/* =========================================================================
   Positive Manifold Visualiser — tool-specific styling
   -------------------------------------------------------------------------
   Shared page furniture comes from components/tool-kit.css. The correlation
   matrix, the variance bar and the scatter panels are what is particular
   here.
   ========================================================================= */

#manifold .interactive__controls,
#manifold .interactive__stage {
  min-width: 0;
}

@media (min-width: 52em) {
  #manifold .interactive__body {
    grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
  }
}

#manifold .control + .control {
  margin-top: var(--space-4);
}

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.preset-buttons .button {
  font-size: var(--text-xs);
  padding: 0.35rem 0.7rem;
  min-height: 2.75rem;
}

/* -------------------------------------------------------------------------
   Correlation matrix
   -------------------------------------------------------------------------
   Every cell prints its own number, so the shading is a redundant cue that
   makes the block structure visible at a glance. Same-group pairs also carry
   a left border, so the two clusters are distinguishable without relying on
   the tint.
   ---------------------------------------------------------------------- */

.matrix td {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.matrix td[data-strength="high"] {
  background-color: var(--colour-accent);
  color: var(--colour-on-accent);
  font-weight: 650;
}

.matrix td[data-strength="mid"] {
  background-color: var(--colour-accent-soft);
}

.matrix td[data-strength="low"] {
  background-color: var(--colour-surface);
}

.matrix td[data-samegroup="yes"] {
  border-left: 3px solid var(--colour-personality-individual-differences);
}

/* -------------------------------------------------------------------------
   Variance bar
   -------------------------------------------------------------------------
   Four segments of one bar, each printing its own name and percentage, so
   the split reads without reference to the fills. The readout beneath
   repeats the specific-variance figure.
   ---------------------------------------------------------------------- */

.variance {
  display: flex;
  width: 100%;
  min-height: 2.5rem;
  border: 1px solid var(--colour-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.variance__part {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  overflow: hidden;
  transition: width 200ms ease-out;
}

.variance__part--shared { background-color: var(--colour-accent); }
.variance__part--group { background-color: var(--colour-personality-individual-differences); }
.variance__part--specific { background-color: var(--colour-surface); }
.variance__part--error { background-color: var(--colour-status-bg); }

.variance__label {
  padding: 0 0.35rem;
  font-size: var(--text-xs);
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.variance__part--shared .variance__label,
.variance__part--group .variance__label {
  color: var(--colour-on-accent);
}

.variance__part--specific .variance__label {
  color: var(--colour-text);
}

.variance__part--error .variance__label {
  color: var(--colour-status-text);
}

@media (prefers-reduced-motion: reduce) {
  .variance__part {
    transition: none;
  }
}

/* -------------------------------------------------------------------------
   Scatter panels and loading bars
   ---------------------------------------------------------------------- */

.scatter__points {
  stroke: var(--colour-accent);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-opacity: 0.45;
  fill: none;
}

/* Group membership is carried by fill AND stated in the table's own column,
   so the two clusters are never distinguished by colour alone. */
.manifold__bar--verbal { fill: var(--colour-accent); }
.manifold__bar--spatial { fill: var(--colour-personality-individual-differences); }

@media (forced-colors: active) {
  .variance,
  .matrix td[data-samegroup="yes"] {
    border-color: CanvasText;
  }

  .variance__part--shared,
  .variance__part--group {
    background-color: Highlight;
  }

  .variance__part--specific,
  .variance__part--error {
    background-color: Canvas;
  }

  .variance__part--shared .variance__label,
  .variance__part--group .variance__label {
    color: Canvas;
  }

  .variance__part--specific .variance__label,
  .variance__part--error .variance__label {
    color: CanvasText;
  }

  .matrix td[data-strength="high"] {
    background-color: Highlight;
    color: Canvas;
  }

  .scatter__points {
    stroke: CanvasText;
    stroke-opacity: 1;
  }

  .manifold__bar--verbal { fill: CanvasText; }
  .manifold__bar--spatial { fill: Highlight; }
}