/* ==========================================================================
   MINDMAP PNS - UNIFIED WORLD-CLASS DESIGN SYSTEM
   Standardized with PNS Ecosystem (Colors, Containers, Buttons, Tabs, Dark Theme)
   Topbar Height <= 3cm (54px compact ribbon), Maximum Canvas Area
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: rgba(37, 99, 235, 0.08);
  --primary-glass: rgba(37, 99, 235, 0.05);
  --accent: #0284c7;
  --accent-light: rgba(2, 132, 199, 0.08);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  --bg-app: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  --bg-card-solid: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-input: #ffffff;
  --bg-hover: rgba(226, 232, 240, 0.6);
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.24);
  
  --shadow-sm: 0 2px 8px -1px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
  
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Manrope', sans-serif;
}

[data-theme="dark"],
body.dark,
body.theme-dark {
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.15);
  --primary-glass: rgba(59, 130, 246, 0.08);
  --accent: #38bdf8;
  --accent-light: rgba(56, 189, 248, 0.15);
  
  --bg-app: linear-gradient(135deg, #090d16 0%, #0f172a 100%);
  --bg-card-solid: #131b2e;
  --bg-card: rgba(19, 27, 46, 0.92);
  --bg-input: #0f172a;
  --bg-hover: rgba(148, 163, 184, 0.12);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(148, 163, 184, 0.16);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  font-size: 13px;
  color: var(--text-main);
  background: var(--bg-app);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

button, input, select {
  font-family: inherit;
}

button, a, input, select {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
  color: inherit;
  border: 0;
  background: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

button:focus-visible, a:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

/* App Main Flex Layout */
.app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  overflow: hidden;
  position: relative;
  background: var(--bg-app);
}

/* DESKTOP FLEX LAYOUT (Protects against sidebar overlapping editor shell) */
@media (min-width: 769px) {
  .app > .sidebar,
  .app > #sidebar,
  #app > .sidebar,
  #app > #sidebar {
    position: sticky !important;
    top: 0 !important;
    left: auto !important;
    bottom: auto !important;
    height: 100vh !important;
    height: 100dvh !important;
    flex-shrink: 0 !important;
    z-index: 50 !important;
  }
  .editor-shell {
    flex: 1 1 0% !important;
    min-width: 0 !important;
    margin-left: 0 !important;
    width: auto !important;
  }
}

/* FIX (Mindmap PNS) : le rail vit DANS .app (flex). L'application d'une marge
   gauche sur .app décale tout vers la droite et peint une bande vide à l'écran.
   Le rail réduit prend naturellement sa place dans le flux flex. */
body.sidebar-collapsed .app,
body.sidebar-collapsed #app {
  margin-left: 0 !important;
}

/* ==========================================================================
   FOLDERS TREE (Exact Notes PNS Hierarchy & Styling)
   ========================================================================== */
.list-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  margin-top: 14px;
  color: #aaa7b4;
  font-size: 9px;
  letter-spacing: 1.2px;
  font-weight: 600;
  text-transform: uppercase;
  user-select: none;
}

.tree-search-bar {
  margin: 6px 0 8px;
}

.tree-search-bar .library-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text-muted);
  width: 100%;
}

.tree-search-bar .library-search input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 11px;
  outline: none;
  font-family: inherit;
}

.folders-tree {
  margin-top: 4px;
  overflow-y: auto !important;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  padding: 2px 2px 20px;
  user-select: none;
}

.folders-tree::-webkit-scrollbar {
  width: 4px;
}

.folders-tree::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 4px;
}

.folders-tree::-webkit-scrollbar-track {
  background: transparent;
}

.tree-node {
  display: flex;
  flex-direction: column;
  margin: 1px 0;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  color: #615d6f;
  font-size: 11px;
  transition: background 0.12s, color 0.12s;
  position: relative;
  transform: none !important;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.tree-row:hover {
  background: #f3f0fa;
  color: #2563eb;
  transform: none !important;
}

.tree-row:active {
  transform: none !important;
}

.tree-row.active {
  background: #eff6ff;
  color: #2563eb;
  font-weight: 650;
  box-shadow: inset 3px 0 #2563eb;
  transform: none !important;
}

.tree-chevron {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #a29eb0;
  flex-shrink: 0;
  transition: transform 0.15s ease;
  border-radius: 3px;
}

.tree-chevron svg,
.tree-chevron i {
  width: 11px;
  height: 11px;
  font-size: 10px;
}

.tree-node.expanded > .tree-row > .tree-chevron {
  transform: rotate(90deg);
}

.tree-chevron-empty {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.tree-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.tree-icon svg,
.tree-icon i {
  width: 14px;
  height: 14px;
  font-size: 12px;
  color: #8f85b8;
}

.tree-icon img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  border-radius: 3px;
  display: block;
  background: #f9f8fc;
}

.tree-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  letter-spacing: -0.1px;
}

.tree-label mark {
  background: #fef08a;
  color: #854d0e;
  padding: 0 1px;
  border-radius: 2px;
}

