.power-iteration-page {
  margin: 0;
  padding: 1rem;
}

.power-iteration-demo {
  max-width: 860px;
  margin: 1.5rem auto;
  color: #202124;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.power-iteration-toolbar {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.power-iteration-toolbar label {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 0.55rem;
  min-width: 0;
  font-size: 0.95rem;
}

.power-iteration-x {
  flex: 1;
  min-width: 140px;
  accent-color: #2f6fed;
}

.power-iteration-x-value {
  width: 5.8rem;
  min-width: 5.8rem;
  padding: 0.2rem 0.4rem;
  border: 1px solid #d3d7de;
  border-radius: 6px;
  background: #f8fafc;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.power-iteration-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 900 / 650;
  border: 1px solid #d8dce3;
  border-radius: 8px;
  background: #ffffff;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.power-iteration-canvas.is-dragging {
  cursor: grabbing;
}

.power-iteration-caption {
  margin: 0.65rem 0 0;
  color: #5f6672;
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  .power-iteration-toolbar {
    align-items: stretch;
  }
}