.julia-playground {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1rem;
  align-items: start;
}
.julia-stage { min-width: 0; }
#julia-canvas {
  display: block;
  width: 100%;
  height: max(360px, calc(100dvh - 285px));
  background: #03050c;
  border: 1px solid var(--tui-border);
  border-radius: 6px;
  cursor: grab;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
#julia-canvas:active { cursor: grabbing; }
#julia-canvas:focus,
#julia-canvas:focus-visible,
#julia-canvas:active {
  outline: none !important;
  outline-offset: 0 !important;
  border-color: var(--tui-border) !important;
  box-shadow: none !important;
}
.julia-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem .65rem;
  min-width: 0;
  margin: 0;
  padding: .75rem 1rem;
  border: 1px solid var(--tui-border);
  border-radius: 6px;
}
.julia-controls legend { width: auto; padding: 0 .4rem; font-size: .85em; }
.julia-controls label { margin: 0; font-size: .75em; font-weight: normal; }
.julia-controls select,
.julia-controls input[type="number"] { width: 100%; min-width: 0; margin: 0; padding: .35rem .45rem; font-size: .78em; }
.julia-wide { grid-column: 1 / -1; }
.julia-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.julia-controls button {
  width: 100%; margin: 0; padding: .42rem .35rem; font-size: .72em;
  color: var(--tui-text); background: var(--tui-control); border: 1px solid var(--tui-border); border-radius: 4px;
}
.julia-controls:disabled { opacity: .7; }
.julia-parameter { display: grid; grid-template-columns: minmax(0, 1fr) 5.5em; align-items: center; gap: .4rem; }
.julia-parameter label { grid-column: 1 / -1; }
.julia-parameter input { width: 100%; min-width: 0; margin: 0; }
.julia-parameter output { text-align: right; font-size: .72em; font-variant-numeric: tabular-nums; }
.julia-coordinate { min-width: 0; }
.julia-coordinate label { display: block; margin-bottom: .2rem; }
.julia-check { display: flex; align-items: center; gap: .4rem; }
.julia-check input { width: auto; margin: 0; }
.julia-caption { margin: .5rem 0; color: var(--tui-muted); font-size: .75em; font-variant-numeric: tabular-nums; }
@media (max-width: 800px) {
  .julia-playground { grid-template-columns: minmax(0, 1fr); }
  #julia-canvas { height: auto; aspect-ratio: 3 / 2; }
}
#main:has(.julia-playground) .page {
  width: 100%; padding-left: 0; padding-right: 0; margin-left: 0; margin-right: 0;
}