:root {
  font-family: system-ui, sans-serif;
  color: #172c2a;
  background: #f5f5ef;
}
body {
  margin: 0;
}
main {
  max-width: 850px;
  margin: 4rem auto;
  padding: 1.5rem;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.04em;
}
p {
  line-height: 1.65;
  white-space: pre-line;
}
article {
  background: white;
  border: 1px solid #d6ded6;
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
}
a {
  color: #13684e;
}
button {
  background: #13684e;
  color: white;
  border: 0;
  border-radius: 8px;
  font: inherit;
  padding: 1rem;
  cursor: pointer;
}
button:disabled {
  opacity: 0.5;
}
#status {
  color: #795227;
}