/* SAP Book Catalog V2 */
:root{--sap-navy:#0d3268;--sap-navy-dark:#071f45;--sap-magenta:#ec1765;--sap-ink:#17213a;--sap-muted:#68758a;--sap-line:#dde3ec;--sap-soft:#f6f8fb;--sap-white:#fff}
.sap-book-catalog{font-family:"DM Sans",Arial,sans-serif;background:#fff;color:var(--sap-ink);padding:2.4rem 0 5.5rem}
.sap-book-catalog-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;border-bottom:1px solid var(--sap-line);padding:1rem 0 2rem;margin-bottom:1.4rem}
.sap-book-kicker{font-size:.72rem;font-weight:700;letter-spacing:.13em;color:var(--sap-magenta);margin-bottom:.55rem}.sap-book-catalog-intro h1{font-size:clamp(2.15rem,4vw,3.3rem);line-height:1;color:var(--sap-navy-dark);font-weight:700;margin:0 0 .75rem}.sap-book-catalog-intro p{max-width:790px;margin:0;color:#526179;line-height:1.65;font-size:1rem}.sap-book-count{border-left:3px solid var(--sap-magenta);padding-left:1rem;display:flex;flex-direction:column;min-width:104px}.sap-book-count strong{font-size:2rem;line-height:1;color:var(--sap-navy-dark)}.sap-book-count span{text-transform:uppercase;letter-spacing:.08em;font-size:.69rem;color:var(--sap-muted);margin-top:.35rem}
.sap-book-searchbar{background:#f4f6f9;border-top:1px solid var(--sap-line);border-bottom:1px solid var(--sap-line);padding:.9rem;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.8rem;margin-bottom:1.6rem}.sap-book-search{display:flex;align-items:center;gap:.7rem;background:#fff;border:1px solid #cbd4e1;height:48px;padding:0 .9rem}.sap-book-search:focus-within{border-color:var(--sap-navy);box-shadow:0 0 0 2px rgba(13,50,104,.07)}.sap-book-search svg{width:20px;color:var(--sap-navy)}.sap-book-search input{border:0;outline:0;width:100%;font-size:.93rem;color:var(--sap-ink);background:transparent}.sap-book-sort{font-size:.75rem;color:var(--sap-muted);display:flex;align-items:center;gap:.55rem}.sap-book-sort select,.sap-book-results-meta select{border:1px solid #cbd4e1;background:#fff;height:48px;color:var(--sap-navy-dark);padding:0 .8rem}
.sap-book-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:2rem;align-items:start}.sap-book-filters{position:sticky;top:1.25rem;border-top:4px solid var(--sap-navy)}.sap-book-filter-head{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0;border-bottom:1px solid var(--sap-line);font-size:.95rem;color:var(--sap-navy-dark)}.sap-book-filter-head button{border:0;background:none;color:var(--sap-magenta);font-size:.75rem;cursor:pointer}.sap-book-filter-group{border-bottom:1px solid var(--sap-line);padding:.8rem 0}.sap-book-filter-group summary{cursor:pointer;list-style:none;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--sap-navy-dark);margin-bottom:.45rem}.sap-book-filter-group summary::-webkit-details-marker{display:none}.sap-book-filter-group summary:after{content:"−";float:right;color:#778399}.sap-book-filter-group:not([open]) summary:after{content:"+"}.sap-book-filter-group label{display:flex;gap:.55rem;align-items:flex-start;margin:.48rem 0;font-size:.82rem;line-height:1.28;color:#4d5b71;cursor:pointer}.sap-book-filter-group input{accent-color:var(--sap-magenta);margin-top:.12rem}
.sap-book-results-meta{display:flex;justify-content:space-between;align-items:center;min-height:48px;border-bottom:1px solid var(--sap-line);padding:0 0 .85rem;margin-bottom:.95rem;font-size:.78rem;color:var(--sap-muted)}.sap-book-results-meta label{display:flex;align-items:center;gap:.5rem}.sap-book-results-meta select{height:34px}
.sap-book-results{display:flex;flex-direction:column;gap:.85rem}.sap-book-card{display:grid;grid-template-columns:118px minmax(0,1fr) 122px;gap:1.2rem;align-items:start;border:1px solid var(--sap-line);background:#fff;padding:1.05rem;position:relative;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.sap-book-card:before{content:"";position:absolute;left:-1px;top:-1px;bottom:-1px;width:3px;background:transparent;transition:background .16s ease}.sap-book-card:hover{transform:translateY(-2px);border-color:#c0cad8;box-shadow:0 8px 24px rgba(15,44,84,.09);z-index:1}.sap-book-card:hover:before{background:var(--sap-magenta)}
