diff --git a/src/lib/components/CompactMode.svelte b/src/lib/components/CompactMode.svelte
index c76acce..5dbbbd1 100644
--- a/src/lib/components/CompactMode.svelte
+++ b/src/lib/components/CompactMode.svelte
@@ -249,6 +249,9 @@
     -webkit-mask:
       linear-gradient(#fff 0 0) content-box,
       linear-gradient(#fff 0 0);
+    mask:
+      linear-gradient(#fff 0 0) content-box,
+      linear-gradient(#fff 0 0);
     -webkit-mask-composite: xor;
     mask-composite: exclude;
     opacity: 0;
diff --git a/src/lib/components/ConfigSidebar.svelte b/src/lib/components/ConfigSidebar.svelte
index 4aea4e0..c664009 100644
--- a/src/lib/components/ConfigSidebar.svelte
+++ b/src/lib/components/ConfigSidebar.svelte
@@ -458,11 +458,12 @@
 
       <!-- Theme Selection -->
       <div class="mb-4">
-        <label class="block text-sm text-[var(--text-secondary)] mb-2">Theme</label>
-        <div class="flex flex-wrap gap-2">
+        <span class="block text-sm text-[var(--text-secondary)] mb-2">Theme</span>
+        <div class="flex flex-wrap gap-2" role="group" aria-label="Theme selection">
           <button
             onclick={() => handleThemeChange("dark")}
-            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme === 'dark'
+            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme ===
+            'dark'
               ? 'bg-[var(--accent-primary)] border-[var(--accent-primary)] text-white'
               : 'bg-[var(--bg-primary)] border-[var(--border-color)] text-[var(--text-secondary)] hover:border-[var(--accent-primary)]'}"
           >
@@ -470,7 +471,8 @@
           </button>
           <button
             onclick={() => handleThemeChange("light")}
-            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme === 'light'
+            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme ===
+            'light'
               ? 'bg-[var(--accent-primary)] border-[var(--accent-primary)] text-white'
               : 'bg-[var(--bg-primary)] border-[var(--border-color)] text-[var(--text-secondary)] hover:border-[var(--accent-primary)]'}"
           >
@@ -488,7 +490,8 @@
           </button>
           <button
             onclick={() => handleThemeChange("custom")}
-            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme === 'custom'
+            class="flex-1 min-w-[70px] px-3 py-2 rounded-lg border transition-colors {config.theme ===
+            'custom'
               ? 'bg-[var(--accent-primary)] border-[var(--accent-primary)] text-white'
               : 'bg-[var(--bg-primary)] border-[var(--border-color)] text-[var(--text-secondary)] hover:border-[var(--accent-primary)]'}"
             title="Create your own custom theme"
@@ -504,9 +507,12 @@
           <h4 class="text-sm font-medium text-[var(--text-primary)] mb-3">Custom Theme Colors</h4>
           <div class="grid grid-cols-2 gap-3">
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Background</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-bg-primary"
+                >Background</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-bg-primary"
                   type="color"
                   value={config.custom_theme_colors.bg_primary || defaultDarkColors.bg_primary}
                   oninput={(e) => handleCustomColorChange("bg_primary", e.currentTarget.value)}
@@ -518,9 +524,12 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Secondary BG</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-bg-secondary"
+                >Secondary BG</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-bg-secondary"
                   type="color"
                   value={config.custom_theme_colors.bg_secondary || defaultDarkColors.bg_secondary}
                   oninput={(e) => handleCustomColorChange("bg_secondary", e.currentTarget.value)}
@@ -532,9 +541,12 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Terminal BG</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-bg-terminal"
+                >Terminal BG</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-bg-terminal"
                   type="color"
                   value={config.custom_theme_colors.bg_terminal || defaultDarkColors.bg_terminal}
                   oninput={(e) => handleCustomColorChange("bg_terminal", e.currentTarget.value)}
@@ -546,9 +558,10 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Border</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-border">Border</label>
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-border"
                   type="color"
                   value={config.custom_theme_colors.border_color || defaultDarkColors.border_color}
                   oninput={(e) => handleCustomColorChange("border_color", e.currentTarget.value)}
@@ -560,11 +573,15 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Accent Primary</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-accent-primary"
+                >Accent Primary</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-accent-primary"
                   type="color"
-                  value={config.custom_theme_colors.accent_primary || defaultDarkColors.accent_primary}
+                  value={config.custom_theme_colors.accent_primary ||
+                    defaultDarkColors.accent_primary}
                   oninput={(e) => handleCustomColorChange("accent_primary", e.currentTarget.value)}
                   class="color-picker"
                 />
@@ -574,23 +591,32 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Accent Secondary</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-accent-secondary"
+                >Accent Secondary</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-accent-secondary"
                   type="color"
-                  value={config.custom_theme_colors.accent_secondary || defaultDarkColors.accent_secondary}
-                  oninput={(e) => handleCustomColorChange("accent_secondary", e.currentTarget.value)}
+                  value={config.custom_theme_colors.accent_secondary ||
+                    defaultDarkColors.accent_secondary}
+                  oninput={(e) =>
+                    handleCustomColorChange("accent_secondary", e.currentTarget.value)}
                   class="color-picker"
                 />
                 <span class="text-xs text-[var(--text-tertiary)] font-mono">
-                  {config.custom_theme_colors.accent_secondary || defaultDarkColors.accent_secondary}
+                  {config.custom_theme_colors.accent_secondary ||
+                    defaultDarkColors.accent_secondary}
                 </span>
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Text Primary</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-text-primary"
+                >Text Primary</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-text-primary"
                   type="color"
                   value={config.custom_theme_colors.text_primary || defaultDarkColors.text_primary}
                   oninput={(e) => handleCustomColorChange("text_primary", e.currentTarget.value)}
@@ -602,11 +628,15 @@
               </div>
             </div>
             <div class="color-input-group">
-              <label class="text-xs text-[var(--text-secondary)]">Text Secondary</label>
+              <label class="text-xs text-[var(--text-secondary)]" for="color-text-secondary"
+                >Text Secondary</label
+              >
               <div class="flex gap-2 items-center">
                 <input
+                  id="color-text-secondary"
                   type="color"
-                  value={config.custom_theme_colors.text_secondary || defaultDarkColors.text_secondary}
+                  value={config.custom_theme_colors.text_secondary ||
+                    defaultDarkColors.text_secondary}
                   oninput={(e) => handleCustomColorChange("text_secondary", e.currentTarget.value)}
                   class="color-picker"
                 />
diff --git a/src/lib/components/GitPanel.svelte b/src/lib/components/GitPanel.svelte
index 4b2739c..058c439 100644
--- a/src/lib/components/GitPanel.svelte
+++ b/src/lib/components/GitPanel.svelte
@@ -279,8 +279,15 @@
 <svelte:window on:keydown={handleKeydown} />
 
