diff --git a/package.json b/package.json
index 6cfa7ae..527f8ad 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lumyx/ui",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "The Lumyx design system: React components and Tailwind CSS v4 tokens.",
   "license": "MIT",
   "author": "Mathieu Chambaud",
diff --git a/scripts/verify-ds.mjs b/scripts/verify-ds.mjs
index 2d6d8fa..fdfb321 100644
--- a/scripts/verify-ds.mjs
+++ b/scripts/verify-ds.mjs
@@ -124,6 +124,39 @@ for (const size of uniqueScale) {
   }
 }
 
+// 7-9. Les namespaces par defaut de Tailwind restent actifs (styles.css ne les remet pas a
+// zero) : rien n'empeche a la compilation un `text-sm`, un `bg-white` ou un `duration-300`.
+// Ces regles ferment la porte cote source.
+const CODE_FILES = files.filter((f) => ['.ts', '.tsx', '.js'].includes(extname(f)));
+function scanClasses(rule, pattern, accept = () => false) {
+  for (const f of CODE_FILES) {
+    readFileSync(f, 'utf8')
+      .split('\n')
+      .forEach((line, i) => {
+        for (const m of line.matchAll(pattern)) {
+          if (!accept(m)) fail(rule, `${rel(f)}:${i + 1} — ${m[0]}`);
+        }
+      });
+  }
+}
+
+// 7. Taille de texte sur l'echelle numerique (text-11 … text-44), jamais l'echelle Tailwind.
+scanClasses('type-scale', /(?<![\w-])text-(?:xs|sm|base|lg|xl|[2-9]xl)(?![\w-])/g);
+
+// 8. Couleur par token semantique : ni black/white, ni la palette par defaut de Tailwind.
+const PALETTE =
+  'slate|gray|zinc|neutral|stone|red|orange|amber|yellow|lime|green|emerald|teal|cyan|sky|blue|indigo|violet|purple|fuchsia|pink|rose';
+const COLOR_UTILS =
+  'bg|text|border(?:-[trblxyse])?|ring|ring-offset|outline|fill|stroke|from|via|to|divide|placeholder|caret|accent|decoration|shadow';
+scanClasses(
+  'no-raw-palette',
+  new RegExp(`(?<![\\w-])(?:${COLOR_UTILS})-(?:black|white|(?:${PALETTE})-\\d{2,3})(?![\\w-])`, 'g'),
+);
+
+// 9. Durees de motion : 120ms teintes · 180ms par defaut · 260ms taille & position (styles.css).
+const DURATIONS = new Set(['0', '120', '180', '260']);
+scanClasses('motion-duration', /(?<![\w-])duration-(\d+|\[[^\]]*\])/g, (m) => DURATIONS.has(m[1]));
+
 if (failures.length) {
   console.error(`\n✗ ${failures.length} violation(s) des contraintes du design system\n`);
   failures.forEach((f) => console.error('  ' + f));
diff --git a/scripts/verify-ds.test.mjs b/scripts/verify-ds.test.mjs
index 4949e9e..b38e9be 100644
--- a/scripts/verify-ds.test.mjs
+++ b/scripts/verify-ds.test.mjs
@@ -61,3 +61,47 @@ describe('verify-ds regle 2 — monospace par token', () => {
     expect(proc.exitCode).toBe(0);
   });
 });
+
+describe('verify-ds regle 7 — echelle typographique', () => {
+  test('accepte l echelle numerique', () => {
+    expect(runWith('export const A = () => <p className="text-13 text-muted" />;\n').code).toBe(0);
+  });
+
+  test('refuse l echelle Tailwind par defaut', () => {
+    const { code, output } = runWith('export const A = () => <p className="text-sm" />;\n');
+    expect(code).toBe(1);
+    expect(output).toContain('type-scale');
+  });
+});
+
+describe('verify-ds regle 8 — couleurs par token', () => {
+  test('accepte les utilitaires semantiques', () => {
+    expect(runWith('export const A = () => <p className="bg-danger text-on-accent" />;\n').code).toBe(0);
+  });
+
+  test('refuse black / white', () => {
+    const { code, output } = runWith('export const A = () => <p className="bg-black/50 text-white" />;\n');
+    expect(code).toBe(1);
+    expect(output).toContain('no-raw-palette');
+  });
+
+  test('refuse la palette Tailwind par defaut', () => {
+    expect(runWith('export const A = () => <p className="border-zinc-200" />;\n').code).toBe(1);
+  });
+});
+
+describe('verify-ds regle 9 — durees de motion', () => {
+  test('accepte 120 / 180 / 260', () => {
+    expect(runWith('export const A = () => <p className="duration-120 hover:duration-260" />;\n').code).toBe(0);
+  });
+
+  test('refuse une duree hors systeme', () => {
+    const { code, output } = runWith('export const A = () => <p className="duration-300" />;\n');
+    expect(code).toBe(1);
