/* Colors come from the app tokens; the fallbacks are the dark theme.
 * The handles lie on the gradient bar. Their middle gray is visible on black and on white. */
.ui-range-slider {
  --_text: var(--ui-text, #d6d6d6);
  --_line: var(--ui-line, #3a3a3a);
  --_field: var(--ui-field, #161616);
  --_length: var(--ui-range-length, 256px);
  --_bar: 10px;
  --_handle-color: var(--ui-range-handle, #808080);

  display: grid;
  gap: 2px;
  user-select: none;
}

.ui-range-slider__track {
  position: relative;
  cursor: pointer;
  touch-action: none;
}

.ui-range-slider__track::before {
  content: '';
  position: absolute;
}

.ui-range-slider__handle {
  position: absolute;
  background: var(--_handle-color);
}

.ui-range-slider__cell {
  width: 35px;
  height: 20px;
  padding: 0 4px;
  text-align: right;
  color: var(--_text);
  background: var(--_field);
  border: 1px solid var(--_line);
  font: inherit;
}

/* Horizontal: bar on top, cells below. */
.ui-range-slider.is-horizontal {
  grid-template-rows: var(--_bar) auto;
  width: var(--_length);
}

.ui-range-slider.is-horizontal .ui-range-slider__track {
  grid-row: 1;
}

.ui-range-slider.is-horizontal .ui-range-slider__track::before {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, #000 var(--ui-range-min, 0%), #fff var(--ui-range-max, 100%));
}

.ui-range-slider.is-horizontal .ui-range-slider__handle {
  bottom: 0;
  width: 10px;
  height: 7px;
  margin-left: -5px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.ui-range-slider.is-horizontal .ui-range-slider__cells {
  grid-row: 2;
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
}

/* Vertical: cells on the left, bar on the right. */
.ui-range-slider.is-vertical {
  grid-template-columns: auto var(--_bar);
  height: var(--_length);
}

.ui-range-slider.is-vertical .ui-range-slider__track {
  grid-column: 2;
  grid-row: 1;
}

.ui-range-slider.is-vertical .ui-range-slider__track::before {
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background: linear-gradient(to top, #000 var(--ui-range-min, 0%), #fff var(--ui-range-max, 100%));
}

.ui-range-slider.is-vertical .ui-range-slider__handle {
  left: 0;
  width: 7px;
  height: 10px;
  margin-bottom: -5px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.ui-range-slider.is-vertical .ui-range-slider__cells {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ui-range-slider.is-disabled {
  opacity: .45;
}