diff --git a/frontend/src/Find.tsx b/frontend/src/Find.tsx
new file mode 100644
index 0000000..d5c0934
--- /dev/null
+++ b/frontend/src/Find.tsx
@@ -0,0 +1,37 @@
+import { useEffect, useRef } from "react";
+import { componentCount } from "./data";
+
+/** The search field; Slash focuses it, Enter takes the first match. */
+export function Find({ query, onQuery, onEnter, className }: { query: string; onQuery: (q: string) => void; onEnter: () => void; className: string }) {
+  const field = useRef<HTMLInputElement>(null);
+  useEffect(() => {
+    const slash = (e: KeyboardEvent) => {
+      if (e.key !== "/" || e.metaKey || e.ctrlKey || typing(e)) return;
+      e.preventDefault();
+      field.current?.focus();
+    };
+    addEventListener("keydown", slash);
+    return () => removeEventListener("keydown", slash);
+  }, []);
+  return (
+    <input
+      ref={field}
+      className={className}
+      type="search"
+      placeholder={`Search ${componentCount} components`}
+      aria-label="Search components"
+      value={query}
+      onChange={(e) => onQuery(e.target.value)}
+      onKeyDown={(e) => {
+        if (e.key === "Enter") onEnter();
+        if (e.key === "Escape") onQuery("");
+      }}
+    />
+  );
+}
+
+/** Whether a key went to a field, not the page. */
+export function typing(e: KeyboardEvent): boolean {
+  const t = e.target as HTMLElement;
+  return t.isContentEditable || ["INPUT", "TEXTAREA", "SELECT"].includes(t.tagName);
+}
diff --git a/frontend/src/data.ts b/frontend/src/data.ts
index 6e13909..ef41b8e 100644
--- a/frontend/src/data.ts
+++ b/frontend/src/data.ts
@@ -21,6 +21,17 @@ export const componentCount = new Set(chapters.flatMap((c) => c.stories.flatMap(
 /** Every story in reading order, for paging and search. */
 export const all = chapters.flatMap((chapter) => chapter.stories.map((story) => ({ chapter, story })));
 
+/** Chapters by title, else their stories by title or component. */
+export function search(query: string): Chapter[] {
+  const q = query.trim().toLowerCase();
+  if (!q) return chapters;
+  return chapters.flatMap((c) => {
+    if (c.title.toLowerCase().includes(q)) return [c];
+    const stories = c.stories.filter((s) => s.title.toLowerCase().includes(q) || s.components.some((n) => n.toLowerCase().includes(q)));
+    return stories.length ? [{ ...c, stories }] : [];
+  });
+}
+
 export const REPO = "https://github.com/ZacharyZhang-NY/Ely-GPUI-Components";
 
 export const pad = (n: number) => String(n).padStart(2, "0");
diff --git a/frontend/src/pages/Chapters.tsx b/frontend/src/pages/Chapters.tsx
index b594588..44b176d 100644
--- a/frontend/src/pages/Chapters.tsx
+++ b/frontend/src/pages/Chapters.tsx
@@ -1,22 +1,35 @@
-import { Link } from "@tanstack/react-router";
-import { useEffect } from "react";
-import { chapters, pad } from "../data";
+import { Link, useNavigate } from "@tanstack/react-router";
+import { useEffect, useState } from "react";
+import { pad, search } from "../data";
+import { Find } from "../Find";
 
