/* ---------- Gradient hairline ---------- */
.cb-hairline {
  height: 2px;
  background: var(--cb-accent);
  position: sticky;
  top: 0;
  z-index: 60;
}

/* ---------- Header ---------- */
.cb-header {
  position: sticky;
  top: 2px;
  z-index: 50;
  background: var(--cb-bg);
  border-bottom: 1px solid var(--cb-rule);
}
.cb-header__inner {
  display: flex; align-items: center; gap: var(--cb-size-240);
  height: 56px;
}
.cb-brand {
  display: inline-flex; align-items: center; gap: var(--cb-size-100);
  color: var(--cb-ink);
  font-weight: 600;
  font-size: var(--cb-font-size-subtitle);
  letter-spacing: 0;
}
.cb-brand:hover { color: var(--cb-ink); text-decoration: none; }
.cb-brand__mark {
  width: 26px; height: 26px;
  display: block;
  flex: none;
  position: relative;
  top: -1px;
}
.cb-nav {
  display: flex; align-items: center; gap: var(--cb-size-80);
  margin-left: auto;
}
.cb-header__actions {
  display: flex; align-items: center; gap: var(--cb-size-80);
}
.cb-nav a {
  color: var(--cb-ink-soft);
  font-weight: 500;
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
  padding: var(--cb-size-80) var(--cb-size-100);
  border-radius: var(--cb-radius);
}
.cb-nav a:hover {
  color: var(--cb-ink);
  background: var(--cb-bg-sunk);
  text-decoration: none;
}
.cb-nav a.is-active {
  color: var(--cb-ink);
  background: var(--cb-bg-sunk);
}
.cb-nav__divider {
  width: 1px;
  height: 22px;
  margin: 0 var(--cb-size-40);
  background: var(--cb-rule);
}
.cb-nav a.cb-nav__external {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cb-size-70);
  height: 34px;
  padding: 0 var(--cb-size-100);
  border: 1px solid var(--cb-rule);
  background: color-mix(in srgb, var(--cb-bg-sunk) 54%, transparent);
  color: var(--cb-ink-soft);
  font-weight: 600;
}
.cb-nav a.cb-nav__external .cb-nav__glyph {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}
.cb-nav a.cb-nav__external .cb-nav__outbound {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  color: var(--cb-accent);
}
.cb-nav a.cb-nav__external--github {
  color: var(--cb-ink-soft);
}
.cb-nav a.cb-nav__external--github:hover {
  color: var(--cb-ink);
}
.cb-nav a.cb-nav__external--nuget {
  color: #005a9e;
}
:root[data-theme="dark"] .cb-nav a.cb-nav__external--nuget {
  color: #4aa3df;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .cb-nav a.cb-nav__external--nuget {
    color: #4aa3df;
  }
}

.cb-nav-toggle,
.cb-theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--cb-radius);
  border: 1px solid var(--cb-rule);
  background: var(--cb-bg);
  color: var(--cb-ink-soft);
  cursor: pointer;
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease);
}
.cb-nav-toggle:hover,
.cb-theme-toggle:hover {
  color: var(--cb-ink);
  border-color: var(--cb-rule);
  background: var(--cb-bg-sunk);
}
.cb-nav-toggle svg,
.cb-theme-toggle svg { width: 18px; height: 18px; }
.cb-nav-toggle { display: none; }
.cb-nav-toggle [data-nav-icon] { display: none; }
.cb-nav-toggle[aria-expanded="false"] [data-nav-icon="menu"] { display: inline; }
.cb-nav-toggle[aria-expanded="true"] [data-nav-icon="close"] { display: inline; }
.cb-theme-toggle [data-theme-icon] { display: none; }
:root[data-theme="light"] .cb-theme-toggle [data-theme-icon="light"] { display: inline; }
:root[data-theme="dark"]  .cb-theme-toggle [data-theme-icon="dark"]  { display: inline; }

@media (max-width: 860px) {
  .cb-header__inner {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding: var(--cb-size-120) 0;
  }
  .cb-header__actions {
    margin-left: auto;
  }
  .cb-nav-toggle {
    display: inline-flex;
  }
  .cb-nav {
    order: 3;
    flex-basis: 100%;
    margin: 12px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--cb-rule);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .cb-header[data-nav-ready="true"] .cb-nav {
    display: none;
  }
  .cb-header[data-nav-ready="true"].is-nav-open .cb-nav {
    display: flex;
  }
  .cb-nav a {
    display: block;
    padding: var(--cb-size-100) var(--cb-size-120);
  }
  .cb-nav__divider {
    width: 100%;
    height: 1px;
    margin: var(--cb-size-80) 0;
  }
  .cb-nav a.cb-nav__external {
    display: flex;
    justify-content: flex-start;
    width: 100%;
  }
  .cb-nav a.cb-nav__external .cb-nav__outbound {
    margin-left: auto;
  }
}

/* ---------- Buttons ---------- */
.cb-btn {
  display: inline-flex; align-items: center; gap: var(--cb-size-80);
  min-height: 40px;
  padding: var(--cb-size-80) var(--cb-size-160);
  border-radius: var(--cb-radius);
  font-weight: 600;
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease), box-shadow var(--cb-dur) var(--cb-ease);
  text-decoration: none;
}
.cb-btn--primary {
  background: var(--cb-accent);
  color: var(--cb-accent-ink);
}
.cb-btn--primary:hover {
  background: var(--cb-accent-hover);
  color: var(--cb-accent-ink);
  text-decoration: none;
}
.cb-btn--primary:active {
  background: var(--cb-accent-pressed);
}
.cb-btn--ghost {
  background: var(--cb-bg);
  color: var(--cb-ink);
  border-color: var(--cb-rule);
}
.cb-btn--ghost:hover {
  background: var(--cb-bg-sunk);
  border-color: var(--cb-rule);
  color: var(--cb-ink);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.cb-hero {
  position: relative;
  padding: var(--cb-size-560) 0 var(--cb-size-400);
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(180deg, var(--cb-accent-soft) 0%, var(--cb-bg) 72%),
    var(--cb-bg);
}
.cb-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--cb-hero-wash-a), transparent 36%, var(--cb-hero-wash-b));
  z-index: -1;
}

:root[data-theme="dark"] .cb-hero {
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--cb-accent-soft) 52%, var(--cb-bg-sunk)) 0%,
      var(--cb-bg-sunk) 76%
    ),
    var(--cb-bg-sunk);
}

:root[data-theme="dark"] .cb-hero::before {
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--cb-hero-wash-a) 62%, transparent),
      transparent 40%,
      color-mix(in srgb, var(--cb-hero-wash-b) 58%, transparent)
    );
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .cb-hero {
    background:
      linear-gradient(
        180deg,
        color-mix(in srgb, var(--cb-accent-soft) 52%, var(--cb-bg-sunk)) 0%,
        var(--cb-bg-sunk) 76%
      ),
      var(--cb-bg-sunk);
  }

