/* Shared reader-facing layer; payment logic and warehouse engine stay unchanged. */
.checkout-method-choices{border:0;padding:0;margin:16px 0;min-width:0}
.checkout-method-choices legend{font-size:16px;font-weight:700;margin-bottom:12px}
.checkout-form .checkout-method-choices label{display:flex;align-items:center;gap:12px;padding:16px;margin:0 0 12px;border:1px solid #dfd3c2;border-radius:8px;background:#fffdf8;cursor:pointer}
.checkout-form .checkout-method-choices label.is-selected{border:2px solid #823429;padding:15px;background:#fff5e9}
.checkout-form .checkout-method-choices input{width:20px;height:20px;min-width:20px;margin:0;padding:0;accent-color:#823429}
.checkout-form .checkout-method-choices label>span{display:block;margin:0}
.checkout-method-choices b{display:block;font-size:16px;color:#30291f}
.checkout-method-choices small,.checkout-method-choices p{font-size:14px;line-height:1.7;color:#74685b}
/* Product details keep a readable left edge; purchasing never covers the book. */
.product-body .product-summary{max-width:880px;text-align:left;margin:8px auto 26px}
.product-body .product-summary h1{line-height:1.5;margin:12px 0 18px;letter-spacing:.025em}
.product-body .product-summary>p{line-height:1.8;margin:10px 0}
.product-body .product-summary>p:empty{display:none}
.product-body .product-metadata{justify-content:flex-start;gap:8px;margin:12px 0}
.product-body .product-original{margin:16px 0;font-size:14px}
.product-body .product-original summary{text-align:left;min-height:44px;padding:10px 0}
.product-body .product-note{font-size:14px;border-top:1px solid #dfd3c2;padding-top:14px}
.product-body .product-purchase{position:static;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px 24px;padding:22px 24px;max-width:880px;margin:0 auto 16px;box-shadow:none;align-items:center}
.product-body .product-purchase>div{grid-column:1;grid-row:1 / 3;width:auto;margin:0;min-width:0}
.product-body .product-purchase strong{display:block;font-size:28px;line-height:1.4;margin-bottom:8px}
.product-body .product-purchase small{font-size:14px;line-height:1.8;max-width:38em}
.product-body .product-purchase button{grid-column:2;min-height:52px;min-width:180px;padding:12px 24px;font-size:16px;font-weight:700;border-radius:8px}
.product-body .product-purchase>a{grid-column:2;display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid #dfd3c2;border-radius:8px;background:#fffdf8;font-size:14px}
.product-body #product-cart-status{grid-column:1 / -1;line-height:1.8}
.product-body .product-reading{padding-top:24px}
.product-body .cart-feedback{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px}
.product-body .cart-feedback>div{grid-column:1 / -1;padding-right:26px}
.product-body .cart-feedback>a,.product-body .cart-feedback>button.cart-keep{position:static;display:flex;align-items:center;justify-content:center;width:auto;height:auto;min-height:48px;margin:0;padding:10px 8px;font-size:14px;line-height:1.5;border-radius:6px}
.product-body .cart-feedback>button.cart-keep{border:1px solid #823429}
@media(max-width:760px){
  .product-body .product-main{padding:22px 20px 40px}
  .product-body .product-summary h1{font-size:25px}
  .product-body .product-purchase{grid-template-columns:minmax(0,1fr);padding:20px;gap:12px}
  .product-body .product-purchase>div{grid-column:1;grid-row:auto;margin-bottom:6px}
  .product-body .product-purchase button,.product-body .product-purchase>a{grid-column:1;width:100%;min-width:0}
  .product-body .product-purchase strong{font-size:26px}
  .product-body .cart-feedback{padding:16px;gap:12px}
}
.editorial-home .header nav{gap:20px;flex-shrink:0}.editorial-home .header nav>a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;white-space:nowrap}.editorial-home .header nav>a:hover{text-decoration:underline;text-underline-offset:5px}
@media(max-width:900px){.editorial-home .header{flex-wrap:wrap;gap:12px}.editorial-home .header nav{width:100%;justify-content:space-between;gap:8px}.editorial-home .header nav>a{font-size:14px}.editorial-home .header nav>a[href="/cart"]{gap:6px;padding:8px 10px}.editorial-home .header nav [data-cart-count]{min-width:24px;height:24px;padding:0 5px;font-size:14px}}
