:root {
  --kb-bg: #f7f8fb;
  --kb-surface: #ffffff;
  --kb-surface-soft: #f1f5f9;
  --kb-ink: #101828;
  --kb-muted: #667085;
  --kb-subtle: #98a2b3;
  --kb-border: #d9e2ec;
  --kb-border-strong: #b8c4d6;
  --kb-accent: #1d4ed8;
  --kb-accent-ink: #ffffff;
  --kb-teal: #0f766e;
  --kb-green: #15803d;
  --kb-code-bg: #111827;
  --kb-shadow: 0 16px 44px rgba(15, 23, 42, 0.08);
  --kb-radius: 8px;
  --kb-max: 1180px;
  --kb-reader: 820px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body.kb-modern {
  margin: 0;
  background: var(--kb-bg);
  color: var(--kb-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  min-width: 320px;
}

body.kb-modern a {
  color: inherit;
  text-decoration: none;
}

body.kb-modern a:hover {
  color: var(--kb-accent);
}

body.kb-modern button,
body.kb-modern input,
body.kb-modern textarea,
body.kb-modern select {
  font: inherit;
}

body.kb-modern mark {
  background: #fef3c7;
  color: inherit;
  border-radius: 4px;
  padding: 0 2px;
}

.kb-modern :focus-visible {
  outline: 3px solid rgba(29, 78, 216, 0.35);
  outline-offset: 2px;
}

.kb-skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-150%);
  background: var(--kb-ink);
  color: #fff;
  border-radius: var(--kb-radius);
  padding: 8px 12px;
  font-weight: 700;
}

.kb-skip-link:focus {
  transform: translateY(0);
  color: #fff;
}

.kb-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kb-shell {
  min-height: 100vh;
}

.kb-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--kb-border);
  backdrop-filter: blur(14px);
}

.kb-topbar__inner {
  width: min(var(--kb-max), calc(100% - 40px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.kb-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.kb-brand__mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-ink);
  color: #fff;
  font-weight: 750;
  line-height: 1;
}

.kb-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.kb-brand__name {
  font-weight: 720;
  color: var(--kb-ink);
  white-space: nowrap;
}

.kb-brand__meta {
  color: var(--kb-muted);
  font-size: 12px;
  line-height: 1.3;
  white-space: nowrap;
}

.kb-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.kb-nav a {
  color: var(--kb-muted);
  font-size: 14px;
  font-weight: 620;
  padding: 8px 10px;
  border-radius: var(--kb-radius);
}

.kb-nav a:hover,
.kb-nav a[aria-current="page"] {
  color: var(--kb-ink);
  background: var(--kb-surface-soft);
}

.kb-container {
  width: min(var(--kb-max), calc(100% - 40px));
  margin: 0 auto;
}

.kb-main {
  padding: 40px 0 64px;
}

.kb-hero {
  padding: 32px 0 28px;
  border-bottom: 1px solid var(--kb-border);
}

.kb-home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: 44px 0 38px;
}

.kb-home-hero__copy {
  min-width: 0;
}

.kb-hero--compact {
  padding-bottom: 20px;
}

.kb-kicker {
  color: var(--kb-teal);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.kb-hero h1 {
  margin: 0;
  max-width: 760px;
  color: var(--kb-ink);
  font-size: clamp(34px, 4rem, 66px);
  line-height: 0.98;
  letter-spacing: 0;
}

.kb-hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--kb-muted);
  font-size: 18px;
  line-height: 1.7;
}

.kb-home-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  width: min(100%, 680px);
  margin-top: 26px;
}

.kb-home-search input {
  min-width: 0;
  height: 48px;
  border: 1px solid var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  color: var(--kb-ink);
  padding: 0 14px;
  outline: none;
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.02);
}

.kb-home-search input:focus {
  border-color: var(--kb-accent);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
}

.kb-home-search input::placeholder {
  color: var(--kb-subtle);
}

.kb-home-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.kb-home-suggestions a {
  color: var(--kb-muted);
  font-size: 13px;
  font-weight: 650;
  padding: 5px 8px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: rgba(255, 255, 255, 0.7);
}

.kb-home-suggestions a:hover {
  border-color: var(--kb-border-strong);
  background: var(--kb-surface);
  color: var(--kb-accent);
}

