diff --git a/packages/codemirror/autocomplete.mjs b/packages/codemirror/autocomplete.mjs
index 203ab8556..d3091d874 100644
--- a/packages/codemirror/autocomplete.mjs
+++ b/packages/codemirror/autocomplete.mjs
@@ -1,68 +1,91 @@
 import jsdoc from '../../doc.json';
-// import { javascriptLanguage } from '@codemirror/lang-javascript';
 import { autocompletion } from '@codemirror/autocomplete';
 import { h } from './html';
 
-function plaintext(str) {
+const escapeHtml = (str) => {
   const div = document.createElement('div');
   div.innerText = str;
   return div.innerHTML;
-}
+};
 
-const getDocLabel = (doc) => doc.name || doc.longname;
-const getInnerText = (html) => {
-  var div = document.createElement('div');
+const stripHtml = (html) => {
+  const div = document.createElement('div');
   div.innerHTML = html;
   return div.textContent || div.innerText || '';
 };
 
-export function Autocomplete({ doc, label }) {
-  return h`<div class="prose dark:prose-invert max-h-[400px] overflow-auto p-2">
-<h1 class="pt-0 mt-0">${label || getDocLabel(doc)}</h1>
-${doc.description}
-<ul>
-  ${doc.params?.map(
-    ({ name, type, description }) =>
-      `<li>${name} : ${type.names?.join(' | ')} ${description ? ` - ${getInnerText(description)}` : ''}</li>`,
-  )}
-</ul>
-<div>
-  ${doc.examples?.map((example) => `<div><pre>${plaintext(example)}</pre></div>`)}
-</div>
-</div>`[0];
-  /*
-<pre
-className="cursor-pointer"
-onMouseDown={(e) => {
-  console.log('ola!');
-  navigator.clipboard.writeText(example);
-  e.stopPropagation();
-}}
->
-{example}
-</pre>
-*/
-}
+const getDocLabel = (doc) => doc.name || doc.longname;
+
+const buildParamsList = (params) =>
+  params?.length
+    ? `
+    <div class="autocomplete-info-params-section">
+      <h4 class="autocomplete-info-section-title">Parameters</h4>
+      <ul class="autocomplete-info-params-list">
+        ${params
+          .map(
+            ({ name, type, description }) => `
+          <li class="autocomplete-info-param-item">
+            <span class="autocomplete-info-param-name">${name}</span>
+            <span class="autocomplete-info-param-type">${type.names?.join(' | ')}</span>
+            ${description ? `<div class="autocomplete-info-param-desc">${stripHtml(description)}</div>` : ''}
+          </li>
+        `,
+          )
+          .join('')}
+      </ul>
+    </div>
+  `
+    : '';
+
+const buildExamples = (examples) =>
+  examples?.length
+    ? `
+    <div class="autocomplete-info-examples-section">
+      <h4 class="autocomplete-info-section-title">Examples</h4>
+      ${examples
+        .map(
+          (example) => `
+        <pre class="autocomplete-info-example-code">${escapeHtml(example)}</pre>
+      `,
+        )
+        .join('')}
+    </div>
+  `
+    : '';
+
+export const Autocomplete = ({ doc, label }) =>
+  h`
+  <div class="autocomplete-info-tooltip">
+    <h3 class="autocomplete-info-function-name">${label || getDocLabel(doc)}</h3>
+    ${doc.description ? `<p class="autocomplete-info-function-description">${doc.description}</p>` : ''}
+    ${buildParamsList(doc.params)}
+    ${buildExamples(doc.examples)}
+  </div>
+`[0];
+
+const isValidDoc = (doc) => {
+  const label = getDocLabel(doc);
+  return label && !label.startsWith('_') && !['package'].includes(doc.kind);
+};
+
+const hasExcludedTags = (doc) =>
+  ['superdirtOnly', 'noAutocomplete'].some((tag) => doc.tags?.find((t) => t.originalTitle === tag));
 
 const jsdocCompletions = jsdoc.docs
-  .filter(
-    (doc) =>
-      getDocLabel(doc) &&
-      !getDocLabel(doc).startsWith('_') &&
-      !['package'].includes(doc.kind) &&
-      !['superdirtOnly', 'noAutocomplete'].some((tag) => doc.tags?.find((t) => t.originalTitle === tag)),
-  )
-  // https://codemirror.net/docs/ref/#autocomplete.Completion
-  .map((doc) /*: Completion */ => ({
+  .filter((doc) => isValidDoc(doc) && !hasExcludedTags(doc))
+   // https://codemirror.net/docs/ref/#autocomplete.Completion
+  .map((doc) => ({
     label: getDocLabel(doc),
     // detail: 'xxx', // An optional short piece of information to show (with a different style) after the label.
     info: () => Autocomplete({ doc }),
     type: 'function', // https://codemirror.net/docs/ref/#autocomplete.Completion.type
   }));
 
