Merge pull request 'feat: label editor' (#16) from feature/labels-editor into main

Reviewed-on: #16

index.js

@@ -678,6 +678,16 @@ app.post('/api/proxy-call', async (req, res) => {
       fetchOptions.body = bodyParams.toString();
     }
 
+    // Debug logging to trace upstream requests
+    try {
+      console.log('[proxy-call] →', upperMethod, fullUrl);
+      if (upperMethod !== 'GET') {
+        console.log('[proxy-call] body:', fetchOptions.body);
+      }
+    } catch (_) {
+      // ignore logging errors
+    }
+
     // Execute request
     const response = await fetch(fullUrl, fetchOptions);
     const respContentType = response.headers.get('content-type') || '';
@@ -690,6 +700,8 @@ app.post('/api/proxy-call', async (req, res) => {
     }
 
     if (!response.ok) {
+      // Surface upstream failure details for easier debugging
+      console.warn('[proxy-call] Upstream error', response.status, response.statusText, 'for', upperMethod, fullUrl);
       return res.status(response.status).json({
         error: 'Upstream request failed',
         status: response.status,
@@ -727,6 +739,31 @@ app.get('/api/node/status/:ip', async (req, res) => {
   }
 });
 
+// Endpoint to trigger a cluster refresh
+app.post('/api/cluster/refresh', async (req, res) => {
+  try {
+    const { reason } = req.body || {};
+    console.log(`🔄 Manual cluster refresh triggered: ${reason || 'unknown reason'}`);
+    console.log(`📡 WebSocket clients connected: ${wsClients.size}`);
+    
+    // Trigger a cluster update broadcast
+    broadcastMemberListChange(reason || 'manual_refresh');
+    
+    res.json({ 
+      success: true, 
+      message: 'Cluster refresh triggered',
+      reason: reason || 'manual_refresh',
+      wsClients: wsClients.size
+    });
+  } catch (error) {
+    console.error('Error triggering cluster refresh:', error);
+    res.status(500).json({ 
+      error: 'Failed to trigger cluster refresh',
+      message: error.message 
+    });
+  }
+});
+
 // File upload endpoint for firmware updates
 app.post('/api/node/update', async (req, res) => {
   try {
@@ -920,6 +957,13 @@ async function getCurrentClusterMembers() {
     const clusterResponse = await performWithFailover((client) => client.getClusterStatus());
     const apiMembers = clusterResponse.members || [];
     
+    // Debug: Log the labels from the API response
+    apiMembers.forEach(member => {
+      if (member.labels && Object.keys(member.labels).length > 0) {
+        console.log(`🏷️ API member ${member.ip} labels:`, member.labels);
+      }
+    });
+
     // Update our local discoveredNodes with fresh information from the API
     let updatedNodes = false;
     apiMembers.forEach(apiMember => {

public/scripts/api-client.js

@@ -120,6 +120,22 @@ class ApiClient {
             }
         });
     }
+
+    async getNodeLabels(ip) {
+        return this.request(`/api/node/status/${encodeURIComponent(ip)}`, { method: 'GET' });
+    }
+
+    async setNodeLabels(ip, labels) {
+        return this.request('/api/proxy-call', {
+            method: 'POST',
+            body: { 
+                ip: ip, 
+                method: 'POST', 
+                uri: '/api/node/config',
+                params: [{ name: 'labels', value: JSON.stringify(labels) }]
+            }
+        });
+    }
 }
 
 // Global API client instance

public/scripts/components/ClusterMembersComponent.js

@@ -504,6 +504,7 @@ class ClusterMembersComponent extends Component {
 		newMembers.forEach((newMember) => {
 			const prevMember = prevByIp.get(newMember.ip);
 			if (prevMember && this.hasMemberChanged(newMember, prevMember)) {
+				logger.debug('ClusterMembersComponent: Member changed, updating card for:', newMember.ip);
 				this.updateMemberCard(newMember);
 			}
 		});
@@ -511,9 +512,33 @@ class ClusterMembersComponent extends Component {
 
