/*
Theme Name: Hợp Nguyễn - Sexy Underwear
Theme URI: https://dolothopnguyen.com
Description: Custom boutique lingerie theme for Hợp Nguyễn shop
Version: 1.0.0
Author: Hợp Nguyễn
Author URI: https://dolothopnguyen.com
Text Domain: hopnguyen
*/

/* ============================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* Brand Colors */
  --cream: #F5F0EB;
  --cream-dark: #EDE5DB;
  --cream-darker: #E0D5C8;
  --rose: #D4919B;
  --rose-light: #F0D4D8;
  --rose-dark: #B8727D;
  --rose-glow: rgba(212, 145, 155, 0.15);
  --brown-gold: #8B6914;
  --brown-warm: #6B4E31;
  --brown-light: #A07850;
  --charcoal: #2D2D2D;
  --charcoal-light: #4A4A4A;
  --gold: #C4956A;
  --gold-light: #D4B08A;
  --white: #FFFFFF;
  --white-alpha: rgba(255,255,255,0.85);
  --black-alpha: rgba(0,0,0,0.06);
  --danger: #E74C3C;
  --success: #27AE60;

  /* Typography */
  --font-brand: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Container */
  --container-max: 1200px;
  --container-padding: 16px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(107,78,49,0.06);
  --shadow-md: 0 4px 20px rgba(107,78,49,0.1);
  --shadow-lg: 0 8px 40px rgba(107,78,49,0.12);
  --shadow-rose: 0 4px 20px rgba(212,145,155,0.3);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; font-size:16px; }
body {
  font-family: var(--font-body);
  color: var(--brown-warm);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition: color var(--transition-fast); }
button,input,select,textarea { font-family:inherit; font-size:inherit; }
ul,ol { list-style:none; }

/* ============================================================
   UTILITIES
   ============================================================ */
.container { max-width:var(--container-max); margin:0 auto; padding:0 var(--container-padding); }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0; }
.text-center { text-align:center; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4 {
  font-family: var(--font-brand);
  color: var(--brown-gold);
  line-height: 1.2;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white-alpha);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--black-alpha);
  transition: box-shadow var(--transition-normal);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: 0.8rem;
  color: var(--brown-light);
  border-bottom: 1px solid var(--black-alpha);
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-md);
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
}
.logo-name {
  font-family: var(--font-brand);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--brown-gold);
  letter-spacing: 0.5px;
  line-height: 1;
}
.logo-tagline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--rose);
  letter-spacing: 2px;
  text-transform: lowercase;
  margin-top: 2px;
  font-style: italic;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-search {
  position: relative;
}
.header-search input {
  padding: 8px 36px 8px 14px;
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--brown-warm);
  width: 180px;
  transition: all var(--transition-normal);
  font-size: 0.85rem;
}
.header-search input:focus {
  outline: none;
  border-color: var(--rose);
  width: 240px;
  box-shadow: var(--shadow-rose);
}
.header-search .search-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brown-light);
  pointer-events: none;
}

.icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--brown-warm);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  background: var(--rose-light);
  color: var(--rose-dark);
}
.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--rose);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0);
  transition: transform var(--transition-fast);
}
.cart-count.show { transform: scale(1); animation: cartPop 0.4s var(--ease-bounce); }

@keyframes cartPop {
  0% { transform: scale(0); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--cream-dark);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 0;
}
.lang-toggle button {
  padding: 4px 12px;
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brown-light);
  transition: all var(--transition-fast);
}
.lang-toggle button.active {
  background: var(--white);
  color: var(--brown-gold);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   NAV CATEGORIES
   ============================================================ */
.nav-categories {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-sm) 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-categories::-webkit-scrollbar { display:none; }
.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--brown-warm);
  white-space: nowrap;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--rose);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after { width: 80%; }
.nav-link:hover, .nav-link.active { color: var(--rose-dark); }
.nav-link .nav-icon { font-size: 1.3rem; }

