.shell {
  max-width: 480px;
  margin: 0 auto;
  padding: calc(0.75rem + env(safe-area-inset-top)) 1rem
    calc(1.25rem + env(safe-area-inset-bottom));
}
.shell-header { margin-bottom: 0.75rem; }
.tabs { display: flex; gap: 0.4rem; margin-bottom: 0.85rem; }
.tab {
  flex: 1;
  border: 1px solid var(--pm-border);
  background: transparent;
  color: var(--pm-text);
  border-radius: var(--pm-radius-sm);
  padding: 0.55rem 0.35rem;
  font: inherit;
  font-weight: var(--pm-font-weight-bold);
  cursor: pointer;
}
.tab[aria-selected="true"] {
  background: var(--pm-primary);
  color: var(--pm-primary-text);
  border-color: transparent;
}
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  background: var(--pm-input-bg);
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius-sm);
  padding: 0.55rem 0.65rem;
}
.pm-btn-row { flex-wrap: wrap; }
code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
}

.pm-verify--ok {
  border-color: #2e7d32;
  color: #c8e6c9;
}
.pm-verify--bad {
  border-color: #c62828;
  color: #ffcdd2;
}