.flash-messages {
  position: fixed;
  top: var(--spacing-unit);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 90%;
  max-width: 600px;
}

.flash {
  margin-bottom: var(--spacing-unit);
  padding: 1rem;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
  animation: slide-down 0.3s ease-out;
}

.flash-notice {
  background-color: #48BB78;
  color: white;
}

.flash-alert {
  background-color: #F56565;
  color: white;
}

@keyframes slide-down {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .flash {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
}