body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .register-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            padding: 2.5rem;
            width: 100%;
            max-width: 500px;
            max-height: 90vh;
            overflow-y: auto;
        }
        .icon-circle {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
        }
        .register-card h2 {
            color: #667eea;
            font-weight: 700;
        }
        .register-card .form-control:focus,
        .register-card .form-select:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
        }
        .register-card .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            padding: 12px;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .register-card .btn-primary:hover {
            background: linear-gradient(135deg, #5568d3 0%, #65398b 100%);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        .password-requirements {
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }
        .password-requirements li {
            list-style: none;
            padding: 0.2rem 0;
        }
        .text-success-custom { color: #28a745; }
        .text-muted-custom { color: #6c757d; }
        .register-card::-webkit-scrollbar { width: 8px; }
        .register-card::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; }
        .register-card::-webkit-scrollbar-thumb { background: #667eea; border-radius: 10px; }
        .register-card::-webkit-scrollbar-thumb:hover { background: #764ba2; }