diff --git "a/layer_norm/impls/hf_kernels_layer_norm.html" "b/layer_norm/impls/hf_kernels_layer_norm.html"
--- "a/layer_norm/impls/hf_kernels_layer_norm.html"
+++ "b/layer_norm/impls/hf_kernels_layer_norm.html"
@@ -4,6 +4,11 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>hf_kernels_layer_norm</title>
+
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap" rel="stylesheet">
+
     <script>
 // Iframe-friendly navigation router
         (function() {
@@ -87,1320 +92,1542 @@
     </script>
     <style>
 :root[data-theme="light"] {
-            --bg-primary: #ffffff;
-            --bg-secondary: #f6f8fa;
-            --bg-tertiary: #f8f9fa;
-            --bg-code: #f8f9fa;
-            --bg-error: #fdf2f2;
-            --bg-artifact: #e6f3ff;
-            --bg-artifact-hover: #d0e7ff;
-            
-            --text-primary: #333;
-            --text-secondary: #656d76;
-            --text-error: #c53030;
-            --text-link: #0969da;
-            
-            --border-primary: #e1e5e9;
-            --border-error: #e53e3e;
-            --border-cell-failed: #d73a49;
-            
-            --shadow: rgba(0, 0, 0, 0.1);
-        }
-
-        :root[data-theme="dark"] {
-            --bg-primary: #0a0a0a;
-            --bg-secondary: #121212;
-            --bg-tertiary: #181818;
-            --bg-code: #0d0d0d;
-            --bg-error: #1a0f0f;
-            --bg-artifact: #151515;
-            --bg-artifact-hover: #1a1a1a;
-            
-            --text-primary: #e0e0e0;
-            --text-secondary: #888888;
-            --text-error: #ff6b6b;
-            --text-link: #64b5f6;
-            
-            --border-primary: #2a2a2a;
-            --border-error: #ff6b6b;
-            --border-cell-failed: #ff6b6b;
-            
-            --shadow: rgba(255, 255, 255, 0.05);
-        }
-        /* Monocolor UI theme: black/white background, all text/borders single blue */
-        :root[data-ui="monocolor"] { --mono-color: #0a66ff; }
-        :root[data-ui="monocolor"][data-theme="light"] {
-            --bg-primary: #ffffff;
-        }
-        :root[data-ui="monocolor"][data-theme="dark"] {
-            --bg-primary: #000000;
-        }
-        :root[data-ui="monocolor"] {
-            --bg-secondary: var(--bg-primary);
-            --bg-tertiary: var(--bg-primary);
-            --bg-code: var(--bg-primary);
-            --bg-error: var(--bg-primary);
-            --bg-artifact: var(--bg-primary);
-            --bg-artifact-hover: var(--bg-primary);
-
-            --text-primary: var(--mono-color);
-            --text-secondary: var(--mono-color);
-            --text-error: var(--mono-color);
-            --text-link: var(--mono-color);
-
-            --border-primary: var(--mono-color);
-            --border-error: var(--mono-color);
-            --border-cell-failed: var(--mono-color);
-
-            --shadow: none;
-        }
-        :root[data-ui="monocolor"] a { color: var(--mono-color); }
-        :root[data-ui="monocolor"] .menu-button,
-        :root[data-ui="monocolor"] .theme-toggle,
-        :root[data-ui="monocolor"] .reset-toggle,
-        :root[data-ui="monocolor"] .back-button { background: var(--bg-primary); color: var(--mono-color); border-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .menu-button:hover,
-        :root[data-ui="monocolor"] .theme-toggle:hover,
-        :root[data-ui="monocolor"] .reset-toggle:hover,
-        :root[data-ui="monocolor"] .back-button:hover { background: var(--bg-primary); color: var(--mono-color); border-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .menu-dropdown { background: var(--bg-primary); border-color: var(--mono-color); box-shadow: none; }
-        :root[data-ui="monocolor"] .menu-item { color: var(--mono-color); border-bottom-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .system-info { background: var(--bg-primary); border-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .cell { border-color: var(--mono-color); background: var(--bg-primary); }
-        :root[data-ui="monocolor"] .cell-header { background: var(--bg-primary); border-bottom-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .artifact { background: var(--bg-primary); border-color: var(--mono-color); color: var(--mono-color); }
-        :root[data-ui="monocolor"] .artifact:hover { background: var(--bg-primary); }
-        :root[data-ui="monocolor"] .artifact-preview img,
-        :root[data-ui="monocolor"] .artifact-preview svg { border-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .status-widget { background: var(--bg-primary); border-color: var(--mono-color); color: var(--mono-color); }
-        :root[data-ui="monocolor"] .minimap,
-        :root[data-ui="monocolor"] .file-explorer,
-        :root[data-ui="monocolor"] .tools-widget {
-            background: var(--bg-primary);
-            border-color: var(--mono-color);
-            color: var(--mono-color);
-        }
-        :root[data-ui="monocolor"] .cell-code {
-            background: var(--bg-primary);
-            border-bottom-color: var(--mono-color);
-        }
-        :root[data-ui="monocolor"] .tools-title,
-        :root[data-ui="monocolor"] .file-explorer-section-title,
-        :root[data-ui="monocolor"] .minimap-title { color: var(--mono-color); border-bottom-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .tool-button { background: var(--bg-primary); border-color: var(--mono-color); color: var(--mono-color); }
-        :root[data-ui="monocolor"] .tool-button.active { border-color: var(--mono-color); }
-        :root[data-ui="monocolor"] .file-explorer-item,
-        :root[data-ui="monocolor"] .minimap-item { color: var(--mono-color); }
-        /* Force Pygments code to mono blue on mono bg */
-        :root[data-ui="monocolor"] .highlight { background: var(--bg-primary) !important; color: var(--mono-color) !important; }
-        :root[data-ui="monocolor"] .highlight *,
-        :root[data-ui="monocolor"] .highlight .hll { color: var(--mono-color) !important; background: transparent !important; border-color: var(--mono-color) !important; }
-        /* Default code font + metrics (overridable via frontmatter) */
-        :root { --code-font-size: 0.95rem; --code-line-height: 1.5; --code-pad-y: 0.75rem; }
-        /* Minimal UI theme overrides base variables for a flatter, 90s look */
-        :root[data-ui="none"] {
-            --bg-primary: #ffffff;
-            --bg-secondary: transparent;
-            --bg-tertiary: transparent;
-            --bg-code: #f9f9f9;
-            --bg-error: #fff0f0;
-            --bg-artifact: #f0f7ff;
-            --bg-artifact-hover: #e5f1ff;
-
-            --text-primary: #000000;
-            --text-secondary: #222222;
-            --text-error: #a00000;
-            --text-link: #0000ee;
-
-            --border-primary: #cccccc;
-            --border-error: #cc0000;
-            --border-cell-failed: #cc0000;
-
-            --shadow: none;
-        }
-        html {
-            overscroll-behavior: none;
-        }
-        body {
-            font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
-            line-height: 1.4;
-            max-width: 1000px;
-            margin: 0 auto;
-            padding: 15px;
-            color: var(--text-primary);
-            background: var(--bg-primary);
-            transition: background-color 0.2s ease, color 0.2s ease;
-            overscroll-behavior: none;
-        }
-        /* Minimal "none" UI theme overrides */
-        :root[data-ui="none"] body {
-            font-family: 'Times New Roman', Times, serif;
-            line-height: 1.5;
-            max-width: 860px;
-            padding: 12px;
-            background: #ffffff;
-            color: #000000;
-            transition: none;
-        }
-        
-        /* Two panel layout removed */
-        
-        .controls {
-            position: fixed;
-            top: 20px;
-            right: 20px;
-            display: flex;
-            flex-direction: column;
-            align-items: flex-end;
-            gap: 0.25rem;
-            z-index: 1000;
-        }
-        .controls-buttons { display: flex; gap: 0.5rem; }
-        
-        .menu-button {
-            position: relative;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            padding: 8px 12px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-family: inherit;
-            font-size: 0.9rem;
-            user-select: none;
-        }
-        /* Keep default control styling when widgets are enabled, even in minimal UI */
-        :root[data-ui="none"][data-widgets="on"] .menu-button,
-        :root[data-ui="none"][data-widgets="on"] .theme-toggle,
-        :root[data-ui="none"][data-widgets="on"] .reset-toggle,
-        :root[data-ui="none"][data-widgets="on"] .back-button {
-            background: #f6f6f6;
-            border: 1px solid #cccccc;
-            color: #222222;
-        }
-        
-        .menu-button:hover {
-            color: var(--text-primary);
-            background: var(--bg-tertiary);
-        }
-        /* Controls state indicator (top-right) */
-        /* Status widget (bottom-right) */
-        .status-widget {
-            position: fixed;
-            right: 20px;
-            bottom: 20px;
-            width: auto;
-            max-width: 260px;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            padding: 6px 8px;
-            font-size: 0.8rem;
-            color: var(--text-secondary);
-            z-index: 100;
-        }
-        .status-widget strong { color: var(--text-primary); }
-        :root[data-ui="none"][data-widgets="on"] .status-widget { background: #f6f6f6; border-color: #ccc; color: #222; }
-        :root[data-ui="none"][data-widgets="on"] .menu-button:hover,
-        :root[data-ui="none"][data-widgets="on"] .theme-toggle:hover,
-        :root[data-ui="none"][data-widgets="on"] .reset-toggle:hover,
-        :root[data-ui="none"][data-widgets="on"] .back-button:hover {
-            background: #ededed;
-            border-color: #bbbbbb;
-            color: #000000;
-        }
-        
-        .menu-dropdown {
-            position: absolute;
-            top: 100%;
-            right: 0;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 4px;
-            box-shadow: 0 4px 12px var(--shadow);
-            min-width: 160px;
-            opacity: 0;
-            visibility: hidden;
-            transform: translateY(-8px);
-            transition: all 0.2s ease;
-            z-index: 1001;
-            margin-top: 4px;
-        }
-        :root[data-ui="none"][data-widgets="on"] .menu-dropdown { background: #ffffff; border: 1px solid #cccccc; box-shadow: none; }
-        
-        .menu-button.active .menu-dropdown {
-            opacity: 1;
-            visibility: visible;
-            transform: translateY(0);
-        }
-        
-        .menu-item {
-            display: block;
-            padding: 8px 12px;
-            color: var(--text-secondary);
-            text-decoration: none;
-            font-size: 0.85rem;
-            border-bottom: 1px solid var(--border-primary);
-            cursor: pointer;
-        }
-        :root[data-ui="none"] .menu-item { color: #000; border-bottom: 1px solid #eee; }
-        
-        .menu-item:last-child {
-            border-bottom: none;
-        }
-        
-        .menu-item:hover {
-            background: var(--bg-tertiary);
-            color: var(--text-primary);
-        }
-        
-        .menu-checkbox {
-            display: inline-block;
-            width: 16px;
-            font-family: monospace;
-            color: var(--text-link);
-        }
-        
-        .theme-toggle,
-        .reset-toggle,
-        .back-button {
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            padding: 8px 12px;
-            border-radius: 4px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-family: inherit;
-            font-size: 0.9rem;
-            user-select: none;
-        }
-
-        .back-button {
-            text-decoration: none;
-            display: inline-block;
-        }
-
-        .theme-toggle:hover,
-        .reset-toggle:hover,
-        .back-button:hover {
-            color: var(--text-primary);
-            background: var(--bg-tertiary);
-        }
-        
-        .system-info {
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 4px;
-            padding: 8px 12px;
-            margin-bottom: 16px;
-            font-size: 0.85em;
-            color: var(--text-secondary);
-        }
-        
-        .system-info-header {
-            font-weight: 600;
-            color: var(--text-primary);
-            margin-bottom: 2px;
-        }
-        
-        .system-info-content {
-            font-family: monospace;
-        }
-        
-        .theme-toggle, .reset-toggle {
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            /* padding: 0.4rem 0.6rem; */
