body{font-family:system-ui,sans-serif;margin:0;padding:0;background:#f9f9f9}.container{padding:1rem;max-width:600px;margin:auto}h1{font-size:1.5rem;text-align:center;margin-bottom:1.5rem}input,select,button{width:100%;padding:.75rem;margin-top:.5rem;font-size:1rem;box-sizing:border-box;border:1px solid #ccc;border-radius:6px}button{background-color:#007bff;color:#fff;border:none;margin-top:1rem;cursor:pointer}button:hover{background-color:#0056b3}.card{background:#fff;padding:1rem;border-radius:8px;margin-top:1rem;box-shadow:0 1px 3px #0000001a}.item-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.item-grid .card{flex:1;min-width:0}@media (max-width: 350px){.item-grid{grid-template-columns:1fr}}