diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..72a3078
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,11 @@
+node_modules
+npm-debug.log
+yarn-error.log
+.npmrc
+.DS_Store
+server/node_modules
+server/.env
+db_data
+server/uploads
+coverage
+dist
diff --git a/.gitignore b/.gitignore
index fd3d04f..3f5ada7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,10 @@
 # macOS metadata
 .DS_Store
+
+# Dependencies and build artifacts
+node_modules/
+server/node_modules/
+db_data/
+uploads/
+server/uploads/
+*.log
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..5456496
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,18 @@
+FROM node:20-alpine
+WORKDIR /app
+
+# Build deps for sharp on alpine
+RUN apk add --no-cache python3 make g++ libc6-compat vips-dev
+
+# Install dependencies first (better layer caching)
+COPY server/package*.json ./server/
+WORKDIR /app/server
+RUN npm install --production
+
+# Copy the rest of the app (frontend + backend)
+WORKDIR /app
+COPY . .
+WORKDIR /app/server
+
+EXPOSE 4000
+CMD ["npm", "start"]
diff --git a/assets/app.js b/assets/app.js
index 10db008..7dc8d0f 100644
--- a/assets/app.js
+++ b/assets/app.js
@@ -2,6 +2,14 @@
 let projects = JSON.parse(localStorage.getItem('crochetCounters')) || [];
 let patterns = JSON.parse(localStorage.getItem('crochetPatterns')) || [];
 if (!Array.isArray(patterns)) patterns = [];
+let auth = {
+    token: localStorage.getItem('authToken') || '',
+    email: '',
+    isAdmin: false,
+    status: 'unknown',
+    mode: 'login'
+};
+let pendingUsers = [];
 let saveFlashTimer = null;
 const crochetAbbrev = [
     { code: 'alt', desc: 'alternate' },
@@ -278,6 +286,7 @@ function normalizePatternDraft(d = {}) {
 }
 
 let patternDraft = normalizePatternDraft(JSON.parse(localStorage.getItem('crochetPatternDraft')) || {});
+let currentPatternId = null;
 // New Earthy/Woodland Palette extracted from image vibes
 const colors = [
     '#a17d63', // Soft oak
@@ -467,6 +476,7 @@ function clearPatternOutput() {
     patternDraft.output = '';
     patternDraft.currentRow = 1;
     patternDraft.line = '';
+    currentPatternId = null;
     patternDraft.meta = { title: '', designer: '' };
     patternDraft.materials = '';
     patternDraft.gauge = '';
@@ -478,6 +488,7 @@ function clearPatternOutput() {
     patternDraft.stitches = '';
     patternDraft.notes = '';
     patternDraft.steps = [];
+    localStorage.setItem('crochetPatternDraft', JSON.stringify(patternDraft));
     if (patternOutput) patternOutput.value = '';
     persistPatternDraft();
     syncPatternUI();
@@ -592,6 +603,7 @@ function exportPatternPDF() {
 function showPatternTab(tab) {
     document.querySelectorAll('.pattern-tab').forEach(btn => btn.classList.toggle('is-active', btn.dataset.tab === tab));
     document.querySelectorAll('.pattern-section').forEach(sec => sec.classList.toggle('is-active', sec.dataset.section === tab));
+    try { localStorage.setItem('patternActiveTab', tab); } catch (e) {}
 }
 
 function updateMetaField(field, value) {
@@ -690,6 +702,196 @@ function renderSteps() {
     container.appendChild(addRow);
 }
 
+function renderPatternView() {
+    const container = document.getElementById('patternView');
+    if (!container) return;
+    const steps = patternDraft.steps || [];
+    const meta = patternDraft.meta || {};
+    const mats = patternDraft.materials || '';
+    const gauge = patternDraft.gauge || '';
+    const gaugeSts = patternDraft.gaugeSts || '';
+    const gaugeRows = patternDraft.gaugeRows || '';
+    const gaugeHook = patternDraft.gaugeHook || '';
+    const size = patternDraft.size || '';
+    container.innerHTML = `
+      <div class="view-card">
+        <h3 class="view-title">${meta.title || 'Pattern'}</h3>
+        <p class="view-sub">${meta.designer || ''}</p>
+        ${mats ? `<h4>Materials</h4><pre>${mats}</pre>` : ''}
+        ${(gauge || gaugeSts || gaugeRows || gaugeHook || size) ? `<h4>Gauge / Size</h4><pre>${[gaugeSts, gaugeRows, gaugeHook, size, gauge].filter(Boolean).join(' • ')}</pre>` : ''}
+      </div>
+      <div class="view-card">
+        <h4>Steps</h4>
+        <div class="view-steps">
+          ${steps.map((st, i) => `
+            <div class="view-step ${st.finished ? 'is-finished' : ''}">
+              <header>
+                <div class="title">Step ${i + 1}${st.title ? ': ' + st.title : ''}</div>
+                <label class="view-check">
+                  <input type="checkbox" data-view-step="${i}" ${st.finished ? 'checked' : ''}>
+                  <i class="fa-regular fa-square"></i>
+                  <i class="fa-solid fa-square-check"></i>
+                </label>
+              </header>
+              <div class="view-step-body">
+                <ul class="rows">${(st.rows || []).map((r, idx) => `<li>Row ${idx + 1}: ${r}</li>`).join('') || '<li class="muted">No rows yet.</li>'}</ul>
+                <div style="margin-top:6px;">
+                  <label>Notes</label>
+                  <textarea data-view-note="${i}" placeholder="Notes for this step...">${st.viewNote || ''}</textarea>
+                </div>
+              </div>
+            </div>
+          `).join('')}
+        </div>
+      </div>
+      <div class="view-card">
+        <h4>Notes</h4>
+        <textarea data-view-global-note placeholder="Notes or reminders...">${patternDraft.viewGlobalNote || ''}</textarea>
+      </div>
+    `;
+    container.querySelectorAll('input[type="checkbox"][data-view-step]').forEach(cb => {
+        cb.addEventListener('change', (e) => {
+            const idx = Number(e.target.dataset.viewStep);
+            if (!patternDraft.steps[idx]) return;
+            patternDraft.steps[idx].finished = e.target.checked;
+            persistPatternDraft();
+            save();
+            const card = e.target.closest('.view-step');
+            if (card) card.classList.toggle('is-finished', e.target.checked);
+        });
+    });
+    container.querySelectorAll('textarea[data-view-note]').forEach(area => {
+        area.addEventListener('input', (e) => {
+            const idx = Number(e.target.dataset.viewNote);
+            if (!patternDraft.steps[idx]) return;
+            patternDraft.steps[idx].viewNote = e.target.value;
+            persistPatternDraft();
+        });
+    });
+    const globalNote = container.querySelector('textarea[data-view-global-note]');
+    if (globalNote) {
+        globalNote.addEventListener('input', (e) => {
+            patternDraft.viewGlobalNote = e.target.value;
+            persistPatternDraft();
+        });
+    }
+}
+
+function renderPatternLibrary() {
+    const lib = document.getElementById('patternLibrary');
+    if (!lib) return;
+    if (!patterns.length) {
+        lib.innerHTML = `<p style="color: var(--text-muted);">No saved patterns yet. Save your draft to add it here.</p>`;
+        return;
+    }
+    lib.innerHTML = patterns.map(p => {
+        const subtitle = p.draft?.meta?.designer || '';
+        return `
+            <div class="pattern-library-item">
+                <div>
+                    <div class="pattern-lib-title">${p.name || 'Pattern'}</div>
+                    <div class="pattern-lib-subtitle">${subtitle}</div>
+                </div>
+                <div class="pattern-lib-actions">
+                    <button class="secondary" onclick="loadPatternFromLibrary('${p.id}')">Load</button>
+                    <button class="secondary danger" onclick="deletePatternFromLibrary('${p.id}')">Delete</button>
+                </div>
+            </div>
+        `;
+    }).join('');
+}
+
+function savePatternDraft() {
+    const name = patternDraft.meta.title?.trim() || 'Pattern';
+    const draftCopy = JSON.parse(JSON.stringify(patternDraft));
+    if (!Array.isArray(patterns)) patterns = [];
+    const stepsForProjects = draftCopy.steps || [];
+    if (currentPatternId) {
+        const idx = patterns.findIndex(p => p.id === currentPatternId);
+        if (idx >= 0) {
+            patterns[idx] = { id: currentPatternId, name, draft: draftCopy };
+        } else {
+            const id = currentPatternId;
+            patterns.push({ id, name, draft: draftCopy });
+        }
+    } else {
+        const id = `pat-${Date.now()}`;
+        currentPatternId = id;
+        patterns.push({ id, name, draft: draftCopy });
+    }
+    localStorage.setItem('crochetPatterns', JSON.stringify(patterns));
+    // Propagate instructions to linked projects
+    let changed = false;
+    projects.forEach(project => {
+        if (project.patternId === currentPatternId && Array.isArray(project.parts)) {
+            project.parts.forEach((part, idx) => {
+                const st = stepsForProjects[idx];
+                if (!st) return;
+                part.instructions = { title: st.title || `Step ${idx + 1}`, rows: st.rows || [] };
+                if (part.instructionsCollapsed === undefined) part.instructionsCollapsed = true;
+                changed = true;
+            });
+        }
+    });
+    if (changed) save();
+    renderPatternLibrary();
+    showAlert({ title: 'Saved', text: `"${name}" added to your basket.` });
+}
+
+function loadPatternFromLibrary(id) {
+    if (!Array.isArray(patterns)) patterns = [];
+    const found = patterns.find(p => p.id === id);
+    if (!found) {
+        showAlert({ title: 'Not found', text: 'That saved pattern was not found.' });
+        return;
+    }
+    try {
+        const draftCopy = JSON.parse(JSON.stringify(found.draft || {}));
+        patternDraft = normalizePatternDraft(draftCopy);
+        currentPatternId = found.id;
+        // Recompute row counters based on existing output
+        const lines = (patternDraft.output || '').split('\n').filter(l => l.trim() !== '');
+        patternDraft.currentRow = Math.max(1, lines.length + 1);
+        // Update any linked projects to use latest instructions
+        let changed = false;
+        projects.forEach(project => {
+            if (project.patternId === currentPatternId && Array.isArray(project.parts)) {
+                (patternDraft.steps || []).forEach((st, idx) => {
+                    if (!project.parts[idx]) return;
+                    project.parts[idx].instructions = { title: st.title || `Step ${idx + 1}`, rows: st.rows || [] };
+                    project.parts[idx].instructionsCollapsed = project.parts[idx].instructionsCollapsed ?? true;
+                    changed = true;
+                });
+            }
+        });
+        if (changed) save();
+    } catch (err) {
+        showAlert({ title: 'Load failed', text: 'Saved pattern data is invalid.' });
+        return;
+    }
+    localStorage.setItem('crochetPatternDraft', JSON.stringify(patternDraft));
+    syncPatternUI();
+    renderPatternLibrary();
+    showPatternTab('steps');
+    showAlert({ title: 'Loaded', text: `"${found.name}" loaded into the composer.` });
+}
+
+function deletePatternFromLibrary(id) {
+    patterns = patterns.filter(p => p.id !== id);
+    if (currentPatternId === id) currentPatternId = null;
+    localStorage.setItem('crochetPatterns', JSON.stringify(patterns));
+    renderPatternLibrary();
+}
+
+function togglePartInstructions(pId, partId) {
