[hidden]{display:none!important}.route-records{display:grid;gap:1rem;margin:1.25rem 0}.route-record{border-left:4px solid var(--accent,#39796b);padding:.5rem 1rem;background:#f3f7f5}.route-record p{margin:.45rem 0}.route-equation{font-size:1.1rem;font-weight:650;font-variant-numeric:tabular-nums}#route-form fieldset{display:grid;gap:.5rem;margin:1rem 0;border:1px solid #ccd8d1;padding:1rem}#route-form select{max-width:100%;padding:.6rem;font:inherit}#route-form textarea{display:block;width:100%;box-sizing:border-box}#route-help-actions{display:flex;flex-wrap:wrap;gap:.7rem}#route-help section{padding:1rem 0}#route-feedback:not(:empty){margin:1rem 0;padding:1rem;background:#f0f5f4}#route-error{color:#9b2e26}#route-evidence section{border-top:1px solid #d0d9d4;padding:.75rem 0}.memory-note{font-size:.9rem}.lesson-sidebar nav{display:grid;gap:.7rem}.lesson-sidebar nav button{padding:.8rem;text-align:left}button[aria-current=step]{outline:2px solid #357763}#route-main:focus{outline:none}#route-main a{overflow-wrap:anywhere}