add proposal

.gitignore

@@ -1,2 +1,3 @@
+node_modules
 dist
-node_modules
+.DS_Store

MVP_PLAN.md

@@ -0,0 +1,310 @@
+# Minimal MVP Plan: P2P Poll App
+
+## Recommendation
+
+Build the MVP with:
+
+- Vanilla JS or TypeScript
+- Vite for local dev/build
+- Yjs for shared state
+- `y-webrtc` for browser-to-browser sync
+- `y-indexeddb` for local persistence/offline recovery
+
+This is the best fit for a small poll app because the data model is tiny, concurrent edits are possible, and Yjs already solves merge/conflict handling while `y-webrtc` gives a direct P2P transport with only signaling infrastructure.
+
+## Why This Stack
+
+### Recommended: Yjs + y-webrtc
+
+- Best balance of simplicity and correctness
+- Clients connect directly over WebRTC
+- No custom conflict-resolution logic needed
+- Easy to add offline persistence
+- Good fit for a single shared document/room
+
+### Not recommended for the first MVP
+
+#### PeerJS
+
+- Very simple transport layer
+- But you must design and maintain your own replication and merge rules
+- Fine for demos with a host-authoritative peer, weaker for true collaborative editing
+
+#### GUN
+
+- Fast to prototype realtime shared state
+- But official tutorials commonly use a GUN peer/relay server for shared data
+- For this app, its data model is less explicit than a CRDT and gives less control over vote semantics
+
+#### Automerge
+
+- Very capable CRDT and local-first model
+- But heavier than needed for a single small poll
+- Better choice if the project is expected to evolve into a richer collaborative app
+
+## MVP Scope
+
+Ship exactly one shared poll per room.
+
+Included:
+
+- Join a poll by opening a shared URL
+- Add a new option
+- Vote for one option
+- Change your vote
+- Realtime updates across peers
+- Local persistence in the browser
+- Basic connection status UI
+
+Excluded:
+
+- User accounts
+- Multiple polls per room
+- Option deletion/editing
+- Authentication/authorization
+- Rich presence
+- Advanced discovery
+- Production-grade TURN/signaling deployment
+
+## MVP UX
+
+Keep the interface intentionally small:
+
+- Poll title at the top
+- Option list with vote counts
+- One button per option to cast vote
+- Small form to add an option
+- Status line showing `connecting`, `connected`, or `offline`
+- Small label showing which option you voted for
+
+Join model:
+
+- Room ID in the URL, e.g. `/?room=poll-demo`
+- Users share the URL manually
+
+Identity model:
+
+- Generate a local `userId` once and store it in `localStorage`
+- Optional local display name, also stored locally
+
+## Shared Data Model
+
+Use a single Yjs document per room.
+
+Suggested structure:
+
+- `poll` as a `Y.Map`
+- `poll.title` as a string
+- `poll.options` as a `Y.Map<optionId, Y.Map>`
+- `poll.votes` as a `Y.Map<userId, optionId>`
+
+Each option record:
+
+- `id`
+- `label`
+- `createdBy`
+- `createdAt`
+
+Important design choice:
+
+Do not store vote counters as mutable shared numbers for the MVP.
+Instead, derive counts from `votes`.
+
+Why:
+
+- A user changing vote becomes a single write: `votes[userId] = optionId`
+- No double-counting logic
+- Concurrent writes are easier to reason about
+- Rendering counts from `votes` is trivial at this scale
+
+## Sync Model
+
+### Networking
+
+- Use `WebrtcProvider(roomId, ydoc)`
+- Start with the default public signaling servers for local development
+- If needed, swap to a self-hosted signaling server later without changing the app model
+
+### Persistence
+
+- Use `IndexeddbPersistence(roomId, ydoc)`
+- This preserves state across reloads and helps when reconnecting after temporary disconnects
+
+### Conflict behavior
+
+- Concurrent option additions merge naturally
+- Concurrent vote changes resolve at the per-user key level
+- Tally is recalculated from the merged vote map
+
+## Suggested Project Structure
+
+```text
+src/
+  main.ts
+  app.ts
+  state.ts
+  sync.ts
+  render.ts
+  identity.ts
+  styles.css
+index.html
+```
+
+Responsibilities:
+
+- `sync.ts`: create Yjs doc, WebRTC provider, IndexedDB provider
+- `state.ts`: shared structures, add option, cast vote, selectors
+- `identity.ts`: local `userId` and optional name
+- `render.ts`: DOM updates
+- `app.ts`: wire events to state and rendering
+
+## Implementation Plan
+
+### Phase 1: App shell
+
+- Create Vite app with vanilla TS or JS
+- Add a minimal single-page UI
+- Parse `room` from the URL
+- Generate and persist `userId`
+
+Success check:
+
+- App loads
+- Room ID appears in UI
+- User can type in the form
+
+### Phase 2: Shared state
+
+- Add Yjs document
+- Create root shared maps
+- Seed default poll title if missing
+- Observe document updates and re-render UI
+
+Success check:
+
+- State exists in one browser tab
+- Refresh keeps local state when IndexedDB is enabled
+
+### Phase 3: P2P sync
+
+- Add `y-webrtc`
+- Join room based on URL room ID
+- Show connection status from provider events
+
+Success check:
+
+- Two browsers on different tabs/devices see the same options
+- New options appear in near real time
+
+### Phase 4: Voting logic
+
+- Implement `castVote(optionId)` as `votes.set(userId, optionId)`
+- Derive tallies from `votes`
+- Highlight the local user’s current vote
+
+Success check:
+
+- Votes update live across peers
+- Changing vote updates counts correctly
+
+### Phase 5: Basic hardening
+
+- Trim/validate option labels
+- Prevent empty options
+- Ignore duplicate labels case-insensitively for MVP
+- Show simple offline/connecting text
+
+Success check:
+
+- Basic misuse does not break the UI
+- Reconnect restores updates
+
+## Minimal API Surface
+
+These functions are enough for the first build:
+
+- `getRoomId(): string`
+- `getUserId(): string`
+- `initSync(roomId): AppSync`
+- `ensurePollInitialized()`
+- `addOption(label: string)`
+- `castVote(optionId: string)`
+- `getViewModel(): PollViewModel`
+- `render(viewModel)`
+
+## Risks And MVP Mitigations
+
+### NAT / WebRTC connectivity
+
+Risk:
+
+- Some peer pairs may fail to connect in restrictive networks
+
+Mitigation:
+
+- Accept this for MVP
+- Keep signaling configurable
+- Add TURN only if testing shows frequent failures
+
+### Small public signaling dependency
+
+Risk:
+
+- Public signaling is fine for demos, not ideal for production
+
+Mitigation:
+
+- Treat it as replaceable infrastructure
+- Self-host later if the prototype is kept
+
+### Duplicate or messy options
+
+Risk:
+
+- Users may add near-duplicate entries
+
+Mitigation:
+
+- Normalize labels
+- Prevent exact duplicates for MVP
+
+### No trust/auth model
+
+Risk:
+
+- Any participant in the room can add options and vote
+
+Mitigation:
+
+- Accept for MVP
+- Frame rooms as small trusted groups
+
+## Estimated MVP Size
+
+For one developer:
+
+- Initial prototype: 0.5 to 1 day
+- Polished MVP with basic resilience: 1 to 2 days
+
+Rough code size:
+
+- 250 to 500 lines plus styles
+
+## Nice Next Steps After MVP
+
+- Copy-link button
+- Participant list / presence
+- Vote limit modes: single-choice or multi-choice
+- Option editing/deletion
+- QR code for room join
+- Self-hosted signaling server
+- PWA packaging for better offline behavior
+
+## Sources
+
+- PeerJS getting started: https://peerjs.com/client/getting-started
+- Yjs collaborative editor guide: https://docs.yjs.dev/getting-started/a-collaborative-editor
+- Yjs offline support: https://docs.yjs.dev/getting-started/allowing-offline-editing
+- y-webrtc README: https://github.com/yjs/y-webrtc
+- GUN tutorial showing shared data via a GUN peer: https://gun.eco/converse
+- Automerge network sync: https://automerge.org/docs/tutorial/network-sync/

README.md

@@ -1,44 +1,39 @@
 # P2P Poll App
 
-A peer-to-peer polling application where users create and vote on polls without any central server. All data syncs directly between browsers using WebRTC and CRDTs.
