.environment-banner {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2147483647;
  width: 10rem;
  height: 10rem;
  overflow: hidden;
  pointer-events: none;
}

.environment-banner span {
  position: absolute;
  top: 2.75rem;
  left: -3rem;
  width: 14rem;
  padding: 0.5rem 0;
  transform: rotate(-45deg);
  background: #7c3aed;
  color: #fff;
  font: 700 0.7rem/1 sans-serif;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}