$toolbarHeight: 32px;

.graph-explorer-toolbar {
  display: inline-flex;
  align-items: center;
  padding: 6px;
  background: var(--ge-surface);
  border: 1px solid var(--ge-border);
  border-radius: var(--ge-radius-lg);
  box-shadow: var(--ge-shadow-md);

  // lay the button group out as a flat, evenly gapped row of ghost buttons
  .graph-explorer-btn-group {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;

    > .graph-explorer-btn,
    > .graph-explorer-btn-group {
      float: none;
      margin-left: 0;
    }
  }

  .graph-explorer-btn-default {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    color: var(--ge-text-muted);

    &:hover {
      background: var(--ge-surface-3);
      border-color: transparent;
      color: var(--ge-text);
    }

    &.active {
      background: var(--ge-accent-soft);
      border-color: transparent;
      color: var(--ge-accent-hover);
    }
  }

  &__language-selector {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--ge-border);
    color: var(--ge-text-muted);
    font-size: 13px;

    > label {
      margin-right: 8px;
      margin-bottom: 0;
      font-weight: 500;
      > span { vertical-align: middle; }
    }

    > select {
      height: $toolbarHeight;
      padding: 0 10px;
      background: var(--ge-surface);
      border: 1px solid var(--ge-border-strong);
      border-radius: var(--ge-radius-sm);
      color: var(--ge-text);
      cursor: pointer;
      transition: border-color var(--ge-transition), box-shadow var(--ge-transition);

      &:focus {
        outline: none;
        border-color: var(--ge-accent);
        box-shadow: var(--ge-ring);
      }
    }
  }

  &__toggle {
    line-height: 1;
  }

  &__toggle:after {
    background-position: center;
    background-repeat: no-repeat;
    content: '';
    display: block;
    height: 14px;
    margin: 2px 0;
    width: 14px;
  }

  &__toggle-left:after {
    background-image: url('../../images/left-panel.svg');
  }

  &__toggle-right:after {
    background-image: url('../../images/right-panel.svg');
  }

  &__toggle-left.active:after {
    background-image: url('../../images/left-panel-active.svg');
  }

  &__toggle-right.active:after {
    background-image: url('../../images/right-panel-active.svg');
  }

  &__layout-group {
    display: inline-flex;
    align-items: center;
    margin-left: 5px;
    height: $toolbarHeight;

    > label {
      margin-right: 5px;
      margin-bottom: 0;
    }

    .btn-group, button {
      height: 100%;
    }
  }
}

.graph-explorer-toolbar .graph-explorer-toolbar__undo,
.graph-explorer-toolbar .graph-explorer-toolbar__redo {
  display: none;
}