/**
 * Admin Asset Gallery Component
 * 
 * Modern card-based gallery layout with filters sidebar, hover effects,
 * and improved bulk operations UI.
 * Uses BEM naming convention and design system tokens.
 */

.admin-asset-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg, 1.5rem);
    padding: var(--space-lg, 1.5rem);
    background: var(--bg, oklch(100% 0 0));
    min-height: 100vh;
}

/* Header Section */
.admin-asset-gallery__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md, 1rem);
    padding-bottom: var(--space-md, 1rem);
    border-bottom: 2px solid var(--border-light, oklch(75% 0.02 280));
}

.admin-asset-gallery__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text, oklch(20% 0.02 280));
    margin: 0;
}

.admin-asset-gallery__actions {
    display: flex;
    gap: var(--space-sm, 0.75rem);
    align-items: center;
}

/* Filters Sidebar */
.admin-asset-gallery__filters-sidebar {
    background: var(--bg-secondary, oklch(95% 0.01 280));
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
    border-radius: 8px;
    padding: var(--space-md, 1rem);
    min-width: 250px;
}

.admin-asset-gallery__filters-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text, oklch(20% 0.02 280));
    margin: 0 0 var(--space-md, 1rem) 0;
    padding-bottom: var(--space-sm, 0.75rem);
    border-bottom: 1px solid var(--border-light, oklch(75% 0.02 280));
}

.admin-asset-gallery__filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 0.5rem);
    margin-bottom: var(--space-md, 1rem);
}

.admin-asset-gallery__filter-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-gallery__filter-input,
.admin-asset-gallery__filter-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
    border-radius: 4px;
    background: var(--bg, oklch(100% 0 0));
    color: var(--text, oklch(20% 0.02 280));
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-asset-gallery__filter-input:focus,
.admin-asset-gallery__filter-select:focus {
    outline: none;
    border-color: var(--accent-primary, oklch(60% 0.2 280));
    box-shadow: 0 0 0 3px oklch(60% 0.2 280 / 0.1);
}

/* Main Content Area */
.admin-asset-gallery__content {
    display: flex;
    gap: var(--space-lg, 1.5rem);
    flex: 1;
}

.admin-asset-gallery__main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 1rem);
}

/* Bulk Actions Bar */
.admin-asset-gallery__bulk-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md, 1rem);
    padding: var(--space-md, 1rem);
    background: var(--accent-info, oklch(58% 0.22 240));
    background: oklch(58% 0.22 240 / 0.1);
    border: 1px solid var(--accent-info, oklch(58% 0.22 240));
    border-radius: 8px;
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-gallery__bulk-actions-text {
    font-weight: 600;
    font-size: 0.875rem;
}

.admin-asset-gallery__bulk-actions-buttons {
    display: flex;
    gap: var(--space-sm, 0.75rem);
}

/* Gallery Grid */
.admin-asset-gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md, 1rem);
}

/* Gallery List (Table View) */
.admin-asset-gallery__list {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg, oklch(100% 0 0));
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
}

.admin-asset-gallery__list thead {
    background: var(--bg-secondary, oklch(95% 0.01 280));
}

.admin-asset-gallery__list th {
    padding: var(--space-sm, 0.75rem);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text, oklch(20% 0.02 280));
    border-bottom: 2px solid var(--border-light, oklch(75% 0.02 280));
}

.admin-asset-gallery__list td {
    padding: var(--space-sm, 0.75rem);
    border-bottom: 1px solid var(--border-light, oklch(75% 0.02 280));
    font-size: 0.875rem;
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-gallery__list tbody tr:hover {
    background: var(--bg-secondary, oklch(95% 0.01 280));
}

.admin-asset-gallery__list tbody tr:last-child td {
    border-bottom: none;
}

.admin-asset-gallery__list-preview-image {
    max-width: 100px;
    max-height: 100px;
    object-fit: cover;
    border-radius: 4px;
}

/* Asset Card */
.admin-asset-card {
    position: relative;
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
    border-radius: 8px;
    padding: var(--space-sm, 0.75rem);
    background: var(--bg, oklch(100% 0 0));
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
}

.admin-asset-card:hover {
    border-color: var(--accent-primary, oklch(60% 0.2 280));
    box-shadow: 0 4px 12px oklch(0% 0 0 / 0.1);
    transform: translateY(-2px);
}

.admin-asset-card--selected {
    border-color: var(--accent-primary, oklch(60% 0.2 280));
    border-width: 2px;
    box-shadow: 0 0 0 3px oklch(60% 0.2 280 / 0.1);
}