.sap-book-cover-wrap{background:#f1f3f6;min-height:164px;display:flex;align-items:flex-start;justify-content:center;border:1px solid #e1e5eb}.sap-book-cover{display:block;width:116px;max-height:170px;object-fit:contain;background:#fff}.sap-book-info{min-width:0}.sap-book-eyebrow{display:flex;flex-wrap:wrap;gap:.45rem .75rem;margin:.05rem 0 .38rem;color:#79869a;font-size:.66rem;text-transform:uppercase;letter-spacing:.055em}.sap-book-eyebrow span+span{border-left:1px solid #cbd3de;padding-left:.75rem}.sap-book-info h2{font-size:1.16rem;line-height:1.28;font-weight:700;color:var(--sap-navy-dark);margin:0 0 .45rem}.sap-book-description{font-size:.86rem;line-height:1.5;color:#56647a;margin:0 0 .75rem}.sap-book-editions{display:grid;gap:.55rem}.sap-book-edition{border-top:1px solid #edf0f4;padding-top:.48rem}.sap-book-isbn{font-size:.78rem;color:#4f5d72;margin-bottom:.33rem}.sap-book-isbn strong{color:var(--sap-navy-dark);font-weight:700}.sap-book-format-links{display:flex;flex-wrap:wrap;gap:.45rem}.sap-book-format-links a{font-size:.72rem;text-decoration:none;color:var(--sap-navy);border:1px solid #c7d1de;padding:.25rem .47rem;background:#fff}.sap-book-format-links a:hover{border-color:var(--sap-magenta);color:var(--sap-magenta)}.sap-book-action{display:flex;justify-content:flex-end;align-items:flex-start}.sap-full-record{display:inline-flex;align-items:center;gap:.45rem;color:var(--sap-navy);font-size:.8rem;font-weight:700;text-decoration:none;border-bottom:1px solid var(--sap-navy);padding-bottom:.18rem;white-space:nowrap}.sap-full-record:hover{color:var(--sap-magenta);border-color:var(--sap-magenta)}
.sap-book-pagination{display:flex;justify-content:center;gap:.3rem;padding-top:1.5rem}.sap-book-pagination button{min-width:34px;height:34px;border:1px solid #ccd5e1;background:#fff;color:var(--sap-navy);font-size:.78rem}.sap-book-pagination button:hover,.sap-book-pagination button[aria-current="page"]{background:var(--sap-navy);color:#fff;border-color:var(--sap-navy)}.sap-book-empty{border:1px solid var(--sap-line);padding:2.3rem;text-align:center;background:#fafbfc;color:var(--sap-muted)}.sap-book-empty strong,.sap-book-empty span{display:block}.sap-book-empty strong{color:var(--sap-navy-dark);margin-bottom:.3rem}.sap-book-mobile-filters{display:none}
@media(max-width:991px){.sap-book-layout{grid-template-columns:1fr}.sap-book-filters{display:none;position:static;border:1px solid var(--sap-line);border-top:4px solid var(--sap-navy);padding:0 1rem}.sap-book-filters.is-open{display:block}.sap-book-mobile-filters{display:block;margin:0 0 1rem auto;border:1px solid var(--sap-navy);background:#fff;color:var(--sap-navy);padding:.55rem .9rem;font-weight:700}.sap-book-card{grid-template-columns:105px minmax(0,1fr)}.sap-book-action{grid-column:2;justify-content:flex-start}.sap-book-catalog-intro{align-items:flex-start}.sap-book-count{display:none}}
@media(max-width:650px){.sap-book-catalog{padding-top:1.2rem}.sap-book-searchbar{grid-template-columns:1fr}.sap-book-sort{justify-content:space-between}.sap-book-card{grid-template-columns:82px minmax(0,1fr);gap:.85rem;padding:.8rem}.sap-book-cover-wrap{min-height:115px}.sap-book-cover{width:80px;max-height:118px}.sap-book-info h2{font-size:1rem}.sap-book-description{font-size:.8rem}.sap-book-eyebrow span:nth-child(3){display:none}.sap-book-results-meta{align-items:flex-start;gap:.5rem;flex-direction:column}.sap-book-action{grid-column:2}.sap-book-catalog-intro p{font-size:.92rem}}