 {#if isOpen}
+  <!-- svelte-ignore a11y_click_events_have_key_events -->
   <div class="git-panel-overlay" on:click={onClose} role="presentation">
-    <div class="git-panel" on:click|stopPropagation role="dialog" aria-label="Git Panel">
+    <div
+      class="git-panel"
+      on:click|stopPropagation
+      role="dialog"
+      aria-label="Git Panel"
+      tabindex="-1"
+    >
       <div class="git-panel-header">
         <h2>🔀 Git</h2>
         <button class="close-btn" on:click={onClose} title="Close (Esc)">✕</button>
@@ -580,8 +587,15 @@
   </div>
 
   {#if showDiff}
+    <!-- svelte-ignore a11y_click_events_have_key_events -->
     <div class="diff-overlay" on:click={() => (showDiff = false)} role="presentation">
-      <div class="diff-modal" on:click|stopPropagation role="dialog" aria-label="Diff View">
+      <div
+        class="diff-modal"
+        on:click|stopPropagation
+        role="dialog"
+        aria-label="Diff View"
+        tabindex="-1"
+      >
         <div class="diff-header">
           <h3>📄 {diffFile}</h3>
           <button on:click={() => (showDiff = false)} title="Close">✕</button>
@@ -938,10 +952,6 @@
     cursor: pointer;
   }
 
