a11y: Tasks 2-6 - App shell, Titlebar, ToggleSwitch, Stepper, animate.ts

- Add skip-to-content link and dynamic document title (App.svelte)
- Wrap titlebar in header landmark, enlarge traffic lights to 44px (Titlebar.svelte)
- Enlarge toggle switch to 52x28, improve OFF knob contrast (ToggleSwitch.svelte)
- Enlarge stepper buttons to 36px, add keyboard hold-to-repeat (Stepper.svelte)
- Add keyboard feedback to pressable, focus glow to glowHover (animate.ts)

src/App.svelte

@@ -75,6 +75,17 @@
     });
   });
 
+  // WCAG 2.4.2: Document title reflects current view
+  $effect(() => {
+    const viewNames: Record<string, string> = {
+      dashboard: "Dashboard",
+      breakScreen: "Break",
+      settings: "Settings",
+      stats: "Statistics",
+    };
+    document.title = `Core Cooldown — ${viewNames[effectiveView] ?? "Dashboard"}`;
+  });
+
   // When fullscreen_mode is OFF, the separate break window handles breaks,
   // so the main window should keep showing whatever view it was on (dashboard).
   const effectiveView = $derived(
@@ -85,11 +96,13 @@
 </script>
 
 <main class="relative h-full bg-black">
+  <a href="#main-content" class="skip-link">Skip to content</a>
   {#if $config.background_blobs_enabled}
     <BackgroundBlobs accentColor={$config.accent_color} breakColor={$config.break_color} />
   {/if}
   <Titlebar />
   <div
+    id="main-content"
     class="relative h-full overflow-hidden origin-top-left"
     style="
       transform: scale({zoomScale});

src/lib/components/Stepper.svelte

@@ -55,20 +55,34 @@
     if (holdTimer) { clearTimeout(holdTimer); holdTimer = null; }
     if (holdInterval) { clearTimeout(holdInterval as unknown as ReturnType<typeof setTimeout>); holdInterval = null; }
   }
+
+  function handleKeydown(fn: () => void, e: KeyboardEvent) {
+    if (["Enter", " "].includes(e.key)) {
+      e.preventDefault();
+      startHold(fn);
+    }
+  }
+
+  function handleKeyup(e: KeyboardEvent) {
+    if (["Enter", " "].includes(e.key)) {
+      stopHold();
+    }
+  }
 </script>
 
 <div class="flex items-center gap-1.5" role="group" aria-label={label}>
   <button
     type="button"
     aria-label="Decrease"
-    class="flex h-7 w-7 items-center justify-center rounded-lg
+    class="flex h-9 w-9 min-h-[44px] min-w-[44px] items-center justify-center rounded-lg
-           bg-[#141414] text-[#8a8a8a] transition-colors
+           border border-[#3a3a3a] bg-[#1a1a1a] text-text-sec transition-colors
            hover:bg-[#1c1c1c] hover:text-white
            disabled:opacity-20"
     onmousedown={() => startHold(decrement)}
     onmouseup={stopHold}
     onmouseleave={stopHold}
-    onclick={(e) => { if (e.detail === 0) decrement(); }}
+    onkeydown={(e) => handleKeydown(decrement, e)}
+    onkeyup={handleKeyup}
     disabled={value <= min}
   >
     &minus;
@@ -79,14 +93,15 @@
   <button
     type="button"
     aria-label="Increase"
-    class="flex h-7 w-7 items-center justify-center rounded-lg
+    class="flex h-9 w-9 min-h-[44px] min-w-[44px] items-center justify-center rounded-lg
-           bg-[#141414] text-[#8a8a8a] transition-colors
+           border border-[#3a3a3a] bg-[#1a1a1a] text-text-sec transition-colors
            hover:bg-[#1c1c1c] hover:text-white
            disabled:opacity-20"
     onmousedown={() => startHold(increment)}
     onmouseup={stopHold}
     onmouseleave={stopHold}
-    onclick={(e) => { if (e.detail === 0) increment(); }}
+    onkeydown={(e) => handleKeydown(increment, e)}
+    onkeyup={handleKeyup}
     disabled={value >= max}
   >
     +

src/lib/components/Titlebar.svelte

@@ -5,7 +5,8 @@
 </script>
 
 <!-- Invisible drag region – traffic lights on the right -->
-<div
+<header
+  role="banner"
   data-tauri-drag-region
   class="group absolute top-0 left-0 right-0 z-50 flex h-10 items-center justify-end pr-3.5 select-none"
 >
@@ -20,15 +21,14 @@
   </span>
 
   <!-- Traffic light buttons (order: maximize, minimize, close → close is rightmost) -->
-  <div class="flex items-center gap-[8px] opacity-10 transition-opacity duration-300 group-hover:opacity-100 group-focus-within:opacity-100">
+  <div class="flex items-center gap-0 opacity-10 transition-opacity duration-300 group-hover:opacity-100 group-focus-within:opacity-100">
     <!-- Maximize (green) -->
     <button
       aria-label="Maximize"
-      class="traffic-btn group/btn relative flex h-[15px] w-[15px] items-center justify-center
+      class="group/btn relative flex h-[44px] w-[44px] items-center justify-center"
-             rounded-full bg-[#27C93F] transition-all duration-150
-             hover:brightness-110"
       onclick={() => appWindow.toggleMaximize()}
     >
+      <span class="flex h-[20px] w-[20px] items-center justify-center rounded-full bg-[#27C93F] transition-all duration-150 group-hover/btn:brightness-110">
         <svg
           class="absolute opacity-0 transition-opacity duration-150 group-hover/btn:opacity-100"
           width="8"
@@ -40,16 +40,16 @@
           <polyline points="7,3 7,1 5,1" stroke="#006500" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" fill="none" />
           <line x1="1" y1="7" x2="7" y2="1" stroke="#006500" stroke-width="1.2" stroke-linecap="round" />
         </svg>
+      </span>
     </button>
 
