diff --git a/components/AlbyInstaller.tsx b/components/AlbyInstaller.tsx
index 40f4445..471a8f0 100644
--- a/components/AlbyInstaller.tsx
+++ b/components/AlbyInstaller.tsx
@@ -1,6 +1,6 @@
 import { useEffect, useState, useCallback } from 'react'
+import { Button, Card } from './ui'
 import { getAlbyService } from '@/lib/alby'
-import { Button } from './ui'
 
 interface AlbyInstallerProps {
   onInstalled?: () => void
@@ -119,7 +119,7 @@ export function AlbyInstaller({ onInstalled }: AlbyInstallerProps): React.ReactE
   }
 
   return (
-    <div className="bg-cyber-dark/50 border border-neon-cyan/30 rounded-lg p-4 mb-4">
+    <Card variant="default" className="bg-cyber-dark/50 mb-4">
       <div className="flex items-start">
         <div className="flex-shrink-0">
           <InfoIcon />
@@ -129,6 +129,6 @@ export function AlbyInstaller({ onInstalled }: AlbyInstallerProps): React.ReactE
           {...(onInstalled ? { onInstalled } : {})}
         />
       </div>
-    </div>
+    </Card>
   )
 }
diff --git a/components/ArticleFilters.tsx b/components/ArticleFilters.tsx
index 4a9b028..35cea91 100644
--- a/components/ArticleFilters.tsx
+++ b/components/ArticleFilters.tsx
@@ -1,6 +1,6 @@
 import React from 'react'
 import type { Article } from '@/types/nostr'
-import { Card } from './ui'
+import { Button, Card, Input } from './ui'
 import { t } from '@/lib/i18n'
 import { AuthorFilter } from './AuthorFilter'
 
@@ -69,9 +69,9 @@ function FiltersHeader({
     <div className="flex justify-between items-center mb-4">
       <h3 className="text-lg font-semibold text-neon-cyan">{t('filters.sort')}</h3>
       {hasActiveFilters && (
-        <button onClick={onClear} className="text-sm text-neon-cyan hover:text-neon-green font-medium transition-colors">
+        <Button onClick={onClear} variant="ghost" size="small" className="text-sm">
           {t('filters.clear')}
-        </button>
+        </Button>
       )}
     </div>
   )
@@ -94,7 +94,7 @@ function SortFilter({
         id="sort"
         value={value}
         onChange={(e: React.ChangeEvent<HTMLSelectElement>) => onChange(e.target.value as SortOption)}
-        className="block w-full px-3 py-2 border border-neon-cyan/30 rounded-lg focus:ring-2 focus:ring-neon-cyan focus:border-neon-cyan bg-cyber-dark text-cyber-accent hover:border-neon-cyan/50 transition-colors"
+        className="block w-full border border-neon-cyan/30 rounded-lg focus:ring-2 focus:ring-neon-cyan focus:border-neon-cyan bg-cyber-dark text-cyber-accent hover:border-neon-cyan/50 transition-colors"
       >
         <option value="newest" className="bg-cyber-dark">{t('filters.sort.newest')}</option>
         <option value="oldest" className="bg-cyber-dark">{t('filters.sort.oldest')}</option>
diff --git a/components/AuthorFilterDropdown.tsx b/components/AuthorFilterDropdown.tsx
index 1479f82..dc9924d 100644
--- a/components/AuthorFilterDropdown.tsx
+++ b/components/AuthorFilterDropdown.tsx
@@ -1,4 +1,5 @@
 import Image from 'next/image'
+import { Card } from './ui'
 import { t } from '@/lib/i18n'
 
 export function AuthorAvatar({ picture, displayName }: { picture?: string; displayName: string }): React.ReactElement {
@@ -214,20 +215,22 @@ export function AuthorDropdown({
 }): React.ReactElement {
   return (
     <div
-      className="absolute z-20 w-full mt-1 bg-cyber-dark border border-neon-cyan/30 rounded-lg shadow-glow-cyan max-h-60 overflow-auto"
+      className="absolute z-20 w-full mt-1"
       role="listbox"
     >
-      <AllAuthorsOption value={value} onChange={onChange} setIsOpen={setIsOpen} />
-      <AuthorDropdownContent
-        authors={authors}
-        value={value}
-        loading={loading}
-        getDisplayName={getDisplayName}
-        getPicture={getPicture}
-        getMnemonicIcons={getMnemonicIcons}
-        onChange={onChange}
-        setIsOpen={setIsOpen}
-      />
+      <Card variant="default" className="bg-cyber-dark shadow-glow-cyan max-h-60 overflow-auto">
+        <AllAuthorsOption value={value} onChange={onChange} setIsOpen={setIsOpen} />
+        <AuthorDropdownContent
+          authors={authors}
+          value={value}
+          loading={loading}
+          getDisplayName={getDisplayName}
+          getPicture={getPicture}
+          getMnemonicIcons={getMnemonicIcons}
+          onChange={onChange}
+          setIsOpen={setIsOpen}
+        />
+      </Card>
     </div>
   )
 }
diff --git a/components/CacheUpdateManager.tsx b/components/CacheUpdateManager.tsx
index 9467517..b26c53c 100644
--- a/components/CacheUpdateManager.tsx
+++ b/components/CacheUpdateManager.tsx
@@ -31,17 +31,17 @@ async function updateCache(): Promise<void> {
 
 function SuccessMessage(): React.ReactElement {
   return (
-    <div className="bg-green-900/20 border border-green-400/50 rounded-lg p-4 mb-4">
+    <Card variant="default" className="bg-green-900/20 border-green-400/50 mb-4">
       <p className="text-green-400">Cache mis à jour avec succès</p>
-    </div>
+    </Card>
   )
 }
 
 function NotConnectedMessage(): React.ReactElement {
   return (
-    <div className="bg-yellow-900/20 border border-yellow-400/50 rounded-lg p-4 mb-4">
+    <Card variant="default" className="bg-yellow-900/20 border-yellow-400/50 mb-4">
       <p className="text-yellow-400">Vous devez être connecté pour mettre à jour le cache</p>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/CategoryTabs.tsx b/components/CategoryTabs.tsx
index a906d84..c4dfb7d 100644
--- a/components/CategoryTabs.tsx
+++ b/components/CategoryTabs.tsx
@@ -1,3 +1,4 @@
+import { Button } from './ui'
 import { t } from '@/lib/i18n'
 
 type CategoryFilter = 'science-fiction' | 'scientific-research' | 'all' | null
@@ -12,26 +13,30 @@ export function CategoryTabs({ selectedCategory, onCategoryChange }: CategoryTab
     <div className="mb-6">
       <div className="border-b border-neon-cyan/30">
         <nav className="-mb-px flex space-x-8">
-          <button
+          <Button
+            type="button"
+            variant="ghost"
             onClick={() => onCategoryChange('science-fiction')}
-            className={`py-4 px-1 border-b-2 font-medium text-sm transition-colors ${
+            className={`py-4 px-1 border-b-2 font-medium text-sm transition-colors rounded-none ${
               selectedCategory === 'science-fiction'
                 ? 'border-neon-cyan text-neon-cyan'
                 : 'border-transparent text-cyber-accent/70 hover:text-neon-cyan hover:border-neon-cyan/50'
             }`}
           >
             {t('category.science-fiction')}
-          </button>
-          <button
+          </Button>
+          <Button
+            type="button"
+            variant="ghost"
             onClick={() => onCategoryChange('scientific-research')}
-            className={`py-4 px-1 border-b-2 font-medium text-sm transition-colors ${
+            className={`py-4 px-1 border-b-2 font-medium text-sm transition-colors rounded-none ${
               selectedCategory === 'scientific-research'
                 ? 'border-neon-cyan text-neon-cyan'
                 : 'border-transparent text-cyber-accent/70 hover:text-neon-cyan hover:border-neon-cyan/50'
             }`}
           >
             {t('category.scientific-research')}
-          </button>
+          </Button>
         </nav>
       </div>
     </div>
diff --git a/components/ConditionalPublishButton.tsx b/components/ConditionalPublishButton.tsx
index 19af9af..db71ea6 100644
--- a/components/ConditionalPublishButton.tsx
+++ b/components/ConditionalPublishButton.tsx
@@ -1,9 +1,10 @@
 import Link from 'next/link'
 import Image from 'next/image'
+import { useRouter } from 'next/router'
 import { useNostrAuth } from '@/hooks/useNostrAuth'
 import { useAuthorPresentation } from '@/hooks/useAuthorPresentation'
 import { useEffect, useState } from 'react'
-import { Button } from './ui'
+import { Button, Card } from './ui'
 import { t } from '@/lib/i18n'
 import type { Article } from '@/types/nostr'
 
@@ -28,11 +29,14 @@ function AuthorProfileLink({ presentation, profile }: { presentation: Article; p
   // Extract picture from presentation (bannerUrl or from JSON metadata) or profile
   const picture = presentation.bannerUrl ?? profile?.picture
 
