// Style

.search-bar .filter-input-area,
.term-input-area:not(.vertical) {
  // Scrollbar style

  // Firefox
  scrollbar-width: thin;
  scrollbar-color: var(--searchbar-scrollbar-bg, @searchbar-scrollbar-bg) transparent;

  &::-webkit-scrollbar {
    display: none;
    height: .5em;
  }

  &:hover::-webkit-scrollbar {
    display: initial;
  }

  &::-webkit-scrollbar-thumb {
    border-radius: .25em;
    background: var(--searchbar-scrollbar-bg, @searchbar-scrollbar-bg);
  }
}

.search-bar,
.term-input-area {
  [data-index] input:invalid,
  [data-index] input.invalid {
    background-color: var(--search-term-invalid-bg, @search-term-invalid-bg);
    color: var(--search-term-invalid-color, @search-term-invalid-color);
  }

  [data-index] input:disabled {
    background-color: var(--search-term-disabled-bg, @search-term-disabled-bg);
  }

  .selected input {
    background-color: var(--search-term-selected-bg, @search-term-selected-bg);
    color: var(--search-term-selected-color, @search-term-selected-color);
    font-style: italic;
  }

  [data-drag-initiator] {
    cursor: grab;
  }

  .sortable-drag > label {
    border: 1px dashed var(--search-term-drag-border-color, @search-term-drag-border-color);
  }

  .sortable-ghost {
    opacity: .5;
  }
}

fieldset:disabled .term-input-area [data-drag-initiator] {
  cursor: not-allowed;
}

.invalid-reason {
  padding: .25em;
  .rounded-corners(.25em);
  border: 1px solid black;
  font-weight: bold;
  background: var(--search-term-invalid-reason-bg, @search-term-invalid-reason-bg);

  opacity: 0;
  visibility: hidden;
  transition: opacity 2s, visibility 2s;
  &.visible {
    opacity: 1;
    visibility: visible;
    transition: none;
  }
}

.search-suggestions {
  background: var(--suggestions-bg, @suggestions-bg);
  color: var(--suggestions-color, @suggestions-color);
  border: 1px solid var(--suggestions-border-color, @suggestions-border-color);
  border-bottom-right-radius: .5em;
  border-bottom-left-radius:  .5em;

  > ul {
    list-style-type: none;

    > li {
      border-top: 1px solid var(--suggestions-separation-bg, @suggestions-separation-bg);
    }
    > li.suggestion-title + li {
      border: none;
    }
    > li:not(.default) + li.suggestion-title {
      border: none;
    }
  }

  .default {
    color: var(--suggestions-default-opt-color, @suggestions-default-opt-color);
    font-style: italic;

    [type="button"] {
      background-color: var(--suggestions-default-opt-bg, @suggestions-default-opt-bg);
    }
  }

  .suggestion-title {
    font-size: 80%;
  }

  .failure-message {
    font-weight: bold;

    em {
      font-weight: normal;
      color: var(--suggestions-failure-message-color, @suggestions-failure-message-color);
    }
  }

  .nothing-to-suggest {
    color: var(--suggestions-color, @suggestions-color);
  }

  .relation-path {
    padding: 0 .2em;
    background-color: var(--suggestions-relation-path-bg, @suggestions-relation-path-bg);
  }

  [type="button"] {
    .appearance(none);
    border: none;
    background: none;
  }

  [type="button"]:focus,
  [type="button"].selected {
    background: var(--suggestions-focus-bg, @suggestions-focus-bg);
    color: var(--suggestions-focus-color, @suggestions-focus-color);
    outline: none;

    .relation-path {
      background-color: var(--suggestions-relation-path-focus-bg, @suggestions-relation-path-focus-bg);
    }
  }

  [type="button"]:not(:focus):hover,
  [type="button"]:not(.selected):hover {
    background: var(--suggestions-hover-bg, @suggestions-hover-bg);
  }
}