.kb-home-panel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.03);
}

.kb-home-panel__title {
  color: var(--kb-ink);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.kb-home-panel__note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--kb-border);
  color: var(--kb-muted);
  font-size: 13px;
  line-height: 1.5;
}

.kb-home-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.kb-home-metrics div {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: #fbfcfe;
}

.kb-home-metrics dt {
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 650;
}

.kb-home-metrics dd {
  margin: 5px 0 0;
  color: var(--kb-ink);
  font-size: 26px;
  line-height: 1;
  font-weight: 800;
}

.kb-hero__actions,
.kb-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.kb-actions--inline {
  margin-top: 0;
  align-items: center;
  justify-content: flex-end;
}

.kb-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  color: var(--kb-ink);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.kb-button:hover {
  border-color: var(--kb-accent);
  color: var(--kb-accent);
}

.kb-button--primary {
  border-color: var(--kb-accent);
  background: var(--kb-accent);
  color: var(--kb-accent-ink);
}

.kb-button--primary:hover {
  background: #1e40af;
  border-color: #1e40af;
  color: #fff;
}

.kb-button--ghost {
  background: transparent;
}

.kb-grid {
  display: grid;
  gap: 20px;
}

.kb-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.kb-card,
.kb-panel {
  background: var(--kb-surface);
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
}

.kb-card {
  padding: 22px;
  min-width: 0;
}

.kb-card h2,
.kb-card h3,
.kb-panel h2,
.kb-panel h3 {
  margin: 0 0 8px;
  color: var(--kb-ink);
  line-height: 1.25;
}

.kb-card p,
.kb-panel p {
  color: var(--kb-muted);
  margin: 0;
}

.kb-card--link {
  display: block;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.kb-card--link:hover {
  border-color: var(--kb-border-strong);
  box-shadow: var(--kb-shadow);
  transform: translateY(-1px);
}

.kb-card__eyebrow {
  color: var(--kb-teal);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.kb-path-list {
  display: grid;
  gap: 10px;
}

.kb-path-list--hub {
  gap: 8px;
}

.kb-path-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.kb-path-row:hover {
  border-color: var(--kb-border-strong);
  box-shadow: var(--kb-shadow);
  transform: translateY(-1px);
}

.kb-path-row__index {
  color: var(--kb-subtle);
  font-size: 12px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.kb-path-row__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.kb-path-row__body strong {
  color: var(--kb-ink);
  line-height: 1.25;
}

.kb-path-row__body span {
  color: var(--kb-muted);
  font-size: 14px;
  line-height: 1.45;
}

.kb-path-row__action {
  color: var(--kb-accent);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.kb-image-card {
  overflow: hidden;
}

.kb-image-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--kb-border);
}

.kb-image-card__body {
  padding: 18px;
}

.kb-link-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.kb-link-list a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  color: var(--kb-muted);
}

.kb-link-list strong {
  color: var(--kb-ink);
}

.kb-link-list a:hover {
  border-color: var(--kb-border-strong);
  color: var(--kb-accent);
}

.kb-link-list--steps a {
  align-items: center;
  min-height: 58px;
}

.kb-link-list--steps span {
  color: var(--kb-muted);
  font-size: 14px;
}

.kb-section {
  padding-top: 32px;
}

.kb-section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.kb-section__head h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.kb-section__head p {
  margin: 6px 0 0;
  color: var(--kb-muted);
}

.kb-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.kb-stat {
  padding: 18px;
  background: var(--kb-surface);
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
}

.kb-stat__value {
  display: block;
  color: var(--kb-ink);
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
}

.kb-stat__label {
  display: block;
  margin-top: 8px;
  color: var(--kb-muted);
  font-size: 13px;
}

.kb-doc-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 250px;
  gap: 20px;
  align-items: start;
}

.kb-doc-layout > * {
  min-width: 0;
}

.kb-sidebar,
.kb-aside {
  position: sticky;
  top: 84px;
}

.kb-panel {
  padding: 16px;
}

.kb-panel + .kb-panel {
  margin-top: 16px;
}

.kb-panel__title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--kb-ink);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.kb-search {
  position: relative;
  margin-bottom: 14px;
}

.kb-search input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  color: var(--kb-ink);
  padding: 0 14px;
  outline: none;
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.02);
}

.kb-search input:focus {
  border-color: var(--kb-accent);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
}

.kb-search input::placeholder {
  color: var(--kb-subtle);
}

.kb-select {
  min-height: 40px;
  border: 1px solid var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  color: var(--kb-ink);
  padding: 8px 34px 8px 10px;
  outline: none;
}