 	// Check if a specific member has changed
 	hasMemberChanged(newMember, prevMember) {
-		return newMember.status !== prevMember.status ||
+		// Check basic properties
+		if (newMember.status !== prevMember.status ||
 			newMember.latency !== prevMember.latency ||
-			   newMember.hostname !== prevMember.hostname;
+			newMember.hostname !== prevMember.hostname) {
+			return true;
+		}
+		
+		// Check labels for changes
+		const newLabels = newMember.labels || {};
+		const prevLabels = prevMember.labels || {};
+		
+		// Compare label keys
+		const newKeys = Object.keys(newLabels);
+		const prevKeys = Object.keys(prevLabels);
+		
+		if (newKeys.length !== prevKeys.length) {
+			return true;
+		}
+		
+		// Compare label values
+		for (const key of newKeys) {
+			if (newLabels[key] !== prevLabels[key]) {
+				return true;
+			}
+		}
+		
+		return false;
 	}
 
 	// Update a specific member card without re-rendering the entire component
@@ -551,6 +576,43 @@ class ClusterMembersComponent extends Component {
 		if (hostnameElement && member.hostname !== hostnameElement.textContent) {
 			hostnameElement.textContent = member.hostname || 'Unknown Device';
 		}
+
+		// Update labels (add/update/remove labels row as needed)
+		const labels = (member && typeof member.labels === 'object') ? member.labels : {};
+		const hasLabels = labels && Object.keys(labels).length > 0;
+		let labelsRow = card.querySelector('.member-row-2');
+		if (hasLabels) {
+			const chipsHtml = Object.entries(labels)
+				.map(([key, value]) => `<span class="label-chip">${this.escapeHtml(String(key))}: ${this.escapeHtml(String(value))}</span>`)
+				.join('');
+			if (labelsRow) {
+				const labelsContainer = labelsRow.querySelector('.member-labels');
+				if (labelsContainer) {
+					labelsContainer.innerHTML = chipsHtml;
+				}
+			} else {
+				// Create labels row below row-1
+				const memberInfo = card.querySelector('.member-info');
+				if (memberInfo) {
+					labelsRow = document.createElement('div');
+					labelsRow.className = 'member-row-2';
+					const labelsContainer = document.createElement('div');
+					labelsContainer.className = 'member-labels';
+					labelsContainer.innerHTML = chipsHtml;
+					labelsRow.appendChild(labelsContainer);
+					// Insert after the first row if present, otherwise append
+					const firstRow = memberInfo.querySelector('.member-row-1');
+					if (firstRow && firstRow.nextSibling) {
+						memberInfo.insertBefore(labelsRow, firstRow.nextSibling);
+					} else {
+						memberInfo.appendChild(labelsRow);
+					}
+				}
+			}
+		} else if (labelsRow) {
+			// No labels now: remove the labels row if it exists
+			labelsRow.remove();
+		}
 	}
 
 	render() {

public/scripts/components/NodeDetailsComponent.js

@@ -220,6 +220,190 @@ class NodeDetailsComponent extends Component {
         }
     }
 
