@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&display=swap');

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #1d976c, #93f9b9);
  font-family: 'Montserrat', sans-serif;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

.container {
  max-width: 700px;
  background: rgba(0, 0, 0, 0.2);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.config {
  margin-bottom: 20px;
  font-size: 1.1rem;
  text-align: left;
  background: rgba(255,255,255,0.1);
  padding: 15px;
  border-radius: 12px;
}

.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 20px;
  margin: 10px;
  flex: 1 1 200px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.card h2 {
  font-size: 2.5rem;
  color: #ffeb3b;
}

.rewards h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

#milestones {
  list-style: none;
  padding: 0;
}

#milestones li {
  padding: 10px;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.1);
  margin: 5px 0;
  transition: background-color 0.3s ease;
}

#milestones li.achieved {
  background-color: #ffe082;
  color: #000;
  font-weight: bold;
}