.breadcrumbs {
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumbs a {
    color: #666;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.product-page {
    padding: 30px 0;
    flex-grow: 1;
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.product-gallery {
    display: flex;
    flex-direction: column;
}

.main-image {
    width: 100%;
    height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin-bottom: 15px;
    border-radius: 8px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-thumbnails {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.thumbnail.active {
    border-color: #cc2828;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 0 20px;
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-price {
    font-size: 24px;
    font-weight: 1000;
    color: #cc2828;
    margin-bottom: 20px;
}

.product-description {
    margin-bottom: 25px;
    color: #555;
    line-height: 1.6;
}

.size-selection {
    margin-bottom: 25px;
}

.size-title {
    font-weight: 600;
    margin-bottom: 10px;
}

.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.size-option {
    width: 50px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.size-option:hover {
    border-color: #3f3e3e;
}

.size-option.selected {
    background-color: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}

.add-to-cart-btn {
    background-color: #1a1a1a;
    color: white;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    width: 60%;
    margin-bottom: 25px;
    transition: background-color 0.3s;
    border-radius: 6px;
}

.add-to-cart-btn:hover {
    background-color: #3f3e3e;
}

.product-details {
    margin-top: 30px;
}

.details-title {
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 18px;
}

.details-list {
    list-style: none;
}

.details-list li {
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
}

.details-list li:before {
    content: "•";
    color: #ff3e3e;
    position: absolute;
    left: 0;
}

.size-guide {
    margin-top: 30px;
}

.size-guide-title {
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 18px;
}

.size-table {
    width: 100%;
    border-collapse: collapse;
}

.size-table th, .size-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

.size-table th {
    background-color: #f5f5f5;
    font-weight: 600;
}

@media (max-width: 768px) {
    .product-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .main-image {
        height: 400px;
    }
    
    .product-info {
        padding: 0;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .product-price {
        font-size: 20px;
    }
    
    .add-to-cart-btn {
        width: 100%;
        padding: 12px 20px;
    }
    
    .size-options {
        justify-content: center;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .product-page {
        padding: 20px 0;
    }
    
    .main-image {
        height: 300px;
    }
    
    .product-title {
        font-size: 22px;
    }
    
    .product-price {
        font-size: 18px;
    }
    
    .image-thumbnails {
        gap: 8px;
    }
    
    .thumbnail {
        width: 50px;
        height: 50px;
    }
    
    .size-option {
        width: 45px;
        height: 35px;
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    .main-image {
        height: 250px;
    }
    
    .product-title {
        font-size: 20px;
    }
    
    .thumbnail {
        width: 45px;
        height: 45px;
    }
}