/* ── Shared Navigation (atlas shell) ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.logo-link {
  color: var(--ink);
  text-decoration: none;
}

.header-right {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-link:active,
.lang-toggle:active {
  transform: translateY(1px);
}

/* ── Catalog dropdown ── */
.nav-dropdown {
  position: relative;
  display: inline-flex;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

.nav-dropdown-caret {
  font-size: 0.75em;
  transition: transform 0.15s ease;
}

.nav-dropdown.is-open .nav-dropdown-caret {
  transform: rotate(180deg);
}

.nav-dropdown-list {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 190px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--paper, #fff);
  border: 1px solid var(--line, #d5d1c8);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(20, 18, 15, 0.12);
  z-index: 60;
}

.nav-dropdown.is-open .nav-dropdown-list {
  display: block;
}

.nav-dropdown-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  min-height: 44px;
  border-radius: 7px;
  color: var(--ink, #171513);
  text-decoration: none;
  font-size: 13px;
}

.nav-dropdown-list a:hover,
.nav-dropdown-list a:focus-visible {
  background: var(--surface, #f4f2ec);
}

.nav-dropdown-list a[data-catalog-current="true"] {
  font-weight: 700;
}

.nav-dropdown-list a[aria-disabled="true"] {
  color: var(--ink-muted, #999);
  cursor: not-allowed;
}

.nav-dropdown-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--line, #d5d1c8);
  color: var(--ink-muted, #888);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .nav-dropdown-list {
    position: fixed;
    left: 12px;
    right: 12px;
    top: auto;
    min-width: 0;
  }
}

@media (max-width: 820px) {
  .site-header {
    padding: 0 12px;
  }

  .header-inner {
    gap: 10px;
  }

  .header-right { gap: 6px; }

  .nav-link,
  .lang-toggle,
  .header-count {
    padding: 4px 8px;
    font-size: 11px;
  }
}

@media (max-width: 640px) {
  .header-inner {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-block: 10px;
  }

  .header-right {
    justify-content: flex-start;
    width: 100%;
  }

  /* toolbar/search leaves the header plane and flows after it */
  .filter-bar,
  .effects-toolbar {
    position: static;
  }

  .search-input,
  .search-input:focus {
    width: 100%;
    min-width: 0;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-link:active,
  .lang-toggle:active {
    transform: none;
  }
}