/* Import Google Fonts for modern styling */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Color Variables and Tokens */
:root {
  --amazon-dark: #131921;
  --amazon-nav-fill: #232f3e;
  --amazon-bg: #eaeded;
  --amazon-orange: #ff9900;
  --amazon-orange-hover: #f3a847;
  --amazon-orange-dark: #e77600;
  --amazon-blue-link: #007185;
  --amazon-blue-link-hover: #c45500;
  --amazon-text-main: #0f1111;
  --amazon-text-muted: #565959;
  --amazon-green-stock: #007600;
  --amazon-red-alert: #b12704;
  --button-cart-from: #ffd814;
  --button-cart-to: #f7ca00;
  --button-cart-border: #f2c200;
  --button-buy-from: #ffa41c;
  --button-buy-to: #ff8f00;
  --button-buy-border: #ff8f00;
  --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--amazon-bg);
  color: var(--amazon-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--amazon-blue-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--amazon-blue-link-hover);
  text-decoration: underline;
}

/* Header Styles */
header {
  background-color: var(--amazon-dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-main {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 12px;
}

.nav-logo {
  display: flex;
  align-items: center;
  padding: 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: border-color 0.2s;
}

.nav-logo:hover {
  border-color: white;
}

.nav-logo img {
  height: 38px;
  display: block;
}

.nav-address {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
}

.nav-address:hover {
  border-color: white;
}

.nav-address i {
  font-size: 18px;
  margin-top: 8px;
}

.nav-address-text {
  font-size: 12px;
  color: #ccc;
  display: flex;
  flex-direction: column;
}

.nav-address-text span:last-child {
  font-size: 14px;
  font-weight: 700;
  color: white;
}

.nav-search {
  flex-grow: 1;
  display: flex;
  height: 40px;
  border-radius: 4px;
  overflow: hidden;
  margin: 0 10px;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}

.nav-search:focus-within {
  border-color: var(--amazon-orange-dark);
}

.search-select {
  background-color: #f3f3f3;
  color: var(--amazon-text-muted);
  border: none;
  padding: 0 12px;
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  outline: none;
  border-right: 1px solid #ddd;
}

.search-input {
  flex-grow: 1;
  border: none;
  padding: 0 12px;
  font-size: 15px;
  font-family: var(--font-body);
  outline: none;
}

.search-btn {
  background-color: var(--amazon-orange-hover);
  border: none;
  width: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-btn:hover {
  background-color: var(--amazon-orange);
}

.search-btn svg {
  width: 20px;
  height: 20px;
  fill: var(--amazon-dark);
}

.nav-right-items {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  padding: 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.nav-item:hover {
  border-color: white;
}

.nav-item span:first-child {
  font-size: 12px;
  color: #ccc;
}

.nav-item span:last-child {
  font-size: 14px;
  font-weight: 700;
}

.nav-cart {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.nav-cart:hover {
  border-color: white;
}

.cart-icon-container {
  position: relative;
  display: flex;
  align-items: flex-end;
}

.cart-count {
  position: absolute;
  top: -4px;
  left: 10px;
  background-color: var(--amazon-orange);
  color: var(--amazon-dark);
  font-weight: 700;
  font-size: 13px;
  padding: 0 5px;
  border-radius: 50%;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-icon {
  width: 32px;
  height: 24px;
  fill: white;
}

.cart-text {
  font-size: 14px;
  font-weight: 700;
  margin-top: 10px;
}

/* Subnav Bar */
.nav-sub {
  background-color: var(--amazon-nav-fill);
  display: flex;
  align-items: center;
  padding: 6px 16px;
  gap: 16px;
  font-size: 14px;
  color: white;
}

.nav-sub-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px 6px;
  border: 1px solid transparent;
  border-radius: 2px;
}

.nav-sub-menu:hover {
  border-color: white;
}

.nav-sub-links {
  display: flex;
  gap: 12px;
}

.nav-sub-links a {
  color: white;
  padding: 4px 6px;
  border: 1px solid transparent;
  border-radius: 2px;
}

.nav-sub-links a:hover {
  border-color: white;
  text-decoration: none;
}

/* Page Layout Container */
.product-container {
  max-width: 1500px;
  margin: 16px auto;
  padding: 0 16px;
}

/* Breadcrumb Navigation */
.breadcrumb {
  font-size: 12px;
  color: var(--amazon-text-muted);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--amazon-text-muted);
}

