#office-update {
  position: fixed;
  z-index: 15000;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(460px, calc(100vw - 32px));
  padding: 12px 14px;
  box-sizing: border-box;
  border: 1px solid #d4e2df;
  border-radius: 12px;
  background: #fff;
  color: #253e3a;
  box-shadow: 0 5px 24px #173c3026;
  font: 13px/1.4 system-ui, sans-serif;
}
#office-update button {
  flex-shrink: 0;
  padding: 8px 12px;
  border: 0;
  border-radius: 7px;
  background: #27614f;
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
#office-update button:focus-visible { outline: 3px solid #85b7a7; outline-offset: 3px; }
@media (max-width: 480px) {
  #office-update { right: 10px; bottom: 10px; max-width: calc(100vw - 20px); gap: 8px; }
}