:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #222;
  background: #f8f9fa;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  background: white;
  padding: 2.5rem 3rem;
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(30, 50, 90, 0.12);
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin: 0 0 1.5rem;
}

.counter-value {
  font-size: 3.5rem;
  margin: 0 0 1.5rem;
  font-variant-numeric: tabular-nums;
}

button {
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 999px;
  background: #0070f3;
  color: white;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  button:hover {
    background: #005ac1;
  }
}

button,
a,
input,
textarea,
select,
label,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}