-            cursor: pointer;
-            font-family: inherit;
-            font-size: 0.8rem;
-            color: var(--text-secondary);
-            user-select: none;
-            transition: all 0.2s ease;
-            text-transform: lowercase;
-            letter-spacing: 0;
-        }
-        
-        .theme-toggle:hover, .reset-toggle:hover {
-            background: var(--bg-tertiary);
-            border-color: var(--text-secondary);
-            color: var(--text-primary);
-        }
-        
-        .minimap {
-            position: fixed;
-            bottom: 20px;
-            right: 20px;
-            width: 220px;
-            max-height: 400px;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            padding: 0.5rem;
-            font-size: 0.7rem;
-            overflow-y: auto;
-            z-index: 100;
-            opacity: 0.9;
-            transition: opacity 0.2s ease;
-        }
-        /* Hide widgets and controls when disabled via frontmatter */
-        :root[data-widgets="off"] .controls,
-        :root[data-widgets="off"] .minimap,
-        :root[data-widgets="off"] .file-explorer,
-        :root[data-widgets="off"] .tools-widget,
-        :root[data-widgets="off"] .status-widget { display: none !important; }
-        
-        .file-explorer {
-            position: fixed;
-            bottom: 20px; /* default; JS will stack */
-            right: 20px;
-            left: auto;
-            top: auto;
-            width: 220px;
-            max-height: 400px;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            padding: 0.5rem;
-            font-size: 0.7rem;
-            overflow-y: auto;
-            z-index: 100;
-            opacity: 0.9;
-            transition: opacity 0.2s ease;
-        }
-
-        /* Drawing overlay */
-        .draw-overlay {
-            position: fixed;
-            top: 0;
-            left: 0;
-            width: 100vw;
-            height: 100vh;
-            z-index: 80; /* under widgets (100) and controls (1000) */
-            display: block;
-            pointer-events: none; /* enabled only when a tool is active */
-        }
-
-        /* Tools widget */
-        .tools-widget {
-            position: fixed;
-            bottom: 20px; /* default; JS will stack */
-            right: 20px;
-            left: auto;
-            top: auto;
-            width: 220px;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            padding: 0.5rem;
-            font-size: 0.7rem;
-            z-index: 100;
-            opacity: 0.95;
-        }
-        .tools-title {
-            font-weight: bold;
-            color: var(--text-secondary);
-            margin-bottom: 0.5rem;
-            padding-bottom: 0.25rem;
-            border-bottom: 1px solid var(--border-primary);
-            cursor: grab;
-            user-select: none;
-        }
-        .tools-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }
-        .tool-button {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            padding: 0.25rem 0.4rem;
-            cursor: pointer;
-            color: var(--text-secondary);
-            font-family: inherit;
-            font-size: 0.75rem;
-            user-select: none;
-        }
-        .tool-button:hover { color: var(--text-primary); }
-        .tool-button.active { color: var(--text-primary); border-color: var(--text-secondary); background: var(--bg-secondary); }
-        
-        .minimap:hover, .file-explorer:hover {
-            opacity: 1;
-        }
-        
-        .minimap-title {
-            font-weight: bold;
-            color: var(--text-secondary);
-            margin-bottom: 0.5rem;
-            padding-bottom: 0.25rem;
-            border-bottom: 1px solid var(--border-primary);
-            cursor: grab; /* drag handle */
-            user-select: none;
-        }
-        
-        .minimap-item {
-            display: block;
-            color: var(--text-secondary);
-            text-decoration: none;
-            padding: 0.15rem 0;
-            border-left: 2px solid transparent;
-            padding-left: 0.5rem;
-            transition: all 0.2s ease;
-            cursor: pointer;
-        }
-        
-        .minimap-item:hover {
-            color: var(--text-primary);
-            border-left-color: var(--text-secondary);
-        }
-        
-        .minimap-item.active {
-            color: var(--text-primary);
-            border-left-color: var(--text-link);
-        }
-        
-        .minimap-heading {
-            font-weight: normal;
-        }
-        
-        .minimap-heading.h1 { padding-left: 0.5rem; }
-        .minimap-heading.h2 { padding-left: 1rem; }
-        .minimap-heading.h3 { padding-left: 1.5rem; }
-        .minimap-heading.h4 { padding-left: 2rem; }
-        .minimap-heading.h5 { padding-left: 2.5rem; }
-        .minimap-heading.h6 { padding-left: 3rem; }
-        
-        .minimap-cell {
-            color: var(--text-link);
-            opacity: 0.8;
-            font-style: italic;
-        }
-        
-        .minimap-cell:hover {
-            opacity: 1;
-        }
-        
-        .file-explorer-title {
-            font-weight: bold;
-            color: var(--text-secondary);
-            margin-bottom: 0.5rem;
-            padding-bottom: 0.25rem;
-            border-bottom: 1px solid var(--border-primary);
-            cursor: grab; /* drag handle */
-            user-select: none;
-        }
-        
-        .file-explorer-section {
-            margin-bottom: 0.75rem;
-        }
-        
-        .file-explorer-section-title {
-            font-weight: bold;
-            color: var(--text-secondary);
-            font-size: 0.65rem;
-            margin-bottom: 0.25rem;
-            text-transform: uppercase;
-            letter-spacing: 0.5px;
-        }
-        
-        .file-explorer-item {
-            display: block;
-            color: var(--text-secondary);
-            text-decoration: none;
-            padding: 0.1rem 0;
-            margin-left: 0.5rem;
-            transition: color 0.2s ease;
-            cursor: pointer;
-            font-family: monospace;
-        }
-        
-        .file-explorer-item:hover {
-            color: var(--text-primary);
-        }
-        
-        .file-explorer-item.script {
-            color: var(--text-link);
-        }
-        
-        .file-explorer-item.artifact {
-            color: var(--text-secondary);
-            opacity: 0.8;
-        }
-        
-
-        /* Hide widgets on smaller screens */
-        @media (max-width: 768px) {
-            .minimap, .file-explorer, .tools-widget {
-                display: none;
-            }
-        }
-        
-        .cell {
-            margin: 1rem 0;
-            border: 1px solid var(--border-primary);
-            border-radius: 2px;
-            overflow: hidden;
-            background: var(--bg-secondary);
-        }
-        :root[data-ui="none"] .cell { margin: 1em 0; border: none; background: transparent; }
-        .cell-header {
-            background: var(--bg-secondary);
-            padding: 0.5rem 1rem;
-            border-bottom: 1px solid var(--border-primary);
-            font-family: inherit;
-            font-size: 0.85rem;
-        }
-        :root[data-ui="none"] .cell-header { background: transparent; border: none; padding: 0; font-weight: bold; }
-        :root[data-ui="none"] .cell-content { padding: 0; }
-        :root[data-ui="none"] .copy-button,
-        :root[data-ui="none"] .collapse-indicators,
-        :root[data-ui="none"] .cell-meta,
-        :root[data-ui="none"] .cell-outputs-header { display: none !important; }
-        :root[data-ui="none"] pre, :root[data-ui="none"] code { font-family: Menlo, Monaco, 'Courier New', monospace; }
-        :root[data-ui="none"] .code-content pre { background: #f9f9f9; border: 1px solid #ddd; padding: 8px; }
-        :root[data-ui="none"] .output { background: transparent; border: none; padding: 0.25em 0; }
-            color: var(--text-secondary);
-            cursor: pointer;
-            user-select: none;
-            transition: background-color 0.2s ease;
-        }
-        .cell-header:hover {
-            background: var(--bg-tertiary);
-        }
-        .collapse-indicators {
-            color: var(--text-secondary);
-            font-size: 0.8rem;
-            opacity: 0.7;
-        }
-        .collapse-indicators span:hover {
-            color: var(--text-primary);
-            opacity: 1;
-        }
-        .cell-code {
-            display: block;
-            background: var(--bg-code);
-        }
-        .cell-code.collapsed {
-            display: none;
-        }
-        .cell-code pre {
-            margin: 0;
-            padding: 0.75rem;
-            background: var(--bg-code);
-            overflow-x: auto;
-            color: var(--text-primary);
-        }
-        .cell-output {
-            padding: 0.75rem;
-            /* background: var(--bg-primary); */
-            background: var(--bg-secondary);
-        }
-        .cell-output.collapsed {
-            display: none;
-        }
-        .cell-stdout {
-            background: var(--bg-tertiary);
-            padding: 0.75rem;
-            border-radius: 1px;
-            /* margin: 0.25rem 0; */
-            font-family: inherit;
-            font-size: 0.9rem;
-            white-space: pre-wrap;
-            color: var(--text-primary);
-        }
-
-        .cell-stdout {
-            background: var(--bg-tertiary);
-            padding: 0.75rem;
-            border-radius: 1px;
-            font-family: inherit;
-            font-size: 0.9rem;
-            color: var(--text-primary);
-
-            /* key bits */
-            overflow: auto;          /* show scrollbars when needed */
-            max-width: 100%;         /* respects whatever layout width you give it */
-        }
-
-        .cell-stdout .stdout-text {
-            margin: 0;               /* reset pre default margin */
-            white-space: pre;        /* keep line breaks, NO wrapping */
-            display: inline-block;   /* shrink-to-content */
-            min-width: max-content;  /* allow very long lines to define intrinsic width */
-            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-            tab-size: 2;
-        }
-
-        .cell-stderr {
-            background: var(--bg-error);
-            border-left: 2px solid var(--border-error);
-            padding: 1rem;
-            margin: 0.5rem 0;
-            font-family: inherit;
-            font-size: 0.9rem;
-            color: var(--text-error);
-            white-space: pre-wrap;
-        }
-        .uv-install-logs {
-            margin: 0.5rem 0;
-        }
-        .uv-logs-header {
-            cursor: pointer;
-            padding: 0.75rem;
-            border-left: 3px solid var(--border-color);
-            font-family: inherit;
-            font-size: 0.85rem;
-            color: var(--text-secondary);
-            user-select: none;
-        }
-        .uv-logs-content {
-            background: var(--bg-secondary);
-            padding: 1rem;
-            border-left: 3px solid var(--border-color);
-            white-space: pre-wrap;
-            font-family: monospace;
-            font-size: 0.85rem;
-            color: var(--text-secondary);
-            overflow-x: auto;
-        }
-        .cell-artifacts {
-            margin: 1rem 0;
-        }
-        .cell-artifacts h4 {
-            margin: 0 0 0.5rem 0;
-            color: var(--text-secondary);
-            font-size: 0.9rem;
-        }
-        .artifact {
-            display: inline-block;
-            background: var(--bg-artifact);
-            padding: 0.25rem 0.5rem;
-            border-radius: 1px;
-            margin: 0.25rem 0.5rem 0.25rem 0;
-            font-family: inherit;
-            font-size: 0.8rem;
-            color: var(--text-link);
-            text-decoration: none;
-            transition: background-color 0.2s ease;
-            border: 1px solid var(--border-primary);
-        }
-        .artifact:hover {
-            background: var(--bg-artifact-hover);
-        }
-        .artifact-preview {
-            margin-top: 1rem;
-        }
-        .artifact-preview img {
-            max-width: 100%;
-            height: auto;
-            border: 1px solid var(--border-primary);
-            border-radius: 1px;
-        }
-        .artifact-preview svg {
-            max-width: 100%;
-            height: auto;
-            border: 1px solid var(--border-primary);
-            border-radius: 1px;
-            display: block;
-        }
-        /* Style SVG text elements */
-        .artifact-preview svg g {
-            fill: var(--text-primary) !important;
-        }
-        /* Auto-theme SVG elements */
-        .artifact-preview svg {
