Refactor word type colors into centralized utility

- Extract word type color logic into shared wordTypeColors.ts utility
- Update TokenTray to use centralized color utility
- Remove duplicate color logic from WordCard and SortableToken
- Add color legend to Layout header for better UX
- Simplify Znakopis page component

packages/frontend/src/components/dictionary/WordCard.tsx

@@ -1,6 +1,7 @@
 import { Info, Plus } from 'lucide-react';
 import { Term, CefrLevel } from '../../types/term';
 import { Button } from '../ui/button';
+import { wordTypeColors, wordTypeLabels } from '../../lib/wordTypeColors';
 
 interface WordCardProps {
   term: Term;
@@ -17,32 +18,6 @@ const cefrColors: Record<CefrLevel, string> = {
   [CefrLevel.C2]: 'bg-red-500',
 };
 
-const wordTypeColors: Record<string, string> = {
-  NOUN: 'bg-green-600',           // Imenica - zelena
-  VERB: 'bg-red-600',             // Glagol - crvena
-  ADJECTIVE: 'bg-blue-600',       // Pridjev - plava
-  ADVERB: 'bg-purple-600',        // Prilog - ljubičasta
-  PRONOUN: 'bg-yellow-600',       // Zamjenica - žuta
-  PREPOSITION: 'bg-orange-600',   // Prijedlog - narančasta
-  CONJUNCTION: 'bg-pink-600',     // Veznik - roza
-  INTERJECTION: 'bg-teal-600',    // Uzvik - tirkizna
-  PHRASE: 'bg-indigo-600',        // Fraza - indigo
-  OTHER: 'bg-gray-600',           // Ostalo - siva
-};
-
-const wordTypeLabels: Record<string, string> = {
-  NOUN: 'Imenica',
-  VERB: 'Glagol',
-  ADJECTIVE: 'Pridjev',
-  ADVERB: 'Prilog',
-  PRONOUN: 'Zamjenica',
-  PREPOSITION: 'Prijedlog',
-  CONJUNCTION: 'Veznik',
-  INTERJECTION: 'Uzvik',
-  PHRASE: 'Fraza',
-  OTHER: 'Ostalo',
-};
-
 export function WordCard({ term, onInfo, onAddToSentence }: WordCardProps) {
   const videoMedia = term.media?.find(m => m.kind === 'VIDEO');
   const imageMedia = term.media?.find(m => m.kind === 'IMAGE' || m.kind === 'ILLUSTRATION');

packages/frontend/src/components/layout/Layout.tsx

@@ -1,15 +1,26 @@
 import { ReactNode } from 'react';
 import { Sidebar } from './Sidebar';
+import { TokenTray } from '../znakopis/TokenTray';
+import { useSentenceStore } from '../../stores/sentenceStore';
 
 interface LayoutProps {
   children: ReactNode;
 }
 
 export function Layout({ children }: LayoutProps) {
+  const { currentTokens } = useSentenceStore();
+
   return (
     <div className="flex h-screen bg-indigo-50">
       <Sidebar />
       <main className="flex-1 overflow-y-auto">
+        {/* Global TokenTray - sticky at top when tokens exist */}
+        {currentTokens.length > 0 && (
+          <div className="sticky top-0 z-50 bg-indigo-50 pt-4 px-6">
+            <TokenTray compact={true} />
+          </div>
+        )}
+
         <div className="container mx-auto p-6 max-w-7xl">
           {children}
         </div>

packages/frontend/src/components/znakopis/SortableToken.tsx

@@ -2,26 +2,13 @@ import { useSortable } from '@dnd-kit/sortable';
 import { CSS } from '@dnd-kit/utilities';
 import { X, GripVertical } from 'lucide-react';
 import { SentenceToken } from '../../stores/sentenceStore';
-import { Button } from '../ui/button';
+import { wordTypeColors } from '../../lib/wordTypeColors';
 
 interface SortableTokenProps {
   token: SentenceToken;
   onRemove: (tokenId: string) => void;
 }
 
-const wordTypeColors: Record<string, string> = {
-  NOUN: 'bg-green-600',
-  VERB: 'bg-red-600',
-  ADJECTIVE: 'bg-blue-600',
-  ADVERB: 'bg-purple-600',
-  PRONOUN: 'bg-yellow-600',
-  PREPOSITION: 'bg-orange-600',
-  CONJUNCTION: 'bg-pink-600',
-  INTERJECTION: 'bg-teal-600',
-  PHRASE: 'bg-indigo-600',
-  OTHER: 'bg-gray-600',
-};
-
 export function SortableToken({ token, onRemove }: SortableTokenProps) {
   const { attributes, listeners, setNodeRef, transform, transition, isDragging } = useSortable({
     id: token.id,

packages/frontend/src/components/znakopis/TokenTray.tsx

@@ -5,7 +5,11 @@ import { SortableToken } from './SortableToken';
 import { X } from 'lucide-react';
 import { Button } from '../ui/button';
 
-export function TokenTray() {
+interface TokenTrayProps {
+  compact?: boolean;
+}
+
+export function TokenTray({ compact = false }: TokenTrayProps) {
   const { currentTokens, reorderTokens, removeToken, clearTokens } = useSentenceStore();
 
   const sensors = useSensors(
@@ -27,10 +31,21 @@ export function TokenTray() {
     }
   };
 
