.demo-banner {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: linear-gradient(90deg, #1c2340 0%, #2d3073 55%, #3e3b8c 100%);
  color: #f4f7fb;
  font-size: 0.8125rem;
  line-height: 1.35;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 200;
}

.demo-banner i {
  color: #f5c542;
}

.demo-banner span {
  flex: 1;
  min-width: 0;
}

.demo-banner button {
  flex-shrink: 0;
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.demo-banner button:hover {
  background: rgba(255, 255, 255, 0.18);
}