/*
      Documentation hub — self-contained tokens (manual.css only).
    */
    :root {
      /* MissionOS brand palette */
      --btn-primary: #1a3a5c;
      --btn-primary-hover: #163245;
      --btn-text: #ffffff;
      --mos-blaze-orange: #FD5902;
      --mos-blaze-dark: #D14F02;
      --mos-ivory: #FCF9E8;
      --mos-white: #FFFFFF;
      --mos-light-blue: #AACFDF;
      --mos-dark-teal: #075056;
      --dh-bg: var(--mos-white);
      --dh-surface: var(--mos-white);
      --dh-elevated: #f4f5f8;
      --dh-link: var(--mos-blaze-orange);
      --dh-link-hover: var(--mos-blaze-dark);
      --dh-text: #2d3143;
      --dh-muted: #6a6f83;
      --dh-border: #e2e4ee;
      --dh-border-strong: #d2d5e0;
      --dh-accent: var(--mos-blaze-orange);
      --dh-navy: var(--btn-primary);
      --ds-chevron-down: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236a6f83' d='M0 0h10L5 6z'/%3E%3C/svg%3E");
      --dh-sidebar-w: 260px;
      --dh-topbar-h: 56px;
      --dh-doc-toolbar-h: 48px;
      --dh-gutter: clamp(20px, 4vw, 40px);
      --dh-radius: 10px;
      --dh-space-section: var(--space-section, clamp(2rem, 5vw, 2.75rem));
      --dh-space-stack: var(--s8, 0.75rem);
      --dh-space-after-lede: var(--space-field, 1.25rem);
      --dh-space-grid: var(--space-block, 20px);
      --dh-shadow: 0 1px 0 rgba(45, 49, 67, 0.06), 0 4px 20px rgba(45, 49, 67, 0.06);
      --dh-shadow-card: 0 4px 24px rgba(26, 58, 92, 0.08);
      --dh-content-max: 72rem;
      --dh-font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      --dh-font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
      --dh-text-base: 1rem;
      --dh-text-sm: 0.875rem;
      --dh-text-xs: 0.8125rem;
      --dh-leading-tight: 1.22;
      --dh-leading-snug: 1.35;
      --dh-leading-normal: 1.5;
      --dh-leading-relaxed: 1.625;
      --dh-prose-max: 65ch;
      /* Motion — standard easing (Material / WCAG-friendly durations) */
      --dh-ease-out: cubic-bezier(0.4, 0, 0.2, 1);
      --dh-duration: 150ms;
      --dh-duration-slow: 220ms;
      --dh-shadow-hover: 0 6px 20px rgba(26, 58, 92, 0.09);
    }

    *, *::before, *::after { box-sizing: border-box; }

    html {
      min-height: 100%;
      background: #ffffff;
      color-scheme: light;
      font-size: 100%;
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
    }

    body {
      margin: 0;
      font-family: var(--dh-font-sans);
      font-size: var(--dh-text-base);
      line-height: var(--dh-leading-relaxed);
      font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
      font-optical-sizing: auto;
      font-synthesis: none;
      color: var(--dh-text);
      background: #ffffff;
      min-height: 100vh;
      -webkit-tap-highlight-color: transparent;
    }

    /* Hub + article links (index product cards, lede, footer, etc.) */
    .dh-page a:not(.dh-video-card):not(.dh-topbar__logo-link):not(.dh-toolbtn) {
      color: var(--dh-link);
      font-weight: 500;
      text-decoration: none;
      transition: color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-page a:not(.dh-video-card):not(.dh-topbar__logo-link):not(.dh-toolbtn):hover {
      color: var(--dh-link-hover);
    }
    .dh-page a:not(.dh-video-card):not(.dh-topbar__logo-link):not(.dh-toolbtn):focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 2px;
    }
    .dh-product__title-link {
      color: var(--dh-link);
      text-decoration: none;
    }
    .dh-product--clickable:hover .dh-product__title-link,
    .dh-product__title-link:hover {
      color: var(--dh-link-hover);
    }

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

    /* —— App shell —— */
    .dh-layout {
      display: flex;
      align-items: stretch;
      width: 100%;
      min-height: 100vh;
    }

    /* —— Sidebar —— */
    .dh-sidebar {
      width: var(--dh-sidebar-w);
      flex-shrink: 0;
      background: var(--dh-surface);
      border-right: 1px solid var(--dh-border);
      position: sticky;
      top: 0;
      align-self: stretch;
      min-height: 100vh;
      height: auto;
      overflow-y: auto;
      padding: 20px 0 32px;
    }
    .dh-sidebar__close {
      display: none;
      flex-shrink: 0;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      margin: 0;
      padding: 0;
      border: 0;
      border-radius: 10px;
      background: transparent;
      color: var(--dh-muted);
      cursor: pointer;
    }
    .dh-sidebar__close:hover {
      background: var(--dh-bg);
      color: var(--dh-text);
    }
    .dh-sidebar__close:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-nav-group {
      margin-top: 20px;
      padding: 0 12px;
    }
    .dh-nav-group--stack {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    /* Sidebar accordion (details/summary) */
    .dh-nav--accordion .dh-nav-details {
      margin: 0;
      padding: 0;
      border-radius: 10px;
    }
    .dh-nav--accordion .dh-nav-group__summary,
    .dh-nav--accordion .dh-nav-sub__summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      width: 100%;
      box-sizing: border-box;
      margin: 0;
      padding: 10px 10px 10px 12px;
      border-radius: 8px;
      font: inherit;
      font-size: var(--dh-text-sm);
      font-weight: 600;
      color: var(--dh-navy);
      background: transparent;
      transition: background-color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-nav--accordion .dh-nav-group__summary::-webkit-details-marker,
    .dh-nav--accordion .dh-nav-sub__summary::-webkit-details-marker {
      display: none;
    }
    .dh-nav--accordion .dh-nav-group__summary::marker,
    .dh-nav--accordion .dh-nav-sub__summary::marker {
      content: "";
    }
    .dh-nav--accordion .dh-nav-group__label {
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-nav--accordion .dh-nav-group__summary:hover {
      background: var(--dh-bg);
    }
    .dh-nav--accordion .dh-nav-group__summary:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-nav--accordion .dh-nav-group__summary::after {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: -3px;
      border-right: 2px solid var(--dh-muted);
      border-bottom: 2px solid var(--dh-muted);
      transform: rotate(45deg);
      transition: transform var(--dh-duration-slow) var(--dh-ease-out);
      flex-shrink: 0;
    }
    .dh-nav--accordion .dh-nav-details[open] > .dh-nav-group__summary::after {
      transform: rotate(225deg);
      margin-top: 3px;
    }
    .dh-nav--accordion .dh-nav-group__body {
      padding: 4px 0 8px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .dh-nav--accordion .dh-nav-details--nested {
      margin: 4px 0 6px;
      padding: 2px 0 4px;
      border-radius: 8px;
      border: 1px solid var(--dh-border);
      background: var(--dh-elevated);
    }
    .dh-nav--accordion .dh-nav-details--nested > .dh-nav-sub__summary {
      padding: 8px 10px;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      color: var(--dh-navy);
    }
    .dh-nav--accordion .dh-nav-sub__label {
      flex: 1;
      text-align: left;
    }
    .dh-nav--accordion .dh-nav-details--nested > .dh-nav-sub__summary::after {
      content: "";
      width: 6px;
      height: 6px;
      margin-top: -2px;
      border-right: 2px solid var(--dh-muted);
      border-bottom: 2px solid var(--dh-muted);
      transform: rotate(45deg);
      transition: transform var(--dh-duration-slow) var(--dh-ease-out);
      flex-shrink: 0;
      opacity: 0.85;
    }
    .dh-nav--accordion .dh-nav-details--nested[open] > .dh-nav-sub__summary::after {
      transform: rotate(225deg);
      margin-top: 2px;
    }
    .dh-nav--accordion .dh-nav-sub__body {
      padding: 0 6px 8px 10px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .dh-nav--accordion .dh-nav-sub__body a {
      padding-left: 14px;
      font-size: var(--dh-text-xs);
      font-weight: 500;
      color: var(--dh-muted);
    }
    .dh-nav--accordion .dh-nav-sub__body a:hover {
      color: var(--dh-text);
    }
    .dh-nav--accordion .dh-nav-details--current > .dh-nav-sub__summary .dh-nav-sub__label {
      color: var(--dh-accent);
    }

    .dh-nav a {
      display: block;
      padding: 8px 10px 8px 12px;
      border-radius: 8px;
      color: var(--dh-text);
      text-decoration: none;
      font-size: var(--dh-text-sm);
      font-weight: 500;
      line-height: var(--dh-leading-snug);
      transition: background-color var(--dh-duration) var(--dh-ease-out), color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-nav a:hover {
      background: var(--dh-bg);
    }
    .dh-nav a.dh-nav__active {
      background: color-mix(in srgb, var(--dh-accent) 12%, transparent);
      color: var(--dh-navy);
      font-weight: 600;
      box-shadow: inset 3px 0 0 var(--dh-accent);
}
    .dh-nav--accordion .dh-nav-sub__body a.dh-nav__active {
      color: var(--dh-navy);
      font-weight: 600;
      background: color-mix(in srgb, var(--dh-accent) 12%, transparent);
      box-shadow: inset 3px 0 0 var(--dh-accent);
    }

    @media (prefers-reduced-motion: reduce) {
      .dh-nav--accordion .dh-nav-group__summary::after,
      .dh-nav--accordion .dh-nav-details--nested > .dh-nav-sub__summary::after {
        transition: none;
      }
    }

    /* —— Main column —— */
    .dh-maincol {
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
      width: 100%;
      background: var(--dh-bg);
    }