.tree-badge {
  font-size: 9px;
  color: #9e99ab;
  background: #f2eff7;
  padding: 1px 5px;
  border-radius: 8px;
  margin-left: auto;
  flex-shrink: 0;
  font-weight: 600;
}

.tree-children {
  display: none;
  padding-left: 8px;
  border-left: 1.5px solid #ece8f4;
  margin-left: 6px;
  margin-top: 1px;
}

.tree-node.expanded > .tree-children {
  display: block;
}

/* ==========================================================================
   MASTER EDITOR RIBBON & TOOLBAR (Exact Notes PNS Architecture)
   ========================================================================== */
.editor-shell {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-app);
}

.editor-ribbon {
  min-width: 0;
  max-width: 100%;
  background: #ffffff;
  flex-shrink: 0;
  border-bottom: 1px solid #e1e0e9;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  padding: 3px 14px 4px;
  z-index: 50;
  position: relative;
}

/* Ribbon Meta Header Row (Title, Year, Module, Format, Save status, Avatar) */
.ribbon-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 2px 4px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  margin-bottom: 3px;
  gap: 12px;
}

.meta-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.mobile-menu-btn {
  display: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
}

.meta-brand-badge {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-size: 13px;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
  flex-shrink: 0;
}

.meta-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.meta-title-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.meta-doc-title {
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.meta-doc-badge {
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
}

.meta-breadcrumb {
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.meta-breadcrumb i {
  font-size: 8.5px;
  opacity: 0.7;
}

.breadcrumb-sep {
  font-size: 6.5px;
  opacity: 0.5;
}

.breadcrumb-dot {
  opacity: 0.4;
  margin: 0 1px;
}

.meta-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.meta-save-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.18);
  white-space: nowrap;
}

.meta-save-status i {
  color: var(--success);
  font-size: 10.5px;
}

.meta-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid var(--primary);
  flex-shrink: 0;
}

.meta-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   TOOLBAR GRID & TOOLS (Exact Notes PNS Ribbon Architecture)
   ========================================================================== */
.toolbar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  padding: 2px 0 0;
  gap: 10px;
  min-height: 82px;
  overflow-x: auto;
  scrollbar-width: none;
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .toolbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: stretch;
  }
  .toolbar-tabs-vertical {
    justify-self: start;
  }
  .toolbar-tools-center {
    justify-self: center;
  }
  .toolbar-actions-group {
    justify-self: end;
  }
}

.toolbar::-webkit-scrollbar {
  display: none;
}

/* VERTICAL TABS INSIDE TOOLBAR */
.toolbar-tabs-vertical {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  padding-right: 8px;
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
}

.tab-btn-vertical {
  border: 1px solid transparent;
  background: transparent;
  color: #666173;
  font-family: inherit;
  font-size: 9.5px;
  font-weight: 550;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1.2;
}

.tab-btn-vertical:hover {
  background: #eff6ff;
  color: var(--primary);
}

.tab-btn-vertical.active {
  background: #dbeafe;
  color: var(--primary);
  font-weight: 700;
  border-color: #bfdbfe;
}

.tab-btn-vertical .tiny-dot {
  display: inline-block;
  background: var(--primary);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  margin-left: auto;
}

/* CENTER TOOLS CONTAINER */
.toolbar-tools-center {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

/* ACTIONS GROUP (UNDO, REDO, SAVE, AUTO-LAYOUT, FULLSCREEN, EXPORT) */
.toolbar-actions-group {
  display: flex;
  align-items: stretch;
  padding-left: 10px;
  border-left: 1px solid var(--border-color);
  flex-shrink: 0;
}

.tool-btn-save {
  color: #2563eb !important;
  font-weight: 650 !important;
}

.tool-btn-save:hover {
  background: #eff6ff !important;
  color: #1d4ed8 !important;
}

.primary-action-btn {
  background: var(--primary) !important;
  color: #ffffff !important;
  border-color: var(--primary) !important;
}

.primary-action-btn:hover {
  background: var(--primary-hover) !important;
}

/* TOOL GROUPS, ROWS, BUTTONS & SELECTS */
.tool-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--border-color);
  padding-right: 8px;
  flex-shrink: 0;
  justify-content: space-between;
}

.tool-group:last-child {
  border: 0;
  padding-right: 0;
}

.tool-row {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 23px;
}

.tool-group-label {
  font-size: 8px;
  letter-spacing: 0.3px;
  color: #aaa6b3;
  text-align: center;
  margin-top: auto;
  padding-top: 2px;
  text-transform: uppercase;
  user-select: none;
}

.tool-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  height: 23px;
  min-width: 24px;
  border-radius: 4px;
  padding: 2px 5px;
  gap: 4px;
  font-size: 10.5px;
  color: #6d687c;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.12s ease;
  white-space: nowrap;
}

.tool-button:hover:not(:disabled) {
  background: #f1f5f9;
  color: var(--primary);
  border-color: rgba(37, 99, 235, 0.2);
}

.tool-button.active {
  background: #dbeafe;
  color: var(--primary);
  border-color: #bfdbfe;
  font-weight: 600;
}

.tool-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.tool-button svg,
.tool-button i {
  width: 14px;
  height: 14px;
  font-size: 12px;
}

