/* ── ARTICLE OVERLAY expanded for file reading ── */
#dart-box.dart-file-mode {
  width: min(96vw, 1040px);
  max-height: 92vh
}

#dart-box.dart-file-mode #dart-body {
  padding: 0;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column
}

#dart-file-frame {
  width: 100%;
  flex: 1;
  border: none;
  display: block;
  min-height: 68vh
}