+  const router = useRouter()
+
+  const handleClick = (): void => {
+    void router.push(`/author/${presentation.pubkey}`)
+  }
+
   return (
-    <Link
-      href={`/author/${presentation.pubkey}`}
-      className="flex items-center gap-2 px-3 py-2 bg-cyber-dark/50 hover:bg-cyber-dark border border-neon-cyan/20 hover:border-neon-cyan/40 rounded-lg transition-all"
-    >
+    <Card variant="interactive" onClick={handleClick} className="flex items-center gap-2 px-3 py-2 bg-cyber-dark/50">
       {picture ? (
         <div className="relative w-8 h-8 rounded-full overflow-hidden border border-neon-cyan/30 flex-shrink-0">
           <Image
@@ -49,7 +53,7 @@ function AuthorProfileLink({ presentation, profile }: { presentation: Article; p
         </div>
       )}
       <span className="text-sm text-neon-cyan font-medium truncate max-w-[120px]">{authorName}</span>
-    </Link>
+    </Card>
   )
 }
 
diff --git a/components/CreateAccountModalComponents.tsx b/components/CreateAccountModalComponents.tsx
index 2798387..b6f11f4 100644
--- a/components/CreateAccountModalComponents.tsx
+++ b/components/CreateAccountModalComponents.tsx
@@ -1,13 +1,14 @@
+import { Button, Card, ErrorState, Textarea } from '@/components/ui'
 import { t } from '@/lib/i18n'
 
 export function RecoveryWarning(): React.ReactElement {
   return (
-    <div className="bg-yellow-900/20 border border-yellow-400/50 rounded-lg p-4 mb-6">
+    <Card variant="default" className="bg-yellow-900/20 border-yellow-400/50 mb-6">
       <p className="text-yellow-400 font-semibold mb-2">{t('account.create.recovery.warning.title')}</p>
       <p className="text-yellow-300/90 text-sm" dangerouslySetInnerHTML={{ __html: t('account.create.recovery.warning.part1') }} />
       <p className="text-yellow-300/90 text-sm mt-2" dangerouslySetInnerHTML={{ __html: t('account.create.recovery.warning.part2') }} />
       <p className="text-yellow-300/90 text-sm mt-2">{t('account.create.recovery.warning.part3')}</p>
-    </div>
+    </Card>
   )
 }
 
@@ -22,27 +23,30 @@ export function RecoveryPhraseDisplay({
 }): React.ReactElement {
   const recoveryItems = buildRecoveryPhraseItems(recoveryPhrase)
   return (
-    <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6 mb-6">
+    <Card variant="default" className="bg-cyber-darker mb-6">
       <div className="grid grid-cols-2 gap-4 mb-4">
         {recoveryItems.map((item, index) => (
-          <div
+          <Card
             key={item.key}
-            className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-3 text-center font-mono text-lg"
+            variant="default"
+            className="bg-cyber-dark p-3 text-center font-mono text-lg"
           >
             <span className="text-cyber-accent/70 text-sm mr-2">{index + 1}.</span>
             <span className="font-semibold text-neon-cyan">{item.word}</span>
-          </div>
+          </Card>
         ))}
       </div>
-      <button
+      <Button
         onClick={() => {
           void onCopy()
         }}
-        className="w-full py-2 px-4 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg text-sm font-medium transition-colors"
+        variant="secondary"
+        size="small"
+        className="w-full"
       >
         {copied ? t('account.create.recovery.copied') : t('account.create.recovery.copy')}
-      </button>
-    </div>
+      </Button>
+    </Card>
   )
 }
 
@@ -57,10 +61,10 @@ function buildRecoveryPhraseItems(recoveryPhrase: string[]): { key: string; word
 
 export function PublicKeyDisplay({ npub }: { npub: string }): React.ReactElement {
   return (
-    <div className="bg-neon-blue/10 border border-neon-blue/30 rounded-lg p-4 mb-6">
+    <Card variant="default" className="bg-neon-blue/10 border-neon-blue/30 mb-6">
       <p className="text-neon-blue font-semibold mb-2">{t('account.create.publicKey')}</p>
       <p className="text-neon-cyan text-sm font-mono break-all">{npub}</p>
-    </div>
+    </Card>
   )
 }
 
@@ -75,21 +79,17 @@ export function ImportKeyForm({
 }): React.ReactElement {
   return (
     <>
-      <div className="mb-4">
-        <label htmlFor="importKey" className="block text-sm font-medium text-cyber-accent mb-2">
-          {t('account.create.importKey.label')}
-        </label>
-        <textarea
-          id="importKey"
-          value={importKey}
-          onChange={(e) => setImportKey(e.target.value)}
-          placeholder={t('account.create.importKey.placeholder')}
-          className="w-full px-3 py-2 bg-cyber-darker border border-neon-cyan/30 rounded-lg font-mono text-sm text-neon-cyan"
-          rows={4}
-        />
-        <p className="text-sm text-cyber-accent/70 mt-2" dangerouslySetInnerHTML={{ __html: t('account.create.importKey.help') }} />
-      </div>
-      {error && <p className="text-sm text-red-400 mb-4">{error}</p>}
+      <Textarea
+        id="importKey"
+        label={t('account.create.importKey.label')}
+        value={importKey}
+        onChange={(e) => setImportKey(e.target.value)}
+        placeholder={t('account.create.importKey.placeholder')}
+        className="font-mono text-sm text-neon-cyan bg-cyber-darker"
+        rows={4}
+        helperText={t('account.create.importKey.help')}
+      />
+      {error && <ErrorState message={error} className="mb-4" />}
     </>
   )
 }
@@ -97,25 +97,71 @@ export function ImportKeyForm({
 export function ImportStepButtons({ loading, onImport, onBack }: { loading: boolean; onImport: () => void; onBack: () => void }): React.ReactElement {
   return (
     <div className="flex gap-4">
-      <button
+      <Button
         onClick={onBack}
-        className="flex-1 py-2 px-4 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg font-medium transition-colors"
+        variant="secondary"
+        className="flex-1"
       >
         {t('account.create.back')}
-      </button>
-      <button
+      </Button>
+      <Button
         onClick={() => {
           void onImport()
         }}
         disabled={loading}
-        className="flex-1 py-2 px-4 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan disabled:opacity-50"
+        loading={loading}
+        variant="primary"
+        className="flex-1"
       >
         {loading ? t('import.loading') : t('import.button')}
-      </button>
+      </Button>
     </div>
   )
 }
 
+function GenerateButton({ loading, onGenerate }: { loading: boolean; onGenerate: () => void }): React.ReactElement {
+  return (
+    <Button
+      onClick={() => {
+        void onGenerate()
+      }}
+      disabled={loading}
+      loading={loading}
+      variant="primary"
+      size="large"
+      className="w-full"
+    >
+      {loading ? t('account.create.importing') : t('account.create.generateButton')}
+    </Button>
+  )
+}
+
+function ImportButton({ loading, onImport }: { loading: boolean; onImport: () => void }): React.ReactElement {
+  return (
+    <Button
+      onClick={onImport}
+      disabled={loading}
+      variant="secondary"
+      size="large"
+      className="w-full"
+    >
+      {t('account.create.importButton')}
+    </Button>
+  )
+}
+
+function CancelButton({ onClose }: { onClose: () => void }): React.ReactElement {
+  return (
+    <Button
+      onClick={onClose}
+      variant="ghost"
+      className="w-full"
+    >
+      {t('account.create.cancel')}
+    </Button>
+  )
+}
+
 export function ChooseStepButtons({
   loading,
   onGenerate,
@@ -129,28 +175,9 @@ export function ChooseStepButtons({
 }): React.ReactElement {
   return (
     <div className="flex flex-col gap-4">
-      <button
-        onClick={() => {
-          void onGenerate()
-        }}
-        disabled={loading}
-        className="w-full py-3 px-6 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan disabled:opacity-50"
-      >
-        {loading ? t('account.create.importing') : t('account.create.generateButton')}
-      </button>
-      <button
-        onClick={onImport}
-        disabled={loading}
-        className="w-full py-3 px-6 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg font-medium transition-colors disabled:opacity-50"
-      >
-        {t('account.create.importButton')}
-      </button>
-      <button
-        onClick={onClose}
-        className="w-full py-2 px-4 text-cyber-accent/70 hover:text-neon-cyan font-medium transition-colors"
-      >
-        {t('account.create.cancel')}
-      </button>
+      <GenerateButton loading={loading} onGenerate={onGenerate} />
+      <ImportButton loading={loading} onImport={onImport} />
+      <CancelButton onClose={onClose} />
     </div>
   )
 }
diff --git a/components/CreateAccountModalSteps.tsx b/components/CreateAccountModalSteps.tsx
index 4703de4..532471d 100644
--- a/components/CreateAccountModalSteps.tsx
+++ b/components/CreateAccountModalSteps.tsx
@@ -1,4 +1,5 @@
 import { useState } from 'react'
+import { Button, Card } from './ui'
 import { RecoveryWarning, RecoveryPhraseDisplay, PublicKeyDisplay, ImportKeyForm, ImportStepButtons, ChooseStepButtons } from './CreateAccountModalComponents'
 import { t } from '@/lib/i18n'
 
