.av18-age-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  padding: 16px;
}
.av18-age-modal-content {
  background: #ffffff;
  padding: 28px 24px;
  border-radius: 14px;
  text-align: center;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
.av18-age-modal-content h2 {
  margin: 0 0 8px 0;
  font-size: 22px;
}
.av18-age-modal-content p {
  margin: 0 0 16px 0;
  line-height: 1.5;
  font-size: 15px;
}
.av18-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.av18-btn {
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  cursor: pointer;
  font-size: 16px;
}
.av18-btn-yes { background: #28a745; color: #fff; }
.av18-btn-no { background: #dc3545; color: #fff; }
.av18-age-modal[aria-hidden="false"] { display: flex; }