.tool-select {
  border: 1px solid #e2e8f0;
  background: #ffffff;
  border-radius: 4px;
  height: 23px;
  font-size: 10.5px;
  padding: 0 10px 0 5px;
  color: var(--text-main);
  outline: none;
  cursor: pointer;
}

.tool-divider {
  height: 14px;
  width: 1px;
  background: var(--border-color);
  margin: 0 2px;
}

.toggle-row-compact {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 9.5px;
  color: #554e63;
  cursor: pointer;
  user-select: none;
}

.toggle-row-compact input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-row-compact .switch {
  width: 22px;
  height: 12px;
  border-radius: 10px;
  background: #d6d1dc;
  position: relative;
  flex-shrink: 0;
}

.toggle-row-compact .switch:after {
  content: '';
  width: 8px;
  height: 8px;
  position: absolute;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 2px #0001;
  transition: transform 0.2s;
}

.toggle-row-compact input:checked + .switch {
  background: var(--primary);
}

.toggle-row-compact input:checked + .switch:after {
  transform: translateX(10px);
}

/* ==========================================================================
   TOOLBAR PREVIEW STRIP (Exact Notes PNS Multi-Pages Ribbon Strip)
   ========================================================================== */
.preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 2px;
  border-radius: 5px;
  transition: all 0.15s ease;
  user-select: none;
}

/* ==========================================================================
   DARK MODE OVERRIDES FOR RIBBON & TREE
   ========================================================================== */
[data-theme="dark"] .editor-ribbon {
  background: #131b2e;
  border-bottom-color: rgba(148, 163, 184, 0.16);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .ribbon-meta-row {
  border-bottom-color: rgba(148, 163, 184, 0.12);
}

[data-theme="dark"] .tab-btn-vertical {
  color: #94a3b8;
}

[data-theme="dark"] .tab-btn-vertical:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

[data-theme="dark"] .tab-btn-vertical.active {
  background: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .tool-button {
  color: #94a3b8;
}

[data-theme="dark"] .tool-button:hover:not(:disabled) {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .tool-button.active {
  background: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .tool-select {
  background: #0f172a;
  border-color: rgba(148, 163, 184, 0.2);
  color: #f1f5f9;
}

[data-theme="dark"] .tool-group-label {
  color: #64748b;
}

[data-theme="dark"] .tree-row {
  color: #94a3b8;
}

[data-theme="dark"] .tree-row:hover {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

[data-theme="dark"] .tree-row.active {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  box-shadow: inset 3px 0 #3b82f6;
}

[data-theme="dark"] .tree-children {
  border-left-color: rgba(148, 163, 184, 0.15);
}

[data-theme="dark"] .tree-badge {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
}

[data-theme="dark"] mark {
  background: rgba(234, 179, 8, 0.3);
  color: #fef08a;
}

.mmp-shape-grid,
.shape-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 6px !important;
}

.mmp-shape-grid button,
.shape-grid button {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--bg-input);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mmp-shape-grid button:hover,
.shape-grid button:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.05);
}

.mmp-shape-grid svg,
.shape-grid svg {
  width: 20px;
  height: 20px;
  fill: var(--bg-card-solid);
  stroke: var(--text-muted);
  stroke-width: 1.5;
}

.mmp-bg-popover {
  width: 220px;
}

.mmp-bg-swatches,
.background-swatches {
  display: flex !important;
  gap: 5px !important;
  margin-bottom: 6px !important;
}

.mmp-bg-swatches button,
.background-swatches button {
  width: 26px;
  height: 26px;
  border-radius: 5px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mmp-bg-swatches button.active,
.background-swatches button.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3);
}

.mmp-styles-popover {
  width: 360px;
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.mmp-style-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-top: 4px;
}

.style-card {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 7px;
  padding: 6px;
  text-align: left;
  background: var(--bg-card-solid);
  cursor: pointer;
  transition: all 0.15s ease;
}

.style-card:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.style-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.style-preview {
  height: 38px;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.style-preview > span {
  width: 24px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.style-preview > span:nth-child(2) {
  width: 30px;
  height: 20px;
}

.style-card > span {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-main);
}

.style-card small {
  font-size: 8.5px;
  color: var(--text-muted);
}

/* Export Popover */
.mmp-export-popover {
  right: 0;
  left: auto;
  width: 230px;
}

.mmp-export-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 8px;
  text-align: left;
  width: 100%;
  padding: 7px 8px;
  border-radius: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: 2px;
}

.mmp-export-item:hover {
  background: var(--bg-hover);
  color: var(--primary);
}

.mmp-export-item i {
  color: var(--primary);
  font-size: 13px;
}

.mmp-export-item strong {
  display: block;
  font-size: 11px;
  color: var(--text-main);
}

.mmp-export-item small {
  display: block;
  font-size: 9px;
  color: var(--text-muted);
}

/* ==========================================================================
   (Ancien système "pill flottante" supprimé — la sélection vit désormais
   uniquement dans le dock droit vertical, voir section dédiée minus bas.)
   ========================================================================== */

.editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
}

/* Workspace Canvas */
.workspace {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-app);
  overflow: hidden;
}

.canvas-viewport {
  flex: 1;
  min-height: 0;
  overflow: auto;
  position: relative;
  scrollbar-width: thin;
  padding: 24px 32px 30px;
  touch-action: none;
}

.paper-wrapper {
  position: relative;
  margin: 0 auto;
  flex-shrink: 0;
}

.paper {
  width: 1120px;
  height: 780px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  position: absolute;
  transform-origin: top left;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border-radius: 6px;
}

[data-theme="dark"] .paper:not(.background-dark):not(.background-blueprint) {
  background-color: #ffffff;
}

.paper-footer {
  position: absolute;
  bottom: 25px;
  left: 40px;
  right: 40px;
  display: flex;
  justify-content: space-between;
  color: #94a3b8;
  font-size: 10px;
  letter-spacing: 1.5px;
  pointer-events: none;
}

.paper-footer b {
  color: var(--primary);
}

.connections-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.edge-hit {
  pointer-events: stroke;
  cursor: pointer;
}

.edge-handle {
  pointer-events: all;
  cursor: move;
}

.mind-node {
  position: absolute;
  border: 1.5px solid var(--node-stroke, #93c5fd);
  background: var(--node-fill, #eff6ff);
  color: var(--node-color, #1e40af);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 40px;
  cursor: grab;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
  touch-action: none;
  user-select: none;
  transition: box-shadow 0.15s ease;
}

.mind-node.selected {
  outline: 2.5px solid var(--primary);
  outline-offset: 4px;
  z-index: 10;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

.node-content {
  font-size: calc(15px * var(--node-scale, 1));
  text-align: center;
  padding: calc(14px * var(--node-scale, 1)) calc(16px * var(--node-scale, 1));
  line-height: 1.55;
  width: 100%;
  overflow-wrap: anywhere;
  max-height: 100%;
  overflow: hidden;
  outline: none;
  user-select: text;
  cursor: inherit;
}

.node-content[contenteditable=true] {
  cursor: text;
  overflow: auto;
  user-select: text;
}

.node-content small {
  display: block;
  font-size: calc(11px * var(--node-scale, 1));
  margin-top: calc(5px * var(--node-scale, 1));
  opacity: 0.85;
  font-weight: 400;
}

.node-content strong {
  font-weight: 700;
}

.mind-node.root .node-content {
  font-size: calc(19px * var(--node-scale, 1));
  font-weight: 800;
}

.node-symbol {
  font-size: 24px;
  display: block;
  margin-bottom: 5px;
}

.mind-node[data-shape=ellipse], .mind-node[data-shape=circle] {
  border-radius: 50%;
}
.mind-node[data-shape=rectangle] {
  border-radius: 2px;
}
.mind-node[data-shape=pill] {
  border-radius: 80px;
}
.mind-node[data-shape=diamond] {
  padding: 20px;
}
.mind-node[data-shape=hexagon] {
  padding: 0 14px;
}
.mind-node[data-shape=triangle] {
  padding: 40px 25px 0;
}
.mind-node[data-shape=parallelogram] {
  padding: 0 16px;
}
.mind-node[data-shape=star] {
  padding: 25px 40px;
}

.mind-node:is([data-shape=diamond],[data-shape=hexagon],[data-shape=triangle],[data-shape=parallelogram],[data-shape=star]) {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  isolation: isolate;
}

.node-geometry {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.node-port {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #ffffff;
  border: 2px solid var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: none;
  cursor: crosshair;
  z-index: 12;
  box-shadow: 0 0 4px rgba(37, 99, 235, 0.4);
}

.mind-node:hover .node-port, .mind-node.selected .node-port {
  display: block;
}

.node-resize {
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--primary);
  background: #ffffff;
  cursor: nwse-resize;
  display: none;
}

.selected .node-resize {
  display: block;
}

/* Floating Zoom Widget */
.canvas-floating-zoom {
  position: absolute;
  right: 56px;
  bottom: 38px;
  z-index: 25;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  padding: 3px;
  box-shadow: var(--shadow-md);
}

.canvas-floating-zoom button {
  min-width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.canvas-floating-zoom button:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.canvas-floating-zoom > span {
  height: 16px;
  background: var(--border-color);
  width: 1px;
  margin: 0 3px;
}

#zoom-label {
  width: 48px;
  font-weight: 700;
  color: var(--text-main);
  font-size: 10px;
}

/* Background patterns */
.background-dots {
  background-image: radial-gradient(rgba(148, 163, 184, 0.35) 1px, transparent 1px);
  background-size: 18px 18px;
}
.background-grid {
  background-image: linear-gradient(rgba(148, 163, 184, 0.2) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.2) 1px, transparent 1px);
  background-size: 22px 22px;
}
.background-lines {
  background-image: repeating-linear-gradient(transparent 0, transparent 25px, rgba(148, 163, 184, 0.2) 26px);
}
.background-blank {
  background-color: #ffffff;
}
.background-cream {
  background-color: #fdfbf7;
}
.background-blueprint {
  background-color: #0f1e36;
  background-image: linear-gradient(rgba(59, 130, 246, 0.2) 1px, transparent 1px), linear-gradient(90deg, rgba(59, 130, 246, 0.2) 1px, transparent 1px);
  background-size: 24px 24px;
}
.background-dark {
  background-color: #0f172a;
}

