body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;padding:20px}.container{max-width:900px;margin:0 auto}.panel{border:1px solid #eee;padding:16px;margin-bottom:16px;border-radius:8px}.product-list{list-style:none;padding:0}.product-item{padding:8px 0;border-bottom:1px dashed #f0f0f0}.product-item.recommended{background:#f7fff7}.features{font-size:.9em;color:#666}input{width:100%;padding:8px;margin-top:6px;box-sizing:border-box}.actions{margin-top:8px}button{padding:8px 12px;margin-right:8px}.error{color:#b00020}pre{background:#f6f8fa;padding:8px;border-radius:6px;overflow:auto}