+    // Labels editor handlers
+    handleAddLabel() {
+        const keyInput = this.findElement('#label-key');
+        const valueInput = this.findElement('#label-value');
+        
+        if (!keyInput || !valueInput) return;
+        
+        const key = keyInput.value.trim();
+        const value = valueInput.value.trim();
+        
+        if (!key || !value) return;
+        
+        // Check if key already exists
+        const existingLabel = this.findElement(`.label-item[data-key="${this.escapeHtml(key)}"]`);
+        if (existingLabel) {
+            this.showMessage(`Label '${key}' already exists`, 'warning');
+            return;
+        }
+        
+        // Add the label to the UI
+        this.addLabelToUI(key, value);
+        
+        // Clear inputs
+        keyInput.value = '';
+        valueInput.value = '';
+        
+        // Enable save button
+        const saveBtn = this.findElement('.save-labels-btn');
+        if (saveBtn) {
+            saveBtn.disabled = false;
+        }
+        
+        this.showMessage(`Label '${key}' added`, 'success');
+    }
+
+    handleRemoveLabel(key) {
+        const labelItem = this.findElement(`.label-item[data-key="${this.escapeHtml(key)}"]`);
+        if (labelItem) {
+            labelItem.remove();
+            
+            // Enable save button
+            const saveBtn = this.findElement('.save-labels-btn');
+            if (saveBtn) {
+                saveBtn.disabled = false;
+            }
+            
+            this.showMessage(`Label '${key}' removed`, 'success');
+        }
+    }
+
+    async handleSaveLabels() {
+        const saveBtn = this.findElement('.save-labels-btn');
+        if (!saveBtn) return;
+        
+        // Get current labels from UI
+        const labels = this.getCurrentLabelsFromUI();
+        
+        // Show loading state
+        const originalText = saveBtn.innerHTML;
+        saveBtn.disabled = true;
+        saveBtn.innerHTML = `
+            <svg class="spinning" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16">
+                <path d="M1 4v6h6" />
+                <path d="M23 20v-6h-6" />
+                <path d="M20.49 9A9 9 0 0 0 5.64 5.64L1 10m22 4l-4.64 4.36A9 9 0 0 1 3.51 15" />
+            </svg>
+            Saving...
+        `;
+        
+        try {
+            const nodeIp = this.viewModel.get('nodeIp');
+            if (!nodeIp) {
+                throw new Error('No node IP available');
+            }
+            
+            await window.apiClient.setNodeLabels(nodeIp, labels);
+            
+            // Disable save button
+            saveBtn.disabled = true;
+            saveBtn.innerHTML = originalText;
+            
+            this.showMessage('Labels saved successfully', 'success');
+            
+            // Trigger a cluster update to refresh member cards with new labels
+            // Add a small delay to allow the node to update its member list
+            setTimeout(() => {
+                this.triggerClusterUpdate();
+            }, 1000);
+            
+            // Don't refresh the entire node details - just update the labels in the current view
+            // The labels are already updated in the UI, no need to reload everything
+            
+        } catch (error) {
+            logger.error('Failed to save labels:', error);
+            saveBtn.disabled = false;
+            saveBtn.innerHTML = originalText;
+            this.showMessage(`Failed to save labels: ${error.message}`, 'error');
+        }
+    }
+
+    addLabelToUI(key, value) {
+        const labelsList = this.findElement('.labels-list');
+        if (!labelsList) return;
+        
+        // Remove no-labels message if it exists
+        const noLabels = labelsList.querySelector('.no-labels');
+        if (noLabels) {
+            noLabels.remove();
+        }
+        
+        const labelHtml = `
+            <div class="label-item" data-key="${this.escapeHtml(key)}">
+                <div class="label-content">
+                    <span class="label-key">${this.escapeHtml(key)}</span>
+                    <span class="label-separator">=</span>
+                    <span class="label-value">${this.escapeHtml(value)}</span>
+                </div>
+                <button class="label-remove-btn" data-key="${this.escapeHtml(key)}" title="Remove label">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16">
+                        <path d="M18 6L6 18M6 6l12 12"/>
+                    </svg>
+                </button>
+            </div>
+        `;
+        
+        labelsList.insertAdjacentHTML('beforeend', labelHtml);
+        
+        // Re-setup event listeners for the new remove button
+        const newRemoveBtn = labelsList.querySelector(`.label-remove-btn[data-key="${this.escapeHtml(key)}"]`);
+        if (newRemoveBtn) {
+            this.addEventListener(newRemoveBtn, 'click', (e) => {
+                const key = e.target.closest('.label-remove-btn').dataset.key;
+                this.handleRemoveLabel(key);
+            });
+        }
+    }
+
+    getCurrentLabelsFromUI() {
+        const labels = {};
+        const labelItems = this.findAllElements('.label-item');
+        
+        labelItems.forEach(item => {
+            const key = item.dataset.key;
+            const valueElement = item.querySelector('.label-value');
+            if (key && valueElement) {
+                labels[key] = valueElement.textContent;
+            }
+        });
+        
+        return labels;
+    }
+
+    showMessage(message, type = 'info') {
+        // Create a temporary message element
+        const messageEl = document.createElement('div');
+        messageEl.className = `labels-message labels-message-${type}`;
+        messageEl.textContent = message;
+        
+        // Add to the labels section
+        const labelsSection = this.findElement('.labels-section');
+        if (labelsSection) {
+            labelsSection.appendChild(messageEl);
+            
+            // Remove after 3 seconds
+            setTimeout(() => {
+                if (messageEl.parentNode) {
+                    messageEl.remove();
+                }
+            }, 3000);
+        }
+    }
+
+    async triggerClusterUpdate() {
+        try {
+            // Trigger a server-side cluster refresh to update the UI
+            await window.apiClient.request('/api/cluster/refresh', {
+                method: 'POST',
+                body: { reason: 'labels_updated' }
+            });
+        } catch (error) {
+            logger.error('Failed to trigger cluster refresh:', error);
+        }
+    }
+
     render() {
         const nodeStatus = this.viewModel.get('nodeStatus');
         const tasks = this.viewModel.get('tasks');
@@ -259,6 +443,7 @@ class NodeDetailsComponent extends Component {
             <div class="tabs-container">
                 <div class="tabs-header">
                     <button class="tab-button ${activeTab === 'status' ? 'active' : ''}" data-tab="status">Status</button>
+                    <button class="tab-button ${activeTab === 'labels' ? 'active' : ''}" data-tab="labels">Labels</button>
                     <button class="tab-button ${activeTab === 'endpoints' ? 'active' : ''}" data-tab="endpoints">Endpoints</button>
                     <button class="tab-button ${activeTab === 'tasks' ? 'active' : ''}" data-tab="tasks">Tasks</button>
                     <button class="tab-button ${activeTab === 'firmware' ? 'active' : ''}" data-tab="firmware">Firmware</button>
@@ -275,6 +460,10 @@ class NodeDetailsComponent extends Component {
                     ${this.renderStatusTab(nodeStatus, monitoringResources)}
                 </div>
                 