/* Mobile nav */
.mobile-menu-btn { display: none; }

@media (max-width: 768px) {
  .header-search input { width: 120px; }
  .header-search input:focus { width: 150px; }
  .nav-categories { justify-content: flex-start; padding: var(--space-sm) var(--space-md); gap: var(--space-md); }
  .mobile-menu-btn { display: flex; }
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cream) 0%, var(--rose-light) 100%);
}
.hero-slider {
  display: flex;
  transition: transform 0.6s var(--ease-out);
}
.hero-slide {
  min-width: 100%;
  position: relative;
}
.hero-slide img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245,240,235,0.85) 0%, rgba(212,145,155,0.3) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}
.hero-title {
  font-family: var(--font-brand);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--brown-gold);
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.8s var(--ease-out);
}
.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--brown-light);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s 0.1s var(--ease-out) both;
}
.hero-cta {
  animation: fadeInUp 0.8s 0.2s var(--ease-out) both;
}

@keyframes fadeInUp {
  from { opacity:0; transform:translateY(20px); }
  to { opacity:1; transform:translateY(0); }
}

.hero-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0.5;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}
.hero-dot.active { opacity: 1; background: var(--rose); width: 24px; border-radius: 4px; }

@media (max-width: 768px) {
  .hero-slide img { height: 280px; }
}

/* ============================================================
   CATEGORY STRIP
   ============================================================ */
.category-strip {
  padding: var(--space-2xl) 0;
  text-align: center;
}
.category-strip h2 { margin-bottom: var(--space-xl); }
.category-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}
.category-card:hover { transform: translateY(-4px); }
.category-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose-light), var(--cream-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}
.category-card:hover .category-icon {
  box-shadow: var(--shadow-rose);
  border-color: var(--rose);
  background: linear-gradient(135deg, var(--rose), var(--rose-light));
}
.category-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brown-warm);
}
.category-label-en {
  font-size: 0.7rem;
  color: var(--brown-light);
}

@media (max-width: 480px) {
  .category-icon { width: 64px; height: 64px; font-size: 1.6rem; }
  .category-grid { gap: var(--space-md); }
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}
.section-heading h2 {
  position: relative;
  padding-bottom: var(--space-sm);
}
.section-heading h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--rose), var(--gold));
  border-radius: 2px;
}
.section-heading .view-all {
  font-size: 0.85rem;
  color: var(--rose);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}
.section-heading .view-all:hover { gap: 8px; }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-section {
  padding: var(--space-2xl) 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--cream-dark);
}
.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.product-card:hover .product-card-image img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-sale { background: var(--danger); color: var(--white); }
.badge-new { background: var(--rose); color: var(--white); }

.product-quick-add {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.4));
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}
.product-card:hover .product-quick-add { transform: translateY(0); }

.product-card-info {
  padding: var(--space-md);
}
.product-card-name {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: var(--space-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-category {
  font-size: 0.72rem;
  color: var(--rose);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.product-card-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}
.price-current {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brown-gold);
}
.price-original {
  font-size: 0.8rem;
  color: var(--brown-light);
  text-decoration: line-through;
}
.price-discount {
  font-size: 0.7rem;
  color: var(--danger);
  font-weight: 700;
}

@media (max-width: 768px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .product-card-info { padding: var(--space-sm) var(--space-md) var(--space-md); }
  .product-quick-add { transform: translateY(0); background: linear-gradient(transparent, rgba(0,0,0,0.3)); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--rose), var(--rose-dark));
  color: var(--white);
  box-shadow: var(--shadow-rose);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212,145,155,0.45);
}
.btn-secondary {
  background: var(--white);
  color: var(--brown-warm);
  border: 1.5px solid var(--cream-darker);
}
.btn-secondary:hover {
  border-color: var(--rose);
  color: var(--rose-dark);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--rose-dark); }
.btn-sm { padding: 8px 18px; font-size: 0.8rem; }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-add-cart {
  background: var(--white);
  color: var(--rose-dark);
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}
.btn-add-cart:hover {
  background: var(--rose);
  color: var(--white);
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail {
  padding: var(--space-2xl) 0;
}
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.product-gallery {
  position: relative;
}
.product-gallery-main {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--cream-dark);
  margin-bottom: var(--space-md);
}
.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-gallery-thumbs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
}
.product-gallery-thumbs img {
  width: 64px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
  opacity: 0.7;
}
.product-gallery-thumbs img.active,
.product-gallery-thumbs img:hover { border-color: var(--rose); opacity: 1; }

