/* ============================================
   SHOPHUB E-COMMERCE STYLES
   Flipkart-inspired Design System
   ============================================ */

/* CSS Variables - Flipkart Blue Theme */
:root {
    /* Primary Colors */
    --primary: #2874f0;
    --primary-dark: #1c5ac7;
    --primary-light: #e8f0fe;
    
    /* Secondary Colors */
    --secondary: #fb641b;
    --secondary-dark: #e85a19;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #212121;
    --gray-50: #f5f5f5;
    --gray-100: #f0f0f0;
    --gray-200: #e0e0e0;
    --gray-300: #c2c2c2;
    --gray-400: #9e9e9e;
    --gray-500: #757575;
    --gray-600: #616161;
    --gray-700: #424242;
    --gray-800: #212121;
    
    /* Semantic Colors */
    --success: #388e3c;
    --success-light: #e8f5e9;
    --warning: #ffa000;
    --warning-light: #fff3e0;
    --error: #d32f2f;
    --error-light: #ffebee;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Typography */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--black);
    background-color: var(--gray-50);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

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

/* ============================================
   TOP BANNER
   ============================================ */
.top-banner {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.top-banner a {
    color: var(--white);
    font-weight: 600;
    text-decoration: underline;
}

/* ============================================
   HEADER
   ============================================ */
.main-header {
    background: var(--primary);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--white);
    flex-shrink: 0;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 0.75rem;
    opacity: 0.9;
    font-style: italic;
}

/* Search Container */
.search-container {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-lg);
    padding-right: 50px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    background: var(--white);
    transition: box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

.search-btn {
    position: absolute;
    right: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.search-btn:hover {
    background: var(--primary-light);
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: var(--z-dropdown);
}

.search-suggestions.active {
    display: block;
}

.suggestion-item {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-700);
    transition: background var(--transition-fast);
}

.suggestion-item:hover {
    background: var(--gray-50);
}

.suggestion-item svg {
    color: var(--gray-400);
}

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

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--white);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    position: relative;
}

.action-btn:hover {
    background: rgba(255,255,255,0.1);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--secondary);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    display: none;
    z-index: var(--z-dropdown);
    margin-top: var(--space-xs);
}

.dropdown:hover .dropdown-menu,
.dropdown-menu.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

.dropdown-right {
    right: 0;
    left: auto;
}

.dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--space-xs);
}

.dropdown-header span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.signup-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--gray-700);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

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

.dropdown-item .icon {
    font-size: 1.125rem;
}

.dropdown-arrow {
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* ============================================
   CATEGORY NAVIGATION
   ============================================ */
.category-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
    scrollbar-width: none;
}

.category-nav::-webkit-scrollbar {
    display: none;
}

.category-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    gap: var(--space-xs);
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition-fast);
    position: relative;
}

.category-item:hover {
    color: var(--primary);
}

.category-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: width var(--transition-fast);
}

.category-item:hover::after {
    width: 60%;
}

.category-icon {
    font-size: 1.25rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 400px;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s ease;
    padding: var(--space-2xl);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-content {
    flex: 1;
    color: var(--white);
    z-index: 2;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    opacity: 0.95;
}

.hero-cta {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.hero-cta:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-height: 320px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
    animation: float 3s ease-in-out infinite;
}

.hero-dots {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 2;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.hero-dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 5px;
}

/* ============================================
   SECTIONS
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

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

.section-heading {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.timer {
    background: var(--white);
    color: var(--secondary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.view-all {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.view-all:hover {
    color: var(--primary-dark);
}

/* ============================================
   DEALS GRID
   ============================================ */
.deals-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.deals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-lg);
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--gray-50);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-md);
    transition: transform var(--transition-slow);
}

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

.wishlist-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.product-card:hover .wishlist-btn {
    opacity: 1;
    transform: scale(1);
}

.wishlist-btn:hover {
    background: var(--error-light);
    color: var(--error);
}

.wishlist-btn.active {
    background: var(--error-light);
    color: var(--error);
    opacity: 1;
    transform: scale(1);
}

