.wrapper {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 120px;
  height: 22px;
  z-index: 1000;
  user-select: none;
}

.track {
  width: 100%;
  height: 100%;
  background: #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: relative;
  overflow: hidden;
}

.handle {
  position: absolute;
  height: 100%;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 0 2px #3b82f6 inset, 0 2px 8px rgba(0,0,0,0.2);
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.handle:active {
  cursor: grabbing;
}

.columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, 4px);
  gap: 4px;
}

.columns span {
  width: 4px;
  height: 14px;
  background: #cbd5e1;
  border-radius: 2px;
}