.shop-main { padding-block: 48px 70px; }
.shop-workbench { display: grid; grid-template-columns: minmax(0, 1fr) minmax(350px, .73fr); gap: clamp(40px, 7vw, 100px); align-items: start; }
.shop-workbench > *, .product-sheet > * { min-width: 0; }
.shop-product .eyebrow { margin-bottom: 15px; }
.shop-product h1 { max-width: none; margin-bottom: 28px; font-size: clamp(2.3rem, 4vw, 3.5rem); letter-spacing: -.065em; line-height: .98; }
.product-sheet { display: grid; grid-template-columns: minmax(150px, .9fr) minmax(180px, .7fr); align-items: center; gap: 30px; }
.shop-cover { position: relative; margin: 0 8px 14px 7px; }
.shop-cover::before { position: absolute; inset: 5% -7% -3% 7%; z-index: -1; content: ""; background: var(--acid); transform: rotate(3deg); }
.shop-cover img { display: block; width: 100%; height: auto; box-shadow: 10px 13px 0 rgba(17, 21, 24, .12); transform: rotate(-3deg); }
.product-format { margin-bottom: 22px; font-size: .86rem; font-weight: 750; line-height: 1.5; }
.unit-price { display: grid; gap: 8px; margin-bottom: 24px; font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 900; letter-spacing: -.055em; line-height: 1; }
.unit-price small { color: var(--ink-soft); font-size: .73rem; font-weight: 550; letter-spacing: 0; line-height: 1.35; }
.product-shipping { max-width: 18rem; margin-bottom: 22px; color: var(--ink-soft); font-size: .8rem; line-height: 1.5; }
.product-register { display: inline-block; padding-top: 13px; border-top: 1px solid var(--line); color: var(--red); font-size: .58rem; font-weight: 850; letter-spacing: .11em; }
.product-context { margin-top: 38px; }
.product-context .book-subtitle { margin-bottom: 14px; font-size: 1rem; }
.product-context > p:not(.book-subtitle) { margin-bottom: 14px; font-size: .93rem; }
.product-context .shop-isbn { color: var(--ink-soft); font-size: .73rem !important; }
.product-context .back-link { gap: 9px; font-size: .67rem; }
.order-slip { position: relative; padding: 27px 30px 24px; border: 1px solid var(--line); border-top: 5px solid var(--ink); background: var(--white); box-shadow: 9px 11px 0 rgba(17, 21, 24, .06); }
.receipt-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 21px; }
.receipt-heading > span { display: grid; place-items: center; width: 26px; height: 26px; color: var(--ink); background: var(--acid); font-size: .62rem; font-weight: 900; }
.receipt-heading h2 { max-width: none; margin: 0; font-size: 1.5rem; font-weight: 850; letter-spacing: -.045em; line-height: 1.2; }
.shop-page #shop-form { gap: 16px; }
.quantity-field { display: grid; grid-template-columns: 1fr 150px; column-gap: 15px; row-gap: 7px; align-items: center; }
.quantity-field > label { font-size: .68rem; }
.quantity-control { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; min-height: 44px; border: 1px solid var(--line); }
.quantity-control button { min-width: 44px; min-height: 44px; border: 0; color: var(--ink); background: var(--paper); font: inherit; font-size: 1.35rem; line-height: 1; cursor: pointer; }
.quantity-control button:hover:not(:disabled) { background: var(--acid); }
.quantity-control input { min-height: 44px; padding: 4px; border: 0; border-inline: 1px solid var(--line); font-size: 1rem; text-align: center; appearance: textfield; -moz-appearance: textfield; }
.quantity-control input::-webkit-inner-spin-button, .quantity-control input::-webkit-outer-spin-button { margin: 0; -webkit-appearance: none; }
.quantity-note { grid-column: 1 / -1; margin: 0; color: var(--ink-soft); font-size: .7rem; line-height: 1.4; }
.copy-options-section { display: grid; gap: 10px; padding-block: 14px; border-block: 1px solid var(--line); }
.copy-options-section h3 { margin: 0; font-size: .9rem; font-weight: 850; letter-spacing: -.02em; }
.copy-options-intro { margin: 0; color: var(--ink-soft); font-size: .72rem; line-height: 1.5; }
.copy-options { display: grid; gap: 8px; }
.copy-option { min-width: 0; padding: 10px 11px; border: 1px solid var(--line); background: var(--paper); }
.copy-option > label, .dedication-wrap > label { display: block; margin-bottom: 6px; font-size: .68rem; font-weight: 750; }
.copy-option select, .dedication-wrap textarea { width: 100%; min-height: 44px; padding: 9px 10px; border: 1px solid #999d9d; border-radius: 0; color: var(--ink); background: var(--white); font: inherit; font-size: .8rem; }
.dedication-wrap { display: grid; gap: 7px; margin-top: 11px; }
