/* Shared by the browser editor and desktop download page. */
.theme-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  padding: 0;
  margin: 0;
  border: 1px solid var(--line, var(--download-line));
  border-radius: 50%;
  background: var(--panel, var(--download-panel));
  color: var(--text, var(--download-text));
  line-height: 1;
  cursor: pointer;
  transition: color .14s, border-color .14s;
}
.theme-btn svg { display: block; width: 18px; height: 18px; flex: none; }
.theme-btn:hover { color: var(--accent, var(--download-accent)); border-color: currentColor; }
.theme-btn:focus-visible { outline: 2px solid var(--accent, var(--download-accent)); outline-offset: 3px; }
.theme-btn .ic-sun { display: none; }
:root[data-theme="dark"] .theme-btn .ic-moon { display: none; }
:root[data-theme="dark"] .theme-btn .ic-sun { display: block; }
@media (prefers-reduced-motion: reduce) { .theme-btn { transition: none; } }