+                <div class="tab-content ${activeTab === 'labels' ? 'active' : ''}" id="labels-tab">
+                    ${this.renderLabelsTab(nodeStatus)}
+                </div>
+                
                 <div class="tab-content ${activeTab === 'endpoints' ? 'active' : ''}" id="endpoints-tab">
                     ${this.renderEndpointsTab(endpoints)}
                 </div>
@@ -292,6 +481,7 @@ class NodeDetailsComponent extends Component {
 
         this.setHTML('', html);
         this.setupTabs();
+        this.setupLabelsEditor();
         this.setupTabRefreshButton();
         // Restore last active tab from view model if available
         const restored = this.viewModel && typeof this.viewModel.get === 'function' ? this.viewModel.get('activeTab') : null;
@@ -325,6 +515,9 @@ class NodeDetailsComponent extends Component {
                     await this.viewModel.loadEndpointsData();
                 } else if (activeTab === 'tasks' && typeof this.viewModel.loadTasksData === 'function') {
                     await this.viewModel.loadTasksData();
+                } else if (activeTab === 'labels' && nodeIp && typeof this.viewModel.loadNodeDetails === 'function') {
+                    // labels tab: refresh node details to get updated labels
+                    await this.viewModel.loadNodeDetails(nodeIp);
                 } else if (activeTab === 'status' && typeof this.viewModel.loadMonitoringResources === 'function') {
                     // status tab: load monitoring resources
                     await this.viewModel.loadMonitoringResources();
@@ -512,6 +705,84 @@ class NodeDetailsComponent extends Component {
         `;
     }
 
+    renderLabelsTab(nodeStatus) {
+        const labels = nodeStatus?.labels || {};
+        const labelsArray = Object.entries(labels);
+        
+        let html = `
+            <div class="labels-section">
+                <div class="labels-header">
+                    <h3>Node Labels</h3>
+                    <p class="labels-description">Manage custom labels for this node. Labels help organize and identify nodes in your cluster.</p>
+                </div>
+                
+                <div class="labels-list">
+        `;
+        
+        if (labelsArray.length === 0) {
+            html += `
+                <div class="no-labels">
+                    <div>No labels configured</div>
+                    <div style="font-size: 0.9rem; margin-top: 0.5rem; opacity: 0.7;">Add labels to organize and identify this node</div>
+                </div>
+            `;
+        } else {
+            labelsArray.forEach(([key, value]) => {
+                html += `
+                    <div class="label-item" data-key="${this.escapeHtml(key)}">
+                        <div class="label-content">
+                            <span class="label-key">${this.escapeHtml(key)}</span>
+                            <span class="label-separator">=</span>
+                            <span class="label-value">${this.escapeHtml(value)}</span>
+                        </div>
+                        <button class="label-remove-btn" data-key="${this.escapeHtml(key)}" title="Remove label">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16">
+                                <path d="M18 6L6 18M6 6l12 12"/>
+                            </svg>
+                        </button>
+                    </div>
+                `;
+            });
+        }
+        
+        html += `
+                </div>
+                
+                <div class="add-label-section">
+                    <div class="add-label-form">
+                        <div class="form-group">
+                            <label for="label-key">Key:</label>
+                            <input type="text" id="label-key" placeholder="e.g., environment" maxlength="50">
+                        </div>
+                        <div class="form-group">
+                            <label for="label-value">Value:</label>
+                            <input type="text" id="label-value" placeholder="e.g., production" maxlength="100">
+                        </div>
+                        <button class="add-label-btn" type="button">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16">
+                                <path d="M12 5v14M5 12h14"/>
+                            </svg>
+                            Add Label
+                        </button>
+                    </div>
+                </div>
+                
+                <div class="labels-actions">
+                    <button class="save-labels-btn" type="button" disabled>
+                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16">
+                            <path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/>
+                            <polyline points="17,21 17,13 7,13 7,21"/>
+                            <polyline points="7,3 7,8 15,8"/>
+                        </svg>
+                        Save Changes
+                    </button>
+                </div>
+            </div>
+        `;
+        
+        return html;
+    }
+
     renderEndpointsTab(endpoints) {
         if (!endpoints || !Array.isArray(endpoints.endpoints) || endpoints.endpoints.length === 0) {
             return `
@@ -839,6 +1110,61 @@ class NodeDetailsComponent extends Component {
         });
     }
 