.dedication-wrap[hidden] { display: none; }
.dedication-wrap textarea { min-height: 76px; resize: vertical; line-height: 1.45; }
.dedication-count { margin: -3px 0 0; color: var(--ink-soft); font-size: .63rem; text-align: right; }
.dedication-help { color: var(--ink-soft); font-size: .68rem; line-height: 1.5; }
.dedication-help summary { width: fit-content; color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; cursor: pointer; }
.dedication-help p { margin: 7px 0 0; padding: 9px 10px; border-left: 3px solid var(--acid); background: var(--white); }
.signature-note-status { margin: 0; color: var(--ink-soft); font-size: .66rem; line-height: 1.45; }
.signature-note-status[data-error="true"] { color: #a02723; }
.copy-option select:focus-visible, .dedication-wrap textarea:focus-visible, .dedication-help summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.order-summary { margin: 0; border-top: 1px solid var(--line); font-size: .84rem; }
.order-summary > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 18px; padding-block: 10px; }
.order-summary dt, .order-summary dd { margin: 0; }
.order-summary dd { white-space: nowrap; text-align: right; font-variant-numeric: tabular-nums; font-weight: 750; }
.order-summary .summary-total { align-items: baseline; margin-top: 3px; padding-block: 13px 11px; border-block: 1px solid var(--ink); font-size: 1rem; font-weight: 850; }
.summary-total dd { font-size: 1.7rem; font-weight: 900; letter-spacing: -.04em; line-height: 1.1; }
.order-summary .summary-tax { padding-block: 8px 0; color: var(--ink-soft); font-size: .66rem; line-height: 1.5; }
.summary-tax dt { max-width: 24ch; }
.withdrawal-row { display: flex; grid-template-columns: none; align-items: flex-start; gap: 10px; padding-block: 5px; color: var(--ink-soft); font-size: .75rem; font-weight: 550; line-height: 1.5; letter-spacing: 0; text-transform: none; cursor: pointer; }
.withdrawal-row input { width: 22px; height: 22px; min-height: 22px; flex: 0 0 22px; margin: 0; padding: 0; accent-color: var(--ink); }
.withdrawal-row a { text-underline-offset: 3px; }
.shop-page button:disabled { cursor: not-allowed; }
.shop-page .button:disabled { color: var(--ink-soft); border-color: var(--line); background: var(--paper-deep); }
.shop-page .quantity-control button:disabled { color: #687074; }
.checkout-status { margin: -6px 0 0; color: var(--ink-soft); font-size: .76rem; line-height: 1.45; }
.checkout-status:empty { display: none; }
.checkout-status[data-error="true"] { color: #a02723; }
.checkout-note { margin: 0; color: var(--ink-soft); font-size: .73rem; line-height: 1.5; }
.shop-operations { border-top: 1px solid var(--line); padding-top: 12px; }
.shop-operations:has(> [hidden]:first-child):has(> [hidden]:last-child) { display: none; }
.shop-operations p { margin: 0; color: var(--ink-soft); font-size: .75rem; line-height: 1.5; }
.shop-operations p + p { margin-top: 6px; }
.shop-page #retry-shop-config { padding-inline: 0; font-size: .64rem; }
.shop-noscript { padding-top: 14px; border-top: 1px solid var(--line); font-size: .82rem; }
.shipping-rule { display: flex; align-items: flex-start; gap: 14px; margin-top: 52px; padding: 19px 0; border-top: 1px solid var(--line); }
.shipping-rule .note-mark { flex: 0 0 27px; }
.shipping-rule p { max-width: 48rem; margin: 0; color: var(--ink-soft); font-size: .82rem; line-height: 1.55; }
.shipping-rule strong { color: var(--ink); }
.shop-book-copy { max-width: 54rem; padding-block: 46px 24px; border-top: 1px solid var(--line); scroll-margin-top: 20px; }
.shop-book-copy .eyebrow { margin-bottom: 16px; }
.shop-book-copy h2 { max-width: 28ch; margin-bottom: 20px; font-size: clamp(1.65rem, 2.7vw, 2.3rem); letter-spacing: -.05em; line-height: 1.08; }
.shop-book-copy > p:not(.eyebrow) { max-width: 48rem; color: var(--ink-soft); font-size: 1rem; }
.shop-book-copy .answer-block { color: var(--ink); }
.shop-book-copy blockquote { max-width: 42rem; }
.shop-book-copy .book-facts { margin-top: 42px; }
.shop-book-copy .fiction-note { max-width: 820px; margin-top: 28px; }
.shop-amazon-link { margin-top: 12px; }
.warranty-notice { display: flex; justify-content: flex-start; margin-top: 0; padding-top: 20px; border-top: 1px solid var(--line); scroll-margin-top: 20px; }
.warranty-label { display: block; width: 100%; max-width: 420px; }
