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

        .main-content {
            padding: 30px;
        }

        .card {
            border-radius: 15px;
            transition: transform 0.2s ease;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }

        .navbar-custom {
            background: #fff;
            padding: 10px 20px;
            margin-left: 260px;
            border-bottom: 1px solid #dee2e6;
        }