* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
a { color: var(--info); text-decoration: none; }

#root { min-height: 100vh; display: flex; flex-direction: column; }