.mcs-embed { position: relative; }
.mcs-embed iframe[data-mcs-src] { visibility: hidden; }
.mcs-embed:not(.mcs-embed--loaded) { min-height: 200px; background: #f4f4f2; }
.mcs-embed__notice { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; padding: 1.5rem; text-align: center; }
.mcs-embed--loaded .mcs-embed__notice { display: none; }
.mcs-embed__load { cursor: pointer; padding: 0.6rem 1.2rem; border: 0; border-radius: 4px; background: #1a1a1a; color: #fff; font: inherit; }