+    expect(output).toContain('motion-duration');
+  });
+
+  test('refuse une valeur arbitraire', () => {
+    expect(runWith('export const A = () => <p className="duration-[120ms]" />;\n').code).toBe(1);
+  });
+});
diff --git a/src/components/lumyx/peer-card.tsx b/src/components/lumyx/peer-card.tsx
index 816f1e3..714cc26 100644
--- a/src/components/lumyx/peer-card.tsx
+++ b/src/components/lumyx/peer-card.tsx
@@ -16,7 +16,7 @@ export type Peer = {
 /** Peers are indigo. Rooms and sessions are coral. They are never blended. */
 export function PeerCard({ peer, className }: { peer: Peer; className?: string }) {
   return (
-    <div className={cn("rounded-lg border border-hairline bg-card p-4 shadow-[var(--shadow-sm)] transition-shadow duration-[180ms] hover:shadow-[var(--shadow-md)]", className)}>
+    <div className={cn("rounded-lg border border-hairline bg-card p-4 shadow-[var(--shadow-sm)] transition-shadow duration-180 hover:shadow-[var(--shadow-md)]", className)}>
       <div className="flex items-center justify-between gap-3">
         <div className="flex items-center gap-2">
           <StatusDot status={peer.status} />
diff --git a/src/components/lumyx/room-card.tsx b/src/components/lumyx/room-card.tsx
index bc880c1..e741c01 100644
--- a/src/components/lumyx/room-card.tsx
+++ b/src/components/lumyx/room-card.tsx
@@ -17,7 +17,7 @@ export type Room = {
 export function RoomCard({ room, href, className }: { room: Room; href?: string; className?: string }) {
   const { Link } = useLumyxLink();
   const body = (
-    <div className={cn("rounded-lg border border-hairline bg-card p-5 shadow-[var(--shadow-sm)] transition-shadow duration-[180ms] hover:shadow-[var(--shadow-md)]", className)}>
+    <div className={cn("rounded-lg border border-hairline bg-card p-5 shadow-[var(--shadow-sm)] transition-shadow duration-180 hover:shadow-[var(--shadow-md)]", className)}>
       <div className="flex items-start justify-between gap-3">
         <div className="flex flex-col gap-1">
           <span className="flex items-center gap-2">
diff --git a/src/components/lumyx/sidebar-nav.tsx b/src/components/lumyx/sidebar-nav.tsx
index 7c49b41..537f2df 100644
--- a/src/components/lumyx/sidebar-nav.tsx
+++ b/src/components/lumyx/sidebar-nav.tsx
@@ -46,7 +46,7 @@ export function SidebarNav({
                       asChild
                       isActive={active}
                       className={cn(
-                        "h-auto gap-2.5 rounded-sm px-2 py-1.5 text-13 transition-colors duration-[120ms]",
+                        "h-auto gap-2.5 rounded-sm px-2 py-1.5 text-13 transition-colors duration-120",
                         active
                           ? "bg-accent-tint font-medium text-accent-text shadow-[inset_2px_0_0_var(--accent)] hover:bg-accent-tint hover:text-accent-text"
                           : "text-body hover:bg-hover hover:text-strong",
diff --git a/src/components/lumyx/time-series-chart.tsx b/src/components/lumyx/time-series-chart.tsx
index 77cddeb..b94890b 100644
--- a/src/components/lumyx/time-series-chart.tsx
+++ b/src/components/lumyx/time-series-chart.tsx
@@ -28,7 +28,7 @@ export function TimeSeriesChart({
         {ticks.map((t) => (
           <g key={t}>
             <line x1={padL} x2={W - padR} y1={y(t)} y2={y(t)} stroke="var(--border-subtle)" strokeWidth="1" />
-            <text x={0} y={y(t) + 3} fontSize="10" fill="var(--text-faint)" style={{ fontVariantNumeric: "tabular-nums" }}>
+            <text x={0} y={y(t) + 3} fontSize="11" fill="var(--text-faint)" style={{ fontVariantNumeric: "tabular-nums" }}>
               {Math.round(t)}{yUnit}
             </text>
           </g>
@@ -38,7 +38,7 @@ export function TimeSeriesChart({
           return <polyline key={s.name} points={pts} fill="none" stroke={s.color} strokeWidth="1.75" strokeLinejoin="round" strokeLinecap="round" />;
         })}
         {xLabels.map((l, i) => (
-          <text key={l + i} x={x((i / Math.max(xLabels.length - 1, 1)) * (len - 1))} y={H - 4} fontSize="10" fill="var(--text-faint)" textAnchor="middle">
