/* SIGACTS integrity guard.
   Keep every feed item as one full-width row even if RSS markup or a later
   enhancement introduces floats/columns. */
#sigactslist,
#sigactslist.tm-sigact-list {
  display:block !important;
  width:100% !important;
  max-width:100% !important;
  min-width:0 !important;
  overflow-x:hidden !important;
  columns:auto !important;
  column-count:1 !important;
  column-width:auto !important;
}

#sigactslist > .sigact,
#sigactslist > .tm-sigact-row {
  display:flex !important;
  width:100% !important;
  max-width:100% !important;
  min-width:0 !important;
  float:none !important;
  clear:both !important;
  position:relative !important;
  break-inside:avoid !important;
  box-sizing:border-box !important;
}

/* data-tm-strict-aor belongs to the dedicated SIGACT integrity pass and wins
   even if the older broad keyword filter later touches data-tm-aor-match. */
#sigactslist > .sigact[data-tm-strict-aor="false"],
#sigactslist > .tm-sigact-row[data-tm-strict-aor="false"],
#sigactslist > .sigact[data-tm-aor-match="false"],
#sigactslist > .tm-sigact-row[data-tm-aor-match="false"] {
  display:none !important;
}

#sigactslist .sigbody {
  flex:1 1 auto !important;
  width:auto !important;
  max-width:100% !important;
  min-width:0 !important;
  float:none !important;
}

#sigactslist .sigloc,
#sigactslist .sigsummary {
  display:block !important;
  width:100% !important;
  max-width:100% !important;
  min-width:0 !important;
  float:none !important;
  position:static !important;
  white-space:normal !important;
  overflow-wrap:anywhere !important;
  word-break:normal !important;
}

/* RSS descriptions are text surfaces only. Embedded feed markup must never
   become active layout/media inside the operational feed. */
#sigactslist .sigsummary img,
#sigactslist .sigsummary video,
#sigactslist .sigsummary iframe,
#sigactslist .sigsummary object,
#sigactslist .sigsummary embed,
#sigactslist .sigsummary style,
#sigactslist .sigsummary script {
  display:none !important;
}