/* --- OTP Code Row --- */
        .form-group.otp-row {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .form-group.otp-row .form-input[name="otp_code"] {
            flex: 1;
            min-width: 0;
        }

        #btnGetCode {
            flex-shrink: 0;
            width: 110px;
            padding: 8px 0;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background-color: #037228;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            transition: background-color 0.2s ease, opacity 0.2s ease;
        }

        #btnGetCode:hover {
            background-color: #037228;
        }

        #btnGetCode:disabled {
            background-color: #037228;
            cursor: not-allowed;
            opacity: 0.7;
        }

        /* --- OTP Message States --- */
        #otpMessage {
            margin-bottom: 12px;
            padding: 10px 14px;
            font-size: 13px;
            border-radius: 4px;
        }

        #otpMessage.otpMessage-default {
            color: #856404;
            background-color: #fff3cd;
            border: 1px solid #ffeeba;
        }

        #otpMessage.alert-success {
            color: #155724;
            background-color: #d4edda;
            border: 1px solid #c3e6cb;
        }

        #otpMessage.alert-danger {
            color: #721c24;
            background-color: #f8d7da;
            border: 1px solid #f5c6cb;
        }