/* Base Styles */
:root {
    --primary-color: #e91e63;
    --primary-dark: #c2185b;
    --primary-light: #f8bbd0;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --text-light: #666;
    --text-muted: #888;
    --background-color: #fff;
    --card-background: #fff;
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --info-color: #2196f3;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  .dark-theme {
    --primary-color: #f06292;
    --primary-dark: #ec407a;
    --primary-light: #fce4ec;
    --secondary-color: #333;
    --text-color: #f5f5f5;
    --text-light: #bbb;
    --text-muted: #999;
    --background-color: #121212;
    --card-background: #1e1e1e;
    --border-color: #333;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
  }
  
  a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  
  a:hover {
    color: var(--primary-dark);
  }
  
  ul {
    list-style: none;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.3;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  h4 {
    font-size: 1.25rem;
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background-color: var(--primary-color);
    color: white;
    transition: all var(--transition-fast);
  }
  
  .btn:hover {
    background-color: var(--primary-dark);
    color: white;
  }
  
  .btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
  }
  
  .btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
  }
  
  .btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
  }
  
  .btn-full {
    width: 100%;
  }
  
  .btn i {
    margin-right: 0.5rem;
  }
  
  .btn i:last-child:not(:first-child) {
    margin-right: 0;
    margin-left: 0.5rem;
  }
  
  /* Forms */
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }
  
  .form-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
  }
  
  .form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  
  input, select, textarea {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
  }
  
  input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
  }
  
  .input-icon {
    position: relative;
  }
  
  .input-icon input {
    padding-right: 2.5rem;
  }
  
  .input-icon i {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    color: var(--text-muted);
  }
  
  /* Header */
  .header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--background-color);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
  }
  
  .header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
  }
  
  .logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
  }
  
  .main-nav {
    display: none;
  }
  
  .main-nav ul {
    display: flex;
    gap: 1.5rem;
  }
  
  .main-nav a {
    color: var(--text-color);
    font-weight: 500;
  }
  
  .main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
  }
  
  .header-search {
    display: none;
    margin: 0 1rem;
  }
  
  .search-container {
    position: relative;
    width: 250px;
  }
  
  .search-container input {
    padding-right: 2.5rem;
  }
  
  .search-container i {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    color: var(--text-muted);
  }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  .header-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-color);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
  }
  
  .header-icon:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
  }
  
  .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    background-color: var(--primary-color);
    border-radius: 50%;
  }
  
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
  }
  
  .mobile-menu {
    display: none;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
  }
  
  .mobile-menu.active {
    display: block;
  }
  
  .mobile-search {
    position: relative;
    margin-bottom: 1rem;
  }
  
  .mobile-search input {
    padding-right: 2.5rem;
  }
  
  .mobile-search i {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    color: var(--text-muted);
  }
  
  .mobile-nav {
    margin-bottom: 1rem;
  }
  
  .mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .mobile-nav a {
    display: block;
    color: var(--text-color);
    font-weight: 500;
  }
  
  .mobile-nav a:hover, .mobile-nav a.active {
    color: var(--primary-color);
  }
  
  .mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
  
  .mobile-action-item {
    display: flex;
    align-items: center;
    color: var(--text-color);
  }
  
  .mobile-action-item i {
    margin-right: 0.75rem;
  }
  
  .theme-toggle, .theme-toggle-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
  }
  
  .theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
  }
  
  .theme-toggle:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
  }
  
  .theme-toggle-mobile {
    width: 100%;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    background-color: var(--secondary-color);
  }
  
  .theme-toggle-mobile i {
    margin-right: 0.75rem;
  }
  
  /* Hero Banner */
  .hero-banner {
    position: relative;
    margin: 2rem 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  
  .hero-slider {
    position: relative;
    height: 400px;
  }
  
  .hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
  }
  
  .hero-slide.active {
    opacity: 1;
    z-index: 1;
  }
  
  .hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .hero-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 1;
  }
  
