* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  font-family: Inter, system-ui, sans-serif; background: #f7f7fb; color: #111;
}
.page { text-align: center; padding: 2rem; max-width: 420px; }
.btn {
  border: none; border-radius: 12px; padding: 14px 28px; font-size: 16px; font-weight: 600;
  background: #5B41F5; color: #fff; cursor: pointer;
}
.btn:hover { background: #4a34d9; }
p { color: #666; }