diff --git a/frontend/style.css b/frontend/style.css
index 78ddddf..37b4d34 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -1,3 +1,8310 @@
+@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;
+}
+
+/* ── 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;
+  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);
+  background: color-mix(in srgb, var(--accent) 10%, var(--bg-secondary));
+}
+
+.search-btn.active {
+  border-color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 20%, var(--bg-secondary));
+  color: var(--accent);
+}
+
+.header-menu {
+  position: relative;
+}
+
+.header-menu-btn {
+  background: transparent;
+  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
+  border-radius: 12px;
+  padding: 10px 12px;
+  cursor: pointer;
+  color: var(--text-secondary);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition:
+    color 200ms ease,
+    border-color 200ms ease,
+    background 200ms ease,
+    transform 180ms ease;
+}
+.header-menu-btn:hover {
+  color: var(--accent);
+  border-color: var(--accent);
+  transform: translateY(-1px);
+}
+.header-menu-btn.active {
+  color: var(--accent);
+  border-color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 10%, transparent);
+}
+
+.header-menu-dropdown {
+  display: none;
+  position: absolute;
+  top: calc(100% + 8px);
+  right: 0;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 16px;
+  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
+  min-width: 260px;
+  z-index: 100;
+  padding: 8px;
+}
+.header-menu-dropdown.active {
+  display: block;
+}
+
+.menu-list {
+  display: flex;
+  flex-direction: column;
+}
+
+.menu-list-row {
+  width: 100%;
+  display: grid;
+  grid-template-columns: 28px minmax(0, 1fr);
+  align-items: center;
+  gap: 8px;
+  padding: 4px 8px;
+  border-radius: 6px;
+  text-align: left;
+}
+
+.menu-list-button {
+  border: none;
+  background: transparent;
+  cursor: pointer;
+  transition:
+    background 160ms ease,
+    color 160ms ease;
+}
+
+.menu-list-button:hover,
+.menu-list-select-row:hover {
+  background: var(--bg-hover);
+}
+
+.menu-list-button + .menu-list-button,
+.menu-list-select-row + .menu-list-button {
+  margin-top: 2px;
+}
+
+.menu-list-icon {
+  width: 18px;
+  height: 18px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  color: var(--accent);
+}
+
+.menu-list-content {
+  display: flex;
+  flex-direction: column;
+  gap: 1px;
+  min-width: 0;
+}
+
+.menu-list-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.menu-list-subtitle {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+}
+
+.menu-select {
+  width: 100%;
+  padding: 4px 22px 4px 0;
+  border: none;
+  border-radius: 0;
+  background: inherit;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.78rem;
+  font-weight: 500;
+  outline: none;
+  cursor: pointer;
+  transition: color 160ms ease;
+  color-scheme: dark;
+  background-color: transparent;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+}
+
+.menu-select option {
+  background-color: var(--bg-secondary);
+  color: var(--text-primary);
+}
+
+[data-theme="dark"] .menu-select,
+[data-theme="dark"] .menu-select option {
+  background-color: #1e1e1e;
+  color: #e0e0e0;
+}
+.menu-select:hover,
+.menu-select:focus {
+  color: var(--accent);
+}
+
+.menu-list-select {
+  margin-top: 1px;
+}
+
+/* Force dark mode on all select elements */
+select {
+  color-scheme: dark;
+}
+
+[data-theme="dark"] select,
+[data-theme="dark"] select option {
+  background-color: #161b22 !important;
+  color: #e6edf3 !important;
+}
+
+[data-theme="light"] select,
+[data-theme="light"] select option {
+  background-color: #f6f8fa !important;
+  color: #1f2328 !important;
+}
+
+/* Custom Dropdown Styles */
+.custom-dropdown {
+  position: relative;
+  width: 100%;
+}
+
+.custom-dropdown-trigger {
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  padding: 8px 12px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition:
+    border-color 200ms ease,
+    background 200ms ease;
+}
+
+.custom-dropdown-trigger:hover {
+  border-color: var(--accent);
+  background: var(--bg-hover);
+}
+
+.custom-dropdown-trigger[aria-expanded="true"] {
+  border-color: var(--accent);
+}
+
+.custom-dropdown-selected {
+  flex: 1;
+  text-align: left;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.custom-dropdown-menu {
+  display: none;
+  position: absolute;
+  top: calc(100% + 4px);
+  left: 0;
+  right: 0;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
+  max-height: 240px;
+  overflow-y: auto;
+  z-index: 1000;
+  list-style: none;
+  padding: 3px;
+  margin: 0;
+}
+
+.custom-dropdown.open .custom-dropdown-menu {
+  display: block;
+}
+
+.custom-dropdown-option {
+  padding: 6px 10px;
+  border-radius: 4px;
+  cursor: pointer;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  color: var(--text-primary);
+  transition:
+    background 150ms ease,
+    color 150ms ease;
+}
+
+.custom-dropdown-option:hover,
+.custom-dropdown-option:focus {
+  background: var(--bg-hover);
+  color: var(--accent);
+}
+
+.custom-dropdown-option.selected {
+  background: color-mix(in srgb, var(--accent) 15%, transparent);
+  color: var(--accent);
+}
+
+/* Sidebar dropdown specific */
+.sidebar-dropdown {
+  padding: 0 16px 12px;
+  position: relative;
+}
+
+.sidebar-dropdown .custom-dropdown-menu {
+  position: fixed;
+  z-index: 10000;
+  left: auto;
+  right: auto;
+  width: auto;
+  min-width: 200px;
+}
+
+.sidebar-dropdown .custom-dropdown-trigger {
+  background: var(--bg-sidebar);
+}
+
+/* Menu list dropdown specific */
+.menu-list-select-row .custom-dropdown {
+  margin-top: 4px;
+}
+
+.menu-list-select-row .custom-dropdown-trigger {
+  padding: 6px 10px;
+  font-size: 0.78rem;
+  background: var(--bg-primary);
+}
+
+.main-body {
+  display: flex;
+  flex: 1;
+  overflow: hidden;
+  position: relative;
+}
+
+/* --- Mobile overlay --- */
+.sidebar-overlay {
+  display: none;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: var(--overlay-bg);
+  z-index: 199;
+}
+.sidebar-overlay.active {
+  display: block;
+}
+
+/* --- Sidebar --- */
+.sidebar {
+  width: 280px;
+  min-width: 200px;
+  max-width: 500px;
+  background: var(--bg-sidebar);
+  border-right: 1px solid var(--border);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  transition:
+    background 200ms ease,
+    transform 300ms ease;
+  flex-shrink: 0;
+}
+
+.sidebar.hidden {
+  transform: translateX(-100%);
+  width: 0;
+  min-width: 0;
+  border-right: none;
+}
+
+/* --- Sidebar filter --- */
+.sidebar-filter {
+  padding: 10px 12px;
+  border-bottom: 1px solid var(--border);
+  position: relative;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+}
+
+.sidebar-filter-input-wrapper {
+  position: relative;
+  flex: 1;
+  display: flex;
+  align-items: center;
+}
+
+.sidebar-filter-input-wrapper input {
+  width: 100%;
+  padding: 6px 10px 6px 32px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--search-bg);
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.78rem;
+  outline: none;
+  transition: border-color 200ms ease;
+}
+
+.sidebar-filter-input-wrapper input:focus {
+  border-color: var(--accent);
+}
+
+.sidebar-filter-icon {
+  position: absolute;
+  left: 10px;
+  top: 50%;
+  transform: translateY(-50%);
+  color: var(--text-muted);
+  pointer-events: none;
+  z-index: 1;
+}
+
+.sidebar-filter-actions {
+  position: absolute;
+  right: 4px;
+  top: 50%;
+  transform: translateY(-50%);
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.sidebar-filter-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 24px;
+  height: 24px;
+  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: 0.65rem;
+  font-weight: 600;
+  transition: all 150ms ease;
+  padding: 0;
+  flex-shrink: 0;
+}
+
+.sidebar-filter-btn:hover {
+  border-color: var(--accent);
+  color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 10%, var(--bg-secondary));
+}
+
+.sidebar-filter-btn.active {
+  border-color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 20%, var(--bg-secondary));
+  color: var(--accent);
+}
+
+/* --- Sidebar tabs --- */
+.sidebar-tabs {
+  display: flex;
+  flex-shrink: 0;
+  border-bottom: 1px solid var(--border);
+  padding: 0 8px;
+  gap: 2px;
+  background: var(--bg-sidebar);
+}
+
+.sidebar-tab {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 8px 4px 6px;
+  border: none;
+  border-bottom: 2px solid transparent;
+  background: transparent;
+  color: var(--text-muted);
+  cursor: pointer;
+  transition: color 150ms ease, border-color 150ms ease;
+  margin-bottom: -1px;
+}
+
+.sidebar-tab:hover {
+  color: var(--text-primary);
+}
+
+.sidebar-tab.active {
+  color: var(--accent);
+  border-bottom-color: var(--accent);
+}
+
+.sidebar-tab .icon {
+  flex-shrink: 0;
+  color: inherit;
+}
+
+/* --- Sidebar tab panels --- */
+.sidebar-tab-panel {
+  display: none;
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow-y: auto;
+  scroll-behavior: smooth;
+  flex-direction: column;
+}
+
+.sidebar-tab-panel.active {
+  display: flex;
+  flex-direction: column;
+}
+
+.sidebar-tab-panel::-webkit-scrollbar {
+  width: 6px;
+}
+.sidebar-tab-panel::-webkit-scrollbar-thumb {
+  background: var(--scrollbar);
+  border-radius: 3px;
+}
+
+#sidebar-panel-vaults .sidebar-dropdown {
+  padding: 10px 12px 6px;
+}
+
+.tree-item {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 5px 16px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-secondary);
+  cursor: pointer;
+  border-radius: 0;
+  transition:
+    background 120ms ease,
+    color 120ms ease;
+  white-space: nowrap;
+  min-width: 0; /* Allow flex item to shrink */
+}
+
+.tree-item > .tree-item-text {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  min-width: 0;
+}
+.tree-item:hover {
+  background: var(--bg-hover);
+  color: var(--text-primary);
+}
+.tree-item > .badge-small {
+  margin-left: 4px;
+}
+.tree-item.active {
+  background: var(--bg-hover);
+  color: var(--accent);
+}
+.tree-item.focused {
+  background: color-mix(in srgb, var(--accent) 12%, transparent);
+  color: var(--text-primary);
+  box-shadow: inset 2px 0 0 var(--accent);
+}
+.tree-item.path-selected {
+  background: color-mix(in srgb, var(--accent) 20%, transparent);
+  color: var(--accent);
+  box-shadow:
+    inset 0 0 0 2px var(--accent),
+    inset 2px 0 0 var(--accent);
+  border-radius: 6px;
+  animation: pathPulse 1.5s ease-out;
+}
+@keyframes pathPulse {
+  0% {
+    background: color-mix(in srgb, var(--accent) 40%, transparent);
+  }
+  100% {
+    background: color-mix(in srgb, var(--accent) 20%, transparent);
+  }
+}
+.tree-item.filtered-out {
+  display: none;
+}
+
+.tree-item .icon {
+  width: 16px;
+  height: 16px;
+  flex-shrink: 0;
+  color: var(--accent);
+}
+.tree-item.active .icon {
+  color: var(--accent);
+}
+.tree-item.vault-item .icon {
+  color: var(--accent);
+}
+
+.tree-item-action-btn {
+  margin-left: auto;
+  width: 24px;
+  height: 24px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--accent);
+  cursor: pointer;
+  opacity: 1;
+  pointer-events: auto;
+  transition:
+    opacity 140ms ease,
+    color 140ms ease,
+    background 140ms ease,
+    border-color 140ms ease;
+  flex-shrink: 0;
+  z-index: 1;
+}
+
+.tree-item-action-btn:hover,
+.tree-item-action-btn:focus-visible {
+  background: color-mix(in srgb, var(--accent) 10%, transparent);
+  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
+  color: var(--accent);
+  outline: none;
+}
+
+/* ---------------------------------------------------------------------------
+   Drag & Drop — tree items
+   --------------------------------------------------------------------------- */
+
+/* Source item being dragged */
+.tree-item.drag-source {
+  opacity: 0.35;
+  outline: 1px dashed var(--border);
+}
+
+/* Valid drop targets during drag — subtle pulse indicator */
+.tree-item.drag-valid-target {
+  outline: 1px dashed color-mix(in srgb, var(--accent) 30%, transparent);
+  outline-offset: -1px;
+}
+
+/* Active drop target (hovering over) */
+.tree-item.drag-over {
+  background: color-mix(in srgb, var(--accent) 18%, transparent) !important;
+  outline: 2px solid var(--accent);
+  outline-offset: -2px;
+  border-radius: 4px;
+}
+
+/* Vault item as drop target */
+.tree-item.vault-item.drag-over {
+  background: color-mix(in srgb, var(--accent) 15%, transparent) !important;
+  outline: 2px solid var(--accent);
+  outline-offset: -2px;
+}
+
+.tree-children {
+  padding-left: 16px;
+  overflow: hidden;
+}
+
+.tree-children.collapsed {
+  display: none;
+}
+.tree-children.filtered-out {
+  display: none;
+}
+
+.filter-results-header {
+  margin-top: 8px;
+}
+
+.filter-results-group {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding: 4px 0 10px 12px;
+}
+
+.filter-result-item {
+  align-items: flex-start;
+  white-space: normal;
+  overflow: visible;
+  border-radius: 6px;
+}
+
+.filter-result-text {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  white-space: normal;
+}
+
+.filter-result-primary {
+  color: var(--text-primary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.filter-result-secondary {
+  color: var(--text-muted);
+  font-size: 0.75rem;
+  word-break: break-all;
+  opacity: 0.8;
+}
+
+.sidebar-filter-empty {
+  padding: 12px 16px;
+  color: var(--text-muted);
+  font-size: 0.85rem;
+}
+
+.filter-highlight {
+  background: color-mix(in srgb, var(--accent) 22%, transparent);
+  color: var(--accent);
+  padding: 0 2px;
+  border-radius: 4px;
+}
+
+/* --- Tag Cloud --- */
+.tag-cloud {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  padding: 14px 16px 16px;
+  align-content: flex-start;
+}
+
+.tag-item {
+  display: inline-block;
+  padding: 2px 8px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 4px;
+  font-family: "JetBrains Mono", monospace;
+  cursor: pointer;
+  transition: opacity 150ms ease;
+  line-height: 1.4;
+}
+.tag-item:hover {
+  opacity: 0.8;
+}
+.tag-item.filtered-out {
+  display: none;
+}
+
+/* --- Sidebar resize handle (horizontal) --- */
+.sidebar-resize-handle {
+  width: 5px;
+  cursor: ew-resize;
+  background: transparent;
+  flex-shrink: 0;
+  transition:
+    background 150ms ease,
+    opacity 300ms ease;
+  z-index: 10;
+}
+.sidebar-resize-handle:hover,
+.sidebar-resize-handle.active {
+  background: var(--accent);
+  opacity: 0.5;
+}
+.sidebar-resize-handle.hidden {
+  width: 0;
+  opacity: 0;
+  pointer-events: none;
+}
+
+/* --- Content Wrapper (tabs + content) --- */
+.content-wrapper {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+  overflow: hidden;
+}
+
+/* --- Content Area --- */
+.content-area {
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
+  padding: clamp(16px, 3vw, 40px) clamp(16px, 4vw, 40px) 60px;
+  transition:
+    background 200ms ease,
+    margin 300ms ease;
+  min-width: 0;
+}
+
+/* Center content when sidebar is hidden */
+.sidebar.hidden ~ .content-wrapper .content-area {
+  margin: 0 auto;
+  max-width: 1200px;
+}
+.content-area::-webkit-scrollbar {
+  width: 8px;
+}
+.content-area::-webkit-scrollbar-thumb {
+  background: var(--scrollbar);
+  border-radius: 4px;
+}
+
+/* --- Right Sidebar Resize Handle --- */
+.right-sidebar-resize-handle {
+  width: 5px;
+  cursor: ew-resize;
+  background: transparent;
+  flex-shrink: 0;
+  transition:
+    background 150ms ease,
+    opacity 300ms ease;
+  z-index: 10;
+}
+.right-sidebar-resize-handle:hover,
+.right-sidebar-resize-handle.active {
+  background: var(--accent);
+  opacity: 0.5;
+}
+.right-sidebar-resize-handle.hidden {
+  width: 0;
+  opacity: 0;
+  pointer-events: none;
+}
+
+/* --- Right Sidebar (Outline/TOC) --- */
+.right-sidebar {
+  width: 280px;
+  min-width: 200px;
+  max-width: 400px;
+  background: var(--bg-sidebar);
+  border-left: 1px solid var(--border);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  transition:
+    background 200ms ease,
+    transform 300ms ease,
+    width 300ms ease;
+  flex-shrink: 0;
+}
+
+.right-sidebar.hidden {
+  transform: translateX(100%);
+  width: 0;
+  min-width: 0;
+  border-left: none;
+}
+
+/* Right sidebar header */
+.right-sidebar-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-sidebar);
+  flex-shrink: 0;
+}
+
+.right-sidebar-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.7rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+  color: var(--text-muted);
+  margin: 0;
+}
+
+.right-sidebar-toggle-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 24px;
+  height: 24px;
+  padding: 0;
+  background: transparent;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: all 150ms ease;
+}
+
+.right-sidebar-toggle-btn:hover {
+  background: var(--bg-hover);
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+.right-sidebar-toggle-btn i {
+  transition: transform 200ms ease;
+}
+
+.right-sidebar.hidden .right-sidebar-toggle-btn i {
+  transform: rotate(180deg);
+}
+
+/* Outline panel */
+.outline-panel {
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
+  padding: 8px 0;
+  min-height: 0;
+}
+
+.outline-panel::-webkit-scrollbar {
+  width: 6px;
+}
+
+.outline-panel::-webkit-scrollbar-thumb {
+  background: var(--scrollbar);
