/* Documentation site chrome. Everything below the `.gl-doc-` prefix belongs
   to this site rather than to the design system it documents — including the
   width/height constants used directly below. The source design system
   defines no container-width tokens at all, so there is nothing under
   `--gl-*` for a doc shell to reach for; the Space foundation page's own
   notes say to omit that group entirely rather than invent one. */

.gl-doc-skip {
  position: absolute;
  inset-inline-start: var(--gl-space-xs);
  inset-block-start: -4rem;
  z-index: 40;
  padding: var(--gl-space-2xs) var(--gl-space-xs);
  background: var(--gl-color-surface-card);
  border: 1px solid var(--gl-color-border-default);
  border-radius: var(--gl-radius-sm);
  box-shadow: var(--gl-shadow-float);
  transition: inset-block-start var(--gl-dur-fast) var(--gl-ease);
}
.gl-doc-skip:focus { inset-block-start: var(--gl-space-2xs); }

.gl-doc-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  height: 3.5rem;
  background: color-mix(in srgb, var(--gl-color-surface-page) 92%, transparent);
  border-bottom: 1px solid var(--gl-color-border-hairline);
}
.gl-doc-header__inner {
  display: flex;
  align-items: center;
  gap: var(--gl-space-xs);
  height: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--gl-space-xs);
}

.gl-doc-wordmark {
  display: flex;
  align-items: baseline;
  gap: var(--gl-space-2xs);
  color: var(--gl-color-text-primary);
  text-decoration: none;
  font-family: var(--gl-font-sans);
  font-size: var(--gl-step-0);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.gl-doc-wordmark:hover { color: var(--gl-color-text-primary); }
.gl-doc-wordmark__mark {
  width: 1.375rem;
  height: 1.375rem;
  flex: none;
  align-self: center;
  color: var(--gl-color-accent);
}
.gl-doc-wordmark__version {
  font-family: var(--gl-font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--gl-color-text-tertiary);
}

.gl-doc-header__actions { margin-inline-start: auto; display: flex; align-items: center; gap: var(--gl-space-2xs); }

/* Shows the theme in effect, following the same selectors as tokens.css. */
[data-theme-toggle] { --gl-icon: var(--gl-icon-sun); --gl-icon-style-size: 1rem; }
:root[data-theme="dark"] [data-theme-toggle] { --gl-icon: var(--gl-icon-moon); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) [data-theme-toggle] { --gl-icon: var(--gl-icon-moon); }
}

.gl-doc-layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: var(--gl-space-l);
  max-width: 72rem;
  margin-inline: auto;
  padding: var(--gl-space-m) var(--gl-space-xs) var(--gl-space-2xl);
}

.gl-doc-sidebar {
  position: sticky;
  inset-block-start: calc(3.5rem + var(--gl-space-m));
  align-self: start;
  max-height: calc(100vh - 3.5rem - var(--gl-space-l));
  overflow-y: auto;
  padding-inline-end: var(--gl-space-2xs);
}
.gl-doc-nav__group + .gl-doc-nav__group { margin-top: var(--gl-space-s); }
.gl-doc-nav__heading {
  margin-bottom: var(--gl-space-2xs);
  font-family: var(--gl-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gl-color-text-tertiary);
}
.gl-doc-nav__link {
  display: block;
  padding: var(--gl-space-3xs) var(--gl-space-xs);
  margin-inline-start: calc(var(--gl-space-xs) * -1);
  border-inline-start: 2px solid transparent;
  border-radius: 0 var(--gl-radius-sm) var(--gl-radius-sm) 0;
  color: var(--gl-color-text-secondary);
  font-size: var(--gl-step--1);
  text-decoration: none;
  transition: color var(--gl-dur-fast) var(--gl-ease),
              background-color var(--gl-dur-fast) var(--gl-ease);
}
.gl-doc-nav__link:hover { color: var(--gl-color-text-primary); background: var(--gl-color-surface-fill); }
.gl-doc-nav__link[aria-current="page"] {
  color: var(--gl-color-accent-ink);
  border-inline-start-color: var(--gl-color-accent);
  background: var(--gl-color-accent-soft);
  font-weight: 500;
}

.gl-doc-main {
  min-width: 0;
  /* The design system's own body-text token (--gl-step-0, 18–20px) is right
     for a product screen but too large for long-form documentation prose.
     This site's own copy gets a plain, fixed 16px instead — the token above
     is unchanged, and specimen tables/demos below still show its real
     value. */
  font-size: 1rem;
}
.gl-doc-main > * { max-width: 50rem; }

.gl-doc-title { margin-bottom: var(--gl-space-xs); }
.gl-doc-title__section {
  display: block;
  margin-bottom: var(--gl-space-2xs);
  font-family: var(--gl-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gl-color-accent);
}

.gl-doc-main h2 {
  margin-block: var(--gl-space-2xl) var(--gl-space-xs);
  padding-bottom: var(--gl-space-2xs);
  border-bottom: 1px solid var(--gl-color-border-hairline);
}
.gl-doc-main h3 { margin-block: var(--gl-space-l) var(--gl-space-2xs); }
.gl-doc-main h4 { margin-block: var(--gl-space-s) var(--gl-space-2xs); }
.gl-doc-main p,
.gl-doc-main ul,
.gl-doc-main ol { max-width: 68ch; }
.gl-doc-main ul:not([class]),
.gl-doc-main ol:not([class]) { padding-inline-start: var(--gl-space-s); }

.gl-doc-footer {
  max-width: 72rem;
  margin-inline: auto;
  padding: var(--gl-space-s) var(--gl-space-xs) var(--gl-space-l);
  border-top: 1px solid var(--gl-color-border-hairline);
  color: var(--gl-color-text-tertiary);
  font-size: var(--gl-step--1);
}
.gl-doc-footer__inner { display: flex; flex-wrap: wrap; gap: var(--gl-space-xs); justify-content: space-between; }

/* `button.gl-doc-nav-toggle` (element + class) rather than a bare class:
   button.css's own base rule is `button:not(.icon-button)`, which is also
   one element + one class in specificity and sets `display: inline-flex` —
   a bare `.gl-doc-nav-toggle { display: none }` loses that fight and the
   toggle stays visible at every width. Matching its specificity here (and
   coming later in the concatenated stylesheet) settles it in source order. */
button.gl-doc-nav-toggle { display: none; }

@media (max-width: 60rem) {
  .gl-doc-layout { grid-template-columns: minmax(0, 1fr); gap: var(--gl-space-s); }
  .gl-doc-sidebar {
    position: static;
    max-height: none;
  }
  /* The toggle is a normal Button; the panel it opens gets its own card
     treatment. Putting the same card styling on the <aside> wrapper too
     nested a button-shaped box inside an outer box for no reason. */
  .gl-doc-nav {
    margin-top: var(--gl-space-xs);
    padding: var(--gl-space-xs);
    background: var(--gl-color-surface-card);
    border: 1px solid var(--gl-color-border-default);
    border-radius: var(--gl-radius-md);
  }
  .gl-doc-sidebar[data-collapsed="true"] > .gl-doc-nav { display: none; }
  button.gl-doc-nav-toggle {
    display: flex;
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 34rem) {
  .gl-doc-wordmark__version { display: none; }
  .gl-doc-layout { padding-inline: var(--gl-space-2xs); }
}