.nl-empty {
  text-align: center;
  padding: 4.5rem 1rem;
  max-width: 36rem;
  margin: 0 auto;
}
.nl-empty h1 { margin-bottom: 0.6rem; }
.nl-empty p { color: var(--nl-text-muted); margin-bottom: 1.4rem; }
.nl-404 { min-height: 50vh; display: grid; place-items: center; }