+          <text key={l + i} x={x((i / Math.max(xLabels.length - 1, 1)) * (len - 1))} y={H - 4} fontSize="11" fill="var(--text-faint)" textAnchor="middle">
             {l}
           </text>
         ))}
diff --git a/src/components/lumyx/video-tile.tsx b/src/components/lumyx/video-tile.tsx
index 9fcc5ca..43ea788 100644
--- a/src/components/lumyx/video-tile.tsx
+++ b/src/components/lumyx/video-tile.tsx
@@ -22,7 +22,7 @@ export function VideoTile({
           <span className="text-12">No stream</span>
         </div>
       )}
-      <span className="absolute bottom-3 left-3 flex items-center gap-2 rounded-pill bg-[var(--surface-overlay)] px-2.5 py-1 text-11 text-white backdrop-blur-[6px]">
+      <span className="absolute bottom-3 left-3 flex items-center gap-2 rounded-pill bg-[var(--surface-overlay)] px-2.5 py-1 text-11 text-on-overlay backdrop-blur-[6px]">
         <StatusDot status={status} />
         <span className="sl-num">{peerId}</span>
         {latencyMs != null ? <span className="sl-num opacity-70">{latencyMs}ms</span> : null}
diff --git a/src/components/ui/button.tsx b/src/components/ui/button.tsx
index e8b3ccf..c2a9f7f 100644
--- a/src/components/ui/button.tsx
+++ b/src/components/ui/button.tsx
@@ -8,14 +8,14 @@ import { cn } from '../../lib/utils';
  * Focus is the 3px indigo ring, never a browser outline.
  */
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap font-medium transition-colors duration-[120ms] ease-[var(--ease-out)] outline-none focus-visible:border-accent focus-visible:shadow-[var(--ring-accent)] disabled:opacity-45 disabled:cursor-not-allowed [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg]:size-4 [&_svg]:stroke-[1.75]",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap font-medium transition-colors duration-120 ease-[var(--ease-out)] outline-none focus-visible:border-accent focus-visible:shadow-[var(--ring-accent)] disabled:opacity-45 disabled:cursor-not-allowed [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg]:size-4 [&_svg]:stroke-[1.75]",
   {
     variants: {
       variant: {
         primary: "bg-accent text-on-accent border border-transparent hover:bg-accent-hover shadow-[var(--shadow-xs)]",
         secondary: "bg-card text-strong border border-stroke hover:bg-hover shadow-[var(--shadow-xs)]",
         ghost: "bg-transparent text-body border border-transparent hover:bg-hover",
-        danger: "bg-danger text-white border border-transparent hover:brightness-95 focus-visible:shadow-[var(--ring-danger)]",
+        danger: "bg-danger text-on-accent border border-transparent hover:brightness-95 focus-visible:shadow-[var(--ring-danger)]",
         link: "bg-transparent text-accent-text underline-offset-2 hover:underline p-0 h-auto",
       },
       size: {
diff --git a/src/components/ui/dialog.tsx b/src/components/ui/dialog.tsx
index bbe3dce..7ce78a3 100644
--- a/src/components/ui/dialog.tsx
+++ b/src/components/ui/dialog.tsx
@@ -21,7 +21,7 @@ function DialogContent({ className, children, ...props }: React.ComponentProps<t
         {...props}
       >
         {children}
-        <DialogPrimitive.Close className="absolute right-4 top-4 rounded-xs p-1 text-muted transition-colors duration-[120ms] hover:bg-hover hover:text-strong outline-none focus-visible:shadow-[var(--ring-accent)]">
+        <DialogPrimitive.Close className="absolute right-4 top-4 rounded-xs p-1 text-muted transition-colors duration-120 hover:bg-hover hover:text-strong outline-none focus-visible:shadow-[var(--ring-accent)]">
           <X className="size-4 stroke-[1.75]" />
           <span className="sr-only">Close</span>
         </DialogPrimitive.Close>
diff --git a/src/components/ui/input.tsx b/src/components/ui/input.tsx
index f0ca715..e9c279d 100644
--- a/src/components/ui/input.tsx
+++ b/src/components/ui/input.tsx
@@ -8,7 +8,7 @@ function Input({ className, type, ...props }: React.ComponentProps<"input">) {
       data-slot="input"
       className={cn(
         "h-9 w-full rounded-sm border border-stroke bg-card px-3 text-13 text-strong shadow-[var(--shadow-xs)]",
-        "placeholder:text-faint transition-colors duration-[120ms]",
