/* 차트 래퍼 */
.chart-wrapper {
  position: relative;
  user-select: none;
}

/* 차트 범례 */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.chart-legend--right {
  justify-content: flex-end;
  padding-right: 2rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 0.2rem;
}

.legend-label {
  font-size: 1.2rem;
}

/* 차트 툴팁 */
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  transform: translate(-50%, -100%);
  padding: 0.6rem 0.8rem;
  background: #111827;
  color: #fff;
  border-radius: 0.6rem;
  font-size: 1.2rem;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: 0 0 1rem rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

.chart-tooltip::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 0.6rem solid transparent;
  border-top-color: #111827;
}