body{font-family:system-ui,Arial,sans-serif;margin:0;background:#0d0f14;color:#e8eaed}
header{padding:32px 20px;background:#151924}h1{margin:0 0 8px}main{padding:20px}
#catalog{min-height:200px;border:1px solid #222834;border-radius:10px;padding:16px}