/* Reset and base styles */
* {
  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: #333;
  background: #f5f5f5;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  min-height: calc(100vh - 200px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  color: #1a1a2e;
}

h1 {
  font-size: 2.5rem;
  border-bottom: 3px solid #ffd700;
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 0.3rem;
}

h3 {
  font-size: 1.5rem;
  color: #16213e;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: #004499;
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Code blocks */
pre {
  background: #1a1a2e;
  color: #e0e0e0;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1rem 0;
}

code {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

:not(pre) > code {
  background: #e0e0e0;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  color: #d63384;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
}

th {
  background: #1a1a2e;
  color: white;
  font-weight: 600;
}

tr:hover {
  background: #f9f9f9;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid #ffd700;
  padding-left: 1rem;
  margin: 1rem 0;
  color: #555;
  font-style: italic;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}

/* Article styles */
article {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

article img {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Callout boxes */
.tip, .warning, .info {
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  border-left: 4px solid;
}

.tip {
  background: #d4edda;
  border-color: #28a745;
  color: #155724;
}

.warning {
  background: #fff3cd;
  border-color: #ffc107;
  color: #856404;
}

.info {
  background: #d1ecf1;
  border-color: #17a2b8;
  color: #0c5460;
}

/* Strong text for emphasis */
strong {
  color: #1a1a2e;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  main {
    padding: 1rem;
  }

  article {
    padding: 1rem;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.5rem;
  }
}