dialog.psource-modal {
  border: none;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  padding: 0;
  max-width: 90vw;
  max-height: 90vh;
  width: 400px;
}
dialog.psource-modal::backdrop {
  background: rgba(0,0,0,0.7);
}
.psource-modal-header {
  padding: 1em;
  background: #23282d;
  color: #fff;
  font-weight: bold;
  position: relative;
}
.psource-modal-content {
  padding: 1em;
}
.psource-modal-close {
  position: absolute;
  top: 10px;
  right: 16px;
  background: none;
  border: none;
  color: red;
  font-size: 1.5em;
  cursor: pointer;
}