+  border-radius: 3px;
+}
+
+.outline-list {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding: 0 8px;
+}
+
+.outline-item {
+  display: flex;
+  align-items: center;
+  padding: 8px 12px;
+  border-radius: 6px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: all 150ms ease;
+  position: relative;
+  text-decoration: none;
+  line-height: 1.4;
+  word-break: break-word;
+}
+
+.outline-item:hover {
+  background: var(--bg-hover);
+  color: var(--text-primary);
+}
+
+.outline-item.active {
+  background: color-mix(in srgb, var(--accent) 12%, transparent);
+  color: var(--accent);
+  font-weight: 500;
+}
+
+.outline-item.active::before {
+  content: "";
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  width: 3px;
+  background: var(--accent);
+  border-radius: 0 2px 2px 0;
+}
+
+/* Heading levels */
+.outline-item.level-2 {
+  font-weight: 600;
+  font-size: 0.85rem;
+  padding-left: 12px;
+}
+
+.outline-item.level-3 {
+  font-weight: 400;
+  font-size: 0.8rem;
+  padding-left: 28px;
+  color: var(--text-muted);
+}
+
+.outline-item.level-3:hover {
+  color: var(--text-secondary);
+}
+
+.outline-item.level-3.active {
+  color: var(--accent);
+}
+
+/* Empty state */
+.outline-empty {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 40px 20px;
+  gap: 12px;
+  color: var(--text-muted);
+  font-size: 0.85rem;
+  text-align: center;
+}
+
+/* Reading progress */
+.reading-progress {
+  padding: 12px 16px;
+  border-top: 1px solid var(--border);
+  background: var(--bg-sidebar);
+  flex-shrink: 0;
+}
+
+.reading-progress-bar {
+  width: 100%;
+  height: 6px;
+  background: color-mix(in srgb, var(--border) 50%, transparent);
+  border-radius: 3px;
+  overflow: hidden;
+  margin-bottom: 8px;
+}
+
+.reading-progress-fill {
+  height: 100%;
+  background: var(--accent);
+  border-radius: 3px;
+  transition: width 150ms ease;
+  width: 0%;
+}
+
+.reading-progress-text {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.75rem;
+  font-weight: 600;
+  color: var(--text-muted);
+  text-align: center;
+}
+
+/* Welcome */
+.welcome {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  color: var(--text-muted);
+  text-align: center;
+  gap: 12px;
+}
+.welcome h2 {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.6rem;
+  color: var(--text-secondary);
+}
+.welcome p {
+  font-size: 0.95rem;
+  max-width: 400px;
+}
+
+/* Breadcrumb */
+.breadcrumb {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.78rem;
+  color: var(--text-muted);
+  margin-bottom: 12px;
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+.breadcrumb span {
+  cursor: pointer;
+  color: var(--text-secondary);
+  transition: color 120ms ease;
+}
+.breadcrumb span:hover {
+  color: var(--accent);
+}
+.breadcrumb .sep {
+  cursor: default;
+  color: var(--text-muted);
+}
+.breadcrumb .sep:hover {
+  color: var(--text-muted);
+}
+
+/* File header */
+.file-header {
+  margin-bottom: 20px;
+}
+.file-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.6rem;
+  font-weight: 700;
+  margin-bottom: 8px;
+}
+.file-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  margin-bottom: 6px;
+}
+.file-tag {
+  display: inline-block;
+  padding: 2px 8px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 4px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.75rem;
+  margin-right: 6px;
+  margin-bottom: 4px;
+  cursor: pointer;
+  transition:
+    opacity 150ms ease,
+    transform 100ms ease;
+}
+.file-tag:hover {
+  opacity: 0.8;
+  transform: translateY(-1px);
+}
+.file-actions {
+  margin-top: 8px;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+}
+.btn-action {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.75rem;
+  padding: 4px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition:
+    color 150ms ease,
+    border-color 150ms ease;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+}
+.btn-action:hover {
+  color: var(--accent);
+  border-color: var(--accent);
+}
+.btn-action.active {
+  color: var(--accent);
+  border-color: var(--accent);
+  background: var(--tag-bg);
+}
+
+/* ===== FRONTMATTER — ACCENT CARD ===== */
+
+/* Frontmatter section wrapper */
+.fm-section {
+  margin-bottom: 20px;
+}
+
+/* Header toggle */
+.fm-header {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.78rem;
+  color: var(--text-muted);
+  cursor: pointer;
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  margin-bottom: 12px;
+  user-select: none;
+  transition: color 150ms ease;
+}
+.fm-header:hover {
+  color: var(--text-secondary);
+}
+
+/* Chevron icon */
+.fm-chevron {
+  transition: transform 0.2s;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+.fm-chevron.open {
+  transform: rotate(0deg);
+}
+.fm-chevron.closed {
+  transform: rotate(-90deg);
+}
+
+/* Accent Card main container */
+.ac-card {
+  border: 1px solid var(--border-md);
+  border-left: 3px solid var(--accent-card);
+  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
+  background: var(--surface);
+  overflow: hidden;
+}
+
+/* ZONE 1 — Top strip */
+.ac-top {
+  padding: 12px 16px 10px;
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  flex-wrap: wrap;
+}
+.ac-title {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--text);
+  font-family: var(--mono);
+  letter-spacing: -0.01em;
+  flex-shrink: 0;
+}
+.ac-badge {
+  padding: 2px 9px;
+  border-radius: 99px;
+  font-size: 11px;
+  font-weight: 500;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+}
+.ac-badge.green {
+  background: var(--green-bg);
+  color: var(--green);
+}
+.ac-badge.blue {
+  background: var(--accent-bg);
+  color: var(--accent-text);
+}
+.ac-badge.purple {
+  background: var(--purple-bg);
+  color: var(--purple);
+}
+.ac-dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  background: currentColor;
+  opacity: 0.7;
+}
+
+/* ZONE 2 — Body 2 columns */
+.ac-body {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 0;
+}
+.ac-col {
+  padding: 12px 16px;
+}
+.ac-col + .ac-col {
+  border-left: 1px solid var(--border);
+}
+.ac-row {
+  display: flex;
+  align-items: baseline;
+  gap: 6px;
+  padding: 4px 0;
+  font-size: 12.5px;
+}
+.ac-row + .ac-row {
+  border-top: 1px solid var(--border);
+}
+.ac-k {
+  color: var(--text-3);
+  font-size: 11px;
+  font-family: var(--mono);
+  min-width: 110px;
+  flex-shrink: 0;
+}
+.ac-v {
+  color: var(--text);
+  font-weight: 500;
+  font-size: 12.5px;
+}
+.ac-v.mono {
+  font-family: var(--mono);
+  font-weight: 400;
+  color: var(--text-2);
+  font-size: 11px;
+}
+.ac-v.muted {
+  color: var(--text-3);
+  font-weight: 400;
+}
+
+/* ZONE 3 — Tags row */
+.ac-tags-row {
+  padding: 10px 16px;
+  border-top: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+.ac-tags-k {
+  font-size: 11px;
+  font-family: var(--mono);
+  color: var(--text-3);
+  flex-shrink: 0;
+}
+.ac-tags-wrap {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+.ac-tag {
+  padding: 2px 9px;
+  border-radius: 99px;
+  font-size: 11px;
+  font-weight: 500;
+  background: var(--accent-bg);
+  color: var(--accent-text);
+  border: 1px solid rgba(79, 110, 247, 0.18);
+}
+
+/* ZONE 4 — Flags row */
+.ac-flags-row {
+  padding: 9px 16px;
+  border-top: 1px solid var(--border);
+  background: var(--surface2);
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+}
+.ac-flags-k {
+  font-size: 11px;
+  font-family: var(--mono);
+  color: var(--text-3);
+  margin-right: 2px;
+}
+.flag-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 8px;
+  border-radius: var(--radius);
+  font-size: 11px;
+  font-weight: 500;
+  border: 1px solid var(--border-md);
+}
+.flag-chip.on {
+  background: var(--green-bg);
+  color: var(--green);
+  border-color: rgba(26, 127, 80, 0.2);
+}
+.flag-chip.off {
+  background: var(--surface3);
+  color: var(--text-3);
+}
+.flag-dot {
+  width: 5px;
+  height: 5px;
+  border-radius: 50%;
+  background: currentColor;
+  opacity: 0.7;
+}
+
+/* --- Raw source view --- */
+.raw-source-view {
+  background: var(--code-bg);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 16px;
+  margin-top: 12px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-secondary);
+  white-space: pre-wrap;
+  word-break: break-word;
+  overflow-x: auto;
+  line-height: 1.55;
+  max-height: 70vh;
+  overflow-y: auto;
+}
+
+/* --- Markdown Rendered Content --- */
+.md-content h1,
+.md-content h2,
+.md-content h3,
+.md-content h4,
+.md-content h5,
+.md-content h6 {
+  font-family: "JetBrains Mono", monospace;
+  font-weight: 700;
+  margin: 1.4em 0 0.5em;
+  color: var(--text-primary);
+}
+.md-content h1 {
+  font-size: 1.5rem;
+  border-bottom: 1px solid var(--border);
+  padding-bottom: 6px;
+}
+.md-content h2 {
+  font-size: 1.25rem;
+}
+.md-content h3 {
+  font-size: 1.1rem;
+}
+
+.md-content p {
+  margin: 0.6em 0;
+}
+
+.md-content ul,
+.md-content ol {
+  padding-left: 1.6em;
+  margin: 0.5em 0;
+}
+
+.md-content li {
+  margin: 0.25em 0;
+}
+
+.md-content blockquote {
+  border-left: 3px solid var(--accent);
+  padding: 4px 16px;
+  margin: 0.8em 0;
+  color: var(--text-secondary);
+  background: var(--bg-secondary);
+  border-radius: 0 6px 6px 0;
+}
+
+.md-content code {
+  font-family: "JetBrains Mono", monospace;
+  background: var(--code-bg);
+  padding: 2px 6px;
+  border-radius: 4px;
+  font-size: 0.88em;
+  border: 1px solid var(--border);
+}
+
+.md-content pre {
+  background: var(--code-bg);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 16px;
+  overflow-x: auto;
+  margin: 0.8em 0;
+}
+.md-content pre code {
+  background: none;
+  border: none;
+  padding: 0;
+  font-size: 0.85rem;
+  line-height: 1.55;
+}
+
+.md-content table {
+  width: 100%;
+  border-collapse: collapse;
+  margin: 0.8em 0;
+  font-size: 0.92rem;
+}
+.md-content th,
+.md-content td {
+  border: 1px solid var(--border);
+  padding: 8px 12px;
+  text-align: left;
+}
+.md-content th {
+  background: var(--bg-secondary);
+  font-family: "JetBrains Mono", monospace;
+  font-weight: 600;
+  font-size: 0.85rem;
+}
+
+.md-content img {
+  max-width: 100%;
+  border-radius: 8px;
+  margin: 0.6em 0;
+}
+
+.md-content hr {
+  border: none;
+  border-top: 1px solid var(--border);
+  margin: 1.5em 0;
+}
+
+.md-content .task-list-item {
+  list-style: none;
+  margin-left: -1.2em;
+}
+.md-content .task-list-item input[type="checkbox"] {
+  margin-right: 6px;
+}
+
+/* Wikilinks */
+.wikilink {
+  color: var(--accent);
+  border-bottom: 1px dashed var(--accent);
+  cursor: pointer;
+}
+.wikilink:hover {
+  opacity: 0.8;
+}
+.wikilink-missing {
+  color: var(--text-muted);
+  border-bottom: 1px dashed var(--text-muted);
+  cursor: default;
+}
+
+/* Image placeholders */
+.image-not-found {
+  display: inline-block;
+  padding: 8px 12px;
+  background: var(--danger-bg);
+  color: var(--danger);
+  border: 1px dashed var(--danger);
+  border-radius: 4px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.85rem;
+  cursor: help;
+}
+
+/* Markdown images */
+.file-content img {
+  max-width: 100%;
+  height: auto;
+  display: block;
+  margin: 16px 0;
+  border-radius: 6px;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+}
+
+.file-content a img {
+  cursor: pointer;
+  transition: opacity 0.2s ease;
+}
+
+.file-content a img:hover {
+  opacity: 0.85;
+}
+
+/* --- Search Results --- */
+.search-results {
+  padding: 0;
+}
+.search-results-header {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.85rem;
+  color: var(--text-muted);
+  margin-bottom: 16px;
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 8px;
+}
+.search-results-summary-text {
+  display: inline;
+}
+.search-results-active-tags {
+  display: inline-flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+}
+.search-results-active-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 3px 8px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 999px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.75rem;
+  line-height: 1.2;
+}
+.search-results-active-tag-remove {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 16px;
+  height: 16px;
+  border: none;
+  background: transparent;
+  color: inherit;
+  cursor: pointer;
+  padding: 0;
+}
+.search-result-item {
+  padding: 14px 16px;
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  margin-bottom: 10px;
+  cursor: pointer;
+  transition:
+    background 120ms ease,
+    border-color 120ms ease;
+  position: relative;
+}
+.search-result-item:hover {
+  background: var(--bg-hover);
+  border-color: var(--accent);
+}
+.search-result-ext {
+  position: absolute;
+  top: 8px;
+  right: 10px;
+  font-size: 0.65rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  color: var(--accent);
+  background: var(--accent-bg, rgba(99, 102, 241, 0.12));
+  padding: 2px 8px;
+  border-radius: 4px;
+  letter-spacing: 0.5px;
+  border: 1px solid rgba(99, 102, 241, 0.2);
+}
+.search-filters-row {
+  display: flex;
+  gap: 4px;
+  flex-wrap: wrap;
+  margin-top: 4px;
+}
+.search-filter-badge {
+  font-size: 0.65rem;
+  font-family: "JetBrains Mono", monospace;
+  padding: 1px 6px;
+  border-radius: 3px;
+  background: rgba(99, 102, 241, 0.1);
+  color: var(--accent);
+  font-weight: 600;
+}
+.search-filter-badge.path {
+  background: rgba(5, 150, 105, 0.1);
+  color: #059669;
+}
+
+/* Save search button */
+.search-save-btn {
+  padding: 4px 10px;
+  font-size: 0.75rem;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+.search-save-btn:hover { background: var(--bg-hover); }
+
+/* Saved searches sidebar */
+.saved-search-item {
+  position: relative;
+  padding: 10px 12px;
+  cursor: pointer;
+  border-radius: 6px;
+  transition: background 0.15s;
+  border: 1px solid transparent;
+  margin-bottom: 4px;
+}
+.saved-search-item:hover { background: var(--bg-hover); border-color: var(--border); }
+.saved-search-query {
+  font-size: 0.82rem;
+  font-family: "JetBrains Mono", monospace;
+  line-height: 1.4;
+  word-break: break-word;
+  overflow-wrap: anywhere;
+  margin-bottom: 6px;
+}
+.saved-search-meta {
+  display: flex;
+  gap: 4px;
+  align-items: center;
+  flex-wrap: wrap;
+  margin-bottom: 2px;
+}
+.saved-search-badges {
+  display: flex;
+  gap: 4px;
+  align-items: center;
+  flex-wrap: wrap;
+  flex: 1;
+  min-width: 0;
+}
+.saved-search-type-icon {
+  margin-left: auto;
+  flex-shrink: 0;
+  opacity: 0.6;
+}
+/* Saved filter bar */
+.saved-filter-bar {
+  display: flex;
+  gap: 6px;
+  padding: 8px 10px 10px;
+}
+.saved-filter-pill {
+  padding: 3px 10px;
+  font-size: 0.7rem;
+  font-weight: 500;
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: background 0.15s, color 0.15s, border-color 0.15s;
+}
+.saved-filter-pill:hover { background: var(--bg-hover); color: var(--text-primary); }
+.saved-filter-pill.active {
+  background: var(--accent-bg, rgba(99,102,241,0.12));
+  color: var(--accent);
+  border-color: var(--accent);
+}
+/* Offline indicator */
+.offline-indicator {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 2px 8px;
+  border-radius: 4px;
+  font-size: 0.7rem;
+  cursor: default;
+}
+.offline-indicator.offline {
+  background: var(--warn-bg, rgba(251,191,36,0.12));
+  color: var(--warn);
+  border: 1px solid var(--warn);
+}
+.offline-pending {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 16px;
+  height: 16px;
+  padding: 0 4px;
+  border-radius: 8px;
+  background: var(--warn);
+  color: #000;
+  font-size: 0.6rem;
+  font-weight: 700;
+}
+/* Theme picker grid */
+.theme-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
+  gap: 10px;
+  margin-top: 12px;
+}
+.theme-card {
+  background: var(--bg-secondary);
+  border: 2px solid var(--border);
+  border-radius: 8px;
+  padding: 10px;
+  cursor: pointer;
+  transition: border-color 0.2s, transform 0.15s;
+}
+.theme-card:hover { border-color: var(--accent); transform: translateY(-1px); }
+.theme-card.active { border-color: var(--accent-green); }
+.theme-card-preview {
+  height: 40px;
+  border-radius: 4px;
+  margin-bottom: 8px;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+.theme-card-preview-bar {
+  height: 14px;
+}
+.theme-card-preview-body {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  padding: 0 6px;
+}
+.theme-card-preview-btn {
+  width: 50%;
+  height: 10px;
+  border-radius: 3px;
+}
+.theme-card-name {
+  font-size: 0.75rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 2px;
+}
+.theme-card-desc {
+  font-size: 0.65rem;
+  color: var(--text-muted);
+}
+.theme-mode-toggle {
+  display: flex;
+  gap: 0;
+  margin-top: 16px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  overflow: hidden;
+  width: fit-content;
+}
+.theme-mode-btn {
+  padding: 4px 14px;
+  font-size: 0.7rem;
+  border: none;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+}
+.theme-mode-btn.active {
+  background: var(--accent);
+  color: #fff;
+}
+.saved-search-vault {
+  font-size: 0.65rem;
+  color: var(--text-muted);
+  padding: 1px 5px;
+  background: var(--bg-secondary);
+  border-radius: 3px;
+}
+.saved-search-filters {
+  font-size: 0.65rem;
+  color: var(--accent);
+  display: flex;
+  gap: 4px;
+  flex-wrap: wrap;
+}
+.saved-search-path {
+  font-size: 0.6rem;
+  color: #059669;
+  background: rgba(5,150,105,0.08);
