style(translate): make LLM cards compact in a 3-column grid, remove glossary language filtering, and add contextual help under engine selection

frontend/src/app/dashboard/translate/GlossarySelector.tsx

@@ -222,11 +222,7 @@ export function GlossarySelector({ sourceLang, targetLang, isPro, mode, glossary
   const sourceFlag = SUPPORTED_LANGUAGES.find(l => l.code === sourceLang)?.flag ?? '';
   const targetFlag = SUPPORTED_LANGUAGES.find(l => l.code === targetLang)?.flag ?? '';
 
-  const langFiltered = sourceLang === 'auto'
-    ? glossaries
-    : glossaries.filter(g => g.source_language === sourceLang);
-
-  const filteredGlossaries = langFiltered.length > 0 ? langFiltered : glossaries;
+  const filteredGlossaries = glossaries;
   const selected = glossaries.find(g => g.id === glossaryId);
   return (
     <div

frontend/src/app/dashboard/translate/ProviderSelector.tsx

@@ -135,7 +135,6 @@ export function ProviderSelector({
     const isSelected = provider === p.id;
     const meta = CLASSIC_THEMES[p.id];
     const label = meta?.labelOverride || p.label;
-    const description = meta?.descriptionOverride || p.description;
 
     return (
       <button
@@ -143,37 +142,24 @@ export function ProviderSelector({
         type="button"
         onClick={() => onProviderChange(p.id)}
         className={cn(
-          'relative overflow-hidden w-full text-start rounded-2xl border p-4 transition-all duration-300 active:scale-[0.99] flex items-start gap-3.5',
+          'p-2 py-1.5 rounded-lg border text-left transition-all relative overflow-hidden flex flex-col justify-center min-h-[44px]',
           isSelected
-            ? 'border-brand-accent bg-brand-muted/20 dark:bg-zinc-800/40 ring-1 ring-brand-accent/20'
-            : 'border-brand-dark/10 dark:border-white/10 bg-white dark:bg-[#141414] hover:border-brand-accent/30 dark:hover:border-brand-accent/30 hover:scale-[1.005]'
+            ? 'border-brand-accent bg-brand-accent/5 dark:bg-brand-accent/10'
+            : 'border-black/[0.05] dark:border-white/[0.05] bg-brand-muted/20 dark:bg-zinc-800/10 hover:bg-brand-muted/50 dark:hover:bg-zinc-800/20'
         )}
       >
-        {/* Radio Indicator */}
-        <div className={cn(
-          'mt-0.5 flex size-4 shrink-0 items-center justify-center rounded-full border transition-colors',
-          isSelected ? 'border-brand-accent bg-brand-accent' : 'border-brand-dark/20 dark:border-white/20'
-        )}>
-          {isSelected && <div className="size-1.5 rounded-full bg-white" />}
-        </div>
-
-        {/* Content */}
-        <div className="flex-1 min-w-0 flex flex-col gap-0.5">
+        <div className="flex items-center justify-between">
           <span className={cn(
-            'text-xs font-semibold leading-tight tracking-tight',
-            isSelected ? 'text-brand-dark dark:text-white' : 'text-brand-dark/80 dark:text-white/80'
+            "text-[8px] font-black uppercase tracking-tight truncate flex-1",
+            isSelected ? 'text-brand-accent' : 'text-brand-dark/40 dark:text-white/40'
           )}>
-            {label}
-          </span>
-          <span className="text-[11px] text-brand-dark/50 dark:text-white/50 leading-relaxed font-light">
-            {description}
+            Standard
           </span>
+          {isSelected && <div className="w-1.5 h-1.5 rounded-full bg-brand-accent animate-pulse shrink-0 ml-1" />}
         </div>
-
-        {/* Selected badge */}
-        {isSelected && (
-          <CheckCircle2 className="size-4 shrink-0 text-brand-accent" />
-        )}
+        <span className="text-[10px] font-bold text-brand-dark dark:text-white block leading-tight truncate">
+          {label}
+        </span>
       </button>
     );
   };
@@ -181,7 +167,6 @@ export function ProviderSelector({
   const renderLlmCard = (p: AvailableProvider, locked: boolean) => {
     const isSelected = provider === p.id;
     const theme = LLM_THEMES[p.id] || DEFAULT_LLM_THEME;
-    const description = theme.descriptionOverride || p.description;
 
