.field label[data-v-5a4989be]{color:var(--muted,#666);margin-bottom:4px;font-size:13px;display:block}textarea[data-v-5a4989be]{box-sizing:border-box;border:1px solid var(--border,#ccc);border-radius:6px;width:100%;max-width:520px;padding:8px 10px;font-size:14px}button[data-v-5a4989be]{border:1px solid var(--border,#ccc);cursor:pointer;background:#fff;border-radius:6px;padding:6px 16px}.start[data-v-5a4989be]{background:var(--primary,#2563eb);color:#fff;border-color:var(--primary,#2563eb)}.start[data-v-5a4989be]:disabled{opacity:.45;cursor:not-allowed}.err[data-v-5a4989be]{color:#c02626;margin-left:10px;font-size:13px}.stage[data-v-5a4989be]{max-width:520px}.progress[data-v-5a4989be]{color:var(--muted,#666);margin-bottom:8px;font-size:13px}.card[data-v-5a4989be]{border:1px solid var(--border,#e0e0e0);background:var(--bg-soft,#fafafa);text-align:center;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:12px;justify-content:center;align-items:center;height:160px;padding:0 20px;font-size:26px;display:flex}.card.flipped[data-v-5a4989be]{background:#f0f7ff}.bar[data-v-5a4989be]{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.know[data-v-5a4989be]{background:var(--ok,#0a7a3d);color:#fff;border-color:var(--ok,#0a7a3d)}.unknow[data-v-5a4989be]{color:#b91c1c;background:#fee2e2;border-color:#fca5a5}.hint[data-v-5a4989be]{color:var(--muted,#888);font-size:13px}