.sterling-slider {
  box-sizing: border-box;
  outline: none;
  padding: 0;
  overflow: visible;
  display: grid;
  transition:
    background-color 250ms,
    color 250ms,
    border-color 250ms;
  min-width: 200px;
}

.sterling-slider.horizontal {
  height: 2em;
}

.sterling-slider.vertical {
  height: 100%;
  width: 2em;
}

/* ----- container ----- */

.sterling-slider .container {
  position: relative;
}

.sterling-slider.horizontal .container {
  margin: 0 0.75em;
}

.sterling-slider.vertical .container {
  margin: 0.75em 0;
}

/* ----- track ----- */

.sterling-slider .track {
  position: absolute;
  background: var(--stsv-common__background-color--secondary);
  transition:
    background-color 250ms,
    color 250ms,
    border-color 250ms;
}

.sterling-slider.horizontal .track {
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  transform: translate(0, -50%);
}

.sterling-slider.vertical .track {
  bottom: 0;
  left: 50%;
  top: 0;
  transform: translate(-50%, 0);
  width: 3px;
}

/* ----- fill ----- */

.sterling-slider .fill {
  background: var(--stsv-common__color);
  position: absolute;
  transition:
    background-color 250ms,
    color 250ms,
    border-color 250ms;
}

.sterling-slider.horizontal .fill {
  height: 3px;
  top: 50%;
  transform: translate(0, -50%);
  width: var(--valueOffset);
}

.sterling-slider.horizontal:not(.reverse) .fill {
  left: 0;
}

.sterling-slider.horizontal.reverse .fill {
  right: 0;
}

.sterling-slider.vertical .fill {
  left: 50%;
  transform: translate(-50%, 0);
  width: 3px;
  height: var(--valueOffset);
}

.sterling-slider.vertical:not(.reverse) .fill {
  bottom: 0;
}

.sterling-slider.vertical.reverse .fill {
  top: 0;
}

/* ----- thumb ----- */

.sterling-slider .thumb {
  background-color: var(--stsv-button__background-color);
  border-color: var(--stsv-button__border-color);
  border-radius: 10000px;
  border-style: solid;
  border-width: var(--stsv-button__border-width);
  box-sizing: border-box;
  color: var(--stsv-button__color);
  cursor: pointer;
  display: block;
  font: inherit;
  height: 1.5em;
  overflow: hidden;
  outline: none;
  padding: 0;
  text-decoration: none;
  transition:
    background-color 250ms,
    color 250ms,
    border-color 250ms;
  white-space: nowrap;
  position: absolute;
  width: 1.5em;
}

.sterling-slider.horizontal:not(.reverse) .thumb {
  top: 50%;
  transform: translate(-50%, -50%);
  left: var(--valueOffset);
}

.sterling-slider.horizontal.reverse .thumb {
  top: 50%;
  transform: translate(50%, -50%);
  right: var(--valueOffset);
}

.sterling-slider.vertical:not(.reverse) .thumb {
  left: 50%;
  transform: translate(-50%, 50%);
  bottom: var(--valueOffset);
}

.sterling-slider.vertical.reverse .thumb {
  left: 50%;
  transform: translate(-50%, -50%);
  top: var(--valueOffset);
}

.sterling-slider:not(.disabled) .thumb:hover {
  background-color: var(--stsv-button__background-color--hover);
  border-color: var(--stsv-button__border-color--hover);
  color: var(--stsv-button__color--hover);
}

.sterling-slider:not(.disabled) .thumb:active {
  background-color: var(--stsv-button__background-color--active);
  border-color: var(--stsv-button__border-color--active);
  color: var(--stsv-button__color--active);
}

.sterling-slider:not(.disabled).using-keyboard:focus-visible .thumb {
  outline-color: var(--stsv-common__outline-color);
  outline-offset: 0;
  outline-style: solid;
  outline-width: var(--stsv-common__outline-width);
}

/* ----- reduced motion ----- */

@media (prefers-reduced-motion) {
  .sterling-slider,
  .sterling-slider .track,
  .sterling-slider .fill,
  .sterling-slider .thumb,
  .sterling-slider .thumb::after {
    transition: none;
  }
}