.breadcrumb a:hover {
  color: var(--amazon-orange-dark);
}

/* Product Main Grid */
.product-main-grid {
  display: grid;
  grid-template-columns: 8fr 7fr 5fr;
  gap: 20px;
  background-color: white;
  padding: 24px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  margin-bottom: 24px;
}

/* Left Column: Image Gallery */
.gallery-container {
  display: flex;
  gap: 12px;
}

.gallery-thumbnails {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.thumbnail-btn {
  border: 1px solid #ddd;
  border-radius: var(--border-radius-sm);
  background: white;
  padding: 4px;
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.thumbnail-btn:hover,
.thumbnail-btn.active {
  border-color: var(--amazon-orange-dark);
  box-shadow: 0 0 4px rgba(231, 118, 0, 0.4);
}

.thumbnail-btn img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.gallery-main {
  flex-grow: 1;
  border: 1px solid #eee;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fbfbfb;
  cursor: zoom-in;
}

.gallery-main img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.gallery-main:hover img {
  transform: scale(1.08);
}

/* Middle Column: Product Details */
.details-container {
  display: flex;
  flex-direction: column;
}

.brand-link {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--amazon-text-main);
  line-height: 1.3;
  margin-bottom: 8px;
}

.ratings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  border-bottom: 1px solid #eee;
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.star-rating {
  display: flex;
  gap: 2px;
}

.star-rating svg {
  width: 16px;
  height: 16px;
  fill: var(--amazon-orange);
}

.rating-count {
  color: var(--amazon-blue-link);
}

.rating-count:hover {
  color: var(--amazon-blue-link-hover);
  text-decoration: underline;
  cursor: pointer;
}

/* Price Section */
.price-section {
  background: #fdfdfd;
  border-bottom: 1px solid #eee;
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.price-saving-badge {
  background-color: var(--amazon-red-alert);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 8px;
}

.main-price-row {
  display: flex;
  align-items: flex-start;
  gap: 4px;
}

.price-currency {
  font-size: 14px;
  font-weight: 500;
  margin-top: 4px;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
}

.price-fraction {
  font-size: 14px;
  font-weight: 500;
  margin-top: 4px;
}

.price-billing-period {
  font-size: 14px;
  color: var(--amazon-text-muted);
  align-self: flex-end;
  margin-bottom: 4px;
  margin-left: 4px;
}

.list-price-row {
  font-size: 13px;
  color: var(--amazon-text-muted);
  margin-top: 4px;
}

.list-price-val {
  text-decoration: line-through;
}

/* Variations Selector */
.variations-section {
  border-bottom: 1px solid #eee;
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.variation-label {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.variation-label span {
  font-weight: 400;
  color: var(--amazon-text-muted);
}

.variation-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.variation-btn {
  border: 1px solid #ccc;
  border-radius: var(--border-radius-sm);
  background: white;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 130px;
  text-align: left;
  transition: all 0.2s ease;
}

.variation-btn:hover {
  border-color: #888;
  background-color: #f7f7f7;
}

.variation-btn.active {
  border-color: var(--amazon-orange-dark);
  box-shadow: 0 0 0 1px var(--amazon-orange-dark);
  background-color: #fdf8f2;
}

.var-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--amazon-text-main);
  margin-bottom: 2px;
}

.var-price {
  font-size: 12px;
  color: var(--amazon-red-alert);
  font-weight: 600;
}

/* About this item (bullet points) */
.about-section {
  margin-top: 8px;
}

.about-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-list {
  list-style-type: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-list li {
  font-size: 14px;
  color: var(--amazon-text-main);
}

/* Right Column: Buy Box */
.buy-box-container {
  border: 1px solid #ddd;
  border-radius: var(--border-radius-md);
  padding: 16px;
  background: white;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: start;
}

/* Subscribe & Save vs One Time Tabs */
.buy-box-tabs {
  display: flex;
  border: 1px solid #ddd;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: 4px;
}

.buy-box-tab {
  flex: 1;
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  background: #f7f7f7;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.buy-box-tab:first-child {
  border-right: 1px solid #ddd;
}

.buy-box-tab.active {
  background: white;
  font-weight: 700;
  color: var(--amazon-orange-dark);
  box-shadow: inset 0 2px 0 var(--amazon-orange-dark);
}