.kb-select:focus {
  border-color: var(--kb-accent);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
}

.kb-filter-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
}

.kb-filter {
  width: 100%;
  border: 0;
  border-radius: var(--kb-radius);
  background: transparent;
  color: var(--kb-muted);
  cursor: pointer;
  padding: 8px 9px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.kb-filter:hover,
.kb-filter.is-active {
  background: var(--kb-surface-soft);
  color: var(--kb-ink);
}

.kb-filter small {
  color: var(--kb-subtle);
  font-weight: 650;
}

.kb-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kb-chip {
  border: 1px solid var(--kb-border);
  border-radius: 999px;
  background: var(--kb-surface);
  color: var(--kb-muted);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
}

.kb-chip:hover,
.kb-chip.is-active {
  border-color: var(--kb-accent);
  color: var(--kb-accent);
  background: #eff6ff;
}

.kb-results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.kb-results-head h2 {
  margin: 0;
  font-size: 20px;
}

.kb-count {
  color: var(--kb-muted);
  font-size: 14px;
}

.kb-doc-list {
  display: grid;
  gap: 10px;
}

.kb-doc-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--kb-surface);
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
  min-width: 0;
}

.kb-doc-card > div:first-child {
  min-width: 0;
}

.kb-doc-card:hover {
  border-color: var(--kb-border-strong);
  box-shadow: var(--kb-shadow);
  transform: translateY(-1px);
}

.kb-doc-card__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.kb-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border-radius: 999px;
  padding: 2px 8px;
  background: var(--kb-surface-soft);
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 720;
}

.kb-badge--markdown {
  background: #ecfdf5;
  color: var(--kb-green);
}

.kb-badge--pdf {
  background: #fff7ed;
  color: #c2410c;
}

.kb-badge--word {
  background: #eff6ff;
  color: var(--kb-accent);
}

.kb-doc-card h3 {
  margin: 0;
  color: var(--kb-ink);
  font-size: 17px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.kb-doc-card p {
  margin: 8px 0 0;
  color: var(--kb-muted);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.kb-doc-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.kb-tag {
  color: var(--kb-muted);
  background: #f8fafc;
  border: 1px solid var(--kb-border);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  line-height: 1.3;
}

.kb-doc-card__action {
  justify-self: end;
  white-space: nowrap;
}

.kb-empty {
  padding: 34px;
  text-align: center;
  color: var(--kb-muted);
  border: 1px dashed var(--kb-border-strong);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
}

.kb-mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.kb-mini-list a,
.kb-mini-list span {
  display: block;
  color: var(--kb-muted);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.kb-mini-list strong {
  color: var(--kb-ink);
  display: block;
  font-size: 14px;
}

.kb-mini-list--rich a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
}

.kb-mini-list--rich a:hover {
  border-color: var(--kb-border-strong);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.kb-mini-list--rich .kb-mini-list__meta {
  color: var(--kb-muted);
  font-size: 13px;
}

.kb-mini-list--rich .kb-mini-list__type {
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 760;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--kb-surface-soft);
  white-space: nowrap;
}

.kb-type-grid {
  display: grid;
  gap: 8px;
}

.kb-type-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--kb-muted);
  font-size: 14px;
}

.kb-footer {
  border-top: 1px solid var(--kb-border);
  padding: 24px 0 36px;
  color: var(--kb-muted);
  font-size: 14px;
}

.kb-footer__inner {
  width: min(var(--kb-max), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.kb-reader-shell {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 70px;
}

.kb-reader-head {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--kb-border);
  margin-bottom: 28px;
}

.kb-reader-head h1 {
  margin: 8px 0 10px;
  color: var(--kb-ink);
  font-size: clamp(30px, 3.25rem, 52px);
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.kb-reader-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--kb-muted);
  font-size: 13px;
}

.kb-reader-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, var(--kb-reader));
  gap: 24px;
  align-items: start;
}

.kb-reader-toc {
  position: sticky;
  top: 84px;
}

.kb-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 7px;
}

.kb-toc-list a {
  color: var(--kb-muted);
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

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

.kb-toc-list__h3 {
  padding-left: 12px;
}

.kb-reader-content {
  background: var(--kb-surface);
  border: 1px solid var(--kb-border);
  border-radius: var(--kb-radius);
  padding: clamp(22px, 5vw, 42px);
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.03);
}

