:root {
    --body-font-family: "Inter", system-ui, -apple-system, sans-serif;
    --headlines-font-family: "Inter", system-ui, -apple-system, sans-serif;
    --langchain-blue: #7FC8FF;
    --langchain-primary: #006DDD;
    --primaryColor: var(--langchain-primary);
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-base: #ffffff;
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: var(--body-font-family);
    color: var(--neutral-900);
    background: var(--neutral-base);
    -webkit-font-smoothing: antialiased;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  /* Layout */
  
  .kb-page-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  .kb-content-wrapper {
    display: flex;
    width: 100%;
    flex: 1;
    justify-content: center;
    padding: 24px;
    background: var(--neutral-base);
    margin-top: 4px;
  }
  
  .kb-collection-content-wrapper {
    display: flex;
    width: 100%;
    flex: 1;
    justify-content: center;
    padding: 0 24px 24px 24px;
    background: var(--neutral-base);
  }
  
  .kb-collection-content-wrapper #kb-search-results {
    margin-top: 24px;
  }
  
  .kb-content {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    flex: 1;
  }
  
  /* Banner */
  
  .kb-banner {
    position: relative;
    z-index: 1;
    height: 320px;
    min-height: 320px;
    transition: height 500ms ease-in-out, min-height 500ms ease-in-out;
  }
  
  .kb-banner[data-kb-state="searching"] {
    height: 128px;
    min-height: 128px;
  }
  
  .kb-banner-bg {
    position: absolute;
    inset: 0;
    overflow: clip;
    z-index: -1;
  }
  
  .kb-banner-bg-color {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 320px;
    overflow: clip;
    background-size: cover;
    background-position: center;
    opacity: 1;
    transition: height 500ms ease-in-out, opacity 500ms ease-in-out;
  }
  
  .kb-banner[data-kb-state="searching"] .kb-banner-bg-color {
    height: 128px;
    opacity: 0;
  }
  
  .kb-banner-bg-blur {
    pointer-events: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1000px;
    max-width: 100%;
    height: 1000px;
    transform: translate(-50%, -50%);
    filter: blur(180px);
    opacity: 0.15;
    transition: opacity 500ms ease-in-out;
  }
  
  .kb-banner[data-kb-state="searching"] .kb-banner-bg-blur {
    opacity: 0;
  }
  
  .kb-banner-bg-image {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    transition: opacity 500ms ease-in-out;
  }
  
  .kb-banner[data-kb-state="searching"] .kb-banner-bg-image {
    opacity: 0;
  }
  
  .kb-banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 24px;
    margin-bottom: 62px;
  }
  
  .kb-banner-title {
    display: flex;
    max-width: 100%;
    overflow: hidden;
    text-align: center;
    font-weight: 600;
    font-size: 36px;
    height: 54px;
    margin-top: 24px;
    margin-bottom: 16px;
    opacity: 1;
    transition: opacity 500ms ease-in-out, height 500ms ease-in-out,
      margin 500ms ease-in-out;
    font-family: var(--headlines-font-family);
  }
  
  .kb-banner-title-text {
    line-height: 1.5;
  }
  
  .kb-banner[data-kb-state="searching"] .kb-banner-title {
    height: 0;
    margin: 0;
    opacity: 0;
  }
  
  .kb-banner-title span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .kb-banner--dark-text {
    color: var(--neutral-900);
  }
  
  .kb-banner--light-text {
    color: #ffffff;
  }
  
  .kb-logo-bright {
    display: none;
  }
  
  .kb-banner--light-text .kb-logo-default {
    display: none;
  }
  
  .kb-banner--light-text .kb-logo-bright {
    display: block;
  }
  
  .kb-banner[data-kb-state="searching"].kb-banner--light-text {
    color: var(--neutral-900);
  }
  
  .kb-banner[data-kb-state="searching"].kb-banner--light-text .kb-logo-default {
    display: block;
  }
  
  .kb-banner[data-kb-state="searching"].kb-banner--light-text .kb-logo-bright {
    display: none;
  }
  
  .kb-banner[data-kb-state="searching"].kb-banner--light-text .kb-auth-button {
    border-color: var(--neutral-200);
    color: var(--neutral-900);
  }
  
  .kb-search-container {
    position: relative;
    max-width: 100%;
    width: 512px;
    transition: width 500ms ease-in-out;
  }
  
  .kb-banner[data-kb-state="searching"] .kb-search-container {
    width: 1000px;
  }
  
  /* Search Input */
  
  .kb-search-icon {
    pointer-events: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    padding-left: 12px;
    color: var(--neutral-500);
  }
  
  .kb-search-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .KnowledgeBaseSearchInput {
    font-size: 14px;
    height: 44px;
    width: 100%;
    padding-left: 38px;
    padding-right: 12px;
    border-radius: 8px;
    border: 1px solid transparent;
    outline: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--neutral-base);
    font-family: var(--body-font-family);
    color: var(--neutral-900);
  }
  
  .KnowledgeBaseSearchInput:hover {
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.08);
  }
  
  .KnowledgeBaseSearchInput:focus {
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.08);
    border: 1px solid transparent;
    outline-offset: 0px;
    outline: 1px solid var(--primaryColor);
  }
  
  .KnowledgeBaseSearchInput::placeholder {
    color: var(--neutral-500);
  }
  
  /* Search results visibility */
  
  #kb-search-results {
    display: none;
  }
  
  .kb-banner[data-kb-state="searching"] ~ .kb-content-wrapper #kb-search-results {
    display: block;
  }
  
  .kb-banner[data-kb-state="searching"]
    ~ .kb-content-wrapper
    .kb-homepage-content {
    display: none;
  }
  
  /* Header */
  
  .kb-header {
    position: relative;
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 24px;
  }
  
  .kb-header-inner {
    display: flex;
    max-width: 1000px;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin: 0 auto;
  }
  
  .kb-header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }
  
  .kb-header-logo img {
    height: 32px;
    flex-shrink: 0;
  }
  
  .kb-header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  
  .kb-header-link {
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s;
  }

  .kb-header-nav > .kb-header-link {
    display: none;
  }
  
  .kb-header-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: none;
    background: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    color: inherit;
    flex-shrink: 0;
  }
  
  @media (max-width: 640px) {
    .kb-header-hamburger {
      display: flex;
    }
  }
  
  .kb-header-mobile-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(100% - 4px);
    left: 24px;
    right: 24px;
    background: var(--neutral-base);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 4px 0;
    z-index: 50;
  }
  
  .kb-header--menu-open .kb-header-mobile-nav {
    display: flex;
  }
  
  @media (min-width: 641px) {
    .kb-header--menu-open .kb-header-mobile-nav {
      display: none;
    }
  }
  
  .kb-header-mobile-link {
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    color: var(--neutral-900);
    border-radius: 4px;
    margin: 0 4px;
    transition: background-color 0.15s;
  }
  
  .kb-header-mobile-link:hover {
    background-color: var(--neutral-100);
  }
  
  .kb-header--dark-text .kb-header-link {
    color: var(--neutral-900);
  }
  
  .kb-header--light-text .kb-header-link {
    color: var(--neutral-base);
  }
  
  /* Auth Button */
  
  .kb-auth-wrapper {
    position: relative;
  }
  
  .kb-auth-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px 4px 12px;
    border: 1px solid rgba(23, 23, 23, 0.2);
    border-radius: 4px;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    line-height: 20px;
    font-weight: 500;
    color: var(--neutral-900);
    cursor: pointer;
    transition: all 0.15s;
  }
  
  .kb-auth-button:hover {
    background: rgba(229, 229, 229, 0.1);
  }
  
  .kb-banner--light-text .kb-auth-button {
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
  }
  
  .kb-auth-logout {
    gap: 8px;
    padding: 4px 12px 4px 10px;
  }
  
  .kb-auth-avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
  }
  
  .kb-auth-chevron {
    flex-shrink: 0;
  }
  
  .kb-auth-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    white-space: nowrap;
    padding: 4px 0;
    background: var(--neutral-base);
    border-radius: 4px;
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.12);
    z-index: 100;
  }
  
  .kb-auth-dropdown-item {
    display: block;
    width: 100%;
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    color: var(--neutral-900);
    text-align: left;
    cursor: pointer;
  }
  
  .kb-auth-dropdown-item:hover {
    background: var(--neutral-100);
  }
  
  /* Locale Switcher */
  
  #kb-locale:empty {
    display: none;
  }
  
  .kb-locale-wrapper {
    position: relative;
  }
  
  .kb-locale-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: inherit;
    cursor: pointer;
    transition: opacity 0.2s;
  }
  
  .kb-locale-button:hover {
    opacity: 0.7;
  }
  
  .kb-locale-globe {
    flex-shrink: 0;
  }
  
  .kb-locale-chevron {
    flex-shrink: 0;
  }
  
  .kb-locale-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    white-space: nowrap;
    padding: 4px 0;
    max-height: 240px;
    overflow-y: auto;
    background: var(--neutral-base);
    border-radius: 4px;
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.12);
    z-index: 100;
  }
  
  .kb-locale-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    color: var(--neutral-900);
    text-align: left;
    cursor: pointer;
  }
  
  .kb-locale-dropdown-item:hover {
    background: var(--neutral-100);
  }
  
  .kb-locale-dropdown-item--active {
    font-weight: 500;
  }
  
  /* Collections Grid */
  
  .kb-collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  
  .kb-collection-card {
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    border: 1px solid var(--neutral-200);
    background: var(--neutral-base);
    padding: 16px;
    transition: box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
  }
  
