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

body {
    background: #000;
    color: #fff;
    font-family: 'Rajdhani', sans-serif;
    min-height: 100vh;
}

.store-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.store-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem 0;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #0ff, #0f0, #f0f) 1;
}

.back-button {
    display: inline-block;
    margin-bottom: 2rem;
    padding: 0.8rem 2rem;
    color: #0ff;
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    border: 1px solid #0ff;
    clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.back-button:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
    transform: translateY(-2px);
}

.store-header h1 {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    background: linear-gradient(135deg, #0ff, #0f0, #f0f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 255, 0, 0.8));
    margin-bottom: 1rem;
}

.store-header .subtitle {
    font-size: 1.5rem;
    color: #0f0;
    letter-spacing: 0.3em;
    text-shadow: 0 0 15px rgba(0, 255, 0, 0.8);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Product Card */
.product-card {
    position: relative;
    background: radial-gradient(circle at top, rgba(0, 255, 255, 0.05), rgba(0, 0, 0, 0.9));
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, #0ff, #0f0) 1;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.4s ease;
    text-decoration: none;
    color: #fff;
    display: block;
    clip-path: polygon(0 0, 100% 0, 100% 95%, 95% 100%, 0 100%);
}

.product-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #0ff, #0f0, #f0f, #0ff);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    clip-path: polygon(0 0, 100% 0, 100% 95%, 95% 100%, 0 100%);
}

.product-card:hover::before {
    opacity: 0.3;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 10px 40px rgba(0, 255, 255, 0.4),
        0 0 60px rgba(0, 255, 0, 0.2);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid rgba(0, 255, 255, 0.3);
    margin-bottom: 1rem;
    background: rgba(0, 255, 255, 0.03);
}

.product-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #0ff;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f0;
    text-shadow: 0 0 15px rgba(0, 255, 0, 0.8);
}

.buy-now {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, #0f0, #0ff);
    color: #000;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
    transition: all 0.3s ease;
}

.product-card:hover .buy-now {
    background: linear-gradient(135deg, #f0f, #0ff);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.8);
}

/* Loading State */
.loading {
    text-align: center;
    padding: 4rem;
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    color: #0ff;
    letter-spacing: 0.2em;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive */
@media (max-width: 768px) {
    .store-header h1 {
        font-size: 2.5rem;
    }

    .store-header .subtitle {
        font-size: 1rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .product-card {
        padding: 1rem;
    }
}