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.product-info-category {
  font-size: 0.8rem;
  color: var(--rose);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}
.product-info-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--charcoal);
}
.product-info-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
}
.product-info-price .price-current {
  font-size: 1.5rem;
}

.product-sizes {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.product-sizes label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--brown-warm);
}
.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.size-btn {
  padding: 8px 18px;
  border: 2px solid var(--cream-darker);
  border-radius: var(--radius-md);
  background: var(--white);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--brown-warm);
  transition: all var(--transition-fast);
}
.size-btn:hover, .size-btn.selected {
  border-color: var(--rose);
  color: var(--rose-dark);
  background: var(--rose-light);
}

.product-colors {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.color-chip {
  padding: 6px 16px;
  border: 2px solid var(--cream-darker);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--brown-warm);
  background: var(--white);
  transition: all var(--transition-fast);
}
.color-chip:hover, .color-chip.selected {
  border-color: var(--rose);
  background: var(--rose-light);
  color: var(--rose-dark);
}

.product-measurements {
  background: var(--cream);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
}
.product-measurements .measurement-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid var(--cream-darker);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--cream);
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--brown-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.qty-btn:hover { background: var(--rose-light); }
.qty-input {
  width: 50px;
  height: 40px;
  border: none;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--charcoal);
  background: var(--white);
}
.qty-input:focus { outline: none; }

.add-to-cart-section {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .product-detail-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CART PAGE
   ============================================================ */
.cart-page { padding: var(--space-2xl) 0; }
.cart-empty {
  text-align: center;
  padding: var(--space-3xl);
}
.cart-empty-icon { font-size: 4rem; margin-bottom: var(--space-lg); }

.cart-items { display: flex; flex-direction: column; gap: var(--space-md); }
.cart-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  align-items: center;
}
.cart-item-image {
  width: 90px;
  height: 110px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.cart-item-image img { width:100%; height:100%; object-fit:cover; }
.cart-item-info { flex:1; min-width:0; }
.cart-item-name {
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 2px;
}
.cart-item-meta {
  font-size: 0.8rem;
  color: var(--brown-light);
}
.cart-item-price {
  font-weight: 700;
  color: var(--brown-gold);
  font-size: 0.95rem;
}
.cart-item-remove {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--cream);
  color: var(--brown-light);
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-remove:hover { background: var(--danger); color: var(--white); }

.cart-summary {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  margin-top: var(--space-xl);
}
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: 0.9rem;
}
.cart-summary-row.total {
  border-top: 2px solid var(--cream-dark);
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brown-gold);
}

/* ============================================================
   CHECKOUT PAGE
   ============================================================ */
.checkout-page { padding: var(--space-2xl) 0; }
.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
}
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-group label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--brown-warm);
}
.form-input {
  padding: 12px 16px;
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--charcoal);
  background: var(--white);
  transition: border-color var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--rose);
  box-shadow: 0 0 0 3px var(--rose-glow);
}
.form-input::placeholder { color: var(--brown-light); opacity: 0.6; }
textarea.form-input { resize: vertical; min-height: 80px; }

@media (max-width: 768px) {
  .checkout-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ORDER CONFIRMATION
   ============================================================ */
.order-confirmation {
  padding: var(--space-2xl) 0;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.order-success-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: checkPop 0.6s var(--ease-bounce);
}
@keyframes checkPop {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}
.order-code {
  background: var(--rose-light);
  display: inline-block;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--rose-dark);
  margin: var(--space-md) 0;
}
.qr-section {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: var(--space-xl) 0;
}
.qr-section img {
  max-width: 250px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-md);
}
.bank-info {
  text-align: left;
  background: var(--cream);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}
.bank-info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--cream-dark);
}
.bank-info-row:last-child { border-bottom: none; }
.bank-info-row strong { color: var(--charcoal); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-2xl);
}
.footer-brand .logo-name { color: var(--gold); }
.footer-brand .logo-tagline { color: var(--rose-light); }
.footer-brand p { margin-top: var(--space-md); font-size: 0.85rem; line-height: 1.7; }

