/* viz.css — sizing and chrome shared by every in-article visualisation.
   Colour and lifecycle come from viz-runtime.js; this file only lays out
   the mount point, its canvas/svg child, and the tooltip/legend chrome. */

.viz {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 240px;
  margin: 2em 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.viz canvas,
.viz svg {
  display: block;
  width: 100%;
  height: 100%;
}

.viz__tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 2;
  padding: calc(var(--space) * 0.75) var(--space);
  background: var(--panel-fill-raised);
  backdrop-filter: blur(var(--panel-blur));
  -webkit-backdrop-filter: blur(var(--panel-blur));
  border: var(--border) solid var(--panel-border-bright);
  border-radius: var(--radius-sm);
  box-shadow: var(--panel-lift-high);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.viz__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  margin-top: calc(var(--space) * 1.5);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--text-secondary);
}