/* Modals */
.modal {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  background: var(--bg-card-solid);
  color: var(--text-main);
  max-width: min(820px, calc(100vw - 32px));
  width: 820px;
  max-height: 85dvh;
  box-shadow: var(--shadow-lg);
}

.modal::backdrop {
  background: rgba(15, 23, 42, 0.6);
}

.modal > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-eyebrow {
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--primary);
}

.modal h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  margin: 8px 0;
  color: var(--text-main);
}

.preview-pages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
  max-height: 50dvh;
  overflow-y: auto;
  padding: 4px;
}

.preview-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px;
  background: var(--bg-card);
}

.preview-card.active {
  outline: 2px solid var(--primary);
}

.preview-thumb {
  height: 140px;
  position: relative;
  overflow: hidden;
  background: rgba(148, 163, 184, 0.08);
  width: 100%;
  display: block;
  border-radius: 6px;
}

.preview-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  font-size: 11px;
}

.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
}

.help-grid article > i {
  color: var(--primary);
  font-size: 24px;
}

.help-grid h3 {
  font-size: 14px;
  margin: 8px 0;
}

.help-grid p {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.shortcut-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  color: var(--text-muted);
  font-size: 11px;
}

.shortcut-list kbd {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-hover);
  padding: 3px 6px;
  margin-right: 4px;
  color: var(--text-main);
  font-weight: 600;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-hover);
  border-radius: 8px;
  padding: 12px;
  margin-top: 20px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 12px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 1500;
  font-size: 12px;
  font-weight: 600;
  max-width: 90vw;
  text-align: center;
}

/* ==========================================================================
   RIGHT PROPERTY DOCK — rail vertical 1cm, design épuré repensé
   Aucun panneau, aucune bordure, aucun séparateur, aucune animation :
   seulement des boutons plats alignés verticalement sur la droite.
   ========================================================================== */
.right-property-dock {
  position: absolute;
  top: 0;
  left: 0;         /* rail ancré à gauche du studio, juste après la sidebar */
  bottom: 0;
  width: 1cm;      /* 1 centimètre ≈ 38px */
  width: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 10px 0;
  background: var(--bg-card-solid, #ffffff);   /* rail blanc uni */
  border-left: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: none;      /* le rail seul est transparent, les boutons sont actifs */
  z-index: 30;
}

/* Rail vide (aucune sélection) = aucune occupation */
#right-property-dock.pns-dock-empty {
  display: none !important;
}

/* Barres internes : une seule colonne verticale, sans style parasite */
.right-property-dock .selection-toolbar,
.right-property-dock .text-toolbar {
  position: static;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  max-height: 100%;
  min-height: 0;
  padding: 0;
  margin: 0;
  background: none;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  animation: none;
  pointer-events: auto;
  overflow-y: auto;
  scrollbar-width: none;
}

.right-property-dock .selection-toolbar::-webkit-scrollbar,
.right-property-dock .text-toolbar::-webkit-scrollbar {
  display: none;
}

/* L'attribut hidden reprend la main sur tout style display de ces barres */
.right-property-dock .selection-toolbar[hidden],
.right-property-dock .text-toolbar[hidden] {
  display: none !important;
}

/* Bouton du dock : tuile plate 30×30, sans bordure ni ombre */
.right-property-dock .right-dock-btn {
  display: grid;
  place-items: center;
  position: relative;
  width: 30px;
  height: 30px;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-muted, #64748b);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  overflow: hidden; /* réserve pour le <select>/<input> invisible */
  transition: background-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.right-property-dock .right-dock-btn i {
  font-size: 14px;
}

.right-property-dock .right-dock-btn:hover {
  background: var(--bg-hover, rgba(100, 116, 139, 0.12));
  color: var(--text-main, #1e293b);
}

.right-property-dock .right-dock-btn:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  outline-offset: 1px;
}

.right-property-dock .right-dock-btn.active {
  background: var(--primary-light, rgba(37, 99, 235, 0.12));
  color: var(--primary, #2563eb);
}

.right-property-dock .right-dock-btn.dock-btn-danger:hover {
  background: rgba(239, 68, 68, 0.12);
  color: var(--error, #ef4444);
}

.right-property-dock .right-dock-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.right-property-dock .right-dock-btn:disabled:hover {
  background: transparent;
  color: var(--text-muted, #64748b);
}

/* Lettres de mise en forme du texte (B / I / U) */
.right-property-dock .text-toolbar b {
  font-size: 12px;
}
.right-property-dock .text-toolbar i {
  font-size: 12px;
}
.right-property-dock .text-toolbar u {
  font-size: 12px;
  text-underline-offset: 2px;
}

/* Pipette de couleur invisible */
.right-property-dock label.right-dock-btn.color-wrap {
  cursor: pointer;
}

