/* Public book detail page */

/* Bibliographic details use paired columns at every screen size. */
.book-metadata{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:8px;margin:21px 0;padding:14px 0;border-block:1px solid #e8ede8}
.book-metadata>.book-metadata-item{display:block;min-width:0;margin:0;padding:9px 11px;border:1px solid #e9eee9;border-radius:7px;background:#f9fbf9}
.book-metadata-item>dt{margin:0 0 3px;color:#53615b;font:600 9px/1.35 var(--sans);letter-spacing:.045em;text-transform:uppercase}
.book-metadata-item>dd{min-width:0;margin:0;color:#263b34;font:650 12px/1.45 var(--sans);overflow-wrap:anywhere}
.book-metadata-item>.book-metadata-formats{display:flex;flex-wrap:wrap;gap:4px}
.book-metadata-formats>span{display:inline-flex;align-items:center;padding:1px 6px;border:1px solid #dce8e0;border-radius:4px;background:#edf4ef;color:#246c5d;font-size:10px;line-height:1.5}
.book-metadata-isbn>dd{font-size:11px;font-variant-numeric:tabular-nums}
.book-metadata-published{grid-column:1}.book-metadata-published+.book-metadata-isbn{grid-column:2}
.book-metadata-series a{color:#216e65;text-decoration:underline;text-decoration-color:#bcd4c9;text-underline-offset:3px}
@media(max-width:700px){.book-metadata{gap:7px;margin:17px 0;padding:12px 0}.book-metadata>.book-metadata-item{padding:8px 9px}.book-metadata-item>dt{font-size:8px}.book-metadata-item>dd{font-size:11px}}
.book-detail{padding:34px 0 78px;background:linear-gradient(180deg,#f2f4ef 0,#f7f7f3 235px,var(--paper) 520px)}
.book-breadcrumbs{margin:0 0 25px;color:#53615b;font-size:11px;gap:11px;overflow-wrap:anywhere}
.book-breadcrumbs span[aria-current=page]{color:#55645f;max-width:min(44vw,400px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.book-detail-grid{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:clamp(38px,6vw,82px);align-items:start}
.detail-cover-wrap{position:sticky;top:28px;min-width:0}
.detail-cover-frame{padding:16px;border:1px solid #e8eae4;border-radius:12px;background:rgba(255,255,255,.76);box-shadow:0 15px 48px rgba(25,39,42,.08)}
.detail-cover{width:100%;max-width:none;aspect-ratio:2/3;border-radius:5px;box-shadow:0 12px 28px rgba(23,36,32,.17)}
.detail-cover img{object-fit:cover}
.detail-cover .cover-monogram{font-size:86px;line-height:1;opacity:.38}
.detail-cover .cover-title{font-size:clamp(22px,2vw,30px);line-height:1.16}
.detail-cover-categories{justify-content:center;margin-top:15px}
.book-detail-copy{max-width:810px;min-width:0;padding:30px clamp(24px,4vw,52px) 34px;border:1px solid #e9eae5;border-radius:12px;background:rgba(255,255,255,.88);box-shadow:0 14px 46px rgba(25,39,42,.045)}
.book-detail-heading{padding-bottom:25px;border-bottom:1px solid #edf0eb}
.book-edition{margin:0 0 7px;font-size:10px}
.book-detail-copy h1{max-width:17ch;margin:15px 0 9px;font-size:clamp(38px,4.1vw,56px);line-height:1.05;overflow-wrap:anywhere}
.book-subtitle{font-size:19px;line-height:1.5}
.byline{display:flex;align-items:center;gap:11px;margin:21px 0 0;color:#66736e;font-size:12px;line-height:1.65}
.byline-avatar{display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;border:1px solid #dbe8e1;border-radius:50%;background:#edf4ef;color:#247468;font-size:14px;font-weight:750}
.byline>span:last-child{min-width:0}
.byline a{color:#216e65}
.byline-publisher{display:block;color:#56635e;font-size:11px}
.book-overview{padding:25px 0 2px}
.book-overview h2{margin:0 0 10px;color:#263532;font:650 19px/1.3 var(--serif);letter-spacing:-.02em}
.book-description{color:#56635e;font-size:13px;line-height:1.85;overflow-wrap:anywhere}
.book-description-content{min-width:0}
.book-description summary{display:inline-flex;align-items:center;gap:8px;margin-top:9px;padding:6px 0;border:0;background:transparent;color:#1d7973;cursor:pointer;font-size:11px;font-weight:750;list-style:none}
.book-description summary::-webkit-details-marker{display:none}
.book-description summary:after{content:"↓";font-size:14px;transition:transform .16s}
.book-description[open] summary:after{content:"↑"}
.book-description summary:focus-visible{outline:2px solid #1d7973;outline-offset:3px;border-radius:3px}
.read-less-label{display:none}
.book-description[open] .read-more-label{display:none}
.book-description[open] .read-less-label{display:inline}
.book-description p{margin:0 0 13px}
.book-description p:last-child{margin-bottom:0}
.book-description h2,.book-description h3{color:#263532;line-height:1.3;margin:23px 0 9px}
.book-description ul,.book-description ol{margin:0 0 14px}

