {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.18) 0%, rgba(217, 119, 6, 0.16) 100%);
  box-shadow: inset 0 0 0 1px rgba(251, 191, 36, 0.14);
}

:root[data-theme="dark"] .fr-book-cover-placeholder span {
  color: #fde68a;
}

:root[data-theme="dark"] .fr-search-tag {
  background: rgba(56, 40, 13, 0.92);
  border-color: rgba(251, 191, 36, 0.16);
  color: #fde68a;
}

:root[data-theme="dark"] .archive-search-label,
:root[data-theme="dark"] .archive-search-help,
:root[data-theme="dark"] .archive-search-status,
:root[data-theme="dark"] .archive-search-meta,
:root[data-theme="dark"] .archive-search-path {
  color: #cbd5e1;
}

:root[data-theme="dark"] .archive-search-input {
  border-color: rgba(251, 191, 36, 0.18);
  background: rgba(15, 23, 42, 0.9);
  color: #f8fafc;
  box-shadow: inset 0 1px 0 rgba(251, 191, 36, 0.05);
}

:root[data-theme="dark"] .archive-search-empty {
  border-color: rgba(251, 191, 36, 0.2);
  background: rgba(15, 23, 42, 0.7);
}

:root[data-theme="dark"] .fr-search-cover-placeholder span {
  color: #fde68a;
}

:root[data-theme="dark"] .fr-amazon-btn,
:root[data-theme="dark"] .fr-browse-more {
  border-color: rgba(251, 191, 36, 0.16);
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  color: #271605;
}

:root[data-theme="dark"] .fr-browse-more {
  background: linear-gradient(180deg, rgba(56, 40, 13, 0.92) 0%, rgba(34, 28, 19, 0.96) 100%);
  color: #fde68a;
}

@media (max-width: 640px) {
  .archive-search-row {
    align-items: stretch;
  }

  .archive-search-row .nav-pill {
    width: 100%;
    justify-content: center;
  }

  .home-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-hero h1 {
    max-width: 12ch;
  }

  .home-hero-stage .home-stats {
    grid-template-columns: 1fr;
  }

  .home-mode-disclosure-summary {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .home-mode-disclosure-meta {
    margin-left: 0;
  }
}

@media (max-width: 980px) {
  .site-header {
    position: static;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .header-inner {
    gap: 0.55rem 0.7rem;
    padding: 0.75rem 0;
  }

  .site-title {
    max-width: 18ch;
    font-size: clamp(0.98rem, 4.2vw, 1.22rem);
    line-height: 1.04;
  }

  .brand-lockup {
    gap: 0.58rem;
  }

  .brand-mark {
    width: 2.3rem;
    height: 2.3rem;
  }

  .brand-name {
    font-size: 0.61rem;
    letter-spacing: 0.13em;
  }

  .site-tagline {
    display: none;
  }

  .site-title-full {
    display: none;
  }

  .site-title-short {
    display: block;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .topics-menu {
    max-width: 100%;
  }

  .topics-menu-panel {
    right: 0;
    left: auto;
    width: min(22rem, calc(100vw - 1.1rem));
    min-width: 0;
    max-width: calc(100vw - 1.1rem);
  }

  :root[data-mobile-sidebar="collapsible"] #page-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(22rem, calc(100vw - 1rem));
    max-width: calc(100vw - 1rem);
    max-height: none;
    margin: 0;
    padding: 1rem 0.9rem 1.15rem;
    border-radius: 0 20px 20px 0;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
    transform: translateX(calc(-100% - 1rem));
    transition: transform 180ms ease;
    display: block;
    visibility: hidden;
    pointer-events: none;
    z-index: 70;
    overflow-y: auto;
  }

  :root[data-mobile-sidebar="collapsible"] body.mobile-sidebar-open #page-sidebar {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  :root[data-mobile-sidebar="collapsible"] body.mobile-sidebar-open {
    overflow: hidden;
  }

  :root[data-mobile-sidebar="collapsible"] body.mobile-sidebar-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.38);
    z-index: 65;
  }

  .mobile-sidebar-header {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 1;
    padding-bottom: 0.3rem;
    background: inherit;
  }

  .mobile-sidebar-trigger {
    margin-bottom: 0.75rem;
  }

  .page-content .container {
    border-radius: 18px;
  }

  body.page-home .article-body > .home-hero,
  body.page-home .article-body > .home-jump-links,
  body.page-home .article-body > .home-detailed-catalog,
  body.page-home .article-body > .home-mode-panel {
    max-width: 100%;
  }

