:root {
    --primary: #6c5ce7;
    --primary-dark: #5849c2;
    --bg: #0f1117;
    --card-bg: #1a1d29;
    --text: #e8e8ec;
    --text-muted: #9a9ba8;
    --success: #2ecc71;
    --danger: #e74c3c;
    --border: #2a2d3a;
}

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

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

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

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.logo { font-size: 24px; font-weight: 800; color: var(--primary); }
.main-nav { display: flex; gap: 24px; }
.main-nav a:hover { color: var(--primary); }
.header-actions { display: flex; gap: 16px; align-items: center; }
.cart-count { background: var(--primary); border-radius: 50%; padding: 2px 8px; font-size: 12px; }

/* Hero */
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 36px; margin-bottom: 12px; }
.hero p { color: var(--text-muted); }

/* Categories */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 32px 0; }
.category-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}
.category-card:hover { transform: translateY(-4px); border-color: var(--primary); }

/* Products grid */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin: 24px 0; }
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    display: block;
    transition: transform 0.2s, border-color 0.2s;
}
.product-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.product-image { aspect-ratio: 1; background: #232635; border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card h4 { font-size: 15px; margin-bottom: 8px; min-height: 40px; }
.price { display: flex; gap: 8px; align-items: baseline; }
.old-price { text-decoration: line-through; color: var(--text-muted); font-size: 13px; }
.current-price { font-size: 18px; font-weight: 700; color: var(--primary); }
.sold-badge, .region-badge { display: inline-block; font-size: 11px; background: var(--border); padding: 2px 8px; border-radius: 20px; margin-top: 6px; color: var(--text-muted); }
.badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 10px; }
.badge-row .sold-badge, .badge-row .region-badge { margin-top: 0; }

/* Product detail */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 32px 0; }
.product-detail-image { background: var(--card-bg); border-radius: 12px; overflow: hidden; aspect-ratio: 1; }
.product-detail-image img { width: 100%; height: 100%; object-fit: cover; }
.breadcrumb { color: var(--text-muted); font-size: 14px; }
.product-detail-info h1 { margin: 8px 0 16px; }
.price-block { margin-bottom: 16px; }
.price-block .current-price { font-size: 28px; }
.stock-status { margin-bottom: 16px; }
.in-stock { color: var(--success); }
.out-of-stock { color: var(--danger); }
.description { color: var(--text-muted); margin-bottom: 24px; white-space: pre-line; }
.add-to-cart-form { display: flex; gap: 12px; align-items: center; }
.add-to-cart-form input[type=number] { width: 70px; padding: 10px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); }

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--border); color: var(--text); padding: 12px 24px; border-radius: 8px; display: inline-block; }
.btn-remove { background: none; border: 1px solid var(--danger); color: var(--danger); padding: 6px 14px; border-radius: 6px; cursor: pointer; }
.inline-form { display: inline; }

/* Cart */
.cart-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.cart-table th, .cart-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
.cart-table input[type=number] { width: 60px; padding: 6px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); }
.cart-summary { text-align: right; margin-top: 16px; }
.cart-summary h3 { margin-bottom: 16px; }

/* Checkout */
.checkout-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin: 24px 0; }
.checkout-form label, .checkout-form input, .checkout-form textarea, .checkout-form select { display: block; width: 100%; margin-bottom: 12px; }
.checkout-form input, .checkout-form textarea, .checkout-form select {
    padding: 10px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
}
.order-summary { background: var(--card-bg); border-radius: 12px; padding: 20px; height: fit-content; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.total-row { border-bottom: none; margin-top: 8px; }

/* Order success */
.order-success { text-align: center; padding: 40px 0; }
.delivered-item { background: var(--card-bg); border-radius: 12px; padding: 20px; margin: 20px auto; max-width: 500px; text-align: left; }
.code-box { background: #0a0b10; border: 1px dashed var(--primary); border-radius: 8px; padding: 12px; margin-top: 8px; font-family: monospace; word-break: break-all; }
.pending-note { color: var(--text-muted); }
.note { color: var(--text-muted); font-size: 14px; margin-top: 24px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert-error { background: rgba(231,76,60,0.15); border: 1px solid var(--danger); color: #ff9f95; }
.alert-success { background: rgba(46,204,113,0.15); border: 1px solid var(--success); color: #8fe8b0; }

/* Footer */
.site-footer { text-align: center; padding: 32px 0; color: var(--text-muted); border-top: 1px solid var(--border); margin-top: 60px; }
.footer-links a:hover { color: var(--primary); }

@media (max-width: 768px) {
    .product-detail, .checkout-layout { grid-template-columns: 1fr; }
}