.topic-directory{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:1rem;margin:2rem 0 3rem}.topic-directory-card{display:block;padding:1.4rem;border:1px solid #d9e3df;border-radius:14px;background:#f5f9f6;text-decoration:none;color:#193a34}.topic-directory-card:hover,.topic-directory-card:focus-visible{border-color:#347567;background:#edf5ef}.topic-directory-card h2{font-size:1.2rem;line-height:1.4;margin:0 0 1rem}.teaching-article-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.teaching-article-list li{border:1px solid #dfe4e2;border-radius:12px;padding:1.25rem;min-width:0}.teaching-article-list li[hidden]{display:none}.teaching-article-list h3{margin:.5rem 0;font-size:1.2rem;line-height:1.4}.teaching-article-list p{line-height:1.6}.article-topic{font-size:.85rem;color:#426359;margin:0}.article-search{max-width:40rem;display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}.article-search[hidden]{display:none}.article-search label{width:100%;font-weight:700}.article-search input{min-width:0;flex:1;padding:.8rem;border:1px solid #829b94;border-radius:6px}.article-search button,[data-more-articles]{padding:.8rem 1.1rem;border:1px solid #347567;border-radius:6px;background:#eff5f2;color:#193a34;cursor:pointer}.teaching-library .page-hero{max-width:70ch}.teaching-library a{overflow-wrap:anywhere}@media(max-width:650px){.teaching-article-list{grid-template-columns:1fr}.teaching-library .page-hero h1{font-size:2.2rem}}