.ld-rung{margin:3.2rem 0 0;padding-top:1.6rem;border-top:1px solid var(--border)}.ld-rung>header{display:grid;grid-template-columns:3.4rem minmax(0,1fr);gap:0 14px;align-items:start}.ld-n{font:600 2.6rem/1 var(--font-serif);color:var(--accent);font-variant-numeric:lining-nums}.ld-rung h2{margin:.15rem 0 .3rem;font-size:1.45rem}.ld-why{margin:0;color:var(--text-muted);font-size:.98rem;max-width:var(--measure)}.ld-note{max-width:var(--measure)}.ld-note .katex,.ld-rung h2 .katex,.ld-card .katex{font-size:1.02em}.ld-chip{display:inline-block;min-width:4.3em;text-align:center;font:600 11px var(--font-mono);letter-spacing:.07em;text-transform:uppercase;padding:2px 6px;border-radius:4px;border:1px solid var(--border-strong);color:var(--text-muted)}.ld-chip.added{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 50%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}.ld-chip.edited{color:var(--hot);border-color:color-mix(in srgb,var(--hot) 50%,transparent);background:color-mix(in srgb,var(--hot) 9%,transparent)}.ld-chip.carried{border-style:dashed}.ld-tests{list-style:none;padding:0;margin:1.1rem 0 .6rem;max-width:var(--measure)}.ld-tests li{display:grid;grid-template-columns:1.3em 1fr;padding:4px 0;font-size:.88rem;color:var(--text-muted);margin:0}.ld-tests li>span[aria-hidden]{color:var(--ok);font:600 .82rem var(--font-mono)}.ld-tests li.new{color:var(--text)}.ld-tests em{font:600 11px var(--font-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ok);font-style:normal;margin-left:6px}.ld-actions{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;font-size:.9rem}.ld-actions span{font:400 12px var(--font-mono);color:var(--text-faint)}.ld-index{display:grid;gap:18px;margin-top:1.6rem}.ld-card{display:block;padding:18px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:inherit;text-decoration:none}.ld-card:hover{border-color:var(--accent-soft)}.ld-card h2{margin:0 0 .6rem;font-size:1.3rem}.ld-card ol{margin:0 0 .7rem;padding-left:1.3rem;color:var(--text-muted);font-size:.93rem}.ld-card .ld-card-lead{margin:0 0 .3rem;font-size:.86rem;color:var(--text-muted)}.ld-broken{margin:.8rem 0;padding:10px 14px 10px 30px;border:1px solid color-mix(in srgb,var(--hot) 50%,transparent);border-radius:var(--radius);background:color-mix(in srgb,var(--hot) 8%,transparent);font-size:.9rem}.ld-broken li{margin:2px 0}.ld-intro{max-width:var(--measure)}.ld-plan{margin:1rem 0 0;padding-left:1.4rem}.ld-plan li{margin:.2rem 0}.ld-frame{container-type:inline-size}.ld-text,.ld-side{min-width:0}.ld-prog{margin:1.2rem 0 0}.ld-prog figcaption,.ld-out figcaption{display:flex;flex-wrap:wrap;gap:4px 14px;justify-content:space-between;font-size:.84rem;color:var(--text-muted);margin-bottom:.35rem}.ld-key{display:inline-flex;gap:12px;font:400 12px var(--font-mono)}.ld-key-add{border-left:3px solid var(--ok);padding-left:6px}.ld-key-edit{border-left:3px solid var(--hot);padding-left:6px}.ld-code{position:relative;margin:0;font:12.5px/1.55 var(--font-mono);background:var(--bg-code);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:10px 0;max-height:75vh;overflow:auto;overscroll-behavior:contain;white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4}.ld-code code{font:inherit;background:none;padding:0;color:inherit}.ll{display:block;padding:0 12px 0 calc(12px + 2ch);text-indent:-2ch;border-left:3px solid transparent}.ll-same{opacity:.5}.ll-add{border-left-color:var(--ok);background:color-mix(in srgb,var(--ok) 7%,transparent)}.ll-edit{border-left-color:var(--hot);background:color-mix(in srgb,var(--hot) 9%,transparent)}.ld-out{margin:1.2rem 0 0;max-width:var(--measure)}.ld-printed{margin:0;font:12.5px/1.55 var(--font-mono);background:var(--bg-code);border:1px solid var(--border);border-left:3px solid var(--accent-fill);border-radius:0 var(--radius) var(--radius) 0;padding:8px 12px;white-space:pre-wrap;overflow-wrap:anywhere}.ol{display:block;color:var(--text-muted)}.ol-new{color:var(--text);font-weight:600}.ld-quiet{margin:.4rem 0 .6rem;font-size:.86rem;color:var(--text-muted)}.ld-whole{margin-top:3rem}@container (min-width: 880px){.ld-steps.ld-live{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);grid-template-rows:repeat(var(--rungs),auto);gap:0 34px}.ld-live .ld-rung{display:contents}.ld-live .ld-text{grid-column:1;margin-top:3.2rem;padding-top:1.6rem;border-top:1px solid var(--border);scroll-margin-top:72px}.ld-live .ld-side{grid-column:2;grid-row:1 / -1;align-self:start;position:sticky;top:72px;margin-top:3.2rem;padding-top:1.6rem}.ld-live .ld-side:not(.is-active){display:none}.ld-live .ld-prog{margin:0}.ld-live .ld-code{max-height:calc(100vh - 150px)}}