#site-menu-content { display: contents; }
.mobile-menu-toggle, .menu-setting { display: none; }

@media (max-width: 900px) {
  .header:has(.mobile-menu-toggle:not([hidden])) {
    display: flex;
    position: relative;
    z-index: 5;
    justify-content: space-between;
    gap: 0;
    min-height: 64px;
    padding-block: 10px;
  }
  .mobile-menu-toggle:not([hidden]) {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 0 0 12px;
    min-height: 52px;
    font: inherit;
    font-size: 16px;
    color: inherit;
    background: transparent;
    border: 0;
    cursor: pointer;
  }
  .mobile-menu-toggle:not([hidden]) + #site-menu-content { display: none; }
  html:has(.menu-drawer[open]) { overflow: hidden; }
  .menu-drawer {
    position: fixed;
    inset: auto 0 0;
    margin: 0;
    width: 100%;
    max-width: none;
    height: auto;
    max-height: calc(100dvh - env(safe-area-inset-top));
    overflow-y: auto;
    overscroll-behavior: contain;
    box-sizing: border-box;
    padding: 8px 22px max(20px, env(safe-area-inset-bottom));
    border: 0;
    border-radius: 0;
    border-top: 1px solid var(--line);
    color: var(--ink);
    background: var(--paper, var(--bg));
  }
  .menu-drawer::backdrop {
    background: rgb(0 0 0 / 24%);
  }
  .drawer-close {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 52px;
    margin-inline-start: auto;
    padding: 0 4px 0 16px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
  }
  .drawer-close span:last-child { font-size: 26px; }
  .menu-drawer #site-menu-content { display: grid; }
  @media (prefers-reduced-motion: no-preference) {
    .menu-drawer[open] { animation: drawer-enter 220ms ease-out; }
    @keyframes drawer-enter { from { transform: translateY(100%); } }
  }
  #site-menu-content nav { order: 0; flex-direction: column; gap: 0; }
  #site-menu-content nav a { display: flex; align-items: center; min-height: 56px; font-size: 18px; font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line); }
  #site-menu-content nav a::after {
    content: "";
    margin-inline: auto 4px;
    width: 8px;
    height: 8px;
    border: solid currentColor;
    border-width: 1.5px 1.5px 0 0;
    transform: rotate(45deg);
  }
  #site-menu-content .header-tools {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0;
    margin: 0;
  }
  #site-menu-content .menu-setting { display: block; font-size: 16px; }
  #site-menu-content .language { justify-self: end; gap: 4px; }
  #site-menu-content .language a { display: inline-grid; place-items: center; min-width: 52px; min-height: 52px; }
  #site-menu-content .language a[aria-current="page"] {
    color: var(--paper, var(--bg)) !important;
    background: var(--ink) !important;
    text-decoration: none;
  }
  #site-menu-content .language a { border: 1px solid var(--ink); }
  #site-menu-content .language { margin-block: 5px; }
  #site-menu-content label.menu-setting {
    grid-area: 2 / 1;
    pointer-events: none;
  }
  #site-menu-content #site-theme:not([hidden]) {
    display: grid;
    place-items: center;
    grid-area: 2 / 1 / 3 / -1;
    justify-items: end;
    width: 100%;
    height: 56px;
    padding: 0;
    font-size: 0;
    border: 0;
    border-top: 1px solid var(--line);
    background: transparent;
  }
  #site-menu-content #site-theme::after {
    content: "";
    width: 42px;
    height: 24px;
    border: 1px solid currentColor;
    border-radius: 12px;
    background: radial-gradient(circle at 12px center, currentColor 8px, transparent 9px);
  }
  #site-menu-content #site-theme[aria-pressed="true"]::after {
    background: radial-gradient(circle at 30px center, currentColor 8px, transparent 9px);
  }
}