:root {
  --accent: #2563eb;
}

html,
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI',
               Roboto, 'Helvetica Neue', Arial;
}

#floating-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 50;
}