.right-property-dock label.right-dock-btn.color-wrap input[type="color"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  opacity: 0;
  cursor: pointer;
}

/* Indicateur discret de la couleur courante (point en bas, pas d'anneau) */
.right-property-dock label.right-dock-btn.color-wrap::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--swatch, #253347);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
  pointer-events: none;
}

.right-property-dock .color-symbol {
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

/* ........................................................................
   Menu moderne des formes : panneau flottant à droite du rail blanc,
   ouverture statique (aucun mouvement), options avec aperçus.
   ........................................................................ */
.pns-shape-panel,
.pns-dock-panel {
  position: fixed;
  min-width: 198px;
  padding: 6px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: #ffffff;
  border: 0;
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.16), 0 3px 10px rgba(15, 23, 42, 0.08);
  z-index: 400;
  animation: none;
}

.pns-shape-panel[hidden],
.pns-dock-panel[hidden] {
  display: none !important;
}

.pns-shape-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-main, #1e293b);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.pns-shape-opt:hover {
  background: var(--bg-hover, rgba(100, 116, 139, 0.12));
}

.pns-shape-opt.active {
  background: var(--primary-light, rgba(37, 99, 235, 0.10));
  color: var(--primary, #2563eb);
}

.pns-shape-opt .fa-check {
  margin-left: auto;
  font-size: 10px;
}

.pns-shape-svg {
  width: 26px;
  height: 24px;
  flex-shrink: 0;
}

.pns-mini-ico {
  width: 26px;
  flex-shrink: 0;
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
}

[data-theme="dark"] .pns-shape-panel,
[data-theme="dark"] .pns-dock-panel,
body.dark .pns-shape-panel,
body.dark .pns-dock-panel,
body.theme-dark .pns-shape-panel,
body.theme-dark .pns-dock-panel {
  background: var(--bg-card-solid, #131b2e);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55), 0 3px 10px rgba(0, 0, 0, 0.4);
}

/* Petit compteur (points de connexion d'une forme) */
.right-property-dock .badge-mini {
  position: absolute;
  bottom: 2px;
  right: 2px;
  font-size: 8px;
  font-weight: 700;
  background: var(--primary, #2563eb);
  color: #fff;
  border-radius: 6px;
  padding: 0 2px;
  line-height: 11px;
  min-width: 11px;
  text-align: center;
  pointer-events: none;
}

/* nodes-layer: fill the paper, transparent to events (child nodes use pointer-events:all) */
.nodes-layer {
  position: absolute;
  inset: 0;
  pointer-events: none; /* paper.addEventListener handles bubbled events */
}

/* Each mind-node must receive pointer events explicitly */
.mind-node {
  pointer-events: auto;
}

/* Canvas viewport left padding so nodes aren't hidden behind the dock
   (le rail est désormais à gauche, juste après la sidebar) */
.canvas-viewport {
  padding-left: calc(1cm + 12px);
}

/* When the rail is empty the canvas padding returns to symmetric so the
   sheet stays perfectly centered */
.editor-body.pns-no-dock .canvas-viewport {
  padding-left: 32px !important;
}

/* Responsive Rules */
/* Responsive Rules for Master Studio Topbar */
@media (max-width: 980px) {
  .mmp-mobile-toggle {
    display: inline-flex;
  }
  
  .editor-shell {
    padding-bottom: 50px;
  }
  
  .mmp-doc-title {
    max-width: 170px;
  }
  
  .save-status-text {
    display: none;
  }
  
  .mmp-btn-export span {
    display: none;
  }

  .mmp-page-overview span {
    display: none;
  }

  .mmp-mode-btn kbd {
    display: none;
  }
}

@media (max-width: 720px) {
  .mmp-group-tag {
    display: none;
  }

  .mmp-mode-btn span {
    display: none;
  }

  .mmp-pill-btn span {
    display: inline-block;
  }
}

@media (max-width: 640px) {
  .mmp-breadcrumbs {
    display: none;
  }
  
  .mmp-badge-tag {
    display: none;
  }

  .mmp-doc-title {
    max-width: 130px;
    font-size: 13px;
  }

  .canvas-floating-zoom {
    bottom: 60px;
    right: 14px;
  }
}

/* ==========================================================================
   OFFICIAL PNS MEDICAL CURRICULUM TREE IN SIDEBAR
   ========================================================================== */
.library-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all 0.2s ease;
  margin-bottom: 12px;
  width: 100%;
  box-sizing: border-box;
}

.library-search:focus-within {
  border-color: var(--primary);
  background: var(--bg-card-solid);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  color: var(--primary);
}

.library-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 12px;
  color: var(--text-main);
  width: 100%;
  font-family: inherit;
}

.folders-tree {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 30px;
}

.tree-year {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: var(--bg-card);
  transition: border-color 0.2s;
}

.tree-year.open {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.tree-year-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: transparent;
  border: none;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.tree-year-btn:hover {
  background: var(--bg-hover);
}

.tree-year-btn .chevron-icon {
  font-size: 10px;
  color: var(--text-muted);
  width: 12px;
  transition: transform 0.2s;
}