  .kb-collection-card:hover {
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.08);
  }
  
  .kb-collection-card-icon {
    margin-bottom: 8px;
    flex-shrink: 0;
    color: var(--neutral-400);
    height: 24px;
  }
  
  .kb-collection-card-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .kb-collection-card-icon .kb-collection-custom-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
  }
  
  .kb-collection-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 6px;
    overflow: hidden;
  }
  
  .kb-collection-card-title {
    font-family: var(--headlines-font-family);
    font-weight: 500;
    color: var(--neutral-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.5;
  }
  
  .kb-collection-card-description {
    font-size: 14px;
    color: var(--neutral-800);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 44px;
    line-height: calc(1.25 / 0.875);
  }
  
  .kb-collection-card-count {
    margin-top: 8px;
    font-size: 12px;
    color: var(--neutral-500);
    line-height: calc(1 / 0.75);
  }
  
  /* Popular Articles */
  
  .kb-popular-articles {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  .kb-popular-articles-title {
    font-family: var(--headlines-font-family);
    font-size: 18px;
    font-weight: 600;
    color: var(--neutral-900);
  }
  
  .kb-article-card {
    display: flex;
    align-items: center;
    border-radius: 8px;
    border: 1px solid var(--neutral-200);
    padding: 16px;
    transition: box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
  }
  
  .kb-article-card:hover {
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.08);
  }
  
  .kb-article-card-icon {
    flex-shrink: 0;
    color: var(--neutral-400);
    margin-right: 8px;
    height: 20px;
  }
  
  .kb-article-card-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .kb-article-card-title {
    flex: 1;
    color: var(--neutral-900);
  }
  
  .kb-article-card-chevron {
    width: 16px;
    height: 16px;
    color: var(--neutral-600);
    flex-shrink: 0;
    display: flex;
    align-items: center;
  }
  
  /* Footer */
  
  .kb-footer {
    background: var(--neutral-base);
  }
  
  .kb-footer-divider {
    height: 1px;
    width: 100%;
    flex-shrink: 0;
    background: var(--neutral-200);
    margin-top: 40px;
  }
  
  .kb-footer-content {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 24px 24px 48px;
    margin-top: 8px;
  }
  
  @media (max-width: 640px) {
    .kb-footer-content {
      padding-bottom: 60px;
    }
  }
  
  .kb-footer-inner {
    display: flex;
    max-width: 1000px;
    flex: 1;
    flex-direction: column;
    gap: 32px;
    margin: 0 auto;
  }
  
  .kb-footer-sections {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px 0;
  }
  
  .kb-footer-links-group {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    font-size: 14px;
  }
  
  .kb-footer-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-right: 32px;
  }
  
  .kb-footer-section-title {
    font-family: var(--headlines-font-family);
    font-weight: 500;
    color: var(--neutral-900);
    margin-bottom: 4px;
  }
  
  .kb-footer-section-links {
    display: flex;
    flex: 1;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 16px;
  }
  
  .kb-footer-section-link {
    color: var(--neutral-600);
    transition: color 0.2s;
    line-height: calc(1.25 / 0.875);
  }
  
  .kb-footer-section-link:hover {
    color: var(--neutral-700);
  }
  
  .kb-footer-social-links {
    display: flex;
    gap: 16px;
  }
  
  .kb-footer-social-link {
    color: var(--neutral-600);
    transition: color 0.2s;
  }
  
  .kb-footer-social-link:hover {
    color: var(--neutral-700);
  }
  
  .kb-footer-bottom {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
  }
  
  .kb-footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  
  .kb-footer-logo img {
    height: 32px;
    flex-shrink: 0;
    border-radius: 4px;
  }
  
  .kb-powered-by {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--slate-400);
    transition: color 0.2s;
  }
  
  .kb-powered-by:hover {
    color: var(--slate-500);
  }
  
  .kb-powered-by img {
    height: 14px;
    width: auto;
  }
  
  .kb-powered-by span {
    display: flex;
    align-items: center;
    gap: 2px;
    font-weight: 500;
  }
  
  /* Search Results */
  
  .kb-search-input-wrapper {
    position: relative;
  }
  
  .kb-search-results-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .kb-search-result-skeleton {
    height: 100px;
    width: 100%;
    background: var(--neutral-100);
    border-radius: 8px;
    animation: kb-pulse 2s ease-in-out infinite;
  }
  
  @keyframes kb-pulse {
    0%,
    100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }
  
  .kb-search-result-item {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    margin-inline: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--neutral-200);
  }
  
  .kb-search-result-item:hover .kb-search-result-title {
    color: var(--neutral-900);
  }
  
  .kb-search-result-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    margin-bottom: 4px;
    line-height: calc(1 / 0.75);
  }
  
  .kb-search-result-breadcrumbs svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--neutral-500);
  }
  
  .kb-search-result-breadcrumb-segment {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  
  .kb-search-result-breadcrumb-segment svg {
    width: 14px;
    height: 14px;
  }
  
  .kb-search-result-breadcrumb-link {
    color: var(--neutral-900);
    text-decoration: none;
  }
  
  .kb-search-result-badge {
    border-radius: 2px;
    background-color: var(--neutral-200, #e5e5e5);
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--neutral-800, #262626);
    line-height: calc(1 / 0.75);
  }
  
  .kb-search-result-breadcrumb-link:hover {
    text-decoration: underline;
  }
  
  .kb-search-result-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--neutral-800);
    transition: color 0.2s ease-in-out;
    line-height: 1.5;
  }
  
  .kb-search-result-highlight {
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .kb-search-result-highlight em,
  .kb-search-result-highlight mark,
  .kb-search-result-highlight .highlight-result {
    font-style: normal;
    font-weight: 400;
    background-color: var(--blue-100);
  }
  
  .kb-search-result-breadcrumb-favicon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    border-radius: 2px;
  }
  
  .kb-search-no-results {
    padding: 24px 0;
    text-align: center;
    color: var(--neutral-500);
  }
  
  /* Ask AI synthesized response */
  
  .kb-ask-ai {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-inline: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--neutral-200);
  }
  
  .kb-ask-ai-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--neutral-600);
  }
  
  .kb-ask-ai-header svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  
  .kb-ask-ai-body {
    overflow: hidden;
    transition: max-height 0.2s ease-in-out;
  }
  
  .kb-ask-ai-body--clamped {
    max-height: 124px;
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  }
  
  .kb-ask-ai-title {
    font-weight: 600;
    font-size: 16px;
    color: var(--neutral-900);
    line-height: 1.5;
    margin-bottom: 4px;
  }
  
  .kb-ask-ai-response {
    line-height: 1.5;
    white-space: pre-line;
  }
  
  /* Sources chip + popover */
  
  .kb-sources-chip-wrapper {
    display: inline-flex;
    margin-top: -2px;
    align-items: center;
    justify-content: center;
    height: 20px;
    padding-inline: 2px;
  }
  
  .kb-sources-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    background: var(--neutral-100);
    color: var(--neutral-600);
    transition: background-color 0.1s ease-in-out;
  }
  
  .kb-sources-chip:hover {
    background: var(--neutral-200);
  }
  
  .kb-sources-popover {
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 50;
    min-width: 400px;
    max-width: 535px;
    background: var(--neutral-0, #fff);
    border: 1px solid var(--neutral-200);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  
  .kb-sources-popover-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 4px;
    border-radius: 4px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: background-color 0.1s ease-in-out;
  }
  
  .kb-sources-popover-row:hover {
    background: var(--neutral-100);
  }
  
  .kb-sources-popover-index {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--neutral-500);
  }
  
  .kb-sources-popover-title {
    flex: 1;
    min-width: 0;
    font-size: 13px;
    color: var(--neutral-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .kb-sources-popover-meta {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--neutral-500);
  }
  
  .kb-sources-popover-domain {
    white-space: nowrap;
  }
  
  .kb-sources-popover-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }
  
  .kb-sources-popover-icon svg {
    width: 16px;
    height: 16px;
  }
  
  .kb-sources-popover-favicon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border-radius: 2px;
    object-fit: contain;
  }
  
  .kb-ask-ai-feedback {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
  }
  
  .kb-ask-ai-feedback-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: none;
    outline: none;
    background: transparent;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    border-radius: 4px;
    color: var(--neutral-400);
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
  }
  
  .kb-ask-ai-feedback-btn:hover {
    color: var(--neutral-600);
    background-color: var(--neutral-100);
  }
  
  .kb-ask-ai-feedback-btn svg {
    width: 14px;
    height: 14px;
  }
  
  .kb-ask-ai-feedback-result {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-900);
  }
  
  .kb-ask-ai-feedback-result svg {
    width: 14px;
    height: 14px;
  }
  
  .kb-ask-ai-toggle {
    font-size: 14px;
    font-weight: 500;
    color: var(--primaryColor);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-align: left;
  }
  
  .kb-ask-ai-toggle:hover {
    text-decoration: underline;
  }
  
  /* Search results + filter wrapper */
  
  .kb-search-results-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  @media (min-width: 640px) {
    .kb-search-results-wrapper {
      flex-direction: row;
      gap: 16px;
    }
  
    .kb-search-results-wrapper > .kb-search-results-list {
      flex: 1;
      min-width: 0;
    }
  }
  