+Small peer-to-peer polling app built with `Vite`, `TypeScript`, `Yjs`, `y-webrtc`, and `y-indexeddb`.
 
 ## Features
 
-- **Real-time P2P sync** — poll options and votes sync instantly across all connected peers via WebRTC
+- single shared poll per room
-- **Collaborative poll title** — editable title that syncs between all participants
+- add options collaboratively
-- **One vote per user** — each peer gets a stable ID, enforcing one vote per person per option
+- one vote per user, changeable at any time
-- **Vote/Unvote toggle** — change your mind anytime
+- peer-to-peer sync over WebRTC
-- **Connection status** — see when you're connected and how many peers are in the room
+- local browser persistence for refresh/reconnect recovery
-- **Shareable polls** — share via URL with `?room=your-poll-name`
+- shareable room URL
-- **No backend required** — runs entirely in the browser
 
-## Tech Stack
+## Run locally
-
-- [Yjs](https://yjs.dev/) — CRDT library for conflict-free shared state
-- [y-webrtc](https://github.com/yjs/y-webrtc) — WebRTC provider for peer-to-peer connections
-- [Vite](https://vitejs.dev/) — Development server and build tool
-- Vanilla JavaScript — no framework dependencies
-
-## Getting Started
 
 ```bash
 npm install
 npm run dev
 ```
 
-Open `http://localhost:5173/?room=my-poll` in multiple browser tabs to test.
+Open the local URL in two tabs or browsers and use the same `?room=` query string to join the same poll.
 
-To test across devices on the same network:
+Example:
 
-```bash
+```text
-npm run dev -- --host
+http://localhost:5173/?room=poll-demo
 ```
 
-Then open the URL shown in the terminal on other devices.
+## Build
 
-## How It Works
+```bash
+npm run build
+```
 
-1. Each browser tab creates a Yjs document and connects to other peers via WebRTC
+## Notes
-2. Poll options and votes are stored in Yjs shared data types (Y.Map)
+
-3. Changes propagate automatically to all connected peers using CRDTs
+- The app uses public signaling through `y-webrtc` for MVP simplicity.
-4. A public signaling server handles peer discovery; all poll data flows directly between browsers
+- Poll state is not stored on an application server.
+- WebRTC connectivity can still depend on the network environment of the participating peers.

index.html

@@ -1,13 +1,12 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
-<head>
+  <head>
-  <meta charset="UTF-8">
+    <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Polly — P2P Polls</title>
+    <title>P2P Poll</title>
-  <link rel="stylesheet" href="/src/style.css">
+  </head>
-</head>
+  <body>
-<body>
+    <div id="app"></div>
-  <div id="app"></div>
+    <script type="module" src="/src/main.ts"></script>
-  <script type="module" src="/src/main.js"></script>
+  </body>
-</body>
+</html>
-</html>

package-lock.json

@@ -1,24 +1,26 @@
 {
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+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -1273,24 +1289,24 @@
       "license": "MIT"
     },
     "node_modules/vite": {
-      "version": "6.4.1",
+      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-6.4.1.tgz",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.1.tgz",
-      "integrity": "sha512-+Oxm7q9hDoLMyJOYfUYBuHQo+dkAloi33apOPP56pzj+vsdJDzr+j1NISE5pyaAuKL4A3UD34qd0lx5+kfKp2g==",
+      "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "esbuild": "^0.25.0",
+        "esbuild": "^0.27.0",
-        "fdir": "^6.4.4",
+        "fdir": "^6.5.0",
-        "picomatch": "^4.0.2",
+        "picomatch": "^4.0.3",
-        "postcss": "^8.5.3",
+        "postcss": "^8.5.6",
-        "rollup": "^4.34.9",
+        "rollup": "^4.43.0",
-        "tinyglobby": "^0.2.13"
+        "tinyglobby": "^0.2.15"
       },
       "bin": {
         "vite": "bin/vite.js"
       },
       "engines": {
-        "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+        "node": "^20.19.0 || >=22.12.0"
       },
       "funding": {
         "url": "https://github.com/vitejs/vite?sponsor=1"
@@ -1299,14 +1315,14 @@
         "fsevents": "~2.3.3"
       },
       "peerDependencies": {
-        "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+        "@types/node": "^20.19.0 || >=22.12.0",
         "jiti": ">=1.21.0",
-        "less": "*",
+        "less": "^4.0.0",
         "lightningcss": "^1.21.0",
-        "sass": "*",
+        "sass": "^1.70.0",
-        "sass-embedded": "*",
+        "sass-embedded": "^1.70.0",
-        "stylus": "*",
+        "stylus": ">=0.54.8",
-        "sugarss": "*",
+        "sugarss": "^5.0.0",
         "terser": "^5.16.0",
         "tsx": "^4.8.1",
         "yaml": "^2.4.2"
@@ -1348,9 +1364,9 @@
       }
     },
     "node_modules/ws": {
-      "version": "8.20.0",
+      "version": "8.19.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.0.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.19.0.tgz",
-      "integrity": "sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==",
+      "integrity": "sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==",
       "license": "MIT",
       "optional": true,
       "engines": {
@@ -1369,6 +1385,26 @@
         }
       }
     },
+    "node_modules/y-indexeddb": {
+      "version": "9.0.12",
+      "resolved": "https://registry.npmjs.org/y-indexeddb/-/y-indexeddb-9.0.12.tgz",
+      "integrity": "sha512-9oCFRSPPzBK7/w5vOkJBaVCQZKHXB/v6SIT+WYhnJxlEC61juqG0hBrAf+y3gmSMLFLwICNH9nQ53uscuse6Hg==",
+      "license": "MIT",
+      "dependencies": {
+        "lib0": "^0.2.74"
+      },
+      "engines": {
+        "node": ">=16.0.0",
+        "npm": ">=8.0.0"
+      },
+      "funding": {
+        "type": "GitHub Sponsors ❤",
+        "url": "https://github.com/sponsors/dmonad"
+      },
+      "peerDependencies": {
+        "yjs": "^13.0.0"
+      }
+    },
     "node_modules/y-protocols": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/y-protocols/-/y-protocols-1.0.7.tgz",

package.json

@@ -1,18 +1,20 @@
 {
-  "name": "p2p-poll",
+  "name": "p2p-poll-app",
+  "version": "0.1.0",
   "private": true,
-  "version": "1.0.0",
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "build": "vite build",
+    "build": "tsc --noEmit && vite build",
     "preview": "vite preview"
   },
   "dependencies": {
-    "yjs": "^13.6.0",
+    "y-indexeddb": "^9.0.12",
-    "y-webrtc": "^10.3.0"
+    "y-webrtc": "^10.3.0",
+    "yjs": "^13.6.27"
   },
   "devDependencies": {
-    "vite": "^6.0.0"
+    "typescript": "^5.9.2",
+    "vite": "^7.1.5"
   }
 }

src/app.ts

@@ -0,0 +1,107 @@
+import { getUserId } from "./identity";
+import { renderApp } from "./render";
+import { addOption, castVote, createViewModel } from "./state";
+import { initSync } from "./sync";
+
+const ROOM_PARAM = "room";
+
+function createRoomId() {
+  const seed = typeof crypto.randomUUID === "function"
+    ? crypto.randomUUID().slice(0, 8)
+    : Math.random().toString(36).slice(2, 10);
+
+  return `poll-${seed}`;
+}
+
+function ensureRoomId() {
+  const url = new URL(window.location.href);
+  let roomId = url.searchParams.get(ROOM_PARAM)?.trim();
+
+  if (!roomId) {
+    roomId = createRoomId();
+    url.searchParams.set(ROOM_PARAM, roomId);
+    window.history.replaceState({}, "", url);
+  }
+
+  return roomId;
+}
+
+export function initApp(container: HTMLElement) {
+  const roomId = ensureRoomId();
+  const userId = getUserId();
+  const sync = initSync(roomId);
+  let feedbackMessage = "Ready to collaborate.";
+  let feedbackTimer: number | undefined;
+
