/* The light/dark switch in the top right corner (src/js/site.js flips data-theme). */

.theme-toggle {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: var(--bg);
  color: var(--muted);
  opacity: 0.55;
  cursor: pointer;
  transition: opacity 0.15s, border-color 0.15s;
}
.theme-toggle:hover, .theme-toggle:focus-visible {
  opacity: 1;
  border-color: var(--rule);
}
.theme-toggle:focus-visible { outline: 2px solid var(--ref); outline-offset: 2px; }
.theme-toggle svg { width: 1.05rem; height: 1.05rem; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }