.av-shared-header .av-nav { overflow: visible; }
.av-category summary.av-nav-course {
  display: inline-flex; align-items: center; gap: 5px; min-height: 36px; list-style: none; cursor: pointer;
}
.av-category summary::-webkit-details-marker { display: none; }
.av-category[open] summary.av-nav-course { background: var(--av-red); }
.av-category-panel {
  position: absolute; inset: 100% 0 auto; max-height: min(420px, 70vh); overflow: auto;
  border-top: 1px solid #eee; background: #fff; box-shadow: 0 8px 18px #171b1f18;
}
.av-category-groups {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px;
  padding-block: 22px 26px; white-space: normal;
}
.av-category-group + .av-category-group { border-left: 1px solid #eee; padding-left: 22px; }
.av-category-group ul { margin-top: 6px; padding: 0; list-style: none; }
.av-category-group li a { min-height: 29px; color: #494c51; font-size: 13px; font-weight: 500; }
.av-category-group .av-category-title { min-height: 28px; font-size: 15px; font-weight: 760; }
.av-category-action { margin-top: 6px; padding-top: 4px; border-top: 1px solid #eee; }
.av-category-group .av-category-action a { color: var(--av-red-dark); font-weight: 700; }
.av-nav > a[aria-current="page"] { color: var(--av-red-dark); }

@media (max-width: 800px) and (width > 680px) {
  .av-shared-header .av-nav { gap: 13px; font-size: 13px; }
  .av-shared-header .av-nav-muted { display: none; }
}
@media (max-width: 680px) {
  .av-shared-header .av-header-inner { display: flex; justify-content: space-between; height: 56px; }
  .av-shared-header .av-search-trigger { justify-content: center; width: 40px; padding: 0; background: transparent; color: #171b1f; }
  .av-shared-header .av-search-trigger span, .av-shared-header .av-utility { display: none; }
  .av-shared-header .av-header-tabs { display: block; padding: 0; }
  .av-shared-header .av-nav { position: static; width: auto; }
  .av-shared-header .av-nav > a { display: none; }
  .av-category summary.av-nav-course { min-width: 0; padding-inline: 9px; font-size: 12px; }
  .av-category summary.av-nav-course { position: absolute; top: 10px; right: 60px; }
  .av-category-groups { grid-template-columns: minmax(0, 1fr); gap: 11px; padding-block: 11px 16px; }
  .av-category-group + .av-category-group { border-top: 1px solid #eee; border-left: 0; padding: 9px 0 0; }
  .av-category-group ul { display: flex; flex-wrap: wrap; gap: 1px 14px; }
  .av-category-group .av-category-action { margin: 0; padding: 0; border: 0; }
}

/* Compact search dialog, including narrow screens and virtual keyboards. */
.av-search-dialog { box-sizing: border-box; width: min(440px, calc(100% - 32px)); max-height: calc(100dvh - 48px); padding: 20px; overflow: auto; overscroll-behavior: contain; }
.av-search-dialog[open] { display: flex; flex-direction: column; }
.av-search-dialog .av-search-head { margin-bottom: 12px; flex-shrink: 0; }
.av-search-dialog .av-search-head h2 { margin: 0; font-size: 16px; line-height: 1.4; }
.av-search-dialog .av-search-head .av-icon-button { width: 40px; height: 40px; }
.av-search-dialog input { box-sizing: border-box; min-width: 0; min-height: 44px; flex-shrink: 0; font: inherit; font-size: 14px; line-height: 1.5; }
.av-search-dialog input:focus-visible { outline: 2px solid #4c62dc; outline-offset: 2px; }
.av-search-dialog ul { min-height: 0; overflow-y: auto; overscroll-behavior: contain; margin: 10px 0 0; }
.av-search-dialog li a { box-sizing: border-box; display: flex; align-items: center; min-height: 44px; padding: 10px 4px; font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
@media (max-width: 680px) {
  .av-search-dialog { width: calc(100% - 24px); max-height: calc(100dvh - 32px); margin: max(16px, env(safe-area-inset-top)) auto auto; padding: 16px; border-radius: 12px; }
  .av-search-dialog input { font-size: 16px; }
  .av-search-dialog input::placeholder { font-size: 14px; }
  .av-search-dialog li a { font-size: 13px; }
}