body {
    font-family: 'Inter', sans-serif;
    background-color: #F3F4F6;
}

.login-body {
    background-image: linear-gradient(to right, #3B82F6, #1E40AF);
}

.card-header {
    border-bottom: 0;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
    border-color: #3B82F6;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 250px;
    padding: 20px;
    background-color: #1F2937;
    color: #fff;
}

.sidebar .nav-link {
    color: #D1D5DB;
    font-weight: 500;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    color: #fff;
    background-color: #374151;
}

.main-content {
    margin-left: 250px;
    padding: 20px;
}