+  const setFeedbackMessage = (message: string) => {
+    feedbackMessage = message;
+    render();
+
+    if (feedbackTimer) {
+      window.clearTimeout(feedbackTimer);
+    }
+
+    feedbackTimer = window.setTimeout(() => {
+      feedbackMessage = "Ready to collaborate.";
+      render();
+    }, 2400);
+  };
+
+  const render = () => {
+    const viewModel = createViewModel({
+      meta: sync.meta,
+      options: sync.options,
+      votes: sync.votes,
+      roomId,
+      shareUrl: window.location.href,
+      connectionStatus: sync.getConnectionStatus(),
+      userId,
+    });
+
+    renderApp(container, viewModel, feedbackMessage, {
+      onSubmitOption: (label) => {
+        const result = addOption(sync.options, label, userId);
+        if (!result.ok) {
+          setFeedbackMessage(result.error);
+          return;
+        }
+
+        setFeedbackMessage("Option added and syncing.");
+      },
+      onVote: (optionId) => {
+        castVote(sync.votes, userId, optionId);
+        setFeedbackMessage("Vote updated.");
+      },
+      onCopyLink: async () => {
+        try {
+          await navigator.clipboard.writeText(window.location.href);
+          setFeedbackMessage("Room link copied.");
+        } catch {
+          setFeedbackMessage("Could not copy the link in this browser.");
+        }
+      },
+    });
+  };
+
+  const rerender = () => render();
+  const observe = () => rerender();
+
+  sync.doc.on("update", observe);
+  sync.persistence.once("synced", rerender);
+  sync.provider.on("status", rerender);
+  window.addEventListener("online", rerender);
+  window.addEventListener("offline", rerender);
+
+  render();
+
+  return () => {
+    if (feedbackTimer) {
+      window.clearTimeout(feedbackTimer);
+    }
+    sync.doc.off("update", observe);
+    sync.provider.off("status", rerender);
+    window.removeEventListener("online", rerender);
+    window.removeEventListener("offline", rerender);
+    sync.destroy();
+  };
+}

src/components/AddOption.js

@@ -1,47 +0,0 @@
-import { addOption } from '../utils/store.js';
-
-export function AddOption() {
-  const wrapper = document.createElement('div');
-  wrapper.className = 'add-option-wrapper';
-
-  const input = document.createElement('input');
-  input.type = 'text';
-  input.className = 'add-option-input';
-  input.placeholder = 'Add an option…';
-  input.maxLength = 100;
-  input.setAttribute('aria-label', 'New poll option');
-
-  const btn = document.createElement('button');
-  btn.className = 'add-option-btn';
-  btn.setAttribute('aria-label', 'Add option');
-
-  // Plus icon
-  btn.innerHTML = `
-    <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-      <path d="M8 2v12M2 8h12" stroke="currentColor" stroke-width="1.75" stroke-linecap="round"/>
-    </svg>
-    <span>Add</span>
-  `;
-
-  wrapper.append(input, btn);
-
-  function submit() {
-    const name = input.value.trim();
-    if (!name) {
-      input.focus();
-      input.classList.add('shake');
-      input.addEventListener('animationend', () => input.classList.remove('shake'), { once: true });
-      return;
-    }
-    addOption(name);
-    input.value = '';
-    input.focus();
-  }
-
-  btn.addEventListener('click', submit);
-  input.addEventListener('keydown', (e) => {
-    if (e.key === 'Enter') submit();
-  });
-
-  return wrapper;
-}

src/components/PollList.js

@@ -1,77 +0,0 @@
-import { yOptions, getEntries, getTotalVotes  } from '../utils/store.js';
-import { PollOption } from './PollOption.js';
-
-export function PollList() {
-  const wrapper = document.createElement('div');
-  wrapper.className = 'poll-list-wrapper';
-
-  const meta = document.createElement('div');
-  meta.className = 'poll-list-meta';
-
-  const list = document.createElement('div');
-  list.className = 'poll-list';
-
-  const empty = document.createElement('div');
-  empty.className = 'poll-list-empty';
-  empty.innerHTML = `
-    <div class="empty-icon">
-      <svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
-        <rect x="4" y="10" width="24" height="3" rx="1.5" fill="currentColor" opacity="0.15"/>
-        <rect x="4" y="16" width="18" height="3" rx="1.5" fill="currentColor" opacity="0.1"/>
-        <rect x="4" y="22" width="21" height="3" rx="1.5" fill="currentColor" opacity="0.07"/>
-      </svg>
-    </div>
-    <p>No options yet — add the first one above.</p>
-  `;
-
-  wrapper.append(meta, list, empty);
-
-  function render() {
-    const entries = getEntries();
-    const total = getTotalVotes();
-
-    // Meta line
-    if (entries.length > 0) {
-      meta.textContent = `${entries.length} option${entries.length !== 1 ? 's' : ''} · ${total} vote${total !== 1 ? 's' : ''} total`;
-      meta.style.display = '';
-    } else {
-      meta.style.display = 'none';
-    }
-
-    // Empty state
-    empty.style.display = entries.length === 0 ? '' : 'none';
-
-    // Diff-render: reuse existing rows when possible
-    const existing = new Map(
-      [...list.querySelectorAll('.poll-option')].map((el) => [el.dataset.id, el])
-    );
-
-    // Remove stale rows
-    existing.forEach((el, id) => {
-      if (!entries.find((e) => e.id === id)) el.remove();
-    });
-
-    // Update or insert rows in sorted order
-    entries.forEach((entry, i) => {
-      const newEl = PollOption({ ...entry, totalVotes: total });
-      const currentEl = list.children[i];
-
-      if (!currentEl) {
-        list.appendChild(newEl);
-      } else if (currentEl.dataset.id !== entry.id) {
-        list.insertBefore(newEl, currentEl);
-        // Remove the now-displaced old element if it was this id
-        const old = existing.get(entry.id);
-        if (old && old !== currentEl) old.remove();
-      } else {
-        // Replace in-place so vote bar animation triggers
-        list.replaceChild(newEl, currentEl);
-      }
-    });
-  }
-
-  yOptions.observeDeep(() => render());
-  render();
-
-  return wrapper;
-}

src/components/PollOption.js

@@ -1,44 +0,0 @@
-import { toggleVote, deleteOption } from '../utils/store.js';
-
-/**
- * @param {{ id: string, name: string, votes: number, voted: boolean, totalVotes: number }} entry
- */
-export function PollOption({ id, name, votes, voted, totalVotes }) {
-  const row = document.createElement('div');
-  row.className = `poll-option${voted ? ' poll-option--voted' : ''}`;
-  row.dataset.id = id;
-
-  const pct = totalVotes > 0 ? Math.round((votes / totalVotes) * 100) : 0;
-
-  row.innerHTML = `
-    <div class="poll-option__bar" style="width: ${pct}%"></div>
-    <div class="poll-option__content">
-      <span class="poll-option__name">${escapeHtml(name)}</span>
-      <div class="poll-option__actions">
-        <span class="poll-option__pct">${pct}%</span>
-        <span class="poll-option__count">${votes} vote${votes !== 1 ? 's' : ''}</span>
-        <button class="poll-option__vote-btn" aria-pressed="${voted}">
-          ${voted ? 'Voted' : 'Vote'}
-        </button>
-        <button class="poll-option__delete-btn" aria-label="Remove option">
-          <svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-            <path d="M2 2l10 10M12 2L2 12" stroke="currentColor" stroke-width="1.5" stroke-linecap="round"/>
-          </svg>
-        </button>
-      </div>
-    </div>
-  `;
-
-  row.querySelector('.poll-option__vote-btn').addEventListener('click', () => toggleVote(id));
-  row.querySelector('.poll-option__delete-btn').addEventListener('click', () => deleteOption(id));
-
-  return row;