     return (
       <button
@@ -190,73 +175,36 @@ export function ProviderSelector({
         disabled={locked}
         onClick={() => !locked && onProviderChange(p.id)}
         className={cn(
-          'group relative overflow-hidden w-full text-start rounded-2xl border p-4 transition-all duration-300 flex flex-col gap-2.5',
+          'p-2 py-1.5 rounded-lg border text-left transition-all relative overflow-hidden flex flex-col justify-between min-h-[58px]',
           isSelected
-            ? 'border-brand-accent bg-gradient-to-br from-brand-muted/30 via-white to-brand-accent/[0.03] dark:via-[#141414] dark:to-brand-accent/[0.05] ring-1 ring-brand-accent/20 scale-[1.01]'
+            ? 'border-brand-accent bg-brand-accent/5 dark:bg-brand-accent/10'
             : locked
             ? 'cursor-not-allowed border-brand-dark/5 dark:border-white/5 bg-brand-dark/[0.01] dark:bg-white/[0.01] opacity-50'
-            : 'border-brand-dark/10 dark:border-white/10 bg-white dark:bg-[#141414] hover:border-brand-accent/30 dark:hover:border-brand-accent/30 hover:scale-[1.005]'
+            : 'border-black/[0.05] dark:border-white/[0.05] bg-brand-muted/20 dark:bg-zinc-800/10 hover:bg-brand-muted/50 dark:hover:bg-zinc-800/20'
         )}
       >
-        {/* Glow effect when selected or hovered */}
-        <div className={cn(
-          'absolute inset-0 bg-gradient-to-r opacity-0 transition-opacity duration-300 pointer-events-none',
-          theme.glowClass,
-          isSelected ? 'opacity-100' : 'group-hover:opacity-40'
-        )} />
-
-        {/* Top line with label and category badge */}
-        <div className="relative flex items-center justify-between gap-2 z-10">
+        <div className="flex items-center justify-between mb-0.5">
           <span className={cn(
-            'text-xs font-semibold tracking-tight',
-            isSelected ? 'text-brand-dark dark:text-white' : locked ? 'text-brand-dark/40 dark:text-white/40' : 'text-brand-dark/80 dark:text-white/80'
-          )}>
-            {p.label}
-          </span>
-          <span className={cn(
-            'text-[9px] font-bold uppercase tracking-wider px-2 py-0.5 rounded-full border',
-            theme.accentClass
+            "text-[8px] font-black uppercase tracking-tight truncate flex-1",
+            isSelected ? 'text-brand-accent' : 'text-brand-dark/40 dark:text-white/40'
           )}>
             {theme.badge}
           </span>
+          {isSelected && <div className="w-1.5 h-1.5 rounded-full bg-brand-accent animate-pulse shrink-0 ml-1" />}
+          {locked && <Lock className="size-2 text-brand-dark/40 dark:text-white/40 shrink-0 ml-1" />}
         </div>
-
-        {/* Middle description */}
-        <div className="relative z-10 flex flex-col gap-1">
-          <span className="text-[9px] font-bold tracking-widest text-brand-dark/40 dark:text-white/30 uppercase">
-            {theme.subBadge}
-          </span>
-          <p className="text-[11px] text-brand-dark/65 dark:text-white/60 leading-relaxed font-light">
-            {description}
-          </p>
-        </div>
-
-        {/* Bottom meta & status */}
-        <div className="relative z-10 flex items-center justify-between mt-1 pt-2 border-t border-brand-dark/5 dark:border-white/5">
-          <span className="text-[9px] font-mono text-brand-dark/40 dark:text-white/40 tracking-tight">
-            {p.model || 'model-default'}
-          </span>
-          
-          {locked ? (
-            <span className="flex items-center gap-1 text-[9px] font-bold text-brand-dark/45 dark:text-white/45 uppercase tracking-widest">
-              <Lock className="size-3 text-brand-dark/40 dark:text-white/40" /> PRO
-            </span>
-          ) : isSelected ? (
-            <span className="flex items-center gap-1 text-[9px] font-bold text-brand-accent uppercase tracking-widest">
-              <CheckCircle2 className="size-3 text-brand-accent" /> ACTIF
-            </span>
-          ) : (
-            <span className="text-[9px] text-brand-dark/35 dark:text-white/35 uppercase tracking-widest group-hover:text-brand-accent transition-colors font-medium">
-              Sélectionner
-            </span>
-          )}
-        </div>
+        <span className="text-[10px] font-bold text-brand-dark dark:text-white block leading-none mb-0.5 truncate">
+          {p.label}
+        </span>
+        <span className="text-[7.5px] text-brand-dark/40 dark:text-white/45 uppercase font-bold block leading-none truncate">
+          {theme.subBadge}
+        </span>
       </button>
     );
   };
 
