/* Playground additions on top of ../dashboard/style.css (same tokens, same type). */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0 14px; }

.play { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 860px) { .play { grid-template-columns: minmax(0, 1fr); } }

#arena {
  width: 100%; height: auto; aspect-ratio: 1; display: block; touch-action: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; cursor: grab;
}
#arena.dragging { cursor: grabbing; }
.hint { margin: 6px 2px 10px; color: var(--muted); font-size: .85rem; }
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.controls label, .lesions label { font-size: .85rem; color: var(--text-2); display: inline-flex; align-items: center; gap: 6px; }
.controls select { font: inherit; font-size: .85rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 3px 6px; }
.lesions { display: flex; flex-wrap: wrap; gap: 6px 16px; }

.result { margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: .9rem; }
.result.pass { background: var(--good-bg); color: var(--good-fg); }
.result.fail { background: var(--warn-bg); color: var(--warn-fg); }

.brain-col h3 { font-size: .92rem; margin: 18px 0 6px; }
.brain-col h3 .dim { font-weight: 400; font-size: .8rem; }
.record { border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 10px 12px; font-size: .88rem; }
.record .line { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.record .big { font-size: 1.3rem; font-weight: 650; font-variant-numeric: tabular-nums; }

.bars { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 4.2em; gap: 3px 8px; font-size: .8rem; align-items: center; }
.bars .lbl { color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bars .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.bars .track { position: relative; height: 10px; background: var(--grid); border-radius: 3px; overflow: hidden; }
.bars .track i { position: absolute; top: 0; bottom: 0; background: var(--s1); }
.bars .track b { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: var(--muted); }
.bars.drives .track i { background: var(--s2); }
.bars .off { opacity: .35; }

.neurons { display: grid; grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 3px; }
.neurons button {
  aspect-ratio: 1; padding: 0; border-radius: 4px; border: 1px solid var(--border);
  font-size: .6rem; line-height: 1; color: transparent; min-width: 0;
}
.neurons button.silenced { color: var(--text); background: var(--surface) !important; border-style: dashed; }

.batch-out { font-size: .9rem; color: var(--text-2); font-variant-numeric: tabular-nums; }

.film { max-width: 760px; }
.film video { width: 100%; }

.card-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; }
@media (max-width: 860px) { .card-grid { grid-template-columns: minmax(0, 1fr); } }
.card-grid h3 { font-size: .95rem; margin: 14px 0 4px; }
.downloads { margin: 0; padding-left: 18px; font-size: .88rem; }
.downloads li { margin: 2px 0; }
pre { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font-size: .8rem; line-height: 1.45; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
section { margin-bottom: 8px; }