-            background: transparent;
-        }
-        /* Invert SVG images in dark mode */
-        :root[data-theme="dark"] .artifact-preview img[src$=".svg"] {
-            filter: invert(0.9) hue-rotate(180deg);
-        }
-        /* Keep SVG images readable in monocolor mode */
-        :root[data-ui="monocolor"] .artifact-preview img[src$=".svg"] {
-            filter: none;
-        }
-        /* CSV table styling */
-        .artifact-csv {
-            margin-top: 1rem;
-            overflow-x: auto;
-        }
-        .csv-table {
-            width: 100%;
-            border-collapse: collapse;
-            font-size: 0.9rem;
-            background: var(--bg-secondary);
-            border: 1px solid var(--border-primary);
-            border-radius: 1px;
-        }
-        .csv-table th,
-        .csv-table td {
-            padding: 0.5rem 0.75rem;
-            text-align: left;
-            border: 1px solid var(--border-primary);
-        }
-        .csv-table th {
-            background: var(--bg-tertiary);
-            font-weight: 600;
-            color: var(--text-primary);
-        }
-        .csv-table tbody tr:hover {
-            background: var(--bg-artifact-hover);
-        }
-        .artifact-csv-error {
-            margin-top: 1rem;
-            padding: 1rem;
-            background: var(--bg-error);
-            color: var(--text-error);
-            border: 1px solid var(--border-error);
-            border-radius: 1px;
-        }
-        .cell-failed {
-            border-color: var(--border-cell-failed);
-        }
-        .cell-failed .cell-header {
-            background: var(--bg-error);
-            color: var(--text-error);
-        }
-        .cell-commented {
-            opacity: 0.6;
-            border-style: dashed;
-        }
-        .cell-commented .cell-header {
-            background: var(--bg-secondary);
-            color: var(--text-secondary);
-            font-style: italic;
-        }
-        .run-btn {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            padding: 2px 6px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 0.75em;
-            font-family: inherit;
-            margin-left: 4px;
-        }
-        .run-btn:hover {
-            color: var(--text-primary);
-            background: var(--bg-primary);
-        }
-        .run-btn:disabled {
-            opacity: 0.6;
-            cursor: not-allowed;
-        }
-        .copy-btn {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            padding: 2px 6px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 0.75em;
-            font-family: inherit;
-            margin-left: 4px;
-        }
-        .copy-btn:hover {
-            color: var(--text-primary);
-            background: var(--bg-primary);
-        }
-        .copy-btn:disabled {
-            opacity: 0.6;
-            cursor: not-allowed;
-        }
-        .copy-btn.copied {
-            color: #4caf50;
-            background: var(--bg-primary);
-            border-color: #4caf50;
-            transition: all 0.2s ease;
-        }
-        .raw-btn {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            padding: 2px 6px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 0.75em;
-            font-family: inherit;
-            margin-left: 4px;
-            text-decoration: none;
-            display: inline-block;
-        }
-        .raw-btn:hover {
-            color: var(--text-primary);
-            background: var(--bg-primary);
-            text-decoration: none;
-        }
-        .github-btn {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            padding: 2px 6px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 0.75em;
-            font-family: inherit;
-            margin-left: 4px;
-            text-decoration: none;
-            display: inline-block;
-        }
-        .github-btn:hover {
-            color: var(--text-primary);
-            background: var(--bg-primary);
-            text-decoration: none;
-        }
-        .hf-btn {
-            background: var(--bg-tertiary);
-            border: 1px solid var(--border-primary);
-            padding: 2px 6px;
-            border-radius: 2px;
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 0.75em;
-            font-family: inherit;
-            margin-left: 4px;
-            text-decoration: none;
-            display: inline-block;
-        }
-        .hf-btn:hover {
-            color: var(--text-primary);
-            background: var(--bg-primary);
-            text-decoration: none;
-        }
-        .output-stale {
-            opacity: 0.5;
-            position: relative;
-        }
-        .output-stale::after {
-            content: '⏳ updating...';
-            position: absolute;
-            top: 8px;
-            right: 8px;
-            background: var(--bg-secondary);
-            padding: 4px 8px;
-            border-radius: 2px;
-            font-size: 0.75em;
-            color: var(--text-secondary);
-            border: 1px solid var(--border-primary);
-        }
-        h1, h2, h3, h4, h5, h6 {
-            margin-top: 1.5rem;
-            margin-bottom: 0.75rem;
-            color: var(--text-primary);
-        }
-        h1 {
-            margin-top: 0;
-            margin-bottom: 1rem;
-        }
-        p {
-            margin: 0.75rem 0;
-            color: var(--text-primary);
-        }
-        a {
-            color: var(--text-link);
-        }
-        img {
-            max-width: 100%;
-            height: auto;
-            border-radius: 1px;
-            box-shadow: none;
-        }
-        pre, code {
-            font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
-            font-size: var(--code-font-size);
-        }
-        .code-wrap { position: relative; }
-        .code-line-highlight { display: none; position: absolute; left: 0; right: 0; height: 1.5em; background: rgba(255, 235, 170, 0.35); pointer-events: none; border-left: 3px solid #f4c542; }
-        .line-number { cursor: pointer; text-decoration: none; color: var(--text-secondary); padding: 0 0.25rem; }
-        .line-number.selected { background: rgba(255, 235, 170, 0.4); color: var(--text-primary); }
-        
-        /* Line numbers */
-        .highlight-with-lines {
-            display: flex;
-        }
-        .line-numbers {
-            background: var(--bg-tertiary);
-            padding: var(--code-pad-y) 0.5rem;
-            font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
-            font-size: var(--code-font-size);
-            line-height: var(--code-line-height);
-            color: var(--text-secondary);
-            user-select: none;
-            text-align: right;
-            border-right: 1px solid var(--border-primary);
-        }
-        .line-numbers .line-number {
-            display: block;
-            line-height: var(--code-line-height);
-        }
-        .highlight-with-lines .highlight {
-            flex: 1;
-        }
-        .highlight .hll { background-color: transparent; } /* don't conflict with our highlight */
-        .highlight pre {
-            white-space: pre;
-            margin: 0;
-            padding: var(--code-pad-y) 0.75rem;
-            line-height: var(--code-line-height);
-        }
-        
-        /* Collapsed code styling */
-        .cell-code.collapsed {
-            display: none;
-        }
-        .cell-code.expanded {
-            display: block;
-        }
-        
-        .cell-code {
-            display: block;
-            border-bottom: 1px solid var(--border-primary);
-        }
-        
-        
-        pre { line-height: 125%; }
-td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
-span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
-td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
-span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
-[data-theme="light"] .highlight .hll { background-color: #ffffcc }
-[data-theme="light"] .highlight { background: #f8f8f8; }
-[data-theme="light"] .highlight .c { color: #3D7B7B; font-style: italic } /* Comment */
-[data-theme="light"] .highlight .err { border: 1px solid #F00 } /* Error */
-[data-theme="light"] .highlight .k { color: #008000; font-weight: bold } /* Keyword */
-[data-theme="light"] .highlight .o { color: #666 } /* Operator */
-[data-theme="light"] .highlight .ch { color: #3D7B7B; font-style: italic } /* Comment.Hashbang */
-[data-theme="light"] .highlight .cm { color: #3D7B7B; font-style: italic } /* Comment.Multiline */
-[data-theme="light"] .highlight .cp { color: #9C6500 } /* Comment.Preproc */
-[data-theme="light"] .highlight .cpf { color: #3D7B7B; font-style: italic } /* Comment.PreprocFile */
-[data-theme="light"] .highlight .c1 { color: #3D7B7B; font-style: italic } /* Comment.Single */
-[data-theme="light"] .highlight .cs { color: #3D7B7B; font-style: italic } /* Comment.Special */
-[data-theme="light"] .highlight .gd { color: #A00000 } /* Generic.Deleted */
-[data-theme="light"] .highlight .ge { font-style: italic } /* Generic.Emph */
-[data-theme="light"] .highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
-[data-theme="light"] .highlight .gr { color: #E40000 } /* Generic.Error */
-[data-theme="light"] .highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
-[data-theme="light"] .highlight .gi { color: #008400 } /* Generic.Inserted */
-[data-theme="light"] .highlight .go { color: #717171 } /* Generic.Output */
-[data-theme="light"] .highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
-[data-theme="light"] .highlight .gs { font-weight: bold } /* Generic.Strong */
-[data-theme="light"] .highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
-[data-theme="light"] .highlight .gt { color: #04D } /* Generic.Traceback */
-[data-theme="light"] .highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
-[data-theme="light"] .highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
-[data-theme="light"] .highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
-[data-theme="light"] .highlight .kp { color: #008000 } /* Keyword.Pseudo */
-[data-theme="light"] .highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
-[data-theme="light"] .highlight .kt { color: #B00040 } /* Keyword.Type */
-[data-theme="light"] .highlight .m { color: #666 } /* Literal.Number */
-[data-theme="light"] .highlight .s { color: #BA2121 } /* Literal.String */
-[data-theme="light"] .highlight .na { color: #687822 } /* Name.Attribute */
-[data-theme="light"] .highlight .nb { color: #008000 } /* Name.Builtin */
-[data-theme="light"] .highlight .nc { color: #00F; font-weight: bold } /* Name.Class */
-[data-theme="light"] .highlight .no { color: #800 } /* Name.Constant */
-[data-theme="light"] .highlight .nd { color: #A2F } /* Name.Decorator */
-[data-theme="light"] .highlight .ni { color: #717171; font-weight: bold } /* Name.Entity */
-[data-theme="light"] .highlight .ne { color: #CB3F38; font-weight: bold } /* Name.Exception */
-[data-theme="light"] .highlight .nf { color: #00F } /* Name.Function */
-[data-theme="light"] .highlight .nl { color: #767600 } /* Name.Label */
-[data-theme="light"] .highlight .nn { color: #00F; font-weight: bold } /* Name.Namespace */
-[data-theme="light"] .highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
-[data-theme="light"] .highlight .nv { color: #19177C } /* Name.Variable */
-[data-theme="light"] .highlight .ow { color: #A2F; font-weight: bold } /* Operator.Word */
-[data-theme="light"] .highlight .w { color: #BBB } /* Text.Whitespace */
-[data-theme="light"] .highlight .mb { color: #666 } /* Literal.Number.Bin */
-[data-theme="light"] .highlight .mf { color: #666 } /* Literal.Number.Float */
-[data-theme="light"] .highlight .mh { color: #666 } /* Literal.Number.Hex */
-[data-theme="light"] .highlight .mi { color: #666 } /* Literal.Number.Integer */
-[data-theme="light"] .highlight .mo { color: #666 } /* Literal.Number.Oct */
-[data-theme="light"] .highlight .sa { color: #BA2121 } /* Literal.String.Affix */
-[data-theme="light"] .highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
-[data-theme="light"] .highlight .sc { color: #BA2121 } /* Literal.String.Char */
-[data-theme="light"] .highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */
-[data-theme="light"] .highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
-[data-theme="light"] .highlight .s2 { color: #BA2121 } /* Literal.String.Double */
-[data-theme="light"] .highlight .se { color: #AA5D1F; font-weight: bold } /* Literal.String.Escape */
-[data-theme="light"] .highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
-[data-theme="light"] .highlight .si { color: #A45A77; font-weight: bold } /* Literal.String.Interpol */
-[data-theme="light"] .highlight .sx { color: #008000 } /* Literal.String.Other */
-[data-theme="light"] .highlight .sr { color: #A45A77 } /* Literal.String.Regex */
