chore(release): bump version to v26.03.21.f [skip ci]

- Add new webp logo and favicon assets
- Replace svg logo references with webp across layouts and pages
- Add favicon.ico and favicon.webp for browser compatibility
- Update BaseLayout to include favicon link

Signed-off-by: Alexander Lyall <alex@adcm.uk>

.gitea/workflows/release.yaml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Stop if this is the bot changelog commit
+      - name: Stop if this is the bot changelog/version commit
         shell: bash
         run: |
           set -e
@@ -36,82 +36,11 @@ jobs:
           sudo install /tmp/git-cliff-*/git-cliff /usr/local/bin/git-cliff
           git-cliff --version
 
-      - name: Generate CHANGELOG.md (Keep a Changelog)
-        shell: bash
-        run: |
-          set -e
-          git-cliff --config cliff.toml --output CHANGELOG.md
-          test -s CHANGELOG.md
-
-      - name: Commit and push CHANGELOG.md if changed (CHANGELOG_PAT)
-        shell: bash
-        env:
-          CHANGELOG_PAT: ${{ secrets.CHANGELOG_PAT }}
-        run: |
-          set -e
-
-          if git diff --quiet -- CHANGELOG.md; then
-            echo "No changelog changes."
-          else
-            git config user.name "changelog-bot"
-            git config user.email "changelog-bot@users.noreply.local"
-
-            git add CHANGELOG.md
-            git commit -m "docs(changelog): update changelog [skip ci]"
-
-            origin_url="$(git remote get-url origin)"
-
-            # Convert SSH origin to HTTPS if needed
-            if echo "$origin_url" | grep -q "^git@"; then
-              host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
-              path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
-              origin_url="https://$host/$path"
-            fi
-
-            authed_url="$(echo "$origin_url" | sed -E "s#^https://#https://oauth2:${CHANGELOG_PAT}@#")"
-            git push "$authed_url" HEAD:main
-          fi
-
-      - name: Extract newest changelog section for release body
-        shell: bash
-        run: |
-          set -e
-          # Extract the first "## ..." section (newest section) from CHANGELOG.md
-          # Includes the "## ..." heading and everything until the next "## ..." heading.
-          awk '
-            /^## / { if (seen) exit; seen=1 }
-            seen { print }
-          ' CHANGELOG.md > RELEASE_NOTES.md
-
-          # Clean trailing whitespace/newlines a bit
-          sed -i 's/[[:space:]]*$//' RELEASE_NOTES.md
-
-          test -s RELEASE_NOTES.md
-          echo "---- RELEASE_NOTES.md ----"
-          head -n 60 RELEASE_NOTES.md
-          echo "--------------------------"
-
-      - name: Create export zip (Computing:Box Website.zip)
-        shell: bash
-        run: |
-          set -e
-          if [ ! -d "dist" ]; then
-            echo "❌ dist/ folder not found in repo root"
-            ls -la
-            exit 1
-          fi
-
-          rm -f "Computing:Box Website.zip"
-          (cd dist && zip -r "../Computing:Box Website.zip" .)
-          test -s "Computing:Box Website.zip"
-          ls -lh "Computing:Box Website.zip"
-
       - name: Prepare YY.MM.DD letter-suffix tag + release name
         shell: bash
         run: |
           set -e
 
-          # Version: YY.MM.DD (UTC). Swap to `date +...` if you prefer UK-local runner time.
           VERSION="$(date -u +'%y.%m.%d')"
           PREFIX="v${VERSION}."
 
@@ -135,12 +64,216 @@ jobs:
           TAG="${PREFIX}${next_letter}"
           RELEASE_NAME="Computing:Box v${VERSION}.${next_letter}"
 
+          origin_url="$(git remote get-url origin)"
+
+          if echo "$origin_url" | grep -q "^git@"; then
+            host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
+            path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
+            origin_url="https://$host/$path"
+          fi
+
+          base="$(echo "$origin_url" | sed -E 's#(https?://[^/]+)/.*#\1#')"
+          repo_path="$(echo "$origin_url" | sed -E 's#https?://[^/]+/##')"
+          repo_path="$(echo "$repo_path" | sed -E 's/\.git$//')"
+
+          RELEASE_URL="${base}/${repo_path}/releases/tag/${TAG}"
+
           echo "TAG=$TAG" >> "$GITHUB_ENV"
           echo "RELEASE_NAME=$RELEASE_NAME" >> "$GITHUB_ENV"
           echo "ZIP_PATH=Computing:Box Website.zip" >> "$GITHUB_ENV"
+          echo "RELEASE_URL=$RELEASE_URL" >> "$GITHUB_ENV"
 
           echo "Using tag: $TAG"
           echo "Release name: $RELEASE_NAME"
+          echo "Release URL: $RELEASE_URL"
+
+      - name: Find previous release tag
+        shell: bash
+        run: |
+          set -e
+
+          PREV_TAG="$(
+            git tag --list 'v*' \
+              | grep -E '^v[0-9]{2}\.[0-9]{2}\.[0-9]{2}[a-z]$' \
+              | grep -Fxv "$TAG" \
+              | sort -V \
+              | tail -n 1 \
+              || true
+          )"
+
+          if [ -n "$PREV_TAG" ]; then
+            echo "PREV_TAG=$PREV_TAG" >> "$GITHUB_ENV"
+            echo "Previous release tag: $PREV_TAG"
+          else
+            echo "PREV_TAG=" >> "$GITHUB_ENV"
+            echo "No previous release tag found."
+          fi
+
+      - name: Generate CHANGELOG.md from previous release to HEAD
+        shell: bash
+        run: |
+          set -e
+
+          if [ -n "${PREV_TAG}" ]; then
+            echo "Generating changelog from ${PREV_TAG}..HEAD"
+            git-cliff --config cliff.toml "${PREV_TAG}..HEAD" --output CHANGELOG.md
+          else
+            echo "Generating changelog from full history"
+            git-cliff --config cliff.toml --output CHANGELOG.md
+          fi
+
+          test -s CHANGELOG.md
+          echo "---- CHANGELOG.md ----"
+          head -n 120 CHANGELOG.md
+          echo "----------------------"
+
+      - name: Commit and push CHANGELOG.md if changed (CHANGELOG_PAT)
+        shell: bash
+        env:
+          CHANGELOG_PAT: ${{ secrets.CHANGELOG_PAT }}
+        run: |
+          set -e
+
+          if git diff --quiet -- CHANGELOG.md; then
+            echo "No changelog changes."
+          else
+            git config user.name "changelog-bot"
+            git config user.email "changelog-bot@users.noreply.local"
+
+            git add CHANGELOG.md
+            git commit -m "docs(changelog): update changelog [skip ci]"
+
+            origin_url="$(git remote get-url origin)"
+
+            if echo "$origin_url" | grep -q "^git@"; then
+              host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
+              path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
+              origin_url="https://$host/$path"
+            fi
+
+            authed_url="$(echo "$origin_url" | sed -E "s#^https://#https://oauth2:${CHANGELOG_PAT}@#")"
+            git push "$authed_url" HEAD:main
+          fi
+
+      - name: Prepare release notes
+        shell: bash
+        run: |
+          set -e
+          cp CHANGELOG.md RELEASE_NOTES.md
+          test -s RELEASE_NOTES.md
+          echo "---- RELEASE_NOTES.md ----"
+          head -n 120 RELEASE_NOTES.md
+          echo "--------------------------"
+
+      - name: Derive semver package version from tag
+        shell: bash
+        run: |
+          set -e
+
+          PACKAGE_VERSION="$(echo "$TAG" | sed -E 's/^v([0-9]{2})\.0?([0-9]{1,2})\.0?([0-9]{1,2})([a-z])$/\1.\2.\3-\4/')"
+
+          if [ -z "$PACKAGE_VERSION" ]; then
+            echo "❌ Failed to derive PACKAGE_VERSION from TAG=$TAG"
+            exit 1
+          fi
+
+          echo "PACKAGE_VERSION=$PACKAGE_VERSION" >> "$GITHUB_ENV"
+          echo "Using package version: $PACKAGE_VERSION"
+
+      - name: Generate version file for Astro footer
+        shell: bash
+        run: |
+          set -e
+          mkdir -p src/generated
+          cat > src/generated/version.json <<EOF
+          {
+            "version": "${TAG}",
+            "url": "${RELEASE_URL}"
+          }
+          EOF
+
+          echo "Generated src/generated/version.json"
+          cat src/generated/version.json
+
+      - name: Set up Node
+        uses: actions/setup-node@v6
+        with:
+          node-version: 25
+          cache: npm
+
+      - name: Check Node version
+        shell: bash
+        run: |
+          node -v
+          npm -v
+
+      - name: Install dependencies
+        shell: bash
+        run: |
+          set -e
+          npm ci
+
+      - name: Update package.json and package-lock.json version
+        shell: bash
+        run: |
+          set -e
+          npm version "$PACKAGE_VERSION" --no-git-tag-version
+
+          echo "package.json version:"
+          node -p "require('./package.json').version"
+
+          echo "package-lock.json version:"
+          node -p "require('./package-lock.json').version"
+
+      - name: Commit and push version bump (CHANGELOG_PAT)
+        shell: bash
+        env:
+          CHANGELOG_PAT: ${{ secrets.CHANGELOG_PAT }}
+        run: |
+          set -e
+
+          if git diff --quiet -- package.json package-lock.json; then
+            echo "No version changes to commit."
+          else
+            git config user.name "release-bot"
+            git config user.email "release-bot@users.noreply.local"
+
+            git add package.json package-lock.json
+            git commit -m "chore(release): bump version to ${PACKAGE_VERSION} [skip ci]"
+
+            origin_url="$(git remote get-url origin)"
+
+            if echo "$origin_url" | grep -q "^git@"; then
+              host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
+              path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
+              origin_url="https://$host/$path"
+            fi
+
+            authed_url="$(echo "$origin_url" | sed -E "s#^https://#https://oauth2:${CHANGELOG_PAT}@#")"
+            git push "$authed_url" HEAD:main
+          fi
+
+      - name: Build Astro site
+        shell: bash
+        run: |
+          set -e
+          npm run build
+          test -d dist
+
+      - name: Create export zip (Computing:Box Website.zip)
+        shell: bash
+        run: |
+          set -e
+          if [ ! -d "dist" ]; then
+            echo "❌ dist/ folder not found in repo root"
+            ls -la
+            exit 1
+          fi
+
+          rm -f "Computing:Box Website.zip"
+          (cd dist && zip -r "../Computing:Box Website.zip" .)
+          test -s "Computing:Box Website.zip"
+          ls -lh "Computing:Box Website.zip"
 
       - name: Create and push tag (CHANGELOG_PAT)
         shell: bash
@@ -153,7 +286,6 @@ jobs:
 
           origin_url="$(git remote get-url origin)"
 
-          # Convert SSH origin to HTTPS if needed
           if echo "$origin_url" | grep -q "^git@"; then
             host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
             path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
@@ -198,7 +330,7 @@ jobs:
               "tag_name": tag,
               "target_commitish": "main",
               "name": name,
-              "body": body,   # newest section only
+              "body": body,
               "draft": False,
               "prerelease": False,
           }

README.md

@@ -28,18 +28,19 @@ An evolution of Bit:Box & CS:Box to incorporate different elements of the UK Com
 - [X] XNOR Gate Simulator
 
 ### Wave 3 CS:Box Features (Spring 2026)
-- [ ] New User Interface (Responsive)
+- [X] New User Interface (Responsive)
 - [X] Two's Compliment Simulator
 - [X] Extended Binary Simulator (Custom bit sizes)
 - [X] Unified Binary Simulator (Unsigned & Two's Completment combined)
-- [ ] Extended Hexadecimal Simulator
-- [ ] Unified Hexadecimal Simulator (For GCSE & A Level Specification)
-- [ ] Enhanced Gate Simulator (Truth Table Creator)
-- [ ] Compound Gate Simulator
-- [ ] Computer Components Simulator
+- [X] Extended Hexadecimal Simulator
+- [X] Unified Hexadecimal Simulator (For GCSE & A Level Specification)
+- [X] Enhanced Gate Simulator (Truth Table Creator)
+- [X] Compound Gate Simulator
+- [X] Computer Components Simulator - Beta Available
 
 ## Version 1.0 Release Date: 1<sup>st</sup> September 2025
-## Version 2.0 Release Date (Goal): 1<sup>st</sup> May 2026
+## Version 2.0 Release Date (Beta): 1<sup>st</sup> March 2026
+## Version 2.0 Release Date (Full Release): 1<sup>st</sup> May 2026
 
 Shield: [![CC BY-NC-SA 4.0][cc-by-nc-sa-shield]][cc-by-nc-sa]
 

cliff.toml

@@ -0,0 +1,35 @@
+[changelog]
+header = """
+# Changelog
+"""
+
+body = """
+{% for group, commits in commits | group_by(attribute="group") %}
+## {{ group }}
+{% for commit in commits %}
+- {{ commit.message | upper_first }}
+{% endfor %}
+{% endfor %}
+"""
+
+footer = ""
+
+[git]
+conventional_commits = false
+filter_unconventional = false
+split_commits = false
+topo_order = true
+
+# IMPORTANT: match your tag format
+tag_pattern = "^v[0-9]{2}\\.[0-9]{2}\\.[0-9]{2}[a-z]$"
+
+commit_parsers = [
+  { message = "^feat", group = "🚀 Features" },
+  { message = "^fix", group = "🐛 Fixes" },
+  { message = "^refactor", group = "♻️ Refactoring" },
+  { message = "^docs", group = "📚 Documentation" },
+  { message = "^chore", group = "💼 Other" },
+
+  # catch-all so NOTHING is dropped
+  { message = ".*", group = "💼 Other" },
+]

dist/binary/index.html

@@ -1,3 +1,19 @@
-<!DOCTYPE html><html lang="en"> <head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Binary Simulator | Computing:Box</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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/_astro/binary.BbxrcYRT.css"></head> <body> <header class="siteNav"> <div class="navInner"> <a class="brand" href="/"> <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo"> <span class="brandName">COMPUTING:BOX</span> </a> <nav class="navLinks" aria-label="Site navigation"> <a href="/about">ABOUT</a> <a href="/binary">BINARY</a> <a href="/hexadecimal">HEXADECIMAL</a> <a href="/hex-colours">HEX COLOURS</a> <a href="/logic-gates">LOGIC GATES</a> </nav> </div> </header> <main class="pageWrap">  <div class="binaryPage" id="binaryPage"> <button id="toolboxToggle" class="toolboxToggle" type="button" aria-expanded="true"> <span class="toolboxIcon" aria-hidden="true">🧰</span> <span class="toolboxText">TOOLBOX</span> </button> <section class="topGrid"> <div class="leftCol"> <div class="readout"> <div class="label">Denary</div> <div id="denaryNumber" class="num denaryValue">0</div> <div class="label">Binary</div> <div id="binaryNumber" class="num binaryValue">00000000</div> </div> <div class="divider"></div> <section class="bitsWrap" aria-label="Bit switches"> <div class="bitsGrid" id="bitsGrid"></div> </section> </div> <aside id="toolboxPanel" class="panelCol" aria-label="Toolbox"> <div class="card"> <div class="cardTitle">Settings</div> <div class="toggleRow"> <div class="toggleLabel" id="lblUnsigned">Unsigned</div> <label class="switch" aria-label="Toggle mode"> <input id="modeToggle" type="checkbox"> <span class="slider"></span> </label> <div class="toggleLabel" id="lblTwos">Two's complement</div> </div> <div class="hint" id="modeHint">
+<!DOCTYPE html><html lang="en"> <head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Binary Simulator | Computing:Box</title><script>
+      var _paq = window._paq = window._paq || [];
+      _paq.push(["setCookieDomain", "*.www.computingbox.co.uk"]);
+      _paq.push(["setDomains", ["*.www.computingbox.co.uk","*.csbox.mrdaviscsit.uk","*.csbox.mrlyall.co.uk","*.csbox.mrlyall.uk"]]);
+      _paq.push(["enableCrossDomainLinking"]);
+      _paq.push(["disableCookies"]);
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//analytics.adcmnetworks.co.uk/";
+        _paq.push(['setTrackerUrl', u+'matomo.php']);
+        _paq.push(['setSiteId', '2']);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script><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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/_astro/about.DM-NXsTj.css">
+<link rel="stylesheet" href="/_astro/binary.9peKc0z2.css"></head> <body> <header class="siteNav"> <div class="navInner"> <a class="brand" href="/"> <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo"> <span class="brandName">Computing:Box</span> </a> <nav class="navLinks" aria-label="Site navigation"> <a href="/about">About</a> <a href="/binary">Binary</a> <a href="/hexadecimal">Hexadecimal</a> <a href="/hex-colours">Hex Colours</a> <a href="/logic-gates">Logic Gates</a> <a href="/pc-builder">PC Components</a> </nav> </div> </header> <main class="pageWrap">  <div class="binaryPage" id="binaryPage"> <button id="toolboxToggle" class="toolboxToggle" type="button" aria-expanded="true"> <span class="toolboxIcon" aria-hidden="true">🧰</span> <span class="toolboxText">TOOLBOX</span> </button> <section class="topGrid"> <div class="leftCol"> <div class="readout"> <div class="label">Denary</div> <div id="denaryNumber" class="num denaryValue">0</div> <div class="label">Binary</div> <div id="binaryNumber" class="num binaryValue">00000000</div> </div> <div class="divider"></div> <section class="bitsWrap" aria-label="Bit switches"> <div class="bitsGrid" id="bitsGrid"></div> </section> </div> <aside id="toolboxPanel" class="panelCol" aria-label="Toolbox"> <div class="card"> <div class="cardTitle">Settings</div> <div class="toggleRow"> <div class="toggleLabel" id="lblUnsigned">Unsigned</div> <label class="switch" aria-label="Toggle mode"> <input id="modeToggle" type="checkbox"> <span class="slider"></span> </label> <div class="toggleLabel" id="lblTwos">Two's complement</div> </div> <div class="hint" id="modeHint">
 Tip: In unsigned binary, all bits represent positive values.
-</div> <div class="subCard"> <div class="subTitle">Bit width</div> <div class="bitWidthRow"> <button class="miniBtn" id="btnBitsDown" type="button" aria-label="Decrease bits">−</button> <div class="bitInputWrap"> <div class="bitInputLabel">Bits</div> <input id="bitsInput" class="bitInput" type="number" inputmode="numeric" min="1" max="64" step="1" value="8" aria-label="Number of bits"> </div> <button class="miniBtn" id="btnBitsUp" type="button" aria-label="Increase bits">+</button> </div> </div> </div> <div class="card"> <div class="cardTitle">Custom Number</div> <div class="controlsRow"> <button class="btn btnAccent btnHalf" id="btnCustomBinary" type="button">Custom Binary</button> <button class="btn btnAccent btnHalf" id="btnCustomDenary" type="button">Custom Denary</button> </div> <button class="btn btnWide" id="btnRandom" type="button">Random</button> <div class="hint">Random runs briefly then stops automatically.</div> </div> <div class="card"> <div class="cardTitle">Tools</div> <div class="toolRowCentered"> <button class="toolBtn toolSpin toolDec" id="btnDec" type="button" aria-label="Decrement">▼</button> <button class="toolBtn toolSpin toolInc" id="btnInc" type="button" aria-label="Increment">▲</button> </div> <div class="toolRow2"> <button class="btn btnHalf" id="btnShiftLeft" type="button">Left Shift</button> <button class="btn btnHalf" id="btnShiftRight" type="button">Right Shift</button> </div> <button class="btn btnReset btnWide" id="btnClear" type="button">Reset</button> </div> </aside> </section> </div> <script type="module" src="/_astro/binary.astro_astro_type_script_index_0_lang.C_c_A3x5.js"></script>  </main> <footer class="siteFooter"> <div class="footerInner"> <div>COMPUTER SCIENCE CONCEPT SIMULATORS</div> <div>© 2026 COMPUTING:BOX • CREATED WITH ♥ BY MR LYALL</div> </div> </footer> </body></html>
+</div> <div class="subCard"> <div class="subTitle">Bit width</div> <div class="bitWidthRow"> <button class="miniBtn" id="btnBitsDown" type="button" aria-label="Decrease bits">−</button> <div class="bitInputWrap"> <div class="bitInputLabel">Bits</div> <input id="bitsInput" class="bitInput" type="number" inputmode="numeric" min="1" max="64" step="1" value="8" aria-label="Number of bits"> </div> <button class="miniBtn" id="btnBitsUp" type="button" aria-label="Increase bits">+</button> </div> </div> </div> <div class="card"> <div class="cardTitle">Custom Number</div> <div class="controlsRow"> <button class="btn btnAccent btnHalf" id="btnCustomBinary" type="button">Custom Binary</button> <button class="btn btnAccent btnHalf" id="btnCustomDenary" type="button">Custom Denary</button> </div> <button class="btn btnWide" id="btnRandom" type="button">Random</button> <div class="hint">Random runs briefly then stops automatically.</div> </div> <div class="card"> <div class="cardTitle">Tools</div> <div class="toolRowCentered"> <button class="toolBtn toolSpin toolDec" id="btnDec" type="button" aria-label="Decrement">▼</button> <button class="toolBtn toolSpin toolInc" id="btnInc" type="button" aria-label="Increment">▲</button> </div> <div class="toolRow2"> <button class="btn btnHalf" id="btnShiftLeft" type="button">Left Shift</button> <button class="btn btnHalf" id="btnShiftRight" type="button">Right Shift</button> </div> <button class="btn btnReset btnWide" id="btnClear" type="button">Reset</button> </div> </aside> </section> </div> <script type="module" src="/_astro/binary.astro_astro_type_script_index_0_lang.C_c_A3x5.js"></script>  </main> <footer class="siteFooter"> <div class="footerInner"> <div style="margin-top: 5px; display: flex; justify-content: center;"> <a href="/copyright" style="color: var(--muted); text-decoration: underline;">Copyright Notice</a> <a href="/legal-code" style="margin-left: 32px; color: var(--muted); text-decoration: underline;">Legal Code</a> </div> <div>Computer Science Concept Simulators</div> <div>© 2026 Computing:Box • Created with ♥ by Mr A Lyall</div> </div> </footer> </body></html>

