/**
 * MenStyle - Main Stylesheet
 * Premium Men Clothing E-Commerce
 */

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    /* Colors */
    --primary: #111111;
    --primary-light: #333333;
    --secondary: #F8F8F8;
    --accent: #D4AF37;
    --accent-hover: #B8962E;
    --white: #FFFFFF;
    --black: #000000;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Status Colors */
    --success: #22C55E;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Container */
    --container-max: 1400px;
    --container-padding: 1rem;
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--primary);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-md);
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.main-content {
    min-height: calc(100vh - 400px);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: 2.25rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.125rem;
}

.section-header .accent-bar {
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: var(--space-md) auto;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========================================
   TOP BAR
   ======================================== */
.top-bar {
    background: var(--primary);
    color: var(--white);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: var(--space-xl);
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.top-bar-left i {
    color: var(--accent);
}

/* ========================================
   HEADER
   ======================================== */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.main-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo */
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}

.logo-accent {
    color: var(--accent);
}

/* Navigation */
.main-nav .nav-menu {
    display: flex;
    gap: var(--space-xl);
}

.main-nav a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-sm) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition-base);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    padding: var(--space-sm) 0;
    margin-top: var(--space-md);
}

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

.dropdown-menu a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 500;
    font-size: 0.875rem;
}

.dropdown-menu a:hover {
    background: var(--secondary);
    color: var(--accent);
}

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

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

/* Search Box */
.search-box form {
    display: flex;
    align-items: center;
    background: var(--secondary);
    border-radius: var(--radius-full);
    padding: var(--space-xs) var(--space-sm);
    transition: var(--transition-base);
}

.search-box form:focus-within {
    box-shadow: 0 0 0 2px var(--accent);
}

.search-box input {
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-md);
    width: 180px;
    outline: none;
}

.search-box button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.search-box button:hover {
    background: var(--accent-hover);
}

/* Cart Icon */
.cart-icon {
    position: relative;
    font-size: 1.25rem;
    color: var(--primary);
    transition: var(--transition-base);
}

.cart-icon:hover {
    color: var(--accent);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.625rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* User Menu */
.user-menu .user-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
}

.user-menu .user-link i {
    font-size: 1.25rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-base);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--white);
    z-index: 1001;
    transition: var(--transition-base);
    overflow-y: auto;
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-close {
    font-size: 1.5rem;
    color: var(--gray-500);
}

.mobile-search {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-search form {
    display: flex;
    gap: var(--space-sm);
}

.mobile-search input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
}

.mobile-search button {
    background: var(--accent);
    color: var(--white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
}

.mobile-menu {
    padding: var(--space-md) 0;
}

.mobile-menu li {
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu a {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    font-weight: 600;
}

.mobile-menu a:hover {
    background: var(--secondary);
    color: var(--accent);
}

.mobile-dropdown > a {
    justify-content: space-between;
}

.mobile-submenu {
    background: var(--gray-100);
    display: none;
}

.mobile-submenu.active {
    display: block;
}

.mobile-submenu a {
    padding-left: var(--space-2xl);
    font-weight: 400;
}

.cart-badge {
    background: var(--accent);
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    margin-left: auto;
}

/* Mobile Cart Bar */
.mobile-cart-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: var(--space-md);
    z-index: 999;
}

.mobile-cart-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--white);
}

.mobile-cart-icon {
    position: relative;
    font-size: 1.25rem;
}

.mobile-cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    font-size: 0.625rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-cart-total {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
}

.mobile-cart-label {
    font-size: 0.875rem;
    text-transform: uppercase;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

/* ========================================
   HERO BANNER
   ======================================== */
.hero-banner {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: var(--space-xl);
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-15px); }
    60% { transform: translateX(-50%) translateY(-7px); }
}

/* ========================================
   CATEGORIES SECTION
   ======================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    transition: var(--transition-base);
}

.category-card:hover .category-card-overlay {
    background: linear-gradient(to top, rgba(212, 175, 55, 0.9), rgba(212, 175, 55, 0.3));
}

.category-card h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.category-card span {
    color: var(--white);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-base);
}

.category-card:hover span {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   PRODUCTS
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--secondary);
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

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

.product-badges {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.product-badge {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
}

.badge-sale { background: var(--error); color: var(--white); }
.badge-new { background: var(--success); color: var(--white); }
.badge-featured { background: var(--accent); color: var(--white); }

.product-actions {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    gap: var(--space-sm);
    opacity: 0;
    transition: var(--transition-base);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.product-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.product-action-btn:hover {
    background: var(--accent);
    color: var(--white);
}

.product-info {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: var(--space-xs);
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.8em;
}