  .hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
    width: 80%;
    max-width: 600px;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  
  .hero-content p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-prev, .hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast);
  }
  
  .hero-prev:hover, .hero-next:hover {
    background-color: rgba(0, 0, 0, 0.5);
  }
  
  .hero-prev {
    left: 20px;
  }
  
  .hero-next {
    right: 20px;
  }
  
  .hero-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
  }
  
  .hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color var(--transition-fast);
  }
  
  .hero-dot.active {
    background-color: white;
  }
  
  /* Categories */
  .section-header {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .section-header p {
    color: var(--text-muted);
  }
  
  .category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .category-item {
    display: block;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-normal);
  }
  
  .category-item:hover {
    transform: scale(1.05);
  }
  
  .category-image {
    position: relative;
    aspect-ratio: 1 / 1;
  }
  
  .category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 1rem;
  }
  
  .category-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
  }
  
  .category-overlay p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0;
  }
  
  /* Products */
  .product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .product-card {
    position: relative;
    background-color: var(--card-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  }
  
  .product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
  
  .product-image {
    position: relative;
    aspect-ratio: 1 / 1;
  }
  
  .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
  }
  
  .product-card:hover .product-image img {
    transform: scale(1.05);
  }
  
  .product-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2;
  }
  
  .product-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast);
  }
  
  .product-action-btn:hover {
    background-color: white;
  }
  
  .product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    background-color: var(--primary-color);
    border-radius: var(--radius-sm);
    z-index: 2;
  }
  
  .product-out-of-stock {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2;
  }
  
  .product-out-of-stock span {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    background-color: black;
  }
  
  .product-add-to-cart {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: 80%;
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: 2;
  }
  
  .product-card:hover .product-add-to-cart {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  
  .product-info {
    padding: 1rem;
  }
  
  .product-name {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
  }
  
  .product-card:hover .product-name {
    color: var(--primary-color);
  }
  
  .product-rating {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
  }
  
  .product-rating i {
    color: var(--primary-color);
    margin-right: 0.25rem;
  }
  
  .product-rating-value {
    font-weight: 600;
    margin-right: 0.5rem;
  }
  
  .product-reviews {
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .product-price {
    font-size: 1.125rem;
    font-weight: 600;
  }
  
  /* Newsletter */
  .newsletter {
    margin: 4rem 0;
    padding: 3rem 0;
    text-align: center;
    background-color: var(--secondary-color);
    border-radius: var(--radius-lg);
  }
  
  .newsletter h2 {
    margin-bottom: 0.5rem;
  }
  
  .newsletter p {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    color: var(--text-muted);
  }
  
  .newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
  }
  
  /* Footer */
  .footer {
    background-color: var(--secondary-color);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
  }
  
  .footer-column h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  
  .footer-column p {
    color: var(--text-muted);
    margin-bottom: 1rem;
  }
  
  .footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-column a {
    color: var(--text-color);
    transition: color var(--transition-fast);
  }
  
  .footer-column a:hover {
    color: var(--primary-color);
  }
  
  .social-icons {
    display: flex;
    gap: 1rem;
  }
  
  .social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-color);
    background-color: var(--background-color);
    border-radius: 50%;
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }
  
  .social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
  }
  
  /* Modal */
  .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    overflow-y: auto;
  }
  
  .modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-fast);
  }
  
  .modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: auto;
    animation: slideUp var(--transition-fast);
  }
  
  .modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    z-index: 10;
  }
  
  .quick-view-container {
    padding: 2rem;
  }
  
  /* Toast */
  .toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 300px;
    padding: 1rem;
    background-color: var(--card-background);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transform: translateX(calc(100% + 20px));
    transition: transform var(--transition-normal);
    z-index: 2000;
  }
  
