.app {
  height: 100dvh;
  max-width: 48rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-content {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: calc(6rem + env(safe-area-inset-bottom));
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}