.milkdown .milkdown-top-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    background: var(--crepe-color-surface);
    padding: 0 12px;
    min-height: 44px;
    border-bottom: 1px solid
      color-mix(in srgb, var(--crepe-color-outline), transparent 80%);
    flex-wrap: wrap;
  }

    .milkdown .milkdown-top-bar .top-bar-inner {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      width: 100%;
    }

    .milkdown .milkdown-top-bar .top-bar-divider {
      width: 1px;
      background: color-mix(
        in srgb,
        var(--crepe-color-outline),
        transparent 80%
      );
      height: 24px;
      margin: 10px;
      flex-shrink: 0;
    }

    .milkdown .milkdown-top-bar .top-bar-heading-selector {
      position: relative;
      flex-shrink: 0;
      padding: 6px;
    }

    .milkdown .milkdown-top-bar .top-bar-heading-button {
      display: flex;
      align-items: center;
      text-align: left;
      padding: 4px 4px 4px 10px;
      border-radius: 4px;
      cursor: pointer;
      height: 32px;
      box-sizing: border-box;
    }

    .milkdown .milkdown-top-bar .top-bar-heading-button:hover {
        background: var(--crepe-color-hover);
      }

    .milkdown .milkdown-top-bar .top-bar-heading-button .top-bar-heading-label {
        font-family: var(--crepe-font-default);
        font-size: 14px;
        font-weight: 600;
        line-height: 20px;
        letter-spacing: 0.1px;
        color: var(--crepe-color-on-surface);
        white-space: nowrap;
        min-width: 80px;
      }

    .milkdown .milkdown-top-bar .top-bar-heading-button .top-bar-chevron {
        width: 24px;
        height: 24px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
      }

    .milkdown .milkdown-top-bar .top-bar-heading-button .top-bar-chevron svg {
          width: 16px;
          height: 16px;
          color: var(--crepe-color-outline);
          stroke: var(--crepe-color-outline);
          fill: none;
        }

    .milkdown .milkdown-top-bar .top-bar-heading-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      z-index: 20;
      background: var(--crepe-color-surface);
      box-shadow: var(--crepe-shadow-2);
      border-radius: 8px;
      padding: 8px 4px 4px;
      min-width: 160px;
    }

    .milkdown .milkdown-top-bar .top-bar-heading-option {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      text-align: left;
      width: 100%;
      padding: 8px 12px;
      border-radius: 4px;
      cursor: pointer;
      font-family: var(--crepe-font-default);
      font-size: 14px;
      font-weight: 400;
      line-height: 20px;
      color: var(--crepe-color-on-surface);
      white-space: nowrap;
    }

    .milkdown .milkdown-top-bar .top-bar-heading-option:hover {
        background: var(--crepe-color-hover);
      }

    .milkdown .milkdown-top-bar .top-bar-heading-option.active {
        font-weight: 600;
        color: var(--crepe-color-primary);
      }

    .milkdown .milkdown-top-bar .top-bar-item {
      width: 32px;
      height: 32px;
      margin: 6px;
      padding: 4px;
      cursor: pointer;
      border-radius: 4px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .milkdown .milkdown-top-bar .top-bar-item:hover {
        background: var(--crepe-color-hover);
      }

    .milkdown .milkdown-top-bar .top-bar-item:active {
        background: var(--crepe-color-selected);
      }

    .milkdown .milkdown-top-bar .top-bar-item svg {
        height: 24px;
        width: 24px;
        color: var(--crepe-color-outline);
        fill: var(--crepe-color-outline);
      }

    .milkdown .milkdown-top-bar .top-bar-item.active svg {
          color: var(--crepe-color-primary);
          fill: var(--crepe-color-primary);
        }