feat: harmonize add-label

public/styles/main.css

@@ -6805,7 +6805,13 @@ html {
     margin: 0;
 }
 
+/* Node labels section - add-label-controls positioned at top */
+.labels-section .add-label-controls {
+    margin-bottom: 1rem;
+}
+
 .labels-list {
+    display: block;
     margin-bottom: 1.5rem;
 }
 
@@ -6886,88 +6892,8 @@ html {
     stroke-width: 2;
 }
 
-.add-label-section {
-    margin-bottom: 1.5rem;
-}
-
-.add-label-form {
-    display: flex;
-    align-items: end;
-    gap: 0.5rem;
-    padding: 0.75rem;
-    background: var(--bg-tertiary);
-    border: 1px solid var(--border-primary);
-    border-radius: 8px;
-}
-
-.add-label-form .form-group {
-    display: flex;
-    flex-direction: column;
-    gap: 0.25rem;
-    flex: 1;
-    min-width: 120px;
-}
-
-.add-label-form .form-group label {
-    font-size: 0.85rem;
-    font-weight: 500;
-    color: var(--text-secondary);
-}
-
-.add-label-form .form-group input {
-    background: var(--bg-secondary);
-    border: 1px solid var(--border-secondary);
-    border-radius: 6px;
-    padding: 0.5rem 0.75rem;
-    color: var(--text-primary);
-    font-size: 0.9rem;
-    transition: all 0.2s ease;
-}
-
-.add-label-form .form-group input:focus {
-    outline: none;
-    border-color: #60a5fa;
-    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
-}
-
-.add-label-form .form-group input::placeholder {
-    color: var(--text-tertiary);
-}
-
-.add-label-form .add-label-btn {
-    background: rgba(255, 255, 255, 0.1);
-    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;
-    margin-bottom: 1rem;
-}
-
-.add-label-form .add-label-btn:hover:not(:disabled) {
-    background: rgba(255, 255, 255, 0.15);
-    border-color: rgba(255, 255, 255, 0.25);
-    color: var(--text-primary);
-}
-
-.add-label-form .add-label-btn:disabled {
-    opacity: 0.5;
-    cursor: not-allowed;
-}
-
-.add-label-form .add-label-btn svg {
-    width: 16px;
-    height: 16px;
-    stroke: currentColor;
-    stroke-width: 2;
-}
+/* Old add-label-section and add-label-form styles removed - now using add-label-controls */
+/* Node labels use the same compact add-label-controls as firmware form */
 
 /* Add label button and save labels button inherit from base button styles */
 .add-label-btn {
@@ -7040,13 +6966,13 @@ html {
 
 /* Responsive adjustments for labels editor */
 @media (max-width: 768px) {
-    .add-label-form {
+    .add-label-controls {
         flex-direction: column;
         align-items: stretch;
     }
     
-    .form-group {
-        min-width: unset;
+    .add-label-controls .label-separator {
+        display: none;
     }
     
     .labels-actions {