:root {
    --bg-color: #333;
    --text-color: white;
    --secondary-bg-color: #444;
    --hover-color: #555;
}

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; /* Adjusted for header */
    left: 5px;
    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; /* Adjust to header height */
}

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;
}

.contentparts {
    font-size: 15pt;
    padding-left: 30px;
    padding-right: 70px;
    margin-top: 100px;
}

.contenttitle {
    margin-left: 30px;
    font-size: 40pt;
    margin-bottom: 50px;
    text-decoration:underline;
}

a {
    color: white;
}

a:hover {
    color: lightgray;
    font-weight: bold;
}

.nalogo {
    border-style: solid;
    border-width: 3px;
    border-radius: 100px;
    border-color: var(--text-color);
}