/* Education Hub book library: restrained components using the existing Nivata visual language. */
.nivata-book-library{background:#f6f4ed;color:#13372f}.nivata-book-controls{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(220px,1fr);gap:18px;margin:30px 0 10px}.nivata-book-controls label{font-size:13px;font-weight:650;display:flex;flex-direction:column;gap:8px}.nivata-book-controls input,.nivata-book-controls select{min-width:0;width:100%;padding:13px 15px;border:1px solid #c5cabb;border-radius:10px;background:#fff;color:#173b32;font:inherit}.nivata-book-count{font-size:14px;color:#405e54;margin:10px 0 26px}.nivata-book-category{margin:0 0 36px}.nivata-book-category>header{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid #c8cec4;margin-bottom:18px;padding-bottom:12px}.nivata-book-category>header h3{margin:0;font-size:clamp(21px,2.3vw,30px)}.nivata-book-category>header small{white-space:nowrap}.nivata-book-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.nivata-book-card{border:1px solid #d2d6ca;background:#fffdf7;border-radius:14px;min-width:0;overflow:hidden}.nivata-book-card details{height:100%}.nivata-book-card summary{display:block;cursor:pointer;position:relative;padding:24px;list-style:none}.nivata-book-card summary::-webkit-details-marker{display:none}.nivata-book-card summary:focus-visible{outline:3px solid #bb9551;outline-offset:-3px}.nivata-book-card__topic{display:block;color:#667759;font-size:11px;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.nivata-book-card h4{font-size:clamp(18px,2vw,24px);line-height:1.2;margin:12px 0 8px;color:#13372f}.nivata-book-card summary p{color:#576d60;font-size:14px;margin:0 0 16px}.nivata-book-card__open{font-size:13px;color:#135542;font-weight:700}.nivata-book-card[open],.nivata-book-card:has(details[open]){border-color:#acb9a4}.nivata-book-card__body{padding:0 24px 23px}.nivata-book-card__body h5{color:#1b4337;font-size:15px;margin:20px 0 6px}.nivata-book-card__body p{color:#36564b;line-height:1.65;font-size:15px;margin:0}.nivata-book-card__links{margin-top:20px;padding-top:15px;border-top:1px solid #d5dacf;display:flex;flex-wrap:wrap;gap:9px 18px}.nivata-book-card__links a{font-size:13px;color:#125544;text-decoration:underline;text-underline-offset:3px}.nivata-book-empty{padding:20px;background:#fff;border-radius:10px}.nivata-book-card[hidden],.nivata-book-category[hidden]{display:none!important}@media(max-width:800px){.nivata-book-cards,.nivata-book-controls{grid-template-columns:1fr}.nivata-book-card summary,.nivata-book-card__body{padding-left:18px;padding-right:18px}}