.planned-tool{display:grid;gap:1rem}.planned-tool__preview,.molecule-viewer__card,.epub-reader__layout{border:1px solid var(--line,#d9e0eb);border-radius:1rem;background:var(--surface,#fff);padding:1rem}.molecule-viewer__card{max-width:42rem}.molecule-viewer__card svg{display:block;width:100%;max-height:17rem}.molecule-viewer__card dl{display:grid;grid-template-columns:auto 1fr;gap:.35rem 1rem;margin:1rem 0 0}.molecule-viewer__card dt{font-weight:700}.molecule-viewer__card dd{margin:0}.backgammon__board{display:grid;grid-template-columns:repeat(12,minmax(2rem,1fr));gap:.3rem;max-width:52rem;margin:1rem auto}.backgammon__point{position:relative;min-height:6rem;border:1px solid var(--line,#cbd5e1);border-radius:.5rem;background:var(--surface,#fff);display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:.35rem .15rem;touch-action:manipulation}.backgammon__point[aria-pressed=true]{outline:3px solid var(--accent,#3478d4)}.backgammon__point em{color:var(--accent,#3478d4);font-style:normal}.backgammon__point i,.backgammon__point b{font-style:normal;font-size:.82rem}.music-score__staff{width:100%;max-width:58rem;display:block;background:#fff;border:1px solid var(--line,#d9e0eb);border-radius:.75rem}.epub-reader__layout{display:grid;grid-template-columns:minmax(10rem,.35fr) minmax(0,1fr);gap:1rem}.epub-reader__layout nav{display:grid;align-content:start;gap:.4rem}.epub-reader__layout article{min-height:16rem;max-height:34rem;overflow:auto;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere}.epub-reader__layout nav button{text-align:start}.photo-mosaic__preview{max-width:100%;overflow:auto}.photo-mosaic__preview img{display:block;max-width:100%;height:auto}.jigsaw__board{display:grid;grid-template-columns:repeat(var(--jigsaw-size,3),minmax(0,1fr));width:min(100%,34rem);margin:1rem auto;gap:.2rem;aspect-ratio:1;border:2px solid var(--line,#cbd5e1);background:#f6f7fa}.jigsaw__piece{min-width:0;min-height:0;aspect-ratio:1;border:1px solid #fff;background-size:100% 100%;background-position:center;background-repeat:no-repeat;touch-action:manipulation}.jigsaw__piece[aria-pressed=true]{outline:3px solid var(--accent,#3478d4);z-index:1}.tangram__board{display:block;width:min(100%,42rem);margin:auto;touch-action:none;background:#f6f7fa;border-radius:1rem}.tangram__piece{cursor:move;touch-action:none}.tangram__piece:focus{outline:none;filter:drop-shadow(0 0 4px #2563eb)}@media(max-width:600px){.backgammon__board{grid-template-columns:repeat(6,minmax(2.7rem,1fr))}.backgammon__point{min-height:4rem}.epub-reader__layout{grid-template-columns:1fr}.epub-reader__layout nav{grid-template-columns:repeat(2,minmax(0,1fr));max-height:12rem;overflow:auto}}.jigsaw__piece{aspect-ratio:var(--jigsaw-tile-ratio,1)}