.article-content {
  font-family: "Georgia", serif;
  line-height: 1.6;
  color: #333;
  background-color: white;
  padding: 40px;
  padding-top: 10px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  box-shadow: 0 0px 0px rgba(0, 0, 0, 0.1);
}

.article-content h2 {
  color: #34495e;
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 1.8em;
  text-align: left;
}

.article-content p {
  margin-bottom: 15px;
  text-align: justify;
}

.article-content .dataset-link {
  background-color: #ecf0f1;
  padding: 15px;
  border-left: 4px solid #3498db;
  margin: 20px 0;
  border-radius: 0 5px 5px 0;
}

.article-content .dataset-link a {
  color: #2980b9;
  text-decoration: none;
  font-weight: bold;
}

.article-content .dataset-link a:hover {
  text-decoration: underline;
}

.article-content .code-block {
  background-color: #2d3748;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
  font-family: "Courier New", monospace;
  font-size: 14px;
  overflow-x: auto;
  position: relative;
}

.article-content .code-block::before {
  content: "Input";
  position: absolute;
  top: 5px;
  right: 10px;
  font-size: 12px;
  color: #a0aec0;
  font-weight: bold;
}

.article-content .keyword {
  color: #9f7efe;
  font-weight: bold;
}

.article-content .string {
  color: #68d391;
}

.article-content .comment {
  color: #68d391;
  font-style: italic;
}

.article-content .function {
  color: #63b3ed;
}

.article-content .highlight {
  background-color: #fff3cd;
  padding: 15px;
  border: 1px solid #ffeaa7;
  border-radius: 5px;
  margin: 20px 0;
  margin-top: 15px;
}

.article-content .section {
  margin: 30px 0;
}

.article-content .intro {
  font-size: 1.1em;
  color: #2c3e50;
  font-weight: 500;
}

.article-content .output-block {
  background-color: #3c4a5c;
  padding: 15px;
  border-radius: 5px;
  margin: 20px 0;
  font-family: "Courier New", monospace;
  font-size: 14px;
  color: #e2e8f0;
  overflow-x: auto;
  position: relative;
  border: 1px solid #1a202c; /* darker for contrast */
}

.article-content .output-block::before {
  content: "Output";
  position: absolute;
  top: 5px;
  right: 10px;
  font-size: 12px;
  color: #a0aec0;
  font-weight: bold;
}

/* Responsive images inside output block */
.article-content .output-block img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-top: 15px;
  border-radius: 5px;
}