+  padding: 1px 5px;
+  border-radius: 3px;
+  max-width: 100%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.saved-search-delete {
+  position: absolute;
+  top: 6px;
+  right: 8px;
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 0.9rem;
+  padding: 2px 6px;
+  opacity: 0;
+  transition: opacity 0.15s;
+}
+.saved-search-item:hover .saved-search-delete { opacity: 1; }
+.saved-search-delete:hover { color: var(--text-error); }
+.search-result-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.92rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 4px;
+}
+.search-result-vault {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.72rem;
+  color: var(--accent-green);
+  margin-bottom: 4px;
+}
+.search-result-snippet {
+  font-size: 0.85rem;
+  color: var(--text-secondary);
+  line-height: 1.5;
+}
+.search-result-snippet .search-highlight {
+  background: color-mix(in srgb, var(--accent) 25%, transparent);
+  color: var(--accent);
+  font-weight: 600;
+  padding: 1px 3px;
+  border-radius: 3px;
+}
+.search-result-title .search-highlight {
+  background: color-mix(in srgb, var(--accent) 25%, transparent);
+  color: var(--accent);
+  font-weight: 700;
+  padding: 1px 3px;
+  border-radius: 3px;
+}
+.search-result-tags {
+  margin-top: 6px;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+.search-result-tags .file-tag {
+  font-size: 0.7rem;
+  padding: 1px 6px;
+}
+
+/* --- Loading indicator --- */
+.loading-indicator {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 40px 20px;
+  color: var(--text-muted);
+  gap: 12px;
+}
+.loading-spinner {
+  width: 32px;
+  height: 32px;
+  border: 3px solid var(--border);
+  border-top-color: var(--accent);
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+}
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+/* --- Search progress bar --- */
+.search-progress-bar {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 3px;
+  z-index: 9999;
+  background: transparent;
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.15s;
+}
+.search-progress-bar.active {
+  opacity: 1;
+}
+.search-progress-bar .search-progress-bar__fill {
+  height: 100%;
+  background: var(--accent);
+  width: 0%;
+  animation: progress-indeterminate 1.5s ease-in-out infinite;
+}
+@keyframes progress-indeterminate {
+  0% {
+    width: 0%;
+    margin-left: 0%;
+  }
+  50% {
+    width: 40%;
+    margin-left: 30%;
+  }
+  100% {
+    width: 0%;
+    margin-left: 100%;
+  }
+}
+.search-time-badge {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+  margin-left: 8px;
+}
+
+/* --- Editor Modal --- */
+.editor-modal {
+  display: none;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 1000;
+  background: var(--overlay-bg);
+  align-items: center;
+  justify-content: center;
+  padding: 20px;
+}
+.editor-modal.active {
+  display: flex;
+}
+.help-container {
+  max-width: 1320px;
+}
+.editor-container {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  width: 100%;
+  max-width: 1200px;
+  max-height: 90vh;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
+}
+.editor-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-primary);
+  flex-shrink: 0;
+  position: sticky;
+  top: 0;
+  z-index: 10;
+}
+
+/* AI processing indicator — shown inside editor header during AI calls */
+.ai-processing-indicator {
+  display: none;
+  align-items: center;
+  gap: 6px;
+  padding: 3px 10px;
+  border-radius: 12px;
+  font-size: 0.72rem;
+  font-weight: 500;
+  color: #ffffff;
+  background: rgba(59, 130, 246, 0.3);
+  border: 1px solid rgba(96, 165, 250, 0.4);
+  animation: ai-indicator-pulse 1s ease-in-out infinite;
+  margin-left: 12px;
+}
+
+.ai-spinner {
+  width: 10px;
+  height: 10px;
+  border: 2px solid rgba(255,255,255,0.3);
+  border-top-color: #ffffff;
+  border-radius: 50%;
+  animation: ai-spinner-spin 0.6s linear infinite;
+}
+
+@keyframes ai-spinner-spin {
+  to { transform: rotate(360deg); }
+}
+
+@keyframes ai-indicator-pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.6; }
+}
+
+.editor-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  color: var(--text-primary);
+  font-weight: 600;
+}
+.editor-brand { font-weight: 700; font-size: 12px; color: var(--accent); letter-spacing: 0.5px; white-space: nowrap; margin-right: 8px; }
+.editor-title-input { flex: 1; min-width: 80px; background: transparent; border: 1px solid transparent; color: var(--text-primary); font-size: 13px; padding: 3px 6px; border-radius: 6px; outline: none; font-family: var(--font-sans); }
+.editor-title-input:hover { border-color: var(--border); }
+.editor-title-input:focus { border-color: var(--accent); background: var(--bg-input); }
+.editor-sep { color: var(--text-muted); font-size: 13px; padding: 0 2px; user-select: none; }
+.editor-filename-input { width: 140px; background: transparent; border: 1px solid transparent; color: var(--text-primary); font-size: 12px; padding: 3px 6px; border-radius: 6px; outline: none; font-family: var(--font-mono); }
+.editor-filename-input:hover { border-color: var(--border); }
+.editor-filename-input:focus { border-color: var(--ok); background: var(--bg-input); }
+.editor-spacer { flex: 1; }
+.editor-save-dot { display: flex; align-items: center; gap: 4px; font-size: 11px; padding: 0 4px; margin-right: 8px; }
+.editor-btn + .editor-btn { margin-left: 6px; }
+.editor-save-dot .dot { width: 6px; height: 6px; border-radius: 50%; }
+.editor-save-dot.ok { color: var(--ok); } .editor-save-dot.ok .dot { background: var(--ok); }
+.editor-save-dot.dirty { color: var(--warn); } .editor-save-dot.dirty .dot { background: var(--warn); }
+.editor-save-dot.saving { color: var(--ai); } .editor-save-dot.saving .dot { background: var(--ai); }
+@keyframes editor-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
+.editor-save-dot.saving { animation: editor-pulse 0.8s infinite; }
+.editor-save-dot.err { color: var(--err); } .editor-save-dot.err .dot { background: var(--err); }
+.editor-body-cm { flex: 1; overflow: auto; }
+.editor-body-cm .cm-editor { height: 100%; }
+.editor-body-cm .cm-editor .cm-scroller { font-family: var(--font-mono); font-size: 13.5px; line-height: 1.75; }
+.editor-footer { height: 26px; min-height: 26px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; background: var(--bg-secondary); border-top: 1px solid var(--border); font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
+.editor-stat-file { color: var(--text-secondary); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.editor-actions {
+  display: flex;
+  gap: 6px;
+}
+.editor-btn {
+  width: 36px;
+  height: 36px;
+  padding: 0;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: all 150ms ease;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex: 0 0 auto;
+}
+.editor-btn:hover {
+  color: var(--accent);
+  border-color: var(--accent);
+}
+.editor-btn.primary {
+  background: var(--accent);
+  color: #ffffff;
+  border-color: var(--accent);
+}
+.editor-btn.primary:hover {
+  opacity: 0.9;
+}
+.editor-btn.danger:hover {
+  color: var(--danger);
+  border-color: var(--danger);
+}
+.editor-body {
+  flex: 1;
+  min-height: 0;
+  position: relative;
+  overflow-y: auto;
+  overflow-x: hidden;
+}
+.help-body {
+  padding: 0;
+  background: radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 10%, transparent), transparent 30%), var(--bg-primary);
+  display: flex;
+  gap: 0;
+  overflow-y: auto;
+  overflow-x: hidden;
+  scroll-behavior: smooth;
+}
+
+/* Help Navigation Menu */
+.help-hamburger {
+  display: none;
+  width: 36px; height: 36px;
+  padding: 0;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  margin-right: 8px;
+}
+.help-hamburger:hover { color: var(--accent); border-color: var(--accent); }
+.help-nav {
+  width: 260px;
+  min-width: 260px;
+  background: color-mix(in srgb, var(--bg-secondary) 94%, var(--bg-primary));
+  border-right: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
+  display: flex;
+  flex-direction: column;
+  position: sticky;
+  top: 0;
+  align-self: flex-start;
+  height: 100%;
+  max-height: calc(90vh - 57px);
+  flex-shrink: 0;
+  backdrop-filter: blur(12px);
+  overflow: hidden;
+}
+.help-nav-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 20px 16px 10px;
+  flex-shrink: 0;
+}
+.help-nav-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.75rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  color: var(--text-muted);
+}
+.help-nav-search-wrap {
+  padding: 0 12px 8px;
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  gap: 0;
+}
+.help-nav-search {
+  flex: 1;
+  padding: 7px 10px;
+  border: 1px solid var(--border);
+  border-right: none;
+  border-radius: 8px 0 0 8px;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  font-size: 0.78rem;
+  outline: none;
+  transition: border-color 0.2s;
+  min-width: 0;
+}
+.help-nav-search:focus {
+  border-color: var(--accent);
+}
+.help-nav-search:focus + .help-search-clear {
+  border-color: var(--accent);
+  border-left-color: var(--accent);
+}
+.help-nav-search::placeholder { color: var(--text-muted); }
+.help-search-clear {
+  padding: 7px 10px;
+  border: 1px solid var(--border);
+  border-left: none;
+  border-radius: 0 8px 8px 0;
+  background: var(--bg-primary);
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 14px;
+  line-height: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  transition: color 0.15s, background 0.15s;
+}
+.help-search-clear:hover {
+  color: var(--text-primary);
+  background: rgba(255,255,255,0.06);
+}
+.help-nav-list {
+  list-style: none;
+  margin: 0;
+  padding: 0 12px 20px;
+  flex: 1;
+  overflow-y: auto;
+  overflow-x: hidden;
+  scrollbar-width: thin;
+  scrollbar-color: var(--border) transparent;
+}
+.help-nav-list li {
+  margin: 0 0 3px;
+}
+.help-nav-link {
+  display: block;
+  padding: 8px 12px;
+  font-size: 0.85rem;
+  color: var(--text-secondary);
+  text-decoration: none;
+  transition: all 150ms ease;
+  border: 1px solid transparent;
+  border-radius: 8px;
+  outline: none;
+}
+.help-nav-link:hover {
+  color: var(--accent);
+  background: color-mix(in srgb, var(--bg-hover) 80%, transparent);
+  border-color: color-mix(in srgb, var(--accent) 16%, transparent);
+  text-decoration: none;
+  transform: translateX(2px);
+}
+.help-nav-link:focus-visible {
+  outline: 2px solid var(--accent);
+  outline-offset: -2px;
+  border-radius: 8px;
+}
+.help-nav-link.active {
+  color: var(--accent);
+  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent) 7%, transparent));
+  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
+  font-weight: 600;
+  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent);
+}
+.help-nav-link.hidden {
+  display: none;
+}
+.help-section.help-hidden {
+  display: none;
+}
+.help-search-highlight {
+  background: rgba(250, 204, 21, 0.35);
+  color: inherit;
+  border-radius: 2px;
+  padding: 0 1px;
+}
+
+.help-content {
+  flex: 1;
+  max-width: 980px;
+  margin: 0 auto;
+  padding: 32px 40px 56px;
+  overflow: visible;
+  min-width: 0;
+}
+.help-lead {
+  font-size: 1.08rem;
+  line-height: 1.75;
+  color: var(--text-primary);
+  margin-bottom: 18px;
+}
+.help-footer {
+  margin-top: 48px;
+  padding-top: 24px;
+  border-top: 1px solid var(--border);
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 0.85rem;
+}
+.help-footer a {
+  color: var(--accent);
+  text-decoration: none;
+}
+.help-footer a:hover {
+  text-decoration: underline;
+}
+.help-content h1,
+.help-content h2,
+.help-content h3 {
+  font-family: "JetBrains Mono", monospace;
+  color: var(--text-primary);
+}
+.help-content h1 {
+  font-size: 2rem;
+  margin-bottom: 16px;
+  letter-spacing: -0.02em;
+}
+.help-content h2 {
+  font-size: 1.18rem;
+  margin: 0 0 14px;
+}
+.help-content h3 {
+  font-size: 0.95rem;
+  margin: 20px 0 8px;
+  color: var(--text-secondary);
+}
+.help-content p {
+  margin: 0 0 14px;
+  color: var(--text-secondary);
+  line-height: 1.7;
+}
+.help-content pre,
+.help-content table {
+  max-width: 100%;
+  overflow-x: auto;
+}
+.help-content pre code {
+  white-space: pre;
+}
+.help-content ul,
+.help-content ol {
+  margin: 10px 0 18px;
+  padding-left: 24px;
+  color: var(--text-secondary);
+}
+.help-content ul li,
+.help-content ol li {
+  margin: 6px 0;
+  line-height: 1.6;
+}
+.help-content code {
+  font-family: "JetBrains Mono", monospace;
+  background: var(--code-bg);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  padding: 1px 5px;
+  color: var(--text-primary);
+  font-size: 0.88em;
+}
+.help-content strong {
+  color: var(--text-primary);
+  font-weight: 600;
+}
+
+.help-section {
+  position: relative;
+  margin-bottom: 22px;
+  padding: 24px 26px;
+  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
+  border-radius: 18px;
+  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-secondary) 94%, var(--bg-primary)), color-mix(in srgb, var(--bg-secondary) 86%, var(--bg-primary)));
+  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
+}
+
+.help-section::before {
+  content: "";
+  position: absolute;
+  inset: 0;
+  border-radius: inherit;
+  pointer-events: none;
+  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 35%);
+}
+
+.help-hero {
+  display: grid;
+  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr);
+  gap: 22px;
+  align-items: stretch;
+  padding: 22px;
+  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
+  border-radius: 18px;
+  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 45%), color-mix(in srgb, var(--bg-secondary) 92%, var(--bg-primary));
+  margin-bottom: 26px;
+}
+
+.help-kicker {
+  display: inline-flex;
+  align-items: center;
+  padding: 5px 10px;
+  border-radius: 999px;
+  background: color-mix(in srgb, var(--accent) 16%, transparent);
+  color: var(--accent);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.72rem;
+  margin-bottom: 12px;
+}
+
+.help-badges {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-top: 16px;
+}
+
+.help-badge {
+  display: inline-flex;
+  align-items: center;
+  padding: 6px 10px;
+  border-radius: 999px;
+  background: color-mix(in srgb, var(--bg-primary) 72%, transparent);
+  border: 1px solid var(--border);
+  color: var(--text-primary);
+  font-size: 0.8rem;
+}
+
+.help-hero-visual {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.help-mini-window {
+  width: 100%;
+  max-width: 320px;
+  border-radius: 18px;
+  overflow: hidden;
+  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
+  background: color-mix(in srgb, var(--bg-primary) 88%, black 12%);
+  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
+}
+
+.help-mini-window-bar {
+  display: flex;
+  gap: 7px;
+  padding: 12px 14px;
+  border-bottom: 1px solid var(--border);
+}
+
+.help-mini-window-bar span {
+  width: 9px;
+  height: 9px;
+  border-radius: 50%;
+  background: color-mix(in srgb, var(--accent) 45%, var(--text-muted));
+}
+
+.help-mini-window-body {
+  display: flex;
+  min-height: 190px;
+}
+
+.help-mini-sidebar {
+  width: 72px;
+  background: color-mix(in srgb, var(--bg-secondary) 92%, black 8%);
+  border-right: 1px solid var(--border);
+}
+
+.help-mini-content {
+  flex: 1;
+  padding: 16px;
+}
+
+.help-mini-line {
+  height: 10px;
+  border-radius: 999px;
+  background: color-mix(in srgb, var(--text-muted) 28%, transparent);
+  margin-bottom: 10px;
+}
+
+.help-mini-line.short {
+  width: 62%;
+}
+
+.help-mini-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  margin: 14px 0;
+}
+
+.help-mini-tags span {
+  padding: 3px 8px;
+  border-radius: 999px;
+  background: color-mix(in srgb, var(--accent) 16%, transparent);
+  color: var(--text-primary);
+  font-size: 0.72rem;
+}
+
+.help-mini-card {
+  height: 64px;
+  border-radius: 12px;
+  border: 1px solid var(--border);
+  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-secondary) 94%, white 6%), var(--bg-primary));
+}
+
+.help-grid {
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 16px;
+  margin-bottom: 26px;
+}
+
+.help-card {
+  padding: 18px;
+  border-radius: 16px;
+  border: 1px solid var(--border);
+  background: color-mix(in srgb, var(--bg-secondary) 92%, var(--bg-primary));
+}
+
+.help-card-icon {
+  width: 42px;
+  height: 42px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 12px;
+  background: color-mix(in srgb, var(--accent) 14%, transparent);
+  font-size: 1.2rem;
+  margin-bottom: 10px;
+}
+
+.help-section {
+  margin-top: 26px;
+}
+
+.help-feature-list,
+.help-steps,
+.help-checklist,
+.help-tip-grid {
+  display: grid;
+  gap: 14px;
+}
+
+.help-feature-item,
+.help-step,
+.help-check-item,
+.help-tip-card {
+  border: 1px solid var(--border);
+  border-radius: 16px;
+  background: color-mix(in srgb, var(--bg-secondary) 92%, var(--bg-primary));
+}
+
+.help-feature-item {
+  display: grid;
+  grid-template-columns: 52px minmax(0, 1fr);
+  gap: 14px;
+  padding: 16px;
+}
+
+.help-feature-emoji {
+  width: 52px;
+  height: 52px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 14px;
+  background: color-mix(in srgb, var(--accent) 12%, transparent);
+  font-size: 1.4rem;
+}
+
+.help-steps {
+  counter-reset: step;
+}
+
+.help-step {
+  display: grid;
