.ps {
  display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 12px;
  padding: 12px; max-width: 1600px; margin: 0 auto; align-items: start;
}
.stage { display: flex; flex-direction: column; gap: 6px; min-width: 0; position: sticky; top: 56px; }
.plot-wrap { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.plot-wrap canvas { width: 100%; height: 100%; }
/* Room above for two lines of readouts, below for the hint and two lines of legend. */
.main-wrap { height: max(380px, calc(100vh - 205px)); }
#plot { cursor: crosshair; }
#plot.dragging { cursor: grabbing; }
#plot:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* The readouts: a group for each thing (a word, then its numbers); a group wraps only as a whole. */
.readouts {
  display: flex; flex-wrap: wrap; gap: 2px 22px; color: var(--ink-2); min-height: 1.5em;
  padding: 2px 4px;
}
.readouts .g { white-space: nowrap; }
.readouts .k { font-family: var(--font); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-3); }
.readouts .fixnum.v { color: var(--ink); font-weight: 600; }
.neg .fixnum.v { color: #2166ac; }

.hint { padding: 0 4px; }
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; color: var(--ink-2); padding: 0 4px; min-height: 1.6em; }
.legend .cbar { display: inline-flex; align-items: center; gap: 6px; }
.legend canvas { width: 120px; height: 12px; border-radius: 2px; }
.legend .fixnum.v { color: var(--ink); font-weight: 600; }
#hover { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink-3); }

.controls { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.controls .panel { display: flex; flex-direction: column; gap: 6px; }
.button-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.button-grid button { padding: 3px 4px; font-size: 13px; }
.seg.kinds { display: grid; grid-template-columns: repeat(3, 1fr); }
.seg.kinds > button { margin: 0 0 -1px -1px; border-radius: 0; font-size: 13px; padding: 3px 4px; }
.seg.kinds > button:first-child { border-radius: 6px 0 0 0; }
.seg.kinds > button:nth-child(3) { border-radius: 0 6px 0 0; }
.seg.kinds > button:nth-child(4) { border-radius: 0 0 0 6px; }
.seg.kinds > button:last-child { border-radius: 0 0 6px 0; }
#shows button { font-size: 13px; padding: 3px 8px; }
details.panel summary { cursor: pointer; }
details.panel[open] summary { margin-bottom: 6px; }
.note { font-size: 12px; color: var(--ink-3); }

@media (prefers-color-scheme: dark) {
  .neg .fixnum.v { color: #78c8ff; }
}

@media (max-width: 900px) {
  .ps { grid-template-columns: minmax(0, 1fr); padding: 8px; }
  .stage { position: static; }
  .main-wrap { height: auto; aspect-ratio: 1 / 1.08; max-height: 80vh; }
}