:root{--background:#f8fafc;--foreground:#111827;--brand-ink:#10232f;--brand-primary:#155e6f;--brand-secondary:#5f6b7a;--brand-gold:#fbbf24;--brand-gold-hover:#f59e0b;--brand-accent:#3b82f6;--book-ink:#111827;--book-muted:#6b7280;--book-paper:#faf7f0;--book-card:#fff;--book-gold:#b7791f;--book-gold-soft:#fff3d6;--book-border:#e5e0d8;--offer-accent:var(--book-gold);--offer-accent-soft:var(--book-gold-soft);--offer-accent-ring:#b7791f29;--font-body:var(--font-inter), system-ui, sans-serif;--font-heading:var(--font-literata), Georgia, serif}html{font-size:16px}body{background:var(--background);color:var(--foreground);font-family:var(--font-body)}.book-detail-card{background:var(--book-card)}.book-title,.book-section-heading{color:var(--book-ink);letter-spacing:0}.book-title{font-family:var(--font-heading);font-weight:680}.book-section-heading{font-family:var(--font-body);letter-spacing:0;font-weight:700}.book-format-chip{font-family:var(--font-body);border:1px solid #b7791f38;font-weight:700;background:var(--book-gold-soft)!important;color:var(--book-ink)!important}.book-description-panel{background:var(--book-paper);border:1px solid var(--book-border)}.book-description-toggle{color:var(--brand-primary);font-family:var(--font-body);min-height:32px;font-weight:700;text-decoration:none}.book-description-toggle:hover,.book-description-toggle:focus-visible{color:var(--brand-ink);text-decoration:underline}.book-detail-row{gap:1rem}.book-detail-row span{flex:none}.book-detail-row strong{text-align:right;overflow-wrap:anywhere;min-width:0}.filter-panel-toggle{color:var(--brand-ink);min-height:44px}.filter-panel-toggle:hover,.filter-panel-toggle:focus-visible{color:var(--brand-primary)}.search-result-cover-link{width:96px}.search-result-cover{aspect-ratio:2/3;background-color:var(--bs-tertiary-bg);border-radius:.5rem;width:100%;overflow:hidden}.how-it-works-card{border-top:4px solid var(--brand-gold)!important}.how-it-works-step{justify-content:center;align-items:center;gap:.65rem;display:inline-flex}.how-it-works-number,.how-it-works-icon{justify-content:center;align-items:center;display:inline-flex}.how-it-works-number{background:var(--brand-gold);color:var(--brand-ink);border-radius:999px;width:34px;height:34px;font-size:1rem;font-weight:800}.how-it-works-icon{color:var(--brand-primary)}.seller-pill-list{flex-wrap:wrap;justify-content:center;gap:.85rem;display:flex}.seller-pill{color:#fff;background:#ffffff14;border:1px solid #ffffff29;border-radius:999px;min-height:46px;padding:.65rem 1.15rem;font-weight:750}.site-footer{padding-block:3rem 2rem}.site-footer-brand{font-size:1.25rem;font-weight:800}.site-footer-copy,.site-footer-bottom{color:#ffffffa8}.site-footer-heading{color:#ffffffdb;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;font-weight:800}.site-footer-links{flex-wrap:wrap;justify-content:flex-start;gap:.85rem 1.25rem;display:flex}.site-footer-links a{color:#ffffffdb;font-weight:650;text-decoration:none}.site-footer-links a:hover,.site-footer-links a:focus-visible{color:var(--brand-gold);text-decoration:underline}.site-footer-bottom{border-top:1px solid #ffffff1f;margin-top:2rem;padding-top:1.25rem;font-size:.9rem}@media (min-width:992px){.site-footer-heading,.site-footer-links,.site-footer-bottom{text-align:right}.site-footer-links{justify-content:flex-end}}.featured-textbook-carousel .carousel-control-prev,.featured-textbook-carousel .carousel-control-next{opacity:1;width:4.5rem}.featured-textbook-carousel .carousel-control-prev-icon,.featured-textbook-carousel .carousel-control-next-icon{background-color:var(--brand-ink);background-size:54%;border-radius:999px;width:2.65rem;height:2.65rem;box-shadow:0 8px 22px #10232f38}.featured-textbook-carousel .carousel-control-prev:focus-visible .carousel-control-prev-icon,.featured-textbook-carousel .carousel-control-next:focus-visible .carousel-control-next-icon,.featured-textbook-carousel .carousel-control-prev:hover .carousel-control-prev-icon,.featured-textbook-carousel .carousel-control-next:hover .carousel-control-next-icon{background-color:var(--brand-primary)}.trust-clarity-section{background:#fff}.trust-clarity-card{border:1px solid #10232f14!important}.trust-clarity-heading{align-items:center;gap:.85rem;display:flex}.trust-clarity-icon{color:var(--brand-primary);background:#155e6f1a;border-radius:14px;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.3rem;display:inline-flex}.trust-clarity-heading h3{min-width:0}.final-search-cta{background:var(--background)}.final-search-panel{background:#fff;border:1px