-  .new-branch-input button:first-of-type {
-    /* Styling handled by btn-trans-gradient class */
-  }
-
   .new-branch-input button:last-of-type {
     background: var(--bg-tertiary);
     color: var(--text-primary);
diff --git a/src/lib/components/ProfilePanel.svelte b/src/lib/components/ProfilePanel.svelte
index 4523ec7..671bd0e 100644
--- a/src/lib/components/ProfilePanel.svelte
+++ b/src/lib/components/ProfilePanel.svelte
@@ -39,11 +39,12 @@
 
   let isGeneratingImage = false;
 
-  $: unlockedCount = Object.values($achievementsStore.achievements).filter((a) => a.unlocked).length;
+  $: unlockedCount = Object.values($achievementsStore.achievements).filter(
+    (a) => a.unlocked
+  ).length;
   $: totalAchievements = Object.values($achievementsStore.achievements).length;
-  $: achievementPercentage = totalAchievements > 0
-    ? Math.round((unlockedCount / totalAchievements) * 100)
-    : 0;
+  $: achievementPercentage =
+    totalAchievements > 0 ? Math.round((unlockedCount / totalAchievements) * 100) : 0;
 
   async function selectAvatar() {
     try {
@@ -82,11 +83,15 @@
   async function loadAvatarAsDataUrl(path: string): Promise<string | null> {
     try {
       const data = await readFile(path);
-      const extension = path.split('.').pop()?.toLowerCase() || 'png';
-      const mimeType = extension === 'jpg' || extension === 'jpeg' ? 'image/jpeg'
-        : extension === 'gif' ? 'image/gif'
-        : extension === 'webp' ? 'image/webp'
-        : 'image/png';
+      const extension = path.split(".").pop()?.toLowerCase() || "png";
+      const mimeType =
+        extension === "jpg" || extension === "jpeg"
+          ? "image/jpeg"
+          : extension === "gif"
+            ? "image/gif"
+            : extension === "webp"
+              ? "image/webp"
+              : "image/png";
       // Convert Uint8Array to base64 in chunks to avoid stack overflow
       const blob = new Blob([data], { type: mimeType });
       return new Promise((resolve) => {
@@ -123,7 +128,7 @@
     const stripeColors = ["#5bcefa", "#f5a9b8", "#ffffff", "#f5a9b8", "#5bcefa"];
     stripeColors.forEach((color, i) => {
       ctx.fillStyle = color;
-      ctx.fillRect(0, i * (stripeHeight / 5) * 2, width, stripeHeight / 5 * 2);
+      ctx.fillRect(0, i * (stripeHeight / 5) * 2, width, (stripeHeight / 5) * 2);
     });
 
     // Border
@@ -154,7 +159,13 @@
             img.onerror = () => reject();
             img.src = dataUrl;
           });
-          ctx.drawImage(img, avatarX - avatarRadius, avatarY - avatarRadius, avatarRadius * 2, avatarRadius * 2);
+          ctx.drawImage(
+            img,
+            avatarX - avatarRadius,
+            avatarY - avatarRadius,
+            avatarRadius * 2,
+            avatarRadius * 2
+          );
           avatarLoaded = true;
         }
       } catch {
@@ -163,12 +174,22 @@
     }
 
     if (!avatarLoaded) {
-      const avatarGradient = ctx.createLinearGradient(avatarX - avatarRadius, avatarY - avatarRadius, avatarX + avatarRadius, avatarY + avatarRadius);
+      const avatarGradient = ctx.createLinearGradient(
+        avatarX - avatarRadius,
+        avatarY - avatarRadius,
+        avatarX + avatarRadius,
+        avatarY + avatarRadius
+      );
       avatarGradient.addColorStop(0, "#5bcefa");
       avatarGradient.addColorStop(0.5, "#f5a9b8");
       avatarGradient.addColorStop(1, "#5bcefa");
       ctx.fillStyle = avatarGradient;
-      ctx.fillRect(avatarX - avatarRadius, avatarY - avatarRadius, avatarRadius * 2, avatarRadius * 2);
+      ctx.fillRect(
+        avatarX - avatarRadius,
+        avatarY - avatarRadius,
+        avatarRadius * 2,
+        avatarRadius * 2
+      );
     }
     ctx.restore();
 
