:root {

    --primary-color: #4a6fdc;

    --secondary-color: #f0f2f5;

    --text-color: #333;

    --light-text: #777;

    --border-color: #ddd;

    --success-color: #2ecc71;

}



body {

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    margin: 0;

    padding: 0;

    color: var(--text-color);

    background-color: #f9f9f9;

}



.product-container {

    max-width: 1200px;

    margin: 2rem auto;

    padding: 0 1rem;

}



.breadcrumb {

    display: flex;

    align-items: center;

    margin-bottom: 1.5rem;

    font-size: 0.9rem;

    color: var(--light-text);

}



.breadcrumb a {

    color: var(--light-text);

    text-decoration: none;

    margin: 0 0.5rem;

}



.breadcrumb a:first-child {

    margin-left: 0;

}



.breadcrumb a:hover {

    color: var(--primary-color);

}



.product-grid {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 2rem;

    margin-bottom: 3rem;

    background: white;

    border-radius: 10px;

    overflow: hidden;

    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);

}



.product-image-container {

    position: relative;

    overflow: hidden;

    height: 100%;

    display: flex;

    align-items: center;

    justify-content: center;

    background-color: #f8f8f8;

}



.product-image-container img {

    max-width: 100%;

    max-height: 500px;

    object-fit: contain;

    transition: transform 0.3s ease;

}



.product-image-container img:hover {

    transform: scale(1.03);

}



.product-details {

    padding: 2rem;

    display: flex;

    flex-direction: column;

}



.product-title {

    font-size: 1.8rem;

    margin: 0 0 1rem;

    color: var(--text-color);

    font-weight: 600;

}



.product-price {

    font-size: 1.6rem;

    font-weight: bold;

    color: var(--primary-color);

    margin-bottom: 1.5rem;

}



.product-description {

    margin-bottom: 2rem;

    line-height: 1.6;

    color: #555;

}



.product-meta {

    background-color: var(--secondary-color);

    padding: 1rem;

    border-radius: 8px;

    margin-bottom: 1.5rem;

}



.meta-item {

    display: flex;

    align-items: center;

    margin-bottom: 0.5rem;

}



.meta-item i {

    width: 20px;

    margin-right: 10px;

    color: var(--primary-color);

}



.quantity-container {

    margin-bottom: 1.5rem;

    display: flex;

    align-items: center;

}



.quantity-container label {

    margin-right: 1rem;

    font-weight: 500;

}



.quantity-selector {

    padding: 0.5rem;

    border: 1px solid var(--border-color);

    border-radius: 4px;

    width: 80px;

    font-size: 1rem;

}



.action-buttons {

    display: flex;

    flex-wrap: wrap;

    gap: 1rem;

    margin-top: auto;

}



.btn {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 0.8rem 1.5rem;

    border-radius: 5px;

    font-weight: 600;

    text-decoration: none;

    cursor: pointer;

    transition: all 0.2s ease;

    border: none;

    font-size: 1rem;

}



.btn-primary {

    background-color: var(--primary-color);

    color: white;

    flex: 1;

}



.btn-primary:hover {

    background-color: #3a5bbf;

}



.btn-outline {

    background-color: transparent;

    border: 1px solid var(--primary-color);

    color: var(--primary-color);

    min-width: 200px;

}



.btn-outline:hover {

    background-color: var(--primary-color);

    color: white;

}



.btn i {

    margin-right: 0.5rem;

}



.btn-out-of-stock {

    background-color: #ccc;

    color: #666;

    cursor: not-allowed;

    flex: 1;

}



.modal {

    display: none;

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-color: rgba(0, 0, 0, 0.7);

    z-index: 1000;

    justify-content: center;

    align-items: center;

    animation: fadeIn 0.3s ease;

}



.modal-content {

    background-color: white;

    padding: 2rem;

    border-radius: 10px;

    text-align: center;

    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);

    max-width: 400px;

    width: 90%;

    animation: slideIn 0.3s ease;

}



.modal-checkmark {

    font-size: 4rem;

    color: var(--success-color);

    margin-bottom: 1rem;

}



.seller-info {

    display: flex;

    align-items: center;

    margin-bottom: 2rem;

    padding-bottom: 1rem;

    border-bottom: 1px solid var(--border-color);

}



.seller-avatar {

    width: 50px;

    height: 50px;

    border-radius: 50%;

    background-color: var(--secondary-color);

    display: flex;

    align-items: center;

    justify-content: center;

    margin-right: 1rem;

    font-size: 1.5rem;

    color: var(--primary-color);

}



.seller-name {

    font-weight: 600;

    font-size: 1.1rem;

}



.seller-link {

    margin-left: auto;

    color: var(--primary-color);

    text-decoration: none;

    font-weight: 500;

}



.back-button {

    display: inline-flex;

    align-items: center;

    background: none;

    border: none;

    color: var(--light-text);

    font-size: 0.9rem;

    cursor: pointer;

    padding: 0;

    margin-bottom: 1rem;

    text-decoration: none;

}



.back-button:hover {

    color: var(--primary-color);

}



.back-button i {

    margin-right: 0.5rem;

}



@keyframes fadeIn {

    from {

        opacity: 0;

    }

    to {

        opacity: 1;

    }

}



@keyframes slideIn {

    from {

        transform: translateY(-20px);

        opacity: 0;

    }

    to {

        transform: translateY(0);

        opacity: 1;

    }

}



@media (max-width: 768px) {

    .product-grid {

        grid-template-columns: 1fr;

    }



    .product-image-container {

        height: 350px;

    }



    .action-buttons {

        flex-direction: column;

    }



    .btn-outline {

        width: 100%;

    }

}