/* iheart Cart Styles */
.iheart-upsell-cart {
    margin: 20px 0;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    position: relative;
}

.iheart-upsell-cart.updating {
    opacity: 0.6;
    pointer-events: none;
}

.iheart-upsell-cart.updating::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: iheart-spin 1s linear infinite;
}

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

.iheart-upsell-cart h3 {
    margin: 0 0 15px 0;
    font-size: 1.2em;
    color: #333;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 8px;
    display: flex;
    align-items: center;
}

.iheart-upsell-cart h3::before {
    content: '\f487';
    font-family: 'dashicons';
    margin-right: 8px;
    color: #e74c3c;
}

.iheart-upsell-option {
    margin: 12px 0;
    padding: 12px;
    background: #fff;
    border: 1px solid #e1e1e1;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.iheart-upsell-option:hover {
    border-color: #e74c3c;
    box-shadow: 0 2px 4px rgba(231, 76, 60, 0.1);
}

.iheart-upsell-option label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
    font-weight: normal;
}

.iheart-upsell-option input[type="checkbox"] {
    margin: 0 10px 0 0;
    transform: scale(1.2);
}

.iheart-download-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.iheart-upsell-option:hover .iheart-download-icon {
    opacity: 1;
}

.iheart-upsell-text {
    flex: 1;
    line-height: 1.4;
}

.iheart-upsell-text strong {
    color: #e74c3c;
}

/* Bulk Discount Styles */
.iheart-bulk-discount-info {
    margin: 15px 0;
    padding: 12px 15px;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff;
    border-radius: 4px;
    text-align: center;
}

.iheart-bulk-discount-text {
    margin: 0;
    font-weight: 600;
    font-size: 1.1em;
}

.iheart-bulk-discount-badge {
    margin: 8px 0;
}

.iheart-bulk-badge {
    display: inline-block;
    background: #e74c3c;
    color: #fff;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Notice Styles */
.iheart-notice {
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 3px;
    font-weight: 500;
}

.iheart-notice-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

/* Legacy styles for backward compatibility */
.iheart-addon-separator {
    border: 0;
    height: 1px;
    background: #e2e8f0;
    margin: 20px 0;
}

.iheart-extended-download {
    display: flex;
    align-items: center;
    font-size: 15px;
    gap: 10px;
}

.iheart-extended-download .iheart-label {
    flex: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .iheart-upsell-cart {
        margin: 15px 0;
        padding: 15px;
    }
    
    .iheart-upsell-option label {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .iheart-upsell-option input[type="checkbox"] {
        margin: 0 0 8px 0;
    }
    
    .iheart-download-icon {
        margin: 0 8px 0 0;
    }
    
    .iheart-bulk-discount-info {
        padding: 10px;
    }
    
    .iheart-bulk-discount-text {
        font-size: 1em;
    }
}

/* Theme Integration */
.woocommerce .iheart-upsell-cart,
.woocommerce-page .iheart-upsell-cart {
    font-family: inherit;
}

.woocommerce .iheart-upsell-option label,
.woocommerce-page .iheart-upsell-option label {
    font-family: inherit;
    font-size: inherit;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .iheart-upsell-cart {
        border-color: #000;
        background: #fff;
    }
    
    .iheart-upsell-option {
        border-color: #000;
    }
    
    .iheart-bulk-discount-info {
        background: #000;
        color: #fff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .iheart-upsell-option,
    .iheart-download-icon {
        transition: none;
    }
    
    @keyframes iheart-spin {
        to { transform: none; }
    }
}