@@ -260,13 +281,23 @@
     progressGradient.addColorStop(1, "#5bcefa");
     ctx.fillStyle = progressGradient;
     ctx.beginPath();
-    ctx.roundRect(progressX, progressY, progressWidth * (achievementPercentage / 100), progressHeight, 22);
+    ctx.roundRect(
+      progressX,
+      progressY,
+      progressWidth * (achievementPercentage / 100),
+      progressHeight,
+      22
+    );
     ctx.fill();
 
     // Progress text
     ctx.fillStyle = "#ffffff";
     ctx.font = "bold 36px system-ui, -apple-system, sans-serif";
-    ctx.fillText(`${unlockedCount} / ${totalAchievements} (${achievementPercentage}%)`, progressX + progressWidth + 40, progressY + 34);
+    ctx.fillText(
+      `${unlockedCount} / ${totalAchievements} (${achievementPercentage}%)`,
+      progressX + progressWidth + 40,
+      progressY + 34
+    );
 
     // Hikari branding
     ctx.fillStyle = "#f5a9b8";
@@ -312,7 +343,14 @@
     <div class="profile-header">
       <h2>Profile</h2>
       <button class="close-btn" on:click={onClose} aria-label="Close profile">
-        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+        <svg
+          width="20"
+          height="20"
+          viewBox="0 0 24 24"
+          fill="none"
+          stroke="currentColor"
+          stroke-width="2"
+        >
           <path d="M18 6L6 18M6 6l12 12" />
         </svg>
       </button>
@@ -321,7 +359,13 @@
     <div class="profile-content">
       <!-- Avatar Section -->
       <div class="avatar-section">
-        <div class="avatar-container" on:click={selectAvatar} role="button" tabindex="0" on:keydown={(e) => e.key === 'Enter' && selectAvatar()}>
+        <div
+          class="avatar-container"
+          on:click={selectAvatar}
+          role="button"
+          tabindex="0"
+          on:keydown={(e) => e.key === "Enter" && selectAvatar()}
+        >
           {#if avatarDataUrl}
             <img src={avatarDataUrl} alt="Profile avatar" class="avatar-image" />
             <div class="avatar-overlay">
@@ -329,7 +373,14 @@
             </div>
           {:else}
             <div class="avatar-placeholder">
-              <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
+              <svg
+                width="48"
+                height="48"
+                viewBox="0 0 24 24"
+                fill="none"
+                stroke="currentColor"
+                stroke-width="1.5"
+              >
                 <path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2" />
                 <circle cx="12" cy="7" r="4" />
               </svg>
@@ -350,13 +401,26 @@
             bind:value={nameInput}
             placeholder="Enter your name"
             class="name-input"
-            on:keydown={(e) => e.key === 'Enter' && saveName()}
+            on:keydown={(e) => e.key === "Enter" && saveName()}
             on:blur={saveName}
           />
         {:else}
-          <button class="name-display" on:click={() => { editingName = true; nameInput = config.profile_name || ""; }}>
+          <button
+            class="name-display"
+            on:click={() => {
+              editingName = true;
+              nameInput = config.profile_name || "";
+            }}
+          >
             <span class="name-text">{config.profile_name || "Click to add name"}</span>
-            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+            <svg
+              width="16"
+              height="16"
+              viewBox="0 0 24 24"
+              fill="none"
+              stroke="currentColor"
+              stroke-width="2"
+            >
               <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" />
               <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" />
             </svg>
@@ -377,7 +441,13 @@
           ></textarea>
           <button class="save-bio-btn btn-trans-gradient" on:click={saveBio}>Save</button>
         {:else}
-          <button class="bio-display" on:click={() => { editingBio = true; bioInput = config.profile_bio || ""; }}>
+          <button
+            class="bio-display"
+            on:click={() => {
+              editingBio = true;
+              bioInput = config.profile_bio || "";
+            }}
+          >
             <span class="bio-text">{config.profile_bio || "Click to add a bio..."}</span>
           </button>
         {/if}
@@ -421,18 +491,31 @@
           <div class="progress-bar">
             <div class="progress-fill" style="width: {achievementPercentage}%"></div>
           </div>
-          <span class="progress-text">{unlockedCount} / {totalAchievements} ({achievementPercentage}%)</span>
+          <span class="progress-text"
+            >{unlockedCount} / {totalAchievements} ({achievementPercentage}%)</span
+          >
         </div>
       </div>
 
