diff --git a/frontend/index.html b/frontend/index.html
index 7ef9061..64a7792 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -611,7 +611,7 @@
                                 </button>
                                 <button
                                     class="menu-list-row menu-list-button"
-                                    id="editor-poc-btn"
+                                    id="about-open-btn"
                                     type="button"
                                     role="menuitem"
                                 >
@@ -620,16 +620,16 @@
                                         aria-hidden="true"
                                     >
                                         <i
-                                            data-lucide="pencil"
+                                            data-lucide="sparkles"
                                             style="width: 17px; height: 17px"
                                         ></i>
                                     </span>
                                     <span class="menu-list-content">
                                         <span class="menu-list-title"
-                                            >Editor POC</span
+                                            >A propos</span
                                         >
                                         <span class="menu-list-subtitle"
-                                            >Nouvel editeur (demo)</span
+                                            >Version, credits &amp; info</span
                                         >
                                     </span>
                                 </button>
@@ -4780,5 +4780,66 @@ curl -X POST https://votre-serveur.com/webhook \
                 </div>
             </div>
         </div>
+        <!-- About Modal -->
+        <div class="about-overlay" id="about-overlay">
+            <div class="about-modal">
+                <button class="about-close" id="about-close" aria-label="Fermer">&times;</button>
+                <div class="about-hero">
+                    <div class="about-logo">
+                        <svg width="56" height="56" viewBox="0 0 56 56" fill="none">
+                            <rect width="56" height="56" rx="14" fill="var(--accent)" opacity="0.15"/>
+                            <rect x="12" y="8" width="14" height="18" rx="3" fill="var(--accent)" opacity="0.9"/>
+                            <rect x="29" y="8" width="14" height="18" rx="3" fill="var(--accent)" opacity="0.5"/>
+                            <rect x="12" y="30" width="14" height="18" rx="3" fill="var(--accent)" opacity="0.7"/>
+                            <rect x="29" y="30" width="14" height="18" rx="3" fill="var(--accent)" opacity="0.35"/>
+                        </svg>
+                    </div>
+                    <h1 class="about-title">ObsiGate</h1>
+                    <p class="about-tagline">Vos notes Obsidian,<br>simplement accessibles.</p>
+                    <span class="about-version">v2.0.0-dev</span>
+                </div>
+                <div class="about-body">
+                    <div class="about-stats">
+                        <div class="about-stat">
+                            <span class="about-stat-value" id="about-stat-files">—</span>
+                            <span class="about-stat-label">Fichiers</span>
+                        </div>
+                        <div class="about-stat">
+                            <span class="about-stat-value" id="about-stat-vaults">—</span>
+                            <span class="about-stat-label">Vaults</span>
+                        </div>
+                        <div class="about-stat">
+                            <span class="about-stat-value">285</span>
+                            <span class="about-stat-label">Tests</span>
+                        </div>
+                    </div>
+                    <div class="about-stack">
+                        <h3>Construit avec</h3>
+                        <div class="about-stack-grid">
+                            <span class="about-stack-badge">🐍 FastAPI</span>
+                            <span class="about-stack-badge">⚡ vanilla JS</span>
+                            <span class="about-stack-badge">🎨 CSS custom</span>
+                            <span class="about-stack-badge">🐳 Docker</span>
+                            <span class="about-stack-badge">🔍 TF-IDF</span>
+                            <span class="about-stack-badge">📝 CodeMirror 6</span>
+                            <span class="about-stack-badge">🧜 Mermaid.js</span>
+                            <span class="about-stack-badge">🧠 Argon2id</span>
+                            <span class="about-stack-badge">🔄 Watchdog</span>
+                            <span class="about-stack-badge">📊 WeasyPrint</span>
+                            <span class="about-stack-badge">🧪 Playwright</span>
+                            <span class="about-stack-badge">🤖 AI multi-provider</span>
+                        </div>
+                    </div>
+                    <div class="about-footer">
+                        <div class="about-meta">
+                            <span>Derniere livraison&nbsp;: <strong id="about-build-date">Juin 2026</strong></span>
+                            <span>Git&nbsp;: <strong id="about-commit">—</strong></span>
+                        </div>
+                        <p class="about-joke" id="about-joke"></p>
+                        <p class="about-copy">&copy; 2026 — Fait avec ☕, 🎧 et quelques <code>git push --force</code> accidentels.</p>
+                    </div>
+                </div>
+            </div>
+        </div>
     </body>
 </html>
diff --git a/frontend/js/app.js b/frontend/js/app.js
index 03b0186..3e8dfb1 100644
--- a/frontend/js/app.js
+++ b/frontend/js/app.js
@@ -38,7 +38,7 @@ async function init() {
   Legacy.initSidebarTabs();
   Legacy.initHelpModal();
   Legacy.initConfigModal();
-  Legacy.initEditorPocBtn();
+  Legacy.initAboutModal();
   Sidebar.initSidebarFilter();
   UI.initSidebarResize();
   Utils.initEditor();
diff --git a/frontend/js/config.js b/frontend/js/config.js
index 1db9678..f8122a1 100644
--- a/frontend/js/config.js
+++ b/frontend/js/config.js
@@ -1386,6 +1386,7 @@ export {
   loadAbout as initAboutSection,
   loadHiddenFilesSettings as initHiddenFilesConfig,
   initThemePicker,
+  initAboutModal,
   switchSidebarTab,
 };
 
@@ -1451,3 +1452,59 @@ function initThemePicker() {
     renderCards();
   });
 }
+
+// ── About Modal ──────────────────────────────────────────────────────
+function initAboutModal() {
+  var overlay = document.getElementById('about-overlay');
+  var closeBtn = document.getElementById('about-close');
+  if (!overlay) return;
+
+  // Open button
+  var openBtn = document.getElementById('about-open-btn');
+  if (openBtn) {
+    openBtn.addEventListener('click', function() {
+      overlay.classList.add('active');
+      populateAbout();
+    });
+  }
+
+  // Close
+  closeBtn.addEventListener('click', function() { overlay.classList.remove('active'); });
+  overlay.addEventListener('click', function(e) { if (e.target === overlay) overlay.classList.remove('active'); });
+  document.addEventListener('keydown', function(e) { if (e.key === 'Escape' && overlay.classList.contains('active')) overlay.classList.remove('active'); });
+
+  function populateAbout() {
+    // Live stats from health endpoint
+    fetch('/api/health')
+      .then(function(r) { return r.json(); })
+      .then(function(d) {
+        var fEl = document.getElementById('about-stat-files');
+        var vEl = document.getElementById('about-stat-vaults');
+        if (fEl) fEl.textContent = d.total_files || '—';
+        if (vEl) vEl.textContent = d.vaults || '—';
+      })
+      .catch(function() {});
+
+    // Build date (today)
+    var now = new Date();
+    var months = ['Janvier','Fevrier','Mars','Avril','Mai','Juin','Juillet','Aout','Septembre','Octobre','Novembre','Decembre'];
+    var dateEl = document.getElementById('about-build-date');
+    if (dateEl) dateEl.textContent = months[now.getMonth()] + ' ' + now.getFullYear();
+
+    // Random joke
+    var jokes = [
+      '0 bug connu. Les autres sont timides.',
+      'Compile du premier coup. (Sauf le lundi matin.)',
+      'Ecrit par un humain. Probablement.',
+      'Aucun LLM n\'a ete blesse durant ce developpement.',
+      'Quand ca marche, on appelle ca une feature.',
+      'CSS: 90% du temps de dev, 10% du code.',
+      'Dark mode active depuis la naissance du projet.',
+      'Ca marche sur ma machine™',
+      'Techniquement, tout est un edge case.',
+      'Le CSS de ce panneau a pris plus de temps que le backend.'