  :root[data-theme="auto"] .cb-hero::before {
    background:
      linear-gradient(
        90deg,
        color-mix(in srgb, var(--cb-hero-wash-a) 62%, transparent),
        transparent 40%,
        color-mix(in srgb, var(--cb-hero-wash-b) 58%, transparent)
      );
  }
}

/* Two-column hero layout */
.cb-hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--cb-size-480);
  align-items: center;
}

.cb-hero__content {
  display: flex;
  flex-direction: column;
}

.cb-hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--cb-line-subtle);
  border-radius: var(--cb-radius-xl);
  aspect-ratio: 4 / 3;
  background: var(--cb-bg-soft);
  box-shadow: var(--cb-shadow-card);
}

.cb-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--cb-radius-lg);
}

.cb-hero__image .cb-hero__img--dark { display: none; }

:root[data-theme="dark"] .cb-hero__img--light { display: none; }
:root[data-theme="dark"] .cb-hero__img--dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .cb-hero__img--light { display: none; }
  :root[data-theme="auto"] .cb-hero__img--dark { display: block; }
}

@media (max-width: 900px) {
  .cb-hero .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cb-hero h1 {
    white-space: normal;
  }
}

.cb-hero .cb-underline {
  color: var(--cb-accent);
}
.cb-hero h1 {
  font-size: clamp(var(--cb-font-size-title-1), calc(1.9vw + 1rem), var(--cb-font-size-large-title));
  line-height: clamp(var(--cb-line-height-title-1), calc(2.5vw + 1rem), var(--cb-line-height-large-title));
}
.cb-hero__cta { display: flex; flex-wrap: wrap; gap: var(--cb-size-120); margin-top: var(--cb-size-280); }

/* ---------- Reading-path strip ---------- */
.cb-path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cb-size-120);
  padding: var(--cb-size-240) 0;
  border-top: 1px solid var(--cb-rule);
  border-bottom: 1px solid var(--cb-rule);
}
.cb-path__chip {
  display: flex; align-items: center; gap: var(--cb-size-120);
  padding: var(--cb-size-120) var(--cb-size-160);
  border-radius: var(--cb-radius);
  color: var(--cb-ink-soft);
}
.cb-path__num {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--cb-radius-pill);
  border: 1px solid var(--cb-rule);
  color: var(--cb-accent);
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--cb-font-mono);
}
.cb-path__chip strong { display: block; color: var(--cb-ink); font-size: 0.95rem; }
.cb-path__chip span   { font-size: 0.85rem; color: var(--cb-muted); }
@media (max-width: 900px) { .cb-path { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 540px) { .cb-path { grid-template-columns: 1fr; } }

/* ---------- Library grid ---------- */
.cb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cb-size-200);
  margin: var(--cb-size-480) 0 var(--cb-size-560);
}
@media (max-width: 1099px) { .cb-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 699px)  { .cb-grid { grid-template-columns: 1fr; } }

.cb-card {
  display: flex; flex-direction: column;
  padding: var(--cb-size-240);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  color: var(--cb-ink);
  box-shadow: var(--cb-shadow-card);
  transition: transform var(--cb-dur) var(--cb-ease),
              box-shadow var(--cb-dur) var(--cb-ease),
              border-color var(--cb-dur) var(--cb-ease);
  text-decoration: none;
  min-height: 200px;
}
.cb-card:hover {
  transform: translateY(-2px);
  border-color: var(--cb-accent);
  box-shadow: var(--cb-shadow-card-hover);
  color: var(--cb-ink);
  text-decoration: none;
}
.cb-card__glyph {
  width: 48px; height: 48px;
  margin-bottom: 14px;
  display: block;
  flex: none;
}
.cb-card__icon {
  position: relative;
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  padding: 0 42px 10px 0;
  margin-bottom: 14px;
}
.cb-card__icon .cb-card__glyph {
  margin-bottom: 0;
}
.cb-card__title {
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--cb-ink);
  margin: 0 0 6px;
}
.cb-version-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: var(--cb-size-40) var(--cb-size-120);
  border: 1px solid color-mix(in srgb, var(--g, var(--cb-accent)) 38%, var(--cb-rule));
  border-radius: var(--cb-radius-pill);
  background: color-mix(in srgb, var(--g, var(--cb-accent)) 10%, var(--cb-surface));
  color: var(--g, var(--cb-accent));
  font-family: var(--cb-font-mono);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  font-weight: 600;
  white-space: nowrap;
}
.cb-version-badge--overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  min-height: 24px;
  padding: 2px var(--cb-size-80);
  background: color-mix(in srgb, var(--g, var(--cb-accent)) 14%, var(--cb-bg-soft));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--g, var(--cb-accent)) 7%, var(--cb-bg-soft));
}
.cb-card__sub {
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  color: var(--cb-muted);
  font-family: var(--cb-font-mono);
  margin: 0 0 10px;
}
.cb-card__desc {
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
  color: var(--cb-ink-soft);
  margin: 0;
}

/* ---------- Why tiles ---------- */
.cb-why {
  display: grid; grid-template-columns: repeat(4,1fr); gap: var(--cb-size-160);
  margin: var(--cb-size-400) 0 var(--cb-size-560);
}
@media (max-width: 900px) { .cb-why { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 540px) { .cb-why { grid-template-columns: 1fr; } }
.cb-why__tile {
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius);
  background: var(--cb-surface);
}
.cb-why__tile strong { display: block; color: var(--cb-ink); margin-bottom: 4px; }
.cb-why__tile span   { font-size: 0.92rem; color: var(--cb-muted); }

/* ---------- Hero tagline ---------- */
.cb-hero__tagline {
  margin-top: 22px;
  font-family: var(--cb-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cb-muted);
}

/* ---------- Stats banner ---------- */
.cb-stats {
  border-top: 1px solid var(--cb-rule);
  border-bottom: 1px solid var(--cb-rule);
  background: var(--cb-bg-soft);
  padding: 0;
}
.cb-stats__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 0;
}
.cb-stats__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: var(--cb-size-40);
  min-width: 0;
  min-height: 120px;
  padding: var(--cb-size-240);
}
.cb-stats__item + .cb-stats__item { border-left: 1px solid var(--cb-rule); }
.cb-stats__num {
  max-width: 100%;
  font-size: clamp(var(--cb-font-size-title-3), calc(0.9vw + 1rem), var(--cb-font-size-title-1));
  line-height: var(--cb-line-height-title-2);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--cb-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cb-stats__num--accent {
  color: var(--cb-accent);
}
.cb-stats__num--architectures {
  font-size: clamp(var(--cb-font-size-title-3), calc(0.45vw + 1rem), var(--cb-font-size-title-2));
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}
.cb-stats__label {
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  color: var(--cb-muted);
  text-transform: none;
  letter-spacing: 0;
}
.cb-stats__note {
  margin: 18px 0 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--cb-muted);
  font-family: var(--cb-font-mono);
}
@media (max-width: 760px) {
  .cb-stats__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cb-stats__item {
    min-height: 104px;
    padding: var(--cb-size-200);
  }
  .cb-stats__item:nth-child(odd) { border-left: 0; }
  .cb-stats__item:nth-child(n+3) { border-top: 1px solid var(--cb-rule); }
}
@media (max-width: 460px) {
  .cb-stats__num {
    font-size: var(--cb-font-size-title-3);
    line-height: var(--cb-line-height-title-3);
  }
}