  /* Search filter sidebar */
  
  .kb-search-filter {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .kb-search-filter-heading {
    font-size: 12px;
    font-weight: 500;
    color: var(--neutral-600);
  }
  
  .kb-search-filter-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--neutral-900);
    font-family: var(--headlines-font-family);
  }
  
  .kb-search-filter-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
  }
  
  .kb-filter-checkbox-label {
    --unchecked-border-color: var(--neutral-400);
    --unchecked-hover-color: var(--neutral-100);
    --checked-color: oklch(
      from var(--checkboxColor, var(--primaryColor)) min(l, 0.5) max(c, 0.1) h
    );
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 14px;
    color: var(--neutral-900);
  }
  
  .kb-filter-checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  .kb-filter-checkbox-custom {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    border: 1px solid var(--unchecked-border-color);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background-color: transparent;
    transition: background-color 0.1s ease-in, border-color 0.1s ease-in;
  }
  
  .kb-filter-checkbox-custom svg {
    width: 1rem;
    height: 1rem;
    opacity: 0;
    transition: opacity 0.1s ease-in-out;
  }
  
  .kb-filter-checkbox-input:checked + .kb-filter-checkbox-custom {
    background-color: var(--checked-color);
    border-color: var(--checked-color);
  }
  
  .kb-filter-checkbox-input:checked + .kb-filter-checkbox-custom svg {
    opacity: 1;
  }
  
  .kb-filter-checkbox-label:hover
    .kb-filter-checkbox-input:not(:checked)
    + .kb-filter-checkbox-custom {
    background-color: var(--unchecked-hover-color);
  }
  
  .kb-filter-checkbox-label:hover
    .kb-filter-checkbox-input:checked
    + .kb-filter-checkbox-custom {
    background-color: color-mix(in oklch, var(--checked-color), black 15%);
    border-color: color-mix(in oklch, var(--checked-color), black 15%);
  }
  
  .kb-filter-checkbox-content {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
  }
  
  .kb-filter-checkbox-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .kb-filter-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--neutral-500);
  }
  
  .kb-filter-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .kb-filter-favicon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    border-radius: 2px;
  }
  
  /* Breadcrumbs */
  
  .kb-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    line-height: calc(1 / 0.75);
  }
  
  .kb-breadcrumb-link {
    color: var(--neutral-900);
    text-decoration: none;
  }
  
  .kb-breadcrumb-link:hover {
    text-decoration: underline;
  }
  
  .kb-breadcrumb-separator {
    color: var(--neutral-500);
    font-size: 14px;
  }
  
  .kb-breadcrumb-current {
    color: var(--neutral-500);
  }
  
  /* Article Badges */
  
  .kb-article-badges-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }
  
  .kb-article-badges {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .kb-article-badge {
    border-radius: 2px;
    background-color: var(--neutral-200, #e5e5e5);
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--neutral-800, #262626);
    line-height: calc(1 / 0.75);
  }
  
  /* Collection Page */
  
  .kb-collection-page-content {
    display: flex;
    flex-direction: column;
    margin-top: 24px;
  }
  
  .kb-collection-page-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
  }
  
  .kb-collection-page-icon {
    flex-shrink: 0;
    color: var(--neutral-400);
    height: 28px;
  }
  
  .kb-collection-page-icon svg {
    width: 28px;
    height: 28px;
  }
  
  .kb-collection-page-icon .kb-collection-custom-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
  }
  
  .kb-collection-page-title {
    font-family: var(--headlines-font-family);
    font-size: 24px;
    font-weight: 600;
    color: var(--neutral-900);
    line-height: 1.5;
  }
  
  .kb-collection-page-description {
    margin-top: 16px;
    color: var(--neutral-700);
    line-height: 1.5;
  }
  
  .kb-collection-page-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
  }
  
  /* Article Page */
  
  .kb-article-content-wrapper {
    display: flex;
    width: 100%;
    flex: 1;
    justify-content: center;
    padding: 0 24px 24px 24px;
    background: var(--neutral-base);
  }
  
  .kb-article-content-wrapper #kb-search-results {
    margin-top: 24px;
  }
  
  .kb-article-page-content {
    display: flex;
    flex-direction: column;
    margin-top: 24px;
  }
  
  .kb-article-layout {
    display: flex;
    gap: 44px;
    position: relative;
  }
  
  .kb-article-main {
    width: 100%;
    min-width: 0;
    max-width: 640px;
    margin: 0 auto;
  }
  
  .kb-article-header {
    margin-top: 16px;
  }
  
  .kb-article-title {
    font-family: var(--headlines-font-family);
    font-size: 24px;
    font-weight: 600;
    color: var(--neutral-900);
    line-height: 1.4;
    word-break: break-word;
  }
  
  .kb-article-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--neutral-500);
  }
  
  .kb-article-edit-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 4px;
  }
  
  .kb-article-edit-link > svg {
    width: 4px;
    height: 4px;
    flex-shrink: 0;
  }
  
  .kb-article-edit-link a svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  
  .kb-article-edit-link a {
    font-weight: 500;
    color: var(--neutral-600);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
  }
  
  .kb-article-edit-link a:hover {
    text-decoration: underline;
  }
  
  .kb-article-body {
    margin-top: 24px;
    line-height: 1.6;
    font-size: 16px;
    color: var(--neutral-900);
    word-break: break-word;
  }
  
  .kb-article-body h1,
  .kb-article-body h2,
  .kb-article-body h3 {
    font-family: var(--headlines-font-family);
    font-weight: 600;
    color: var(--neutral-900);
    cursor: pointer;
  }
  
  .kb-article-body h1 {
    font-size: 20px;
    line-height: 28px;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }
  
  .kb-article-body h2 {
    font-size: 18px;
    line-height: 25px;
    margin-top: 1.75rem;
    margin-bottom: 1rem;
  }
  
  .kb-article-body h3 {
    font-size: 16px;
    line-height: 22px;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
  }
  
  .kb-article-body p {
    margin: 0.4rem 0;
    line-height: 24px;
  }
  
  .kb-article-body a {
    color: var(--text-link-color, var(--primaryColor));
    text-decoration: underline;
  }
  
  .kb-article-body a:hover {
    opacity: 0.8;
  }
  
  .kb-article-body ul,
  .kb-article-body ol {
    padding-left: 1.5rem;
    margin: 0.5rem 0;
  }
  
  .kb-article-body li {
    margin: 0.25rem 0;
    line-height: 24px;
  }
  
  .kb-article-body img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
  }
  
  .kb-article-body img[data-width="25%"] { width: 25%; }
  .kb-article-body img[data-width="50%"] { width: 50%; }
  .kb-article-body img[data-width="75%"] { width: 75%; }
  .kb-article-body img[data-width="100%"] { width: 100%; }
  
  .kb-article-body img[data-align="center"] {
    margin-left: auto;
    margin-right: auto;
  }
  
  .kb-article-body img[data-align="left"] {
    margin-left: 0;
    margin-right: auto;
  }
  
  .kb-article-body img[data-align="right"] {
    margin-left: auto;
    margin-right: 0;
  }
  
  .kb-article-body pre {
    background: var(--neutral-100);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    margin: 1rem 0;
    font-size: 14px;
    line-height: 1.5;
  }
  
  .kb-article-body code {
    background: var(--neutral-100);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 14px;
  }
  
  .kb-article-body pre code {
    background: none;
    padding: 0;
    border-radius: 0;
  }
  
  .kb-article-body blockquote {
    border-left: 3px solid var(--neutral-200);
    padding-left: 16px;
    margin: 1rem 0;
    color: var(--neutral-600);
  }
  
  .kb-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 14px;
  }
  
  .kb-article-body th,
  .kb-article-body td {
    border: 1px solid var(--neutral-200);
    padding: 8px 12px;
    text-align: left;
  }
  
  .kb-article-body th {
    background: var(--neutral-100);
    font-weight: 600;
  }
  
  .kb-article-body hr {
    border: none;
    border-top: 1px solid var(--neutral-200);
    margin: 1.5rem 0;
  }
  
  /* Tiptap Article Content */
  
  .kb-article-body .ProseMirror {
    outline: none;
  }
  
  .kb-article-body .ProseMirror > * {
    max-width: 640px;
    margin-block: 0.75rem;
  }
  
  .kb-article-body .ProseMirror p {
    margin-block: 0.4rem;
    line-height: 24px;
    font-size: 16px;
    color: var(--neutral-900);
  }
  
  .kb-article-body .ProseMirror p:first-child {
    margin-top: 0;
  }
  
  .kb-article-body .ProseMirror h1 {
    font-size: 20px;
    font-weight: 600;
    line-height: 28px;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--neutral-900);
  }
  
  .kb-article-body .ProseMirror h2 {
    font-size: 18px;
    font-weight: 600;
    line-height: 25px;
    margin-top: 1.75rem;
    margin-bottom: 1rem;
    color: var(--neutral-900);
  }
  
  .kb-article-body .ProseMirror h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 22px;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--neutral-900);
  }
  
  .kb-article-body .ProseMirror h1,
  .kb-article-body .ProseMirror h2,
  .kb-article-body .ProseMirror h3 {
    font-family: var(--headlines-font-family);
    cursor: pointer;
    position: relative;
  }
  