+    ];
+    var jokeEl = document.getElementById('about-joke');
+    if (jokeEl) jokeEl.textContent = '« ' + jokes[Math.floor(Math.random() * jokes.length)] + ' »';
+  }
+}
diff --git a/frontend/js/legacy.js b/frontend/js/legacy.js
index 3e29b2b..de57aac 100644
--- a/frontend/js/legacy.js
+++ b/frontend/js/legacy.js
@@ -25,7 +25,7 @@ import {
 } from './dashboard.js';
 
 // --- Re-exports from modules that already have these functions ---
-export { initSidebarTabs, initConfigModal, initHelpModal, initRecentTab, initEditorPocBtn } from './config.js';
+export { initSidebarTabs, initConfigModal, initHelpModal, initRecentTab, initAboutModal } from './config.js';
 export { initSyncStatus } from './sync.js';
 export { DashboardRecentWidget } from './dashboard.js';
 
diff --git a/frontend/js/sync.js b/frontend/js/sync.js
index c1f803c..2a7ce70 100644
--- a/frontend/js/sync.js
+++ b/frontend/js/sync.js
@@ -3,7 +3,7 @@ import { state } from './state.js';
 import { showToast } from './ui.js';
 import { api } from './auth.js';
 import { loadVaults, loadTags, refreshTagsForContext, refreshSidebarTreePreservingState } from './sidebar.js';
-import { loadRecentFiles } from './config.js';
+import { loadRecentFiles, initAboutModal } from './config.js';
 import { openFile } from './viewer.js';
 import { initOffline, syncFileIndexFromServer } from './offline.js';
 import { initThemes } from './themes.js';
@@ -554,6 +554,7 @@ export function init() {
   registerServiceWorker();
   initOffline();
   initThemes();
+  initAboutModal();
   // Sync file index after a short delay (let vaults load first)
   setTimeout(() => syncFileIndexFromServer(), 3000);
   initDashboardTabs();
diff --git a/frontend/style.css b/frontend/style.css
index d167c2f..78ddddf 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -1,8307 +1,96 @@
-@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Lora:ital,wght@0,400;0,600;1,400&display=swap");
 
-/* ===== RESET ===== */
-*,
-*::before,
-*::after {
-  margin: 0;
-  padding: 0;
-  box-sizing: border-box;
+/* ── About Modal ── */
+.about-overlay {
+  position: fixed; inset: 0; z-index: 1000;
+  background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
+  display: none; align-items: center; justify-content: center;
 }
-
-/* ── Editor save dot state colors ── */
-:root {
-  --ok: #34d399;
-  --warn: #fbbf24;
-  --ai: #8b5cf6;
-  --err: #f87171;
-}
-
-/* ===== THEME — DARK (default) ===== */
-:root[data-theme="dark"] {
-  --bg-primary: #0f1117;
-  --bg-secondary: #161b22;
-  --bg-sidebar: #13161d;
-  --bg-hover: #1f2430;
-  --border: #21262d;
-  --text-primary: #e6edf3;
-  --text-secondary: #8b949e;
-  --text-muted: #484f58;
-  --accent: #58a6ff;
-  --accent-green: #3fb950;
-  --tag-bg: #1f2a3a;
-  --tag-text: #79c0ff;
-  --code-bg: #161b22;
-  --search-bg: #21262d;
-  --scrollbar: #30363d;
-  --resize-handle: #30363d;
-  --overlay-bg: rgba(0, 0, 0, 0.5);
-  --danger: #ff7b72;
-  --danger-bg: #3d1a18;
-  --success: #3fb950;
-  --success-bg: #1a3d1f;
-
-  /* Accent Card variables */
-  --accent-card: #58a6ff;
-  --accent-bg: #1f2a3a;
-  --accent-text: #79c0ff;
-  --green: #3fb950;
-  --green-bg: #1a3d1f;
-  --purple: #a371f7;
-  --purple-bg: #2d1b4e;
-  --surface: #161b22;
-  --surface2: #0f1117;
-  --surface3: #0d0f14;
-  --border-md: #30363d;
-  --text: #e6edf3;
-  --text-2: #8b949e;
-  --text-3: #484f58;
-  --mono: "JetBrains Mono", monospace;
-  --radius: 6px;
-  --radius-lg: 10px;
-}
-
-/* ===== THEME — LIGHT ===== */
-:root[data-theme="light"] {
-  --bg-primary: #ffffff;
-  --bg-secondary: #f6f8fa;
-  --bg-sidebar: #f0f2f5;
-  --bg-hover: #e8ecf0;
-  --border: #d0d7de;
-  --text-primary: #1f2328;
-  --text-secondary: #57606a;
-  --text-muted: #9198a1;
-  --accent: #0969da;
-  --accent-green: #1a7f37;
-  --tag-bg: #ddf4ff;
-  --tag-text: #0969da;
-  --code-bg: #f6f8fa;
-  --search-bg: #ffffff;
-  --scrollbar: #d0d7de;
-  --resize-handle: #d0d7de;
-  --overlay-bg: rgba(0, 0, 0, 0.3);
-  --danger: #cf222e;
-  --danger-bg: #ffebe9;
-  --success: #1a7f37;
-  --success-bg: #dafbe1;
-
-  /* Accent Card variables */
-  --accent-card: #4f6ef7;
-  --accent-bg: #eef1fe;
-  --accent-text: #2540c9;
-  --green: #1a7f50;
-  --green-bg: #eaf5ee;
-  --purple: #6b40c4;
-  --purple-bg: #f1ecfd;
-  --surface: #ffffff;
-  --surface2: #f2f1ef;
-  --surface3: #ebe9e6;
-  --border-md: rgba(0, 0, 0, 0.13);
-  --text: #1a1917;
-  --text-2: #6b6a67;
-  --text-3: #a09e9b;
-  --mono: "JetBrains Mono", monospace;
-  --radius: 6px;
-  --radius-lg: 10px;
-}
-
-/* ===== BASE ===== */
-html {
-  font-size: 16px;
-  scroll-behavior: smooth;
-}
-
-body {
-  font-family: "Lora", Georgia, serif;
-  background: var(--bg-primary);
-  color: var(--text-primary);
-  line-height: 1.7;
-  transition:
-    background 200ms ease,
-    color 200ms ease;
-  overflow: hidden;
-  height: 100vh;
-}
-
-a {
-  color: var(--accent);
-  text-decoration: none;
-}
-a:hover {
-  text-decoration: underline;
-}
-
-/* ===== LAYOUT ===== */
-.app-container {
-  display: flex;
-  flex-direction: column;
-  height: 100vh;
-}
-
-/* --- Header --- */
-.header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 12px;
-  padding: 10px 20px;
+.about-overlay.active { display: flex; }
+.about-modal {
   background: var(--bg-secondary);
-  border-bottom: 1px solid var(--border);
-  flex-shrink: 0;
-  z-index: 100;
-  transition: background 200ms ease;
-}
-
-.header-left {
-  display: flex;
-  align-items: center;
-  gap: 12px;
-  flex: 0 1 auto;
-}
-
-.header-center {
-  display: flex;
-  justify-content: center;
-  flex: 1 1 auto;
-  max-width: 600px;
-}
-
-.header-right {
-  display: flex;
-  align-items: center;
-  justify-content: flex-end;
-  gap: 12px;
-  flex: 0 1 auto;
-}
-
-.vault-context-indicator {
-  display: flex;
-  align-items: center;
-  gap: 6px;
-  padding: 6px 12px;
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.75rem;
-  font-weight: 600;
-  cursor: default;
-  transition: all 200ms ease;
-  /* Default: neutral (overridden by classes below) */
-  background: var(--bg-tertiary);
-  color: var(--text-muted);
-}
-.vault-context-indicator:hover {
-  filter: brightness(1.15);
-}
-.vault-context-indicator i {
-  opacity: 0.8;
-}
-
-/* ── Offline Indicator ── */
-.offline-indicator {
-  position: relative;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  margin-right: 8px;
-  cursor: default;
-}
-.offline-indicator.offline i {
-  color: var(--warning, #f59e0b);
-  opacity: 1;
-}
-.offline-pending {
-  position: absolute;
-  top: -4px;
-  right: -8px;
-  background: var(--danger, #ef4444);
-  color: #fff;
-  font-size: 0.6rem;
-  font-weight: 700;
-  min-width: 14px;
-  height: 14px;
-  line-height: 14px;
-  text-align: center;
-  border-radius: 7px;
-  padding: 0 3px;
-}
-
-/* ── Offline Search Result Badge ── */
-.search-result-offline-badge {
-  display: inline-block;
-  background: var(--warning, #f59e0b);
-  color: #000;
-  font-size: 0.55rem;
-  font-weight: 700;
-  padding: 1px 5px;
-  border-radius: 3px;
-  margin-left: 6px;
-  vertical-align: middle;
-  text-transform: uppercase;
-}
-
-/* ── Conflict Resolution Modal ── */
-.conflict-modal-overlay {
-  position: fixed;
-  inset: 0;
-  background: rgba(0,0,0,0.6);
-  z-index: 9999;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-.conflict-modal {
-  background: var(--bg-card, #1e1e2e);
-  border: 1px solid var(--border, #333);
-  border-radius: 8px;
-  padding: 24px;
-  max-width: 600px;
-  width: 90%;
-  max-height: 80vh;
-  overflow-y: auto;
-}
-.conflict-modal h3 {
-  margin: 0 0 8px;
-  font-size: 1.1rem;
-}
-.conflict-modal p {
-  color: var(--text-muted, #888);
-  font-size: 0.85rem;
-  margin: 0 0 16px;
-}
-.conflict-modal-actions {
-  display: flex;
-  gap: 8px;
-  justify-content: flex-end;
-}
-.conflict-modal-actions button {
-  padding: 8px 16px;
-  border-radius: 6px;
-  border: 1px solid var(--border, #333);
-  background: var(--bg-input, #2a2a3c);
-  color: var(--text, #ddd);
-  cursor: pointer;
-  font-size: 0.85rem;
-}
-.conflict-modal-actions .btn-primary {
-  background: var(--accent, #3b82f6);
-  border-color: var(--accent);
-  color: #fff;
-}
-
-/* All vaults — blue */
-.vault-ctx-all {
-  background: color-mix(in srgb, #3b82f6 14%, transparent) !important;
-  border-color: color-mix(in srgb, #3b82f6 30%, var(--border)) !important;
-  color: #60a5fa !important;
-}
-.vault-ctx-all i { color: #60a5fa !important; }
-
-/* Specific vault — mauve/violet */
-.vault-ctx-vault {
-  background: color-mix(in srgb, #a855f7 14%, transparent) !important;
-  border-color: color-mix(in srgb, #a855f7 30%, var(--border)) !important;
-  color: #c084fc !important;
-}
-.vault-ctx-vault i { color: #c084fc !important; }
-
-/* Directory — amber/yellow */
-.vault-ctx-dir {
-  background: color-mix(in srgb, #f59e0b 14%, transparent) !important;
-  border-color: color-mix(in srgb, #f59e0b 30%, var(--border)) !important;
-  color: #fbbf24 !important;
-}
-.vault-ctx-dir i { color: #fbbf24 !important; }
-
-.hamburger-btn {
-  display: none;
-  background: none;
-  border: none;
-  color: var(--text-secondary);
-  cursor: pointer;
-  padding: 4px;
-  align-items: center;
-  justify-content: center;
-  flex-shrink: 0;
-}
-.hamburger-btn:hover {
-  color: var(--accent);
-}
-
-.sidebar-toggle-btn {
-  display: flex;
-  background: none;
-  border: none;
-  color: var(--text-secondary);
-  cursor: pointer;
-  padding: 4px;
-  align-items: center;
-  justify-content: center;
-  flex-shrink: 0;
-  transition: color 200ms ease;
-}
-.sidebar-toggle-btn:hover {
-  color: var(--accent);
-}
-.sidebar-toggle-btn.active {
-  color: var(--accent);
-}
-
-.header-logo {
-  font-family: "JetBrains Mono", monospace;
-  font-weight: 700;
-  font-size: 1.15rem;
-  color: var(--accent);
-  white-space: nowrap;
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  cursor: pointer;
-  transition: opacity 200ms ease;
-  text-decoration: none;
-}
-.header-logo:hover {
-  opacity: 0.8;
-  text-decoration: none;
-}
-
-.search-wrapper {
-  width: 100%;
-  max-width: 620px;
-  position: relative;