/* ---------- Group legend ---------- */
.cb-legend {
  display: flex; flex-wrap: wrap; gap: 10px 20px;
  margin: 48px 0 22px;
}
.cb-legend__item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
  color: var(--cb-ink-soft);
}
.cb-legend__dot {
  width: 11px; height: 11px; border-radius: var(--cb-radius-pill);
  background: var(--g, var(--cb-accent));
}

/* ---------- Ecosystem cards ---------- */
.cb-grid + .cb-groups { margin-top: 24px; }
.cb-card--eco {
  position: relative;
  background: color-mix(in srgb, var(--g, var(--cb-accent)) 7%, var(--cb-bg-soft));
  border-color: color-mix(in srgb, var(--g, var(--cb-accent)) 22%, var(--cb-rule));
  overflow: hidden;
  min-height: 220px;
}
.cb-card--eco::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--g, var(--cb-accent));
  opacity: 0.85;
}
.cb-card--eco:hover {
  border-color: var(--g, var(--cb-accent));
}
.cb-card__cat {
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  color: var(--g, var(--cb-accent));
  margin-bottom: 6px;
}

/* ---------- Home ecosystem overview ---------- */
.cb-home-overview {
  padding: var(--cb-size-560) var(--cb-gutter) var(--cb-size-480);
}
.cb-home-overview__header,
.cb-home-updates__header {
  max-width: 76ch;
}
.cb-home-overview__header h2,
.cb-home-updates__header h2 {
  margin-top: 6px;
}
.cb-home-overview__header p {
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  color: var(--cb-ink-soft);
}
.cb-home-overview__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--cb-size-200);
  margin-top: var(--cb-size-320);
}
.cb-home-updates__header {
  margin-bottom: var(--cb-size-240);
}
.cb-home-groups {
  padding: var(--cb-size-560) 0;
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg-soft);
}
.cb-home-groups__header {
  max-width: 78ch;
  margin-bottom: var(--cb-size-240);
}
.cb-home-groups__header h2 {
  margin-top: 6px;
}
.cb-home-groups__header p {
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  color: var(--cb-ink-soft);
}
.cb-home-carousel {
  --cb-carousel-index: 0;
  margin-top: var(--cb-size-280);
}
.cb-home-carousel__viewport {
  overflow: hidden;
}
.cb-home-carousel__track {
  display: flex;
  align-items: flex-start;
  transform: translate3d(calc(var(--cb-carousel-index) * -100%), 0, 0);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.cb-home-carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 1px;
}
.cb-home-group {
  margin: 0;
}
.cb-home-carousel__controls {
  display: flex;
  align-items: center;
  gap: var(--cb-size-80);
  margin-top: var(--cb-size-160);
}
.cb-home-carousel__button,
.cb-home-carousel__step {
  border: 1px solid var(--cb-rule);
  background: var(--cb-surface);
  color: var(--cb-ink-soft);
  cursor: pointer;
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease);
}
.cb-home-carousel__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--cb-radius);
  flex: 0 0 36px;
}
.cb-home-carousel__button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cb-home-carousel__button:hover,
.cb-home-carousel__button:focus-visible,
.cb-home-carousel__step:hover,
.cb-home-carousel__step:focus-visible {
  background: var(--cb-bg-sunk);
  border-color: var(--cb-accent);
  color: var(--cb-ink);
}
.cb-home-carousel__steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--cb-size-60);
  margin-left: var(--cb-size-80);
}
.cb-home-carousel__step {
  width: 22px;
  height: 8px;
  padding: 0;
  border-radius: var(--cb-radius-pill);
}
.cb-home-carousel__step[aria-current="true"] {
  width: 36px;
  background: var(--cb-accent);
  border-color: var(--cb-accent);
}
.cb-home-carousel[data-carousel-playing="true"] .cb-home-carousel__icon-play,
.cb-home-carousel:not([data-carousel-playing="true"]) .cb-home-carousel__icon-pause {
  display: none;
}
.cb-home-groups__subheader {
  max-width: 78ch;
  margin: var(--cb-size-480) 0 var(--cb-size-240);
}
.cb-home-groups__subheader h3 {
  margin-top: 0;
  font-size: var(--cb-font-size-title-3);
  line-height: var(--cb-line-height-title-3);
}
.cb-home-groups__subheader p {
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
}

/* ---------- Group introductions ---------- */
.cb-groups { margin: 72px 0; }
.cb-group-intro {
  border: 1px solid color-mix(in srgb, var(--g, var(--cb-accent)) 24%, var(--cb-rule));
  border-radius: var(--cb-radius-xl);
  background: color-mix(in srgb, var(--g, var(--cb-accent)) 5%, var(--cb-surface));
  padding: var(--cb-size-200) var(--cb-size-240);
  margin: var(--cb-size-200) 0;
}
.cb-group-intro h3 {
  margin: 0 0 6px;
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  letter-spacing: 0;
  color: var(--cb-ink);
}
.cb-group-intro__members {
  margin: 0 0 10px;
  font-family: var(--cb-font-mono);
  font-size: 0.82rem;
  color: var(--g, var(--cb-accent));
}
.cb-group-intro p:last-child {
  margin-bottom: 0;
  color: var(--cb-ink-soft);
}
.cb-group-libs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cb-size-80);
  margin-top: var(--cb-size-160);
}
.cb-lib-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--cb-size-80);
  min-height: 32px;
  padding: var(--cb-size-40) var(--cb-size-120) var(--cb-size-40) var(--cb-size-80);
  border: 1px solid color-mix(in srgb, var(--g, var(--cb-accent)) 24%, var(--cb-rule));
  border-radius: var(--cb-radius);
  background: var(--cb-surface);
  color: var(--cb-ink-soft);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease);
}
.cb-lib-chip:hover {
  background: color-mix(in srgb, var(--g, var(--cb-accent)) 8%, var(--cb-surface));
  border-color: var(--g, var(--cb-accent));
  color: var(--cb-ink);
  text-decoration: none;
}
.cb-lib-chip img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex: 0 0 auto;
}
@media (max-width: 640px) {
  .cb-home-carousel__controls {
    align-items: flex-start;
  }
  .cb-home-carousel__steps {
    margin-left: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cb-home-carousel__track {
    transition: none;
  }
}

