:root {
  color-scheme: light dark;
  --background: #ffffff;
  --text: #111111;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  text-align: center;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1rem, 2.5vw, 1.375rem);
  font-weight: 500;
  line-height: 1.2;
}

.answer {
  margin: 0;
  font-size: clamp(9rem, 42vw, 34rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.78;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0d0d0d;
    --text: #f5f5f2;
  }
}