-}
-
-function escapeHtml(str) {
-  return str
-    .replace(/&/g, '&amp;')
-    .replace(/</g, '&lt;')
-    .replace(/>/g, '&gt;')
-    .replace(/"/g, '&quot;');
-}

src/components/PollTitle.js

@@ -1,34 +0,0 @@
-import { ydoc, yTitle } from '../utils/store.js';
-
-export function PollTitle() {
-  const wrapper = document.createElement('div');
-  wrapper.className = 'poll-title-wrapper';
-
-  const input = document.createElement('input');
-  input.type = 'text';
-  input.id = 'poll-title';
-  input.className = 'poll-title-input';
-  input.placeholder = 'Untitled Poll';
-  input.maxLength = 120;
-  input.setAttribute('aria-label', 'Poll title');
-  input.value = yTitle.toString();
-
-  wrapper.appendChild(input);
-
-  // Sync from Yjs → input (only when not focused to avoid cursor jump)
-  yTitle.observe(() => {
-    if (document.activeElement !== input) {
-      input.value = yTitle.toString();
-    }
-  });
-
-  // Sync from input → Yjs
-  input.addEventListener('input', () => {
-    ydoc.transact(() => {
-      yTitle.delete(0, yTitle.length);
-      yTitle.insert(0, input.value);
-    });
-  });
-
-  return wrapper;
-}

src/components/ShareSection.js

@@ -1,38 +0,0 @@
-import { roomName } from '../utils/store.js';
-
-export function ShareSection() {
-  const url = `${window.location.origin}${window.location.pathname}?room=${encodeURIComponent(roomName)}`;
-
-  const section = document.createElement('div');
-  section.className = 'share-section';
-
-  section.innerHTML = `
-    <p class="share-label">Share this poll</p>
-    <div class="share-row">
-      <code class="share-url" title="${url}">${url}</code>
-      <button class="share-copy-btn">Copy link</button>
-    </div>
-  `;
-
-  const copyBtn = section.querySelector('.share-copy-btn');
-
-  copyBtn.addEventListener('click', async () => {
-    try {
-      await navigator.clipboard.writeText(url);
-      copyBtn.textContent = 'Copied!';
-      copyBtn.classList.add('share-copy-btn--success');
-      setTimeout(() => {
-        copyBtn.textContent = 'Copy link';
-        copyBtn.classList.remove('share-copy-btn--success');
-      }, 2000);
-    } catch {
-      // Fallback: select the text
-      const range = document.createRange();
-      range.selectNode(section.querySelector('.share-url'));
-      window.getSelection().removeAllRanges();
-      window.getSelection().addRange(range);
-    }
-  });
-
-  return section;
-}

src/components/StatusBar.js

@@ -1,50 +0,0 @@
-import { provider } from '../utils/store.js';
-
-export function StatusBar() {
-  const el = document.createElement('div');
-  el.className = 'status-bar';
-
-  const dot = document.createElement('span');
-  dot.className = 'status-dot connecting';
-
-  const statusText = document.createElement('span');
-  statusText.className = 'status-text';
-  statusText.textContent = 'Connecting';
-
-  const divider = document.createElement('span');
-  divider.className = 'status-divider';
-  divider.textContent = '·';
-
-  const peerText = document.createElement('span');
-  peerText.className = 'status-peers';
-
-  el.append(dot, statusText, divider, peerText);
-
-  // --- Connection state ---
-
-  let syncTimeout = setTimeout(() => {
-    statusText.textContent = 'Ready';
-    dot.className = 'status-dot ready';
-  }, 3000);
-
-  provider.on('synced', ({ synced }) => {
-    clearTimeout(syncTimeout);
-    dot.className = `status-dot ${synced ? 'connected' : 'connecting'}`;
-    statusText.textContent = synced ? 'Connected' : 'Connecting';
-  });
-
-  // --- Peer count ---
-
-  function updatePeerCount() {
-    const total = provider.awareness.getStates().size;
-    const others = total - 1;
-    peerText.textContent = others === 0
-      ? 'Only you'
-      : `${others} other${others !== 1 ? 's' : ''}`;
-  }
-
-  provider.awareness.on('change', updatePeerCount);
-  updatePeerCount();
-
-  return el;
-}

src/identity.ts

@@ -0,0 +1,20 @@
+const USER_ID_KEY = "p2p-poll:user-id";
+
+function createUserId() {
+  if (typeof crypto.randomUUID === "function") {
+    return crypto.randomUUID();
+  }
+
+  return `user-${Math.random().toString(36).slice(2, 10)}`;
+}
+
+export function getUserId() {
+  const existing = localStorage.getItem(USER_ID_KEY);
+  if (existing) {
+    return existing;
+  }
+
+  const next = createUserId();
+  localStorage.setItem(USER_ID_KEY, next);
+  return next;
+}

src/main.js

@@ -1,41 +0,0 @@
-import { StatusBar } from './components/StatusBar.js';
-import { PollTitle } from './components/PollTitle.js';
-import { AddOption } from './components/AddOption.js';
-import { PollList } from './components/PollList.js';
-import { ShareSection } from './components/ShareSection.js';
-
-const app = document.getElementById('app');
-
-// Header: logo + status
-const header = document.createElement('header');
-header.className = 'app-header';
-
-const wordmark = document.createElement('div');
-wordmark.className = 'app-wordmark';
-wordmark.innerHTML = `
-  <svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-    <rect x="2" y="4" width="16" height="2.5" rx="1.25" fill="currentColor"/>
-    <rect x="2" y="8.75" width="11" height="2.5" rx="1.25" fill="currentColor" opacity="0.6"/>
-    <rect x="2" y="13.5" width="13" height="2.5" rx="1.25" fill="currentColor" opacity="0.35"/>
-  </svg>
-  <span>Polly</span>
-`;
-
-header.append(wordmark, StatusBar());
-
-// Main card
-const card = document.createElement('main');
-card.className = 'app-card';
-
-card.append(
-  PollTitle(),
-  AddOption(),
-  PollList(),
-);
-
-// Footer
-const footer = document.createElement('footer');
-footer.className = 'app-footer';
-footer.appendChild(ShareSection());
-
-app.append(header, card, footer);

src/main.ts

@@ -0,0 +1,11 @@
+import "./styles.css";
+
+import { initApp } from "./app";
+
+const container = document.querySelector<HTMLElement>("#app");
+
+if (!container) {
+  throw new Error("App container not found.");
+}
+
+initApp(container);

src/render.ts

@@ -0,0 +1,131 @@
+import type { PollViewModel } from "./state";
+
+interface RenderActions {
+  onSubmitOption: (label: string) => void;
+  onVote: (optionId: string) => void;
+  onCopyLink: () => void;
+}
+
+function escapeHtml(value: string) {
+  return value
+    .replaceAll("&", "&")
+    .replaceAll("<", "&lt;")
+    .replaceAll(">", "&gt;")
+    .replaceAll('"', "&quot;")
+    .replaceAll("'", "&#39;");
+}
+
+export function renderApp(
+  container: HTMLElement,
+  viewModel: PollViewModel,
+  feedbackMessage: string,
+  actions: RenderActions,
+) {
+  const optionMarkup = viewModel.options.length
+    ? viewModel.options
+        .map((option) => {
+          const buttonLabel = option.isSelectedByMe ? "Selected" : "Vote";
+          const selectedClass = option.isSelectedByMe ? "option-card selected" : "option-card";
+
+          return `
+            <li class="${selectedClass}">
+              <div class="option-main">
+                <div>
+                  <p class="option-label">${escapeHtml(option.label)}</p>
+                  <p class="option-meta">${option.voteCount} vote${option.voteCount === 1 ? "" : "s"}</p>
+                </div>
+                <button class="vote-button" data-option-id="${option.id}">
+                  ${buttonLabel}
+                </button>
+              </div>
+            </li>
+          `;
+        })
+        .join("")
+    : `
+      <li class="empty-state">
+        No options yet. Add the first one and it will sync to everyone in this room.