  .home-hero {
    padding: 0.92rem 0.88rem 0.96rem;
  }

  .home-hero h1 {
    max-width: 12ch;
    font-size: clamp(1.76rem, 8.4vw, 2.32rem);
  }

  .home-platform-badge {
    gap: 0.58rem;
    padding: 0.46rem 0.72rem 0.46rem 0.5rem;
  }

  .home-platform-mark {
    width: 2.36rem;
    height: 2.36rem;
  }

  .home-platform-label {
    font-size: 0.58rem;
    letter-spacing: 0.13em;
  }

  .home-platform-domain,
  .home-platform-note {
    font-size: 0.72rem;
  }

  body.page-article .page-content .container {
    padding: 0.98rem 0.86rem 1.32rem;
    border-radius: 18px;
  }

  body.page-article .article-content {
    gap: 0.72rem;
  }

  body.page-article .mobile-quick-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 0.34rem;
    margin-bottom: 0.72rem;
  }

  body.page-article .mobile-quick-nav > a.nav-pill {
    grid-column: 1 / -1;
  }

  body.page-article .mobile-sidebar-trigger {
    margin-bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(240, 247, 244, 0.96));
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
  }

  body.page-article .mobile-quick-nav .nav-pill {
    flex: 1 1 0;
    justify-content: center;
    min-height: 2.18rem;
    border-radius: 12px;
  }

  :root[data-mobile-sidebar="collapsible"] body.page-article #page-sidebar {
    width: min(20.5rem, calc(100vw - 0.85rem));
    max-width: calc(100vw - 0.85rem);
    padding: 0.92rem 0.84rem 1.02rem;
    border-radius: 0 18px 18px 0;
  }

  body.page-article .mobile-sidebar-header {
    margin-bottom: 0.56rem;
    padding-bottom: 0.42rem;
    border-bottom: 1px solid color-mix(in srgb, var(--card-border) 82%, var(--brand) 18%);
  }

  body.page-article .appearance-control {
    position: sticky;
    top: 0;
    z-index: 1;
    padding-bottom: 0.42rem;
    margin-bottom: 0.56rem;
    background: inherit;
  }

  body.page-article .appearance-toggle {
    width: 100%;
    min-width: 0;
    border-radius: 14px;
  }

  body.page-article .mobile-page-tools {
    display: block !important;
    margin-top: -0.12rem;
    border: none;
    background: transparent;
    box-shadow: none;
  }

  body.page-article .mobile-page-tools-summary {
    display: none;
  }

  body.page-article .mobile-page-tools-body {
    padding: 0.72rem 0.78rem 0.8rem;
    border: 1px solid color-mix(in srgb, var(--card-border) 80%, var(--brand) 20%);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 245, 0.96));
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  }

  body.page-article .page-tools {
    display: none !important;
  }

  .home-filter-row {
    flex-wrap: wrap;
  }

  .home-filter-clear {
    width: 100%;
    justify-content: center;
  }

  .image-lightbox-affordance {
    right: 0.56rem;
    bottom: 0.56rem;
  }
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  body.page-article .page-content .container {
    padding: 0.9rem 0.78rem 1.18rem;
    border-radius: 16px;
  }

  body.page-article .mobile-quick-nav .nav-pill {
    flex: 1 1 calc(33.333% - 0.18rem);
  }

  body.page-article .article-hero h1 {
    font-size: clamp(1.32rem, 6vw, 1.74rem);
    -webkit-line-clamp: 3;
    line-height: 1.08;
  }

  body.page-article .mobile-sidebar-trigger {
    min-height: 2.36rem;
  }

  body.page-article .page-tools {
    grid-template-columns: minmax(0, 1fr);
  }

  body.page-article .page-tools-card,
  body.page-article .appearance-panel {
    border-radius: 12px;
  }

  body.page-article .article-hero {
    padding: 0.84rem 0.82rem 0.94rem;
  }

  body.page-article .article-hero-highlights {
    padding: 0.68rem 0.72rem;
  }

  body.page-article .article-hero-highlights-list li {
    font-size: 0.86rem;
  }

  body.page-article .article-hero-media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

  .fr-book-card {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0.8rem;
  }

  .fr-book-cover {
    min-height: 108px;
  }

  .fr-section-footer {
    align-items: stretch;
  }

  .fr-amazon-btn,
  .fr-browse-more {
    width: 100%;
  }
}