.branch-preview-banner {
  position: fixed;
  z-index: 5000;
  right: 18px;
  bottom: 18px;
  max-width: calc(100vw - 36px);
  padding: 9px 14px;
  border: 2px solid #92400e;
  border-radius: 999px;
  background: #fffbeb;
  color: #78350f;
  box-shadow: 0 8px 24px rgb(120 53 15 / 20%);
  font: 800 12px/1.2 system-ui, sans-serif;
  letter-spacing: 0.04em;
  pointer-events: none;
}

@media (max-width: 640px) {
  .branch-preview-banner {
    right: 8px;
    bottom: 8px;
    max-width: calc(100vw - 16px);
    font-size: 10px;
  }
}