+      </li>
+    `;
+
+  const statusClass = `status-pill ${viewModel.connectionStatus}`;
+  const myVoteLabel = viewModel.myVoteOptionId
+    ? "Your vote is currently synced."
+    : "You have not voted yet.";
+
+  container.innerHTML = `
+    <main class="shell">
+      <section class="hero">
+        <div class="hero-copy">
+          <p class="eyebrow">Peer-to-peer room</p>
+          <h1>${escapeHtml(viewModel.title)}</h1>
+          <p class="hero-text">
+            Share the room link, add options, and vote live without a central app server storing poll state.
+          </p>
+        </div>
+        <div class="hero-meta">
+          <span class="${statusClass}">${viewModel.connectionStatus}</span>
+          <p class="room-label">Room: <code>${escapeHtml(viewModel.roomId)}</code></p>
+        </div>
+      </section>
+
+      <section class="panel share-panel">
+        <label class="field-label" for="share-url">Share this room</label>
+        <div class="share-row">
+          <input id="share-url" class="share-input" type="text" readonly value="${escapeHtml(viewModel.shareUrl)}" />
+          <button id="copy-link-button" class="secondary-button" type="button">Copy link</button>
+        </div>
+      </section>
+
+      <section class="panel">
+        <div class="section-header">
+          <div>
+            <h2>Options</h2>
+            <p>${myVoteLabel}</p>
+          </div>
+        </div>
+        <ul class="options-list">${optionMarkup}</ul>
+      </section>
+
+      <section class="panel">
+        <h2>Add an option</h2>
+        <form id="add-option-form" class="option-form">
+          <input
+            id="option-input"
+            name="option"
+            type="text"
+            maxlength="80"
+            placeholder="Add an option"
+            autocomplete="off"
+            required
+          />
+          <button class="primary-button" type="submit">Add option</button>
+        </form>
+        <p class="feedback" aria-live="polite">${escapeHtml(feedbackMessage)}</p>
+      </section>
+    </main>
+  `;
+
+  const addOptionForm = container.querySelector<HTMLFormElement>("#add-option-form");
+  const optionInput = container.querySelector<HTMLInputElement>("#option-input");
+  const copyLinkButton = container.querySelector<HTMLButtonElement>("#copy-link-button");
+
+  addOptionForm?.addEventListener("submit", (event) => {
+    event.preventDefault();
+    const label = optionInput?.value ?? "";
+    actions.onSubmitOption(label);
+  });
+
+  copyLinkButton?.addEventListener("click", () => {
+    actions.onCopyLink();
+  });
+
+  container.querySelectorAll<HTMLButtonElement>("[data-option-id]").forEach((button) => {
+    button.addEventListener("click", () => {
+      const optionId = button.dataset.optionId;
+      if (optionId) {
+        actions.onVote(optionId);
+      }
+    });
+  });
+}

src/state.ts

@@ -0,0 +1,124 @@
+import * as Y from "yjs";
+
+export const DEFAULT_POLL_TITLE = "Shared Poll";
+
+export type ConnectionStatus = "connecting" | "connected" | "offline";
+
+export interface OptionRecord {
+  id: string;
+  label: string;
+  createdAt: number;
+  createdBy: string;
+}
+
+export interface PollOptionViewModel extends OptionRecord {
+  voteCount: number;
+  isSelectedByMe: boolean;
+}
+
+export interface PollViewModel {
+  title: string;
+  roomId: string;
+  shareUrl: string;
+  connectionStatus: ConnectionStatus;
+  options: PollOptionViewModel[];
+  myVoteOptionId: string | null;
+}
+
+const META_KEY_TITLE = "title";
+
+function createOptionId() {
+  if (typeof crypto.randomUUID === "function") {
+    return crypto.randomUUID();
+  }
+
+  return `option-${Math.random().toString(36).slice(2, 10)}`;
+}
+
+function normalizeLabel(label: string) {
+  return label.trim().replace(/\s+/g, " ");
+}
+
+function getPollTitle(meta: Y.Map<string>) {
+  return meta.get(META_KEY_TITLE) ?? DEFAULT_POLL_TITLE;
+}
+
+export function ensurePollInitialized(meta: Y.Map<string>) {
+  if (!meta.has(META_KEY_TITLE)) {
+    meta.set(META_KEY_TITLE, DEFAULT_POLL_TITLE);
+  }
+}
+
+export function addOption(
+  options: Y.Map<OptionRecord>,
+  rawLabel: string,
+  userId: string,
+) {
+  const label = normalizeLabel(rawLabel);
+  if (!label) {
+    return { ok: false as const, error: "Option label cannot be empty." };
+  }
+
+  const normalizedTarget = label.toLocaleLowerCase();
+  const duplicate = Array.from(options.values()).some(
+    (option) => option.label.trim().toLocaleLowerCase() === normalizedTarget,
+  );
+
+  if (duplicate) {
+    return { ok: false as const, error: "That option already exists." };
+  }
+
+  const option: OptionRecord = {
+    id: createOptionId(),
+    label,
+    createdAt: Date.now(),
+    createdBy: userId,
+  };
+
+  options.set(option.id, option);
+  return { ok: true as const, optionId: option.id };
+}
+
+export function castVote(votes: Y.Map<string>, userId: string, optionId: string) {
+  votes.set(userId, optionId);
+}
+
+export function createViewModel(params: {
+  meta: Y.Map<string>;
+  options: Y.Map<OptionRecord>;
+  votes: Y.Map<string>;
+  roomId: string;
+  shareUrl: string;
+  connectionStatus: ConnectionStatus;
+  userId: string;
+}): PollViewModel {
+  const { meta, options, votes, roomId, shareUrl, connectionStatus, userId } =
+    params;
+
+  const tally = new Map<string, number>();
+  for (const optionId of votes.values()) {
+    tally.set(optionId, (tally.get(optionId) ?? 0) + 1);
+  }
+
+  const myVoteOptionId = votes.get(userId) ?? null;
+  const sortedOptions = Array.from(options.values()).sort((left, right) => {
+    if (left.createdAt !== right.createdAt) {
+      return left.createdAt - right.createdAt;
+    }
+
+    return left.label.localeCompare(right.label);
+  });
+
+  return {
+    title: getPollTitle(meta),
+    roomId,
+    shareUrl,
+    connectionStatus,
+    myVoteOptionId,
+    options: sortedOptions.map((option) => ({
+      ...option,
+      voteCount: tally.get(option.id) ?? 0,
