body {
  font-family: 'Roboto', sans-serif;
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  background: white;
  padding: 50px 20px;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  max-width: 500px;
  width: 90%;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 40px;
}

form button {
  display: block;
  width: 100%;
  padding: 15px;
  margin: 10px 0;
  font-size: 1.2rem;
  border: none;
  border-radius: 10px;
  background: #007bff;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

form button:hover {
  background: #0056b3;
}

.stats {
  margin-top: 30px;
  font-size: 0.9rem;
  color: #555;
}

#recent-times {
  list-style-type: none;
  padding: 0;
  margin-top: 10px;
}

#recent-times li {
  padding: 5px 0;
  font-size: 0.9rem;
  color: #555;
}

/* Responsive */
@media (max-width: 400px) {
  h1 {
    font-size: 1.5rem;
  }

  form button {
    font-size: 1rem;
    padding: 12px;
  }
}

canvas {
  margin-top: 20px;
}