/* B57: append only; maintain canonical Home / original composer. */
#pulse-a4-composer .pulse-b57-iframe[data-pulse-b57-vertical="1"]{max-height:min(43dvh,360px);max-width:270px;}
#pulse-a4-composer .pulse-b57-composer-play{border:0;border-radius:8px;background:#1366f8;color:#fff;padding:9px 14px;cursor:pointer;}
.pulse-b57-media{display:grid;gap:12px;margin:12px 0;}
.pulse-b57-card{min-width:0;max-width:720px;padding:12px;border:1px solid #dce5f3;border-radius:13px;background:linear-gradient(140deg,#101f3a,#192f50);color:white;}
.pulse-b57-name{font-size:15px;font-weight:750;padding:6px 2px 11px;}
.pulse-b57-play{display:grid;place-items:center;width:100%;min-height:110px;aspect-ratio:16/9;background:linear-gradient(120deg,#203e69,#354d82);border:0;border-radius:10px;color:white;font-size:18px;cursor:pointer;}
.pulse-b57-iframe{display:block;width:100%;aspect-ratio:16/9;max-height:520px;border:0;border-radius:10px;background:#111827;}
.pulse-b57-iframe[data-pulse-b57-vertical="1"]{aspect-ratio:9/16;max-width:390px;max-height:640px;}
.pulse-b57-note{font-size:12px;color:#ccd8ea;padding:9px 2px 3px;}
.pulse-b57-original{display:inline-block;margin:6px 2px;color:#c9dcff;text-decoration:underline;font-size:13px;}
.pulse-b57-manage{position:relative;margin-left:auto;display:inline-flex;align-items:center;gap:6px;}
.pulse-b57-ellipsis{border:1px solid #dce6f4;border-radius:8px;background:white;color:#233e68;min-width:34px;height:34px;cursor:pointer;font-size:20px;}
.pulse-b57-delete{border:1px solid #f3b9b9;border-radius:8px;background:#fff5f5;color:#9d1821;cursor:pointer;font-size:13px;padding:8px;}
.pulse-b57-delete[hidden]{display:none!important;}
.pulse-a4-feed-post[data-pulse-b57-hydrated="1"] .pulse-b54-gallery{display:none!important;}
@media(max-width:600px){.pulse-b57-iframe[data-pulse-b57-vertical="1"]{max-width:100%;max-height:60dvh}.pulse-b57-card{padding:9px}}