+      isSelectedByMe: myVoteOptionId === option.id,
+    })),
+  };
+}

src/style.css

@@ -1,412 +0,0 @@
-/* ── Fonts ─────────────────────────────────────────────── */
-@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=Playfair+Display:wght@500&display=swap');
-
-/* ── Tokens ────────────────────────────────────────────── */
-:root {
-  --bg:            #F7F6F2;
-  --surface:       #FFFFFF;
-  --surface-hover: #FAFAF8;
-  --border:        #E8E5DF;
-  --border-focus:  #1A1A1A;
-
-  --text-primary:   #1A1A1A;
-  --text-secondary: #6B6860;
-  --text-muted:     #AAA79F;
-
-  --accent:         #1A1A1A;
-  --accent-text:    #FFFFFF;
-
-  --vote-bar:       rgba(26, 26, 26, 0.07);
-  --vote-bar-voted: rgba(26, 26, 26, 0.12);
-
-  --success:        #2D7D46;
-  --danger:         #C0392B;
-
-  --radius-sm:  6px;
-  --radius-md:  10px;
-  --radius-lg:  14px;
-
-  --font-display: 'Playfair Display', Georgia, serif;
-  --font-body:    'DM Sans', system-ui, sans-serif;
-
-  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
-}
-
-/* ── Reset ─────────────────────────────────────────────── */
-*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
-
-/* ── Base ──────────────────────────────────────────────── */
-html { font-size: 16px; }
-
-body {
-  font-family: var(--font-body);
-  background: var(--bg);
-  color: var(--text-primary);
-  min-height: 100vh;
-  -webkit-font-smoothing: antialiased;
-}
-
-/* ── Layout ────────────────────────────────────────────── */
-#app {
-  max-width: 580px;
-  margin: 0 auto;
-  padding: 2rem 1.25rem 4rem;
-  display: flex;
-  flex-direction: column;
-  gap: 1.25rem;
-}
-
-/* ── Header ────────────────────────────────────────────── */
-.app-header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 0 0.25rem;
-}
-
-.app-wordmark {
-  display: flex;
-  align-items: center;
-  gap: 0.5rem;
-  font-family: var(--font-display);
-  font-size: 1.1rem;
-  color: var(--text-primary);
-  letter-spacing: -0.01em;
-}
-
-/* ── Status bar ────────────────────────────────────────── */
-.status-bar {
-  display: flex;
-  align-items: center;
-  gap: 0.4rem;
-  font-size: 0.8rem;
-  color: var(--text-secondary);
-}
-
-.status-dot {
-  width: 6px;
-  height: 6px;
-  border-radius: 50%;
-  flex-shrink: 0;
-  transition: background 0.3s;
-}
-
-.status-dot.connecting { background: var(--text-muted); }
-.status-dot.ready      { background: var(--text-muted); }
-.status-dot.connected  { background: var(--success); }
-
-.status-divider { color: var(--text-muted); }
-
-/* ── Card ──────────────────────────────────────────────── */
-.app-card {
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  box-shadow: var(--shadow-card);
-  overflow: hidden;
-}
-
-/* ── Poll Title ────────────────────────────────────────── */
-.poll-title-wrapper {
-  padding: 1.75rem 1.75rem 1.25rem;
-  border-bottom: 1px solid var(--border);
-}
-
-.poll-title-input {
-  width: 100%;
-  font-family: var(--font-display);
-  font-size: 1.5rem;
-  font-weight: 500;
-  color: var(--text-primary);
-  background: transparent;
-  border: none;
-  outline: none;
-  line-height: 1.3;
-  letter-spacing: -0.02em;
-}
-
-.poll-title-input::placeholder { color: var(--text-muted); }
-
-/* ── Add Option ────────────────────────────────────────── */
-.add-option-wrapper {
-  display: flex;
-  gap: 0.625rem;
-  padding: 1.25rem 1.75rem;
-  border-bottom: 1px solid var(--border);
-}
-
-.add-option-input {
-  flex: 1;
-  height: 2.5rem;
-  padding: 0 0.875rem;
-  font-family: var(--font-body);
-  font-size: 0.9rem;
-  color: var(--text-primary);
-  background: var(--bg);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  outline: none;
-  transition: border-color 0.15s;
-}
-
-.add-option-input::placeholder { color: var(--text-muted); }
-.add-option-input:focus { border-color: var(--border-focus); }
-
-.add-option-input.shake {
-  animation: shake 0.3s ease;
-}
-
-@keyframes shake {
-  0%, 100% { transform: translateX(0); }
-  25%       { transform: translateX(-4px); }
-  75%       { transform: translateX(4px); }
-}
-
-.add-option-btn {
-  display: flex;
-  align-items: center;
-  gap: 0.375rem;
-  height: 2.5rem;
-  padding: 0 1rem;
-  font-family: var(--font-body);
-  font-size: 0.875rem;
-  font-weight: 500;
-  color: var(--accent-text);
-  background: var(--accent);
-  border: none;
-  border-radius: var(--radius-sm);
-  cursor: pointer;
-  transition: opacity 0.15s;
-  white-space: nowrap;
-}
-
-.add-option-btn:hover { opacity: 0.85; }
-.add-option-btn:active { opacity: 0.7; }
-
-/* ── Poll List ─────────────────────────────────────────── */
-.poll-list-wrapper {
-  padding: 0.5rem 0;
-}
-
-.poll-list-meta {
-  padding: 0.5rem 1.75rem 0.75rem;
-  font-size: 0.775rem;
-  color: var(--text-muted);
-  letter-spacing: 0.02em;
-  text-transform: uppercase;
-  font-weight: 500;
-}
-
-.poll-list-empty {
-  padding: 3rem 1.75rem;
-  text-align: center;
-  color: var(--text-muted);
-  font-size: 0.875rem;
-}
-
-.empty-icon {
-  margin-bottom: 0.75rem;
-  opacity: 0.6;
-}
-
-/* ── Poll Option ───────────────────────────────────────── */
-.poll-option {
-  position: relative;
-  overflow: hidden;
-  transition: background 0.15s;
-}
-
-.poll-option:hover {
-  background: var(--surface-hover);
-}
-
-.poll-option__bar {
-  position: absolute;
-  inset: 0 auto 0 0;
-  background: var(--vote-bar);
-  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
-  pointer-events: none;
-}
-
-.poll-option--voted .poll-option__bar {
-  background: var(--vote-bar-voted);
-}
-
-.poll-option__content {
-  position: relative;
-  display: flex;
-  align-items: center;
-  gap: 0.75rem;
-  padding: 0.875rem 1.75rem;
-}
-
-.poll-option__name {
-  flex: 1;
-  font-size: 0.9375rem;
-  font-weight: 400;
-  color: var(--text-primary);
-  word-break: break-word;
-}
-
-.poll-option--voted .poll-option__name {
-  font-weight: 500;
-}
-
-.poll-option__actions {
-  display: flex;
-  align-items: center;
-  gap: 0.625rem;
-  flex-shrink: 0;
-}
-
-.poll-option__pct {