    /* Inner docs: full-width header; sidebar + content below */
    body.dh-body--inner .dh-layout--inner-doc {
      flex-direction: column;
      padding-left: 0;
      min-height: 100vh;
    }
    body.dh-body--inner .dh-layout--inner-doc > .dh-sticky-header {
      flex-shrink: 0;
      width: 100%;
      position: sticky;
      top: 0;
      z-index: 50;
    }
    body.dh-body--inner .dh-layout__shell {
      display: flex;
      flex: 1 1 auto;
      min-height: calc(100vh - var(--dh-doc-chrome-h));
      height: auto;
      align-items: flex-start;
      width: 100%;
    }
    body.dh-body--inner .dh-layout__shell .dh-maincol {
      flex: 1 1 auto;
      min-width: 0;
      width: auto;
    }
    @media (min-width: 961px) {
      body.dh-body--inner .dh-layout__shell .dh-sidebar {
        position: sticky;
        top: var(--dh-doc-chrome-h);
        align-self: flex-start;
        width: var(--dh-sidebar-w);
        height: calc(100vh - var(--dh-doc-chrome-h));
        min-height: 0;
        max-height: calc(100vh - var(--dh-doc-chrome-h));
        z-index: 20;
        display: flex;
        flex-direction: column;
        padding: 0;
        overflow: hidden;
        background: var(--dh-surface);
        border-right: 1px solid var(--dh-border);
        box-shadow: none;
        transform: none;
      }
      body.dh-body--inner .dh-sidebar-toggle,
      body.dh-body--inner .dh-sidebar__close,
      body.dh-body--inner .dh-sidebar-scrim {
        display: none !important;
      }
      body.dh-body--inner .dh-layout__shell .dh-nav {
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 10px 0 12px;
        -webkit-overflow-scrolling: touch;
      }
      body.dh-body--inner.dh-sidebar-open .dh-layout__shell .dh-sidebar {
        transform: none;
        box-shadow: none;
      }
    }
    @media (max-width: 960px) {
      body.dh-body--inner .dh-layout__shell .dh-sidebar {
        position: fixed;
        top: var(--dh-doc-chrome-h);
        left: 0;
        bottom: 0;
        width: min(var(--dh-sidebar-w), min(85vw, 320px));
        height: auto;
        max-height: none;
        min-height: 0;
        z-index: 60;
        display: flex;
        flex-direction: column;
        padding: 20px 0 0;
        overflow: hidden;
        background: var(--dh-surface);
        border-right: 1px solid var(--dh-border);
        box-shadow: none;
        transform: translateX(-100%);
        transition: transform var(--dh-duration-slow) var(--dh-ease-out), box-shadow var(--dh-duration-slow) var(--dh-ease-out);
      }
      body.dh-body--inner.dh-sidebar-open .dh-layout__shell .dh-sidebar {
        transform: translateX(0);
        box-shadow: 8px 0 32px rgba(45, 49, 67, 0.15);
      }
      body.dh-body--inner .dh-sidebar-scrim {
        position: fixed;
        top: var(--dh-doc-chrome-h);
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 55;
        margin: 0;
        padding: 0;
        border: 0;
        background: rgba(28, 40, 49, 0.45);
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
      }
      body.dh-body--inner .dh-sidebar-scrim[hidden] {
        display: none !important;
      }
      body.dh-body--inner.dh-sidebar-open .dh-sidebar-scrim:not([hidden]) {
        display: block;
      }
      body.dh-body--inner .dh-sidebar__close {
        position: absolute;
        top: 12px;
        right: 12px;
        z-index: 2;
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      body.dh-body--inner .dh-layout__shell .dh-nav {
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        padding-top: 44px;
        padding-bottom: 12px;
        -webkit-overflow-scrolling: touch;
      }
      @media (prefers-reduced-motion: reduce) {
        body.dh-body--inner .dh-layout__shell .dh-sidebar {
          transition: none;
        }
      }
    }

    body.dh-body--inner .dh-doc-toolbar__inner {
      gap: 8px 12px;
    }

    /* Sticky header (top bar; inner pages add doc toolbar below) */
    .dh-sticky-header {
      flex-shrink: 0;
      position: sticky;
      top: 0;
      z-index: 40;
      background: var(--dh-surface);
      box-shadow: 0 1px 0 rgba(45, 49, 67, 0.08);
    }

    /* Top bar */
    .dh-topbar {
      height: var(--dh-topbar-h);
      flex-shrink: 0;
      width: 100%;
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 0 var(--dh-gutter);
      background: var(--dh-surface);
      border-bottom: 1px solid var(--dh-border);
    }
    .dh-topbar__lead {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      min-width: 0;
    }
    .dh-sidebar-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      margin: 0 -4px 0 0;
      padding: 0;
      border: 0;
      border-radius: 10px;
      background: transparent;
      color: var(--dh-navy);
      cursor: pointer;
    }
    .dh-sidebar-toggle:hover {
      background: var(--dh-bg);
    }
    .dh-sidebar-toggle:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    @media (max-width: 960px) {
      body.dh-body--inner .dh-sidebar-toggle {
        display: inline-flex;
      }
    }
    .dh-topbar__logo-link {
      display: flex;
      align-items: center;
      flex-shrink: 0;
      text-decoration: none;
      line-height: 0;
    }
    .dh-topbar__logo-link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 3px;
      border-radius: 6px;
    }
    .dh-topbar__logo-mos {
      height: 28px;
      width: auto;
      max-width: 160px;
      display: block;
    }
    .dh-topbar__end {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-shrink: 0;
      margin-left: auto;
    }
    .dh-topbar__logo-max {
      height: 32px;
      width: auto;
      display: block;
      opacity: 0.88;
    }
    .dh-topbar__title {
      flex-shrink: 0;
      font-size: var(--dh-text-sm);
      font-weight: 700;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
      white-space: nowrap;
    }
    .dh-topbar__nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-shrink: 0;
    }
    .dh-topbar__nav-link {
      display: inline-flex;
      align-items: center;
      padding: 6px 12px;
      border-radius: 8px;
      font-size: var(--dh-text-sm);
      font-weight: 600;
      line-height: var(--dh-leading-snug);
      color: var(--dh-muted);
      text-decoration: none;
      white-space: nowrap;
    }
    .dh-topbar__nav-link:hover {
      color: var(--dh-link);
      background: color-mix(in srgb, var(--dh-link) 10%, var(--dh-surface));
    }
    .dh-topbar__nav-link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-topbar__nav-link--active,
    .dh-topbar__nav-link[aria-current="page"] {
      color: var(--dh-link);
      background: color-mix(in srgb, var(--dh-link) 12%, var(--dh-surface));
    }
    .dh-search-wrap {
      flex: 1;
      max-width: 520px;
      margin: 0 auto;
    }
    .dh-search {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid var(--dh-border);
      border-radius: 10px;
      background: var(--dh-elevated);
      transition: border-color var(--dh-duration) var(--dh-ease-out), box-shadow var(--dh-duration) var(--dh-ease-out);
    }
    .dh-search:focus-within {
      border-color: color-mix(in srgb, var(--dh-accent) 45%, var(--dh-border));
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--dh-accent) 18%, transparent);
    }
    button.dh-search--trigger {
      width: 100%;
      margin: 0;
      font: inherit;
      color: inherit;
      cursor: pointer;
      text-align: left;
      appearance: none;
      -webkit-appearance: none;
    }
    button.dh-search--trigger::-moz-focus-inner {
      border: 0;
      padding: 0;
    }
    .dh-search--trigger:focus-visible {
      border-color: color-mix(in srgb, var(--dh-accent) 45%, var(--dh-border));
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--dh-accent) 18%, transparent);
      outline: 0;
    }
    .dh-search__placeholder {
      flex: 1;
      min-width: 0;
      font-size: var(--dh-text-sm);
      color: var(--dh-muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .dh-search input {
      flex: 1;
      border: 0;
      outline: 0;
      background: transparent;
      font: inherit;
      min-width: 0;
    }
    /* Search modal */
    .dh-search-overlay {
      position: fixed;
      inset: 0;
      z-index: 200;
      display: flex;
      align-items: flex-start;
      justify-content: center;
      padding: clamp(64px, 10vh, 100px) var(--dh-gutter) 24px;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.2s ease, visibility 0.2s ease;
    }
    .dh-search-overlay.is-open {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
    .dh-search-overlay__scrim {
      position: absolute;
      inset: 0;
      margin: 0;
      padding: 0;
      border: 0;
      cursor: pointer;
      background: rgba(28, 40, 49, 0.45);
    }
    .dh-search-overlay__panel {
      position: relative;
      z-index: 1;
      width: min(720px, 100%);
      border-radius: 16px;
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: 0 24px 80px rgba(26, 58, 92, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
      padding: 20px 20px 16px;
      transform: translateY(-8px) scale(0.98);
      opacity: 0;
      transition: transform 0.22s ease, opacity 0.22s ease;
    }
    .dh-search-overlay.is-open .dh-search-overlay__panel {
      transform: translateY(0) scale(1);
      opacity: 1;
    }
    .dh-search--expanded {
      padding: 14px 16px;
      border-radius: 12px;
      font-size: 1.05rem;
      gap: 12px;
      align-items: center;
    }
    .dh-search--expanded input {
      font-size: 1.05rem;
    }
    .dh-search--expanded svg {
      flex-shrink: 0;
    }
    .dh-search-overlay__panel .dh-search--expanded {
      padding-right: 52px;
      min-height: 3.25rem;
      box-sizing: border-box;
    }
    .dh-search-overlay__panel .dh-search--expanded svg {
      display: block;
      width: 22px;
      height: 22px;
      margin: 0;
      align-self: center;
    }
    .dh-search-overlay__panel .dh-search--expanded input[type="search"] {
      line-height: 1.45;
      padding: 0;
      margin: 0;
      height: auto;
      min-height: 0;
      align-self: center;
      -webkit-appearance: none;
      appearance: none;
    }
    .dh-search-overlay__panel .dh-search--expanded input[type="search"]::-webkit-search-decoration,
    .dh-search-overlay__panel .dh-search--expanded input[type="search"]::-webkit-search-cancel-button {
      -webkit-appearance: none;
      appearance: none;
    }
    .dh-search-overlay__close {
      position: absolute;
      top: 30px;
      right: 30px;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0;
      padding: 0;
      border: 0;
      border-radius: 10px;
      font: inherit;
      font-size: 1.35rem;
      line-height: 1;
      color: var(--dh-muted);
      background: transparent;
      cursor: pointer;
    }
    .dh-search-overlay__close:hover {
      background: var(--dh-bg);
      color: var(--dh-text);
    }
    .dh-search-overlay__hint {
      margin: 12px 4px 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-search-suggestions {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid var(--dh-border);
    }
    .dh-search-suggestions__label {
      margin: 0 4px 8px;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-search-suggestions__list {
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .dh-search-suggestions__option {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 2px;
      width: 100%;
      margin: 0;
      padding: 10px 12px;
      border: 0;
      border-radius: 10px;
      font: inherit;
      text-align: left;
      color: var(--dh-text);
      background: transparent;
      cursor: pointer;
    }
    .dh-search-suggestions__option:hover,
    .dh-search-suggestions__option.is-active {
      background: color-mix(in srgb, var(--dh-accent) 10%, var(--dh-bg));
    }
    .dh-search-suggestions__option:focus-visible {
      outline: 2px solid color-mix(in srgb, var(--dh-accent) 55%, transparent);
      outline-offset: 1px;
    }
    .dh-search-suggestions__title {
      font-size: var(--dh-text-sm);
      font-weight: 500;
      line-height: var(--dh-leading-snug);
    }
    .dh-search-suggestions__meta {
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }

