.app{max-width:720px;margin:0 auto;padding:2rem 1.5rem;font-family:system-ui,sans-serif}header{margin-bottom:2rem}.card{border:1px solid #d9d9d9;border-radius:8px;padding:1rem 1.25rem;margin-bottom:1rem}.item-form{display:grid;gap:.75rem;margin-bottom:1rem}.item-form label{display:grid;gap:.25rem}.item-form input{padding:.5rem .75rem;border:1px solid #ccc;border-radius:4px}.item-form button{width:fit-content;padding:.5rem 1rem;border:none;border-radius:4px;background:#3b5bdb;color:#fff;cursor:pointer}.error{color:#c92a2a}:root{font-family:system-ui,sans-serif;line-height:1.5;color:#1f1f1f;background-color:#fff}*{box-sizing:border-box}body{margin:0}