.warranty-label img { display: block; width: 100%; height: auto; }
.order-result { margin-bottom: 40px; padding: 28px; border: 1px solid var(--line); border-left: 5px solid var(--acid); background: var(--white); }
.order-result .eyebrow { margin-bottom: 14px; }
.order-result h2 { max-width: none; margin-bottom: 18px; font-size: clamp(1.65rem, 3vw, 2.3rem); letter-spacing: -.05em; line-height: 1.08; }
.order-result > p { max-width: 43rem; font-size: .95rem; }
.order-result-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.shop-page.is-order-return .shop-workbench { grid-template-columns: minmax(0, 750px); }
.shop-page.is-order-return .order-slip, .shop-page.is-order-return .shipping-rule { display: none; }
.shop-page [hidden] { display: none !important; }

@media (max-width: 940px) {
  .shop-workbench { grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr); gap: 35px; }
  .product-sheet { grid-template-columns: minmax(100px, .85fr) minmax(130px, 1fr); gap: 24px; }
  .order-slip { padding-inline: 22px; }
}

@media (max-width: 760px) {
  .shop-page .site-header { flex-direction: row; align-items: center; min-height: 78px; padding-block: 12px; gap: 15px; }
  .shop-page .main-nav { width: auto; overflow: visible; gap: 12px; }
  .shop-page .main-nav a { font-size: .65rem; }
  .shop-main { padding-top: 30px; }
  .shop-workbench { grid-template-columns: 1fr; gap: 26px; }
  .shop-product h1 { margin-bottom: 24px; font-size: clamp(2.25rem, 6.5vw, 3.2rem); }
  .product-sheet { grid-template-columns: 125px minmax(0, 1fr); gap: 24px; align-items: center; }
  .product-format { margin-bottom: 15px; font-size: .78rem; line-height: 1.45; }
  .unit-price { gap: 6px; margin-bottom: 13px; font-size: 2rem; }
  .unit-price small { font-size: .68rem; }
  .product-shipping { margin: 0; font-size: .72rem; }
  .product-register { display: none; }
  .shop-cover { margin: 0 5px 10px; }
  .product-context { margin-top: 24px; }
  .order-slip { padding: 23px 25px 22px; }
  .receipt-heading { margin-bottom: 17px; }
  .shipping-rule { margin-top: 36px; }
  .shop-book-copy { padding-block: 34px 12px; }
  .shop-book-copy h2 { max-width: 25ch; font-size: clamp(1.65rem, 6vw, 2.2rem); }
  .shop-book-copy .book-facts { margin-top: 30px; }
}

@media (max-width: 560px) {
  .shop-page .brand { gap: 8px; }
  .shop-page .brand-mark { width: 34px; height: 34px; }
  .shop-page .brand-text { font-size: .84rem; }
  .shop-page .brand-text span { font-size: .56rem; }
  .shop-page .main-nav a:first-child { display: none; }
  .shop-page .main-nav .nav-cta { padding-inline: 11px; }
  .shop-main { padding-block: 25px 45px; }
  .shop-workbench { gap: 19px; }
  .shop-product .eyebrow { margin-bottom: 10px; font-size: .61rem; }
  .shop-product h1 { margin-bottom: 18px; font-size: clamp(2.2rem, 7vw, 2.8rem); }
  .product-sheet { grid-template-columns: 94px minmax(0, 1fr); gap: 22px; }
  .product-format { margin-bottom: 11px; }
  .unit-price { margin-bottom: 11px; font-size: 1.85rem; }
  .product-context { display: none; }
  .order-slip { padding: 16px 17px 18px; box-shadow: 5px 6px 0 rgba(17, 21, 24, .06); }
  .receipt-heading { margin-bottom: 11px; }
  .receipt-heading h2 { font-size: 1.25rem; }
  .shop-page #shop-form { gap: 12px; }
  .quantity-field { grid-template-columns: 1fr 150px; row-gap: 5px; }
  .quantity-note { font-size: .64rem; }
  .order-summary > div { padding-block: 7px; font-size: .78rem; }
  .order-summary .summary-total { padding-block: 10px 8px; }
  .summary-total dd { font-size: 1.55rem; }
  .order-summary .summary-tax { padding-top: 6px; font-size: .6rem; }
  .summary-tax dt { max-width: 27ch; }
  .withdrawal-row { padding-block: 2px; font-size: .7rem; }
  .checkout-status { font-size: .69rem; }
  .checkout-note { font-size: .68rem; }
  .shop-operations p { font-size: .7rem; }
  .order-result { margin-bottom: 28px; padding: 22px 18px; }
  .order-result-actions { display: grid; }
  .shipping-rule p { font-size: .75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .shop-page *, .shop-page *::before, .shop-page *::after { scroll-behavior: auto; }
}

.shop-order-information { max-width: 52rem; padding-block: 40px 64px; border-top: 1px solid var(--line); }
.shop-order-information h2 { font-size: clamp(1.8rem,3.2vw,2.45rem); overflow-wrap:anywhere; }
.shop-order-information p { color:var(--ink-soft); }
.shop-order-information a { text-underline-offset:3px; }