.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  position: relative;
  text-align: left;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}