:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f7f4;
  color: #202124;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

main {
  width: min(720px, calc(100vw - 32px));
}

h1 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: 0;
}

p {
  margin: 0 0 20px;
  color: #5c5f66;
  line-height: 1.7;
}

form {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

input,
button,
pre {
  border: 1px solid #d8d9d4;
  border-radius: 8px;
  font: inherit;
}

input {
  min-width: 0;
  flex: 1;
  padding: 12px 14px;
  background: #ffffff;
  color: inherit;
}

button {
  padding: 12px 18px;
  background: #1f6f5b;
  color: #ffffff;
  cursor: pointer;
}

pre {
  min-height: 120px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  background: #ffffff;
  white-space: pre-wrap;
}

@media (max-width: 560px) {
  form {
    flex-direction: column;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #151716;
    color: #f2f4f1;
  }

  p {
    color: #b7bbb4;
  }

  input,
  pre {
    background: #202421;
    border-color: #363c37;
  }
}