-[data-theme="light"] .highlight .s1 { color: #BA2121 } /* Literal.String.Single */
-[data-theme="light"] .highlight .ss { color: #19177C } /* Literal.String.Symbol */
-[data-theme="light"] .highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
-[data-theme="light"] .highlight .fm { color: #00F } /* Name.Function.Magic */
-[data-theme="light"] .highlight .vc { color: #19177C } /* Name.Variable.Class */
-[data-theme="light"] .highlight .vg { color: #19177C } /* Name.Variable.Global */
-[data-theme="light"] .highlight .vi { color: #19177C } /* Name.Variable.Instance */
-[data-theme="light"] .highlight .vm { color: #19177C } /* Name.Variable.Magic */
-[data-theme="light"] .highlight .il { color: #666 } /* Literal.Number.Integer.Long */
-
-pre { line-height: 125%; }
-td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
-span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
-td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
-span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
-[data-theme="dark"] .highlight .hll { background-color: #49483e }
-[data-theme="dark"] .highlight { background: #272822; color: #F8F8F2 }
-[data-theme="dark"] .highlight .c { color: #959077 } /* Comment */
-[data-theme="dark"] .highlight .err { color: #ED007E; background-color: #1E0010 } /* Error */
-[data-theme="dark"] .highlight .esc { color: #F8F8F2 } /* Escape */
-[data-theme="dark"] .highlight .g { color: #F8F8F2 } /* Generic */
-[data-theme="dark"] .highlight .k { color: #66D9EF } /* Keyword */
-[data-theme="dark"] .highlight .l { color: #AE81FF } /* Literal */
-[data-theme="dark"] .highlight .n { color: #F8F8F2 } /* Name */
-[data-theme="dark"] .highlight .o { color: #FF4689 } /* Operator */
-[data-theme="dark"] .highlight .x { color: #F8F8F2 } /* Other */
-[data-theme="dark"] .highlight .p { color: #F8F8F2 } /* Punctuation */
-[data-theme="dark"] .highlight .ch { color: #959077 } /* Comment.Hashbang */
-[data-theme="dark"] .highlight .cm { color: #959077 } /* Comment.Multiline */
-[data-theme="dark"] .highlight .cp { color: #959077 } /* Comment.Preproc */
-[data-theme="dark"] .highlight .cpf { color: #959077 } /* Comment.PreprocFile */
-[data-theme="dark"] .highlight .c1 { color: #959077 } /* Comment.Single */
-[data-theme="dark"] .highlight .cs { color: #959077 } /* Comment.Special */
-[data-theme="dark"] .highlight .gd { color: #FF4689 } /* Generic.Deleted */
-[data-theme="dark"] .highlight .ge { color: #F8F8F2; font-style: italic } /* Generic.Emph */
-[data-theme="dark"] .highlight .ges { color: #F8F8F2; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
-[data-theme="dark"] .highlight .gr { color: #F8F8F2 } /* Generic.Error */
-[data-theme="dark"] .highlight .gh { color: #F8F8F2 } /* Generic.Heading */
-[data-theme="dark"] .highlight .gi { color: #A6E22E } /* Generic.Inserted */
-[data-theme="dark"] .highlight .go { color: #66D9EF } /* Generic.Output */
-[data-theme="dark"] .highlight .gp { color: #FF4689; font-weight: bold } /* Generic.Prompt */
-[data-theme="dark"] .highlight .gs { color: #F8F8F2; font-weight: bold } /* Generic.Strong */
-[data-theme="dark"] .highlight .gu { color: #959077 } /* Generic.Subheading */
-[data-theme="dark"] .highlight .gt { color: #F8F8F2 } /* Generic.Traceback */
-[data-theme="dark"] .highlight .kc { color: #66D9EF } /* Keyword.Constant */
-[data-theme="dark"] .highlight .kd { color: #66D9EF } /* Keyword.Declaration */
-[data-theme="dark"] .highlight .kn { color: #FF4689 } /* Keyword.Namespace */
-[data-theme="dark"] .highlight .kp { color: #66D9EF } /* Keyword.Pseudo */
-[data-theme="dark"] .highlight .kr { color: #66D9EF } /* Keyword.Reserved */
-[data-theme="dark"] .highlight .kt { color: #66D9EF } /* Keyword.Type */
-[data-theme="dark"] .highlight .ld { color: #E6DB74 } /* Literal.Date */
-[data-theme="dark"] .highlight .m { color: #AE81FF } /* Literal.Number */
-[data-theme="dark"] .highlight .s { color: #E6DB74 } /* Literal.String */
-[data-theme="dark"] .highlight .na { color: #A6E22E } /* Name.Attribute */
-[data-theme="dark"] .highlight .nb { color: #F8F8F2 } /* Name.Builtin */
-[data-theme="dark"] .highlight .nc { color: #A6E22E } /* Name.Class */
-[data-theme="dark"] .highlight .no { color: #66D9EF } /* Name.Constant */
-[data-theme="dark"] .highlight .nd { color: #A6E22E } /* Name.Decorator */
-[data-theme="dark"] .highlight .ni { color: #F8F8F2 } /* Name.Entity */
-[data-theme="dark"] .highlight .ne { color: #A6E22E } /* Name.Exception */
-[data-theme="dark"] .highlight .nf { color: #A6E22E } /* Name.Function */
-[data-theme="dark"] .highlight .nl { color: #F8F8F2 } /* Name.Label */
-[data-theme="dark"] .highlight .nn { color: #F8F8F2 } /* Name.Namespace */
-[data-theme="dark"] .highlight .nx { color: #A6E22E } /* Name.Other */
-[data-theme="dark"] .highlight .py { color: #F8F8F2 } /* Name.Property */
-[data-theme="dark"] .highlight .nt { color: #FF4689 } /* Name.Tag */
-[data-theme="dark"] .highlight .nv { color: #F8F8F2 } /* Name.Variable */
-[data-theme="dark"] .highlight .ow { color: #FF4689 } /* Operator.Word */
-[data-theme="dark"] .highlight .pm { color: #F8F8F2 } /* Punctuation.Marker */
-[data-theme="dark"] .highlight .w { color: #F8F8F2 } /* Text.Whitespace */
-[data-theme="dark"] .highlight .mb { color: #AE81FF } /* Literal.Number.Bin */
-[data-theme="dark"] .highlight .mf { color: #AE81FF } /* Literal.Number.Float */
-[data-theme="dark"] .highlight .mh { color: #AE81FF } /* Literal.Number.Hex */
-[data-theme="dark"] .highlight .mi { color: #AE81FF } /* Literal.Number.Integer */
-[data-theme="dark"] .highlight .mo { color: #AE81FF } /* Literal.Number.Oct */
-[data-theme="dark"] .highlight .sa { color: #E6DB74 } /* Literal.String.Affix */
-[data-theme="dark"] .highlight .sb { color: #E6DB74 } /* Literal.String.Backtick */
-[data-theme="dark"] .highlight .sc { color: #E6DB74 } /* Literal.String.Char */
-[data-theme="dark"] .highlight .dl { color: #E6DB74 } /* Literal.String.Delimiter */
-[data-theme="dark"] .highlight .sd { color: #E6DB74 } /* Literal.String.Doc */
-[data-theme="dark"] .highlight .s2 { color: #E6DB74 } /* Literal.String.Double */
-[data-theme="dark"] .highlight .se { color: #AE81FF } /* Literal.String.Escape */
-[data-theme="dark"] .highlight .sh { color: #E6DB74 } /* Literal.String.Heredoc */
-[data-theme="dark"] .highlight .si { color: #E6DB74 } /* Literal.String.Interpol */
-[data-theme="dark"] .highlight .sx { color: #E6DB74 } /* Literal.String.Other */
-[data-theme="dark"] .highlight .sr { color: #E6DB74 } /* Literal.String.Regex */
-[data-theme="dark"] .highlight .s1 { color: #E6DB74 } /* Literal.String.Single */
-[data-theme="dark"] .highlight .ss { color: #E6DB74 } /* Literal.String.Symbol */
-[data-theme="dark"] .highlight .bp { color: #F8F8F2 } /* Name.Builtin.Pseudo */
-[data-theme="dark"] .highlight .fm { color: #A6E22E } /* Name.Function.Magic */
-[data-theme="dark"] .highlight .vc { color: #F8F8F2 } /* Name.Variable.Class */
-[data-theme="dark"] .highlight .vg { color: #F8F8F2 } /* Name.Variable.Global */
-[data-theme="dark"] .highlight .vi { color: #F8F8F2 } /* Name.Variable.Instance */
-[data-theme="dark"] .highlight .vm { color: #F8F8F2 } /* Name.Variable.Magic */
-[data-theme="dark"] .highlight .il { color: #AE81FF } /* Literal.Number.Integer.Long */
-
-        /* Ensure our code metrics override Pygments defaults */
-        .highlight pre {
-            white-space: pre;
-            margin: 0;
-            padding: var(--code-pad-y) 0.75rem !important;
-            line-height: var(--code-line-height) !important;
-            font-size: var(--code-font-size) !important;
-            font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace !important;
-            border: none;
-        }
-        .line-numbers { line-height: var(--code-line-height) !important; }
-        .line-numbers .line-number { line-height: var(--code-line-height) !important; }
-
-        /* Custom CSS from frontmatter */
-        
-
-        
-        
-        
-        /* Cursor for tools */
-        body[data-tool="arrow"] .main-content { 
-            cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M12 19l7-7 3 3-7 7-3-3z"/><path d="M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z"/><path d="M2 2l7.586 7.586"/><circle cx="11" cy="11" r="2"/></svg>') 12 12, crosshair;
-        }
-        body[data-tool="pen"] .main-content { 
-            cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M12 19l7-7 3 3-7 7-3-3z"/><path d="M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z"/><circle cx="4" cy="20" r="2" fill="%23e53935"/></svg>') 4 20, pointer;
-        }
-        body[data-tool="eraser"] .main-content { 
-            cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M20 20H7l-7-7 7-7h13v14z"/><path d="M13 13l7-7"/><path d="M13 13L9 9"/></svg>') 12 12, auto;
-        }
-
-        /* Color picker styles */
-        .tools-section-title {
-            font-weight: bold;
-            color: var(--text-secondary);
-            font-size: 0.65rem;
-            margin: 0.75rem 0 0.5rem 0;
-            text-transform: uppercase;
-            letter-spacing: 0.5px;
-        }
-        .color-row {
-            display: grid;
-            grid-template-columns: repeat(6, 1fr);
-            gap: 0.25rem;
-            margin-bottom: 0.5rem;
-        }
-        .color-swatch {
-            width: 18px;
-            height: 18px;
-            border: 2px solid var(--border-primary);
-            border-radius: 3px;
-            cursor: pointer;
-            transition: all 0.2s ease;
-            position: relative;
-        }
-        .color-swatch:hover {
-            transform: scale(1.1);
-            border-color: var(--text-secondary);
-        }
-        .color-swatch.selected {
-            border-color: var(--text-primary);
-            box-shadow: 0 0 0 2px var(--text-link);
-        }
-        .color-swatch.selected::after {
-            content: '✓';
-            position: absolute;
-            top: 50%;
-            left: 50%;
-            transform: translate(-50%, -50%);
-            color: white;
-            font-size: 10px;
-            font-weight: bold;
-            text-shadow: 1px 1px 1px black;
-        }
-        .color-input {
-            width: 24px;
-            height: 24px;
-            border: 2px solid var(--border-primary);
-            border-radius: 3px;
-            cursor: pointer;
-            background: none;
-            padding: 0;
-            grid-column: span 2;
-            justify-self: center;
-        }
-        .color-input:hover {
-            border-color: var(--text-secondary);
-        }
-        
-        /* Thickness slider styles */
-        .thickness-row {
-            display: flex;
-            align-items: center;
-            gap: 0.5rem;
-            margin-top: 0.75rem;
-        }
-        .thickness-slider {
-            flex: 1;
-            -webkit-appearance: none;
-            appearance: none;
-            height: 4px;
-            background: var(--border-primary);
-            border-radius: 2px;
-            outline: none;
-            opacity: 0.7;
-            transition: opacity 0.2s;
-        }
-        .thickness-slider:hover {
-            opacity: 1;
-        }
-        .thickness-slider::-webkit-slider-thumb {
-            -webkit-appearance: none;
-            appearance: none;
-            width: 12px;
-            height: 12px;
-            background: var(--text-link);
-            border-radius: 50%;
-            cursor: pointer;
-        }
-        .thickness-slider::-moz-range-thumb {
-            width: 12px;
-            height: 12px;
-            background: var(--text-link);
-            border-radius: 50%;
-            cursor: pointer;
-            border: none;
-        }
-        .thickness-value {
-            font-size: 0.7rem;
-            color: var(--text-secondary);
-            min-width: 20px;
-            text-align: right;
-        }
-
-        .highlight {
-            background: none !important;
-        }
-        
-        /* Loading animations */
-        .loading-spinner {
-            display: inline-block;
-            width: 16px;
-            height: 16px;
-            border: 2px solid var(--border-primary);
-            border-radius: 50%;
-            border-top-color: var(--text-link);
-            animation: spin 1s linear infinite;
-            margin-right: 8px;
-            vertical-align: middle;
-        }
-        
-        @keyframes spin {
-            to { transform: rotate(360deg); }
-        }
-        
-        .loading-skeleton {
-            display: inline-block;
-            background: var(--bg-tertiary);
-            background: linear-gradient(
-                90deg,
-                var(--bg-tertiary) 25%,
-                var(--bg-secondary) 50%,
-                var(--bg-tertiary) 75%
-            );
-            background-size: 200% 100%;
