/* One mobile toolbar for the homepage and game pages. Keep the existing
   desktop and no-script navigation, and inherit each page's color tokens. */
@media (max-width: 767px) {
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-header__inner {
    container: compact-site-header / inline-size;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px 44px;
    align-items: center;
    gap: 0 4px;
    min-height: 60px;
    padding-block: 8px;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible:has(
      [data-site-language-switcher]
    )
    .site-header__inner {
    grid-template-columns: minmax(0, 1fr) 44px 44px 44px;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-header__actions {
    display: contents;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .brand-link {
    grid-area: 1 / 1;
    min-width: 0;
    justify-self: start;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .wordmark {
    gap: 6px;
    font-size: 0.875rem;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .wordmark__mark {
    width: 28px;
    height: 28px;
    flex: none;
    border-radius: 8px;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .wordmark__text {
    font-size: inherit;
    line-height: 1.35;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    #tool-theme-toggle {
    grid-area: 1 / -3;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--foreground);
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .theme-switch__track {
    display: grid;
    place-items: center;
    width: auto;
    height: auto;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .theme-switch__thumb,
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .theme-switch[aria-checked="true"]
    [data-theme-icon="light"],
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .theme-switch[aria-checked="false"]
    [data-theme-icon="dark"] {
    display: none;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .theme-switch__track
    svg {
    width: 19px;
    height: 19px;
    color: inherit;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-nav-toggle {
    grid-area: 1 / -2;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: transparent;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    [data-site-language-switcher] {
    position: static;
    grid-area: 1 / 2;
    justify-self: stretch;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-language-switcher__summary {
    width: 44px;
    height: 44px;
    min-width: 44px;
    justify-content: center;
    gap: 0;
    padding: 0;
    border-radius: 10px;
    background: transparent;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-language-switcher__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-language-switcher__chevron {
    display: none;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-language-switcher__globe {
    width: 19px;
    height: 19px;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    :is(
      #tool-theme-toggle,
      .site-nav-toggle,
      .site-language-switcher__summary
    ):hover,
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-nav-toggle[aria-expanded="true"],
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    details[open]
    .site-language-switcher__summary {
    background: var(--muted);
    color: var(--primary);
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible:not([data-nav-ready])
    .site-nav {
    display: none;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible[data-nav-ready]
    .site-nav {
    position: absolute;
    inset-inline: 1rem;
    top: calc(100% + 6px);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    width: auto;
    max-width: none;
    max-height: calc(100dvh - 5rem);
    margin: 0;
    padding: 8px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    box-shadow: 0 12px 28px
      color-mix(in srgb, var(--foreground) 12%, transparent);
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible[data-nav-ready]
    .site-nav
    .nav-link {
    justify-content: flex-start;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--foreground);
    font-size: 0.9375rem;
    font-weight: 550;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible[data-nav-ready]
    .site-nav
    .nav-link:is(:hover, [data-section-active="true"], [aria-current="page"]) {
    background: var(--muted);
    color: var(--primary);
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .site-language-switcher__panel {
    inset-inline: 1rem;
    top: calc(100% + 6px);
    width: auto;
    max-height: calc(100dvh - 5rem);
    border-radius: 12px;
    box-shadow: 0 12px 28px
      color-mix(in srgb, var(--foreground) 12%, transparent);
  }
}

/* Text enlargement can use two rows without shrinking touch targets or
   clipping the wordmark. The floating menu follows the actual header edge. */
@container compact-site-header (max-width: 16em) {
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    .brand-link {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  html:root[data-header-enhanced]
    body
    header.site-header.site-header--collapsible
    :is(#tool-theme-toggle, .site-nav-toggle, [data-site-language-switcher]) {
    grid-row: 2;
  }
}