+    const project = projects.find(p => p.id === pId);
+    if (!project) return;
+    const part = project.parts.find(pt => pt.id === partId);
+    if (!part || !part.instructions) return;
+    part.instructionsCollapsed = !part.instructionsCollapsed;
+    save();
+}
+
 function addStep() {
     patternDraft.steps.push({ title: '', rows: [], rowDraft: '', note: '', image: '' });
     persistPatternDraft();
@@ -875,7 +1077,10 @@ function openPatternComposer() {
     if (!patternOverlay) return;
     patternOverlay.classList.add('active');
     syncPatternUI();
-    showPatternTab('steps');
+    renderPatternLibrary();
+    renderPatternView();
+    const savedTab = localStorage.getItem('patternActiveTab') || 'steps';
+    showPatternTab(savedTab);
 }
 
 function closePatternComposer() {
@@ -892,6 +1097,130 @@ let fireflyTimer = null;
 let fireflyActive = false;
 let titleClicks = [];
 let easterEggCooling = false;
+// --- Auth State (backend) ---
+
+function updateAuthUI() {
+    const badge = document.getElementById('authStatusBadge');
+    const lastSync = document.getElementById('authLastSync');
+    const whenIn = document.querySelector('.auth-when-in');
+    const whenOut = document.querySelector('.auth-when-out');
+    const tabs = document.querySelector('.auth-tabs');
+    const displayNameInput = document.getElementById('authDisplayName');
+    const noteInput = document.getElementById('authNote');
+
+    const signedIn = !!auth.token;
+    if (badge) {
+        badge.textContent = signedIn ? `Signed in: ${auth.email || 'Account'}` : 'Signed out';
+        badge.classList.toggle('is-on', signedIn);
+    }
+    if (lastSync) {
+        lastSync.textContent = `Status: ${auth.status || 'unknown'}`;
+    }
+    if (whenIn) whenIn.style.display = signedIn ? 'block' : 'none';
+    if (whenOut) whenOut.style.display = signedIn ? 'none' : 'block';
+    if (tabs) tabs.style.display = signedIn ? 'none' : 'flex';
+    if (displayNameInput && auth.profile) displayNameInput.value = auth.profile.display_name || '';
+    if (noteInput && auth.profile) noteInput.value = auth.profile.note || '';
+    const adminPanel = document.getElementById('adminPanel');
+    if (adminPanel) adminPanel.style.display = signedIn && auth.isAdmin ? 'block' : 'none';
+}
+
+function openAuthModal() {
+    const overlay = document.getElementById('authOverlay');
+    if (!overlay) return;
+    overlay.classList.add('active');
+    updateAuthUI();
+}
+
+function closeAuthModal() {
+    const overlay = document.getElementById('authOverlay');
+    if (!overlay) return;
+    overlay.classList.remove('active');
+}
+
+function setAuthMode(mode) {
+    document.querySelectorAll('.auth-tab').forEach(btn => {
+        btn.classList.toggle('is-active', btn.dataset.mode === mode);
+    });
+    auth.mode = mode;
+}
+
+async function submitAuth(event) {
+    if (event) event.preventDefault();
+    const email = (document.getElementById('authEmail') || {}).value || '';
+    const password = (document.getElementById('authPassword') || {}).value || '';
+    if (!email || !password) {
+        alert('Please enter email and password to continue.');
+        return false;
+    }
+    try {
+        const endpoint = auth.mode === 'signup' ? '/api/signup' : '/api/login';
+        const resp = await fetch(endpoint, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ email, password })
+        });
+        const data = await resp.json();
+        if (!resp.ok) {
+            showAlert({ title: 'Auth failed', text: data.error || 'Invalid credentials' });
+            return false;
+        }
+        auth = { token: data.token, email: data.email, isAdmin: !!data.is_admin, status: data.status || 'active', mode: 'login' };
+        localStorage.setItem('authToken', auth.token);
+        updateAuthUI();
+        closeAuthModal();
+        await fetchProfile();
+    } catch (err) {
+        showAlert({ title: 'Auth failed', text: err.message });
+    }
+    return false;
+}
+
+async function autoSync() {
+    await fetchProfile();
+}
+
+async function saveProfile() {
+    const displayName = (document.getElementById('authDisplayName') || {}).value || '';
+    const note = (document.getElementById('authNote') || {}).value || '';
+    try {
+        await fetch('/api/me', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json', 'Authorization': `Bearer ${auth.token}` },
+            body: JSON.stringify({ displayName, note })
+        });
+        await fetchProfile();
+        showAlert({ title: 'Profile saved' });
+    } catch (err) {
+        showAlert({ title: 'Profile save failed', text: err.message });
+    }
+}
+
+async function fetchProfile() {
+    if (!auth.token) return;
+    const resp = await fetch('/api/me', { headers: { Authorization: `Bearer ${auth.token}` } });
+    const data = await resp.json();
+    if (!resp.ok) {
+        showAlert({ title: 'Profile fetch failed', text: data.error || 'Error' });
+        return;
+    }
+    auth.profile = data.profile;
+    auth.isAdmin = !!data.profile.is_admin;
+    auth.status = data.profile.status || 'active';
+    document.getElementById('authDisplayName').value = data.profile.display_name || '';
+    document.getElementById('authNote').value = data.profile.note || '';
+    updateAuthUI();
+}
+
+async function logoutAuth() {
+    try {
+        await fetch('/api/logout', { method: 'POST', headers: { Authorization: `Bearer ${auth.token}` } });
+    } catch (e) {}
+    auth = { token: '', email: '', isAdmin: false, status: 'unknown' };
+    localStorage.removeItem('authToken');
+    updateAuthUI();
+    closeAuthModal();
+}
 
 // --- Service Worker ---
 if ('serviceWorker' in navigator) {
@@ -938,6 +1267,29 @@ if (installBtn) {
 
 if (isStandalone()) hideInstall();
 
+// Initialize auth UI
+updateAuthUI();
+// expose auth helpers
+window.openAuthModal = openAuthModal;
+window.closeAuthModal = closeAuthModal;
+window.setAuthMode = setAuthMode;
+window.submitAuth = submitAuth;
+window.autoSync = autoSync;
+window.saveProfile = saveProfile;
+window.logoutAuth = logoutAuth;
+window.savePatternDraft = savePatternDraft;
+window.loadPatternFromLibrary = loadPatternFromLibrary;
+window.deletePatternFromLibrary = deletePatternFromLibrary;
+window.sharePattern = sharePattern;
+window.togglePartInstructions = togglePartInstructions;
+window.fetchPendingUsers = fetchPendingUsers;
+window.downloadBackup = downloadBackup;
+window.uploadRestore = uploadRestore;
+window.setAuthMode = setAuthMode;
+window.approveUser = approveUser;
+window.suspendUser = suspendUser;
+window.makeAdmin = makeAdmin;
+
 // --- Sweet-ish Alerts ---
 function removeSwal() {
     const existing = document.querySelector('.swal-overlay');
@@ -1492,7 +1844,54 @@ async function resetCount(pId, partId) {
 function saveProjectAsPattern(pId) {
     const project = projects.find(p => p.id === pId);
     if (!project) return;
-    openModal('savePattern', pId);
+    const patternName = project ? `${project.name}` : 'Pattern';
+    // If a different pattern is loaded, warn before overwriting the active draft
+    if (currentPatternId) {
+        showConfirm({
+            title: 'Overwrite current draft?',
+            text: 'Creating a pattern from this project will replace the draft currently in the composer.',
+            confirmText: 'Replace draft',
+            cancelText: 'Cancel',
+            danger: false
+        }).then(ok => {
+            if (ok) buildPatternFromProject(project, patternName);
+        });
+        return;
+    }
+    buildPatternFromProject(project, patternName);
+}
+
+function buildPatternFromProject(project, patternName) {
+    // build patternDraft from project parts
+    const steps = (project.parts || []).map((part, idx) => ({
+        title: part.name || `Part ${idx + 1}`,
+        rows: [],
+        rowDraft: '',
+        note: part.note || '',
+        image: ''
+    }));
+    const newDraft = normalizePatternDraft({
+        mode: 'crochet',
+        meta: { title: patternName, designer: '' },
+        materials: '',
+        gauge: '',
+        gaugeSts: '',
+        gaugeRows: '',
+        gaugeHook: '',
+        size: '',
+        abbrev: patternDraft.abbrev,
+        abbrevSelection: patternDraft.abbrevSelection || [],
+        stitches: '',
+        notes: project.note || '',
+        steps
+    });
+    patternDraft = newDraft;
+    currentPatternId = null;
+    persistPatternDraft();
+    syncPatternUI();
+    renderPatternLibrary();
+    showPatternTab('steps');
+    showAlert({ title: 'Pattern created', text: `"${patternName}" is ready in the composer.` });
 }
 
 // --- Modal Logic ---
@@ -1552,31 +1951,34 @@ function closeModal() {
 
         if (modalState.type === 'addProject') {
             const nextColor = colors[projects.length % colors.length];
-            const newProject = { id: Date.now(), name: val, color: nextColor, collapsed: false, note: '', parts: [] };
+            const newProject = { id: Date.now(), name: val, color: nextColor, collapsed: false, note: '', parts: [], patternId: null };
             const selectedPatternId = patternSelect ? patternSelect.value : '';
             const chosenPattern = selectedPatternId ? patterns.find(p => String(p.id) === selectedPatternId) : null;
-            if (chosenPattern && Array.isArray(chosenPattern.parts) && chosenPattern.parts.length) {
-                chosenPattern.parts.forEach((pt, idx) => {
+            if (chosenPattern && chosenPattern.draft && Array.isArray(chosenPattern.draft.steps) && chosenPattern.draft.steps.length) {
+                newProject.patternId = chosenPattern.id;
+                chosenPattern.draft.steps.forEach((st, idx) => {
                     newProject.parts.push({
                         id: Date.now() + idx + 1,
-                        name: pt.name || `Part ${idx + 1}`,
+                        name: st.title || `Step ${idx + 1}`,
                         count: 0,
                         locked: false,
                         finished: false,
                         minimized: false,
-                        max: pt.max ?? null,
-                        color: pt.color || newProject.color,
-                        note: ''
+                        max: null,
+                        color: nextColor,
+                        note: '',
+                        instructionsCollapsed: true,
+                        instructions: { title: st.title || `Step ${idx + 1}`, rows: st.rows || [] }
                     });
                 });
             } else {
-                newProject.parts.push({ id: Date.now() + 1, name: 'Part 1', count: 0, locked: false, finished: false, minimized: false, max: null, color: nextColor, note: '' });
+                newProject.parts.push({ id: Date.now() + 1, name: 'Part 1', count: 0, locked: false, finished: false, minimized: false, max: null, color: nextColor, note: '', instructionsCollapsed: true, instructions: null });
             }
             projects.push(newProject);
         } 
         else if (modalState.type === 'addPart') {
             const project = projects.find(p => p.id === modalState.pId);