       <!-- Share Section -->
       <div class="share-section">
-        <button class="share-btn btn-trans-gradient" on:click={shareProfile} disabled={isGeneratingImage}>
+        <button
+          class="share-btn btn-trans-gradient"
+          on:click={shareProfile}
+          disabled={isGeneratingImage}
+        >
           {#if isGeneratingImage}
             <span class="spinner"></span>
             Generating...
           {:else}
-            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+            <svg
+              width="18"
+              height="18"
+              viewBox="0 0 24 24"
+              fill="none"
+              stroke="currentColor"
+              stroke-width="2"
+            >
               <path d="M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8" />
               <polyline points="16 6 12 2 8 6" />
               <line x1="12" y1="2" x2="12" y2="15" />
@@ -761,7 +844,14 @@
 
   .progress-fill {
     height: 100%;
-    background: linear-gradient(90deg, var(--trans-blue), var(--trans-pink), var(--trans-white), var(--trans-pink), var(--trans-blue));
+    background: linear-gradient(
+      90deg,
+      var(--trans-blue),
+      var(--trans-pink),
+      var(--trans-white),
+      var(--trans-pink),
+      var(--trans-blue)
+    );
     background-size: 200% 100%;
     animation: shimmer 3s linear infinite;
     border-radius: 6px;
@@ -769,8 +859,12 @@
   }
 
   @keyframes shimmer {
-    0% { background-position: 200% 0; }
-    100% { background-position: -200% 0; }
+    0% {
+      background-position: 200% 0;
+    }
+    100% {
+      background-position: -200% 0;
+    }
   }
 
   .progress-text {
@@ -828,6 +922,8 @@
   }
 
   @keyframes spin {
-    to { transform: rotate(360deg); }
+    to {
+      transform: rotate(360deg);
+    }
   }
 </style>
diff --git a/src/lib/components/QuickActionsPanel.svelte b/src/lib/components/QuickActionsPanel.svelte
index 0afdc01..644d788 100644
--- a/src/lib/components/QuickActionsPanel.svelte
+++ b/src/lib/components/QuickActionsPanel.svelte
@@ -449,6 +449,7 @@
   .line-clamp-2 {
     display: -webkit-box;
     -webkit-line-clamp: 2;
+    line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
   }
diff --git a/src/lib/components/SessionHistoryPanel.svelte b/src/lib/components/SessionHistoryPanel.svelte
index 9c782b1..61a69f6 100644
--- a/src/lib/components/SessionHistoryPanel.svelte
+++ b/src/lib/components/SessionHistoryPanel.svelte
@@ -469,6 +469,7 @@
   .line-clamp-2 {
     display: -webkit-box;
     -webkit-line-clamp: 2;
+    line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
   }
diff --git a/src/lib/components/SnippetLibraryPanel.svelte b/src/lib/components/SnippetLibraryPanel.svelte
index ca45369..1edcd72 100644
--- a/src/lib/components/SnippetLibraryPanel.svelte
+++ b/src/lib/components/SnippetLibraryPanel.svelte
@@ -460,6 +460,7 @@
   .line-clamp-2 {
     display: -webkit-box;
     -webkit-line-clamp: 2;
+    line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
   }
diff --git a/src/lib/components/StatsDisplay.svelte b/src/lib/components/StatsDisplay.svelte
index 8590fc3..b9a3b4c 100644
--- a/src/lib/components/StatsDisplay.svelte
+++ b/src/lib/components/StatsDisplay.svelte
@@ -119,14 +119,6 @@
     opacity: 0.8;
   }
 
