body{margin:0;background:#eef4f1;color:#203029}.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:#d8eee5;color:#07543e;font-weight:800}.actions{display:flex;gap:12px}button{padding:12px 18px;border:0;border-radius:10px;background:#0c7656;color:white;font:inherit;font-weight:800;cursor:pointer}.item-list{display:grid;gap:12px}.item-card{padding:18px;border:1px solid #bed0c6;border-radius:14px;background:white}.status--error{color:#a72b2b}.status--loading{color:#765c0c}