/**
 * PDF Search Lite — File Browser Styles avec sous-dossiers
 */

.psl-file-browser {
    display: flex;
    height: 480px;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Sidebar */
.psl-browser-sidebar {
    width: 280px;
    background: #f8f9fa;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
}

.psl-browser-header {
    padding: 15px 20px;
    border-bottom: 1px solid #ddd;
    background: #fff;
}

.psl-browser-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.psl-folder-tree {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

/* Root item */
.psl-folder-root {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    margin: 0 10px 5px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.psl-folder-root:hover {
    background: #e9ecef;
}

.psl-folder-root.active {
    background: #2271b1;
    color: #fff;
}

.psl-folder-icon-root {
    color: #666;
}

.psl-folder-root.active .psl-folder-icon-root {
    color: #fff;
}

/* Folder item */
.psl-folder-item {
    position: relative;
}

.psl-folder-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    margin: 0 10px 2px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.psl-folder-header:hover {
    background: #e9ecef;
}

.psl-folder-item.active > .psl-folder-header {
    background: #2271b1;
    color: #fff;
}

.psl-folder-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 3px;
    transition: transform 0.2s;
}

.psl-folder-toggle:hover {
    background: rgba(0,0,0,0.1);
}

.psl-folder-item.expanded > .psl-folder-header .psl-folder-toggle {
    transform: rotate(90deg);
}

.psl-folder-toggle-placeholder {
    width: 18px;
}

.psl-folder-icon {
    flex-shrink: 0;
    color: #f4d03f;
}

.psl-folder-item.active > .psl-folder-header .psl-folder-icon {
    color: #fff;
}

.psl-folder-name {
    flex: 1;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Children */
.psl-folder-children {
    position: relative;
}

.psl-folder-children::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #ddd;
}

/* Main Area */
.psl-browser-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.psl-browser-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: #fff;
    border-bottom: 1px solid #ddd;
}

.psl-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    flex-wrap: wrap;
}

.psl-breadcrumb-root {
    color: #2271b1;
    cursor: pointer;
}

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

.psl-breadcrumb-separator {
    color: #999;
}

.psl-breadcrumb-part {
    color: #333;
}

.psl-file-count {
    font-size: 13px;
    color: #666;
    flex-shrink: 0;
}

/* File Grid */
.psl-file-grid {
    flex: 1;
    overflow-y: auto;
    padding: 10px 20px;
}

.psl-file-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
    border-bottom: 1px solid #f0f0f0;
}

.psl-file-item:hover {
    background: #f8f9fa;
}

.psl-file-icon {
    flex-shrink: 0;
}

.psl-file-info {
    min-width: 0;
}

.psl-file-name {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.psl-file-meta {
    font-size: 12px;
    color: #999;
}

.psl-file-subfolder {
    display: inline-block;
    background: #e8f0fe;
    color: #1967d2;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    margin-right: 8px;
}

.psl-file-actions {
    display: flex;
    gap: 8px;
}

.psl-file-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.psl-file-btn svg {
    flex-shrink: 0;
}

.psl-file-open {
    background: #e8f0fe;
    color: #1967d2;
}

.psl-file-open:hover {
    background: #1967d2;
    color: #fff;
}

.psl-file-download {
    background: #edfaef;
    color: #00a32a;
}

.psl-file-download:hover {
    background: #00a32a;
    color: #fff;
}

/* Loading & Empty States */
.psl-loading-folders,
.psl-loading-files {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: #666;
    gap: 10px;
}

.psl-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #eee;
    border-top-color: #2271b1;
    border-radius: 50%;
    animation: psl-spin 1s linear infinite;
    display: inline-block;
}

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

.psl-welcome-message,
.psl-empty-folder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    text-align: center;
    padding: 40px;
}

.psl-welcome-icon {
    margin-bottom: 20px;
    color: #ddd;
}

.psl-error {
    color: #d63638;
    padding: 20px;
    text-align: center;
}

/* Pagination */
.psl-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    margin-top: 5px;
    border-top: 1px solid #eee;
}

.psl-page-numbers {
    display: flex;
    gap: 5px;
}

.psl-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    color: #333;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.psl-page-btn:hover:not(:disabled) {
    background: #f0f0f0;
    border-color: #bbb;
}

.psl-page-btn:disabled {
    cursor: default;
    opacity: 0.6;
}

.psl-page-btn.psl-page-current {
    background: #2271b1;
    border-color: #2271b1;
    color: #fff;
}

.psl-page-prev,
.psl-page-next {
    padding: 0 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .psl-file-browser {
        flex-direction: column;
        height: auto;
        min-height: 500px;
    }
    
    .psl-browser-sidebar {
        width: auto;
        max-height: 250px;
        border-right: none;
        border-bottom: 1px solid #ddd;
    }
    
    .psl-file-item {
        grid-template-columns: auto 1fr;
        gap: 10px;
    }
    
    .psl-file-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }
    
    .psl-pagination {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .psl-page-numbers {
        order: -1;
        width: 100%;
        justify-content: center;
    }
    
    .psl-page-prev,
    .psl-page-next {
        flex: 1;
    }
}