.assistant-book-cover[data-fallback]::after{content:attr(data-fallback);display:block;padding:20px 5px;font:13px/1.7 system-ui;color:#74685b}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.editorial-home .welcome{grid-template-columns:1.05fr 1fr;gap:44px;padding:42px 0 30px}.editorial-home .welcome h1{font-size:clamp(34px,3.5vw,50px);line-height:1.3;letter-spacing:.035em}.editorial-home .welcome-copy{min-width:0}.editorial-home .welcome-lead{font-size:16px}.editorial-home .welcome-image{margin:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center}.editorial-home .welcome-image img{height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:5px}.welcome-image figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;letter-spacing:.06em}
.editorial-home .search-section{padding:16px 0 13px;border:0;background:none}.editorial-home #cart-message:empty{display:none}.editorial-home .search-status{min-height:24px}.editorial-home #results-panel{padding:24px;background:var(--surface);border:1px solid var(--line);margin:0 0 24px;border-radius:8px}.editorial-home #results{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-block:1px solid var(--line);padding:20px 0}.reader-paths>a{display:flex;align-items:center;gap:14px;padding:6px 20px}.reader-paths>a+a{border-left:1px solid var(--line)}.reader-paths>a:first-child{padding-left:0}.reader-paths h2{font-size:23px}.reader-paths p{font-size:13px;color:var(--muted);margin:5px 0 0}.reader-paths>a>span:last-child{margin-left:auto;color:var(--wine)}.path-symbol{font-family:serif;font-size:32px;color:var(--wine);line-height:1}
.editorial-section{margin-top:54px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px}.section-heading h2{font-size:32px}.section-intro{font-size:14px;color:var(--muted);margin:14px 0 24px}.shelf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.shelf-card{min-width:0;display:flex;flex-direction:column;align-items:start;border-bottom:1px solid var(--line);padding-bottom:18px}.shelf-cover{width:100%;aspect-ratio:4/5;display:grid;place-items:center;background:#f0e9dd;padding:22px;color:var(--muted);font-size:14px;border-radius:4px}.shelf-cover img{width:100%;height:100%;min-height:0;object-fit:contain;filter:drop-shadow(4px 6px 5px #33251920)}.shelf-card h3{font-family:inherit;font-size:18px;line-height:1.6;margin:16px 0 6px;overflow-wrap:anywhere}.shelf-meta{font-size:13px;color:var(--muted);margin:0 0 16px;overflow-wrap:anywhere}.shelf-price{margin-top:auto;color:var(--wine);font-size:16px}.shelf-card small{font-size:12px;color:var(--muted)}.shelf-source{font-size:12px;color:var(--muted);margin:10px 0}.shelf-action{font-size:14px;color:var(--wine);font-weight:700}.shelf-card:hover .shelf-action{text-decoration:underline}
.warehouse-story{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}.warehouse-preview img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:4px}.warehouse-story h2{font-size:36px;line-height:1.45}.warehouse-story p:not(.eyebrow){color:var(--muted)}.warehouse-story small{display:block;color:var(--muted);font-size:12px;margin-top:14px}.reading-note{border-block:1px solid var(--line);padding:30px 0;margin-top:42px}.reading-note h2{font-size:28px}.reading-note p:not(.eyebrow){color:var(--muted)}.buying-note{margin-top:30px;max-width:760px;font-size:14px;color:var(--muted)}.buying-note h2{font-size:22px;color:var(--ink)}.secondary-button{border:1px solid var(--line);border-radius:6px;background:#fffaf2;color:var(--wine);font:inherit;padding:10px 16px;cursor:pointer}
.product-metadata{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.product-metadata span{border:1px solid #dccdb9;padding:3px 10px;border-radius:4px;font-family:system-ui;font-size:14px;background:#fffaf2}.product-original{max-width:850px;margin:14px auto;font-size:13px;text-align:left;color:#74685b;overflow-wrap:anywhere}.product-original summary{cursor:pointer;text-align:center}.product-secondary{font-size:15px;color:#74685b;overflow-wrap:anywhere}.product-code{font-size:12px!important;color:#857865}.product-summary h1{font-size:clamp(25px,3vw,36px)}
