:root {
  --site-menu-canvas: #f4f6f8;
  --site-menu-surface: #ffffff;
  --site-menu-soft: #f8fafc;
  --site-menu-ink: #0a1317;
  --site-menu-muted: #60666d;
  --site-menu-line: #d9dee4;
  --site-menu-accent: #0064e0;
  --site-menu-accent-soft: #eaf3ff;
  --site-menu-height: 56px;
  --site-menu-font:
    "Avenir Next",
    "SF Pro Text",
    "PingFang TC",
    "Noto Sans TC",
    system-ui,
    sans-serif;
  --site-menu-mono:
    ui-monospace,
    "SFMono-Regular",
    Menlo,
    Consolas,
    monospace;
}

.site-menu,
.site-menu.product-header,
.site-menu.site-header,
.site-menu.app-header,
.site-menu.masthead {
  position: sticky;
  top: 0;
  z-index: 200;
  display: grid;
  width: 100%;
  height: var(--site-menu-height);
  min-height: var(--site-menu-height);
  grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  border: 0;
  border-bottom: 1px solid var(--site-menu-line);
  background: rgba(255, 255, 255, .96);
  color: var(--site-menu-ink);
  font-family: var(--site-menu-font);
  backdrop-filter: blur(16px);
}

.site-menu__brand,
.site-menu .site-menu__brand {
  display: inline-flex;
  width: max-content;
  min-width: 0;
  align-items: center;
  gap: 9px;
  padding: 0;
  color: var(--site-menu-ink);
  font-family: var(--site-menu-font);
  letter-spacing: 0;
  line-height: 1;
  text-decoration: none;
  text-transform: none;
}

.site-menu__mark,
.site-menu .site-menu__mark {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: var(--site-menu-ink);
  color: #fff;
  font-family: var(--site-menu-font);
  font-size: 14px;
  font-weight: 850;
  letter-spacing: -.03em;
}

.site-menu__identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
}

.site-menu__identity strong {
  color: var(--site-menu-ink);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: -.035em;
  white-space: nowrap;
}

.site-menu__identity small {
  overflow: hidden;
  max-width: 150px;
  padding-left: 9px;
  border-left: 1px solid var(--site-menu-line);
  color: var(--site-menu-muted);
  font-family: var(--site-menu-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.25;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-menu__nav,
.site-menu .site-menu__nav {
  display: flex;
  width: max-content;
  height: 36px;
  align-self: center;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 3px;
  overflow: visible;
  border: 1px solid var(--site-menu-line);
  border-radius: 10px;
  background: var(--site-menu-soft);
}

.site-menu__mobile-language {
  display: none;
}

.site-menu__link,
.site-menu .site-menu__link,
.site-menu .site-menu__nav .site-menu__link {
  position: relative;
  display: flex;
  width: auto;
  min-width: 72px;
  height: 28px;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  box-shadow: none;
  color: var(--site-menu-muted);
  font-family: var(--site-menu-font);
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  white-space: nowrap;
  transition:
    background-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 120ms ease;
}

.site-menu .site-menu__link::after {
  display: none;
}

.site-menu__link:hover,
.site-menu__link:focus-visible,
.site-menu__link.is-active,
.site-menu__link.nav-link--active,
.site-menu .site-menu__link:hover,
.site-menu .site-menu__link[aria-current="page"] {
  background: var(--site-menu-surface);
  box-shadow: 0 1px 3px rgba(10, 19, 23, .1);
  color: var(--site-menu-ink);
}

.site-menu__link:active {
  transform: translateY(1px);
}

.site-menu__link[aria-current="page"] {
  cursor: default;
}

.site-menu__tools,
.site-menu .site-menu__tools {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-self: end;
  justify-content: flex-end;
  gap: 7px;
  border: 0;
}

.site-menu__tools .language-select,
.site-menu .site-menu__tools .language-select {
  width: auto;
  min-width: 62px;
  height: 30px;
  align-self: center;
  margin: 0;
  padding: 0 24px 0 9px;
  border: 1px solid var(--site-menu-line);
  border-radius: 8px;
  background: var(--site-menu-soft);
  color: var(--site-menu-muted);
  cursor: pointer;
  font-family: var(--site-menu-mono);
  font-size: 10px;
  font-weight: 700;
}

.site-menu__toggle {
  display: none;
  min-width: 72px;
  height: 34px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--site-menu-line);
  border-radius: 9px;
  background: var(--site-menu-surface);
  color: var(--site-menu-ink);
  cursor: pointer;
  font-family: var(--site-menu-font);
  font-size: 11px;
  font-weight: 750;
}

.site-menu__toggle-lines {
  position: relative;
  display: block;
  width: 14px;
  height: 10px;
  border-top: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
}

.site-menu__toggle-lines::after {
  position: absolute;
  top: 3px;
  right: 0;
  left: 0;
  border-top: 1.5px solid currentColor;
  content: "";
}

.site-menu__toggle:active {
  transform: translateY(1px);
}

.site-menu__backdrop {
  position: fixed;
  inset: var(--site-menu-height) 0 0;
  z-index: 180;
  padding: 0;
  border: 0;
  background: rgba(10, 19, 23, .42);
  cursor: default;
  backdrop-filter: blur(2px);
}

