/* Datos: reutiliza tokens y controles de Útiles. */
.udn-frame{display:grid;gap:var(--espacio-4,1rem);min-width:0}
.udn-settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:var(--espacio-4,1rem);align-items:end}
.udn-settings>.uth-nota{grid-column:1/-1}
.udn-frame textarea{white-space:pre-wrap;overflow-wrap:anywhere;tab-size:2;font-family:var(--fuente-mono,monospace);min-width:0;max-width:100%}
.udn-frame textarea[readonly]{color:var(--texto-principal,var(--blanco));background:var(--negro-abismo);border:1px solid var(--borde-suave,var(--escarcha-borde))}
.udn-frame input[type=file]{max-width:100%;min-width:0}
@media(max-width:600px){.udn-settings{grid-template-columns:1fr}.udn-frame .uth-fila{flex-wrap:wrap}}