/* simple defaults (no Tailwind) */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body,
#root {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: #f7fafc;
  color: #0f172a;
  line-height: 1.4;
}