body{margin:0;background:#f4f1e9;color:#223029}.practice-app{width:min(820px,calc(100% - 40px));margin:auto;padding:64px 0}.mode-badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#f5c851;font-weight:900}label,small{display:block}input{width:min(100%,560px);margin:8px 0;padding:12px}button{margin:18px 0;padding:12px 18px;border:0;border-radius:10px;background:#0c7656;color:white;font-weight:800}.item-list{display:grid;gap:12px}.item-card{padding:18px;border:1px solid #bdc9c2;border-radius:14px;background:white}