/* Field Copilot card-head polish: keep identity, context, and close action visible. */
.ncai-assistant-card {
    max-height: min(61vh, 560px);
}

.ncai-assistant-card > header {
    position: sticky;
    top: 0;
    z-index: 3;
    background: rgba(240, 249, 246, .92);
    backdrop-filter: blur(14px);
}