     <!-- Minimize (yellow) -->
     <button
       aria-label="Minimize"
-      class="traffic-btn group/btn relative flex h-[15px] w-[15px] items-center justify-center
+      class="group/btn relative flex h-[44px] w-[44px] items-center justify-center"
-             rounded-full bg-[#FFBD2E] transition-all duration-150
-             hover:brightness-110"
       onclick={() => appWindow.minimize()}
     >
+      <span class="flex h-[20px] w-[20px] items-center justify-center rounded-full bg-[#FFBD2E] transition-all duration-150 group-hover/btn:brightness-110">
         <svg
           class="absolute opacity-0 transition-opacity duration-150 group-hover/btn:opacity-100"
           width="8"
@@ -59,16 +59,16 @@
         >
           <line x1="1" y1="1" x2="7" y2="1" stroke="#995700" stroke-width="1.3" stroke-linecap="round" />
         </svg>
+      </span>
     </button>
 
     <!-- Close (red) — rightmost -->
     <button
       aria-label="Close"
-      class="traffic-btn group/btn relative flex h-[15px] w-[15px] items-center justify-center
+      class="group/btn relative flex h-[44px] w-[44px] items-center justify-center"
-             rounded-full bg-[#FF5F57] transition-all duration-150
-             hover:brightness-110"
       onclick={() => appWindow.close()}
     >
+      <span class="flex h-[20px] w-[20px] items-center justify-center rounded-full bg-[#FF5F57] transition-all duration-150 group-hover/btn:brightness-110">
         <svg
           class="absolute opacity-0 transition-opacity duration-150 group-hover/btn:opacity-100"
           width="8"
@@ -79,6 +79,7 @@
           <line x1="1.5" y1="1.5" x2="6.5" y2="6.5" stroke="#4a0002" stroke-width="1.3" stroke-linecap="round" />
           <line x1="6.5" y1="1.5" x2="1.5" y2="6.5" stroke="#4a0002" stroke-width="1.3" stroke-linecap="round" />
         </svg>
+      </span>
     </button>
   </div>
-</div>
+</header>

src/lib/components/ToggleSwitch.svelte

@@ -20,14 +20,14 @@
   role="switch"
   aria-label={label}
   aria-checked={checked}
-  class="relative inline-flex h-[24px] w-[48px] shrink-0 cursor-pointer rounded-full
+  class="relative inline-flex h-[28px] w-[52px] min-h-[44px] shrink-0 cursor-pointer rounded-full
          transition-colors duration-200 ease-in-out"
   style="background: {checked ? $config.accent_color : '#1a1a1a'};"
   onclick={toggle}
 >
   <span
-    class="pointer-events-none inline-block h-[19px] w-[19px] rounded-full
+    class="pointer-events-none inline-block h-[22px] w-[22px] rounded-full
            shadow-sm transition-transform duration-200 ease-in-out
-           {checked ? 'translate-x-[26px] bg-white' : 'translate-x-[3px] bg-[#444]'} mt-[2.5px]"
+           {checked ? 'translate-x-[27px] bg-white' : 'translate-x-[3px] bg-[#666]'} mt-[3px]"
   ></span>
 </button>

src/lib/utils/animate.ts

@@ -140,15 +140,32 @@ export function pressable(node: HTMLElement) {
     );
   }
 
+  function onKeyDown(e: KeyboardEvent) {
+    if (e.key === "Enter" || e.key === " ") {
+      e.preventDefault();
+      onDown();
+    }
+  }
+
+  function onKeyUp(e: KeyboardEvent) {
+    if (e.key === "Enter" || e.key === " ") {
+      onUp();
+    }
+  }
+
   node.addEventListener("mousedown", onDown);
   node.addEventListener("mouseup", onUp);
   node.addEventListener("mouseleave", onUp);
+  node.addEventListener("keydown", onKeyDown);
+  node.addEventListener("keyup", onKeyUp);
 
   return {
     destroy() {
       node.removeEventListener("mousedown", onDown);
       node.removeEventListener("mouseup", onUp);
       node.removeEventListener("mouseleave", onUp);
+      node.removeEventListener("keydown", onKeyDown);
+      node.removeEventListener("keyup", onKeyUp);
       active?.cancel();
     },
   };
@@ -200,6 +217,8 @@ export function glowHover(
 
   node.addEventListener("mouseenter", onEnter);
   node.addEventListener("mouseleave", onLeave);
+  node.addEventListener("focusin", onEnter);
+  node.addEventListener("focusout", onLeave);
 
   return {
     update(newOptions?: { color?: string }) {
@@ -209,6 +228,8 @@ export function glowHover(
     destroy() {
       node.removeEventListener("mouseenter", onEnter);
       node.removeEventListener("mouseleave", onLeave);
+      node.removeEventListener("focusin", onEnter);
+      node.removeEventListener("focusout", onLeave);
       enterAnim?.cancel();
       leaveAnim?.cancel();
     },