/* ===========================================
   SAMSHOP - MAIN STYLESHEET
   Style: YouTube Theme (White, Gray, Black, Red)
   =========================================== */

/* -------------------------------------------
   CSS CUSTOM PROPERTIES (Variables)
   - กำหนด colors, fonts, spacing ไว้ที่นี่
   - ง่ายต่อการเปลี่ยน theme ทั้งหมด
   ------------------------------------------- */
:root {
  /* Colors - Primary (YouTube Red) */
  --color-primary: #ff0000;        /* Main brand color - Red */
  --color-primary-dark: #cc0000;   /* Hover state */
  --color-primary-light: #ffebee;  /* Light background */

  /* Colors - Neutral (Grayscale) */
  --color-white: #ffffff;
  --color-gray-50: #f9f9f9;        /* Very light background */
  --color-gray-100: #f1f1f1;       /* Card backgrounds */
  --color-gray-200: #e5e5e5;       /* Borders */
  --color-gray-300: #cccccc;       /* Disabled states */
  --color-gray-400: #909090;       /* Placeholder text */
  --color-gray-500: #606060;       /* Secondary text */
  --color-gray-600: #404040;       /* Body text */
  --color-gray-700: #282828;       /* Headings */
  --color-gray-800: #1a1a1a;       /* Dark text */
  --color-gray-900: #0f0f0f;       /* Darkest text */

  /* Colors - Semantic */
  --color-success: #2e7d32;        /* Green - success messages */
  --color-warning: #ed6c02;        /* Orange - warnings */
  --color-error: #d32f2f;          /* Red - errors */
  --color-info: #0288d1;           /* Blue - info */

  /* Typography */
  --font-family: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;         /* 12px */
  --font-size-sm: 0.875rem;        /* 14px */
  --font-size-base: 1rem;          /* 16px */
  --font-size-lg: 1.125rem;        /* 18px */
  --font-size-xl: 1.25rem;         /* 20px */
  --font-size-2xl: 1.5rem;         /* 24px */
  --font-size-3xl: 1.875rem;       /* 30px */
  --font-size-4xl: 2.25rem;        /* 36px */

  /* Spacing */
  --spacing-xs: 0.25rem;           /* 4px */
  --spacing-sm: 0.5rem;            /* 8px */
  --spacing-md: 1rem;              /* 16px */
  --spacing-lg: 1.5rem;            /* 24px */
  --spacing-xl: 2rem;              /* 32px */
  --spacing-2xl: 3rem;             /* 48px */
  --spacing-3xl: 4rem;             /* 64px */

  /* Border Radius */
  --radius-sm: 0.25rem;            /* 4px */
  --radius-md: 0.5rem;             /* 8px */
  --radius-lg: 0.75rem;            /* 12px */
  --radius-xl: 1rem;               /* 16px */
  --radius-full: 9999px;           /* Pill shape */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max: 1200px;
  --header-height: 56px;

  /* Alias variables (for static-page.css compatibility) */
  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-dark);
  --bg: var(--color-gray-50);
  --card-bg: var(--color-white);
  --text: var(--color-gray-800);
  --text-light: var(--color-gray-600);
  --text-muted: var(--color-gray-500);
  --border: var(--color-gray-200);
}


/* -------------------------------------------
   CSS RESET
   - ลบ default styles ของ browser
   - ให้เริ่มต้นจาก 0 เหมือนกันทุก browser
   ------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;         /* Smooth scrolling for anchor links */
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-600);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}


/* -------------------------------------------
   UTILITY CLASSES
   - Container, buttons, badges
   - ใช้ซ้ำได้ทั่วทั้งเว็บ
   ------------------------------------------- */

/* Container - จำกัดความกว้างและ center content */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-gray-700);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
  border-color: var(--color-gray-900);
  color: var(--color-gray-900);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

/* Icon Buttons */
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.badge-hot {
  background-color: var(--color-error);
  color: var(--color-white);
}

.badge-new {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.badge-sale {
  background-color: var(--color-success);
  color: var(--color-white);
}


/* -------------------------------------------
   HEADER / NAVIGATION
   - Static position (ไม่บังเนื้อหา)
   - Flex layout: logo | nav | actions
   ------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-gray-800);
}

