* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #000000);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  padding: 24px;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 1rem;
  color: var(--tg-theme-hint-color, #888888);
}