.admin-asset-card__checkbox {
    position: absolute;
    top: var(--space-xs, 0.5rem);
    left: var(--space-xs, 0.5rem);
    z-index: 10;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-primary, oklch(60% 0.2 280));
}

.admin-asset-card__preview {
    position: relative;
    width: 100%;
    height: 150px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-secondary, oklch(95% 0.01 280));
    margin-bottom: var(--space-xs, 0.5rem);
}

.admin-asset-card__preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.admin-asset-card:hover .admin-asset-card__preview-image {
    transform: scale(1.05);
}

.admin-asset-card__preview-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary, oklch(95% 0.01 280));
    color: var(--muted, oklch(50% 0.01 280));
    font-size: 0.75rem;
    text-align: center;
    padding: var(--space-xs, 0.5rem);
}

/* Overlay for Quick Actions */
.admin-asset-card__overlay {
    position: absolute;
    inset: 0;
    background: oklch(0% 0 0 / 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    border-radius: 4px;
}

.admin-asset-card:hover .admin-asset-card__overlay {
    opacity: 1;
}

.admin-asset-card__quick-actions {
    display: flex;
    gap: var(--space-xs, 0.5rem);
}

.admin-asset-card__quick-action {
    padding: var(--space-xs, 0.5rem);
    background: var(--bg, oklch(100% 0 0));
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
    border-radius: 4px;
    color: var(--text, oklch(20% 0.02 280));
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.admin-asset-card__quick-action:hover {
    background: var(--accent-primary, oklch(60% 0.2 280));
    color: var(--bg, oklch(100% 0 0));
    border-color: var(--accent-primary, oklch(60% 0.2 280));
}

.admin-asset-card__info {
    margin-top: var(--space-xs, 0.5rem);
    font-size: 0.875rem;
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-card__collections {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs, 0.5rem);
    margin-bottom: var(--space-xs, 0.5rem);
}

.admin-asset-card__collection-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--accent-primary, oklch(60% 0.2 280));
    color: var(--bg, oklch(100% 0 0));
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.admin-asset-card__info-item {
    margin-bottom: 0.25rem;
}

.admin-asset-card__info-label {
    font-weight: 600;
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-card__info-value {
    color: var(--muted, oklch(50% 0.01 280));
}

/* Empty State */
.admin-asset-gallery__empty-state {
    text-align: center;
    padding: var(--space-xl, 3rem);
    background: var(--bg-secondary, oklch(95% 0.01 280));
    border-radius: 8px;
    border: 2px dashed var(--border-light, oklch(75% 0.02 280));
}

.admin-asset-gallery__empty-state-text {
    font-size: 1rem;
    color: var(--muted, oklch(50% 0.01 280));
    margin-bottom: var(--space-md, 1rem);
}

/* Load More */
.admin-asset-gallery__load-more {
    text-align: center;
    margin-top: var(--space-lg, 1.5rem);
    padding-top: var(--space-lg, 1.5rem);
    border-top: 1px solid var(--border-light, oklch(75% 0.02 280));
}

/* Loading State */
.admin-asset-gallery__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl, 3rem);
    color: var(--muted, oklch(50% 0.01 280));
}

.admin-asset-gallery__loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light, oklch(75% 0.02 280));
    border-top-color: var(--accent-primary, oklch(60% 0.2 280));
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-asset-gallery__content {
        flex-direction: column;
    }

    .admin-asset-gallery__filters-sidebar {
        min-width: 100%;
        order: -1;
    }

    .admin-asset-gallery__grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--space-sm, 0.75rem);
    }

    .admin-asset-gallery__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-asset-gallery__actions {
        width: 100%;
        justify-content: flex-start;
    }

    .admin-asset-gallery__bulk-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-asset-gallery__bulk-actions-buttons {
        width: 100%;
        flex-direction: column;
    }
}

/* View Mode Toggle */
.admin-asset-gallery__view-toggle {
    display: flex;
    gap: var(--space-xs, 0.5rem);
    background: var(--bg-secondary, oklch(95% 0.01 280));
    border: 1px solid var(--border-light, oklch(75% 0.02 280));
    border-radius: 4px;
    padding: 2px;
}

.admin-asset-gallery__view-toggle-button {
    padding: var(--space-xs, 0.5rem) var(--space-sm, 0.75rem);
    border: none;
    background: transparent;
    color: var(--muted, oklch(50% 0.01 280));
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.admin-asset-gallery__view-toggle-button:hover {
    background: var(--bg, oklch(100% 0 0));
    color: var(--text, oklch(20% 0.02 280));
}

.admin-asset-gallery__view-toggle-button--active {
    background: var(--accent-primary, oklch(60% 0.2 280));
    color: var(--bg, oklch(100% 0 0));
}