.account-nav { display: flex; align-items: center; gap: 8px; }
.site-theme-control { position: relative; flex: none; }
.site-theme-control [hidden] { display: none; }
.site-theme-control svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.site-theme-trigger {
  position: relative; display: grid; place-items: center; width: 38px; height: 38px;
  padding: 0; border: 1px solid var(--line); border-radius: 50%;
  background: transparent; color: var(--ink); cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease;
}
.site-theme-trigger > svg { width: 18px; height: 18px; }
.site-theme-trigger::after { content: ""; position: absolute; inset: -3px; }
.site-theme-trigger:hover, .site-theme-trigger[aria-expanded="true"] { background: var(--surface); border-color: var(--muted); }
.site-theme-menu {
  position: absolute; z-index: 60; top: calc(100% + 10px); right: 0;
  width: 176px; padding: 6px; border-radius: 12px;
  background: var(--paper); color: var(--ink);
  box-shadow: 0 8px 32px rgb(0 0 0 / .16);
}
.site-theme-menu button {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px;
  padding: 8px 10px; border: 0; border-radius: 7px; background: transparent;
  color: inherit; font: inherit; font-size: 14px; line-height: 1.4; text-align: left; cursor: pointer;
}
.site-theme-menu button:hover, .site-theme-menu button:focus-visible { background: var(--surface); }
.site-theme-menu button[aria-checked="true"] { font-weight: 600; }
.site-theme-menu .site-theme-check { width: 16px; height: 16px; margin-left: auto; visibility: hidden; }
.site-theme-menu [aria-checked="true"] .site-theme-check { visibility: visible; }
.site-theme-trigger:focus-visible, .site-theme-menu button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.site-theme-menu button:focus-visible { outline-offset: -2px; }
@media (max-width: 600px) { .account-nav { gap: 8px; } .site-theme-trigger { width: 36px; height: 36px; } .site-theme-trigger::after { inset: -4px; } }
@media (prefers-reduced-motion: reduce) { .site-theme-trigger { transition: none; } }
@media (forced-colors: active) { .site-theme-menu { border: 1px solid CanvasText; } }