/* Shared navigation and page structure. Component-specific controls live in the workspace. */
:root { --header-height: 72px; }
html { scroll-padding-top: calc(var(--header-height) + 20px); }
[hidden] { display: none !important; }
.topbar-inner { min-height: var(--header-height); gap: 20px; }
.brand { flex-shrink: 0; }
.topbar #main-nav { align-items: center; gap: 2px; }
.topbar #main-nav > a,
.topbar .nav-explore > summary { min-height: 42px; display: flex; align-items: center; padding: 10px; white-space: nowrap; font-size: 13px; }
.topbar .nav-explore > summary { background: none; border: 0; color: var(--text-secondary); font-weight: 500; }
.topbar .nav-explore > summary.active,
.topbar .nav-explore[open] > summary { color: var(--accent); background: var(--accent-soft); }
.topbar .nav-explore > summary:hover { background: var(--surface-0); color: var(--text-primary); }
.topbar .explore-panel { left: 0; right: auto; width: 440px; grid-template-columns: 1fr 1fr; gap: 12px; padding: 12px; }
.nav-group { display: grid; align-content: start; gap: 2px; min-width: 0; }
.nav-group-title { margin: 6px 10px; color: var(--text-secondary); font-size: 10px; font-weight: 700; line-height: 1.6; letter-spacing: .07em; text-transform: uppercase; }
.nav-group-divider { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; }
.dropdown-panel { max-width: calc(100vw - 24px); max-height: calc(100dvh - var(--header-height) - 20px); overflow: auto; overscroll-behavior: contain; }
.dropdown-panel a,
.dropdown-panel button { min-height: 40px; }
.account-menu > .dropdown-panel { width: 280px; }
.account-name { overflow-wrap: anywhere; }
.account-danger { padding: 8px 10px; color: var(--text-secondary); font-size: 12px; }
.account-danger > summary { cursor: pointer; padding: 4px 0; }
.account-danger .danger-link { color: var(--critical); }
.mobile-nav-extra { display: none; }
.topbar #main-nav > .nav-only-mobile { display: none; }
.workspace-nav-label { align-self: center; color: var(--text-secondary); font-size: 11px; font-weight: 600; white-space: nowrap; }
.account-links nav { gap: 8px; padding-block: 6px; align-items: center; }
.account-links a { padding: 8px 12px; border-radius: 6px; }
.account-links a:hover { color: var(--text-primary); background: var(--surface-0); }
.account-links a[aria-current] { background: var(--accent-soft); }
.account-links .workspace-nav-label { margin-right: 12px; }
.footer-inner { gap: 28px 48px; }
.site-footer .footer-navigation { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 32px; flex: 1 1 380px; }
.footer-navigation .nav-group-title { margin: 0 0 8px; }
.footer-navigation a,
.footer-navigation .link-button { padding: 5px 0; text-align: left; }
.footer-languages { flex-basis: 100%; border-top: 1px solid var(--border); padding-top: 16px; }

.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.page-heading > div:first-child { min-width: 0; max-width: 860px; }
.page-heading .subtitle { max-width: 76ch; margin-bottom: 0; line-height: 1.7; }
.page-heading-actions { display: flex; flex-wrap: wrap; gap: 8px; flex-shrink: 0; padding-top: 4px; }
.page-heading-actions .button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; }
.popular-bar { padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-1); }
.popular-bar input { flex: 1 1 220px; }
.market-switch { max-width: 100%; flex-wrap: wrap; }
.market-switch a { min-height: 40px; display: inline-flex; align-items: center; justify-content: center; }
.stock-tabs a { min-height: 44px; }
.stock-tabs { scrollbar-width: thin; }
.table-wrap { max-width: 100%; overscroll-behavior-x: contain; }
.table-wrap:focus-visible { outline-offset: 2px; }
