body{margin:0;font-family:Arial,Helvetica,sans-serif;background-color:#f7f7f7;color:#333}.container{max-width:1000px;margin:0 auto;padding:20px;background:#fff}nav{background:#2f6f4e;padding:12px 20px}nav a{color:#fff;text-decoration:none;margin-right:15px;font-weight:700}nav a:hover{text-decoration:underline}h2{margin-top:0;color:#2f6f4e}.card{border:1px solid #ddd;padding:16px;margin-bottom:15px;border-radius:4px;background:#fff}button{background:#2f6f4e;color:#fff;border:none;padding:8px 14px;cursor:pointer;border-radius:4px}button:hover{background:#25593f}input,textarea{width:100%;padding:8px;margin-bottom:10px;border:1px solid #ccc;border-radius:4px}.total{font-size:18px;font-weight:700;margin-top:10px}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:20px}.product-card{border:1px solid #ddd;padding:16px;border-radius:6px;background:#fff}.product-image{width:100%;height:180px;object-fit:cover;border-radius:4px;margin-bottom:10px}