dist/hexadecimal/index.html

@@ -1,3 +1,19 @@
-<!DOCTYPE html><html lang="en"> <head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Hexadecimal Simulator | Computing:Box</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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/_astro/binary.BbxrcYRT.css"></head> <body> <header class="siteNav"> <div class="navInner"> <a class="brand" href="/"> <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo"> <span class="brandName">COMPUTING:BOX</span> </a> <nav class="navLinks" aria-label="Site navigation"> <a href="/about">ABOUT</a> <a href="/binary">BINARY</a> <a href="/hexadecimal">HEXADECIMAL</a> <a href="/hex-colours">HEX COLOURS</a> <a href="/logic-gates">LOGIC GATES</a> </nav> </div> </header> <main class="pageWrap">  <div class="binaryPage" id="hexPage"> <button id="toolboxToggle" class="toolboxToggle" type="button" aria-expanded="true"> <span class="toolboxIcon" aria-hidden="true">🧰</span> <span class="toolboxText">TOOLBOX</span> </button> <section class="topGrid"> <div class="leftCol"> <div class="readout"> <div class="label">Denary</div> <div id="denaryNumber" class="num denaryValue">0</div> <div class="label">Hexadecimal</div> <div id="hexNumber" class="num hexValue">00</div> <div class="label">Binary</div> <div id="binaryNumber" class="num binaryValue">00000000</div> </div> <div class="divider"></div> <section class="bitsWrap" aria-label="Hexadecimal sliders"> <div class="hexGrid" id="hexGrid"></div> </section> </div> <aside id="toolboxPanel" class="panelCol" aria-label="Toolbox"> <div class="card"> <div class="cardTitle">Settings</div> <div class="hint" style="margin-top: 0; margin-bottom: 14px;">
+<!DOCTYPE html><html lang="en"> <head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Hexadecimal Simulator | Computing:Box</title><script>
+      var _paq = window._paq = window._paq || [];
+      _paq.push(["setCookieDomain", "*.www.computingbox.co.uk"]);
+      _paq.push(["setDomains", ["*.www.computingbox.co.uk","*.csbox.mrdaviscsit.uk","*.csbox.mrlyall.co.uk","*.csbox.mrlyall.uk"]]);
+      _paq.push(["enableCrossDomainLinking"]);
+      _paq.push(["disableCookies"]);
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//analytics.adcmnetworks.co.uk/";
+        _paq.push(['setTrackerUrl', u+'matomo.php']);
+        _paq.push(['setSiteId', '2']);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script><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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/_astro/about.DM-NXsTj.css">
+<link rel="stylesheet" href="/_astro/binary.9peKc0z2.css"></head> <body> <header class="siteNav"> <div class="navInner"> <a class="brand" href="/"> <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo"> <span class="brandName">Computing:Box</span> </a> <nav class="navLinks" aria-label="Site navigation"> <a href="/about">About</a> <a href="/binary">Binary</a> <a href="/hexadecimal">Hexadecimal</a> <a href="/hex-colours">Hex Colours</a> <a href="/logic-gates">Logic Gates</a> <a href="/pc-builder">PC Components</a> </nav> </div> </header> <main class="pageWrap">  <div class="binaryPage" id="hexPage"> <button id="toolboxToggle" class="toolboxToggle" type="button" aria-expanded="true"> <span class="toolboxIcon" aria-hidden="true">🧰</span> <span class="toolboxText">TOOLBOX</span> </button> <section class="topGrid"> <div class="leftCol"> <div class="readout"> <div class="label">Denary</div> <div id="denaryNumber" class="num denaryValue">0</div> <div class="label">Hexadecimal</div> <div id="hexNumber" class="num hexValue">00</div> <div class="label">Binary</div> <div id="binaryNumber" class="num binaryValue">00000000</div> </div> <div class="divider"></div> <section class="bitsWrap" aria-label="Hexadecimal sliders"> <div class="hexGrid" id="hexGrid"></div> </section> </div> <aside id="toolboxPanel" class="panelCol" aria-label="Toolbox"> <div class="card"> <div class="cardTitle">Settings</div> <div class="hint" style="margin-top: 0; margin-bottom: 14px;">
 Hexadecimal represents numbers using base 16 (0-9, A-F).
-</div> <div class="subCard"> <div class="subTitle">Digit width</div> <div class="bitWidthRow"> <button class="miniBtn" id="btnDigitsDown" type="button" aria-label="Decrease digits">−</button> <div class="bitInputWrap"> <div class="bitInputLabel">Digits</div> <input id="digitsInput" class="bitInput" type="number" inputmode="numeric" min="1" max="16" step="1" value="2" aria-label="Number of hex digits"> </div> <button class="miniBtn" id="btnDigitsUp" type="button" aria-label="Increase digits">+</button> </div> </div> </div> <div class="card"> <div class="cardTitle">Custom Number</div> <div class="controlsRow"> <button class="btn btnAccent btnHalf" id="btnCustomHex" type="button">Custom Hex</button> <button class="btn btnAccent btnHalf" id="btnCustomDenary" type="button">Custom Denary</button> </div> <div class="controlsRow"> <button class="btn btnAccent btnWide" id="btnCustomBinary" type="button">Custom Binary</button> </div> <button class="btn btnWide" id="btnRandom" type="button">Random</button> <div class="hint">Random runs briefly then stops automatically.</div> </div> <div class="card"> <div class="cardTitle">Tools</div> <div class="toolRowCentered"> <button class="toolBtn toolSpin toolDec" id="btnDec" type="button" aria-label="Decrement">▼</button> <button class="toolBtn toolSpin toolInc" id="btnInc" type="button" aria-label="Increment">▲</button> </div> <button class="btn btnReset btnWide" id="btnClear" type="button">Reset</button> </div> </aside> </section> </div> <script type="module" src="/_astro/hexadecimal.astro_astro_type_script_index_0_lang.C4Wx7oaX.js"></script>  </main> <footer class="siteFooter"> <div class="footerInner"> <div>COMPUTER SCIENCE CONCEPT SIMULATORS</div> <div>© 2026 COMPUTING:BOX • CREATED WITH ♥ BY MR LYALL</div> </div> </footer> </body></html>
+</div> <div class="subCard"> <div class="subTitle">Digit width</div> <div class="bitWidthRow"> <button class="miniBtn" id="btnDigitsDown" type="button" aria-label="Decrease digits">−</button> <div class="bitInputWrap"> <div class="bitInputLabel">Digits</div> <input id="digitsInput" class="bitInput" type="number" inputmode="numeric" min="1" max="16" step="1" value="2" aria-label="Number of hex digits"> </div> <button class="miniBtn" id="btnDigitsUp" type="button" aria-label="Increase digits">+</button> </div> </div> </div> <div class="card"> <div class="cardTitle">Custom Number</div> <div class="controlsRow"> <button class="btn btnAccent btnHalf" id="btnCustomHex" type="button">Custom Hex</button> <button class="btn btnAccent btnHalf" id="btnCustomDenary" type="button">Custom Denary</button> </div> <div class="controlsRow"> <button class="btn btnAccent btnWide" id="btnCustomBinary" type="button">Custom Binary</button> </div> <button class="btn btnWide" id="btnRandom" type="button">Random</button> <div class="hint">Random runs briefly then stops automatically.</div> </div> <div class="card"> <div class="cardTitle">Tools</div> <div class="toolRowCentered"> <button class="toolBtn toolSpin toolDec" id="btnDec" type="button" aria-label="Decrement">▼</button> <button class="toolBtn toolSpin toolInc" id="btnInc" type="button" aria-label="Increment">▲</button> </div> <button class="btn btnReset btnWide" id="btnClear" type="button">Reset</button> </div> </aside> </section> </div> <script type="module" src="/_astro/hexadecimal.astro_astro_type_script_index_0_lang.C4Wx7oaX.js"></script>  </main> <footer class="siteFooter"> <div class="footerInner"> <div style="margin-top: 5px; display: flex; justify-content: center;"> <a href="/copyright" style="color: var(--muted); text-decoration: underline;">Copyright Notice</a> <a href="/legal-code" style="margin-left: 32px; color: var(--muted); text-decoration: underline;">Legal Code</a> </div> <div>Computer Science Concept Simulators</div> <div>© 2026 Computing:Box • Created with ♥ by Mr A Lyall</div> </div> </footer> </body></html>

dist/index.html

@@ -1,7 +1,18 @@
-<!DOCTYPE html><html lang="en" data-astro-cid-sckkx6r4> <head><meta charset="UTF-8"><meta name="viewport" content="width=device-width"><link rel="icon" type="image/svg+xml" href="/favicon.svg"><meta name="generator" content="Astro v5.18.0"><title>Astro Basics</title><style>#background[data-astro-cid-mmc7otgs]{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;filter:blur(100px)}#container[data-astro-cid-mmc7otgs]{font-family:Inter,Roboto,Helvetica Neue,Arial Nova,Nimbus Sans,Arial,sans-serif;height:100%}main[data-astro-cid-mmc7otgs]{height:100%;display:flex;justify-content:center}#hero[data-astro-cid-mmc7otgs]{display:flex;align-items:start;flex-direction:column;justify-content:center;padding:16px}h1[data-astro-cid-mmc7otgs]{font-size:22px;margin-top:.25em}#links[data-astro-cid-mmc7otgs]{display:flex;gap:16px}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs]{display:flex;align-items:center;padding:10px 12px;color:#111827;text-decoration:none;transition:color .2s}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs]:hover{color:#4e5056}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs] svg[data-astro-cid-mmc7otgs]{height:1em;margin-left:8px}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs].button{color:#fff;background:linear-gradient(83.21deg,#3245ff,#bc52ee);box-shadow:inset 0 0 0 1px #ffffff1f,inset 0 -2px #0000003d;border-radius:10px}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs].button:hover{color:#e6e6e6;box-shadow:none}pre[data-astro-cid-mmc7otgs]{font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,Consolas,DejaVu Sans Mono,monospace;font-weight:400;background:linear-gradient(14deg,#d83333,#f041ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}h2[data-astro-cid-mmc7otgs]{margin:0 0 1em;font-weight:400;color:#111827;font-size:20px}p[data-astro-cid-mmc7otgs]{color:#4b5563;font-size:16px;line-height:24px;letter-spacing:-.006em;margin:0}code[data-astro-cid-mmc7otgs]{display:inline-block;background:linear-gradient(66.77deg,#f3cddd,#f5cee7) padding-box,linear-gradient(155deg,#d83333,#f041ff 18%,#f5cee7 45%) border-box;border-radius:8px;border:1px solid transparent;padding:6px 8px}.box[data-astro-cid-mmc7otgs]{padding:16px;background:#fff;border-radius:16px;border:1px solid white}#news[data-astro-cid-mmc7otgs]{position:absolute;bottom:16px;right:16px;max-width:300px;text-decoration:none;transition:background .2s;backdrop-filter:blur(50px)}#news[data-astro-cid-mmc7otgs]:hover{background:#ffffff8c}@media screen and (max-height:368px){#news[data-astro-cid-mmc7otgs]{display:none}}@media screen and (max-width:768px){#container[data-astro-cid-mmc7otgs]{display:flex;flex-direction:column}#hero[data-astro-cid-mmc7otgs]{display:block;padding-top:10%}#links[data-astro-cid-mmc7otgs]{flex-wrap:wrap}#links[data-astro-cid-mmc7otgs] a[data-astro-cid-mmc7otgs].button{padding:14px 18px}#news[data-astro-cid-mmc7otgs]{right:16px;left:16px;bottom:2.5rem;max-width:100%}h1[data-astro-cid-mmc7otgs]{line-height:1.5}}html,body{margin:0;width:100%;height:100%}
-</style></head> <body data-astro-cid-sckkx6r4>  <div id="container" data-astro-cid-mmc7otgs> <img id="background" src="/_astro/background.BPKAcmfN.svg" alt="" fetchpriority="high" data-astro-cid-mmc7otgs> <main data-astro-cid-mmc7otgs> <section id="hero" data-astro-cid-mmc7otgs> <a href="https://astro.build" data-astro-cid-mmc7otgs><img src="/_astro/astro.Dm8K3lV8.svg" width="115" height="48" alt="Astro Homepage" data-astro-cid-mmc7otgs></a> <h1 data-astro-cid-mmc7otgs>
-To get started, open the <code data-astro-cid-mmc7otgs><pre data-astro-cid-mmc7otgs>src/pages</pre></code> directory in your project.
-</h1> <section id="links" data-astro-cid-mmc7otgs> <a class="button" href="https://docs.astro.build" data-astro-cid-mmc7otgs>Read our docs</a> <a href="https://astro.build/chat" data-astro-cid-mmc7otgs>Join our Discord <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 127.14 96.36" data-astro-cid-mmc7otgs><path fill="currentColor" d="M107.7 8.07A105.15 105.15 0 0 0 81.47 0a72.06 72.06 0 0 0-3.36 6.83 97.68 97.68 0 0 0-29.11 0A72.37 72.37 0 0 0 45.64 0a105.89 105.89 0 0 0-26.25 8.09C2.79 32.65-1.71 56.6.54 80.21a105.73 105.73 0 0 0 32.17 16.15 77.7 77.7 0 0 0 6.89-11.11 68.42 68.42 0 0 1-10.85-5.18c.91-.66 1.8-1.34 2.66-2a75.57 75.57 0 0 0 64.32 0c.87.71 1.76 1.39 2.66 2a68.68 68.68 0 0 1-10.87 5.19 77 77 0 0 0 6.89 11.1 105.25 105.25 0 0 0 32.19-16.14c2.64-27.38-4.51-51.11-18.9-72.15ZM42.45 65.69C36.18 65.69 31 60 31 53s5-12.74 11.43-12.74S54 46 53.89 53s-5.05 12.69-11.44 12.69Zm42.24 0C78.41 65.69 73.25 60 73.25 53s5-12.74 11.44-12.74S96.23 46 96.12 53s-5.04 12.69-11.43 12.69Z" data-astro-cid-mmc7otgs></path></svg> </a> </section> </section> </main> <a href="https://astro.build/blog/astro-5/" id="news" class="box" data-astro-cid-mmc7otgs> <svg width="32" height="32" fill="none" xmlns="http://www.w3.org/2000/svg" data-astro-cid-mmc7otgs><path d="M24.667 12c1.333 1.414 2 3.192 2 5.334 0 4.62-4.934 5.7-7.334 12C18.444 28.567 18 27.456 18 26c0-4.642 6.667-7.053 6.667-14Zm-5.334-5.333c1.6 1.65 2.4 3.43 2.4 5.333 0 6.602-8.06 7.59-6.4 17.334C13.111 27.787 12 25.564 12 22.666c0-4.434 7.333-8 7.333-16Zm-6-5.333C15.111 3.555 16 5.556 16 7.333c0 8.333-11.333 10.962-5.333 22-3.488-.774-6-4-6-8 0-8.667 8.666-10 8.666-20Z" fill="#111827" data-astro-cid-mmc7otgs></path></svg> <h2 data-astro-cid-mmc7otgs>What's New in Astro 5.0?</h2> <p data-astro-cid-mmc7otgs>
-From content layers to server islands, click to learn more about the new features and
-			improvements in Astro 5.0
-</p> </a> </div>   </body></html>
+<!DOCTYPE html><html lang="en"> <head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Welcome | Computing:Box</title><script>
+      var _paq = window._paq = window._paq || [];
+      _paq.push(["setCookieDomain", "*.www.computingbox.co.uk"]);
+      _paq.push(["setDomains", ["*.www.computingbox.co.uk","*.csbox.mrdaviscsit.uk","*.csbox.mrlyall.co.uk","*.csbox.mrlyall.uk"]]);
+      _paq.push(["enableCrossDomainLinking"]);
+      _paq.push(["disableCookies"]);
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//analytics.adcmnetworks.co.uk/";
+        _paq.push(['setTrackerUrl', u+'matomo.php']);
+        _paq.push(['setSiteId', '2']);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script><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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet"><link rel="stylesheet" href="/_astro/about.DM-NXsTj.css"></head> <body> <header class="siteNav"> <div class="navInner"> <a class="brand" href="/"> <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo"> <span class="brandName">Computing:Box</span> </a> <nav class="navLinks" aria-label="Site navigation"> <a href="/about">About</a> <a href="/binary">Binary</a> <a href="/hexadecimal">Hexadecimal</a> <a href="/hex-colours">Hex Colours</a> <a href="/logic-gates">Logic Gates</a> <a href="/pc-builder">PC Components</a> </nav> </div> </header> <main class="pageWrap">  <div style="display: flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 60vh; padding: 40px 0;"> <div style="flex: 1;"> <p style="color: var(--accent); font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;">Version 2.0 Now Live</p> <h1 class="brandName" style="font-size: 48px; line-height: 1.1; margin-bottom: 24px;">Understand Computing concepts better.</h1> <p style="font-size: 18px; color: var(--muted);">
+Interactive simulators for Binary, Hexadecimal, Logic Gates, and Computer Components designed for the UK curriculum.
+</p> <div style="display: flex; gap: 16px; margin-top: 32px;"> <a href="/about" class="btn btnAccent" style="text-decoration: none; padding: 14px 28px;">Learn More</a> <a href="/binary" class="btn" style="text-decoration: none; padding: 14px 28px;">Get Started</a> </div> </div> <div style="flex: 1; text-align: right;"> <img src="/images/computing-box-logo.svg" alt="Computing Box Logo" style="width: 100%; max-width: 450px; filter: drop-shadow(0 0 50px rgba(40, 240, 122, 0.15));"> </div> </div>  </main> <footer class="siteFooter"> <div class="footerInner"> <div style="margin-top: 5px; display: flex; justify-content: center;"> <a href="/copyright" style="color: var(--muted); text-decoration: underline;">Copyright Notice</a> <a href="/legal-code" style="margin-left: 32px; color: var(--muted); text-decoration: underline;">Legal Code</a> </div> <div>Computer Science Concept Simulators</div> <div>© 2026 Computing:Box • Created with ♥ by Mr A Lyall</div> </div> </footer> </body></html>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "computing-box",
   "type": "module",
-  "version": "0.0.1",
+  "version": "26.3.2-1.f",
   "scripts": {
     "dev": "astro dev",
     "build": "astro build",
@@ -9,6 +9,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^5.18.0"
+    "astro": "^6.0.8"
   }
 }

