/* Amazon-inspired product page styles — glance-level fidelity for prank screenshots */
:root {
  --amz-bg: #ffffff;
  --amz-text: #0f1111;
  --amz-muted: #565959;
  --amz-link: #007185;
  --amz-link-hover: #c7511f;
  --amz-orange: #ff9900;
  --amz-orange-btn: #ffd814;
  --amz-orange-btn-border: #fcd200;
  --amz-buy-btn: #ffa41c;
  --amz-buy-border: #ff8f00;
  --amz-nav: #131921;
  --amz-nav-mid: #232f3e;
  --amz-star: #de7921;
  --amz-price: #0f1111;
  --amz-red: #b12704;
  --amz-border: #d5d9d9;
  --amz-panel: #f0f2f2;
  --amz-success: #007600;
  --amz-badge: #cc0c39;
  --font: "Amazon Ember", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--amz-text);
  background: var(--amz-bg);
  line-height: 1.35;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amz-link); text-decoration: none; cursor: pointer; }
a:hover { color: var(--amz-link-hover); text-decoration: underline; }

/* ========== NAV ========== */
.top-nav {
  background: var(--amz-nav);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  gap: 12px;
  min-height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  padding: 4px 8px 0;
}
.logo-text {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
  font-family: Arial, sans-serif;
}
.logo-smile {
  width: 58px;
  height: 14px;
  margin-left: -4px;
  margin-top: 10px;
}
.deliver {
  font-size: 12px;
  line-height: 1.15;
  padding: 4px 8px;
  white-space: nowrap;
}
.deliver .line1 { color: #ccc; font-size: 11px; }
.deliver .line2 { font-weight: 700; font-size: 13px; display: flex; align-items: center; gap: 3px; }
.search-wrap {
  flex: 1;
  display: flex;
  height: 40px;
  max-width: 900px;
  border-radius: 4px;
  overflow: hidden;
}
.search-cat {
  background: #e6e6e6;
  border: none;
  padding: 0 10px;
  font-size: 12px;
  color: #555;
  border-right: 1px solid #cdcdcd;
  min-width: 52px;
}
.search-input {
  flex: 1;
  border: none;
  padding: 0 12px;
  font-size: 15px;
  outline: none;
}
.search-btn {
  width: 46px;
  background: #febd69;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.search-btn svg { width: 22px; height: 22px; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.nav-item {
  padding: 6px 10px;
  font-size: 12px;
  line-height: 1.15;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 2px;
}
.nav-item:hover { border-color: #fff; }
.nav-item .small { color: #ccc; font-size: 11px; display: block; }
.nav-item .bold { font-weight: 700; font-size: 13px; color: #fff; }
.cart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 4px 10px;
  position: relative;
}
.cart-count {
  position: absolute;
  top: 0;
  left: 22px;
  color: var(--amz-orange);
  font-weight: 700;
  font-size: 16px;
}
.cart-label { font-weight: 700; font-size: 14px; padding-bottom: 2px; }

.sub-nav {
  background: var(--amz-nav-mid);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 6px 14px;
  gap: 16px;
  font-size: 13px;
  font-weight: 500;
}
.sub-nav a { color: #fff; text-decoration: none; }
.sub-nav a:hover { text-decoration: underline; color: #fff; }
.sub-nav .all {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 700;
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
  padding: 10px 18px 6px;
  font-size: 12px;
  color: var(--amz-muted);
}
.breadcrumb a { color: var(--amz-link); }

/* ========== PRODUCT LAYOUT ========== */
.product-main {
  display: grid;
  grid-template-columns: 380px 1fr 260px;
  gap: 20px;
  padding: 8px 18px 40px;
  max-width: 1400px;
}

/* Cover column */
.cover-col {
  position: relative;
}
.cover-frame {
  border: 1px solid #e7e7e7;
  padding: 12px;
  background: #fff;
  text-align: center;
  border-radius: 2px;
}
.cover-img {
  width: 100%;
  max-width: 340px;
  height: auto;
  display: block;
  margin: 0 auto;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}
.look-inside-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: var(--amz-link);
  font-size: 13px;
  font-weight: 500;
}
.thumb-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  justify-content: center;
}
.thumb {
  width: 40px;
  height: 52px;
  border: 2px solid #e7e7e7;
  border-radius: 4px;
  object-fit: cover;
  cursor: pointer;
}
.thumb.active { border-color: #e77600; box-shadow: 0 0 0 1px #e77600; }

/* Info column */
.info-col { padding-right: 8px; min-width: 0; }
.badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.bestseller-badge {
  background: var(--amz-badge);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px 3px 6px;
  border-radius: 2px 3px 3px 2px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.bestseller-badge::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 6px solid var(--amz-badge);
}
.category-link { font-size: 12px; color: var(--amz-link); }

.product-title {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--amz-text);
  margin: 4px 0 2px;
}
.product-subtitle {
  font-size: 15px;
  color: var(--amz-muted);
  margin-bottom: 4px;
}
.byline {
  font-size: 14px;
  margin-bottom: 6px;
}
.byline a { font-weight: 500; }