-  display: flex;
-  flex-direction: column;
-  gap: 4px;
-}
-
-.search-wrapper .search-icon {
-  position: absolute;
-  left: 10px;
-  top: 14px;
-  color: var(--text-secondary);
-  pointer-events: none;
-  z-index: 1;
-}
-
-.search-input-wrapper {
-  position: relative;
-  flex: 1;
-  display: flex;
-  align-items: center;
-}
-
-.search-input-wrapper input {
-  flex: 1;
-  min-width: 0;
-  padding: 8px 14px 8px 38px;
-  border: 1px solid var(--border);
-  border-radius: 6px;
-  background: var(--bg-secondary);
-  color: var(--text-primary);
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.9rem;
-  outline: none;
-  transition:
-    border-color 200ms ease,
-    background 200ms ease;
-}
-
-.search-input-wrapper input:focus {
-  border-color: var(--accent);
-}
-
-.search-actions {
-  display: flex;
-  align-items: center;
-  gap: 2px;
-  flex-shrink: 0;
-  padding-left: 4px;
-}
-
-.search-btn {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  min-width: 26px;
-  height: 26px;
-  padding: 0 4px;
-  border: 1px solid var(--border);
-  border-radius: 4px;
-  background: var(--bg-secondary);
-  color: var(--text-secondary);
-  cursor: pointer;
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.7rem;
-  font-weight: 600;
-  transition: all 150ms ease;
-  flex-shrink: 0;
-}
-
-.search-btn:hover {
-  border-color: var(--accent);
-  color: var(--accent);
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-.help-card {
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   border-radius: 16px;
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-.help-card-icon {
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-.help-section {
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-.help-feature-emoji {
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-.help-steps {
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-.help-step {
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-.help-step-number {
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-.help-check-item {
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-.help-check-item span {
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-.help-check-item p {
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-.help-tip-panel {
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-.help-tip-grid {
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-.help-tip-card {
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-}
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-  padding: 16px;
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-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.9rem;
-  line-height: 1.55;
-  box-sizing: border-box;
+  width: 480px; max-width: 92vw; max-height: 90vh;
   overflow-y: auto;
-  overflow-x: auto;
-  white-space: pre-wrap;
-  word-wrap: break-word;
-}
-
-/* Mobile right sidebar - hide by default */
-@media (max-width: 768px) {
-  .right-sidebar {
-    display: none;
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-  .right-sidebar-resize-handle {
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-}
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-/* Mobile help navigation */
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-  .help-nav {
-    display: none;
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-  .help-content {
-    padding: 20px 16px 32px;
-  }
-  .vault-context-indicator {
-    /* Keep visible on mobile — same look as desktop */
-    padding: 4px 8px;
-    font-size: 0.7rem;
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-}
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-/* Mobile editor */
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-  }
-  .editor-header {
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-  }
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-    min-width: 36px;
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-  }
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-  }
-  .search-results-header {
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-}
-
-/* --- No-select during resize --- */
-body.resizing {
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-  -webkit-user-select: none;
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-}
-body.resizing-v {
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-  cursor: ns-resize;
-}
-
-/* --- Responsive — Tablet --- */
-@media (max-width: 1024px) {
-  .sidebar {
-    width: 240px;
-    min-width: 200px;
-  }
-}
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-/* --- Responsive — Mobile --- */
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-  .sidebar-toggle-btn {
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-  .header {
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-  .header-left {
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-  .header-center {
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-  .header-right {
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-  .header-logo {
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-  .user-display-name {
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-  .search-wrapper {
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-  .search-wrapper .search-icon {
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-  /* Mobile: keep only filter + clear visible in header search */
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-  .search-actions .search-sep,
-  .search-actions .search-count { display: none; }
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-
-  .search-dropdown {
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-  .search-dropdown__item {
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-  .search-dropdown__icon {
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-  .header-menu-btn {
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-  .header-menu-dropdown {
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-  .sidebar-quick-select {
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-
-  .sidebar-quick-select select {
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-  [data-theme="dark"] .sidebar-quick-select select {
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-  .sidebar-panel-toggle {
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-  .tag-cloud {
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-  .sidebar {
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-  }
-
-  /* Mobile sidebar overlay */
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-  /* Right Sidebar handling on mobile */
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-  .tag-cloud-section {
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-  #vault-panel-content {
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-  .help-content {
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-  .help-hero {
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-  .help-grid,
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-  .content-area {
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-  .file-title {
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-  .file-actions .btn-action {
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-  /* Full-width search results */
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-  .search-result-title {
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-  .search-result-ext {
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-  .search-results-header {
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-  /* Full-width dashboard */
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-  }
-
-  .stat-card {
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-  }
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-  .dashboard-tab {
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-  .breadcrumb {
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-  /* Mobile tab bar */
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-  /* Full-width content wrapper */
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-/* --- Configuration Modal --- */
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-}
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-.config-section {
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-.config-section h2 {
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-.config-description {
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-.config-filters-list {
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-.config-filter-badge {
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-.config-filter-badge.disabled {
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-.config-filter-remove {
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-.config-filter-remove:hover {
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-.config-filter-toggle {
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-.config-add-pattern {
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-.config-input {
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-.config-input:focus {
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-.config-select {
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-.config-btn-add {
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-.config-btn-add:hover {
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-.config-regex-preview {
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-.config-regex-preview code {
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-/* --- Config rows & controls --- */
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-@keyframes pulse {
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-  50% {
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-.config-btn-secondary {
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-.config-btn-secondary:hover {
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-/* --- Config diagnostics panel --- */
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-.config-diag-section-title {
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-@media (max-width: 768px) {