-            project.parts.push({ id: Date.now(), name: val, count: 0, locked: false, finished: false, minimized: false, max: null, color: project.color, note: '' });
+            project.parts.push({ id: Date.now(), name: val, count: 0, locked: false, finished: false, minimized: false, max: null, color: project.color, note: '', instructionsCollapsed: true, instructions: null });
             project.collapsed = false;
         }
         else if (modalState.type === 'renamePart') {
@@ -1710,6 +2112,19 @@ function render() {
                     <button class="action-btn ${lockBtnClass}" onclick="togglePartLock(${project.id}, ${part.id})">${lockIcon}</button>
                     <button class="action-btn btn-plus ${controlsDimmed}" onclick="updateCount(${project.id}, ${part.id}, 1)">+</button>
                 </div>
+                ${part.instructions ? `
+                <div class="instructions-block ${part.instructionsCollapsed ? 'collapsed' : ''}">
+                    <div class="instructions-head">
+                        <span>Pattern</span>
+                        <button class="note-toggle" onclick="togglePartInstructions(${project.id}, ${part.id})">${part.instructionsCollapsed ? 'Show' : 'Hide'}</button>
+                    </div>
+                    <div class="instructions-body">
+                        <div class="instruction-title">${part.instructions.title || ''}</div>
+                        <ul class="instruction-rows">
+                            ${(part.instructions.rows || []).map((r,i)=>`<li>Row ${i+1}: ${r}</li>`).join('') || '<li class="muted">No rows</li>'}
+                        </ul>
+                    </div>
+                </div>` : ''}
                 <div class="note-area" id="${partNoteId}">
                     <textarea placeholder="Notes for this part..." oninput="updatePartNote(event, ${project.id}, ${part.id})">${part.note || ''}</textarea>
                 </div>
@@ -1730,7 +2145,13 @@ function render() {
                 </div>
                 <div class="project-actions">
                     <button class="btn-add-part" onclick="openModal('addPart', ${project.id})">+ Part</button>
-                    <button class="btn-save-pattern" onclick="saveProjectAsPattern(${project.id})" title="Save as pattern"><i class="fa-solid fa-swatchbook"></i></button>
+                    ${project.patternId ? `
+                        <span class="project-link-icon" title="Linked to pattern">
+                            <i class="fa-solid fa-link"></i>
+                        </span>
+                    ` : `
+                        <button class="btn-save-pattern" onclick="saveProjectAsPattern(${project.id})" title="Save as pattern"><i class="fa-solid fa-swatchbook"></i></button>
+                    `}
                     <button class="btn-delete-project" onclick="deleteProject(${project.id})">×</button>
                 </div>
             </div>
@@ -1749,13 +2170,126 @@ function render() {
 }
 
 render();
+if (auth.token) {
+    fetchProfile().catch(()=>{});
+}
 function flashSave() {
     const el = document.getElementById('patternSaveIndicator');
+    const mini = document.getElementById('patternSaveIndicatorMini');
     if (!el) return;
     el.textContent = 'Saved';
     el.style.opacity = '1';
+    if (mini) mini.textContent = 'Saved';
     if (saveFlashTimer) clearTimeout(saveFlashTimer);
     saveFlashTimer = setTimeout(() => {
         el.style.opacity = '0.6';
     }, 1200);
 }
+
+function sharePattern() {
+    try {
+        const payload = { patternDraft };
+        const json = JSON.stringify(payload);
+        const b64 = btoa(unescape(encodeURIComponent(json)));
+        const base = `${location.origin}${location.pathname.replace(/[^/]*$/, '')}`;
+        const url = `${base}pattern-viewer.html?data=${encodeURIComponent(b64)}`;
+        navigator.clipboard?.writeText(url);
+        showAlert({ title: 'Share link ready', text: 'Link copied to clipboard. Open on any device to view checklist.' });
+    } catch (err) {
+        showAlert({ title: 'Share failed', text: err.message });
+    }
+}
+
+async function fetchPendingUsers() {
+    if (!auth.token || !auth.isAdmin) return;
+    const resp = await fetch('/api/admin/users/pending', { headers: { Authorization: `Bearer ${auth.token}` } });
+    const data = await resp.json();
+    if (!resp.ok) {
+        showAlert({ title: 'Failed', text: data.error || 'Could not load pending users' });
+        return;
+    }
+    pendingUsers = data.users || [];
+    const list = document.getElementById('pendingList');
+    if (list) {
+        list.innerHTML = pendingUsers.map(u => `
+            <div class="admin-item">
+                <div class="meta">
+                    <strong>${u.email}</strong>
+                    <span>${u.display_name || ''}</span>
+                </div>
+                <div class="admin-actions">
+                    <button class="modal-btn btn-save" onclick="approveUser('${u.id}')">Approve</button>
+                    <button class="modal-btn btn-cancel" onclick="suspendUser('${u.id}')">Suspend</button>
+                    <button class="modal-btn btn-save" onclick="makeAdmin('${u.id}')">Make admin</button>
+                </div>
+            </div>
+        `).join('') || '<p class="auth-hint">No pending users.</p>';
+    }
+}
+
+async function updateUserStatus(id, status) {
+    const resp = await fetch(`/api/admin/users/${id}/status`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json', Authorization: `Bearer ${auth.token}` },
+        body: JSON.stringify({ status })
+    });
+    const data = await resp.json();
+    if (!resp.ok) {
+        showAlert({ title: 'Failed', text: data.error || 'Update failed' });
+    } else {
+        fetchPendingUsers();
+    }
+}
+async function approveUser(id) { return updateUserStatus(id, 'active'); }
+async function suspendUser(id) { return updateUserStatus(id, 'suspended'); }
+
+async function makeAdmin(id) {
+    const resp = await fetch(`/api/admin/users/${id}/admin`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json', Authorization: `Bearer ${auth.token}` },
+        body: JSON.stringify({ is_admin: true })
+    });
+    const data = await resp.json();
+    if (!resp.ok) showAlert({ title: 'Failed', text: data.error || 'Admin update failed' });
+    else fetchPendingUsers();
+}
+
+async function downloadBackup() {
+    const resp = await fetch('/api/admin/backup', { headers: { Authorization: `Bearer ${auth.token}` } });
+    const data = await resp.json();
+    if (!resp.ok) {
+        showAlert({ title: 'Backup failed', text: data.error || 'Error' });
+        return;
+    }
+    const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `backup_${new Date().toISOString()}.json`;
+    a.click();
+    URL.revokeObjectURL(url);
+}
+
+async function uploadRestore(event) {
+    const file = event.target.files[0];
+    if (!file) return;
+    try {
+        const text = await file.text();
+        const payload = JSON.parse(text);
+        const resp = await fetch('/api/admin/restore', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json', Authorization: `Bearer ${auth.token}` },
+            body: JSON.stringify(payload)
+        });
+        const data = await resp.json();
+        if (!resp.ok) {
+            showAlert({ title: 'Restore failed', text: data.error || 'Error' });
+        } else {
+            showAlert({ title: 'Restore complete', text: 'Data restored.' });
+        }
+    } catch (err) {
+        showAlert({ title: 'Restore failed', text: err.message });
+    } finally {
+        event.target.value = '';
+    }
+}
diff --git a/assets/style.css b/assets/style.css
index 4e6f226..51cb892 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -184,6 +184,33 @@ h1 {
 .pattern-mode { border: 1px solid var(--border); background: var(--input-bg); color: var(--text); padding: 6px 10px; border-radius: 10px; cursor: pointer; }
 .pattern-mode.is-active { background: var(--project-color); color: var(--card-bg); border-color: var(--project-color); }
 .pattern-save-indicator { color: var(--text-muted); font-size: 0.9rem; }
+.pattern-save-indicator.small { font-size: 0.85rem; }
+.pattern-toolbar {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 12px;
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    background: var(--input-bg);
+    margin-bottom: 12px;
+}
+.pattern-toolbar-left { display: flex; gap: 8px; flex-wrap: wrap; }
+.pattern-toolbar-right { display: flex; align-items: center; }
+.toolbar-btn {
+    background: var(--card-bg);
+    border: 1px solid var(--border);
+    border-radius: 10px;
+    color: var(--text);
+    padding: 8px 12px;
+    display: inline-flex;
+    gap: 6px;
+    align-items: center;
+    cursor: pointer;
+}
+.toolbar-btn i { color: var(--project-color); }
+.toolbar-btn:hover { border-color: var(--project-color); }
 .pattern-body { display: grid; gap: 12px; }
 .pattern-row-info { color: var(--text-muted); font-size: 0.95rem; }
 .pattern-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
@@ -193,14 +220,45 @@ h1 {
 .pattern-tab {
     background: var(--input-bg);
     border: 1px solid var(--border);
-    padding: 6px 10px;
+    padding: 8px 12px;
     border-radius: 10px;
     cursor: pointer;
     color: var(--text);
+    font-weight: 700;
 }
 .pattern-tab.is-active { background: var(--project-color); color: var(--card-bg); border-color: var(--project-color); }
-.pattern-section { display: none; border: 1px dashed var(--border); padding: 12px; border-radius: 12px; background: var(--card-bg); }
+.pattern-section { display: none; border: 1px solid var(--border); padding: 14px; border-radius: 14px; background: var(--card-bg); box-shadow: 0 10px 22px rgba(0,0,0,0.08); }
 .pattern-section.is-active { display: block; }
+
+.pattern-view { display: grid; gap: 10px; }
+.view-card {
+    border: 1px solid var(--border);
+    border-radius: 14px;
+    padding: 12px;
+    background: var(--card-bg);
+    box-shadow: 0 6px 14px rgba(0,0,0,0.08);
+}
+.view-title { margin: 0 0 4px; font-size: 1.1rem; }
+.view-sub { margin: 0; color: var(--text-muted); font-size: 0.95rem; }
+.view-steps { display: grid; gap: 8px; }
+.view-step {
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    padding: 10px;
+    background: var(--input-bg);
+}
+.view-step header { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
+.view-step header .title { font-weight: 800; }
+.view-check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
+.view-check input { position: absolute; opacity: 0; pointer-events: none; }
+.view-check .fa-square { color: var(--text-muted); }
+.view-check .fa-square-check { color: var(--project-color); display: none; }
+.view-check input:checked + .fa-square { display: none; }
+.view-check input:checked ~ .fa-square-check { display: inline; }
+.view-step .rows { margin: 0; padding-left: 16px; color: var(--text); }
+.view-step textarea { width: 100%; min-height: 60px; border-radius: 10px; border: 1px solid var(--border); background: var(--card-bg); color: var(--text); padding: 8px; }
+.view-step.is-finished .view-step-body { display: none; }
+.view-step.is-finished { opacity: 0.8; }
