.purchase{margin-block:var(--space-6);padding:var(--space-5);border:1px solid var(--border);border-radius:16px;background:var(--surface)}
.purchase h2{font-size:var(--fs-h3)}
.price-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4);margin-block:var(--space-4)}
.price-choices>div{display:grid;gap:8px;padding:12px;background:var(--brand-soft);border-radius:10px}
.price-choices span{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}.price-choices b{color:var(--brand)}
.purchase-controls{display:flex;flex-wrap:wrap;gap:12px;margin-block:16px}.purchase-controls label{display:grid;gap:6px;flex:1;min-width:140px}
.purchase-controls select,.order-line select,.order-payment{padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font:inherit;max-width:100%}
.quote-total{display:block;font-size:var(--fs-h3);margin-block:12px;color:var(--brand)}
.order-page{max-width:1000px}.order-line{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:20px 0;border-bottom:1px solid var(--border)}
.order-line strong{flex:1;min-width:180px}.order-line label{display:flex;align-items:center;gap:6px}.order-summary{padding:24px;background:var(--brand-soft);border-radius:16px;margin-block:24px}
.binding-note{margin-block:24px;padding:24px;border:1px solid var(--border);border-radius:16px}
.order-page textarea{width:100%;min-height:240px;padding:16px;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border)}
@media(max-width:520px){.price-choices{grid-template-columns:1fr}.purchase{padding:16px}.order-line{align-items:flex-start}}
.cart-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:2px 6px;margin-left:5px;border-radius:999px;background:var(--danger);color:var(--text-on-dark);font-size:12px;font-weight:600;line-height:1}
.cart-count[hidden],.cart-toast[hidden],.cover-peek[hidden]{display:none}
.cart-float{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom));z-index:45;display:flex;align-items:center;gap:8px;padding:13px 18px;background:var(--brand);color:var(--text-on-dark);border-radius:999px;box-shadow:var(--shadow);text-decoration:none}
.cart-float:hover{background:var(--brand-deep);color:var(--text-on-dark)}
.cart-toast{position:fixed;bottom:100px;right:20px;z-index:46;padding:16px;max-width:calc(100vw - 40px);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}
.cart-toast a{margin-left:16px;font-weight:600}.order-send{padding-block:20px}.order-send details{margin-top:18px}.order-export-image{display:block;width:100%;max-width:540px;height:auto;margin-top:16px;border:1px solid var(--border)}
.order-page{padding-bottom:90px}.site-nav__link{white-space:nowrap}.cover-open{display:block;width:100%;border:1px solid var(--border);cursor:zoom-in;color:var(--brand);font:inherit}.cover-open span{display:block;padding:10px}
.cover-peek{position:fixed;z-index:80;pointer-events:none;padding:8px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg);border-radius:12px}
.cover-peek img{display:block;width:auto;height:auto;max-width:min(440px,42vw);max-height:78vh;object-fit:contain}
.cover-dialog{padding:0;border:1px solid var(--border);border-radius:16px;background:var(--surface);color:var(--text);width:min(1100px,96vw);max-width:96vw;max-height:94dvh;margin:auto}
.cover-dialog::backdrop{background:var(--glass-dark)}.cover-dialog__bar{display:flex;align-items:center;gap:12px;padding:12px;position:sticky;top:0;background:var(--surface);z-index:1}.cover-dialog__bar strong{flex:1;font-size:var(--fs-small)}
.cover-dialog__body{overflow:auto;max-height:calc(94dvh - 88px);padding:12px}.cover-dialog__body img{display:block;max-height:calc(94dvh - 112px);max-width:100%;width:auto;margin:auto;object-fit:contain}.cover-dialog.is-zoomed img{max-height:none;width:100%}
@media(max-width:600px){.cover-dialog__bar{flex-wrap:wrap}.cover-dialog__bar strong{flex-basis:100%}.cart-float{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));padding:10px 14px}}
.book-reader{padding-block:28px;scroll-margin-top:100px;border-top:1px solid var(--border)}.book-reader h2{font-size:var(--fs-h3);margin-bottom:14px}.book-reader p{color:var(--text-secondary);margin-block:14px}.reader-contents{padding-left:24px;margin-block:20px}.reader-contents li{padding:10px 0;border-bottom:1px solid var(--border)}.reader-contents li>span:first-child{margin-right:12px}.reader-contents small{display:block;color:var(--text-secondary)}.reader-page{white-space:nowrap;font-size:var(--fs-small);color:var(--text-secondary)}
.reader-sample{margin:20px 0;border:1px solid var(--border);border-radius:12px;overflow:hidden}.reader-sample img,.reader-original img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain}.reader-sample figcaption{padding:12px;font-size:var(--fs-small);background:var(--brand-soft)}.reader-original summary{cursor:pointer;color:var(--brand);padding:14px 0}.reader-jumps{display:flex;gap:10px;flex-wrap:wrap;margin-block:16px}.reader-jumps a{padding:8px 14px;border:1px solid var(--border);border-radius:999px}#choose-book{scroll-margin-top:100px}
.buy-option{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px;border:2px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer}.buy-option[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft)}.buy-option:focus-visible{outline:3px solid var(--brand);outline-offset:3px}