+        "placeholder:text-faint transition-colors duration-120",
         "outline-none focus-visible:border-accent focus-visible:shadow-[var(--ring-accent)]",
         "disabled:opacity-45 disabled:cursor-not-allowed",
         "aria-invalid:border-danger aria-invalid:focus-visible:shadow-[var(--ring-danger)]",
diff --git a/src/components/ui/progress.tsx b/src/components/ui/progress.tsx
index 5482688..0e7a0c2 100644
--- a/src/components/ui/progress.tsx
+++ b/src/components/ui/progress.tsx
@@ -13,7 +13,7 @@ function Progress({
       {...props}
     >
       <ProgressPrimitive.Indicator
-        className={cn("h-full rounded-pill bg-accent transition-[width] duration-[260ms] ease-[var(--ease-out)]", indicatorClassName)}
+        className={cn("h-full rounded-pill bg-accent transition-[width] duration-260 ease-[var(--ease-out)]", indicatorClassName)}
         style={{ width: `${value ?? 0}%` }}
       />
     </ProgressPrimitive.Root>
diff --git a/src/components/ui/select.tsx b/src/components/ui/select.tsx
index 5d9de65..f84f5d7 100644
--- a/src/components/ui/select.tsx
+++ b/src/components/ui/select.tsx
@@ -14,7 +14,7 @@ function SelectTrigger({ className, children, ...props }: React.ComponentProps<t
       data-slot="select-trigger"
       className={cn(
         "flex h-9 w-full items-center justify-between gap-2 rounded-sm border border-stroke bg-card px-3 text-13 text-strong",
-        "shadow-[var(--shadow-xs)] outline-none transition-colors duration-[120ms]",
+        "shadow-[var(--shadow-xs)] outline-none transition-colors duration-120",
         "focus-visible:border-accent focus-visible:shadow-[var(--ring-accent)] disabled:opacity-45 disabled:cursor-not-allowed",
         className
       )}
diff --git a/src/components/ui/sheet.tsx b/src/components/ui/sheet.tsx
index d7396bb..1d5cfae 100644
--- a/src/components/ui/sheet.tsx
+++ b/src/components/ui/sheet.tsx
@@ -36,7 +36,7 @@ function SheetOverlay({
     <SheetPrimitive.Overlay
       data-slot="sheet-overlay"
       className={cn(
-        "fixed inset-0 z-50 bg-black/50 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:animate-in data-[state=open]:fade-in-0",
+        "fixed inset-0 z-50 bg-overlay backdrop-blur-[6px] data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:animate-in data-[state=open]:fade-in-0",
         className
       )}
       {...props}
@@ -60,7 +60,7 @@ function SheetContent({
       <SheetPrimitive.Content
         data-slot="sheet-content"
         className={cn(
-          "fixed z-50 flex flex-col gap-4 bg-background shadow-lg transition ease-in-out data-[state=closed]:animate-out data-[state=closed]:duration-300 data-[state=open]:animate-in data-[state=open]:duration-500",
+          "fixed z-50 flex flex-col gap-4 bg-background shadow-lg transition ease-in-out data-[state=closed]:animate-out data-[state=closed]:duration-260 data-[state=open]:animate-in data-[state=open]:duration-260",
           side === "right" &&
             "inset-y-0 right-0 h-full w-3/4 border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
           side === "left" &&
@@ -125,7 +125,7 @@ function SheetDescription({
   return (
     <SheetPrimitive.Description
       data-slot="sheet-description"
-      className={cn("text-sm text-muted-foreground", className)}
+      className={cn("text-13 text-muted-foreground", className)}
       {...props}
     />
   )
diff --git a/src/components/ui/sidebar.tsx b/src/components/ui/sidebar.tsx
index 292679e..7226e1e 100644
--- a/src/components/ui/sidebar.tsx
+++ b/src/components/ui/sidebar.tsx
@@ -218,7 +218,7 @@ function Sidebar({
       <div
         data-slot="sidebar-gap"
         className={cn(
-          "relative w-(--sidebar-width) bg-transparent transition-[width] duration-200 ease-linear",
+          "relative w-(--sidebar-width) bg-transparent transition-[width] duration-260 ease-out",
           "group-data-[collapsible=offcanvas]:w-0",
           "group-data-[side=right]:rotate-180",
           variant === "floating" || variant === "inset"
@@ -229,7 +229,7 @@ function Sidebar({
       <div
