.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 46px;
  gap: 14px;
  flex-wrap: wrap;
}

.site-header--cv {
  margin-bottom: 20px;
}

.site-header__back {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  transition: color .2s;
}

.site-header__arrow {
  font-size: 15px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-header__lang {
  display: flex;
  gap: 3px;
  background: var(--card, var(--sheet, #fff));
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 3px;
}

.site-header__lang .lang {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 100px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all .18s;
}

.site-header__lang .lang.active {
  background: var(--ac);
  color: #fff;
}

#theme-toggle {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--chip);
  cursor: pointer;
  padding: 0;
  transition: background .2s, border-color .2s;
}

#theme-toggle .knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .28);
  transition: left .22s cubic-bezier(.2, .7, .2, 1);
}

#theme-toggle .knob::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: inset -3px -1px 0 0 var(--ac);
}

#theme-toggle[data-theme="dark"] {
  background: var(--ac);
  border-color: var(--ac);
}

#theme-toggle[data-theme="dark"] .knob {
  left: 24px;
}