src/generated/version.json

@@ -0,0 +1,4 @@
+{
+  "version": "dev",
+  "url": "#"
+}

src/layouts/BaseLayout.astro

@@ -1,6 +1,9 @@
 ---
-import '../styles/global.css';
+import "../styles/global.css";
+import versionInfo from "../generated/version.json";
 
+const version = versionInfo.version;
+const releaseUrl = versionInfo.url;
 const { title = "Computing:Box" } = Astro.props;
 ---
 
@@ -11,15 +14,32 @@ const { title = "Computing:Box" } = Astro.props;
     <meta name="viewport" content="width=device-width,initial-scale=1" />
     <title>{title}</title>
     
+    <script is:inline>
+      var _paq = window._paq = window._paq || [];
+      _paq.push(["setCookieDomain", "*.www.computingbox.co.uk"]);
+      _paq.push(["setDomains", ["*.www.computingbox.co.uk","*.csbox.mrdaviscsit.uk","*.csbox.mrlyall.co.uk","*.csbox.mrlyall.uk"]]);
+      _paq.push(["enableCrossDomainLinking"]);
+      _paq.push(["disableCookies"]);
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//analytics.adcmnetworks.co.uk/";
+        _paq.push(['setTrackerUrl', u+'matomo.php']);
+        _paq.push(['setSiteId', '2']);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script>
     <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=Inter:wght@400;700;800;900&display=swap" rel="stylesheet">
+    <link rel="icon" type="image/x-icon" href="/images/favicon.ico" />
   </head>
   <body>
     <header class="siteNav">
       <div class="navInner">
         <a class="brand" href="/">
-          <img class="brandLogo" src="/images/computing-box-logo.svg" alt="Computing:Box logo" />
+          <img class="brandLogo" src="/images/computing-box-logo.webp" alt="Computing:Box logo" />
           <span class="brandName">Computing:Box</span>
         </a>
 
@@ -29,6 +49,7 @@ const { title = "Computing:Box" } = Astro.props;
           <a href="/hexadecimal">Hexadecimal</a>
           <a href="/hex-colours">Hex Colours</a>
           <a href="/logic-gates">Logic Gates</a>
+          <a href="/pc-builder">PC Components</a>
         </nav>
       </div>
     </header>
@@ -38,9 +59,16 @@ const { title = "Computing:Box" } = Astro.props;
     </main>
 
     <footer class="siteFooter">
-      <div class="footerInner">
+        <div class="footerInner">
+          <div style="margin-top: 5px; display: flex; justify-content: center;">
+              <a href="/copyright" style="color: var(--muted); text-decoration: underline;">Copyright Notice</a>
+              <a href="/legal-code" style="margin-left: 32px; color: var(--muted); text-decoration: underline;">Legal Code</a>
+          </div>
         <div>Computer Science Concept Simulators</div>
-        <div>© {new Date().getFullYear()} Computing:Box • Created with ♥ by Mr A Lyall</div>
+        <div>    Version:
+    <a href={releaseUrl} target="_blank" rel="noopener noreferrer">
+      {version}
+    </a> • © {new Date().getFullYear()} Computing:Box • Created with ♥ by Mr A Lyall</div>
       </div>
     </footer>
   </body>

src/pages/about.astro

@@ -0,0 +1,55 @@
+---
+import BaseLayout from "../layouts/BaseLayout.astro";
+---
+
+<BaseLayout title="About - Computing:Box">
+  <article style="max-width: 1100px; margin: 0 auto; width: 100%;">
+    
+    <div style="text-align: center; margin-bottom: 60px;">
+        <img src="/images/computing-box-logo.webp" alt="Computing:Box Logo" style="width: 250px; border-radius: 20px; box-shadow: 0 12px 40px rgba(0,0,0,0.5);" />
+        <h1 class="brandName" style="font-size: 42px; margin-top: 20px; color: var(--text);">The New Computing:Box Experience</h1>
+    </div>
+
+    <div class="card" style="margin-bottom: 40px;">
+      <p style="color: var(--muted); font-size: 18px; line-height: 1.6; text-align: center;">
+        Rebuilt from the ground up to provide a deeper, more professional simulation environment for the UK Computing Curriculum.
+      </p>
+      <div class="divider"></div>
+      <ul style="list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px;">
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> New User Interface (Responsive)</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Two's Complement Simulator</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Extended Binary Simulator (Custom sizes)</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Unified Binary Simulator</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Extended Hexadecimal Simulator</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Unified Hexadecimal Simulator</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Enhanced Gate Simulator (Truth Tables)</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Compound Gate Simulator</li>
+        <li style="color: var(--text);"><span style="color: var(--accent);">✔</span> Computer Components Simulator</li>
+      </ul>
+    </div>
+
+    <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; align-items: center;">
+        <div class="card">
+            <h2 class="brandName" style="font-size: 24px; color: var(--accent);">From Bit:Box to Computing:Box</h2>
+            <p style="color: var(--muted); line-height: 1.6;">Computing:Box began as Bit:Box, a digital version of a physical Binary Light Box created by Mr Davis. The original device used lightbulbs to show how binary numbers are built.</p>
+        </div>
+        <img src="/images/BitBoxLogo.png" alt="Bit:Box Logo" style="width: 100%; border-radius: 16px; border: 1px solid var(--line);" />
+    </div>
+
+    <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; align-items: center;">
+        <img src="/images/computingbox-concept-illustration.webp" alt="Simulator Illustration" style="width: 100%; border-radius: 16px; border: 1px solid var(--line);" />
+        <div class="card">
+            <h2 class="brandName" style="font-size: 24px; color: var(--accent);">Learning by Doing</h2>
+            <p style="color: var(--muted); line-height: 1.6;">Students can interact with simulations, change values, and see results instantly. This helps them understand how concepts work rather than memorising rules.</p>
+        </div>
+    </div>
+
+    <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;">
+        <div class="card">
+            <h2 class="brandName" style="font-size: 24px; color: var(--accent);">Educational Impact</h2>
+            <p style="color: var(--muted); line-height: 1.6;">Designed for use in lessons, independent study, and revision, helping students build confidence as they explore how computers work.</p>
+        </div>
+        <img src="/images/Educational_Impact.webp" alt="Classroom Impact" style="width: 100%; border-radius: 16px; border: 1px solid var(--line);" />
+    </div>
+  </article>
+</BaseLayout>

src/pages/binary.astro

@@ -1,5 +1,6 @@
 ---
 import BaseLayout from "../layouts/BaseLayout.astro";
+import "../styles/number-simulators.css";
 ---
 
 <BaseLayout title="Binary Simulator | Computing:Box">

src/pages/copyright.astro

@@ -0,0 +1,28 @@
+---
+import BaseLayout from "../layouts/BaseLayout.astro";
+---
+
+<BaseLayout title="Copyright Notice | Computing:Box">
+  <div class="card" style="max-width: 800px; margin: 0 auto;">
+    <h1 class="brandName" style="color: var(--accent); margin-bottom: 20px;">Copyright Notice</h1>
+    <a href="https://www.computingbox.co.uk" style="color: var(--accent); text-decoration: none;">Computing:Box</a> © 2024 by <a href="https://www.mrlyall.uk/" style="color: var(--accent); text-decoration: none;">Mr A Lyall</a> is licensed under <strong><a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" style="color: var(--accent); text-decoration: none;">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International</a></strong><img src="https://mirrors.creativecommons.org/presskit/icons/cc.svg" alt="" style="max-width: 1em;max-height:1em;margin-left: .2em;"><img src="https://mirrors.creativecommons.org/presskit/icons/by.svg" alt="" style="max-width: 1em;max-height:1em;margin-left: .2em;"><img src="https://mirrors.creativecommons.org/presskit/icons/nc.svg" alt="" style="max-width: 1em;max-height:1em;margin-left: .2em;"><img src="https://mirrors.creativecommons.org/presskit/icons/sa.svg" alt="" style="max-width: 1em;max-height:1em;margin-left: .2em;">
+
+    <div class="divider"></div>
+
+    <h2 class="brandName" style="font-size: 20px;">What Does This Mean For You?</h2>
+    <p style="color: var(--muted); font-size: 1.2em;">You are free to:</p>
+    <ul style="color: var(--muted); line-height: 1.6; margin-bottom: 20px;">
+      <li><strong>Share</strong> — copy and redistribute the material in any medium or format.</li>
+      <li><strong>Adapt</strong> — remix, transform, and build upon the material.</li>
+    </ul>
+    
+    <h2 class="brandName" style="font-size: 20px;">Under the following terms:</h2>
+    <ul style="color: var(--muted); line-height: 1.6;">
+      <li class="cc-by"><strong>Attribution </strong>— You must give <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en#ref-appropriate-credit" style="color: var(--accent); margin-bottom: 20px;">appropriate credit</a>, provide a link to the license, and <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en#ref-indicate-changes" style="color: var(--accent); margin-bottom: 20px;">indicate if changes were made</a>. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.</li>
+      <li class="cc-nc"><strong>NonCommercial</strong> — You may not use the material for <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en#ref-commercial-purposes" style="color: var(--accent); margin-bottom: 20px;">commercial purposes</a>.</li>
+      <li class="cc-sa"><strong>ShareAlike</strong> — If you remix, transform, or build upon the material, you must distribute your contributions under the <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en#ref-same-license" style="color: var(--accent); margin-bottom: 20px;">same license</a> as the original.</li>
+      
+      <li><strong>No additional restrictions</strong> — You may not apply legal terms or <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en#ref-technological-measures" style="color: var(--accent); margin-bottom: 20px;">technological measures</a> that legally restrict others from doing anything the license permits.</li>
+    </ul>
+  </div>
+</BaseLayout>

src/pages/hex-colours.astro

@@ -1,5 +1,6 @@
 ---
 import BaseLayout from "../layouts/BaseLayout.astro";
+import "../styles/number-simulators.css";
 ---
 
 <BaseLayout title="Hex Colours Simulator | Computing:Box">

src/pages/hexadecimal.astro

@@ -1,5 +1,6 @@
 ---
 import BaseLayout from "../layouts/BaseLayout.astro";
+import "../styles/number-simulators.css";
 ---
 
 <BaseLayout title="Hexadecimal Simulator | Computing:Box">

src/pages/index.astro

@@ -0,0 +1,23 @@
+---
+import BaseLayout from "../layouts/BaseLayout.astro";
+---
+
+<BaseLayout title="Welcome | Computing:Box">
+  <div style="display: flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 60vh; padding: 40px 0;">
+    <div style="flex: 1;">
+      <p style="color: var(--accent); font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;">Version 2.0 Now Live</p>
+      <h1 class="brandName" style="font-size: 48px; line-height: 1.1; margin-bottom: 24px;">Understand Computing concepts better.</h1>
+      <p style="font-size: 18px; color: var(--muted);">
+        Interactive simulators for Binary, Hexadecimal, Logic Gates, and Computer Components designed for the UK curriculum.
+      </p>
+      <div style="display: flex; gap: 16px; margin-top: 32px;">
+        <a href="/about" class="btn btnAccent" style="text-decoration: none; padding: 14px 28px;">Learn More</a>
+        <a href="/binary" class="btn" style="text-decoration: none; padding: 14px 28px;">Get Started</a>
+      </div>
+    </div>
+    
+    <div style="flex: 1; text-align: right;">
+      <img src="/images/computing-box-logo.webp" alt="Computing Box Logo" style="width: 100%; max-width: 450px; filter: drop-shadow(0 0 50px rgba(40, 240, 122, 0.15));" />
+    </div>
+  </div>
+</BaseLayout>

src/pages/legal-code.astro

@@ -0,0 +1,20 @@
+---
+import BaseLayout from "../layouts/BaseLayout.astro";
+---
+
+<BaseLayout title="Legal Code | Computing:Box">
+  <div class="card" style="max-width: 900px; margin: 0 auto;">
+    <h1 class="brandName" style="color: var(--accent); margin-bottom: 20px;">Legal Code</h1>
+    
+    <div style="background: rgba(255, 193, 7, 0.1); border: 1px solid #ffc107; padding: 20px; border-radius: 12px; margin-bottom: 24px;">
+      <h3 style="color: #ffc107; margin-top: 0; font-family: var(--ui-font);">About the license and Creative Commons</h3>
+      <p style="color: #eee; margin-bottom: 0; font-size: 14px;">
+        Creative Commons Corporation ("Creative Commons") is not a law firm and does not provide legal services or legal advice. Distribution of Creative Commons public licenses does not create a lawyer-client or other relationship.
+      </p>
+    </div>
+
+    <p style="color: var(--muted); font-size: 14px; line-height: 1.6;">
+      By using this licensed material, you accept and agree to be bound by the terms and conditions of this Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License. 
+    </p>
+  </div>
+</BaseLayout>

src/pages/logic-gates.astro

@@ -14,38 +14,41 @@ import "../styles/logic-gates.css";
     <div class="lg-top-header">
       <div class="lg-title">Interactive Logic Circuit Builder</div>
       <div class="lg-subtitle">
-        Drag items from the toolbox to the board. Drag from output ports to input ports to wire. Click a wire or node and press <kbd>Delete</kbd> to remove it.
+        Drag items from the toolbox. Drag from output ports to input ports to wire. Click a wire/node and press <kbd>Delete</kbd>. Scroll to Zoom.
       </div>
     </div>
 
     <div class="lg-workspace" id="workspace">
-      <svg class="lg-svg-layer" id="wireLayer"></svg>
+      
+      <div class="lg-zoom-controls">
+        <button class="lg-zoom-btn" id="btnZoomIn" title="Zoom In">+</button>
+        <button class="lg-zoom-btn" id="btnZoomOut" title="Zoom Out">−</button>
+        <button class="lg-zoom-btn" id="btnZoomReset" title="Reset View" style="font-size: 16px;">⌂</button>
       </div>
 