-            animation: loading-shimmer 2s ease-in-out infinite;
-            border-radius: 2px;
-            height: 1em;
-            width: 80px;
-            vertical-align: middle;
-        }
-        
-        @keyframes loading-shimmer {
-            0% { background-position: -200% 0; }
-            100% { background-position: 200% 0; }
-        }
-        
-        /* Loading state for cell output */
-        .cell-output:has(.loading-spinner) {
-            opacity: 0.7;
-            background: var(--bg-secondary);
-            /* border-left: 3px solid var(--text-link); */
-        }
+    --bg-primary: #ffffff;
+    --bg-secondary: #f6f8fa;
+    --bg-tertiary: #f8f9fa;
+    --bg-code: #f8f9fa;
+    --bg-error: #fdf2f2;
+    --bg-artifact: #e6f3ff;
+    --bg-artifact-hover: #d0e7ff;
+
+    --text-primary: #333;
+    --text-secondary: #656d76;
+    --text-error: #c53030;
+    --text-link: #0969da;
+
+    --border-primary: #e1e5e9;
+    --border-error: #e53e3e;
+    --border-cell-failed: #d73a49;
+
+    --shadow: rgba(0, 0, 0, 0.1);
+}
+
+:root[data-theme="dark"] {
+    --bg-primary: #0a0a0a;
+    --bg-secondary: #121212;
+    --bg-tertiary: #181818;
+    --bg-code: #0d0d0d;
+    --bg-error: #1a0f0f;
+    --bg-artifact: #151515;
+    --bg-artifact-hover: #1a1a1a;
+
+    --text-primary: #e0e0e0;
+    --text-secondary: #888888;
+    --text-error: #ff6b6b;
+    --text-link: #64b5f6;
+
+    --border-primary: #2a2a2a;
+    --border-error: #ff6b6b;
+    --border-cell-failed: #ff6b6b;
+
+    --shadow: rgba(255, 255, 255, 0.05);
+}
+
+/* Monocolor UI theme: black/white background, all text/borders single blue */
+:root[data-ui="monocolor"] {
+    --mono-color: #0a66ff;
+}
+
+:root[data-ui="monocolor"][data-theme="light"] {
+    --bg-primary: #ffffff;
+}
+
+:root[data-ui="monocolor"][data-theme="dark"] {
+    --bg-primary: #000000;
+}
+
+:root[data-ui="monocolor"] {
+    --bg-secondary: var(--bg-primary);
+    --bg-tertiary: var(--bg-primary);
+    --bg-code: var(--bg-primary);
+    --bg-error: var(--bg-primary);
+    --bg-artifact: var(--bg-primary);
+    --bg-artifact-hover: var(--bg-primary);
+
+    --text-primary: var(--mono-color);
+    --text-secondary: var(--mono-color);
+    --text-error: var(--mono-color);
+    --text-link: var(--mono-color);
+
+    --border-primary: var(--mono-color);
+    --border-error: var(--mono-color);
+    --border-cell-failed: var(--mono-color);
+
+    --shadow: none;
+}
+
+:root[data-ui="monocolor"] a {
+    color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .menu-button,
+:root[data-ui="monocolor"] .theme-toggle,
+:root[data-ui="monocolor"] .reset-toggle,
+:root[data-ui="monocolor"] .back-button {
+    background: var(--bg-primary);
+    color: var(--mono-color);
+    border-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .menu-button:hover,
+:root[data-ui="monocolor"] .theme-toggle:hover,
+:root[data-ui="monocolor"] .reset-toggle:hover,
+:root[data-ui="monocolor"] .back-button:hover {
+    background: var(--bg-primary);
+    color: var(--mono-color);
+    border-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .menu-dropdown {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+    box-shadow: none;
+}
+
+:root[data-ui="monocolor"] .menu-item {
+    color: var(--mono-color);
+    border-bottom-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .system-info {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .cell {
+    border-color: var(--mono-color);
+    background: var(--bg-primary);
+}
+
+:root[data-ui="monocolor"] .cell-header {
+    background: var(--bg-primary);
+    border-bottom-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .artifact {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+    color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .artifact:hover {
+    background: var(--bg-primary);
+}
+
+:root[data-ui="monocolor"] .artifact-preview img,
+:root[data-ui="monocolor"] .artifact-preview svg {
+    border-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .status-widget {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+    color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .minimap,
+:root[data-ui="monocolor"] .file-explorer,
+:root[data-ui="monocolor"] .tools-widget {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+    color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .cell-code {
+    background: var(--bg-primary);
+    border-bottom-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .tools-title,
+:root[data-ui="monocolor"] .file-explorer-section-title,
+:root[data-ui="monocolor"] .minimap-title {
+    color: var(--mono-color);
+    border-bottom-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .tool-button {
+    background: var(--bg-primary);
+    border-color: var(--mono-color);
+    color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .tool-button.active {
+    border-color: var(--mono-color);
+}
+
+:root[data-ui="monocolor"] .file-explorer-item,
+:root[data-ui="monocolor"] .minimap-item {
+    color: var(--mono-color);
+}
+
+/* Force Pygments code to mono blue on mono bg */
+:root[data-ui="monocolor"] .highlight {
+    background: var(--bg-primary) !important;
+    color: var(--mono-color) !important;
+}
+
+:root[data-ui="monocolor"] .highlight *,
+:root[data-ui="monocolor"] .highlight .hll {
+    color: var(--mono-color) !important;
+    background: transparent !important;
+    border-color: var(--mono-color) !important;
+}
+
+/* Default code font + metrics (overridable via frontmatter) */
+:root {
+    --code-font-size: 0.95rem;
+    --code-line-height: 1.5;
+    --code-pad-y: 0.75rem;
+}
+
+/* Minimal UI theme overrides base variables for a flatter, 90s look */
+:root[data-ui="none"] {
+    --bg-primary: #ffffff;
+    --bg-secondary: transparent;
+    --bg-tertiary: transparent;
+    --bg-code: #f9f9f9;
+    --bg-error: #fff0f0;
+    --bg-artifact: #f0f7ff;
+    --bg-artifact-hover: #e5f1ff;
+
+    --text-primary: #000000;
+    --text-secondary: #222222;
+    --text-error: #a00000;
+    --text-link: #0000ee;
+
+    --border-primary: #cccccc;
+    --border-error: #cc0000;
+    --border-cell-failed: #cc0000;
+
+    --shadow: none;
+}
+
+html {
+    overscroll-behavior: none;
+}
+
+body {
+    font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
+    line-height: 1.4;
+    max-width: 1000px;
+    margin: 0 auto;
+    padding: 15px;
+    color: var(--text-primary);
+    background: var(--bg-primary);
+    transition: background-color 0.2s ease, color 0.2s ease;
+    overscroll-behavior: none;
+}
+
+/* Minimal "none" UI theme overrides */
+:root[data-ui="none"] body {
+    font-family: 'Times New Roman', Times, serif;
+    line-height: 1.5;
+    max-width: 860px;
+    padding: 12px;
+    background: #ffffff;
+    color: #000000;
+    transition: none;
+}
+
+/* Two panel layout removed */
+
+.controls {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    display: flex;
+    flex-direction: column;
+    align-items: flex-end;
+    gap: 0.25rem;
+    z-index: 1000;
+}
+
+.controls-buttons {
+    display: flex;
+    gap: 0.5rem;
+}
+
+.menu-button {
+    position: relative;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    padding: 8px 12px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-family: inherit;
+    font-size: 0.9rem;
+    user-select: none;
+}
+
+/* Keep default control styling when widgets are enabled, even in minimal UI */
+:root[data-ui="none"][data-widgets="on"] .menu-button,
+:root[data-ui="none"][data-widgets="on"] .theme-toggle,
+:root[data-ui="none"][data-widgets="on"] .reset-toggle,
+:root[data-ui="none"][data-widgets="on"] .back-button {
+    background: #f6f6f6;
+    border: 1px solid #cccccc;
+    color: #222222;
+}
+
+.menu-button:hover {
+    color: var(--text-primary);
+    background: var(--bg-tertiary);
+}
+
+/* Controls state indicator (top-right) */
+/* Status widget (bottom-right) */
+.status-widget {
+    position: fixed;
+    right: 20px;
+    bottom: 20px;
+    width: auto;
+    max-width: 260px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    padding: 6px 8px;
+    font-size: 0.8rem;
+    color: var(--text-secondary);
+    z-index: 100;
+}
+
+.status-widget strong {
+    color: var(--text-primary);
+}
+
+:root[data-ui="none"][data-widgets="on"] .status-widget {
+    background: #f6f6f6;
+    border-color: #ccc;
+    color: #222;
+}
+
+:root[data-ui="none"][data-widgets="on"] .menu-button:hover,
+:root[data-ui="none"][data-widgets="on"] .theme-toggle:hover,
+:root[data-ui="none"][data-widgets="on"] .reset-toggle:hover,
+:root[data-ui="none"][data-widgets="on"] .back-button:hover {
+    background: #ededed;
+    border-color: #bbbbbb;
+    color: #000000;
+}
+
+.menu-dropdown {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 4px;
+    box-shadow: 0 4px 12px var(--shadow);
+    min-width: 160px;
+    opacity: 0;
+    visibility: hidden;
+    transform: translateY(-8px);
+    transition: all 0.2s ease;
+    z-index: 1001;
+    margin-top: 4px;
+}
+
+:root[data-ui="none"][data-widgets="on"] .menu-dropdown {
+    background: #ffffff;
+    border: 1px solid #cccccc;
+    box-shadow: none;
+}
+
+.menu-button.active .menu-dropdown {
+    opacity: 1;
+    visibility: visible;
+    transform: translateY(0);
+}
+
+.menu-item {
+    display: block;
+    padding: 8px 12px;
+    color: var(--text-secondary);
+    text-decoration: none;
+    font-size: 0.85rem;
+    border-bottom: 1px solid var(--border-primary);
+    cursor: pointer;
+}
+
+:root[data-ui="none"] .menu-item {
+    color: #000;
+    border-bottom: 1px solid #eee;
+}
+
+.menu-item:last-child {
+    border-bottom: none;
+}
+
+.menu-item:hover {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+}
+
+.menu-checkbox {
+    display: inline-block;
+    width: 16px;
+    font-family: monospace;
+    color: var(--text-link);
+}
+
+.theme-toggle,
+.reset-toggle,
+.back-button {
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    padding: 8px 12px;
+    border-radius: 4px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-family: inherit;
+    font-size: 0.9rem;
+    user-select: none;
+}
+
+.back-button {
+    text-decoration: none;
+    display: inline-block;
+}
+
+.theme-toggle:hover,
+.reset-toggle:hover,
+.back-button:hover {
+    color: var(--text-primary);
+    background: var(--bg-tertiary);
+}
+
+.system-info {
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 4px;
+    padding: 8px 12px;
+    margin-bottom: 16px;
+    font-size: 0.85em;
+    color: var(--text-secondary);
+}
+
+.system-info-header {
+    font-weight: 600;
+    color: var(--text-primary);
+    margin-bottom: 2px;
+}
+
+.system-info-content {
+    font-family: monospace;
+}
+
+.theme-toggle,
+.reset-toggle {
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    /* padding: 0.4rem 0.6rem; */
+    cursor: pointer;
+    font-family: inherit;
+    font-size: 0.8rem;
+    color: var(--text-secondary);
+    user-select: none;
+    transition: all 0.2s ease;
+    text-transform: lowercase;
+    letter-spacing: 0;
+}
+
+.theme-toggle:hover,
+.reset-toggle:hover {
+    background: var(--bg-tertiary);
+    border-color: var(--text-secondary);
+    color: var(--text-primary);
+}
+
+.minimap {
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    width: 220px;
+    max-height: 400px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    padding: 0.5rem;
+    font-size: 0.7rem;
+    overflow-y: auto;
+    z-index: 100;
+    opacity: 0.9;
+    transition: opacity 0.2s ease;
+}
+
+/* Hide widgets and controls when disabled via frontmatter */
+:root[data-widgets="off"] .controls,
+:root[data-widgets="off"] .minimap,
+:root[data-widgets="off"] .file-explorer,
+:root[data-widgets="off"] .tools-widget,
+:root[data-widgets="off"] .status-widget {
+    display: none !important;
+}
+
+.file-explorer {
+    position: fixed;
+    bottom: 20px;
+    /* default; JS will stack */
+    right: 20px;
+    left: auto;
+    top: auto;
+    width: 220px;
+    max-height: 400px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    padding: 0.5rem;
+    font-size: 0.7rem;
+    overflow-y: auto;
+    z-index: 100;
+    opacity: 0.9;
+    transition: opacity 0.2s ease;
+}
+
+/* Drawing overlay */
+.draw-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100vw;
+    height: 100vh;
+    z-index: 80;
+    /* under widgets (100) and controls (1000) */
+    display: block;
+    pointer-events: none;
+    /* enabled only when a tool is active */
+}
+
+/* Tools widget */
+.tools-widget {
+    position: fixed;
+    bottom: 20px;
+    /* default; JS will stack */
+    right: 20px;
+    left: auto;
+    top: auto;
+    width: 220px;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    padding: 0.5rem;
+    font-size: 0.7rem;
+    z-index: 100;
+    opacity: 0.95;
+}
+
+.tools-title {
+    font-weight: bold;
+    color: var(--text-secondary);
+    margin-bottom: 0.5rem;
+    padding-bottom: 0.25rem;
