body {
    font-family: Tahoma, Arial, sans-serif;
    direction: rtl;
    background-color: #f9f9f9;
    margin: 0;
    padding: 20px;
}

.detail-container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.section-title { text-align: center; color: #333; }

.main-image-box {
    text-align: center;
    margin-bottom: 20px;
}

#mainProductImage {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    border-radius: 10px;
    border: 1px solid #ddd;
}

.thumbnail-gallery {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.thumbnail-gallery img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

.thumbnail-gallery img:hover { border-color: #007bff; }

.product-info {
    text-align: right;
    line-height: 1.6;
    margin-bottom: 20px;
}

.btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px;
    margin-top: 10px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.telegram-btn { background-color: #0088cc; color: #fff; }
.back-btn { background-color: #6c757d; color: #fff; }

@media (min-width: 600px) {
    .btn { display: inline-block; width: auto; padding: 12px 30px; }
    .product-info { display: flex; flex-direction: column; align-items: flex-start; }
}