         data-slot="sidebar-container"
         className={cn(
-          "fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-200 ease-linear lg:flex",
+          "fixed inset-y-0 z-10 hidden h-svh w-(--sidebar-width) transition-[left,right,width] duration-260 ease-out lg:flex",
           side === "left"
             ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
             : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
@@ -405,7 +405,7 @@ function SidebarGroupLabel({
       data-slot="sidebar-group-label"
       data-sidebar="group-label"
       className={cn(
-        "flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 ring-sidebar-ring outline-hidden transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        "flex h-8 shrink-0 items-center rounded-md px-2 text-12 font-medium text-sidebar-foreground/70 ring-sidebar-ring outline-hidden transition-[margin,opacity] duration-260 ease-out focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
         "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
         className
       )}
@@ -445,7 +445,7 @@ function SidebarGroupContent({
     <div
       data-slot="sidebar-group-content"
       data-sidebar="group-content"
-      className={cn("w-full text-sm", className)}
+      className={cn("w-full text-13", className)}
       {...props}
     />
   )
@@ -474,7 +474,7 @@ function SidebarMenuItem({ className, ...props }: React.ComponentProps<"li">) {
 }
 
 const sidebarMenuButtonVariants = cva(
-  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm ring-sidebar-ring outline-hidden transition-[width,height,padding] group-has-data-[sidebar=menu-action]/menu-item:pr-8 group-data-[collapsible=icon]:size-8! group-data-[collapsible=icon]:p-2! hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-13 ring-sidebar-ring outline-hidden transition-[width,height,padding] group-has-data-[sidebar=menu-action]/menu-item:pr-8 group-data-[collapsible=icon]:size-8! group-data-[collapsible=icon]:p-2! hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
   {
     variants: {
       variant: {
@@ -483,9 +483,9 @@ const sidebarMenuButtonVariants = cva(
           "bg-background shadow-[0_0_0_1px_var(--sidebar-border)] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_var(--sidebar-accent)]",
       },
       size: {
-        default: "h-8 text-sm",
-        sm: "h-7 text-xs",
-        lg: "h-12 text-sm group-data-[collapsible=icon]:p-0!",
+        default: "h-8 text-13",
+        sm: "h-7 text-12",
+        lg: "h-12 text-13 group-data-[collapsible=icon]:p-0!",
       },
     },
     defaultVariants: {
@@ -586,7 +586,7 @@ function SidebarMenuBadge({
       data-slot="sidebar-menu-badge"
       data-sidebar="menu-badge"
       className={cn(
-        "pointer-events-none absolute right-1 flex h-5 min-w-5 items-center justify-center rounded-md px-1 text-xs font-medium text-sidebar-foreground tabular-nums select-none",
+        "pointer-events-none absolute right-1 flex h-5 min-w-5 items-center justify-center rounded-md px-1 text-12 font-medium text-sidebar-foreground tabular-nums select-none",
         "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
         "peer-data-[size=sm]/menu-button:top-1",
         "peer-data-[size=default]/menu-button:top-1.5",
@@ -688,8 +688,8 @@ function SidebarMenuSubButton({
       className={cn(
         "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground ring-sidebar-ring outline-hidden hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
         "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
-        size === "sm" && "text-xs",
-        size === "md" && "text-sm",
+        size === "sm" && "text-12",
+        size === "md" && "text-13",
         "group-data-[collapsible=icon]:hidden",
         className
       )}
diff --git a/src/components/ui/skeleton.tsx b/src/components/ui/skeleton.tsx
index 800df10..1801240 100644
--- a/src/components/ui/skeleton.tsx
+++ b/src/components/ui/skeleton.tsx
@@ -8,7 +8,7 @@ function Skeleton({ className, ...props }: React.ComponentProps<"div">) {