/* ---------- Craftsmanship ---------- */
.cb-craft {
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg);
  padding: var(--cb-size-560) 0 var(--cb-size-560);
}
.cb-craft__lede {
  max-width: 72ch;
  margin: var(--cb-size-120) 0 var(--cb-size-320);
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  color: var(--cb-ink-soft);
}
.cb-craft h2 {
  margin-top: var(--cb-size-60);
}
.cb-craft__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cb-size-160);
}
@media (max-width: 900px) { .cb-craft__grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .cb-craft__grid { grid-template-columns: 1fr; } }
.cb-craft__tile {
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius);
  background: var(--cb-surface);
}
.cb-craft__tile strong {
  display: block;
  color: var(--cb-ink);
  margin: 0;
  line-height: var(--cb-line-height-subtitle);
}
.cb-craft__tile span   { font-size: 0.92rem; color: var(--cb-muted); }
.cb-craft__label {
  display: block;
  margin-bottom: var(--cb-size-80);
  font-family: var(--cb-font-mono);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cb-muted);
}
.cb-craft__badges {
  display: flex; flex-wrap: wrap; gap: var(--cb-size-80);
  margin-top: var(--cb-size-320);
}
.cb-craft__badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  font-weight: 500;
  padding: var(--cb-size-40) var(--cb-size-120);
  border-radius: var(--cb-radius);
  border: 1px solid var(--cb-rule);
  background: var(--cb-surface);
  color: var(--cb-muted);
  text-decoration: none;
}
.cb-craft__badge--active {
  color: var(--cb-accent);
  border-color: color-mix(in srgb, var(--cb-accent) 62%, var(--cb-rule));
  background: var(--cb-accent-soft);
}
.cb-craft__badge:hover {
  color: var(--cb-ink);
  border-color: var(--cb-accent);
  text-decoration: none;
}

/* ---------- Craftsmanship page ---------- */
.cb-craftsmanship-hero .cb-hero__content {
  max-width: 74ch;
}
.cb-craftsmanship-intro {
  padding: var(--cb-size-560) 0;
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg-soft);
}
.cb-craftsmanship-intro__inner {
  display: block;
}
.cb-craftsmanship-intro h2 {
  max-width: 22ch;
}
.cb-craftsmanship-intro h2,
.cb-craftsmanship-section h2,
.cb-craftsmanship-close h2 {
  margin-top: var(--cb-size-60);
}
.cb-craftsmanship-copy {
  color: var(--cb-ink-soft);
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
}
.cb-craftsmanship-copy p {
  max-width: 72ch;
}
.cb-craftsmanship-copy p:first-child {
  margin-top: 0;
}
.cb-craftsmanship-copy p:last-child {
  margin-bottom: 0;
}
.cb-craftsmanship-copy--wide {
  max-width: 78ch;
}
.cb-craftsmanship-section {
  padding: var(--cb-size-560) 0;
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg-soft);
}
.cb-craftsmanship-section__heading {
  max-width: 74ch;
  margin-bottom: var(--cb-size-240);
}
.cb-craftsmanship-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cb-size-160);
  margin-top: var(--cb-size-320);
}
.cb-craftsmanship-principle {
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius);
  background: var(--cb-surface);
}
.cb-craftsmanship-principle span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: var(--cb-size-120);
  border: 1px solid color-mix(in srgb, var(--cb-accent) 52%, var(--cb-rule));
  border-radius: var(--cb-radius-pill);
  color: var(--cb-accent);
  font-family: var(--cb-font-mono);
  font-size: var(--cb-font-size-caption);
  font-weight: 700;
}
.cb-craftsmanship-principle strong {
  display: block;
  margin-bottom: var(--cb-size-80);
  color: var(--cb-ink);
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
}
.cb-craftsmanship-principle p {
  margin: 0;
  color: var(--cb-ink-soft);
}
.cb-craftsmanship-close {
  padding: var(--cb-size-560) 0;
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg);
}
.cb-craftsmanship-close__content {
  max-width: 76ch;
}
.cb-craftsmanship-close p {
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
  color: var(--cb-ink-soft);
}
@media (max-width: 900px) {
  .cb-craftsmanship-intro__inner,
  .cb-craftsmanship-principles {
    grid-template-columns: 1fr;
  }
}

/* ---------- News ---------- */
.cb-news-section {
  padding: 36px 0 0;
}
.cb-terminal-strip {
  border-top: 1px solid var(--cb-rule);
  border-bottom: 1px solid var(--cb-rule);
  background: var(--cb-bg-soft);
  padding: var(--cb-size-280) 0;
}
.cb-terminal {
  overflow: hidden;
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  box-shadow: var(--cb-shadow-card);
}
.cb-terminal__chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--cb-size-120) var(--cb-size-160);
  border-bottom: 1px solid var(--cb-rule);
  background: color-mix(in srgb, var(--cb-ink) 4%, transparent);
}
.cb-terminal__dot {
  width: var(--cb-size-100);
  height: var(--cb-size-100);
  border-radius: var(--cb-radius-pill);
  background: color-mix(in srgb, var(--cb-muted) 65%, var(--cb-bg));
}
.cb-terminal__title {
  margin-left: 4px;
  font-family: var(--cb-font-mono);
  font-size: 0.8rem;
  color: var(--cb-muted);
  text-transform: lowercase;
}
.cb-terminal__body {
  padding: var(--cb-size-200);
}
.cb-terminal__prompt {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--cb-font-mono);
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
}
.cb-terminal__prompt-text {
  color: var(--cb-muted);
}
.cb-terminal__command {
  color: var(--cb-accent);
  word-break: break-word;
}
.cb-terminal__principle {
  margin: 14px 0 0;
  max-width: 72ch;
  color: var(--cb-ink);
  font-size: var(--cb-font-size-subtitle);
  line-height: var(--cb-line-height-subtitle);
}
.cb-terminal__cursor {
  display: inline-block;
  width: 0.6ch;
  height: 1em;
  margin-left: 2px;
  border-right: 2px solid currentColor;
  vertical-align: -0.08em;
  animation: cb-terminal-cursor-blink 1s steps(1, end) infinite;
}
.cb-terminal[data-terminal-state="done"] .cb-terminal__cursor {
  opacity: 0;
  animation: none;
}

/* ---------- Theme-aware images ---------- */
.cb-theme-img {
  display: block;
  max-width: 100%;
}
.cb-theme-img__asset {
  display: block;
  max-width: 100%;
  height: auto;
}
.cb-theme-img__dark { display: none; }

:root[data-theme="dark"] .cb-theme-img__light { display: none; }
:root[data-theme="dark"] .cb-theme-img__dark { display: block; }

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] .cb-theme-img__light { display: none; }
  :root[data-theme="auto"] .cb-theme-img__dark { display: block; }
}