+    border-bottom: 1px solid var(--border-primary);
+    cursor: grab;
+    user-select: none;
+}
+
+.tools-row {
+    display: flex;
+    gap: 0.4rem;
+    flex-wrap: wrap;
+}
+
+.tool-button {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    padding: 0.25rem 0.4rem;
+    cursor: pointer;
+    color: var(--text-secondary);
+    font-family: inherit;
+    font-size: 0.75rem;
+    user-select: none;
+}
+
+.tool-button:hover {
+    color: var(--text-primary);
+}
+
+.tool-button.active {
+    color: var(--text-primary);
+    border-color: var(--text-secondary);
+    background: var(--bg-secondary);
+}
+
+.minimap:hover,
+.file-explorer:hover {
+    opacity: 1;
+}
+
+.minimap-title {
+    font-weight: bold;
+    color: var(--text-secondary);
+    margin-bottom: 0.5rem;
+    padding-bottom: 0.25rem;
+    border-bottom: 1px solid var(--border-primary);
+    cursor: grab;
+    /* drag handle */
+    user-select: none;
+}
+
+.minimap-item {
+    display: block;
+    color: var(--text-secondary);
+    text-decoration: none;
+    padding: 0.15rem 0;
+    border-left: 2px solid transparent;
+    padding-left: 0.5rem;
+    transition: all 0.2s ease;
+    cursor: pointer;
+}
+
+.minimap-item:hover {
+    color: var(--text-primary);
+    border-left-color: var(--text-secondary);
+}
+
+.minimap-item.active {
+    color: var(--text-primary);
+    border-left-color: var(--text-link);
+}
+
+.minimap-heading {
+    font-weight: normal;
+}
+
+.minimap-heading.h1 {
+    padding-left: 0.5rem;
+}
+
+.minimap-heading.h2 {
+    padding-left: 1rem;
+}
+
+.minimap-heading.h3 {
+    padding-left: 1.5rem;
+}
+
+.minimap-heading.h4 {
+    padding-left: 2rem;
+}
+
+.minimap-heading.h5 {
+    padding-left: 2.5rem;
+}
+
+.minimap-heading.h6 {
+    padding-left: 3rem;
+}
+
+.minimap-cell {
+    color: var(--text-link);
+    opacity: 0.8;
+    font-style: italic;
+}
+
+.minimap-cell:hover {
+    opacity: 1;
+}
+
+.file-explorer-title {
+    font-weight: bold;
+    color: var(--text-secondary);
+    margin-bottom: 0.5rem;
+    padding-bottom: 0.25rem;
+    border-bottom: 1px solid var(--border-primary);
+    cursor: grab;
+    /* drag handle */
+    user-select: none;
+}
+
+.file-explorer-section {
+    margin-bottom: 0.75rem;
+}
+
+.file-explorer-section-title {
+    font-weight: bold;
+    color: var(--text-secondary);
+    font-size: 0.65rem;
+    margin-bottom: 0.25rem;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.file-explorer-item {
+    display: block;
+    color: var(--text-secondary);
+    text-decoration: none;
+    padding: 0.1rem 0;
+    margin-left: 0.5rem;
+    transition: color 0.2s ease;
+    cursor: pointer;
+    font-family: monospace;
+}
+
+.file-explorer-item:hover {
+    color: var(--text-primary);
+}
+
+.file-explorer-item.script {
+    color: var(--text-link);
+}
+
+.file-explorer-item.artifact {
+    color: var(--text-secondary);
+    opacity: 0.8;
+}
+
+
+/* Hide widgets on smaller screens */
+@media (max-width: 768px) {
+
+    .minimap,
+    .file-explorer,
+    .tools-widget {
+        display: none;
+    }
+}
+
+.cell {
+    margin: 1rem 0;
+    border: 1px solid var(--border-primary);
+    border-radius: 2px;
+    overflow: hidden;
+    background: var(--bg-secondary);
+}
+
+:root[data-ui="none"] .cell {
+    margin: 1em 0;
+    border: none;
+    background: transparent;
+}
+
+.cell-header {
+    background: var(--bg-secondary);
+    padding: 0.5rem 1rem;
+    border-bottom: 1px solid var(--border-primary);
+    font-family: inherit;
+    font-size: 0.85rem;
+}
+
+:root[data-ui="none"] .cell-header {
+    background: transparent;
+    border: none;
+    padding: 0;
+    font-weight: bold;
+}
+
+:root[data-ui="none"] .cell-content {
+    padding: 0;
+}
+
+:root[data-ui="none"] .copy-button,
+:root[data-ui="none"] .collapse-indicators,
+:root[data-ui="none"] .cell-meta,
+:root[data-ui="none"] .cell-outputs-header {
+    display: none !important;
+}
+
+:root[data-ui="none"] pre,
+:root[data-ui="none"] code {
+    font-family: Menlo, Monaco, 'Courier New', monospace;
+}
+
+:root[data-ui="none"] .code-content pre {
+    background: #f9f9f9;
+    border: 1px solid #ddd;
+    padding: 8px;
+}
+
+:root[data-ui="none"] .output {
+    background: transparent;
+    border: none;
+    padding: 0.25em 0;
+}
+
+color: var(--text-secondary);
+cursor: pointer;
+user-select: none;
+transition: background-color 0.2s ease;
+}
+
+.cell-header:hover {
+    background: var(--bg-tertiary);
+}
+
+.collapse-indicators {
+    color: var(--text-secondary);
+    font-size: 0.8rem;
+    opacity: 0.7;
+}
+
+.collapse-indicators span:hover {
+    color: var(--text-primary);
+    opacity: 1;
+}
+
+.cell-code {
+    display: block;
+    background: var(--bg-code);
+}
+
+.cell-code.collapsed {
+    display: none;
+}
+
+.cell-code pre {
+    margin: 0;
+    padding: 0.75rem;
+    background: var(--bg-code);
+    overflow-x: auto;
+    color: var(--text-primary);
+}
+
+.cell-output {
+    padding: 0.75rem;
+    /* background: var(--bg-primary); */
+    background: var(--bg-secondary);
+}
+
+.cell-output.collapsed {
+    display: none;
+}
+
+.cell-stdout {
+    background: var(--bg-tertiary);
+    padding: 0.75rem;
+    border-radius: 1px;
+    /* margin: 0.25rem 0; */
+    font-family: inherit;
+    font-size: 0.9rem;
+    white-space: pre-wrap;
+    color: var(--text-primary);
+}
+
+.cell-stdout {
+    background: var(--bg-tertiary);
+    padding: 0.75rem;
+    border-radius: 1px;
+    font-family: inherit;
+    font-size: 0.9rem;
+    color: var(--text-primary);
+
+    /* key bits */
+    overflow: auto;
+    /* show scrollbars when needed */
+    max-width: 100%;
+    /* respects whatever layout width you give it */
+}
+
+.cell-stdout .stdout-text {
+    margin: 0;
+    /* reset pre default margin */
+    white-space: pre;
+    /* keep line breaks, NO wrapping */
+    display: inline-block;
+    /* shrink-to-content */
+    min-width: max-content;
+    /* allow very long lines to define intrinsic width */
+    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+    tab-size: 2;
+}
+
+.cell-stderr {
+    background: var(--bg-error);
+    border-left: 2px solid var(--border-error);
+    padding: 1rem;
+    margin: 0.5rem 0;
+    font-family: inherit;
+    font-size: 0.9rem;
+    color: var(--text-error);
+    white-space: pre-wrap;
+}
+
+.uv-install-logs {
+    margin: 0.5rem 0;
+}
+
+.uv-logs-header {
+    cursor: pointer;
+    padding: 0.75rem;
+    border-left: 3px solid var(--border-color);
+    font-family: inherit;
+    font-size: 0.85rem;
+    color: var(--text-secondary);
+    user-select: none;
+}
+
+.uv-logs-content {
+    background: var(--bg-secondary);
+    padding: 1rem;
+    border-left: 3px solid var(--border-color);
+    white-space: pre-wrap;
+    font-family: monospace;
+    font-size: 0.85rem;
+    color: var(--text-secondary);
+    overflow-x: auto;
+}
+
+.cell-artifacts {
+    margin: 1rem 0;
+}
+
+.cell-artifacts h4 {
+    margin: 0 0 0.5rem 0;
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+.artifact {
+    display: inline-block;
+    background: var(--bg-artifact);
+    padding: 0.25rem 0.5rem;
+    border-radius: 1px;
+    margin: 0.25rem 0.5rem 0.25rem 0;
+    font-family: inherit;
+    font-size: 0.8rem;
+    color: var(--text-link);
+    text-decoration: none;
+    transition: background-color 0.2s ease;
+    border: 1px solid var(--border-primary);
+}
+
+.artifact:hover {
+    background: var(--bg-artifact-hover);
+}
+
+.artifact-preview {
+    margin-top: 1rem;
+}
+
+.artifact-preview img {
+    max-width: 100%;
+    height: auto;
+    border: 1px solid var(--border-primary);
+    border-radius: 1px;
+}
+
+.artifact-preview svg {
+    max-width: 100%;
+    height: auto;
+    border: 1px solid var(--border-primary);
+    border-radius: 1px;
+    display: block;
+}
+
+/* Style SVG text elements */
+.artifact-preview svg g {
+    fill: var(--text-primary) !important;
+}
+
+/* Auto-theme SVG elements */
+.artifact-preview svg {
+    background: transparent;
+}
+
+/* Invert SVG images in dark mode */
+:root[data-theme="dark"] .artifact-preview img[src$=".svg"] {
+    filter: invert(0.9) hue-rotate(180deg);
+}
+
+/* Keep SVG images readable in monocolor mode */
+:root[data-ui="monocolor"] .artifact-preview img[src$=".svg"] {
+    filter: none;
+}
+
+/* CSV table styling */
+.artifact-csv {
+    margin-top: 1rem;
+    overflow-x: auto;
+}
+
+.csv-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.9rem;
+    background: var(--bg-secondary);
+    border: 1px solid var(--border-primary);
+    border-radius: 1px;
+}
+
+.csv-table th,
+.csv-table td {
+    padding: 0.5rem 0.75rem;
+    text-align: left;
+    border: 1px solid var(--border-primary);
+}
+
+.csv-table th {
+    background: var(--bg-tertiary);
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.csv-table tbody tr:hover {
+    background: var(--bg-artifact-hover);
+}
+
+.artifact-csv-error {
+    margin-top: 1rem;
+    padding: 1rem;
+    background: var(--bg-error);
+    color: var(--text-error);
+    border: 1px solid var(--border-error);
+    border-radius: 1px;
+}
+
+.cell-failed {
+    border-color: var(--border-cell-failed);
+}
+
+.cell-failed .cell-header {
+    background: var(--bg-error);
+    color: var(--text-error);
+}
+
+.cell-commented {
+    opacity: 0.6;
+    border-style: dashed;
+}
+
+.cell-commented .cell-header {
+    background: var(--bg-secondary);
+    color: var(--text-secondary);
+    font-style: italic;
+}
+
+.run-btn {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    padding: 2px 6px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 0.75em;
+    font-family: inherit;
+    margin-left: 4px;
+}
+
+.run-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-primary);
+}
+
+.run-btn:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+}
+
+.copy-btn {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    padding: 2px 6px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 0.75em;
+    font-family: inherit;
+    margin-left: 4px;
+}
+
+.copy-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-primary);
+}
+
+.copy-btn:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+}
+
+.copy-btn.copied {
+    color: #4caf50;
+    background: var(--bg-primary);
+    border-color: #4caf50;
+    transition: all 0.2s ease;
+}
+
+.raw-btn {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    padding: 2px 6px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 0.75em;
+    font-family: inherit;
+    margin-left: 4px;
+    text-decoration: none;
+    display: inline-block;
+}
+
+.raw-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-primary);
+    text-decoration: none;
+}
+
+.github-btn {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    padding: 2px 6px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 0.75em;
+    font-family: inherit;
+    margin-left: 4px;
+    text-decoration: none;
+    display: inline-block;
+}
+
+.github-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-primary);
+    text-decoration: none;
+}
+
+.hf-btn {
+    background: var(--bg-tertiary);
+    border: 1px solid var(--border-primary);
+    padding: 2px 6px;
+    border-radius: 2px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    font-size: 0.75em;
+    font-family: inherit;
+    margin-left: 4px;
+    text-decoration: none;
+    display: inline-block;
+}
+
+.hf-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-primary);
+    text-decoration: none;
+}
+
+.output-stale {
+    opacity: 0.5;
+    position: relative;
+}
+
+.output-stale::after {
+    content: '⏳ updating...';
+    position: absolute;
+    top: 8px;
+    right: 8px;
+    background: var(--bg-secondary);
+    padding: 4px 8px;
+    border-radius: 2px;
+    font-size: 0.75em;
+    color: var(--text-secondary);
+    border: 1px solid var(--border-primary);
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+    margin-top: 1.5rem;
+    margin-bottom: 0.75rem;
+    color: var(--text-primary);
+}
+
+h1 {
+    margin-top: 0;
+    margin-bottom: 1rem;
+}
+
+p {
+    margin: 0.75rem 0;
+    color: var(--text-primary);
+}
+
+a {
+    color: var(--text-link);
+}
+
+img {
+    max-width: 100%;
+    height: auto;
+    border-radius: 1px;
+    box-shadow: none;
+}
+
+pre,
+code {
+    font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
+    font-size: var(--code-font-size);
+}
+
+.code-wrap {
+    position: relative;
+}
+
+.code-line-highlight {
+    display: none;
+    position: absolute;
+    left: 0;
+    right: 0;
+    height: 1.5em;
+    background: rgba(255, 235, 170, 0.35);
+    pointer-events: none;
+    border-left: 3px solid #f4c542;
+}
+
+.line-number {
+    cursor: pointer;
+    text-decoration: none;
+    color: var(--text-secondary);
+    padding: 0 0.25rem;
+}
+
+.line-number.selected {
+    background: rgba(255, 235, 170, 0.4);
+    color: var(--text-primary);
+}
+
+/* Line numbers */
+.highlight-with-lines {
