body {
    background-color: #f8f9fa;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    padding: 20px;
    background-color: #ffffff;
    border-right: 1px solid #dee2e6;
}

.main-content {
    margin-left: 280px;
    padding: 20px;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d6efd, #6f42c1);
}