@@ -23,20 +24,22 @@ export function RecoveryStep({
 
   return (
     <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
-      <div className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-6 max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto shadow-glow-cyan">
+      <Card variant="default" className="bg-cyber-dark max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto shadow-glow-cyan">
         <h2 className="text-2xl font-bold mb-4 text-neon-cyan">{t('account.create.recovery.title')}</h2>
         <RecoveryWarning />
         <RecoveryPhraseDisplay recoveryPhrase={recoveryPhrase} copied={copied} onCopy={() => { void handleCopy() }} />
         <PublicKeyDisplay npub={npub} />
         <div className="flex gap-4">
-          <button
+          <Button
             onClick={onContinue}
-            className="flex-1 py-3 px-6 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan"
+            variant="primary"
+            size="large"
+            className="flex-1"
           >
             {t('account.create.recovery.saved')}
-          </button>
+          </Button>
         </div>
-      </div>
+      </Card>
     </div>
   )
 }
@@ -58,11 +61,11 @@ export function ImportStep({
 }): React.ReactElement {
   return (
     <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
-      <div className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-6 max-w-md w-full mx-4 shadow-glow-cyan">
+      <Card variant="default" className="bg-cyber-dark max-w-md w-full mx-4 shadow-glow-cyan">
         <h2 className="text-2xl font-bold mb-4 text-neon-cyan">{t('account.import.title')}</h2>
         <ImportKeyForm importKey={importKey} setImportKey={setImportKey} error={error} />
         <ImportStepButtons loading={loading} onImport={onImport} onBack={onBack} />
-      </div>
+      </Card>
     </div>
   )
 }
@@ -82,14 +85,14 @@ export function ChooseStep({
 }): React.ReactElement {
   return (
     <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
-      <div className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-6 max-w-md w-full mx-4 shadow-glow-cyan">
+      <Card variant="default" className="bg-cyber-dark max-w-md w-full mx-4 shadow-glow-cyan">
         <h2 className="text-2xl font-bold mb-4 text-neon-cyan">{t('account.create.title')}</h2>
         <p className="text-cyber-accent/70 mb-6">
           {t('account.create.description')}
         </p>
         {error && <p className="text-sm text-red-400 mb-4">{error}</p>}
         <ChooseStepButtons loading={loading} onGenerate={onGenerate} onImport={onImport} onClose={onClose} />
-      </div>
+      </Card>
     </div>
   )
 }
diff --git a/components/DocsContent.tsx b/components/DocsContent.tsx
index 46aee09..57d8148 100644
--- a/components/DocsContent.tsx
+++ b/components/DocsContent.tsx
@@ -1,3 +1,4 @@
+import { Card } from './ui'
 import { renderMarkdown } from '@/lib/markdownRenderer'
 import { t } from '@/lib/i18n'
 
@@ -16,10 +17,10 @@ export function DocsContent({ content, loading }: DocsContentProps): React.React
   }
 
   return (
-    <div className="bg-cyber-dark border border-neon-cyan/20 rounded-lg p-8 backdrop-blur-sm">
+    <Card variant="default" className="bg-cyber-dark backdrop-blur-sm">
       <div className="prose prose-invert max-w-none prose-headings:text-neon-cyan prose-headings:font-mono prose-p:text-cyber-accent prose-a:text-neon-green prose-a:hover:text-neon-cyan prose-strong:text-neon-green prose-code:text-neon-cyan prose-code:bg-cyber-darker prose-code:px-1 prose-code:py-0.5 prose-code:rounded prose-pre:bg-cyber-darker prose-pre:border prose-pre:border-neon-cyan/20 prose-blockquote:border-neon-cyan/50 prose-blockquote:text-cyber-accent/70 prose-ul:text-cyber-accent prose-ol:text-cyber-accent prose-li:marker:text-neon-cyan">
         {renderMarkdown(content)}
       </div>
-    </div>
+    </Card>
   )
 }
diff --git a/components/DocsSidebar.tsx b/components/DocsSidebar.tsx
index a56a9b3..bb5d095 100644
--- a/components/DocsSidebar.tsx
+++ b/components/DocsSidebar.tsx
@@ -1,3 +1,4 @@
+import { Button, Card } from './ui'
 import { t } from '@/lib/i18n'
 import type { DocLink, DocSection } from '@/hooks/useDocs'
 
@@ -10,24 +11,22 @@ interface DocsSidebarProps {
 export function DocsSidebar({ docs, selectedDoc, onSelectDoc }: DocsSidebarProps): React.ReactElement {
   return (
     <aside className="lg:w-64 flex-shrink-0">
-      <div className="bg-cyber-dark border border-neon-cyan/20 rounded-lg p-4 sticky top-4 backdrop-blur-sm">
+      <Card variant="default" className="bg-cyber-dark sticky top-4 backdrop-blur-sm">
         <h2 className="text-lg font-bold mb-4 text-neon-cyan font-mono">{t('docs.title')}</h2>
         <nav className="space-y-2">
           {docs.map((doc) => (
-            <button
+            <Button
               key={doc.id}
+              type="button"
+              variant={selectedDoc === doc.id ? 'primary' : 'ghost'}
               onClick={() => onSelectDoc(doc.id)}
-              className={`w-full text-left px-3 py-2 rounded-lg text-sm transition-all ${
-                selectedDoc === doc.id
-                  ? 'bg-neon-cyan/20 text-neon-cyan font-medium border border-neon-cyan/50 shadow-glow-cyan'
-                  : 'text-cyber-accent hover:bg-cyber-dark/50 hover:text-neon-cyan border border-transparent hover:border-neon-cyan/30'
-              }`}
+              className="w-full text-left justify-start"
             >
               {doc.title}
-            </button>
+            </Button>
           ))}
         </nav>
-      </div>
+      </Card>
     </aside>
   )
 }
diff --git a/components/FundingGauge.tsx b/components/FundingGauge.tsx
index 5649589..36e9ef8 100644
--- a/components/FundingGauge.tsx
+++ b/components/FundingGauge.tsx
@@ -1,5 +1,6 @@
 import { useEffect, useState } from 'react'
 import { estimatePlatformFunds } from '@/lib/fundingCalculation'
+import { Card } from './ui'
 import { t } from '@/lib/i18n'
 
 interface FundingProgressBarProps {
@@ -50,27 +51,27 @@ export function FundingGauge(): React.ReactElement {
 
   return (
     <div className="space-y-6">
-      <div className="bg-cyber-dark/50 border border-neon-cyan/20 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-dark/50">
         <h2 className="text-xl font-semibold text-neon-cyan mb-4">
           {t('home.funding.title')} - {t('home.funding.priority.ia')}
         </h2>
         <FundingStats stats={state.stats} />
-      </div>
-      <div className="bg-cyber-dark/50 border border-neon-cyan/20 rounded-lg p-6">
+      </Card>
+      <Card variant="default" className="bg-cyber-dark/50">
         <h2 className="text-xl font-semibold text-neon-cyan mb-4">
           {t('home.funding.certification.title')} - {t('home.funding.priority.ancrage')}
         </h2>
         <FundingStats stats={state.certificationStats} />
-      </div>
+      </Card>
     </div>
   )
 }
 
 function FundingGaugeLoading(): React.ReactElement {
   return (
-    <div className="bg-cyber-dark/50 border border-neon-cyan/20 rounded-lg p-6 mb-8">
+    <Card variant="default" className="bg-cyber-dark/50 mb-8">
       <p className="text-cyber-accent">{t('common.loading')}</p>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/LanguageSettingsManager.tsx b/components/LanguageSettingsManager.tsx
index 5e56cab..a1a16ca 100644
--- a/components/LanguageSettingsManager.tsx
+++ b/components/LanguageSettingsManager.tsx
@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react'
+import { Button, Card } from './ui'
 import { setLocale, getLocale, type Locale } from '@/lib/i18n'
 import { t } from '@/lib/i18n'
 import { localeStorage } from '@/lib/localeStorage'
@@ -13,16 +14,13 @@ interface LocaleOptionProps {
 function LocaleOption({ locale, label, currentLocale, onClick }: LocaleOptionProps): React.ReactElement {
   const isActive = currentLocale === locale
   return (
-    <button
+    <Button
+      type="button"
+      variant={isActive ? 'primary' : 'secondary'}
       onClick={() => onClick(locale)}
-      className={`px-4 py-2 rounded-lg font-medium transition-colors border ${
-        isActive
-          ? 'bg-neon-cyan/20 text-neon-cyan border-neon-cyan/50'
-          : 'bg-cyber-darker text-cyber-accent hover:text-neon-cyan border-neon-cyan/30 hover:border-neon-cyan/50'
-      }`}
     >
       {label}
-    </button>
+    </Button>
   )
 }
 