 .field-label { display: block; margin: 8px 0 4px; color: var(--text-muted); font-size: 0.9rem; }
 .pattern-section input, .pattern-section textarea {
     width: 100%;
@@ -257,6 +315,37 @@ h1 {
 .add-step-row .add-step-btn { padding: 10px 16px; border-radius: 12px; border: none; background: var(--project-color); color: var(--card-bg); cursor: pointer; font-weight: 700; }
 .add-step-row .add-step-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(0,0,0,0.12); }
 .add-step-row .add-step-btn:active { transform: translateY(0); box-shadow: none; }
+
+.pattern-library { display: grid; gap: 10px; max-height: 320px; overflow-y: auto; }
+.pattern-library-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 12px;
+    border-radius: 12px;
+    background: var(--input-bg);
+    border: 1px solid var(--border);
+}
+.pattern-lib-title { font-weight: 800; color: var(--text); }
+.pattern-lib-subtitle { color: var(--text-muted); font-size: 0.9rem; }
+.pattern-lib-actions { display: flex; gap: 8px; }
+
+.instructions-block {
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    background: var(--card-bg);
+    padding: 8px 10px;
+    margin-top: 8px;
+}
+.instructions-head { display: flex; justify-content: space-between; align-items: center; }
+.instructions-body { margin-top: 6px; display: ${'' /* fallback */}; }
+.instructions-block.collapsed .instructions-body { display: none; }
+.instruction-title { font-weight: 700; margin-bottom: 4px; }
+.instruction-rows { margin: 0; padding-left: 16px; }
+.instruction-rows li { margin: 2px 0; color: var(--text); }
+.instruction-rows .muted { color: var(--text-muted); }
+
 .step-number {
     font-weight: 800;
     color: var(--project-color);
@@ -416,6 +505,65 @@ h1 {
 .save-actions { display: flex; justify-content: flex-end; gap: 8px; }
 .icon-woodland { width: 22px; height: 22px; }
 
+/* Auth Modal */
+.auth-overlay {
+    position: fixed;
+    inset: 0;
+    background: rgba(44, 35, 25, 0.6);
+    display: none;
+    align-items: center;
+    justify-content: center;
+    z-index: 220;
+    padding: 20px;
+    backdrop-filter: blur(2px);
+}
+.auth-overlay.active { display: flex; }
+.auth-modal {
+    background: var(--card-bg);
+    color: var(--text);
+    border-radius: 16px;
+    padding: 18px 18px 14px;
+    width: min(440px, 92vw);
+    box-shadow: 0 14px 32px rgba(0,0,0,0.22);
+    border: 1px solid var(--border);
+}
+.auth-modal-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
+.auth-subtext { margin: 4px 0 10px; color: var(--text-muted); font-size: 0.92rem; }
+.auth-status { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
+.status-pill { padding: 6px 10px; border-radius: 999px; background: var(--input-bg); border: 1px solid var(--border); font-weight: 700; color: var(--text); }
+.status-pill.is-on { background: var(--project-color); color: var(--card-bg); border-color: var(--project-color); }
+.status-subtext { color: var(--text-muted); font-size: 0.9rem; }
+.auth-tabs { display: flex; gap: 8px; margin: 6px 0 12px; }
+.auth-tab {
+    background: var(--input-bg);
+    border: 1px solid var(--border);
+    padding: 8px 12px;
+    border-radius: 10px;
+    cursor: pointer;
+    color: var(--text);
+    font-weight: 700;
+}
+.auth-tab.is-active { background: var(--project-color); color: var(--card-bg); border-color: var(--project-color); }
+.auth-form { display: grid; gap: 8px; }
+.auth-hint { margin: 4px 0; color: var(--text-muted); font-size: 0.9rem; }
+.auth-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
+.auth-actions-stack { flex-wrap: wrap; justify-content: flex-start; }
+.auth-when-in { display: none; }
+.auth-when-out { display: block; }
+.admin-panel { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); display: grid; gap: 8px; }
+.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }
+.admin-list { display: grid; gap: 8px; max-height: 200px; overflow-y: auto; }
+.admin-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--input-bg); }
+.admin-item .meta { display: grid; gap: 2px; }
+.admin-item .modal-btn { padding: 6px 10px; }
+
+@media (max-width: 820px) {
+    .pattern-sheet { padding: 12px; }
+    .pattern-toolbar { flex-direction: column; align-items: flex-start; }
+    .pattern-tabs { justify-content: center; }
+    .pattern-tab { flex: 1 1 120px; text-align: center; }
+}
+
 .container {
     max-width: 1200px;
     margin: 0 auto;
@@ -485,6 +633,17 @@ h1 {
     border-radius: 14px; padding: 6px 10px; font-size: 0.9rem; cursor: pointer;
 }
 .btn-save-pattern:hover { color: var(--project-color); border-color: var(--project-color); }
+.project-link-icon {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    background: var(--input-bg);
+    border: 1px solid var(--border);
+    color: var(--text);
+}
 
 .btn-delete-project {
     background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; padding: 5px;
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..e1a32cd
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,31 @@
+services:
+  db:
+    image: postgres:15-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: toadstool
+      POSTGRES_PASSWORD: toadstool
+      POSTGRES_DB: toadstool
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    ports:
+      - "5440:5432"
+
+  api:
+    build: .
+    restart: unless-stopped
+    environment:
+      DATABASE_URL: postgres://toadstool:toadstool@db:5432/toadstool
+      PORT: 4000
+      UPLOAD_DIR: /app/server/uploads
+      ADMIN_EMAIL: chris@chrisedwards.tech
+      ADMIN_PASSWORD: R4e3w2q1
+    volumes:
+      - ./server/uploads:/app/server/uploads
+    depends_on:
+      - db
+    ports:
+      - "4000:4000"
+
+volumes:
+  db_data:
diff --git a/index.html b/index.html
index 944908c..1547a4a 100644
--- a/index.html
+++ b/index.html
@@ -28,6 +28,7 @@
         <button class="header-btn" id="themeBtn" onclick="toggleTheme()" title="Toggle Dark Mode"><i class="fa-solid fa-moon"></i></button>
         <button class="header-btn" id="focusBtn" onclick="toggleFocusMode()" title="Focus Mode (Keeps Screen On)"><i class="fa-solid fa-eye"></i></button>
         <button class="header-btn" id="saveLoadBtn" onclick="openSaveModal()" title="Save/Load"><i class="fa-solid fa-floppy-disk"></i></button>
+        <button class="header-btn" id="authBtn" onclick="openAuthModal()" title="Sign in to sync"><i class="fa-solid fa-user"></i></button>
     </div>
 </header>
 <input type="file" id="importFile" accept="application/json" class="hidden-input" />
@@ -87,6 +88,62 @@
     </div>
 </div>
 
+<div class="auth-overlay" id="authOverlay">
+    <div class="auth-modal">
+        <div class="auth-modal-head">
+            <div>
+                <h3 class="color-title">Sign in (optional)</h3>
+                <p class="auth-subtext">Stay free forever. Sign in only if you want cloud backups and device switching.</p>
+            </div>
+            <button class="pattern-close" onclick="closeAuthModal()">&times;</button>
+        </div>
+        <div class="auth-status">
+            <span id="authStatusBadge" class="status-pill">Signed out</span>
+            <span id="authLastSync" class="status-subtext">Last sync: never</span>
+        </div>
+        <div class="auth-tabs">
+            <button class="auth-tab" data-mode="login" onclick="setAuthMode('login')">Login</button>
+            <button class="auth-tab" data-mode="signup" onclick="setAuthMode('signup')">Sign up</button>
+        </div>
+        <form class="auth-form" onsubmit="return submitAuth(event)">
+            <div class="auth-when-out">
+                <label class="field-label" for="authEmail">Email</label>
+                <input id="authEmail" type="email" placeholder="you@example.com" autocomplete="email">
+                <label class="field-label" for="authPassword">Password</label>
+                <input id="authPassword" type="password" placeholder="••••••••" autocomplete="current-password">
+                <p class="auth-hint">Cloud sync is not required. Offline data stays on this device. When enabled, we’ll sync projects/patterns securely.</p>
+                <div class="auth-actions">
+                    <button type="button" class="modal-btn btn-cancel" onclick="closeAuthModal()">Cancel</button>
+                    <button type="submit" class="modal-btn btn-save">Continue</button>
+                </div>
+            </div>
+            <div class="auth-when-in">
+                <label class="field-label" for="authDisplayName">Display name</label>
+                <input id="authDisplayName" type="text" placeholder="Your name">
+                <label class="field-label" for="authNote">Profile note</label>
+                <textarea id="authNote" rows="2" placeholder="Add a note for your patterns..."></textarea>
+                <div class="auth-actions auth-actions-stack">
+                    <button type="button" class="modal-btn btn-save" onclick="autoSync()">Sync now</button>
+                    <button type="button" class="modal-btn btn-save" onclick="saveProfile()">Save profile</button>
+                    <button type="button" class="modal-btn btn-cancel" onclick="logoutAuth()">Log out</button>
+                </div>
+                <div id="adminPanel" class="admin-panel" style="display:none;">
+                    <h4>Admin</h4>
+                    <div class="admin-actions">
+                        <button type="button" class="modal-btn btn-save" onclick="fetchPendingUsers()">Refresh pending</button>
+                        <button type="button" class="modal-btn btn-save" onclick="downloadBackup()">Download backup</button>
+                        <label class="modal-btn btn-save">
+                            Restore backup
+                            <input type="file" id="restoreInput" accept="application/json" style="display:none;" onchange="uploadRestore(event)">
+                        </label>
+                    </div>
+                    <div id="pendingList" class="admin-list"></div>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
 <div class="pattern-overlay" id="patternOverlay">
     <div class="pattern-sheet">
         <div class="pattern-sheet-header">
@@ -101,10 +158,23 @@
             <div class="pattern-save-indicator" id="patternSaveIndicator">Saved</div>
             <button class="pattern-close" onclick="closePatternComposer()">&times;</button>
         </div>
+        <div class="pattern-toolbar">
+            <div class="pattern-toolbar-left">
+                <button class="toolbar-btn" onclick="savePatternDraft()" title="Save draft to basket"><i class="fa-solid fa-bookmark"></i> Save</button>
+                <button class="toolbar-btn" onclick="exportPatternPDF()" title="Export PDF"><i class="fa-solid fa-file-pdf"></i> PDF</button>
+                <button class="toolbar-btn" onclick="sharePattern()" title="Share link"><i class="fa-solid fa-link"></i> Share</button>
+                <button class="toolbar-btn" onclick="clearPatternOutput()" title="Clear draft"><i class="fa-solid fa-eraser"></i> Clear</button>
+            </div>
+            <div class="pattern-toolbar-right">
+                <span class="pattern-save-indicator small" id="patternSaveIndicatorMini">Saved</span>
+            </div>