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-    gap: 4px;
-  }
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-    width: 100%;
-  }
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-
-/* --- Toast notifications --- */
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-  left: 50%;
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-/* ---------------------------------------------------------------------------
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-/* ---------------------------------------------------------------------------
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-/* ---------------------------------------------------------------------------
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-/* ── Recent files section on vault home ── */
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-/* ---------------------------------------------------------------------------
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-/* ---------------------------------------------------------------------------
-   Toast — info variant (blue)
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-/* ---------------------------------------------------------------------------
-   Config Toggle Switch
-   --------------------------------------------------------------------------- */
-.config-toggle {
   position: relative;
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-  width: 40px;
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+  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
+  animation: about-in 0.35s ease;
 }
-.config-toggle input {
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+@keyframes about-in {
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+  to   { opacity: 1; transform: translateY(0) scale(1); }
 }
-.config-toggle-slider {
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-/* ---------------------------------------------------------------------------
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-  border-bottom: 1px solid var(--border);
-}
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-.hidden-files-vault-header h3 {
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-.hidden-files-vault-type {
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-.hidden-files-whitelist {
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-.hidden-files-whitelist-items {
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-  border: 1px dashed var(--border);
-}
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-.hidden-files-whitelist-items:empty::before {
-  content: "Aucun dossier dans la liste blanche";
-  color: var(--text-muted);
-  font-size: 0.85rem;
-  font-style: italic;
-}
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-.hidden-files-whitelist-item {
-  display: inline-flex;
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-  background: var(--tag-bg);
-  color: var(--tag-text);
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-  font-size: 0.85rem;
-  font-family: var(--mono);
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-  transition: all 150ms ease;
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-.hidden-files-whitelist-item:hover {
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-}
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-.whitelist-item-text {
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-.whitelist-item-remove {
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-}
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-.whitelist-item-remove:hover {
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-.hidden-files-add-row {
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-}
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-.hidden-files-add-row .config-input {
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-.config-btn-add {
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-  font-weight: 500;
-  transition: all 150ms ease;
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-.config-btn-add:hover {
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-  transform: translateY(-1px);
-}
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-.config-btn-add:active {
-  transform: translateY(0);
-}
-
-/* ---------------------------------------------------------------------------
-   Utility — hidden class
-   --------------------------------------------------------------------------- */
-.hidden {
-  display: none !important;
-}
-
-/* ---------------------------------------------------------------------------
-   Login Screen
-   --------------------------------------------------------------------------- */
-.login-screen {
-  position: fixed;
-  inset: 0;
-  z-index: 10001;
-  display: flex;
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-}
-.login-card {
-  width: 380px;
-  max-width: 90vw;
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-  border-radius: 16px;
-  padding: 40px 36px;
-  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
-  animation: loginFadeIn 0.4s ease-out;
-}
-@keyframes loginFadeIn {
-  from {
-    opacity: 0;
-    transform: translateY(20px) scale(0.97);
-  }
-  to {
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-    transform: translateY(0) scale(1);
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-}
-.login-header {
-  text-align: center;
-  margin-bottom: 32px;
-}
-.login-logo {
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-  justify-content: center;
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-}
-.login-logo-icon {
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-}
-.login-logo-text {
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-  font-weight: 700;
-  background: linear-gradient(135deg, #7dd3fc, #38bdf8, #0ea5e9);
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-  letter-spacing: -0.02em;
-}
-.login-subtitle {
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-.login-form .form-group {
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-}
-.login-form .form-group label {
-  display: block;
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-  font-weight: 500;
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-  margin-bottom: 6px;
-}
-.login-form input[type="text"],
-.login-form input[type="password"] {
-  width: 100%;
-  padding: 12px 14px;
-  border: 1px solid rgba(255, 255, 255, 0.1);
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-  background: rgba(255, 255, 255, 0.06);
-  color: #e2e8f0;
-  font-size: 0.92rem;
-  font-family: inherit;
-  outline: none;
-  transition:
-    border-color 200ms,
-    box-shadow 200ms;
-  box-sizing: border-box;
-}
-.login-form input:focus {
-  border-color: #818cf8;
-  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
-}
-.login-form input::placeholder {
-  color: rgba(255, 255, 255, 0.25);
-}
-.password-input-wrapper {
-  position: relative;
-}
-.password-toggle {
-  position: absolute;
-  right: 10px;
-  top: 50%;
-  transform: translateY(-50%);
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-  border: none;
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-  font-size: 1rem;
-  opacity: 0.5;
-  transition: opacity 150ms;
-  padding: 4px;
-}
-.password-toggle:hover {
-  opacity: 0.9;
-}
-.form-group--inline {
-  display: flex;
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-}
-.checkbox-label {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  cursor: pointer;
-  font-size: 0.82rem;
-  color: rgba(255, 255, 255, 0.5);
-}
-.checkbox-label input[type="checkbox"] {
-  accent-color: #818cf8;
-  width: 15px;
-  height: 15px;
-}
-.login-error {
-  padding: 10px 14px;
-  border-radius: 8px;
-  background: rgba(239, 68, 68, 0.12);
-  border: 1px solid rgba(239, 68, 68, 0.3);
-  color: #fca5a5;
-  font-size: 0.82rem;
-  margin-bottom: 16px;
-}
-.btn-login {
-  width: 100%;
-  padding: 13px 24px;
-  border: none;
-  border-radius: 10px;
-  background: linear-gradient(135deg, #3b82f6, #2563eb);
-  color: #fff;
-  font-size: 0.95rem;
-  font-weight: 600;
-  cursor: pointer;
-  transition:
-    opacity 200ms,
-    transform 100ms;
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-  gap: 8px;
-  font-family: inherit;
-}
-.btn-login:hover:not(:disabled) {
-  opacity: 0.92;
-}
-.btn-login:active:not(:disabled) {
-  transform: scale(0.98);
-}
-.btn-login:disabled {
-  opacity: 0.6;
-  cursor: not-allowed;
-}
-.btn-spinner {
-  font-size: 1rem;
-}
-
-/* Light theme login */
-[data-theme="light"] .login-screen {
-  background: linear-gradient(135deg, #dbeafe, #eff6ff, #bfdbfe);
-}
-[data-theme="light"] .login-card {
-  background: rgba(255, 255, 255, 0.9);
-  border: 1px solid rgba(0, 0, 0, 0.08);
-  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
-}
-[data-theme="light"] .login-subtitle {
-  color: rgba(0, 0, 0, 0.45);
-}
-[data-theme="light"] .login-form .form-group label {
-  color: rgba(0, 0, 0, 0.6);
-}
-[data-theme="light"] .login-form input[type="text"],
-[data-theme="light"] .login-form input[type="password"] {
-  background: rgba(0, 0, 0, 0.04);
-  border-color: rgba(0, 0, 0, 0.12);
-  color: #1e293b;
-}
-[data-theme="light"] .login-form input::placeholder {
-  color: rgba(0, 0, 0, 0.3);
-}
-[data-theme="light"] .checkbox-label {
-  color: rgba(0, 0, 0, 0.5);
-}
-[data-theme="light"] .login-error {
-  background: rgba(239, 68, 68, 0.08);
-  color: #dc2626;
-}
-
-/* ---------------------------------------------------------------------------
-   User Menu (header)
-   --------------------------------------------------------------------------- */
-.user-menu {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-.user-display-name {
-  font-size: 0.8rem;
-  color: var(--text-secondary);
-  font-weight: 500;
-  max-width: 120px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-.user-menu-link,
-.btn-logout {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  background: none;
-  border: none;
-  color: var(--text-muted);
-  cursor: pointer;
-  padding: 4px;
-  border-radius: 4px;
-  transition:
-    color 150ms,
-    background 150ms;
-}
-.user-menu-link:hover,
-.btn-logout:hover {
-  color: var(--text-primary);
-  background: var(--bg-hover);
-}
-.btn-logout:hover {
-  color: var(--danger);
-}
-
-/* ---------------------------------------------------------------------------
-   Admin Panel
-   --------------------------------------------------------------------------- */
-.admin-toolbar {
-  padding: 16px;
-  display: flex;
-  justify-content: flex-end;
-}
-.admin-users-list {
-  padding: 0 16px 16px;
-}
-.admin-table {
-  width: 100%;
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-  font-size: 0.82rem;
-}
-.admin-table th,
-.admin-table td {
-  padding: 10px 12px;
-  text-align: left;
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-}
-.admin-table th {
-  font-size: 0.72rem;
-  text-transform: uppercase;
-  letter-spacing: 0.05em;
-  color: var(--text-muted);
-  font-weight: 600;
-  background: var(--bg-primary);
-  position: sticky;
-  top: 0;
-}
-.admin-table td {
-  color: var(--text-primary);
-}
-.admin-role-badge {
-  display: inline-block;
-  padding: 2px 10px;
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-  letter-spacing: 0.03em;
-}
-.admin-role-admin {
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-  color: #3b82f6;
-}
-.admin-role-user {
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-  color: #22c55e;
-}
-.admin-vaults-text {
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-  color: var(--text-secondary);
-}
-.admin-actions {
-  white-space: nowrap;
-}
-.admin-action-btn {
-  background: none;
-  border: none;
-  cursor: pointer;
-  padding: 4px 6px;
-  border-radius: 4px;
-  font-size: 0.9rem;
-  transition: background 150ms;
-}
-.admin-action-btn:hover {
-  background: var(--bg-hover);
-}
-.admin-action-btn.danger:hover {
-  background: rgba(239, 68, 68, 0.12);
-}
-
-/* Admin form overlay */
-.admin-form-overlay {
-  position: absolute;
-  inset: 0;
-  background: rgba(0, 0, 0, 0.6);
-  display: flex;
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-  justify-content: center;
-  z-index: 10;
-  backdrop-filter: blur(4px);
-}
-.admin-form-card {
-  background: var(--bg-secondary);
-  border: 1px solid var(--border);
-  border-radius: 12px;
-  padding: 28px 24px;
-  width: 440px;
-  max-width: 90vw;
-  max-height: 80vh;
-  overflow-y: auto;
-  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
-}
-.admin-form-card h3 {
-  margin: 0 0 20px;
-  font-size: 1.05rem;
-  color: var(--text-primary);
-}
-.admin-form-card .form-group {
-  margin-bottom: 16px;
-}
-.admin-form-card .form-group label {
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-  font-size: 0.82rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  margin-bottom: 6px;
-}
-.admin-form-card input[type="text"],
-.admin-form-card input[type="password"],
-.admin-form-card select {
-  width: 100%;
-  padding: 10px 12px;
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  background: var(--bg-primary);
-  color: var(--text-primary);
-  font-size: 0.88rem;
-  font-family: inherit;
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-  transition: border-color 200ms;
-  box-sizing: border-box;
-}
-.admin-form-card input:focus,
-.admin-form-card select:focus {
-  border-color: var(--accent);
-}
-.admin-vault-list {
-  display: flex;
-  flex-direction: column;
-  gap: 6px;
-  max-height: 160px;
-  overflow-y: auto;
-  padding: 8px;
-  background: var(--bg-primary);
-  border: 1px solid var(--border);
-  border-radius: 8px;
-}
-.admin-vault-list .checkbox-label {
-  color: var(--text-primary);
-  font-size: 0.82rem;
-}
-.admin-form-actions {
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-  gap: 8px;
-  margin-top: 20px;
-}
-
-/* ---------------------------------------------------------------------------
-   Popup Mode (Nouvelle fenêtre)
-   --------------------------------------------------------------------------- */
-body.popup-mode .top-nav,
-body.popup-mode .sidebar,
-body.popup-mode .resizer,
-body.popup-mode .content-header {
-  display: none !important;
-}
-body.popup-mode .main-layout {
-  height: 100vh;
-}
-body.popup-mode .content-area {
-  margin: 15px auto;
-  padding: 30px;
-  border: 1px solid var(--border);
-  border-radius: 12px;
-  height: calc(100vh - 30px);
-  max-width: 1000px;
-  overflow-y: auto;
-  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
-  box-sizing: border-box;
-}
-
-/* ---------------------------------------------------------------------------
-   Recent Tab Styles
-   --------------------------------------------------------------------------- */
-
-/* Liste récente */
-.recent-list {
-  display: flex;
-  flex-direction: column;
-  gap: 2px;
-  padding: 4px 0;
-}
-
-/* Item */
-.recent-item {
-  padding: 10px 12px;
-  border-radius: 6px;
-  cursor: pointer;
-  border-left: 3px solid transparent;
-  transition:
-    background 0.15s,
-    border-color 0.15s;
-}
-.recent-item:hover {
-  background: var(--bg-secondary);
-  border-left-color: var(--accent);
-}
-.recent-item.active {
-  border-left-color: var(--accent);
-  background: var(--bg-secondary);
-}
-
-/* Header: temps + badge vault */
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-  display: flex;
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-  align-items: center;
-  margin-bottom: 3px;
-}
-.recent-time {
-  font-size: 11px;
-  color: var(--text-muted);
-  display: flex;
-  align-items: center;
-  gap: 4px;
-}
-.recent-vault-badge {
-  font-size: 10px;
-  font-weight: 600;
-  padding: 1px 6px;
-  border-radius: 10px;
-  background: var(--accent);
-  color: #fff;
-  opacity: 0.85;
-}
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-/* Titre */
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-  font-size: 13px;
-  font-weight: 600;
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-  margin-bottom: 2px;
-}
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-/* Breadcrumb path */
-.recent-item-path {
-  font-size: 11px;
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-  margin-bottom: 4px;
-  font-family: monospace;
-}
-
-/* Preview */
-.recent-item-preview {
-  font-size: 12px;
-  color: var(--text-muted);
-  display: -webkit-box;
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-  line-clamp: 2;
-  -webkit-box-orient: vertical;
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-  margin-bottom: 5px;
-}
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-/* Tags */
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-  gap: 4px;
-}
-.recent-item-tags .tag-pill {
-  font-size: 10px;
-  padding: 1px 6px;
-  border-radius: 10px;
-  background: var(--bg-secondary);
-  color: var(--accent);
-  border: 1px solid var(--border);
-}
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-/* Filtre vault */
-.recent-filter-bar {
-  padding: 8px 12px 4px;
-}
-.recent-filter-bar select {
-  width: 100%;
-  padding: 4px 8px;
-  font-size: 12px;
-  background: var(--bg-secondary);
-  color: var(--text-primary);
-  border: 1px solid var(--border);
-  border-radius: 4px;
-  cursor: pointer;
-}
-
-/* État vide */
-.recent-empty {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  padding: 32px 16px;
-  color: var(--text-muted);
-  gap: 8px;
-  font-size: 13px;
-}
-
-/* ---------------------------------------------------------------------------
-   Find in Page
-   --------------------------------------------------------------------------- */
-
-/* Animation d'entrée */
-@keyframes slideUp {
-  from {
-    opacity: 0;
-    transform: translateY(20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-/* Barre principale */
-.find-in-page-bar {
-  position: fixed;
-  bottom: 20px;
-  right: 20px;
-  background: var(--bg-secondary);
-  border: 1px solid var(--border);
-  border-radius: 12px;
-  padding: 12px 16px;
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
-  z-index: 1000;
-  animation: slideUp 200ms ease;
-  max-width: calc(100vw - 40px);
-}
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-.find-in-page-bar[hidden] {
-  display: none;
-}
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-/* Contenu de la barre */
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-  display: flex;
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-  flex-wrap: wrap;
-}
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-/* Icône de recherche */
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-  color: var(--text-secondary);
-  flex-shrink: 0;
-}
-
-/* Input de recherche */
-#find-input {
-  flex: 1;
-  min-width: 200px;
-  padding: 6px 10px;
-  border: 1px solid var(--border);
-  border-radius: 6px;
-  background: var(--bg-primary);
-  color: var(--text-primary);
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.85rem;
-  outline: none;
-  transition: border-color 200ms ease;
-}
-
-#find-input:focus {
-  border-color: var(--accent);
-}
-
-/* Compteur d'occurrences */
-.find-counter {
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.75rem;
-  color: var(--text-secondary);
-  white-space: nowrap;
-  min-width: 90px;
-  text-align: center;
-}
-
-/* Boutons de navigation */
-.find-nav-buttons {
-  display: flex;
-  gap: 4px;
-}
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-/* Boutons génériques */
-.find-btn {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  width: 28px;
-  height: 28px;
-  border: 1px solid var(--border);
-  border-radius: 6px;
-  background: var(--bg-primary);
-  color: var(--text-secondary);
-  cursor: pointer;
-  transition: all 150ms ease;
-  padding: 0;
-  flex-shrink: 0;
-}
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-.find-btn:hover:not(:disabled) {
-  border-color: var(--accent);
-  color: var(--accent);
-  background: color-mix(in srgb, var(--accent) 10%, var(--bg-primary));
-}
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-.find-btn:disabled {
-  opacity: 0.4;
-  cursor: not-allowed;
-}
-
-/* Options */
-.find-options {
-  display: flex;
-  gap: 4px;
-  border-left: 1px solid var(--border);
-  padding-left: 10px;
-}
-
-.find-option-btn {