    /* Request / generic modal (article “Submit a request”) */
    .dh-modal {
      position: fixed;
      inset: 0;
      z-index: 205;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--dh-gutter);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.2s ease, visibility 0.2s ease;
    }
    .dh-modal.is-open {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
    .dh-modal__scrim {
      position: absolute;
      inset: 0;
      margin: 0;
      padding: 0;
      border: 0;
      cursor: pointer;
      background: rgba(28, 40, 49, 0.45);
    }
    .dh-modal__panel {
      position: relative;
      z-index: 1;
      width: min(480px, 100%);
      max-height: min(90vh, 640px);
      overflow-y: auto;
      border-radius: 16px;
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: 0 24px 80px rgba(26, 58, 92, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
      padding: 22px 22px 18px;
      transform: translateY(8px) scale(0.98);
      opacity: 0;
      transition: transform 0.22s ease, opacity 0.22s ease;
    }
    .dh-modal.is-open .dh-modal__panel {
      transform: translateY(0) scale(1);
      opacity: 1;
    }
    .dh-modal__close {
      position: absolute;
      top: 12px;
      right: 12px;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0;
      padding: 0;
      border: 0;
      border-radius: 10px;
      font: inherit;
      font-size: 1.35rem;
      line-height: 1;
      color: var(--dh-muted);
      background: transparent;
      cursor: pointer;
    }
    .dh-modal__close:hover {
      background: var(--dh-bg);
      color: var(--dh-text);
    }
    .dh-modal__title {
      margin: 0 40px 10px 0;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dh-navy);
      letter-spacing: -0.02em;
    }
    .dh-modal__lede {
      margin: 0 0 1rem;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-request-form {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }
    .dh-request-form__label {
      margin-top: 0.35rem;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      color: var(--dh-muted);
    }
    .dh-request-form__label:first-of-type {
      margin-top: 0;
    }
    .dh-request-form__input,
    .dh-request-form__textarea {
      width: 100%;
      box-sizing: border-box;
      margin: 0;
      padding: 10px 12px;
      border-radius: 10px;
      border: 1px solid var(--dh-border-strong);
      background: var(--dh-bg);
      font: inherit;
      font-size: var(--dh-text-sm);
      color: var(--dh-text);
    }
    .dh-request-form__textarea {
      resize: vertical;
      min-height: 5rem;
      line-height: var(--dh-leading-relaxed);
    }
    .dh-request-form__input:focus-visible,
    .dh-request-form__textarea:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-color: var(--dh-accent);
    }
    .dh-modal__actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 8px;
      margin-top: 1rem;
    }
    .dh-modal__hint {
      margin: 14px 0 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-modal__body {
      margin: 0 0 0.25rem;
    }
    .dh-modal__body > p {
      margin: 0 0 0.85rem;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-modal__list {
      margin: 0 0 1rem;
      padding-left: 1.2rem;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-modal__list li {
      margin-bottom: 0.45em;
    }
    .dh-modal__list li:last-child {
      margin-bottom: 0;
    }

    /* Legal pages (terms, privacy) */
    .dh-legal-section {
      padding-top: var(--dh-space-section);
      padding-bottom: var(--dh-space-section);
    }
    .dh-doc--legal {
      max-width: min(var(--dh-prose-max), 52rem);
    }
    .dh-doc--legal > p em {
      font-style: normal;
      font-size: var(--dh-text-sm);
      color: var(--dh-muted);
    }
    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      .dh-search-overlay,
      .dh-search-overlay__panel,
      .dh-modal,
      .dh-modal__panel {
        transition: none;
      }
      .dh-search-overlay.is-open .dh-search-overlay__panel {
        transform: none;
      }
      .dh-modal.is-open .dh-modal__panel {
        transform: none;
      }
      .dh-video-card,
      .dh-product,
      .dh-video-card__play {
        transition: none;
      }
      .dh-video-card:hover .dh-video-card__play {
        transform: none;
      }
    }
    .dh-kbd {
      flex-shrink: 0;
      font-size: 0.7rem;
      font-weight: 600;
      padding: 3px 7px;
      border-radius: 6px;
      border: 1px solid var(--dh-border-strong);
      color: var(--dh-muted);
      background: var(--dh-surface);
    }

    /* Inner doc pages — same sticky header as hub + doc product/version strip */
    body.dh-body--inner {
      --dh-doc-chrome-h: calc(var(--dh-topbar-h) + var(--dh-doc-toolbar-h));
    }
    .dh-doc-toolbar {
      flex-shrink: 0;
      width: 100%;
      min-height: var(--dh-doc-toolbar-h);
      padding: 6px var(--dh-gutter);
      display: flex;
      align-items: center;
      justify-content: flex-end;
      background: var(--dh-surface);
      border-bottom: 1px solid var(--dh-border);
    }
    .dh-doc-toolbar__inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 14px;
      justify-content: flex-end;
      width: 100%;
      margin-left: auto;
    }
    .dh-inner-toolbar__field {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .dh-inner-toolbar__k {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--dh-muted);
      white-space: nowrap;
    }
    .dh-version--toolbar {
      min-width: 9.5rem;
    }

    /* Page content — flows with document scroll; footer follows below */
    .dh-page {
      flex: 0 0 auto;
      width: 100%;
      padding: var(--dh-gutter);
      overflow-x: hidden;
    }
    /*
      overflow-x: hidden makes overflow-y compute to auto on this box, which turns
      main into a scroll container and breaks position:sticky for the article TOC.
      Article pages need visible overflow so “On this page” can stick under the toolbar.
    */
    .dh-page.dh-page--article,
    .dh-page.dh-page--glossary,
    .dh-page.dh-page--videos {
      overflow-x: visible;
      overflow-y: visible;
    }

    /* Hero */
    .dh-hero {
      position: relative;
      border-radius: var(--dh-radius);
      padding: clamp(40px, 6vw, 72px) var(--dh-gutter);
      text-align: center;
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: var(--dh-shadow);
      overflow: hidden;
      margin-bottom: var(--dh-space-section);
      max-width: var(--dh-content-max);
      margin-left: auto;
      margin-right: auto;
    }
    .dh-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      opacity: 0.45;
      --dh-hero-grid-line: color-mix(in srgb, var(--dh-accent) 48%, var(--dh-border));
      background-image:
        linear-gradient(90deg, var(--dh-hero-grid-line) 1px, transparent 1px),
        linear-gradient(var(--dh-hero-grid-line) 1px, transparent 1px);
      background-size: 28px 28px;
      background-position: 0 0;
      background-repeat: repeat;
      mask-image: radial-gradient(ellipse 70% 65% at 50% 40%, #000 20%, transparent 70%);
      -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 40%, #000 20%, transparent 70%);
    }
    .dh-hero__inner {
      position: relative;
      z-index: 1;
      max-width: 720px;
      margin: 0 auto;
    }
    .dh-hero h1 {
      margin: 0 0 12px;
      font-size: clamp(1.85rem, 4vw, 2.5rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: var(--dh-leading-tight);
      color: var(--dh-navy);
      text-wrap: balance;
    }
    .dh-hero p {
      margin: 0 auto;
      max-width: 48ch;
      font-size: 1.0625rem;
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-muted);
      text-wrap: pretty;
    }

    /* Hub (manual/index): flush under header + full-width hero band */
    .dh-layout--hub .dh-page {
      padding-top: 0;
    }
    .dh-layout--hub .dh-hero {
      max-width: none;
      width: calc(100% + 2 * var(--dh-gutter));
      margin-left: calc(-1 * var(--dh-gutter));
      margin-right: calc(-1 * var(--dh-gutter));
      border-radius: 0;
      border-top: 0;
    }

    /* Home page sections — consistent width and vertical rhythm */
    .dh-home-section {
      width: 100%;
      max-width: var(--dh-content-max);
      margin-left: auto;
      margin-right: auto;
    }
    .dh-home-section + .dh-home-section {
      margin-top: var(--dh-space-section);
    }
    .dh-glossary-section,
    .dh-videos-page {
      padding-top: var(--dh-space-section);
    }

    .dh-glossary-layout {
      display: grid;
      grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
      gap: clamp(1.25rem, 4vw, 2.5rem);
      align-items: start;
    }
    .dh-glossary-sidebar {
      position: sticky;
      top: calc(var(--dh-topbar-h) + 16px);
      z-index: 5;
      align-self: start;
      max-height: calc(100vh - var(--dh-topbar-h) - 32px);
      overflow-y: auto;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
    }
    .dh-glossary-tools {
      padding: 1rem 1.1rem;
      border: 1px solid var(--dh-border);
      border-radius: 12px;
      background: var(--dh-elevated);
      box-shadow: 0 1px 0 rgba(45, 49, 67, 0.04);
    }
    .dh-glossary-sidebar__title {
      margin: 0 0 0.75rem;
      font-size: var(--dh-text-sm);
      font-weight: 700;
      color: var(--dh-navy);
    }
    .dh-glossary-sidebar__label {
      margin: 1rem 0 0.5rem;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-glossary-main {
      min-width: 0;
    }
    .dh-glossary-search {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid var(--dh-border);
      border-radius: 10px;
      background: var(--dh-surface);
      margin-bottom: 0.85rem;
    }
    .dh-glossary-search:focus-within {
      border-color: color-mix(in srgb, var(--dh-accent) 45%, var(--dh-border));
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--dh-accent) 18%, transparent);
    }
    .dh-glossary-search__icon {
      flex-shrink: 0;
      color: var(--dh-muted);
    }
    .dh-glossary-search__input {
      flex: 1;
      min-width: 0;
      border: 0;
      background: transparent;
      font: inherit;
      font-size: var(--dh-text-sm);
      color: var(--dh-navy);
      outline: none;
    }
    .dh-glossary-search__input::placeholder {
      color: var(--dh-muted);
    }
    .dh-glossary-search__status {
      margin: 0.5rem 0 0;
      font-size: var(--dh-text-xs);
      color: var(--dh-muted);
      min-height: 1.25em;
    }
    .dh-glossary-az {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 4px;
    }
    .dh-glossary-az__link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 2rem;
      height: 2rem;
      padding: 0 6px;
      border-radius: 8px;
      font-size: var(--dh-text-xs);
      font-weight: 700;
      text-decoration: none;
      color: var(--btn-primary);
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
    }
    .dh-glossary-az__link:hover {
      color: var(--dh-link);
      background: color-mix(in srgb, var(--dh-link) 10%, var(--dh-surface));
      border-color: var(--dh-link);
    }
    .dh-glossary-az__link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-glossary-az__link--empty {
      color: var(--dh-muted);
      opacity: 0.45;
      cursor: default;
      background: transparent;
      border-color: transparent;
    }
    .dh-glossary-az__link--muted {
      opacity: 0.4;
      pointer-events: none;
    }
    .dh-glossary-page-title {
      margin: 0 0 1.5rem;
      font-size: clamp(1.85rem, 4vw, 2.25rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: var(--dh-leading-tight);
      color: var(--dh-navy);
    }
    .dh-glossary-letter {
      margin-bottom: 2rem;
      scroll-margin-top: calc(var(--dh-topbar-h) + 20px);
    }
    .dh-glossary-letter--hidden {
      display: none;
    }
    .dh-glossary-letter__heading {
      margin: 0 0 0.75rem;
      padding-bottom: 0.35rem;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--dh-navy);
      border-bottom: 2px solid var(--dh-border);
    }
    .dh-glossary-list {
      margin: 0;
    }
    .dh-glossary-entry {
      margin: 0 0 1.1rem;
      padding-bottom: 1.1rem;
      border-bottom: 1px solid var(--dh-border);
    }
    .dh-glossary-entry:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: 0;
    }
    .dh-glossary-entry--hidden {
      display: none;
    }
    .dh-glossary-entry__term {
      margin: 0 0 0.35rem;
      font-size: 1rem;
      font-weight: 700;
      color: var(--dh-navy);
    }
    .dh-glossary-entry__def {
      margin: 0;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-videos-page .dh-h2 {
      font-size: clamp(1.85rem, 4vw, 2.25rem);
    }