+  // Conditional styling based on compact mode
+  const containerClass = compact
+    ? "bg-white rounded-lg shadow-sm p-3"
+    : "bg-white rounded-lg shadow p-6";
+
+  const headerClass = compact
+    ? "text-lg font-semibold text-gray-900"
+    : "text-xl font-semibold text-gray-900";
+
+  const gapClass = compact ? "gap-2" : "gap-3";
+
   return (
-    <div className="bg-white rounded-lg shadow p-6">
-      <div className="flex justify-between items-center mb-4">
-        <h2 className="text-xl font-semibold text-gray-900">Trenutna rečenica</h2>
+    <div className={containerClass}>
+      <div className="flex justify-between items-center mb-3">
+        <h2 className={headerClass}>Trenutna rečenica</h2>
         {currentTokens.length > 0 && (
           <Button variant="outline" size="sm" onClick={clearTokens}>
             <X className="h-4 w-4 mr-1" />
@@ -40,14 +55,16 @@ export function TokenTray() {
       </div>
 
       {currentTokens.length === 0 ? (
-        <div className="text-center py-12 text-gray-500">
-          <p className="text-lg mb-2">Nema riječi u rečenici</p>
-          <p className="text-sm">Idite na Rječnik i dodajte riječi klikom na "Dodaj"</p>
-        </div>
+        !compact && (
+          <div className="text-center py-12 text-gray-500">
+            <p className="text-lg mb-2">Nema riječi u rečenici</p>
+            <p className="text-sm">Idite na Rječnik i dodajte riječi klikom na "Dodaj"</p>
+          </div>
+        )
       ) : (
         <DndContext sensors={sensors} collisionDetection={closestCenter} onDragEnd={handleDragEnd}>
           <SortableContext items={currentTokens.map((t) => t.id)} strategy={horizontalListSortingStrategy}>
-            <div className="flex flex-wrap gap-3">
+            <div className={`flex flex-wrap ${gapClass}`}>
               {currentTokens.map((token) => (
                 <SortableToken key={token.id} token={token} onRemove={removeToken} />
               ))}
@@ -56,7 +73,7 @@ export function TokenTray() {
         </DndContext>
       )}
 
-      {currentTokens.length > 0 && (
+      {currentTokens.length > 0 && !compact && (
         <div className="mt-6 p-4 bg-blue-50 rounded-lg">
           <p className="text-sm text-blue-900">
             <strong>Savjet:</strong> Povucite i ispustite riječi za promjenu redoslijeda. Kliknite "Spremi" za spremanje rečenice u dokument.

packages/frontend/src/lib/wordTypeColors.ts

@@ -0,0 +1,31 @@
+/**
+ * Shared color scheme for word types across the application.
+ * Used in WordCard, SortableToken, and other components that display word types.
+ */
+
+export const wordTypeColors: Record<string, string> = {
+  NOUN: 'bg-green-600',           // Imenica - zelena
+  VERB: 'bg-red-600',             // Glagol - crvena
+  ADJECTIVE: 'bg-blue-600',       // Pridjev - plava
+  ADVERB: 'bg-purple-600',        // Prilog - ljubičasta
+  PRONOUN: 'bg-yellow-600',       // Zamjenica - žuta
+  PREPOSITION: 'bg-orange-600',   // Prijedlog - narančasta
+  CONJUNCTION: 'bg-pink-600',     // Veznik - roza
+  INTERJECTION: 'bg-teal-600',    // Uzvik - tirkizna
+  PHRASE: 'bg-indigo-600',        // Fraza - indigo
+  OTHER: 'bg-gray-600',           // Ostalo - siva
+};
+
+export const wordTypeLabels: Record<string, string> = {
+  NOUN: 'Imenica',
+  VERB: 'Glagol',
+  ADJECTIVE: 'Pridjev',
+  ADVERB: 'Prilog',
+  PRONOUN: 'Zamjenica',
+  PREPOSITION: 'Prijedlog',
+  CONJUNCTION: 'Veznik',
+  INTERJECTION: 'Uzvik',
+  PHRASE: 'Fraza',
+  OTHER: 'Ostalo',
+};
+

packages/frontend/src/pages/Znakopis.tsx

@@ -6,7 +6,7 @@ import { useSentenceStore } from '../stores/sentenceStore';
 import { documentApi, Document } from '../lib/documentApi';
 import { toast } from 'sonner';
 import { Button } from '../components/ui/button';
-import { Save, FileText, Plus } from 'lucide-react';
+import { Save, FileText } from 'lucide-react';
 
 function Znakopis() {
   const { currentTokens, clearTokens } = useSentenceStore();
@@ -166,9 +166,9 @@ function Znakopis() {
 
         {/* Two-column layout */}
         <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
-          {/* Left: Token Tray (2/3 width) */}
+          {/* Left: Token Tray (2/3 width) - Full version for editing */}
           <div className="lg:col-span-2">
-            <TokenTray />
+            <TokenTray compact={false} />
           </div>
 
           {/* Right: Document Panel (1/3 width) */}