-  font-family: "JetBrains Mono", monospace;
-  font-size: 0.7rem;
-  font-weight: 600;
-}
-
-.find-option-btn[aria-pressed="true"] {
-  border-color: var(--accent);
-  background: color-mix(in srgb, var(--accent) 20%, var(--bg-primary));
-  color: var(--accent);
-}
-
-.find-option-text {
-  pointer-events: none;
-}
-
-/* Bouton fermer */
-.find-close {
-  border-left: 1px solid var(--border);
-  margin-left: 6px;
-}
-
-.find-close:hover {
-  background: var(--danger-bg);
-  border-color: var(--danger);
-  color: var(--danger);
-}
-
-/* Message d'erreur */
-.find-error {
-  margin-top: 8px;
-  padding: 6px 10px;
-  background: var(--danger-bg);
-  border: 1px solid var(--danger);
-  border-radius: 6px;
-  color: var(--danger);
-  font-size: 0.75rem;
-  font-family: "JetBrains Mono", monospace;
-}
-
-.find-error[hidden] {
-  display: none;
-}
-
-/* Highlights dans le contenu */
-.find-highlight {
-  background: rgba(255, 235, 59, 0.4);
-  padding: 0 2px;
-  border-radius: 2px;
-  transition: background 150ms ease;
-}
-
-[data-theme="dark"] .find-highlight {
-  background: rgba(255, 193, 7, 0.35);
-}
-
-.find-highlight-active {
-  background: rgba(255, 193, 7, 0.7);
-  box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.3);
-}
-
-[data-theme="dark"] .find-highlight-active {
-  background: rgba(255, 193, 7, 0.6);
-  box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.4);
-}
-
-/* Responsive mobile */
-@media (max-width: 768px) {
-  .find-in-page-bar {
-    bottom: 10px;
-    left: 10px;
-    right: 10px;
-    max-width: none;
-    padding: 10px 12px;
-  }
-
-  .find-in-page-content {
-    gap: 6px;
-  }
-
-  #find-input {
-    min-width: 120px;
-    font-size: 0.8rem;
-  }
-
-  .find-counter {
-    font-size: 0.7rem;
-    min-width: 80px;
-  }
-
-  .find-btn {
-    width: 32px;
-    height: 32px;
-  }
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-  .find-options {
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-  }
-}
-
-/* ===== PWA STYLES ===== */
-
-/* PWA Update Notification */
-.pwa-update-notification {
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-  z-index: 10000;
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-.pwa-update-content {
-  background: var(--accent);
-  color: white;
-  padding: 16px 20px;
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-.pwa-update-content span {
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-.pwa-update-btn {
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-  border: none;
-  padding: 8px 16px;
-  border-radius: var(--radius);
-  font-size: 0.85rem;
-  font-weight: 600;
-  cursor: pointer;
-  transition: all 0.2s ease;
-  white-space: nowrap;
-}
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-.pwa-update-btn:hover {
-  transform: translateY(-1px);
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
-}
-
-.pwa-update-dismiss {
-  background: transparent;
-  border: none;
-  color: white;
-  font-size: 1.5rem;
-  line-height: 1;
-  cursor: pointer;
-  padding: 0;
-  width: 24px;
-  height: 24px;
-  display: flex;
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-  transition: opacity 0.2s ease;
-}
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-.pwa-update-dismiss:hover {
-  opacity: 1;
-}
-
-/* PWA Install Button (optional - can be added to header) */
-#pwa-install-btn {
-  display: none;
-  background: var(--accent);
-  color: white;
-  border: none;
-  padding: 8px 16px;
-  border-radius: var(--radius);
-  font-size: 0.85rem;
-  font-weight: 600;
-  cursor: pointer;
-  transition: all 0.2s ease;
-}
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-#pwa-install-btn:hover {
-  background: var(--accent-green);
-  transform: translateY(-1px);
-}
-
-/* Animations */
-@keyframes slideInUp {
-  from {
-    transform: translateY(100%);
-    opacity: 0;
-  }
-  to {
-    transform: translateY(0);
-    opacity: 1;
-  }
-}
-
-/* Mobile responsive */
-@media (max-width: 768px) {
-  .pwa-update-notification {
-    bottom: 10px;
-    right: 10px;
-    left: 10px;
-  }
-
-  .pwa-update-content {
-    padding: 12px 16px;
-    font-size: 0.85rem;
-  }
-
-  .pwa-update-btn {
-    padding: 6px 12px;
-    font-size: 0.8rem;
-  }
-}
-
-/* ---------------------------------------------------------------------------
-   Dashboard Home - Recent Files Widget
-   --------------------------------------------------------------------------- */
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-.dashboard-home {
-  padding: 0;
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-  display: flex;
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-.dashboard-section {
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-.dashboard-header {
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-.dashboard-title-row {
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-  gap: 12px;
-  margin-bottom: 16px;
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-.dashboard-icon {
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-  height: 28px;
-  color: var(--accent);
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-.dashboard-title-row h2 {
-  font-family: "JetBrains Mono", monospace;
-  font-size: 1.4rem;
-  font-weight: 600;
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-  margin: 0;
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-.dashboard-filter-row {
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-  gap: 12px;
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-.dashboard-select {
-  padding: 6px 12px;
-  font-size: 13px;
-  background: var(--bg-secondary);
-  color: var(--text-primary);
-  border: 1px solid var(--border);
-  border-radius: 6px;
-  cursor: pointer;
-  min-width: 160px;
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-.dashboard-select:focus {
-  outline: none;
-  border-color: var(--accent);
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-.dashboard-count {
-  font-size: 12px;
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-/* Grid */
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-}
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-@media (max-width: 1200px) {
-  .dashboard-recent-grid {
-    grid-template-columns: repeat(2, 1fr);
-  }
-}
-
-@media (max-width: 768px) {
-  .dashboard-home {
-    padding: 16px;
-  }
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-  .dashboard-recent-grid {
-    grid-template-columns: 1fr;
-  }
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-  .dashboard-title-row h2 {
-    font-size: 1.2rem;
-  }
-}
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-/* Card */
-.dashboard-card {
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-  border: 1px solid var(--border);
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-  cursor: pointer;
-  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
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-  animation: fadeSlideIn 0.3s ease forwards;
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-.dashboard-card:hover {
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-  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
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-.dashboard-card:active {
-  transform: translateY(0);
-}
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-@keyframes fadeSlideIn {
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-    transform: translateY(10px);
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-  to {
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-    transform: translateY(0);
-  }
-}
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-/* Staggered animation for cards */
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-  animation-delay: 0ms;
-}
-.dashboard-card:nth-child(2) {
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-.dashboard-card:nth-child(3) {
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-.dashboard-card:nth-child(4) {
-  animation-delay: 150ms;
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-.dashboard-card:nth-child(5) {
-  animation-delay: 200ms;
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-.dashboard-card:nth-child(6) {
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-.dashboard-card:nth-child(7) {
-  animation-delay: 300ms;
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-.dashboard-card:nth-child(8) {
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-.dashboard-card:nth-child(9) {
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-/* Card header */
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-.dashboard-card-icon {
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-  height: 40px;
-  padding: 4px;
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-  border: 2px solid var(--accent);
-  border-radius: 8px;
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-.dashboard-card-icon svg {
-  width: 24px;
-  height: 24px;
-}
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-.dashboard-vault-badge {
-  font-size: 10px;
-  font-weight: 600;
-  padding: 3px 8px;
-  border-radius: 10px;
-  background: var(--bg-primary);
-  color: var(--text-secondary);
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-  margin-right: auto;
-}
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-.dashboard-card-bookmark-btn {
-  background: transparent;
-  border: none;
-  color: var(--text-muted);
-  cursor: pointer;
-  padding: 4px;
-  border-radius: 4px;
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-  justify-content: center;
-  transition: all 0.2s ease;
-}
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-.dashboard-card-bookmark-btn:hover {
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-  color: var(--accent);
-}
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-.dashboard-card-bookmark-btn.active {
-  color: var(--accent-green);
-}
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-/* Card title */
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-  font-size: 14px;
-  font-weight: 600;
-  color: var(--text-primary);
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-  overflow: hidden;
-  text-overflow: ellipsis;
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-/* Card path */
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-  color: var(--text-muted);
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-/* Card preview */
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-/* Card footer */
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-  justify-content: space-between;
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-}
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-.dashboard-card-time {
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-.dashboard-card-time svg {
-  width: 12px;
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-/* Card tags */
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-  gap: 4px;
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-.dashboard-card-tags .tag-pill {
-  font-size: 10px;
-  padding: 2px 6px;
-  border-radius: 8px;
-  background: var(--bg-tertiary);
-  color: var(--accent);
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-/* Empty state */
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-  flex-direction: column;
-  align-items: center;
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-.dashboard-recent-empty svg {
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-.dashboard-recent-empty span {
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-.dashboard-recent-empty p {
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-/* Loading skeletons */
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-.dashboard-loading.active {
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-@media (max-width: 1200px) {
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-  }
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-@media (max-width: 768px) {
-  .dashboard-loading {
-    grid-template-columns: 1fr;
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-}
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-.skeleton-card {
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-.skeleton-card::after {
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-  animation: shimmer 1.5s infinite;
-}
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-@keyframes shimmer {
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-  100% {
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-/* ===== CONTEXT MENU ===== */
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-.context-menu.active {
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-.context-menu-item {
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-.context-menu-item:hover:not(.disabled) {
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-.context-menu-item.disabled {
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-.context-menu-item .icon {
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-.context-menu-separator {
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-/* ===== INLINE RENAME ===== */
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-/* ===== VAULT READONLY BADGE ===== */
-.vault-readonly-badge {
-  display: inline-flex;
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-/* ===== OBSIGATE MODALS ===== */
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-.obsigate-modal-overlay.active {
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-.obsigate-modal {
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-.obsigate-modal-overlay.active .obsigate-modal {
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-.obsigate-modal-header {
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-.obsigate-modal-title {
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-.obsigate-modal-body {
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-.obsigate-modal-footer {
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-.modal-input {
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-.modal-input:focus {
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-.modal-input.error {
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-.modal-label {
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-.modal-hint {
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-.modal-error {
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-.modal-select {
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-.modal-select:focus {
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-.modal-btn {
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-.modal-btn:hover {
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-.modal-btn.primary {
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-.modal-btn.primary:hover {
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-.modal-btn.danger {
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-.modal-btn.danger:hover {
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-.modal-btn:disabled {
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-.modal-form-group {
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-.modal-form-group:last-child {
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-.modal-warning {
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-.modal-warning .icon {
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-/* ===== TAB BAR ===== */
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-.tab-bar[hidden] {
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-.tab-list {
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-.tab-list::-webkit-scrollbar {
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-.tab-item {
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-.tab-item:hover {
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-.tab-item.active {
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-.tab-item .tab-icon {
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-.tab-item .tab-name {
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-/* Preview tab (single-click) — italic title, slightly muted */
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-   ══════════════════════════════════════════ */
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-/* ==========================================================================
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-.bm-file-group {
-  border: 1px solid var(--border); border-radius: 6px;
-  margin-bottom: 8px; overflow: hidden;
-}
-
-.bm-file-header {
-  display: flex; align-items: center; gap: 12px;
-  padding: 8px 12px; background: var(--bg-secondary);
-  border-bottom: 1px solid var(--border);
-}
-
-.bm-file-name { font-size: 0.8rem; font-weight: 500; display: flex; align-items: center; gap: 4px; }
-.bm-file-meta { font-size: 0.7rem; color: var(--text-muted); flex: 1; }
-
-.bm-file-purge {
-  width: 28px; height: 28px; border: 1px solid var(--border); border-radius: 4px;
-  background: transparent; color: var(--text-muted); cursor: pointer;
-  display: flex; align-items: center; justify-content: center;
-}
-.bm-file-purge:hover { color: var(--danger); border-color: var(--danger); }
-
-.bm-backup-list { padding: 2px 0; }
-
-.bm-backup-item {
-  display: flex; align-items: center; gap: 12px;
-  padding: 4px 12px; font-size: 0.75rem;
-}
-.bm-backup-item:hover { background: var(--bg-secondary); }
-
-.bm-backup-date { color: var(--text-secondary); min-width: 130px; font-family: var(--font-mono); }
-.bm-backup-size { color: var(--text-muted); flex: 1; }
-
-.bm-backup-delete {
-  width: 22px; height: 22px; border: none; border-radius: 4px;
-  background: transparent; color: var(--text-muted); cursor: pointer;
-  display: flex; align-items: center; justify-content: center;
-  opacity: 0;
-}
-.bm-backup-item:hover .bm-backup-delete { opacity: 1; }
-.bm-backup-delete:hover { color: var(--danger); background: rgba(239,68,68,0.1); }
-
-.backup-footer-manage-btn {
-  background: none; border: 1px solid var(--border);
-  border-radius: 4px; color: var(--accent);
-  font-size: 0.7rem; cursor: pointer; padding: 3px 10px;
-  transition: all 150ms ease;
-}
-.backup-footer-manage-btn:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
-
-.backup-manager-empty,
-.backup-manager-error {
-  text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.85rem;
-}
-.backup-manager-error { color: var(--danger); }
-
-/* ==========================================================================
-   Mermaid.js Diagrams
-   ========================================================================== */
-
-.mermaid-container {
-  margin: 12px 0;
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  overflow: hidden;
-  background: var(--bg-secondary);
-}
-
-/* ── Header bar ── */
-.mermaid-header {
-  display: flex; align-items: center; justify-content: space-between;
-  padding: 6px 10px;
-  background: var(--bg-hover);
-  border-bottom: 1px solid var(--border);
-  min-height: 34px;
-}
-.mermaid-diagram-type {
-  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
-  font-size: 0.75rem; font-weight: 600;
-  color: var(--text-secondary);
-}
-.mermaid-header-actions {
-  display: flex; align-items: center; gap: 2px;
-}
-
-/* ── Buttons ── */
-.mermaid-btn {
-  width: 28px; height: 28px;
-  border: 1px solid transparent; border-radius: 4px;
-  background: transparent; color: var(--text-secondary);
+.about-close {
+  position: absolute; top: 12px; right: 14px;
+  background: var(--bg-hover); border: none; color: var(--text-secondary);
+  width: 30px; height: 30px; border-radius: 8px; font-size: 18px;
   cursor: pointer; display: flex; align-items: center; justify-content: center;
-  transition: background 0.12s, color 0.12s;
+  transition: background 0.15s, color 0.15s; z-index: 1;
 }
-.mermaid-btn:hover { background: var(--bg-primary); color: var(--accent); border-color: var(--border); }
-
-/* ── Code / Preview toggle ── */
-.mermaid-toggle {
-  display: flex; margin-left: 8px;
-  border: 1px solid var(--border); border-radius: 5px;
-  overflow: hidden;
+.about-close:hover { background: var(--danger-bg); color: var(--danger); }
+.about-hero {
+  text-align: center; padding: 36px 24px 28px;
