:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary: #8b5cf6;
    --bg: #0f172a;
    --card: rgba(15, 23, 42, 0.92);
    --text: #f8fafc;
    --muted: #cbd5e1;
    --border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

/* Header */
.store-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-section .logo {
    width: 50px;
    height: auto;
}

.logo-section h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.header-nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--primary-light);
}

/* Main */
.store-main {
    padding: 100px 0 40px 0;
    min-height: calc(100vh - 200px);
}

.store-filters {
    margin-bottom: 30px;
}

.store-filters h2 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.category-btn {
    padding: 10px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
}

.product-image {
    width: 100%;
    min-height: 160px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    display: block;
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.product-description {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
    margin-bottom: 15px;
}

.product-footer {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.btn-add-cart,
.btn-detail {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-detail {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-detail:hover {
    background: var(--glass);
    border-color: var(--primary);
}

.btn-add-cart:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.product-image a {
    display: block;
    width: 100%;
    height: 100%;
}

.no-products {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

/* Footer */
.store-footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}