   return (
-    <div className="flex flex-col gap-4">
+    <div className="flex flex-col gap-3">
       {/* Title */}
       <div className="flex items-center justify-between">
         <label className="text-[10px] font-bold uppercase tracking-[0.2em] text-brand-dark/40 dark:text-white/45">
@@ -270,7 +218,7 @@ export function ProviderSelector({
           type="button"
           onClick={() => setActiveTab('classic')}
           className={cn(
-            'py-2 text-xs font-semibold rounded-lg transition-all duration-200',
+            'py-1.5 text-xs font-semibold rounded-lg transition-all duration-200',
             activeTab === 'classic'
               ? 'bg-white dark:bg-zinc-900 text-brand-dark dark:text-white shadow-sm'
               : 'text-brand-dark/50 dark:text-white/40 hover:text-brand-dark dark:hover:text-white'
@@ -282,7 +230,7 @@ export function ProviderSelector({
           type="button"
           onClick={() => setActiveTab('llm')}
           className={cn(
-            'py-2 text-xs font-semibold rounded-lg transition-all duration-200 flex items-center justify-center gap-1.5',
+            'py-1.5 text-xs font-semibold rounded-lg transition-all duration-200 flex items-center justify-center gap-1.5',
             activeTab === 'llm'
               ? 'bg-white dark:bg-zinc-900 text-brand-dark dark:text-white shadow-sm'
               : 'text-brand-dark/50 dark:text-white/40 hover:text-brand-dark dark:hover:text-white'
@@ -295,43 +243,72 @@ export function ProviderSelector({
       </div>
 
