/* Workspace - Tree, File Upload, Drop Zones */

/* Workspace Tree */
.workspace-layout { display: flex; gap: 20px; }
.workspace-tree-container { flex: 1; min-width: 300px; }
.workspace-tree { background: var(--light-bg); border-radius: 12px; padding: 12px; min-height: 300px; max-height: 500px; overflow-y: auto; border: 1px solid var(--light-border); }
.tree-node { user-select: none; }
.tree-item { display: flex; align-items: center; padding: 8px 12px; cursor: pointer; border-radius: 8px; margin: 2px 0; transition: all 0.15s; }
.tree-item:hover { background: rgba(119,95,255,0.08); }
.tree-item.selected { background: rgba(119,95,255,0.15); border: 1px solid var(--primary-light); }
.tree-item.drag-over { background: rgba(16,185,129,0.15); border: 2px dashed var(--success); }
.tree-item.dragging { opacity: 0.5; }
.tree-item .icon { margin-right: 10px; font-size: 18px; }
.tree-item .name { flex: 1; font-weight: 500; }
.tree-item .actions { display: none; gap: 4px; }
.tree-item:hover .actions { display: flex; }

/* Multi-select checkbox */
.tree-item .select-checkbox {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
}
.tree-item.multi-selected {
    background: rgba(119,95,255,0.12);
    border: 1px solid var(--primary-light);
}
.tree-item.multi-selected:hover {
    background: rgba(119,95,255,0.18);
}

/* Selection toolbar */
.selection-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(119,95,255,0.95), rgba(119,95,255,0.85));
    border: 1px solid var(--primary-light);
    border-radius: 10px;
    animation: slideDown 0.2s ease;
    position: sticky;
    top: 0;
    z-index: 10;
}
.selection-toolbar.hidden {
    display: none;
}
.selection-info {
    font-size: 13px;
    font-weight: 500;
    color: white;
}
.selection-actions {
    display: flex;
    gap: 8px;
}
.selection-actions .btn-sm {
    padding: 5px 12px;
    font-size: 12px;
    background: var(--light-card);
    color: var(--primary);
    border-color: white;
}
.selection-actions .btn-sm:hover {
    background: rgba(255,255,255,0.9);
}
.selection-actions .btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}
.selection-actions .btn-danger:hover {
    background: #dc2626;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.tree-children { margin-left: 24px; border-left: 2px solid var(--light-border); }

/* Folder toggle/collapse */
.tree-item .toggle {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
    cursor: pointer;
    color: var(--text-muted);
    transition: transform 0.15s ease;
    font-size: 12px;
}
.tree-item .toggle:hover { color: var(--primary); }
.tree-item.collapsed .toggle { transform: rotate(-90deg); }
.tree-node.collapsed > .tree-children { display: none; }
.tree-item .toggle-placeholder { width: 18px; margin-right: 4px; }
.tree-root { padding: 10px 12px; background: rgba(119,95,255,0.05); border-radius: 8px; margin-bottom: 10px; border: 1px solid var(--primary-light); }
.tree-root.drag-over { background: rgba(16,185,129,0.15); border: 2px dashed var(--success); }

/* File Details Panel */
.file-details-panel { flex: 1; min-width: 350px; background: var(--light-card); border-radius: 12px; max-height: 500px; overflow-y: auto; border: 1px solid var(--light-border); }
.file-details-panel.empty { display: flex; align-items: center; justify-content: center; color: var(--text-muted); padding: 24px; }

/* File Detail Header */
.file-detail-header {
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--light-border);
    background: var(--light-card);
}
.file-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 10px 0;
    word-break: break-word;
    line-height: 1.3;
}
.file-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* File Detail Body - scrollable content */
.file-detail-body {
    padding: 16px 20px;
    background: var(--light-bg);
    flex: 1;
    overflow-y: auto;
}

/* Compact meta row */
.file-meta-row {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.file-meta-row .meta-separator {
    margin: 0 8px;
    color: var(--text-muted);
}

.file-detail-meta-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.file-detail-meta-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* File Origin URL */
.file-detail-origin {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--light-border);
}
.file-origin-link {
    display: block;
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    word-break: break-all;
    line-height: 1.4;
}
.file-origin-link:hover {
    text-decoration: underline;
}

/* File Tags */
.file-detail-tags {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--light-border);
}
.file-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
    max-height: 150px;
    overflow-y: auto;
}
.file-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(119,95,255,0.1);
    color: var(--primary);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* File Detail Actions */
.file-detail-actions {
    padding: 16px 24px;
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--light-border);
}
.file-detail-actions .btn {
    flex: 1;
}

/* Legacy row styles (keep for compatibility) */
.file-detail-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--light-border); }
.file-detail-row:last-child { border-bottom: none; }
.file-detail-label { color: var(--text-secondary); font-size: 0.9em; }
.file-detail-value { font-weight: 600; color: var(--text-primary); font-size: 0.9em; }

/* File Status Badge */
.file-status-badge { padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.file-status-badge.Uploaded { background: rgba(119,95,255,0.1); color: var(--primary); }
.file-status-badge.Processing { background: rgba(245,158,11,0.1); color: var(--warning); }
.file-status-badge.Processed { background: rgba(16,185,129,0.1); color: var(--success); }
.file-status-badge.Error { background: rgba(239,68,68,0.1); color: var(--danger); }
.file-status-badge.DownloadFailed { background: rgba(239,68,68,0.1); color: var(--danger); }