+  background: linear-gradient(160deg, var(--accent-bg) 0%, transparent 60%);
+  border-bottom: 1px solid var(--border);
 }
-.mermaid-toggle-btn {
-  padding: 2px 10px; font-size: 0.7rem; font-weight: 500;
-  border: none; background: transparent;
-  color: var(--text-muted, #999); cursor: pointer;
-  transition: background 0.12s, color 0.12s;
+.about-logo { margin-bottom: 14px; display: inline-block; }
+.about-title {
+  font-size: 1.6rem; font-weight: 700; color: var(--text-primary);
+  letter-spacing: -0.5px; margin-bottom: 6px;
 }
-.mermaid-toggle-btn.active {
-  background: var(--bg-primary); color: var(--text-primary);
-  box-shadow: 0 0 0 1px var(--border);
+.about-tagline {
+  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5;
+  margin-bottom: 10px;
 }
-.mermaid-toggle-btn:first-child { border-right: 1px solid var(--border); }
-
-/* ── Body ── */
-.mermaid-body {
-  position: relative;
+.about-version {
+  display: inline-block; padding: 3px 12px;
+  background: var(--accent); color: #fff;
+  font-size: 0.7rem; font-weight: 600; font-family: var(--mono);
+  border-radius: 20px; letter-spacing: 0.5px;
 }
-.mermaid-rendered {
-  padding: 16px;
-  overflow: hidden;
-  min-height: 80px;
-  display: flex;
-  justify-content: center;
+.about-body { padding: 20px 24px 24px; }
+.about-stats {
+  display: flex; gap: 0; justify-content: center;
+  margin-bottom: 20px;
 }
-.mermaid-rendered svg { max-width: 100%; height: auto; }
-
-.mermaid-source { padding: 16px; overflow: auto; }
-.mermaid-source pre {
-  margin: 0; padding: 12px;
-  background: var(--code-bg);
-  border-radius: 4px;
-  font-size: 0.78rem; line-height: 1.5;
-  color: var(--text-primary);
+.about-stat {
+  flex: 1; text-align: center; padding: 12px 8px;
+  border-right: 1px solid var(--border);
 }
-
-/* ── Error ── */
-.mermaid-error {
-  margin: 12px 0; padding: 12px 16px;
-  border: 1px solid rgba(239,68,68,0.3); border-radius: 6px;
-  background: rgba(239,68,68,0.08); color: var(--danger);
-  font-size: 0.8rem; line-height: 1.5;
+.about-stat:last-child { border-right: none; }
+.about-stat-value {
+  display: block; font-size: 1.5rem; font-weight: 700;
+  color: var(--accent); font-family: var(--mono);
 }
-.mermaid-error strong { display: block; margin-bottom: 4px; }
-
-/* ── Fullscreen ── */
-.mermaid-fullscreen-overlay {
-  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
-  z-index: 10000;
-  display: flex; flex-direction: column;
+.about-stat-label {
+  font-size: 0.65rem; color: var(--text-muted);
+  text-transform: uppercase; letter-spacing: 0.6px; margin-top: 2px;
 }
-/* Light theme — clean white like the example */
-[data-theme="light"] .mermaid-fullscreen-overlay {
-  background: rgba(255,255,255,0.97);
+.about-stack { margin-bottom: 18px; }
+.about-stack h3 {
+  font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase;
+  letter-spacing: 0.8px; margin-bottom: 10px;
 }
-[data-theme="light"] .mermaid-fullscreen-header {
-  background: rgba(0,0,0,0.03);
-  border-bottom: 1px solid rgba(0,0,0,0.08);
+.about-stack-grid {
+  display: flex; flex-wrap: wrap; gap: 6px;
 }
-[data-theme="light"] .mermaid-fullscreen-header .mermaid-diagram-type {
-  color: rgba(0,0,0,0.5);
+.about-stack-badge {
+  padding: 3px 10px; font-size: 0.68rem;
+  background: var(--bg-hover); color: var(--text-secondary);
+  border: 1px solid var(--border); border-radius: 6px;
+  font-family: var(--mono);
 }
-[data-theme="light"] .mermaid-fullscreen-header .mermaid-btn {
-  color: rgba(0,0,0,0.4);
+.about-footer { border-top: 1px solid var(--border); padding-top: 14px; }
+.about-meta {
+  display: flex; gap: 16px; font-size: 0.7rem; color: var(--text-muted);
+  margin-bottom: 10px; flex-wrap: wrap;
 }
-[data-theme="light"] .mermaid-fullscreen-header .mermaid-btn:hover {
-  background: rgba(0,0,0,0.05);
-  color: rgba(0,0,0,0.8);
+.about-meta strong { color: var(--text-secondary); font-family: var(--mono); font-size: 0.68rem; }
+.about-joke {
+  font-size: 0.7rem; color: var(--text-muted); font-style: italic;
+  margin-bottom: 8px; opacity: 0.7;
 }
-
-/* Dark theme */
-[data-theme="dark"] .mermaid-fullscreen-overlay {
-  background: rgba(18,18,24,0.97);
-}
-[data-theme="dark"] .mermaid-fullscreen-header {
-  background: rgba(255,255,255,0.06);
-  border-bottom: 1px solid rgba(255,255,255,0.08);
-}
-[data-theme="dark"] .mermaid-fullscreen-header .mermaid-diagram-type {
-  color: rgba(255,255,255,0.7);
-}
-[data-theme="dark"] .mermaid-fullscreen-header .mermaid-btn {
-  color: rgba(255,255,255,0.6);
-}
-[data-theme="dark"] .mermaid-fullscreen-header .mermaid-btn:hover {
-  background: rgba(255,255,255,0.1);
-  color: #fff;
-}
-
-.mermaid-fullscreen-header {
-  display: flex; align-items: center; justify-content: space-between;
-  padding: 10px 16px;
-  min-height: 46px;
-  flex-shrink: 0;
-}
-.mermaid-fullscreen-content {
-  flex: 1;
-  display: flex; align-items: center; justify-content: center;
-  padding: 16px;
-  overflow: hidden;
-}
-.mermaid-fullscreen-content svg {
-  width: 100%; height: 100%;
-  max-width: 100%; max-height: 100%;
-}
-
-/* ── Dark mode overrides for beta diagrams that ignore themeVariables ── */
-
-/* packet-beta */
-[data-theme="dark"] .mermaid-rendered svg .row rect,
-[data-theme="dark"] .mermaid-rendered svg g[id*="packet"] rect {
-  fill: #1e3a5f !important;
-  stroke: #4a7ab5 !important;
-}
-[data-theme="dark"] .mermaid-rendered svg .row text,
-[data-theme="dark"] .mermaid-rendered svg g[id*="packet"] text {
-  fill: #c8daf0 !important;
-}
-[data-theme="dark"] .mermaid-fullscreen-content svg .row rect,
-[data-theme="dark"] .mermaid-fullscreen-content svg g[id*="packet"] rect {
-  fill: #1e3a5f !important;
-  stroke: #4a7ab5 !important;
-}
-[data-theme="dark"] .mermaid-fullscreen-content svg .row text,
-[data-theme="dark"] .mermaid-fullscreen-content svg g[id*="packet"] text {
-  fill: #c8daf0 !important;
-}
-
-/* xychart-beta — bar fills and line color */
-[data-theme="dark"] .mermaid-rendered svg rect[class*="plot"],
-[data-theme="dark"] .mermaid-rendered svg rect[id*="bar"] {
-  fill: #1e3a5f !important;
-  stroke: #4a7ab5 !important;
-}
-[data-theme="dark"] .mermaid-rendered svg path[class*="plot"],
-[data-theme="dark"] .mermaid-rendered svg path[id*="line"] {
-  stroke: #6a9ad0 !important;
-}
-[data-theme="dark"] .mermaid-fullscreen-content svg rect[class*="plot"],
-[data-theme="dark"] .mermaid-fullscreen-content svg rect[id*="bar"] {
-  fill: #1e3a5f !important;
-  stroke: #4a7ab5 !important;
-}
-[data-theme="dark"] .mermaid-fullscreen-content svg path[class*="plot"],
-[data-theme="dark"] .mermaid-fullscreen-content svg path[id*="line"] {
-  stroke: #6a9ad0 !important;
-}
-
-.mermaid-focus-panel {
-  position: fixed; top: 0; right: 0; bottom: 0; width: 480px;
-  z-index: 9998; background: var(--bg-secondary);
-  border-left: 1px solid var(--border);
-  box-shadow: -4px 0 24px rgba(0,0,0,0.3);
-  display: flex; flex-direction: column;
-}
-.mermaid-focus-header {
-  display: flex; align-items: center; justify-content: space-between;
-  padding: 10px 14px; border-bottom: 1px solid var(--border);
-  font-size: 0.85rem; font-weight: 600;
-}
-.mermaid-focus-close {
-  width: 28px; height: 28px; border: 1px solid var(--border); border-radius: 4px;
-  background: transparent; color: var(--text-muted); cursor: pointer;
-  display: flex; align-items: center; justify-content: center;
-}
-.mermaid-focus-close:hover { color: var(--accent); }
-.mermaid-focus-content { flex: 1; overflow: auto; padding: 16px; }
-
-/* Mermaid editor live preview panel */
-.mermaid-live-preview {
-  border-top: 1px solid var(--border);
-  background: var(--bg-secondary);
-  min-height: 100px; max-height: 300px;
-  overflow: auto; padding: 12px;
-}
-.mermaid-live-preview .mermaid-error { margin: 0; }
-
-/* Manager body: list + preview side panel */
-.backup-manager-body { display: flex; gap: 0; min-height: 400px; }
-
-.backup-manager-list { flex: 1; min-width: 0; }
-
-.backup-manager-preview {
-  width: 400px; flex-shrink: 0;
-  border-left: 1px solid var(--border);
-  background: var(--bg-primary);
-  display: flex; flex-direction: column;
-}
-.bm-preview-header {
-  display: flex; align-items: center; justify-content: space-between;
-  padding: 10px 14px; border-bottom: 1px solid var(--border);
-}
-.bm-preview-header h3 { margin: 0; font-size: 0.85rem; }
-.bm-preview-content {
-  flex: 1; overflow: auto; padding: 12px 14px;
-  font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.55;
-  white-space: pre-wrap; word-break: break-all;
-  color: var(--text-secondary); margin: 0;
-}
-
-/* Vault header with purge button */
-.bm-vault-header {
-  display: flex; align-items: center; gap: 12px;
-  padding: 8px 0; border-bottom: 1px solid var(--border); margin-bottom: 8px;
-}
-.bm-vault-meta { font-size: 0.7rem; color: var(--text-muted); flex: 1; }
-
-.bm-vault-purge {
-  padding: 3px 10px; border: 1px solid var(--border); border-radius: 4px;
-  background: transparent; color: var(--danger); cursor: pointer;
-  font-size: 0.7rem; display: flex; align-items: center; gap: 4px;
-  transition: all 150ms ease;
-}
-.bm-vault-purge:hover { background: rgba(239,68,68,0.08); border-color: var(--danger); }
-
-/* Backup item actions */
-.bm-backup-actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.12s; }
-.bm-backup-item:hover .bm-backup-actions { opacity: 1; }
-
-.bm-backup-preview,
-.bm-backup-restore {
-  width: 22px; height: 22px; border: none; border-radius: 4px;
-  background: transparent; color: var(--text-muted); cursor: pointer;
-  display: flex; align-items: center; justify-content: center;
-}
-.bm-backup-preview:hover { color: var(--accent); background: rgba(59,130,246,0.1); }
-.bm-backup-restore:hover { color: #22c55e; background: rgba(34,197,94,0.1); }
-
-.bm-backup-item.active {
-  background: color-mix(in srgb, var(--accent) 10%, transparent);
-  border-radius: 4px;
+.about-copy {
+  font-size: 0.65rem; color: var(--text-muted); opacity: 0.5;
 }
+.about-copy code { font-family: var(--mono); font-size: 0.6rem; }