+        </div>
         <div class="pattern-body">
             <div class="pattern-tabs">
                 <button class="pattern-tab" data-tab="info" onclick="showPatternTab('info')">Pattern Info</button>
                 <button class="pattern-tab" data-tab="steps" onclick="showPatternTab('steps')">Steps</button>
+                <button class="pattern-tab" data-tab="view" onclick="showPatternTab('view')">View</button>
+                <button class="pattern-tab" data-tab="library" onclick="showPatternTab('library')">My Basket</button>
             </div>
             <div class="pattern-section" data-section="info">
                 <label class="field-label" for="patternTitle">Title</label>
@@ -140,10 +210,7 @@
                 <label class="field-label" for="patternNotes">Notes / finishing</label>
                 <textarea id="patternNotes" placeholder="Assembly, finishing, safety warnings, credits..."></textarea>
                 <div class="pattern-row-actions pattern-footer">
-                    <button onclick="clearPatternOutput()">Clear pattern</button>
-                    <button class="secondary" onclick="exportPatternJSON()">Export JSON</button>
                     <button class="secondary" onclick="importPatternJSON()">Import JSON</button>
-                    <button class="primary" onclick="exportPatternPDF()">Export PDF</button>
                 </div>
             </div>
             <div class="pattern-section" data-section="steps">
@@ -153,96 +220,15 @@
                 </div>
                 <div id="patternSteps"></div>
             </div>
-        </div>
-    </div>
-</div>
-
-<div class="pattern-overlay" id="patternOverlay">
-    <div class="pattern-sheet">
-        <div class="pattern-sheet-header">
-            <div class="pattern-sheet-title">
-                <h2>Pattern Composer</h2>
-                <p class="pattern-sheet-subtitle">Draft rows plus materials, gauge, and abbreviations.</p>
-            </div>
-            <div class="pattern-modes">
-                <button class="pattern-mode" data-mode="crochet" onclick="setPatternMode('crochet')">Crochet</button>
-                <button class="pattern-mode" data-mode="knit" onclick="setPatternMode('knit')">Knit</button>
-            </div>
-            <button class="pattern-close" onclick="closePatternComposer()">&times;</button>
-        </div>
-        <div class="pattern-body">
-            <div class="pattern-tabs">
-                <button class="pattern-tab" data-tab="meta" onclick="showPatternTab('meta')">Cover</button>
-                <button class="pattern-tab" data-tab="materials" onclick="showPatternTab('materials')">Materials</button>
-                <button class="pattern-tab" data-tab="gauge" onclick="showPatternTab('gauge')">Gauge/Size</button>
-                <button class="pattern-tab" data-tab="abbrev" onclick="showPatternTab('abbrev')">Abbrev</button>
-                <button class="pattern-tab" data-tab="stitches" onclick="showPatternTab('stitches')">Stitches</button>
-                <button class="pattern-tab" data-tab="steps" onclick="showPatternTab('steps')">Steps</button>
-                <button class="pattern-tab" data-tab="notes" onclick="showPatternTab('notes')">Notes</button>
-            </div>
-            <div class="pattern-section" data-section="meta">
-                <label class="field-label" for="patternTitle">Title</label>
-                <input id="patternTitle" type="text" placeholder="e.g., Baby Fox Plush">
-                <label class="field-label" for="patternDesigner">Designer / Credits</label>
-                <input id="patternDesigner" type="text" placeholder="Your name or shop">
-            </div>
-            <div class="pattern-section" data-section="materials">
-                <label class="field-label" for="patternMaterials">Materials (one per line)</label>
-                <textarea id="patternMaterials" placeholder="Yarn (Color A) – worsted\nYarn (Color B) – accent\nHook – 4.0 mm\nSafety eyes, stuffing, needle"></textarea>
-            </div>
-            <div class="pattern-section" data-section="gauge">
-                <label class="field-label" for="patternGauge">Gauge</label>
-                <textarea id="patternGauge" placeholder="e.g., 16 sc x 18 rows = 4”/10 cm with 4.0 mm hook"></textarea>
-                <label class="field-label" for="patternSize">Finished size</label>
-                <input id="patternSize" type="text" placeholder="Approx. 6 in / 15 cm tall">
-            </div>
-            <div class="pattern-section" data-section="abbrev">
-                <label class="field-label" for="patternAbbrev">Abbreviations</label>
-                <textarea id="patternAbbrev" placeholder="sc – single crochet\ndc – double crochet\ninc – increase\nk – knit\np – purl"></textarea>
-            </div>
-            <div class="pattern-section" data-section="stitches">
-                <label class="field-label" for="patternStitches">Stitch guide / special stitches</label>
-                <textarea id="patternStitches" placeholder="Magic ring: ...&#10;Invisible decrease: ...&#10;Kfb: knit front and back ..."></textarea>
-            </div>
-            <div class="pattern-section" data-section="steps">
-                <div class="pattern-row-info">Row <span id="patternRowNumber">1</span></div>
-                <div class="pattern-buttons">
-                    <button onclick="addPatternToken('sc')">sc</button>
-                    <button onclick="addPatternToken('hdc')">hdc</button>
-                    <button onclick="addPatternToken('dc')">dc</button>
-                    <button onclick="addPatternToken('ch')">ch</button>
-                    <button onclick="addPatternToken('sl st')">sl st</button>
-                    <button onclick="addPatternToken('inc')">inc</button>
-                    <button onclick="addPatternToken('dec')">dec</button>
-                    <button onclick="addPatternToken('k')">k</button>
-                    <button onclick="addPatternToken('p')">p</button>
-                    <button onclick="addPatternToken('yo')">yo</button>
-                    <button onclick="addPatternToken('k2tog')">k2tog</button>
-                    <button onclick="addPatternToken('[ ] x')">[ ] x</button>
-                </div>
-                <div class="pattern-row-editor">
-                    <textarea id="patternLine" placeholder="Build a row with the buttons above or type manually..."></textarea>
-                    <div class="pattern-row-actions">
-                        <button onclick="clearPatternLine()">Clear line</button>
-                        <button class="primary" onclick="addPatternRow()">Add row</button>
-                    </div>
-                </div>
+            <div class="pattern-section" data-section="library">
                 <div class="pattern-steps-head">
-                    <h4>Steps</h4>
-                    <button class="primary" onclick="addStep()">+ Step</button>
+                    <h4>Saved Patterns</h4>
+                    <button class="primary" onclick="savePatternDraft()">Save Draft to Basket</button>
                 </div>
-                <div id="patternSteps"></div>
+                <div id="patternLibrary" class="pattern-library"></div>
             </div>
-            <div class="pattern-section" data-section="notes">
-                <label class="field-label" for="patternNotes">Notes / finishing</label>
-                <textarea id="patternNotes" placeholder="Assembly, finishing, safety warnings, credits..."></textarea>
-            </div>
-            <div class="pattern-output">
-                <label for="patternOutput">Pattern draft (rows)</label>
-                <textarea id="patternOutput" placeholder="Rows will appear here as you add them..."></textarea>
-                <div class="pattern-row-actions">
-                    <button onclick="clearPatternOutput()">Clear pattern</button>
-                </div>
+            <div class="pattern-section" data-section="view">
+                <div id="patternView" class="pattern-view"></div>
             </div>
         </div>
     </div>
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..684fc93
--- /dev/null
+++ b/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "toadstooltally",
+  "version": "1.0.0",
+  "description": "PWA-friendly, cottagecore row counter for crochet/knitting projects. Manage projects and parts, set max stitches, lock/finish, and enjoy a themed experience with install support and offline caching.",
+  "main": "sw.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}
diff --git a/pattern-viewer.html b/pattern-viewer.html
new file mode 100644
index 0000000..6fb03b0
--- /dev/null
+++ b/pattern-viewer.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Pattern Viewer</title>
+  <link rel="stylesheet" href="assets/style.css">
+  <style>
+    body { background: var(--bg); color: var(--text); padding: 16px; }
+    .viewer { max-width: 720px; margin: 0 auto; padding: 16px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 10px 24px rgba(0,0,0,0.1); }
+    .viewer h1 { margin: 0 0 6px; }
+    .viewer h3 { margin: 12px 0 6px; }
+    .viewer pre { white-space: pre-wrap; background: var(--input-bg); padding: 10px; border-radius: 10px; border: 1px solid var(--border); }
+    .step-list { display: grid; gap: 10px; margin: 12px 0; }
+    .step-card { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: var(--card-bg); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
+    .step-title { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
+    .step-title input { margin-right: 8px; }
+    .step-rows { margin-top: 6px; }
+    .note-box { width: 100%; min-height: 80px; border-radius: 10px; border: 1px solid var(--border); background: var(--input-bg); color: var(--text); padding: 8px; }
+    .meta { display: grid; gap: 6px; margin: 10px 0; font-size: 0.95rem; }
+    .pill { display: inline-block; padding: 4px 8px; border-radius: 999px; background: var(--input-bg); border: 1px solid var(--border); font-size: 0.85rem; margin-right: 6px; margin-bottom: 4px; }
+    .top-actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
+    .back-link { text-decoration: none; color: var(--text); font-weight: 700; }
+    .back-link:hover { color: var(--project-color); }
+    @media (max-width: 600px) { .viewer { padding: 12px; } }
+  </style>
+</head>
+<body>
+  <div class="viewer">
+    <div class="top-actions">
+      <a class="back-link" href="./">← Back to app</a>
+      <span id="viewerStatus" class="pill">Progress saved locally</span>
+    </div>
+    <h1 id="pvTitle">Pattern</h1>
+    <div id="pvDesigner" class="meta"></div>
+    <div id="pvMaterials"></div>
+    <h3>Steps</h3>
+    <div id="pvSteps" class="step-list"></div>
+    <h3>Notes</h3>
+    <textarea id="pvNotes" class="note-box" placeholder="Your notes..." aria-label="Notes"></textarea>
+  </div>
+  <script>
+    const params = new URLSearchParams(location.search);
+    const data = params.get('data');
+    let patternDraft = null;
+    try {
+      if (!data) throw new Error('Missing pattern data');
+      const json = decodeURIComponent(escape(atob(data)));