.buy-price-row {
  margin-top: 4px;
}

.buy-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--amazon-red-alert);
}

.buy-discount-note {
  font-size: 12px;
  color: var(--amazon-green-stock);
  font-weight: 600;
}

.delivery-info {
  font-size: 13px;
  color: var(--amazon-text-main);
  line-height: 1.4;
}

.delivery-date {
  font-weight: 700;
}

.fastest-delivery-row {
  font-size: 12px;
  color: var(--amazon-text-muted);
  margin-top: 4px;
}

.countdown-timer {
  color: var(--amazon-red-alert);
  font-weight: 600;
}

.stock-status {
  font-size: 18px;
  color: var(--amazon-green-stock);
  font-weight: 600;
  margin: 6px 0;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.qty-select {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  border: 1px solid #bbb;
  background-color: #f0f2f2;
  cursor: pointer;
  font-family: var(--font-body);
  outline: none;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.qty-select:hover {
  background-color: #e3e6e6;
}

/* Amazon Action Buttons */
.buy-box-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.amazon-btn {
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid;
  text-align: center;
  transition: background-color 0.2s, box-shadow 0.2s;
  font-family: var(--font-body);
  outline: none;
}

.btn-cart {
  background: linear-gradient(to bottom, var(--button-cart-from), var(--button-cart-to));
  border-color: var(--button-cart-border);
  color: var(--amazon-text-main);
  box-shadow: 0 2px 5px rgba(213,217,217,.5);
}

.btn-cart:hover {
  background: linear-gradient(to bottom, #f5c71a, #e6b400);
}

.btn-buy {
  background: linear-gradient(to bottom, var(--button-buy-from), var(--button-buy-to));
  border-color: var(--button-buy-border);
  color: var(--amazon-text-main);
  box-shadow: 0 2px 5px rgba(213,217,217,.5);
}

.btn-buy:hover {
  background: linear-gradient(to bottom, #f09618, #e07e00);
}

.secure-transaction {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--amazon-blue-link);
  cursor: pointer;
}

.secure-transaction svg {
  width: 14px;
  height: 14px;
  fill: var(--amazon-text-muted);
}

.transaction-meta {
  font-size: 12px;
  color: var(--amazon-text-muted);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin-top: 4px;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}

.meta-label {
  color: var(--amazon-text-muted);
}

.meta-value {
  color: var(--amazon-text-main);
}

/* A+ Content / Enhanced Brand Content Section */
.aplus-container {
  background-color: white;
  padding: 32px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  margin-bottom: 24px;
}

.aplus-section-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  border-bottom: 1px solid #ddd;
  padding-bottom: 8px;
  margin-bottom: 20px;
  text-transform: uppercase;
  color: var(--amazon-text-main);
  letter-spacing: 0.5px;
}

.aplus-banner {
  width: 100%;
  position: relative;
  background: linear-gradient(135deg, #131921 0%, #232f3e 100%);
  color: white;
  border-radius: var(--border-radius-md);
  padding: 48px;
  text-align: center;
  overflow: hidden;
  margin-bottom: 32px;
}

.aplus-banner h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--amazon-orange);
}

.aplus-banner p {
  font-size: 16px;
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
  line-height: 1.6;
}

.aplus-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 70%);
  pointer-events: none;
}

/* A+ Feature Split Modules */
.aplus-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.aplus-feature-card {
  border: 1px solid #eee;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  transition: transform 0.2s, box-shadow 0.2s;
}

.aplus-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.aplus-feature-img {
  width: 100%;
  height: 250px;
  background-color: #f7f7f7;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.aplus-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.aplus-feature-card:hover .aplus-feature-img img {
  transform: scale(1.03);
}

.aplus-feature-content {
  padding: 24px;
}

.aplus-feature-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--amazon-dark);
}

.aplus-feature-desc {
  font-size: 14px;
  color: var(--amazon-text-muted);
  line-height: 1.6;
}

/* A+ Comparison Table Matrix */
.aplus-comparison-table-wrapper {
  overflow-x: auto;
}

.aplus-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
  text-align: left;
}

.aplus-table th, 
.aplus-table td {
  padding: 12px 16px;
  border: 1px solid #e2e2e2;
}

.aplus-table th {
  background-color: #f6f6f6;
  font-weight: 700;
  color: var(--amazon-text-main);
  font-family: var(--font-heading);
}

