react-select-me/src/ReactSelectMe.css

A highly scalable react dropdown list

:root {
  --color-tuna: #373c43;
  --color-white: #fff;
  --color-pale-sky: #6d757b;
  --color-mandy: #e9596a;
  --color-shark: #2d3136;
  --color-black: #000;
  --color-seashell: #f1f1f1;
  --line-height: 20px;
}

.dd__wrapper {
  position: relative;
}

.dd__opened {
  border-radius: 3px;
  border-color: var(--color-tuna);
  color: var(--color-tuna);
}

.dd__disabled {
  border-color: var(--color-pale-sky);
  color: var(--color-pale-sky);
}

.dd__error {
  border-color: var(--color-mandy);
}

.dd__selectControl {
  display: flex;
  align-items: center;
  font-size: 14px;
  padding: 8px;
  border: 1px solid var(--color-tuna);
  border-radius: 3px;
  background-color: var(--color-white);
  color: var(--color-tuna);
  line-height: var(--line-height);
  cursor: pointer;
  overflow: hidden;

  @nest .dd__error & {
    color: var(--color-mandy);
    user-select: none;
  }

  @nest .dd__disabled & {
    cursor: default;
  }
}

.dd__selected {
  display: flex;
  flex-grow: 1;
  flex-wrap: wrap;
  overflow: hidden;

  @nest .dd__multi & {
    margin-top: -2px;
  }
}

.dd__search {
  display: inline-block;
  align-items: center;
  flex-grow: 1;
  border: 1px solid transparent;
  outline: 0;
  opacity: 0;
  min-height: var(--line-height);
  word-break: break-word;

  @nest .dd__multi & {
    margin-top: 2px;
  }

  @nest .dd__opened & {
    opacity: 1;
  }
}

.dd__placeholder {
  border: 1px solid transparent;
  color: var(--color-pale-sky);

  @nest .dd__multi & {
    margin-top: 2px;
  }

  @nest .dd__error & {
    color: var(--color-mandy);
    user-select: none;
  }
}

.dd__selectedItem {
  display: flex;
  border: 1px solid transparent;

  @nest .dd__multi & {
    border-color: #a9b6d2;
    background-color: #e3eaf6;
    border-radius: 2px;
    margin-top: 2px;
    margin-right: 2px;
    padding: 0 4px;
  }
}

.dd__crossIcon {
  margin-left: 5px;
}

.dd__expandIcon {
  width: 9px;
  height: 15px;
  flex-shrink: 0;
  fill: var(--color-shark);

  @nest .dd__error & {
    fill: var(--color-mandy);
  }
}

.dd__list {
  display: none;
  position: absolute !important;
  background-color: var(--color-white);
  overflow: auto;
  z-index: 1;
  -webkit-overflow-scrolling: touch;
  min-width: 100%;
  border: 1px solid var(--color-tuna);
  border-radius: 3px;
  box-shadow: 0 3px 7px 0 rgba(var(--color-black), 0.08);

  /* Without this property, Chrome repaints the entire Grid any time a new row or column is added.
	Firefox only repaints the new row or column (regardless of this property).
	Safari and IE don't support the property at all. 
	*/
  will-change: transform;

  @nest .dd__opened & {
    display: block;

    &:empty {
      display: none;
    }
  }
}

.dd__listVirtualized {
  overflow-y: auto;
  overflow-x: hidden;

  :global(.Grid__innerScrollContainer) {
    overflow: hidden;
    position: relative;
  }
}

.dd__openTobottom {
  top: 100%;
  margin-top: 5px;
}

.dd__openTotop {
  bottom: 100%;
  margin-bottom: 5px;
}

.dd__optionVirtualized {
  position: absolute;
}

.dd__option {
  padding: 10px;
  line-height: var(--line-height);
  white-space: nowrap;
  cursor: pointer;

  &:hover {
    background-color: var(--color-seashell);
  }
}

.dd__selectedOption {
  background-color: var(--color-seashell);
}

.dd__optionDisabled {
  cursor: default;

  &:hover {
    background-color: transparent;
  }
}