    .dh-videos-toolbar {
      margin-bottom: 1.5rem;
      padding: 1rem 1.1rem;
      border: 1px solid var(--dh-border);
      border-radius: 12px;
      background: var(--dh-elevated);
    }
    .dh-videos-search {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid var(--dh-border);
      border-radius: 10px;
      background: var(--dh-surface);
      margin-bottom: 0.85rem;
    }
    .dh-videos-search:focus-within {
      border-color: color-mix(in srgb, var(--dh-accent) 45%, var(--dh-border));
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--dh-accent) 18%, transparent);
    }
    .dh-videos-search__icon {
      flex-shrink: 0;
      color: var(--dh-muted);
    }
    .dh-videos-search__input {
      flex: 1;
      min-width: 0;
      border: 0;
      background: transparent;
      font: inherit;
      font-size: var(--dh-text-sm);
      color: var(--dh-navy);
      outline: none;
    }
    .dh-videos-search__input::placeholder {
      color: var(--dh-muted);
    }
    .dh-videos-filters {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .dh-videos-filter__btn {
      appearance: none;
      font: inherit;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid var(--dh-border);
      background: var(--dh-surface);
      color: var(--dh-muted);
      cursor: pointer;
    }
    .dh-videos-filter__btn:hover {
      color: var(--btn-primary);
      border-color: var(--dh-border-strong);
    }
    .dh-videos-filter__btn:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-videos-filter__btn.is-active {
      color: var(--btn-text, #ffffff);
      background: var(--btn-primary);
      border-color: var(--btn-primary);
    }
    .dh-videos-filter__btn.is-active:hover {
      color: var(--btn-text, #ffffff);
      background: var(--btn-primary-hover);
      border-color: var(--btn-primary-hover);
    }
    .dh-videos-filter__status {
      margin: 0.65rem 0 0;
      font-size: var(--dh-text-xs);
      color: var(--dh-muted);
      min-height: 1.25em;
    }
    .dh-videos-empty {
      margin: 0 0 1rem;
      padding: 0.85rem 1rem;
      border-radius: 10px;
      background: var(--dh-elevated);
      border: 1px dashed var(--dh-border-strong);
      color: var(--dh-muted);
      font-size: var(--dh-text-sm);
    }
    .dh-videos-item--hidden {
      display: none !important;
    }
    .dh-videos--empty {
      display: none;
    }

    .dh-h2 {
      margin: 0 0 var(--dh-space-stack);
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
    }
    .dh-home-section .dh-lede {
      margin: 0 0 var(--dh-space-after-lede);
      font-size: var(--dh-text-base);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-muted);
      max-width: min(var(--dh-prose-max), 50rem);
    }

    /* Video grid */
    .dh-videos {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--dh-space-grid);
      list-style: none;
      margin: 0;
      padding: 0;
    }
    @media (min-width: 961px) {
      .dh-videos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    .dh-video-card {
      display: flex;
      flex-direction: column;
      min-width: 0;
      border-radius: var(--dh-radius);
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: var(--dh-shadow-card);
      text-decoration: none;
      color: inherit;
      overflow: hidden;
      transition: box-shadow var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
    }
    @media (hover: hover) and (pointer: fine) {
      .dh-video-card:hover {
        box-shadow: var(--dh-shadow-hover);
        border-color: color-mix(in srgb, var(--dh-accent) 28%, var(--dh-border));
      }
    }
    .dh-video-card:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      box-shadow: var(--dh-shadow-hover);
      border-color: color-mix(in srgb, var(--dh-accent) 28%, var(--dh-border));
    }
    .dh-video-card__media {
      position: relative;
      aspect-ratio: 16 / 9;
      background: linear-gradient(145deg, #5a6d88 0%, #2d4a66 45%, #1a3a5c 100%);
    }
    .dh-videos > li:nth-child(6n+2) .dh-video-card__media {
      background: linear-gradient(145deg, #6b7280 0%, #3d4f63 50%, #243447 100%);
    }
    .dh-videos > li:nth-child(6n+3) .dh-video-card__media {
      background: linear-gradient(145deg, #4a6678 0%, #2a4a5c 48%, #153040 100%);
    }
    .dh-videos > li:nth-child(6n+4) .dh-video-card__media {
      background: linear-gradient(145deg, #5c6478 0%, #3a4556 50%, #1e2838 100%);
    }
    .dh-videos > li:nth-child(6n+5) .dh-video-card__media {
      background: linear-gradient(145deg, #4f6a7a 0%, #355a6e 46%, #1a3548 100%);
    }
    .dh-videos > li:nth-child(6n+6) .dh-video-card__media {
      background: linear-gradient(145deg, #636f80 0%, #3d4a5e 52%, #263240 100%);
    }
    .dh-video-card__media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 80% at 50% 40%, transparent 30%, rgba(0, 0, 0, 0.22) 100%);
      pointer-events: none;
    }
    .dh-video-card__duration {
      position: absolute;
      top: 10px;
      right: 10px;
      z-index: 1;
      padding: 4px 8px;
      border-radius: 6px;
      font-size: 0.72rem;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      color: var(--mos-white);
      background: rgba(0, 0, 0, 0.55);
    }
    .dh-video-card__play {
      position: absolute;
      left: 50%;
      top: 50%;
      z-index: 1;
      width: 56px;
      height: 56px;
      margin: -28px 0 0 -28px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.95);
      color: var(--dh-navy);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
      transition: transform var(--dh-duration) var(--dh-ease-out), background-color var(--dh-duration) var(--dh-ease-out);
    }
    @media (hover: hover) and (pointer: fine) {
      .dh-video-card:hover .dh-video-card__play {
        transform: scale(1.04);
        background: var(--mos-white);
      }
    }
    .dh-video-card__play svg {
      margin-left: 3px;
    }
    .dh-video-card__body {
      padding: 16px 18px 18px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex: 1;
    }
    .dh-video-card__body h3 {
      margin: 0;
      font-size: var(--dh-text-base);
      font-weight: 700;
      color: var(--dh-navy);
      line-height: var(--dh-leading-snug);
    }
    .dh-video-card__meta {
      margin: 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }

    /* Products */
    .dh-products {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: var(--dh-space-grid);
    }
    @media (min-width: 961px) {
      .dh-products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    /* Hub lists only Monitor + Mobile: keep two columns on wide viewports */
    @media (min-width: 961px) {
      .dh-products-section .dh-products {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 56rem;
        margin-inline: 0;
      }
    }
    .dh-product {
      border-radius: var(--dh-radius);
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: var(--dh-shadow-card);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: box-shadow var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
    }
    @media (hover: hover) and (pointer: fine) {
      .dh-product:hover {
        box-shadow: var(--dh-shadow-hover);
        border-color: color-mix(in srgb, var(--dh-accent) 26%, var(--dh-border));
      }
    }
    .dh-product--clickable {
      cursor: pointer;
    }
    .dh-product--clickable:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 3px;
      border-radius: var(--dh-radius);
    }
    .dh-product__title-link {
      text-decoration: none;
      background-image: linear-gradient(currentColor, currentColor);
      background-position: 0% 100%;
      background-repeat: no-repeat;
      background-size: 0% 1px;
      transition: background-size var(--dh-duration) var(--dh-ease-out), color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-product--clickable:hover .dh-product__title-link,
    .dh-product__title-link:hover {
      background-size: 100% 1px;
    }
    .dh-product__title-link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 2px;
    }
    .dh-product__preview {
      height: 140px;
      background: linear-gradient(145deg, #e8ecf6 0%, #f4f6fb 50%, #dde4f2 100%);
      border-bottom: 1px solid var(--dh-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--dh-font-mono);
      font-size: 0.75rem;
      color: var(--dh-muted);
      padding: 16px;
      text-align: left;
      line-height: 1.45;
    }
    .dh-product__preview--mos {
    
      font-family: inherit;
      text-align: center;
    }
    .dh-product__logo {
      width: min(100%, 220px);
      height: auto;
      max-height: 40px;
      object-fit: contain;
      display: block;
    }
   
    .dh-product__body {
      padding: 16px 18px 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }
    .dh-product__row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .dh-product h3 {
      margin: 0;
      font-size: 1.125rem;
      font-weight: 700;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
    }
    .dh-product p {
      margin: 0;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-version {
      appearance: none;
      font: inherit;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      padding: 6px 28px 6px 10px;
      border-radius: 8px;
      border: 1px solid var(--dh-border-strong);
      background: var(--dh-elevated);
      color: var(--dh-navy);
      cursor: pointer;
      background-image: var(--ds-chevron-down);
      background-repeat: no-repeat;
      background-position: right 8px center;
    }
    .dh-version:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-product__version-label {
      margin: 0;
      flex-shrink: 0;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      line-height: var(--dh-leading-snug);
      color: var(--dh-muted);
      white-space: nowrap;
    }
    .dh-product__open {
      display: inline-flex;
      align-items: center;
      align-self: flex-start;
      margin-top: 4px;
      padding: 8px 14px;
      border-radius: 10px;
      border: 1px solid var(--btn-primary);
      background: var(--btn-primary);
      font-size: var(--dh-text-sm);
      font-weight: 600;
      color: var(--btn-text, #ffffff);
      text-decoration: none;
      transition: background-color var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-product__open:hover {
      background: var(--btn-primary-hover);
      border-color: var(--btn-primary-hover);
      color: var(--btn-text, #ffffff);
    }
    .dh-product__open:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-home-videos-cta {
      display: inline-flex;
      align-items: center;
      margin-top: 0.5rem;
      font-size: var(--dh-text-sm);
      font-weight: 600;
      color: var(--dh-link);
      text-decoration: none;
    }
    .dh-home-videos-cta:hover {
      color: var(--dh-link-hover);
    }
    .dh-home-videos-cta:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 4px;
    }
    .dh-inner-toolbar__field .dh-product__version-label {
      padding: 6px 10px;
      border-radius: 8px;
      border: 1px solid var(--dh-border-strong);
      background: var(--dh-elevated);
      color: var(--dh-navy);
    }

    /* Feedback row */
    .dh-feedback {
      max-width: var(--dh-content-max);
      margin-left: auto;
      margin-right: auto;
      margin-top: var(--dh-space-section);
      padding-top: 1.25rem;
      border-top: 1px solid var(--dh-border);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .dh-feedback__q {
      font-size: var(--dh-text-sm);
      font-weight: 600;
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-feedback__btns {
      display: flex;
      gap: 8px;
    }
    .dh-feedback--article {
      max-width: none;
      width: 100%;
      margin-left: 0;
      margin-right: 0;
      margin-top: 2rem;
      flex-direction: column;
      align-items: flex-start;
      gap: 0.75rem;
    }
    .dh-feedback__thanks:not(.visually-hidden) {
      margin: 0.75rem 0 0;
      font-size: var(--dh-text-sm);
      color: var(--dh-muted);
      font-weight: 500;
    }

    /* Article footer tags — discoverability / future search wiring */
    .dh-article-tags {
      margin-top: 1.75rem;
      padding-top: 1.25rem;
      border-top: 1px solid var(--dh-border);
    }
    .dh-article-tags__title {
      margin: 0 0 0.65rem;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-article-tags__list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .dh-article-tags__link {
      display: inline-block;
      padding: 6px 12px;
      border-radius: 999px;
      font-size: var(--dh-text-xs);
      font-weight: 600;
      line-height: 1.3;
      color: var(--dh-navy);
      text-decoration: none;
      background: var(--dh-elevated);
      border: 1px solid var(--dh-border);
      transition: border-color var(--dh-duration) var(--dh-ease-out), background-color var(--dh-duration) var(--dh-ease-out), color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-article-tags__link:hover {
      border-color: color-mix(in srgb, var(--dh-link) 40%, var(--dh-border));
      background: color-mix(in srgb, var(--dh-link) 8%, var(--dh-surface));
      color: var(--dh-link);
    }
    .dh-article-tags__link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-iconbtn {
      padding: 8px 14px;
      border-radius: 8px;
      border: 1px solid var(--dh-border);
      background: var(--dh-surface);
      font: inherit;
      cursor: pointer;
      font-size: 1rem;
      transition: background-color var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-iconbtn:hover {
      background: var(--dh-bg);
    }
    .dh-iconbtn:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-iconbtn:disabled {
      opacity: 0.65;
      cursor: default;
    }
    .dh-next {
      font-size: var(--dh-text-sm);
      font-weight: 700;
      line-height: var(--dh-leading-normal);
      color: var(--dh-link);
      text-decoration: none;
    }
    .dh-next:hover {
      color: var(--dh-link-hover);
    }

