body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
}
.container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}
.sidebar {
    width: 250px;
    background: #f4f4f4;
    padding: 20px;
    border-right: 1px solid #ddd;
}
.sidebar h2 {
    font-size: 1.5em;
    margin-bottom: 20px;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar ul li {
    margin: 10px 0;
}
.sidebar ul li a {
    text-decoration: none;
    color: #333;
}
.sidebar ul li a:hover {
    color: #007bff;
}
.search {
    margin-top: 20px;
}
.search input {
    width: 70%;
    padding: 5px;
}
.search button {
    padding: 5px 10px;
}
main {
    flex: 1;
    padding: 20px;
}
section {
    margin-bottom: 40px;
}
h1 {
    font-size: 1.8em;
}
h2 {
    font-size: 1.4em;
}
p {
    line-height: 1.6;
}
code, pre {
    background: #f8f8f8;
    padding: 2px 5px;
    border-radius: 3px;
}
pre {
    padding: 10px;
}
input {
    padding: 5px;
    margin-right: 10px;
}
button {
    padding: 5px 10px;
    cursor: pointer;
}
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
    }
}