/* One quiet divider keeps the dropdown distinct from the header bar. */
.site-header { --menu-header-height: 82px; }
.header-actions { position: relative; z-index: 2; background: var(--theme-bg); }
html[data-theme] .site-header .site-nav {
  border-top: 1px solid color-mix(in srgb, var(--theme-ink) 22%, transparent);
  padding-top: 10px;
  padding-bottom: 18px;
  max-height: calc(100dvh - var(--menu-header-height));
  overflow-y: auto;
  overscroll-behavior: contain;
}
.site-header .site-nav > :is(a, .login-toggle) {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  min-height: 56px;
  padding: 17px 0;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--theme-ink) 14%, transparent);
  background: transparent;
  color: var(--theme-ink);
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  text-transform: inherit;
  transition: color .2s ease;
}
html[data-theme] .site-header .site-nav > :is(a, .login-toggle):hover { color: var(--theme-accent); }
.site-header .site-nav .theme-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  min-height: 56px;
  height: auto;
  padding: 17px 0;
  border: 0;
  background: transparent;
  color: var(--theme-ink);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.theme-toggle-control { display: flex; align-items: center; gap: 12px; }
.theme-switch-track { display: block; width: 34px; height: 20px; padding: 3px; border-radius: 20px; background: var(--theme-raised); border: 1px solid var(--theme-line); }
.theme-switch-track > span { display: block; width: 12px; height: 12px; border-radius: 50%; background: var(--theme-ink); transition: transform .25s cubic-bezier(.2,.7,.2,1); }
html[data-theme="light"] .theme-switch-track > span { transform: translateX(14px); }
.site-header .site-nav .theme-toggle:hover { color: var(--theme-ink); }
@media (max-width: 980px) { .site-header { --menu-header-height: 68px; } }
@media (prefers-reduced-motion: reduce) {
  .site-header .site-nav.is-open { animation: none; }
  .site-header .site-nav > :is(a, .login-toggle),
  .theme-switch-track > span { transition: none; }
}