 export function Chapters() {
+  const [query, setQuery] = useState("");
+  const navigate = useNavigate();
+  const found = search(query);
   useEffect(() => {
     document.title = "Components · Ely";
   }, []);
+  const first = () => found[0] && navigate({ to: "/components/$page/$story/", params: { page: found[0].slug, story: found[0].stories[0].slug } });
   return (
     <section className="chapters">
-      <h1>Components</h1>
+      <h1>Components.</h1>
+      <Find className="find" query={query} onQuery={setQuery} onEnter={first} />
+      {found.length === 0 && <p className="none">Nothing matches “{query}”.</p>}
       <ol>
-        {chapters.map((c) => (
+        {found.map((c) => (
           <li key={c.slug}>
-            <Link to="/components/$page/$story/" params={{ page: c.slug, story: c.stories[0].slug }}>
-              <span className="n">{pad(c.number)}</span>
-              <span className="name">{c.title}</span>
-              <span className="count">{c.stories.length}</span>
+            <span className="n">{pad(c.number)}</span>
+            <Link className="name" to="/components/$page/$story/" params={{ page: c.slug, story: c.stories[0].slug }}>
+              {c.title}
             </Link>
+            <span className="titles">
+              {c.stories.map((s) => (
+                <Link key={s.slug} to="/components/$page/$story/" params={{ page: c.slug, story: s.slug }}>
+                  {s.title}
+                </Link>
+              ))}
+            </span>
           </li>
         ))}
       </ol>
diff --git a/frontend/src/pages/Story.tsx b/frontend/src/pages/Story.tsx
index ebe1153..4e35623 100644
--- a/frontend/src/pages/Story.tsx
+++ b/frontend/src/pages/Story.tsx
@@ -1,46 +1,92 @@
-import { Link, useParams } from "@tanstack/react-router";
-import { useEffect } from "react";
+import { Link, useNavigate, useParams } from "@tanstack/react-router";
+import { useEffect, useState } from "react";
 import { Live } from "../Live";
 import { Capture, Windows, isCaptured } from "../Native";
-import { all, chapters } from "../data";
+import { all, chapters, search } from "../data";
+import { Find, typing } from "../Find";
 import { NotFound } from "./NotFound";
 
