:root{--primary-color: #007bff;--secondary-color: #6c757d;--background-color: #f8f9fa;--text-color: #333;--border-color: #dee2e6;--card-shadow: 0 4px 6px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background-color);color:var(--text-color);margin:0;padding:0}.container{max-width:960px;margin:0 auto;padding:20px}header{background-color:#fff;box-shadow:0 2px 4px #0000000d;margin-bottom:20px}header .container{display:flex;justify-content:space-between;align-items:center}h1{margin:0;font-size:1.5rem;color:var(--primary-color)}nav a{margin-left:20px;text-decoration:none;color:var(--text-color);font-weight:500}nav a:hover{color:var(--primary-color)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:var(--card-shadow);margin-bottom:20px}.product-card{display:flex;flex-direction:column}.product-image{width:100%;height:200px;object-fit:cover;border-radius:4px;margin-bottom:15px}.product-title{font-size:1.2rem;margin:0 0 10px}.product-price{font-size:1.1rem;color:#e83e8c;font-weight:700;margin-bottom:10px}.product-desc{color:var(--secondary-color);font-size:.9rem;flex-grow:1;margin-bottom:15px}.form-group{margin-bottom:15px}label{display:block;margin-bottom:5px;font-weight:700}input,textarea{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:4px;box-sizing:border-box}.input-group{display:flex;gap:10px}.btn-primary{background-color:var(--primary-color);color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;font-size:1rem;width:100%}.btn-secondary{background-color:var(--secondary-color);color:#fff;border:none;padding:5px 10px;border-radius:4px;cursor:pointer}.btn-primary:hover{background-color:#0056b3}.list-item{border-bottom:1px solid var(--border-color);padding:15px 0;display:flex;justify-content:space-between;align-items:center}.list-item:last-child{border-bottom:none}.cart-summary{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-size:1.2rem}.loading{text-align:center;padding:40px;color:var(--secondary-color)}.badge{padding:4px 8px;border-radius:4px;font-size:.8rem;color:#fff}.badge-pending_payment{background-color:#ffc107;color:#333}.badge-paid{background-color:#28a745}.badge-shipped{background-color:#17a2b8}.badge-preorder_confirmed{background-color:#6f42c1}@media (max-width: 600px){.container{padding:10px}header .container{flex-direction:column}nav{margin-top:10px}}