:host {
  display: block;
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
fieldset {
  display: grid;
  gap: 14px;
  padding: 0;
  border: 0;
}
.section-heading p,
.selected-file,
.signature-notice {
  color: var(--text-muted);
}
.file-action,
.date-field {
  display: grid;
  gap: 6px;
  font-weight: 700;
}
.date-field input {
  max-width: 260px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
.selected-file,
.signature-notice,
.operation-error {
  margin: 0;
  font-size: 0.82rem;
}
.warnings {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 12px;
  background: var(--surface-soft);
}
.warnings h3 {
  margin: 0;
  font-size: 0.9rem;
}