body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.main-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100%;
    background-color: #333;
    color: white;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
}

.main-menu .logo {
    text-align: center;
    margin-bottom: 20px;
}

.main-menu .logo img {
    width: 50px;
}

.main-menu ul {
    list-style: none;
    padding: 0;
}

.main-menu ul li {
    margin-bottom: 10px;
}

.main-menu ul li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.main-menu ul li a:hover {
    background-color: #555;
}

main {
    margin-left: 220px;
    padding: 20px;
}

header {
    display: none; /* Dölj gammal header eftersom meny är gemensam */
}

.course {
    background-color: white;
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

form {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

table th, table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}