/* ==========================================================================
   Shop K Site Mall Template
   Design Spec: High-saturation blue accent, expansive whitespace, symmetrical modular grid
   ========================================================================== */

:root {
  --blue-primary: #0052FF;
  --blue-hover: #0040D6;
  --blue-active: #0033B3;
  --blue-light: #EEF4FF;
  --blue-tint: #F5F8FF;
  --blue-border: #D6E4FF;
  
  --color-dark: #0F172A;
  --color-body: #334155;
  --color-muted: #64748B;
  --color-subtle: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-bg-canvas: #FFFFFF;
  --color-bg-subtle: #F8FAFC;
  --color-danger: #EF4444;
  --color-success: #10B981;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-card: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 28px -6px rgba(0, 82, 255, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --container-max: 1240px;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-body);
  background-color: var(--color-bg-canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--blue-primary);
}

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

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.gap-10 { gap: 40px; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { grid-template-columns: repeat(5, 1fr); gap: 20px; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-base { font-size: 15px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 30px; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-blue { color: var(--blue-primary); }
.text-dark { color: var(--color-dark); }
.text-muted { color: var(--color-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--blue-primary);
  color: #FFFFFF;
  border-color: var(--blue-primary);
}

.btn-primary:hover {
  background-color: var(--blue-hover);
  border-color: var(--blue-hover);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.25);
}

.btn-outline {
  background-color: #FFFFFF;
  color: var(--blue-primary);
  border-color: var(--blue-primary);
}

.btn-outline:hover {
  background-color: var(--blue-light);
  color: var(--blue-hover);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-body);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-subtle);
  color: var(--color-dark);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.badge-blue {
  background-color: var(--blue-light);
  color: var(--blue-primary);
  border: 1px solid var(--blue-border);
}

.badge-solid-blue {
  background-color: var(--blue-primary);
  color: #FFFFFF;
}

.badge-gray {
  background-color: var(--color-bg-subtle);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

/* Top Bar */
.topbar {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-muted);
  height: 38px;
  line-height: 38px;
}

.topbar-link {
  color: var(--color-muted);
  margin-left: 16px;
}

.topbar-link:hover {
  color: var(--blue-primary);
}

.topbar-divider {
  display: inline-block;
  width: 1px;
  height: 12px;
  background-color: var(--color-border);
  margin: 0 12px;
  vertical-align: middle;
}

/* Main Header */
.main-header {
  background-color: #FFFFFF;
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--color-border);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--blue-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: 0.5px;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 11px;
  color: var(--blue-primary);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Search Bar */
.search-container {
  max-width: 520px;
  width: 100%;
}

.search-box {
  display: flex;
  border: 2px solid var(--blue-primary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: #FFFFFF;
  transition: box-shadow 0.2s;
}

.search-box:focus-within {
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

.search-input {
  flex: 1;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-dark);
}

.search-btn {
  background-color: var(--blue-primary);
  color: #FFFFFF;
  border: none;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

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

.hot-keywords {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-muted);
}

.hot-keywords a:hover {
  color: var(--blue-primary);
}

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

.cart-btn-wrapper {
  position: relative;
}

.cart-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border: 1px solid var(--blue-primary);
  border-radius: var(--radius-sm);
  color: var(--blue-primary);
  font-weight: 600;
  font-size: 14px;
  background-color: var(--blue-tint);
  transition: all 0.2s;
}

.cart-btn:hover {
  background-color: var(--blue-primary);
  color: #FFFFFF;
}

.cart-badge {
  background-color: var(--blue-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.cart-btn:hover .cart-badge {
  background-color: #FFFFFF;
  color: var(--blue-primary);
}

/* Nav Bar */
.nav-bar {
  background-color: #FFFFFF;
  border-bottom: 2px solid var(--color-border);
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-item a {
  display: block;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  position: relative;
  transition: color 0.2s;
}

.nav-item a:hover, .nav-item.active a {
  color: var(--blue-primary);
}

.nav-item.active a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--blue-primary);
}

.nav-highlight {
  margin-left: auto;
  color: var(--blue-primary) !important;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Breadcrumbs */
.breadcrumb-nav {
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border-light);
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-subtle);
}

.breadcrumb-current {
  color: var(--color-dark);
  font-weight: 500;
}

/* Section Common */
.section {
  padding: 60px 0;
}

.section-subtle {
  background-color: var(--color-bg-subtle);
}

.section-header {
  margin-bottom: 36px;
}

.section-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 22px;
  background-color: var(--blue-primary);
  border-radius: 2px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 6px;
  margin-left: 16px;
}

/* Hero Section */
.hero-modular-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  margin-top: 24px;
}

.hero-main-banner {
  background: linear-gradient(135deg, #0052FF 0%, #003ECC 100%);
  border-radius: var(--radius-md);
  padding: 56px 48px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
  position: relative;
  overflow: hidden;
}

.hero-main-banner::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero-heading {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtext {
  font-size: 16px;
  opacity: 0.9;
  max-width: 500px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.hero-side-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-mini-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.hero-mini-card:hover {
  border-color: var(--blue-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.hero-mini-card.highlight {
  background-color: var(--blue-light);
  border-color: var(--blue-border);
}

/* Category Quick Nav Bar */
.category-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.cat-box {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.cat-box:hover, .cat-box.active {
  border-color: var(--blue-primary);
  background-color: var(--blue-tint);
  transform: translateY(-2px);
}

.cat-number {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-primary);
  letter-spacing: 1px;
}

.cat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--blue-light);
  color: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: all 0.2s;
}

.cat-box:hover .cat-icon {
  background-color: var(--blue-primary);
  color: #FFFFFF;
}

.cat-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  overflow-wrap: anywhere;
}

.merchant-feature-index {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  color: var(--blue-primary);
  border: 1px solid var(--blue-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cat-count {
  font-size: 12px;
  color: var(--color-muted);
}

/* Product Card - Modular Symmetric */
.product-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

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

.product-thumb-wrap {
  position: relative;
  width: 100%;
  padding-top: 100%; /* 1:1 Aspect ratio */
  background-color: var(--color-bg-subtle);
  overflow: hidden;
}

.product-thumb-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb-wrap img {
  transform: scale(1.05);
}

.product-badge-pos {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.product-info {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-brand {
  font-size: 12px;
  color: var(--color-subtle);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.4;
  height: 42px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 8px;
}

.product-title:hover {
  color: var(--blue-primary);
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.product-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.product-price-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.product-price {
  font-size: 20px;
  font-weight: 800;
  color: var(--blue-primary);
  line-height: 1;
}

.product-price::before {
  content: '¥';
  font-size: 13px;
  font-weight: 600;
  margin-right: 1px;
}

.product-price-orig {
  font-size: 12px;
  color: var(--color-subtle);
  text-decoration: line-through;
}

.btn-add-cart-mini {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--blue-light);
  color: var(--blue-primary);
  border: 1px solid var(--blue-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-add-cart-mini:hover {
  background-color: var(--blue-primary);
  color: #FFFFFF;
  border-color: var(--blue-primary);
}

/* Tabs Modular Component */
.tab-header {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: 32px;
  margin-bottom: 28px;
}

.tab-btn {
  padding: 12px 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-muted);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.tab-btn:hover {
  color: var(--blue-primary);
}

.tab-btn.active {
  color: var(--blue-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--blue-primary);
}

/* Merchant Showcase Card */
.merchant-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s;
}

.merchant-card:hover {
  border-color: var(--blue-primary);
  box-shadow: var(--shadow-hover);
}

.merchant-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.merchant-avatar {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--blue-light);
  color: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  border: 1px solid var(--blue-border);
}

.merchant-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
}

.merchant-info p {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 2px;
}

.detail-store-card {
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
}

.detail-store-card > .flex:first-child {
  min-width: 0;
}

.detail-store-card h4,
.detail-store-card .text-xs {
  overflow-wrap: anywhere;
}

.detail-store-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.shop-contact-card {
  grid-column: 1 / -1;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.8;
}

.shop-contact-card > div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
}

.shop-contact-card strong {
  color: var(--color-dark);
}

.shop-contact-card span {
  overflow-wrap: anywhere;
}

.shop-contact-intro {
  margin-top: 6px;
}

/* Callout Join Banner */
.join-banner {
  background: #FFFFFF;
  border: 2px solid var(--blue-primary);
  border-radius: var(--radius-md);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.join-banner-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.join-banner-text p {
  font-size: 15px;
  color: var(--color-muted);
}

/* Features Grid (Footer Top) */
.features-bar {
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 36px 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--blue-light);
  color: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
}

.feature-item p {
  font-size: 13px;
  color: var(--color-muted);
}

/* ==========================================================================
   FORM CONTROLS & AUTHENTICATION
   ========================================================================== */
.form-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 11px 16px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-dark);
  transition: all 0.2s;
}

.form-control:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

.input-group {
  display: flex;
}

.input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-body);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  accent-color: var(--blue-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ==========================================================================
   PRODUCT DETAIL PAGE SPECIFIC
   ========================================================================== */
.detail-grid {
  display: grid;
  grid-template-columns: 500px 1fr;
  gap: 48px;
}

.gallery-main {
  width: 100%;
  aspect-ratio: 1/1;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

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

.gallery-thumbs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.thumb-item {
  width: 78px;
  height: 78px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
  transition: all 0.2s;
}

.thumb-item.active, .thumb-item:hover {
  border-color: var(--blue-primary);
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-info {
  display: flex;
  flex-direction: column;
}

.detail-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.detail-subtitle {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.detail-price-panel {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.sku-selector-group {
  margin-bottom: 24px;
}

.sku-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 10px;
}

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

.sku-pill {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-dark);
  cursor: pointer;
  background-color: #FFFFFF;
  transition: all 0.2s;
}

.sku-pill:hover {
  border-color: var(--blue-primary);
}

.sku-pill.active {
  border-color: var(--blue-primary);
  background-color: var(--blue-light);
  color: var(--blue-primary);
  font-weight: 600;
}

.quantity-stepper {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.stepper-btn {
  width: 36px;
  height: 36px;
  background-color: var(--color-bg-subtle);
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
}

.stepper-btn:hover {
  background-color: var(--color-border);
}

.stepper-input {
  width: 50px;
  height: 36px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
}

/* ==========================================================================
   CART PAGE SPECIFIC
   ========================================================================== */
.cart-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cart-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.cart-table td {
  padding: 20px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

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

.cart-item-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  object-fit: cover;
}

.cart-bottom-bar {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   MERCHANT JOIN WIZARD SPECIFIC
   ========================================================================== */
.step-wizard {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}

.step-wizard::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 40px;
  right: 40px;
  height: 2px;
  background-color: var(--color-border);
  z-index: 1;
}

.wizard-step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}

.step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 2px solid var(--color-border);
  color: var(--color-muted);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  transition: all 0.2s;
}

.wizard-step.active .step-circle {
  border-color: var(--blue-primary);
  background-color: var(--blue-primary);
  color: #FFFFFF;
  box-shadow: 0 0 0 4px var(--blue-light);
}

.wizard-step.completed .step-circle {
  border-color: var(--blue-primary);
  background-color: #FFFFFF;
  color: var(--blue-primary);
}

.step-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
}

.wizard-step.active .step-label {
  color: var(--blue-primary);
}

/* ==========================================================================
   STORE PAGE SPECIFIC
   ========================================================================== */
.store-hero {
  background: linear-gradient(135deg, #0A192F 0%, #0052FF 100%);
  color: #FFFFFF;
  padding: 40px 0;
}

.store-meta-box {
  display: flex;
  align-items: center;
  gap: 24px;
}

.store-big-logo {
  width: 80px;
  height: 80px;
  background: #FFFFFF;
  color: var(--blue-primary);
  font-size: 36px;
  font-weight: 800;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.store-ratings {
  display: flex;
  gap: 24px;
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.9;
  flex-wrap: wrap;
}

.store-contact-item {
  background: var(--color-bg-subtle);
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  min-width: 0;
}

.store-contact-item p {
  overflow-wrap: anywhere;
}

/* Toast Message */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--color-dark);
  color: #FFFFFF;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--blue-primary);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  max-width: 500px;
  width: 90%;
  padding: 32px;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-modular-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .btn-lg {
    padding: 12px 18px;
    font-size: 14px;
  }

  .hero-main-banner {
    padding: 32px 24px;
    min-height: auto;
  }

  .hero-main-banner .flex.items-center.gap-4 {
    flex-wrap: wrap;
  }

  .category-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .cat-box {
    min-width: 0;
    padding: 16px 12px;
  }

  .gallery-main {
    max-width: 100%;
  }

  .gallery-thumbs {
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .thumb-item {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
  }

  .detail-grid > div,
  .detail-info,
  .detail-price-panel,
  .gallery-main,
  .gallery-thumbs {
    min-width: 0;
  }

  .detail-info > .flex.gap-4 {
    flex-wrap: wrap;
  }

  .detail-info > .flex.gap-4 .btn {
    flex: 1 1 160px;
  }

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

  .detail-store-actions {
    justify-content: flex-start;
  }

  .price-row {
    flex-wrap: wrap;
  }

  .form-card > .flex,
  .section-header,
  .store-hero .flex.items-center.justify-between {
    align-items: flex-start;
  }

  .form-card .flex.items-center.gap-4,
  .form-card .flex.items-center.gap-2,
  .section-header.flex,
  .store-hero .flex.items-center.justify-between {
    flex-wrap: wrap;
  }

  .form-card .form-control {
    max-width: 100%;
  }

  .list-filter-tools,
  .list-price-tools,
  .list-price-inputs,
  .list-sort-toolbar,
  .list-sort-buttons,
  .list-sort-checks {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .list-filter-tools,
  .list-sort-toolbar {
    gap: 12px;
  }

  .list-price-tools {
    gap: 10px;
  }

  .list-price-tools > span {
    width: auto !important;
  }

  .list-price-inputs .form-control {
    width: 96px !important;
  }

  .list-sort-buttons {
    gap: 8px;
  }

  .list-sort-buttons > span {
    width: 100%;
    margin-right: 0 !important;
  }

  .list-sort-checks {
    gap: 12px;
  }

  .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .join-banner { flex-direction: column; text-align: center; }
  .main-header .flex { flex-direction: column; gap: 16px; }
  .search-container { max-width: 100%; }
}