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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

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

.header {
    background-color: #1a1a1a;
    border-bottom: 1px solid #333;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    overflow: hidden;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo a {
    color: #4CAF50;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: #66BB6A;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: #ccc;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #fff;
    background-color: #333;
}

.nav-link.active {
    color: #4CAF50;
    background-color: #2a2a2a;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stats {
    display: flex;
    gap: 15px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
}

.stat-label {
    font-size: 10px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.currency {
    background-color: #333;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    color: #4CAF50;
    font-weight: bold;
}

.cart {
    position: relative;
    background-color: #4CAF50;
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cart:hover {
    background-color: #66BB6A;
    transform: scale(1.05);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #f44336;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* Main Content */
.main {
    padding: 30px 0;
}

.search-section {
    margin-bottom: 30px;
}

.search-bar {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-bar i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

.search-bar input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    background-color: #1a1a1a;
    border: 2px solid #333;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-bar input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.search-bar input::placeholder {
    color: #888;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.product-card {
    background: linear-gradient(145deg, #1e1e1e, #2a2a2a);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid #333;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #4CAF50;
}

.product-card:nth-child(5n+1) {
    border-left: 3px solid #2196F3;
}

.product-card:nth-child(5n+2) {
    border-left: 3px solid #f44336;
}

.product-card:nth-child(5n+3) {
    border-left: 3px solid #4CAF50;
}

.product-card:nth-child(5n+4) {
    border-left: 3px solid #9C27B0;
}

.product-card:nth-child(5n+5) {
    border-left: 3px solid #FF9800;
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(45deg, #333, #555);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.product-stock {
    color: #4CAF50;
    font-size: 14px;
    margin-bottom: 10px;
    font-weight: 500;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #4CAF50;
}

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

.product-card {
    animation: fadeInUp 0.6s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-left {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    
    .nav {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .header-right {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .stats {
        order: -1;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .header-left {
        align-items: center;
    }
    
    .nav {
        gap: 10px;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }
}