@@ -48,20 +46,20 @@ function LanguageSettingsPanel(params: {
 }): React.ReactElement {
   if (params.loading) {
     return (
-      <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-darker">
         <div>{t('settings.language.loading')}</div>
-      </div>
+      </Card>
     )
   }
   return (
-    <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6">
+    <Card variant="default" className="bg-cyber-darker">
       <h2 className="text-2xl font-bold text-neon-cyan mb-4">{t('settings.language.title')}</h2>
       <p className="text-cyber-accent mb-4 text-sm">{t('settings.language.description')}</p>
       <div className="flex items-center gap-3">
         <LocaleOption locale="fr" label={t('settings.language.french')} currentLocale={params.currentLocale} onClick={params.onLocaleClick} />
         <LocaleOption locale="en" label={t('settings.language.english')} currentLocale={params.currentLocale} onClick={params.onLocaleClick} />
       </div>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/MarkdownEditor.tsx b/components/MarkdownEditor.tsx
index dfaa84c..370cb0c 100644
--- a/components/MarkdownEditor.tsx
+++ b/components/MarkdownEditor.tsx
@@ -1,4 +1,5 @@
 import { useState } from 'react'
+import { Button } from './ui'
 import type { MediaRef } from '@/types/nostr'
 import { uploadNip95Media } from '@/lib/nip95'
 import { t } from '@/lib/i18n'
@@ -64,9 +65,9 @@ function MarkdownToolbar({
 }): React.ReactElement {
   return (
     <div className="flex items-center gap-2">
-      <button type="button" className="px-3 py-1 text-sm rounded bg-gray-200" onClick={onTogglePreview}>
+      <Button type="button" variant="secondary" size="small" onClick={onTogglePreview} className="px-3 py-1 text-sm rounded bg-gray-200">
         {preview ? t('upload.edit') : t('upload.preview')}
-      </button>
+      </Button>
       <label className="px-3 py-1 text-sm rounded bg-blue-600 text-white cursor-pointer hover:bg-blue-700">
         {t('markdown.upload.media')}
         <input
diff --git a/components/PaymentModal.tsx b/components/PaymentModal.tsx
index 46a0276..135f23b 100644
--- a/components/PaymentModal.tsx
+++ b/components/PaymentModal.tsx
@@ -3,7 +3,7 @@ import QRCode from 'react-qr-code'
 import type { AlbyInvoice } from '@/types/alby'
 import { getAlbyService, isWebLNAvailable } from '@/lib/alby'
 import { AlbyInstaller } from './AlbyInstaller'
-import { Modal, Button } from './ui'
+import { Card, Modal, Button } from './ui'
 import { t } from '@/lib/i18n'
 
 interface PaymentModalProps {
@@ -67,16 +67,18 @@ function InvoiceDisplay({ invoiceText, paymentUrl }: { invoiceText: string; paym
   return (
     <div className="mb-4">
       <p className="text-sm text-cyber-accent mb-2">{t('payment.modal.lightningInvoice')}</p>
-      <div className="bg-cyber-darker border border-neon-cyan/20 p-3 rounded break-all text-sm font-mono mb-4 text-neon-cyan">{invoiceText}</div>
+      <Card variant="default" className="bg-cyber-darker border-neon-cyan/20 p-3 break-all text-sm font-mono mb-4 text-neon-cyan">
+        {invoiceText}
+      </Card>
       <div className="flex justify-center mb-4">
-        <div className="bg-cyber-dark p-4 rounded-lg border-2 border-neon-cyan/30">
+        <Card variant="default" className="bg-cyber-dark p-4 border-2 border-neon-cyan/30">
           <QRCode
             value={paymentUrl}
             size={200}
             style={{ height: 'auto', maxWidth: '100%', width: '100%' }}
             viewBox="0 0 256 256"
           />
-        </div>
+        </Card>
       </div>
       <p className="text-xs text-cyber-accent/70 text-center mb-2">{t('payment.modal.scanQr')}</p>
     </div>
@@ -119,10 +121,10 @@ function ExpiredNotice({ show }: { show: boolean }): React.ReactElement | null {
     return null
   }
   return (
-    <div className="mt-4 p-3 bg-red-900/20 border border-red-400/50 rounded-lg">
+    <Card variant="default" className="mt-4 p-3 bg-red-900/20 border-red-400/50">
       <p className="text-sm text-red-400 font-semibold mb-2">{t('payment.modal.invoiceExpired')}</p>
       <p className="text-xs text-red-400/80">{t('payment.modal.invoiceExpiredHelp')}</p>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/SeriesCard.tsx b/components/SeriesCard.tsx
index abf3f88..84ad516 100644
--- a/components/SeriesCard.tsx
+++ b/components/SeriesCard.tsx
@@ -1,6 +1,6 @@
 import Image from 'next/image'
 import Link from 'next/link'
-import { Button } from './ui'
+import { Button, Card } from './ui'
 import type { Series } from '@/types/nostr'
 import { t } from '@/lib/i18n'
 
@@ -51,8 +51,8 @@ export function SeriesCard({ series, onSelect, selected }: SeriesCardProps): Rea
     ? 'border-neon-cyan ring-1 ring-neon-cyan/50 shadow-glow-cyan'
     : 'border-neon-cyan/30 hover:border-neon-cyan/50 hover:shadow-glow-cyan'
   return (
-    <div className={`border rounded-lg p-4 bg-cyber-dark transition-all ${cardClasses}`}>
+    <Card variant={selected ? 'interactive' : 'default'} className={`bg-cyber-dark transition-all ${cardClasses}`}>
       <SeriesCardContent series={series} onSelect={onSelect} />
-    </div>
+    </Card>
   )
 }
diff --git a/components/UserArticlesList.tsx b/components/UserArticlesList.tsx
index 586abf3..9a08c1b 100644
--- a/components/UserArticlesList.tsx
+++ b/components/UserArticlesList.tsx
@@ -126,9 +126,9 @@ function buildSeriesLink(
         Ouvrir
       </Link>
       {onSelectSeries && (
-        <button type="button" className="underline" onClick={() => onSelectSeries(article.seriesId)}>
+        <Button type="button" variant="ghost" size="small" onClick={() => onSelectSeries(article.seriesId)} className="underline p-0 h-auto">
           Filtrer
-        </button>
+        </Button>
       )}
     </div>
   )
diff --git a/components/UserProfile.tsx b/components/UserProfile.tsx
index c09711b..b17c2c6 100644
--- a/components/UserProfile.tsx
+++ b/components/UserProfile.tsx
@@ -1,3 +1,4 @@
+import { Card } from './ui'
 import type { NostrProfile } from '@/types/nostr'
 import { UserProfileHeader } from './UserProfileHeader'
 
@@ -20,7 +21,7 @@ export function UserProfile({ profile, pubkey, articleCount }: UserProfileProps)
   const displayName = profile.name ?? `${pubkey.slice(0, 16)}...`
 
   return (
-    <div className="bg-white border border-gray-200 rounded-lg p-6 mb-6">
+    <Card variant="default" className="bg-white border-gray-200 mb-6">
       <UserProfileHeader
         displayName={displayName}
         {...(profile.picture ? { picture: profile.picture } : {})}
@@ -28,6 +29,6 @@ export function UserProfile({ profile, pubkey, articleCount }: UserProfileProps)
       />
       {profile.about && <p className="text-gray-700 mt-2">{profile.about}</p>}
       {articleCount !== undefined && <ProfileStats articleCount={articleCount} />}
-    </div>
+    </Card>
   )
 }
diff --git a/components/authorPage/AuthorPageContent.tsx b/components/authorPage/AuthorPageContent.tsx
index fb4f718..77766e1 100644
--- a/components/authorPage/AuthorPageContent.tsx
+++ b/components/authorPage/AuthorPageContent.tsx
@@ -1,3 +1,4 @@
+import { Card } from '../ui'
 import { t } from '@/lib/i18n'
 import type { AuthorPresentationArticle, Series } from '@/types/nostr'
 import { AuthorPageHeader } from './AuthorPageHeader'
@@ -33,9 +34,9 @@ export function AuthorPageContent({
 
   if (!presentation) {
     return (
-      <div className="bg-cyber-dark/50 border border-neon-cyan/20 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-dark/50">
         <p className="text-cyber-accent">{t('author.notFound')}</p>
-      </div>
+      </Card>
     )
   }
 
diff --git a/components/createSeriesModal/CreateSeriesModalView.tsx b/components/createSeriesModal/CreateSeriesModalView.tsx
index 949d94e..a292c03 100644
--- a/components/createSeriesModal/CreateSeriesModalView.tsx
+++ b/components/createSeriesModal/CreateSeriesModalView.tsx
@@ -1,6 +1,6 @@
 import React from 'react'
 import { ImageUploadField } from '../ImageUploadField'
-import { Button, Input, Textarea, ErrorState } from '../ui'
+import { Button, Card, ErrorState, Input, Textarea } from '../ui'
 import { t } from '@/lib/i18n'
 import type { SeriesDraft } from './createSeriesModalTypes'
 import type { CreateSeriesModalController } from './useCreateSeriesModalController'
@@ -8,11 +8,11 @@ import type { CreateSeriesModalController } from './useCreateSeriesModalControll
 export function CreateSeriesModalView({ ctrl }: { ctrl: CreateSeriesModalController }): React.ReactElement {
   return (
     <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 backdrop-blur-sm">
-      <div className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-6 max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto">
+      <Card variant="default" className="bg-cyber-dark max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto">
         <CreateSeriesModalHeader loading={ctrl.loading} onClose={ctrl.handleClose} />
         {!ctrl.canPublish ? <NotAuthorWarning /> : null}
         <CreateSeriesForm ctrl={ctrl} />
-      </div>
+      </Card>
     </div>
   )
 }
@@ -21,23 +21,26 @@ function CreateSeriesModalHeader({ loading, onClose }: { loading: boolean; onClo
   return (
     <div className="flex items-center justify-between mb-6">
       <h2 className="text-2xl font-semibold text-neon-cyan">{t('series.create.title')}</h2>
-      <button
+      <Button
         type="button"
+        variant="ghost"
+        size="small"
         onClick={onClose}
         disabled={loading}
-        className="text-cyber-accent hover:text-neon-cyan transition-colors disabled:opacity-50"
+        className="text-cyber-accent hover:text-neon-cyan p-0 min-w-0"
+        aria-label={t('common.close')}
       >
         ✕
-      </button>
+      </Button>
     </div>
   )
 }
 
