.message-modal__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 24px;
}

.message-modal__container {
  position: relative;
  width: 100%;
  max-width: 420px;
  background-color: var(--ib-surface-card);
  border-radius: var(--ib-radius-lg);
  padding: 32px 28px;
  box-shadow: var(--ib-shadow-xl);
  text-align: center;
  border: 1px solid var(--ib-outline-light);
  animation: message-modal-pop 0.3s ease;
}

.message-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background-color: var(--ib-surface-hover);
  color: var(--ib-on-surface-muted);
  font-size: 18px;
  cursor: pointer;
  transition: background-color var(--ib-transition), color var(--ib-transition);
}

.message-modal__close:hover {
  background-color: var(--ib-outline-light);
  color: var(--ib-on-surface);
}

.message-modal__title {
  margin: 0 0 12px 0;
  font-size: var(--ib-text-xl);
  font-weight: 800;
  color: var(--ib-on-surface);
  letter-spacing: -0.02em;
}

.message-modal__message {
  margin: 0 0 26px 0;
  font-size: var(--ib-text-md);
  line-height: 1.6;
  color: var(--ib-on-surface-muted);
}

.message-modal__actions {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.message-modal__button {
  width: 100%;
  padding: 12px 18px;
  border: none;
  border-radius: var(--ib-radius-sm);
  color: #ffffff;
  font-size: var(--ib-text-md);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--ib-transition), box-shadow var(--ib-transition);
}

.message-modal__button:hover {
  transform: translateY(-1px);
}

@keyframes message-modal-pop {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .message-modal__container { animation: none; }
}