/* File Error Display */
.file-detail-error {
    margin-top: 12px;
    padding: 12px;
    background: rgba(239,68,68,0.05);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: 8px;
}
.file-detail-error .error-message {
    color: var(--danger);
    font-size: 0.9em;
    word-break: break-word;
}

/* Mini Drop Zone */
.drop-zone-mini {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px dashed var(--primary-light);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85em;
    color: var(--text-secondary);
    transition: all 0.2s;
    background: rgba(119,95,255,0.03);
}
.drop-zone-mini:hover, .drop-zone-mini.dragover {
    border-color: var(--primary);
    background: rgba(119,95,255,0.08);
    color: var(--primary);
}

/* Workspace panel drop zone */
#workspacePanelBody.dragover {
    background: rgba(119,95,255,0.05);
    border: 2px dashed var(--primary-light);
    border-radius: 8px;
}
#workspacePanelBody.dragover .empty-state {
    opacity: 0.8;
}

/* Excluded files styling */
.tree-item.excluded {
    opacity: 0.5;
}
.tree-item.excluded .name {
    text-decoration: line-through;
    color: var(--text-muted);
}
.excluded-badge {
    font-size: 10px;
    background: var(--warning);
    color: #fff;
    padding: 1px 6px;
    border-radius: 8px;
    margin-left: 6px;
}

/* Upload Progress Modal */
.upload-progress-list {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.upload-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--light-bg);
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.upload-item.uploading {
    border-color: var(--primary-light);
    background: rgba(119,95,255,0.05);
}
.upload-item.success {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
}
.upload-item.error {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
}
.upload-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}
.upload-item-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 600px;
}
.upload-item-size {
    font-size: 11px;
    color: var(--text-muted);
}
.upload-item-status {
    flex-shrink: 0;
}
.upload-status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}
.upload-status.pending {
    color: var(--text-muted);
}
.upload-status.uploading {
    color: var(--primary);
}
.upload-status.success {
    color: var(--success);
}
.upload-status.error {
    color: var(--error);
}
.upload-progress-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}
.upload-failed {
    color: var(--error);
}
.upload-done {
    color: var(--success);
    font-weight: 500;
}

/* Workspace Search */
.workspace-search {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 12px;
    padding: 6px 10px;
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-radius: 6px;
    box-sizing: border-box;
}
.workspace-search:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(119, 95, 255, 0.1);
}
.workspace-search:focus-within svg.search-icon {
    color: var(--primary);
}
.workspace-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13px;
    outline: none;
    padding: 0;
    margin: 0;
    color: var(--text-primary);
    min-width: 0;
    height: 18px;
    line-height: 18px;
}
.workspace-search input::placeholder {
    color: var(--text-muted);
}
.workspace-search svg.search-icon {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: color 0.15s;
    width: 14px;
    height: 14px;
    vertical-align: middle;
}
.workspace-search .search-count {
    font-size: 12px;
    color: var(--primary);
    white-space: nowrap;
    padding: 3px 10px;
    background: rgba(119, 95, 255, 0.1);
    border-radius: 12px;
    font-weight: 500;
}
.workspace-search .search-count:empty {
    display: none;
}
.workspace-search .search-clear {
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 18px;
    line-height: 1;
    font-weight: 300;
    transition: all 0.15s;
    opacity: 0;
    pointer-events: none;
}
.workspace-search input:not(:placeholder-shown) ~ .search-clear {
    opacity: 1;
    pointer-events: auto;
}
.workspace-search .search-clear:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Workspace Status Filter */
.workspace-filter {
    padding: 4px 8px;
    font-size: 12px;
    border: 1px solid var(--light-border);
    border-radius: 4px;
    background: var(--light-card);
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    min-width: 120px;
}
.workspace-filter:focus {
    border-color: var(--primary-light);
}
.workspace-filter:not([value="all"]) {
    border-color: var(--primary);
    background: rgba(119, 95, 255, 0.05);
}

/* Search match highlighting */
.tree-item mark {
    background: rgba(245, 158, 11, 0.3);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}
.tree-item.search-current {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.5);
}
.tree-item.search-current mark {
    background: rgba(245, 158, 11, 0.5);
}

/* Hidden items during search */
.tree-node.search-hidden {
    display: none;
}
.tree-node.search-match > .tree-item {
    background: rgba(119, 95, 255, 0.05);
}

/* Download failed badge in tree */
.download-failed-badge {
    font-size: 12px;
    margin-left: 6px;
    flex-shrink: 0;
    color: var(--danger);
}
.tree-item.download-failed {
    background: rgba(239, 68, 68, 0.08);
    border-left: 3px solid var(--danger);
}
.tree-item.download-failed:hover {
    background: rgba(239, 68, 68, 0.12);
}

.btn-success {
    background: var(--success);
    color: white;
    border-color: var(--success);
}
.btn-success:hover {
    background: #059669;
    border-color: #059669;
}
.btn-secondary {
    background: var(--light-bg);
    color: var(--text-secondary);
    border-color: var(--light-border);
}
.btn-secondary:hover {
    background: var(--light-border);
}

/* AI Verify button spinner */
.spinner-small {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 6px;
    vertical-align: middle;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Verify option checkbox */
.verify-option {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    margin-left: 8px;
}
.verify-option input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--primary);
    cursor: pointer;
}
.verify-option span {
    user-select: none;
}