add vlsi and embedded systems docs

app/components/subjects.tsx

@@ -125,7 +125,7 @@ const subjectCodes: Record<string, string> = {
 };
 
 // Available subjects
-const available = ["ep", "c", "em1", "em2", "oops", "dsc", "coa", "os", "ml", "dops", "cd", "cle","ec"];
+const available = ["ep", "c", "em1", "em2", "oops", "dsc", "coa", "os", "ml", "dops", "cd", "cle", "ec", "vlsi"];
 
 export default function SubjectsSection() {
   return (

app/sem7/vlsi/[chapter]/page.tsx

@@ -0,0 +1,144 @@
+import Link from "next/link";
+import { Metadata } from "next";
+import { Righteous } from "next/font/google";
+import { ArrowBigLeft, ArrowBigRight } from "lucide-react";
+import BookmarkButton from "../../../components/BookmarkButton";
+import { chapters } from "../constants";
+import { Ch0Content } from "../content/chapter0";
+import { Ch1Content } from "../content/chapter1";
+import { Ch2Content } from "../content/chapter2";
+import { Ch3Content } from "../content/chapter3";
+import { Ch4Content } from "../content/chapter4";
+import { Ch5Content } from "../content/chapter5";
+import { Ch6Content } from "../content/chapter6";
+import { Ch7Content } from "../content/chapter7";
+import { Ch8Content } from "../content/chapter8";
+import { Ch9Content } from "../content/chapter9";
+
+const righteous = Righteous({
+  subsets: ["latin"],
+  weight: "400",
+  variable: "--font-righteous",
+});
+
+const chapterComponents: Record<string, React.ComponentType> = {
+  ch0: Ch0Content,
+  ch1: Ch1Content,
+  ch2: Ch2Content,
+  ch3: Ch3Content,
+  ch4: Ch4Content,
+  ch5: Ch5Content,
+  ch6: Ch6Content,
+  ch7: Ch7Content,
+  ch8: Ch8Content,
+  ch9: Ch9Content,
+};
+
+type ChapterProps = {
+  params: Promise<{ chapter: string }>;
+};
+
+export async function generateMetadata({ params }: ChapterProps): Promise<Metadata> {
+  const { chapter: chapterId } = await params;
+  const chapterData = chapters.find((chapter) => chapter.id === chapterId);
+
+  return {
+    title: chapterData
+      ? `${chapterData.title} | VLSI and Embedded Systems | openCSE`
+      : "VLSI and Embedded Systems | openCSE",
+  };
+}
+
+export default async function ChapterPage({ params }: ChapterProps) {
+  const { chapter: chapterId } = await params;
+  const chapterData = chapters.find((chapter) => chapter.id === chapterId);
+
+  if (!chapterData) {
+    return (
+      <div className="flex flex-col items-center justify-center min-h-[50vh] text-[#e2d1c1]">
+        <h1 className="text-2xl font-bold mb-4">Chapter not found</h1>
+        <Link
+          href="/sem7/vlsi/ch0"
+          className="px-4 py-2 bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition font-bold"
+        >
+          Return to Course Outline
+        </Link>
+      </div>
+    );
+  }
+
+  const ChapterComponent = chapterComponents[chapterData.id];
+  const currentIndex = chapters.findIndex((chapter) => chapter.id === chapterId);
+  const prevChapter = currentIndex > 0 ? chapters[currentIndex - 1] : null;
+  const nextChapter = currentIndex < chapters.length - 1 ? chapters[currentIndex + 1] : null;
+
+  return (
+    <div className="flex flex-col bg-[#1B0D00] min-h-full p-2 pt-6 text-[#e2d1c1]">
+      <div className="flex-1">
+        <h1 className={`text-4xl font-bold ${righteous.className} mb-2`}>
+          VLSI and Embedded Systems
+        </h1>
+
+        <div className="flex items-center justify-between gap-4">
+          <p className={`text-2xl mt-[-8px] ${righteous.className}`}>{chapterData.title}</p>
+          <BookmarkButton title={`VLSI: ${chapterData.title}`} />
+        </div>
+
+        <div className="flex justify-between mt-3">
+          {prevChapter ? (
+            <Link
+              href={`/sem7/vlsi/${prevChapter.id}`}
+              className="px-4 py-1 text-2xl flex items-center justify-center bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+              style={{ fontFamily: "Rockwell, Serif, serif" }}
+            >
+              <ArrowBigLeft className="inline-block mr-1" /> Previous
+            </Link>
+          ) : (
+            <div />
+          )}
+
+          {nextChapter ? (
+            <Link
+              href={`/sem7/vlsi/${nextChapter.id}`}
+              className="px-4 py-1 text-2xl flex items-center justify-center bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+              style={{ fontFamily: "Rockwell, Serif, serif" }}
+            >
+              Next <ArrowBigRight className="inline-block ml-1" />
+            </Link>
+          ) : (
+            <div />
+          )}
+        </div>
+
+        <hr className="my-6 border-t-3" />
+        <ChapterComponent />
+      </div>
+
+      <div className="flex justify-between my-8">
+        {prevChapter ? (
+          <Link
+            href={`/sem7/vlsi/${prevChapter.id}`}
+            className="px-4 py-2 bg-[#e2d1c1] text-xl flex items-center justify-center text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            <ArrowBigLeft className="inline-block mr-1" /> {prevChapter.title}
+          </Link>
+        ) : (
+          <div />
+        )}
+
+        {nextChapter ? (
+          <Link
+            href={`/sem7/vlsi/${nextChapter.id}`}
+            className="px-4 py-2 bg-[#e2d1c1] text-xl flex items-center justify-center text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            {nextChapter.title} <ArrowBigRight className="inline-block ml-1" />
+          </Link>
+        ) : (
+          <div />
+        )}
+      </div>
+    </div>
+  );
+}

