/* Mobile chrome only. The full tree comes from the desktop Wiki blueprint. */
.nav-toggle {
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-toggle svg, .mobile-nav-close svg { flex-shrink: 0; }
.mobile-nav-panel {
  inset: 0;
  width: 100%;
  max-width: 100%;
  height: 100dvh;
  max-height: 100dvh;
  padding: 0;
  border: 0;
  overflow: hidden;
  overscroll-behavior: contain;
}
.mobile-nav-panel[open] { display: flex; flex-direction: column; }
.mobile-nav-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-height: 76px;
  padding: max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));
  border-bottom: 1px solid var(--ref-border);
}
.mobile-nav-header .brand { flex: 1 1 0; min-width: 0; margin: 0; }
.mobile-nav-controls { display: flex; align-items: center; gap: 4px; }
.mobile-nav-controls .theme-toggle { margin: 0; }
.mobile-nav-close {
  position: static;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
}
.mobile-nav-links {
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px max(16px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}
.mobile-nav-links a { text-decoration: none; overflow-wrap: anywhere; }
.mobile-nav-links > a, .mobile-nav-groups summary, .mobile-nav-groups > a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px;
  border-radius: 8px;
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
}
.mobile-nav-groups details { margin: 4px 0; }
.mobile-nav-groups summary { list-style: none; cursor: pointer; }
.mobile-nav-groups summary::-webkit-details-marker { display: none; }
.mobile-nav-groups summary::after {
  content: '';
  width: 7px;
  height: 7px;
  margin-left: auto;
  margin-right: 4px;
  flex-shrink: 0;
  border: solid currentColor;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.mobile-nav-groups details[open] > summary { color: var(--color-accent); background: var(--ref-muted); }
.mobile-nav-groups details[open] > summary::after { transform: rotate(225deg); }
.mobile-nav-groups .wiki-category-icon { width: 24px; height: 24px; border: 0; border-radius: 0; background: transparent; color: inherit; }
.mobile-nav-groups .wiki-category-icon :is(svg,img) { width: 22px; height: 22px; }
.mobile-nav-groups details > a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  margin-left: 24px;
  padding: 12px 8px 12px 16px;
  border-left: 2px solid var(--ref-border);
  color: var(--color-muted-ink);
  font-size: 14px;
  line-height: 1.6;
}
.mobile-nav-groups details > a::before { content: '›'; color: var(--color-accent); flex-shrink: 0; }
.mobile-nav-groups details > a.mobile-nav-overview { color: var(--color-accent); }
.mobile-nav-links a:hover, .mobile-nav-links a[aria-current='page'] { color: var(--color-accent); background: var(--ref-muted); }
.mobile-nav-panel :is(a,button,summary):focus-visible, .nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }