/* ============================================================
   BRIGHT ORCHARD LANE - Online Lingerie Shop
   style.css
   ============================================================ */

:root {
  --pink-primary: #E91E8C;
  --pink-light: #FF69B4;
  --pink-pale: #FFF0F5;
  --pink-border: #FFB6C1;
  --white: #FFFFFF;
  --off-white: #FAFAFA;
  --text-dark: #333333;
  --text-gray: #666666;
  --shadow: 0 2px 8px rgba(233,30,140,0.12);
  --shadow-hover: 0 6px 20px rgba(233,30,140,0.22);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', 'Yu Gothic', sans-serif;
  background-color: var(--off-white);
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.7;
}

a {
  color: var(--pink-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--pink-light);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5 {
  color: var(--text-dark);
  line-height: 1.4;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--pink-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: linear-gradient(135deg, #FFF0F5 0%, #FFFFFF 100%);
}

.logo a {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pink-primary);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.logo a:hover {
  color: var(--pink-light);
}

.logo span {
  font-size: 0.75rem;
  display: block;
  color: var(--text-gray);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-btn {
  background: var(--pink-primary);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.cart-btn:hover {
  background: var(--pink-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.cart-count {
  background: var(--white);
  color: var(--pink-primary);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Horizontal Navigation */
.horizontal-nav {
  background: var(--pink-primary);
  padding: 0 24px;
}

.horizontal-nav ul {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.horizontal-nav ul li a {
  display: block;
  padding: 12px 18px;
  color: var(--white) !important;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.horizontal-nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

.horizontal-nav ul li a:hover::after,
.horizontal-nav ul li a.active::after {
  width: 70%;
}

.horizontal-nav ul li a:hover {
  background: rgba(255,255,255,0.15);
}

/* ============================================================
   Main Layout (sidebar + content)
   ============================================================ */
.main-layout {
  display: flex;
  min-height: calc(100vh - 160px);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0;
}

/* Sidebar */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--white);
  border-right: 1px solid var(--pink-border);
  padding: 24px 0;
  flex-shrink: 0;
}

.vertical-nav h3 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pink-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 20px 8px;
  border-bottom: 1px solid var(--pink-border);
  margin-bottom: 4px;
}

.vertical-nav ul {
  margin-bottom: 8px;
}

.vertical-nav ul li a {
  display: block;
  padding: 9px 20px 9px 28px;
  color: var(--text-dark);
  font-size: 0.88rem;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.vertical-nav ul li a:hover,
.vertical-nav ul li a.active {
  background: var(--pink-pale);
  color: var(--pink-primary);
  border-left-color: var(--pink-primary);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 32px 36px;
  background: var(--off-white);
  min-width: 0;
}

/* ============================================================
   Page Title
   ============================================================ */
.page-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--pink-primary);
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--pink-border);
}

.page-subtitle {
  color: var(--text-gray);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero-section {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: 40px;
  background: linear-gradient(135deg, #FFB6C1, #FFF0F5);
  box-shadow: var(--shadow);
}

.hero-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(233,30,140,0.65) 0%, transparent 60%);
  display: flex;
  align-items: center;
  padding: 40px;
}

.hero-text h1 {
  color: var(--white);
  font-size: 2.2rem;
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
  margin-bottom: 12px;
}

.hero-text p {
  color: rgba(255,255,255,0.92);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--pink-primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--pink-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--pink-primary);
  border: 2px solid var(--pink-primary);
}

.btn-outline:hover {
  background: var(--pink-primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--pink-primary);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--pink-pale);
  transform: translateY(-2px);
}

.btn-large {
  padding: 14px 36px;
  font-size: 1.05rem;
}

/* ============================================================
   Product Grid
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.product-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.product-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.product-card-body {
  padding: 14px 16px;
}

.product-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.product-card-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--pink-primary);
}

.product-card-old-price {
  font-size: 0.82rem;
  color: var(--text-gray);
  text-decoration: line-through;
  margin-left: 8px;
}

.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--pink-primary);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

.product-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

/* ============================================================
   Section Titles
   ============================================================ */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--pink-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   Category Cards
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.category-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.category-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.category-card-body {
  padding: 20px;
  background: linear-gradient(to bottom, var(--white), var(--pink-pale));
}

.category-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 6px;
}

.category-card-count {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 12px;
}

/* ============================================================
   Info Cards
   ============================================================ */
.info-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--pink-primary);
}

.info-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 10px;
}

/* ============================================================
   Two Column Layout
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.two-col-image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--pink-primary);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--pink-border);
  border-radius: var(--border-radius);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--pink-primary);
  box-shadow: 0 0 0 3px rgba(233,30,140,0.12);
}

select.form-control {
  cursor: pointer;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.form-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pink-border);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-item {
  background: var(--white);
  border-radius: var(--border-radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 16px 20px;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--pink-pale);
  color: var(--pink-primary);
}

.faq-question .faq-icon {
  color: var(--pink-primary);
  font-size: 1.2rem;
  transition: var(--transition);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.8;
  border-top: 1px solid var(--pink-border);
  padding-top: 14px;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* ============================================================
   Reviews
   ============================================================ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.review-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--pink-primary);
}

.review-stars {
  color: #FFB300;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.review-text {
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

.review-date {
  font-size: 0.8rem;
  color: var(--text-gray);
}

/* ============================================================
   Cart Table
   ============================================================ */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.cart-table th {
  background: var(--pink-primary);
  color: var(--white);
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
}

.cart-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--pink-border);
  font-size: 0.9rem;
  vertical-align: middle;
}

.cart-table tr:last-child td {
  border-bottom: none;
}

.cart-table tr:hover td {
  background: var(--pink-pale);
}

.cart-item-img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 6px;
}

.qty-input {
  width: 60px;
  padding: 6px 10px;
  border: 1.5px solid var(--pink-border);
  border-radius: 6px;
  text-align: center;
  font-size: 0.9rem;
}

.cart-summary {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 360px;
  margin-left: auto;
}

.cart-summary h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--pink-primary);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--pink-border);
  font-size: 0.9rem;
}

.cart-summary-row.total {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--pink-primary);
  border-bottom: none;
  margin-top: 8px;
}

/* ============================================================
   Product Detail
   ============================================================ */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.product-detail-images .main-image {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
}

.product-detail-images .thumb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.product-detail-images .thumb-grid img {
  width: 100%;
  height: 70px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.product-detail-images .thumb-grid img:hover {
  border-color: var(--pink-primary);
}

.product-detail-info h1 {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.product-price-large {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--pink-primary);
  margin-bottom: 16px;
}

.product-size-picker,
.product-color-picker {
  margin-bottom: 16px;
}

.product-size-picker label,
.product-color-picker label {
  font-size: 0.9rem;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.size-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.size-btn {
  padding: 7px 16px;
  border: 1.5px solid var(--pink-border);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  font-size: 0.88rem;
  transition: var(--transition);
}

.size-btn:hover,
.size-btn.selected {
  background: var(--pink-primary);
  color: var(--white);
  border-color: var(--pink-primary);
}

/* ============================================================
   Order Confirmation
   ============================================================ */
.confirmation-box {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 600px;
  margin: 0 auto 40px;
}

.confirmation-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.confirmation-box h2 {
  font-size: 1.8rem;
  color: var(--pink-primary);
  margin-bottom: 12px;
}

.order-details-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  text-align: left;
}

.order-details-table th,
.order-details-table td {
  padding: 10px 14px;
  border: 1px solid var(--pink-border);
  font-size: 0.9rem;
}

.order-details-table th {
  background: var(--pink-pale);
  color: var(--pink-primary);
  font-weight: 600;
}

/* ============================================================
   Policy Pages
   ============================================================ */
.policy-section {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.policy-section h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pink-border);
}

.policy-section p,
.policy-section li {
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 10px;
}

.policy-section ul,
.policy-section ol {
  padding-left: 20px;
  list-style: disc;
}