+  grid-template-columns: 44px minmax(0, 1fr);
+  gap: 14px;
+  padding: 16px;
+}
+
+.help-step-number {
+  width: 44px;
+  height: 44px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: color-mix(in srgb, var(--accent) 18%, transparent);
+  color: var(--accent);
+  font-family: "JetBrains Mono", monospace;
+  font-weight: 700;
+}
+
+.help-check-item {
+  display: grid;
+  grid-template-columns: 28px minmax(0, 1fr);
+  gap: 12px;
+  padding: 14px 16px;
+  align-items: start;
+}
+
+.help-check-item span {
+  font-size: 1rem;
+  line-height: 1.4;
+}
+
+.help-check-item p {
+  margin-bottom: 0;
+}
+
+.help-tip-panel {
+  margin-top: 28px;
+}
+
+.help-tip-grid {
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+}
+
+.help-tip-card {
+  padding: 16px;
+}
+.cm-editor {
+  height: auto;
+  min-height: 100%;
+  font-size: 0.9rem;
+}
+.cm-scroller {
+  font-family: "JetBrains Mono", monospace;
+  overflow-y: auto !important;
+  overflow-x: auto !important;
+  height: auto;
+  min-height: 100%;
+  max-width: 100%;
+}
+.fallback-editor {
+  width: 100%;
+  min-height: 100%;
+  height: auto;
+  border: none;
+  outline: none;
+  resize: none;
+  padding: 16px;
+  background: var(--code-bg);
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  line-height: 1.55;
+  box-sizing: border-box;
+  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;
+  }
+  .right-sidebar-resize-handle {
+    display: none;
+  }
+}
+
+/* Mobile help navigation */
+@media (max-width: 768px) {
+  .help-nav {
+    display: none;
+  }
+  .help-content {
+    padding: 20px 16px 32px;
+  }
+  .vault-context-indicator {
+    /* Keep visible on mobile — same look as desktop */
+    padding: 4px 8px;
+    font-size: 0.7rem;
+  }
+}
+
+/* Mobile editor */
+@media (max-width: 768px) {
+  .editor-modal {
+    padding: 0;
+    align-items: stretch;
+  }
+  .editor-container {
+    max-width: 100%;
+    max-height: 100vh;
+    border-radius: 0;
+    height: 100vh;
+    overflow: hidden;
+  }
+  .editor-header {
+    padding: 10px 12px;
+    position: sticky;
+    top: 0;
+    z-index: 20;
+    background: var(--bg-primary);
+  }
+  .editor-title {
+    font-size: 0.85rem;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  .editor-actions {
+    gap: 4px;
+  }
+  .editor-btn {
+    width: 36px;
+    height: 36px;
+    min-width: 36px;
+  }
+  .editor-body {
+    flex: 1;
+    min-height: 0;
+    overflow: auto;
+  }
+  .cm-editor {
+    height: auto;
+    min-height: 100%;
+  }
+  .cm-scroller {
+    overflow: auto !important;
+    height: auto;
+    min-height: 100%;
+  }
+  .fallback-editor {
+    min-height: 100%;
+    height: auto;
+  }
+  .search-results-header {
+    align-items: flex-start;
+  }
+}
+
+/* --- No-select during resize --- */
+body.resizing {
+  user-select: none;
+  -webkit-user-select: none;
+  cursor: ew-resize;
+}
+body.resizing-v {
+  user-select: none;
+  -webkit-user-select: none;
+  cursor: ns-resize;
+}
+
+/* --- Responsive — Tablet --- */
+@media (max-width: 1024px) {
+  .sidebar {
+    width: 240px;
+    min-width: 200px;
+  }
+}
+
+/* --- Responsive — Mobile --- */
+@media (max-width: 768px) {
+  .hamburger-btn {
+    display: flex;
+  }
+
+  .sidebar-toggle-btn {
+    display: none;
+  }
+
+  .header {
+    flex-wrap: wrap;
+    gap: 8px 10px;
+    padding: 10px 12px;
+  }
+
+  .header-left {
+    flex: 1;
+    gap: 12px;
+  }
+
+  .header-center {
+    flex: 0 0 100%;
+    order: 3;
+    max-width: none;
+    padding: 4px 0;
+  }
+
+  .header-right {
+    flex: 0 0 auto;
+    gap: 8px;
+  }
+
+  .header-logo {
+    font-size: 1.05rem;
+    gap: 8px;
+  }
+
+  .user-display-name {
+    display: none; /* Masquer le nom d'utilisateur sur mobile pour gagner de la place */
+  }
+
+  .search-wrapper {
+    max-width: none;
+    width: 100%;
+  }
+
+  .search-input-wrapper input {
+    padding: 10px 40px 10px 40px;
+    font-size: 1rem;
+    border-radius: 12px;
+  }
+
+  .search-wrapper .search-icon {
+    left: 14px;
+    top: 14px;
+    width: 18px !important;
+    height: 18px !important;
+  }
+
+  /* Mobile: keep only filter + clear visible in header search */
+  .search-actions .tog,
+  .search-actions .search-sep,
+  .search-actions .search-count { display: none; }
+  .search-actions { gap: 4px; }
+  .search-actions .search-btn#search-clear-btn { display: flex; }
+
+  .search-dropdown {
+    position: fixed;
+    top: 100px;
+    left: 8px;
+    right: 8px;
+    width: calc(100vw - 16px);
+    max-height: calc(100vh - 120px);
+    border-radius: 12px;
+    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
+  }
+
+  .search-dropdown__item {
+    padding: 14px 16px;
+    font-size: 0.95rem;
+  }
+
+  .search-dropdown__icon {
+    width: 18px;
+    height: 18px;
+    margin-right: 8px;
+  }
+
+  .header-menu-btn {
+    padding: 10px;
+    border-radius: 10px;
+  }
+
+  .header-menu-dropdown {
+    position: fixed;
+    top: 60px;
+    right: 10px;
+    left: 10px;
+    width: auto;
+    min-width: 0;
+    border-radius: 16px;
+  }
+
+  .sidebar-quick-select {
+    padding: 0 16px 12px;
+  }
+
+  .sidebar-quick-select select {
+    color-scheme: dark;
+    background-color: var(--bg-secondary);
+    color: var(--text-primary);
+  }
+
+  [data-theme="dark"] .sidebar-quick-select select {
+    background-color: #1e1e1e;
+    color: #e0e0e0;
+  }
+
+  .sidebar-panel-toggle {
+    padding: 8px 12px 10px;
+  }
+
+  .tag-cloud {
+    padding: 0 12px 12px;
+  }
+
+  .sidebar {
+    position: fixed;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    z-index: 200;
+    width: 280px !important;
+    min-width: 280px !important;
+    max-width: 85vw !important;
+    transform: translateX(-100%);
+    transition:
+      transform 250ms ease,
+      background 200ms ease;
+    box-shadow: none;
+  }
+  .sidebar.mobile-open {
+    transform: translateX(0);
+    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
+  }
+
+  /* Mobile sidebar overlay */
+  .sidebar-overlay {
+    display: none;
+    position: fixed;
+    inset: 0;
+    background: rgba(0,0,0,0.4);
+    z-index: 199;
+  }
+  .sidebar-overlay.active { display: block; }
+
+  /* Right Sidebar handling on mobile */
+  .right-sidebar {
+    position: fixed;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    z-index: 200;
+    width: 280px !important;
+    min-width: 280px !important;
+    max-width: 85vw !important;
+    transform: translateX(100%);
+    transition:
+      transform 250ms ease,
+      background 200ms ease;
+    box-shadow: none;
+    border-left: 1px solid var(--border);
+  }
+  .right-sidebar.hidden {
+    transform: translateX(100%) !important;
+    width: 280px !important;
+    min-width: 280px !important;
+    display: flex;
+  }
+  .right-sidebar:not(.hidden) {
+    transform: translateX(0) !important;
+    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3) !important;
+    display: flex !important;
+    visibility: visible !important;
+  }
+
+  .right-sidebar-resize-handle {
+    display: none;
+  }
+
+  .sidebar-resize-handle {
+    display: none;
+  }
+
+  .tag-resize-handle {
+    display: none;
+  }
+
+  .tag-cloud-section {
+    height: auto;
+    max-height: 200px;
+    min-height: 80px;
+  }
+
+  #vault-panel-content {
+    max-height: none;
+  }
+  #tag-panel-content {
+    max-height: none;
+  }
+
+  .help-content {
+    padding: 20px 16px 28px;
+  }
+
+  .help-hero {
+    grid-template-columns: 1fr;
+    padding: 18px;
+  }
+
+  .help-grid,
+  .help-tip-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .content-area {
+    padding: 12px 8px 24px;
+    width: 100%;
+  }
+
+  .file-title {
+    font-size: 1.15rem;
+  }
+
+  .file-actions {
+    flex-wrap: wrap;
+    gap: 4px;
+  }
+
+  .file-actions .btn-action {
+    padding: 6px 8px;
+    font-size: 0.75rem;
+  }
+
+  /* Full-width search results */
+  .search-result-item {
+    padding: 12px 14px;
+    border-radius: 8px;
+    margin-bottom: 8px;
+  }
+
+  .search-result-title {
+    font-size: 0.9rem;
+    padding-right: 40px;
+  }
+
+  .search-result-ext {
+    top: 6px;
+    right: 8px;
+    font-size: 0.6rem;
+  }
+
+  .search-results-header {
+    flex-wrap: wrap;
+    gap: 6px;
+  }
+
+  /* Full-width dashboard */
+  .dashboard-stats-grid {
+    grid-template-columns: repeat(2, 1fr);
+    gap: 8px;
+  }
+
+  .stat-card {
+    padding: 12px 8px;
+  }
+
+  .dashboard-tab {
+    padding: 6px 5px !important;
+    font-size: 0 !important;
+    gap: 0 !important;
+    overflow: hidden;
+    min-width: 32px;
+  }
+  .dashboard-tab > *:not(i):not(svg) { display: none; }
+  .dashboard-tab i, .dashboard-tab svg {
+    width: 18px !important;
+    height: 18px !important;
+    flex-shrink: 0;
+  }
+
+  .breadcrumb {
+    font-size: 0.75rem;
+    flex-wrap: wrap;
+  }
+
+  /* Mobile tab bar */
+  .tab-bar {
+    padding: 0 4px;
+  }
+  .tab-item {
+    padding: 6px 10px;
+    font-size: 0.7rem;
+  }
+  .tab-item .tab-name { max-width: 80px; }
+  .tab-item .tab-close { opacity: 0.6; width: 14px; height: 14px; }
+
+  .md-content {
+    padding: 0 4px;
+  }
+
+  .md-content h1 { font-size: 1.4rem; }
+  .md-content h2 { font-size: 1.15rem; }
+  .md-content h3 { font-size: 1rem; }
+
+  .md-content pre {
+    margin: 8px -4px;
+    border-radius: 6px;
+    padding: 10px 12px;
+    font-size: 0.8rem;
+  }
+
+  /* Full-width content wrapper */
+  .content-wrapper {
+    margin-left: 0 !important;
+  }
+}
+
+/* --- Configuration Modal --- */
+.config-content {
+  max-width: 720px;
+  margin: 0 auto;
+  padding: 28px 24px 40px;
+}
+
+.config-section {
+  margin-bottom: 28px;
+}
+
+.config-section h2 {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.05rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+}
+
+.config-description {
+  font-size: 0.85rem;
+  color: var(--text-secondary);
+  margin-bottom: 16px;
+  line-height: 1.5;
+}
+
+.config-filters-list {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-bottom: 16px;
+  min-height: 32px;
+}
+
+.config-filter-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 6px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  border: 1px solid color-mix(in srgb, var(--tag-text) 30%, transparent);
+}
+
+.config-filter-badge.disabled {
+  opacity: 0.5;
+}
+
+.config-filter-remove {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 16px;
+  height: 16px;
+  border: none;
+  background: transparent;
+  color: inherit;
+  cursor: pointer;
+  padding: 0;
+  font-size: 1.1rem;
+  line-height: 1;
+}
+
+.config-filter-remove:hover {
+  opacity: 0.7;
+}
+
+.config-filter-toggle {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 16px;
+  height: 16px;
+  border: none;
+  background: transparent;
+  color: inherit;
+  cursor: pointer;
+  padding: 0;
+  font-size: 0.9rem;
+}
+
+.config-add-pattern {
+  display: flex;
+  gap: 8px;
+  margin-bottom: 12px;
+}
+
+.config-input {
+  flex: 1;
+  padding: 8px 12px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  outline: none;
+  transition: border-color 200ms ease;
+}
+
+.config-input:focus {
+  border-color: var(--accent);
+}
+
+.config-select {
+  padding: 8px 12px;
+  border: 1px solid var(--border);
+  border-radius: var(--r);
+  background: var(--bg-input);
+  color: var(--text-primary);
+  font-size: 0.86rem;
+  font-family: var(--mono);
+  cursor: pointer;
+}
+
+.config-btn-add {
+  padding: 8px 16px;
+  border: 1px solid var(--accent);
+  border-radius: 6px;
+  background: var(--accent);
+  color: #ffffff;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: opacity 150ms ease;
+}
+
+.config-btn-add:hover {
+  opacity: 0.9;
+}
+
+.config-regex-preview {
+  padding: 8px 12px;
+  background: var(--code-bg);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  font-size: 0.75rem;
+  color: var(--text-secondary);
+}
+
+.config-regex-preview code {
+  font-family: "JetBrains Mono", monospace;
+  color: var(--accent);
+  background: transparent;
+  border: none;
+  padding: 0;
+}
+
+/* --- Config rows & controls --- */
+.config-row {
+  display: grid;
+  grid-template-columns: 200px 120px 1fr;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 10px;
+}
+.config-label {
+  font-size: 0.82rem;
+  color: var(--text-primary);
+  font-weight: 500;
+}
+.config-input--num {
+  flex: none;
+  width: 120px;
+  text-align: right;
+}
+.config-hint {
+  font-size: 0.72rem;
+  color: var(--text-muted);
+}
+.config-badge-restart {
+  display: inline-block;
+  font-size: 0.65rem;
+  font-weight: 500;
+  padding: 2px 8px;
+  border-radius: 4px;
+  background: var(--danger-bg, #3d1a18);
+  color: var(--danger, #ff7b72);
+  vertical-align: middle;
+  margin-left: 6px;
+}
+.config-actions-row {
+  display: flex;
+  gap: 8px;
+  margin-top: 16px;
+  flex-wrap: wrap;
+}
+.config-btn-save {
+  padding: 8px 20px;
+  border: 1px solid var(--accent);
+  border-radius: 6px;
+  background: var(--accent);
+  color: #fff;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: opacity 150ms;
+}
+.config-btn-save:hover {
+  opacity: 0.9;
+}
+.config-btn-save.config-btn-highlight {
+  background: var(--accent-green);
+  border-color: var(--accent-green);
+  animation: pulse 2s ease-in-out infinite;
+}
+@keyframes pulse {
+  0%,
+  100% {
+    opacity: 1;
+  }
+  50% {
+    opacity: 0.8;
+  }
+}
+.config-btn-secondary {
+  padding: 8px 16px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition: background 150ms;
+}
+.config-btn-secondary:hover {
+  background: var(--bg-hover);
+}
+
+/* --- Config diagnostics panel --- */
+.config-diagnostics {
+  background: var(--code-bg);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  padding: 14px 16px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.78rem;
+  line-height: 1.7;
+  color: var(--text-secondary);
+}
+.config-diag-loading {
+  color: var(--text-muted);
+}
+.config-diag-row {
+  display: flex;
+  justify-content: space-between;
+}
+.config-diag-row .diag-label {
+  color: var(--text-secondary);
+}
+.config-diag-row .diag-value {
+  color: var(--text-primary);
+  font-weight: 500;
+}
+.config-diag-section {
+  margin-bottom: 8px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid var(--border);
+}
+.config-diag-section:last-child {
+  margin-bottom: 0;
+  padding-bottom: 0;
+  border-bottom: none;
+}
+.config-diag-section-title {
+  font-weight: 600;
+  color: var(--accent);
+  margin-bottom: 4px;
+  font-size: 0.75rem;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+@media (max-width: 768px) {
+  .config-row {
+    grid-template-columns: 1fr;
+    gap: 4px;
+  }
+  .config-input--num {
+    width: 100%;
+  }
+}
+
+/* --- Toast notifications --- */
+.toast-container {
+  position: fixed;
+  bottom: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 10000;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 8px;
+  pointer-events: none;
+}
+.toast {
+  padding: 10px 20px;
+  border-radius: 8px;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-primary);
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
+  opacity: 0;
+  transform: translateY(12px);
+  transition:
+    opacity 250ms ease,
+    transform 250ms ease;
+  pointer-events: auto;
+  max-width: 420px;
+  text-align: center;
+}
+.toast.show {
+  opacity: 1;
+  transform: translateY(0);
+}
+.toast-error {
+  border-color: var(--danger);
+  background: var(--danger-bg);
+  color: var(--danger);
+}
+.toast-success {
+  border-color: var(--success);
+  background: var(--success-bg);
+  color: var(--success);
+}
+
+/* --- Tree loading indicator --- */
+.tree-loading {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 8px 16px;
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Autocomplete Dropdown
+   --------------------------------------------------------------------------- */
+.search-dropdown {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  right: 0;
+  margin-top: 4px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
+  z-index: 200;
+}
+.search-dropdown[hidden] {
+  display: none;
+}
+.search-dropdown__section {
+  border-bottom: 1px solid var(--border);
+}
+.search-dropdown__section:last-child {
+  border-bottom: none;
+}
+.search-dropdown__section[hidden] {
+  display: none;
+}
+.search-dropdown__section-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 6px 12px;
+  font-size: 0.7rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  color: var(--text-muted);
+  background: var(--bg-primary);
+  position: sticky;
+  top: 0;
+  z-index: 1;
+}
+.search-dropdown__clear-btn {
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  padding: 2px 4px;
+  border-radius: 4px;
+  display: flex;
+  align-items: center;
+}
+.search-dropdown__clear-btn:hover {
+  color: var(--danger);
+  background: var(--danger-bg, rgba(255, 0, 0, 0.08));
+}
+.search-dropdown__list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+.search-dropdown__item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 7px 12px;
+  cursor: pointer;
+  font-size: 0.82rem;
+  color: var(--text-primary);
+  transition: background 120ms ease;
+}
+.search-dropdown__item:hover,
+.search-dropdown__item.active {
+  background: var(--bg-hover);
+}
+.search-dropdown__item--history {