+    setupLabelsEditor() {
+        // Add label functionality
+        const addLabelBtn = this.findElement('.add-label-btn');
+        if (addLabelBtn) {
+            this.addEventListener(addLabelBtn, 'click', () => this.handleAddLabel());
+        }
+
+        // Remove label functionality
+        const removeButtons = this.findAllElements('.label-remove-btn');
+        removeButtons.forEach(btn => {
+            this.addEventListener(btn, 'click', (e) => {
+                const key = e.target.closest('.label-remove-btn').dataset.key;
+                this.handleRemoveLabel(key);
+            });
+        });
+
+        // Save labels functionality
+        const saveLabelsBtn = this.findElement('.save-labels-btn');
+        if (saveLabelsBtn) {
+            this.addEventListener(saveLabelsBtn, 'click', () => this.handleSaveLabels());
+        }
+
+        // Enter key support for adding labels
+        const keyInput = this.findElement('#label-key');
+        const valueInput = this.findElement('#label-value');
+        
+        if (keyInput) {
+            this.addEventListener(keyInput, 'keypress', (e) => {
+                if (e.key === 'Enter') {
+                    valueInput.focus();
+                }
+            });
+        }
+        
+        if (valueInput) {
+            this.addEventListener(valueInput, 'keypress', (e) => {
+                if (e.key === 'Enter') {
+                    this.handleAddLabel();
+                }
+            });
+        }
+
+        // Input validation
+        if (keyInput && valueInput) {
+            const validateInputs = () => {
+                const hasKey = keyInput.value.trim().length > 0;
+                const hasValue = valueInput.value.trim().length > 0;
+                addLabelBtn.disabled = !hasKey || !hasValue;
+            };
+
+            this.addEventListener(keyInput, 'input', validateInputs);
+            this.addEventListener(valueInput, 'input', validateInputs);
+        }
+    }
+
     // Update active tab without full re-render
     updateActiveTab(newTab, previousTab = null) {
         this.setActiveTab(newTab);

