/* Común a todas las webs de muestra de Webs Express */
.demo-banner {
  background: #111827; color: #e5e7eb; text-align: center; padding: .55rem 1rem;
  font: 500 .85rem/1.4 "Segoe UI", system-ui, -apple-system, sans-serif;
}
.demo-banner a { color: #93c5fd; font-weight: 700; }
.demo-toast {
  position: fixed; left: 50%; bottom: 1.5rem; z-index: 1000; transform: translate(-50%, 200%);
  max-width: min(92vw, 460px); padding: .85rem 1.2rem; border-radius: 12px; text-align: center;
  background: #111827; color: #fff; font: 500 .92rem/1.45 "Segoe UI", system-ui, sans-serif;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .25); transition: transform .3s ease;
}
.demo-toast.show { transform: translate(-50%, 0); }