.amazonpay-area {
    margin: 28px 0;
    padding: 24px 20px;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    text-align: center;
}

.amazonpay-area .amazonpay-button-wrap {
    display: block;
    width: 600px;
    max-width: 100%;
    margin: 0 auto;
    min-height: 70px;
}

.amazonpay-area .amazonpay-or {
    margin: 16px 0 0 0;
    font-size: 1rem;
    font-weight: 700;
    color: #d9534f;
}

#AmazonPayExamButton,
#AmazonPayCertButton {
    width: 600px !important;
    height: 70px !important;
    max-width: 100% !important;
    margin: 0 auto;
}

@media screen and (max-width: 610px) {
    .amazonpay-area {
        padding: 20px 16px;
    }

    .amazonpay-area .amazonpay-button-wrap,
    #AmazonPayExamButton,
    #AmazonPayCertButton {
        width: 90% !important;
    }
}

.amazonpay-loading {
    padding: 24px;
    text-align: center;
    color: #666;
    font-size: 0.875rem;
}

.amazonpay-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 2px solid #ccc;
    border-top-color: #ff9900;
    border-radius: 50%;
    vertical-align: middle;
    animation: amazonpay-spin 0.8s linear infinite;
}

@keyframes amazonpay-spin {
    to { transform: rotate(360deg); }
}

.amazonpay-buyer-details {
    padding: 0;
}

.amazonpay-action-bar {
    margin-top: 16px;
    padding-top: 8px;
    padding-bottom: 24px;
    text-align: center;
}

@media screen and (max-width: 480px) {
    .amazonpay-action-bar {
        margin-top: 8px;
        padding-top: 8px;
        padding-bottom: 16px;
    }

    .amazonpay-change-btn {
        padding: 8px 20px;
        min-width: 140px;
        font-size: 0.9rem;
    }
}

.amazonpay-change-btn {
    display: inline-block;
    padding: 14px 40px;
    min-width: 240px;
    background: #ff9900;
    color: #fff;
    border: 1px solid #e68a00;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    line-height: 1.4;
    transition: background-color 0.15s ease-in-out;
}

.amazonpay-change-btn:hover,
.amazonpay-change-btn:visited,
.amazonpay-change-btn:active {
    color: #fff;
    text-decoration: none;
}

.amazonpay-change-btn:hover {
    background: #e68a00;
}

.amazonpay-coupon-card {
    border: none;
    background: #f5faf5;
    box-shadow: none;
}

.amazonpay-coupon-card .exam-card-body,
.amazonpay-coupon-card .cert-select-info {
    padding: 16px 20px;
}

.amazonpay-coupon-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.amazonpay-coupon-label {
    color: #28a745;
    font-weight: 600;
}

.amazonpay-coupon-discount {
    color: #d9534f;
    font-weight: 700;
    font-size: 1.1rem;
}

#amazonpay-error {
    color: #d9534f;
    padding: 12px;
    margin-top: 16px;
    background: #fdf2f2;
    border: 1px solid #d9534f;
    border-radius: 4px;
    font-size: 0.875rem;
    line-height: 1.5;
}