  .toast.active {
    transform: translateX(0);
  }
  
  .toast-content {
    display: flex;
    align-items: center;
  }
  
  .toast-icon {
    font-size: 1.5rem;
    color: var(--success-color);
    margin-right: 0.75rem;
  }
  
  .toast-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
  }
  
  .toast-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
  }
  
  .toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
  }
  
  /* Auth Pages */
  .auth-container {
    max-width: 500px;
    margin: 3rem auto;
  }
  
  .auth-tabs {
    display: flex;
    margin-bottom: 1.5rem;
  }
  
  .auth-tab {
    flex: 1;
    padding: 0.75rem;
    text-align: center;
    background: none;
    border: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }
  
  .auth-tab.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .auth-panel {
    display: none;
  }
  
  .auth-panel.active {
    display: block;
    animation: fadeIn var(--transition-fast);
  }
  
  .auth-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }
  
  .auth-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .auth-card-header h2 {
    margin-bottom: 0.5rem;
  }
  
  .auth-card-header p {
    color: var(--text-muted);
    margin-bottom: 0;
  }
  
  .auth-form {
    padding: 1.5rem;
  }
  
  .forgot-password {
    font-size: 0.875rem;
  }
  
  /* Product Detail */
  .breadcrumb {
    display: flex;
    align-items: center;
    margin: 1rem 0;
    font-size: 0.875rem;
  }
  
  .breadcrumb a {
    color: var(--text-muted);
  }
  
  .breadcrumb span {
    margin: 0 0.5rem;
    color: var(--text-muted);
  }
  
  .product-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
  }
  
  .product-gallery {
    position: relative;
  }
  
  .product-main-image {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
  }
  
  .product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .product-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
  }
  
  .product-thumbnail {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
  }
  
  .product-thumbnail.active {
    border-color: var(--primary-color);
  }
  
  .product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .product-info-detail h1 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
  }
  
  .product-info-rating {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
  }
  
  .product-info-rating i {
    color: var(--primary-color);
    margin-right: 0.25rem;
  }
  
  .product-info-rating-value {
    font-weight: 600;
    margin-right: 0.5rem;
  }
  
  .product-info-reviews {
    color: var(--text-muted);
  }
  
  .product-info-price {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
  }
  
  .product-info-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
  }
  
  .product-info-meta {
    margin-bottom: 1.5rem;
  }
  
  .product-info-meta-item {
    display: flex;
    margin-bottom: 0.5rem;
  }
  
  .product-info-meta-label {
    width: 100px;
    font-weight: 500;
  }
  
  .product-info-availability {
    color: var(--success-color);
  }
  
  .product-info-availability.out-of-stock {
    color: var(--error-color);
  }
  
  .product-quantity {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .quantity-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-right: 1rem;
  }
  
  .quantity-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
  }
  
  .quantity-value {
    width: 40px;
    text-align: center;
  }
  
  .product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .product-shipping-info {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    background-color: var(--secondary-color);
    border-radius: var(--radius-md);
  }
  
  .product-shipping-info i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    margin-top: 0.25rem;
  }
  
  .product-shipping-info p {
    font-size: 0.875rem;
    margin-bottom: 0;
  }
  
  .product-tabs {
    margin-bottom: 3rem;
  }
  
  .tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
  }
  
  .tab-btn {
    padding: 0.75rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }
  
  .tab-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .tab-panel {
    display: none;
  }
  
  .tab-panel.active {
    display: block;
    animation: fadeIn var(--transition-fast);
  }
  
  .product-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .product-details-section h3 {
    margin-bottom: 1rem;
  }
  
  .product-details-section p {
    color: var(--text-muted);
  }
  
  .product-features {
    list-style: none;
  }
  
  .product-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .product-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
  }
  
  .product-care h4 {
    margin-bottom: 0.75rem;
  }
  
  .product-reviews-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
  }
  
  .product-reviews-summary {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .product-reviews-rating {
    display: flex;
    align-items: center;
    margin-right: 1rem;
  }
  
