* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #121212;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.card {
  padding: 2rem;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-width: 240px;
}

.btn {
  display: block;
  text-align: center;
  padding: 0.9rem 1.4rem;
  border: 1px solid #333;
  border-radius: 8px;
  color: #eaeaea;
  text-decoration: none;
  font-size: 1rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  background: #1f1f1f;
  border-color: #555;
}