/* Modern Electronics Webshop Design */
:root {
    /* Elektronikai téma színpaletta */
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #00ff88;
    --accent-blue: #00aaff;
    --accent-orange: #ff6b35;
    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #888888;
    --bg-dark: #0a0a0a;
    --bg-light: #f8f9fa;
    --border-light: #e0e0e0;
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-blue) 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    
    /* Hiányzó színek a cart oldalhoz */
    --error-color: #dc3545;
    --success-color: #28a745;
    --border-color: #e0e0e0;
    --text-dark: #333;
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.navbar {
    background: var(--gradient-primary);
    padding: 15px 0;
    box-shadow: 0 2px 20px var(--shadow-dark);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.navbar-brand {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.navbar-nav li {
    position: relative;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    display: block;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    text-decoration: none;
    transform: translateY(-2px);
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--gradient-primary);
    min-width: 220px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    text-decoration: none;
    border-left-color: var(--accent-color);
    padding-left: 25px;
}

.btn-cart {
    background: var(--gradient-accent);
    color: var(--text-light);
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
    border: 2px solid transparent;
}

.btn-cart:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
    color: var(--text-light);
    text-decoration: none;
    border-color: var(--accent-color);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-orange);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    animation: pulse 2s infinite;
}

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

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    color: var(--text-light);
    padding: 120px 0 80px;
    margin-top: 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,255,136,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-light);
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
    color: var(--text-light);
    text-decoration: none;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '📱';
    font-size: 4rem;
    opacity: 0.8;
}

.product-info {
    padding: 25px;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.product-description {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.price-original {
    font-size: 1.1rem;
    color: var(--text-gray);
    text-decoration: line-through;
}

.btn-add-cart {
    background: var(--gradient-accent);
    color: var(--text-light);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-add-cart:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
}

/* Featured Badge */
.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-orange);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 3;
}

/* Stock Badges */
.stock-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 3;
}

.stock-badge.low-stock {
    background: var(--accent-orange);
    color: white;
}

.stock-badge.out-of-stock {
    background: #dc3545;
    color: white;
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.category-card {
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: var(--text-dark);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: var(--text-dark);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Services/Features */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-light);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    display: block;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.service-description {
    color: var(--text-gray);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 50px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .navbar-brand {
        text-align: center;
        font-size: 1.6rem;
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }
    
    .navbar-nav li {
        width: 100%;
    }
    
    .nav-link {
        padding: 12px 15px;
        text-align: center;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.05);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        margin-top: 5px;
        border: none;
    }
    
    .dropdown-item {
        padding: 10px 20px;
        border-left: none;
        text-align: center;
    }
    
    .dropdown-item:hover {
        padding-left: 20px;
        background: rgba(255, 255, 255, 0.15);
    }
    
    .btn-cart {
        justify-content: center;
        width: 100%;
        margin-top: 10px;
    }
    
    .hero {
        padding: 100px 0 60px;
        margin-top: 120px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar-brand {
        font-size: 1.4rem;
    }
    
    .hero {
        margin-top: 140px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        margin: 0 10px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease forwards;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Cart Page Styles */
.cart-container {
    margin-top: 120px;
    padding: 20px;
    min-height: 60vh;
}

.cart-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.cart-clear-btn {
    background: var(--error-color) !important;
    color: white !important;
    border: none !important;
    padding: 12px 20px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin-top: 20px !important;
}

.cart-clear-btn:hover {
    background: #c82333 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3) !important;
}

.cart-actions {
    margin-top: 30px !important;
    padding-top: 20px !important;
    border-top: 2px solid var(--border-color) !important;
    text-align: right !important;
    background: white !important;
    padding: 20px !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
}

/* Remove item button */
.remove-item-btn {
    background: none !important;
    border: none !important;
    color: var(--error-color) !important;
    cursor: pointer !important;
    font-size: 18px !important;
    padding: 8px !important;
    border-radius: 50% !important;
    transition: all 0.3s ease !important;
}

.remove-item-btn:hover {
    background: var(--error-color) !important;
    color: white !important;
    transform: scale(1.1) !important;
}

/* Cart summary */
.cart-summary {
    background: white !important;
    padding: 30px !important;
    border-radius: 15px !important;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1) !important;
    position: sticky !important;
    top: 140px !important;
}

.btn {
    display: inline-block !important;
    padding: 12px 24px !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    text-align: center !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
}

.btn-primary {
    background: var(--gradient-accent) !important;
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3) !important;
}