.aplus-table tr:hover {
  background-color: #fafafa;
}

.aplus-table td:first-child {
  font-weight: 600;
  background-color: #fcfcfc;
  width: 25%;
}

.check-icon {
  color: var(--amazon-green-stock);
  font-weight: bold;
}

.cross-icon {
  color: var(--amazon-red-alert);
}

/* Q&A Section */
.qa-container {
  background-color: white;
  padding: 32px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  margin-bottom: 24px;
}

.qa-search-bar {
  display: flex;
  margin-bottom: 20px;
  position: relative;
}

.qa-search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid #ccc;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  outline: none;
  font-family: var(--font-body);
}

.qa-search-input:focus {
  border-color: var(--amazon-orange-dark);
  box-shadow: 0 0 3px rgba(231,118,0,0.5);
}

.qa-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  fill: var(--amazon-text-muted);
  width: 16px;
  height: 16px;
}

.qa-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qa-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  font-size: 14px;
}

.qa-badge {
  font-weight: 700;
  text-align: right;
  width: 80px;
}

.qa-question {
  font-weight: 700;
  color: var(--amazon-blue-link);
}

.qa-answer {
  color: var(--amazon-text-main);
  line-height: 1.5;
}

/* Reviews Section Layout */
.reviews-section {
  background-color: white;
  padding: 32px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}

.reviews-summary {
  display: flex;
  flex-direction: column;
}

.reviews-summary h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.avg-rating-big {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.avg-rating-num {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-heading);
}

.global-rating-count {
  font-size: 13px;
  color: var(--amazon-text-muted);
  margin-bottom: 16px;
}

/* Rating Histogram */
.histogram-row {
  display: grid;
  grid-template-columns: 50px 1fr 40px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 8px;
}

.histogram-star-link {
  color: var(--amazon-blue-link);
  cursor: pointer;
}

.histogram-star-link:hover {
  color: var(--amazon-blue-link-hover);
  text-decoration: underline;
}

.bar-container {
  background-color: #f0f2f2;
  height: 20px;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: 1px solid #ddd;
}

.bar-fill {
  background: linear-gradient(to bottom, #ffb800, #ffa41c);
  height: 100%;
  border-radius: var(--border-radius-sm);
  transition: width 0.5s ease-out;
}

.histogram-pct {
  text-align: right;
  color: var(--amazon-blue-link);
  font-weight: 500;
}

.review-form-trigger {
  margin-top: 24px;
  border-top: 1px solid #eee;
  padding-top: 20px;
}

.review-form-trigger h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.review-form-trigger p {
  font-size: 13px;
  color: var(--amazon-text-muted);
  margin-bottom: 14px;
}

.btn-secondary {
  border: 1px solid #a88734;
  border-radius: 4px;
  background: linear-gradient(to bottom, #f7dfa5, #f0c14b);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-secondary:hover {
  background: linear-gradient(to bottom, #f5d78e, #eeb933);
}

/* Reviews List */
.reviews-list-container {
  display: flex;
  flex-direction: column;
}

.reviews-list-header {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}

.reviews-feed {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.review-card {
  border-bottom: 1px solid #f0f0f0;
  padding-bottom: 20px;
}

.review-card:last-child {
  border-bottom: none;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
  color: var(--amazon-text-muted);
  background-image: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

.username {
  font-size: 13px;
  font-weight: 500;
  color: var(--amazon-text-main);
}

.review-rating-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.review-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--amazon-text-main);
}

.review-meta-date {
  font-size: 12px;
  color: var(--amazon-text-muted);
  margin-bottom: 6px;
}

.verified-badge {
  color: var(--amazon-red-alert);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.review-content {
  font-size: 14px;
  color: var(--amazon-text-main);
  line-height: 1.5;
  margin-bottom: 12px;
}

.review-helpful-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--amazon-text-muted);
}

.btn-helpful {
  border: 1px solid #cbd2d2;
  border-radius: 20px;
  background: white;
  padding: 4px 16px;
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn-helpful:hover {
  background-color: #f7fafa;
}

/* Modals, Drawers & Forms Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  display: none;
  z-index: 1001;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  transition: backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease, background-color 0.3s ease;
  animation: fadeIn 0.3s ease;
}

.overlay.deep-blur {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: rgba(0,0,0,0.55);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Cart Drawer */
.cart-drawer {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100%;
  background: white;
  z-index: 1002;
  box-shadow: -5px 0 25px rgba(0,0,0,0.15);
  transition: right 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
}