  .kb-article-body .ProseMirror h1:hover::before,
  .kb-article-body .ProseMirror h2:hover::before,
  .kb-article-body .ProseMirror h3:hover::before {
    content: "#";
    position: absolute;
    left: -20px;
    color: var(--neutral-400);
  }
  
  .kb-article-body .ProseMirror a {
    color: var(--text-link-color, var(--primaryColor));
    cursor: pointer;
    text-decoration: none;
  }
  
  .kb-article-body .ProseMirror a:hover {
    text-decoration: underline;
  }
  
  .kb-article-body .ProseMirror img {
    display: block;
    height: auto;
    width: 100%;
    max-width: 100%;
    border-radius: 4px;
  }
  
  .kb-article-body .node-imageBlock button:not(dialog *) {
    display: block;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    cursor: zoom-in;
    text-align: inherit;
  }
  
  .kb-article-body dialog.dialog > section {
    width: fit-content;
    margin: auto;
    transform: translateY(calc(50vh - 50%));
  }
  
  .kb-article-body .kb-image-preview {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    display: inline-block;
  }
  
  .kb-article-body .kb-image-preview-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 1;
  }
  
  .kb-article-body .kb-image-preview-close button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--neutral-200);
    border-radius: 0.375rem;
    cursor: pointer;
    color: var(--neutral-700);
    line-height: 1;
  }
  
  .kb-article-body .kb-image-preview-close button:hover {
    background: rgba(255, 255, 255, 1);
  }
  
  .kb-article-body .kb-image-preview-close button div {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .kb-article-body .kb-image-preview-close button svg {
    width: 18px;
    height: 18px;
  }
  
  .kb-article-body .kb-image-preview-img {
    width: auto;
    max-height: 80vh;
    max-width: 100%;
    object-fit: contain;
    margin: 0;
    border-radius: 0;
  }
  
  .kb-article-body .kb-image-wrapper[data-align="center"] {
    margin-left: auto;
    margin-right: auto;
  }
  
  .kb-article-body .kb-image-wrapper[data-align="left"] {
    margin-left: 0;
    margin-right: auto;
  }
  
  .kb-article-body .kb-image-wrapper[data-align="right"] {
    margin-left: auto;
    margin-right: 0;
  }
  
  .kb-article-body .kb-image {
    display: block;
    width: 100%;
    margin: 0;
    overflow: hidden;
    border-radius: 4px;
  }
  
  .kb-article-body .ProseMirror figure {
    margin: 1.5rem 0;
  }
  
  .kb-article-body .ProseMirror figcaption {
    margin-top: 6px;
    font-size: 14px;
    color: var(--neutral-500);
  }
  
  .kb-article-body .ProseMirror iframe,
  .kb-article-body .ProseMirror video,
  .kb-article-body .kb-video {
    margin-block: 1.5rem;
    width: 100%;
    border-radius: 4px;
  }
  
  .kb-article-body .ProseMirror iframe,
  .kb-article-body iframe.kb-video {
    aspect-ratio: 16 / 9;
    background-color: black;
  }
  
  .kb-article-body .ProseMirror ol {
    list-style-type: decimal;
    margin: 0.75rem 0;
    padding: 0 2rem;
  }
  
  .kb-article-body .ProseMirror ul {
    list-style-type: disc;
    margin: 0.75rem 0;
    padding: 0 2rem;
  }
  
  .kb-article-body .ProseMirror ul li,
  .kb-article-body .ProseMirror ol li {
    margin-top: 0;
    margin-bottom: 0.5rem;
  }
  
  .kb-article-body .ProseMirror li ol {
    list-style-type: lower-alpha;
  }
  
  .kb-article-body .ProseMirror li li ol {
    list-style-type: lower-roman;
  }
  
  .kb-article-body .ProseMirror li ul {
    list-style-type: circle;
  }
  
  .kb-article-body .ProseMirror li li ul {
    list-style-type: square;
  }
  
  .kb-article-body .ProseMirror code {
    border-radius: 4px;
    border: 1px solid var(--neutral-200);
    font-size: 14px;
    background-color: var(--neutral-100);
    color: #dc2626;
    padding: 1px 3px;
  }
  
  .kb-article-body .ProseMirror pre {
    overflow-x: auto;
    white-space: pre;
    border-radius: 4px;
    background-color: var(--neutral-100);
    border: 1px solid var(--neutral-200);
    font-size: 12px;
    line-height: 1.5;
    margin-block: 0.75rem;
    padding: 0.5rem;
  }
  
  .kb-article-body .ProseMirror .in-group pre {
    margin-top: 0;
    margin-bottom: 0;
  }
  
  .kb-article-body .ProseMirror .with-tabs pre {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-top: 0;
  }
  
  .kb-article-body .ProseMirror .with-line-numbers pre {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 0;
  }
  
  .kb-article-body .ProseMirror pre code {
    border: none;
    background: inherit;
    padding: 0;
    font-size: 12px;
    color: inherit;
    box-shadow: none;
  }
  
  .kb-article-body .ProseMirror > .react-renderer {
    margin: 2rem 0;
  }
  
  .kb-article-body .ProseMirror > .react-renderer:first-child {
    margin-top: 0;
  }
  
  /* Code block group */
  
  .kb-article-body .ProseMirror > .react-renderer.node-codeBlockGroup {
    margin: 0.75rem 0;
  }
  
  .kb-article-body .ProseMirror .code-block-group {
    position: relative;
  }
  
  .kb-article-body .ProseMirror .code-block-group .hidden {
    display: none !important;
  }
  
  .kb-article-body .ProseMirror .code-block-group pre[data-hidden="true"] {
    display: none !important;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="flex"][class*="rounded-t"] {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    overflow: hidden;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    border: 1px solid var(--neutral-200);
    border-bottom: none;
    background-color: var(--neutral-200);
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="flex"][class*="rounded-t"]
    button {
    padding: 6px 12px;
    font-size: 14px;
    color: var(--neutral-600);
    background: none;
    border: none;
    cursor: pointer;
    min-height: 36px;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="flex"][class*="rounded-t"]
    button:hover {
    background-color: #d1d5db;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="flex"][class*="rounded-t"]
    button[class*="bg-gray-50"] {
    background-color: var(--neutral-100);
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="flex"][class*="rounded-t"]
    button[class*="bg-gray-50"]:hover {
    background-color: var(--neutral-100);
  }
  
  .kb-article-body .ProseMirror .code-block-group > div[class*="grid"] {
    display: grid;
  }
  
  .kb-article-body .ProseMirror .code-block-group > div[class*="grid-cols"] {
    grid-template-columns: min-content 1fr;
  }
  
  .kb-article-body .ProseMirror .code-block-group pre:has(> code[aria-hidden]) {
    position: relative;
    width: min-content;
    white-space: pre-wrap !important;
    display: flex;
    overflow: hidden;
    margin-top: 0;
    margin-bottom: 0;
    border-right: none;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    line-height: 1.5;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group:has(> div[class*="rounded-t"])
    pre:has(> code[aria-hidden]) {
    border-top: 0;
    border-top-left-radius: 0;
  }
  
  .kb-article-body .ProseMirror .code-block-group pre > code[aria-hidden] {
    visibility: hidden;
  }
  
  .kb-article-body .ProseMirror .code-block-group pre > code[aria-hidden] + code {
    position: absolute;
    display: block;
    height: 100%;
    color: var(--neutral-500);
    line-height: inherit;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="grid"]
    > div[class*="relative"] {
    position: relative;
    min-width: 0;
  }
  
  .kb-article-body
    .ProseMirror
    .code-block-group
    > div[class*="grid"]
    > div[class*="relative"]
    > div[class*="absolute"] {
    position: absolute;
    top: 50%;
    right: 8px;
    z-index: 10;
    transform: translateY(-50%);
  }
  
  /* Tooltip (rendered as a portal outside .kb-article-body) */
  
  .nexus-tooltip__content {
    border-radius: 4px;
    padding: 6px 8px;
    font-size: 12px;
    font-family: var(--body-font-family);
    font-weight: normal;
    color: white;
    background: rgba(28, 29, 47);
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.12);
    word-break: break-word;
    white-space: pre-wrap;
    max-width: 230px;
  }
  
  /* Code block copy button */
  
  .kb-article-body .ProseMirror .code-block-group .button {
    --tertiary-alt-color: var(--neutral-800);
    --tertiary-alt-icon-color: var(--neutral-500);
    --tertiary-alt-hover-bg: var(--neutral-200);
    --tertiary-alt-active-bg: rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    outline: none;
    color: var(--tertiary-alt-color);
  }
  
  .kb-article-body .ProseMirror .code-block-group .button:hover {
    background-color: var(--tertiary-alt-hover-bg);
  }
  
  .kb-article-body .ProseMirror .code-block-group .button svg {
    width: 14px;
    height: 14px;
    color: var(--tertiary-alt-icon-color);
  }
  
  .kb-article-body .ProseMirror .code-block-group .button.button--sm {
    height: 1.5rem;
    font-size: 12px;
    padding: 3px;
  }
  
  .kb-article-body .ProseMirror .code-block-group .button.button--icon {
    min-width: auto;
    aspect-ratio: 1 / 1;
  }
  
  /* Syntax highlighting (lowlight / highlight.js) */
  
  .kb-article-body .hljs {
    color: #383a42;
  }
  
  .kb-article-body .hljs-comment,
  .kb-article-body .hljs-quote {
    color: #a0a1a7;
    font-style: italic;
  }
  