    /* Footer strip — end of main column, scrolls with page */
    .dh-foot {
      flex-shrink: 0;
      width: 100%;
      margin-top: var(--dh-space-section);
      padding: 28px var(--dh-gutter) 32px;
      background: var(--dh-surface);
      border-top: 1px solid var(--dh-border);
    }
    .dh-foot__inner {
      width: 100%;
      max-width: var(--dh-content-max);
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      text-align: center;
    }
    .dh-foot__logo-link {
      display: inline-flex;
      line-height: 0;
      text-decoration: none;
      margin-bottom: 4px;
    }
    .dh-foot__logo-link:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 3px;
      border-radius: 6px;
    }
    .dh-foot__logo {
      height: 26px;
      width: auto;
      max-width: 150px;
      display: block;
    }
    .dh-foot__trail {
      margin: 0;
      font-size: var(--dh-text-sm);
      font-weight: 600;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
    }
    .dh-foot__nav {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 6px 18px;
    }
    .dh-foot__nav a {
      font-size: var(--dh-text-sm);
      font-weight: 500;
      color: var(--dh-muted);
      text-decoration: none;
    }
    .dh-foot__nav a:hover {
      color: var(--dh-link);
    }
    .dh-foot__nav a:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 2px;
    }
    .dh-foot__copyright {
      margin: 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }

    .dh-skip {
      position: absolute;
      left: -9999px;
      top: 0;
      padding: 10px 14px;
      background: var(--dh-surface);
      color: var(--dh-navy);
      font-weight: 600;
      border-radius: 8px;
      z-index: 1000;
    }
    .dh-skip:focus {
      left: 12px;
      top: 12px;
      outline: 2px solid var(--dh-accent);
    }

    @media (max-width: 960px) {
      .dh-layout {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
      }
      .dh-sidebar {
        width: 100%;
        height: auto;
        max-height: none;
        position: relative;
        border-right: 0;
        border-bottom: 1px solid var(--dh-border);
      }
      body.dh-body--inner .dh-maincol {
        width: 100%;
      }
      .dh-maincol {
        flex: 1 1 auto;
      }
      .dh-sticky-header {
        position: sticky;
        top: 0;
      }
      .dh-products,
      .dh-videos { grid-template-columns: 1fr; }
      .dh-topbar__logo-max { height: 18px; }
      .dh-topbar__logo-mos { height: 24px; max-width: 120px; }
    }

    @media (max-width: 520px) {
      :root {
        --dh-topbar-h: 52px;
        --dh-doc-toolbar-h: 44px;
      }

      .dh-topbar {
        gap: 10px;
        padding: 0 14px;
      }

      .dh-topbar__title {
        display: none;
      }

      .dh-topbar__end {
        gap: 10px;
      }

      .dh-topbar__logo-max {
        display: none;
      }

      .dh-search-wrap {
        max-width: none;
        margin: 0;
      }

      .dh-search {
        gap: 8px;
        padding: 8px 10px;
      }

      .dh-kbd {
        display: none;
      }

      .dh-doc-toolbar {
        padding: 10px 14px;
      }

      .dh-inner-toolbar__field {
        flex: 1 1 100%;
        min-width: 0;
      }

      .dh-version--toolbar {
        min-width: 0;
        width: 100%;
      }

      .dh-inner-toolbar__k {
        flex-shrink: 0;
      }

      .dh-search-overlay {
        padding: 56px 14px 18px;
      }

      .dh-search-overlay__panel {
        padding: 16px 16px 14px;
        border-radius: 14px;
      }

      .dh-search-overlay__close {
        top: 14px;
        right: 14px;
      }

      .dh-modal {
        padding: 14px;
      }

      .dh-modal__panel {
        padding: 18px 16px 14px;
        border-radius: 14px;
        max-height: 92vh;
      }
    }

    /* Top bar link back to hub (inner pages) */
    .dh-topbar__crumb {
      color: inherit;
      text-decoration: none;
    }
    .dh-topbar__crumb:hover {
      color: var(--dh-link);
    }

    /* Inner doc article — measure and scale aligned with long-form typography */
    .dh-doc {
      max-width: min(var(--dh-prose-max), 100%);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
    }
    .dh-doc h1 {
      margin: 0 0 0.35rem;
      font-size: clamp(1.75rem, 0.6rem + 2.2vw, 2.125rem);
      font-weight: 700;
      letter-spacing: -0.025em;
      line-height: var(--dh-leading-tight);
      color: var(--dh-navy);
    }
    .dh-doc > p.dh-doc-versionline {
      margin: 0 0 0.85rem;
      font-size: var(--dh-text-sm);
      font-weight: 500;
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-doc-versionline__label {
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--dh-muted);
      margin-right: 0.4em;
    }
    .dh-doc > p {
      margin: 0 0 1em;
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-doc .dh-lede {
      margin: 0 0 1.25rem;
      font-size: 1.125rem;
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-doc a {
      color: var(--dh-link);
      text-decoration: none;
      font-weight: 500;
      transition: color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-doc a:hover {
      color: var(--dh-link-hover);
    }
    .dh-doc a:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 2px;
    }
    .dh-doc strong {
      font-weight: 600;
    }
    .dh-doc code {
      font-size: 0.9em;
      padding: 0.15em 0.4em;
      border-radius: 6px;
      background: var(--dh-elevated);
      border: 1px solid var(--dh-border);
      font-family: var(--dh-font-mono);
      font-variant-numeric: tabular-nums;
    }
    /* —— Single article page —— */
    .dh-page--article {
      max-width: none;
    }
    .dh-article-shell {
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
    }
    .dh-article-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px 20px;
      margin-top: 2rem;
      padding-top: 1.25rem;
      border-top: 1px solid var(--dh-border);
    }
    .dh-article-tools {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }
    .dh-toolbtn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin: 0;
      padding: 8px 14px;
      border-radius: 10px;
      border: 1px solid var(--dh-border-strong);
      background: var(--dh-surface);
      font: inherit;
      font-size: var(--dh-text-sm);
      font-weight: 600;
      color: var(--dh-navy);
      cursor: pointer;
      text-decoration: none;
      line-height: 1.2;
      transition: background-color var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
    }
    a.dh-toolbtn,
    a.dh-toolbtn:visited {
      color: var(--dh-navy);
    }
    .dh-toolbtn:hover {
      background: var(--dh-bg);
      border-color: var(--dh-accent);
      color: var(--dh-navy);
    }
    .dh-toolbtn:disabled {
      opacity: 0.65;
      cursor: wait;
    }
    .dh-toolbtn:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
    }
    .dh-toolbtn svg {
      flex-shrink: 0;
      opacity: 0.85;
    }
    .dh-toolbtn--primary {
      border-color: var(--btn-primary);
      background: var(--btn-primary);
      color: var(--btn-text, #ffffff);
    }
    .dh-toolbtn--primary:hover {
      background: var(--btn-primary-hover);
      border-color: var(--btn-primary-hover);
      color: var(--btn-text, #ffffff);
    }
    .dh-article-meta {
      margin: 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
    }
    .dh-article-meta time {
      font-weight: 600;
      color: var(--dh-text);
      font-variant-numeric: tabular-nums;
    }
    .dh-article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(200px, 280px);
      gap: clamp(1.25rem, 4vw, 2.5rem);
      align-items: start;
    }
    .dh-toc {
      position: sticky;
      top: calc(var(--dh-topbar-h) + 12px);
      align-self: start;
      max-height: calc(100vh - var(--dh-topbar-h) - 24px);
      overflow-y: auto;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
      padding: 16px 14px;
      border-radius: var(--dh-radius);
      border: 1px solid var(--dh-border);
      background: var(--dh-surface);
      box-shadow: var(--dh-shadow);
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-normal);
    }
    .dh-toc__title {
      margin: 0 0 10px;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-toc ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .dh-toc li {
      margin: 0;
    }
    .dh-toc a {
      display: block;
      padding: 6px 0 6px 10px;
      margin-left: -2px;
      border-left: 2px solid transparent;
      color: var(--dh-navy);
      text-decoration: none;
      font-weight: 500;
      line-height: var(--dh-leading-snug);
      transition: border-left-color var(--dh-duration) var(--dh-ease-out), color var(--dh-duration) var(--dh-ease-out);
    }
    .dh-toc a:hover,
    .dh-toc a:focus-visible {
      border-left-color: var(--dh-link);
      color: var(--dh-link);
    }
    .dh-toc a.is-active,
    .dh-toc a[aria-current="true"] {
      border-left-color: var(--dh-accent);
      color: var(--dh-navy);
      font-weight: 600;
    }
    .dh-toc a.dh-toc__sub {
      padding-left: 18px;
      font-size: var(--dh-text-xs);
      font-weight: 500;
      color: var(--dh-muted);
    }
    .dh-toc a.dh-toc__sub:hover {
      color: var(--dh-navy);
    }
    body.dh-body--inner .dh-toc {
      top: calc(var(--dh-doc-chrome-h) + 12px);
      z-index: 10;
      max-height: calc(100vh - var(--dh-doc-chrome-h) - 20px);
    }
    body.dh-body--inner .dh-doc h2,
    body.dh-body--inner .dh-doc h3 {
      scroll-margin-top: calc(var(--dh-doc-chrome-h) + 12px);
    }

    /* Inner doc — tighter sidebar nav */
    body.dh-body--inner .dh-nav-group {
      margin-top: 8px;
      padding: 0 10px;
    }
    body.dh-body--inner .dh-nav--accordion > .dh-nav-group:first-child {
      margin-top: 0;
    }
    body.dh-body--inner .dh-nav--accordion .dh-nav-group__summary,
    body.dh-body--inner .dh-nav--accordion .dh-nav-sub__summary {
      padding: 6px 8px 6px 10px;
    }
    body.dh-body--inner .dh-nav--accordion .dh-nav-group__body {
      padding: 2px 0 4px;
      gap: 1px;
    }
    body.dh-body--inner .dh-nav a {
      padding: 5px 8px 5px 10px;
      line-height: 1.35;
    }
    body.dh-body--inner .dh-nav-group--stack {
      gap: 1px;
    }

