dialog.pdfv { width: min(1100px, 96vw); height: min(92vh, 1000px); max-width: none; padding: 0; border: 0;
  border-radius: 10px; background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.35); overflow: hidden; }
dialog.pdfv[open] { display: flex; flex-direction: column; }
dialog.pdfv::backdrop { background: rgba(10, 16, 30, .6); }
.pdfv-kopf { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid #dfe3ea; background: #f6f8fb; }
.pdfv-titel { flex: 1; min-width: 0; font-weight: 700; font-size: 14px; color: #1b2433; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdfv-knopf { font: inherit; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 7px; border: 1px solid #c5ccd8;
  background: #fff; color: #1a4fa0; text-decoration: none; cursor: pointer; white-space: nowrap; }
.pdfv-knopf:hover { background: #eef3fb; }
.pdfv-rahmen { flex: 1; width: 100%; border: 0; background: #e9edf3; }
@media (max-width: 600px) {
  dialog.pdfv { width: 100vw; height: 100dvh; max-height: none; border-radius: 0; }
  .pdfv-knopf { padding: 6px 8px; }
}