.mpr-coupon-popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 999999;
            justify-content: center;
            align-items: center;
        }
        
        .mpr-coupon-popup-content {
            background-color: #000000;
            padding: 30px;
            border-radius: 5px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            max-width: 500px;
            width: 90%;
            position: relative;
            text-align: center;
            color: #ffffff;
        }
        
        .mpr-coupon-popup-logo {
            margin-bottom: 20px;
            max-width: 200px;
            margin: 0 auto 20px;
        }
        
        .mpr-coupon-popup-logo img {
            max-width: 100%;
            height: auto;
        }
        
        .mpr-coupon-popup-close {
            position: absolute;
            top: 10px;
            right: 15px;
            font-size: 24px;
            cursor: pointer;
            color: #FFC108;
        }
        
        .mpr-coupon-popup-close:hover {
            color: #ffffff;
        }
        
        .mpr-coupon-popup-content h2 {
            color: #FFC108;
            font-size: 22px;
            margin-bottom: 10px;
        }
        
        .mpr-coupon-form {
            display: flex;
            margin: 20px 0;
        }
        
        #mpr-coupon-code-input {
            flex-grow: 1;
            padding: 10px;
            border: 1px solid #333;
            border-radius: 4px 0 0 4px;
            background-color: #222;
            color: #fff;
        }
        
        #mpr-apply-coupon-btn {
            background-color: #FFC108;
            color: #000000;
            border: none;
            padding: 10px 15px;
            cursor: pointer;
            border-radius: 0 4px 4px 0;
            font-weight: bold;
        }
        
        #mpr-apply-coupon-btn:hover {
            background-color: #ffcc3d;
        }
        
        .mpr-coupon-message {
            margin-top: 15px;
        }
        
        .coupon-success {
            color: #FFC108;
        }
        
        .coupon-error {
            color: #ff6b6b;
        }