.show-notification {
  position: fixed;
  top: 20px;
  right: calc((100vw - 480px) / 2);
  width: 100%;
  max-width: 260px;
  margin-right: 10px;
  background: linear-gradient(126deg, rgba(16, 27, 85, 0.9), rgba(32, 58, 193, 0.9));
  background-size: 300% 300%;
  animation: gradient-shift 4s ease infinite;
  color: #fff;
  padding: 8px 12px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  z-index: 100001;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  font-weight: 300;
  font-size: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(-30px);
}
  
  .show-notification.show {
    opacity: 1;
    transform: translateY(0);
  }
  
  .show-notification::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.2),
      rgba(255, 255, 255, 0.1)
    );
    pointer-events: none;
    animation: shimmer 2.5s linear infinite;
    opacity: 0.3;
    z-index: 0; /* Garante que fique atrás */
  }
  
  .show-notification::after {
    content: "\f0f3"; /* Ícone de sino */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 15px;
    opacity: 0.7;
    position: relative;
    z-index: 1;
    margin-right: 8px;
    order: -1; /* 👉 Garante que ele venha antes dos outros elementos */
  }
  
  
  
  .show-notification .close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    margin-left: auto;
  }
  .show-notification .close-btn:hover {
    opacity: 1;
  }
  
  @keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  @keyframes shimmer {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
  }
  
  @media (prefers-color-scheme: light) {
    .show-notification {
      background: linear-gradient(126deg, rgba(32, 58, 193, 0.9), rgba(67, 97, 238, 0.9));
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
  }
  
  /* Responsividade para telas < 400px */
/* Responsividade para telas < 400px */
@media screen and (max-width: 400px) {
  .show-notification {
    position: fixed;
    top: 20px;
    right: 0;               /* adiciona */
    width: 100%;
    max-width: 260px;
    margin-right: 10px;
    background: linear-gradient(126deg, rgba(16, 27, 85, 0.9), rgba(32, 58, 193, 0.9));
    background-size: 300% 300%;
    animation: gradient-shift 4s ease infinite;
    color: #fff;
    padding: 8px 12px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
    z-index: 100001;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    font-weight: 300;
    font-size: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateY(-30px);
  }
}