// Layout
.search-bar .filter-input-area,
.term-input-area:not(.vertical) {
  overflow: auto hidden;
  overflow-x: overlay; // Not invalid, but proprietary feature by chrome/webkit
  display: flex;
  flex-wrap: nowrap;
  width: 100%;
  height: ~"calc(2em + 10px)"; // Search bar height + approximate scrollbar height

  // Lets inputs grow based on their contents, Inspired by https://css-tricks.com/auto-growing-inputs-textareas/
  label {
    position: relative;
    display: inline-block;
    min-width: 2em;
    height: 100%;

    &::after,
    input {
      width: auto;
      padding: .25em .5em;
      resize: none;
    }

    input {
      width: 100%;
      position: absolute;
      top: 0;
      line-height: 20/12; // 20 (px) desired / default font size (px)
    }

    &::after {
      height: 0;
      content: attr(data-label);
      visibility: hidden;
      white-space: nowrap;
      padding: 0 7/12em; // 7 (px) desired / default font size (px)
    }
  }

  > label {
    flex: 1 0 auto;

    &::after,
    input {
      max-width: none;
      min-width: 8em;
    }
  }

  > .terms {
    display: inline;
    flex-shrink: 0;

    label {
      margin-right: 1px;
    }
  }
}

.term-input-area.vertical {
  display: flex;
  flex-direction: column-reverse;

  @itemGap: 1px;

  > .terms {
    margin-top: @itemGap;

    input {
      text-overflow: ellipsis;
    }
  }

  > div.terms {
    @termsPerRow: 2;

    display: flex;
    flex-wrap: wrap;
    gap: @itemGap;

    label {
      @termWidth: 100%/@termsPerRow;
      @totalGapWidthPerRow: (@termsPerRow - 1) * @itemGap;

      min-width: ~"calc(@{termWidth} - (@{totalGapWidthPerRow} / @{termsPerRow}))";
      flex: 1 1 auto;
    }
  }

  > ol.terms {
    padding: 0;
    margin-bottom: 0;
    list-style-type: none;

    li:not(:first-child) {
      margin-top: @itemGap;
    }

    li {
      display: flex;
      align-items: center;
      gap: .25em;

      > label {
        flex: 1 1 auto;
      }

      > [data-drag-initiator]::before {
        font-size: 1.75em;
        margin: 0;
      }
    }
  }
}

.term-input-area {
  label input:focus {
    @labelPad: 7/12em;
    outline-width: 3px;
    outline-offset: ~"calc(-@{labelPad} + 3px)";
  }

  &.read-only {
    [data-index] {
      position: relative;

      input {
        padding-left: 1.5em;
        text-align: center;
        cursor: pointer;

        &:disabled {
          cursor: default;
        }

        + i {
          position: absolute;
          display: none;
          top: .5em;
          left: .5em;
        }

        &:not(:disabled):hover + i,
        &:not(:disabled):focus + i {
          display: revert;
        }
      }

      .invalid-reason {
        position: absolute;
        z-index: 1;
        top: 85%;
        left: .5em;
      }
    }
  }
}

.search-suggestions {
  z-index: 2; // Required so that nothing else can overlap it (such as opaque elements and the impact overlay)
  position: absolute;
  overflow: auto;
  min-width: 5em;

  &:empty {
    display: none;
  }

  > ul {
    margin: 0;
    padding: 0;

    li.suggestion-title {
      padding: 1.25em .625em 0 .625em;
    }

    li.failure-message {
      padding: .5em 1em;

      em {
        margin-right: .5em;
      }
    }

    li.nothing-to-suggest {
      padding: .5em 1em;
    }
  }

  [type="button"] {
    padding: .5em 1em;
    display: block;
    width: 100%;
    text-align: left;

    &[data-class="operator"], &[data-class="logical_operator"] {
      text-align: center;
    }

    &.has-details {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
    }

    .relation-path {
      margin-left: .5em;

      &::first-line {
        font-size: .8em;
      }
    }
  }
}