.entity-search-box { position: relative; }
.entity-search-results {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    max-height: 360px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.entity-search-results.show { display: block; }