+      <div class="lg-viewport" id="viewport">
+        <svg class="lg-svg-layer" id="wireLayer"></svg>
+        </div>
+      
+    </div>
+    
     <aside id="toolboxPanel" class="lg-toolbox" aria-label="Toolbox">
-      
       <div class="card">
         <div class="cardTitle">Components</div>
-        
-        <div class="tb-icon-grid" id="toolboxGrid">
-          </div>
+        <div class="tb-icon-grid" id="toolboxGrid"></div>
       </div>
-
       <div class="card">
         <div class="cardTitle">Live Truth Table</div>
         <details open>
           <summary class="tt-summary">Show / Hide Table</summary>
           <div style="font-family: var(--ui-font); font-size: 12px; color: var(--muted); margin-bottom: 12px;">Auto-generates based on current wiring. (Max 6 inputs)</div>
-          <div class="tt-table-wrap" id="truthTableContainer">
-            </div>
+          <div class="tt-table-wrap" id="truthTableContainer"></div>
         </details>
       </div>
-
       <div class="card">
         <div class="cardTitle">Tools</div>
         <button class="btn btnReset btnWide" id="btnClearBoard" type="button" style="margin-bottom:0;">Clear Board</button>
       </div>
-
     </aside>
   </div>
 

src/pages/pc-builder.astro

@@ -0,0 +1,63 @@
+---
+import BaseLayout from "../layouts/BaseLayout.astro";
+import "../styles/pc-builder.css";
+---
+
+<BaseLayout title="PC Part Simulator | Computing:Box">
+  <div id="pcPage" class="pb-container">
+    
+    <button id="toolboxToggle" class="toolboxToggle" type="button" aria-expanded="true">
+      <span class="toolboxIcon" aria-hidden="true">🧰</span>
+      <span class="toolboxText">TOOLBOX</span>
+    </button>
+
+    <div class="pb-top-header">
+      <div class="pb-title">PC Part Simulator</div>
+      <div class="pb-subtitle">
+        Build inside the Case! Snap the Motherboard into the chassis, then populate the slots. Add the side panel when done. <strong>Double-Click</strong> parts to inspect in 3D.
+      </div>
+    </div>
+
+    <div class="pb-workspace" id="workspace">
+      <div class="pb-zoom-controls">
+        <button class="pb-zoom-btn" id="btnZoomIn" title="Zoom In">+</button>
+        <button class="pb-zoom-btn" id="btnZoomOut" title="Zoom Out">−</button>
+        <button class="pb-zoom-btn" id="btnZoomReset" title="Reset View" style="font-size: 16px;">⌂</button>
+      </div>
+
+      <div class="pb-viewport" id="viewport">
+        <svg class="pb-svg-layer" id="wireLayer"></svg>
+      </div>
+    </div>
+    
+    <aside id="toolboxPanel" class="pb-toolbox" aria-label="Toolbox">
+      <div class="card">
+        <div class="cardTitle">Inventory</div>
+        <div class="tb-icon-grid" id="toolboxGrid"></div>
+      </div>
+
+      <div class="card">
+        <div class="cardTitle">System Diagnostics</div>
+        <div style="font-family: var(--ui-font); font-size: 12px; color: var(--muted); margin-bottom: 12px;">Live pre-flight boot analysis.</div>
+        <div class="specs-panel" id="buildSpecsContainer"></div>
+      </div>
+
+      <div class="card">
+        <div class="cardTitle">Tools</div>
+        <button class="btn btnReset btnWide" id="btnClearBoard" type="button" style="margin-bottom:0;">Disassemble PC</button>
+      </div>
+    </aside>
+
+    <div id="inspectModal" class="inspect-modal">
+       <div class="inspect-close" id="inspectClose">&times;</div>
+       <div id="inspectName" style="color: white; font-family: var(--ui-font); font-size: 28px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase;"></div>
+       <div class="inspect-stage" id="inspectStage">
+          <div class="inspect-object" id="inspectObject"></div>
+       </div>
+       <div style="color: var(--muted); font-family: var(--ui-font); margin-top: 20px; font-size: 14px;">Move mouse to rotate component. Scroll to zoom.</div>
+    </div>
+
+  </div>
+
+  <script src="../scripts/pcBuilder.js"></script>
+</BaseLayout>

src/scripts/logicGates.js

@@ -4,6 +4,7 @@
 (() => {
   /* --- DOM Elements --- */
   const workspace = document.getElementById("workspace");
+  const viewport = document.getElementById("viewport");
   const wireLayer = document.getElementById("wireLayer");
   const ttContainer = document.getElementById("truthTableContainer");
   const toolboxGrid = document.getElementById("toolboxGrid");
@@ -12,7 +13,7 @@
   const toolboxToggle = document.getElementById("toolboxToggle");
   const logicPage = document.getElementById("logicPage");
 
-  /* --- ANSI Gate SVGs (Strict 100x50 with built-in tails) --- */
+  /* --- ANSI Gate SVGs --- */
   const GATE_SVGS = {
     'AND': `<g stroke="#e8e8ee" stroke-width="3" fill="none"><path d="M0,15 L20,15 M0,35 L20,35 M70,25 L100,25"/><path d="M20,5 L50,5 A20,20 0 0 1 50,45 L20,45 Z" fill="var(--bg)"/></g>`,
     'OR': `<g stroke="#e8e8ee" stroke-width="3" fill="none"><path d="M0,15 L26,15 M0,35 L26,35 M70,25 L100,25"/><path d="M20,5 Q55,5 70,25 Q55,45 20,45 Q40,25 20,5 Z" fill="var(--bg)"/></g>`,
@@ -33,16 +34,21 @@
   let nextNodeId = 1;
   let nextWireId = 1;
 
+  // Interaction State
   let isDraggingNode = null;
   let dragOffset = { x: 0, y: 0 };
   let clickStartX = 0, clickStartY = 0; 
   
   let wiringStart = null; 
   let tempWirePath = null;
-  
   let selectedWireId = null; 
   let selectedNodeId = null;
 
+  // Camera State (Pan & Zoom)
+  let panX = 0, panY = 0, zoom = 1;
+  let isPanning = false;
+  let panStart = { x: 0, y: 0 };
+
   /* --- Setup Toolbox --- */
   function initToolbox() {
     if(!toolboxGrid) return;
@@ -56,7 +62,6 @@
         <div class="tb-icon-label">Output</div>
       </div>
     `;
-    
     Object.keys(GATE_SVGS).forEach(gate => {
       html += `
         <div draggable="true" data-spawn="GATE" data-gate="${gate}" class="drag-item tb-icon-box" title="${gate} Gate">
@@ -65,7 +70,6 @@
         </div>
       `;
     });
-    
     toolboxGrid.innerHTML = html;
 
     document.querySelectorAll('.drag-item').forEach(item => {
@@ -76,7 +80,21 @@
     });
   }
 
-  /* --- Math & Geometry --- */
+  /* --- Camera Math --- */
+  function updateViewport() {
+    viewport.style.transform = `translate(${panX}px, ${panY}px) scale(${zoom})`;
+    workspace.style.backgroundSize = `${24 * zoom}px ${24 * zoom}px`;
+    workspace.style.backgroundPosition = `${panX}px ${panY}px`;
+  }
+
+  function zoomWorkspace(factor, mouseX, mouseY) {
+    const newZoom = Math.min(Math.max(0.2, zoom * factor), 3);
+    panX = mouseX - (mouseX - panX) * (newZoom / zoom);
+    panY = mouseY - (mouseY - panY) * (newZoom / zoom);
+    zoom = newZoom;
+    updateViewport();
+  }
+
   function getPortCoords(nodeId, portDataAttr) {
     const node = nodes[nodeId];
     if (!node || !node.el) return {x:0, y:0};
@@ -87,9 +105,10 @@
     const wsRect = workspace.getBoundingClientRect();
     const portRect = portEl.getBoundingClientRect();
     
+    // Calculate backwards through camera scale/pan to find true local coordinates
     return {
-      x: portRect.left - wsRect.left + (portRect.width / 2),
-      y: portRect.top - wsRect.top + (portRect.height / 2)
+      x: (portRect.left - wsRect.left - panX + portRect.width / 2) / zoom,
+      y: (portRect.top - wsRect.top - panY + portRect.height / 2) / zoom
     };
   }
 
@@ -101,37 +120,30 @@
   /* --- Rendering --- */
   function renderWires() {
     let svgHTML = '';
-    
     connections.forEach(conn => {
       const from = getPortCoords(conn.fromNode, 'out');
       const to = getPortCoords(conn.toNode, `in${conn.toPort}`);
       const sourceNode = nodes[conn.fromNode];
       const isActive = sourceNode && sourceNode.value === true;
       const isSelected = conn.id === selectedWireId;
-      
       svgHTML += `<path class="lg-wire ${isActive ? 'active' : ''} ${isSelected ? 'selected' : ''}" d="${drawBezier(from.x, from.y, to.x, to.y)}" data-conn-id="${conn.id}" />`;
     });
 
     if (wiringStart && tempWirePath) {
       svgHTML += `<path class="lg-wire lg-wire-temp" d="${drawBezier(wiringStart.x, wiringStart.y, tempWirePath.x, tempWirePath.y)}" />`;
     }
-
     wireLayer.innerHTML = svgHTML;
   }
 
   function updateNodePositions() {
     Object.values(nodes).forEach(n => {
-      if (n.el) {
-        n.el.style.left = `${n.x}px`;
-        n.el.style.top = `${n.y}px`;
-      }
+      if (n.el) { n.el.style.left = `${n.x}px`; n.el.style.top = `${n.y}px`; }
     });
     renderWires();
   }
 
   function clearSelection() {
-    selectedWireId = null;
-    selectedNodeId = null;
+    selectedWireId = null; selectedNodeId = null;
     document.querySelectorAll('.lg-node.selected').forEach(el => el.classList.remove('selected'));
     renderWires();
   }
@@ -139,22 +151,16 @@
   /* --- Logic Evaluation --- */
   function evaluateGraph(overrideInputs = null) {
     let context = {}; 
-
     Object.values(nodes).filter(n => n.type === 'INPUT').forEach(n => {
       context[n.id] = overrideInputs ? overrideInputs[n.id] : n.value;
     });
 
-    let changed = true;
-    let loops = 0;
-    
+    let changed = true; let loops = 0;
     while (changed && loops < 10) {
-      changed = false;
-      loops++;
-      
+      changed = false; loops++;
       Object.values(nodes).filter(n => n.type === 'GATE').forEach(gate => {
         let in1Conn = connections.find(c => c.toNode === gate.id && c.toPort === '1');
         let in2Conn = connections.find(c => c.toNode === gate.id && c.toPort === '2');
-
         let val1 = in1Conn ? (context[in1Conn.fromNode] || false) : false;
         let val2 = in2Conn ? (context[in2Conn.fromNode] || false) : false;
         
@@ -168,11 +174,7 @@
           case 'XOR': res = val1 !== val2; break;
           case 'XNOR': res = val1 === val2; break;
         }
-
-        if (context[gate.id] !== res) {
-          context[gate.id] = res;
-          changed = true;
-        }
+        if (context[gate.id] !== res) { context[gate.id] = res; changed = true; }
       });
     }
 
@@ -193,7 +195,6 @@
         }
       });
     }
-
     return outStates;
   }
 
@@ -205,12 +206,10 @@
     const outNodes = Object.values(nodes).filter(n => n.type === 'OUTPUT').sort((a,b) => a.label.localeCompare(b.label));
 
     if (inNodes.length === 0 || outNodes.length === 0) {
-      ttContainer.innerHTML = '<div style="padding: 16px; color: var(--muted); text-align:center;">Add inputs and outputs to generate table.</div>';
-      return;
+      ttContainer.innerHTML = '<div style="padding: 16px; color: var(--muted); text-align:center;">Add inputs and outputs to generate table.</div>'; return;
     }
     if (inNodes.length > 6) {
-      ttContainer.innerHTML = '<div style="padding: 16px; color: var(--muted); text-align:center;">Maximum 6 inputs supported.</div>';
-      return;
+      ttContainer.innerHTML = '<div style="padding: 16px; color: var(--muted); text-align:center;">Maximum 6 inputs supported.</div>'; return;
     }
 
     let html = '<table class="tt-table"><thead><tr>';
@@ -219,27 +218,16 @@
     html += '</tr></thead><tbody>';
 
     const numRows = Math.pow(2, inNodes.length);
-
     for (let i = 0; i < numRows; i++) {
       let override = {};
-      inNodes.forEach((n, idx) => {
-        override[n.id] = ((i >> (inNodes.length - 1 - idx)) & 1) === 1;
-      });
-
+      inNodes.forEach((n, idx) => { override[n.id] = ((i >> (inNodes.length - 1 - idx)) & 1) === 1; });
       let outStates = evaluateGraph(override);
 
       html += '<tr>';
-      inNodes.forEach(n => {
-        let val = override[n.id];
-        html += `<td class="${val ? 'tt-on' : ''}">${val ? 1 : 0}</td>`;
-      });
-      outNodes.forEach(n => {
-        let val = outStates[n.id];
-        html += `<td class="${val ? 'tt-on' : ''}" style="font-weight:bold;">${val ? 1 : 0}</td>`;
-      });
+      inNodes.forEach(n => { let val = override[n.id]; html += `<td class="${val ? 'tt-on' : ''}">${val ? 1 : 0}</td>`; });
+      outNodes.forEach(n => { let val = outStates[n.id]; html += `<td class="${val ? 'tt-on' : ''}" style="font-weight:bold;">${val ? 1 : 0}</td>`; });
       html += '</tr>';
     }
-
     html += '</tbody></table>';
     ttContainer.innerHTML = html;
   }
@@ -252,28 +240,22 @@
 
   /* --- Smart Label Generation --- */
   function getNextInputLabel() {
-    let charCode = 65; // Starts at 'A'
-    while (Object.values(nodes).some(n => n.type === 'INPUT' && n.label === String.fromCharCode(charCode))) {
-      charCode++;
-    }
+    let charCode = 65; 
+    while (Object.values(nodes).some(n => n.type === 'INPUT' && n.label === String.fromCharCode(charCode))) { charCode++; }
     return String.fromCharCode(charCode);
   }
 
   function getNextOutputLabel() {
     let idx = 1;
-    while (Object.values(nodes).some(n => n.type === 'OUTPUT' && n.label === ('Q' + idx))) {
-      idx++;
-    }
+    while (Object.values(nodes).some(n => n.type === 'OUTPUT' && n.label === ('Q' + idx))) { idx++; }
     return 'Q' + idx;
   }
 
   /* --- Node Creation --- */
   function createNodeElement(node) {
     const el = document.createElement('div');
-    el.className = `lg-node`;
-    el.dataset.id = node.id;
-    el.style.left = `${node.x}px`;
-    el.style.top = `${node.y}px`;
+    el.className = `lg-node`; el.dataset.id = node.id;
+    el.style.left = `${node.x}px`; el.style.top = `${node.y}px`;
 
     let innerHTML = `<div class="lg-header">${node.label}</div><div class="lg-gate-container">`;
 
@@ -281,12 +263,12 @@
       innerHTML += `
         <div class="switch" style="margin:0;"><span class="slider"></span></div>
         ${INPUT_SVG}
-        <div class="lg-port port-out" data-port="out" style="top: 25px; left: 86px;"></div>
+        <div class="lg-port" data-port="out" style="top: 25px; left: 86px;"></div>
       `;
     } 
     else if (node.type === 'OUTPUT') {
       innerHTML += `
-        <div class="lg-port port-in-1" data-port="in1" style="top: 25px; left: 0;"></div>
+        <div class="lg-port" data-port="in1" style="top: 25px; left: 0;"></div>
         ${OUTPUT_SVG}
         <div class="bulb" style="margin:0;"><svg viewBox="0 0 24 24" fill="currentColor"><path d="M12 2.25a6.75 6.75 0 0 0-6.75 6.75c0 2.537 1.393 4.75 3.493 5.922l.507.282v1.546h5.5v-1.546l.507-.282A6.75 6.75 0 0 0 12 2.25Zm-2.25 16.5v.75a2.25 2.25 0 0 0 4.5 0v-.75h-4.5Z"/></svg></div>
       `;
@@ -294,34 +276,33 @@
     else if (node.type === 'GATE') {
       const isNot = node.gateType === 'NOT';
       innerHTML += `
-        <div class="lg-port port-in-1" data-port="in1" style="top: ${isNot ? '25px' : '15px'}; left: 0;"></div>
-        ${!isNot ? `<div class="lg-port port-in-2" data-port="in2" style="top: 35px; left: 0;"></div>` : ''}
+        <div class="lg-port" data-port="in1" style="top: ${isNot ? '25px' : '15px'}; left: 0;"></div>
+        ${!isNot ? `<div class="lg-port" data-port="in2" style="top: 35px; left: 0;"></div>` : ''}
         <svg class="lg-gate-svg" viewBox="0 0 100 50">${GATE_SVGS[node.gateType]}</svg>
-        <div class="lg-port port-out" data-port="out" style="top: 25px; left: 100px;"></div>
+        <div class="lg-port" data-port="out" style="top: 25px; left: 100px;"></div>
       `;
     }
-
     innerHTML += `</div>`;
     el.innerHTML = innerHTML;
-    workspace.appendChild(el);
+    
+    viewport.appendChild(el);
     node.el = el;
 
     if (node.type === 'INPUT') {
       el.querySelector('.switch').addEventListener('click', (e) => {
         const dist = Math.hypot(e.clientX - clickStartX, e.clientY - clickStartY);
-        if (isDraggingNode || dist > 3) {
-          e.preventDefault(); 
+        if (dist > 3) {
+          e.preventDefault(); // Prevents toggle if it was a drag motion
         } else {
           node.value = !node.value;
           el.querySelector('.switch').classList.toggle('active-sim', node.value);
           el.querySelector('.slider').style.background = node.value ? 'rgba(40,240,122,.25)' : '';
           el.querySelector('.slider').style.borderColor = node.value ? 'rgba(40,240,122,.30)' : '';
-          el.querySelector('.slider').innerHTML = node.value ? `<style>#${node.id} .slider::before { transform: translateX(28px); }</style>` : '';
+          el.querySelector('.slider').innerHTML = node.value ? `<style>#logicPage [data-id="${node.id}"] .slider::before { transform: translateX(28px); }</style>` : '';
           runSimulation();
         }
       });
     }
-
     return el;
   }
 
