body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f7f9fc;
    color: #333;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 230px;
    height: 100vh;
    background-color: #1e293b;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sidebar h2 {
    text-align: center;
    padding: 20px;
    background-color: #334155;
    margin: 0;
}

.sidebar a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    transition: background 0.3s;
}

.sidebar a:hover {
    background-color: #475569;
}

.content {
    margin-left: 230px;
    padding: 20px;
}

footer {
    background-color: #334155;
    color: white;
    text-align: center;
    padding: 10px;
}

.menu-group {
    margin-top: 20px;
}

.menu-title {
    margin: 10px 0 5px 15px;
    font-weight: bold;
    font-size: 14px;
    color: #ccc;
}

.sidebar a {
    display: block;
    padding: 10px 15px;
    color: white;
    text-decoration: none;
}

.sidebar a:hover {
    background-color: #444;
}