+  color: var(--text-secondary);
+}
+.search-dropdown__item--history .search-dropdown__icon {
+  color: var(--text-muted);
+}
+.search-dropdown__item--title .search-dropdown__meta {
+  font-size: 0.72rem;
+  color: var(--text-muted);
+  margin-left: auto;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 180px;
+}
+.search-dropdown__item--tag .search-dropdown__badge {
+  margin-left: auto;
+  font-size: 0.7rem;
+  color: var(--text-muted);
+  background: var(--bg-primary);
+  padding: 1px 6px;
+  border-radius: 10px;
+}
+.search-dropdown__icon {
+  flex-shrink: 0;
+  width: 14px;
+  height: 14px;
+  color: var(--text-muted);
+}
+.search-dropdown__text {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.search-dropdown__text mark {
+  background: var(--accent);
+  color: var(--bg-primary);
+  border-radius: 2px;
+  padding: 0 1px;
+}
+.search-dropdown__empty {
+  padding: 16px 12px;
+  text-align: center;
+  font-size: 0.82rem;
+  color: var(--text-muted);
+}
+.search-dropdown__empty[hidden] {
+  display: none;
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Filter Chips
+   --------------------------------------------------------------------------- */
+.search-chips {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  padding: 6px 0 0;
+}
+.search-chips[hidden] {
+  display: none;
+}
+.search-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 3px 8px;
+  font-size: 0.75rem;
+  font-family: "JetBrains Mono", monospace;
+  border-radius: 12px;
+  background: var(--accent);
+  color: var(--bg-primary);
+  cursor: default;
+  max-width: 200px;
+  white-space: nowrap;
+}
+.search-chip__label {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.search-chip__remove {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: none;
+  border: none;
+  color: inherit;
+  cursor: pointer;
+  padding: 0;
+  opacity: 0.7;
+  transition: opacity 120ms;
+}
+.search-chip__remove:hover {
+  opacity: 1;
+}
+.search-chip--tag {
+  background: var(--accent);
+  color: var(--bg-primary);
+}
+.search-chip--vault {
+  background: var(--success, #22c55e);
+  color: #fff;
+}
+.search-chip--title {
+  background: var(--warning, #f59e0b);
+  color: #1a1a1a;
+}
+.search-chip--path {
+  background: var(--text-muted);
+  color: var(--bg-primary);
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Snippet Highlights
+   --------------------------------------------------------------------------- */
+.search-result__snippet mark {
+  background: var(--accent);
+  color: var(--bg-primary);
+  border-radius: 2px;
+  padding: 0 2px;
+  font-weight: 600;
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Facets Panel
+   --------------------------------------------------------------------------- */
+.search-facets {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+  margin-bottom: 12px;
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+}
+.search-facets[hidden] {
+  display: none;
+}
+.search-facets__group {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  align-items: center;
+}
+.search-facets__label {
+  font-size: 0.72rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  color: var(--text-muted);
+  margin-right: 4px;
+}
+.search-facets__item {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 8px;
+  font-size: 0.75rem;
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  color: var(--text-secondary);
+  background: var(--bg-secondary);
+  cursor: pointer;
+  transition:
+    border-color 120ms,
+    background 120ms;
+}
+.search-facets__item:hover {
+  border-color: var(--accent);
+  background: var(--bg-hover);
+}
+.search-facets__item .facet-count {
+  font-size: 0.68rem;
+  color: var(--text-muted);
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Pagination
+   --------------------------------------------------------------------------- */
+.search-pagination {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  padding: 12px 0;
+}
+.search-pagination__btn {
+  padding: 6px 14px;
+  font-size: 0.82rem;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  cursor: pointer;
+  transition:
+    border-color 120ms,
+    background 120ms;
+}
+.search-pagination__btn:hover:not(:disabled) {
+  border-color: var(--accent);
+  background: var(--bg-hover);
+}
+.search-pagination__btn:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+.search-pagination__info {
+  font-size: 0.78rem;
+  color: var(--text-muted);
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Sort Controls
+   --------------------------------------------------------------------------- */
+.search-sort {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  margin-left: auto;
+}
+.search-sort__btn {
+  padding: 3px 10px;
+  font-size: 0.75rem;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: all 120ms;
+}
+.search-sort__btn.active {
+  border-color: var(--accent);
+  color: var(--accent);
+  background: var(--bg-hover);
+}
+
+/* ---------------------------------------------------------------------------
+   Advanced Search — Responsive
+   --------------------------------------------------------------------------- */
+@media (max-width: 768px) {
+  .search-dropdown {
+    max-height: 280px;
+  }
+  .search-facets {
+    flex-direction: column;
+    gap: 8px;
+  }
+  .search-chip {
+    max-width: 150px;
+  }
+}
+
+/* ---------------------------------------------------------------------------
+   Sync Badge — real-time connection status indicator
+   --------------------------------------------------------------------------- */
+.sync-badge {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  border-radius: 50%;
+  margin-left: 8px;
+  cursor: pointer;
+  transition:
+    background 300ms,
+    box-shadow 300ms;
+  flex-shrink: 0;
+  vertical-align: middle;
+}
+.sync-badge--disconnected {
+  background: #ef4444;
+  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.25);
+}
+.sync-badge--connecting {
+  background: #f59e0b;
+  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
+  animation: sync-pulse 1.5s ease-in-out infinite;
+}
+.sync-badge--connected {
+  background: #22c55e;
+  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
+}
+.sync-badge--syncing {
+  background: #3b82f6;
+  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
+  animation: sync-pulse 0.8s ease-in-out infinite;
+}
+@keyframes sync-pulse {
+  0%,
+  100% {
+    opacity: 1;
+  }
+  50% {
+    opacity: 0.4;
+  }
+}
+
+/* AI processing — white flash on the sync badge */
+.sync-badge--ai-processing {
+  background: #ffffff !important;
+  box-shadow: 0 0 6px 3px rgba(255, 255, 255, 0.6) !important;
+  animation: ai-flash 0.6s ease-in-out infinite;
+}
+
+@keyframes ai-flash {
+  0%, 100% { opacity: 1; box-shadow: 0 0 6px 3px rgba(255,255,255,0.6); }
+  50%      { opacity: 0.3; box-shadow: 0 0 12px 6px rgba(255,255,255,0.9); }
+}
+
+/* ── AI Status section inside sync panel ── */
+
+.sync-panel__ai-section {
+  border-top: 1px solid var(--border);
+  padding: 10px 14px;
+}
+
+.sync-panel__ai-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.sync-panel__ai-title {
+  font-size: 0.78rem;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.sync-panel__ai-state {
+  font-size: 0.75rem;
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  padding: 2px 8px;
+  border-radius: 4px;
+}
+
+.sync-panel__ai-state i {
+  flex-shrink: 0;
+}
+
+.sync-panel__ai--active {
+  color: #22c55e;
+  background: rgba(34, 197, 94, 0.1);
+}
+
+.sync-panel__ai--inactive {
+  color: #f59e0b;
+  background: rgba(245, 158, 11, 0.1);
+}
+
+.sync-panel__ai--processing {
+  color: #ffffff;
+  background: rgba(59, 130, 246, 0.2);
+  animation: ai-status-pulse 1s ease-in-out infinite;
+}
+
+.sync-panel__ai--unknown {
+  color: var(--text-muted);
+  background: var(--bg-tertiary);
+}
+
+@keyframes ai-status-pulse {
+  0%, 100% { opacity: 1; }
+  50%      { opacity: 0.6; }
+}
+
+/* ---------------------------------------------------------------------------
+   Vault Home Page
+   --------------------------------------------------------------------------- */
+
+.vault-home {
+  padding: 16px 24px;
+  max-width: 900px;
+  margin: 0 auto;
+}
+
+.vault-home-breadcrumb {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 2px;
+  font-size: 0.85rem;
+  margin-bottom: 16px;
+  padding: 8px 12px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+}
+
+.vault-home-breadcrumb-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 6px;
+  border-radius: 4px;
+  color: var(--text-secondary);
+  transition: background 0.15s, color 0.15s;
+  user-select: none;
+}
+
+.vault-home-breadcrumb-item:hover {
+  background: color-mix(in srgb, var(--accent) 10%, transparent);
+  color: var(--text-primary);
+}
+
+.vault-home-breadcrumb-root {
+  font-weight: 600;
+  color: var(--accent);
+}
+
+.vault-home-breadcrumb-sep {
+  color: var(--text-muted);
+  user-select: none;
+  font-size: 0.8rem;
+}
+
+.vault-home-header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 12px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid var(--border);
+}
+
+.vault-home-count {
+  font-size: 0.8rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  background: var(--bg-secondary);
+  padding: 3px 10px;
+  border-radius: 4px;
+}
+
+.vault-home-recursive-badge {
+  font-size: 0.7rem;
+  font-weight: 600;
+  color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 12%, transparent);
+  padding: 2px 8px;
+  border-radius: 4px;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+.vault-home-dir-info {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  font-family: var(--font-mono);
+}
+
+.vault-home-results {
+  min-height: 200px;
+}
+
+.vault-home-empty {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 3rem;
+  color: var(--text-muted);
+  gap: 8px;
+}
+
+.vault-home-empty p {
+  font-size: 0.85rem;
+  margin: 0;
+}
+
+.vault-home-error {
+  padding: 2rem;
+  text-align: center;
+  color: var(--danger, #ef4444);
+  font-size: 0.85rem;
+}
+
+/* ── Recent files section on vault home ── */
+.vault-home-recent {
+  margin-bottom: 20px;
+  padding: 12px 16px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+}
+
+.vault-home-recent-header {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 0.75rem;
+  font-weight: 600;
+  color: var(--text-muted);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  margin-bottom: 8px;
+  padding-bottom: 6px;
+  border-bottom: 1px solid var(--border);
+}
+
+.vault-home-recent-list {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.vault-home-recent-item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 5px 6px;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: background 0.12s;
+  font-size: 0.82rem;
+}
+
+.vault-home-recent-item:hover {
+  background: color-mix(in srgb, var(--accent) 8%, transparent);
+}
+
+.vault-home-recent-title {
+  color: var(--text-primary);
+  font-weight: 500;
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.vault-home-recent-dir {
+  color: var(--text-muted);
+  font-size: 0.72rem;
+  font-family: var(--font-mono);
+  max-width: 180px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.vault-home-recent-time {
+  color: var(--text-muted);
+  font-size: 0.7rem;
+  white-space: nowrap;
+  flex-shrink: 0;
+}
+
+.vault-home-item {
+  cursor: pointer;
+}
+
+.vault-home-item:hover {
+  background: var(--bg-secondary);
+}
+
+/* ---------------------------------------------------------------------------
+   Sync Panel — event log overlay
+   --------------------------------------------------------------------------- */
+.sync-panel {
+  position: fixed;
+  top: 52px;
+  left: 16px;
+  width: 340px;
+  max-height: 400px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+  z-index: 9999;
+  overflow: hidden;
+  font-size: 0.82rem;
+}
+.sync-panel__header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 12px 14px;
+  border-bottom: 1px solid var(--border);
+}
+.sync-panel__title {
+  font-weight: 600;
+  color: var(--text-primary);
+}
+.sync-panel__state {
+  font-size: 0.72rem;
+  padding: 2px 8px;
+  border-radius: 8px;
+  font-weight: 500;
+}
+.sync-panel__state--connected {
+  background: rgba(34, 197, 94, 0.15);
+  color: #22c55e;
+}
+.sync-panel__state--disconnected {
+  background: rgba(239, 68, 68, 0.15);
+  color: #ef4444;
+}
+.sync-panel__state--connecting {
+  background: rgba(245, 158, 11, 0.15);
+  color: #f59e0b;
+}
+.sync-panel__state--syncing {
+  background: rgba(59, 130, 246, 0.15);
+  color: #3b82f6;
+}
+.sync-panel__empty {
+  padding: 20px 14px;
+  text-align: center;
+  color: var(--text-muted);
+}
+.sync-panel__events {
+  max-height: 320px;
+  overflow-y: auto;
+  padding: 4px 0;
+}
+.sync-panel__event {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 7px 14px;
+  border-bottom: 1px solid var(--border);
+}
+.sync-panel__event:last-child {
+  border-bottom: none;
+}
+.sync-panel__event-type {
+  font-weight: 500;
+  color: var(--text-primary);
+  white-space: nowrap;
+}
+.sync-panel__event-detail {
+  color: var(--text-secondary);
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.sync-panel__event-time {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+  white-space: nowrap;
+}
+
+/* ---------------------------------------------------------------------------
+   Toast — info variant (blue)
+   --------------------------------------------------------------------------- */
+.toast.toast-info {
+  background: #1e3a5f;
+  border-left: 4px solid #3b82f6;
+  color: #bfdbfe;
+}
+[data-theme="light"] .toast.toast-info {
+  background: #eff6ff;
+  border-left: 4px solid #3b82f6;
+  color: #1e40af;
+}
+
+/* ---------------------------------------------------------------------------
+   Config Toggle Switch
+   --------------------------------------------------------------------------- */
+.config-toggle {
+  position: relative;
+  display: inline-block;
+  width: 40px;
+  height: 22px;
+  flex-shrink: 0;
+}
+.config-toggle input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+.config-toggle-slider {
+  position: absolute;
+  cursor: pointer;
+  inset: 0;
+  background: var(--bg-hover);
+  border: 1px solid var(--border);
+  border-radius: 22px;
+  transition:
+    background 200ms,
+    border-color 200ms;
+}
+.config-toggle-slider::before {
+  content: "";
+  position: absolute;
+  height: 16px;
+  width: 16px;
+  left: 2px;
+  bottom: 2px;
+  background: var(--text-muted);
+  border-radius: 50%;
+  transition:
+    transform 200ms,
+    background 200ms;
+}
+.config-toggle input:checked + .config-toggle-slider {
+  background: rgba(34, 197, 94, 0.2);
+  border-color: #22c55e;
+}
+.config-toggle input:checked + .config-toggle-slider::before {
+  transform: translateX(18px);
+  background: #22c55e;
+}
+
+/* ---------------------------------------------------------------------------
+   Hidden Files Configuration
+   --------------------------------------------------------------------------- */
+.hidden-files-vault-card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  padding: 12px;
+  margin-bottom: 12px;
+  transition: border-color 200ms ease;
+}
+
+.hidden-files-vault-card:hover {
+  border-color: var(--accent);
+}
+
+.hidden-files-vault-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid var(--border);
+}
+
+.hidden-files-vault-header h3 {
+  font-size: 0.95rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.hidden-files-vault-type {
+  font-size: 0.7rem;
+  padding: 2px 6px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 3px;
+  font-family: var(--mono);
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.hidden-files-whitelist {
+  margin-top: 12px;
+  padding-top: 12px;
+  border-top: 1px solid var(--border);
+}
+
+.hidden-files-whitelist-items {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 6px;
+  margin-bottom: 10px;
+  min-height: 28px;
+  padding: 4px;
+  background: var(--bg-primary);
+  border-radius: 4px;
+  border: 1px dashed var(--border);
+}
+
+.hidden-files-whitelist-items:empty::before {
+  content: "Aucun dossier dans la liste blanche";
+  color: var(--text-muted);
+  font-size: 0.85rem;
+  font-style: italic;
+}
+
+.hidden-files-whitelist-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 3px 6px 3px 8px;
+  background: var(--tag-bg);
+  color: var(--tag-text);
+  border-radius: 4px;
+  font-size: 0.85rem;
+  font-family: var(--mono);
+  border: 1px solid color-mix(in srgb, var(--tag-text) 30%, transparent);
+  transition: all 150ms ease;
+}
+
+.hidden-files-whitelist-item:hover {
+  background: color-mix(in srgb, var(--tag-bg) 80%, var(--accent) 20%);
+  border-color: var(--accent);
+}
+
+.whitelist-item-text {
+  user-select: none;
+}
+
+.whitelist-item-remove {
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 1.1rem;
+  line-height: 1;
+  padding: 0 2px;
+  transition: all 150ms ease;
+  border-radius: 2px;
+}
+
+.whitelist-item-remove:hover {
+  color: var(--danger);
+  background: color-mix(in srgb, var(--danger) 15%, transparent);
+}
+
+.hidden-files-add-row {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+  margin-top: 4px;
+}
+
+.hidden-files-add-row .config-input {
+  flex: 1;
+  max-width: 250px;
+  font-family: var(--mono);
+  font-size: 0.9rem;
+}
+
+.config-btn-add {
+  padding: 6px 12px;
+  background: var(--accent);
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 0.875rem;
+  font-weight: 500;
+  transition: all 150ms ease;
+  white-space: nowrap;
+}
+
+.config-btn-add:hover {
+  background: color-mix(in srgb, var(--accent) 85%, black);
+  transform: translateY(-1px);
+}
+
+.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;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, #090e17 0%, #101827 50%, #1b2838 100%);
+}
+.login-card {
+  width: 380px;
+  max-width: 90vw;
+  background: rgba(30, 30, 46, 0.85);
+  backdrop-filter: blur(20px);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  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 {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
+}
+.login-header {
+  text-align: center;
+  margin-bottom: 32px;
+}
+.login-logo {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  margin-bottom: 8px;
+}
+.login-logo-icon {
+  font-size: 2rem;
+}
+.login-logo-text {
+  font-size: 1.8rem;
+  font-weight: 700;
+  background: linear-gradient(135deg, #7dd3fc, #38bdf8, #0ea5e9);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+  letter-spacing: -0.02em;
+}
+.login-subtitle {
+  font-size: 0.88rem;
+  color: rgba(255, 255, 255, 0.45);
+  margin: 0;
+}
+.login-form .form-group {
+  margin-bottom: 20px;
+}
+.login-form .form-group label {
+  display: block;
+  font-size: 0.82rem;
+  font-weight: 500;
+  color: rgba(255, 255, 255, 0.6);
+  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);
+  border-radius: 10px;
+  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%);
+  background: none;
+  border: none;
+  cursor: pointer;
+  font-size: 1rem;
+  opacity: 0.5;
+  transition: opacity 150ms;
+  padding: 4px;
+}
+.password-toggle:hover {
+  opacity: 0.9;
+}
+.form-group--inline {
+  display: flex;
+  align-items: center;
+}
+.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;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  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%;
+  border-collapse: collapse;
+  font-size: 0.82rem;
+}
+.admin-table th,
+.admin-table td {
+  padding: 10px 12px;
+  text-align: left;
+  border-bottom: 1px solid var(--border);
+}
+.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;
+  border-radius: 10px;
+  font-size: 0.72rem;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.03em;
+}
+.admin-role-admin {
+  background: rgba(59, 130, 246, 0.15);
+  color: #3b82f6;
+}
+.admin-role-user {
+  background: rgba(34, 197, 94, 0.12);
+  color: #22c55e;
+}
+.admin-vaults-text {
+  font-size: 0.78rem;
+  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;
+  align-items: center;
+  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 {
+  display: block;
+  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;
+  outline: none;
+  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 {
+  display: flex;
+  justify-content: flex-end;
+  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 */
+.recent-item-header {
+  display: flex;
+  justify-content: space-between;
+  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;
+}
+
+/* Titre */
+.recent-item-title {
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 2px;
+}
+
+/* Breadcrumb path */
+.recent-item-path {
+  font-size: 11px;
+  color: var(--text-muted);
+  margin-bottom: 4px;
+  font-family: monospace;
+}
+
+/* Preview */
+.recent-item-preview {
+  font-size: 12px;
+  color: var(--text-muted);
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  line-height: 1.4;
+  margin-bottom: 5px;
+}
+
+/* Tags */
+.recent-item-tags {
+  display: flex;
+  flex-wrap: wrap;
+  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);
+}
+
+/* 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);
+}
+
+.find-in-page-bar[hidden] {
+  display: none;
+}
+
+/* Contenu de la barre */
+.find-in-page-content {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  flex-wrap: wrap;
+}
+
+/* Icône de recherche */
+.find-icon {
+  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;
+}
+
+/* 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;
+}
+
+.find-btn:hover:not(:disabled) {
+  border-color: var(--accent);
+  color: var(--accent);
+  background: color-mix(in srgb, var(--accent) 10%, var(--bg-primary));
+}
+
+.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;
+  }
+
+  .find-options {
+    padding-left: 6px;
+  }
+}
+
+/* ===== PWA STYLES ===== */
+
+/* PWA Update Notification */
+.pwa-update-notification {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  z-index: 10000;
+  animation: slideInUp 0.3s ease-out;
+}
+
+.pwa-update-content {
+  background: var(--accent);
+  color: white;
+  padding: 16px 20px;
+  border-radius: var(--radius);
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  max-width: 400px;
+}
+
+.pwa-update-content span {
+  flex: 1;
+  font-size: 0.9rem;
+  font-weight: 500;
+}
+
+.pwa-update-btn {
+  background: white;
+  color: var(--accent);
+  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;
+}
+
+.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;
+  align-items: center;
+  justify-content: center;
+  opacity: 0.8;
+  transition: opacity 0.2s ease;
+}
+
+.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;
+}
+
+#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
+   --------------------------------------------------------------------------- */
+
+.dashboard-home {
+  padding: 0;
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  gap: 32px;
+}
+
+.dashboard-section {
+  display: flex;
+  flex-direction: column;
+}
+
+.dashboard-header {
+  margin-bottom: 20px;
+}
+
+.dashboard-title-row {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 16px;
+}
+
+.dashboard-icon {
+  width: 28px;
+  height: 28px;
+  color: var(--accent);
+}
+
+.dashboard-title-row h2 {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.4rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.dashboard-filter-row {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.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;
+}
+
+.dashboard-select:focus {
+  outline: none;
+  border-color: var(--accent);
+}
+
+.dashboard-count {
+  font-size: 12px;
+  color: var(--text-muted);
+  padding: 4px 10px;
+  background: var(--bg-secondary);
+  border-radius: 12px;
+}
+
+/* Grid */
+.dashboard-recent-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+  gap: 16px;
+  flex: 1;
+  width: 100%;
+}
+
+@media (max-width: 1200px) {
+  .dashboard-recent-grid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+
+@media (max-width: 768px) {
+  .dashboard-home {
+    padding: 16px;
+  }
+
+  .dashboard-recent-grid {
+    grid-template-columns: 1fr;
+  }
+
+  .dashboard-title-row h2 {
+    font-size: 1.2rem;
+  }
+}
+
+/* Card */
+.dashboard-card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 12px;
+  cursor: pointer;
+  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  animation: fadeSlideIn 0.3s ease forwards;
+  opacity: 0;
+}
+
+.dashboard-card:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
+  border-color: var(--accent);
+}
+
+.dashboard-card:active {
+  transform: translateY(0);
+}
+
+@keyframes fadeSlideIn {
+  from {
+    opacity: 0;
+    transform: translateY(10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+/* Staggered animation for cards */
+.dashboard-card:nth-child(1) {
+  animation-delay: 0ms;
+}
+.dashboard-card:nth-child(2) {
+  animation-delay: 50ms;
+}
+.dashboard-card:nth-child(3) {
+  animation-delay: 100ms;
+}
+.dashboard-card:nth-child(4) {
+  animation-delay: 150ms;
+}
+.dashboard-card:nth-child(5) {
+  animation-delay: 200ms;
+}
+.dashboard-card:nth-child(6) {
+  animation-delay: 250ms;
+}
+.dashboard-card:nth-child(7) {
+  animation-delay: 300ms;
+}
+.dashboard-card:nth-child(8) {
+  animation-delay: 350ms;
+}
+.dashboard-card:nth-child(9) {
+  animation-delay: 400ms;
+}
+
+/* Card header */
+.dashboard-card-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 8px;
+}
+
+.dashboard-card-icon {
+  width: 40px;
+  height: 40px;
+  padding: 4px;
+  background: transparent;
+  border: 2px solid var(--accent);
+  border-radius: 8px;
+  color: var(--accent);
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.dashboard-card-icon svg {
+  width: 24px;
+  height: 24px;
+}
+
+.dashboard-vault-badge {
+  font-size: 10px;
+  font-weight: 600;
+  padding: 3px 8px;
+  border-radius: 10px;
+  background: var(--bg-primary);
+  color: var(--text-secondary);
+  border: 1px solid var(--border);
+  margin-right: auto;
+}
+
+.dashboard-card-bookmark-btn {
+  background: transparent;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  padding: 4px;
+  border-radius: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: all 0.2s ease;
+}
+
+.dashboard-card-bookmark-btn:hover {
+  background: var(--bg-primary);
+  color: var(--accent);
+}
+
+.dashboard-card-bookmark-btn.active {
+  color: var(--accent-green);
+}
+
+/* Card title */
+.dashboard-card-title {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin: 0;
+  line-height: 1.4;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  line-clamp: 2;
+  -webkit-box-orient: vertical;
+}
+
+/* Card path */
+.dashboard-card-path {
+  font-size: 11px;
+  color: var(--text-muted);
+  font-family: "JetBrains Mono", monospace;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+/* Card preview */
+.dashboard-card-preview {
+  display: none;
+}
+
+/* Card footer */
+.dashboard-card-footer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  margin-top: 4px;
+  padding-top: 6px;
+  border-top: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
+}
+
+.dashboard-card-time {
+  font-size: 11px;
+  color: var(--text-muted);
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.dashboard-card-time svg {
+  width: 12px;
+  height: 12px;
+}
+
+/* Card tags */
+.dashboard-card-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+
+.dashboard-card-tags .tag-pill {
+  font-size: 10px;
+  padding: 2px 6px;
+  border-radius: 8px;
+  background: var(--bg-tertiary);
+  color: var(--accent);
+  border: 1px solid var(--border);
+}
+
+/* Empty state */
+.dashboard-recent-empty {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 48px 24px;
+  color: var(--text-muted);
+  gap: 12px;
+  text-align: center;
+  flex: 1;
+}
+
+.dashboard-recent-empty svg {
+  width: 48px;
+  height: 48px;
+  opacity: 0.4;
+}
+
+.dashboard-recent-empty span {
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.dashboard-recent-empty p {
+  font-size: 13px;
+  margin: 0;
+  opacity: 0.7;
+}
+
+/* Loading skeletons */
+.dashboard-loading {
+  display: none;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 16px;
+}
+
+.dashboard-loading.active {
+  display: grid;
+}
+
+@media (max-width: 1200px) {
+  .dashboard-loading {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+
+@media (max-width: 768px) {
+  .dashboard-loading {
+    grid-template-columns: 1fr;
+  }
+}
+
+.skeleton-card {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 16px;
+  height: 160px;
+  position: relative;
+  overflow: hidden;
+}
+
+.skeleton-card::after {
+  content: "";
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
+  animation: shimmer 1.5s infinite;
+}
+
+@keyframes shimmer {
+  0% {
+    transform: translateX(-100%);
+  }
+  100% {
+    transform: translateX(100%);
+  }
+}
+
+/* ===== CONTEXT MENU ===== */
+.context-menu {
+  position: fixed;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
+  min-width: 200px;
+  z-index: 10000;
+  padding: 4px;
+  display: none;
+}
+
+.context-menu.active {
+  display: block;
+}
+
+.context-menu-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 12px;
+  border-radius: 6px;
+  cursor: pointer;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-primary);
+  transition: all 150ms ease;
+}
+
+.context-menu-item:hover:not(.disabled) {
+  background: var(--bg-hover);
+  color: var(--accent);
+}
+
+.context-menu-item.disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.context-menu-item .icon {
+  width: 16px;
+  height: 16px;
+  flex-shrink: 0;
+}
+
+.context-menu-separator {
+  height: 1px;
+  background: var(--border);
+  margin: 4px 0;
+}
+
+/* ===== INLINE RENAME ===== */
+.sidebar-item-input {
+  width: 100%;
+  padding: 4px 8px;
+  background: var(--bg-primary);
+  border: 1px solid var(--accent);
+  border-radius: 4px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  outline: none;
+}
+
+/* ===== VAULT READONLY BADGE ===== */
+.vault-readonly-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 6px;
+  background: var(--danger-bg);
+  color: var(--danger);
+  border-radius: 4px;
+  font-size: 0.7rem;
+  font-weight: 600;
+  margin-left: 6px;
+}
+
+/* ===== OBSIGATE MODALS ===== */
+.obsigate-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: var(--overlay-bg);
+  z-index: 9999;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 200ms ease;
+}
+
+.obsigate-modal-overlay.active {
+  opacity: 1;
+  pointer-events: all;
+}
+
+.obsigate-modal {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
+  min-width: 400px;
+  max-width: 600px;
+  transform: scale(0.9);
+  transition: transform 200ms ease;
+}
+
+.obsigate-modal-overlay.active .obsigate-modal {
+  transform: scale(1);
+}
+
+.obsigate-modal-header {
+  padding: 16px 20px;
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.obsigate-modal-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.1rem;
+  font-weight: 700;
+  color: var(--text-primary);
+}
+
+.obsigate-modal-body {
+  padding: 20px;
+}
+
+.obsigate-modal-footer {
+  padding: 16px 20px;
+  border-top: 1px solid var(--border);
+  display: flex;
+  gap: 10px;
+  justify-content: flex-end;
+}
+
+.modal-input {
+  width: 100%;
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  outline: none;
+  transition: border-color 200ms ease;
+}
+
+.modal-input:focus {
+  border-color: var(--accent);
+}
+
+.modal-input.error {
+  border-color: var(--danger);
+}
+
+.modal-label {
+  display: block;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.85rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  margin-bottom: 8px;
+}
+
+.modal-hint {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  margin-top: 6px;
+}
+
+.modal-error {
+  font-size: 0.8rem;
+  color: var(--danger);
+  margin-top: 6px;
+}
+
+.modal-select {
+  width: 100%;
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  outline: none;
+  cursor: pointer;
+  transition: border-color 200ms ease;
+}
+
+.modal-select:focus {
+  border-color: var(--accent);
+}
+
+.modal-btn {
+  padding: 8px 16px;
+  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;
+  cursor: pointer;
+  transition: all 150ms ease;
+}
+
+.modal-btn:hover {
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+.modal-btn.primary {
+  background: var(--accent);
+  color: white;
+  border-color: var(--accent);
+}
+
+.modal-btn.primary:hover {
+  opacity: 0.9;
+}
+
+.modal-btn.danger {
+  background: var(--danger);
+  color: white;
+  border-color: var(--danger);
+}
+
+.modal-btn.danger:hover {
+  opacity: 0.9;
+}
+
+.modal-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.modal-form-group {
+  margin-bottom: 16px;
+}
+
+.modal-form-group:last-child {
+  margin-bottom: 0;
+}
+
+.modal-warning {
+  padding: 12px;
+  background: var(--danger-bg);
+  border: 1px solid var(--danger);
+  border-radius: 6px;
+  color: var(--danger);
+  font-size: 0.85rem;
+  margin-bottom: 16px;
+  display: flex;
+  align-items: flex-start;
+  gap: 10px;
+}
+
+.modal-warning .icon {
+  flex-shrink: 0;
+  margin-top: 2px;
+}
+
+/* ===== TAB BAR ===== */
+.tab-bar {
+  display: flex;
+  align-items: stretch;
+  background: var(--bg-secondary);
+  border-bottom: 1px solid var(--border);
+  overflow: hidden;
+  flex-shrink: 0;
+  min-height: 36px;
+}
+
+.tab-bar[hidden] {
+  display: none;
+}
+
+.tab-list {
+  display: flex;
+  align-items: stretch;
+  overflow-x: auto;
+  overflow-y: hidden;
+  flex: 1;
+  scrollbar-width: thin;
+}
+
+.tab-list::-webkit-scrollbar {
+  height: 3px;
+}
+
+.tab-item {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  font-size: 0.8rem;
+  color: var(--text-muted);
+  cursor: pointer;
+  white-space: nowrap;
+  border-right: 1px solid var(--border);
+  background: transparent;
+  transition: background 0.15s, color 0.15s;
+  user-select: none;
+  position: relative;
+  min-width: 0;
+  flex-shrink: 0;
+}
+
+.tab-item:hover {
+  background: var(--bg-hover);
+  color: var(--text-secondary);
+}
+
+.tab-item.active {
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  border-bottom: 2px solid var(--accent);
+  margin-bottom: -1px;
+}
+
+.tab-item .tab-icon {
+  width: 14px;
+  height: 14px;
+  flex-shrink: 0;
+  opacity: 0.7;
+}
+
+.tab-item .tab-name {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 150px;
+}
+
+/* Preview tab (single-click) — italic title, slightly muted */
+.tab-item.preview .tab-name {
+  font-style: italic;
+  opacity: 0.75;
+}
+.tab-item.preview {
+  background: var(--bg-hover);
+}
+
+.tab-item .tab-close {