.hub-flow-nav .nav-brand{display:flex;align-items:center;gap:7px;margin-right:auto;font-family:serif;font-size:19px;font-weight:bold;color:#30291f}.nav-brand img{width:34px;height:34px;object-fit:contain}.assistant-demo-topbar{height:auto!important;min-height:72px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 24px!important}.assistant-demo-brand{min-width:0}.assistant-demo-status{position:static!important;max-width:100%;margin:0!important;white-space:normal!important;line-height:1.7}.assistant-demo-brand b{font-size:20px}.assistant-demo-shell{max-width:1440px;margin:auto}.assistant-demo-composer-wrap{padding-bottom:18px}.assistant-demo-chat{min-width:0}.assistant-book-card img{background:#f0e9dd}.conversation-tools{border-bottom:1px solid #dfd3c2}.enterprise-services{grid-template-columns:1fr 1fr}.enterprise-services section{padding:20px 0}.enterprise-services h3{font-size:18px;margin-bottom:6px}
@media(max-width:1000px){.reader-paths>a{padding-inline:12px;gap:10px}.reader-paths h2{font-size:20px}.path-symbol{display:none}.shelf-grid{gap:18px}.shelf-card h3{font-size:16px}.shelf-cover{padding:15px}.shelf-source{font-size:11px}.warehouse-story{gap:26px}.hub-flow-nav{gap:15px}.editorial-home .welcome{gap:24px}}
@media(max-width:760px){.editorial-home .header{padding:14px 20px}.editorial-home .header nav{font-size:14px}.editorial-home .welcome{display:flex;flex-direction:column;align-items:stretch;padding:25px 0 20px;gap:22px}.editorial-home .welcome h1{font-size:34px;line-height:1.4;margin-bottom:12px}.editorial-home .welcome h1 br{display:initial}.editorial-home .welcome-lead{font-size:14px}.editorial-home .welcome-image{display:block}.editorial-home .welcome-image img{height:140px;aspect-ratio:auto;object-fit:cover;object-position:center 53%}.welcome-image figcaption{font-size:12px}.editorial-home .search-section{padding:5px 0 12px}.editorial-home .search-row input{padding-inline:12px}.editorial-home .search-status{font-size:13px}.editorial-home #results-panel{padding:16px}.editorial-home #results{grid-template-columns:1fr}.reader-paths{grid-template-columns:1fr;padding:5px 0}.reader-paths>a,.reader-paths>a:first-child{padding:15px 0}.reader-paths>a+a{border-left:0;border-top:1px solid var(--line)}.reader-paths h2{font-size:22px}.reader-paths p{margin:2px 0 0}.path-symbol{display:block;font-size:29px;width:30px}.editorial-section{margin-top:34px}.section-heading{align-items:start}.section-heading h2{font-size:28px}.section-heading>.quiet-link{max-width:85px;font-size:12px;line-height:1.8;text-align:right}.section-heading .eyebrow{font-size:12px}.shelf-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 16px}.shelf-cover{padding:12px}.shelf-card h3{font-size:16px;margin-top:12px}.shelf-meta{font-size:12px}.shelf-price{font-size:14px}.shelf-source{line-height:1.8}.warehouse-story{grid-template-columns:1fr;gap:23px}.warehouse-story h2{font-size:30px}.warehouse-story h2 br{display:none}.reading-note{margin-top:30px}.hub-flow-nav{padding:12px 16px;gap:13px}.hub-flow-nav .nav-brand{width:100%;font-size:20px;margin-bottom:3px}.assistant-demo-topbar{padding:12px 16px!important;gap:8px}.assistant-demo-brand b{font-size:18px}.assistant-demo-status{font-size:12px;width:100%}.assistant-demo-brand small{font-size:12px}.product-summary h1{font-size:25px}.product-secondary{font-size:14px}.enterprise-services{grid-template-columns:1fr}}
.transaction-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0 28px;font:14px/1.5 system-ui;color:#74685b}.transaction-steps span{display:flex;gap:8px;align-items:center;border-bottom:2px solid #dfd3c2;padding:10px 0}.transaction-steps b{display:grid;place-items:center;width:26px;height:26px;flex-shrink:0;border-radius:50%;background:#eee5d8}.transaction-steps [aria-current=step]{border-color:#82382c;color:#82382c;font-weight:700}.transaction-steps [aria-current=step] b{background:#82382c;color:white}