public/styles/main.css

@@ -5103,3 +5103,296 @@ html {
         font-size: 1.5rem;
     }
 }
+
+/* Labels Editor Styles */
+.labels-section {
+    padding: 1rem 0;
+}
+
+.labels-header {
+    margin-bottom: 1.5rem;
+}
+
+.labels-header h3 {
+    font-size: 1.1rem;
+    font-weight: 600;
+    color: var(--text-primary);
+    margin-bottom: 0.5rem;
+}
+
+.labels-description {
+    font-size: 0.9rem;
+    color: var(--text-secondary);
+    line-height: 1.4;
+    margin: 0;
+}
+
+.labels-list {
+    margin-bottom: 1.5rem;
+}
+
+.no-labels {
+    text-align: center;
+    padding: 2rem 1rem;
+    color: var(--text-tertiary);
+    background: rgba(255, 255, 255, 0.03);
+    border: 1px dashed var(--border-secondary);
+    border-radius: 8px;
+}
+
+.label-item {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0.75rem;
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    border-radius: 8px;
+    margin-bottom: 0.5rem;
+    transition: all 0.2s ease;
+}
+
+.label-item:hover {
+    background: var(--bg-hover);
+    border-color: var(--border-secondary);
+}
+
+.label-content {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    flex: 1;
+}
+
+.label-key {
+    font-weight: 600;
+    color: var(--accent-primary);
+    font-family: 'Courier New', monospace;
+    font-size: 0.9rem;
+}
+
+.label-separator {
+    color: var(--text-tertiary);
+    font-weight: 500;
+}
+
+.label-value {
+    color: var(--text-primary);
+    font-family: 'Courier New', monospace;
+    font-size: 0.9rem;
+}
+
+.label-remove-btn {
+    background: transparent;
+    border: 1px solid var(--border-secondary);
+    color: var(--text-tertiary);
+    border-radius: 6px;
+    padding: 0.25rem;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.label-remove-btn:hover {
+    background: var(--accent-error);
+    border-color: var(--accent-error);
+    color: white;
+}
+
+.label-remove-btn svg {
+    width: 14px;
+    height: 14px;
+    stroke: currentColor;
+    stroke-width: 2;
+}
+
+.add-label-section {
+    margin-bottom: 1.5rem;
+}
+
+.add-label-form {
+    display: flex;
+    gap: 0.75rem;
+    align-items: end;
+    flex-wrap: wrap;
+}
+
+.form-group {
+    display: flex;
+    flex-direction: column;
+    gap: 0.25rem;
+    flex: 1;
+    min-width: 120px;
+}
+
+.form-group label {
+    font-size: 0.85rem;
+    font-weight: 500;
+    color: var(--text-secondary);
+}
+
+.form-group input {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    border-radius: 6px;
+    padding: 0.5rem 0.75rem;
+    color: var(--text-primary);
+    font-size: 0.9rem;
+    transition: all 0.2s ease;
+}
+
+.form-group input:focus {
+    outline: none;
+    border-color: var(--accent-primary);
+    background: var(--bg-secondary);
+}
+
+.form-group input::placeholder {
+    color: var(--text-tertiary);
+}
+
+.add-label-btn {
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
+    border: 1px solid var(--border-secondary);
+    color: var(--text-secondary);
+    border-radius: 8px;
+    padding: 0.5rem 1rem;
+    cursor: pointer;
+    font-size: 0.9rem;
+    font-weight: 500;
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    transition: all 0.2s ease;
+    height: fit-content;
+}
+
+.add-label-btn:hover:not(:disabled) {
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
+    border-color: rgba(255, 255, 255, 0.25);
+    color: var(--text-primary);
+    transform: translateY(-1px);
+}
+
+.add-label-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    transform: none;
+}
+
+.add-label-btn svg {
+    width: 16px;
+    height: 16px;
+    stroke: currentColor;
+    stroke-width: 2;
+}
+
+.labels-actions {
+    display: flex;
+    justify-content: flex-end;
+    padding-top: 1rem;
+    margin-bottom: 1rem;
+    border-top: 1px solid var(--border-secondary);
+}
+
+.save-labels-btn {
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
+    border: 1px solid var(--border-secondary);
+    color: var(--text-secondary);
+    border-radius: 8px;
+    padding: 0.5rem 1rem;
+    cursor: pointer;
+    font-size: 0.9rem;
+    font-weight: 500;
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    transition: all 0.2s ease;
+}
+
+.save-labels-btn:hover:not(:disabled) {
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
+    border-color: rgba(255, 255, 255, 0.25);
+    color: var(--text-primary);
+    transform: translateY(-1px);
+}
+
+.save-labels-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    transform: none;
+}
+
+.save-labels-btn svg {
+    width: 16px;
+    height: 16px;
+    stroke: currentColor;
+    stroke-width: 2;
+}
+
+.labels-message {
+    padding: 0.75rem 1rem;
+    border-radius: 8px;
+    margin-top: 0.5rem;
+    font-size: 0.9rem;
+    font-weight: 500;
+    animation: slideIn 0.3s ease;
+}
+
+.labels-message-success {
+    background: rgba(16, 185, 129, 0.1);
+    border: 1px solid rgba(16, 185, 129, 0.2);
+    color: #10b981;
+}
+
+.labels-message-warning {
+    background: rgba(251, 191, 36, 0.1);
+    border: 1px solid rgba(251, 191, 36, 0.2);
+    color: #f59e0b;
+}
+
+.labels-message-error {
+    background: rgba(248, 113, 113, 0.1);
+    border: 1px solid rgba(248, 113, 113, 0.2);
+    color: #f87171;
+}
+
+.labels-message-info {
+    background: rgba(59, 130, 246, 0.1);
+    border: 1px solid rgba(59, 130, 246, 0.2);
+    color: #3b82f6;
+}
+
+@keyframes slideIn {
+    from {
+        opacity: 0;
+        transform: translateY(-10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+/* Responsive adjustments for labels editor */
+@media (max-width: 768px) {
+    .add-label-form {
+        flex-direction: column;
+        align-items: stretch;
+    }
+    
+    .form-group {
+        min-width: unset;
+    }
+    
+    .labels-actions {
+        justify-content: stretch;
+    }
+    
+    .save-labels-btn {
+        width: 100%;
+        justify-content: center;
+    }
+}