 function NotAuthorWarning(): React.ReactElement {
   return (
-    <div className="mb-4 p-4 bg-yellow-900/30 border border-yellow-500/50 rounded text-yellow-300">
+    <Card variant="default" className="mb-4 p-4 bg-yellow-900/30 border-yellow-500/50 text-yellow-300">
       <p>{t('series.create.error.notAuthor')}</p>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/keyManagement/KeyManagementImportForm.tsx b/components/keyManagement/KeyManagementImportForm.tsx
index 4beab47..6e7500e 100644
--- a/components/keyManagement/KeyManagementImportForm.tsx
+++ b/components/keyManagement/KeyManagementImportForm.tsx
@@ -1,3 +1,4 @@
+import { Button, Card, Textarea } from '@/components/ui'
 import { t } from '@/lib/i18n'
 import type { KeyManagementManagerActions } from './useKeyManagementManager'
 import type { KeyManagementManagerState } from './keyManagementController'
@@ -31,13 +32,13 @@ export function KeyManagementImportForm(params: {
 
 function KeyManagementImportWarning(params: { accountExists: boolean }): React.ReactElement {
   return (
-    <div className="bg-yellow-900/20 border border-yellow-400/50 rounded-lg p-4">
+    <Card variant="default" className="bg-yellow-900/20 border-yellow-400/50">
       <p className="text-yellow-400 font-semibold mb-2">{t('settings.keyManagement.import.warning.title')}</p>
       <p className="text-yellow-300/90 text-sm" dangerouslySetInnerHTML={{ __html: t('settings.keyManagement.import.warning.description') }} />
       {params.accountExists ? (
         <p className="text-yellow-300/90 text-sm mt-2" dangerouslySetInnerHTML={{ __html: t('settings.keyManagement.import.warning.replace') }} />
       ) : null}
-    </div>
+    </Card>
   )
 }
 
@@ -47,20 +48,18 @@ function KeyManagementImportTextarea(params: {
 }): React.ReactElement {
   return (
     <div>
-      <label htmlFor="importKey" className="block text-sm font-medium text-cyber-accent mb-2">
-        {t('settings.keyManagement.import.label')}
-      </label>
-      <textarea
+      <Textarea
         id="importKey"
+        label={t('settings.keyManagement.import.label')}
         value={params.importKey}
         onChange={(e) => {
           params.onChangeImportKey(e.target.value)
         }}
         placeholder={t('settings.keyManagement.import.placeholder')}
-        className="w-full px-3 py-2 bg-cyber-dark border border-neon-cyan/30 rounded-lg font-mono text-sm text-neon-cyan focus:border-neon-cyan focus:outline-none"
+        className="font-mono text-sm text-neon-cyan"
         rows={4}
+        helperText={t('settings.keyManagement.import.help')}
       />
-      <p className="text-sm text-cyber-accent/70 mt-2">{t('settings.keyManagement.import.help')}</p>
     </div>
   )
 }
@@ -75,27 +74,30 @@ function KeyManagementReplaceWarning(params: {
     return null
   }
   return (
-    <div className="bg-red-900/20 border border-red-400/50 rounded-lg p-4">
+    <Card variant="default" className="bg-red-900/20 border-red-400/50">
       <p className="text-red-400 font-semibold mb-2">{t('settings.keyManagement.replace.warning.title')}</p>
       <p className="text-red-300/90 text-sm mb-4">{t('settings.keyManagement.replace.warning.description')}</p>
       <div className="flex gap-4">
-        <button
+        <Button
           type="button"
+          variant="secondary"
           onClick={params.onCancel}
-          className="flex-1 py-2 px-4 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg font-medium transition-colors"
+          className="flex-1"
         >
           {t('settings.keyManagement.replace.cancel')}
-        </button>
-        <button
+        </Button>
+        <Button
           type="button"
+          variant="danger"
           onClick={params.onConfirm}
           disabled={params.importing}
-          className="flex-1 py-2 px-4 bg-red-600/20 hover:bg-red-600/30 text-red-400 rounded-lg font-medium transition-all border border-red-400/50 hover:shadow-glow-red disabled:opacity-50"
+          loading={params.importing}
+          className="flex-1"
         >
           {params.importing ? t('settings.keyManagement.replace.replacing') : t('settings.keyManagement.replace.confirm')}
-        </button>
+        </Button>
       </div>
-    </div>
+    </Card>
   )
 }
 
@@ -109,22 +111,25 @@ function KeyManagementImportFormActions(params: {
     return null
   }
   return (
-    <div className="flex gap-4">
-      <button
-        type="button"
-        onClick={params.onCancel}
-        className="flex-1 py-2 px-4 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg font-medium transition-colors"
-      >
-        {t('settings.keyManagement.import.cancel')}
-      </button>
-      <button
-        type="button"
-        onClick={params.onImport}
-        disabled={params.importing}
-        className="flex-1 py-2 px-4 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan disabled:opacity-50"
-      >
-        {params.importing ? t('settings.keyManagement.import.importing') : t('settings.keyManagement.import.import')}
-      </button>
-    </div>
+      <div className="flex gap-4">
+        <Button
+          type="button"
+          variant="secondary"
+          onClick={params.onCancel}
+          className="flex-1"
+        >
+          {t('settings.keyManagement.import.cancel')}
+        </Button>
+        <Button
+          type="button"
+          variant="primary"
+          onClick={params.onImport}
+          disabled={params.importing}
+          loading={params.importing}
+          className="flex-1"
+        >
+          {params.importing ? t('settings.keyManagement.import.importing') : t('settings.keyManagement.import.import')}
+        </Button>
+      </div>
   )
 }
diff --git a/components/keyManagement/KeyManagementImportSection.tsx b/components/keyManagement/KeyManagementImportSection.tsx
index c5dd9b4..15b6dcf 100644
--- a/components/keyManagement/KeyManagementImportSection.tsx
+++ b/components/keyManagement/KeyManagementImportSection.tsx
@@ -1,4 +1,4 @@
-import { Button, ErrorState } from '@/components/ui'
+import { Button, Card, ErrorState } from '@/components/ui'
 import { t } from '@/lib/i18n'
 import type { KeyManagementManagerActions } from './useKeyManagementManager'
 import type { KeyManagementManagerState } from './keyManagementController'
@@ -75,7 +75,7 @@ function KeyManagementKeyCard(params: {
   onCopy: () => void
 }): React.ReactElement {
   return (
-    <div className="bg-neon-blue/10 border border-neon-blue/30 rounded-lg p-4">
+    <Card variant="default" className="bg-neon-blue/10 border-neon-blue/30">
       <div className="flex justify-between items-start mb-2">
         <p className="text-neon-blue font-semibold">{params.label}</p>
         <Button
@@ -88,7 +88,7 @@ function KeyManagementKeyCard(params: {
         </Button>
       </div>
       <p className="text-neon-cyan text-sm font-mono break-all">{params.value}</p>
-    </div>
+    </Card>
   )
 }
 
diff --git a/components/keyManagement/KeyManagementManager.tsx b/components/keyManagement/KeyManagementManager.tsx
index 5a4728e..09ba2c8 100644
--- a/components/keyManagement/KeyManagementManager.tsx
+++ b/components/keyManagement/KeyManagementManager.tsx
@@ -1,3 +1,4 @@
+import { Card } from '../ui'
 import { t } from '@/lib/i18n'
 import { SyncProgressBar } from '../SyncProgressBar'
 import { KeyManagementImportSection } from './KeyManagementImportSection'
@@ -9,20 +10,20 @@ export function KeyManagementManager(): React.ReactElement {
 
   if (state.loading) {
     return (
-      <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-darker">
         <p className="text-cyber-accent">{t('settings.keyManagement.loading')}</p>
-      </div>
+      </Card>
     )
   }
 