+  width: 16px;
+  height: 16px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 3px;
+  flex-shrink: 0;
+  opacity: 0;
+  transition: opacity 0.15s, background 0.15s;
+}
+
+.tab-item:hover .tab-close,
+.tab-item.active .tab-close {
+  opacity: 0.6;
+}
+
+.tab-item .tab-close:hover {
+  opacity: 1;
+  background: var(--bg-hover);
+}
+
+.tab-item.dragging {
+  opacity: 0.5;
+  background: var(--bg-hover);
+}
+
+.tab-drop-indicator {
+  width: 2px;
+  background: var(--accent);
+  flex-shrink: 0;
+}
+
+/* ── Backlinks panel ── */
+.backlinks-panel {
+  margin-top: 24px;
+  padding: 12px 16px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 8px;
+  border: 1px solid var(--border);
+}
+.backlinks-header {
+  font-size: 0.8rem;
+  font-weight: 600;
+  color: var(--text-muted);
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  margin-bottom: 8px;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+.backlinks-list {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+.backlink-item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 8px;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: background 0.15s;
+}
+.backlink-item:hover {
+  background: var(--bg-hover);
+}
+.backlink-vault {
+  font-size: 0.7rem;
+  color: var(--accent);
+  background: var(--accent-bg, rgba(99, 102, 241, 0.1));
+  padding: 1px 6px;
+  border-radius: 3px;
+}
+.backlink-title {
+  font-size: 0.85rem;
+  color: var(--text-primary);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+/* ── Unsupported file notice ── */
+.unsupported-file {
+  padding: 40px;
+  text-align: center;
+  color: var(--text-muted);
+}
+.unsupported-file i {
+  display: block;
+  margin: 0 auto 12px;
+  opacity: 0.4;
+}
+.unsupported-file .filename {
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+  word-break: break-all;
+}
+.unsupported-file .btn-action {
+  margin-top: 12px;
+  display: inline-flex;
+}
+
+/* ── Dashboard Stats Grid ── */
+.dashboard-stats-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
+  gap: 12px;
+}
+.stat-card {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 16px 12px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 8px;
+  border: 1px solid var(--border);
+}
+.stat-icon {
+  width: 24px;
+  height: 24px;
+  opacity: 0.6;
+  margin-bottom: 8px;
+  color: var(--accent);
+}
+.stat-value {
+  font-size: 1.4rem;
+  font-weight: 700;
+  color: var(--text-primary);
+}
+.stat-label {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  margin-top: 2px;
+}
+.dashboard-stats-loading {
+  padding: 16px;
+  text-align: center;
+  color: var(--text-muted);
+}
+
+/* ── Dashboard Conflicts ── */
+.dashboard-conflicts-grid {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+.conflict-card {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 10px 14px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 6px;
+  border: 1px solid var(--border);
+  gap: 12px;
+}
+.conflict-info {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  min-width: 0;
+}
+.conflict-vault {
+  font-size: 0.7rem;
+  color: var(--accent);
+  background: var(--accent-bg, rgba(99,102,241,0.1));
+  padding: 1px 6px;
+  border-radius: 3px;
+  align-self: flex-start;
+}
+.conflict-name {
+  font-size: 0.85rem;
+  font-weight: 500;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.conflict-date {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+}
+.conflict-actions {
+  display: flex;
+  gap: 8px;
+  flex-shrink: 0;
+}
+.conflict-btn {
+  padding: 4px 10px;
+  font-size: 0.75rem;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  cursor: pointer;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  white-space: nowrap;
+}
+.conflict-btn:hover { background: var(--bg-hover); }
+
+/* ── Quick Help (Dashboard) ── */
+.quick-help {
+  margin-top: 16px;
+  background: var(--bg-card, var(--bg-secondary));
+  border: 1px solid var(--border);
+  border-radius: var(--radius-lg);
+  overflow: hidden;
+}
+.qh-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 14px;
+  font-size: 0.8rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  border-bottom: 1px solid var(--border);
+  user-select: none;
+}
+.qh-header i { color: var(--accent); opacity: 0.7; }
+.qh-toggle {
+  margin-left: auto;
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 1rem;
+  line-height: 1;
+  padding: 2px 6px;
+  border-radius: 4px;
+}
+.qh-toggle:hover { color: var(--text-secondary); background: var(--bg-hover); }
+.qh-body {
+  padding: 10px 14px 14px;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
+  gap: 6px 20px;
+}
+.qh-body.collapsed { display: none; }
+.qh-row {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 4px 0;
+}
+.qh-kbd {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  font-family: var(--mono);
+  font-size: 0.7rem;
+  font-weight: 500;
+  color: var(--accent-text, #79c0ff);
+  background: var(--accent-bg, #1f2a3a);
+  border: 1px solid var(--border-md, #30363d);
+  border-radius: 4px;
+  white-space: nowrap;
+  min-width: 0;
+  letter-spacing: 0.3px;
+}
+.qh-desc {
+  font-size: 0.78rem;
+  color: var(--text-secondary);
+}
+.qh-divider {
+  grid-column: 1 / -1;
+  height: 1px;
+  background: var(--border);
+  margin: 6px 0 8px;
+}
+.qh-tip {
+  grid-column: 1 / -1;
+  display: flex;
+  align-items: flex-start;
+  gap: 8px;
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  line-height: 1.5;
+}
+.qh-tip i { color: var(--warn); flex-shrink: 0; margin-top: 1px; }
+.qh-tip strong { color: var(--text-secondary); }
+
+/* ── Webhooks UI ── */
+.webhook-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 10px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 6px;
+  margin-bottom: 6px;
+  font-size: 0.8rem;
+}
+.webhook-name { font-weight: 500; min-width: 80px; }
+.webhook-url { color: var(--accent); overflow: hidden; text-overflow: ellipsis; flex: 1; }
+.webhook-events { color: var(--text-muted); font-size: 0.7rem; }
+.webhook-delete { background: none; border: none; color: var(--text-error); cursor: pointer; font-size: 1rem; padding: 2px 6px; }
+.config-add-row { display: flex; gap: 8px; margin-top: 8px; }
+.config-btn-add { padding: 6px 14px; background: var(--accent); color: #fff; border: none; border-radius: 6px; cursor: pointer; font-size: 0.8rem; }
+
+/* ── Shares UI ── */
+.share-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 10px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 6px;
+  margin-bottom: 6px;
+  font-size: 0.8rem;
+}
+.share-path { font-weight: 500; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
+.share-url a { color: var(--accent); font-size: 0.75rem; }
+.share-meta { color: var(--text-muted); font-size: 0.7rem; }
+.share-revoke { background: none; border: 1px solid var(--text-error); color: var(--text-error); cursor: pointer; padding: 2px 8px; border-radius: 4px; font-size: 0.7rem; }
+
+/* ── Share Dialog ── */
+.share-dialog-overlay {
+  position: fixed;
+  top: 0; left: 0; right: 0; bottom: 0;
+  background: rgba(0,0,0,0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 10000;
+}
+.share-dialog {
+  background: var(--bg-primary);
+  border-radius: 12px;
+  padding: 24px;
+  max-width: 480px;
+  width: 90%;
+  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
+}
+.share-dialog h3 { margin: 0 0 4px; }
+.share-url-input {
+  width: 100%;
+  padding: 8px 12px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  font-size: 0.8rem;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  box-sizing: border-box;
+}
+.share-dialog-actions {
+  display: flex;
+  gap: 8px;
+  margin-top: 12px;
+  justify-content: flex-end;
+}
+.share-copy-btn {
+  padding: 6px 16px;
+  background: var(--accent);
+  color: #fff;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 0.85rem;
+}
+.share-close-btn {
+  padding: 6px 16px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 0.85rem;
+}
+.share-create-btn {
+  padding: 6px 16px;
+  background: var(--accent);
+  color: #fff;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 0.85rem;
+}
+.share-revoke-btn {
+  padding: 6px 16px;
+  background: none;
+  color: var(--text-error);
+  border: 1px solid var(--text-error);
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 0.85rem;
+}
+
+/* ── Enhanced Search Bar Toggles ── */
+.search-actions .tog {
+  font-family: var(--font-mono, monospace);
+  font-size: 10px;
+  font-weight: 600;
+  padding: 2px 5px;
+  border-radius: 3px;
+  min-width: auto;
+  line-height: 1.4;
+}
+.search-actions .tog.active {
+  color: var(--accent);
+  border-color: var(--accent);
+  background: rgba(99, 102, 241, 0.12);
+}
+.search-actions .icon-only {
+  padding: 2px 4px;
+  min-width: auto;
+}
+.search-sep {
+  width: 1px;
+  height: 16px;
+  background: var(--border);
+  margin: 0 2px;
+  align-self: center;
+}
+.search-count {
+  font-size: 10px;
+  color: var(--text-muted);
+  font-family: var(--font-mono, monospace);
+  white-space: nowrap;
+  min-width: 28px;
+  text-align: center;
+}
+.search-filter-row, .search-replace-row {
+  display: flex;
+  gap: 6px;
+  align-items: center;
+  padding: 4px 0 0 0;
+}
+.search-filter-input {
+  flex: 1;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  color: var(--text-primary);
+  font-family: var(--font-mono, monospace);
+  font-size: 11px;
+  padding: 4px 8px;
+  outline: none;
+}
+.search-filter-input:focus { border-color: var(--accent); }
+.search-filter-input::placeholder { color: var(--text-muted); }
+
+/* ── Floating Results Bar ── */
+.results-bar {
+  position: fixed;
+  bottom: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  margin: 0 auto;
+  padding: 6px 10px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-md, var(--border));
+  border-radius: 10px;
+  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
+  width: fit-content;
+  max-width: 95%;
+  z-index: 50;
+  backdrop-filter: blur(8px);
+}
+.results-bar-count {
+  font-size: 10px;
+  color: var(--text-muted);
+  font-family: var(--mono);
+  white-space: nowrap;
+  min-width: 28px;
+  text-align: center;
+  padding: 0 4px;
+}
+.results-bar-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 24px;
+  height: 24px;
+  border: 1px solid transparent;
+  border-radius: 4px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  font-size: 12px;
+  transition: background 0.15s, color 0.15s, border-color 0.15s;
+}
+.results-bar-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
+.results-bar-btn.tog {
+  font-family: var(--mono);
+  font-size: 10px;
+  font-weight: 600;
+  width: auto;
+  padding: 2px 5px;
+}
+.results-bar-btn.tog.active {
+  color: var(--accent);
+  border-color: var(--accent);
+  background: rgba(99,102,241,0.12);
+}
+.results-bar-sep {
+  width: 1px;
+  height: 16px;
+  background: var(--border);
+  margin: 0 6px;
+  align-self: center;
+}
+.search-replace-btn {
+  padding: 4px 10px;
+  font-size: 11px;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  cursor: pointer;
+  white-space: nowrap;
+}
+.search-replace-btn:hover { background: var(--bg-hover); }
+.search-replace-btn.destructive { border-color: var(--text-error); color: var(--text-error); }
+
+/* ── Active search result highlight ── */
+.btn-bookmark.active {
+  color: #059669;
+  border-color: #059669;
+  background: rgba(5, 150, 105, 0.08);
+}
+.btn-bookmark.active:hover {
+  background: rgba(5, 150, 105, 0.15);
+}
+
+.btn-share.shared {
+  color: #059669;
+  border-color: #059669;
+  background: rgba(5, 150, 105, 0.08);
+}
+.btn-share.shared:hover {
+  background: rgba(5, 150, 105, 0.15);
+}
+
+/* ── Shared Cards ── */
+.shared-card {
+  padding: 10px 14px;
+  background: var(--bg-card, var(--bg-secondary));
+  border-radius: 6px;
+  border: 1px solid var(--border);
+  cursor: pointer;
+  transition: background 0.15s;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+.shared-card:hover { background: var(--bg-hover); }
+.shared-card-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+.shared-card-title { font-weight: 500; font-size: 0.85rem; }
+.shared-card-vault {
+  font-size: 0.65rem;
+  color: var(--accent);
+  background: var(--accent-bg, rgba(99,102,241,0.1));
+  padding: 1px 6px;
+  border-radius: 3px;
+  margin-left: auto;
+}
+.shared-card-meta {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+  display: flex;
+  gap: 12px;
+}
+.shared-card-actions {
+  display: flex;
+  gap: 6px;
+}
+.shared-card-actions button {
+  font-size: 0.7rem;
+  padding: 2px 8px;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  cursor: pointer;
+}
+.shared-card-actions button:hover { background: var(--bg-hover); }
+
+/* ── Dashboard Tab Navigation ── */
+.dashboard-tabs {
+  display: flex;
+  gap: 2px;
+  margin-bottom: 16px;
+  border-bottom: 2px solid var(--border);
+}
+.dashboard-tab {
+  padding: 8px 16px;
+  border: none;
+  background: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  font-size: 0.85rem;
+  font-weight: 500;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  border-bottom: 2px solid transparent;
+  margin-bottom: -2px;
+  transition: color 0.15s, border-color 0.15s;
+}
+.dashboard-tab:hover { color: var(--text-primary); }
+.dashboard-tab.active {
+  color: var(--accent);
+  border-bottom-color: var(--accent);
+}
+.dashboard-panel {
+  display: none;
+}
+.dashboard-panel.active {
+  display: block;
+}
+
+/* ═══════════════════════════════════════════════════════════════════
+   Command Palette (Ctrl+P)
+   ═══════════════════════════════════════════════════════════════════ */
+
+.command-palette-overlay {
+  position: fixed;
+  top: 0; left: 0; right: 0; bottom: 0;
+  background: 0 0;
+  z-index: 10000;
+  display: flex;
+  justify-content: center;
+  padding-top: 12vh;
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.1s ease, background 0.1s ease;
+}
+
+.command-palette-overlay.active {
+  opacity: 1;
+  background: var(--overlay-bg);
+  pointer-events: auto;
+}
+
+.command-palette {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  box-shadow: 0 8px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.03);
+  width: 580px;
+  max-width: calc(100vw - 40px);
+  max-height: 60vh;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  animation: cp-slide-in 0.12s ease-out;
+}
+
+@keyframes cp-slide-in {
+  from { transform: translateY(-12px); opacity: 0; }
+  to { transform: translateY(0); opacity: 1; }
+}
+
+.cp-header {
+  display: flex;
+  align-items: center;
+  border-bottom: 1px solid var(--border);
+  padding: 0 14px;
+}
+
+.cp-input {
+  flex: 1;
+  border: none;
+  background: none;
+  padding: 14px 0;
+  font-size: 16px;
+  color: var(--text-primary);
+  outline: none;
+  font-family: inherit;
+}
+
+.cp-input::placeholder {
+  color: var(--text-muted);
+}
+
+.cp-hint {
+  font-size: 11px;
+  color: var(--text-muted);
+  background: var(--bg-hover);
+  padding: 3px 8px;
+  border-radius: 4px;
+  font-family: "JetBrains Mono", monospace;
+  opacity: 0.7;
+}
+
+.cp-results {
+  flex: 1;
+  overflow-y: auto;
+  padding: 6px 0;
+  max-height: 40vh;
+}
+
+.cp-empty {
+  padding: 24px 16px;
+  text-align: center;
+  color: var(--text-muted);
+  font-size: 13px;
+}
+
+.cp-error {
+  color: var(--accent-orange, #d29922);
+}
+
+.cp-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 8px 14px;
+  cursor: pointer;
+  border-left: 3px solid transparent;
+}
+
+.cp-item:hover {
+  background: var(--bg-hover);
+  border-left-color: var(--accent);
+}
+
+.cp-item.cp-selected {
+  background: var(--accent-bg);
+  border-left-color: var(--accent);
+}
+
+.cp-item-label {
+  font-size: 14px;
+  color: var(--text-primary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.cp-item-sublabel {
+  font-size: 11px;
+  color: var(--text-muted);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 45%;
+  text-align: right;
+  margin-left: 12px;
+}
+
+.cp-footer {
+  display: flex;
+  gap: 14px;
+  padding: 8px 14px;
+  border-top: 1px solid var(--border);
+  font-size: 11px;
+  color: var(--text-muted);
+}
+
+.cp-footer span {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.cp-footer span::before {
+  content: '';
+  display: inline-block;
+  width: 3px; height: 3px;
+  background: var(--text-muted);
+  border-radius: 50%;
+  margin-right: 4px;
+}
+
+.cp-footer span:first-child::before { display: none; }
+
+/* ── Breadcrumb ── */
+.cp-breadcrumb {
+  display: none;
+  align-items: center;
+  gap: 2px;
+  padding: 8px 14px;
+  font-size: 12px;
+  color: var(--text-secondary);
+  background: var(--bg-primary);
+  border-bottom: 1px solid var(--border);
+  overflow-x: auto;
+  white-space: nowrap;
+  scrollbar-width: none;
+}
+.cp-breadcrumb::-webkit-scrollbar { display: none; }
+.cp-bc-root { font-weight: 600; color: var(--accent); }
+.cp-bc-sep { color: var(--text-muted); padding: 0 2px; }
+.cp-bc-item { cursor: pointer; padding: 1px 4px; border-radius: 3px; }
+.cp-bc-item:hover { background: var(--bg-hover); }
+
+/* ── Name input ── */
+.cp-name-input {
+  display: flex;
+  flex-direction: column;
+  padding: 8px 14px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-primary);
+}
+.cp-name-field {
+  width: 100%;
+  border: 1px solid var(--border);