+      const parsed = JSON.parse(json);
+      if (!parsed.patternDraft) throw new Error('Invalid payload');
+      patternDraft = parsed.patternDraft;
+    } catch (e) {
+      document.body.innerHTML = `<div style="padding:20px;">Failed to load pattern: ${e.message}</div>`;
+      throw e;
+    }
+    const storageKey = `pattern-viewer-${patternDraft.meta?.title || 'pattern'}`;
+    let progress = JSON.parse(localStorage.getItem(storageKey) || '{}');
+    function saveProgress() {
+      localStorage.setItem(storageKey, JSON.stringify(progress));
+    }
+    function render() {
+      document.getElementById('pvTitle').textContent = patternDraft.meta?.title || 'Pattern';
+      document.getElementById('pvDesigner').textContent = patternDraft.meta?.designer || '';
+      const mats = patternDraft.materials || '';
+      document.getElementById('pvMaterials').innerHTML = mats ? `<h3>Materials</h3><pre>${mats}</pre>` : '';
+      const stepsEl = document.getElementById('pvSteps');
+      stepsEl.innerHTML = '';
+      (patternDraft.steps || []).forEach((step, idx) => {
+        const card = document.createElement('div');
+        card.className = 'step-card';
+        const rows = (step.rows || []).map((r,i) => `<div><input type="checkbox" data-step="${idx}" data-row="${i}" ${progress[idx]?.rows?.[i]?'checked':''}> Row ${i+1}: ${r}</div>`).join('');
+        card.innerHTML = `
+          <div class="step-title">
+            <div><strong>Step ${idx+1}</strong> ${step.title ? '– ' + step.title : ''}</div>
+          </div>
+          <div class="step-rows">${rows || '<em>No rows yet.</em>'}</div>
+          <div style="margin-top:6px;">
+            <label>Notes</label>
+            <textarea data-step="${idx}" class="note-box" placeholder="Notes for this step...">${progress[idx]?.note || ''}</textarea>
+          </div>
+        `;
+        stepsEl.appendChild(card);
+      });
+      const pvNotes = document.getElementById('pvNotes');
+      pvNotes.value = progress.globalNote || '';
+    }
+    document.addEventListener('change', (e) => {
+      if (e.target.matches('input[type="checkbox"][data-step]')) {
+        const s = Number(e.target.dataset.step);
+        const r = Number(e.target.dataset.row);
+        progress[s] = progress[s] || { rows: {} };
+        progress[s].rows = progress[s].rows || {};
+        progress[s].rows[r] = e.target.checked;
+        saveProgress();
+      }
+    });
+    document.addEventListener('input', (e) => {
+      if (e.target.matches('textarea[data-step]')) {
+        const s = Number(e.target.dataset.step);
+        progress[s] = progress[s] || { rows: {} };
+        progress[s].note = e.target.value;
+        saveProgress();
+      }
+      if (e.target.id === 'pvNotes') {
+        progress.globalNote = e.target.value;
+        saveProgress();
+      }
+    });
+    render();
+  </script>
+</body>
+</html>
diff --git a/server/.env.example b/server/.env.example
new file mode 100644
index 0000000..318c114
--- /dev/null
+++ b/server/.env.example
@@ -0,0 +1,4 @@
+DATABASE_URL=postgres://user:pass@localhost:5432/toadstool
+JWT_SECRET=change-me
+PORT=4000
+UPLOAD_DIR=./uploads
diff --git a/server/package-lock.json b/server/package-lock.json
new file mode 100644
index 0000000..39c339e
--- /dev/null
+++ b/server/package-lock.json
@@ -0,0 +1,3138 @@
+{
+  "name": "toadstooltally-backend",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "toadstooltally-backend",
+      "version": "0.1.0",
+      "dependencies": {
+        "cors": "^2.8.5",
+        "express": "^4.18.2",
+        "multer": "^1.4.5-lts.1",
+        "sharp": "^0.33.3",
+        "uuid": "^9.0.1"
+      },
+      "devDependencies": {
+        "eslint": "^8.57.0",
+        "nodemon": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.7.1.tgz",
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+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@eslint-community/eslint-utils": {
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.0.tgz",
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+      },
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+      },
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+      }
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+      "version": "4.12.2",
+      "resolved": "https://registry.npmjs.org/@eslint-community/regexpp/-/regexpp-4.12.2.tgz",
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+    "node_modules/@eslint/js": {
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+      "optional": true,
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+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.0.4.tgz",
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+      "funding": {
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+    "node_modules/@img/sharp-libvips-linux-arm": {
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+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.0.5.tgz",
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+      "cpu": [
+        "arm"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
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+        "s390x"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
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+      "license": "BSD-2-Clause",
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+    },
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/uuid": {
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+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
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+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
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+        "node-which": "bin/node-which"
+      },
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+      "license": "ISC"
+    },
+    "node_modules/xtend": {
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+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
+    },
+    "node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    }
+  }
+}
diff --git a/server/package.json b/server/package.json
new file mode 100644
index 0000000..b1eb1cd
--- /dev/null
+++ b/server/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "toadstooltally-backend",
+  "version": "0.1.0",
+  "description": "Backend API for Toadstool Cottage Counter (auth demo + sync endpoints).",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "nodemon src/index.js",
+    "lint": "eslint ."
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.18.2",
+    "multer": "^1.4.5-lts.1",
+    "sharp": "^0.33.3",
+    "pg": "^8.12.0",
+    "uuid": "^9.0.1"
+  },
+  "devDependencies": {
+    "eslint": "^8.57.0",
+    "nodemon": "^3.0.2"
+  },
+  "engines": {
+    "node": ">=18"
+  }
+}
diff --git a/server/src/db.js b/server/src/db.js
new file mode 100644
index 0000000..c1dda16
--- /dev/null
+++ b/server/src/db.js
@@ -0,0 +1,309 @@
+const { Pool } = require('pg');
+const crypto = require('crypto');
+
+const pool = new Pool({
+    connectionString: process.env.DATABASE_URL,
+    ssl: process.env.DATABASE_URL?.includes('sslmode=require') ? { rejectUnauthorized: false } : false
+});
+
+async function initDb(retries = 10) {
+    let attempt = 0;
+    while (attempt < retries) {
+        try {
+            await pool.query(`
+                create table if not exists users (
+                    id uuid primary key,
+                    email text unique not null,
+                    password_hash text not null,
+                    display_name text default '',
+                    note text default '',
+                    created_at timestamptz not null default now(),
+                    updated_at timestamptz not null default now()
+                );
+            `);
+            await pool.query(`alter table users add column if not exists is_admin boolean not null default false`);
+            await pool.query(`alter table users add column if not exists status text not null default 'pending'`);
+            await pool.query(`
+                create table if not exists sessions (
+                    token uuid primary key,
+                    user_id uuid references users(id) on delete cascade,
+                    created_at timestamptz not null default now()
+                );
+            `);
+            await pool.query(`
+                create table if not exists projects (
+                    id text primary key,
+                    user_id uuid references users(id) on delete cascade,
+                    data jsonb not null,
+                    updated_at timestamptz not null default now(),
+                    deleted_at timestamptz
+                );
+            `);
+            await pool.query(`
+                create table if not exists patterns (
+                    id text primary key,
+                    user_id uuid references users(id) on delete cascade,
+                    data jsonb not null,
+                    updated_at timestamptz not null default now(),
+                    deleted_at timestamptz
+                );
+            `);
+            // Migrate legacy UUID columns to text to allow non-UUID ids
+            await pool.query(`drop table if exists pattern_shares cascade`);
+            await pool.query(`alter table if exists projects alter column id type text using id::text`);
+            await pool.query(`alter table if exists patterns alter column id type text using id::text`);
+            await pool.query(`alter table patterns add column if not exists title text not null default ''`);
+            await pool.query(`alter table patterns add column if not exists slug text`);
+            await pool.query(`create unique index if not exists patterns_user_slug_idx on patterns(user_id, slug) where slug is not null`);
+            await pool.query(`
+                create table if not exists pattern_shares (
+                    id uuid primary key,
+                    pattern_id text,
+                    token text unique not null,
+                    is_public boolean default true,
+                    expires_at timestamptz,
+                    created_at timestamptz not null default now()
+                );
+            `);
+            await pool.query(`
+                create table if not exists password_resets (
+                    token uuid primary key,
+                    user_id uuid references users(id) on delete cascade,
+                    expires_at timestamptz not null,
+                    created_at timestamptz not null default now()
+                );
+            `);
+            // Backfill existing users to active and non-admin
+            await pool.query(`update users set status='active' where status is null or status=''`);
+            return;
+        } catch (err) {
+            attempt += 1;
+            if (attempt >= retries) throw err;
+            // eslint-disable-next-line no-console
+            console.log(`DB not ready, retrying (${attempt}/${retries})...`);
+            await new Promise(r => setTimeout(r, 1000));
+        }
+    }
+}
+
+async function withClient(fn) {
+    const client = await pool.connect();
+    try {
+        return await fn(client);
+    } finally {
+        client.release();
+    }
+}
+
+function hashPassword(pw) {
+    return crypto.createHash('sha256').update(pw).digest('hex');
+}
+
+async function createUser(email, password) {
+    const id = crypto.randomUUID();
+    const password_hash = hashPassword(password);
+    const countRes = await pool.query(`select count(*)::int as c from users`);
+    const isFirst = countRes.rows[0].c === 0;
+    await pool.query(
+        `insert into users (id, email, password_hash, status, is_admin) values ($1, $2, $3, $4, $5)
+         on conflict (email) do nothing`,
+        [id, email, password_hash, isFirst ? 'active' : 'pending', isFirst]
+    );
+    const row = await pool.query(`select id, email, display_name, note, is_admin, status from users where email=$1`, [email]);
+    return row.rows[0];
+}
+
+async function verifyUser(email, password) {
+    const row = await pool.query(`select * from users where email=$1`, [email]);
+    if (!row.rows.length) return null;
+    const user = row.rows[0];
+    if (user.password_hash !== hashPassword(password)) return null;
+    if (user.status !== 'active') {
+        return { pending: true, status: user.status };
+    }
+    return { id: user.id, email: user.email, display_name: user.display_name, note: user.note, is_admin: user.is_admin };
+}
+
+async function createSession(userId) {
+    const token = crypto.randomUUID();
+    await pool.query(`insert into sessions (token, user_id) values ($1, $2)`, [token, userId]);
+    return token;
+}
+
+async function getSession(token) {
+    const row = await pool.query(
+        `select s.token, u.id as user_id, u.email, u.is_admin, u.status from sessions s join users u on u.id=s.user_id where s.token=$1`,
+        [token]
+    );
+    return row.rows[0];
+}
+
+async function deleteSession(token) {
+    await pool.query(`delete from sessions where token=$1`, [token]);
+}
+
+async function upsertProfile(userId, displayName, note) {
+    await pool.query(
+        `update users set display_name=$2, note=$3, updated_at=now() where id=$1`,
+        [userId, displayName, note]
+    );
+    const row = await pool.query(`select email, display_name, note from users where id=$1`, [userId]);
+    return row.rows[0];
+}
+
+async function getProfile(userId) {
+    const row = await pool.query(`select email, display_name, note, is_admin, status from users where id=$1`, [userId]);
+    return row.rows[0];
+}
+
+async function upsertItems(table, userId, items = []) {
+    if (!items.length) return;
+    if (table === 'patterns') {
+        for (const item of items) {
+            const title = item.title || '';
+            const slug = item.slug || null;
+            const deleted = item.deleted_at || null;
+            await pool.query(
+                `insert into patterns (id, user_id, title, slug, data, updated_at, deleted_at)
+                 values ($1, $2, $3, $4, $5, now(), $6)
+                 on conflict (id) do update set title=excluded.title, slug=excluded.slug, data=excluded.data, updated_at=now(), deleted_at=excluded.deleted_at`,
+                [item.id, userId, title, slug, item.data || {}, deleted]
+            );
+        }
+    } else {
+        for (const item of items) {
+            const deleted = item.deleted_at || null;
+            await pool.query(
+                `insert into projects (id, user_id, data, updated_at, deleted_at)
+                 values ($1, $2, $3, now(), $4)
+                 on conflict (id) do update set data=excluded.data, updated_at=now(), deleted_at=excluded.deleted_at`,
+                [item.id, userId, item.data || {}, deleted]
+            );
+        }
+    }
+}
+
+async function fetchItemsSince(table, userId, since) {
+    if (table === 'patterns') {
+        const res = await pool.query(
+            `select id, title, slug, data, updated_at, deleted_at from patterns
+             where user_id=$1 and updated_at >= coalesce($2::timestamptz, 'epoch'::timestamptz)
+             order by updated_at asc`,
+            [userId, since || null]
+        );
+        return res.rows;
+    }
+    const res = await pool.query(
+        `select id, data, updated_at, deleted_at from projects
+         where user_id=$1 and updated_at >= coalesce($2::timestamptz, 'epoch'::timestamptz)
+         order by updated_at asc`,
+        [userId, since || null]
+    );
+    return res.rows;
+}
+
+async function createShare(patternId, token, isPublic = true, expiresAt = null) {
+    await pool.query(
+        `insert into pattern_shares (id, pattern_id, token, is_public, expires_at)
+         values ($1, $2, $3, $4, $5)`,
+        [crypto.randomUUID(), patternId, token, isPublic, expiresAt]
+    );
+}
+
+async function patternOwnedByUser(patternId, userId) {
+    const res = await pool.query(
+        `select id from patterns where id=$1 and user_id=$2 and deleted_at is null`,
+        [patternId, userId]
+    );
+    return res.rows.length > 0;
+}
+
+async function getSharedPattern(token) {
+    const res = await pool.query(
+        `select p.id, p.title, p.slug, p.data, p.updated_at
+         from pattern_shares s
+         join patterns p on p.id = s.pattern_id
+         where s.token=$1 and (s.expires_at is null or s.expires_at > now()) and s.is_public = true
+         limit 1`,
+        [token]
+    );
+    return res.rows[0] || null;
+}
+
+async function listPendingUsers() {
+    const res = await pool.query(`select id, email, display_name, note, created_at from users where status='pending' order by created_at asc`);
+    return res.rows;
+}
+
+async function setUserStatus(userId, status) {
+    await pool.query(`update users set status=$2, updated_at=now() where id=$1`, [userId, status]);
+}
+async function setUserAdmin(userId, isAdmin) {
+    await pool.query(`update users set is_admin=$2, updated_at=now() where id=$1`, [userId, isAdmin]);
+}
+
+async function bootstrapAdmin(email, password) {
+    if (!email || !password) return;
+    const hash = hashPassword(password);
+    const existing = await pool.query(`select id from users where email=$1`, [email]);
+    if (existing.rows.length) {
+        await pool.query(`update users set password_hash=$2, is_admin=true, status='active', updated_at=now() where email=$1`, [email, hash]);
+    } else {
+        const id = crypto.randomUUID();
+        await pool.query(
+            `insert into users (id, email, password_hash, is_admin, status) values ($1, $2, $3, true, 'active')`,
+            [id, email, hash]
+        );
+    }
+}
+
+async function listAllUsers() {
+    const res = await pool.query(`select id, email, display_name, status, is_admin, created_at from users order by created_at asc`);
+    return res.rows;
+}
+
+async function setPassword(userId, newPassword) {
+    const hash = hashPassword(newPassword);
+    await pool.query(`update users set password_hash=$2, updated_at=now() where id=$1`, [userId, hash]);
+}
+
+async function createResetToken(userId, ttlMinutes = 60) {
+    const token = crypto.randomUUID();
+    const expires = new Date(Date.now() + ttlMinutes * 60 * 1000);
+    await pool.query(`insert into password_resets (token, user_id, expires_at) values ($1, $2, $3)`, [token, userId, expires]);
+    return { token, expires };
+}
+
+async function consumeResetToken(token) {
+    const res = await pool.query(`select token, user_id, expires_at from password_resets where token=$1`, [token]);
+    if (!res.rows.length) return null;
+    const row = res.rows[0];
+    await pool.query(`delete from password_resets where token=$1`, [token]);
+    if (new Date(row.expires_at) < new Date()) return null;
+    return row.user_id;
+}
+
+module.exports = {
+    withClient,
+    initDb,
+    createUser,
+    verifyUser,
+    createSession,
+    getSession,
+    deleteSession,
+    upsertItems,
+    fetchItemsSince,
+    upsertProfile,
+    getProfile,
+    createShare,
+    getSharedPattern,
+    patternOwnedByUser,
+    listPendingUsers,
+    setUserStatus,
+    setUserAdmin,
+    bootstrapAdmin,
+    listAllUsers,
+    setPassword,
+    createResetToken,
+    consumeResetToken
+};
diff --git a/server/src/index.js b/server/src/index.js
new file mode 100644
index 0000000..917f69e
--- /dev/null
+++ b/server/src/index.js
@@ -0,0 +1,371 @@
+const express = require('express');
+const cors = require('cors');
+const { v4: uuid } = require('uuid');
+const path = require('path');
+const fs = require('fs');
+const multer = require('multer');
+const sharp = require('sharp');
+const {
+    initDb,
+    createUser,
+    verifyUser,
+    createSession,
+    getSession,
+    deleteSession,
+    upsertItems,
+    fetchItemsSince,
+    upsertProfile,
+    getProfile,
+    createShare,
+    getSharedPattern,
+    patternOwnedByUser,
+    listPendingUsers,
+    setUserStatus,
+    bootstrapAdmin,
+    listAllUsers,
+    setPassword,
+    createResetToken,
+    consumeResetToken,
+    setUserAdmin
+} = require('./db');
+
+const app = express();
+const PORT = process.env.PORT || 4000;
+const UPLOAD_DIR = process.env.UPLOAD_DIR || path.join(__dirname, '..', 'uploads');
+
+if (!fs.existsSync(UPLOAD_DIR)) fs.mkdirSync(UPLOAD_DIR, { recursive: true });
+
+app.use(cors());
+app.use(express.json({ limit: '15mb' }));
+
+// Init DB
+initDb().catch((err) => {
+    // eslint-disable-next-line no-console
+    console.error('DB init failed', err);
+    process.exit(1);
+}).then(() => {
+    if (process.env.ADMIN_EMAIL && process.env.ADMIN_PASSWORD) {
+        bootstrapAdmin(process.env.ADMIN_EMAIL, process.env.ADMIN_PASSWORD)
+            .then(() => console.log('Admin bootstrap ready'))
+            .catch((err) => console.error('Admin bootstrap failed', err));
+    }
+});
+
+const requireAuth = (req, res, next) => {
+    const token = req.headers.authorization?.replace('Bearer ', '');
+    if (!token) return res.status(401).json({ error: 'Unauthorized' });
+    getSession(token)
+        .then(session => {
+            if (!session) return res.status(401).json({ error: 'Unauthorized' });
+            req.user = { id: session.user_id, email: session.email, token, is_admin: session.is_admin, status: session.status };
+            if (req.user.status !== 'active') return res.status(403).json({ error: 'Account not active', status: req.user.status });
+            return next();
+        })
+        .catch(() => res.status(401).json({ error: 'Unauthorized' }));
+};
+
+const requireAdmin = (req, res, next) => {
+    if (!req.user?.is_admin) return res.status(403).json({ error: 'Admin only' });
+    next();
+};
+
+app.get('/api/health', (_req, res) => {
+    res.json({ status: 'ok', version: '0.1.0', time: new Date().toISOString() });
+});
+
+// Serve static front-end from project root (../)
+const clientDir = path.join(__dirname, '..', '..');
+app.use(express.static(clientDir));
+app.use('/uploads', express.static(UPLOAD_DIR));
+
+app.get('/', (_req, res) => {
+    res.sendFile(path.join(clientDir, 'index.html'));
+});
+
+app.post('/api/signup', (req, res) => {
+    const { email, password, displayName = '' } = req.body || {};
+    if (!email || !password) return res.status(400).json({ error: 'Email and password required' });