.cb-theme-img__caption {
  display: block;
  margin-top: 0.75rem;
  color: var(--cb-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.cb-news-listing {
  padding: var(--cb-size-520) 0 80px;
  border-top: 1px solid var(--cb-rule);
  background: var(--cb-bg);
}
.cb-news-list {
  display: grid;
  gap: var(--cb-size-200);
}
.cb-news-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  box-shadow: var(--cb-shadow-card);
}
.cb-news-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: var(--cb-accent);
  opacity: 0.9;
}
.cb-news-card__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}
.cb-news-card--with-image .cb-news-card__layout {
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.85fr);
}
.cb-news-card--condensed {
  box-shadow: none;
}
.cb-news-card__content {
  min-width: 0;
  padding: var(--cb-size-240) var(--cb-size-280) var(--cb-size-280);
}
.cb-news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--cb-size-80);
  margin-bottom: var(--cb-size-160);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  letter-spacing: 0;
  text-transform: none;
  color: var(--cb-muted);
}
.cb-news-meta__dot {
  display: inline-flex;
  align-items: center;
  width: 7px;
  height: 7px;
  border-radius: var(--cb-radius-pill);
  background: var(--cb-accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--cb-accent) 32%, transparent);
  animation: cb-news-dot-pulse 3.4s ease-in-out infinite;
}
.cb-news-meta__area {
  color: var(--cb-accent);
  font-weight: 700;
}
.cb-news-meta__separator {
  color: var(--cb-muted);
}
.cb-news-card__title {
  margin: 0 0 10px;
  font-size: var(--cb-font-size-title-3);
  line-height: var(--cb-line-height-title-3);
}
.cb-news-card__title a {
  color: var(--cb-ink);
}
.cb-news-card__title a:hover {
  color: var(--cb-accent);
  text-decoration: none;
}
.cb-news-card__excerpt {
  margin: 0 0 16px;
  max-width: 68ch;
}
.cb-news-card__link {
  font-weight: 600;
}
.cb-news-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: var(--cb-size-200) var(--cb-size-280) var(--cb-size-240) 0;
}
.cb-news-card__theme-image {
  display: block;
  width: 100%;
}
.cb-news-card__image {
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  border: 1px solid color-mix(in srgb, var(--cb-accent) 14%, var(--cb-rule));
  border-radius: var(--cb-radius-xl);
  background: color-mix(in srgb, var(--cb-bg) 82%, transparent);
  box-shadow: var(--cb-shadow-card);
}
.cb-news-empty {
  padding: 0 0 80px;
  color: var(--cb-muted);
}
.cb-news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}
.cb-news-tag {
  padding: var(--cb-size-60) var(--cb-size-120);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-pill);
  background: var(--cb-accent-soft);
  color: var(--cb-ink-soft);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
}
.cb-news-body {
  min-width: 0;
}
.cb-news-body .cb-prose {
  max-width: 72ch;
}
.cb-news-body .cb-prose img:not(.cb-theme-img__asset) {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 1rem 0 1.5rem;
  border: 1px solid color-mix(in srgb, var(--cb-accent) 14%, var(--cb-rule));
  border-radius: var(--cb-radius-xl);
  background: color-mix(in srgb, var(--cb-bg) 82%, transparent);
  box-shadow: var(--cb-shadow-card);
}
.cb-news-body .cb-prose .cb-theme-img__asset {
  width: auto;
  max-width: 100%;
  height: auto;
  border: 1px solid color-mix(in srgb, var(--cb-accent) 14%, var(--cb-rule));
  border-radius: var(--cb-radius-xl);
  background: color-mix(in srgb, var(--cb-bg) 82%, transparent);
  box-shadow: var(--cb-shadow-card);
}
.cb-news-body .cb-prose .cb-theme-img--prose {
  display: block;
  margin: 1rem 0 1.5rem;
}
.cb-news-body .cb-prose .cb-theme-img--prose .cb-theme-img__asset {
  margin: 0;
}
@media (max-width: 900px) {
  .cb-news-card--with-image .cb-news-card__layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .cb-news-card__media {
    padding: 0 26px 24px;
  }
}
@media (max-width: 560px) {
  .cb-terminal__body {
    padding: 16px 16px 18px;
  }
  .cb-news-card__content {
    padding: 22px 20px 24px;
  }
  .cb-news-card__media {
    padding: 0 20px 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cb-news-meta__dot,
  .cb-terminal__cursor {
    animation: none;
  }
}
@keyframes cb-news-dot-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--cb-accent) 28%, transparent);
  }
  45% {
    transform: scale(1.15);
    box-shadow: 0 0 0 8px transparent;
  }
}
@keyframes cb-terminal-cursor-blink {
  0%, 49% {
    opacity: 1;
  }
  50%, 100% {
    opacity: 0;
  }
}

/* ---------- Footer ---------- */
.cb-footer {
  border-top: 1px solid var(--cb-rule);
  padding: var(--cb-size-400) 0;
  color: var(--cb-muted);
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
}
.cb-footer__inner { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.cb-footer a { color: var(--cb-ink-soft); }
.cb-footer__links { display: flex; gap: 18px; margin-left: auto; }

