/* Centrado seguro: cuando el contenido crece, los márgenes se retiran y se puede recorrer completo. */
.aabn-app.aabn-board [data-board-panel-screen].aabn-hub-pdf { display:flex; flex-direction:column; }
.aabn-app.aabn-board .aabn-hub-pdf > .aabn-hub-pdf-menu { flex:0 0 auto; width:min(1120px,100%); margin:auto; padding:14px 0 20px; }
.aabn-app.aabn-board .aabn-has-pdf-preview > .aabn-hub-pdf-heading { flex:0 0 auto; width:100%; max-width:none; margin: auto 0 20px; }
.aabn-app.aabn-board .aabn-hub-pdf > .aabn-pdf-preview-layout { flex:0 0 auto; width:100%; margin:0 0 auto; align-items:center; }
.aabn-app.aabn-board .aabn-pdf-preview-controls { align-self:center; }
@media screen and (min-width:901px) {
 .aabn-app.aabn-board .aabn-pdf-preview-layout .aabn-pdf-preview { position:relative; top:auto; }
 .aabn-app.aabn-board .aabn-pdf-preview-layout [data-pdf-preview-frame] { height:clamp(300px,calc(100dvh - 330px),740px); min-height:300px; }
}
@media screen and (min-width:769px) and (max-width:1200px) {
 .aabn-app.aabn-board .aabn-hub-pdf-menu > header { margin:12px 0 20px; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu h3 { font-size:32px; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu .aabn-hub-pdf-choice { min-height:210px; gap:6px; padding:14px 12px; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu .aabn-hub-pdf-choice > .aabn-board-art { width:130px; height:84px; margin:0; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu .aabn-hub-pdf-choice strong { font-size:22px; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu .aabn-hub-pdf-choice > span { font-size:12px; }
 .aabn-app.aabn-board .aabn-hub-pdf-menu .aabn-hub-pdf-choice > .aabn-icon { width:24px; height:24px; }
}
@media screen and (max-width:900px) {
 .aabn-app.aabn-board .aabn-hub-pdf > .aabn-pdf-preview-layout { align-items:stretch; }
 .aabn-app.aabn-board .aabn-hub-pdf > .aabn-hub-pdf-menu { padding-block:8px 20px; }
}