.amount-summary{padding:22px;background:#fffaf2;border:1px solid #dfd3c2;border-radius:12px;margin:20px 0;font:15px/1.7 system-ui}.amount-summary h2{font-size:21px;margin:0 0 18px}.amount-summary h2 small{display:block;font-size:13px;font-weight:400;color:#74685b}.amount-summary dl{margin:0}.amount-summary dl>div{display:flex;justify-content:space-between;gap:20px;margin:10px 0}.amount-summary dd{margin:0;text-align:right;overflow-wrap:anywhere}.amount-summary dt{flex-shrink:0}.amount-summary p{font-size:13px;color:#74685b}.amount-total{padding-top:12px;border-top:1px solid #dfd3c2;font-weight:bold;font-size:20px}.line-amount{display:grid;gap:3px;margin:10px 0;font:14px/1.65 system-ui}.line-amount small{color:#74685b}.quantity-control{display:inline-flex;align-items:center;gap:10px;margin-right:18px}.quantity-control input{width:78px;min-height:44px;padding:8px;border:1px solid #bbaa93;border-radius:6px;font:16px system-ui}.cart-page button,.cart-page .button,.transaction-checkout button{min-height:44px;cursor:pointer}.cart-page .cart-actions{flex-wrap:wrap;gap:16px}.cart-page h2{overflow-wrap:anywhere}.transaction-checkout .checkout-grid{align-items:start}.transaction-checkout input,.transaction-checkout select{font-size:16px!important;min-height:46px;width:100%;box-sizing:border-box;scroll-margin:24px}.transaction-checkout input[type=radio]{width:20px;min-height:20px}.transaction-checkout .checkout-form>label{display:grid;gap:7px;margin:18px 0}.transaction-checkout .checkout-form>button{width:100%}.transaction-checkout .checkout-form>small{display:block;margin-top:14px}.transaction-checkout .checkout-books{padding:22px;border:1px solid #dfd3c2;border-radius:12px}.transaction-checkout .checkout-books summary{font-weight:700;cursor:pointer}.transaction-checkout .checkout-books article{padding:16px 0}.transaction-checkout .checkout-books article>div{min-width:0}.transaction-checkout .checkout-books b{overflow-wrap:anywhere}.field-error{color:#973426}.transaction-checkout [aria-invalid=true]{border:2px solid #973426}.simulation-panel{border:1px dashed #bbaa93;padding:18px;margin:24px 0;border-radius:8px}.simulation-panel [role=status]{color:#82382c;font-weight:700}.transaction-checkout button:disabled{opacity:.55;cursor:not-allowed}.transaction-checkout .quiet-button,.quiet-button{border:1px solid #bbaa93;border-radius:6px;background:transparent;color:#684736;padding:9px 14px;font:14px system-ui}.assistant-book-price{font-size:14px;color:#82382c}.assistant-related,.assistant-search-fallback{padding:16px 22px;margin:8px 0;background:#fffaf2;border-radius:10px}.assistant-related h3{font-size:17px}.assistant-search-fallback a{display:inline-block;min-height:44px;line-height:2.7;text-decoration:underline}
@media(max-width:760px){.transaction-checkout{padding:18px 16px 40px!important}.transaction-checkout .checkout-grid{display:flex;flex-direction:column;gap:20px}.transaction-checkout .checkout-summary,.transaction-checkout .checkout-form,.transaction-checkout .checkout-test-payment{width:100%;min-width:0;box-sizing:border-box}.transaction-checkout .checkout-form,.transaction-checkout .checkout-test-payment{padding:22px 16px}.transaction-checkout .checkout-head{flex-wrap:wrap;gap:12px}.transaction-checkout .checkout-head>a{width:100%}.transaction-checkout .checkout-head h1{font-size:25px}.transaction-checkout .checkout-preview-banner{align-items:start}.transaction-steps{font-size:12px;gap:8px}.transaction-steps span{flex-direction:column;align-items:start;gap:6px}.amount-summary{padding:18px 14px}.amount-summary dl>div{gap:12px}.amount-summary dt{max-width:50%;flex-shrink:1}.transaction-checkout .checkout-method-choices label{min-width:0}.transaction-checkout .checkout-test-actions{display:grid;grid-template-columns:1fr}.cart-page .cart-items .book{grid-template-columns:64px minmax(0,1fr);gap:12px}.cart-page .book-cover{width:64px}.cart-page{padding-inline:16px}.cart-page .book h2{font-size:18px}}
.transaction-checkout .checkout-books article{display:block;grid-template-columns:none}.transaction-checkout .checkout-books article>div{width:100%}.transaction-checkout .checkout-form{gap:12px}.transaction-checkout .checkout-form>label{margin:6px 0}.transaction-checkout .checkout-form h2{margin-bottom:8px}.transaction-checkout .checkout-form>p{margin:4px 0 12px}
.transaction-checkout .summary-edit{display:inline-block;min-height:44px;padding:12px 0}.transaction-checkout .checkout-books article b{font-size:15px}.transaction-checkout .checkout-books article small{font-size:12px}.transaction-checkout .checkout-form>label>span{font-size:14px}