/* ---------- Library page: hero band ---------- */
.cb-libhero {
  padding: var(--cb-size-560) 0 var(--cb-size-560);
  background: var(--cb-bg-soft);
  border-bottom: 1px solid var(--cb-rule);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cb-libhero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--cb-hero-wash-a), transparent 42%, var(--cb-hero-wash-b));
  z-index: -1;
}
.cb-libhero__topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--cb-size-160);
  margin-bottom: 16px;
}
.cb-libhero__topline .cb-breadcrumbs {
  margin-bottom: 0;
}
.cb-libhero__glyph {
  width: 80px; height: 80px; margin-bottom: var(--cb-size-200);
  display: block;
}
.cb-libhero__icon {
  position: relative;
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  padding: 0 54px 12px 0;
  margin-bottom: var(--cb-size-200);
}
.cb-libhero__icon .cb-libhero__glyph {
  margin-bottom: 0;
}
.cb-libhero__icon .cb-version-badge--overlay {
  right: 0;
  bottom: 0;
  background: color-mix(in srgb, var(--cb-accent) 12%, var(--cb-bg-soft));
  color: var(--cb-ink);
  border-color: color-mix(in srgb, var(--cb-accent) 42%, var(--cb-rule));
  box-shadow: 0 0 0 3px var(--cb-bg-soft);
}
.cb-news-article__icon-wrap {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 20px;
}
.cb-news-article__icon {
  width: 96px;
  height: 96px;
  display: block;
  object-fit: contain;
}
.cb-libhero__meta {
  display: flex; flex-wrap: wrap; gap: var(--cb-size-120);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  color: var(--cb-muted);
  margin: var(--cb-size-200) 0 var(--cb-size-280);
}
.cb-libhero__meta span { display: inline-flex; align-items: center; gap: var(--cb-size-60); }
.cb-libhero__meta span + span::before {
  content: ""; width: var(--cb-size-40); height: var(--cb-size-40); border-radius: var(--cb-radius-pill);
  background: var(--cb-accent); display: inline-block;
}
.cb-page-nav {
  display: flex;
  align-items: stretch;
  gap: var(--cb-size-80);
  flex: 0 1 520px;
  justify-content: flex-end;
  min-width: 0;
}
.cb-page-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--cb-size-80);
  min-width: 0;
  max-width: 248px;
  min-height: 44px;
  padding: var(--cb-size-60) var(--cb-size-100);
  border: 1px solid color-mix(in srgb, var(--cb-rule) 72%, transparent);
  border-radius: var(--cb-radius);
  background: color-mix(in srgb, var(--cb-surface) 72%, transparent);
  color: var(--cb-ink-soft);
  text-decoration: none;
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease), transform var(--cb-dur) var(--cb-ease);
}
.cb-page-nav__link:hover,
.cb-page-nav__link:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--cb-accent) 48%, var(--cb-rule));
  background: color-mix(in srgb, var(--cb-accent-soft) 42%, var(--cb-surface));
  color: var(--cb-ink);
  text-decoration: none;
}
.cb-page-nav__link svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cb-page-nav__link span {
  display: grid;
  gap: 1px;
  min-width: 0;
}
.cb-page-nav__link small {
  color: var(--cb-muted);
  font-size: 0.68rem;
  line-height: 1.2;
}
.cb-page-nav__link strong {
  overflow: hidden;
  color: currentColor;
  font-size: var(--cb-font-size-caption);
  line-height: 1.25;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cb-page-nav__link--next {
  text-align: right;
}
@media (max-width: 900px) {
  .cb-libhero__topline {
    flex-direction: column;
  }
  .cb-page-nav {
    width: 100%;
    flex-basis: auto;
    justify-content: stretch;
  }
  .cb-page-nav__link {
    flex: 1 1 0;
    max-width: none;
  }
}
@media (max-width: 560px) {
  .cb-page-nav {
    flex-direction: column;
  }
  .cb-page-nav__link {
    min-height: 44px;
    padding: var(--cb-size-60);
  }
  .cb-page-nav__link strong {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
  }
  .cb-page-nav__link--previous {
    justify-content: flex-start;
  }
  .cb-page-nav__link--next {
    justify-content: flex-end;
  }
}
/* ---------- Library page: layout with right TOC ---------- */
.cb-libmain {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: var(--cb-size-560);
  padding: var(--cb-size-560) 0 80px;
  align-items: start;
}
@media (max-width: 1099px) { .cb-libmain { grid-template-columns: 1fr; } .cb-toc { display: none; } }

.cb-toc {
  position: sticky; top: 96px;
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  border-left: 1px solid var(--cb-rule);
  padding-left: 0;
}
.cb-toc__label {
  font-weight: 600; font-size: var(--cb-font-size-caption);
  text-transform: none; letter-spacing: 0;
  color: var(--cb-muted);
  margin-bottom: var(--cb-size-100);
  padding-left: var(--cb-size-160);
}
.cb-toc ul { list-style: none; padding: 0; margin: 0; }
.cb-toc a {
  display: block;
  padding: var(--cb-size-60) var(--cb-size-160);
  color: var(--cb-ink-soft);
  border-left: 2px solid transparent;
  margin-left: -1px;
}
.cb-toc a:hover { color: var(--cb-accent); text-decoration: none; }
.cb-toc a.is-active {
  color: var(--cb-accent);
  font-weight: 600;
  border-left-color: var(--cb-accent);
}

/* Nested h3 / child entries — same line + type treatment as h2, just indented */
.cb-toc__sub {
  list-style: none;
  margin: 0;
  padding: 0;
}
.cb-toc__sub a {
  padding-left: calc(var(--cb-size-160) + var(--cb-size-120));
  overflow-wrap: anywhere;
}

/* ---------- News reading mode ---------- */
.cb-news-reader {
  position: relative;
}
.cb-news-reader__controls {
  display: flex;
  justify-content: flex-end;
  position: relative;
  z-index: 1;
  height: 0;
}
.cb-news-reader__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--cb-size-80);
  min-height: 36px;
  padding: var(--cb-size-60) var(--cb-size-120);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius);
  background: var(--cb-bg);
  color: var(--cb-ink-soft);
  font: inherit;
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-body);
  font-weight: 600;
  cursor: pointer;
  transform: translateY(var(--cb-size-160));
  transition: background var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease);
}
.cb-news-reader__toggle:hover,
.cb-news-reader__toggle:focus-visible {
  border-color: var(--cb-accent);
  background: var(--cb-accent-soft);
  color: var(--cb-ink);
}
.cb-news-reader__toggle:focus-visible {
  outline: var(--cb-stroke-thick) solid var(--cb-focus-ring);
  outline-offset: var(--cb-size-40);
}
.cb-news-reader__toggle svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cb-news-reader[data-reading-mode="true"] .cb-libmain {
  grid-template-columns: minmax(0, 1fr);
}
.cb-news-reader[data-reading-mode="true"] .cb-toc {
  display: none;
}
.cb-news-reader[data-reading-mode="true"] .cb-news-body .cb-prose,
.cb-news-reader[data-reading-mode="true"] .cb-news-body .cb-prose * {
  max-width: none !important;
}
.cb-news-reader[data-reading-mode="true"] .cb-news-body .cb-prose img {
  width: 100%;
}
@media (max-width: 1099px) {
  .cb-news-reader__controls {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cb-news-reader__toggle {
    transition: none;
  }
}

/* ---------- Capability chips ---------- */
.cb-chips {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 10px;
  padding: 0; margin: 0; list-style: none;
}
@media (max-width: 699px) { .cb-chips { grid-template-columns: 1fr; } }
.cb-chip {
  padding: var(--cb-size-120) var(--cb-size-160);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius);
  background: var(--cb-surface);
}
.cb-chip code {
  display: block; font-size: 0.85rem;
  color: var(--cb-accent); background: transparent; border: 0; padding: 0;
}
.cb-chip span { color: var(--cb-muted); font-size: 0.88rem; }

/* ---------- Tabs ---------- */
.cb-tabs { margin: 16px 0; }
.cb-tabs__list {
  display: inline-flex; gap: var(--cb-size-20);
  background: var(--cb-bg-sunk);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-lg);
  padding: var(--cb-size-40);
}
.cb-tabs__tab {
  background: transparent;
  border: 0;
  color: var(--cb-ink-soft);
  font: inherit; font-weight: 500; font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
  padding: var(--cb-size-60) var(--cb-size-120);
  border-radius: var(--cb-radius);
  cursor: pointer;
}
.cb-tabs__tab[aria-selected="true"] {
  background: var(--cb-bg);
  color: var(--cb-ink);
  box-shadow: var(--cb-shadow-card);
}
.cb-tabs__panel[hidden] { display: none; }

