/* Compact, safe-area-aware announcement dialog for mobile devices. */
@media (max-width: 520px) {
  .modal-backdrop {
    padding: max(14px, env(safe-area-inset-top)) 12px
      max(14px, env(safe-area-inset-bottom));
    align-items: center;
  }

  .announcement-modal {
    width: min(100%, 430px);
    max-height: calc(100vh - 32px);
    max-height: min(82dvh, 680px);
    border-radius: 16px;
  }

  .modal-header {
    flex: 0 0 auto;
    grid-template-columns: 34px minmax(0, 1fr) 32px;
    gap: 9px;
    padding: 11px 12px;
  }

  .modal-symbol {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }

  .modal-header h2 {
    font-size: 15px;
  }

  .modal-header p {
    font-size: 10px;
  }

  .modal-close {
    width: 32px;
    height: 32px;
    font-size: 17px;
  }

  .modal-body {
    min-height: 0;
    padding: 8px 10px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .notice-item {
    padding: 10px 12px;
  }

  .rich-text {
    font-size: 12px;
    line-height: 1.62;
  }

  .modal-footer {
    flex: 0 0 auto;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .remember-notice {
    flex: 1 1 auto;
    font-size: 10.5px;
    line-height: 1.35;
  }

  .remember-notice-box {
    width: 17px;
    height: 17px;
    flex-basis: 17px;
  }

  .modal-footer .button {
    min-height: 40px;
    padding: 0 15px;
    flex: 0 0 auto;
    align-self: auto;
  }
}