.product-title a:hover {
    color: var(--accent);
}

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

.price {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary);
}

.price-sale {
    text-decoration: line-through;
    color: var(--gray-400);
    font-size: 0.875rem;
    font-weight: 500;
}

.price-current {
    color: var(--accent);
}

/* ========================================
   PRODUCT PAGE
   ======================================== */
.product-page {
    padding: var(--space-2xl) 0;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.product-gallery {
    position: relative;
}

.product-main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--secondary);
    margin-bottom: var(--space-md);
}

.product-main-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-thumbnails {
    display: flex;
    gap: var(--space-sm);
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
}

.product-thumbnail.active,
.product-thumbnail:hover {
    border-color: var(--accent);
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-detail h1 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.product-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

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

.rating-stars {
    color: var(--accent);
}

.rating-count {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.product-sku {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.product-price-detail {
    margin-bottom: var(--space-xl);
}

.product-price-detail .price {
    font-size: 1.5rem;
}

.product-description {
    margin-bottom: var(--space-xl);
    color: var(--gray-600);
    line-height: 1.8;
}

.product-variants {
    margin-bottom: var(--space-xl);
}

.variant-group {
    margin-bottom: var(--space-lg);
}

.variant-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    font-size: 0.875rem;
}

.size-options {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.size-option {
    min-width: 50px;
    height: 44px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.size-option:hover,
.size-option.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--white);
}

.size-option:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.color-options {
    display: flex;
    gap: var(--space-sm);
}

.color-option {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.color-option.active,
.color-option:hover {
    border-color: var(--accent);
    transform: scale(1.1);
}

.product-stock {
    margin-bottom: var(--space-lg);
}

.stock-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
}

.stock-status.in-stock { color: var(--success); }
.stock-status.low-stock { color: var(--warning); }
.stock-status.out-of-stock { color: var(--error); }

.product-actions-detail {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.quantity-selector button {
    width: 44px;
    height: 44px;
    background: var(--secondary);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.quantity-selector button:hover {
    background: var(--gray-300);
}

.quantity-selector input {
    width: 60px;
    height: 44px;
    text-align: center;
    border: none;
    font-weight: 600;
}

/* Product Tabs */
.product-tabs {
    margin-top: var(--space-3xl);
}

.tab-nav {
    display: flex;
    gap: var(--space-xl);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--space-xl);
}

.tab-btn {
    padding: var(--space-md) 0;
    font-weight: 600;
    position: relative;
    color: var(--gray-500);
}

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

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   CART & CHECKOUT
   ======================================== */
.cart-page {
    padding: var(--space-2xl) 0;
}

.cart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
}

.cart-empty {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.cart-empty-icon {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--space-lg);
}

.cart-empty h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.cart-empty p {
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
}

.cart-items {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto auto;
    gap: var(--space-lg);
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-100);
}

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

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--secondary);
}

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

.cart-item-details h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.cart-item-details h4 a:hover {
    color: var(--accent);
}

.cart-item-meta {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.cart-item-price {
    font-weight: 700;
    font-family: var(--font-heading);
}

.cart-item-remove {
    color: var(--error);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.cart-item-remove:hover {
    transform: scale(1.2);
}

.cart-summary {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--gray-100);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-heading);
    padding-top: var(--space-md);
    border-top: 2px solid var(--gray-100);
    margin-top: var(--space-md);
}

.coupon-form {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.coupon-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
}

/* Checkout */
.checkout-page {
    padding: var(--space-2xl) 0;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-2xl);
}

.checkout-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
}

.form-section {
    margin-bottom: var(--space-2xl);
}

.form-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-section h3 i {
    color: var(--accent);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.form-group label .required {
    color: var(--error);
}

.form-control {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

.form-control:disabled {
    background: var(--secondary);
    cursor: not-allowed;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-2xl);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.payment-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.payment-method:hover,
.payment-method.active {
    border-color: var(--accent);
    background: rgba(212, 175, 55, 0.05);
}

.payment-method input {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
}

.payment-method i {
    font-size: 1.5rem;
    color: var(--accent);
}

.payment-info {
    flex: 1;
}

.payment-info h4 {
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.payment-info p {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin: 0;
}

/* ========================================
   MODALS
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

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

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-base);
}

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

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--gray-500);
    z-index: 10;
}

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

.modal-body {
    padding: var(--space-2xl);
    text-align: center;
}

.modal-body h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.modal-body h3 i {
    color: var(--accent);
    margin-right: var(--space-sm);
}

.modal-body p {
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
}

.modal-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* Order Confirmation Modal */
.order-confirmation {
    text-align: center;
}