/* ---------- Code block with copy button ---------- */
.cb-code {
  margin: 1rem 0 1.5rem;
  background: var(--cb-code-bg);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  overflow: hidden;
  box-shadow: var(--cb-shadow-card);
}
.cb-code--install {
  display: flex;
  align-items: center;
  gap: var(--cb-size-160);
  padding: var(--cb-size-120) var(--cb-size-160);
  background: var(--cb-code-bg);
}
.cb-code pre {
  margin: 0;
  overflow-x: auto;
  color: var(--cb-code-ink);
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
}
.cb-code--install pre {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0;
}
.cb-code--install pre code,
.cb-code--install .hljs {
  background: transparent !important;
}
.cb-code__copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  margin-left: auto;
  width: 2rem;
  height: 2rem;
  background: color-mix(in srgb, var(--cb-bg) 88%, transparent);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-pill);
  color: var(--cb-ink-soft);
  font: inherit;
  padding: 0;
  cursor: pointer;
  opacity: 1;
  transition: transform var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), background var(--cb-dur) var(--cb-ease);
}
.cb-code__copy:hover,
.cb-code__copy:focus-visible {
  color: var(--cb-ink);
  transform: translateY(-1px);
}
.cb-code__copy svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}
.cb-code__copy.is-ok {
  color: var(--cb-accent);
  border-color: color-mix(in srgb, var(--cb-accent) 35%, var(--cb-rule));
  background: color-mix(in srgb, var(--cb-accent) 12%, var(--cb-bg));
}

html[data-theme="dark"] .cb-code--install {
  background: #0d1117;
}

/* syntax spans */
.t-kw  { color: var(--cb-syn-kw); }
.t-ty  { color: var(--cb-syn-ty); }
.t-str { color: var(--cb-syn-str); }
.t-num { color: var(--cb-syn-num); }
.t-cmt { color: var(--cb-syn-cmt); font-style: italic; }
.t-fn  { color: var(--cb-syn-fn); }

/* ---------- Guidance two-col ---------- */
.cb-guide {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--cb-size-200);
  margin: var(--cb-size-200) 0;
}
@media (max-width: 699px) { .cb-guide { grid-template-columns: 1fr; } }
.cb-guide__col {
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
}
.cb-guide__col h3 { margin-top: 0; }
.cb-guide__col ul { margin: 0; padding-left: 1.2em; color: var(--cb-ink-soft); }
.cb-guide__col li { margin-bottom: 6px; }
.cb-guide__col--ok h3::before    { content: "✅ "; }
.cb-guide__col--warn h3::before  { content: "⚠️ "; }

/* ---------- Related cards ---------- */
.cb-related {
  display: grid; grid-template-columns: repeat(3,1fr); gap: var(--cb-size-160);
  margin: var(--cb-size-200) 0;
}
@media (max-width: 899px) { .cb-related { grid-template-columns: 1fr; } }
.cb-related__card {
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  color: var(--cb-ink);
  text-decoration: none;
  transition: transform var(--cb-dur) var(--cb-ease), border-color var(--cb-dur) var(--cb-ease), box-shadow var(--cb-dur) var(--cb-ease), color var(--cb-dur) var(--cb-ease);
}
.cb-related__card:hover { border-color: var(--cb-accent); text-decoration: none; color: var(--cb-ink); transform: translateY(-2px); box-shadow: var(--cb-shadow-card-hover); }
.cb-related__card strong { display: block; margin-bottom: 4px; }
.cb-related__card span   { color: var(--cb-muted); font-size: 0.88rem; }

/* ---------- Related reading ---------- */
.cb-related-reading__list {
  display: grid;
  gap: var(--cb-size-160);
  margin: var(--cb-size-200) 0;
}
.cb-related-reading__card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--cb-size-240);
  min-height: 208px;
  padding: var(--cb-size-240) var(--cb-size-280) var(--cb-size-240) var(--cb-size-240);
  border: 1px solid var(--cb-rule);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  box-shadow: var(--cb-shadow-card);
  color: var(--cb-ink);
  text-decoration: none;
  transition: border-color var(--cb-dur) var(--cb-ease), box-shadow var(--cb-dur) var(--cb-ease), transform var(--cb-dur) var(--cb-ease);
}
.cb-related-reading__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cb-accent);
}
.cb-related-reading__card:hover {
  border-color: var(--cb-accent);
  box-shadow: var(--cb-shadow-card-hover);
  color: var(--cb-ink);
  text-decoration: none;
  transform: translateY(-2px);
}
.cb-related-reading__card:focus-visible {
  outline: 2px solid var(--cb-focus-ring);
  outline-offset: 3px;
}
.cb-related-reading__card--without-image {
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 0;
}
.cb-related-reading__media {
  display: block;
  width: 160px;
  height: 160px;
  overflow: hidden;
  border-radius: var(--cb-radius-xl);
}
.cb-related-reading__theme-image,
.cb-related-reading__image {
  display: block;
  width: 100%;
  height: 100%;
}
.cb-related-reading__image {
  object-fit: cover;
}
.cb-related-reading__content {
  min-width: 0;
}
.cb-related-reading__meta {
  display: block;
  margin-bottom: var(--cb-size-100);
  color: var(--cb-muted);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  letter-spacing: 0.04em;
}
.cb-related-reading__title {
  margin: 0 0 var(--cb-size-100);
  font-size: clamp(1.15rem, 2vw, var(--cb-font-size-title-3));
  line-height: 1.25;
}
.cb-related-reading__card:hover .cb-related-reading__title {
  color: var(--cb-accent);
}
.cb-related-reading__excerpt {
  display: -webkit-box;
  max-width: 68ch;
  margin: 0;
  overflow: hidden;
  color: var(--cb-ink-soft);
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.cb-related-reading__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--cb-size-480);
  height: var(--cb-size-480);
  border-radius: var(--cb-radius-pill);
  background: var(--cb-surface-alt);
  color: var(--cb-accent);
  transition: background var(--cb-dur-fast) var(--cb-ease), color var(--cb-dur-fast) var(--cb-ease), transform var(--cb-dur-fast) var(--cb-ease);
}
.cb-related-reading__arrow svg {
  width: var(--cb-size-240);
  height: var(--cb-size-240);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}
.cb-related-reading__card:hover .cb-related-reading__arrow {
  background: var(--cb-accent-soft-hover);
  color: var(--cb-accent-hover);
  transform: translateX(2px);
}
@media (max-width: 700px) {
  .cb-related-reading__card {
    grid-template-columns: 112px minmax(0, 1fr) auto;
    gap: var(--cb-size-160);
    min-height: 0;
    padding: var(--cb-size-200);
  }
  .cb-related-reading__card--without-image {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .cb-related-reading__media {
    width: 112px;
    height: 112px;
  }
  .cb-related-reading__excerpt {
    -webkit-line-clamp: 2;
  }
  .cb-related-reading__arrow {
    width: var(--cb-size-400);
    height: var(--cb-size-400);
  }
}
@media (max-width: 520px) {
  .cb-related-reading__card,
  .cb-related-reading__card--without-image {
    grid-template-columns: 80px minmax(0, 1fr);
  }
  .cb-related-reading__card--without-image {
    grid-template-columns: minmax(0, 1fr);
  }
  .cb-related-reading__media {
    width: 80px;
    height: 80px;
  }
  .cb-related-reading__arrow {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cb-related-reading__card,
  .cb-related-reading__arrow {
    transition: none;
  }
}

