body {
    font-family: "Segoe UI", Arial, sans-serif;
    background-color: #f8f9fa;
}

.sidebar {
    min-height: 100vh;
    background: #343a40;
    color: #fff;
    padding: 15px;
}

.sidebar a {
    color: #adb5bd;
    text-decoration: none;
    display: block;
    padding: 10px;
    border-radius: 5px;
}

.sidebar a:hover {
    background: #495057;
    color: #fff;
}

.content {
    padding: 20px;
}

.navbar {
    background: #ffffff;
    border-bottom: 1px solid #dee2e6;
}