/* Your provided CSS - optimized for WordPress */
.wc-popup-checkout-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 99998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.wc-popup-checkout-overlay.active {
    display: block;
    opacity: 1;
}

.wc-popup-checkout-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 95%;
    max-width: 500px;
    background-color: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 99999;
    display: none;
    opacity: 0;
    overflow: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-height: 90vh;
    margin: 20px 0;
}

.wc-popup-checkout-popup.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.wc-popup-checkout-popup .popup-header {
    padding: 20px 25px 15px;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
}

.wc-popup-checkout-popup .popup-title {
    font-size: 20px;
    color: #2c3e50;
    text-align: center;
    font-weight: 700;
    margin: 0;
}

.wc-popup-checkout-popup .close-btn {
    position: absolute;
    right: 10px;
    top: 10px;
    background: #f8f9fa;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #ff0000;
    font-size: 20px;
    transition: all 0.2s;
    line-height: 1;
}

.wc-popup-checkout-popup .close-btn:hover {
    background: #e74c3c;
    color: white;
}

.wc-popup-checkout-popup .popup-content {
    padding: 20px 25px;
    max-height: calc(90vh - 160px);
    overflow-y: auto;
}

.wc-popup-checkout-popup .product-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.wc-popup-checkout-popup .product-info {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 15px;
}

.wc-popup-checkout-popup .product-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
}

.wc-popup-checkout-popup .product-details {
    flex: 1;
}

.wc-popup-checkout-popup .product-title {
    font-size: 16px;
    color: #2c3e50;
    margin-bottom: 6px;
    font-weight: 600;
    line-height: 1.4;
    margin-top: 0;
}

.wc-popup-checkout-popup .price-variants-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 12px;
}

.wc-popup-checkout-popup .product-price {
    font-size: 20px;
    font-weight: 700;
    color: #2ecc71;
    white-space: nowrap;
}

.wc-popup-checkout-popup .product-variants {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.wc-popup-checkout-popup .variant-item {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #f8f9fa;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
}

.wc-popup-checkout-popup .variant-label {
    color: #666;
    font-weight: 500;
}

.wc-popup-checkout-popup .variant-value {
    color: #2c3e50;
    font-weight: 600;
}

.wc-popup-checkout-popup .form-section {
    margin-top: 20px;
}

.wc-popup-checkout-popup .form-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 600;
    margin-top: 0;
}

.wc-popup-checkout-popup .checkout-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.wc-popup-checkout-popup .form-group {
    width: 100%;
}

.wc-popup-checkout-popup .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
    font-size: 14px;
}

.wc-popup-checkout-popup .form-group input,
.wc-popup-checkout-popup .form-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
    background-color: #fafafa;
}

.wc-popup-checkout-popup .form-group input:focus,
.wc-popup-checkout-popup .form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.wc-popup-checkout-popup .form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.wc-popup-checkout-popup .action-buttons {
    display: flex;
    gap: 15px;
    padding: 25px;
    background-color: #f8f9fa;
    border-top: 1px solid #f0f0f0;
    margin-top: auto;
}

.wc-popup-checkout-popup .cancel-btn,
.wc-popup-checkout-popup .submit-btn {
    flex: 1;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
}

.wc-popup-checkout-popup .cancel-btn {
    background-color: white;
    border: 2px solid #ddd;
    color: #666;
}

.wc-popup-checkout-popup .cancel-btn:hover {
    background-color: #f5f5f5;
    border-color: #bbb;
}

.wc-popup-checkout-popup .submit-btn {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.wc-popup-checkout-popup .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.wc-popup-checkout-popup .submit-btn.loading {
    opacity: 0.8;
    cursor: not-allowed;
}

.wc-popup-checkout-popup .submit-btn.loading:after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: wcPopupSpin 0.8s linear infinite;
    margin-left: 10px;
}

@keyframes wcPopupSpin {
    to { transform: rotate(360deg); }
}

/* Mobile styles */
@media (max-width: 480px) {
    .wc-popup-checkout-popup {
        width: 95%;
        margin: 10px 0;
    }

    .wc-popup-checkout-popup .popup-content {
        padding: 15px 20px;
    }

    .wc-popup-checkout-popup .popup-header {
        padding: 15px 20px 10px;
    }

    .wc-popup-checkout-popup .action-buttons {
        padding: 20px;
        gap: 10px;
    }

    .wc-popup-checkout-popup .cancel-btn,
    .wc-popup-checkout-popup .submit-btn {
        width: 100%;
        height: 50px;
    }

    .wc-popup-checkout-popup .product-info {
        flex-direction: column;
        text-align: center;
    }

    .wc-popup-checkout-popup .product-image {
        width: 100px;
        height: 100px;
    }

    .wc-popup-checkout-popup .price-variants-container {
        justify-content: center;
        gap: 15px;
    }

    .wc-popup-checkout-popup .product-price {
        font-size: 18px;
    }

    .wc-popup-checkout-popup .variant-item {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .wc-popup-checkout-popup .cancel-btn,
    .wc-popup-checkout-popup .submit-btn {
        padding: 10px;
        font-size: 14px;
    }
}

/* Hide default quantity input in popup */
.wc-popup-checkout-popup .quantity {
    display: none;
}

/* Success message */
.wc-popup-checkout-success {
    text-align: center;
    padding: 40px 20px;
}

.wc-popup-checkout-success i {
    font-size: 60px;
    color: #2ecc71;
    margin-bottom: 20px;
}

.wc-popup-checkout-success h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 15px;
}

.wc-popup-checkout-success p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}