+    display: flex;
+}
+
+.line-numbers {
+    background: var(--bg-tertiary);
+    padding: var(--code-pad-y) 0.5rem;
+    font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;
+    font-size: var(--code-font-size);
+    line-height: var(--code-line-height);
+    color: var(--text-secondary);
+    user-select: none;
+    text-align: right;
+    border-right: 1px solid var(--border-primary);
+}
+
+.line-numbers .line-number {
+    display: block;
+    line-height: var(--code-line-height);
+}
+
+.highlight-with-lines .highlight {
+    flex: 1;
+}
+
+.highlight .hll {
+    background-color: transparent;
+}
+
+/* don't conflict with our highlight */
+.highlight pre {
+    white-space: pre;
+    margin: 0;
+    padding: var(--code-pad-y) 0.75rem;
+    line-height: var(--code-line-height);
+}
+
+/* Collapsed code styling */
+.cell-code.collapsed {
+    display: none;
+}
+
+.cell-code.expanded {
+    display: block;
+}
+
+    {
+    % if config.collapse_code %
+}
+
+.cell-code {
+    display: none;
+}
+
+    {
+    % else %
+}
+
+.cell-code {
+    display: block;
+    border-bottom: 1px solid var(--border-primary);
+}
+
+    {
+    % endif %
+}
+
+    {
+        {
+        pygments_css
+    }
+}
+
+/* Ensure our code metrics override Pygments defaults */
+.highlight pre {
+    white-space: pre;
+    margin: 0;
+    padding: var(--code-pad-y) 0.75rem !important;
+    line-height: var(--code-line-height) !important;
+    font-size: var(--code-font-size) !important;
+    font-family: 'Cascadia Mono', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace !important;
+    border: none;
+}
+
+.line-numbers {
+    line-height: var(--code-line-height) !important;
+}
+
+.line-numbers .line-number {
+    line-height: var(--code-line-height) !important;
+}
+
+/* Custom CSS from frontmatter */
+    {
+        {
+        config.custom_css
+    }
+}
+
+    {
+    # Override code font size from frontmatter (accept number as px) #
+}
+
+    {
+    % if config.code_font_size is not none %
+}
+
+    {
+    % if config.code_font_size is string %
+}
+
+:root {
+    --code-font-size: {
+            {
+            config.code_font_size
+        }
+    }
+
+    ;
+}
+
+    {
+    % else %
+}
+
+:root {
+    --code-font-size: {
+            {
+            config.code_font_size
+        }
+    }
+
+    px;
+}
+
+    {
+    % endif %
+}
+
+    {
+    % endif %
+}
+
+/* Cursor for tools */
+body[data-tool="arrow"] .main-content {
+    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M12 19l7-7 3 3-7 7-3-3z"/><path d="M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z"/><path d="M2 2l7.586 7.586"/><circle cx="11" cy="11" r="2"/></svg>') 12 12, crosshair;
+}
+
+body[data-tool="pen"] .main-content {
+    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M12 19l7-7 3 3-7 7-3-3z"/><path d="M18 13l-1.5-7.5L2 2l3.5 14.5L13 18l5-5z"/><circle cx="4" cy="20" r="2" fill="%23e53935"/></svg>') 4 20, pointer;
+}
+
+body[data-tool="eraser"] .main-content {
+    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23e53935" stroke-width="2"><path d="M20 20H7l-7-7 7-7h13v14z"/><path d="M13 13l7-7"/><path d="M13 13L9 9"/></svg>') 12 12, auto;
+}
+
+/* Color picker styles */
+.tools-section-title {
+    font-weight: bold;
+    color: var(--text-secondary);
+    font-size: 0.65rem;
+    margin: 0.75rem 0 0.5rem 0;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.color-row {
+    display: grid;
+    grid-template-columns: repeat(6, 1fr);
+    gap: 0.25rem;
+    margin-bottom: 0.5rem;
+}
+
+.color-swatch {
+    width: 18px;
+    height: 18px;
+    border: 2px solid var(--border-primary);
+    border-radius: 3px;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    position: relative;
+}
+
+.color-swatch:hover {
+    transform: scale(1.1);
+    border-color: var(--text-secondary);
+}
+
+.color-swatch.selected {
+    border-color: var(--text-primary);
+    box-shadow: 0 0 0 2px var(--text-link);
+}
+
+.color-swatch.selected::after {
+    content: '✓';
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    color: white;
+    font-size: 10px;
+    font-weight: bold;
+    text-shadow: 1px 1px 1px black;
+}
+
+.color-input {
+    width: 24px;
+    height: 24px;
+    border: 2px solid var(--border-primary);
+    border-radius: 3px;
+    cursor: pointer;
+    background: none;
+    padding: 0;
+    grid-column: span 2;
+    justify-self: center;
+}
+
+.color-input:hover {
+    border-color: var(--text-secondary);
+}
+
+/* Thickness slider styles */
+.thickness-row {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    margin-top: 0.75rem;
+}
+
+.thickness-slider {
+    flex: 1;
+    -webkit-appearance: none;
+    appearance: none;
+    height: 4px;
+    background: var(--border-primary);
+    border-radius: 2px;
+    outline: none;
+    opacity: 0.7;
+    transition: opacity 0.2s;
+}
+
+.thickness-slider:hover {
+    opacity: 1;
+}
+
+.thickness-slider::-webkit-slider-thumb {
+    -webkit-appearance: none;
+    appearance: none;
+    width: 12px;
+    height: 12px;
+    background: var(--text-link);
+    border-radius: 50%;
+    cursor: pointer;
+}
+
+.thickness-slider::-moz-range-thumb {
+    width: 12px;
+    height: 12px;
+    background: var(--text-link);
+    border-radius: 50%;
+    cursor: pointer;
+    border: none;
+}
+
+.thickness-value {
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+    min-width: 20px;
+    text-align: right;
+}
+
+.highlight {
+    background: none !important;
+}
+
+/* Loading animations */
+.loading-spinner {
+    display: inline-block;
+    width: 16px;
+    height: 16px;
+    border: 2px solid var(--border-primary);
+    border-radius: 50%;
+    border-top-color: var(--text-link);
+    animation: spin 1s linear infinite;
+    margin-right: 8px;
+    vertical-align: middle;
+}
+
+@keyframes spin {
+    to {
+        transform: rotate(360deg);
+    }
+}
+
+.loading-skeleton {
+    display: inline-block;
+    background: var(--bg-tertiary);
+    background: linear-gradient(90deg,
+            var(--bg-tertiary) 25%,
+            var(--bg-secondary) 50%,
+            var(--bg-tertiary) 75%);
+    background-size: 200% 100%;
+    animation: loading-shimmer 2s ease-in-out infinite;
+    border-radius: 2px;
+    height: 1em;
+    width: 80px;
+    vertical-align: middle;
+}
+
+@keyframes loading-shimmer {
+    0% {
+        background-position: -200% 0;
+    }
+
+    100% {
+        background-position: 200% 0;
+    }
+}
+
+/* Loading state for cell output */
+.cell-output:has(.loading-spinner) {
+    opacity: 0.7;
+    background: var(--bg-secondary);
+    /* border-left: 3px solid var(--text-link); */
+}
     </style>
     <script>
 // --- Drag utilities ---
@@ -3880,7 +4107,7 @@ span.linenos.special { color: #000000; background-color: #ffffc0; padding-left:
 <span onclick="toggleOutput('benchmark')" style="cursor: pointer;">▼ output</span>
  <span id="uv-indicator-benchmark" onclick="toggleUvLogsFromHeader('benchmark')" style="cursor: pointer;">▶ uv-logs</span>
 </span> | 
-Cell: benchmark | 9.83s
+Cell: benchmark | 6.10s
  | <button class="run-btn" onclick="runCell('benchmark')">▶ run</button>
 <button class="copy-btn" onclick="copyCell('benchmark')">Copy</button>
 <a href="cells/benchmark.py" target="_blank" class="raw-btn">Raw</a>
@@ -3951,19 +4178,19 @@ PROFILE TRACE: hf_kernels_layer_norm | LN_B16_S2048_D4096
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
                                                    Name    Self CPU %      Self CPU   CPU total %     CPU total  CPU time avg     Self CUDA   Self CUDA %    CUDA total  CUDA time avg    # of Calls  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-                                  hf_kernels_layer_norm         4.95%     198.743us        46.81%       1.878ms       1.878ms       0.000us         0.00%       3.111ms       3.111ms             1  
-                _layer_norm_f8ec252::dropout_add_ln_fwd         1.73%      69.535us        41.21%       1.653ms     550.933us       2.375ms       100.00%       3.111ms       1.037ms             3  
-                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       2.376ms       100.07%       2.376ms       2.376ms             1  
-void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       2.375ms       100.00%       2.375ms     791.590us             3  
-                                Activity Buffer Request        36.98%       1.483ms        36.98%       1.483ms       1.483ms     736.636us        31.02%     736.636us     736.636us             1  
-                                             aten::view         0.65%      26.132us         0.65%      26.132us       4.355us       0.000us         0.00%       0.000us       0.000us             6  
-                                            aten::empty         1.22%      49.009us         1.22%      49.009us       5.445us       0.000us         0.00%       0.000us       0.000us             9  
-cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.22%       8.769us         0.22%       8.769us       2.923us       0.000us         0.00%       0.000us       0.000us             3  
-                                       cudaLaunchKernel         1.05%      42.291us         1.05%      42.291us      14.097us       0.000us         0.00%       0.000us       0.000us             3  
-                                  cudaDeviceSynchronize        53.19%       2.133ms        53.19%       2.133ms       2.133ms       0.000us         0.00%       0.000us       0.000us             1  
+                                  hf_kernels_layer_norm         4.90%     197.042us        46.64%       1.877ms       1.877ms       0.000us         0.00%       3.132ms       3.132ms             1  
+                _layer_norm_f8ec252::dropout_add_ln_fwd         1.74%      69.952us        41.15%       1.656ms     551.934us       2.385ms       100.00%       3.132ms       1.044ms             3  
+                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       2.386ms       100.06%       2.386ms       2.386ms             1  
+void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       2.385ms       100.00%       2.385ms     794.945us             3  
+                                Activity Buffer Request        37.01%       1.489ms        37.01%       1.489ms       1.489ms     747.170us        31.33%     747.170us     747.170us             1  
+                                             aten::view         0.59%      23.780us         0.59%      23.780us       3.963us       0.000us         0.00%       0.000us       0.000us             6  
+                                            aten::empty         1.17%      47.212us         1.17%      47.212us       5.246us       0.000us         0.00%       0.000us       0.000us             9  
+cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.23%       9.090us         0.23%       9.090us       3.030us       0.000us         0.00%       0.000us       0.000us             3  
+                                       cudaLaunchKernel         1.00%      40.411us         1.00%      40.411us      13.470us       0.000us         0.00%       0.000us       0.000us             3  
+                                  cudaDeviceSynchronize        53.36%       2.147ms        53.36%       2.147ms       2.147ms       0.000us         0.00%       0.000us       0.000us             1  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-Self CPU time total: 4.011ms
-Self CUDA time total: 2.375ms
+Self CPU time total: 4.023ms
+Self CUDA time total: 2.385ms
 
 
 
@@ -3973,19 +4200,19 @@ PROFILE TRACE: hf_kernels_layer_norm | LN_B16_S2048_D8192
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
                                                    Name    Self CPU %      Self CPU   CPU total %     CPU total  CPU time avg     Self CUDA   Self CUDA %    CUDA total  CUDA time avg    # of Calls  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-                                  hf_kernels_layer_norm         1.97%     125.105us        26.88%       1.705ms       1.705ms       0.000us         0.00%       6.375ms       6.375ms             1  
-                _layer_norm_f8ec252::dropout_add_ln_fwd         0.73%      46.170us        24.73%       1.568ms     522.755us       4.809ms       100.00%       6.375ms       2.125ms             3  
-                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       4.811ms       100.03%       4.811ms       4.811ms             1  
-void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       4.809ms       100.00%       4.809ms       1.603ms             3  
-                                Activity Buffer Request        22.98%       1.457ms        22.98%       1.457ms       1.457ms       1.565ms        32.55%       1.565ms       1.565ms             1  
-                                             aten::view         0.18%      11.529us         0.18%      11.529us       1.922us       0.000us         0.00%       0.000us       0.000us             6  
