.mobile-navigation, .mobile-authors-link { display: none; }
@media (max-width: 767px) {
  body.has-mobile-navigation { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
  html { scroll-padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px)); }
  .has-mobile-navigation > header [data-bs-target="#header-menu"], .has-mobile-navigation > header .brand-subtitle { display: none; }
  .has-mobile-navigation .mobile-navigation { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); position: fixed; inset: auto 0 0; z-index: 45; padding: 6px max(12px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left)); background: var(--color-base-100); color: var(--color-base-content); border-top: 1px solid var(--color-base-300); }
  .mobile-navigation a, .mobile-navigation button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-height: 54px; min-width: 0; padding: 4px; font-size: 13px; line-height: 1.3; text-decoration: none; color: inherit; background: transparent; border: 0; cursor: pointer; }
  .mobile-navigation svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
  .mobile-navigation [aria-current="page"], .mobile-navigation [aria-expanded="true"] { color: var(--color-primary); font-weight: 700; }
  .mobile-navigation :focus-visible, .mobile-authors-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
  body.has-mobile-navigation > #header-menu { display: none; position: fixed; inset-inline: 12px; bottom: calc(78px + env(safe-area-inset-bottom,0px)); z-index: 44; max-height: 65dvh; overflow-y: auto; padding: 20px; border: 1px solid var(--color-base-300); border-radius: 8px; background: var(--color-base-100); color: var(--color-base-content); box-shadow: 0 -8px 30px #0002; }
  body.has-mobile-navigation > #header-menu.mobile-menu-open { display: block; }
  body > #header-menu > div { flex-wrap: wrap; overflow: visible; }
  body > #header-menu .mobile-authors-link { display: block; padding: 12px 0; margin-bottom: 10px; font-size: 16px; text-decoration: underline; text-underline-offset: 4px; }
  .has-mobile-navigation.mobile-keyboard-open .mobile-navigation { display: none; }
  .has-mobile-navigation .toast { bottom: calc(80px + env(safe-area-inset-bottom,0px)); }
  #home-search { scroll-margin-top: 110px; }
  body.has-mobile-navigation { padding-bottom: calc(var(--mobile-navigation-height, 76px) + 12px); }
  body.has-mobile-navigation > #header-menu { bottom: calc(var(--mobile-navigation-height, 76px) + 12px); }
  .has-mobile-navigation .toast { bottom: calc(var(--mobile-navigation-height, 76px) + 12px); }
}