  .kb-article-body .hljs-doctag,
  .kb-article-body .hljs-keyword,
  .kb-article-body .hljs-formula {
    color: #a626a4;
  }
  
  .kb-article-body .hljs-section,
  .kb-article-body .hljs-name,
  .kb-article-body .hljs-selector-tag,
  .kb-article-body .hljs-deletion,
  .kb-article-body .hljs-subst {
    color: #e45649;
  }
  
  .kb-article-body .hljs-literal {
    color: #0184bb;
  }
  
  .kb-article-body .hljs-string,
  .kb-article-body .hljs-regexp,
  .kb-article-body .hljs-addition,
  .kb-article-body .hljs-attribute,
  .kb-article-body .hljs-meta .hljs-string {
    color: #50a14f;
  }
  
  .kb-article-body .hljs-attr,
  .kb-article-body .hljs-variable,
  .kb-article-body .hljs-template-variable,
  .kb-article-body .hljs-type,
  .kb-article-body .hljs-selector-class,
  .kb-article-body .hljs-selector-attr,
  .kb-article-body .hljs-selector-pseudo,
  .kb-article-body .hljs-number {
    color: #986801;
  }
  
  .kb-article-body .hljs-symbol,
  .kb-article-body .hljs-bullet,
  .kb-article-body .hljs-link,
  .kb-article-body .hljs-meta,
  .kb-article-body .hljs-selector-id,
  .kb-article-body .hljs-title {
    color: #4078f2;
  }
  
  .kb-article-body .hljs-built_in,
  .kb-article-body .hljs-title.class_,
  .kb-article-body .hljs-class .hljs-title {
    color: #c18401;
  }
  
  .kb-article-body .hljs-emphasis {
    font-style: italic;
  }
  
  .kb-article-body .hljs-strong {
    font-weight: bold;
  }
  
  .kb-article-body .hljs-link {
    text-decoration: underline;
  }
  
  .kb-article-body .hljs-punctuation {
    color: #383a42;
  }
  
  .kb-article-body .ProseMirror > .react-renderer.node-fileBlock {
    margin: 0.5rem 0;
  }
  
  .kb-article-body .ProseMirror .node-fileBlock a,
  .kb-article-body-placeholder div[data-type="file-block"] a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    max-width: 100%;
    color: var(--text-link-color, var(--primaryColor));
    text-decoration: none;
  }
  
  .kb-article-body .ProseMirror .node-fileBlock a:hover,
  .kb-article-body-placeholder div[data-type="file-block"] a:hover {
    text-decoration: underline;
  }
  
  .kb-article-body .ProseMirror .node-fileBlock a::before,
  .kb-article-body-placeholder div[data-type="file-block"] a::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    background-color: currentColor;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 22H4C3.44772 22 3 21.5523 3 21V3C3 2.44772 3.44772 2 4 2H20C20.5523 2 21 2.44772 21 3V21C21 21.5523 20.5523 22 20 22ZM19 20V4H5V20H19ZM7 6H11V10H7V6ZM7 12H17V14H7V12ZM7 16H17V18H7V16ZM13 7H17V9H13V7Z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 22H4C3.44772 22 3 21.5523 3 21V3C3 2.44772 3.44772 2 4 2H20C20.5523 2 21 2.44772 21 3V21C21 21.5523 20.5523 22 20 22ZM19 20V4H5V20H19ZM7 6H11V10H7V6ZM7 12H17V14H7V12ZM7 16H17V18H7V16ZM13 7H17V9H13V7Z'/%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
  }
  
  .kb-article-body-placeholder div[data-type="file-block"] {
    margin: 0.5rem 0;
  }
  
  /* Callout */
  
  .kb-article-body .EditorCallout {
    display: flex;
    gap: 12px;
    border-radius: 8px;
    border: 1px solid var(--neutral-200);
    padding: 16px;
    background-color: var(--neutral-100);
    color: var(--neutral-700);
  }
  
  .kb-article-body .EditorCallout[data-color="blue"] {
    border-color: #bfdbfe;
    background-color: rgba(219, 234, 254, 0.7);
    color: #1e3a5f;
  }
  
  .kb-article-body .EditorCallout[data-color="red"] {
    border-color: #fecaca;
    background-color: rgba(254, 226, 226, 0.7);
    color: #7f1d1d;
  }
  
  .kb-article-body .EditorCallout[data-color="orange"] {
    border-color: #fed7aa;
    background-color: rgba(255, 237, 213, 0.7);
    color: #7c2d12;
  }
  
  .kb-article-body .EditorCallout[data-color="yellow"] {
    border-color: #fde68a;
    background-color: rgba(254, 249, 195, 0.3);
    color: #713f12;
  }
  
  .kb-article-body .EditorCallout[data-color="green"] {
    border-color: #bbf7d0;
    background-color: rgba(220, 252, 231, 0.5);
    color: #14532d;
  }
  
  .kb-article-body .EditorCallout[data-color="indigo"] {
    border-color: #c7d2fe;
    background-color: rgba(224, 231, 255, 0.7);
    color: #312e81;
  }
  
  .kb-article-body .EditorCallout[data-color="purple"] {
    border-color: #e9d5ff;
    background-color: rgba(243, 232, 255, 0.7);
    color: #581c87;
  }
  
  .kb-article-body .EditorCallout[data-color] .EditorCallout-content p,
  .kb-article-body .EditorCallout[data-color] .EditorCallout-content blockquote,
  .kb-article-body .EditorCallout[data-color] .EditorCallout-content li {
    color: inherit;
  }
  
  .kb-article-body .EditorCallout-icon {
    flex-shrink: 0;
    margin-top: 3px;
    display: flex;
    align-items: flex-start;
    width: 18px;
    height: 18px;
  }
  
  .kb-article-body .EditorCallout-icon svg {
    width: 18px;
    height: 18px;
  }
  
  .kb-article-body .EditorCallout-content {
    min-width: 0;
    flex: 1;
  }
  
  /* Callout SSR placeholder (before islands hydrate, renderHTML output has no .EditorCallout class).
     Scoped to .kb-article-body-placeholder so it does not style the TipTap NodeViewWrapper after hydration. */
  
  .kb-article-body-placeholder div[data-type="callout"] {
    border-radius: 8px;
    border: 1px solid var(--neutral-200);
    padding: 16px;
    background-color: var(--neutral-100);
    color: var(--neutral-700);
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="blue"] {
    border-color: #bfdbfe;
    background-color: rgba(219, 234, 254, 0.7);
    color: #1e3a5f;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="red"] {
    border-color: #fecaca;
    background-color: rgba(254, 226, 226, 0.7);
    color: #7f1d1d;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="orange"] {
    border-color: #fed7aa;
    background-color: rgba(255, 237, 213, 0.7);
    color: #7c2d12;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="yellow"] {
    border-color: #fde68a;
    background-color: rgba(254, 249, 195, 0.3);
    color: #713f12;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="green"] {
    border-color: #bbf7d0;
    background-color: rgba(220, 252, 231, 0.5);
    color: #14532d;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="indigo"] {
    border-color: #c7d2fe;
    background-color: rgba(224, 231, 255, 0.7);
    color: #312e81;
  }
  
  .kb-article-body-placeholder div[data-type="callout"][data-color="purple"] {
    border-color: #e9d5ff;
    background-color: rgba(243, 232, 255, 0.7);
    color: #581c87;
  }
  
  /* Internal Note */
  
  .kb-article-body .ProseMirror div[data-type="internalBlock"] {
    padding: 1rem;
    padding-top: 3rem;
    border-radius: 4px;
    position: relative;
    background-color: var(--blue-50);
  }
  
  .kb-article-body .ProseMirror div[data-type="internalBlock"]::before {
    content: "Internal Note";
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 0.875rem;
    color: var(--slate-400);
  }
  
  .kb-article-body-placeholder div[data-type="internalBlock"] {
    padding: 1rem;
    padding-top: 3rem;
    border-radius: 4px;
    position: relative;
    background-color: var(--blue-50);
  }
  
  .kb-article-body-placeholder div[data-type="internalBlock"]::before {
    content: "Internal Note";
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 0.875rem;
    color: var(--slate-400);
  }
  
  /* Blockquote */
  
  .kb-article-body .ProseMirror blockquote[data-type="blockquote"] {
    border-left: 4px solid var(--neutral-200);
    padding: 8px 16px;
    margin-block: 0.75rem;
  }
  
  /* Horizontal rule */
  
  .kb-article-body .ProseMirror [data-type="horizontalRule"] {
    margin: 0.5rem 0;
    padding: 0.5rem 0;
  }
  
  .kb-article-body .ProseMirror [data-type="horizontalRule"] hr {
    border: none;
    border-top: 1px solid var(--neutral-200);
  }
  
  /* Table */
  
  .kb-article-body .ProseMirror .tableWrapper {
    margin-block: 2rem;
    max-width: 640px;
    overflow-x: auto;
  }
  
  .kb-article-body .ProseMirror table {
    width: 100%;
    max-width: none;
    border-collapse: collapse;
    border-radius: 4px;
    word-break: break-word;
  }
  
  .kb-article-body .ProseMirror table td,
  .kb-article-body .ProseMirror table th {
    min-width: 100px;
    padding: 8px;
    text-align: left;
    vertical-align: top;
    border: 1px solid var(--neutral-200);
  }
  