@@ -332,7 +313,6 @@
     if (type === 'GATE') label = gateType;
 
     const id = `node_${nextNodeId++}`;
-    
     const offset = Math.floor(Math.random() * 40);
     const x = dropX !== null ? dropX : (type === 'INPUT' ? 50 : (type === 'OUTPUT' ? 600 : 300) + offset);
     const y = dropY !== null ? dropY : 150 + offset;
@@ -345,9 +325,26 @@
 
   /* --- Global Interaction Handlers --- */
 
+  // Camera Zoom Controls
+  document.getElementById("btnZoomIn")?.addEventListener('click', () => { 
+    const r = workspace.getBoundingClientRect(); zoomWorkspace(1.2, r.width/2, r.height/2); 
+  });
+  document.getElementById("btnZoomOut")?.addEventListener('click', () => { 
+    const r = workspace.getBoundingClientRect(); zoomWorkspace(1/1.2, r.width/2, r.height/2); 
+  });
+  document.getElementById("btnZoomReset")?.addEventListener('click', () => { 
+    panX = 0; panY = 0; zoom = 1; updateViewport(); 
+  });
+
+  workspace.addEventListener('wheel', (e) => {
+    e.preventDefault();
+    const wsRect = workspace.getBoundingClientRect();
+    const factor = e.deltaY < 0 ? 1.1 : (1/1.1);
+    zoomWorkspace(factor, e.clientX - wsRect.left, e.clientY - wsRect.top);
+  });
+  
   workspace.addEventListener('mousedown', (e) => {
-    clickStartX = e.clientX;
-    clickStartY = e.clientY;
+    clickStartX = e.clientX; clickStartY = e.clientY;
 
     const port = e.target.closest('.lg-port');
     if (port) {
@@ -356,11 +353,7 @@
       
       if (portId.startsWith('in')) {
         const existingIdx = connections.findIndex(c => c.toNode === nodeEl.dataset.id && c.toPort === portId.replace('in', ''));
-        if (existingIdx !== -1) {
-          connections.splice(existingIdx, 1);
-          runSimulation();
-          return; 
-        }
+        if (existingIdx !== -1) { connections.splice(existingIdx, 1); runSimulation(); return; }
       }
 
       if (portId === 'out') {
@@ -385,32 +378,41 @@
       clearSelection();
       selectedNodeId = nodeEl.dataset.id;
       nodeEl.classList.add('selected');
-
       isDraggingNode = nodeEl.dataset.id;
+      
       const rect = nodeEl.getBoundingClientRect();
-      dragOffset = { x: e.clientX - rect.left, y: e.clientY - rect.top };
+      dragOffset = { x: (e.clientX - rect.left) / zoom, y: (e.clientY - rect.top) / zoom };
       return;
     }
 
+    // Clicked empty space -> Pan Camera
     clearSelection();
+    isPanning = true;
+    panStart = { x: e.clientX - panX, y: e.clientY - panY };
   });
 
   window.addEventListener('mousemove', (e) => {
     const wsRect = workspace.getBoundingClientRect();
 
+    if (isPanning) {
+      panX = e.clientX - panStart.x;
+      panY = e.clientY - panStart.y;
+      updateViewport();
+      return;
+    }
+
     if (isDraggingNode) {
       const node = nodes[isDraggingNode];
-      let newX = e.clientX - wsRect.left - dragOffset.x;
-      let newY = e.clientY - wsRect.top - dragOffset.y;
-      node.x = Math.max(10, Math.min(newX, wsRect.width - 80));
-      node.y = Math.max(20, Math.min(newY, wsRect.height - 60));
+      let newX = (e.clientX - wsRect.left - panX) / zoom - dragOffset.x;
+      let newY = (e.clientY - wsRect.top - panY) / zoom - dragOffset.y;
+      node.x = newX; node.y = newY;
       updateNodePositions();
     }
 
     if (wiringStart) {
       tempWirePath = { 
-        x: e.clientX - wsRect.left, 
-        y: e.clientY - wsRect.top 
+        x: (e.clientX - wsRect.left - panX) / zoom, 
+        y: (e.clientY - wsRect.top - panY) / zoom 
       };
       renderWires();
     }
@@ -418,6 +420,7 @@
 
   window.addEventListener('mouseup', (e) => {
     isDraggingNode = null;
+    isPanning = false;
 
     if (wiringStart) {
       const port = e.target.closest('.lg-port');
@@ -427,18 +430,10 @@
 
         if (targetNodeId !== wiringStart.node) {
           connections = connections.filter(c => !(c.toNode === targetNodeId && c.toPort === targetPortId));
-          
-          connections.push({
-            id: `conn_${nextWireId++}`,
-            fromNode: wiringStart.node,
-            fromPort: 'out',
-            toNode: targetNodeId,
-            toPort: targetPortId
-          });
+          connections.push({ id: `conn_${nextWireId++}`, fromNode: wiringStart.node, fromPort: 'out', toNode: targetNodeId, toPort: targetPortId });
         }
       }
-      wiringStart = null;
-      tempWirePath = null;
+      wiringStart = null; tempWirePath = null;
       runSimulation();
     }
   });
@@ -448,17 +443,15 @@
     if (e.key === 'Delete' || e.key === 'Backspace') {
       if (selectedWireId) {
         connections = connections.filter(c => c.id !== selectedWireId);
-        clearSelection();
-        runSimulation();
+        clearSelection(); runSimulation();
       } 
       else if (selectedNodeId) {
         connections = connections.filter(c => c.fromNode !== selectedNodeId && c.toNode !== selectedNodeId);
         if (nodes[selectedNodeId] && nodes[selectedNodeId].el) {
-          workspace.removeChild(nodes[selectedNodeId].el);
+          viewport.removeChild(nodes[selectedNodeId].el);
         }
         delete nodes[selectedNodeId];
-        clearSelection();
-        runSimulation();
+        clearSelection(); runSimulation();
       }
     }
   });
@@ -471,17 +464,16 @@
     if (spawnType) {
       const gateType = e.dataTransfer.getData('gateType');
       const wsRect = workspace.getBoundingClientRect();
-      const x = e.clientX - wsRect.left - 40; 
-      const y = e.clientY - wsRect.top - 30;
+      const x = (e.clientX - wsRect.left - panX) / zoom - 40; 
+      const y = (e.clientY - wsRect.top - panY) / zoom - 30;
       spawnNode(spawnType, gateType || null, x, y);
     }
   });
 
   /* --- Init --- */
   btnClearBoard?.addEventListener('click', () => {
-    workspace.querySelectorAll('.lg-node').forEach(el => el.remove());
-    nodes = {};
-    connections = [];
+    viewport.querySelectorAll('.lg-node').forEach(el => el.remove());
+    nodes = {}; connections = [];
     runSimulation();
   });
 
@@ -493,5 +485,4 @@
   });
 
   initToolbox();
-  // Starts completely blank as requested!
 })();