    /* Inner doc — tighter article spacing */
    body.dh-body--inner .dh-page--article {
      padding-top: clamp(14px, 2vw, 20px);
      padding-bottom: clamp(16px, 2.5vw, 24px);
    }
    body.dh-body--inner .dh-article-layout {
      gap: clamp(1rem, 2.5vw, 1.5rem);
    }
    body.dh-body--inner .dh-doc h2 {
      margin: 1.2em 0 0.45em;
    }
    body.dh-body--inner .dh-doc h2:first-of-type {
      margin-top: 0.85rem;
    }
    body.dh-body--inner .dh-doc h3 {
      margin: 1em 0 0.4em;
    }
    body.dh-body--inner .dh-doc > p {
      margin-bottom: 0.85em;
    }
    body.dh-body--inner .dh-doc .dh-lede {
      margin-bottom: 1rem;
    }
    body.dh-body--inner .dh-doc hr {
      margin: 1.25rem 0;
    }
    body.dh-body--inner .dh-related,
    body.dh-body--inner .dh-article-help {
      margin-top: 1.25rem;
      padding: 0.9rem 1rem;
    }
    body.dh-body--inner .dh-article-bar,
    body.dh-body--inner .dh-feedback--article {
      margin-top: 1.25rem;
      padding-top: 0.85rem;
    }
    body.dh-body--inner .dh-article-tags {
      margin-top: 1.1rem;
      padding-top: 0.85rem;
    }
    body.dh-body--inner .dh-chapter-pager {
      margin-top: 1.25rem;
      padding-top: 0.85rem;
    }

    /* Inner article: flat panels — no filled card behind TOC / related / help / footer strip */
    body.dh-body--inner .dh-toc,
    body.dh-body--inner .dh-related,
    body.dh-body--inner .dh-article-help,
    body.dh-body--inner .dh-foot {
      background: transparent;
      box-shadow: none;
    }
    .dh-doc h2 {
      margin: 1.75em 0 0.65em;
      font-size: 1.3125rem;
      font-weight: 700;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
      letter-spacing: -0.02em;
      scroll-margin-top: calc(var(--dh-topbar-h) + 12px);
    }
    .dh-doc h2:first-of-type {
      margin-top: 1.25rem;
    }
    .dh-doc h3 {
      margin: 1.35em 0 0.5em;
      font-size: 1.0625rem;
      font-weight: 600;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
      scroll-margin-top: calc(var(--dh-topbar-h) + 12px);
    }
    .dh-doc ul,
    .dh-doc ol {
      margin: 0 0 1em;
      padding-left: 1.35rem;
      color: var(--dh-text);
      line-height: var(--dh-leading-relaxed);
    }
    .dh-doc li {
      margin-bottom: 0.4em;
    }
    .dh-doc li > p {
      margin: 0 0 0.35em;
    }
    .dh-doc h4 {
      margin: 1.1em 0 0.4em;
      font-size: 0.95rem;
      font-weight: 600;
      line-height: var(--dh-leading-snug);
      color: var(--dh-navy);
      letter-spacing: -0.01em;
      scroll-margin-top: calc(var(--dh-topbar-h) + 12px);
    }
    .dh-doc hr {
      border: 0;
      border-top: 1px solid var(--dh-border);
      margin: 2rem 0;
    }
    .dh-doc img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      border: 1px solid var(--dh-border);
      margin: 0.75rem 0;
    }
    .dh-doc__img--placeholder {
      display: block;
      width: 100%;
      max-width: min(100%, 420px);
      margin-left: auto;
      margin-right: auto;
      background: var(--dh-elevated);
    }
    .dh-doc__figure--placeholder {
      margin: 0.75rem auto 1.15rem;
      max-width: min(100%, 420px);
    }
    .dh-doc__figure--placeholder .dh-doc__img--placeholder {
      margin: 0;
    }
    .dh-doc__figure-caption {
      margin: 0.35rem 0 0;
      font-size: var(--dh-text-xs);
      line-height: var(--dh-leading-normal);
      color: var(--dh-muted);
      text-align: center;
    }
    .dh-doc__loading {
      margin: 1.5rem 0;
      padding: 0.85rem 1rem;
      border-radius: 10px;
      background: var(--dh-elevated);
      border: 1px dashed var(--dh-border-strong);
      color: var(--dh-muted);
      font-size: var(--dh-text-sm);
    }

    /* —— Blockquote callouts (Markdown) —— */
    .dh-doc blockquote {
      margin: 1rem 0 1.25rem;
      padding: 0.85rem 1.05rem;
      border-radius: 10px;
      background: #f4f6fb;
      border-left: 4px solid var(--dh-navy);
      color: var(--dh-text);
      box-shadow: 0 1px 0 rgba(45, 49, 67, 0.04);
    }
    .dh-doc blockquote > :first-child {
      margin-top: 0;
    }
    .dh-doc blockquote > :last-child {
      margin-bottom: 0;
    }
    .dh-doc blockquote p {
      margin: 0 0 0.5em;
      line-height: var(--dh-leading-relaxed);
    }
    .dh-doc blockquote p:last-child {
      margin-bottom: 0;
    }
    .dh-doc blockquote strong:first-child {
      color: var(--dh-navy);
    }
    .dh-doc blockquote ul,
    .dh-doc blockquote ol {
      margin: 0.35rem 0 0.35rem 0;
      padding-left: 1.1rem;
    }

    /* Inline callout helper (used for error states) */
    .dh-callout {
      margin: 1rem 0;
      padding: 0.85rem 1.05rem;
      border-radius: 10px;
      background: #f4f6fb;
      border-left: 4px solid var(--dh-navy);
    }
    .dh-callout--warn {
      background: #fff5ec;
      border-left-color: var(--dh-accent);
    }
    .dh-callout p {
      margin: 0 0 0.35rem;
    }
    .dh-callout p:last-child {
      margin: 0;
    }

    /* —— Tables (Markdown) —— */
    .dh-doc .dh-table-wrap {
      margin: 1rem 0 1.25rem;
      overflow-x: auto;
      border-radius: 10px;
      border: 1px solid var(--dh-border);
      box-shadow: 0 1px 0 rgba(45, 49, 67, 0.04);
      background: var(--dh-surface);
    }
    .dh-doc table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.95rem;
    }
    .dh-doc thead {
      background: var(--dh-elevated);
    }
    .dh-doc th,
    .dh-doc td {
      padding: 0.65rem 0.85rem;
      text-align: left;
      vertical-align: top;
      border-bottom: 1px solid var(--dh-border);
      line-height: var(--dh-leading-relaxed);
    }
    .dh-doc th {
      font-weight: 600;
      color: var(--dh-navy);
      letter-spacing: 0.01em;
      font-size: 0.78rem;
      text-transform: uppercase;
    }
    .dh-doc tbody tr:last-child td {
      border-bottom: 0;
    }
    .dh-doc tbody tr:nth-child(even) td {
      background: rgba(241, 244, 251, 0.4);
    }
    .dh-doc tbody tr:hover td {
      background: rgba(253, 89, 2, 0.04);
    }

    .dh-related {
      margin-top: 2rem;
      padding: 1.25rem 1.35rem;
      border-radius: var(--dh-radius);
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: var(--dh-shadow-card);
    }
    .dh-related__title {
      margin: 0 0 0.75rem;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--dh-muted);
    }
    .dh-related__list {
      margin: 0;
      padding-left: 1.25rem;
      color: var(--dh-text);
      line-height: var(--dh-leading-relaxed);
    }
    .dh-related__list li {
      margin-bottom: 0.35em;
    }
    .dh-related__list a {
      color: var(--dh-link);
      font-weight: 500;
      text-decoration: none;
    }
    .dh-related__list a:hover {
      color: var(--dh-link-hover);
    }
    .dh-related__list a:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 2px;
    }
    .dh-article-help {
      margin-top: 2.5rem;
      padding: 1.25rem 1.35rem;
      border-radius: var(--dh-radius);
      background: var(--dh-surface);
      border: 1px solid var(--dh-border);
      box-shadow: var(--dh-shadow-card);
    }
    .dh-article-help p {
      margin: 0;
      font-size: var(--dh-text-sm);
      line-height: var(--dh-leading-relaxed);
      color: var(--dh-text);
    }
    .dh-article-help a,
    .dh-article-help__cta {
      font-weight: 700;
      color: var(--dh-accent);
      text-decoration: none;
    }
    .dh-article-help a:hover,
    .dh-article-help__cta:hover {
      color: var(--dh-link-hover);
    }
    .dh-article-help a:focus-visible,
    .dh-article-help__cta:focus-visible {
      outline: 2px solid var(--dh-accent);
      outline-offset: 2px;
      border-radius: 4px;
    }
    .dh-article-help__cta {
      display: inline;
      margin: 0;
      padding: 0;
      border: 0;
      background: none;
      font: inherit;
      font-size: inherit;
      line-height: inherit;
      cursor: pointer;
      vertical-align: baseline;
    }
    @media (max-width: 900px) {
      .dh-glossary-layout {
        grid-template-columns: 1fr;
      }
      .dh-glossary-sidebar {
        position: relative;
        top: auto;
        max-height: none;
        overflow-y: visible;
      }
      .dh-article-layout {
        grid-template-columns: 1fr;
      }
      .dh-toc {
        position: relative;
        top: auto;
        max-height: none;
        overflow-y: visible;
      }
      .dh-doc-toolbar__inner {
        justify-content: flex-start;
      }
    }

    @media print {
      .dh-skip,
      .dh-sidebar,
      .dh-sidebar-scrim,
      .dh-sticky-header,
      .dh-foot,
      .dh-search-overlay,
      .dh-modal,
      .dh-article-tools,
      .dh-article-bar,
      .dh-chapter-pager,
      .dh-toc,
      .dh-related,
      .dh-article-help,
      .dh-feedback,
      .dh-article-tags,
      .dh-chatbot-app {
        display: none !important;
      }
      body.dh-body--inner .dh-layout {
        padding-left: 0 !important;
      }
      body.dh-body--inner .dh-maincol {
        width: 100% !important;
      }
      body {
        background: var(--mos-white) !important;
        color: #000 !important;
      }
      .dh-layout,
      .dh-maincol,
      .dh-layout__shell {
        display: block !important;
        min-height: 0 !important;
      }
      .dh-page {
        padding: 0 !important;
      }
      .dh-article-shell {
        max-width: none !important;
      }
      .dh-article-layout {
        display: block !important;
      }
      .dh-doc h1,
      .dh-doc h2,
      .dh-doc h3 {
        page-break-after: avoid;
      }
      .dh-doc {
        max-width: none !important;
      }
      a {
        text-decoration: none;
      }
    }

/* MissionOS mobile manual — one chapter per page */
.dh-chapter-pager {
  margin-top: 1.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--dh-border);
}

.dh-chapter-pager__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.dh-chapter-pager__link {
  font-weight: 500;
  color: var(--dh-link);
  text-decoration: none;
}