.tree-year-btn .year-icon {
  font-size: 13px;
  color: var(--primary);
}

.tree-year-btn .year-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-year-btn .tree-count {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--primary-light);
  padding: 2px 7px;
  border-radius: 10px;
}

.tree-subjects {
  padding: 4px 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border-color);
  background: rgba(248, 250, 252, 0.5);
}

[data-theme="dark"] .tree-subjects,
body.dark .tree-subjects,
body.theme-dark .tree-subjects {
  background: rgba(15, 23, 42, 0.4);
}

.tree-subject {
  border-radius: 8px;
  overflow: hidden;
}

.tree-subject-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  background: transparent;
  border: none;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  border-radius: 6px;
  transition: background 0.15s;
}

.tree-subject-btn:hover {
  background: var(--bg-hover);
}

.tree-subject-btn .chevron-icon {
  font-size: 9px;
  color: var(--text-muted);
  width: 10px;
}

.tree-subject-btn .folder-icon {
  font-size: 12px;
  color: #f59e0b;
}

.tree-subject-btn .subject-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-subject-btn .tree-badge {
  font-size: 9.5px;
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(148, 163, 184, 0.12);
}

.tree-lessons {
  padding: 3px 0 3px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tree-lesson {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: transparent;
  border: none;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  text-align: left;
  border-radius: 6px;
  transition: all 0.15s ease;
  line-height: 1.3;
}

.tree-lesson i {
  font-size: 10px;
  opacity: 0.6;
  flex-shrink: 0;
}

.tree-lesson .lesson-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-lesson:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.tree-lesson:hover i {
  opacity: 1;
  color: var(--primary);
}

.tree-lesson.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.1);
}

.tree-lesson.active i {
  opacity: 1;
  color: var(--primary);
}

.empty-search {
  padding: 24px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.5;
}

.empty-search i {
  font-size: 24px;
  margin-bottom: 8px;
  opacity: 0.4;
  display: block;
}

/* ==========================================================================
   PNS 1cm ICON BAR (desktop + phone): two menu icons + icon-only tools
   ========================================================================== */
.editor-ribbon {
  padding: 0 !important;
}

#toolbar.toolbar {
  height: 1cm !important;
  min-height: 1cm !important;
  max-height: 1cm !important;
  box-sizing: border-box !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 0 8px !important;
  overflow: visible !important;
}

#toolbar .toolbar-tabs-vertical {
  display: none !important;
}

#toolbar .tool-group-label {
  display: none !important;
}

#toolbar .pns-menu {
  position: relative !important;
}

#toolbar .pns-menu-btn {
  width: 27px !important;
  height: 27px !important;
  min-width: 27px !important;
  border-radius: 8px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
  color: #ffffff !important;
  border: none !important;
  cursor: pointer !important;
  font-size: 14px !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35) !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}

#toolbar .pns-menu-btn:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.45) !important;
}

#toolbar .pns-menu-btn svg,
#toolbar .pns-menu-btn i {
  width: 15px !important;
  height: 15px !important;
  font-size: 14px !important;
}

#toolbar .pns-menu-panel {
  position: absolute !important;
  top: calc(100% + 7px) !important;
  left: 0 !important;
  z-index: 5000 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  min-width: 168px !important;
  padding: 6px !important;
  background: #ffffff !important;
  border: 1px solid rgba(37, 99, 235, 0.22) !important;
  border-radius: 12px !important;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.22), 0 0 0 1px rgba(37, 99, 235, 0.08) !important;
}

#toolbar .pns-menu-panel[hidden] {
  display: none !important;
}

#toolbar .pns-menu-option {
  display: flex !important;
  align-items: center !important;
  gap: 9px !important;
  width: 100% !important;
  padding: 7px 10px !important;
  border: none !important;
  border-radius: 8px !important;
  background: transparent !important;
  color: #1e293b !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  text-align: left !important;
  transition: background 0.15s ease !important;
}

#toolbar .pns-menu-option:hover {
  background: rgba(37, 99, 235, 0.09) !important;
}

#toolbar .pns-menu-option.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(6, 182, 212, 0.14)) !important;
  color: #1d4ed8 !important;
}

#toolbar .pns-menu-option svg,
#toolbar .pns-menu-option i {
  width: 15px !important;
  height: 15px !important;
  font-size: 14px !important;
  color: #2563eb !important;
  flex-shrink: 0 !important;
}

#toolbar .pns-menu-option span {
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

#toolbar .pns-menu-empty {
  padding: 7px 10px !important;
  color: #94a3b8 !important;
  font-size: 12px !important;
}

/* Tools center: single horizontal icon strip (Notes PNS pattern) */
#toolbar .toolbar-tools-center {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  height: 100% !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  scrollbar-width: none !important;
  cursor: grab !important;
  touch-action: pan-x !important;
  padding: 0 2px !important;
}

/* Défilement conservé, barre complètement masquée */
#toolbar .toolbar-tools-center::-webkit-scrollbar {
  display: none !important;
}

/* Pendant le glisser : curseur saisie et boutons non déclenchables */
#toolbar .toolbar-tools-center.pns-center-dragging {
  cursor: grabbing !important;
}
#toolbar .toolbar-tools-center.pns-center-dragging * {
  pointer-events: none !important;
}

