#inputAmonia .btn,
#inputGH .btn {
  flex-shrink: 0;
  white-space: nowrap;
}

form section + section {
    border-top: 1px solid #eaeaea; /* opcional, para separar visualmente */
}

.update-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;

  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);

  z-index: 9998;

  pointer-events: all; /* 🔥 ISSO bloqueia clique */
}