/* Navigation - Absolutely centered */
.nav-main {
  display: none;                   /* ซ่อนบน mobile */
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-list {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Wallet Balance Link */
.wallet-balance-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.75rem;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  color: var(--color-gray-800);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-gray-200);
}

.wallet-balance-link:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
}

.wallet-amount {
  font-family: var(--font-mono, monospace);
}

/* Cart Button with Count Badge */
.cart-btn {
  position: relative;
}

.cart-count {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cart Dropdown */
.cart-btn-wrapper {
  position: relative;
}

.cart-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-height: 400px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.cart-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cart-dropdown-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
}

.cart-dropdown-items {
  flex: 1;
  overflow-y: auto;
  max-height: 250px;
}

.cart-dropdown-item {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.cart-dropdown-item:last-child {
  border-bottom: none;
}

.cart-dropdown-item-image {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: linear-gradient(135deg, #282828 0%, #0f0f0f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  overflow: hidden;
  flex-shrink: 0;
}

.cart-dropdown-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-dropdown-item-info {
  min-width: 0;
}

.cart-dropdown-item-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.cart-dropdown-item-price {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}

.cart-dropdown-item-qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-dropdown-qty-btn {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text);
  transition: all 0.15s ease;
}

.cart-dropdown-qty-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cart-dropdown-qty-btn.remove {
  color: var(--color-error);
  border-color: var(--color-error);
}

.cart-dropdown-qty-btn.remove:hover {
  background: var(--color-error);
  color: white;
}

.cart-dropdown-qty-value {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.cart-dropdown-qty-input {
  width: 40px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  -moz-appearance: textfield;
}

.cart-dropdown-qty-input::-webkit-outer-spin-button,
.cart-dropdown-qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.cart-dropdown-qty-input:focus {
  outline: none;
  border-color: var(--primary);
}

.cart-dropdown-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.cart-dropdown-total {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.cart-dropdown-total .amount {
  color: var(--primary);
}

.cart-dropdown-actions {
  display: flex;
  gap: 0.5rem;
}

.cart-dropdown-actions .btn {
  flex: 1;
  padding: 0.6rem;
  font-size: 0.85rem;
  text-align: center;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.cart-dropdown-actions .btn-outline {
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
}

.cart-dropdown-actions .btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cart-dropdown-actions .btn-primary {
  background: var(--primary);
  color: white;
  border: none;
}

.cart-dropdown-actions .btn-primary:hover {
  background: var(--primary-dark);
}

.cart-dropdown-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-muted);
}

.cart-dropdown-empty-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 480px) {
  .cart-dropdown {
    width: 280px;
    right: -50px;
  }
}

/* User Menu (Logged in state) */
.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-gray-800);
}

.user-menu-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
}

.user-avatar {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  object-fit: cover;
}

img.user-avatar {
  background: var(--color-gray-200);
}

.user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .user-name {
    display: none;
  }
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-sm);
  min-width: 200px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown .dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  background: transparent;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.user-dropdown .dropdown-item:first-child {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.user-dropdown .dropdown-item:hover {
  background: var(--color-gray-50);
}

.user-dropdown .dropdown-item svg {
  color: var(--color-gray-500);
}

.user-dropdown .dropdown-divider {
  height: 1px;
  background: var(--color-gray-200);
  margin: var(--spacing-xs) 0;
}

.user-dropdown .logout-btn {
  color: var(--color-error);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.user-dropdown .logout-btn:hover {
  background: #fef2f2;
}

.user-dropdown .logout-btn svg {
  color: var(--color-error);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 10px;
}

.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-600);
  transition: all var(--transition-fast);
}


/* -------------------------------------------
   HERO SECTION
   - Full-width banner
   - Two columns: content + image
   ------------------------------------------- */
.hero {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.hero .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.hero-content {
  flex: 1;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  display: none;                   /* ซ่อนบน mobile */
}

.hero-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-gray-100) 100%);
  border-radius: var(--radius-xl);
}


/* -------------------------------------------
   FEATURES SECTION
   - 4 columns grid
   - Icon + title + description
   ------------------------------------------- */
.features {
  padding: var(--spacing-lg) 0 var(--spacing-sm) 0;
  background-color: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);  /* 2 columns บน mobile */
  gap: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--color-gray-100);
  color: var(--color-gray-800);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}


/* -------------------------------------------
   SECTION COMMON STYLES
   - Section header with title + link
   ------------------------------------------- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-800);
}

.section-link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.section-link:hover {
  text-decoration: underline;
}


/* -------------------------------------------
   CATEGORIES SECTION
   - Grid of category cards
   ------------------------------------------- */
.categories {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-gray-50);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.category-card {
  display: block;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.category-image {
  aspect-ratio: 16/10;
  background-color: var(--color-gray-100);
  overflow: hidden;
}

.category-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-gray-400);
}

.category-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-800);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
}

.category-count {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  padding: 0 var(--spacing-md) var(--spacing-md);
}

/* Skeleton loading */
.category-card.skeleton {
  pointer-events: none;
}

.category-card.skeleton .category-image,
.category-card.skeleton .category-name,
.category-card.skeleton .category-count,
.category-card.skeleton::before {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.category-card.skeleton {
  min-height: 180px;
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}


/* -------------------------------------------
   PRODUCTS SECTION
   - Product cards grid
   ------------------------------------------- */
.featured-products {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

/* Products Carousel */
.products-carousel-wrapper {
  position: relative;
}

.products-carousel {
  overflow: hidden;
}

.products-carousel .products-grid {
  display: flex;
  gap: var(--spacing-md);
  transition: transform 0.5s ease;
}

.products-carousel .products-grid.sliding {
  display: flex;
}

.products-carousel .product-card {
  flex: 0 0 calc(50% - var(--spacing-md) / 2);
  min-width: calc(50% - var(--spacing-md) / 2);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.carousel-btn:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-lg);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
  color: var(--color-gray-700);
}

.carousel-btn-prev {
  left: -22px;
}

.carousel-btn-next {
  right: -22px;
}

@media (max-width: 767px) {
  .carousel-btn {
    width: 36px;
    height: 36px;
  }

  .carousel-btn-prev {
    left: -8px;
  }

  .carousel-btn-next {
    right: -8px;
  }

  .carousel-btn svg {
    width: 16px;
    height: 16px;
  }
}

@media (min-width: 768px) {
  .products-carousel .product-card {
    flex: 0 0 calc(25% - var(--spacing-md) * 3 / 4);
    min-width: calc(25% - var(--spacing-md) * 3 / 4);
  }
}

/* Product Card */
.product-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.product-card:hover {
  border-color: var(--color-gray-400);
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  background-color: var(--color-gray-100);
  overflow: hidden;
  cursor: pointer;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-image:hover img {
  transform: scale(1.05);
}

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.3s ease;
  pointer-events: none;
}

.product-image:hover::after {
  background: rgba(0, 0, 0, 0.1);
}

.product-image .badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
}

.product-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-400);
}

.product-info {
  padding: var(--spacing-md);
}

.product-category {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.product-name {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-gray-800);
  margin: var(--spacing-xs) 0;
  /* Limit to 2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.stars {
  color: var(--color-gray-800);
}

.rating-count {
  color: var(--color-gray-400);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.price-current {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-800);
}

.price-current.on-sale {
  color: var(--color-error);
}

.price-original {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  text-decoration: line-through;
}

.btn-add-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-add-cart:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}


/* -------------------------------------------
   TESTIMONIALS SECTION
   - Customer reviews
   ------------------------------------------- */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.testimonial-content p {
  font-size: var(--font-size-base);
  font-style: italic;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-lg);
}

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

.author-name {
  font-weight: 600;
  color: var(--color-gray-800);
}

.author-rating {
  color: var(--color-warning);
  font-size: var(--font-size-sm);
}


/* -------------------------------------------
   FOOTER
   - 4 columns grid
   - Links + contact info
   ------------------------------------------- */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.footer-about {
  font-size: var(--font-size-xs);
  line-height: 1.6;
}

.footer-links li,
.footer-contact li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  font-size: var(--font-size-xs);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact li {
  font-size: var(--font-size-xs);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--spacing-sm);
  text-align: center;
  font-size: var(--font-size-xs);
}

/* Compact Horizontal Footer */
.footer.footer-compact {
  padding: var(--spacing-md) 0;
}

.footer-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-brand {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer-nav a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

@media (max-width: 640px) {
  .footer-inline {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .footer-nav {
    gap: var(--spacing-md);
  }
}


/* -------------------------------------------
   RESPONSIVE STYLES
   - Mobile First approach
   - Breakpoints: sm(640px), md(768px), lg(1024px), xl(1280px)
   ------------------------------------------- */

/* Tablet and up (768px) */
@media (min-width: 768px) {

  /* Show main navigation */
  .nav-main {
    display: block;
  }

  /* Hide mobile menu toggle */
  .mobile-menu-toggle {
    display: none;
  }

  /* Hero - Show image */
  .hero-image {
    display: block;
  }

  /* Features - 4 columns */
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Categories - 4 columns */
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Products - 4 columns */
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Testimonials - 3 columns */
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Desktop (1024px) */
@media (min-width: 1024px) {

  .hero-title {
    font-size: 3rem;
  }

  .container {
    padding: 0 var(--spacing-xl);
  }
}


/* -------------------------------------------
   ANNOUNCEMENT BAR
   - แถบประกาศด้านบนสุด
   - สีดึงดูดความสนใจ (gradient)
   ------------------------------------------- */
.announcement-bar {
  background: linear-gradient(90deg, #ff0000 0%, #cc0000 50%, #ff0000 100%);
  background-size: 200% 100%;
  animation: gradientSlide 3s ease infinite;
  color: var(--color-white);
  padding: var(--spacing-xs) 0;
}

@keyframes gradientSlide {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.announcement-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.announcement-text {
  font-size: var(--font-size-sm);
  text-align: center;
  margin: 0;
}

.announcement-text .code {
  background-color: rgba(255,255,255,0.2);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-weight: 700;
}

.announcement-link {
  color: var(--color-white);
  font-weight: 600;
  text-decoration: underline;
  margin-left: var(--spacing-sm);
}

.announcement-link:hover {
  opacity: 0.9;
}

/* Hero ไม่ต้อง padding-top พิเศษแล้ว เพราะ header ไม่ fixed */
.hero {
  padding-top: var(--spacing-3xl);
}


/* -------------------------------------------
   LOGO ICON
   - รูปโลโก้ข้าง logo text
   ------------------------------------------- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon img,
.logo-icon svg {
  display: block;
}


/* -------------------------------------------
   EVENT SECTION
   - โปรโมชั่นพิเศษ / Seasonal Events
   - ซ่อนได้ด้วย class .event-hidden
   ------------------------------------------- */
.event-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-white);
}

/* ซ่อน event section */
.event-section.event-hidden,
.event-section[data-active="false"] {
  display: none;
}

.event-banner {
  position: relative;
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  overflow: hidden;
  color: var(--color-white);
  text-align: center;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Background Image Mode */
.event-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.event-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Event placeholder - ใช้สีเดียวกับ .image-placeholder แต่เต็มพื้นที่ */
.event-bg-image .event-placeholder {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border-radius: 0 !important;
}

/* Background Animated Mode */
.event-bg-animated {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 50%, #ff6b35 100%);
}

.event-bg-animated .animated-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.event-bg-animated .floating-items {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.event-bg-animated .float-item {
  position: absolute;
  font-size: 2.5rem;
  animation: eventFloat 4s ease-in-out infinite;
  opacity: 0.8;
}

.event-bg-animated .float-item:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.event-bg-animated .float-item:nth-child(2) { top: 15%; right: 8%; animation-delay: 0.5s; }
.event-bg-animated .float-item:nth-child(3) { bottom: 20%; left: 10%; animation-delay: 1s; }
.event-bg-animated .float-item:nth-child(4) { bottom: 15%; right: 15%; animation-delay: 1.5s; }
.event-bg-animated .float-item:nth-child(5) { top: 50%; left: 3%; animation-delay: 2s; }

@keyframes eventFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-15px) rotate(10deg) scale(1.1); }
}

.event-content {
  position: relative;
  z-index: 1;
}

.event-badge {
  display: inline-block;
  background-color: rgba(255,255,255,0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.event-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.event-description {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Countdown Timer */
.event-countdown {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.countdown-item {
  background-color: rgba(0,0,0,0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 70px;
}

.countdown-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
}

.countdown-label {
  display: block;
  font-size: var(--font-size-xs);
  opacity: 0.8;
  margin-top: var(--spacing-xs);
}