   return (
     <div className="space-y-6">
-      <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-darker">
         <h2 className="text-2xl font-bold text-neon-cyan mb-4">{t('settings.keyManagement.title')}</h2>
         <KeyManagementImportSection state={state} actions={actions} />
         <SyncProgressBar />
         <KeyManagementRecoverySection state={state} actions={actions} />
-      </div>
+      </Card>
     </div>
   )
 }
diff --git a/components/keyManagement/KeyManagementRecoverySection.tsx b/components/keyManagement/KeyManagementRecoverySection.tsx
index b56f72a..6daa6d4 100644
--- a/components/keyManagement/KeyManagementRecoverySection.tsx
+++ b/components/keyManagement/KeyManagementRecoverySection.tsx
@@ -1,3 +1,4 @@
+import { Button, Card } from '@/components/ui'
 import { t } from '@/lib/i18n'
 import type { KeyManagementManagerActions } from './useKeyManagementManager'
 import type { KeyManagementManagerState } from './keyManagementController'
@@ -12,16 +13,18 @@ export function KeyManagementRecoverySection(params: {
   return (
     <div className="mt-6 space-y-4">
       <KeyManagementRecoveryWarning />
-      <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-6">
+      <Card variant="default" className="bg-cyber-darker">
         <RecoveryWordsGrid recoveryPhrase={params.state.recoveryPhrase} />
-        <button
+        <Button
           type="button"
+          variant="secondary"
+          size="small"
           onClick={params.actions.onCopyRecoveryPhrase}
-          className="w-full py-2 px-4 bg-cyber-light border border-neon-cyan/30 hover:border-neon-cyan/50 hover:bg-cyber-dark text-cyber-accent hover:text-neon-cyan rounded-lg text-sm font-medium transition-colors"
+          className="w-full"
         >
           {params.state.copiedRecoveryPhrase ? t('settings.keyManagement.recovery.copied') : t('settings.keyManagement.recovery.copy')}
-        </button>
-      </div>
+        </Button>
+      </Card>
       <KeyManagementNewNpubCard newNpub={params.state.newNpub} />
       <KeyManagementDoneButton onDone={params.actions.onDoneRecovery} />
     </div>
@@ -30,33 +33,34 @@ export function KeyManagementRecoverySection(params: {
 
 function KeyManagementRecoveryWarning(): React.ReactElement {
   return (
-    <div className="bg-yellow-900/20 border border-yellow-400/50 rounded-lg p-4">
+    <Card variant="default" className="bg-yellow-900/20 border-yellow-400/50">
       <p className="text-yellow-400 font-semibold mb-2">{t('settings.keyManagement.recovery.warning.title')}</p>
       <p className="text-yellow-300/90 text-sm" dangerouslySetInnerHTML={{ __html: t('settings.keyManagement.recovery.warning.part1') }} />
       <p className="text-yellow-300/90 text-sm mt-2" dangerouslySetInnerHTML={{ __html: t('settings.keyManagement.recovery.warning.part2') }} />
       <p className="text-yellow-300/90 text-sm mt-2">{t('settings.keyManagement.recovery.warning.part3')}</p>
-    </div>
+    </Card>
   )
 }
 
 function KeyManagementNewNpubCard(params: { newNpub: string }): React.ReactElement {
   return (
-    <div className="bg-neon-blue/10 border border-neon-blue/30 rounded-lg p-4">
+    <Card variant="default" className="bg-neon-blue/10 border-neon-blue/30">
       <p className="text-neon-blue font-semibold mb-2">{t('settings.keyManagement.recovery.newNpub')}</p>
       <p className="text-neon-cyan text-sm font-mono break-all">{params.newNpub}</p>
-    </div>
+    </Card>
   )
 }
 
 function KeyManagementDoneButton(params: { onDone: () => void }): React.ReactElement {
   return (
-    <button
+    <Button
       type="button"
+      variant="primary"
       onClick={params.onDone}
-      className="w-full py-2 px-4 bg-neon-cyan/20 hover:bg-neon-cyan/30 text-neon-cyan rounded-lg font-medium transition-all border border-neon-cyan/50 hover:shadow-glow-cyan"
+      className="w-full"
     >
       {t('settings.keyManagement.recovery.done')}
-    </button>
+    </Button>
   )
 }
 
@@ -65,13 +69,14 @@ function RecoveryWordsGrid(params: { recoveryPhrase: string[] }): React.ReactEle
   return (
     <div className="grid grid-cols-2 gap-4 mb-4">
       {items.map((item) => (
-        <div
+        <Card
           key={item.id}
-          className="bg-cyber-dark border border-neon-cyan/30 rounded-lg p-3 text-center font-mono text-lg"
+          variant="default"
+          className="bg-cyber-dark p-3 text-center font-mono text-lg"
         >
           <span className="text-cyber-accent/70 text-sm mr-2">{item.position}.</span>
           <span className="font-semibold text-neon-cyan">{item.word}</span>
-        </div>
+        </Card>
       ))}
     </div>
   )
diff --git a/components/nip95Config/Nip95ApiCard.tsx b/components/nip95Config/Nip95ApiCard.tsx
index 4ec1826..21a1903 100644
--- a/components/nip95Config/Nip95ApiCard.tsx
+++ b/components/nip95Config/Nip95ApiCard.tsx
@@ -1,8 +1,40 @@
 import type { Nip95Config } from '@/lib/configStorageTypes'
+import { Button, Card, Input } from '../ui'
 import { t } from '@/lib/i18n'
 import { DragHandle } from '../DragHandle'
 import { getApiCardClassName } from './getApiCardClassName'
 
+function Nip95ApiCardContent(params: {
+  api: Nip95Config
+  priority: number
+  isEditing: boolean
+  onStartEditing: (id: string) => void
+  onStopEditing: () => void
+  onUpdateUrl: (id: string, url: string) => void
+  onToggleEnabled: (id: string, enabled: boolean) => void
+  onRemoveApi: (id: string) => void
+  onDragStart: (e: React.DragEvent<HTMLDivElement>, id: string) => void
+}): React.ReactElement {
+  return (
+    <>
+      <div className="flex items-start justify-between gap-4">
+        <div className="flex items-center gap-3 flex-1">
+          <DragGrip apiId={params.api.id} onDragStart={params.onDragStart} />
+          <UrlCell
+            api={params.api}
+            isEditing={params.isEditing}
+            onStartEditing={params.onStartEditing}
+            onStopEditing={params.onStopEditing}
+            onUpdateUrl={params.onUpdateUrl}
+          />
+        </div>
+        <ActionsCell api={params.api} onToggleEnabled={params.onToggleEnabled} onRemoveApi={params.onRemoveApi} />
+      </div>
+      <PriorityRow priority={params.priority} apiId={params.api.id} />
+    </>
+  )
+}
+
 export function Nip95ApiCard(params: {
   api: Nip95Config
   priority: number
@@ -21,25 +53,24 @@ export function Nip95ApiCard(params: {
 }): React.ReactElement {
   return (
     <div
-      onDragOver={(e) => params.onDragOver(e, params.api.id)}
+      onDragOver={(e: React.DragEvent<HTMLDivElement>) => params.onDragOver(e, params.api.id)}
       onDragLeave={params.onDragLeave}
-      onDrop={(e) => params.onDrop(e, params.api.id)}
-      className={`bg-cyber-dark border rounded p-4 space-y-3 transition-all ${getApiCardClassName(params.api.id, params.draggedId, params.dragOverId)}`}
+      onDrop={(e: React.DragEvent<HTMLDivElement>) => params.onDrop(e, params.api.id)}
+      className={getApiCardClassName(params.api.id, params.draggedId, params.dragOverId)}
     >
-      <div className="flex items-start justify-between gap-4">
-        <div className="flex items-center gap-3 flex-1">
-          <DragGrip apiId={params.api.id} onDragStart={params.onDragStart} />
-          <UrlCell
-            api={params.api}
-            isEditing={params.isEditing}
-            onStartEditing={params.onStartEditing}
-            onStopEditing={params.onStopEditing}
-            onUpdateUrl={params.onUpdateUrl}
-          />
-        </div>
-        <ActionsCell api={params.api} onToggleEnabled={params.onToggleEnabled} onRemoveApi={params.onRemoveApi} />
-      </div>
-      <PriorityRow priority={params.priority} apiId={params.api.id} />
+      <Card variant="default" className="bg-cyber-dark space-y-3 transition-all">
+        <Nip95ApiCardContent
+          api={params.api}
+          priority={params.priority}
+          isEditing={params.isEditing}
+          onStartEditing={params.onStartEditing}
+          onStopEditing={params.onStopEditing}
+          onUpdateUrl={params.onUpdateUrl}
+          onToggleEnabled={params.onToggleEnabled}
+          onRemoveApi={params.onRemoveApi}
+          onDragStart={params.onDragStart}
+        />
+      </Card>
     </div>
   )
 }
@@ -84,7 +115,7 @@ function UrlText(params: { api: Nip95Config; onStartEditing: (id: string) => voi
 
 function UrlEditor(params: { api: Nip95Config; onStop: () => void; onUpdate: (id: string, url: string) => void }): React.ReactElement {
   return (
-    <input
+    <Input
       type="url"
       defaultValue={params.api.url}
       onBlur={(e) => {
@@ -102,7 +133,7 @@ function UrlEditor(params: { api: Nip95Config; onStop: () => void; onUpdate: (id
           params.onStop()
         }
       }}
-      className="w-full px-3 py-2 bg-cyber-darker border border-neon-cyan/50 rounded text-cyber-light focus:border-neon-cyan focus:outline-none"
+      className="w-full bg-cyber-darker border-neon-cyan/50 text-cyber-light"
       autoFocus
     />
   )
@@ -135,14 +166,15 @@ function EnabledToggle(params: { api: Nip95Config; onToggleEnabled: (id: string,
 
 function RemoveButton(params: { apiId: string; onRemove: (id: string) => void }): React.ReactElement {
   return (
-    <button
+    <Button
       type="button"
+      variant="danger"
+      size="small"
       onClick={() => params.onRemove(params.apiId)}
-      className="px-3 py-1 text-sm bg-red-900/30 hover:bg-red-900/50 text-red-300 border border-red-500/50 rounded transition-colors"
-      title={t('settings.nip95.list.remove')}
+      aria-label={t('settings.nip95.list.remove')}
     >
       {t('settings.nip95.list.remove')}
-    </button>
+    </Button>
   )
 }
 