.policy-section ol {
  list-style: decimal;
}

/* ============================================================
   Alert / Notice Boxes
   ============================================================ */
.notice-box {
  border-radius: var(--border-radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.notice-box.info {
  background: #E3F2FD;
  border-left: 4px solid #1976D2;
  color: #1565C0;
}

.notice-box.success {
  background: #E8F5E9;
  border-left: 4px solid #388E3C;
  color: #2E7D32;
}

.notice-box.warning {
  background: #FFF8E1;
  border-left: 4px solid #F9A825;
  color: #F57F17;
}

.notice-box.pink {
  background: var(--pink-pale);
  border-left: 4px solid var(--pink-primary);
  color: var(--pink-primary);
}

/* ============================================================
   Feature Icons Row
   ============================================================ */
.features-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.feature-item {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.feature-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--pink-primary);
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 0.82rem;
  color: var(--text-gray);
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 20px;
}

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

.breadcrumb a:hover {
  color: var(--pink-primary);
}

.breadcrumb .sep {
  color: var(--pink-border);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white);
  color: var(--text-dark);
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
  background: var(--pink-primary);
  color: var(--white);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: linear-gradient(135deg, #2D0A20 0%, #4A1230 100%);
  color: rgba(255,255,255,0.85);
  margin-top: 40px;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 40px 32px 24px;
}

.footer-section h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,182,193,0.3);
}

.footer-section p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
}

.footer-section ul li {
  margin-bottom: 6px;
}

.footer-section ul li a {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--pink-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,182,193,0.2);
  text-align: center;
  padding: 16px 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  max-width: 1400px;
  margin: 0 auto;
}

/* ============================================================
   Live Chat Widget
   ============================================================ */
.chat-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
}

.chat-toggle {
  background: var(--pink-primary);
  color: var(--white);
  border: none;
  padding: 14px 22px;
  border-radius: 32px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(233,30,140,0.4);
  transition: var(--transition);
  font-family: inherit;
}

.chat-toggle:hover {
  background: var(--pink-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(233,30,140,0.5);
}

.chat-box {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 320px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  overflow: hidden;
  border: 1px solid var(--pink-border);
}

.chat-header {
  background: var(--pink-primary);
  color: var(--white);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 600;
}

.chat-header button {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

.chat-messages {
  height: 240px;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--pink-pale);
}

.chat-msg {
  max-width: 80%;
  padding: 9px 13px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.chat-msg.bot {
  background: var(--white);
  color: var(--text-dark);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.chat-msg.user {
  background: var(--pink-primary);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-input {
  display: flex;
  border-top: 1px solid var(--pink-border);
}

.chat-input input {
  flex: 1;
  border: none;
  padding: 11px 14px;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  background: var(--white);
}

.chat-input button {
  background: var(--pink-primary);
  color: var(--white);
  border: none;
  padding: 11px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.chat-input button:hover {
  background: var(--pink-light);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .features-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    border-right: none;
    border-bottom: 1px solid var(--pink-border);
    padding: 12px 0;
  }

  .vertical-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 0 12px;
  }

  .vertical-nav ul li a {
    padding: 6px 12px;
    border: 1px solid var(--pink-border);
    border-radius: 16px;
    border-left: none;
    font-size: 0.82rem;
  }

  .vertical-nav h3 {
    padding: 8px 12px 4px;
  }

  .main-content {
    padding: 20px 16px;
  }

  .hero-image {
    height: 250px;
  }

  .hero-text h1 {
    font-size: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }

  .horizontal-nav ul {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .horizontal-nav ul li a {
    padding: 10px 12px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .header-top {
    padding: 10px 14px;
  }

  .logo a {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .features-row {
    grid-template-columns: 1fr 1fr;
  }

  .chat-box {
    width: 280px;
  }
}

/* ============================================================
   Utility Classes
   ============================================================ */
.text-center { text-align: center; }
.text-pink { color: var(--pink-primary); }
.text-gray { color: var(--text-gray); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }
.w-100 { width: 100%; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-16 { gap: 16px; }
.rounded { border-radius: var(--border-radius); }
.shadow { box-shadow: var(--shadow); }
.bg-white { background: var(--white); }
.bg-pink-pale { background: var(--pink-pale); }