.nexus-contract-wrapper {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  max-width: 700px;
  margin: 30px auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nexus-contract-body {
  border: 1px solid #ddd;
  padding: 15px;
  background: #f9f9f9;
  border-radius: 6px;
  margin-bottom: 20px;
  max-height: 300px;
  overflow-y: auto;
}

.nexus-signature-section {
  margin-top: 20px;
}

#nexus-sign-result {
  margin-top: 20px;
}