  .product-reviews-rating i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 0.5rem;
  }
  
  .product-reviews-rating-value {
    font-size: 1.5rem;
    font-weight: 600;
  }
  
  .product-reviews-count {
    color: var(--text-muted);
  }
  
  .review-item {
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
  }
  
  .review-rating {
    display: flex;
    align-items: center;
  }
  
  .review-rating i {
    color: var(--primary-color);
    margin-right: 0.25rem;
  }
  
  .review-author {
    font-weight: 500;
    margin-left: 0.75rem;
  }
  
  .review-date {
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .review-content {
    color: var(--text-muted);
  }
  
  .related-products h2 {
    margin-bottom: 1.5rem;
  }
  
  /* Cart */
  .cart-container {
    margin: 2rem 0;
  }
  
  .cart-empty {
    text-align: center;
    padding: 3rem 0;
  }
  
  .cart-empty i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
  }
  
  .cart-empty h2 {
    margin-bottom: 0.75rem;
  }
  
  .cart-empty p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .cart-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .cart-items {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }
  
  .cart-header {
    display: none;
    grid-template-columns: 6fr 2fr 2fr 2fr;
    padding: 1rem 1.5rem;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
  }
  
  .cart-item {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .cart-item-main {
    display: flex;
  }
  
  .cart-item-image {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
  }
  
  .cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .cart-item-details {
    flex: 1;
    padding-left: 1rem;
  }
  
  .cart-item-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
  }
  
  .cart-item-meta {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
  }
  
  .cart-item-price {
    margin-right: 0.5rem;
  }
  
  .cart-item-quantity {
    display: flex;
    align-items: center;
    margin-top: 0.75rem;
  }
  
  .cart-item-remove {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
  }
  
  .cart-item-remove:hover {
    color: var(--error-color);
  }
  
  .cart-item-total {
    display: none;
    text-align: right;
    font-weight: 500;
  }
  
  .cart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--secondary-color);
  }
  
  .cart-continue-shopping {
    display: flex;
    align-items: center;
    color: var(--primary-color);
  }
  
  .cart-continue-shopping i {
    margin-right: 0.5rem;
  }
  
  .cart-summary {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
  }
  
  .cart-summary h2 {
    margin-bottom: 1.5rem;
  }
  
  .cart-totals {
    margin-bottom: 1.5rem;
  }
  
  .cart-total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
  }
  
  .cart-total-row.total {
    font-size: 1.25rem;
    font-weight: 600;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
  }
  
  .cart-total-label {
    color: var(--text-muted);
  }
  
  .cart-discount {
    color: var(--success-color);
  }
  
  .cart-coupon {
    margin-bottom: 1.5rem;
  }
  
  .cart-coupon-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
  }
  
  /* Checkout */
  .checkout-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 2rem 0;
  }
  
  .checkout-section {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .checkout-section h2 {
    margin-bottom: 1.5rem;
  }
  
  .payment-tabs {
    display: flex;
    margin-bottom: 1.5rem;
  }
  
  .payment-tab {
    flex: 1;
    padding: 0.75rem;
    text-align: center;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }
  
  .payment-tab:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  }
  
  .payment-tab:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  
  .payment-tab.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
  }
  
  .payment-panel {
    display: none;
  }
  
  .payment-panel.active {
    display: block;
    animation: fadeIn var(--transition-fast);
  }
  
  .payment-info {
    text-align: center;
    padding: 2rem 0;
  }
  
  .payment-info p {
    margin-bottom: 1.5rem;
  }
  
  .shipping-options {
    margin-bottom: 1rem;
  }
  
  .shipping-option {
    margin-bottom: 1rem;
  }
  
  .shipping-option input[type="radio"] {
    display: none;
  }
  
  .shipping-option label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast);
  }
  
  .shipping-option input[type="radio"]:checked + label {
    border-color: var(--primary-color);
  }
  
