/* ===== GALLERY: Folders, Breadcrumb, Trash, Share ===== */

/* Folder Grid */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 1.5rem;
}

.folder-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    user-select: none;
}

.folder-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.folder-card-icon {
    font-size: 2rem;
    color: #f59e0b;
    margin-bottom: 8px;
}

.folder-card-cover {
    width: 100%;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 8px;
}

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

.folder-card-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.folder-card-count {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Skeleton loading grid */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.skeleton-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    overflow: hidden;
}

.skeleton-preview {
    height: 220px;
    background: var(--bg-tertiary);
    animation: shimmer 1.5s infinite;
}

.skeleton-info {
    padding: 16px;
}

.skeleton-info span {
    display: block;
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    animation: shimmer 1.5s infinite;
}

.skeleton-info span:first-child {
    width: 70%;
    margin-bottom: 8px;
}

.skeleton-info span:last-child {
    width: 40%;
}

@keyframes shimmer {
    0%, 100% { opacity: .6 }
    50% { opacity: .3 }
}

/* Scroll-more loading indicator */
.scroll-more-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
    color: var(--text-tertiary);
    font-size: 13px;
}

.scroll-more-loader::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

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

/* Breadcrumb */
.gallery-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    margin-bottom: 12px;
    font-size: var(--font-size-sm);
}

.breadcrumb-root {
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

.breadcrumb-root:hover {
    text-decoration: underline;
}

.breadcrumb-sep {
    color: var(--text-tertiary);
    font-size: 10px;
}

.breadcrumb-current {
    font-weight: 600;
    color: var(--text-primary);
}

.breadcrumb-link {
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

/* Folder Context Menu */
.folder-ctx-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    min-width: 160px;
    overflow: hidden;
}

.folder-ctx-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    text-align: left;
}

.folder-ctx-menu button:hover {
    background: var(--bg-tertiary);
}

.folder-ctx-menu .ctx-danger {
    color: var(--color-error);
}

.folder-ctx-menu .ctx-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Move to Folder List */
.move-folder-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.move-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background .15s, border-color .15s;
}

.move-folder-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-primary);
}

.move-folder-item.move-folder-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.move-folder-item .move-count {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Trash List */
.trash-list {
    max-height: 60vh;
    overflow-y: auto;
}

.trash-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-primary);
    gap: 12px;
}

.trash-item:last-child {
    border-bottom: none;
}

.trash-item-info {
    flex: 1;
    min-width: 0;
}

.trash-item-name {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trash-item-date {
    font-size: 11px;
    color: var(--text-tertiary);
}

.trash-item-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* Share Result */
.share-result {
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.share-result-url {
    display: flex;
    gap: 8px;
    align-items: center;
}

.share-result-url input {
    flex: 1;
    min-width: 0;
    font-size: 12px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    font-family: 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
}

.share-result-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.share-result-info i {
    font-size: 0.65rem;
    margin-right: 2px;
}

/* ============================================================
 * RESPONSIVE — Folders
 * ============================================================ */
@media (max-width: 480px) {
    .folder-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .folder-card {
        padding: .75rem;
    }

    .folder-card-icon {
        font-size: 1.5rem;
    }
}