.discovery-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}.discovery-tabs a{display:inline-flex;align-items:center;min-height:44px;padding:10px 17px;border:1px solid var(--line);border-radius:12px;color:var(--teal);background:var(--paper);text-decoration:none;font-weight:700;font-size:14px}.discovery-tabs a[aria-current=page]{background:var(--mint);border-color:#bdd4c3;color:var(--teal-dark)}
.discovery-browser{display:grid;grid-template-columns:minmax(0,1fr) 230px;grid-template-areas:"content filters";gap:40px;align-items:start}.discovery-content{grid-area:content;min-width:0}.discovery-browser .topic-navigation{grid-area:filters;border-left:1px solid var(--line);padding:4px 0 24px 24px;min-width:0}.topic-navigation .books-filter-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.topic-navigation .books-filter-heading h2{font-size:13px;margin:0}.topic-navigation .books-filter-heading>a{font-size:12px;color:var(--teal)}
.topic-list{display:flex;flex-direction:column;gap:8px}.topic-list>a,.topic-nav-item>a,.topic-navigation .books-chips a{display:flex;align-items:center;min-height:44px;padding:9px 13px;border:1px solid var(--line);border-radius:8px;font-size:13px;line-height:1.4;color:var(--ink);text-decoration:none;background:var(--paper)}.topic-list a:hover{border-color:var(--teal);background:var(--mint)}.topic-list a[aria-current=page],.topic-navigation .books-chips a[aria-current=page]{background:var(--teal);color:white;border-color:var(--teal)}.topic-list a:focus-visible,.discovery-tabs a:focus-visible{outline:3px solid var(--teal);outline-offset:3px}.topic-navigation .books-tags{margin:8px 0 12px;padding:10px 0 0 10px;border-top:0;border-left:2px solid #bdd4c3}.topic-navigation .books-tags h3{font-size:12px;margin:0 0 10px;color:var(--muted);font-weight:650}.topic-navigation .books-chips{display:flex;flex-flow:row wrap;gap:6px;overflow:visible;padding:0}.topic-navigation .books-chips a{font-size:12px;padding:7px 10px;min-height:40px}
.learning-search{padding:24px;margin-bottom:28px}.learning-search form{display:grid;grid-template-columns:minmax(0,1fr) minmax(150px,.65fr);gap:18px;align-items:end}.learning-search label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}.learning-search input,.learning-search select{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;color:var(--ink);background:var(--paper);font-size:15px}.learning-search input:focus-visible,.learning-search select:focus-visible{outline:3px solid var(--teal);outline-offset:3px}.learning-search .button{justify-self:start;min-height:44px;font-size:14px;padding:9px 20px}.learning-search>.quiet-link{display:inline-block;margin-top:18px}.learning-results-title{font-size:24px}.discovery-content .concept-card{margin:16px 0}.discovery-content .concept-card .pill{display:inline-block;margin-bottom:10px}.discovery-content .concept-card p{margin-bottom:0}
@media(max-width:900px){.discovery-browser{grid-template-columns:minmax(0,1fr) 210px;gap:24px}}
@media(max-width:740px){.discovery-browser{grid-template-columns:1fr;grid-template-areas:"filters" "content";gap:24px}.discovery-browser .topic-navigation,.books-browser .topic-navigation{border-left:0;padding:0 0 18px;border-bottom:1px solid var(--line)}.topic-list{flex-direction:row;flex-wrap:wrap;gap:8px}.topic-nav-item{display:contents}.topic-nav-item>.books-tags{order:2;width:100%;margin-bottom:0}.topic-list>a,.topic-nav-item>a{font-size:12px;min-height:44px}.learning-search{padding:22px}.learning-search form{grid-template-columns:1fr}.learning-search input,.learning-search select{font-size:16px}.discovery-tabs{margin-bottom:24px}.discovery-tabs a{font-size:13px}.learning-results-title{font-size:22px}}