.docs-toc { top: calc(var(--header-height) + 20px); max-height: calc(100dvh - var(--header-height) - 40px); overflow: auto; }
.docs-contents > summary { cursor: pointer; font-size: 13px; font-weight: 650; padding: 4px 0; }
.docs-toc a { display: inline-block; padding-block: 4px; }

@media (max-width: 1440px) {
  .site-search { display: none; order: 4; flex-basis: 100%; max-width: none; margin: 0 0 12px; }
  body.search-open .site-search { display: flex; }
  .search-toggle { display: block; }
  .site-search + .topbar-right { margin-left: auto; }
  .topbar-inner { flex-wrap: wrap; }
}
@media (max-width: 1200px) {
  :root { --header-height: 64px; }
  .topbar { padding-inline: 20px; }
  .topbar-inner { gap: 0 12px; }
  .topbar .menu-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; font-size: 16px; }
  .menu-toggle-label { font-size: 12px; font-weight: 600; }
  .topbar #main-nav { display: none; order: 3; width: 100%; flex-direction: column; align-items: stretch; padding: 12px 0; border-top: 1px solid var(--border); max-height: calc(100dvh - var(--header-height) - 16px); overflow-y: auto; overscroll-behavior: contain; }
  .topbar.nav-open #main-nav { display: flex; }
  .topbar #main-nav > a { padding: 10px 12px; min-height: 44px; }
  .topbar #main-nav > .nav-explore { display: none; }
  .mobile-nav-extra { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; border-top: 1px solid var(--border); margin-top: 8px; padding-top: 12px; }
  .mobile-nav-extra .nav-group-title { margin-inline: 12px; }
  .topbar .mobile-nav-extra a { min-height: 44px; padding: 10px 12px; }
  .topbar .mobile-nav-extra a[aria-current] { color: var(--accent); background: var(--accent-soft); }
  .topbar #main-nav > .nav-only-mobile { display: flex; }
  .topbar .signin-link { display: none; }
}
@media (max-width: 900px) {
  .page-heading { flex-direction: column; gap: 16px; margin-bottom: 22px; }
  .page-heading-actions { padding: 0; }
  .docs-toc { position: static; max-height: none; }
}
@media (max-width: 600px) {
  .topbar { padding-inline: 12px; }
  .topbar-inner { gap: 0 6px; }
  .topbar-right { gap: 2px; }
  .topbar .theme-toggle,
  .search-toggle { width: 40px; height: 44px; padding: 11px; }
  .lang-menu { display: block; }
  .lang-menu > summary { min-height: 40px; padding: 8px 6px !important; }
  .topbar .menu-toggle { padding: 8px; }
  .menu-toggle-label { display: none; }
  .brand { font-size: 17px; gap: 6px; }
  .brand img { width: 24px; height: 24px; }
  .account-menu > summary { min-height: 40px; }
  .mobile-nav-extra { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .mobile-nav-extra .nav-group:last-child { grid-column: 1 / -1; }
  .account-links nav { margin-inline: 12px; gap: 4px; scrollbar-width: thin; }
  .account-links a { min-height: 40px; display: flex; align-items: center; padding-inline: 10px; }
  .workspace-nav-label { display: none; }
  .page-heading-actions { width: 100%; }
  .page-heading-actions .button { flex: 1 1 auto; white-space: normal; }
  .page-heading .subtitle { font-size: 13px; }
  .popular-bar { align-items: stretch; gap: 12px; }
  .popular-bar input { max-width: none !important; width: 100%; }
  .popular-bar .market-switch { width: 100%; }
  .market-switch a { flex: 1 1 auto; }
  .footer-inner { padding: 24px 18px; }
  .site-footer .footer-navigation { gap: 24px; flex-basis: 100%; }
  .footer-navigation a,
  .footer-navigation .link-button { min-height: 40px; display: flex; align-items: center; }
  .footer-languages button { min-height: 40px; }
  input:not([type=checkbox]):not([type=radio]), select, textarea { font-size: 16px; }
}
@media (max-width: 360px) {
  .brand span { display: none; }
  .mobile-nav-extra { grid-template-columns: 1fr; }
}