solid #10232f14;border-radius:24px;max-width:900px;padding:3rem;box-shadow:0 18px 50px #10232f14}.final-search-form{max-width:760px}.final-search-group{background:#fff;border:1px solid #10232f24;border-radius:14px;padding:.35rem;box-shadow:0 14px 30px #10232f14}.final-search-input{color:var(--foreground);border:0;height:54px;padding-inline:1rem;box-shadow:none!important;border-radius:10px!important}.final-search-button{min-width:170px;font-weight:800;background:var(--brand-gold)!important;color:var(--foreground)!important;border:0!important;border-radius:10px!important}.final-search-button:hover,.final-search-button:focus-visible{background:var(--brand-gold-hover)!important;color:var(--foreground)!important}@media (min-width:576px){.search-result-cover-link{width:100%}}@media (max-width:767.98px){.final-search-panel{padding:2rem 1.25rem}.final-search-group{display:block}.final-search-input,.final-search-button{width:100%}.final-search-button{min-height:52px;margin-top:.45rem}}@media (min-width:768px) and (max-width:991.98px){.trust-clarity-heading{flex-direction:column;align-items:flex-start}}.btn-primary{background-color:var(--brand-primary);border-color:var(--brand-primary)}.btn-primary:hover{background-color:var(--brand-ink);border-color:var(--brand-ink)}.text-accent{color:var(--brand-accent)}.text-gold{color:var(--brand-gold)}.bg-brand-ink{background-color:var(--brand-ink)}.bg-brand-primary{background-color:var(--brand-primary)}.text-brand-primary{color:var(--brand-primary)}.legal-copy{line-height:1.75}.legal-copy h2{color:var(--brand-ink)}.book-condition-tab{appearance:none;color:var(--book-ink);font-family:var(--font-body);background:0 0;border:0;min-width:92px;min-height:44px;padding:.85rem 1.15rem;font-weight:700;position:relative}.book-condition-tab:hover,.book-condition-tab:focus-visible{background:var(--book-paper);outline:2px solid #0000}.book-condition-tab.active{color:var(--book-ink)}.book-condition-tab.active:after{background:var(--offer-accent);content:"";height:3px;position:absolute;bottom:0;left:1rem;right:1rem}.book-offer-card{background:var(--book-card);border:1px solid var(--book-border);box-shadow:none;border-radius:.8rem;padding:1rem}.book-offer-card.is-highlighted{border-color:var(--offer-accent);box-shadow:0 0 0 1px var(--offer-accent-ring)}.book-offer-grid{grid-template-columns:minmax(190px,1.45fr) repeat(3,minmax(86px,.64fr)) minmax(98px,.72fr) 140px;align-items:center;gap:.85rem;display:grid}.book-offer-vendor{align-items:center;gap:1rem;min-width:0;display:flex}.book-offer-logo{background:var(--offer-accent-soft);color:var(--offer-accent);border-radius:.55rem;flex:0 0 44px;justify-content:center;align-items:center;width:44px;height:44px;font-weight:800;display:inline-flex}.book-offer-metric{text-align:center;background:#fff;border:1px solid #eeeae2;border-radius:.65rem;min-height:58px;padding:.55rem .75rem}.book-offer-total{text-align:center;background:#fff8e6;border:1px solid #b7791f33;border-radius:.65rem;min-height:58px;padding:.55rem .75rem}.book-offer-value{color:var(--book-muted);font-family:var(--font-body);font-weight:700;line-height:1.2;display:block}.book-offer-label{color:var(--book-muted);margin-top:.15rem;font-size:.78rem;font-weight:500;line-height:1.25;display:block}.book-offer-total strong{color:var(--book-ink);font-family:var(--font-body);font-size:1.35rem;font-weight:800;line-height:1.1;display:block}.book-best-badge{background:var(--book-gold-soft);color:var(--book-gold);border:1px solid #b7791f3d;border-radius:999px;margin-bottom:.25rem;padding:.24rem .45rem;font-size:.68rem;font-weight:800;line-height:1;display:inline-block}.book-offer-button{background:var(--book-ink);border-color:var(--book-ink);font-family:var(--font-body);text-transform:none;white-space:nowrap;border-radius:12px;justify-content:center;align-items:center;gap:.45rem;width:140px;min-height:44px;padding-inline:1rem;font-weight:700;transition:background-color .16s,box-shadow .16s,transform .16s;display:inline-flex}.book-offer-button:hover,.book-offer-button:focus-visible{background:#101820;border-color:#101820;transform:translateY(-1px);box-shadow:0 8px 18px #17212b2e}.book-offer-button:focus-visible,.book-condition-tab:focus-visible{outline-offset:2px;outline:3px solid #b7791f59}@media (max-width:1399.98px){.book-offer-grid{grid-template-columns:minmax(220px,1fr) repeat(4,minmax(96px,.7fr))}.book-offer-action{grid-column:1/-1}.book-offer-button{width:140px}}@media 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