.discount-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--success);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

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

.product-name {
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.rating-badge {
    background: var(--success);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 2px;
}

.rating-count {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.current-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
}

.original-price {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.discount-text {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 600;
}

.delivery-info {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.add-to-cart-btn {
    width: 100%;
    padding: var(--space-sm);
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

.product-card:hover .add-to-cart-btn {
    opacity: 1;
    transform: translateY(0);
}

.add-to-cart-btn:hover {
    background: var(--primary-dark);
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories-section {
    margin-bottom: var(--space-xl);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.category-card img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-md);
}

.category-card span {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9375rem;
}

/* ============================================
   TRENDING SECTION
   ============================================ */
.trending-section {
    margin-bottom: var(--space-xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-lg);
}

/* ============================================
   OFFERS BANNER
   ============================================ */
.offers-banner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.offer-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.offer-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.offer-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-xs);
}

.offer-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
}

.offer-content a {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.offer-icon {
    font-size: 3rem;
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background: var(--gray-800);
    color: var(--white);
    padding-top: var(--space-3xl);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.footer-section a {
    display: block;
    color: var(--white);
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.footer-section a:hover {
    opacity: 1;
    text-decoration: underline;
}

.contact-section p {
    font-size: 0.875rem;
    line-height: 1.6;
    opacity: 0.9;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding: var(--space-lg) 0;
}

.footer-bottom-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.payment-icons {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--space-lg);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    max-width: 800px;
    width: 100%;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-left {
    flex: 1;
    background: var(--primary);
    color: var(--white);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-left h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.modal-left p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.modal-illustration {
    font-size: 6rem;
    opacity: 0.3;
}

.modal-right {
    flex: 1;
    padding: var(--space-2xl);
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-700);
}

.login-form {
    margin-top: var(--space-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--space-md);
}

.form-group input {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.forgot-link {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.terms-text {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
}

.terms-text a {
    color: var(--primary);
}

.btn-primary {
    width: 100%;
    padding: var(--space-md);
    background: var(--secondary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: background var(--transition-fast);
}

.btn-primary:hover {
    background: var(--secondary-dark);
}

.divider {
    text-align: center;
    margin: var(--space-md) 0;
    color: var(--gray-400);
    font-size: 0.875rem;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--gray-200);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.btn-secondary {
    width: 100%;
    padding: var(--space-md);
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.signup-text {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.signup-text a {
    color: var(--primary);
    font-weight: 600;
}

/* Quick View Modal */
.quick-view-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .quick-view-modal {
    transform: scale(1);
}

.quick-view-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-800);
    color: var(--white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: var(--z-toast);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 24px;
    height: 24px;
    background: var(--success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .search-container {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        margin-top: var(--space-sm);
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-section {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: var(--space-sm) 0;
    }
    
    .logo-main {
        font-size: 1.25rem;
    }
    
    .category-container {
        padding: 0 var(--space-md);
    }
    
    .category-item {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.75rem;
    }
    
    .category-icon {
        font-size: 1rem;
    }
    
    .hero-section {
        height: 300px;
    }
    
    .hero-slide {
        flex-direction: column;
        text-align: center;
        padding: var(--space-lg);
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-image img {
        max-height: 150px;
    }
    
    .main-content {
        padding: var(--space-md);
    }
    
    .deals-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .offers-banner {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        flex-direction: column;
    }
    
    .modal-left {
        display: none;
    }
    
    .quick-view-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .action-btn span {
        display: none;
    }
    
    .cart-badge {
        top: -8px;
        right: -8px;
    }
    
    .deals-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    .product-info {
        padding: var(--space-sm);
    }
    
    .product-name {
        font-size: 0.75rem;
    }
    
    .current-price {
        font-size: 0.875rem;
    }
    
    .add-to-cart-btn {
        opacity: 1;
        transform: none;
        padding: var(--space-xs);
        font-size: 0.75rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.invisible { visibility: hidden !important; }

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}