.dh-chapter-pager__link:hover {
  color: var(--dh-link-hover);
}

.dh-chapter-pager__meta {
  font-size: 0.875rem;
  color: var(--dh-muted);
}

.dh-chapter-pager__spacer {
  flex: 0 0 4.5rem;
}

/* —— AI Chatbot page —— */
.dh-page--chatbot,
.dh-chatbot-section {
  padding-top: var(--dh-space-section);
}
.dh-chatbot-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: start;
}
.dh-chatbot-sidebar {
  position: sticky;
  top: calc(var(--dh-topbar-h) + 16px);
  z-index: 5;
  align-self: start;
  max-height: calc(100vh - var(--dh-topbar-h) - 32px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.dh-chatbot-tools {
  padding: 1rem 1.1rem;
  border: 1px solid var(--dh-border);
  border-radius: 12px;
  background: var(--dh-elevated);
  box-shadow: 0 1px 0 rgba(45, 49, 67, 0.04);
}
.dh-chatbot-sidebar__title {
  margin: 0 0 0.5rem;
  font-size: var(--dh-text-sm);
  font-weight: 700;
  color: var(--dh-navy);
}
.dh-chatbot-sidebar__lede {
  margin: 0 0 1rem;
  font-size: var(--dh-text-xs);
  line-height: var(--dh-leading-relaxed);
  color: var(--dh-muted);
}
.dh-chatbot-sidebar__label {
  margin: 1rem 0 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dh-muted);
}
.dh-chatbot-field {
  display: block;
}
.dh-chatbot-field__label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--dh-text-xs);
  font-weight: 600;
  color: var(--dh-navy);
}
.dh-chatbot-field__select {
  width: 100%;
}
.dh-chatbot-prompts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dh-chatbot-prompt {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 1px solid var(--dh-border);
  border-radius: 8px;
  background: var(--dh-surface);
  font: inherit;
  font-size: var(--dh-text-xs);
  color: var(--dh-navy);
  cursor: pointer;
  transition: border-color var(--dh-duration) var(--dh-ease-out), background var(--dh-duration) var(--dh-ease-out);
}
.dh-chatbot-prompt:hover {
  border-color: var(--dh-link);
  background: color-mix(in srgb, var(--dh-link) 8%, var(--dh-surface));
}
.dh-chatbot-prompt:focus-visible {
  outline: 2px solid var(--dh-accent);
  outline-offset: 2px;
}
.dh-chatbot-clear {
  width: 100%;
  margin-top: 1rem;
  justify-content: center;
}
.dh-chatbot-disclaimer {
  margin-top: 1rem;
  font-size: var(--dh-text-xs);
}
.dh-chatbot-disclaimer p {
  margin: 0;
}
.dh-chatbot-main {
  min-width: 0;
}
.dh-chatbot-page-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.85rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: var(--dh-leading-tight);
  color: var(--dh-navy);
}
.dh-chatbot-header .dh-lede {
  margin-bottom: 1.25rem;
}
.dh-chatbot-panel {
  display: flex;
  flex-direction: column;
  min-height: min(72vh, 640px);
  border: 1px solid var(--dh-border);
  border-radius: 14px;
  background: var(--dh-surface);
  box-shadow: var(--dh-shadow);
  overflow: hidden;
}
.dh-chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 0.75rem;
  overscroll-behavior: contain;
}
.dh-chatbot-msg {
  display: flex;
  gap: 12px;
  margin-bottom: 1rem;
  max-width: 52rem;
}
.dh-chatbot-msg--user {
  justify-content: flex-end;
}
.dh-chatbot-msg__avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--dh-navy) 12%, var(--dh-elevated));
  color: var(--dh-navy);
}
.dh-chatbot-msg__body {
  min-width: 0;
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--dh-elevated);
  border: 1px solid var(--dh-border);
}
.dh-chatbot-msg--user .dh-chatbot-msg__body,
.dh-chatbot-msg__body--user {
  background: color-mix(in srgb, var(--dh-navy) 8%, var(--dh-surface));
  border-color: color-mix(in srgb, var(--dh-navy) 18%, var(--dh-border));
}
.dh-chatbot-msg__name {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dh-muted);
}
.dh-chatbot-msg__text {
  font-size: var(--dh-text-sm);
  line-height: var(--dh-leading-relaxed);
  color: var(--dh-text);
}
.dh-chatbot-msg__text p {
  margin: 0 0 0.65em;
}
.dh-chatbot-msg__text p:last-child {
  margin-bottom: 0;
}
.dh-chatbot-msg__text ul {
  margin: 0.5em 0 0;
  padding-left: 1.2rem;
}
.dh-chatbot-msg__text a {
  color: var(--dh-link);
  font-weight: 500;
}
.dh-chatbot-answer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.dh-chatbot-answer-list > li {
  margin-bottom: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--dh-border);
}
.dh-chatbot-answer-list > li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}
.dh-chatbot-source {
  margin: 0.35rem 0 0 !important;
  font-size: var(--dh-text-xs);
}
.dh-chatbot-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 1.25rem 0.5rem;
  font-size: var(--dh-text-xs);
  color: var(--dh-muted);
}
.dh-chatbot-status__dots {
  display: inline-flex;
  gap: 4px;
}
.dh-chatbot-status__dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dh-muted);
  animation: dh-chatbot-pulse 1.2s ease-in-out infinite;
}
.dh-chatbot-status__dots span:nth-child(2) {
  animation-delay: 0.15s;
}
.dh-chatbot-status__dots span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes dh-chatbot-pulse {
  0%, 80%, 100% { opacity: 0.35; transform: scale(0.85); }
  40% { opacity: 1; transform: scale(1); }
}
.dh-chatbot-composer {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--dh-border);
  background: var(--dh-elevated);
}
.dh-chatbot-composer__input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  max-height: 160px;
  resize: none;
  border: 1px solid var(--dh-border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  font-size: var(--dh-text-sm);
  line-height: var(--dh-leading-normal);
  color: var(--dh-navy);
  background: var(--dh-surface);
  outline: none;
}
.dh-chatbot-composer__input:focus {
  border-color: color-mix(in srgb, var(--dh-accent) 45%, var(--dh-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dh-accent) 18%, transparent);
}
.dh-chatbot-composer__send {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  background: var(--btn-primary);
  color: var(--btn-text);
  cursor: pointer;
  transition: background var(--dh-duration) var(--dh-ease-out);
}
.dh-chatbot-composer__send:hover:not(:disabled) {
  background: var(--btn-primary-hover);
}
.dh-chatbot-composer__send:disabled {
  opacity: 0.55;
  cursor: wait;
}
.dh-chatbot-composer__send:focus-visible {
  outline: 2px solid var(--dh-accent);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .dh-chatbot-layout {
    grid-template-columns: 1fr;
  }
  .dh-chatbot-sidebar {
    position: static;
    max-height: none;
  }
  .dh-chatbot-panel {
    min-height: 60vh;
  }
}

/* AI Chat — fixed viewport app (overrides above) */
body.dh-body--chatbot {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}
body.dh-body--chatbot .dh-layout--chatbot {
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  overflow: hidden;
}
body.dh-body--chatbot .dh-maincol--chatbot {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
body.dh-body--chatbot .dh-sticky-header {
  flex-shrink: 0;
}
body.dh-body--chatbot .dh-page--chatbot {
  flex: 1;
  min-height: 0;
  padding: 0 var(--dh-gutter);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.dh-body--chatbot .dh-page--chatbot,
body.dh-body--chatbot .dh-chatbot-section {
  padding-top: 0;
}
body.dh-body--chatbot .dh-chatbot-app {
  flex: 1;
  min-height: 0;
  width: 100%;
  max-width: var(--dh-content-max);
  margin: 0 auto;
  padding: 12px 0 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.dh-body--chatbot .dh-chatbot-layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  overflow: hidden;
}
body.dh-body--chatbot .dh-chatbot-sidebar {
  position: static;
  top: auto;
  max-height: none;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
body.dh-body--chatbot .dh-chatbot-tools {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  background: linear-gradient(165deg, var(--dh-surface) 0%, var(--dh-elevated) 100%);
  box-shadow: var(--dh-shadow-card);
  overflow-y: auto;
}
body.dh-body--chatbot .dh-chatbot-tools__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
body.dh-body--chatbot .dh-chatbot-sidebar-close {
  display: none;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dh-border);
  border-radius: 8px;
  background: var(--dh-surface);
  color: var(--dh-muted);
  cursor: pointer;
}
body.dh-body--chatbot .dh-chatbot-scope {
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}
body.dh-body--chatbot .dh-chatbot-scope__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
body.dh-body--chatbot .dh-chatbot-scope__pill {
  padding: 6px 12px;
  border: 1px solid var(--dh-border);
  border-radius: 999px;
  background: var(--dh-surface);
  font: inherit;
  font-size: var(--dh-text-xs);
  font-weight: 600;
  color: var(--dh-navy);
  cursor: pointer;
  transition: border-color var(--dh-duration) var(--dh-ease-out), background var(--dh-duration) var(--dh-ease-out);
}
body.dh-body--chatbot .dh-chatbot-scope__pill.is-active {
  background: var(--btn-primary);
  border-color: var(--btn-primary);
  color: var(--btn-text);
}
body.dh-body--chatbot .dh-chatbot-prompt {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--dh-duration) var(--dh-ease-out);
}
body.dh-body--chatbot .dh-chatbot-prompt__icon {
  flex-shrink: 0;
  color: var(--dh-link);
  font-weight: 700;
}
body.dh-body--chatbot .dh-chatbot-prompt:hover {
  transform: translateX(2px);
}
body.dh-body--chatbot .dh-chatbot-clear {
  margin-top: auto;
  padding-top: 1rem;
  gap: 6px;
}
body.dh-body--chatbot .dh-chatbot-main {
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.dh-body--chatbot .dh-chatbot-panel {
  flex: 1;
  min-height: 0;
  border-radius: 18px;
  box-shadow: var(--dh-shadow-card);
}
body.dh-body--chatbot .dh-chatbot-panel__head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--dh-border);
  background: linear-gradient(135deg, color-mix(in srgb, var(--btn-primary) 92%, #000) 0%, var(--btn-primary) 55%, color-mix(in srgb, var(--mos-dark-teal) 70%, var(--btn-primary)) 100%);
  color: var(--btn-text);
}
body.dh-body--chatbot .dh-chatbot-panel__menu {
  display: none;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--btn-text) 25%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--btn-text) 8%, transparent);
  color: inherit;
  cursor: pointer;
}
body.dh-body--chatbot .dh-chatbot-panel__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
body.dh-body--chatbot .dh-chatbot-panel__icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--mos-blaze-orange) 90%, #fff);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}
body.dh-body--chatbot .dh-chatbot-panel__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}
body.dh-body--chatbot .dh-chatbot-panel__status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 2px 0 0;
  font-size: 0.72rem;
  opacity: 0.88;
}
body.dh-body--chatbot .dh-chatbot-panel__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ee7a0;
}
body.dh-body--chatbot .dh-chatbot-panel__status.is-busy .dh-chatbot-panel__dot,
body.dh-body--chatbot .dh-chatbot-panel__status.is-loading .dh-chatbot-panel__dot {
  animation: dh-chatbot-pulse-dot 1s ease-in-out infinite;
}
@keyframes dh-chatbot-pulse-dot {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); }
}
body.dh-body--chatbot .dh-chatbot-messages-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, color-mix(in srgb, var(--mos-light-blue) 18%, transparent), transparent 70%), var(--dh-elevated);
}
body.dh-body--chatbot .dh-chatbot-messages {
  flex: 1;
  min-height: 0;
  scroll-behavior: smooth;
}
body.dh-body--chatbot .dh-chatbot-starters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0.5rem 0 1rem 48px;
  max-width: 36rem;
}
body.dh-body--chatbot .dh-chatbot-welcome--hidden .dh-chatbot-starters {
  display: none;
}
body.dh-body--chatbot .dh-chatbot-starter {
  padding: 8px 14px;
  border: 1px dashed color-mix(in srgb, var(--dh-link) 45%, var(--dh-border));
  border-radius: 999px;
  background: var(--dh-surface);
  font: inherit;
  font-size: var(--dh-text-xs);
  font-weight: 500;
  color: var(--dh-navy);
  cursor: pointer;
  transition: border-color var(--dh-duration) var(--dh-ease-out), transform var(--dh-duration) var(--dh-ease-out);
}
body.dh-body--chatbot .dh-chatbot-starter:hover {
  border-style: solid;
  border-color: var(--dh-link);
  transform: translateY(-1px);
}
body.dh-body--chatbot .dh-chatbot-msg {
  max-width: min(92%, 40rem);
}
body.dh-body--chatbot .dh-chatbot-msg--animate {
  animation: dh-chatbot-msg-in 0.35s var(--dh-ease-out) both;
}
@keyframes dh-chatbot-msg-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
body.dh-body--chatbot .dh-chatbot-msg--user {
  margin-left: auto;
  flex-direction: row-reverse;
  max-width: min(85%, 32rem);
}
body.dh-body--chatbot .dh-chatbot-msg__avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(145deg, var(--btn-primary), color-mix(in srgb, var(--mos-dark-teal) 60%, var(--btn-primary)));
  color: var(--btn-text);
}
body.dh-body--chatbot .dh-chatbot-msg--user .dh-chatbot-msg__avatar {
  display: none;
}
body.dh-body--chatbot .dh-chatbot-msg__bubble {
  padding: 0.75rem 1rem;
  border-radius: 14px 14px 14px 4px;
  background: var(--dh-surface);
  border: 1px solid var(--dh-border);
  box-shadow: 0 1px 2px rgba(45, 49, 67, 0.04);
}
body.dh-body--chatbot .dh-chatbot-msg--user .dh-chatbot-msg__bubble {
  border-radius: 14px 14px 4px 14px;
  background: var(--btn-primary);
  border-color: var(--btn-primary);
  color: var(--btn-text);
}
body.dh-body--chatbot .dh-chatbot-msg--user .dh-chatbot-msg__name {
  color: color-mix(in srgb, var(--btn-text) 75%, transparent);
}
body.dh-body--chatbot .dh-chatbot-msg--user .dh-chatbot-msg__text {
  color: var(--btn-text);
}
body.dh-body--chatbot .dh-chatbot-typing-dots {
  display: inline-flex;
  gap: 5px;
}
body.dh-body--chatbot .dh-chatbot-typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dh-muted);
  animation: dh-chatbot-typing 1.2s ease-in-out infinite;
}
body.dh-body--chatbot .dh-chatbot-typing-dots span:nth-child(2) { animation-delay: 0.15s; }
body.dh-body--chatbot .dh-chatbot-typing-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes dh-chatbot-typing {
  0%, 80%, 100% { opacity: 0.35; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-4px); }
}
body.dh-body--chatbot .dh-chatbot-sources {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 0.5rem;
}
body.dh-body--chatbot .dh-chatbot-source-card {
  padding: 10px 12px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--dh-elevated) 80%, var(--dh-surface));
  border: 1px solid var(--dh-border);
}
body.dh-body--chatbot .dh-chatbot-source-card p {
  margin: 0 0 0.5rem;
  font-size: var(--dh-text-xs);
}
body.dh-body--chatbot .dh-chatbot-scroll {
  position: absolute;
  right: 16px;
  bottom: 12px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dh-border);
  border-radius: 50%;
  background: var(--dh-surface);
  box-shadow: var(--dh-shadow);
  cursor: pointer;
  z-index: 2;
}
body.dh-body--chatbot .dh-chatbot-composer {
  flex-shrink: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 12px 16px 14px;
  background: var(--dh-surface);
}
body.dh-body--chatbot .dh-chatbot-composer__box {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 6px 6px 6px 14px;
  border: 1px solid var(--dh-border);
  border-radius: 14px;
  background: var(--dh-elevated);
}
body.dh-body--chatbot .dh-chatbot-composer__input {
  border: 0;
  background: transparent;
  max-height: 120px;
  padding: 8px 0;
}
body.dh-body--chatbot .dh-chatbot-composer__send {
  background: var(--mos-blaze-orange);
  border-radius: 10px;
}
body.dh-body--chatbot .dh-chatbot-composer__send:not(:disabled):hover {
  background: var(--mos-blaze-dark);
  transform: scale(1.04);
}
body.dh-body--chatbot .dh-chatbot-composer__hint {
  margin: 6px 0 0;
  font-size: 0.68rem;
  color: var(--dh-muted);
  text-align: center;
}
body.dh-body--chatbot .dh-chatbot-sidebar-scrim {
  display: none;
}
@media (max-width: 900px) {
  body.dh-body--chatbot .dh-chatbot-sidebar-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 80;
    background: rgba(26, 58, 92, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dh-duration-slow) var(--dh-ease-out);
  }
  body.dh-body--chatbot .dh-chatbot-sidebar-scrim:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
  }
  body.dh-body--chatbot .dh-chatbot-sidebar {
    position: fixed;
    top: var(--dh-topbar-h);
    left: 0;
    bottom: 0;
    width: min(300px, 88vw);
    z-index: 90;
    padding: 12px;
    transform: translateX(-105%);
    transition: transform var(--dh-duration-slow) var(--dh-ease-out);
  }
  body.dh-body--chatbot.dh-chatbot-sidebar-open .dh-chatbot-sidebar {
    transform: translateX(0);
  }
  body.dh-body--chatbot .dh-chatbot-sidebar-close,
  body.dh-body--chatbot .dh-chatbot-panel__menu {
    display: inline-flex;
  }
  body.dh-body--chatbot .dh-chatbot-starters {
    margin-left: 0;
  }
  body.dh-body--chatbot .dh-layout--chatbot {
    height: 100dvh;
    min-height: 0;
  }
}

/* —— Global UX (manual-ux.js) —— */
.dh-read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
  background: transparent;
}
.dh-read-progress__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--mos-blaze-orange), var(--mos-blaze-dark));
  transition: width 80ms var(--dh-ease-out);
}
.dh-back-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 120;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--dh-border);
  border-radius: 50%;
  background: var(--dh-surface);
  color: var(--dh-navy);
  box-shadow: var(--dh-shadow-card);
  cursor: pointer;
  transition: transform var(--dh-duration) var(--dh-ease-out), box-shadow var(--dh-duration) var(--dh-ease-out), opacity var(--dh-duration) var(--dh-ease-out);
}
.dh-back-top:not([hidden]) {
  animation: dh-fade-in var(--dh-duration-slow) var(--dh-ease-out);
}
.dh-back-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--dh-shadow-hover);
  color: var(--dh-link);
}
.dh-back-top:focus-visible {
  outline: 2px solid var(--dh-accent);
  outline-offset: 2px;
}
@keyframes dh-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.dh-shortcuts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--dh-border);
  border-radius: 10px;
  background: var(--dh-surface);
  color: var(--dh-muted);
  cursor: pointer;
  transition: color var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out), background var(--dh-duration) var(--dh-ease-out);
}
.dh-shortcuts-btn:hover {
  color: var(--dh-navy);
  border-color: var(--dh-border-strong);
  background: var(--dh-elevated);
}
.dh-shortcuts-btn:focus-visible {
  outline: 2px solid var(--dh-accent);
  outline-offset: 2px;
}
.dh-shortcuts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--dh-text-sm);
}
.dh-shortcuts-table th {
  text-align: left;
  font-weight: 600;
  color: var(--dh-navy);
  padding: 10px 16px 10px 0;
  white-space: nowrap;
  vertical-align: top;
}
.dh-shortcuts-table td {
  padding: 10px 0;
  color: var(--dh-text);
}
.dh-breadcrumbs {
  margin: 0 0 var(--dh-space-after-lede);
  padding: 0 var(--dh-gutter);
  max-width: var(--dh-content-max);
}
.dh-breadcrumbs--above-title {
  margin: 0 0 0.75rem;
  padding: 0;
  max-width: none;
}
.dh-home-section > .dh-breadcrumbs--above-title,
.dh-glossary-main > .dh-breadcrumbs--above-title,
.dh-doc--legal > .dh-breadcrumbs--above-title {
  width: 100%;
}
.dh-breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--dh-text-xs);
  line-height: var(--dh-leading-snug);
}
.dh-breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: var(--dh-muted);
  font-weight: 400;
}
.dh-breadcrumbs__item a {
  color: var(--dh-muted);
  font-weight: 500;
  text-decoration: none;
}
.dh-breadcrumbs__item a:hover {
  color: var(--dh-link);
}
.dh-breadcrumbs__item span {
  color: var(--dh-navy);
  font-weight: 600;
}
body.dh-body--inner .dh-breadcrumbs {
  padding: 12px var(--dh-gutter) 0;
  margin-bottom: 0;
}
.dh-toast-region {
  position: fixed;
  bottom: clamp(72px, 12vh, 96px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  max-width: min(90vw, 24rem);
}
.dh-toast {
  margin: 0;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: var(--dh-text-sm);
  font-weight: 500;
  line-height: var(--dh-leading-snug);
  color: var(--btn-text);
  background: var(--dh-navy);
  box-shadow: var(--dh-shadow-card);
  animation: dh-toast-in var(--dh-duration-slow) var(--dh-ease-out);
}
.dh-toast--success {
  background: var(--mos-dark-teal);
}
.dh-toast--error {
  background: #9b2c2c;
}
.dh-toast.is-leaving {
  animation: dh-toast-out 200ms var(--dh-ease-out) forwards;
}
@keyframes dh-toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes dh-toast-out {
  to { opacity: 0; transform: translateY(6px); }
}
.dh-doc h2.dh-heading--enhanced,
.dh-doc h3.dh-heading--enhanced {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.dh-heading-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--dh-duration) var(--dh-ease-out);
}
.dh-doc h2:hover .dh-heading-actions,
.dh-doc h3:hover .dh-heading-actions,
.dh-doc h2:focus-within .dh-heading-actions,
.dh-doc h3:focus-within .dh-heading-actions {
  opacity: 1;
}
.dh-heading-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--dh-muted);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--dh-duration) var(--dh-ease-out), background var(--dh-duration) var(--dh-ease-out);
}
.dh-heading-action:hover {
  color: var(--dh-link);
  background: color-mix(in srgb, var(--dh-link) 12%, var(--dh-surface));
}
.dh-heading-action:focus-visible {
  outline: 2px solid var(--dh-accent);
  outline-offset: 2px;
  opacity: 1;
}
.dh-codeblock {
  position: relative;
  margin: 1rem 0;
}
.dh-codeblock pre {
  margin: 0;
}
.dh-codeblock__copy {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--dh-border);
  border-radius: 6px;
  background: var(--dh-surface);
  color: var(--dh-muted);
  font-size: var(--dh-text-xs);
  font-weight: 600;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dh-duration) var(--dh-ease-out), color var(--dh-duration) var(--dh-ease-out), border-color var(--dh-duration) var(--dh-ease-out);
}
.dh-codeblock:hover .dh-codeblock__copy,
.dh-codeblock__copy:focus-visible {
  opacity: 1;
}
.dh-codeblock__copy:hover {
  color: var(--dh-navy);
  border-color: var(--dh-border-strong);
}
.dh-codeblock__copy.is-copied {
  opacity: 1;
  color: var(--mos-dark-teal);
  border-color: var(--mos-light-blue);
}
@media (prefers-reduced-motion: reduce) {
  .dh-read-progress__fill,
  .dh-back-top,
  .dh-toast {
    transition: none;
    animation: none;
  }
}
@media (max-width: 640px) {
  .dh-shortcuts-btn {
    display: none;
  }
  .dh-heading-actions {
    opacity: 1;
  }
}