.cart-drawer.open {
  right: 0;
}

.drawer-header {
  padding: 16px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--amazon-dark);
  color: white;
}

.drawer-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
}

.btn-close-drawer {
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
}

.drawer-content {
  flex-grow: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid #eee;
  padding-bottom: 16px;
}

.cart-item-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border: 1px solid #eee;
  border-radius: var(--border-radius-sm);
  background: #fafafa;
}

.cart-item-details {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.cart-item-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}

.cart-item-price {
  font-size: 14px;
  color: var(--amazon-red-alert);
  font-weight: 700;
}

.cart-item-qty {
  font-size: 12px;
  color: var(--amazon-text-muted);
  margin-top: 4px;
}

.cart-item-remove {
  align-self: flex-start;
  color: var(--amazon-blue-link);
  font-size: 11px;
  cursor: pointer;
  margin-top: 8px;
}

.cart-item-remove:hover {
  text-decoration: underline;
  color: var(--amazon-red-alert);
}

.cart-empty {
  text-align: center;
  color: var(--amazon-text-muted);
  padding: 40px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cart-empty svg {
  width: 60px;
  height: 60px;
  fill: #ddd;
}

.drawer-footer {
  padding: 16px;
  border-top: 1px solid #eee;
  background-color: #f7f7f7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.cart-summary-total {
  font-size: 18px;
  font-weight: 700;
}

/* Modal Form Styles */
.modal-form {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 500px;
  background: white;
  z-index: 1002;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: modalScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScaleUp {
  from { transform: translate(-50%, -45%) scale(0.95); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.modal-header {
  padding: 16px;
  border-bottom: 1px solid #eee;
  background: #f7f7f7;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--amazon-dark);
}

.btn-close-modal {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--amazon-text-muted);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: 80vh;
}

/* Form controls */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #a6a6a6;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
}

.form-control:focus {
  border-color: var(--amazon-orange-dark);
  box-shadow: 0 0 3px rgba(231,118,0,0.5);
}

.star-rating-input {
  display: flex;
  gap: 6px;
}

.star-radio {
  display: none;
}

.star-label {
  cursor: pointer;
}

.star-label svg {
  width: 24px;
  height: 24px;
  fill: #e3e6e6;
  transition: fill 0.1s;
}

.star-label:hover svg,
.star-label:hover ~ .star-label svg,
.star-radio:checked ~ .star-label svg {
  fill: var(--amazon-orange);
}

.modal-footer {
  padding: 16px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: #f7f7f7;
}

.btn-flat {
  border-radius: 3px;
  padding: 6px 16px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-body);
  border: 1px solid #ccc;
  background: white;
}

.btn-flat:hover {
  background: #f5f5f5;
}

.btn-flat.btn-primary {
  background: linear-gradient(to bottom, var(--button-buy-from), var(--button-buy-to));
  border-color: var(--button-buy-border);
}

.btn-flat.btn-primary:hover {
  background: linear-gradient(to bottom, #f09618, #e07e00);
}

/* Checkout Receipt Modal specific styling */
.checkout-success-body {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.checkout-success-icon {
  width: 60px;
  height: 60px;
  background-color: #e7f4e7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkout-success-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--amazon-green-stock);
}

.receipt-details {
  border: 1px solid #eee;
  border-radius: var(--border-radius-md);
  padding: 16px;
  width: 100%;
  background: #fafafa;
  text-align: left;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
}

.receipt-divider {
  border-top: 1px solid #ddd;
  margin: 6px 0;
}

/* Footer Section */
footer.page-footer {
  background-color: var(--amazon-nav-fill);
  color: white;
  margin-top: 40px;
}

.back-to-top {
  background-color: #37475a;
  text-align: center;
  padding: 15px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.back-to-top:hover {
  background-color: #485769;
}

.footer-links {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.footer-column h5 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-column ul a {
  color: #ddd;
  font-size: 13px;
}

.footer-column ul a:hover {
  color: white;
  text-decoration: underline;
}

.footer-copyright {
  background-color: var(--amazon-dark);
  padding: 30px 16px;
  text-align: center;
  font-size: 12px;
  color: #ccc;
  border-top: 1px solid #3a4553;
}

/* Responsive Breakpoints & Mobile Optimization */
@media (max-width: 1100px) {
  .product-main-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 16px;
    padding: 16px;
  }
  .buy-box-container {
    grid-column: span 2;
    width: 100%;
  }
}