-export const strudelAutocomplete = (context /* : CompletionContext */) => {
-  let word = context.matchBefore(/\w*/);
-  if (word.from == word.to && !context.explicit) return null;
+export const strudelAutocomplete = (context) => {
+  const word = context.matchBefore(/\w*/);
+  if (word.from === word.to && !context.explicit) return null;
+
   return {
     from: word.from,
     options: jsdocCompletions,
@@ -74,11 +97,5 @@ export const strudelAutocomplete = (context /* : CompletionContext */) => {
   };
 };
 
-export function isAutoCompletionEnabled(on) {
-  return on
-    ? [
-        autocompletion({ override: [strudelAutocomplete] }),
-        //javascriptLanguage.data.of({ autocomplete: strudelAutocomplete }),
-      ]
-    : []; // autocompletion({ override: [] })
-}
+export const isAutoCompletionEnabled = (enabled) =>
+  enabled ? [autocompletion({ override: [strudelAutocomplete] })] : [];
diff --git a/website/src/repl/Repl.css b/website/src/repl/Repl.css
index 3e13ff5a2..62e7dcf24 100644
--- a/website/src/repl/Repl.css
+++ b/website/src/repl/Repl.css
@@ -69,3 +69,134 @@
   text-decoration: underline 0.18rem;
   text-underline-offset: 0.22rem;
 }
+
+/* Override default styles from the codemirror inline css for autocomplete info tooltip*/
+.cm-tooltip.cm-completionInfo {
+  padding: 12px !important;
+  padding-bottom: 12px !important;
+  border: 1px solid var(--foreground) !important;
+  border-radius: 4px !important;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
+  max-width: 500px !important;
+  min-width: 300px !important;
+  max-height: 400px !important;
+  white-space: normal !important;
+  overflow: auto !important;
+  background-color: var(--lineHighlight) !important;
+}
+
+/* Main tooltip container */
+.autocomplete-info-tooltip {
+  border-radius: 4px !important;
+  color: var(--foreground);
+  font-family: var(--font-family, 'SF Mono', 'Monaco', monospace);
+  font-size: var(--font-size, 13px);
+  line-height: 1.4;
+  max-width: 600px;
+  max-height: 400px;
+  min-width: 400px;
+}
+
+.autocomplete-info-function-name {
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--foreground);
+  margin: 0 0 8px 0;
+}
+
+.autocomplete-info-function-description {
+  margin: 0 0 12px 0;
+  color: var(--foreground);
+  line-height: 1.5;
+  opacity: 0.8;
+}
+
+.autocomplete-info-section-title {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--foreground);
+  margin: 16px 0 6px 0;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.autocomplete-info-section-title:first-child {
+  margin-top: 0;
+}
+
+.autocomplete-info-params-section {
+  margin-top: 12px;
+}
+
+.autocomplete-info-params-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.autocomplete-info-param-item {
+  margin-bottom: 8px;
+  padding: 8px;
+  background-color: var(--lineBackground);
+  border-radius: 3px;
+  border-left: 2px solid var(--foreground, #555);
+}
+
+.autocomplete-info-param-item:last-child {
+  margin-bottom: 0;
+}
+
+.autocomplete-info-param-name {
+  font-weight: 600;
+  color: var(--variable, var(--foreground));
+  margin-right: 8px;
+}
+
+.autocomplete-info-param-type {
+  color: var(--comment);
+  font-size: 12px;
+  background-color: var(--gutterForeground);
+  padding: 1px 4px;
+  border-radius: 2px;
+}
+
+.autocomplete-info-param-desc {
+  color: var(--foreground);
+  font-size: 10px;
+  margin-top: 4px;
+  line-height: 1.4;
+  opacity: 0.7;
+}
+
+.autocomplete-info-examples-section {
+  margin-top: 12px;
+}
+
+.autocomplete-info-example-code {
+  background: var(--lineBackground);
+  color: var(--foreground);
+  padding: 8px;
+  border-radius: 3px;
+  font-family: var(--font-family, 'SF Mono', 'Monaco', monospace);
+  font-size: 12px;
+  line-height: 1.5;
+  margin: 4px 0;
+  overflow-x: auto;
+  white-space: pre;
+  border: 1px solid var(--foreground, #3a3a3a);
+}
+
+.autocomplete-info-tooltip::-webkit-scrollbar {
+  width: 4px;
+}
+
+.autocomplete-info-tooltip::-webkit-scrollbar-track {
+}
+
+.autocomplete-info-tooltip::-webkit-scrollbar-thumb {
+  border-radius: 2px;
+}
+
+.autocomplete-info-tooltip::-webkit-scrollbar-thumb:hover {
+
+}