:root {
  --transition: 500ms;
}

[ data-dark-mode = true ] {
  --background: #222;
  --foreground: #eee;
  --X_link-color: #adf;
  --link-color: var(--ck-color-link-default);
  --highlight: orange;
  --focus-background: #111;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition: 0;
  }
}

.highlight {
  .ck-heading-dropdown {
    & > button {
      outline: 2px solid var(--highlight);
    }
  }
}

.ck.ck-editor {
  margin: 2rem 0;
}

.ck-body {
  .alt-text-help-plugin-button {
    border: 2px solid #888;
    margin: 0 1rem;
    padding: 0 .8rem;
  }
}

img {
  max-height: 300px;
}

nav {
  ul {
    display: flex;
    list-style: none;
    margin: 1rem 0 2rem;
    padding: 0;

    & > * {
      flex-basis: 100%;
      X_justify-self: stretch;
    }

    a {
      border: 1px solid #777;
      border-radius: .3rem;
      display: inline-block;
      padding: .6rem .2rem;
      text-align: center;
      width: 90%;

      &:focus,
      &:hover {
        background-color: var(--focus-background);
        border-color: #ccc;
        transition: all var(--timeout);
      }
    }
  }
}

body {
  background-color: var(--background, #fff);
  color: var(--foreground, #222);
  font-family: sans-serif;
  margin: auto;
  max-width: 45rem;
  padding: 0 1rem;

  a[ href ] {
    color: var(--link-color);
  }
}

* {
  outline-offset: .2rem;
  text-underline-offset: .2rem;
}

dialog,
alt-help-dialog::part(dialog) {
  background: #fafafa;
  color: #222;
  line-height: 1.4;
  max-width: 46rem;

  button {
    display: block;
    margin: 1rem 0;
    padding: .3rem .6rem;
  }

  a[ href ] {
    color: blue;
  }
}

@media (scripting: enabled) {
  import-content {
    iframe {
      border: none;
      height: 2rem;
    }
  }
}

my-editor {
  display: inline-block;
  min-height: 10rem;
}