/* ── Chart Warning Overlay ──────────────────────────────────────────────── */
.chart-warning {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(0, 8, 22, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.chart-warning.visible {
  opacity: 1;
  pointer-events: auto;
}

.chart-warning__icon {
  width: 36px;
  height: 36px;
  color: var(--kfw-yel);
  opacity: 0.85;
  margin-bottom: 4px;
}

.chart-warning__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.1px;
}

.chart-warning__desc {
  font-size: 12px;
  color: var(--muted);
  max-width: 320px;
  text-align: center;
  line-height: 1.5;
}