.kb-reader-content h1,
.kb-reader-content h2,
.kb-reader-content h3,
.kb-reader-content h4 {
  color: var(--kb-ink);
  line-height: 1.25;
  margin: 1.45em 0 0.55em;
}

.kb-reader-content h1:first-child,
.kb-reader-content h2:first-child,
.kb-reader-content h3:first-child {
  margin-top: 0;
}

.kb-reader-content p,
.kb-reader-content li {
  color: #344054;
}

.kb-reader-content a {
  color: var(--kb-accent);
  border-bottom: 1px solid rgba(29, 78, 216, 0.25);
}

.kb-reader-content blockquote {
  margin: 1.4em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--kb-teal);
  background: #f0fdfa;
  color: #115e59;
}

.kb-reader-content code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #eef2f7;
  color: #0f172a;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.kb-reader-content pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: var(--kb-radius);
  background: var(--kb-code-bg);
  color: #e5e7eb;
}

.kb-reader-content pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.kb-reader-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--kb-radius);
  border: 1px solid var(--kb-border);
}

.kb-status {
  padding: 22px;
  border-radius: var(--kb-radius);
  background: var(--kb-surface);
  border: 1px solid var(--kb-border);
  color: var(--kb-muted);
}

.kb-status strong,
.kb-status span {
  display: block;
}

.kb-status strong {
  color: var(--kb-ink);
  margin-bottom: 6px;
}

.kb-status .kb-button {
  margin-top: 14px;
}

.kb-status--error {
  border-color: #fecaca;
  background: #fff1f2;
  color: #991b1b;
}

.kb-status--error strong {
  color: #7f1d1d;
}

.kb-reader-content table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.kb-reader-content th,
.kb-reader-content td {
  border: 1px solid var(--kb-border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.kb-reader-content hr {
  border: 0;
  border-top: 1px solid var(--kb-border);
  margin: 2em 0;
}

@media (max-width: 1080px) {
  .kb-doc-layout {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .kb-aside {
    display: none;
  }
}

@media (max-width: 860px) {
  .kb-topbar__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 10px;
  }

  .kb-nav {
    justify-content: flex-start;
  }

  .kb-main {
    padding-top: 24px;
  }

  .kb-home-hero {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

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

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

  .kb-sidebar,
  .kb-aside,
  .kb-reader-toc {
    position: static;
  }

  .kb-reader-toc {
    max-height: 240px;
    overflow: auto;
  }

  .kb-filter-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
    width: 100%;
  }

  .kb-filter {
    flex: 0 0 auto;
    max-width: min(260px, 78vw);
    width: auto;
    white-space: nowrap;
  }

  .kb-filter span {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .kb-stats,
  .kb-grid--2,
  .kb-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .kb-topbar__inner,
  .kb-container,
  .kb-footer__inner,
  .kb-reader-shell {
    width: min(100% - 28px, var(--kb-max));
  }

  .kb-brand__meta {
    white-space: normal;
  }

  .kb-nav {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .kb-nav::-webkit-scrollbar {
    display: none;
  }

  .kb-nav a {
    flex: 0 0 auto;
  }

  .kb-hero h1 {
    font-size: 34px;
  }

  .kb-hero p {
    font-size: 16px;
  }

  .kb-home-search {
    grid-template-columns: 1fr;
  }

  .kb-home-search .kb-button {
    width: 100%;
  }

  .kb-path-row,
  .kb-mini-list--rich a {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .kb-path-row__action {
    justify-self: start;
  }

  .kb-home-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .kb-reader-head h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  .kb-stats,
  .kb-grid--2,
  .kb-grid--3 {
    grid-template-columns: 1fr;
  }

  .kb-results-head,
  .kb-section__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .kb-actions--inline {
    width: 100%;
    justify-content: flex-start;
  }

  .kb-actions--inline .kb-select,
  .kb-actions--inline .kb-button {
    flex: 1 1 160px;
  }

  .kb-link-list a {
    display: grid;
    gap: 4px;
  }

  .kb-doc-card {
    grid-template-columns: 1fr;
  }

  .kb-doc-card__action {
    justify-self: stretch;
  }

  .kb-doc-card__action .kb-button {
    width: 100%;
  }

  .kb-card,
  .kb-panel,
  .kb-doc-card,
  .kb-reader-content {
    padding: 16px;
  }
}