.order-confirmation .success-icon {
    width: 80px;
    height: 80px;
    background: var(--success);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--space-xl);
    animation: scaleIn 0.5s var(--transition-bounce);
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

/* ========================================
   FLASH MESSAGES
   ======================================== */
.flash-message {
    position: fixed;
    top: 90px;
    right: var(--space-lg);
    z-index: 1500;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.flash-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    min-width: 300px;
}

.flash-success .flash-content {
    border-left: 4px solid var(--success);
}

.flash-error .flash-content {
    border-left: 4px solid var(--error);
}

.flash-info .flash-content {
    border-left: 4px solid var(--info);
}

.flash-warning .flash-content {
    border-left: 4px solid var(--warning);
}

.flash-content i {
    font-size: 1.25rem;
}

.flash-success i { color: var(--success); }
.flash-error i { color: var(--error); }
.flash-info i { color: var(--info); }
.flash-warning i { color: var(--warning); }

.flash-close {
    margin-left: auto;
    color: var(--gray-500);
    font-size: 1.25rem;
}

/* ========================================
   NEWSLETTER
   ======================================== */
.newsletter-section {
    background: var(--primary);
    padding: var(--space-3xl) 0;
    color: var(--white);
}

.newsletter-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2xl);
}

.newsletter-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.newsletter-content p {
    opacity: 0.8;
    margin: 0;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    min-width: 300px;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: none;
}

/* ========================================
   FOOTER
   ======================================== */
.main-footer {
    background: var(--secondary);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.footer-brand .footer-logo {
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.footer-brand .logo-text {
    font-size: 1.75rem;
}

.footer-description {
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.footer-contact i {
    color: var(--accent);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--gray-600);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: var(--space-sm);
}

.footer-links .divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-sm) 0;
}

.payment-methods {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.payment-methods > span {
    font-weight: 600;
    color: var(--gray-600);
}

.payment-icons {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.payment-icons i {
    font-size: 1.5rem;
    color: var(--gray-500);
}

.payment-icons .payment-text {
    font-weight: 700;
    color: var(--gray-500);
}

.copyright-bar {
    background: var(--primary);
    color: var(--white);
    padding: var(--space-md) 0;
    font-size: 0.875rem;
}

.copyright-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright-bar .made-with i {
    color: var(--error);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* ========================================
   AUTH PAGES
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--white) 100%);
    padding: var(--space-xl);
}

.auth-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.auth-image {
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    position: relative;
}

.auth-image-content {
    text-align: center;
    color: var(--white);
}

.auth-image-content h2 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.auth-image-content p {
    opacity: 0.8;
}

.auth-form-wrapper {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form-wrapper h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xs);
}

.auth-form-wrapper .subtitle {
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
}

.auth-form .form-group {
    margin-bottom: var(--space-lg);
}

.auth-form .form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.auth-form .form-control {
    padding: var(--space-md);
}

.auth-form .btn {
    width: 100%;
    padding: var(--space-md);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
}

.auth-footer a {
    color: var(--accent);
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .main-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .search-box {
        display: none;
    }
    
    .header-wrapper {
        height: 70px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .cart-grid,
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-summary {
        position: static;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-wrapper {
        flex-direction: column;
        text-align: center;
    }
    
    .auth-wrapper {
        grid-template-columns: 1fr;
    }
    
    .auth-image {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .top-bar {
        display: none;
    }
    
    .header-actions .user-menu span {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-banner {
        min-height: 500px;
        height: auto;
        padding: var(--space-3xl) 0;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: var(--space-md);
    }
    
    .cart-item > *:not(.cart-item-image):not(.cart-item-details) {
        grid-column: 2;
    }
    
    .product-actions-detail {
        flex-direction: column;
    }
    
    .product-actions-detail .btn {
        width: 100%;
    }
    
    .mobile-cart-bar {
        display: none !important;
    }
    
    /* Chatbot positioned for mobile without cart bar */
    .chatbot-toggle {
        bottom: 20px !important;
        right: 15px !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .copyright-bar .container {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .newsletter-form input {
        min-width: auto;
    }
    
    .tab-nav {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .flash-message {
        right: var(--space-md);
        left: var(--space-md);
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-card {
        border-radius: var(--radius-md);
    }
    
    .product-info {
        padding: var(--space-md);
    }
    
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8125rem;
    }
    
    .auth-form-wrapper {
        padding: var(--space-xl);
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.visible { display: block !important; }

.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;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

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

/* Animation Classes */
.fade-in { animation: fadeIn 0.5s ease; }
.slide-up { animation: slideUp 0.5s ease; }
.zoom-in { animation: zoomIn 0.5s ease; }

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

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}