  .kb-article-body .ProseMirror table td p,
  .kb-article-body .ProseMirror table th p {
    margin: 0;
  }
  
  .kb-article-body .ProseMirror table th {
    font-weight: 600;
  }
  
  /* Emoji */
  
  .kb-article-body .ProseMirror span[data-type="emoji"] {
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  }
  
  .kb-article-body .ProseMirror span[data-type="emoji"] > img {
    display: inline;
    width: 1em;
    vertical-align: text-top;
  }
  
  /* Relative link (cross-reference to another article) */
  
  .kb-article-body .ProseMirror a.relative-link > * {
    display: inline-flex;
    vertical-align: -0.15em;
    margin-right: 8px;
  }
  
  .kb-article-body .ProseMirror a.relative-link svg {
    width: 1em;
    height: 1em;
  }
  
  /* Accordion (post-hydration NodeView) */
  
  /* Accordion list inherits margin from the generic .react-renderer rule (margin: 2rem 0). */
  
  .kb-article-body .ProseMirror .node-accordion_list > [data-node-view-wrapper] {
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    overflow: hidden;
  }
  
  .kb-article-body .ProseMirror .pylon-rte-accordion {
    display: grid;
    grid-template-columns: min-content 1fr;
    align-items: center;
    border-top: 1px solid var(--neutral-200);
    padding: 12px;
  }
  
  .kb-article-body .ProseMirror .pylon-rte-accordion:first-child {
    border-top: none;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    [data-type="accordion_details"] {
    display: none;
    grid-column: 2;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion[data-open="true"]
    [data-type="accordion_details"] {
    display: block;
  }
  
  .kb-article-body .ProseMirror .pylon-rte-accordion p {
    margin: 0;
  }
  
  .kb-article-body .ProseMirror .pylon-rte-accordion .node-accordion_summary {
    display: contents;
    font-weight: 500;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    .node-accordion_summary
    > div {
    display: contents;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    .node-accordion_summary
    button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-right: 4px;
    border-radius: 4px;
    border: none;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    .node-accordion_summary
    button:hover {
    background-color: var(--neutral-100);
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    .node-accordion_summary
    button
    > div {
    transition: 0.2s ease transform;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion
    .node-accordion_summary
    button
    svg {
    width: 16px;
    height: 16px;
  }
  
  .kb-article-body
    .ProseMirror
    .pylon-rte-accordion[data-open="true"]
    .node-accordion_summary
    button
    > div {
    transform: rotate(90deg);
  }
  
  /* Accordion SSR placeholder (renderHTML output, before islands hydrate) */
  
  .kb-article-body-placeholder div[data-type="accordion_list"] {
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    margin-block: 0.75rem;
  }
  
  .kb-article-body-placeholder div[data-type="accordion"] {
    border-top: 1px solid var(--neutral-200);
  }
  
  .kb-article-body-placeholder div[data-type="accordion"]:first-child {
    border-top: none;
  }
  
  .kb-article-body-placeholder div[data-type="accordion_summary"] {
    padding: 12px 16px;
    font-weight: 500;
  }
  
  .kb-article-body-placeholder div[data-type="accordion_details"] {
    display: none;
  }
  
  /* ProseMirror separator */
  
  .kb-article-body .ProseMirror .ProseMirror-separator {
    display: inline;
  }
  
  /* Article Sidebar */
  
  .kb-article-sidebar {
    position: sticky;
    top: 40px;
    align-self: flex-start;
    width: 300px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 24px;
  }
  
  @media (max-width: 768px) {
    .kb-article-sidebar {
      display: none;
    }
  }

  /* Table of Contents */
  
  .kb-toc-item {
    display: block;
    padding: 6px 0;
    border-left: 2px solid var(--neutral-200);
    font-size: 14px;
    color: var(--neutral-500);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s ease-in-out, border-color 0.2s ease-in-out;
    line-height: 1.4;
  }
  
  .kb-toc-item:hover {
    color: var(--neutral-800);
    border-left-color: var(--neutral-400);
  }
  
  .kb-toc-item.active {
    color: var(--neutral-900);
    border-left-color: var(--primaryColor);
  }
  
  /* Related Articles */
  
  .kb-related-articles {
    display: flex;
    flex-direction: column;
    background-color: var(--neutral-100);
    border-radius: 8px;
    padding: 18px 24px;
  }
  
  .kb-related-articles-title {
    font-family: var(--headlines-font-family);
    font-weight: 600;
    color: var(--neutral-900);
    line-height: 22px;
  }
  
  .kb-related-article-link {
    display: block;
    margin-top: 10px;
    font-size: 14px;
    color: var(--neutral-600);
    text-decoration: none;
    line-height: 1.4;
  }
  
  .kb-related-article-link:hover {
    color: var(--neutral-900);
    text-decoration: underline;
  }
  
  /* Related Issues */
  
  .kb-related-issues {
    background-color: var(--neutral-100);
    border-radius: 8px;
    padding: 16px 20px;
  }
  
  .kb-related-issues-details {
    display: flex;
    flex-direction: column;
  }
  
  .kb-related-issues-details summary {
    list-style: none;
  }
  
  .kb-related-issues-details summary::-webkit-details-marker {
    display: none;
  }
  
  .kb-related-issues-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
  }
  
  .kb-related-issues-title-row {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  
  .kb-related-issues-title {
    font-family: var(--headlines-font-family);
    font-weight: 500;
    color: var(--neutral-900);
  }
  
  .kb-related-issues-chevron {
    flex-shrink: 0;
    color: var(--neutral-900);
    transition: transform 0.2s ease;
    transform: rotate(-90deg);
  }
  
  .kb-related-issues-details[open] .kb-related-issues-chevron {
    transform: rotate(0deg);
  }
  
  .kb-related-issues-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--neutral-500);
    white-space: nowrap;
  }
  
  .kb-related-issues-badge svg {
    flex-shrink: 0;
  }
  
  .kb-related-issues-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0;
  }
  
  .kb-related-issue-card {
    display: flex;
    flex-direction: column;
    background: var(--neutral-base);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  }
  
  .kb-related-issue-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 6px;
  }
  
  .kb-related-issue-account-logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
  }
  
  .kb-related-issue-card-header-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
  }
  
  .kb-related-issue-card-title-row {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  
  .kb-related-issue-account-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--neutral-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .kb-related-issue-ticket-number {
    font-size: 12px;
    color: var(--neutral-500);
    flex-shrink: 0;
  }
  
  .kb-related-issue-requester {
    font-size: 12px;
    color: var(--neutral-600);
  }
  
  .kb-related-issue-body {
    font-size: 12px;
    color: var(--neutral-600);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    line-height: 1.4;
  }
  
  .kb-related-issue-subject {
    font-weight: 500;
  }
  
  .kb-related-issue-closed {
    font-size: 12px;
    color: var(--neutral-400);
    margin-top: auto;
    padding-top: 4px;
  }
  
  .kb-related-issues-view-all {
    font-size: 14px;
    color: var(--neutral-900);
    text-decoration: none;
    padding: 4px 0;
  }
  
  .kb-related-issues-view-all:hover {
    text-decoration: underline;
  }
  
  /* Article Tags */
  
  .kb-article-tags-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .kb-article-tags-title {
    font-family: var(--headlines-font-family);
    font-size: 18px;
    font-weight: 600;
    color: var(--neutral-900);
    line-height: 1.3;
  }
  
  .kb-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .kb-article-tag {
    --tag-hue: 0;
    --tag-color: oklch(25% 0.09 var(--tag-hue));
    --tag-background-color: oklch(97% 0.015 var(--tag-hue));
    --tag-border-color: oklch(95% 0.02 var(--tag-hue));
    --tag-hover-background-color: oklch(95% 0.02 var(--tag-hue));
    --tag-hover-border-color: oklch(88% 0.03 var(--tag-hue));
    background-color: var(--tag-background-color);
    border: 1px solid var(--tag-border-color);
    border-radius: 8px;
    box-sizing: border-box;
    color: var(--tag-color);
    display: block;
    font-size: 0.875rem;
    line-height: 1.25;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    padding: 3px 6px;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .kb-article-tag[data-color="red"] {
    --tag-hue: 0;
  }
  
  .kb-article-tag[data-color="orange"] {
    --tag-hue: 45;
  }
  
  .kb-article-tag[data-color="yellow"] {
    --tag-hue: 90;
  }
  
  .kb-article-tag[data-color="green"] {
    --tag-hue: 135;
  }
  
  .kb-article-tag[data-color="cyan"] {
    --tag-hue: 180;
  }
  
  .kb-article-tag[data-color="blue"] {
    --tag-hue: 225;
  }
  
  .kb-article-tag[data-color="purple"] {
    --tag-hue: 285;
  }
  
  .kb-article-tag[data-color="magenta"] {
    --tag-hue: 320;
  }
  
  .kb-article-tag[data-color="gray"] {
    --tag-color: var(--neutral-900);
    --tag-background-color: var(--neutral-100);
    --tag-border-color: var(--neutral-200);
    --tag-hover-background-color: var(--neutral-200);
    --tag-hover-border-color: var(--neutral-400);
  }
  
  .kb-article-tag[data-color="base"] {
    --tag-color: var(--neutral-900);
    --tag-background-color: var(--neutral-base);
    --tag-border-color: var(--neutral-200);
    --tag-hover-background-color: var(--neutral-100);
    --tag-hover-border-color: var(--neutral-400);
  }
  
  .kb-article-tag:hover {
    background-color: var(--tag-hover-background-color);
    border-color: var(--tag-hover-border-color);
  }
  
  /* Feedback */
  
  .kb-feedback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    padding: 24px;
    background: var(--neutral-100);
    border-radius: 8px;
  }
  
  .kb-feedback-title {
    font-size: 14px;
    color: var(--neutral-900);
    text-align: center;
  }
  
  .kb-feedback-scores {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
  }
  
  .kb-feedback-score {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 28px;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0;
    padding-top: 2px;
  }
  
  .kb-feedback-score:hover,
  .kb-feedback-score.selected {
    background: var(--neutral-200);
  }
  
  .kb-feedback-form {
    width: 100%;
    max-width: 400px;
    margin-top: 8px;
  }
  
  .kb-feedback-label {
    font-size: 13px;
    color: var(--neutral-600);
    margin-bottom: 4px;
  }
  
  .kb-feedback-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--neutral-200);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 56px;
    outline: none;
  }
  
  .kb-feedback-textarea:focus {
    border-color: var(--neutral-400);
  }
  
  .kb-feedback-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
  }
  
  .kb-feedback-submit {
    padding: 6px 16px;
    border-radius: 6px;
    border: none;
    font-size: 13px;
    font-weight: 500;
    color: white;
    background: var(--primaryColor);
    cursor: pointer;
  }
  
  .kb-feedback-submit:hover {
    opacity: 0.9;
  }
  
  .kb-feedback-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
  
  .kb-feedback-thanks {
    font-size: 14px;
    color: var(--neutral-900);
    text-align: center;
  }
  
  /* Not Found Page */
  
  .kb-not-found-content-wrapper {
    display: flex;
    width: 100%;
    flex: 1;
    justify-content: center;
    padding: 0 24px 24px 24px;
    background: var(--neutral-base);
  }
  
  .kb-not-found-content-wrapper #kb-search-results {
    margin-top: 24px;
  }
  
  .kb-not-found-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 64px;
  }
  
  .kb-not-found-title {
    font-family: var(--headlines-font-family);
    font-size: 30px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 16px;
  }
  
  .kb-not-found-description {
    font-size: 18px;
    color: var(--neutral-500);
  }
  
  /* Hide SSR article HTML visually; keep in DOM for crawlers/SEO. */
  
  .kb-article-body-placeholder {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  
  /* Skeleton shown while TipTap hydrates */
  
  .kb-article-body-skeleton {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
  }
  
  .kb-article-skeleton-line {
    height: 16px;
    width: 100%;
    background: var(--neutral-100);
    border-radius: 4px;
    animation: kb-pulse 2s ease-in-out infinite;
  }
  
  .kb-article-skeleton-line--lg {
    height: 20px;
    width: 60%;
  }
  
  .kb-article-skeleton-line--md {
    width: 80%;
  }
  
  .kb-article-skeleton-line--sm {
    width: 45%;
  }
  
  .kb-article-skeleton-gap {
    height: 8px;
  }
  
  /* Homepage content container */
  
  .kb-homepage-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 6px;
  }

  /* ==========================================================================
     LangChain branding extensions
     ========================================================================== */

  html.kb-theme-dark {
    --langchain-primary: var(--langchain-blue);
    --primaryColor: var(--langchain-blue);
    --neutral-base: #141414;
    --neutral-100: #1f1f1f;
    --neutral-200: #2e2e2e;
    --neutral-400: #737373;
    --neutral-500: #a3a3a3;
    --neutral-600: #d4d4d4;
    --neutral-700: #e5e5e5;
    --neutral-800: #f5f5f5;
    --neutral-900: #fafafa;
    --blue-50: #0f172a;
    --blue-100: #1e293b;
  }

  html.kb-theme-dark body {
    color: var(--neutral-900);
    background: var(--neutral-base);
  }

  html.kb-theme-dark .kb-header-mobile-nav {
    background: var(--neutral-100);
    border-color: var(--neutral-200);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  }

  html.kb-theme-dark .kb-header-mobile-link {
    color: var(--neutral-900);
  }

  html.kb-theme-dark .kb-header-mobile-link:hover {
    background-color: var(--neutral-200);
  }

  html.kb-theme-dark .kb-header-status-menu {
    background: var(--neutral-100);
    border-color: var(--neutral-200);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }

  html.kb-theme-dark .kb-header-status-menu-item:hover {
    background: var(--neutral-200);
  }

  html.kb-theme-dark .kb-logo-default {
    display: none;
  }

  html.kb-theme-dark .kb-logo-bright {
    display: block;
  }

  html.kb-theme-dark .kb-banner--light-text .kb-logo-default {
    display: none;
  }

  html.kb-theme-dark .kb-banner--light-text .kb-logo-bright {
    display: block;
  }

  html.kb-theme-dark .kb-banner[data-kb-state="searching"].kb-banner--light-text .kb-logo-default {
    display: none;
  }

  html.kb-theme-dark .kb-banner[data-kb-state="searching"].kb-banner--light-text .kb-logo-bright {
    display: block;
  }

  html.kb-theme-dark .kb-hero-grid-pattern {
    --kb-hero-grid-color: rgba(255, 255, 255, 0.12);
    opacity: 0.55;
  }

  html.kb-theme-dark .kb-hero-glow-lines {
    opacity: 1;
  }

  html.kb-theme-dark .kb-hero-gradient {
    opacity: 1;
  }

  html.kb-theme-dark .kb-banner--light-text,
  html.kb-theme-dark .kb-banner--light-text .kb-banner-title,
  html.kb-theme-dark .kb-banner--light-text .kb-banner-title-text {
    color: #ffffff;
  }

  html.kb-theme-dark .kb-banner--light-text .kb-banner-subtitle {
    color: rgba(255, 255, 255, 0.78);
  }

  html.kb-theme-dark .kb-banner--light-text .kb-auth-button {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
  }

  html.kb-theme-dark .kb-banner--light-text .kb-auth-button:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  html.kb-theme-dark .kb-related-articles,
  html.kb-theme-dark .kb-section-articles {
    background-color: var(--neutral-100);
  }

  html.kb-theme-dark .kb-article-pagination-link {
    background: var(--neutral-100);
    border-color: var(--neutral-200);
  }

  html.kb-theme-dark .kb-article-pagination-link:hover {
    background: var(--neutral-200);
  }

  html.kb-theme-dark .kb-code-copy-button {
    background: var(--neutral-200);
    border-color: var(--neutral-400);
    color: var(--neutral-800);
  }

  html.kb-theme-dark .kb-code-copy-button:hover {
    background: var(--neutral-400);
    color: var(--neutral-900);
  }

  /* Inner-page sticky header */
  .kb-page-layout--inner .kb-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 24px;
    background: color-mix(in srgb, var(--neutral-base) 82%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--neutral-200);
  }

  .kb-page-layout--inner .kb-header-inner {
    max-width: 1152px;
  }

  .kb-content--wide {
    max-width: 1152px;
  }

  /* Header: center nav + utilities */
  .kb-header-inner {
    position: relative;
  }

  .kb-header-nav-center {
    display: none;
    align-items: center;
    gap: 2px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  @media (min-width: 768px) {
    .kb-header-nav-center {
      display: flex;
    }
  }

  .kb-header-link--center {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--neutral-600);
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    border-radius: 6px;
    transition: color 0.15s ease;
  }

  .kb-header-link--center:hover {
    color: var(--neutral-900);
    opacity: 1;
  }

  .kb-banner--light-text .kb-header-link--center,
  .kb-banner--light-text .kb-header-status-toggle {
    color: rgba(255, 255, 255, 0.82);
  }

  .kb-banner--light-text .kb-header-link--center:hover,
  .kb-banner--light-text .kb-header-status-toggle:hover {
    color: #fff;
  }

  .kb-banner[data-kb-state="searching"] .kb-header-link--center,
  .kb-banner[data-kb-state="searching"] .kb-header-status-toggle {
    color: var(--neutral-600);
  }

  .kb-banner[data-kb-state="searching"] .kb-header-link--center:hover,
  .kb-banner[data-kb-state="searching"] .kb-header-status-toggle:hover {
    color: var(--neutral-900);
  }

  .kb-header-status {
    position: relative;
  }

  .kb-header-status-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  .kb-header-status-chevron {
    transition: transform 0.2s ease;
  }

  .kb-header-status-toggle[aria-expanded="true"] .kb-header-status-chevron {
    transform: rotate(180deg);
  }

  .kb-header-status-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 128px;
    background: var(--neutral-base);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    padding: 4px 0;
    z-index: 60;
  }

  .kb-header-status-menu--open {
    display: block;
  }

  .kb-header-status-menu-item {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--neutral-800);
    transition: background-color 0.15s ease;
  }

  .kb-header-status-menu-item:hover {
    background: var(--neutral-100);
    color: var(--neutral-900);
  }

  .kb-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--neutral-600);
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease;
    flex-shrink: 0;
  }

  .kb-theme-toggle:hover {
    color: var(--neutral-900);
    background: color-mix(in srgb, var(--neutral-200) 60%, transparent);
  }

  .kb-banner--light-text .kb-theme-toggle {
    color: rgba(255, 255, 255, 0.82);
  }

  .kb-banner--light-text .kb-theme-toggle:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
  }

  .kb-banner[data-kb-state="searching"] .kb-theme-toggle {
    color: var(--neutral-600);
  }

