.practice-cards[data-astro-cid-xs6dum2x]{gap:.75rem;display:grid}.practice-cards[data-astro-cid-xs6dum2x] a[data-astro-cid-xs6dum2x]{border:2px solid var(--ink);background:var(--card);color:var(--ink);border-radius:1.1rem;gap:.3rem;padding:1.1rem;text-decoration:none;display:grid;box-shadow:5px 6px #20283d24}.practice-cards[data-astro-cid-xs6dum2x] a[data-astro-cid-xs6dum2x]:hover{transform:translateY(-2px)}.practice-cards[data-astro-cid-xs6dum2x] small[data-astro-cid-xs6dum2x]{color:#315ba9;letter-spacing:.08em;text-transform:uppercase;font-size:.72rem;font-weight:900}.practice-cards[data-astro-cid-xs6dum2x] strong[data-astro-cid-xs6dum2x]{letter-spacing:-.03em;font:900 1.5rem/1.1 Trebuchet MS,Segoe UI,sans-serif}.practice-cards[data-astro-cid-xs6dum2x] span[data-astro-cid-xs6dum2x]{color:var(--ink-soft);font-size:.92rem;line-height:1.45}.practice-cards[data-astro-cid-xs6dum2x] b[data-astro-cid-xs6dum2x]{margin-top:.3rem;font-size:.88rem}.practice-cards[data-astro-cid-xs6dum2x] i[data-astro-cid-xs6dum2x]{color:#c94328;font-style:normal}.rotation-row[data-astro-cid-xs6dum2x]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin-top:1.4rem;display:grid}.shape-option[data-astro-cid-xs6dum2x]{border:1px solid var(--line);background:var(--paper);text-align:center;border-radius:.9rem;grid-template-rows:auto 7.5rem auto;gap:.5rem;margin:0;padding:.85rem;display:grid}.shape-option[data-astro-cid-xs6dum2x] figcaption[data-astro-cid-xs6dum2x]{font-size:.8rem;font-weight:900}.shape-option[data-astro-cid-xs6dum2x] svg[data-astro-cid-xs6dum2x]{width:100%;height:100%}.shape-option[data-astro-cid-xs6dum2x] rect[data-astro-cid-xs6dum2x]{fill:#6288d6}.shape-option[data-astro-cid-xs6dum2x] small[data-astro-cid-xs6dum2x]{color:var(--ink-soft);font-size:.8rem;line-height:1.35}.shape-option[data-astro-cid-xs6dum2x].reference{background:var(--ink);color:#fff}.shape-option[data-astro-cid-xs6dum2x].reference rect[data-astro-cid-xs6dum2x]{fill:var(--yellow)}.shape-option[data-astro-cid-xs6dum2x].reference small[data-astro-cid-xs6dum2x]{color:#c7cad4}.shape-option[data-astro-cid-xs6dum2x].right{background:#e8f7f1;border:2px solid #2f8f70}.shape-option[data-astro-cid-xs6dum2x].right rect[data-astro-cid-xs6dum2x]{fill:#2f8f70}.shape-option[data-astro-cid-xs6dum2x].wrong rect[data-astro-cid-xs6dum2x]{fill:#8d93a3}.net-group[data-astro-cid-xs6dum2x]{margin-top:1.4rem}.net-group[data-astro-cid-xs6dum2x] h3[data-astro-cid-xs6dum2x]{margin-top:0}.net-group[data-astro-cid-xs6dum2x]>p[data-astro-cid-xs6dum2x]{margin:0 0 .8rem}.net-grid[data-astro-cid-xs6dum2x]{grid-template-columns:repeat(auto-fill,minmax(6.6rem,1fr));gap:.7rem;display:grid}.net-grid[data-astro-cid-xs6dum2x] svg[data-astro-cid-xs6dum2x]{aspect-ratio:1;border:1px solid var(--line);background:var(--paper);border-radius:.8rem;width:100%;padding:.55rem}.net-grid[data-astro-cid-xs6dum2x] text[data-astro-cid-xs6dum2x]{fill:#20283d;font-size:.5px;font-weight:900}.face-x[data-astro-cid-xs6dum2x] rect[data-astro-cid-xs6dum2x]{fill:#f6c453}.face-y[data-astro-cid-xs6dum2x] rect[data-astro-cid-xs6dum2x]{fill:#a8c0f0}.face-z[data-astro-cid-xs6dum2x] rect[data-astro-cid-xs6dum2x]{fill:#b8ead9}.net-failures[data-astro-cid-xs6dum2x]{gap:.7rem;margin-top:1.2rem;display:grid}.net-failures[data-astro-cid-xs6dum2x] figure[data-astro-cid-xs6dum2x]{border:1px solid var(--line);background:#fff7f4;border-radius:.9rem;grid-template-columns:5.5rem 1fr;align-items:center;gap:1rem;margin:0;padding:.85rem;display:grid}.net-failures[data-astro-cid-xs6dum2x] svg[data-astro-cid-xs6dum2x]{width:100%;height:5.5rem}.net-failures[data-astro-cid-xs6dum2x] rect[data-astro-cid-xs6dum2x]{fill:#d9745b}.net-failures[data-astro-cid-xs6dum2x] figcaption[data-astro-cid-xs6dum2x]{color:var(--ink-soft);gap:.2rem;font-size:.9rem;line-height:1.5;display:grid}.net-failures[data-astro-cid-xs6dum2x] strong[data-astro-cid-xs6dum2x]{color:var(--ink)}.stack-example[data-astro-cid-xs6dum2x]{align-items:center;gap:1.2rem;margin-top:1.4rem;display:grid}.stack-example[data-astro-cid-xs6dum2x] svg[data-astro-cid-xs6dum2x]{width:min(100%,17rem);margin-inline:auto}.stack-example[data-astro-cid-xs6dum2x] .table-wrap[data-astro-cid-xs6dum2x]{margin-top:0}.stack-example[data-astro-cid-xs6dum2x] td[data-astro-cid-xs6dum2x]{text-align:center;width:3rem;font-size:1.1rem;font-weight:900}.cube-top[data-astro-cid-xs6dum2x]{fill:#f6c453;stroke:#20283d;stroke-width:1.1px;stroke-linejoin:round}.cube-right[data-astro-cid-xs6dum2x]{fill:#6288d6;stroke:#20283d;stroke-width:1.1px;stroke-linejoin:round}.cube-front[data-astro-cid-xs6dum2x]{fill:#a8c0f0;stroke:#20283d;stroke-width:1.1px;stroke-linejoin:round}@media (width>=640px){.rotation-row[data-astro-cid-xs6dum2x]{grid-template-columns:repeat(4,minmax(0,1fr))}.stack-example[data-astro-cid-xs6dum2x]{grid-template-columns:17rem minmax(0,1fr)}}@media (width>=760px){.practice-cards[data-astro-cid-xs6dum2x]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=1000px){.practice-cards[data-astro-cid-xs6dum2x]{grid-template-columns:repeat(4,minmax(0,1fr))}}