-  .stat-highlight {
-    font-weight: 600;
-    color: var(--accent-primary);
-    margin-top: 0.25rem;
-    padding-top: 0.25rem;
-    border-top: 1px solid var(--border-color);
-  }
-
   .stat-label {
     color: var(--text-secondary, #9ca3af);
   }
diff --git a/src/lib/components/UserQuestionModal.svelte b/src/lib/components/UserQuestionModal.svelte
index d22d5e1..39dc487 100644
--- a/src/lib/components/UserQuestionModal.svelte
+++ b/src/lib/components/UserQuestionModal.svelte
@@ -17,7 +17,7 @@
   hasQuestionPending.subscribe((pending) => {
     isVisible = pending;
     if (!pending) {
-      selectedOptions = new SvelteSet();
+      selectedOptions.clear();
       customAnswer = "";
       showCustomInput = false;
     }
diff --git a/src/lib/stores/achievements.ts b/src/lib/stores/achievements.ts
index 16dc960..7ae9a37 100644
--- a/src/lib/stores/achievements.ts
+++ b/src/lib/stores/achievements.ts
@@ -1502,12 +1502,25 @@ export const achievementCategories = [
   {
     name: "Token Milestones",
     description: "Track your token generation progress",
-    ids: ["FirstSteps", "GrowingStrong", "BlossomingCoder", "TokenMaster", "TokenBillionaire", "TokenTreasure"] as AchievementId[],
+    ids: [
+      "FirstSteps",
+      "GrowingStrong",
+      "BlossomingCoder",
+      "TokenMaster",
+      "TokenBillionaire",
+      "TokenTreasure",
+    ] as AchievementId[],
   },
   {
     name: "Code Generation",
     description: "Achievements for generating code",
-    ids: ["HelloWorld", "CodeWizard", "ThousandBlocks", "CodeFactory", "CodeEmpire"] as AchievementId[],
+    ids: [
+      "HelloWorld",
+      "CodeWizard",
+      "ThousandBlocks",
+      "CodeFactory",
+      "CodeEmpire",
+    ] as AchievementId[],
   },
   {
     name: "File Operations",
@@ -1517,7 +1530,13 @@ export const achievementCategories = [
   {
     name: "Conversations",
     description: "Building our relationship through chat",
-    ids: ["ConversationStarter", "ChattyKathy", "Conversationalist", "ChatMarathon", "ChatLegend"] as AchievementId[],
+    ids: [
+      "ConversationStarter",
+      "ChattyKathy",
+      "Conversationalist",
+      "ChatMarathon",
+      "ChatLegend",
+    ] as AchievementId[],
   },
   {
     name: "Tools & Skills",
@@ -1556,7 +1575,16 @@ export const achievementCategories = [
   {
     name: "Relationship & Greetings",
     description: "Our special moments together",
-    ids: ["GoodMorning", "GoodNight", "ThankYou", "LoveYou", "HelloHikari", "HowAreYou", "MissedYou", "BackAgain"] as AchievementId[],
+    ids: [
+      "GoodMorning",
+      "GoodNight",
+      "ThankYou",
+      "LoveYou",
+      "HelloHikari",
+      "HowAreYou",
+      "MissedYou",
+      "BackAgain",
+    ] as AchievementId[],
   },
   {
     name: "Personality & Fun",
@@ -1571,7 +1599,16 @@ export const achievementCategories = [
   {
     name: "Git & Development",
     description: "Version control mastery",
-    ids: ["GitGuru", "TestWriter", "Debugger", "CommitKing", "CommitLegend", "BranchMaster", "MergeExpert", "ConflictResolver"] as AchievementId[],
+    ids: [
+      "GitGuru",
+      "TestWriter",
+      "Debugger",
+      "CommitKing",
+      "CommitLegend",
+      "BranchMaster",
+      "MergeExpert",
+      "ConflictResolver",
+    ] as AchievementId[],
   },
   {
     name: "Tool Mastery",
@@ -1606,17 +1643,41 @@ export const achievementCategories = [
   {
     name: "Seasonal",
     description: "Holiday coding!",
-    ids: ["NewYearCoder", "ValentinesDev", "SpookyCode", "HolidayCoder", "LeapDayCoder"] as AchievementId[],
+    ids: [
+      "NewYearCoder",
+      "ValentinesDev",
+      "SpookyCode",
+      "HolidayCoder",
+      "LeapDayCoder",
+    ] as AchievementId[],
   },
   {
     name: "Message Content",
     description: "How you communicate",
-    ids: ["LongMessage", "NovelWriter", "ShortAndSweet", "CodeInMessage", "MarkdownMaster"] as AchievementId[],
