/* ── Slider primitive (Radix UI) ──────────────────────────────── */

.ui-slider { width: 100%; display: flex; flex-direction: column; gap: var(--space-1); }
.ui-slider__label {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
}
.ui-slider__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Radix Slider Root */
.ui-slider__root {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  height: 20px;
  cursor: pointer;
  touch-action: none;
  user-select: none;
}

/* Track */
.ui-slider__track {
  position: relative;
  flex-grow: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
}

/* Filled range */
.ui-slider__range {
  position: absolute;
  height: 100%;
  border-radius: inherit;
  background: var(--color-brand);
}

/* Thumb */
.ui-slider__thumb {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-fg);
  cursor: pointer;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-spring), background var(--dur-fast);
  outline: none;
}
.ui-slider__thumb:hover  { transform: scale(1.25); }
.ui-slider__thumb:active { transform: scale(1.1);  background: var(--color-brand); }
.ui-slider__thumb:focus-visible { box-shadow: var(--focus-ring); }

.ui-slider__value {
  font-size: var(--text-xs);
  background: var(--color-bg-elev-2);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-fg);
  font-variant-numeric: tabular-nums;
  min-width: 2em;
  text-align: center;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* size sm: shorter */
.ui-slider--size-sm .ui-slider__track { height: 2px; }
.ui-slider--size-sm .ui-slider__value { font-size: var(--text-2xs); padding: 0 4px; }