html, body {
  font-family: sans;
  margin: 0;
  padding: 0;
}

.popup {
  --step: 8px;

  --color-bg: #ffffff;
  --color-text: #333333;
  --color-accent: #888888;
}

@media (prefers-color-scheme: dark) {
  .popup {
    --color-bg: #1c1c1c;
    --color-text: #eeeeee;
    --color-accent: #cccccc;
  }
}

/* Controls */

*:focus-visible {
  outline-color: var(--color-accent);
  outline-offset: 4px;
  outline-style: solid;
  outline-width: 1px;
}