src/scripts/pcBuilder.js

@@ -0,0 +1,423 @@
+// src/scripts/pcBuilder.js
+// Computing:Box — Advanced PC Sandbox
+
+(() => {
+  const workspace = document.getElementById("workspace");
+  const viewport = document.getElementById("viewport");
+  const wireLayer = document.getElementById("wireLayer");
+  const specsContainer = document.getElementById("buildSpecsContainer");
+  const toolboxGrid = document.getElementById("toolboxGrid");
+  const btnClearBoard = document.getElementById("btnClearBoard");
+  const toolboxToggle = document.getElementById("toolboxToggle");
+  const pcPage = document.getElementById("pcPage");
+
+  /* --- Extensive PC Component Library --- */
+  const PC_PARTS = {
+    'CASE': {
+      name: 'ATX PC Case', w: 600, h: 550, z: 5, ports: [],
+      slots: {
+        'MB1': { x: 20, y: 20, accepts: 'MB' },
+        'PSU1': { x: 20, y: 440, accepts: 'PSU' },
+        'HDD1': { x: 440, y: 20, accepts: 'HDD' },
+        'HDD2': { x: 440, y: 170, accepts: 'HDD' },
+        'SATA_SSD1': { x: 440, y: 320, accepts: 'SATA_SSD' },
+        'SATA_SSD2': { x: 440, y: 400, accepts: 'SATA_SSD' }
+      },
+      svg: `<rect width="600" height="550" fill="#15171c" rx="10" stroke="#333" stroke-width="4"/><rect x="20" y="20" width="380" height="400" fill="none" stroke="#222" stroke-width="2"/><rect x="20" y="440" width="180" height="90" fill="none" stroke="#222" stroke-width="2"/><rect x="440" y="20" width="140" height="510" fill="none" stroke="#222" stroke-width="2"/>`
+    },
+    'MB': {
+      name: 'Motherboard', w: 360, h: 400, z: 10,
+      ports: [
+        { id: 'atx_pwr', x: 340, y: 150 }, { id: 'sata1', x: 340, y: 300 }, { id: 'sata2', x: 340, y: 330 },
+        { id: 'usb1', x: 10, y: 40 }, { id: 'usb2', x: 10, y: 70 }, { id: 'usb3', x: 10, y: 100 }, { id: 'usb4', x: 10, y: 130 },
+        { id: 'audio', x: 10, y: 170 }, { id: 'disp', x: 10, y: 210 }
+      ],
+      slots: {
+        'CPU1': { x: 120, y: 40, accepts: 'CPU' },
+        'COOLER1': { x: 100, y: 20, accepts: 'COOLER' }, 
+        'RAM1': { x: 230, y: 30, accepts: 'RAM' }, 'RAM2': { x: 250, y: 30, accepts: 'RAM' }, 
+        'RAM3': { x: 270, y: 30, accepts: 'RAM' }, 'RAM4': { x: 290, y: 30, accepts: 'RAM' },
+        'M2_1': { x: 120, y: 170, accepts: 'M2_SSD' }, 'M2_2': { x: 120, y: 250, accepts: 'M2_SSD' },
+        'PCIE1': { x: 40, y: 200, accepts: 'GPU' }, 'PCIE2': { x: 40, y: 300, accepts: 'GPU' }
+      },
+      // Uses a lighter slate grey #2C303A to stand out from the case
+      svg: `<rect width="360" height="400" fill="#2C303A" rx="8" stroke="#4b5060" stroke-width="3"/><rect x="120" y="40" width="80" height="80" fill="#1f2229" stroke="#4b5060"/><rect x="230" y="30" width="15" height="100" fill="#1f2229"/><rect x="250" y="30" width="15" height="100" fill="#1f2229"/><rect x="270" y="30" width="15" height="100" fill="#1f2229"/><rect x="290" y="30" width="15" height="100" fill="#1f2229"/><rect x="40" y="200" width="280" height="15" fill="#15171c"/><rect x="40" y="300" width="280" height="15" fill="#15171c"/><rect x="120" y="170" width="80" height="15" fill="#1f2229"/><rect x="120" y="250" width="80" height="15" fill="#1f2229"/>`
+    },
+    'CPU': { name: 'Processor', w: 80, h: 80, z: 20, ports: [], slots: {}, svg: `<rect width="80" height="80" fill="#0b381a"/><rect x="10" y="10" width="60" height="60" rx="4" fill="#d4d4d4"/><polygon points="5,75 15,75 5,65" fill="#ffd700"/><text x="40" y="45" fill="#555" font-family="sans-serif" font-size="14" font-weight="bold" text-anchor="middle">CPU</text>` },
+    'COOLER': { name: 'CPU Fan', w: 120, h: 120, z: 30, ports: [], slots: {}, svg: `<rect width="120" height="120" rx="60" fill="#1a1c23" stroke="#aaa" stroke-width="3"/><circle cx="60" cy="60" r="50" fill="#111"/><path d="M60,15 A45,45 0 0,1 105,60 L60,60 Z" fill="#444"/><path d="M105,60 A45,45 0 0,1 60,105 L60,60 Z" fill="#555"/><path d="M60,105 A45,45 0 0,1 15,60 L60,60 Z" fill="#444"/><path d="M15,60 A45,45 0 0,1 60,15 L60,60 Z" fill="#555"/><circle cx="60" cy="60" r="20" fill="#222"/>` },
+    'RAM': { name: 'DDR4 Memory', w: 15, h: 100, z: 20, ports: [], slots: {}, svg: `<rect width="15" height="100" fill="#111"/><rect x="2" y="5" width="11" height="80" fill="#2a2a2a"/><rect x="0" y="90" width="15" height="10" fill="#ffd700"/>` },
+    'GPU': { name: 'Graphics Card', w: 280, h: 60, z: 40, slots: {}, ports: [{ id: 'pwr_in', x: 270, y: 10 }, { id: 'disp_out', x: 10, y: 30 }], svg: `<rect width="280" height="60" rx="5" fill="#1a1a1a"/><circle cx="70" cy="30" r="22" fill="#111" stroke="#333" stroke-width="2"/><circle cx="140" cy="30" r="22" fill="#111" stroke="#333" stroke-width="2"/><circle cx="210" cy="30" r="22" fill="#111" stroke="#333" stroke-width="2"/><rect x="20" y="55" width="80" height="5" fill="#ffd700"/>` },
+    'M2_SSD': { name: 'M.2 NVMe SSD', w: 80, h: 15, z: 20, ports: [], slots: {}, svg: `<rect width="80" height="15" rx="1" fill="#000"/><rect x="10" y="2" width="20" height="11" fill="#1a1a1a"/><rect x="35" y="2" width="20" height="11" fill="#1a1a1a"/><rect x="60" y="2" width="10" height="11" fill="#ccc"/><rect x="0" y="0" width="4" height="15" fill="#ffd700"/>` },
+    'SATA_SSD': { name: '2.5" SATA SSD', w: 100, h: 70, z: 20, slots: {}, ports: [{id:'data', x:90, y:20}, {id:'pwr', x:90, y:50}], svg: `<rect width="100" height="70" fill="#111" rx="4" stroke="#444"/><rect x="10" y="10" width="80" height="50" fill="#1a1a1a" rx="2" stroke="#222"/><text x="50" y="40" fill="#888" font-family="sans-serif" font-size="14" font-weight="bold" text-anchor="middle">SSD</text>` },
+    'HDD': { name: '3.5" Mech HDD', w: 120, h: 140, z: 20, slots: {}, ports: [{id:'data', x:110, y:20}, {id:'pwr', x:110, y:120}], svg: `<rect width="120" height="140" fill="#d0d0d0" rx="4" stroke="#888"/><rect x="10" y="10" width="100" height="100" fill="#e0e0e0" rx="50"/><circle cx="60" cy="60" r="35" fill="#ddd" stroke="#aaa"/><circle cx="60" cy="60" r="10" fill="#999"/><rect x="30" y="120" width="60" height="10" fill="#111"/>` },
+    'PSU': { name: 'Power Supply', w: 160, h: 90, z: 20, slots: {}, ports: [{id:'out1',x:150,y:20}, {id:'out2',x:150,y:40}, {id:'out3',x:150,y:60}, {id:'out4',x:150,y:80}], svg: `<rect width="160" height="90" rx="4" fill="#1a1a1a" stroke="#333" stroke-width="2"/><circle cx="80" cy="45" r="35" fill="#0a0a0a" stroke="#222" stroke-width="2"/><line x1="80" y1="10" x2="80" y2="80" stroke="#333" stroke-width="2"/><line x1="45" y1="45" x2="115" y2="45" stroke="#333" stroke-width="2"/><circle cx="80" cy="45" r="10" fill="#222"/>` },
+    'MONITOR': { name: 'Monitor', w: 240, h: 160, z: 30, slots: {}, ports: [{id:'disp', x:120, y:140}], svg: `<rect width="240" height="160" fill="#111" rx="5"/><rect x="10" y="10" width="220" height="120" fill="#000"/><rect x="100" y="140" width="40" height="20" fill="#222"/><rect x="60" y="150" width="120" height="10" fill="#222"/>` },
+    'KEYBOARD': { name: 'Keyboard', w: 180, h: 60, z: 30, slots: {}, ports: [{id:'usb', x:90, y:10}], svg: `<rect width="180" height="60" fill="#111" rx="3"/><rect x="5" y="5" width="170" height="50" fill="#222" rx="2" stroke="#333" stroke-dasharray="8 8"/>` },
+    'MOUSE': { name: 'Mouse', w: 30, h: 50, z: 30, slots: {}, ports: [{id:'usb', x:15, y:5}], svg: `<rect width="30" height="50" fill="#111" rx="15"/><line x1="15" y1="0" x2="15" y2="20" stroke="#333" stroke-width="2"/><circle cx="15" cy="15" r="4" fill="#333"/>` },
+    'SPEAKER': { name: 'Speakers', w: 40, h: 80, z: 30, slots: {}, ports: [{id:'audio', x:20, y:10}], svg: `<rect width="40" height="80" fill="#111" rx="4"/><circle cx="20" cy="25" r="12" fill="#222"/><circle cx="20" cy="60" r="16" fill="#222"/>` }
+  };
+
+  let nodes = {}; 
+  let connections = []; 
+  let nextNodeId = 1, nextWireId = 1;
+
+  let isDraggingNode = null, dragOffset = { x: 0, y: 0 };
+  let wiringStart = null, tempWirePath = null;
+  let selectedWireId = null, selectedNodeId = null;
+
+  let panX = 0, panY = 0, zoom = 1;
+  let isPanning = false, panStart = { x: 0, y: 0 };
+
+  /* --- Setup Toolbox --- */
+  function initToolbox() {
+    if(!toolboxGrid) return;
+    let html = '';
+    Object.keys(PC_PARTS).forEach(partKey => {
+      html += `
+        <div draggable="true" data-spawn="${partKey}" class="drag-item tb-icon-box" title="${PC_PARTS[partKey].name}">
+           <svg viewBox="0 0 ${PC_PARTS[partKey].w} ${PC_PARTS[partKey].h}" style="max-width:80%; max-height:40px; pointer-events:none;">${PC_PARTS[partKey].svg}</svg>
+           <div class="tb-icon-label">${partKey}</div>
+        </div>
+      `;
+    });
+    toolboxGrid.innerHTML = html;
+    document.querySelectorAll('.drag-item').forEach(item => {
+      item.addEventListener('dragstart', (e) => { e.dataTransfer.setData('spawnType', item.dataset.spawn); });
+    });
+  }
+
+  /* --- Camera Math --- */
+  function updateViewport() {
+    viewport.style.transform = `translate(${panX}px, ${panY}px) scale(${zoom})`;
+    workspace.style.backgroundSize = `${32 * zoom}px ${32 * zoom}px`;
+    workspace.style.backgroundPosition = `${panX}px ${panY}px`;
+  }
+  function zoomWorkspace(factor, mouseX, mouseY) {
+    const newZoom = Math.min(Math.max(0.1, zoom * factor), 2);
+    panX = mouseX - (mouseX - panX) * (newZoom / zoom);
+    panY = mouseY - (mouseY - panY) * (newZoom / zoom);
+    zoom = newZoom; updateViewport();
+  }
+  function getPortCoords(nodeId, portDataAttr) {
+    const node = nodes[nodeId];
+    if (!node || !node.el) return {x:0, y:0};
+    const portEl = node.el.querySelector(`[data-port="${portDataAttr}"]`);
+    if (!portEl) return {x:0, y:0};
+    const wsRect = workspace.getBoundingClientRect();
+    const portRect = portEl.getBoundingClientRect();
+    return {
+      x: (portRect.left - wsRect.left - panX + portRect.width / 2) / zoom,
+      y: (portRect.top - wsRect.top - panY + portRect.height / 2) / zoom
+    };
+  }
+  function drawBezier(x1, y1, x2, y2) {
+    const cpDist = Math.abs(x2 - x1) * 0.6 + 20; 
+    return `M ${x1} ${y1} C ${x1 + cpDist} ${y1}, ${x2 - cpDist} ${y2}, ${x2} ${y2}`;
+  }
+
+  /* --- Rendering --- */
+  function renderWires() {
+    let svgHTML = '';
+    connections.forEach(conn => {
+      const from = getPortCoords(conn.fromNode, conn.fromPort);
+      const to = getPortCoords(conn.toNode, conn.toPort);
+      const isSelected = conn.id === selectedWireId;
+      svgHTML += `<path class="pb-wire active ${isSelected ? 'selected' : ''}" d="${drawBezier(from.x, from.y, to.x, to.y)}" data-conn-id="${conn.id}" />`;
+    });
+    if (wiringStart && tempWirePath) {
+      svgHTML += `<path class="pb-wire pb-wire-temp" d="${drawBezier(wiringStart.x, wiringStart.y, tempWirePath.x, tempWirePath.y)}" />`;
+    }
+    wireLayer.innerHTML = svgHTML;
+  }
+
+  function updateNodePositions() {
+    Object.values(nodes).forEach(n => {
+      if (n.el) { n.el.style.left = `${n.x}px`; n.el.style.top = `${n.y}px`; }
+    });
+    renderWires();
+  }
+
+  function clearSelection() {
+    selectedWireId = null; selectedNodeId = null;
+    document.querySelectorAll('.pb-node.selected').forEach(el => el.classList.remove('selected'));
+    renderWires();
+  }
+
+  /* --- Seven-Segment Diagnostics Engine --- */
+  function evaluateBuild() {
+    if(!specsContainer) return;
+
+    let hasCase = false, hasMB = false, hasCPU = false, hasCooler = false, hasRAM = false, hasPSU = false;
+    let hasStorage = false, hasGPU = false;
+    let mbPwr = false, gpuPwr = false;
+    let usbCount = 0, dispConn = false, audConn = false;
+
+    let caseNode = Object.values(nodes).find(n => n.type === 'CASE');
+    let mbNode = Object.values(nodes).find(n => n.type === 'MB');
+    
+    if (caseNode) {
+      hasCase = true;
+      if (caseNode.slots['MB1']) hasMB = true;
+      if (caseNode.slots['PSU1']) hasPSU = true;
+      if (caseNode.slots['HDD1'] || caseNode.slots['HDD2'] || caseNode.slots['SATA_SSD1'] || caseNode.slots['SATA_SSD2']) hasStorage = true;
+    } else if (mbNode) {
+      hasMB = true; // Motherboard exists outside case
+    }
+
+    if (mbNode) {
+      if (mbNode.slots['CPU1']) hasCPU = true;
+      if (mbNode.slots['COOLER1']) hasCooler = true;
+      if (mbNode.slots['RAM1'] || mbNode.slots['RAM2'] || mbNode.slots['RAM3'] || mbNode.slots['RAM4']) hasRAM = true;
+      if (mbNode.slots['PCIE1'] || mbNode.slots['PCIE2']) hasGPU = true;
+      if (mbNode.slots['M2_1'] || mbNode.slots['M2_2']) hasStorage = true;
+    }
+
+    // Check Cables
+    connections.forEach(c => {
+      let n1 = nodes[c.fromNode], n2 = nodes[c.toNode];
+      if(!n1 || !n2) return;
+      let types = [n1.type, n2.type];
+      
+      if(types.includes('MB') && types.includes('PSU')) mbPwr = true;
+      if(types.includes('GPU') && types.includes('PSU')) gpuPwr = true;
+      if(types.includes('MB') && ['KEYBOARD','MOUSE','WEBCAM','MIC','PRINTER'].some(t => types.includes(t))) usbCount++;
+      if(types.includes('MB') && types.includes('SPEAKER')) audConn = true;
+      if((types.includes('MB') || types.includes('GPU')) && types.includes('MONITOR')) dispConn = true;
+    });
+
+    const isBootable = (hasMB && hasCPU && hasCooler && hasRAM && hasPSU && hasStorage && mbPwr && (hasGPU ? gpuPwr : true) && dispConn);
+
+    specsContainer.innerHTML = `
+      <div class="diag-cat">Core System</div>
+      <div class="diag-row"><span>CHASSIS</span><span style="color: ${hasCase ? '#28f07a' : '#ff5555'}">${hasCase ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>MOTHERBOARD</span><span style="color: ${hasMB ? '#28f07a' : '#ff5555'}">${hasMB ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>CPU</span><span style="color: ${hasCPU ? '#28f07a' : '#ff5555'}">${hasCPU ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>COOLING</span><span style="color: ${hasCooler ? '#28f07a' : '#ff5555'}">${hasCooler ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>MEMORY</span><span style="color: ${hasRAM ? '#28f07a' : '#ff5555'}">${hasRAM ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>POWER SPLY</span><span style="color: ${hasPSU ? '#28f07a' : '#ff5555'}">${hasPSU ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-cat">Connections</div>
+      <div class="diag-row"><span>MB POWER</span><span style="color: ${mbPwr ? '#28f07a' : '#ff5555'}">${mbPwr ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>STORAGE</span><span style="color: ${hasStorage ? '#28f07a' : '#ff5555'}">${hasStorage ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>GPU POWER</span><span style="color: ${!hasGPU ? '#888' : (gpuPwr ? '#28f07a' : '#ff5555')}">${!hasGPU ? 'N/A' : (gpuPwr ? 'OK' : 'ERR')}</span></div>
+      <div class="diag-row"><span>DISPLAY</span><span style="color: ${dispConn ? '#28f07a' : '#ff5555'}">${dispConn ? 'OK' : 'ERR'}</span></div>
+      <div class="diag-row"><span>USB DEVS</span><span style="color: #55aaff">${usbCount}</span></div>
+      <hr style="border-color: rgba(255,255,255,0.1); margin: 12px 0 8px 0;">
+      <div style="text-align:center; font-size: 28px; color: ${isBootable ? '#28f07a' : '#ff5555'}; font-family: var(--bit-font); letter-spacing: 2px;">
+        ${isBootable ? 'BOOTING...' : 'HALTED'}
+      </div>
+    `;
+  }
+
+  /* --- Node Creation & Snapping --- */
+  function createNodeElement(node) {
+    const el = document.createElement('div');
+    el.className = `pb-node`; el.dataset.id = node.id;
+    el.style.left = `${node.x}px`; el.style.top = `${node.y}px`;
+    el.style.width = `${PC_PARTS[node.type].w}px`; el.style.height = `${PC_PARTS[node.type].h}px`;
+    el.style.zIndex = PC_PARTS[node.type].z;
+
+    let innerHTML = `<svg class="pb-part-svg" viewBox="0 0 ${PC_PARTS[node.type].w} ${PC_PARTS[node.type].h}">${PC_PARTS[node.type].svg}</svg>`;
+    PC_PARTS[node.type].ports.forEach(p => {
+      innerHTML += `<div class="pb-port" data-port="${p.id}" style="left: ${p.x}px; top: ${p.y}px;"></div>`;
+    });
+    
+    // Debug Labels for bare parts
+    if(node.type !== 'CASE' && node.type !== 'MB') {
+       innerHTML += `<div style="position:absolute; top:-20px; font-family:var(--ui-font); font-size:12px; color:var(--muted);">${node.type}</div>`;
+    }
+
+    el.innerHTML = innerHTML;
+    viewport.appendChild(el);
+    node.el = el;
+    return el;
+  }
+
+  function spawnNode(type, dropX = null, dropY = null) {
+    const id = `node_${nextNodeId++}`;
+    const x = dropX !== null ? dropX : 300 + Math.random()*40;
+    const y = dropY !== null ? dropY : 150 + Math.random()*40;
+
+    const node = { id, type, x, y, snappedTo: null, el: null };
+    if (PC_PARTS[type].slots) node.slots = { ...PC_PARTS[type].slots }; // Copy slots schema, values will be filled with IDs
+    
+    // Reset slot values to null
+    if(node.slots) {
+       for(let k in node.slots) { node.slots[k] = null; }
+    }
+
+    nodes[id] = node;
+    createNodeElement(node);
+    evaluateBuild();
+  }
+
+  // Recursive movement to handle nested snaps (MB inside CASE inside ...)
+  function moveNodeRecursive(nodeId, dx, dy) {
+    const n = nodes[nodeId];
+    if(!n) return;
+    n.x += dx; n.y += dy;
+    if(n.slots) {
+       Object.keys(n.slots).forEach(k => {
+          if(typeof n.slots[k] === 'string') moveNodeRecursive(n.slots[k], dx, dy);
+       });
+    }
+  }
+
+  /* --- Inspect Mode --- */
+  let inspectZoom = 1, inspectRotX = 0, inspectRotY = 0;
+  workspace.addEventListener('dblclick', (e) => {
+    const nodeEl = e.target.closest('.pb-node');
+    if (nodeEl) {
+      const node = nodes[nodeEl.dataset.id];
+      document.getElementById('inspectModal').classList.add('active');
+      document.getElementById('inspectObject').innerHTML = `<svg viewBox="0 0 ${PC_PARTS[node.type].w} ${PC_PARTS[node.type].h}" style="width:100%; height:100%;">${PC_PARTS[node.type].svg}</svg>`;
+      document.getElementById('inspectName').innerText = PC_PARTS[node.type].name;
+      inspectZoom = 1.5; inspectRotX = 0; inspectRotY = 0; updateInspectTransform(); clearSelection();
+    }
+  });
+  document.getElementById('inspectStage')?.addEventListener('mousemove', (e) => {
+    const rect = e.currentTarget.getBoundingClientRect();
+    inspectRotY = (e.clientX - rect.left - rect.width/2) / 5;
+    inspectRotX = -(e.clientY - rect.top - rect.height/2) / 5;
+    updateInspectTransform();
+  });
+  document.getElementById('inspectStage')?.addEventListener('wheel', (e) => {
+    e.preventDefault(); inspectZoom += e.deltaY < 0 ? 0.1 : -0.1;
+    inspectZoom = Math.max(0.5, Math.min(inspectZoom, 4)); updateInspectTransform();
+  });
+  function updateInspectTransform() { const obj = document.getElementById('inspectObject'); if(obj) obj.style.transform = `scale(${inspectZoom}) rotateX(${inspectRotX}deg) rotateY(${inspectRotY}deg)`; }
+  document.getElementById('inspectClose')?.addEventListener('click', () => { document.getElementById('inspectModal').classList.remove('active'); });
+
+  /* --- Interaction --- */
+  document.getElementById("btnZoomIn")?.addEventListener('click', () => { const r = workspace.getBoundingClientRect(); zoomWorkspace(1.2, r.width/2, r.height/2); });
+  document.getElementById("btnZoomOut")?.addEventListener('click', () => { const r = workspace.getBoundingClientRect(); zoomWorkspace(1/1.2, r.width/2, r.height/2); });
+  document.getElementById("btnZoomReset")?.addEventListener('click', () => { panX = 0; panY = 0; zoom = 1; updateViewport(); });
+
+  workspace.addEventListener('wheel', (e) => { e.preventDefault(); const wsRect = workspace.getBoundingClientRect(); zoomWorkspace(e.deltaY < 0 ? 1.1 : (1/1.1), e.clientX - wsRect.left, e.clientY - wsRect.top); });
+  
+  workspace.addEventListener('mousedown', (e) => {
+    const port = e.target.closest('.pb-port');
+    if (port) {
+      const nodeEl = port.closest('.pb-node');
+      const portId = port.dataset.port;
+      const existingIdx = connections.findIndex(c => (c.toNode === nodeEl.dataset.id && c.toPort === portId) || (c.fromNode === nodeEl.dataset.id && c.fromPort === portId));
+      if (existingIdx !== -1) { connections.splice(existingIdx, 1); evaluateBuild(); renderWires(); return; }
+      const coords = getPortCoords(nodeEl.dataset.id, portId);
+      wiringStart = { node: nodeEl.dataset.id, port: portId, x: coords.x, y: coords.y };
+      tempWirePath = { x: coords.x, y: coords.y }; return;
+    }
+
+    const wire = e.target.closest('.pb-wire');
+    if (wire && wire.dataset.connId) { clearSelection(); selectedWireId = wire.dataset.connId; renderWires(); e.stopPropagation(); return; }
+
+    const nodeEl = e.target.closest('.pb-node');
+    if (nodeEl) {
+      clearSelection(); selectedNodeId = nodeEl.dataset.id; nodeEl.classList.add('selected'); isDraggingNode = nodeEl.dataset.id;
+      const rect = nodeEl.getBoundingClientRect(); dragOffset = { x: (e.clientX - rect.left) / zoom, y: (e.clientY - rect.top) / zoom };
+
+      // Unsnap from parent when picked up
+      const node = nodes[isDraggingNode];
+      if (node.snappedTo) {
+        const parent = nodes[node.snappedTo.id];
+        if (parent && parent.slots[node.snappedTo.key] === node.id) parent.slots[node.snappedTo.key] = null; 
+        node.snappedTo = null;
+        node.el.style.zIndex = PC_PARTS[node.type].z; // Reset Z
+        evaluateBuild();
+      }
+      return;
+    }
+
+    clearSelection(); isPanning = true; panStart = { x: e.clientX - panX, y: e.clientY - panY };
+  });
+
+  window.addEventListener('mousemove', (e) => {
+    const wsRect = workspace.getBoundingClientRect();
+    if (isPanning) { panX = e.clientX - panStart.x; panY = e.clientY - panStart.y; updateViewport(); return; }
+    if (isDraggingNode) {
+      const node = nodes[isDraggingNode];
+      let newX = (e.clientX - wsRect.left - panX) / zoom - dragOffset.x;
+      let newY = (e.clientY - wsRect.top - panY) / zoom - dragOffset.y;
+      moveNodeRecursive(node.id, newX - node.x, newY - node.y);
+      updateNodePositions();
+    }
+    if (wiringStart) { tempWirePath = { x: (e.clientX - wsRect.left - panX) / zoom, y: (e.clientY - wsRect.top - panY) / zoom }; renderWires(); }
+  });
+
+  window.addEventListener('mouseup', (e) => {
+    if (isDraggingNode) {
+      const node = nodes[isDraggingNode];
+      let snapped = false;
+
+      // Check all other nodes for compatible slots
+      Object.values(nodes).forEach(target => {
+        if (target.slots && !snapped && target.id !== node.id) {
+           for(let slotKey in target.slots) {
+              let slotDef = PC_PARTS[target.type].slots[slotKey];
+              if(slotDef.accepts === node.type && target.slots[slotKey] === null) {
+                  let tX = target.x + slotDef.x; let tY = target.y + slotDef.y;
+                  if (Math.hypot(node.x - tX, node.y - tY) < 80) { 
+                      moveNodeRecursive(node.id, tX - node.x, tY - node.y);
+                      node.snappedTo = { id: target.id, key: slotKey };
+                      target.slots[slotKey] = node.id;
+                      node.el.style.zIndex = PC_PARTS[target.type].z + 5; // Layer above parent
+                      snapped = true; break;
+                  }
+              }
+           }
+        }
+      });
+      isDraggingNode = null; updateNodePositions(); evaluateBuild(); 
+    }
+    
+    if (wiringStart) {
+      const port = e.target.closest('.pb-port');
+      if (port) {
+        const targetNodeId = port.closest('.pb-node').dataset.id;
+        const targetPortId = port.dataset.port;
+        if (targetNodeId !== wiringStart.node) { connections.push({ id: `conn_${nextWireId++}`, fromNode: wiringStart.node, fromPort: wiringStart.port, toNode: targetNodeId, toPort: targetPortId }); }
+      }
+      wiringStart = null; tempWirePath = null; evaluateBuild(); renderWires();
+    }
+    isPanning = false;
+  });
+
+  /* --- Deletion (Recursive) --- */
+  function deleteNodeRecursive(id) {
+      const n = nodes[id]; if(!n) return;
+      if(n.slots) { Object.keys(n.slots).forEach(k => { if(typeof n.slots[k] === 'string') deleteNodeRecursive(n.slots[k]); }); }
+      if(n.snappedTo) { const p = nodes[n.snappedTo.id]; if(p) p.slots[n.snappedTo.key] = null; }
+      connections = connections.filter(c => c.fromNode !== id && c.toNode !== id);
+      viewport.removeChild(n.el); delete nodes[id];
+  }
+
+  window.addEventListener('keydown', (e) => {
+    if ((e.key === 'Delete' || e.key === 'Backspace') && selectedNodeId) {
+      deleteNodeRecursive(selectedNodeId); clearSelection(); evaluateBuild(); renderWires();
+    }
+    if ((e.key === 'Delete' || e.key === 'Backspace') && selectedWireId) {
+      connections = connections.filter(c => c.id !== selectedWireId); clearSelection(); evaluateBuild(); renderWires();
+    }
+  });
+
+  workspace.addEventListener('dragover', (e) => { e.preventDefault(); });
+  workspace.addEventListener('drop', (e) => {
+    e.preventDefault();
+    const type = e.dataTransfer.getData('spawnType');
+    if (type) {
+      const r = workspace.getBoundingClientRect();
+      spawnNode(type, (e.clientX - r.left - panX) / zoom - (PC_PARTS[type].w / 2), (e.clientY - r.top - panY) / zoom - (PC_PARTS[type].h / 2));
+    }
+  });
+
+  btnClearBoard?.addEventListener('click', () => {
+    viewport.querySelectorAll('.pb-node').forEach(el => el.remove());
+    nodes = {}; connections = []; evaluateBuild(); renderWires();
+  });
+
+  toolboxToggle?.addEventListener("click", () => {
+    const c = pcPage?.classList.contains("toolboxCollapsed");
+    pcPage.classList.toggle("toolboxCollapsed", !c);
+    toolboxToggle?.setAttribute("aria-expanded", c ? "true" : "false");
+  });
+
+  initToolbox(); evaluateBuild();
+})();

src/styles/global.css

@@ -23,10 +23,10 @@
   --text: #e8e8ee;
   --muted: #a9acb8;
   --line: rgba(255,255,255,.10);
-  
-  --ui-font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
-  --num-font: "DSEG7Classic", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
+  --accent: #28f07a;
+  --ui-font: "Inter", system-ui, -apple-system, sans-serif;
   --bit-font: "SevenSegment", monospace;
+  --num-font:  "DSEG7Classic"
 }
 