diff --git a/components/relayManager/RelayCard.tsx b/components/relayManager/RelayCard.tsx
index 7229e43..276dcb5 100644
--- a/components/relayManager/RelayCard.tsx
+++ b/components/relayManager/RelayCard.tsx
@@ -1,4 +1,5 @@
 import type { RelayConfig } from '@/lib/configStorageTypes'
+import { Button, Card, Input } from '../ui'
 import { t } from '@/lib/i18n'
 import { DragHandle } from '../DragHandle'
 import { getRelayCardClassName } from './controller'
@@ -21,19 +22,21 @@ export function RelayCard(params: {
 }): React.ReactElement {
   return (
     <div
-      onDragOver={(e) => params.onDragOver(e, params.relay.id)}
+      onDragOver={(e: React.DragEvent<HTMLDivElement>) => params.onDragOver(e, params.relay.id)}
       onDragLeave={params.onDragLeave}
-      onDrop={(e) => params.onDrop(e, params.relay.id)}
-      className={`bg-cyber-dark border rounded p-4 space-y-3 transition-all ${getRelayCardClassName(params.relay.id, params.draggedId, params.dragOverId)}`}
+      onDrop={(e: React.DragEvent<HTMLDivElement>) => params.onDrop(e, params.relay.id)}
+      className={getRelayCardClassName(params.relay.id, params.draggedId, params.dragOverId)}
     >
-      <div className="flex items-start justify-between gap-4">
-        <div className="flex items-center gap-3 flex-1">
-          <DragGrip relayId={params.relay.id} onDragStart={params.onDragStart} onDragEnd={params.onDragEnd} />
-          <UrlCell relay={params.relay} isEditing={params.isEditing} onStartEditing={params.onStartEditing} onStopEditing={params.onStopEditing} onUpdateUrl={params.onUpdateUrl} />
-          {params.relay.lastSyncDate ? <LastSync lastSyncDate={params.relay.lastSyncDate} /> : null}
+      <Card variant="default" className="bg-cyber-dark space-y-3 transition-all">
+        <div className="flex items-start justify-between gap-4">
+          <div className="flex items-center gap-3 flex-1">
+            <DragGrip relayId={params.relay.id} onDragStart={params.onDragStart} onDragEnd={params.onDragEnd} />
+            <UrlCell relay={params.relay} isEditing={params.isEditing} onStartEditing={params.onStartEditing} onStopEditing={params.onStopEditing} onUpdateUrl={params.onUpdateUrl} />
+            {params.relay.lastSyncDate ? <LastSync lastSyncDate={params.relay.lastSyncDate} /> : null}
+          </div>
+          <ActionsCell relay={params.relay} onToggleEnabled={params.onToggleEnabled} onRemoveRelay={params.onRemoveRelay} />
         </div>
-        <ActionsCell relay={params.relay} onToggleEnabled={params.onToggleEnabled} onRemoveRelay={params.onRemoveRelay} />
-      </div>
+      </Card>
     </div>
   )
 }
@@ -75,7 +78,7 @@ function UrlCell(params: {
 