/* A standalone download button, without an enclosing card. */
.detail-downloads{margin-top:18px;padding:0;border:0;border-radius:0;background:none}
.download-options{display:flex;flex-wrap:wrap;gap:12px 22px}
.download-choice{display:flex;align-items:center;gap:12px;min-width:0}
.book-download-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:11px 24px;border:1px solid #1c625c;border-radius:8px;background:linear-gradient(180deg,#247e74,#1d685f);box-shadow:0 3px 8px rgba(29,104,95,.16);color:#fff;font:700 12px/1.5 var(--sans);text-decoration:none;transition:background .16s,box-shadow .16s,transform .16s}
.book-download-action svg{flex-shrink:0}
.book-download-action:hover{background:#195e56;box-shadow:0 5px 12px rgba(29,104,95,.23);transform:translateY(-1px)}
.book-download-action:active{transform:translateY(0);box-shadow:0 1px 4px rgba(29,104,95,.16)}
.book-download-action:focus-visible{outline:3px solid rgba(29,121,115,.3);outline-offset:3px}
.book-download-action[aria-disabled=true]{opacity:.72;cursor:wait;transform:none}
.download-file-size{color:#53615b;font:400 10px/1.5 var(--sans);white-space:nowrap}
.download-message{margin:0;color:#53615b;font-size:12px}
.download-countdown{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 12px;margin-top:12px;color:#53615b;font-size:11px}
.download-countdown[hidden],.download-countdown-cancel[hidden]{display:none}
.download-countdown-cancel{border:0;padding:4px 0;background:transparent;color:#26756a;font:700 10px var(--sans);text-decoration:underline;cursor:pointer}
@media(max-width:700px){.detail-downloads{margin-top:16px}.download-choice{width:100%}.book-download-action{flex:1;min-width:0;padding-inline:16px}}
@media(prefers-reduced-motion:reduce){.book-download-action{transition:none}.book-download-action:hover{transform:none}}
.book-detail-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:19px}
.detail-categories{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:0}
.detail-category-label{margin-right:4px;color:#53615b;font-size:10px}
.detail-categories a{display:inline-flex;align-items:center;gap:8px;padding:6px 9px;border-color:#e5e9e4;border-radius:99px;background:#fff;color:#53635c;font-size:9px;letter-spacing:0;text-transform:none}
.detail-categories a:hover{border-color:#bdd6c9;color:#216c5e}
.detail-categories a span{color:#729485}
.book-detail-footer .buy-link{margin:0;min-height:36px;font-size:10px}
.related-section{padding-top:54px}
.related-section .section-heading{padding-bottom:18px;border-bottom:1px solid #e8ebe5}
.related-section .book-card{overflow:hidden;border:1px solid #e9ece7;border-radius:9px;background:#fff;box-shadow:0 7px 24px rgba(25,39,42,.045);transition:transform .18s,box-shadow .18s}
.related-section .book-card:hover{transform:translateY(-3px);box-shadow:0 13px 30px rgba(25,39,42,.1)}
.related-section .cover-link{padding:10px 10px 0}
.related-section .book-cover{border-radius:5px;box-shadow:none}
.related-section .cover-open{border-radius:50%}
.related-section .book-card-info{padding:12px 13px 14px}
.related-section .book-title{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-height:1.35}
.related-section .book-card-info>p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.related-section .book-card-meta{padding-top:8px;border-top:1px solid #eff1ed}
@media(max-width:900px){.book-detail-grid{grid-template-columns:minmax(220px,285px) minmax(0,1fr);gap:30px}.book-detail-copy{padding:26px 25px 29px}}
@media(max-width:700px){.book-detail{padding:22px 0 50px;background:linear-gradient(180deg,#f2f4ef 0,#f8f8f5 245px,var(--paper) 480px)}.book-breadcrumbs{margin-bottom:18px}.book-detail-grid{grid-template-columns:minmax(0,1fr);gap:23px}.detail-cover-wrap{position:static;display:flex;flex-direction:column;align-items:center}.detail-cover-frame{width:min(56vw,224px);padding:9px;border-radius:9px}.detail-cover{border-radius:4px}.detail-cover .cover-monogram{font-size:66px}.detail-cover .cover-title{font-size:20px}.detail-cover-categories{margin-top:11px}.detail-cover-categories .detail-category-label{width:auto;margin:0 4px 0 0}.book-detail-copy{width:100%;max-width:none;padding:22px 20px 23px;border-radius:10px}.book-detail-heading{padding-bottom:19px}.book-detail-copy h1{max-width:none;margin-top:12px;font-size:clamp(34px,9vw,43px);line-height:1.06}.book-subtitle{font-size:17px;margin-bottom:12px}.byline{margin-top:16px}.book-overview{padding-top:20px}.book-overview h2{font-size:18px}.book-description{font-size:13px;line-height:1.8}.book-detail-footer{align-items:flex-start;flex-direction:column}.detail-categories{gap:6px}.detail-category-label{width:100%;margin:0 0 2px}.book-detail-footer .buy-link{align-self:stretch}.related-section{padding-top:42px}.related-section .book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.related-section .cover-link{padding:8px 8px 0}.related-section .book-card-info{padding:10px 10px 12px}}
@media(max-width:380px){.book-detail-copy{padding:19px 15px}.book-detail-copy h1{font-size:34px}}


/* Refined book-title hierarchy on wide and narrow screens. */
.book-detail-copy h1{font-size:clamp(36px,3.6vw,49px);font-weight:500;line-height:1.08;letter-spacing:-.035em}
@media(max-width:700px){.book-detail-copy h1{font-size:clamp(32px,8vw,39px);font-weight:500;line-height:1.1;letter-spacing:-.03em}}

/* Show a three-line text preview before the native disclosure control. */
.book-description summary{display:block;width:100%;margin:0;padding:0;line-height:1.85}
.book-description-preview{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;margin:0 0 7px;color:#56635e;font-size:13px;font-weight:400;line-height:1.85}
.book-description[open] .book-description-preview{display:none}
.book-description .book-description-content{padding-top:4px}