/* Folder Tree Styles */

/* PDF Management Styles */
.pdf-upload-container {
    min-height: 200px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s, background-color 0.3s;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--accent);
    background-color: var(--surface-hover);
}

.upload-placeholder {
    color: var(--text-secondary);
}

.upload-placeholder i {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.upload-hint {
    font-size: 0.9em;
    margin-top: 8px;
}

.file-list {
    max-height: 200px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.file-item i {
    color: var(--accent);
    font-size: 18px;
}

.file-name {
    flex: 1;
    font-weight: 500;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.upload-progress {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--surface);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background-color: var(--accent);
    transition: width 0.3s;
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Document Management */
.document-management {
    max-height: 400px;
    overflow-y: auto;
}

.document-section {
    margin-bottom: 24px;
}

.document-section h3 {
    margin: 0 0 12px 0;
    font-size: 1.1em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.document-list {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.document-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    transition: background-color 0.2s;
}

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

.document-item:hover {
    background-color: var(--surface-hover);
}

.document-item i {
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
}

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

.document-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    word-break: break-word;
}

.document-meta {
    font-size: 0.85em;
    color: var(--text-secondary);
}

.delete-doc-btn {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.delete-doc-btn:hover {
    background-color: var(--error-hover);
}

.no-documents {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
    margin: 0;
    font-style: italic;
}

/* PDF Action Buttons */
.folder-action-btn.add-pdfs {
    color: var(--accent);
}

.folder-action-btn.add-pdfs:hover {
    background-color: var(--accent-hover);
    color: white;
}

.folder-action-btn.manage-docs {
    color: var(--text-secondary);
}

.folder-action-btn.manage-docs:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}
.folder-tree {
    padding: 0;
    margin: 0;
    list-style: none;
}

.folder-item {
    position: relative;
    user-select: none;
}

.folder-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.folder-header:hover {
    background-color: var(--surface-hover);
}

.folder-header.active {
    background-color: var(--surface-hover);
}

.folder-toggle {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.folder-toggle i {
    font-size: 10px;
    transition: transform 0.2s;
}

.folder-toggle.expanded i {
    transform: rotate(90deg);
}

.folder-icon {
    margin-right: 8px;
    color: var(--primary-color);
    font-size: 14px;
}

.folder-name {
    flex: 1;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.folder-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.folder-header:hover .folder-actions {
    opacity: 1;
}

.folder-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 12px;
    transition: all 0.2s;
}

.folder-action-btn:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.folder-content {
    padding-left: 20px;
    display: none;
}

.folder-content.expanded {
    display: block;
}

/* Nested folders */
.folder-content .folder-item {
    margin-left: 16px;
}

/* Conversation item in folder view */
.folder-conversation-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    margin-left: 28px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.folder-conversation-item:hover {
    background-color: var(--surface-hover);
}

.folder-conversation-item.active {
    background-color: var(--surface-hover);
    border-left: 3px solid var(--primary-color);
}

.folder-conversation-item.dragging {
    opacity: 0.5;
}

.folder-conversation-item.drag-over {
    border-top: 2px solid var(--primary-color);
}

/* Context Menu */
.context-menu {
    position: fixed;
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
    min-width: 180px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: none;
}

.context-menu.show {
    display: block;
}

.context-menu-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.context-menu-item:hover {
    background-color: var(--surface-hover);
}

.context-menu-item i {
    width: 20px;
    margin-right: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.context-menu-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 8px;
}

/* Modal for folder/rename dialogs */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--surface);
    border-radius: 12px;
    padding: 24px;
    min-width: 400px;
    max-width: 90%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal-overlay.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.modal-body {
    margin-bottom: 24px;
}

.modal-input {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.modal-input:focus {
    border-color: var(--primary-color);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.9rem;
}

.modal-btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.modal-btn-primary:hover {
    background-color: var(--primary-hover);
}

.modal-btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* Drag and Drop */
.drop-zone {
    position: relative;
}

.drop-zone.drag-over {
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 6px;
}

.folder-header.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.folder-header.drag-over {
    background-color: rgba(37, 99, 235, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
}

.folder-header[draggable="true"] {
    cursor: grab;
}

.folder-header[draggable="true"]:hover {
    cursor: grab;
}

.drop-indicator {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
    pointer-events: none;
    display: none;
}

.drop-indicator.show {
    display: block;
}

/* Inline rename input */
.rename-input {
    width: 100%;
    padding: 4px 8px;
    background-color: var(--background);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
}
/* RAG Test Styles */
.rag-test-container {
    min-height: 200px;
}

.rag-test-info {
    margin-bottom: 15px;
    padding: 10px;
    background: var(--surface);
    border-radius: 4px;
}

.rag-test-info p {
    margin: 0;
    color: var(--text-secondary);
}

.rag-test-input {
    margin-bottom: 20px;
}

.rag-test-results {
    max-height: 400px;
    overflow-y: auto;
    background: var(--surface);
    padding: 15px;
    border-radius: 4px;
    margin-top: 20px;
}

.rag-result-item {
    margin-bottom: 15px;
    padding: 12px;
    background: var(--background);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.rag-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.rag-result-meta {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.rag-result-text {
    font-size: 0.95em;
    color: var(--text-secondary);
    line-height: 1.4;
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}