       {/* Active Tab List */}
-      <div className="space-y-3">
+      <div className="space-y-2">
         {activeTab === 'classic' ? (
           classicProviders.length > 0 ? (
-            <div className="grid grid-cols-1 gap-2.5">
+            <div className="grid grid-cols-2 gap-2">
               {classicProviders.map((p) => renderClassicCard(p))}
             </div>
           ) : (
-            <p className="text-xs text-brand-dark/40 dark:text-white/30 text-center py-6 border border-dashed border-brand-dark/10 dark:border-white/10 rounded-2xl font-light">
+            <p className="text-xs text-brand-dark/40 dark:text-white/30 text-center py-4 border border-dashed border-brand-dark/10 dark:border-white/10 rounded-xl font-light">
               Aucun traducteur standard disponible.
             </p>
           )
         ) : (
           llmProviders.length > 0 ? (
-            <div className="grid grid-cols-1 gap-3">
+            <div className="grid grid-cols-3 gap-2">
               {llmProviders.map((p) => renderLlmCard(p, !isPro))}
             </div>
           ) : (
-            <p className="text-xs text-brand-dark/40 dark:text-white/30 text-center py-6 border border-dashed border-brand-dark/10 dark:border-white/10 rounded-2xl font-light">
+            <p className="text-xs text-brand-dark/40 dark:text-white/30 text-center py-4 border border-dashed border-brand-dark/10 dark:border-white/10 rounded-xl font-light">
               Aucun modèle IA configuré.
             </p>
           )
         )}
+
+        {/* Dynamic Contextual Help Area */}
+        {provider && (
+          <div className="mt-1 p-2.5 rounded-lg bg-brand-muted/20 dark:bg-white/[0.01] border border-black/[0.03] dark:border-white/[0.03]">
+            {activeTab === 'classic' ? (
+              (() => {
+                const activeP = classicProviders.find(p => p.id === provider);
+                const meta = activeP ? CLASSIC_THEMES[activeP.id] : null;
+                return activeP ? (
+                  <p className="text-[10px] text-brand-dark/60 dark:text-white/60 leading-normal font-light">
+                    <span className="font-bold text-brand-dark dark:text-white">{meta?.labelOverride || activeP.label} : </span>
+                    {meta?.descriptionOverride || activeP.description}
+                  </p>
+                ) : null;
+              })()
+            ) : (
+              (() => {
+                const activeP = llmProviders.find(p => p.id === provider);
+                const theme = activeP ? (LLM_THEMES[activeP.id] || DEFAULT_LLM_THEME) : null;
+                return activeP && theme ? (
+                  <p className="text-[10px] text-brand-dark/60 dark:text-white/60 leading-normal font-light">
+                    <span className="font-bold text-brand-dark dark:text-white">{activeP.label} : </span>
+                    {theme.descriptionOverride} <span className="opacity-50 text-[9px] font-mono">({activeP.model || 'default'})</span>
+                  </p>
+                ) : null;
+              })()
+            )}
+          </div>
+        )}
       </div>
 
       {/* Pro upgrade banner when llm is active and user is not pro */}
       {!isPro && activeTab === 'llm' && (
-        <div className="p-4 rounded-2xl border border-brand-accent/20 bg-brand-accent/[0.02] dark:bg-brand-accent/[0.01] text-center flex flex-col items-center gap-2">
-          <Sparkles className="size-4 text-brand-accent animate-pulse" />
-          <span className="text-xs font-semibold text-brand-dark dark:text-white">
+        <div className="p-3.5 rounded-xl border border-brand-accent/20 bg-brand-accent/[0.02] dark:bg-brand-accent/[0.01] text-center flex flex-col items-center gap-1.5">
+          <Sparkles className="size-3.5 text-brand-accent animate-pulse" />
+          <span className="text-[11px] font-bold text-brand-dark dark:text-white leading-none">
             {t('dashboard.translate.provider.llmDivider') || 'Intelligence Artificielle Active'}
           </span>
-          <p className="text-[10.5px] text-brand-dark/50 dark:text-white/50 leading-relaxed max-w-[280px] font-light">
-            Débloquez la traduction contextuelle haut de gamme pour des documents entiers tout en préservant le ton exact.
+          <p className="text-[9.5px] text-brand-dark/50 dark:text-white/50 leading-relaxed font-light">
+            Débloquez la traduction contextuelle haut de gamme pour vos documents entiers.
           </p>
           <a
             href="/pricing"
-            className="mt-1 w-full inline-flex items-center justify-center py-2 px-3 rounded-xl bg-brand-dark dark:bg-white text-white dark:text-brand-dark text-xs font-medium hover:opacity-95 active:scale-[0.98] transition-all shadow-sm"
+            className="w-full inline-flex items-center justify-center py-1.5 rounded-lg bg-brand-dark dark:bg-white text-white dark:text-brand-dark text-[10px] font-semibold hover:opacity-95 active:scale-[0.98] transition-all shadow-sm"
           >
             {t('dashboard.translate.provider.upgrade') || 'Passer Pro'}
           </a>