  .shipping-option-title {
    font-weight: 500;
  }
  
  .shipping-option-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .shipping-option-price {
    font-weight: 500;
  }
  
  .checkout-sidebar {
    position: sticky;
    top: 100px;
  }
  
  .order-summary {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
  }
  
  .order-summary h2 {
    margin-bottom: 1.5rem;
  }
  
  .order-items {
    margin-bottom: 1.5rem;
  }
  
  .order-item {
    display: flex;
    margin-bottom: 1rem;
  }
  
  .order-item-image {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
  }
  
  .order-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .order-item-details {
    flex: 1;
    padding-left: 1rem;
  }
  
  .order-item-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
  }
  
  .order-item-quantity {
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .order-item-price {
    font-size: 0.875rem;
    margin-top: 0.25rem;
  }
  
  .secure-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .secure-checkout i {
    margin-right: 0.5rem;
  }
  
  /* Order Confirmation */
  .order-confirmation {
    max-width: 600px;
    margin: 3rem auto;
  }
  
  .confirmation-header {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .confirmation-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background-color: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-color);
    border-radius: 50%;
  }
  
  .confirmation-icon i {
    font-size: 1.5rem;
  }
  
  .confirmation-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
  }
  
  .confirmation-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .confirmation-card-header h2 {
    margin-bottom: 0.5rem;
  }
  
  .confirmation-card-header p {
    color: var(--text-muted);
    margin-bottom: 0;
  }
  
  .confirmation-card-content {
    padding: 1.5rem;
  }
  
  .order-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .order-info-item {
    flex: 1;
    min-width: 120px;
  }
  
  .order-info-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
  }
  
  .delivery-info {
    margin-bottom: 1.5rem;
  }
  
  .delivery-date {
    display: flex;
    align-items: center;
  }
  
  .delivery-date i {
    color: var(--primary-color);
    margin-right: 0.75rem;
  }
  
  .track-order-box {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: var(--radius-md);
  }
  
  .track-order-label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
  }
  
  .confirmation-actions {
    text-align: center;
  }
  
  /* Track Order */
  .track-order-container {
    max-width: 600px;
    margin: 2rem auto;
  }
  
  .track-order-form-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
  }
  
  .track-order-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .track-order-card-header h2 {
    margin-bottom: 0.5rem;
  }
  
  .track-order-card-header p {
    color: var(--text-muted);
    margin-bottom: 0;
  }
  
  .track-order-form {
    padding: 1.5rem;
  }
  
  .tracking-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }
  
  .tracking-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .tracking-card-header h2 {
    margin-bottom: 0.5rem;
  }
  
  .tracking-card-header p {
    color: var(--text-muted);
    margin-bottom: 0;
  }
  
  .tracking-card-content {
    padding: 1.5rem;
  }
  
  .tracking-timeline {
    position: relative;
    margin-bottom: 2rem;
  }
  
  .tracking-timeline-line {
    position: absolute;
    top: 0;
    left: 16px;
    width: 3px;
    height: 100%;
    background-color: var(--border-color);
    z-index: 1;
  }
  
  .tracking-timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--primary-color);
    transition: height var(--transition-slow);
  }
  
  .tracking-steps {
    position: relative;
    z-index: 2;
  }
  
  .tracking-step {
    display: flex;
    margin-bottom: 2rem;
  }
  
  .tracking-step:last-child {
    margin-bottom: 0;
  }
  
  .tracking-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--border-color);
    color: white;
    border-radius: 50%;
    margin-right: 1rem;
    transition: background-color var(--transition-fast);
  }
  
  .tracking-step.active .tracking-step-icon {
    background-color: var(--primary-color);
  }
  
  .tracking-step-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
    transition: color var(--transition-fast);
  }
  
  .tracking-step:not(.active) .tracking-step-title {
    color: var(--text-muted);
  }
  