/* Event Button */
.btn-event {
  background-color: var(--color-white);
  color: #ff6b35;
  font-weight: 700;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.btn-event:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

/* Event with image - add overlay for text readability */
.event-section[data-mode="image"] .event-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.3) 100%);
  z-index: 0;
  pointer-events: none;
}


/* -------------------------------------------
   ADS SIDEBAR BANNERS
   - Fixed position on left & right sides
   - Only visible on large screens (>1400px)
   ------------------------------------------- */
.ads-sidebar {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.ads-left {
  left: 20px;
}

.ads-right {
  right: 20px;
}

.ads-banner {
  width: 160px;
  height: 600px;
}

.ads-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all 0.3s ease;
}

.ads-placeholder:hover {
  border-color: var(--color-gray-400);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

.ads-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-gray-400);
  background: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}

.ads-size {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
}

.ads-close {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  width: 100%;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ads-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}

.ads-close svg {
  flex-shrink: 0;
}

/* Show ads only on very large screens where there's enough space */
@media (min-width: 1400px) {
  .ads-sidebar {
    display: block;
  }
}

/* Adjust for extra large screens */
@media (min-width: 1600px) {
  .ads-left {
    left: 40px;
  }
  .ads-right {
    right: 40px;
  }
}


/* -------------------------------------------
   CHAT BUBBLE
   - ปุ่มแชทติด fixed ขวาล่าง
   ------------------------------------------- */
.chat-bubble {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 1000;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

/* Toggle icon visibility */
.chat-icon-close {
  display: none;
}

.chat-bubble.active .chat-icon-open {
  display: none;
}

.chat-bubble.active .chat-icon-close {
  display: block;
}

/* Chat Menu */
.chat-menu {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 280px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: all var(--transition-normal);
}

.chat-bubble.active .chat-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chat-menu-header {
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  color: var(--color-white);
  padding: var(--spacing-lg);
}

.chat-menu-header h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.chat-menu-header p {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin: 0;
}

.chat-menu-options {
  padding: var(--spacing-sm);
}

.chat-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.chat-option:hover {
  background-color: var(--color-gray-50);
}

.chat-option-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-md);
}

.chat-option-text {
  display: flex;
  flex-direction: column;
}

.chat-option-text strong {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
}

.chat-option-text small {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}


/* -------------------------------------------
   RESPONSIVE - New Components
   ------------------------------------------- */
@media (max-width: 767px) {
  /* Announcement bar - smaller on mobile */
  .announcement-bar {
    padding: var(--spacing-xs) 0;
  }

  .announcement-text {
    font-size: var(--font-size-xs);
  }

  .announcement-close {
    right: var(--spacing-sm);
  }

  /* Event section - smaller countdown */
  .event-title {
    font-size: var(--font-size-2xl);
  }

  .event-countdown {
    gap: var(--spacing-sm);
  }

  .countdown-item {
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 55px;
  }

  .countdown-value {
    font-size: var(--font-size-lg);
  }

  .decoration-item {
    font-size: 2rem;
  }

  /* Chat bubble - smaller on mobile */
  .chat-bubble {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }

  .chat-toggle {
    width: 50px;
    height: 50px;
  }

  .chat-menu {
    width: 260px;
    right: -10px;
  }
}

/* ===========================================
   IMAGE PLACEHOLDER STYLES
   - ใช้แทนรูปจริงตอน development
   - แสดงขนาดรูปที่แนะนำ
   =========================================== */

.image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  color: var(--color-gray-500);
  text-align: center;
  padding: var(--spacing-lg);
}

.image-placeholder svg {
  opacity: 0.5;
}

.image-placeholder .placeholder-size {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-600);
}

.image-placeholder .placeholder-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* Hero Placeholder */
.hero-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
}

/* Product Image Placeholder */
.product-placeholder {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
}

/* Category Image Placeholder */
.category-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
}

/* Banner Placeholder */
.banner-placeholder {
  width: 100%;
  aspect-ratio: 3/1;
  border-radius: var(--radius-lg);
}

/* Thumbnail Placeholder */
.thumbnail-placeholder {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-placeholder {
    max-width: 280px;
  }

  .image-placeholder .placeholder-size {
    font-size: var(--font-size-base);
  }
}