/* Public demo banner — only on the sandbox stack */
.demo-banner {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(90deg, rgba(180, 140, 255, 0.18), rgba(155, 226, 143, 0.10));
  border-bottom: 1px solid rgba(180, 140, 255, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.demo-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text, #eee8ff);
}
.demo-banner strong {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b48cff;
  background: rgba(180, 140, 255, 0.14);
  border: 1px solid rgba(180, 140, 255, 0.35);
  border-radius: 999px;
  padding: 3px 9px;
}
.demo-banner span {
  color: var(--muted, #aaa4c6);
}
.demo-banner a {
  color: #9be28f;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.demo-banner a:hover {
  color: #c6f5bd;
  text-decoration: underline;
}
.demo-banner-sep {
  opacity: 0.45;
}
@media (max-width: 640px) {
  .demo-banner-inner {
    padding: 10px 14px;
  }
}