-                                            aten::empty         0.46%      29.430us         0.46%      29.430us       3.270us       0.000us         0.00%       0.000us       0.000us             9  
-cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.08%       4.900us         0.08%       4.900us       1.633us       0.000us         0.00%       0.000us       0.000us             3  
-                                       cudaLaunchKernel         0.48%      30.441us         0.48%      30.441us      10.147us       0.000us         0.00%       0.000us       0.000us             3  
-                                  cudaDeviceSynchronize        73.12%       4.638ms        73.12%       4.638ms       4.638ms       0.000us         0.00%       0.000us       0.000us             1  
+                                  hf_kernels_layer_norm         2.41%     154.482us        27.38%       1.753ms       1.753ms       0.000us         0.00%       6.413ms       6.413ms             1  
+                _layer_norm_f8ec252::dropout_add_ln_fwd         0.72%      46.409us        24.77%       1.586ms     528.643us       4.824ms       100.00%       6.413ms       2.138ms             3  
+                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       4.826ms       100.03%       4.826ms       4.826ms             1  
+void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       4.824ms       100.00%       4.824ms       1.608ms             3  
+                                Activity Buffer Request        23.06%       1.476ms        23.06%       1.476ms       1.476ms       1.588ms        32.92%       1.588ms       1.588ms             1  
+                                             aten::view         0.20%      12.531us         0.20%      12.531us       2.089us       0.000us         0.00%       0.000us       0.000us             6  
+                                            aten::empty         0.47%      30.283us         0.47%      30.283us       3.365us       0.000us         0.00%       0.000us       0.000us             9  
+cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.08%       5.150us         0.08%       5.150us       1.717us       0.000us         0.00%       0.000us       0.000us             3  
+                                       cudaLaunchKernel         0.43%      27.650us         0.43%      27.650us       9.217us       0.000us         0.00%       0.000us       0.000us             3  
+                                  cudaDeviceSynchronize        72.62%       4.650ms        72.62%       4.650ms       4.650ms       0.000us         0.00%       0.000us       0.000us             1  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-Self CPU time total: 6.343ms
-Self CUDA time total: 4.809ms
+Self CPU time total: 6.403ms
+Self CUDA time total: 4.824ms
 
 
 
@@ -3995,19 +4222,19 @@ PROFILE TRACE: hf_kernels_layer_norm | LN_B16_S4096_D4096
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
                                                    Name    Self CPU %      Self CPU   CPU total %     CPU total  CPU time avg     Self CUDA   Self CUDA %    CUDA total  CUDA time avg    # of Calls  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-                                  hf_kernels_layer_norm         1.75%     110.793us        26.94%       1.702ms       1.702ms       0.000us         0.00%       6.331ms       6.331ms             1  
-                _layer_norm_f8ec252::dropout_add_ln_fwd         0.70%      44.248us        25.01%       1.580ms     526.532us       4.779ms       100.00%       6.331ms       2.110ms             3  
-                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       4.781ms       100.03%       4.781ms       4.781ms             1  
-void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       4.779ms       100.00%       4.779ms       1.593ms             3  
-                                Activity Buffer Request        23.30%       1.472ms        23.30%       1.472ms       1.472ms       1.552ms        32.48%       1.552ms       1.552ms             1  
-                                             aten::view         0.18%      11.190us         0.18%      11.190us       1.865us       0.000us         0.00%       0.000us       0.000us             6  
-                                            aten::empty         0.49%      30.823us         0.49%      30.823us       3.425us       0.000us         0.00%       0.000us       0.000us             9  
-cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.08%       4.981us         0.08%       4.981us       1.660us       0.000us         0.00%       0.000us       0.000us             3  
-                                       cudaLaunchKernel         0.44%      28.031us         0.44%      28.031us       9.344us       0.000us         0.00%       0.000us       0.000us             3  
-                                  cudaDeviceSynchronize        73.06%       4.615ms        73.06%       4.615ms       4.615ms       0.000us         0.00%       0.000us       0.000us             1  
+                                  hf_kernels_layer_norm         2.19%     139.552us        27.69%       1.763ms       1.763ms       0.000us         0.00%       6.329ms       6.329ms             1  
+                _layer_norm_f8ec252::dropout_add_ln_fwd         0.72%      45.651us        25.31%       1.612ms     537.326us       4.772ms       100.00%       6.329ms       2.110ms             3  
+                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       4.774ms       100.03%       4.774ms       4.774ms             1  
+void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       4.772ms       100.00%       4.772ms       1.591ms             3  
+                                Activity Buffer Request        23.61%       1.504ms        23.61%       1.504ms       1.504ms       1.557ms        32.63%       1.557ms       1.557ms             1  
+                                             aten::view         0.19%      11.951us         0.19%      11.951us       1.992us       0.000us         0.00%       0.000us       0.000us             6  
+                                            aten::empty         0.48%      30.520us         0.48%      30.520us       3.391us       0.000us         0.00%       0.000us       0.000us             9  
+cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.08%       5.131us         0.08%       5.131us       1.710us       0.000us         0.00%       0.000us       0.000us             3  
+                                       cudaLaunchKernel         0.42%      26.970us         0.42%      26.970us       8.990us       0.000us         0.00%       0.000us       0.000us             3  
+                                  cudaDeviceSynchronize        72.31%       4.606ms        72.31%       4.606ms       4.606ms       0.000us         0.00%       0.000us       0.000us             1  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-Self CPU time total: 6.317ms
-Self CUDA time total: 4.779ms
+Self CPU time total: 6.370ms
+Self CUDA time total: 4.772ms
 
 
 
@@ -4017,38 +4244,36 @@ PROFILE TRACE: hf_kernels_layer_norm | LN_B16_S4096_D8192
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
                                                    Name    Self CPU %      Self CPU   CPU total %     CPU total  CPU time avg     Self CUDA   Self CUDA %    CUDA total  CUDA time avg    # of Calls  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-                                  hf_kernels_layer_norm         1.11%     111.882us         6.14%     619.354us     619.354us       0.000us         0.00%      12.808ms      12.808ms             1  
-                _layer_norm_f8ec252::dropout_add_ln_fwd         0.46%      46.119us         4.92%     496.462us     165.487us       9.625ms       100.00%      12.808ms       4.269ms             3  
-                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       9.626ms       100.01%       9.626ms       9.626ms             1  
-void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       9.625ms       100.00%       9.625ms       3.208ms             3  
-                                Activity Buffer Request         1.38%     138.943us         1.38%     138.943us     138.943us       3.183ms        33.07%       3.183ms       3.183ms             1  
-                                             aten::view         0.11%      11.010us         0.11%      11.010us       1.835us       0.000us         0.00%       0.000us       0.000us             6  
-                                            aten::empty         0.31%      31.174us         0.31%      31.174us       3.464us       0.000us         0.00%       0.000us       0.000us             9  
-cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.05%       5.190us         0.05%       5.190us       1.730us       0.000us         0.00%       0.000us       0.000us             3  
-                                       cudaLaunchKernel         2.73%     275.036us         2.73%     275.036us      91.679us       0.000us         0.00%       0.000us       0.000us             3  
-                                  cudaDeviceSynchronize        93.86%       9.465ms        93.86%       9.465ms       9.465ms       0.000us         0.00%       0.000us       0.000us             1  
+                                  hf_kernels_layer_norm         1.25%     143.461us        17.42%       1.995ms       1.995ms       0.000us         0.00%      12.814ms      12.814ms             1  
+                _layer_norm_f8ec252::dropout_add_ln_fwd         0.40%      45.652us        16.06%       1.839ms     613.131us       9.628ms       100.00%      12.814ms       4.271ms             3  
+                                  hf_kernels_layer_norm         0.00%       0.000us         0.00%       0.000us       0.000us       9.629ms       100.01%       9.629ms       9.629ms             1  
+void layer_norm::ln_fwd_kernel&lt;layer_norm::Kernel_tr...         0.00%       0.000us         0.00%       0.000us       0.000us       9.628ms       100.00%       9.628ms       3.209ms             3  
+                                Activity Buffer Request        12.97%       1.486ms        12.97%       1.486ms       1.486ms       3.186ms        33.09%       3.186ms       3.186ms             1  
+                                             aten::view         0.11%      12.411us         0.11%      12.411us       2.069us       0.000us         0.00%       0.000us       0.000us             6  
+                                            aten::empty         0.27%      31.101us         0.27%      31.101us       3.456us       0.000us         0.00%       0.000us       0.000us             9  
+cudaOccupancyMaxActiveBlocksPerMultiprocessorWithFla...         0.04%       5.010us         0.04%       5.010us       1.670us       0.000us         0.00%       0.000us       0.000us             3  
+                                       cudaLaunchKernel         2.37%     271.915us         2.37%     271.915us      90.638us       0.000us         0.00%       0.000us       0.000us             3  
+                                  cudaDeviceSynchronize        82.58%       9.458ms        82.58%       9.458ms       9.458ms       0.000us         0.00%       0.000us       0.000us             1  
 -------------------------------------------------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  ------------  
-Self CPU time total: 10.085ms
-Self CUDA time total: 9.625ms
+Self CPU time total: 11.453ms
+Self CUDA time total: 9.628ms
 
 
 impl                     wl                  p50(ms)  ok
-hf_kernels_layer_norm    LN_B16_S2048_D4096     0.83  True
-hf_kernels_layer_norm    LN_B16_S2048_D8192     1.66  True
+hf_kernels_layer_norm    LN_B16_S2048_D4096     0.84  True
+hf_kernels_layer_norm    LN_B16_S2048_D8192     1.65  True
 hf_kernels_layer_norm    LN_B16_S4096_D4096     1.65  True
 hf_kernels_layer_norm    LN_B16_S4096_D8192     3.26  True
 </pre></div>
 <div class="uv-install-logs" id="uv-logs-benchmark">
 <div class="uv-logs-header" onclick="toggleUvLogs(this)">▶ UV Install Logs</div>
 <div class="uv-logs-content" style="display: none;">
-Downloading hf-xet (3.2MiB)
- Downloading hf-xet
-Installed 52 packages in 191ms
+Installed 15 packages in 12ms
 </div>
 </div>
 <div class="cell-stderr">Fetching 4 files:   0%|          | 0/4 [00:00&lt;?, ?it/s]
-Fetching 4 files:  50%|█████     | 2/4 [00:01&lt;00:01,  1.30it/s]
-Fetching 4 files: 100%|██████████| 4/4 [00:01&lt;00:00,  2.60it/s]</div>
+Fetching 4 files:  50%|█████     | 2/4 [00:01&lt;00:01,  1.24it/s]
+Fetching 4 files: 100%|██████████| 4/4 [00:01&lt;00:00,  2.49it/s]</div>
 <div class="cell-artifacts">
 <h4>Artifacts:</h4>
 <a href="artifacts/benchmark/layer_norm.jsonl" class="artifact" target="_blank">layer_norm.jsonl</a>