  .tracking-step-date {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
  }
  
  .tracking-step-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
  }
  
  .tracking-actions {
    text-align: center;
    margin-top: 2rem;
  }
  
  /* Category Page */
  .category-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
  }
  
  .category-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .sort-dropdown {
    position: relative;
  }
  
  .sort-dropdown select {
    width: 100%;
    appearance: none;
    padding-right: 2rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
  }
  
  .filter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
  }
  
  .filter-btn i {
    margin-right: 0.5rem;
  }
  
  .category-container {
    position: relative;
  }
  
  .filter-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100%;
    background-color: var(--card-background);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow-y: auto;
    transition: left var(--transition-normal);
  }
  
  .filter-sidebar.active {
    left: 0;
  }
  
  .filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .filter-header h3 {
    margin-bottom: 0;
  }
  
  .filter-close {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
  }
  
  .filter-content {
    padding: 1rem;
  }
  
  .filter-section {
    margin-bottom: 1.5rem;
  }
  
  .filter-section h4 {
    margin-bottom: 1rem;
  }
  
  .price-slider-container {
    padding: 0 0.5rem;
  }
  
  .price-range {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.875rem;
  }
  
  .filter-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .filter-option {
    display: flex;
    align-items: center;
  }
  
  .filter-option input[type="checkbox"] {
    margin-right: 0.5rem;
  }
  
  .filter-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }
  
  .filter-overlay.active {
    display: block;
  }
  
  .no-products {
    text-align: center;
    padding: 3rem 0;
  }
  
  .no-products h2 {
    margin-bottom: 0.75rem;
  }
  
  .no-products p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Animations */
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  @keyframes slideUp {
    from {
      transform: translateY(20px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  /* Media Queries */
  @media (min-width: 576px) {
    .product-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }
    
    .newsletter-form {
      flex-direction: row;
    }
    
    .category-actions {
      flex-direction: row;
      justify-content: flex-end;
    }
    
    .sort-dropdown {
      width: 200px;
    }
    
    .filter-btn {
      width: auto;
    }
  }
  
  @media (min-width: 768px) {
    .main-nav {
      display: block;
    }
    
    .header-search {
      display: block;
    }
    
    .mobile-menu-toggle {
      display: none;
    }
    
    .hero-slider {
      height: 500px;
    }
    
    .hero-content h1 {
      font-size: 3rem;
    }
    
    .category-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .product-detail {
      grid-template-columns: 1fr 1fr;
    }
    
    .product-details-grid {
      grid-template-columns: 1fr 1fr;
    }
    
    .cart-header {
      display: grid;
    }
    
    .cart-item {
      display: grid;
      grid-template-columns: 6fr 2fr 2fr 2fr;
      align-items: center;
      padding: 1rem 1.5rem;
    }
    
    .cart-item-main {
      grid-column: 1;
    }
    
    .cart-item-quantity {
      grid-column: 2;
      margin-top: 0;
    }
    
    .cart-item-total {
      grid-column: 4;
      display: block;
    }
    
    .cart-item-remove {
      grid-column: 3;
      margin-left: 0;
      justify-self: center;
    }
    
    .checkout-container {
      grid-template-columns: 2fr 1fr;
    }
    
    .category-header {
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }
    
    .category-actions {
      margin-top: 0;
    }
    
    .filter-sidebar {
      position: static;
      width: 240px;
      height: auto;
      box-shadow: var(--shadow-sm);
      border-radius: var(--radius-lg);
    }
    
    .category-container {
      display: grid;
      grid-template-columns: 240px 1fr;
      gap: 1.5rem;
    }
  }
  
  @media (min-width: 992px) {
    .product-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .category-grid {
      grid-template-columns: repeat(5, 1fr);
    }
    
    .footer-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    
    .cart-grid {
      grid-template-columns: 2fr 1fr;
    }
  }
  
  @media (min-width: 1200px) {
    .product-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }