#update-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--n1-bg);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  z-index: 9999;
  white-space: nowrap;
}
#update-reload-btn {
  background: rgba(255,255,255,0.25);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 6px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  cursor: pointer;
  transition: background 0.12s;
}
#update-reload-btn:hover { background: rgba(255,255,255,0.4); }