body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
}
.kpi {
  transition: transform .15s ease;
}
.kpi:hover {
  transform: translateY(-2px);
}
.up   { color: #dc2626; }  /* 한국식: 상승 빨강 */
.down { color: #2563eb; }  /* 한국식: 하락 파랑 */
.flat { color: #6b7280; }
canvas {
  max-height: 280px;
}

.lag-btn {
  background: #fff;
  color: #475569;
  transition: background .12s ease;
}
.lag-btn.active {
  background: #0ea5e9;
  color: #fff;
  font-weight: 600;
}
.lag-btn:hover:not(.active) {
  background: #f1f5f9;
}