:root {
  color-scheme: light dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
  background: #f7faf7;
  color: #1f2933;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  color: #2e7d32;
}

a {
  color: #2e7d32;
}

.card {
  background: #ffffff;
  border: 1px solid #dfe7df;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
}

.button {
  display: inline-block;
  background: #2e7d32;
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.muted {
  color: #52606d;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #121212;
    color: #e5e7eb;
  }

  .card {
    background: #1e1e1e;
    border-color: #3b463b;
  }

  h1,
  a {
    color: #66bb6a;
  }

  .muted {
    color: #aab4be;
  }
}