body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 20px;
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: #fff;
  padding: 20px;
  width: 90%;

  max-width: 300px;
  border-radius: 10px;
  box-shadow: 0 3px 5px rgba(0,0,0,0.1);
  text-align: center;
}

h2 {
  margin-bottom: 10px;
  color: #1e293b;
}

.desc {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 15px;
}

#yodraw_license_key {
  width: 90%;
  padding: 10px;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 6px;
  margin-bottom: 12px;
  text-align: center;
}

.btn {
  background: #667eea;
  color: white;
  border: 2px solid #667eea;
  border-radius: 6px;
  padding: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 97%;
}

.btn:hover {
  background: #5568d3;
}

.status {
  margin-top: 10px;
  font-size: 0.9rem;
  min-height: 18px;
}

.buy-box {
  margin-top: 20px;
  font-size: 0.85rem;
  color: #444;
}

.buy-btn {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 16px;
  background: #10b981;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.buy-btn:hover {
  background: #059669;
}