 export function Story() {
   const { page, story } = useParams({ strict: false });
+  const navigate = useNavigate();
+  const [query, setQuery] = useState("");
   const chapter = chapters.find((c) => c.slug === page);
   const found = chapter?.stories.find((s) => s.slug === story);
+  const at = all.findIndex((e) => e.story === found);
+  const [prev, next] = at < 0 ? [] : [all[at - 1], all[at + 1]];
+
   useEffect(() => {
     if (chapter && found) document.title = `${found.title} · ${chapter.title} · Ely`;
   }, [chapter, found]);
+
+  useEffect(() => {
+    document.querySelector('.side [aria-current="page"]')?.scrollIntoView({ block: "nearest" });
+  }, [page, story]);
+
+  useEffect(() => {
+    const step = (e: KeyboardEvent) => {
+      if (e.metaKey || e.ctrlKey || e.altKey || typing(e)) return;
+      const to = e.key === "ArrowLeft" ? prev : e.key === "ArrowRight" ? next : undefined;
+      if (to) navigate({ to: "/components/$page/$story/", params: { page: to.chapter.slug, story: to.story.slug } });
+    };
+    addEventListener("keydown", step);
+    return () => removeEventListener("keydown", step);
+  }, [prev, next, navigate]);
+
   if (!chapter || !found) return <NotFound what={`No story at ${page}/${story}.`} />;
-  const at = all.findIndex((e) => e.story === found);
-  const [prev, next] = [all[at - 1], all[at + 1]];
+  const shown = search(query);
+  const first = () => shown[0] && navigate({ to: "/components/$page/$story/", params: { page: shown[0].slug, story: shown[0].stories[0].slug } });
   return (
-    <article className="story">
-      <Link to="/components/" className="crumb">
-        {chapter.title}
-      </Link>
-      <h1>{found.title}</h1>
-      {isCaptured(chapter.slug, found.slug) ? (
-        <Capture page={chapter.slug} story={found.slug} title={found.title} />
-      ) : (
-        <>
-          <Live key={`${chapter.slug}/${found.slug}`} page={chapter.slug} story={found.slug} title={found.title} />
-          <Windows page={chapter.slug} story={found.slug} title={found.title} />
-        </>
-      )}
-      <nav className="pager" aria-label="More stories">
-        {prev && (
-          <Link to="/components/$page/$story/" params={{ page: prev.chapter.slug, story: prev.story.slug }}>
-            {prev.story.title}
-          </Link>
+    <div className="reader">
+      <aside className="side" data-lenis-prevent>
+        <Find className="find small" query={query} onQuery={setQuery} onEnter={first} />
+        <nav aria-label="Chapters">
+          {shown.map((c) => (
+            <div key={c.slug}>
+              <Link className="side-chapter" to="/components/$page/$story/" params={{ page: c.slug, story: c.stories[0].slug }} data-on={c.slug === chapter.slug || undefined}>
+                {c.title}
+              </Link>
+              {(query || c.slug === chapter.slug) && (
+                <ol>
+                  {c.stories.map((s) => (
+                    <li key={s.slug}>
+                      <Link to="/components/$page/$story/" params={{ page: c.slug, story: s.slug }} activeProps={{ "aria-current": "page" }}>
+                        {s.title}
+                      </Link>
+                    </li>
+                  ))}
+                </ol>
+              )}
+            </div>
+          ))}
+        </nav>
+      </aside>
+      <article className="story">
+        <Link to="/components/" className="crumb">
+          {chapter.title}
+        </Link>
+        <h1>{found.title}</h1>
+        {isCaptured(chapter.slug, found.slug) ? (
+          <Capture page={chapter.slug} story={found.slug} title={found.title} />
+        ) : (
+          <>
+            <Live key={`${chapter.slug}/${found.slug}`} page={chapter.slug} story={found.slug} title={found.title} />
+            <Windows page={chapter.slug} story={found.slug} title={found.title} />
+          </>
         )}
-        {next && (
-          <Link className="next" to="/components/$page/$story/" params={{ page: next.chapter.slug, story: next.story.slug }}>
-            {next.story.title}
-          </Link>
-        )}
-      </nav>
-    </article>
+        <nav className="pager" aria-label="More stories">
+          {prev && (
+            <Link to="/components/$page/$story/" params={{ page: prev.chapter.slug, story: prev.story.slug }}>
+              ← {prev.story.title}
+            </Link>
+          )}
+          {next && (
+            <Link className="next" to="/components/$page/$story/" params={{ page: next.chapter.slug, story: next.story.slug }}>
+              {next.story.title} →
+            </Link>
+          )}
+        </nav>
+      </article>
+    </div>
   );
 }
diff --git a/frontend/src/styles.css b/frontend/src/styles.css
index 7cc3421..1dbcfd6 100644
--- a/frontend/src/styles.css
+++ b/frontend/src/styles.css
@@ -115,15 +115,29 @@ main > :first-child { animation: enter 480ms ease-out both; }
 @keyframes enter { from { opacity: 0; } }
 
 .chapters { padding: 160px 64px 128px; }
-.chapters h1 { font-size: clamp(40px, 6vw, 96px); letter-spacing: -0.04em; margin-bottom: 96px; }
+.chapters h1 { font-size: clamp(48px, 7vw, 112px); line-height: 0.95; font-weight: 800; letter-spacing: -0.045em; }
+.find { display: block; width: 100%; margin: 56px 0 72px; padding: 12px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; color: var(--fg); font: 300 24px/32px var(--sans); outline: none; transition: border-color 160ms ease-out; }
+.find::placeholder { color: var(--faint); }
+.find:focus-visible { border-color: var(--accent); }
+.find.small { margin: 0 0 24px; font-size: 15px; line-height: 24px; padding: 8px 0; }
+.none { font-size: 18px; }
 .chapters ol { list-style: none; margin: 0; padding: 0; }
-.chapters a { display: grid; grid-template-columns: 64px 1fr auto; align-items: baseline; padding: 20px 0; border-top: 1px solid var(--line); }
-.chapters .n, .chapters .count { font: 400 13px/20px var(--mono); color: var(--faint); }
+.chapters li { display: grid; grid-template-columns: 64px minmax(160px, 1fr) 2fr; gap: 0 24px; align-items: baseline; padding: 22px 0; border-top: 1px solid var(--line); }
+.chapters .n { font: 400 13px/20px var(--mono); color: var(--faint); }
 .chapters .name { font-size: 28px; line-height: 36px; font-weight: 700; letter-spacing: -0.02em; }
+.chapters .titles { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 14px; line-height: 22px; min-width: 0; }
+.titles a, .side a { color: var(--muted); transition: color 160ms ease-out; overflow-wrap: anywhere; }
+.titles a:hover, .side a:hover, .side a[aria-current="page"], .side-chapter[data-on] { color: var(--fg); }
 
