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+# 🔐 WeKan — Login System Overview
+
+This document provides a detailed overview of WeKan’s **login and authentication system**, covering client-side UI, server-side logic, external authentication methods, and potential upgrade paths.
+
+---
+
+## 🖥️ Login Web UI
+
+WeKan's login interface is implemented using a combination of:
+
+- `layouts.jade` – Login HTML structure
+- `layouts.js` – Login logic and interactivity
+- `layouts.css` – Styling and layout
+
+📁 Source: [`client/components/main`](https://github.com/wekan/wekan/tree/main/client/components/main)
+
+---
+
+## ⚙️ Server-Side Authentication
+
+Server-side login functionality is handled in:
+
+- [`server/authentication.js`](https://github.com/wekan/wekan/blob/main/server/authentication.js)
+
+Other related configurations:
+
+- 🔧 Account config: [`config/accounts.js`](https://github.com/wekan/wekan/blob/main/config/accounts.js)
+- 📨 Sign-up invitations: [`models/settings.js#L275`](https://github.com/wekan/wekan/blob/main/models/settings.js#L275)
+- 👤 User creation logic: [`models/users.js#L1339`](https://github.com/wekan/wekan/blob/main/models/users.js#L1339)
+
+---
+
+## 👥 Meteor User Accounts
+
+WeKan utilizes Meteor’s `accounts` system. Relevant resources:
+
+- 📚 Meteor 2.x Accounts Docs: [v2-docs.meteor.com/api/accounts](https://v2-docs.meteor.com/api/accounts)
+- 🔍 Meteor Packages:
+  - [`packages`](https://github.com/wekan/wekan/blob/main/.meteor/packages)
+  - [`versions`](https://github.com/wekan/wekan/blob/main/.meteor/versions)
+- 📦 Meteor 2.14 core packages: [Meteor 2.14 packages](https://github.com/meteor/meteor/tree/release/METEOR%402.14/packages)
+
+---
+
+## 🔐 External Authentication (OIDC, LDAP, etc.)
+
+WeKan supports external authentication methods via internal packages.
+
+📁 See [`packages/`](https://github.com/wekan/wekan/tree/main/packages) for:
+- OpenID Connect (OIDC)
+- LDAP
+- OAuth and other integrations
+
+---
+
+## 📦 NPM & AtmosphereJS Dependencies
+
+- 🔗 `package.json`: [Dependencies list](https://github.com/wekan/wekan/blob/main/package.json)
+- 🧩 WekanTeam scoped NPM packages: [@wekanteam on npm](https://www.npmjs.com/search?q=%40wekanteam)
+- ☁️ AtmosphereJS Meteor packages: [atmospherejs.com](https://atmospherejs.com)
+
+---
+
+## 🚧 Meteor Version & Upgrade Notes
+
+- 📌 Current Version: **Meteor 2.14**
+  - [`.meteor/release`](https://github.com/wekan/wekan/blob/main/.meteor/release)
+- 🔧 Maintained with only **critical fixes** until ~Summer 2025
+- 🚀 Migration to **Meteor 3** or a new framework is under consideration
+
+📘 Meteor 3 API: [docs.meteor.com/api/accounts](https://docs.meteor.com/api/accounts)
+
+---
+
+## 🧪 Prototypes & Examples
+
+### 🐘 PHP Prototype Sign-Up
+
+Used in experimental versions:
+
+- Step 1: [`sign-up1.php`](https://github.com/wekan/php/blob/main/page/sign-up1.php)
+- Step 2: [`sign-up2.php`](https://github.com/wekan/php/blob/main/page/sign-up2.php)
+- Main entry: [`index.php#L72-L83`](https://github.com/wekan/php/blob/main/public/index.php#L72-L83)
+
+---
+
+### 🎨 WeKan Studio Prototype
+
+Sign-up logic in the **WeKan Studio** version:
+
+- [`signUp.fmt`](https://github.com/wekan/wekanstudio/blob/main/srv/templates/login/signUp.fmt)
+
+---
+
+## 📎 Future Considerations
+
+- Upgrading to **Meteor 3.x**
+- Refactoring frontend logic to fix translation rendering order
+- Exploring **simplified authentication systems** in future prototypes
+
+---
+
+## 🔗 Project Links
+
+- 🔧 Main Repo: [github.com/wekan/wekan](https://github.com/wekan/wekan)
+- 🌐 Website: [wekan.github.io](https://wekan.github.io)
+- 📚 Documentation: [Wekan Wiki](https://github.com/wekan/wekan/wiki)
+
+---
+
+
+
+---