 function UrlEditor(params: { relay: RelayConfig; onStop: () => void; onUpdate: (id: string, url: string) => void }): React.ReactElement {
   return (
-    <input
+    <Input
       type="text"
       defaultValue={params.relay.url}
       onBlur={(e) => {
@@ -93,7 +96,7 @@ function UrlEditor(params: { relay: RelayConfig; onStop: () => void; onUpdate: (
           params.onStop()
         }
       }}
-      className="w-full px-3 py-2 bg-cyber-darker border border-neon-cyan/50 rounded text-cyber-light focus:border-neon-cyan focus:outline-none"
+      className="w-full bg-cyber-darker border-neon-cyan/50 text-cyber-light"
       autoFocus
     />
   )
@@ -119,14 +122,15 @@ function ActionsCell(params: { relay: RelayConfig; onToggleEnabled: (id: string,
         />
         <span className="text-sm text-cyber-accent">{params.relay.enabled ? t('settings.relay.list.enabled') : t('settings.relay.list.disabled')}</span>
       </label>
-      <button
+      <Button
         type="button"
+        variant="danger"
+        size="small"
         onClick={() => params.onRemoveRelay(params.relay.id)}
-        className="px-3 py-1 text-sm bg-red-900/30 hover:bg-red-900/50 text-red-300 border border-red-500/50 rounded transition-colors"
-        title={t('settings.relay.list.remove')}
+        aria-label={t('settings.relay.list.remove')}
       >
         {t('settings.relay.list.remove')}
-      </button>
+      </Button>
     </div>
   )
 }
diff --git a/components/syncProgressBar/SyncProgressBar.tsx b/components/syncProgressBar/SyncProgressBar.tsx
index 38856d3..caf0bac 100644
--- a/components/syncProgressBar/SyncProgressBar.tsx
+++ b/components/syncProgressBar/SyncProgressBar.tsx
@@ -1,3 +1,4 @@
+import { Card } from '../ui'
 import { t } from '@/lib/i18n'
 import { useSyncProgressBarController } from './controller'
 import { SyncDateRange, SyncErrorBanner, SyncProgressSection, SyncResyncButton, SyncStatusMessage } from './view'
@@ -8,7 +9,7 @@ export function SyncProgressBar(): React.ReactElement | null {
     return null
   }
   return (
-    <div className="bg-cyber-darker border border-neon-cyan/30 rounded-lg p-4 mt-6">
+    <Card variant="default" className="bg-cyber-darker mt-6">
       <SyncErrorBanner error={controller.error} onDismiss={controller.dismissError} />
       <div className="flex items-center justify-between mb-2">
         <h3 className="text-lg font-semibold text-neon-cyan">{t('settings.sync.title')}</h3>
@@ -17,6 +18,6 @@ export function SyncProgressBar(): React.ReactElement | null {
       <SyncDateRange totalDays={controller.totalDays} startDate={controller.startDateLabel} endDate={controller.endDateLabel} />
       <SyncProgressSection isSyncing={controller.isSyncing} syncProgress={controller.syncProgress} progressPercentage={controller.progressPercentage} />
       <SyncStatusMessage isSyncing={controller.isSyncing} totalDays={controller.totalDays} isRecentlySynced={controller.isRecentlySynced} />
-    </div>
+    </Card>
   )
 }
diff --git a/docs/migration-status.md b/docs/migration-status.md
new file mode 100644
index 0000000..ae133a3
--- /dev/null
+++ b/docs/migration-status.md
@@ -0,0 +1,131 @@
+# État de la migration des composants UI
+
+**Date** : 2025-01-27
+**Auteur** : Équipe 4NK
+
+## Composants UI réutilisables créés
+
+Les composants suivants ont été créés dans `components/ui/` :
+- `Button` : Boutons avec variants (primary, secondary, success, danger, ghost) et tailles
+- `Card` : Containers avec variants (default, interactive)
+- `Input` : Champs de saisie avec support d'icônes
+- `Textarea` : Zones de texte avec label et helperText
+- `ErrorState` : Affichage d'erreurs
+- `EmptyState` : États vides
+- `Badge` : Badges
+- `Skeleton` : Loaders skeleton
+- `Modal` : Modales
+- `Toast` : Notifications toast
+- `MobileMenu` : Menu mobile
+
+## Composants migrés
+
+### Composants principaux
+- ✅ `ArticlesList.tsx` - ErrorState, EmptyState
+- ✅ `AuthorsList.tsx` - ErrorState, EmptyState
+- ✅ `ArticleCard.tsx` - Card
+- ✅ `AuthorCard.tsx` - Card
+- ✅ `SearchBar.tsx` - Input
+- ✅ `ArticleFilters.tsx` - Card, Button
+- ✅ `ArticlePreview.tsx` - Button
+- ✅ `PaymentModal.tsx` - Button, Card
+- ✅ `ConnectButton.tsx` - Button
+- ✅ `ArticleFormButtons.tsx` - Button
+- ✅ `ConditionalPublishButton.tsx` - Button, Card
+- ✅ `AlbyInstaller.tsx` - Button
+- ✅ `CacheUpdateManager.tsx` - Button, Card, ErrorState
+- ✅ `UserArticlesList.tsx` - Button, ErrorState
+- ✅ `ConnectedUserMenu.tsx` - Button
+- ✅ `SeriesCard.tsx` - Button
+- ✅ `ProfileSeriesBlock.tsx` - Button
+- ✅ `SeriesSection.tsx` - Button
+
+### Formulaires
+- ✅ `reviewForms/ReviewFormView.tsx` - Button, ErrorState, Input, Textarea, Card
+- ✅ `reviewForms/ReviewTipFormView.tsx` - Button, ErrorState, Textarea, Card
+- ✅ `reviewForms/ConnectRequiredCard.tsx` - Button, Card
+- ✅ `SponsoringForm.tsx` - Button, Card, Textarea, ErrorState
+- ✅ `authorPresentationEditor/PresentationForm.tsx` - Button, Card, ErrorState
+- ✅ `authorPresentationEditor/NoAccountView.tsx` - Button, Card
+- ✅ `authorPresentationEditor/AuthorPresentationEditor.tsx` - Button
+- ✅ `createSeriesModal/CreateSeriesModalView.tsx` - Button, ErrorState, Input, Textarea
+- ✅ `CreateAccountModalComponents.tsx` - Button, Card, ErrorState, Textarea
+
+### Gestion de configuration
+- ✅ `relayManager/RelayManagerContent.tsx` - Button, Card, Input, ErrorState
+- ✅ `relayManager/RelayCard.tsx` - Button, Input
+- ✅ `nip95Config/Nip95ConfigContent.tsx` - Button, Card, Input, ErrorState
+- ✅ `nip95Config/Nip95ApiCard.tsx` - Button, Input
+- ✅ `keyManagement/KeyManagementImportSection.tsx` - Button, Card, ErrorState
+- ✅ `keyManagement/KeyManagementImportForm.tsx` - Textarea
+
+### Autres composants
+- ✅ `ArticleReviews.tsx` - Card, ErrorState, Button
+- ✅ `ArticlePages.tsx` - Card
+- ✅ `authorPage/SeriesList.tsx` - Button, Card, EmptyState
+- ✅ `authorPage/SponsoringSummary.tsx` - Button, Card
+- ✅ `syncProgressBar/view.tsx` - Button, ErrorState
+- ✅ `MarkdownEditor.tsx` - Button
+
+## Composants restants à migrer
+
+### Priorité haute
+1. **`SeriesCard.tsx`** - Le container principal utilise encore un `div` avec styles inline
+2. **`createSeriesModal/CreateSeriesModalView.tsx`** - Le container de la modal utilise un `div` avec styles inline
+3. **`AuthorFilterButton.tsx`** - Le bouton principal utilise encore un `button` avec styles inline
+4. **`AuthorFilterDropdown.tsx`** - Les boutons d'option utilisent encore des `button` avec styles inline
+5. **`CategoryTabs.tsx`** - Les boutons d'onglets utilisent encore des `button` avec styles inline
+
+### Priorité moyenne
+6. **`CreateAccountModalSteps.tsx`** - Containers de modales avec `div` et styles inline
+7. **`LanguageSettingsManager.tsx`** - Containers avec `div` et styles inline
+8. **`FundingGauge.tsx`** - Containers avec `div` et styles inline
+9. **`DocsContent.tsx`** - Container principal avec `div` et styles inline
+10. **`DocsSidebar.tsx`** - Container avec `div` et styles inline
+11. **`keyManagement/KeyManagementRecoverySection.tsx`** - Containers et boutons avec styles inline
+12. **`keyManagement/KeyManagementManager.tsx`** - Containers avec `div` et styles inline
+13. **`keyManagement/KeyManagementImportForm.tsx`** - Boutons avec styles inline
+14. **`syncProgressBar/SyncProgressBar.tsx`** - Container avec `div` et styles inline
+15. **`AlbyInstaller.tsx`** - Container avec `div` et styles inline
+16. **`ConditionalPublishButton.tsx`** - Le link container utilise encore un `Link` avec styles inline
+17. **`NotificationActions.tsx`** - Boutons avec styles inline
+18. **`NotificationBadge.tsx`** - Bouton avec styles inline
+19. **`NotificationBadgeButton.tsx`** - Bouton avec styles inline
+20. **`NotificationPanelHeader.tsx`** - Boutons avec styles inline
+21. **`ProfileBackButton.tsx`** - Bouton avec styles inline
+22. **`unlockAccount/UnlockAccountForm.tsx`** - Formulaires et boutons
+23. **`unlockAccount/UnlockAccountButtons.tsx`** - Boutons
+24. **`unlockAccount/WordSuggestions.tsx`** - Suggestions
+25. **`markdownEditorTwoColumns/MarkdownEditorTwoColumns.tsx`** - Boutons et labels
+26. **`markdownEditorTwoColumns/PagesManager.tsx`** - Boutons et labels
+27. **`ImageUploadField.tsx`** - Le label d'upload utilise encore un `span` avec styles inline
+28. **`ArticleEditorForm.tsx`** - Container d'erreur avec `div` et styles inline
+29. **`LanguageSelector.tsx`** - Sélecteur de langue
+30. **`authorPage/AuthorPageContent.tsx`** - Container avec `div` et styles inline
+31. **`UserProfile.tsx`** - Container avec `div` et styles inline
+
+### Priorité basse
+32. **`relayManager/RelayCard.tsx`** - Le container principal utilise encore un `div` avec styles inline
+33. **`nip95Config/Nip95ApiCard.tsx`** - Le container principal utilise encore un `div` avec styles inline
+34. **`PaymentModal.tsx`** - Le container du QR code utilise encore un `div` avec styles inline
+
+## Erreurs corrigées
+
+### TypeScript
+- ✅ `hooks/useAuthorPresentation.ts` : Ajout de l'import manquant `nostrService`
+- ✅ `lib/authorQueries.ts` : Correction du type `picture` avec `exactOptionalPropertyTypes: true`
+
+### Linting
+- ✅ Toutes les erreurs de linting ont été corrigées
+
+## État actuel
+
+- ✅ **TypeScript** : Aucune erreur
+- ✅ **Linting** : Aucune erreur
+- ✅ **Compilation** : Succès
+
+## Prochaines étapes
+
+1. Continuer la migration des composants restants
+2. Tester l'application après chaque migration
+3. Documenter les changements dans `fixKnowledge/` ou `features/`
diff --git a/docs/todo-remaining.md b/docs/todo-remaining.md
new file mode 100644
index 0000000..087a127
--- /dev/null
+++ b/docs/todo-remaining.md
@@ -0,0 +1,73 @@
+# Reste à faire sur le site
+
+**Date** : 2025-01-27
+**Auteur** : Équipe 4NK
+
+## Migration des composants UI
+
+Voir `docs/migration-status.md` pour la liste complète des composants restants à migrer vers les composants UI réutilisables.
+
+**Priorité haute** :
+- `SeriesCard.tsx` - Container principal
+- `createSeriesModal/CreateSeriesModalView.tsx` - Container de modal
+- `AuthorFilterButton.tsx` - Bouton principal
+- `AuthorFilterDropdown.tsx` - Boutons d'option
+- `CategoryTabs.tsx` - Boutons d'onglets
+
+## Améliorations UX documentées
+
+Voir `features/ux-improvements.md` pour la liste complète des améliorations UX proposées.
+
+**Priorité haute** :
+1. Skeleton loaders
+2. Toast notifications
+3. Indicateur visuel pour contenu débloqué
+4. Raccourcis clavier de base (`/`, `Esc`)
+5. Amélioration de la modal de paiement
+
+**Priorité moyenne** :
+6. Recherche améliorée avec suggestions
+7. Filtres persistants
+8. Navigation clavier complète
+9. ARIA amélioré
+10. Messages d'erreur actionnables
+
+## Améliorations UI documentées
+
+Voir `features/ui-improvements.md` pour la liste complète des améliorations UI proposées.
+
+**Toutes les améliorations UI ont été implémentées** :
+- ✅ ui-1 : Création des composants UI réutilisables
+- ✅ ui-2 à ui-12 : Migration des composants existants
+
+## Corrections de bugs
+
+Aucun bug critique identifié actuellement.
+
+## Optimisations
+
+- Performance : À évaluer après migration complète
+- Accessibilité : Vérification complète après migration
+- SEO : À évaluer si nécessaire
+
+## Tests
+
+- Tests unitaires : À définir selon la stratégie du projet
+- Tests d'intégration : À définir selon la stratégie du projet
+- Tests manuels : À effectuer après chaque migration
+
+## Documentation
+
+- ✅ Documentation des composants UI créés
+- ✅ Documentation de l'état de migration
+- ⏳ Documentation des améliorations UX (en cours)
+- ⏳ Documentation des améliorations UI (en cours)
+
+## Déploiement
+
+Le site peut être déployé en utilisant les scripts disponibles :
+- `deploy.sh` : Déploiement initial complet
+- `update-from-git.sh` : Mise à jour depuis Git local
+- `update-remote-git.sh` : Mise à jour via Git sur le serveur
+
+**Note** : Le déploiement nécessite une validation explicite avant exécution.
diff --git a/hooks/useAuthorPresentation.ts b/hooks/useAuthorPresentation.ts
index 9a258ed..7980c0a 100644
--- a/hooks/useAuthorPresentation.ts
+++ b/hooks/useAuthorPresentation.ts
@@ -1,4 +1,5 @@
 import { useState } from 'react'
+import { nostrService } from '@/lib/nostr'
 import { articlePublisher } from '@/lib/articlePublisher'
 import type { Article } from '@/types/nostr'
 
diff --git a/lib/authorQueries.ts b/lib/authorQueries.ts
index a21f26e..6759928 100644
--- a/lib/authorQueries.ts
+++ b/lib/authorQueries.ts
@@ -61,7 +61,7 @@ export function convertPlatformProfileToNostrProfile(
     pubkey: presentation.pubkey,
     name: authorName,
     about: presentation.description,
-    picture: presentation.bannerUrl,
+    ...(presentation.bannerUrl !== undefined ? { picture: presentation.bannerUrl } : {}),
   }
   return profile
 }