/* Base styles */
body {
  font-family: 'Georgia', serif;
  background-color: #f8f9fa;
  color: #202122;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/* Page container */
#content {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}

/* Sidebar styles */
#sidebar {
  width: 200px;
  background-color: #ffffff;
  border-right: 1px solid #a2a9b1;
  padding: 1em;
  box-sizing: border-box;
}

#sidebar h2 {
  font-size: 1.2em;
  margin-bottom: 0.5em;
}

#sidebar ul {
  list-style-type: none;
  padding-left: 0;
}

#sidebar li {
  margin-bottom: 0.5em;
}

/* Main content styles */
#main {
  flex-grow: 1;
  padding: 2em;
  background-color: #ffffff;
  box-sizing: border-box;
}

/* Headings */
h1 {
  font-size: 2em;
  border-bottom: 1px solid #a2a9b1;
  padding-bottom: 0.3em;
  margin-top: 0;
}

h2 {
  font-size: 1.5em;
  margin-top: 1.5em;
  border-bottom: 1px solid #c8ccd1;
  padding-bottom: 0.2em;
}

/* Infobox styles */
.infobox {
  float: right;
  width: 250px;
  border: 1px solid #a2a9b1;
  background-color: #f8f9fa;
  margin: 0 0 1em 1em;
  font-size: 0.9em;
}

.infobox th {
  background-color: #cedff2;
  text-align: center;
  font-weight: bold;
  padding: 0.4em;
}

.infobox td {
  padding: 0.3em;
  border-top: 1px solid #a2a9b1;
}

.infobox img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

.infobox .caption {
  font-size: 0.85em;
  text-align: center;
  margin-top: 0.5em;
  color: #54595d;
}

/* Links */
a {
  color: #3366cc;
  text-decoration: none;
}

a:visited {
  color: #6b4ba1;
}

a:hover {
  text-decoration: underline;
}

/* Categories section */
#categories {
  border-top: 1px solid #a2a9b1;
  margin-top: 2em;
  padding-top: 1em;
  font-size: 0.9em;
}

#categories ul {
  list-style-type: none;
  padding-left: 0;
}

#categories li {
  margin-bottom: 0.3em;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
  #content {
    flex-direction: column;
  }

  #sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #a2a9b1;
  }

  .infobox {
    float: none;
    margin: 1em auto;
  }
}