* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f4f6f9;
  color: #222;
}

button {
  cursor: pointer;
}

.modal {
  display: none;
}

.modal.is-active {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.modal-card {
  width: 90%;
  max-width: 400px;
  background: white;
  border-radius: 12px;
  overflow: hidden;
}