/* Grouped .auDO public navigation.
   Loaded after audo.css when the grouped header is generated. */

/* Public masthead identity treatment. The primary formal lock-up connects the
   .au Domain Observatory descriptor to the .auDO recognition device. Keep the
   lock-up visually integrated with the page rather than enclosing it in a pill. */
.panel-top .tagline-pill {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.panel-top .tagline-pill:hover,
.panel-top .tagline-pill:focus-visible {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.panel-top .masthead-wordmark {
  width: clamp(9.5rem, 12vw, 10.75rem);
  height: auto;
}

.site-nav-grouped {
  position: relative;
  margin-left: auto;
  flex-wrap: nowrap;
}

.site-nav-grouped .site-menu-toggle,
.site-nav-grouped .site-nav-group-toggle {
  display: none;
}

.site-nav-grouped .site-nav-groups {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.site-nav-grouped .site-nav-group {
  position: relative;
  min-width: 0;
}

.site-nav-grouped .site-nav-group-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--faint);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  line-height: 1.2;
  text-transform: uppercase;
}

.site-nav-grouped .site-nav-group-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
}

.site-nav-grouped .site-nav-group-links a {
  padding: 0.3rem 0;
  font-size: 0.86rem;
}

.site-nav-grouped .site-nav-group-links a[aria-current="page"]::after {
  display: none;
}

.site-nav-grouped .site-nav-group-links a[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  box-shadow: inset 3px 0 0 var(--accent);
  color: var(--text);
  font-weight: 600;
}

.site-nav-grouped.is-enhanced .site-nav-group-label {
  display: none;
}

.panel-top .site-nav-grouped ~ .theme-toggle {
  min-height: 38px;
  padding-inline: 12px;
  font-size: 0.78rem;
}

@media (min-width: 821px) {
  .site-nav-grouped.is-enhanced .site-nav-groups {
    gap: 0.45rem;
  }

  .site-nav-grouped.is-enhanced .site-nav-group-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.55rem 0.8rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
  }

  .site-nav-grouped.is-enhanced .site-nav-group-chevron {
    color: var(--faint);
    transition: color var(--t), transform var(--t);
  }

  .site-nav-grouped.is-enhanced .site-nav-group-toggle:hover,
  .site-nav-grouped.is-enhanced .site-nav-group-toggle:focus-visible,
  .site-nav-grouped.is-enhanced .site-nav-group.is-open .site-nav-group-toggle {
    border-color: color-mix(in srgb, var(--accent) 42%, var(--border-strong));
    background: color-mix(in srgb, var(--accent) 8%, transparent);
    color: var(--text);
  }

  .site-nav-grouped.is-enhanced .site-nav-group-toggle:hover .site-nav-group-chevron,
  .site-nav-grouped.is-enhanced .site-nav-group-toggle:focus-visible .site-nav-group-chevron,
  .site-nav-grouped.is-enhanced .site-nav-group.is-open .site-nav-group-chevron,
  .site-nav-grouped.is-enhanced .site-nav-group.is-active .site-nav-group-chevron {
    color: var(--accent);
  }

  .site-nav-grouped.is-enhanced .site-nav-group.is-active .site-nav-group-toggle {
    border-color: color-mix(in srgb, var(--accent) 24%, transparent);
    background: color-mix(in srgb, var(--accent) 6%, transparent);
    color: var(--text);
  }

  .site-nav-grouped.is-enhanced .site-nav-group.is-active .site-nav-group-toggle::before {
    content: "";
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 11px color-mix(in srgb, var(--accent) 44%, transparent);
  }

  .site-nav-grouped.is-enhanced .site-nav-group-links {
    display: none;
    position: absolute;
    z-index: 30;
    top: calc(100% + 0.55rem);
    right: 0;
    width: max-content;
    min-width: 220px;
    max-width: min(320px, 80vw);
    padding: 0.55rem;
    border: 1px solid var(--border-strong);
    border-top-color: color-mix(in srgb, var(--accent) 64%, var(--border-strong));
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
    box-shadow:
      inset 0 2px 0 color-mix(in srgb, var(--accent) 34%, transparent),
      var(--shadow-soft);
  }