+    createUser(email, password)
+        .then(async (user) => {
+            await upsertProfile(user.id, displayName, '');
+            const token = await createSession(user.id);
+            return res.json({ token, email: user.email });
+        })
+        .catch((err) => {
+            // eslint-disable-next-line no-console
+            console.error(err);
+            return res.status(500).json({ error: 'Signup failed' });
+        });
+});
+
+app.post('/api/login', (req, res) => {
+    const { email, password } = req.body || {};
+    if (!email || !password) return res.status(400).json({ error: 'Email and password required' });
+    verifyUser(email, password)
+        .then(async (user) => {
+            if (!user) return res.status(401).json({ error: 'Invalid credentials' });
+            if (user.pending) return res.status(403).json({ error: 'Account pending approval', status: user.status });
+            const token = await createSession(user.id);
+            return res.json({ token, email: user.email, is_admin: user.is_admin });
+        })
+        .catch((err) => {
+            // eslint-disable-next-line no-console
+            console.error(err);
+            return res.status(500).json({ error: 'Login failed' });
+        });
+});
+
+app.post('/api/logout', requireAuth, (req, res) => {
+    const token = req.headers.authorization?.replace('Bearer ', '');
+    deleteSession(token).finally(() => res.json({ ok: true }));
+});
+
+app.get('/api/sync', requireAuth, async (req, res) => {
+    const since = req.query.since;
+    try {
+        const projects = await fetchItemsSince('projects', req.user.id, since);
+        const patterns = await fetchItemsSince('patterns', req.user.id, since);
+        res.json({ projects, patterns, since: since || null, serverTime: new Date().toISOString() });
+    } catch (err) {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        res.status(500).json({ error: 'Sync fetch failed' });
+    }
+});
+
+app.post('/api/sync', requireAuth, async (req, res) => {
+    const { projects = [], patterns = [] } = req.body || {};
+    try {
+        await upsertItems('projects', req.user.id, projects);
+        await upsertItems('patterns', req.user.id, patterns);
+        res.json({ ok: true });
+    } catch (err) {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        res.status(500).json({ error: 'Sync failed' });
+    }
+});
+
+app.get('/api/me', requireAuth, (req, res) => {
+    getProfile(req.user.id)
+        .then(profile => res.json({ profile: profile || { email: req.user.email, displayName: '', note: '', is_admin: req.user.is_admin, status: req.user.status } }))
+        .catch(err => {
+            // eslint-disable-next-line no-console
+            console.error(err);
+            res.status(500).json({ error: 'Profile fetch failed' });
+        });
+});
+
+app.post('/api/me', requireAuth, (req, res) => {
+    const { displayName = '', note = '' } = req.body || {};
+    upsertProfile(req.user.id, displayName, note)
+        .then(profile => res.json({ profile }))
+        .catch(err => {
+            // eslint-disable-next-line no-console
+            console.error(err);
+            res.status(500).json({ error: 'Profile update failed' });
+        });
+});
+
+app.post('/api/patterns/:id/share', requireAuth, async (req, res) => {
+    const patternId = req.params.id;
+    const { isPublic = true, expiresAt = null } = req.body || {};
+    try {
+        const owns = await patternOwnedByUser(patternId, req.user.id);
+        if (!owns) return res.status(404).json({ error: 'Pattern not found' });
+        const token = uuid();
+        await createShare(patternId, token, isPublic, expiresAt);
+        res.json({ token, url: `/share/${token}` });
+    } catch (err) {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        res.status(500).json({ error: 'Share failed' });
+    }
+});
+
+app.get('/share/:token', async (req, res) => {
+    try {
+        const shared = await getSharedPattern(req.params.token);
+        if (!shared) return res.status(404).json({ error: 'Not found' });
+        res.json({ pattern: shared });
+    } catch (err) {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        res.status(500).json({ error: 'Share fetch failed' });
+    }
+});
+
+// Upload route (demo): resize to max 1200px, compress, save to /uploads, return URL.
+const upload = multer({ storage: multer.memoryStorage(), limits: { fileSize: 5 * 1024 * 1024 } });
+app.post('/api/upload', requireAuth, upload.single('file'), async (req, res) => {
+    try {
+        if (!req.file) return res.status(400).json({ error: 'File required' });
+        const ext = (req.file.originalname.split('.').pop() || 'jpg').toLowerCase();
+        const safeExt = ['png', 'jpg', 'jpeg', 'webp', 'gif', 'avif'].includes(ext) ? ext : 'jpg';
+        const filename = `${Date.now()}-${uuid()}.${safeExt}`;
+        const outPath = path.join(UPLOAD_DIR, filename);
+
+        const pipeline = sharp(req.file.buffer)
+            .rotate()
+            .resize({ width: 1200, height: 1200, fit: 'inside', withoutEnlargement: true });
+
+        if (safeExt === 'png') {
+            pipeline.png({ quality: 80 });
+        } else if (safeExt === 'webp') {
+            pipeline.webp({ quality: 80 });
+        } else if (safeExt === 'avif') {
+            pipeline.avif({ quality: 70 });
+        } else {
+            pipeline.jpeg({ quality: 82, mozjpeg: true });
+        }
+
+        await pipeline.toFile(outPath);
+        const url = `/uploads/${filename}`;
+        res.json({ url });
+    } catch (err) {
+        // eslint-disable-next-line no-console
+        console.error(err);
+        res.status(500).json({ error: 'Upload failed' });
+    }
+});
+
+// Admin: list pending users
+app.get('/api/admin/users/pending', requireAuth, requireAdmin, async (_req, res) => {
+    try {
+        const users = await listPendingUsers();
+        res.json({ users });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'List pending failed' });
+    }
+});
+
+// Admin: update user status
+app.post('/api/admin/users/:id/status', requireAuth, requireAdmin, async (req, res) => {
+    const { status } = req.body || {};
+    if (!['pending', 'active', 'suspended'].includes(status)) return res.status(400).json({ error: 'Invalid status' });
+    try {
+        await setUserStatus(req.params.id, status);
+        res.json({ ok: true });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Update status failed' });
+    }
+});
+
+// Admin: set/unset admin
+app.post('/api/admin/users/:id/admin', requireAuth, requireAdmin, async (req, res) => {
+    const { is_admin } = req.body || {};
+    try {
+        await setUserAdmin(req.params.id, !!is_admin);
+        res.json({ ok: true });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Update admin failed' });
+    }
+});
+
+// Admin: list all users
+app.get('/api/admin/users', requireAuth, requireAdmin, async (_req, res) => {
+    try {
+        const users = await listAllUsers();
+        res.json({ users });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'List users failed' });
+    }
+});
+
+// Password reset request (demo: returns token, logs it)
+app.post('/api/password-reset/request', async (req, res) => {
+    const { email } = req.body || {};
+    if (!email) return res.status(400).json({ error: 'Email required' });
+    try {
+        const userRow = await listAllUsers().then(users => users.find(u => u.email === email));
+        if (!userRow) return res.json({ ok: true }); // don't leak
+        const reset = await createResetToken(userRow.id);
+        console.log(`Password reset token for ${email}: ${reset.token}`);
+        // TODO: send via mail backend
+        res.json({ ok: true });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Reset request failed' });
+    }
+});
+
+app.post('/api/password-reset/confirm', async (req, res) => {
+    const { token, password } = req.body || {};
+    if (!token || !password) return res.status(400).json({ error: 'Token and password required' });
+    try {
+        const userId = await consumeResetToken(token);
+        if (!userId) return res.status(400).json({ error: 'Invalid or expired token' });
+        await setPassword(userId, password);
+        res.json({ ok: true });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Reset failed' });
+    }
+});
+
+// Admin: backup (JSON export)
+app.get('/api/admin/backup', requireAuth, requireAdmin, async (_req, res) => {
+    try {
+        const users = await listAllUsers();
+        const projects = await fetchItemsSince('projects', null, null);
+        const patterns = await fetchItemsSince('patterns', null, null);
+        res.json({ users, projects, patterns, exportedAt: new Date().toISOString() });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Backup failed' });
+    }
+});
+
+// Admin: restore (overwrite)
+app.post('/api/admin/restore', requireAuth, requireAdmin, async (req, res) => {
+    const { users = [], projects = [], patterns = [] } = req.body || {};
+    try {
+        await withClient(async (client) => {
+            await client.query('begin');
+            await client.query('truncate table sessions cascade');
+            await client.query('truncate table users cascade');
+            await client.query('truncate table projects cascade');
+            await client.query('truncate table patterns cascade');
+            for (const u of users) {
+                await client.query(
+                    `insert into users (id, email, password_hash, display_name, note, is_admin, status, created_at, updated_at)
+                     values ($1,$2,$3,$4,$5,$6,$7,$8,$9)`,
+                    [u.id, u.email, u.password_hash || '', u.display_name || '', u.note || '', u.is_admin || false, u.status || 'active', u.created_at || new Date(), u.updated_at || new Date()]
+                );
+            }
+            for (const p of projects) {
+                await client.query(
+                    `insert into projects (id, user_id, data, updated_at, deleted_at) values ($1,$2,$3,$4,$5)`,
+                    [p.id, p.user_id, p.data || {}, p.updated_at || new Date(), p.deleted_at || null]
+                );
+            }
+            for (const p of patterns) {
+                await client.query(
+                    `insert into patterns (id, user_id, title, slug, data, updated_at, deleted_at) values ($1,$2,$3,$4,$5,$6,$7)`,
+                    [p.id, p.user_id, p.title || '', p.slug || null, p.data || {}, p.updated_at || new Date(), p.deleted_at || null]
+                );
+            }
+            await client.query('commit');
+        });
+        res.json({ ok: true });
+    } catch (err) {
+        console.error(err);
+        res.status(500).json({ error: 'Restore failed' });
+    }
+});
+
+app.use((err, _req, res, _next) => {
+    // Basic error guard
+    // eslint-disable-next-line no-console
+    console.error(err);
+    res.status(500).json({ error: 'Internal error' });
+});
+
+app.listen(PORT, () => {
+    // eslint-disable-next-line no-console
+    console.log(`API listening on http://localhost:${PORT}`);
+});