-  font-size: 0.8125rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  min-width: 2.5rem;
-  text-align: right;
-}
-
-.poll-option__count {
-  font-size: 0.775rem;
-  color: var(--text-muted);
-  min-width: 3.5rem;
-}
-
-.poll-option__vote-btn {
-  height: 1.875rem;
-  padding: 0 0.875rem;
-  font-family: var(--font-body);
-  font-size: 0.8125rem;
-  font-weight: 500;
-  border-radius: var(--radius-sm);
-  cursor: pointer;
-  transition: all 0.15s;
-  white-space: nowrap;
-
-  background: transparent;
-  color: var(--text-secondary);
-  border: 1px solid var(--border);
-}
-
-.poll-option__vote-btn:hover {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-.poll-option--voted .poll-option__vote-btn {
-  background: var(--accent);
-  color: var(--accent-text);
-  border-color: var(--accent);
-}
-
-.poll-option--voted .poll-option__vote-btn:hover {
-  opacity: 0.8;
-}
-
-.poll-option__delete-btn {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  width: 1.625rem;
-  height: 1.625rem;
-  background: transparent;
-  border: none;
-  border-radius: var(--radius-sm);
-  color: var(--text-muted);
-  cursor: pointer;
-  opacity: 0;
-  transition: opacity 0.15s, color 0.15s, background 0.15s;
-}
-
-.poll-option:hover .poll-option__delete-btn { opacity: 1; }
-.poll-option__delete-btn:hover {
-  color: var(--danger);
-  background: rgba(192, 57, 43, 0.07);
-}
-
-/* ── Footer ────────────────────────────────────────────── */
-.app-footer {
-  padding: 0 0.25rem;
-}
-
-/* ── Share Section ─────────────────────────────────────── */
-.share-section {
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  box-shadow: var(--shadow-card);
-  padding: 1.25rem 1.5rem;
-}
-
-.share-label {
-  font-size: 0.775rem;
-  font-weight: 500;
-  color: var(--text-muted);
-  text-transform: uppercase;
-  letter-spacing: 0.05em;
-  margin-bottom: 0.625rem;
-}
-
-.share-row {
-  display: flex;
-  align-items: center;
-  gap: 0.625rem;
-}
-
-.share-url {
-  flex: 1;
-  font-family: 'DM Mono', 'Fira Mono', monospace;
-  font-size: 0.8rem;
-  color: var(--text-secondary);
-  background: var(--bg);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  padding: 0.5rem 0.75rem;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  display: block;
-  user-select: all;
-}
-
-.share-copy-btn {
-  height: 2rem;
-  padding: 0 0.875rem;
-  font-family: var(--font-body);
-  font-size: 0.8125rem;
-  font-weight: 500;
-  color: var(--text-secondary);
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-sm);
-  cursor: pointer;
-  transition: all 0.15s;
-  white-space: nowrap;
-  flex-shrink: 0;
-}
-
-.share-copy-btn:hover {
-  border-color: var(--accent);
-  color: var(--accent);
-}
-
-.share-copy-btn--success {
-  color: var(--success) !important;
-  border-color: var(--success) !important;
-}
-
-/* ── Responsive ────────────────────────────────────────── */
-@media (max-width: 480px) {
-  #app { padding: 1rem 0.75rem 3rem; }
-
-  .poll-title-wrapper  { padding: 1.25rem 1.25rem 1rem; }
-  .add-option-wrapper  { padding: 1rem 1.25rem; }
-  .poll-option__content { padding: 0.875rem 1.25rem; }
-  .poll-list-meta      { padding: 0.5rem 1.25rem 0.625rem; }
-  .poll-list-empty     { padding: 2.5rem 1.25rem; }
-
-  .poll-option__count  { display: none; }
-
-  .share-section { padding: 1rem 1.25rem; }
-}

src/styles.css

@@ -0,0 +1,256 @@
+:root {
+  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
+  color: #132238;
+  background:
+    radial-gradient(circle at top left, rgba(255, 190, 120, 0.55), transparent 28%),
+    radial-gradient(circle at top right, rgba(86, 201, 166, 0.3), transparent 24%),
+    linear-gradient(180deg, #f9f4e8 0%, #f4efe6 48%, #ece5d8 100%);
+  line-height: 1.5;
+  font-weight: 400;
+  color-scheme: light;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+body {
+  margin: 0;
+  min-height: 100vh;
+}
+
+button,
+input {
+  font: inherit;
+}
+
+button {
+  cursor: pointer;
+}
+
+#app {
+  min-height: 100vh;
+}
+
+.shell {
+  width: min(920px, calc(100% - 2rem));
+  margin: 0 auto;
+  padding: 2rem 0 3rem;
+}
+
+.hero {
+  display: flex;
+  justify-content: space-between;
+  gap: 1.5rem;
+  align-items: flex-start;
+  margin-bottom: 1.5rem;
+}
+
+.hero-copy h1 {
+  margin: 0.15rem 0 0.5rem;
+  font-size: clamp(2.4rem, 6vw, 4rem);
+  line-height: 0.95;
+  letter-spacing: -0.05em;
+}
+
+.hero-text,
+.section-header p,
+.feedback,
+.option-meta,
+.room-label {
+  color: #4a5a6a;
+}
+
+.eyebrow {
+  margin: 0;
+  text-transform: uppercase;
+  letter-spacing: 0.16em;
+  font-size: 0.8rem;
+  color: #915f00;
+}
+
+.hero-meta {
+  min-width: 15rem;
+  padding: 1rem 1.1rem;
+  border-radius: 1.2rem;
+  background: rgba(255, 255, 255, 0.68);
+  border: 1px solid rgba(19, 34, 56, 0.08);
+  backdrop-filter: blur(10px);
+}
+
+.status-pill {
+  display: inline-flex;
+  align-items: center;
+  padding: 0.35rem 0.75rem;
+  border-radius: 999px;
+  font-weight: 700;
+  text-transform: capitalize;
+  font-size: 0.9rem;
+}
+
+.status-pill.connected {
+  background: rgba(86, 201, 166, 0.18);
+  color: #135d43;
+}
+
+.status-pill.connecting {
+  background: rgba(255, 190, 120, 0.22);
+  color: #8c5300;
+}
+
+.status-pill.offline {
+  background: rgba(219, 82, 82, 0.16);
+  color: #8f1f1f;
+}
+
+.panel {
+  margin-bottom: 1.25rem;
+  padding: 1.25rem;
+  border-radius: 1.3rem;
+  background: rgba(255, 255, 255, 0.78);
+  border: 1px solid rgba(19, 34, 56, 0.08);
+  box-shadow: 0 14px 40px rgba(19, 34, 56, 0.08);
+  backdrop-filter: blur(10px);
+}
+
+.panel h2 {
+  margin: 0 0 0.45rem;
+  font-size: 1.1rem;
+}
+
+.share-row,
+.option-form,
+.option-main {
+  display: flex;
+  gap: 0.75rem;
+}
+
+.field-label {
+  display: block;
+  margin-bottom: 0.6rem;
+  font-weight: 700;
+}
+
+.share-input,
+.option-form input {
+  width: 100%;
+  min-width: 0;
+  border-radius: 0.95rem;
+  border: 1px solid rgba(19, 34, 56, 0.14);
+  background: rgba(255, 255, 255, 0.94);
+  padding: 0.85rem 1rem;
+  color: #132238;
+}
+
+.share-input:focus,
+.option-form input:focus {
