        /* General Styles */
        body {
            background: linear-gradient(135deg, #f0f4f8 0%, #d9e4f5 100%);
            transition: all 0.3s ease;
            background-size: 200% 200%;
            animation: gradient 15s ease infinite;
        }

        /* Dynamic Background Animation */
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* Register Form */
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: transform 0.3s ease;
        }
        .card:hover {
            transform: translateY(-5px);
        }
        .card-body {
            padding: 2rem;
        }
        .form-label {
            font-weight: 500;
        }
        .form-control {
            border-radius: 10px;
            border-color: #ced4da;
            transition: all 0.3s ease;
        }
        .form-control:focus {
            box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
            border-color: #007bff;
        }
        .btn-dark {
            background: linear-gradient(90deg, #343a40, #6c757d);
            border: none;
            border-radius: 10px;
            padding: 10px;
            font-weight: 500;
            color: #fff;
            transition: all 0.3s ease;
        }
        .btn-dark:hover {
            background: linear-gradient(90deg, #23272b, #495057);
            color: #fff;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        .text-dark:hover {
            color: #007bff !important;
        }

        /* Alert */
        .alert {
            border-left: 4px solid #dc3545;
            border-radius: 5px;
            padding: 10px;
        }
        .alert-success {
            border-left-color: #28a745;
            background-color: #e9f7ea;
            color: #155724;
        }

        /* Animation */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .card {
            animation: fadeIn 0.5s ease-in-out;
        }