#avm-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
#avm-modal {
  background: #fff;
  padding: 2rem;
  max-width: 400px;
  text-align: center;
  border-radius: 6px;
}
#avm-modal h2 {
  margin-bottom: 1rem;
}
.avm-button {
  padding: 0.75rem 1.5rem;
  margin: 0.5rem;
  border: 0;
  cursor: pointer;
  font-size: 1rem;
}
#avm-over18 { background: #333; color: #fff; }
#avm-exit   { background: #f5f5f5; color: #333; }
#avm-terms-wrapper {
  margin-top: 1rem;
  text-align: left;
}
#avm-terms-wrapper input[type="checkbox"] {
  margin-right: 0.5rem;
}
#avm-terms-wrapper a {
  text-decoration: underline;
}