body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#wrapper {
    display: flex;
    flex: 1;
    overflow: hidden;
}

#sidebar {
    min-width: 250px;
    max-width: 250px;
    background: #343a40;
    color: #fff;
    transition: margin-left 0.3s ease;
    margin-left: -250px;
}

    #sidebar.active {
        margin-left: 0;
    }

    #sidebar .sidebar-header {
        padding: 20px;
        background: #23272b;
    }

    #sidebar ul.components {
        padding: 20px 0;
    }

    #sidebar ul li a {
        padding: 10px 20px;
        display: block;
        color: #fff;
        text-decoration: none;
        transition: background 0.3s;
    }

        #sidebar ul li a:hover {
            background: #23272b;
        }

#content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

footer {
    background: #f8f9fa;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #dee2e6;
}