.lock {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}
.lock-title { margin: 0 0 var(--pad); color: var(--muted); }
.lock-form { width: 100%; max-width: 280px; }
.lock .field input { text-align: center; letter-spacing: .3em; }
.lock-error { text-align: center; }