/* ---------- Links list ---------- */
.cb-links {
  list-style: none; padding: 0; margin: 0;
  display: block;
}
.cb-links a {
  display: flex; gap: var(--cb-size-80); align-items: flex-start;
  padding: var(--cb-size-80) 0;
  color: var(--cb-ink-soft);
  border-bottom: 1px solid var(--cb-rule);
  min-width: 0;
  word-break: break-word;
  flex-wrap: wrap;
}
.cb-links span.cb-link-glyph { flex-shrink: 0; }
.cb-links a:hover { color: var(--cb-accent); }

/* Breadcrumbs (library sub-pages) */
.cb-breadcrumbs {
  display: flex; flex-wrap: wrap; gap: var(--cb-size-80);
  font-size: var(--cb-font-size-caption);
  line-height: var(--cb-line-height-caption);
  color: var(--cb-ink-soft);
  margin-bottom: 16px;
}
.cb-breadcrumbs a {
  color: var(--cb-ink-soft);
  text-decoration: none;
}
.cb-breadcrumbs a:hover { color: var(--cb-brand-2); text-decoration: underline; }
.cb-breadcrumbs span[aria-hidden] { color: var(--cb-line); }
.cb-breadcrumbs [aria-current="page"] { color: var(--cb-ink); font-weight: 600; }

/* Package grid on family overview pages */
.cb-pkg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--cb-size-160);
  margin-top: var(--cb-size-200);
}
.cb-pkg-card {
  display: flex; flex-direction: column; gap: var(--cb-size-100);
  padding: var(--cb-size-200);
  border: 1px solid var(--cb-line);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
  color: var(--cb-ink);
  text-decoration: none;
  transition: border-color var(--cb-dur) var(--cb-ease), transform var(--cb-dur) var(--cb-ease), box-shadow var(--cb-dur) var(--cb-ease);
}
.cb-pkg-card:hover {
  border-color: var(--cb-brand-2);
  transform: translateY(-2px);
  box-shadow: var(--cb-shadow-card-hover);
  text-decoration: none;
}
.cb-pkg-card__name {
  font-family: var(--cb-font-mono);
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
  font-weight: 600;
  color: var(--cb-brand-2);
  background: transparent;
  padding: 0;
  word-break: break-all;
}
.cb-pkg-card__blurb {
  font-size: var(--cb-font-size-body);
  color: var(--cb-ink-soft);
  line-height: var(--cb-line-height-body);
}

/* Package card icon (family index) */
.cb-pkg-card { flex-direction: row; align-items: flex-start; gap: 14px; }
.cb-pkg-card__icon {
  width: 40px; height: 40px;
  flex: 0 0 40px;
  border-radius: var(--cb-radius-lg);
  background: var(--cb-surface-alt, var(--cb-bg));
  object-fit: contain;
  padding: 4px;
  border: 1px solid var(--cb-line);
}
.cb-pkg-card__body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

/* Related package card icon */
.cb-related__icon {
  width: 32px; height: 32px;
  border-radius: var(--cb-radius);
  object-fit: contain;
  padding: 3px;
  border: 1px solid var(--cb-line);
  background: var(--cb-surface-alt, var(--cb-bg));
  margin-bottom: 6px;
}

/* What's-inside block */
.cb-facts {
  list-style: none; padding: 0; margin: 8px 0 16px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--cb-size-80) var(--cb-size-200);
  color: var(--cb-ink-soft);
  font-size: 0.95rem;
}
.cb-facts li { padding: 6px 0; border-bottom: 1px dashed var(--cb-line); }
.cb-facts strong { color: var(--cb-ink); font-weight: 600; }

.cb-ns-list {
  list-style: none; padding: 0; margin: 0 0 18px;
  display: flex; flex-wrap: wrap; gap: var(--cb-size-60);
}
.cb-ns-list code {
  font-size: var(--cb-font-size-caption);
  padding: var(--cb-size-40) var(--cb-size-80);
  border-radius: var(--cb-radius);
  background: var(--cb-surface-alt, var(--cb-bg));
  border: 1px solid var(--cb-line);
  color: var(--cb-brand-2);
}

.cb-type-list {
  list-style: none; padding: 0; margin: 0 0 18px;
}
.cb-type-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--cb-line);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--cb-ink-soft);
}
.cb-type-list li code {
  color: var(--cb-ink);
  font-weight: 600;
}
.cb-type-kind {
  display: inline-block;
  min-width: 72px;
  font-size: var(--cb-font-size-caption);
  text-transform: none;
  letter-spacing: 0;
  color: var(--cb-brand-2);
  margin-right: 6px;
}

.cb-extcls {
  margin: var(--cb-size-100) 0;
  padding: var(--cb-size-120) var(--cb-size-160);
  border: 1px solid var(--cb-line);
  border-radius: var(--cb-radius-xl);
  background: var(--cb-surface);
}
.cb-extcls[open] { border-color: var(--cb-brand-2); }
.cb-extcls > summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--cb-size-100);
}
.cb-extcls > summary::-webkit-details-marker { display: none; }
.cb-extcls > summary::before {
  content: "▸";
  color: var(--cb-ink-soft);
  transition: transform var(--cb-dur) var(--cb-ease);
  display: inline-block;
}
.cb-extcls[open] > summary::before { transform: rotate(90deg); }
.cb-extcls > summary code { color: var(--cb-brand-2); font-weight: 600; }
.cb-extcls .cb-count {
  font-size: 0.8rem;
  color: var(--cb-ink-soft);
  font-weight: 400;
}
.cb-method-list {
  list-style: none; padding: 10px 0 0; margin: 0;
}
.cb-method-list li {
  padding: 6px 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--cb-ink-soft);
  border-bottom: 1px dashed var(--cb-line);
}
.cb-method-list li:last-child { border-bottom: 0; }
.cb-method-list li code {
  color: var(--cb-ink);
  font-weight: 600;
}
.cb-extcls__src { margin: 10px 0 0; font-size: 0.85rem; }

.cb-callout {
  padding: var(--cb-size-120) var(--cb-size-160);
  background: var(--cb-surface-alt, var(--cb-bg));
  border: 1px solid color-mix(in srgb, var(--cb-brand-2) 28%, var(--cb-rule));
  border-radius: var(--cb-radius-xl);
  margin: var(--cb-size-120) 0;
  font-size: var(--cb-font-size-body);
  line-height: var(--cb-line-height-body);
}
.cb-callout--warn {
  background: color-mix(in srgb, var(--cb-alert-warning) 10%, var(--cb-surface));
  border-color: color-mix(in srgb, var(--cb-alert-warning) 30%, var(--cb-rule));
}