+  outline: 2px solid rgba(255, 190, 120, 0.65);
+  outline-offset: 1px;
+}
+
+.primary-button,
+.secondary-button,
+.vote-button {
+  border: none;
+  border-radius: 0.95rem;
+  padding: 0.85rem 1rem;
+  font-weight: 700;
+  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
+}
+
+.primary-button,
+.vote-button {
+  background: #132238;
+  color: #f9f4e8;
+  box-shadow: 0 10px 20px rgba(19, 34, 56, 0.14);
+}
+
+.secondary-button {
+  background: rgba(19, 34, 56, 0.08);
+  color: #132238;
+}
+
+.primary-button:hover,
+.secondary-button:hover,
+.vote-button:hover {
+  transform: translateY(-1px);
+}
+
+.options-list {
+  list-style: none;
+  margin: 1rem 0 0;
+  padding: 0;
+  display: grid;
+  gap: 0.75rem;
+}
+
+.option-card,
+.empty-state {
+  border-radius: 1.1rem;
+  padding: 1rem;
+  background: rgba(247, 244, 236, 0.95);
+  border: 1px solid rgba(19, 34, 56, 0.08);
+}
+
+.option-card.selected {
+  border-color: rgba(86, 201, 166, 0.85);
+  background: rgba(232, 249, 242, 0.95);
+}
+
+.option-main {
+  align-items: center;
+  justify-content: space-between;
+}
+
+.option-label {
+  margin: 0;
+  font-size: 1.05rem;
+  font-weight: 700;
+}
+
+.option-meta,
+.feedback,
+.room-label {
+  margin: 0.35rem 0 0;
+}
+
+.section-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: baseline;
+  gap: 1rem;
+}
+
+.feedback {
+  min-height: 1.5rem;
+}
+
+code {
+  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
+}
+
+@media (max-width: 720px) {
+  .shell {
+    width: min(100% - 1rem, 920px);
+    padding-top: 1rem;
+  }
+
+  .hero,
+  .share-row,
+  .option-form,
+  .option-main,
+  .section-header {
+    flex-direction: column;
+  }
+
+  .hero-meta {
+    width: 100%;
+    min-width: 0;
+  }
+
+  .primary-button,
+  .secondary-button,
+  .vote-button {
+    width: 100%;
+  }
+}

src/sync.ts

@@ -0,0 +1,64 @@
+import { IndexeddbPersistence } from "y-indexeddb";
+import { WebrtcProvider } from "y-webrtc";
+import * as Y from "yjs";
+
+import { type ConnectionStatus, ensurePollInitialized, type OptionRecord } from "./state";
+
+export interface AppSync {
+  doc: Y.Doc;
+  meta: Y.Map<string>;
+  options: Y.Map<OptionRecord>;
+  votes: Y.Map<string>;
+  provider: WebrtcProvider;
+  persistence: IndexeddbPersistence;
+  getConnectionStatus: () => ConnectionStatus;
+  destroy: () => void;
+}
+
+export function initSync(roomId: string): AppSync {
+  const doc = new Y.Doc();
+  const meta = doc.getMap<string>("poll-meta");
+  const options = doc.getMap<OptionRecord>("poll-options");
+  const votes = doc.getMap<string>("poll-votes");
+
+  ensurePollInitialized(meta);
+
+  let connectionStatus: ConnectionStatus = navigator.onLine ? "connecting" : "offline";
+  const provider = new WebrtcProvider(roomId, doc);
+  const persistence = new IndexeddbPersistence(roomId, doc);
+
+  const syncConnectionStatus = (status: ConnectionStatus) => {
+    connectionStatus = navigator.onLine ? status : "offline";
+  };
+
+  const handleOnline = () => {
+    syncConnectionStatus(provider.connected ? "connected" : "connecting");
+  };
+  const handleOffline = () => {
+    connectionStatus = "offline";
+  };
+
+  provider.on("status", (event: { connected: boolean }) => {
+    syncConnectionStatus(event.connected ? "connected" : "connecting");
+  });
+
+  window.addEventListener("online", handleOnline);
+  window.addEventListener("offline", handleOffline);
+
+  return {
+    doc,
+    meta,
+    options,
+    votes,
+    provider,
+    persistence,
+    getConnectionStatus: () => connectionStatus,
+    destroy: () => {
+      window.removeEventListener("online", handleOnline);
+      window.removeEventListener("offline", handleOffline);
+      persistence.destroy();
+      provider.destroy();
+      doc.destroy();
+    },
+  };
+}

src/utils/store.js

@@ -1,79 +0,0 @@
-import * as Y from 'yjs';
-import { WebrtcProvider } from 'y-webrtc';
-
-// --- Peer ID (stable across reloads) ---
-
-function getOrCreatePeerId() {
-  let id = localStorage.getItem('peer-id');
-  if (!id) {
-    id = crypto.randomUUID();
-    localStorage.setItem('peer-id', id);
-  }
-  return id;
-}
-
-// --- Room name from URL ---
-
-function getRoomName() {
-  const params = new URLSearchParams(window.location.search);
-  return params.get('room') || 'default-poll';
-}
-
-// --- Yjs setup ---
-
-export const peerId = getOrCreatePeerId();
-export const roomName = getRoomName();
-
-export const ydoc = new Y.Doc();
-export const provider = new WebrtcProvider(roomName, ydoc);
-export const yOptions = ydoc.getMap('poll-options');
-export const yTitle = ydoc.getText('poll-title');
-
-// --- Data operations ---
-
-export function addOption(name) {
-  const id = crypto.randomUUID();
-  const optionMap = new Y.Map();
-  optionMap.set('name', name);
-  optionMap.set('votes', new Y.Map());
-  yOptions.set(id, optionMap);
-}
-
-export function toggleVote(optionId) {
-  const optionMap = yOptions.get(optionId);
-  if (!optionMap) return;
-  const votes = optionMap.get('votes');
-  if (votes.has(peerId)) {
-    votes.delete(peerId);
-  } else {
-    votes.set(peerId, true);
-  }
-}
-
-export function deleteOption(optionId) {
-  yOptions.delete(optionId);
-}
-
-// --- Derived read helpers ---
-
-export function getEntries() {
-  const entries = [];
-  yOptions.forEach((optionMap, id) => {
-    entries.push({
-      id,
-      name: optionMap.get('name'),
-      votes: optionMap.get('votes').size,
-      voted: optionMap.get('votes').has(peerId),
-    });
-  });
-  entries.sort((a, b) => b.votes - a.votes || a.name.localeCompare(b.name));
-  return entries;
-}
-
-export function getTotalVotes() {
-  let total = 0;
-  yOptions.forEach((optionMap) => {
-    total += optionMap.get('votes').size;
-  });
-  return total;
-}

tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "lib": ["DOM", "DOM.Iterable", "ES2022"],
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "allowSyntheticDefaultImports": true,
+    "useDefineForClassFields": true
+  },
+  "include": ["src"]
+}