app/sem7/vlsi/components/sidebar.tsx

@@ -0,0 +1,95 @@
+"use client";
+
+import { Righteous } from "next/font/google";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { useEffect, useState } from "react";
+import { chapters } from "../constants";
+
+const righteous = Righteous({
+  subsets: ["latin"],
+  weight: "400",
+  variable: "--font-righteous",
+});
+
+export default function Sidebar() {
+  const pathname = usePathname();
+  const [open, setOpen] = useState(false);
+
+  useEffect(() => {
+    if (window.innerWidth >= 768) {
+      setOpen(true);
+    }
+  }, []);
+
+  return (
+    <>
+      <div
+        className={`fixed inset-0 md:hidden bg-black/50 z-30 transition-opacity duration-300 ${
+          open ? "opacity-100" : "opacity-0 pointer-events-none"
+        }`}
+        onClick={() => setOpen(false)}
+      />
+
+      <div className="flex sticky top-14 z-40 h-[calc(100vh-3.5rem)] w-[50px] md:w-auto pointer-events-none md:pointer-events-auto">
+        <aside
+          className={`h-full shrink-0 bg-[#fae8d7] text-[#1B0D00] p-0 flex flex-col transition-all duration-300 pointer-events-auto ${
+            open ? "w-64 border-r-2 md:border-r-0" : "w-0 overflow-hidden"
+          }`}
+        >
+          <h2
+            className="flex items-center text-2xl font-normal pt-3 pl-3 mb-2 bg-[#cebb9c] text-[#1B0D00] pb-2 border-b-4 border-[#1B0D00]"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            Chapters
+          </h2>
+
+          <ul className="flex-1 overflow-y-auto no-scrollbar space-y-0">
+            {chapters.map((chapter) => {
+              const active = pathname === `/sem7/vlsi/${chapter.id}`;
+              return (
+                <li key={chapter.id}>
+                  <Link
+                    href={`/sem7/vlsi/${chapter.id}`}
+                    className={`block px-3 py-2 text-xl transition ${
+                      active ? "bg-[#fccc7e]" : "hover:bg-[#ffdda7af]"
+                    } ${righteous.className}`}
+                  >
+                    {chapter.title}
+                  </Link>
+                </li>
+              );
+            })}
+          </ul>
+        </aside>
+
+        <button
+          onClick={() => setOpen(!open)}
+          className="toggle-sidebar shrink-0 pointer-events-auto bg-[#ffdda7] h-full w-[50px] text-[#1B0D00] text-center font-semibold text-2xl border-l-4 rounded-r-2xl border-[#1B0D00] flex items-center justify-center transition-all duration-300 md:shadow-none"
+          style={{
+            fontFamily: "Rockwell, Serif, serif",
+            boxShadow: open ? "4px 0 15px rgba(0,0,0,0.1)" : "none",
+          }}
+        >
+          <p className="leading-5">
+            C
+            <br />
+            H
+            <br />
+            A
+            <br />
+            P
+            <br />
+            T
+            <br />
+            E
+            <br />
+            R
+            <br />
+            S
+          </p>
+        </button>
+      </div>
+    </>
+  );
+}

app/sem7/vlsi/constants.ts

@@ -0,0 +1,17 @@
+export type Chapter = {
+  id: string;
+  title: string;
+};
+
+export const chapters: Chapter[] = [
+  { id: "ch0", title: "Course Outline" },
+  { id: "ch1", title: "Introduction to VLSI" },
+  { id: "ch2", title: "CMOS Technology" },
+  { id: "ch3", title: "Digital IC Design" },
+  { id: "ch4", title: "FPGA Basics" },
+  { id: "ch5", title: "Embedded Systems Fundamentals" },
+  { id: "ch6", title: "Microcontrollers and Processors" },
+  { id: "ch7", title: "Arduino and Raspberry Pi Basics" },
+  { id: "ch8", title: "Real-time Systems" },
+  { id: "ch9", title: "Mini Projects and Resource Hub" },
+];