/* ═══════════════════════════════════════════════════════════════ */
/* Genomax Catalogs - Frontend Grid                                */
/* ═══════════════════════════════════════════════════════════════ */

.genomax-catalogs-grid {
    display: grid;
    gap: 30px;
    margin: 30px 0;
    grid-template-columns: repeat(4, 1fr);
}

.genomax-catalogs-grid[data-columns="2"] { grid-template-columns: repeat(2, 1fr); }
.genomax-catalogs-grid[data-columns="3"] { grid-template-columns: repeat(3, 1fr); }
.genomax-catalogs-grid[data-columns="4"] { grid-template-columns: repeat(4, 1fr); }
.genomax-catalogs-grid[data-columns="5"] { grid-template-columns: repeat(5, 1fr); }
.genomax-catalogs-grid[data-columns="6"] { grid-template-columns: repeat(6, 1fr); }

/* Responsive breakpoints */
@media (max-width: 1200px) {
    .genomax-catalogs-grid[data-columns="5"],
    .genomax-catalogs-grid[data-columns="6"] {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .genomax-catalogs-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .genomax-catalogs-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px;
    }
}

@media (max-width: 400px) {
    .genomax-catalogs-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Individual catalog item */
.genomax-catalog-item {
    display: flex;
    flex-direction: column;
    text-align: center;
}

/* Thumbnail with A4 vertical aspect ratio (595:842 ≈ 1:1.414) */
.genomax-catalog-thumb {
    display: block;
    position: relative;
    aspect-ratio: 1 / 1.414;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.genomax-catalog-thumb:hover,
.genomax-catalog-thumb:focus {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.genomax-catalog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Placeholder when no thumbnail */
.genomax-catalog-thumb-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.genomax-catalog-thumb-placeholder .dashicons {
    font-size: 64px;
    width: 64px;
    height: 64px;
    margin-bottom: 10px;
}

/* Hover overlay */
.genomax-catalog-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: #fff;
}

.genomax-catalog-thumb:hover .genomax-catalog-overlay,
.genomax-catalog-thumb:focus .genomax-catalog-overlay {
    opacity: 1;
}

.genomax-catalog-icon {
    font-size: 40px;
    margin-bottom: 8px;
}

.genomax-catalog-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Title below thumbnail */
.genomax-catalog-title {
    margin: 15px 0 0;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 600;
}

.genomax-catalog-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.genomax-catalog-title a:hover,
.genomax-catalog-title a:focus {
    color: #2271b1;
    text-decoration: none;
}

.genomax-catalogs-empty {
    padding: 40px;
    text-align: center;
    color: #666;
    font-style: italic;
}