+    ids: [
+      "LongMessage",
+      "NovelWriter",
+      "ShortAndSweet",
+      "CodeInMessage",
+      "MarkdownMaster",
+    ] as AchievementId[],
   },
   {
     name: "Programming Languages",
     description: "Languages you've used",
-    ids: ["RustDeveloper", "PythonDeveloper", "JavaScriptDev", "TypeScriptDev", "GoDeveloper", "CppDeveloper", "JavaDeveloper", "HtmlCssDev", "SqlDeveloper", "ShellScripter", "FullStackDev"] as AchievementId[],
+    ids: [
+      "RustDeveloper",
+      "PythonDeveloper",
+      "JavaScriptDev",
+      "TypeScriptDev",
+      "GoDeveloper",
+      "CppDeveloper",
+      "JavaDeveloper",
+      "HtmlCssDev",
+      "SqlDeveloper",
+      "ShellScripter",
+      "FullStackDev",
+    ] as AchievementId[],
   },
   {
     name: "Project Types",
@@ -1661,12 +1722,23 @@ export const achievementCategories = [
   {
     name: "UI Exploration",
     description: "Explore Hikari's features",
-    ids: ["MultiTasker", "Minimalist", "PrivacyFirst", "ThemeChanger", "SettingsTweaker"] as AchievementId[],
+    ids: [
+      "MultiTasker",
+      "Minimalist",
+      "PrivacyFirst",
+      "ThemeChanger",
+      "SettingsTweaker",
+    ] as AchievementId[],
   },
   {
     name: "Achievement Meta",
     description: "Achievements about achievements",
-    ids: ["AchievementHunter", "Completionist", "MasterUnlocker", "PlatinumStatus"] as AchievementId[],
+    ids: [
+      "AchievementHunter",
+      "Completionist",
+      "MasterUnlocker",
+      "PlatinumStatus",
+    ] as AchievementId[],
   },
   {
     name: "Clipboard & Snippets",
@@ -1676,7 +1748,14 @@ export const achievementCategories = [
   {
     name: "Other Features",
     description: "Miscellaneous features",
-    ids: ["QuickActionUser", "HistoryBuff", "Archivist", "SessionExporter", "GitPanelUser", "FeatureExplorer"] as AchievementId[],
+    ids: [
+      "QuickActionUser",
+      "HistoryBuff",
+      "Archivist",
+      "SessionExporter",
+      "GitPanelUser",
+      "FeatureExplorer",
+    ] as AchievementId[],
   },
   {
     name: "Special",
diff --git a/src/lib/stores/config.ts b/src/lib/stores/config.ts
index edbf6a9..0d5de7c 100644
--- a/src/lib/stores/config.ts
+++ b/src/lib/stores/config.ts
@@ -236,7 +236,8 @@ export function applyCustomThemeColors(colors: CustomThemeColors) {
   if (colors.bg_secondary) root.style.setProperty("--bg-secondary", colors.bg_secondary);
   if (colors.bg_terminal) root.style.setProperty("--bg-terminal", colors.bg_terminal);
   if (colors.accent_primary) root.style.setProperty("--accent-primary", colors.accent_primary);
-  if (colors.accent_secondary) root.style.setProperty("--accent-secondary", colors.accent_secondary);
+  if (colors.accent_secondary)
+    root.style.setProperty("--accent-secondary", colors.accent_secondary);
   if (colors.text_primary) root.style.setProperty("--text-primary", colors.text_primary);
   if (colors.text_secondary) root.style.setProperty("--text-secondary", colors.text_secondary);
   if (colors.border_color) root.style.setProperty("--border-color", colors.border_color);
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 3d35baf..0a35b7d 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -24,7 +24,7 @@
   import UpdateNotification from "$lib/components/UpdateNotification.svelte";
 
   let initialized = false;
-  let updateNotification: UpdateNotification;
+  let updateNotification: UpdateNotification | undefined = $state(undefined);
   let achievementPanelOpen = $state(false);
   let currentCharacterState: CharacterState = $state("idle");
   let compactModeActive = $state(false);
@@ -375,6 +375,9 @@
     -webkit-mask:
       linear-gradient(#fff 0 0) content-box,
       linear-gradient(#fff 0 0);
+    mask:
+      linear-gradient(#fff 0 0) content-box,
+      linear-gradient(#fff 0 0);
     -webkit-mask-composite: xor;
     mask-composite: exclude;
     opacity: 0;