/* Blog Stylesheet */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --text-color: #333;
  --background-color: #f9f9f9;
  --card-background: #ffffff;
  --border-color: #e0e0e0;
  --link-color: #3498db;
  --link-hover: #2980b9;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  padding: 20px;
}

header {
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
  padding: 30px 20px;
  background-color: var(--card-background);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
  color: var(--primary-color);
  font-size: 2.5em;
  margin-bottom: 10px;
}

header p {
  color: #7f8c8d;
  font-size: 1.1em;
}

main {
  max-width: 800px;
  margin: 0 auto;
}

article {
  background-color: var(--card-background);
  padding: 40px;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

article h1, article h2, article h3 {
  color: var(--primary-color);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

article h1 {
  font-size: 2.2em;
  margin-top: 0;
  border-bottom: 3px solid var(--secondary-color);
  padding-bottom: 10px;
}

article h2 {
  font-size: 1.8em;
}

article h3 {
  font-size: 1.4em;
}

article p {
  margin-bottom: 1em;
  text-align: justify;
}

article a {
  color: var(--link-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

article a:hover {
  color: var(--link-hover);
  border-bottom-color: var(--link-hover);
}

article ul, article ol {
  margin-left: 30px;
  margin-bottom: 1em;
}

article li {
  margin-bottom: 0.5em;
}

article code {
  background-color: #f4f4f4;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

article pre {
  background-color: #f4f4f4;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  margin-bottom: 1em;
  border-left: 4px solid var(--secondary-color);
}

article pre code {
  background-color: transparent;
  padding: 0;
}

article blockquote {
  border-left: 4px solid var(--secondary-color);
  padding-left: 20px;
  margin: 1.5em 0;
  color: #7f8c8d;
  font-style: italic;
}

article img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 1em 0;
}

.post-meta {
  color: #95a5a6;
  font-size: 0.9em;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.post-meta time {
  font-weight: bold;
}

footer {
  max-width: 800px;
  margin: 40px auto 0;
  text-align: center;
  padding: 20px;
  color: #7f8c8d;
  font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  article {
    padding: 20px;
  }

  header h1 {
    font-size: 2em;
  }

  article h1 {
    font-size: 1.8em;
  }
}