.textbook-search{position:relative;margin-left:auto;min-width:min(320px,40vw)}.textbook-search input{width:100%;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:#081524;color:#f4f8fc;padding:.58rem .7rem}.textbook-search input:focus{outline:2px solid #5fa8ff;outline-offset:1px}.textbook-search-results{position:absolute;top:calc(100% + .4rem);right:0;z-index:50;width:min(420px,85vw);max-height:360px;overflow:auto;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#081524;box-shadow:0 18px 50px rgba(0,0,0,.35);padding:.45rem}.textbook-search-results button{width:100%;display:grid;gap:.1rem;text-align:left;border:0;border-radius:9px;background:transparent;color:#edf5fd;padding:.55rem .6rem;cursor:pointer}.textbook-search-results button:hover,.textbook-search-results button:focus-visible{background:#112740}.textbook-search-results small{color:#8fa6bd}.textbook-search-results>span{display:block;padding:.65rem;color:#9fb2c6}.textbook-related-pages{display:grid;gap:.6rem;margin-top:1rem;padding:.8rem;border:1px solid rgba(95,168,255,.12);border-radius:13px;background:#0a1727}.textbook-related-pages>div{display:grid}.textbook-related-pages nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem}.textbook-related-pages button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.2rem .4rem;text-align:left;border:1px solid rgba(255,255,255,.08);border-radius:10px;background:#102238;color:#f2f7fc;padding:.6rem;cursor:pointer}.textbook-related-pages button small{grid-column:1;color:#8fa6bd}.textbook-related-pages button b{grid-row:1/3;grid-column:2;align-self:center}.textbook-quicklinks{display:grid;gap:.4rem;margin-top:.8rem;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.08)}.textbook-quicklinks button{border:1px solid rgba(255,255,255,.08);border-radius:9px;background:#0d1c2e;color:#dfeaf5;padding:.45rem .55rem;text-align:left;cursor:pointer}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@media(max-width:820px){.textbook-search{min-width:0;width:100%;grid-column:1/-1}.textbook-related-pages nav{grid-template-columns:1fr}}