:root {
    --bg-color: #333;
    --text-color: white;
    --secondary-bg-color: #444;
    --hover-color: #555;
    --code-bg-color: rgb(131, 131, 131);
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    background-color: var(--bg-color);
    color: var(--text-color);
}

nav {
    width: 250px;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: calc(100vh - 80px);
    position: fixed;
    top: 100px;
    left: 0;
    display: flex;
    flex-direction: column;
    border-right: 2px solid var(--secondary-bg-color);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    position: relative;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 15px;
    display: block;
    border-bottom: 1px solid var(--secondary-bg-color);
}

nav a:hover {
    background-color: var(--hover-color);
}

nav ul ul {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background-color: var(--secondary-bg-color);
    width: 200px;
}

nav li:hover>ul {
    display: block;
}

nav ul ul a {
    border-bottom: 1px solid var(--hover-color);
}

.content {
    margin-left: 250px;
    padding: 20px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 80px;
}

header {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    border-bottom: 2px solid var(--secondary-bg-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
}

header img {
    height: 40px;
    margin-right: 20px;
}

.content main {
    margin-top: 80px;
    /* Header größe */
}

footer {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 10px;
    text-align: center;
    border-top: 1px solid var(--secondary-bg-color);
}

.theme-switch {
    position: fixed;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.theme-switch img {
    width: 30px;
    height: 30px;
}

body.light-mode {
    --bg-color: #f4f4f4;
    --text-color: #333;
    --secondary-bg-color: #ddd;
    --hover-color: #bbb;
    --code-bg-color: lightgray;
}

.contentparts {
    margin-top: 50px;
}

.code {
    background-color: var(--code-bg-color);
    color: black;
}

.split {
    display: flex;
    justify-content: space-between;
}

.example {
    width: 500px;
    background-color: white;
    margin: 50px;
    margin-top: 100px;
    border-width: 6px;
    border-color: black;
    border-style: solid;
}