 * { box-sizing: border-box; }
@@ -34,8 +34,8 @@ html, body { height: 100%; }
 body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--ui-font); display: flex; flex-direction: column; }
 
 /* --- BASE LAYOUT --- */
-.siteNav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); background: rgba(0,0,0,.10); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
-.navInner { height: 100%; max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
+.siteNav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); background: rgba(0,0,0,.10); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); margin-bottom: 25px; }
+.navInner { height: 90px; max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
 .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
 .brandLogo { width: 2.5em; height: 2.5em; image-rendering: pixelated; }
 .brandName { letter-spacing: .12em; font-weight: 900; font-size: 18px; }
@@ -188,3 +188,41 @@ body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--
 
 @media (max-width: 1100px) { .binaryPage { --toolbox-w: 330px; } .denaryValue { font-size: 48px; }  .hexValue { font-size: 40px; } .binaryValue { font-size: 32px; } }
 @media (max-width: 900px) { .binaryPage { --toolbox-w: 320px; } .bitsGrid { grid-template-columns: repeat(var(--cols), minmax(84px, 1fr)); } .hexGrid { grid-template-columns: repeat(var(--cols), minmax(130px, 1fr)); } }
+
+.cc-sa:before {
+  background-image: url(https://creativecommons.org/wp-content/themes/vocabulary-theme/vocabulary/svg/cc/icons/cc-icons.svg#cc-sa);
+  float: left;
+  margin-left: -2.5em;
+  filter: invert(100%);
+}
+
+.cc-nc:before {
+  background-image: url(https://creativecommons.org/wp-content/themes/vocabulary-theme/vocabulary/svg/cc/icons/cc-icons.svg#cc-nc);
+  float: left;
+  margin-left: -2.5em;
+  filter: invert(100%);
+}
+
+.cc-by:before {
+  background-image: url(https://creativecommons.org/wp-content/themes/vocabulary-theme/vocabulary/svg/cc/icons/cc-icons.svg#cc-by);
+  float: left;
+  margin-left: -2.5em;
+  filter: invert(100%);
+}
+
+.cc-terms ul > li {
+  padding-left: 2.5em;
+  clear: both;
+  list-style: none;
+  margin-bottom: 2em;
+  min-height: 2em;
+}
+
+.cc-terms ul {
+  padding: 0;
+  font-size: 1.5rem;
+  font-style: normal;
+  font-weight: 400;
+  line-height: 150%;
+  margin: 0 0 2em 2em;
+}

src/styles/logic-gates.css

@@ -1,161 +1,109 @@
 /* === FULL PAGE OVERRIDES FOR LOGIC GATES === */
-body:has(#logicPage) {
-  overflow: hidden; /* Prevents the entire page from scrolling */
-}
-
+body:has(#logicPage) { overflow: hidden; }
 body:has(#logicPage) .pageWrap {
-  max-width: 100% !important; /* Forces edge-to-edge canvas */
+  max-width: 100% !important;
   padding: 0 !important;
   margin: 0 !important;
   height: calc(100vh - var(--nav-h));
   display: flex;
   flex-direction: column;
 }
-
-#logicPage {
-  padding: 0 !important; /* CRITICAL: Stops the page/header from shifting when toolbox opens */
-  margin: 0 !important;
-}
+#logicPage { padding: 0 !important; margin: 0 !important; }
 
 /* === MAIN CONTAINER === */
 .lg-container {
-  flex: 1;
-  display: flex;
-  flex-direction: column;
-  position: relative;
-  width: 100%;
-  height: 100%;
-  overflow: hidden;
+  flex: 1; display: flex; flex-direction: column; position: relative;
+  width: 100%; height: 100%; overflow: hidden;
 }
 
-/* === FIXED HEADER (Ultra Compact) === */
+/* === FIXED HEADER === */
 .lg-top-header {
-  width: 100%;
-  text-align: center;
-  padding: 8px 20px 8px; /* Extremely tight padding to maximize canvas */
-  background: var(--bg);
-  z-index: 10;
-  flex-shrink: 0;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  border-bottom: 1px solid rgba(255,255,255,0.08); /* Clean separation line */
+  width: 100%; text-align: center; padding: 8px 20px 8px; 
+  background: var(--bg); z-index: 10; flex-shrink: 0;
+  display: flex; flex-direction: column; align-items: center; justify-content: center;
+  border-bottom: 1px solid rgba(255,255,255,0.08); 
 }
-
 .lg-title {
-  font-family: var(--bit-font);
-  font-size: 32px;
-  letter-spacing: 0.12em;
-  text-transform: uppercase;
-  color: var(--text);
-  margin: 0 0 2px 0; /* Minimal gap between title and subtitle */
-  line-height: 1;
+  font-family: var(--bit-font); font-size: 32px; letter-spacing: 0.12em;
+  text-transform: uppercase; color: var(--text); margin: 0 0 2px 0; line-height: 1;
 }
-
 .lg-subtitle {
-  color: var(--muted);
-  font-size: 14px;
-  font-family: var(--ui-font);
-  font-weight: 500;
-  margin: 0;
-  line-height: 1.2;
+  color: var(--muted); font-size: 14px; font-family: var(--ui-font);
+  font-weight: 500; margin: 0; line-height: 1.2;
 }
-
 .lg-subtitle kbd {
-  background: rgba(255,255,255,0.1);
-  padding: 2px 6px;
-  border-radius: 4px;
-  font-family: var(--ui-font);
-  color: #e8e8ee;
+  background: rgba(255,255,255,0.1); padding: 2px 6px; border-radius: 4px;
+  font-family: var(--ui-font); color: #e8e8ee;
 }
 
-/* === DYNAMIC CANVAS === */
+/* === DYNAMIC CANVAS & CAMERA VIEWPORT === */
 .lg-workspace {
-  flex: 1; /* Automatically fills all remaining vertical space */
-  position: relative;
-  width: 100%;
+  flex: 1; position: relative; width: 100%;
   background-color: transparent; 
-  background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
-  background-size: 24px 24px;
-  overflow: hidden;
+  background-image: radial-gradient(rgba(255,255,255,0.15) 1px, transparent 1px);
+  background-size: 24px 24px; overflow: hidden;
+  cursor: grab; /* Indicates pannable area */
 }
+.lg-workspace:active { cursor: grabbing; }
 
-.lg-svg-layer {
+.lg-viewport {
   position: absolute;
   inset: 0;
   width: 100%;
   height: 100%;
-  pointer-events: none; 
-  z-index: 1;
+  transform-origin: 0 0;
+  pointer-events: none; /* Let events reach workspace, nodes will re-enable it */
+}
+
+/* Zoom UI Controls */
+.lg-zoom-controls {
+  position: absolute; bottom: 20px; left: 20px; z-index: 100;
+  display: flex; gap: 8px;
+}
+.lg-zoom-btn {
+  width: 40px; height: 40px; border-radius: 8px; font-family: var(--ui-font);
+  font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center;
+  background: rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.15);
+  color: #e8e8ee; cursor: pointer; backdrop-filter: blur(8px); transition: all 0.2s;
+}
+.lg-zoom-btn:hover { background: rgba(255,255,255,0.1); border-color: #28f07a; color: #28f07a; }
+
+.lg-svg-layer {
+  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1;
 }
 
 /* Wires */
 .lg-wire {
-  stroke: rgba(255,255,255,0.25);
-  stroke-width: 6;
-  fill: none;
-  stroke-linecap: round;
+  stroke: rgba(255,255,255,0.25); stroke-width: 6; fill: none; stroke-linecap: round;
   transition: stroke 0.1s ease, filter 0.1s ease, stroke-width 0.1s ease;
-  pointer-events: stroke; 
-  cursor: pointer;
-}
-.lg-wire:hover {
-  stroke: rgba(255,255,255,0.6);
-  stroke-width: 10;
-}
-.lg-wire.active {
-  stroke: #28f07a;
-  filter: drop-shadow(0 0 6px rgba(40,240,122,0.6));
+  pointer-events: stroke; cursor: pointer;
 }
+.lg-wire:hover { stroke: rgba(255,255,255,0.6); stroke-width: 10; }
+.lg-wire.active { stroke: #28f07a; filter: drop-shadow(0 0 6px rgba(40,240,122,0.6)); }
 .lg-wire.active:hover { stroke: #5dff9e; }
 .lg-wire.selected {
-  stroke: #ff5555 !important;
-  stroke-width: 8 !important;
-  stroke-dasharray: 8 8;
-  filter: drop-shadow(0 0 8px rgba(255,85,85,0.8)) !important;
-  animation: wireDash 1s linear infinite;
+  stroke: #ff5555 !important; stroke-width: 8 !important; stroke-dasharray: 8 8;
+  filter: drop-shadow(0 0 8px rgba(255,85,85,0.8)) !important; animation: wireDash 1s linear infinite;
 }
 @keyframes wireDash { to { stroke-dashoffset: -16; } }
-
-.lg-wire-temp {
-  stroke: rgba(255,255,255,0.4);
-  stroke-dasharray: 8 8;
-  pointer-events: none;
-}
+.lg-wire-temp { stroke: rgba(255,255,255,0.4); stroke-dasharray: 8 8; pointer-events: none; }
 
 /* Nodes */
 .lg-node {
-  position: absolute;
-  background: transparent;
-  border: none;
-  border-radius: 0;
-  padding: 4px;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  cursor: grab;
-  z-index: 10;
-  user-select: none;
-  transition: filter 0.2s;
+  position: absolute; background: transparent; border: none; border-radius: 0; padding: 4px;
+  display: flex; flex-direction: column; align-items: center; cursor: grab;
+  z-index: 10; user-select: none; transition: filter 0.2s;
+  pointer-events: auto; /* Re-enables interaction inside the viewport */
 }
 .lg-node:active { cursor: grabbing; z-index: 20; }
 .lg-node.selected { filter: drop-shadow(0 0 10px rgba(255,85,85,0.8)); }
 
 .lg-header {
-  font-size: 24px; 
-  color: var(--muted);
-  font-family: var(--bit-font); 
-  letter-spacing: 2px;
-  pointer-events: none;
-  margin-bottom: 6px;
+  font-size: 24px; color: var(--muted); font-family: var(--bit-font); 
+  letter-spacing: 2px; pointer-events: none; margin-bottom: 6px;
 }
 
-.lg-gate-container {
-  position: relative;
-  display: inline-flex;
-  align-items: center;
-}
+.lg-gate-container { position: relative; display: inline-flex; align-items: center; }
 .lg-gate-svg { width: 100px; height: 50px; display: block; }
 .lg-line-svg { width: 30px; height: 50px; display: block; }
 
@@ -163,18 +111,14 @@ body:has(#logicPage) .pageWrap {
 .lg-port {
   width: 16px; height: 16px; background: #a9acb8; border-radius: 50%; cursor: crosshair;
   border: 3px solid var(--bg); box-shadow: 0 0 0 1px rgba(255,255,255,0.2); transition: all 0.2s;
-  position: absolute; z-index: 5;
-  transform: translate(-50%, -50%); 
+  position: absolute; z-index: 5; transform: translate(-50%, -50%); 
 }
 .lg-port:hover { transform: translate(-50%, -50%) scale(1.3); background: #fff; }
 .lg-port.active { background: #28f07a; box-shadow: 0 0 12px rgba(40,240,122,0.8); border-color: #1f2027; }
 
 /* === FLOATING TOOLBOX === */
 .toolboxToggle {
-  position: absolute;
-  top: 10px; /* Snug inside the thinner header */
-  right: 20px;
-  z-index: 90;
+  position: absolute; top: 10px; right: 20px; z-index: 90;
   display: flex; align-items: center; gap: 10px; padding: 8px 14px;
   border-radius: 12px; border: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.15);
   backdrop-filter: blur(8px); color: rgba(232,232,238,.95); font-family: var(--bit-font);
@@ -184,53 +128,29 @@ body:has(#logicPage) .pageWrap {
 .toolboxToggle:hover { border-color: rgba(255,255,255,.22); }
 
 .lg-toolbox {
-  position: absolute;
-  top: 60px; /* Sits right under the new thin header */
-  right: 20px;
-  bottom: 20px; /* Constrains the height so it scrolls internally */
-  width: var(--toolbox-w, 360px);
-  z-index: 80;
-  display: flex;
-  flex-direction: column;
-  gap: 16px;
-  transform: translateX(0);
+  position: absolute; top: 60px; right: 20px; bottom: 20px; width: var(--toolbox-w, 360px);
+  z-index: 80; display: flex; flex-direction: column; gap: 16px; transform: translateX(0);
   transition: transform 420ms cubic-bezier(.2,.9,.2,1), opacity 220ms ease;
-  overflow-y: auto;
-  pointer-events: auto;
-  padding-right: 6px; 
+  overflow-y: auto; pointer-events: auto; padding-right: 6px; 
 }
-
-/* Faded Subdued Scrollbars */
 .lg-toolbox::-webkit-scrollbar { width: 6px; }
 .lg-toolbox::-webkit-scrollbar-track { background: transparent; }
 .lg-toolbox::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.05); border-radius: 10px; transition: background 0.3s; }
 .lg-toolbox:hover::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); }
-.lg-toolbox::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.4); }
+.lg-container.toolboxCollapsed .lg-toolbox { transform: translateX(calc(100% + 40px)); opacity: 0; pointer-events: none; }
 
-.lg-container.toolboxCollapsed .lg-toolbox {
-  transform: translateX(calc(100% + 40px));
-  opacity: 0;
-  pointer-events: none;
-}
-
-/* Toolbox Grid */
-.tb-icon-grid {
-  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
-}
+.tb-icon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
 .tb-icon-box {
-  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.15);
-  border-radius: 12px; width: 100%; padding: 12px 0;
+  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; width: 100%; padding: 12px 0;
   display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
   cursor: grab; transition: background 0.2s, border-color 0.2s;
 }
 .tb-icon-box:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); }
 .tb-icon-label { font-family: var(--ui-font); font-size: 11px; font-weight: 800; color: var(--text); letter-spacing: 1px; text-transform: uppercase; }
 