@media (max-width: 768px) {
  /* Header clean-up */
  .nav-address,
  #navLang,
  #navOrders {
    display: none !important;
  }
  
  .nav-main {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 6px 12px;
  }

  .nav-logo img {
    height: 32px;
  }

  .nav-search {
    order: 3;
    width: 100%;
    margin: 8px 0 0 0;
    height: 36px;
  }

  .search-select {
    display: none; /* Hide category select on mobile to save search space */
  }

  /* Horizontally scrollable sub-navigation bar */
  .nav-sub {
    padding: 6px 12px;
    gap: 8px;
    overflow-x: auto;
  }

  .nav-sub-links {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    width: 100%;
    scrollbar-width: none; /* Firefox */
  }

  .nav-sub-links::-webkit-scrollbar {
    display: none; /* Safari/Chrome */
  }

  .nav-sub-links a {
    padding: 4px 8px;
    font-size: 13px;
  }

  /* Product Details Restructuring */
  .product-main-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 12px;
    box-shadow: none;
    background-color: transparent;
  }

  /* Move all grid items into a unified card appearance on mobile */
  .gallery-container,
  .details-container,
  .buy-box-container {
    background-color: white;
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
  }

  .buy-box-container {
    grid-column: span 1;
  }

  /* Main Gallery adjustment */
  .gallery-container {
    flex-direction: column-reverse;
  }

  .gallery-thumbnails {
    flex-direction: row;
    justify-content: center;
    overflow-x: auto;
    width: 100%;
    padding: 4px 0;
  }

  .thumbnail-btn {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
  }

  .gallery-main {
    height: 320px;
  }

  /* Product titles and badges */
  .product-title {
    font-size: 20px;
    line-height: 1.35;
  }

  .price-amount {
    font-size: 28px;
  }

  /* Variations layout grid */
  .variation-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
    width: 100%;
  }

  .variation-btn {
    min-width: unset;
    width: 100%;
    padding: 10px 8px;
    align-items: center;
    text-align: center;
  }

  /* A+ Content Section mobile optimization */
  .aplus-container {
    padding: 16px;
  }

  .aplus-banner {
    padding: 24px 16px;
  }

  .aplus-banner h2 {
    font-size: 24px;
  }

  .aplus-banner p {
    font-size: 14px;
  }

  .aplus-features {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .aplus-feature-img {
    height: 200px;
  }

  .aplus-table th, 
  .aplus-table td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* Reviews list mobile stack */
  .reviews-section {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 24px;
  }

  .reviews-summary {
    border-bottom: 1px solid #eee;
    padding-bottom: 24px;
  }

  .review-form-trigger {
    margin-top: 16px;
  }

  /* Q&A Section mobile */
  .qa-container {
    padding: 16px;
  }

  .qa-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .qa-badge {
    text-align: left;
    width: unset;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--amazon-text-muted);
  }

  .qa-question {
    margin-bottom: 4px;
  }
}

@media (max-width: 480px) {
  /* Cart Drawer Full Screen layout */
  .cart-drawer {
    width: 100%;
    right: -100%;
  }

  .cart-drawer.open {
    right: 0;
  }

  .modal-form {
    width: 95%;
    max-height: 95vh;
  }

  .modal-body {
    max-height: 65vh;
    padding: 16px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    padding: 24px 16px;
    gap: 24px;
  }

  /* Full-Screen App view for mobile device */
  #popupBgContainer {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    border-radius: 0 !important;
    border: none !important;
    top: 0 !important;
    left: 0 !important;
    transform: none !important;
    animation: fadeIn 0.3s ease !important;
  }
}
#appleAlertPopup {
  animation: appleAlertSpring 0.35s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

@keyframes appleAlertSpring {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
  70% {
    transform: translate(-50%, -50%) scale(1.03);
    opacity: 0.95;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.vibrate-btn {
  animation: buttonVibrate 1.2s ease-in-out infinite;
  display: inline-block;
}

@keyframes buttonVibrate {
  0%, 100% {
    transform: rotate(0deg) scale(1);
  }
  5%, 15%, 25% {
    transform: rotate(-2.5deg) scale(1.04);
  }
  10%, 20%, 30% {
    transform: rotate(2.5deg) scale(1.04);
  }
  35% {
    transform: rotate(0deg) scale(1);
  }
}