.line-lab[data-astro-cid-ku3iul4f]{--ink:#171717;--muted:#686868;--orange:#c86718;color:var(--ink);margin:4rem 0}.line-lab__intro[data-astro-cid-ku3iul4f]{max-width:48rem;margin-bottom:1.25rem}.line-lab__intro[data-astro-cid-ku3iul4f] h2[data-astro-cid-ku3iul4f]{margin:.2rem 0 .7rem;font-size:clamp(1.8rem,4vw,3rem);line-height:1.05}.line-lab__intro[data-astro-cid-ku3iul4f] p[data-astro-cid-ku3iul4f]{color:var(--muted);margin:0}.line-lab__eyebrow[data-astro-cid-ku3iul4f]{letter-spacing:.14em;text-transform:uppercase;font:700 .72rem/1.2 ui-monospace,monospace;color:var(--orange)!important}.line-lab__toolbar[data-astro-cid-ku3iul4f]{background:#fff;border:1px solid #ddd6cc;border-radius:16px;grid-template-columns:auto auto 1fr auto;align-items:center;gap:.8rem;padding:1rem;display:grid}.line-lab__toolbar[data-astro-cid-ku3iul4f] button[data-astro-cid-ku3iul4f]{background:var(--ink);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:999px;padding:.7rem 1.1rem;font-weight:700}.line-lab__toolbar[data-astro-cid-ku3iul4f] label[data-astro-cid-ku3iul4f]{font-size:.82rem;font-weight:700}.line-lab__toolbar[data-astro-cid-ku3iul4f] input[data-astro-cid-ku3iul4f]{width:100%;accent-color:var(--orange)}.line-lab__toolbar[data-astro-cid-ku3iul4f] output[data-astro-cid-ku3iul4f]{text-align:right;text-transform:uppercase;min-width:6rem;font:700 .8rem/1.2 ui-monospace,monospace}.line-lab__key[data-astro-cid-ku3iul4f]{color:var(--muted);flex-wrap:wrap;gap:1rem;margin:.9rem 0;font-size:.85rem;display:flex}.line-lab__key[data-astro-cid-ku3iul4f] span[data-astro-cid-ku3iul4f]{align-items:center;gap:.45rem;display:inline-flex}.line-lab__key[data-astro-cid-ku3iul4f] i[data-astro-cid-ku3iul4f]{width:1.6rem;height:.2rem;display:inline-block}.heading-key[data-astro-cid-ku3iul4f]{background:var(--orange)}.velocity-key[data-astro-cid-ku3iul4f]{border-top:3px dashed #222}.line-lab__diagram[data-astro-cid-ku3iul4f]{background:#fff;width:100%;height:auto;display:block}.panel-bg[data-astro-cid-ku3iul4f]{stroke:#d8d1c6;stroke-width:1.5px}.tarmac-bg[data-astro-cid-ku3iul4f]{fill:#f4f4f2}.gravel-bg[data-astro-cid-ku3iul4f]{fill:#f4efe7}.road[data-astro-cid-ku3iul4f]{fill:none;stroke-width:96px;stroke-linecap:round;stroke-linejoin:round}.tarmac-road[data-astro-cid-ku3iul4f]{stroke:#666}.gravel-road[data-astro-cid-ku3iul4f]{stroke:url(#gravel-pattern)}#gravel-pattern[data-astro-cid-ku3iul4f] circle[data-astro-cid-ku3iul4f]{fill:#8b7d6a}.guide-line[data-astro-cid-ku3iul4f]{fill:none;stroke:#fff;stroke-width:2px;stroke-dasharray:8 10;opacity:.72}.panel-title[data-astro-cid-ku3iul4f]{fill:var(--ink);letter-spacing:.14em;font:700 15px/1 ui-monospace,monospace}.panel-subtitle[data-astro-cid-ku3iul4f],.coach-note[data-astro-cid-ku3iul4f]{fill:var(--muted);font:13px/1.2 Inter,system-ui,sans-serif}.coach-note-bg[data-astro-cid-ku3iul4f]{fill:#fff;stroke:#d8d1c6;stroke-width:1px;opacity:.96}.coach-note[data-astro-cid-ku3iul4f]{font-weight:650}.car[data-astro-cid-ku3iul4f] rect[data-astro-cid-ku3iul4f]{stroke:#fff;stroke-width:2px}.car[data-astro-cid-ku3iul4f] path[data-astro-cid-ku3iul4f]{fill:none;stroke:#fff;stroke-width:2px;opacity:.75}.tarmac-car[data-astro-cid-ku3iul4f] rect[data-astro-cid-ku3iul4f]{fill:#2563a8}.gravel-car[data-astro-cid-ku3iul4f] rect[data-astro-cid-ku3iul4f]{fill:var(--orange)}.heading-vector[data-astro-cid-ku3iul4f]{stroke:var(--orange);stroke-width:4px;marker-end:url(#heading-arrow)}.velocity-vector[data-astro-cid-ku3iul4f]{stroke:#222;stroke-width:3px;stroke-dasharray:6 5;marker-end:url(#velocity-arrow)}#heading-arrow[data-astro-cid-ku3iul4f] path[data-astro-cid-ku3iul4f]{fill:var(--orange)}#velocity-arrow[data-astro-cid-ku3iul4f] path[data-astro-cid-ku3iul4f]{fill:#222}.line-lab__readout[data-astro-cid-ku3iul4f]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin-top:.8rem;display:grid}.line-lab__readout[data-astro-cid-ku3iul4f] div[data-astro-cid-ku3iul4f]{background:#fff;border:1px solid #ddd6cc;border-radius:14px;padding:1rem}.line-lab__readout[data-astro-cid-ku3iul4f] span[data-astro-cid-ku3iul4f]{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:.76rem;display:block}.line-lab__readout[data-astro-cid-ku3iul4f] strong[data-astro-cid-ku3iul4f]{margin-top:.2rem;display:block}.line-lab__takeaway[data-astro-cid-ku3iul4f]{border-left:4px solid var(--orange);background:#fff7ed;margin:1rem 0 0;padding:1rem 1.1rem;font-weight:650}@media (width<=680px){.line-lab__toolbar[data-astro-cid-ku3iul4f]{grid-template-columns:auto 1fr}.line-lab__toolbar[data-astro-cid-ku3iul4f] label[data-astro-cid-ku3iul4f]{display:none}.line-lab__toolbar[data-astro-cid-ku3iul4f] output[data-astro-cid-ku3iul4f]{text-align:left;grid-column:1/-1}.line-lab__readout[data-astro-cid-ku3iul4f]{grid-template-columns:1fr}}