/* Materials Grid Styling */
.material-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.material-image-wrapper {
    position: relative;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    overflow: hidden;
}

.material-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.material-card:hover .material-image {
    transform: scale(1.1);
}

.material-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.material-card:hover .material-overlay {
    transform: translateY(0);
}

.material-title {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.material-card:hover .material-title {
    opacity: 1;
    transform: translateY(0);
}

/* Pagination Styling */
.pagination {
    margin-top: 2rem;
}

.page-link {
    border-radius: 50%;
    margin: 0 5px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background-color: #f8f9fa;
    color: #333;
    transition: all 0.3s ease;
}

.page-link:hover {
    background-color: #e9ecef;
    color: #000;
}

.page-item.active .page-link {
    background-color: #82b928;
    color: white;
}

/* Loading Animation */
.loading-spinner {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.loading .loading-spinner {
    display: block;
}