.oa-card{border:1px solid #f0f0f0;border-radius:12px;padding:12px;background:#fff}
.oa-muted{color:#666;font-size:12px}
.oa-title{font-weight:700;line-height:1.35}
.oa-grid{display:grid;gap:12px}
@media(min-width:900px){.oa-grid{grid-template-columns:1fr 1fr}}