/* Product details share the store palette and checkout behavior. */
:root { --sm-button-bg: #8f641b; --sm-button-text: #fff; }
[data-theme="dark"] { --sm-button-bg: #d5a943; --sm-button-text: #211d18; }
.detail-main { padding: 40px 24px 80px; }
.detail-shell { width: min(100%, 1120px); margin: 0 auto; display: grid; gap: 38px; }
.back-link { width: fit-content; display: inline-flex; align-items: center; min-height: 44px; color: var(--sm-muted); font-size: .82rem; text-decoration: none; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(290px, .8fr); grid-template-areas: "intro purchase" "preview purchase" "coverage purchase"; gap: 28px 38px; align-items: start; }
.product-intro { grid-area: intro; min-width: 0; }
.eyebrow { margin: 0 0 12px; color: var(--sm-accent); font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.product-badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.product-badges span, .review-status { padding: 6px 10px; border: 1px solid var(--sm-border); background: var(--sm-surface-soft); font-size: .74rem; }
.product-badges .draft-badge { border-color: var(--sm-accent); color: var(--sm-accent-dark); }
.product-intro h1 { margin: 0 0 18px; font: 500 clamp(2.7rem, 5vw, 3.7rem)/1.08 var(--sm-serif); letter-spacing: -.035em; color: var(--sm-text); }
.product-description { margin: 0 0 24px; max-width: 58ch; color: var(--sm-muted); font-size: 1rem; line-height: 1.7; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--sm-border); border-bottom: 1px solid var(--sm-border); }
.fact { padding: 15px 8px; border-right: 1px solid var(--sm-border); }
.fact:last-child { border-right: 0; }
.fact strong { display: block; margin-bottom: 4px; font-size: 1.2rem; }
.fact span { color: var(--sm-muted); font-size: .7rem; letter-spacing: .04em; }
.product-jump-links { display: flex; flex-wrap: wrap; gap: 4px 22px; padding-top: 10px; }
.product-jump-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--sm-accent-dark); font-size: .82rem; text-underline-offset: 4px; }
.purchase-summary { grid-area: purchase; position: sticky; top: 24px; min-width: 0; padding: 26px; border: 1px solid var(--sm-border); background: var(--sm-surface); box-shadow: 0 15px 50px rgba(53,42,28,.06); }
.purchase-summary h2 { margin: 0 0 22px; font: 500 1.5rem/1.2 var(--sm-serif); }
.purchase-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.price { display: block; font: 500 2.7rem/1 var(--sm-serif); }
.price-meta { display: block; margin-top: 8px; color: var(--sm-muted); font-size: .8rem; }
.one-time-label { color: var(--sm-muted); font-size: .72rem; }
.disclosure { margin: 0 0 20px; padding: 12px 14px; border-left: 2px solid var(--sm-accent); background: var(--sm-surface-soft); color: var(--sm-muted); font-size: .82rem; line-height: 1.6; }
.disclosure strong { color: var(--sm-text); }
.purchase-actions { display: grid; gap: 10px; }
.purchase-actions button, .review-write-button, .review-prepare-button, .review-email-link { min-height: 48px; padding: 12px 16px; border: 1px solid var(--sm-accent-dark); font: 700 .9rem var(--sm-sans); cursor: pointer; }
.detail-buy, .review-prepare-button, .review-email-link, .cart-checkout-btn { background: var(--sm-button-bg); color: var(--sm-button-text); }
.detail-cart, .review-write-button { background: transparent; color: var(--sm-accent-dark); }
.purchase-actions button:hover, .review-write-button:hover { filter: brightness(.95); }
.purchase-actions button:disabled { opacity: .7; cursor: wait; }
#purchaseStatus:empty { display: none; }
#purchaseStatus { color: var(--sm-muted); font-size: .82rem; line-height: 1.6; }
.checkout-note { margin: 14px 0 18px; color: var(--sm-muted); font-size: .76rem; line-height: 1.6; }
.purchase-checklist { padding: 18px 0 0; margin: 0; list-style: none; border-top: 1px solid var(--sm-border); }
.purchase-checklist li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: .8rem; line-height: 1.55; }
.purchase-checklist li::before, .included-list li::before { content: "✓"; position: absolute; left: 0; color: var(--sm-accent); }
.delivery-note { margin: 16px 0 0; color: var(--sm-muted); font-size: .76rem; line-height: 1.6; }
.purchase-support { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 14px; }
.purchase-support a { display: inline-flex; align-items: center; min-height: 44px; font-size: .76rem; color: var(--sm-accent-dark); text-underline-offset: 3px; }
.preview-card { grid-area: preview; padding: 24px; border: 1px solid var(--sm-border); background: var(--sm-surface); }
.preview-heading, .section-title { display: flex; align-items: start; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.preview-heading h2, .coverage-card h2, .section-title h2, .purchase-faq h2 { margin: 0; font: 500 clamp(1.5rem, 3vw, 2rem)/1.2 var(--sm-serif); color: var(--sm-text); }
.preview-count { padding: 8px 10px; border: 1px solid var(--sm-border); color: var(--sm-muted); white-space: nowrap; font-size: .7rem; }
.preview-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.preview-thumb { display: block; min-width: 0; padding: 5px; border: 1px solid var(--sm-border); background: var(--sm-surface-soft); cursor: pointer; text-decoration: none; }
.preview-thumb img { display: block; width: 100%; height: auto; aspect-ratio: 612/792; object-fit: cover; object-position: top; background: #fff; }
.preview-thumb span { display: block; padding: 8px 0 3px; color: var(--sm-muted); font-size: .7rem; text-align: center; }
