/* /css/facebook-modal.css */
  .fb-invite-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10050;
    padding: 16px;
  }

  .fb-invite-overlay.is-open { display: flex; }

  .fb-invite-modal {
    width: min(520px, 96vw);
    background: #fff;
    border-radius: 16px;
    padding: 18px 18px 16px;
    box-shadow: 0 18px 60px rgba(0,0,0,.25);
    position: relative;
  }

  .fb-invite-close {
    position: absolute;
    top: 10px;
    right: 12px;
    border: none;
    background: transparent;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    opacity: .7;
  }
  .fb-invite-close:hover { opacity: 1; }

  .fb-invite-header {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 14px;
  }

  .fb-invite-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(24,119,242,.12);
    color: #1877f2;
    font-size: 22px;
    flex: 0 0 auto;
  }

  .fb-invite-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: #111827;
  }

  .fb-invite-subtitle {
    margin: 4px 0 0 0;
    font-size: 14px;
    color: #6b7280;
    line-height: 1.4;
  }

  .fb-invite-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-top: 12px;
  }

  .fb-invite-btn {
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
  }
  .fb-invite-btn:hover { background: #f9fafb; }

  .fb-invite-primary {
    background: #1877f2;
    border-color: #1877f2;
    color: #fff;
  }
  .fb-invite-primary:hover { filter: brightness(.95); }

  .fb-invite-danger {
    border-color: #fecaca;
    color: #991b1b;
    background: #fff;
  }
  .fb-invite-danger:hover { background: #fef2f2; }

  @media (max-width: 480px) {
    .fb-invite-actions { justify-content: stretch; }
    .fb-invite-btn { width: 100%; }
  }