.app-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.45);
}

.app-modal-backdrop.is-open {
  display: flex;
}

.app-modal {
  width: min(100%, 40rem);
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-lg);
  overflow: hidden;
}

.app-modal__header,
.app-modal__footer {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--app-border);
}

.app-modal__footer {
  border-top: 1px solid var(--app-border);
  border-bottom: 0;
  background: var(--app-surface-raised);
}

.app-modal__body {
  padding: 1rem;
}