/* style.css */
body {
    font-family: Arial, sans-serif;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
}

.sidebar {
    flex: 1;
    margin-right: 20px;
}

.content {
    flex: 2;
}

.index {
    flex: 1;
    margin-left: 20px;
}

.doc-tree, .index ul {
    list-style: none;
    padding: 0;
}

.doc-tree li, .index li {
    margin-bottom: 5px;
}

input[type="search"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

.selectors select {
    margin-left: 10px;
    padding: 5px;
}