  .kb-header-ask-ai {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--primaryColor) 25%, transparent);
    background: color-mix(in srgb, var(--primaryColor) 10%, transparent);
    color: var(--neutral-800);
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    flex-shrink: 0;
  }

  .kb-header-ask-ai:hover {
    background: color-mix(in srgb, var(--primaryColor) 15%, transparent);
    border-color: color-mix(in srgb, var(--primaryColor) 35%, transparent);
    color: var(--neutral-900);
    opacity: 1;
  }

  .kb-header-ask-ai svg {
    color: var(--primaryColor);
    flex-shrink: 0;
  }

  @media (max-width: 640px) {
    .kb-header-ask-ai-label {
      display: none;
    }

    .kb-header-ask-ai {
      padding: 6px 8px;
    }
  }

  .kb-banner--light-text .kb-header-ask-ai {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.1);
  }

  .kb-banner--light-text .kb-header-ask-ai svg {
    color: rgba(255, 255, 255, 0.85);
  }

  .kb-banner[data-kb-state="searching"] .kb-header-ask-ai {
    color: var(--neutral-800);
    border-color: color-mix(in srgb, var(--primaryColor) 25%, transparent);
    background: color-mix(in srgb, var(--primaryColor) 10%, transparent);
  }

  /* Homepage hero: animated grid */
  .kb-banner {
    overflow: hidden;
  }

  .kb-hero-grid-pattern {
    position: absolute;
    inset: 0;
    --kb-hero-grid-color: var(--neutral-200);
    --kb-hero-grid-size: 40px;
    background-image:
      linear-gradient(to right, var(--kb-hero-grid-color) 1px, transparent 1px),
      linear-gradient(to bottom, var(--kb-hero-grid-color) 1px, transparent 1px);
    background-size: var(--kb-hero-grid-size) var(--kb-hero-grid-size);
    opacity: 0;
    mask-image: radial-gradient(ellipse 80% 160% at 50% 0%, black 35%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse 80% 160% at 50% 0%, black 35%, transparent 65%);
    transition: opacity 300ms ease;
  }

  .kb-hero-glow-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    mask-image: radial-gradient(ellipse 80% 160% at 50% 0%, black 35%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse 80% 160% at 50% 0%, black 35%, transparent 65%);
    transition: opacity 300ms ease;
  }

  .kb-hero-glow-line {
    position: absolute;
    pointer-events: none;
  }

  .kb-hero-glow-line--horizontal {
    height: 1px;
    width: 150px;
    background: linear-gradient(
      90deg,
      transparent 0%,
      color-mix(in srgb, var(--primaryColor) 60%, transparent) 50%,
      transparent 100%
    );
    animation: kb-hero-glow-horizontal 8s linear infinite;
  }

  .kb-hero-glow-line--horizontal.kb-hero-glow-line--reverse {
    animation-name: kb-hero-glow-horizontal-reverse;
  }

  .kb-hero-glow-line--vertical {
    width: 1px;
    height: 150px;
    background: linear-gradient(
      180deg,
      transparent 0%,
      color-mix(in srgb, var(--primaryColor) 60%, transparent) 50%,
      transparent 100%
    );
    animation: kb-hero-glow-vertical 10s linear infinite;
  }

  @keyframes kb-hero-glow-horizontal {
    0% { left: -150px; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
  }

  @keyframes kb-hero-glow-horizontal-reverse {
    0% { right: -150px; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { right: 100%; opacity: 0; }
  }

  @keyframes kb-hero-glow-vertical {
    0% { top: -150px; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
  }

  .kb-hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(
      ellipse 80% 50% at 50% -20%,
      color-mix(in srgb, var(--primaryColor) 8%, transparent) 0%,
      transparent 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 300ms ease;
  }

  html.kb-theme-light .kb-hero-grid-pattern,
  html.kb-theme-light .kb-hero-glow-lines,
  html.kb-theme-light .kb-hero-gradient {
    opacity: 0;
  }

  .kb-banner-subtitle {
    max-width: 36rem;
    margin: 0 0 20px;
    text-align: center;
    font-size: 18px;
    line-height: 1.5;
    color: var(--neutral-600);
    opacity: 1;
    transition: opacity 500ms ease-in-out, height 500ms ease-in-out, margin 500ms ease-in-out;
  }

  .kb-banner--light-text .kb-banner-subtitle {
    color: rgba(255, 255, 255, 0.78);
  }

  .kb-banner[data-kb-state="searching"] .kb-banner-subtitle {
    height: 0;
    margin: 0;
    opacity: 0;
    overflow: hidden;
  }

  .kb-banner-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 700;
    height: auto;
    letter-spacing: -0.02em;
  }

  .kb-banner-title-text {
    line-height: 1.1;
    white-space: normal;
  }

  /* Homepage sections */
  .kb-homepage-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--neutral-200);
  }

  .kb-homepage-section-title {
    font-family: var(--headlines-font-family);
    font-size: 20px;
    font-weight: 600;
    color: var(--neutral-900);
  }

  .kb-collections-grid--homepage {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  @media (min-width: 768px) {
    .kb-collections-grid--homepage {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (min-width: 1024px) {
    .kb-collections-grid--homepage {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }

  .kb-collection-card--homepage {
    min-height: 120px;
    padding: 12px 16px 16px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
  }

  .kb-collection-card--homepage:hover {
    box-shadow: none;
    border-color: color-mix(in srgb, var(--neutral-900) 20%, transparent);
    background: color-mix(in srgb, var(--neutral-100) 50%, transparent);
  }

  .kb-collection-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .kb-collection-card--homepage .kb-collection-card-icon {
    margin-bottom: 0;
    height: 18px;
    color: var(--neutral-500);
  }

  .kb-collection-card--homepage .kb-collection-card-icon svg,
  .kb-collection-card--homepage .kb-collection-card-icon .kb-collection-custom-icon {
    width: 18px;
    height: 18px;
  }

  .kb-collection-card--homepage .kb-collection-card-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
  }

  .kb-collection-card--homepage .kb-collection-card-count {
    margin-top: 0;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--neutral-500);
  }

  .kb-collection-card--homepage .kb-collection-card-description {
    height: auto;
    max-height: 2.5rem;
    color: var(--neutral-500);
    -webkit-line-clamp: 2;
  }

  /* Footer static links */
  .kb-footer-static-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px 24px;
    padding: 8px 0 0;
    font-size: 14px;
  }

  .kb-footer-static-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--neutral-500);
    transition: color 0.2s ease;
  }

  .kb-footer-static-link:hover {
    color: var(--neutral-800);
  }

  .kb-footer-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neutral-500);
    flex-shrink: 0;
  }

  /* Article pagination */
  .kb-article-pagination {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--neutral-200);
  }

  @media (max-width: 640px) {
    .kb-article-pagination {
      grid-template-columns: 1fr;
    }
  }

  .kb-article-pagination-spacer {
    display: block;
  }

  .kb-article-pagination-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    background: var(--neutral-base);
    transition: border-color 0.2s ease, background-color 0.2s ease;
  }

  .kb-article-pagination-link:hover {
    border-color: color-mix(in srgb, var(--neutral-900) 20%, transparent);
    background: var(--neutral-100);
  }

  .kb-article-pagination-link--next {
    text-align: right;
    grid-column: 2;
  }

  @media (max-width: 640px) {
    .kb-article-pagination-link--next {
      grid-column: 1;
      text-align: left;
    }
  }

  .kb-article-pagination-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--neutral-500);
  }

  .kb-article-pagination-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--neutral-900);
    line-height: 1.4;
  }

  /* Section articles sidebar */
  .kb-section-articles {
    display: flex;
    flex-direction: column;
    background-color: var(--neutral-100);
    border-radius: 8px;
    padding: 18px 24px;
    max-height: 320px;
    overflow-y: auto;
  }

  .kb-section-articles-title {
    font-family: var(--headlines-font-family);
    font-weight: 600;
    color: var(--neutral-900);
    line-height: 22px;
    margin-bottom: 4px;
  }

  .kb-section-article-link {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: var(--neutral-600);
    line-height: 1.4;
    transition: color 0.15s ease;
  }

  .kb-section-article-link:hover {
    color: var(--neutral-900);
    text-decoration: underline;
  }

  .kb-section-article-link--active {
    color: var(--primaryColor);
    font-weight: 500;
  }

  .kb-article-sidebar:not(:has(.kb-toc-item, .kb-section-articles, .kb-related-articles, .kb-related-issues, .kb-article-tags-section)) {
    display: none;
  }

  /* Code copy buttons */
  .kb-article-body pre,
  #kb-article-body pre {
    position: relative;
  }

  .kb-code-copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid var(--neutral-200);
    border-radius: 6px;
    background: var(--neutral-100);
    color: var(--neutral-700);
    font-size: 12px;
    font-family: var(--body-font-family);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, background-color 0.15s ease, color 0.15s ease;
    z-index: 2;
  }

  pre:hover .kb-code-copy-button,
  .kb-code-copy-button:focus-visible,
  .kb-code-copy-button--copied {
    opacity: 1;
  }

  .kb-code-copy-button:hover {
    background: var(--neutral-200);
    color: var(--neutral-900);
  }

  .kb-code-copy-button--copied {
    color: var(--primaryColor);
    border-color: color-mix(in srgb, var(--primaryColor) 35%, transparent);
  }