@keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .traveler-card {
            animation: slideDown 0.3s ease-out;
        }

        input:invalid,
        select:invalid,
        textarea:invalid {
            border-color: #0ea5e9 !important;
        }

        input:valid,
        select:valid,
        textarea:valid {
            border-color: #0ea5e9 !important;
        }

        .form-error {
            color: #26acdc;
            font-size: 0.875rem;
            margin-top: 0.25rem;
        }