.material-detail-section {
    padding: 3rem 0;
    /*background-color: #f8f9fa;*/
}

.main-image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    background-color: white;
    padding: 1rem;
}

.main-image-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 500px;
    border-radius: 8px;
}

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.thumbnail {
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    aspect-ratio: 1/1;
}

.thumbnail:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--emerald-medium);
}

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

.material-info {
    background-color: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.material-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--emerald-dark);
    position: relative;
    padding-bottom: 1rem;
}

.material-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--emerald-medium), var(--gold-light));
}

.material-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 2rem;
}

.empty-description {
    font-style: italic;
    color: #999;
}

.category-badge {
    display: inline-block;
    background-color: var(--emerald-light);
    color: var(--emerald-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Адаптивность */
@media (max-width: 991.98px) {
    .material-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 767.98px) {
    .material-title {
        font-size: 1.6rem;
    }

    .material-description {
        font-size: 1rem;
    }
}