-.story { padding: 128px 64px 96px; }
+.reader { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 64px; padding: 0 64px; }
+.side { position: sticky; top: 64px; height: calc(100vh - 64px); overflow-y: auto; padding: 64px 8px 64px 0; overscroll-behavior: contain; }
+.side nav > div { margin-bottom: 4px; }
+.side-chapter { display: block; padding: 4px 0; font-size: 15px; font-weight: 500; }
+.side ol { list-style: none; margin: 4px 0 12px; padding: 0 0 0 14px; border-left: 1px solid var(--line); font-size: 13px; line-height: 20px; }
+.side li { padding: 4px 0; }
+.story { padding: 128px 0 96px; min-width: 0; }
 .crumb { font-size: 14px; color: var(--muted); }
-.story h1 { font-size: clamp(32px, 4vw, 56px); line-height: 1.05; letter-spacing: -0.035em; margin: 12px 0 64px; max-width: 18ch; }
+.story h1 { font-size: clamp(28px, 3vw, 44px); line-height: 1.05; letter-spacing: -0.035em; font-weight: 800; margin: 12px 0 64px; overflow-wrap: anywhere; }
 
 .live { position: relative; height: 72vh; min-height: 520px; background: var(--bg); }
 .live iframe { display: block; width: 100%; height: 100%; border: 0; background: var(--bg); }
@@ -142,8 +156,8 @@ img.shot { display: block; max-width: 100%; height: auto; }
 .windows { margin-top: 96px; }
 .shots { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 32px; }
 
-.pager { display: flex; justify-content: space-between; gap: 24px; margin-top: 96px; font-size: 18px; font-weight: 600; }
-.pager a { color: var(--muted); transition: color 160ms ease-out; }
+.pager { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; margin-top: 96px; font-size: 18px; font-weight: 600; }
+.pager a { max-width: 100%; color: var(--muted); overflow-wrap: anywhere; transition: color 160ms ease-out; }
 .pager a:hover { color: var(--fg); }
 .pager .next { margin-left: auto; text-align: right; }
 
@@ -156,13 +170,17 @@ img.shot { display: block; max-width: 100%; height: auto; }
 @media (max-width: 767px) {
   .bar { padding: 0 16px; gap: 12px; }
   .bar .end { gap: 0; }
-  .hero, .chapters, .story, .missing { padding-left: 20px; padding-right: 20px; }
+  .hero, .chapters, .missing { padding-left: 20px; padding-right: 20px; }
+  .reader { grid-template-columns: minmax(0, 1fr); padding: 0 20px; }
+  .side { display: none; }
+  .chapters li { grid-template-columns: 40px minmax(0, 1fr); }
+  .chapters .titles { grid-column: 2; margin-top: 8px; }
   .foot { padding: 32px 20px; }
   .chapters .name { font-size: 22px; }
   .hero-iso { width: 100%; height: 55%; }
   .hero > :not(.iso) { max-width: none; }
   .city { height: auto; }
-  .hero h1 { font-size: 13vw; }
+  .hero h1, .chapters h1 { font-size: 13vw; }
   .feature h2, .city h2, .close h2 { font-size: 10vw; }
   .feature, .feature:nth-of-type(odd), .city { grid-template-columns: 1fr; grid-template-rows: none; gap: 32px; padding: 112px 20px 48px; }
   .feature-words, .feature-iso, .feature-live, .feature:nth-of-type(odd) .feature-words, .feature:nth-of-type(odd) .feature-iso, .feature:nth-of-type(odd) .feature-live, .city h2 { grid-area: auto; }