.site-menu__brand:focus-visible,
.site-menu__link:focus-visible,
.site-menu__toggle:focus-visible,
.site-menu__tools button:focus-visible,
.site-menu__tools select:focus-visible {
  outline: 2px solid rgba(0, 100, 224, .55);
  outline-offset: 2px;
}

html.site-menu-open,
html.site-menu-open body {
  overflow: hidden;
}

/* Page-specific action slots stay functional inside the shared shell. */
.home-page {
  --site-menu-height: 52px;
}

.home-page .site-menu,
.home-page .site-menu.product-header {
  height: 52px;
  min-height: 52px;
}

.site-menu .market-status {
  justify-self: auto;
}

.suite-page--research .research-version {
  gap: 8px;
  color: var(--site-menu-muted);
  font-family: var(--site-menu-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .11em;
}

.suite-page--research .research-version strong {
  color: var(--site-menu-accent);
  font-size: 22px;
}

.suite-page--analysts {
  grid-template-rows: 56px 30px minmax(0, 1fr) 28px;
}

.suite-page--analysts .site-menu.app-header {
  position: relative;
}

.site-menu .screen-control {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--site-menu-line);
  border-radius: 8px;
  background: var(--site-menu-surface);
  color: var(--site-menu-ink);
  font-family: var(--site-menu-font);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: none;
}

.site-menu .screen-control:hover,
.site-menu .screen-control:focus-visible {
  border-color: rgba(0, 100, 224, .4);
  background: var(--site-menu-accent-soft);
  color: var(--site-menu-accent);
}

.archive-picker-bar {
  position: relative;
  z-index: 9;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #2a2e35;
  background: rgba(8, 10, 12, .96);
}

.archive-page .archive-picker-bar .archive-picker {
  width: min(100%, 760px);
  min-height: 72px;
  justify-content: center;
  padding: 10px 22px;
  border: 0;
}

@media (max-width: 1100px) {
  .site-menu,
  .site-menu.product-header,
  .site-menu.site-header,
  .site-menu.app-header,
  .site-menu.masthead {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    padding-inline: 10px;
  }

  html.site-menu-ready .site-menu__toggle {
    display: inline-flex;
  }

  html.site-menu-ready .site-menu__nav,
  html.site-menu-ready .site-menu .site-menu__nav {
    position: fixed;
    top: calc(var(--site-menu-height) + 8px);
    right: 12px;
    left: 12px;
    z-index: 210;
    display: grid;
    width: auto;
    height: auto;
    justify-self: stretch;
    max-height: calc(100dvh - var(--site-menu-height) - 24px);
    align-content: start;
    gap: 3px;
    padding: 8px;
    overflow-y: auto;
    border-color: var(--site-menu-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 24px 70px rgba(17, 31, 40, .2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(.985);
    transform-origin: top center;
    transition:
      opacity 160ms ease,
      transform 160ms ease;
  }

  html.site-menu-ready .site-menu[data-menu-open="true"] .site-menu__nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  html.site-menu-ready .site-menu__link,
  html.site-menu-ready .site-menu .site-menu__link {
    min-width: 0;
    min-height: 44px;
    justify-content: flex-start;
    padding: 0 14px;
    border-radius: 9px;
    font-size: 13px;
    text-align: left;
  }

  html.site-menu-ready .site-menu__mobile-language {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(104px, 38%);
    align-items: center;
    gap: 12px;
    min-height: 52px;
    margin-top: 4px;
    padding: 4px 12px 4px 14px;
    border-top: 1px solid var(--site-menu-line);
    color: var(--site-menu-muted);
    font-family: var(--site-menu-font);
    font-size: 13px;
    font-weight: 720;
  }

  html.site-menu-ready .site-menu__mobile-language .language-select {
    width: 100%;
    height: 46px;
    min-height: 46px;
    border: 1px solid var(--site-menu-line);
    border-radius: 9px;
    background: var(--site-menu-surface);
    color: var(--site-menu-ink);
    font-family: var(--site-menu-font);
    font-size: 16px;
  }

  html:not(.site-menu-ready) .site-menu__nav {
    max-width: 58vw;
    justify-self: end;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-menu__identity small,
  .site-menu .market-status,
  .suite-page--research .research-version,
  .suite-page--analysts .header-actions .system-state,
  .suite-page--analysts .header-actions .paper-state,
  .suite-page--theses .edition,
  .archive-page .screen-control {
    display: none;
  }

  .suite-page--analysts .header-actions .icon-button {
    display: none;
  }
}

@media (max-width: 600px) {
  .site-menu__identity strong {
    display: none;
  }

  .site-menu__mark,
  .site-menu .site-menu__mark {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    border-radius: 7px;
    font-size: 13px;
  }

  .site-menu__toggle {
    min-width: 64px;
    padding-inline: 8px;
  }

  .site-menu__tools .language-select,
  .site-menu .site-menu__tools .language-select {
    min-width: 56px;
    height: 30px;
    padding-right: 18px;
    padding-left: 7px;
    font-size: 9px;
  }

  .archive-picker-bar {
    min-height: 68px;
  }

  .archive-page .archive-picker-bar .archive-picker {
    width: 100%;
    min-height: 68px;
    padding: 8px 12px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu__nav,
  .site-menu__link,
  .site-menu__toggle {
    transition: none !important;
  }
}