.ps-demand-chart {
  --ps-demand-peak: #d9473f;
  --ps-demand-low: #2563eb;
  --ps-demand-shade: rgba(37, 99, 235, 0.16);
  --ps-demand-grid: rgba(100, 116, 139, 0.18);
  --ps-demand-text: #334155;
  width: 100%;
  margin: 1.5rem 0;
  color: #1e293b;
}

.ps-demand-chart__header h2 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.2;
}

.ps-demand-chart__header p {
  margin: 0;
  color: #64748b;
}

.ps-demand-chart__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.ps-demand-chart__metric {
  padding: 0.9rem;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
}

.ps-demand-chart__metric span {
  display: block;
  margin-bottom: 0.25rem;
  color: #64748b;
  font-size: 0.82rem;
}

.ps-demand-chart__metric strong {
  font-size: 1.25rem;
}

.ps-demand-chart__canvas-wrap {
  position: relative;
  width: 100%;
  min-height: 320px;
}

.ps-demand-chart__status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  color: #64748b;
  text-align: center;
}

.ps-demand-chart__status[hidden] {
  display: none;
}

.ps-demand-chart__status--error {
  color: #b91c1c;
}

.ps-demand-chart__explanation {
  margin: 1rem 0 0.35rem;
  font-weight: 600;
}

.ps-demand-chart__source {
  margin: 0;
  color: #64748b;
  font-size: 0.8rem;
}

@media (max-width: 640px) {
  .ps-demand-chart__metrics {
    grid-template-columns: 1fr;
  }

  .ps-demand-chart__canvas-wrap {
    height: 400px !important;
  }
}

@media (prefers-color-scheme: dark) {
  .ps-demand-chart {
    --ps-demand-grid: rgba(148, 163, 184, 0.2);
    --ps-demand-text: #cbd5e1;
    color: #e2e8f0;
  }

  .ps-demand-chart__header p,
  .ps-demand-chart__metric span,
  .ps-demand-chart__source {
    color: #94a3b8;
  }

  .ps-demand-chart__metric {
    border-color: #334155;
    background: #0f172a;
  }
}