.rating-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 4px 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e7e7e7;
}
.stars {
  color: var(--amz-star);
  letter-spacing: 0.5px;
  font-size: 16px;
  line-height: 1;
  font-family: Arial, sans-serif;
}
.stars .empty { color: #ddd; }
/* Amazon-like star glyph via CSS masks is overkill; ★ is fine at glance */
.rating-num { color: var(--amz-link); font-size: 14px; }
.rating-count { color: var(--amz-link); font-size: 14px; }
.rating-sep { color: #ddd; }

.format-section { margin: 14px 0; }
.format-label { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.format-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.format-chip {
  border: 1px solid #888c8c;
  border-radius: 8px;
  padding: 8px 14px;
  min-width: 100px;
  cursor: pointer;
  background: #fff;
  font-size: 13px;
}
.format-chip.selected {
  border-color: #e77600;
  background: #fffaf0;
  box-shadow: 0 0 0 1px #e77600;
}
.format-chip .fname { font-weight: 700; display: block; }
.format-chip .fprice { color: var(--amz-text); margin-top: 2px; }

.price-block { margin: 12px 0; }
.price-main {
  font-size: 28px;
  font-weight: 400;
  color: var(--amz-text);
}
.price-main .currency { font-size: 13px; vertical-align: super; margin-right: 1px; }
.price-main .cents { font-size: 13px; vertical-align: super; }
.list-price {
  font-size: 13px;
  color: var(--amz-muted);
  margin-top: 2px;
}
.list-price s { color: var(--amz-muted); }
.deal { color: var(--amz-red); font-size: 13px; font-weight: 500; margin-top: 2px; }

.about-title {
  font-size: 16px;
  font-weight: 700;
  margin: 16px 0 8px;
}
.bullets {
  padding-left: 18px;
  margin-bottom: 12px;
}
.bullets li {
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.4;
}
.bullets li::marker { color: #0f1111; }

/* Buy box */
.buy-col { }
.buy-box {
  border: 1px solid var(--amz-border);
  border-radius: 8px;
  padding: 16px 16px 18px;
  background: #fff;
}
.buy-price {
  font-size: 28px;
  margin-bottom: 4px;
}
.buy-price .currency { font-size: 13px; vertical-align: super; }
.buy-price .cents { font-size: 13px; vertical-align: super; }
.delivery {
  font-size: 14px;
  margin: 10px 0 4px;
  line-height: 1.4;
}
.delivery strong { font-weight: 700; }
.delivery .free { color: var(--amz-text); }
.in-stock {
  color: var(--amz-success);
  font-size: 18px;
  font-weight: 400;
  margin: 10px 0 6px;
}
.ships-from { font-size: 12px; color: var(--amz-muted); line-height: 1.5; margin-bottom: 12px; }
.ships-from span { color: var(--amz-text); }
.qty-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 13px;
}
.qty-select {
  border: 1px solid #d5d9d9;
  border-radius: 8px;
  padding: 4px 28px 4px 10px;
  background: #f0f2f2;
  font-size: 13px;
  box-shadow: 0 2px 5px rgba(15,17,17,0.15);
}
.btn {
  display: block;
  width: 100%;
  border-radius: 20px;
  border: 1px solid;
  padding: 10px 12px;
  font-size: 13px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 8px;
  font-family: inherit;
}
.btn-cart {
  background: var(--amz-orange-btn);
  border-color: var(--amz-orange-btn-border);
}
.btn-buy {
  background: var(--amz-buy-btn);
  border-color: var(--amz-buy-border);
}
.btn:hover { filter: brightness(0.97); }
.secure {
  font-size: 12px;
  color: var(--amz-link);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.add-list {
  font-size: 12px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #e7e7e7;
}

