.theme-toggle {
  background: none;
  border: 1px solid var(--line);
  color: var(--ink);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 14px;
  transition: border-color .2s ease, transform .4s ease;
}

.theme-toggle:hover {
  border-color: var(--violet-bright);
  transform: rotate(20deg);
}

.theme-toggle.spin {
  animation: spin-toggle .4s ease;
}

@keyframes spin-toggle {
  from {
    transform: rotate(0deg) scale(.7);
  }

  to {
    transform: rotate(360deg) scale(1);
  }
}