#toolbar .toolbar-tools-center .tool-group {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 3px !important;
  border: none !important;
  border-right: 1px solid var(--border-color, #e2e8f0) !important;
  padding: 0 10px 0 0 !important;
  margin: 0 !important;
  justify-content: flex-start !important;
  flex: 0 0 auto !important;
}

#toolbar .toolbar-tools-center .tool-group:last-child {
  border-right: none !important;
  margin-right: 0 !important;
  padding-right: 0 !important;
}

#toolbar .toolbar-tools-center .tool-row {
  display: contents !important;
}

/* Icon-only tool buttons */
#toolbar .tool-button {
  width: 27px !important;
  height: 27px !important;
  min-width: 27px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 13px !important;
  border-radius: 7px !important;
  flex: 0 0 auto !important;
}

#toolbar .tool-button > span {
  display: none !important;
}

#toolbar .tool-button:not(:has(svg)):not(:has(i)) > span {
  display: inline !important;
  font-size: 9px !important;
  font-weight: 800 !important;
  padding: 0 3px !important;
  white-space: nowrap !important;
}

#toolbar .tool-button svg,
#toolbar .tool-button i {
  width: 14px !important;
  height: 14px !important;
  font-size: 13px !important;
}

/* Compact selects / inputs / labels inside the 1cm bar */
#toolbar .tool-select {
  height: 26px !important;
  min-height: 26px !important;
  font-size: 11px !important;
  padding: 0 5px !important;
  border-radius: 7px !important;
}

#toolbar input[type="number"].tool-select {
  width: 42px !important;
}

#toolbar input[type="range"] {
  width: 56px !important;
}

#toolbar label {
  font-size: 10px !important;
  gap: 3px !important;
}

#toolbar .toggle-row-compact {
  font-size: 10px !important;
  gap: 4px !important;
  white-space: nowrap !important;
}

/* Actions dropdown menu (far right, Notes PNS pattern) */
#toolbar .pns-actions-menu {
  margin-left: auto !important;
  flex: 0 0 auto !important;
  padding-left: 10px !important;
  border-left: 1px solid var(--border-color, #e2e8f0) !important;
}

#toolbar .pns-actions-menu .pns-menu-btn {
  width: auto !important;
  min-width: 34px !important;
  padding: 0 7px !important;
  gap: 3px !important;
}

#toolbar .pns-actions-caret {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

#toolbar .pns-actions-caret svg,
#toolbar .pns-actions-caret i {
  width: 10px !important;
  height: 10px !important;
  font-size: 10px !important;
  opacity: .9;
}

#toolbar .pns-actions-menu .pns-menu-panel {
  left: auto !important;
  right: 0 !important;
  min-width: 218px !important;
}

#toolbar .pns-menu-option .action-hint {
  margin-left: auto !important;
  flex-shrink: 0 !important;
  padding-left: 14px !important;
  font-size: 10px !important;
  font-weight: 600 !important;
  color: #94a3b8 !important;
}

#toolbar .pns-menu-option.pns-action-export {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1)) !important;
}

[data-theme="dark"] #toolbar .pns-menu-option .action-hint,
body.dark #toolbar .pns-menu-option .action-hint,
body.theme-dark #toolbar .pns-menu-option .action-hint {
  color: #64748b !important;
}
[data-theme="dark"] #toolbar .pns-actions-menu,
body.dark #toolbar .pns-actions-menu,
body.theme-dark #toolbar .pns-actions-menu {
  border-left-color: rgba(255, 255, 255, 0.12) !important;
}
[data-theme="dark"] #toolbar .toolbar-tools-center .tool-group,
body.dark #toolbar .toolbar-tools-center .tool-group,
body.theme-dark #toolbar .toolbar-tools-center .tool-group {
  border-right-color: rgba(255, 255, 255, 0.12) !important;
}

/* Paper footer: channel link + PNS logo only */
.paper-footer {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
}

.paper-footer-link {
  display: inline-flex !important;
  align-items: center !important;
  gap: 7px !important;
  color: inherit !important;
  text-decoration: none !important;
  font-size: 11px !important;
  font-weight: 700 !important;
}

.paper-footer-logo {
  width: 20px !important;
  height: 20px !important;
  object-fit: contain !important;
}

/* ==========================================================================
   STRICT PERFORMANCE MODE (page menus)
   Opaque, border-only, instant menus: no blur, no shadow compositing,
   no open/close animation and no item transitions.
   ========================================================================== */
.canvas-floating-zoom,
.mmp-bg-popover,
.mmp-export-popover,
.mmp-styles-popover,
.pns-dock-panel,
.pns-shape-panel,
.accounts-menu,
.mobile-menu {
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  transition: none !important;
  animation: none !important;
}

.canvas-floating-zoom *,
.mmp-bg-popover *,
.mmp-export-popover *,
.mmp-styles-popover *,
.pns-dock-panel *,
.pns-shape-panel *,
.mobile-menu * {
  transition: none !important;
  animation: none !important;
}