/* ========== REVIEWS ========== */
.reviews-section {
  max-width: 1400px;
  padding: 10px 18px 60px;
  border-top: 1px solid #e7e7e7;
  margin-top: 10px;
}
.reviews-header {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}
.reviews-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
}
.rating-summary .big-stars {
  font-size: 22px;
  color: var(--amz-star);
  letter-spacing: 2px;
}
.avg-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}
.avg-num {
  font-size: 28px;
  font-weight: 500;
}
.avg-label { font-size: 14px; color: var(--amz-muted); margin-bottom: 14px; }
.bar-row {
  display: grid;
  grid-template-columns: 48px 1fr 36px;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 13px;
}
.bar-row a { color: var(--amz-link); }
.bar-track {
  height: 20px;
  background: #f0f2f2;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #e3e6e6;
}
.bar-fill {
  height: 100%;
  background: var(--amz-star);
  border-radius: 4px 0 0 4px;
}
.review-filters {
  margin: 20px 0 12px;
  font-size: 14px;
  font-weight: 700;
}
.review-card {
  border-bottom: 1px solid #e7e7e7;
  padding: 18px 0;
}
.reviewer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a8c0d8, #6b8cae);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.avatar.c2 { background: linear-gradient(135deg, #c9a0dc, #8b6bae); }
.avatar.c3 { background: linear-gradient(135deg, #8fd1b0, #4a9b72); }
.avatar.c4 { background: linear-gradient(135deg, #f0b27a, #c97a3a); }
.avatar.c5 { background: linear-gradient(135deg, #7eb6e8, #3a7ab5); }
.avatar.c6 { background: linear-gradient(135deg, #e8a0a0, #c45c5c); }
.reviewer-name { font-size: 13px; font-weight: 500; }
.pro-tag {
  display: inline-block;
  font-size: 11px;
  color: #0f1111;
  background: #fef8f2;
  border: 1px solid #f0d9b5;
  border-radius: 3px;
  padding: 1px 6px;
  margin-left: 6px;
  font-weight: 500;
}
.review-stars-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
  flex-wrap: wrap;
}
.review-stars-title .stars { font-size: 14px; }
.review-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--amz-text);
}
.review-meta {
  font-size: 12px;
  color: var(--amz-muted);
  margin-bottom: 4px;
}
.verified {
  color: #c45500;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}
.review-body {
  font-size: 14px;
  line-height: 1.5;
  color: var(--amz-text);
  max-width: 720px;
}
.helpful-row {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--amz-muted);
}
.helpful-btn {
  border: 1px solid #8d9096;
  background: #fff;
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.helpful-btn:hover { background: #f7fafa; }

/* ========== LOOK INSIDE / CHAPTER ========== */
.look-page {
  background: #eaeded;
  min-height: 100vh;
}
.look-chrome {
  background: var(--amz-nav);
  color: #fff;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.look-chrome .left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.look-chrome .book-meta {
  font-size: 13px;
  line-height: 1.3;
}
.look-chrome .book-meta .t { font-weight: 700; }
.look-chrome .book-meta .a { color: #ccc; font-size: 12px; }
.look-close {
  color: #fff;
  font-size: 13px;
  border: 1px solid #555;
  padding: 6px 14px;
  border-radius: 3px;
}
.look-toolbar {
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 8px 18px;
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--amz-muted);
  align-items: center;
}
.look-toolbar strong { color: var(--amz-text); }
.look-stage {
  max-width: 820px;
  margin: 24px auto 60px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  padding: 48px 64px 64px;
  min-height: 900px;
}
.look-stage .chapter-kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--amz-muted);
  margin-bottom: 8px;
}
.look-stage h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 6px;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.25;
}
.look-stage .chapter-from {
  font-size: 13px;
  color: var(--amz-muted);
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e7e7e7;
}
.look-stage .chapter-from em { color: var(--amz-text); font-style: normal; font-weight: 600; }
.look-stage p {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 16px;
  color: #111;
}
.look-stage h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  margin: 28px 0 12px;
  font-weight: 700;
}
.look-stage ol, .look-stage ul {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 16px 22px;
}
.look-stage li { margin-bottom: 8px; }
.look-stage strong { font-weight: 700; }
.look-stage em { font-style: italic; }
.page-num {
  text-align: center;
  color: var(--amz-muted);
  font-size: 12px;
  margin-top: 40px;
  font-family: var(--font);
}

/* Cover-only zoom page */
.cover-zoom-page {
  background: #f5f5f5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.cover-zoom-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 48px;
}
.cover-zoom-main img {
  max-height: 720px;
  width: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  border-radius: 2px;
}
.cover-zoom-side {
  max-width: 360px;
}
.cover-zoom-side h1 {
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 6px;
}
.cover-zoom-side .by { margin-bottom: 12px; font-size: 15px; }
.cover-zoom-side .price { font-size: 24px; margin: 12px 0; }

/* Footer strip */
.footer-strip {
  background: #232f3e;
  color: #ddd;
  text-align: center;
  padding: 16px;
  font-size: 12px;
  margin-top: 20px;
}
.footer-strip a { color: #ddd; margin: 0 10px; }

/* Phone frame variant */
.phone-frame {
  max-width: 430px;
  margin: 0 auto;
  background: #fff;
  min-height: 100vh;
  box-shadow: 0 0 0 1px #ddd;
}
.phone-frame .product-main {
  grid-template-columns: 1fr;
  padding: 12px;
}
.phone-frame .buy-col { order: 3; }
.phone-frame .cover-col { max-width: 280px; margin: 0 auto; }
.phone-frame .reviews-grid { grid-template-columns: 1fr; gap: 16px; }
.phone-frame .top-nav { flex-wrap: wrap; min-height: auto; }
.phone-frame .search-wrap { order: 10; flex-basis: 100%; max-width: none; margin-top: 6px; }
.phone-frame .deliver, .phone-frame .nav-item.account { display: none; }

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.divider { height: 1px; background: #e7e7e7; margin: 12px 0; }
.sample-pages-note {
  font-size: 11px;
  color: #888;
  text-align: center;
  margin-top: 8px;
}