  .site-nav-grouped.is-enhanced .site-nav-group.is-open .site-nav-group-links {
    display: grid;
    gap: 0.15rem;
  }

  .site-nav-grouped.is-enhanced .site-nav-group-links a {
    display: block;
    min-height: 42px;
    padding: 0.6rem 0.7rem;
    border-radius: var(--radius-sm);
    color: var(--muted);
    font-size: 0.86rem;
  }

  .site-nav-grouped.is-enhanced .site-nav-group-links a:hover,
  .site-nav-grouped.is-enhanced .site-nav-group-links a:focus-visible {
    background: color-mix(in srgb, var(--accent) 7%, transparent);
    color: var(--text);
  }

  .site-nav-grouped.is-enhanced .site-nav-group-links a[aria-current="page"] {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    box-shadow: inset 3px 0 0 var(--accent);
    color: var(--text);
  }
}

@media (max-width: 820px) {
  .panel-top {
    align-items: center;
  }

  .panel-top .masthead-wordmark {
    width: 8.5rem;
  }

  .site-nav-grouped {
    order: 3;
    width: 100%;
    flex: 1 0 100%;
    margin-left: 0;
  }

  .site-nav-grouped .site-nav-groups {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .site-nav-grouped .site-nav-group {
    padding-top: 0.7rem;
    border-top: 1px solid var(--border);
  }

  .site-nav-grouped .site-nav-group:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .site-nav-grouped .site-nav-group.is-active {
    border-top-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  }

  .site-nav-grouped .site-nav-group-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .site-nav-grouped .site-nav-group-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.6rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
  }

  .site-nav-grouped.is-enhanced .site-menu-toggle {
    width: 100%;
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.035);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
  }

  .site-nav-grouped.is-enhanced .site-menu-toggle-icon {
    color: var(--faint);
    font-size: 1.2rem;
    line-height: 1;
    transition: color var(--t), transform var(--t-interactive);
  }

  .site-nav-grouped.is-enhanced.is-menu-open .site-menu-toggle {
    border-color: color-mix(in srgb, var(--accent) 42%, var(--border-strong));
    background: color-mix(in srgb, var(--accent) 8%, transparent);
  }

  .site-nav-grouped.is-enhanced.is-menu-open .site-menu-toggle-icon {
    color: var(--accent);
    transform: rotate(45deg);
  }

  .site-nav-grouped.is-enhanced .site-nav-groups {
    display: none;
    margin-top: 0.65rem;
    padding: 0.85rem;
    border: 1px solid var(--border);
    border-top-color: color-mix(in srgb, var(--accent) 58%, var(--border));
    border-radius: var(--radius-md);
    background: rgba(13, 24, 40, 0.92);
    box-shadow: inset 0 2px 0 color-mix(in srgb, var(--accent) 30%, transparent);
  }

  .site-nav-grouped.is-enhanced.is-menu-open .site-nav-groups {
    display: grid;
  }

  .site-nav-grouped.is-enhanced .site-nav-group-label {
    display: block;
    margin: 0 0 0.25rem 0.65rem;
  }

  .site-nav-grouped.is-enhanced .site-nav-group.is-active .site-nav-group-label {
    color: var(--accent);
  }

  .site-nav-grouped.is-enhanced .site-nav-group-links {
    display: grid;
  }
}

[data-theme="light"] .site-nav-grouped.is-enhanced .site-nav-group-links,
[data-theme="light"] .site-nav-grouped.is-enhanced .site-nav-groups {
  background: rgba(248, 250, 252, 0.98);
}

/* Ordered-list breadcrumb enhancement. The base .breadcrumb rules in audo.css
   continue to support legacy flat markup until the deterministic rollout lands. */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--faint);
}

.breadcrumb li span[aria-current="page"] {
  color: var(--muted);
}