brk/website_next/chart/legend/style.css

figure[data-chart-legend] {
  figcaption {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-xs);
    text-transform: uppercase;

    header {
      display: block;
    }

    h5 {
      margin: 0;
      font-family: var(--font-mono);
      font-size: inherit;
      font-weight: inherit;
      line-height: inherit;
    }

    span:is([data-chart="unit"], [data-chart="separator"]) {
      color: var(--gray);
    }

    menu {
      display: flex;
      padding: 0.25rem 0 0.5rem;
      overflow-x: auto;
      list-style: none;
    }

    li {
      flex: 0 0 auto;
    }

    button {
      display: block;
      min-width: 8.5ch;
      padding: 0.25rem 0.375rem;
      border: 0;
      border-radius: 0.25rem;
      color: inherit;
      background: none;
      font: inherit;
      text-align: inherit;
      text-transform: inherit;
      cursor: pointer;

      @media (hover: hover) and (pointer: fine) {
        &:hover {
          color: var(--black);
          background: var(--color);

          span,
          output {
            color: inherit;
          }
        }
      }

      &[data-press] {
        color: var(--black);
        background: var(--color);

        span,
        output {
          color: inherit;
        }
      }

      &:is([data-active], [data-preview]) {
        color: var(--black);
        background: var(--color);

        span,
        output {
          color: inherit;
        }
      }

      &:focus-visible {
        outline: 1px solid var(--orange);
        outline-offset: 0.125rem;
      }

      &[data-muted] {
        opacity: 0.35;
      }

      > span {
        display: block;
        color: var(--color);
        text-align: left;

        &::before {
          content: "";
          display: inline-block;
          width: 0.5em;
          height: 0.5em;
          margin-right: 0.35em;
          margin-bottom: 0.1rem;
          border-radius: 50%;
          background: currentColor;
        }
      }

      > output {
        display: block;
        margin-top: 0.25rem;
        margin-left: auto;
        width: 7ch;
        min-height: 1em;
        color: var(--white);
        font-variant-numeric: tabular-nums;
        text-align: right;
      }
    }
  }

  &:fullscreen {
    figcaption {
      h5 {
        color: var(--white);
        font-family: var(--font-serif);
        font-size: 2rem;
        text-transform: none;
      }

      menu {
        padding-bottom: 0.5rem;
      }
    }
  }

  svg [data-series][data-muted] {
    opacity: 0.2;
  }

  svg [data-series][data-preview] {
    opacity: 1;
  }
}