-/* Truth Table */
 .tt-summary {
-  font-family: var(--ui-font); font-size: 14px; font-weight: 800;
-  color: var(--accent, #28f07a); cursor: pointer; user-select: none;
-  outline: none; margin-bottom: 10px; text-transform: uppercase;
+  font-family: var(--ui-font); font-size: 14px; font-weight: 800; color: var(--accent, #28f07a);
+  cursor: pointer; user-select: none; outline: none; margin-bottom: 10px; text-transform: uppercase;
 }
 .tt-table-wrap {
   width: 100%; max-height: 250px; overflow-y: auto; overflow-x: auto;
@@ -239,8 +159,6 @@ body:has(#logicPage) .pageWrap {
 .tt-table-wrap::-webkit-scrollbar { width: 6px; height: 6px; }
 .tt-table-wrap::-webkit-scrollbar-track { background: transparent; }
 .tt-table-wrap::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
-.tt-table-wrap:hover::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); }
-
 .tt-table { width: 100%; border-collapse: collapse; text-align: center; font-family: var(--num-font); font-size: 14px; color: #e8e8ee; }
 .tt-table th { position: sticky; top: 0; background: rgba(31,32,39,0.95); padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.15); color: var(--muted); font-family: var(--bit-font); font-weight: normal; }
 .tt-table td { padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.05); }

src/styles/number-simulators.css

@@ -0,0 +1,114 @@
+/* --- APP LAYOUT --- */
+.binaryPage {
+  --toolbox-w: 360px;
+  --toolbox-gap: 22px;
+  --toolbox-toggle-top: calc(var(--nav-h) + 16px);
+  --toolbox-top: calc(var(--toolbox-toggle-top) + 60px);
+  position: relative; padding-top: 16px; flex: 1; display: flex; flex-direction: column;
+}
+.binaryPage:not(.toolboxCollapsed) { padding-right: calc(var(--toolbox-w) + var(--toolbox-gap)); }
+.binaryPage.toolboxCollapsed { padding-right: 0; }
+.topGrid { display: flex; align-items: stretch; gap: 28px; flex: 1; }
+.leftCol { flex: 1 1 auto; min-width: 0; container-type: inline-size; display: flex; flex-direction: column; }
+
+/* --- READOUT FORMATTING --- */
+.readoutContainer { display: flex; align-items: center; justify-content: center; gap: 64px; width: 100%; }
+.readout { display: flex; flex-direction: column; align-items: center; gap: 16px; padding-top: 4px; }
+.readoutBlock { display: flex; flex-direction: column; align-items: center; gap: 8px; }
+.label { font-family: var(--bit-font); letter-spacing: .14em; text-transform: uppercase; font-size: 18px; opacity: .75; margin: 0; }
+.num { font-family: var(--num-font); color: #28f07a; text-shadow: 0 0 18px rgba(40,240,122,.35); letter-spacing: 2px; }
+
+.denaryValue, .hexValue, .binaryValue { display: flex; gap: 16px; justify-content: center; white-space: pre-wrap; text-align: center; margin: 0; line-height: 1; }
+.denaryValue { font-size: 56px; }
+.hexValue { font-size: 48px; }
+.binaryValue { font-size: 40px; }
+
+/* --- GRIDS & BITS --- */
+.bitsWrap { width: 100%; }
+.bitsGrid { --cols: 8; display: grid; grid-template-columns: repeat(var(--cols), minmax(92px, 1fr)); gap: 26px 22px; align-items: start; justify-items: center; }
+.bitsGrid.bitsFew { justify-content: center; }
+.bit { width: 100%; max-width: 140px; display: flex; flex-direction: column; align-items: center; gap: 8px; container-type: inline-size; }
+.bitVal { font-family: var(--bit-font); font-size: min(32px, calc(140cqw / var(--len, 1))); letter-spacing: 2px; color: rgba(232,232,238,.85); white-space: nowrap; line-height: 1; }
+
+/* --- HEXADECIMAL --- */
+.hexGrid { --cols: 4; display: grid; grid-template-columns: repeat(var(--cols), minmax(160px, 1fr)); gap: 32px 20px; align-items: start; justify-items: center; width: 100%; }
+.hexGrid.bitsFew { justify-content: center; }
+.hexCol { display: flex; flex-direction: column; align-items: center; width: 100%; }
+
+/* --- HEX COLOURS SPECIFIC --- */
+.colorGroupWrap { display: flex; flex-wrap: nowrap; gap: 16px; justify-content: center; width: 100%; }
+.colorGroup { display: flex; gap: 12px; padding: 12px; background: rgba(255,255,255,.02); border-radius: 20px; border: 1px solid rgba(255,255,255,.05); flex: 0 1 auto; min-width: 0; }
+.colorPreviewSide { display: flex; gap: 24px; align-items: center; justify-content: center; }
+.colorBoxWrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
+.colorBox { width: 60px; height: 60px; border-radius: 12px; border: 2px solid rgba(255,255,255,.15); box-shadow: 0 4px 16px rgba(0,0,0,.4); background-color: #000000; transition: background-color 0.2s ease; }
+.colorBoxLabel { font-family: var(--ui-font); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
+
+.text-red { color: #ff5555 !important; text-shadow: 0 0 18px rgba(255,85,85,.35) !important; }
+.text-green { color: #28f07a !important; text-shadow: 0 0 18px rgba(40,240,122,.35) !important; }
+.text-blue { color: #55aaff !important; text-shadow: 0 0 18px rgba(85,170,255,.35) !important; }
+
+/* HEX CARD */
+.hexCard { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 16px 14px; display: flex; flex-direction: column; align-items: center; gap: 16px; width: 100%; max-width: 190px; flex: 0 1 auto; min-width: 0; box-shadow: 0 4px 24px rgba(0,0,0,.2); backdrop-filter: blur(10px); }
+.hexCardButtons { display: flex; gap: 10px; }
+.hexCardBtn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(255,255,255,.12); font-family: var(--bit-font); font-size: 16px; font-weight: 900; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 0; color: rgba(232,232,238,.92); transition: all 0.2s ease; }
+.hexCardBtn.inc { background: rgba(40,240,122,.15); border-color: rgba(40,240,122,.25); }
+.hexCardBtn.inc:hover { background: rgba(40,240,122,.25); border-color: rgba(40,240,122,.4); }
+.hexCardBtn.dec { background: rgba(255,80,80,.18); border-color: rgba(255,80,80,.25); }
+.hexCardBtn.dec:hover { background: rgba(255,80,80,.28); border-color: rgba(255,80,80,.4); }
+.hexDigitDisplay { font-family: var(--num-font); font-size: 48px; color: #28f07a; text-shadow: 0 0 18px rgba(40,240,122,.35); line-height: 1; }
+.hexNibbleRow { display: flex; gap: 10px; justify-content: center; width: 100%; }
+.hexNibbleBit { display: flex; flex-direction: column; align-items: center; gap: 6px; }
+.hexNibbleBulb { width: 32px !important; height: 32px !important; margin-bottom: 2px !important; }
+.hexNibbleLabel { font-family: var(--bit-font); font-size: 24px; color: rgba(232,232,238,.6); }
+.hexColWeight { font-family: var(--bit-font); font-size: 40px; color: rgba(232,232,238,.6); margin-top: 14px; }
+
+/* --- TOOLBOX COMPONENTS FOR NUMBERS --- */
+.panelCol { position: fixed; top: var(--toolbox-top); right: 22px; width: var(--toolbox-w); z-index: 80; display: flex; flex-direction: column; gap: 16px; transform: translateX(0); opacity: 1; transition: transform 420ms cubic-bezier(.2,.9,.2,1), opacity 220ms ease; }
+.binaryPage.toolboxCollapsed .panelCol { transform: translateX(calc(var(--toolbox-w) + 32px)); opacity: 0; pointer-events: none; }
+
+.toggleRow { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
+.toggleLabel { font-family: var(--bit-font); font-size: 16px; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; color: var(--muted); transition: color 0.2s, text-shadow 0.2s; }
+.toggleLabel.activeMode { color: #28f07a; text-shadow: 0 0 12px rgba(40,240,122,.45); }
+.subCard { margin-top: 12px; padding: 12px; border-radius: 14px; border: 1px solid rgba(255,255,255,.10); background: rgba(0,0,0,.12); }
+.subTitle { font-family: var(--bit-font); font-weight: 900; letter-spacing: .14em; text-transform: uppercase; font-size: 16px; margin-bottom: 10px; opacity: .85; }
+.bitWidthRow { display: flex; align-items: center; gap: 10px; }
+.miniBtn { width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06); color: rgba(232,232,238,.9); font-family: var(--bit-font); font-weight: 900; font-size: 22px; cursor: pointer; }
+.miniBtn:hover { border-color: rgba(255,255,255,.22); }
+.bitInputWrap { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; border-radius: 12px; border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.04); padding: 10px 12px; }
+.bitInputLabel { font-family: var(--bit-font); font-size: 16px; letter-spacing: .12em; text-transform: uppercase; opacity: .7; }
+.bitInput { width: 70px; text-align: right; font-family: var(--num-font); font-size: 28px; letter-spacing: 2px; color: #28f07a; background: transparent; border: none; outline: none; }
+.controlsRow { display: flex; gap: 12px; margin-bottom: 12px; }
+.toolRowCentered { display: flex; justify-content: center; gap: 10px; margin-bottom: 10px; }
+.toolBtn { width: 46px; height: 46px; border-radius: 12px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06); color: rgba(232,232,238,.92); font-family: var(--bit-font); font-size: 16px; font-weight: 900; cursor: pointer; }
+.toolDec { background: rgba(255,80,80,.20); border-color: rgba(255,80,80,.25); }
+.toolInc { background: rgba(40,240,122,.18); border-color: rgba(40,240,122,.25); }
+
+/* === CONTAINER QUERIES === */
+@container (max-width: 1050px) {
+  .readoutContainer { gap: 40px; }
+  .colorGroupWrap { gap: 10px; }
+  .colorGroup { padding: 10px; gap: 8px; border-radius: 16px; }
+  .hexCard { padding: 12px 8px; width: 140px; gap: 12px; }
+  .hexDigitDisplay { font-size: 40px; }
+  .hexNibbleBulb { width: 24px !important; height: 24px !important; }
+  .hexNibbleLabel { font-size: 20px; }
+  .hexColWeight { font-size: 26px; margin-top: 10px; }
+  .hexCardBtn { width: 34px; height: 34px; font-size: 14px; }
+}
+
+@container (max-width: 800px) {
+  .readoutContainer { flex-direction: column; gap: 24px; }
+  .colorPreviewSide { padding-top: 0; }
+  .colorGroupWrap { gap: 6px; }
+  .colorGroup { padding: 6px; gap: 6px; border-radius: 12px; }
+  .hexCard { padding: 8px 4px; width: 90px; gap: 8px; border-radius: 10px; }
+  .hexDigitDisplay { font-size: 32px; }
+  .hexNibbleBulb { width: 16px !important; height: 16px !important; }
+  .hexNibbleLabel { font-size: 16px; }
+  .hexColWeight { font-size: 20px; margin-top: 6px; }
+  .hexCardBtn { width: 28px; height: 28px; font-size: 12px; }
+  .denaryValue, .hexValue, .binaryValue { font-size: 32px; gap: 10px; }
+}
+
+@media (max-width: 1100px) { .binaryPage { --toolbox-w: 330px; } .denaryValue { font-size: 48px; }  .hexValue { font-size: 40px; } .binaryValue { font-size: 32px; } }
+@media (max-width: 900px) { .binaryPage { --toolbox-w: 320px; } .bitsGrid { grid-template-columns: repeat(var(--cols), minmax(84px, 1fr)); } .hexGrid { grid-template-columns: repeat(var(--cols), minmax(130px, 1fr)); } }

src/styles/pc-builder.css

@@ -0,0 +1,120 @@
+/* === FULL PAGE OVERRIDES FOR PC BUILDER === */
+body:has(#pcPage) { overflow: hidden; }
+body:has(#pcPage) .pageWrap {
+  max-width: 100% !important; padding: 0 !important; margin: 0 !important;
+  height: calc(100vh - var(--nav-h)); display: flex; flex-direction: column;
+}
+#pcPage { padding: 0 !important; margin: 0 !important; }
+
+/* === MAIN CONTAINER === */
+.pb-container { flex: 1; display: flex; flex-direction: column; position: relative; width: 100%; height: 100%; overflow: hidden; }
+
+/* === FIXED HEADER === */
+.pb-top-header {
+  width: 100%; text-align: center; padding: 8px 20px 8px; 
+  background: var(--bg); z-index: 10; flex-shrink: 0;
+  display: flex; flex-direction: column; align-items: center; justify-content: center;
+  border-bottom: 1px solid rgba(255,255,255,0.08); 
+}
+.pb-title { font-family: var(--bit-font); font-size: 32px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); margin: 0 0 2px 0; line-height: 1; }
+.pb-subtitle { color: var(--muted); font-size: 14px; font-family: var(--ui-font); font-weight: 500; margin: 0; line-height: 1.2; }
+.pb-subtitle kbd { background: rgba(255,255,255,0.1); padding: 2px 6px; border-radius: 4px; font-family: var(--ui-font); color: #e8e8ee; }
+
+/* === DYNAMIC CANVAS === */
+.pb-workspace {
+  flex: 1; position: relative; width: 100%; background-color: transparent; 
+  background-image: radial-gradient(rgba(255,255,255,0.08) 2px, transparent 2px);
+  background-size: 32px 32px; overflow: hidden; cursor: grab;
+}
+.pb-workspace:active { cursor: grabbing; }
+.pb-viewport { position: absolute; inset: 0; width: 100%; height: 100%; transform-origin: 0 0; pointer-events: none; }
+
+/* Zoom UI Controls */
+.pb-zoom-controls { position: absolute; bottom: 20px; left: 20px; z-index: 100; display: flex; gap: 8px; }
+.pb-zoom-btn {
+  width: 40px; height: 40px; border-radius: 8px; font-family: var(--ui-font); font-size: 22px; font-weight: 800;
+  display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.5);
+  border: 1px solid rgba(255,255,255,0.15); color: #e8e8ee; cursor: pointer; backdrop-filter: blur(8px); transition: all 0.2s;
+}
+.pb-zoom-btn:hover { background: rgba(255,255,255,0.1); border-color: #55aaff; color: #55aaff; }
+
+/* Wires sit at the VERY FRONT so they are never hidden in the case */
+.pb-svg-layer { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 100; pointer-events: none; }
+
+/* Cables */
+.pb-wire {
+  stroke: rgba(255,255,255,0.25); stroke-width: 6; fill: none; stroke-linecap: round;
+  transition: stroke 0.1s ease, filter 0.1s ease, stroke-width 0.1s ease; pointer-events: stroke; cursor: pointer;
+}
+.pb-wire:hover { stroke: rgba(255,255,255,0.6); stroke-width: 10; }
+.pb-wire.active { stroke: #55aaff; filter: drop-shadow(0 0 6px rgba(85,170,255,0.6)); }
+.pb-wire.active:hover { stroke: #88ccff; }
+.pb-wire.selected { stroke: #ff5555 !important; stroke-width: 8 !important; stroke-dasharray: 8 8; filter: drop-shadow(0 0 8px rgba(255,85,85,0.8)) !important; animation: wireDash 1s linear infinite; }
+@keyframes wireDash { to { stroke-dashoffset: -16; } }
+.pb-wire-temp { stroke: rgba(255,255,255,0.4); stroke-dasharray: 8 8; pointer-events: none; }
+
+/* PC Parts */
+.pb-node {
+  position: absolute; background: transparent; border: none; border-radius: 0; padding: 0;
+  display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: grab;
+  user-select: none; transition: filter 0.2s; pointer-events: auto;
+}
+.pb-node:active { cursor: grabbing; }
+.pb-node.selected { filter: drop-shadow(0 0 10px rgba(255,85,85,0.8)); }
+.pb-part-svg { width: 100%; height: 100%; display: block; pointer-events: none; filter: drop-shadow(0 10px 15px rgba(0,0,0,0.5)); }
+
+/* Connection Ports */
+.pb-port {
+  width: 14px; height: 14px; background: #222; border-radius: 50%; cursor: crosshair;
+  border: 2px solid #55aaff; box-shadow: 0 0 0 1px rgba(255,255,255,0.2); transition: all 0.2s;
+  position: absolute; z-index: 200; transform: translate(-50%, -50%); pointer-events: auto;
+}
+.pb-port:hover { transform: translate(-50%, -50%) scale(1.4); background: #fff; }
+.pb-port.active { background: #55aaff; box-shadow: 0 0 12px rgba(85,170,255,0.8); }
+
+/* === ANIMATIONS (Triggered on Boot) === */
+@keyframes spin { 100% { transform: rotate(360deg); } }
+.system-running .fan-blades { animation: spin 0.4s linear infinite; }
+.system-running .monitor-screen { opacity: 1 !important; }
+
+/* === FLOATING TOOLBOX === */
+.pb-toolbox {
+  position: absolute; top: 60px; right: 20px; bottom: 20px; width: var(--toolbox-w, 360px);
+  z-index: 80; display: flex; flex-direction: column; gap: 16px; transform: translateX(0);
+  transition: transform 420ms cubic-bezier(.2,.9,.2,1), opacity 220ms ease; overflow-y: auto; pointer-events: auto; padding-right: 6px; 
+}
+.pb-toolbox::-webkit-scrollbar { width: 6px; }
+.pb-toolbox::-webkit-scrollbar-track { background: transparent; }
+.pb-toolbox::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.05); border-radius: 10px; transition: background 0.3s; }
+.pb-toolbox:hover::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); }
+.pb-container.toolboxCollapsed .pb-toolbox { transform: translateX(calc(100% + 40px)); opacity: 0; pointer-events: none; }
+
+.tb-icon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
+.tb-icon-box {
+  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.15); border-radius: 8px; width: 100%; padding: 8px 0;
+  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; cursor: grab; transition: background 0.2s, border-color 0.2s;
+}
+.tb-icon-box:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); }
+.tb-icon-label { font-family: var(--ui-font); font-size: 10px; font-weight: 800; color: var(--text); letter-spacing: 0px; text-transform: uppercase; text-align: center;}
+
+/* Diagnostics Panel */
+.specs-panel { width: 100%; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); background: rgba(0,0,0,0.4); padding: 12px; }
+.diag-cat { font-family: var(--ui-font); font-size: 12px; font-weight: 800; color: #55aaff; letter-spacing: 1px; text-transform: uppercase; margin: 12px 0 4px 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 2px;}
+.diag-cat:first-child { margin-top: 0; }
+.diag-row {
+  display: flex; justify-content: space-between; font-family: var(--bit-font); font-size: 16px; 
+  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px;
+}
+
+/* === 3D INSPECT MODAL === */
+.inspect-modal {
+  position: fixed; inset: 0; background: rgba(10,11,15,0.95); z-index: 1000;
+  display: flex; align-items: center; justify-content: center; flex-direction: column;
+  opacity: 0; pointer-events: none; transition: opacity 0.3s ease; backdrop-filter: blur(10px);
+}
+.inspect-modal.active { opacity: 1; pointer-events: auto; }
+.inspect-close { position: absolute; top: 30px; right: 40px; font-size: 40px; color: var(--muted); cursor: pointer; transition: color 0.2s; }
+.inspect-close:hover { color: #ff5555; }
+.inspect-stage { width: 600px; height: 600px; perspective: 1200px; display: flex; align-items: center; justify-content: center; margin-top: 20px;}
+.inspect-object { width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 0.1s cubic-bezier(0.2, 0.8, 0.2, 1); display: flex; align-items: center; justify-content: center; }
+.inspect-object svg { width: 100%; height: 100%; filter: drop-shadow(0 30px 40px rgba(0,0,0,0.8)); }