.range-slider {
  --thumb-size: 20px;
  --track-height: 6px;
  height: var(--thumb-size);
  position: relative;
  margin: 0 calc(var(--thumb-size)/2);
}

.range-slider input[type="range"] {
  width: calc(100% - var(--thumb-size));
  position: absolute;
  top: 50%;
  left: calc(var(--thumb-size)/2);
  transform: translateY(-50%);
  margin: 0;
  padding: 0;
  background: transparent;
  -webkit-appearance: none;
  pointer-events: none;
  z-index: 2;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  background: #0d6efd; /* Одинаковый цвет для обоих ползунков */
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  z-index: 2;
}

.range-slider-progress {
  position: absolute;
  left: calc(var(--thumb-size)/2);
  right: calc(var(--thumb-size)/2);
  top: 50%;
  transform: translateY(-50%);
  height: var(--track-height);
  background: #0d6efd;
  border-radius: 5px;
  overflow: hidden;
  z-index: 1;
}

.range-slider-progress::after {
  content: '';
  position: absolute;
  left: var(--range-left, 0);
  right: calc(100% - var(--range-right, 100%));
  height: 100%;
  background: #0d6efd;
}