zitadel/console/src/app/modules/nav-toggle/nav-toggle.component.scss

@mixin nav-toggle-theme($theme) {
  $primary: map-get($theme, primary);
  $warn: map-get($theme, warn);
  $background: map-get($theme, background);
  $accent: map-get($theme, accent);
  $primary-color: map-get($primary, 500);

  $warn-color: map-get($warn, 500);
  $accent-color: map-get($accent, 500);
  $foreground: map-get($theme, foreground);
  $is-dark-theme: map-get($theme, is-dark);
  $back: map-get($background, background);

  .nav-toggle {
    display: flex;
    align-items: center;
    font-size: 14px;
    line-height: 14px;
    padding: 0.4rem 12px;
    color: map-get($foreground, text);
    transition: all 0.2s ease;
    text-decoration: none;
    border-radius: 50vw;
    border: none;
    font-weight: 400;
    margin: 0.25rem 2px;
    white-space: nowrap;
    position: relative;
    background: none;
    cursor: pointer;
    font-family:
      'Lato',
      -apple-system,
      BlinkMacSystemFont,
      sans-serif;
    box-sizing: border-box;
    height: 27px;

    .c_label {
      display: flex;
      align-items: center;
      text-align: center;

      .count {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 17px;
        width: 17px;
        border-radius: 50%;
        padding: 2px;
        margin: -2px -9px -2px 8px;
        margin-left: 6px;
        background-color: if($is-dark-theme, #ffffff20, #00000020);
        line-height: 18px;
        font-size: 11px;
        transition: background 0.2s ease;
      }
    }

    &.external-link {
      padding-right: 2rem;

      i {
        position: absolute;
        right: 8px;
        font-size: 1.2rem;
      }
    }

    &:hover {
      background: if($is-dark-theme, #ffffff40, #00000010);
    }

    &.active {
      background-color: $primary-color;
      color: map-get($primary, default-contrast);

      .c_label {
        .count {
          background-color: if($is-dark-theme, #00000020, #ffffff20);
        }
      }
    }
  }
}