body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #1e1e1e;
  color: #f0f0f0;
}

.container {
  display: flex;
  height: 100vh;
}

.left-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #333;
  background: #2a2a2a;
}

.card-display {
  flex: 8;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 20px;
}

.render-block {
  width: 45%;
  text-align: center;
}

.card {
  border: 2px solid #555;
  padding: 20px;
  height: 200px;
  background-color: #3a3a3a;
  border-radius: 0;
}

.download-links {
  flex: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  border-top: 1px solid #333;
  background-color: #1f1f1f;
}

.download-links a {
  text-decoration: none;
  color: #40c4ff;
  font-weight: bold;
}

.right-panel {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background-color: #252525;
}

.template-selector select {
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border-radius: 0;
  border: 1px solid #555;
  background-color: #333;
  color: #f0f0f0;
}

.property-editor label {
  display: block;
  margin: 10px 0 5px;
}

.property-editor input,
.property-editor textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #666;
  background-color: #2a2a2a;
  color: #fff;
}