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  padding: 10px 12px;
+  border-radius: 6px;
+  font-size: 14px;
+  font-family: inherit;
+  outline: none;
+  transition: border-color 0.15s;
+}
+.cp-name-field:focus { border-color: var(--accent); }
+.cp-name-hint {
+  font-size: 11px;
+  color: var(--text-muted);
+  margin-top: 6px;
+}
+
+/* Browse filter in command palette */
+.cp-browse-filter {
+  width: calc(100% - 24px);
+  margin: 8px 12px 4px;
+  padding: 7px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  font-size: 0.8rem;
+  font-family: inherit;
+  outline: none;
+  transition: border-color 0.15s;
+}
+.cp-browse-filter:focus { border-color: var(--accent); }
+.cp-browse-filter::placeholder { color: var(--text-muted); }
+
+/* ── Help Modal: Mobile responsive ── */
+@media (max-width: 768px) {
+  .help-container,
+  .editor-container.help-container {
+    max-width: 100vw;
+    width: 100vw;
+    height: 100vh;
+    max-height: 100vh;
+    border-radius: 0;
+    box-sizing: border-box;
+  }
+
+  .help-hamburger {
+    display: inline-flex;
+  }
+
+  /* TOC: collapsible block at top (not slide-over) */
+  .help-nav {
+    position: static;
+    width: 100%;
+    min-width: 0;
+    max-width: 100%;
+    max-height: none;
+    height: auto;
+    z-index: auto;
+    transform: none;
+    transition: none;
+    border-right: none;
+    border-bottom: 1px solid var(--border);
+    box-shadow: none;
+    flex-shrink: 0;
+    display: none;
+    box-sizing: border-box;
+  }
+  .help-nav-header {
+    padding: 10px 16px 6px;
+  }
+
+  /* Content full-width */
+  .help-body {
+    flex-direction: column;
+    overflow-y: auto;
+    overflow-x: hidden;
+    padding: 0;
+    width: 100%;
+    box-sizing: border-box;
+  }
+  .help-content {
+    padding: 14px 14px 40px;
+    flex: 1;
+    overflow-y: auto;
+    overflow-x: hidden;
+    -webkit-overflow-scrolling: touch;
+    word-break: break-word;
+    width: 100%;
+    max-width: 100%;
+    box-sizing: border-box;
+  }
+  .help-content pre, .help-content code, .help-content table {
+    max-width: 100%;
+    overflow-x: auto;
+  }
+  .help-content:focus { outline: none; }
+  .help-hero {
+    flex-direction: column;
+    gap: 16px;
+    min-width: 0;
+    width: 100%;
+    box-sizing: border-box;
+    padding: 20px 16px;
+  }
+  .help-hero-copy {
+    min-width: 0;
+    width: 100%;
+  }
+  .help-badges {
+    flex-wrap: wrap;
+    gap: 6px;
+  }
+  .help-badge {
+    white-space: normal;
+  }
+  .help-hero-visual { display: none; }
+  .help-section {
+    padding: 20px 0 16px;
+    min-width: 0;
+    width: 100%;
+    box-sizing: border-box;
+  }
+  .help-nav-link {
+    padding: 10px 12px;
+    font-size: 0.88rem;
+  }
+}
+
+/* ══════════════════════════════════════════
+   Mobile Bottom Toolbar (Obsidian-style)
+   ══════════════════════════════════════════ */
+.mobile-toolbar {
+  display: none;
+}
+.vault-context-bar {
+  display: none;
+}
+
+@media (max-width: 768px) {
+  .mobile-toolbar {
+    display: flex;
+    position: fixed;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    height: 56px;
+    background: var(--bg-secondary);
+    border-top: 1px solid var(--border);
+    z-index: 900;
+    align-items: center;
+    justify-content: space-around;
+    padding: 0 4px;
+    padding-bottom: env(safe-area-inset-bottom, 0);
+    -webkit-backdrop-filter: blur(12px);
+    backdrop-filter: blur(12px);
+  }
+
+  /* Push content up to avoid toolbar overlap */
+  .main-layout {
+    padding-bottom: 56px;
+    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0));
+  }
+  .editor-modal.active ~ .main-layout {
+    padding-bottom: 0;
+  }
+
+  /* Enable pull-to-refresh on mobile — unblock the overscroll chain */
+  html {
+    overscroll-behavior-y: auto;
+  }
+  body {
+    overflow-y: auto;
+    overscroll-behavior-y: auto;
+    height: 100vh;
+    height: 100dvh;
+  }
+  .app-container {
+    overflow-y: visible;
+  }
+  .main-layout {
+    overflow-y: visible;
+  }
+  .content-wrapper {
+    overflow: visible;
+  }
+  .content-area {
+    overscroll-behavior-y: auto;
+  }
+
+  /* Hide desktop tab bar on mobile (bottom toolbar has its own tab button) */
+  .tab-bar {
+    display: none !important;
+  }
+
+  /* Vault context indicator — hidden (now in header) */
+  .vault-context-bar {
+    display: none !important;
+  }
+  .vault-context-pill {
+    display: none;
+  }
+
+  .mt-btn {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 2px;
+    flex: 1;
+    height: 48px;
+    padding: 2px 4px;
+    border: none;
+    border-radius: 8px;
+    background: transparent;
+    color: var(--text-muted);
+    cursor: pointer;
+    transition: color 0.15s, background 0.15s;
+    position: relative;
+    -webkit-tap-highlight-color: transparent;
+  }
+  .mt-btn:active {
+    background: rgba(255,255,255,0.06);
+  }
+  .mt-btn svg {
+    flex-shrink: 0;
+  }
+  .mt-label {
+    font-size: 10px;
+    font-weight: 500;
+    line-height: 1;
+  }
+  .mt-btn-primary {
+    color: var(--accent);
+  }
+  .mt-btn-primary .mt-label {
+    color: var(--accent);
+  }
+
+  /* Tab count badge */
+  .mt-badge {
+    position: absolute;
+    top: 2px;
+    right: 50%;
+    transform: translateX(18px);
+    background: var(--accent);
+    color: #fff;
+    font-size: 9px;
+    font-weight: 700;
+    min-width: 16px;
+    height: 16px;
+    border-radius: 8px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 0 4px;
+    line-height: 1;
+  }
+
+  /* ── Tab Switcher Bottom Sheet ── */
+  .mt-overlay {
+    display: none;
+    position: fixed;
+    inset: 0;
+    background: rgba(0,0,0,0.5);
+    z-index: 950;
+    opacity: 0;
+    transition: opacity 0.25s;
+  }
+  .mt-overlay.visible {
+    display: block;
+    opacity: 1;
+  }
+
+  .mt-tab-switcher {
+    position: fixed;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    max-height: 60vh;
+    background: var(--bg-secondary);
+    border-radius: 16px 16px 0 0;
+    z-index: 960;
+    transform: translateY(100%);
+    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
+    display: flex;
+    flex-direction: column;
+    box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
+    padding-bottom: env(safe-area-inset-bottom, 0);
+  }
+  .mt-tab-switcher.open {
+    transform: translateY(0);
+  }
+
+  .mt-sheet-handle {
+    width: 36px;
+    height: 4px;
+    background: var(--border);
+    border-radius: 2px;
+    margin: 10px auto 6px;
+    flex-shrink: 0;
+  }
+
+  .mt-sheet-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 8px 16px 12px;
+    flex-shrink: 0;
+  }
+  .mt-sheet-title {
+    font-family: "JetBrains Mono", monospace;
+    font-size: 0.8rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+    color: var(--text-muted);
+  }
+  .mt-sheet-close {
+    width: 28px; height: 28px;
+    padding: 0;
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    background: transparent;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 12px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+  .mt-sheet-close:hover { color: var(--accent); border-color: var(--accent); }
+  .mt-sheet-actions {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+  }
+  .mt-sheet-close-all {
+    padding: 5px 10px;
+    border: 1px solid var(--danger, #ef4444);
+    border-radius: 6px;
+    background: transparent;
+    color: var(--danger, #ef4444);
+    cursor: pointer;
+    font-size: 0.7rem;
+    font-weight: 600;
+    transition: background 0.15s;
+  }
+  .mt-sheet-close-all:hover {
+    background: rgba(239,68,68,0.1);
+  }
+
+  .mt-sheet-list {
+    flex: 1;
+    overflow-y: auto;
+    padding: 0 12px 12px;
+    -webkit-overflow-scrolling: touch;
+  }
+
+  .mt-tab-item {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 12px;
+    border-radius: 8px;
+    cursor: pointer;
+    color: var(--text-primary);
+    font-size: 0.85rem;
+    transition: background 0.1s;
+    margin-bottom: 2px;
+  }
+  .mt-tab-item:active {
+    background: rgba(255,255,255,0.06);
+  }
+  .mt-tab-item.active {
+    background: color-mix(in srgb, var(--accent) 12%, transparent);
+    color: var(--accent);
+    font-weight: 600;
+  }
+  .mt-tab-item-icon {
+    flex-shrink: 0;
+    opacity: 0.6;
+  }
+  .mt-tab-item-name {
+    flex: 1;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  .mt-tab-item-close {
+    width: 24px; height: 24px;
+    padding: 0;
+    border: none;
+    border-radius: 4px;
+    background: transparent;
+    color: var(--text-muted);
+    cursor: pointer;
+    font-size: 14px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+  }
+  .mt-tab-item-close:hover {
+    color: var(--danger, #ef4444);
+    background: rgba(239,68,68,0.1);
+  }
+}
+
+/* ==========================================================================
+   Backup / Diff Viewer Modal
+   ========================================================================== */
+
+.backup-viewer-panel {
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: min(90vw, 960px);
+  height: min(85vh, 700px);
+  background: var(--bg-primary, #1e1e2e);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  z-index: 1001;
+}
+
+.backup-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 14px 18px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-secondary);
+  flex-shrink: 0;
+}
+
+.backup-header-left {
+  display: flex;
+  align-items: baseline;
+  gap: 10px;
+  min-width: 0;
+}
+
+.backup-header h3 {
+  margin: 0;
+  font-size: 1rem;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.backup-file-path {
+  font-size: 0.78rem;
+  color: var(--text-muted);
+  font-family: var(--font-mono, 'SF Mono', 'Fira Code', monospace);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.backup-header-right {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  flex-shrink: 0;
+}
+
+.backup-count {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  background: var(--bg-tertiary);
+  padding: 3px 8px;
+  border-radius: 4px;
+}
+
+.backup-close-btn {
+  width: 36px;
+  height: 36px;
+  padding: 0;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-primary);
+  color: var(--text-secondary);
+  cursor: pointer;
+  transition: all 150ms ease;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex: 0 0 auto;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
+}
+
+.backup-close-btn:hover {
+  color: var(--accent);
+  border-color: var(--accent);
+}
+
+.backup-toolbar {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 18px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-primary);
+  flex-shrink: 0;
+}
+
+.backup-selector-group {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.backup-selector-group label {
+  font-size: 0.78rem;
+  color: var(--text-muted);
+  white-space: nowrap;
+}
+
+.backup-select {
+  padding: 6px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  font-size: 0.8rem;
+  font-family: var(--font-mono);
+  max-width: 240px;
+  cursor: pointer;
+}
+
+.backup-select:focus {
+  outline: none;
+  border-color: var(--accent);
+}
+
+.backup-vs-label {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  font-weight: 600;
+  user-select: none;
+}
+
+.backup-restore-btn {
+  margin-left: auto;
+  padding: 6px 14px;
+  border: 1px solid var(--accent);
+  border-radius: 6px;
+  background: color-mix(in srgb, var(--accent) 10%, transparent);
+  color: var(--accent);
+  font-size: 0.8rem;
+  font-weight: 500;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  transition: background 0.15s, opacity 0.15s;
+  white-space: nowrap;
+}
+
+.backup-restore-btn:hover {
+  background: color-mix(in srgb, var(--accent) 20%, transparent);
+}
+
+.backup-restore-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.backup-restore-btn .icon-sm {
+  width: 14px;
+  height: 14px;
+}
+
+.backup-diff-container {
+  flex: 1;
+  overflow-y: auto;
+  background: var(--bg-primary);
+}
+
+.backup-diff-loading,
+.backup-diff-error,
+.backup-diff-empty {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  color: var(--text-muted);
+  font-size: 0.85rem;
+}
+
+.backup-diff-error {
+  color: var(--danger, #ef4444);
+}
+
+.backup-diff-output {
+  padding: 0;
+}
+
+.backup-diff-table {
+  width: 100%;
+  border-collapse: collapse;
+  font-family: var(--font-mono, 'SF Mono', 'Fira Code', 'Cascadia Code', monospace);
+  font-size: 0.8rem;
+  line-height: 1.55;
+  table-layout: fixed;
+}
+
+.backup-diff-table td {
+  padding: 0;
+}
+
+.backup-diff-table td.diff-prefix {
+  width: 22px;
+  text-align: center;
+  user-select: none;
+  font-weight: 600;
+  padding: 1px 0;
+  vertical-align: top;
+}
+
+.backup-diff-table td.diff-content {
+  padding: 1px 8px;
+  vertical-align: top;
+}
+
+.backup-diff-table td.diff-content pre {
+  margin: 0;
+  white-space: pre-wrap;
+  word-break: break-all;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+.backup-diff-table tr.diff-add td {
+  background: rgba(34, 197, 94, 0.12);
+}
+
+.backup-diff-table tr.diff-add td.diff-prefix {
+  color: #22c55e;
+}
+
+.backup-diff-table tr.diff-del td {
+  background: rgba(239, 68, 68, 0.12);
+}
+
+.backup-diff-table tr.diff-del td.diff-prefix {
+  color: #ef4444;
+}
+
+.backup-diff-table tr.diff-hunk td {
+  background: color-mix(in srgb, var(--accent) 8%, transparent);
+  color: var(--accent);
+  font-weight: 600;
+}
+
+.backup-diff-table tr.diff-header-line td {
+  background: var(--bg-secondary);
+  color: var(--text-muted);
+  font-weight: 600;
+}
+
+.backup-diff-table tr.diff-context td {
+  color: var(--text-secondary);
+}
+
+.backup-body {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  overflow: auto;
+}
+
+.backup-footer {
+  padding: 6px 18px;
+  border-top: 1px solid var(--border);
+  background: var(--bg-secondary);
+  flex-shrink: 0;
+}
+
+.backup-footer-hint {
+  font-size: 0.7rem;
+  color: var(--text-muted);
+}
+
+/* ── Side-by-side diff view ── */
+.backup-diff-sidebyside .sidebyside {
+  table-layout: fixed;
+}
+
+.backup-diff-sidebyside td.sidebyside-left {
+  border-right: 1px solid var(--border);
+}
+
+.backup-diff-sidebyside td.sidebyside-right {
+  border-left: 1px solid var(--border);
+}
+
+.backup-diff-sidebyside td.diff-empty-cell {
+  background: var(--bg-tertiary);
+}
+
+.backup-diff-mode-btn {
+  padding: 6px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 0.8rem;
+  transition: all 150ms ease;
+}
+
+.backup-diff-mode-btn:hover {
+  color: var(--accent);
+  border-color: var(--accent);
+}
+
+.backup-diff-mode-btn .icon-sm {
+  width: 14px;
+  height: 14px;
+}
+
+/* ── Backup Manager ── */
+.backup-manager {
+  padding: 16px 24px;
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+.backup-manager-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+  gap: 12px;
+}
+
+.backup-manager-header h2 {
+  margin: 0;
+  font-size: 1.1rem;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.backup-manager-actions {
+  display: flex;
+  gap: 6px;
+}
+
+.backup-manager-filter {
+  padding: 6px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  font-size: 0.8rem;
+  min-width: 200px;
+}
+
+.backup-manager-btn {
+  width: 32px; height: 32px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.backup-manager-btn:hover { color: var(--accent); border-color: var(--accent); }
+
+.backup-manager-stats { display: flex; gap: 16px; margin-bottom: 14px; }
+.bm-stat { font-size: 0.8rem; color: var(--text-muted); }
+
+.bm-vault-group { margin-bottom: 16px; }
+.bm-vault-name {
+  font-size: 0.85rem; font-weight: 600; margin: 0 0 6px 0;
+  display: flex; align-items: center; gap: 6px;
+}
+
+.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);
+  cursor: pointer; display: flex; align-items: center; justify-content: center;
+  transition: background 0.12s, color 0.12s;
+}
+.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;
+}
+.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;
+}
+.mermaid-toggle-btn.active {
+  background: var(--bg-primary); color: var(--text-primary);
+  box-shadow: 0 0 0 1px var(--border);
+}
+.mermaid-toggle-btn:first-child { border-right: 1px solid var(--border); }
+
+/* ── Body ── */
+.mermaid-body {
+  position: relative;
+}
+.mermaid-rendered {
+  padding: 16px;
+  overflow: hidden;
+  min-height: 80px;
+  display: flex;
+  justify-content: center;
+}
+.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);
+}
+
+/* ── 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;
+}
+.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;
+}
+/* Light theme — clean white like the example */
+[data-theme="light"] .mermaid-fullscreen-overlay {
+  background: rgba(255,255,255,0.97);
+}
+[data-theme="light"] .mermaid-fullscreen-header {
+  background: rgba(0,0,0,0.03);
+  border-bottom: 1px solid rgba(0,0,0,0.08);
+}
+[data-theme="light"] .mermaid-fullscreen-header .mermaid-diagram-type {
+  color: rgba(0,0,0,0.5);
+}
+[data-theme="light"] .mermaid-fullscreen-header .mermaid-btn {
+  color: rgba(0,0,0,0.4);
+}
+[data-theme="light"] .mermaid-fullscreen-header .mermaid-btn:hover {
+  background: rgba(0,0,0,0.05);
+  color: rgba(0,0,0,0.8);
+}
+
+/* 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 Modal ── */
 .about-overlay {