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     <section class="hero"><div><p class="eyebrow">BITCOIN, WITH ROOM TO EXPERIMENT</p><h1>Your own little<br>Bitcoin universe.</h1><p class="intro">Mine a block. Inscribe a thought. See it land in your wallet.<br>All in your browser, all with pretend money.</p></div><div class="orbit" aria-hidden="true"><div class="cube"><svg viewBox="0 0 100 100" width="82" height="82" fill="none" stroke="currentColor" stroke-width="5" aria-hidden="true"><path d="M35 17v12m12-12v12M35 76v12m12-12v12M24 29h25c22 0 22 23 0 23H24m0 0h28c22 0 22 24 0 24H24m7-47v47"/></svg></div><span>YOUR CHAIN. YOUR PACE.</span></div></section>
-    <aside class="notice"><strong>Test coins only.</strong> This is a private simulation, not Bitcoin testnet or mainnet. Keys stay in this browser, unencrypted. Never load real keys or send real funds here.</aside>
-    <div id="status" role="status" aria-live="polite">Create a test wallet to start your first loop.</div>
+    <aside class="notice"><strong>Test coins only.</strong> This is a private simulation, not Bitcoin testnet or mainnet. Local-wallet keys stay in this browser, unencrypted. Inscriboor keys stay in the extension. Never load real keys or send real funds here.</aside>
+    <div id="status" role="status" aria-live="polite">Choose Inscriboor or a local test wallet to start your first loop.</div>
     <section class="workspace">
       <article class="panel wallet"><div class="panel-title"><span class="step">01</span><h2>Your test wallet</h2><span id="wallet-state" class="tag">NOT CREATED</span></div>
-        <div id="empty-wallet"><p>One wallet. A whole chain to play with.</p><button id="create-wallet" class="primary">Create test wallet <span>↗</span></button></div>
+        <div id="empty-wallet"><p>One wallet. A whole chain to play with.</p><button id="connect-inscriboor" class="primary">Connect Inscriboor <span>↗</span></button> <button id="create-wallet" class="quiet">Use local test wallet</button><p id="inscriboor-status" class="muted">Looking for the extension…</p></div>
         <div id="active-wallet" hidden><p class="label">FAKE BTC BALANCE</p><div class="balance"><span id="balance">0</span><small>BTC</small></div><p id="reserved" class="muted"></p><label for="address">Local regtest-format address</label><input id="address" readonly><button id="export-wallet" class="quiet">↓ Save test wallet</button></div>
-        <div class="wallet-footer"><label class="file-button" for="load-wallet">↑ Load test wallet or lab backup</label><input id="load-wallet" type="file" accept=".json,application/json"><p class="muted">Saved on this device. A wallet backup contains its test key; a lab backup also preserves the chain.</p></div>
+        <div class="wallet-footer"><label class="file-button" for="load-wallet">↑ Load test wallet or lab backup</label><input id="load-wallet" type="file" accept=".json,application/json"><p class="muted">Saved on this device. Local-wallet backups contain their test key; Inscriboor backups contain only a public descriptor. A lab backup also preserves the chain.</p></div>
       </article>
       <article class="panel"><div class="panel-title"><span class="step">02</span><h2>Make some blocks</h2></div><p>Skip the faucet queue. Every block gives you <strong>50 fake BTC</strong>, ready to use immediately.</p><div class="chain-stats"><div><span class="label">BLOCK HEIGHT</span><strong id="height">0</strong></div><div><span class="label">PENDING TXS</span><strong id="pending">0</strong></div></div><button id="mine" class="primary" disabled>Mine now <span>+</span></button><label for="miner-interval">Auto miner</label><select id="miner-interval"><option value="0">OFF</option><option value="10">10s</option><option value="30">30s</option><option value="60">60s</option></select><p id="miner-status" aria-live="polite">Auto mining OFF</p><p class="muted">Keep a lab tab open; browser throttling may delay blocks. Mining also confirms your pending inscriptions.</p></article>
       <article class="panel inscribe"><div class="panel-title"><span class="step">03</span><h2>Leave a little something</h2><span class="tag">INSCRIPTION LAB</span></div><label for="mime-type">Content type</label><select id="mime-type"></select><label for="body-file">Or upload a local file (16 KiB maximum)</label><input id="body-file" type="file"><label for="parent">Parent inscription (optional, immutable)</label><select id="parent"><option value="">No parent</option></select><label for="delegate">Delegate inscription ID (optional, future IDs allowed)</label><input id="delegate" placeholder="64 hex characters + i0"><label for="reinscribe">Reinscribe an owned sat (optional)</label><select id="reinscribe"><option value="">New sat</option></select><label for="pointer">Advanced pointer (zero-based output sat position)</label><input id="pointer" inputmode="numeric" placeholder="Default first sat"><button id="recursive-demo" class="quiet">Use recursive demo</button><p class="muted">Recursive HTML/SVG scripts use local fetch and ord.render(text) in an isolated worker; ord.id is the requested inscription. No DOM or network access.</p><label for="payload">What will you put on your chain?</label><textarea id="payload" placeholder="Hello, little Bitcoin universe…" rows="3" disabled></textarea><label for="metadata">JSON metadata (optional, independent of body)</label><textarea id="metadata" rows="3" placeholder='{"protocol":"my-experiment","note":"hello"}'></textarea><p id="metadata-count" class="muted">0 / 2048 CBOR bytes · ord tag 5 · JSON is authoring format only</p><label for="metaprotocol">Metaprotocol (optional, independent field)</label><input id="metaprotocol" placeholder="e.g. tea-v1 · ord tag 7"><p class="muted">Native ord metaprotocol identifier. Metadata and inscription data remain independent.</p><div class="compose-footer"><span id="byte-count" class="muted">0 / 16384 bytes</span><button id="review" disabled>Review inscription ↗</button></div>
-        <div id="review-panel" hidden><h3>Review before signing</h3><div id="review-preview"></div><pre id="review-text"></pre><p id="review-parent"></p><pre id="review-metadata"></pre><p>Two transactions: commit + reveal. <strong>1,000 fake sats</strong> in fees; <strong>1,000 fake sats</strong> in a new wallet output. Any selected parent or reinscription output is also returned in full; reinscription appends to its existing sat stack.</p><p class="muted">The next button signs both transactions locally with this test wallet and submits them to your private chain.</p><button id="sign" class="primary">Sign & inscribe</button> <button id="cancel-review" class="quiet">Cancel</button></div>
+        <div id="review-panel" hidden><h3>Review before signing</h3><div id="review-preview"></div><pre id="review-text"></pre><p id="review-parent"></p><pre id="review-metadata"></pre><p>Two transactions: commit + reveal. <strong>1,000 fake sats</strong> in fees; <strong>1,000 fake sats</strong> in a new wallet output. Any selected parent or reinscription output is also returned in full; reinscription appends to its existing sat stack.</p><p id="signing-note" class="muted">The next button asks your active signer to approve commit + reveal, then submits them to your private chain.</p><button id="sign" class="primary">Sign & inscribe</button> <button id="cancel-review" class="quiet">Cancel</button></div>
       </article>
     </section>
     <section class="collection-section"><div class="section-title"><div><p class="eyebrow">04 / THE THINGS YOU MADE</p><h2>Your inscriptions <span id="collection-count">0</span></h2></div><span class="muted">Owned by this wallet</span></div><div id="collectibles" class="collectibles"><p class="empty">Your first inscription belongs here.<br><span>Fund your wallet, write some text, and make it yours.</span></p></div></section>