.footer-links h4, .footer-contact h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-md);
}
.footer-links ul { display:flex; flex-direction:column; gap:var(--space-sm); }
.footer-links a {
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--rose-light); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.85rem;
}
.footer-contact-item .icon { color: var(--rose); font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: var(--rose);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  margin-top: var(--space-2xl);
  text-align: center;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--charcoal);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transform: translateY(120%);
  transition: transform var(--transition-normal);
}
.toast.show { transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ============================================================
   LOADING / SKELETON
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--cream-dark) 25%, var(--cream) 50%, var(--cream-dark) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   SHOP / ARCHIVE PAGE
   ============================================================ */
.shop-page { padding: var(--space-2xl) 0; }
.shop-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.shop-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}
.filter-btn {
  padding: 8px 20px;
  border: 1.5px solid var(--cream-darker);
  border-radius: var(--radius-full);
  background: var(--white);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brown-warm);
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--rose);
  background: var(--rose);
  color: var(--white);
}

.no-products {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--brown-light);
}

/* Load more */
.load-more-wrap {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* ============================================================
   ACCOUNT PAGE
   ============================================================ */
.account-page { padding: var(--space-2xl) 0; max-width: 700px; margin: 0 auto; }
.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}
.auth-tabs {
  display: flex;
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--cream-dark);
}
.auth-tab {
  flex: 1;
  padding: var(--space-md);
  text-align: center;
  font-weight: 600;
  color: var(--brown-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.auth-tab.active {
  color: var(--rose-dark);
  border-bottom-color: var(--rose);
}

.order-list { display: flex; flex-direction: column; gap: var(--space-md); }
.order-item {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.order-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}
.order-status {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.status-pending { background: #FFF3CD; color: #856404; }
.status-confirmed { background: #D4EDDA; color: #155724; }
.status-shipped { background: #CCE5FF; color: #004085; }
.status-delivered { background: #D4EDDA; color: #155724; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  font-size: 0.8rem;
  color: var(--brown-light);
}
.breadcrumb a:hover { color: var(--rose); }
.breadcrumb .separator { opacity: 0.4; }

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--rose);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-rose);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 900;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--rose-dark); transform: translateY(-2px); }

/* ============================================================
   FLOATING ZALo BUTTON
   ============================================================ */
.zalo-float {
  position: fixed;
  bottom: 80px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #0068FF;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0,104,255,0.4);
  z-index: 900;
  transition: all var(--transition-fast);
  text-decoration: none;
  animation: zaloFloat 3s ease-in-out infinite;
}
.zalo-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(0,104,255,0.5); }
@keyframes zaloFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}
.modal-overlay.show .modal { transform: scale(1) translateY(0); }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--cream);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--danger); color: var(--white); }

/* ============================================================
   MOBILE DRAWER
   ============================================================ */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: var(--white);
  z-index: 3000;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.mobile-drawer-overlay.open { opacity: 1; pointer-events: all; }

.mobile-drawer-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--cream-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-drawer-nav {
  padding: var(--space-md);
}
.mobile-drawer-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background var(--transition-fast);
}
.mobile-drawer-nav a:hover { background: var(--cream); }
.mobile-drawer-nav .nav-icon { font-size: 1.3rem; }

/* ============================================================
   PAGE TRANSITIONS
   ============================================================ */
.page-content {
  animation: pageIn 0.4s var(--ease-out);
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Product card stagger */
.product-card { opacity: 0; transform: translateY(20px); }
.product-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* SVG Icon Styling */
.category-icon svg {
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.category-card:hover .category-icon svg {
  stroke: #B8727D;
  transform: scale(1.08);
}
.category-card:hover .category-icon svg circle[fill],
.category-card:hover .category-icon svg [fill="#8B6914"] {
  fill: #B8727D;
}
.nav-link .nav-icon svg {
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-link:hover .nav-icon svg {
  stroke: #B8727D;
}