.oai-ecc-output { display: contents; }
.oai-ecc-placeholder {
    padding: 18px; border: 2px dashed #c3c4c7; text-align: center;
    color: #50575e; font: 13px/1.5 system-ui, sans-serif;
}
.oai-ecc-error {
    padding: 12px 14px; border: 1px solid #d63638; background: #fff5f5;
    color: #7a1113; font: 13px/1.5 system-ui, sans-serif;
}
.oai-ecc-error pre { margin: 6px 0 0; white-space: pre-wrap; }