/* K9 Cloud Upsells — Frontend Popup */

.k9-upsell-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999999;
    justify-content: center;
    align-items: center;
    animation: k9FadeIn 0.25s ease;
}

.k9-upsell-overlay.active {
    display: flex;
}

@keyframes k9FadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes k9SlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.k9-upsell-popup {
    background: #fff;
    border-radius: 12px;
    max-width: 480px;
    width: 90%;
    padding: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: k9SlideUp 0.3s ease;
    overflow: hidden;
    position: relative;
}

/* Header */
.k9-upsell-header {
    padding: 24px 28px 12px;
    text-align: center;
}

.k9-upsell-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
}

.k9-upsell-savings-badge {
    display: block;
    font-size: 27px;
    font-weight: 700;
    background: none;
    padding: 0;
    margin: 4px 0 0;
}

/* Product image */
.k9-upsell-image {
    text-align: center;
    padding: 16px 48px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.k9-upsell-image img {
    max-width: 220px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

/* Body */
.k9-upsell-body {
    padding: 12px 28px 4px;
    text-align: center;
}

.k9-upsell-body .k9-upsell-message {
    font-size: 20px;
    line-height: 1.2;
    margin: 18px 12px 12px 12px;
}

.k9-upsell-product-name {
    font-size: 24px;
    font-weight: 600;
    margin: 4px 0;
}

.k9-upsell-pricing {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 8px 0 4px;
    font-size: 18px;
}

.k9-upsell-original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 16px;
}

.k9-upsell-new-price {
    font-weight: 700;
    font-size: 22px;
}

/* Buttons */
.k9-upsell-actions {
    padding: 12px 28px 24px;
    text-align: center;
}

.k9-upsell-accept {
    display: block;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    margin-bottom: 10px;
}

.k9-upsell-accept:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.k9-upsell-accept:active {
    transform: translateY(0);
}

.k9-upsell-accept.loading {
    opacity: 0.7;
    pointer-events: none;
}

.k9-upsell-decline {
    display: block;
    width: 100%;
    background: #cdcdcd;
    border: none;
    border-radius: 8px;
    color: #444;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    padding: 12px 24px;
    transition: background 0.2s;
}

.k9-upsell-decline:hover {
    background: #d0d0d0;
    color: #333;
}

/* Cart/checkout discount pricing */
.woocommerce-cart-form del,
.woocommerce-checkout del,
.cart_totals del {
    color: #999;
    font-size: 0.9em;
    margin-right: 4px;
}

.woocommerce-cart-form ins,
.woocommerce-checkout ins,
.cart_totals ins {
    text-decoration: none;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 520px) {
    .k9-upsell-popup {
        width: 95%;
        max-width: none;
        margin: 10px;
    }

    .k9-upsell-header h2 {
        font-size: 20px;
    }

    .k9-upsell-savings-badge {
        font-size: 26px;
    }

    .k9-upsell-image img {
        max-width: 160px;
    }

    .k9-upsell-body .k9-upsell-message {
        font-size: 16px;
    }

    .k9-upsell-accept {
        font-size: 15px;
        padding: 12px 20px;
    }
}