.preview-thumb:hover { border-color: var(--sm-accent); }
.preview-help { margin: 18px 0 0; color: var(--sm-muted); font-size: .8rem; line-height: 1.65; }
.coverage-card { grid-area: coverage; padding: 26px 0 0; }
.included-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 22px; list-style: none; padding: 0; margin: 24px 0 28px; }
.included-list li { position: relative; padding-left: 22px; font-size: .9rem; line-height: 1.6; }
.fit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; padding-top: 24px; border-top: 1px solid var(--sm-border); }
.fit-grid h3 { margin: 0 0 10px; font-size: .88rem; }
.fit-grid p, .quality-card p, .reader-reviews p, .purchase-faq p { color: var(--sm-muted); font-size: .88rem; line-height: 1.7; }
.review-section { padding-top: 38px; border-top: 1px solid var(--sm-border); }
.section-title a { display: inline-flex; align-items: center; min-height: 44px; color: var(--sm-accent-dark); font-size: .8rem; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 24px; }
.quality-card, .reader-reviews { min-width: 0; padding: 28px; border: 1px solid var(--sm-border); background: var(--sm-surface); }
.quality-card h3, .reader-reviews h3 { margin: 0 0 16px; font: 500 1.35rem var(--sm-serif); }
.quality-card .review-status { display: inline-block; margin: 0 0 20px; color: var(--sm-accent-dark); font-size: .75rem; }
.quality-card .quality-next { padding-top: 16px; border-top: 1px solid var(--sm-border); font-size: .78rem; }
.quality-card a { display: inline-flex; align-items: center; min-height: 44px; color: var(--sm-accent-dark); font-size: .82rem; }
.reader-review-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.review-average { font-size: .85rem; }
.reviews-empty { padding: 20px 0; }
.review-empty-icon { display: block; color: var(--sm-accent); font: 500 3.5rem/.8 var(--sm-serif); }
.reader-reviews .empty-title { margin: 14px 0 4px; color: var(--sm-text); font-weight: 700; }
.review-write-button { width: 100%; }
.reader-reviews .review-moderation { font-size: .75rem; margin-bottom: 0; }
.reader-review { padding: 20px 0; border-top: 1px solid var(--sm-border); overflow-wrap: anywhere; }
.review-byline { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.reader-review .review-meta { font-size: .75rem; }
.purchase-faq { padding-top: 32px; border-top: 1px solid var(--sm-border); }
.purchase-faq h2 { margin-bottom: 24px; }
.purchase-faq details { border-top: 1px solid var(--sm-border); }
.purchase-faq summary { min-height: 44px; padding: 18px 4px; cursor: pointer; font-size: .95rem; }
.purchase-faq details p { max-width: 80ch; padding: 0 4px 18px; margin: 0; }
.purchase-faq a { color: var(--sm-accent-dark); }
.review-dialog { width: min(92vw, 520px); max-height: 92vh; max-height: 92dvh; overflow-y: auto; padding: 0; border: 1px solid var(--sm-border); background: var(--sm-surface); color: var(--sm-text); }
.review-dialog::backdrop { background: rgba(20,17,13,.72); }
#reviewForm { padding: 24px; }
#reviewForm > p { margin: 0 0 20px; font-size: .85rem; line-height: 1.6; color: var(--sm-muted); }
#reviewForm > label:not(.review-consent) { display: grid; gap: 8px; margin-bottom: 20px; font-size: .85rem; font-weight: 700; }
#reviewForm input[type="text"], #reviewForm select, #reviewForm textarea { width: 100%; box-sizing: border-box; min-height: 44px; padding: 12px; border: 1px solid var(--sm-border); background: var(--sm-bg); color: var(--sm-text); font: 400 1rem var(--sm-sans); }
#reviewForm textarea { resize: vertical; }
.review-consent { display: flex; align-items: start; gap: 10px; margin-bottom: 20px; font-size: .8rem; line-height: 1.6; }
.review-consent input { flex: 0 0 24px; width: 24px; height: 24px; min-height: 24px !important; margin: 2px 0 0; }
.review-prepare-button { width: 100%; }
#reviewDraftStatus:not(:empty) { margin-top: 18px; padding: 12px; border: 1px solid var(--sm-border); background: var(--sm-surface-soft); }
.review-draft-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.review-email-link { display: inline-flex; align-items: center; text-decoration: none; }
.review-draft-actions button { min-height: 44px; padding: 12px; border: 1px solid var(--sm-border); color: var(--sm-text); background: transparent; cursor: pointer; }
.review-draft-actions [hidden] { display: none !important; }
.detail-shell a:focus-visible, .detail-shell button:focus-visible, .review-dialog :focus-visible { outline: 3px solid var(--sm-accent); outline-offset: 3px; }
#previewHeading, #includedHeading, #reviewsHeading, #qualityReview { scroll-margin-top: 76px; }
@media (max-width: 860px) {
  .detail-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "purchase" "preview" "coverage"; }
  .purchase-summary { position: static; }
  .review-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .detail-main { padding: 24px 16px 48px; }
  .detail-shell { gap: 24px; }
  .detail-layout { gap: 24px; }
  .product-intro h1 { font-size: 2rem !important; }
  .product-description { font-size: .94rem; line-height: 1.6; }
  .product-jump-links { gap: 0 14px; }
  .purchase-summary, .preview-card, .quality-card, .reader-reviews { padding: 20px; }
  .preview-heading, .section-title { flex-direction: column; gap: 12px; }
  .preview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .included-list, .fit-grid { grid-template-columns: minmax(0, 1fr); }
  .review-section { padding-top: 28px; }
  #reviewForm { padding: 20px; }
  .dialog-head { padding: 14px 16px; gap: 10px; }
}