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

body {
  margin: 0;
  min-height: 100vh;
  background: #f6f7f9;
  color: #18212f;
}

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}