       className={cn("relative overflow-hidden rounded-sm bg-inset", className)}
       {...props}
     >
-      <div className="absolute inset-0 animate-[var(--animate-shimmer)] bg-gradient-to-r from-transparent via-black/[.04] to-transparent" />
+      <div className="absolute inset-0 animate-[var(--animate-shimmer)] bg-gradient-to-r from-transparent via-active to-transparent" />
     </div>
   );
 }
diff --git a/src/components/ui/switch.tsx b/src/components/ui/switch.tsx
index ab48be8..bcb864b 100644
--- a/src/components/ui/switch.tsx
+++ b/src/components/ui/switch.tsx
@@ -8,13 +8,13 @@ function Switch({ className, ...props }: React.ComponentProps<typeof SwitchPrimi
     <SwitchPrimitive.Root
       className={cn(
         "peer inline-flex h-5 w-9 shrink-0 items-center rounded-pill border border-transparent p-0.5",
-        "bg-[var(--n-300)] transition-colors duration-[120ms] data-[state=checked]:bg-accent",
+        "bg-[var(--n-300)] transition-colors duration-120 data-[state=checked]:bg-accent",
         "outline-none focus-visible:shadow-[var(--ring-accent)] disabled:opacity-45 disabled:cursor-not-allowed",
         className
       )}
       {...props}
     >
-      <SwitchPrimitive.Thumb className="pointer-events-none block size-4 rounded-pill bg-white shadow-[var(--shadow-xs)] transition-transform duration-[180ms] ease-[var(--ease-out)] data-[state=checked]:translate-x-4" />
+      <SwitchPrimitive.Thumb className="pointer-events-none block size-4 rounded-pill bg-on-accent shadow-[var(--shadow-xs)] transition-transform duration-180 ease-[var(--ease-out)] data-[state=checked]:translate-x-4" />
     </SwitchPrimitive.Root>
   );
 }
diff --git a/src/components/ui/table.tsx b/src/components/ui/table.tsx
index 9f36600..aa3c0fa 100644
--- a/src/components/ui/table.tsx
+++ b/src/components/ui/table.tsx
@@ -22,7 +22,7 @@ function TableRow({ className, ...props }: React.ComponentProps<"tr">) {
     <tr
       data-slot="table-row"
       className={cn(
-        "border-b border-subtle transition-colors duration-[120ms] hover:bg-hover",
+        "border-b border-subtle transition-colors duration-120 hover:bg-hover",
         "data-[selected=true]:bg-accent-tint data-[selected=true]:shadow-[inset_2px_0_0_var(--accent)]",
         className
       )}
diff --git a/src/components/ui/tabs.tsx b/src/components/ui/tabs.tsx
index baff7c8..ab057e0 100644
--- a/src/components/ui/tabs.tsx
+++ b/src/components/ui/tabs.tsx
@@ -20,7 +20,7 @@ const TabsTrigger = ({ className, ...props }: React.ComponentProps<typeof TabsPr
   <TabsPrimitive.Trigger
     data-slot="tabs-trigger"
     className={cn(
-      "relative -mb-px h-9 px-3 text-13 font-medium text-muted transition-colors duration-[120ms]",
+      "relative -mb-px h-9 px-3 text-13 font-medium text-muted transition-colors duration-120",
       "border-b-2 border-transparent hover:text-strong",
       "data-[state=active]:text-strong data-[state=active]:border-accent",
       "outline-none focus-visible:shadow-[var(--ring-accent)] rounded-t-xs",
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index eba28f2..ce523bc 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -4,7 +4,7 @@ import { extendTailwindMerge } from "tailwind-merge";
 /**
  * The type scale is numeric (text-11 … text-44), which tailwind-merge cannot tell
  * apart from a colour utility — it would file `text-13` under `text-color` and let
- * it silently drop `text-on-accent` / `text-white`. Teaching it the scale keeps
+ * it silently drop `text-on-accent` / `text-on-overlay`. Teaching it the scale keeps
  * size and colour in separate conflict groups, so both survive a merge.
  */
 // "code" n'est pas sur l'echelle numerique mais c'est bien une taille (12.5px) : sans lui,
diff --git a/src/styles.css b/src/styles.css
index c792485..97890df 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -177,6 +177,7 @@
   --color-muted: var(--text-muted);
   --color-faint: var(--text-faint);
   --color-on-accent: var(--text-on-accent);
+  --color-on-overlay: var(--text-on-overlay);
 
   --color-accent: var(--accent);
   --color-accent-hover: var(--accent-hover);