.blb-modal-open { overflow: hidden; }
.blb-inline[hidden], .blb-modal[hidden] { display: none !important; }

.blb-modal .blb-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.5);
}
.blb-modal .blb-dialog {
    position: fixed; inset: 5vh 5vw;
    background: #fff; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,.35);
    display: grid; grid-template-rows: auto 1fr auto; overflow: hidden;
}
.blb-modal .blb-close {
    position: absolute; top: 8px; right: 10px; border: 0; background: transparent;
    font-size: 28px; line-height: 1; cursor: pointer;
}
.blb-frame { display: block; width: 100%; height: 80vh; border: 0; }
.blb-text  { padding: 1rem; }
.blb-fallback { padding: .5rem 1rem 1rem; font-size: .875rem; color: #444; }