Initial commit: BalanceBoard - Reddit-style content aggregator

- Flask-based web application with PostgreSQL
- User authentication and session management
- Content moderation and filtering
- Docker deployment with docker-compose
- Admin interface for content management

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

templates/signup.html

@@ -0,0 +1,70 @@
+{% extends "base.html" %}
+
+{% block title %}Sign Up - BalanceBoard{% endblock %}
+
+{% block content %}
+<div class="auth-container">
+    <div class="auth-card">
+        <div class="auth-logo">
+            <img src="{{ url_for('serve_logo') }}" alt="BalanceBoard Logo">
+            <h1><span class="balance">balance</span>Board</h1>
+            <p style="color: var(--text-secondary); margin-top: 8px;">Create your account</p>
+        </div>
+
+        {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+                <div class="flash-messages">
+                    {% for category, message in messages %}
+                        <div class="flash-message {{ category }}">{{ message }}</div>
+                    {% endfor %}
+                </div>
+            {% endif %}
+        {% endwith %}
+
+        <form method="POST" class="auth-form">
+            <div class="form-group">
+                <label for="username">Username</label>
+                <input type="text" id="username" name="username" required autofocus
+                       pattern="[a-zA-Z0-9_]{3,20}"
+                       title="Username must be 3-20 characters, letters, numbers and underscores only">
+            </div>
+
+            <div class="form-group">
+                <label for="email">Email</label>
+                <input type="email" id="email" name="email" required>
+            </div>
+
+            <div class="form-group">
+                <label for="password">Password</label>
+                <input type="password" id="password" name="password" required
+                       minlength="8"
+                       title="Password must be at least 8 characters">
+            </div>
+
+            <div class="form-group">
+                <label for="password_confirm">Confirm Password</label>
+                <input type="password" id="password_confirm" name="password_confirm" required>
+            </div>
+
+            <button type="submit">Sign Up</button>
+        </form>
+
+        <div class="social-auth-separator">
+            <span>or</span>
+        </div>
+
+        <div class="social-auth-buttons">
+            <a href="{{ url_for('auth0_login') }}" class="social-btn auth0-btn">
+                <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M21.98 7.448L19.62 0H4.347L2.02 7.448c-1.352 4.312.03 9.206 3.815 12.015L12.007 24l6.157-4.537c3.785-2.809 5.167-7.703 3.815-12.015z"/>
+                </svg>
+                Sign up with Auth0
+            </a>
+        </div>
+
+        <div class="auth-footer">
+            <p>Already have an account? <a href="{{ url_for('login') }}">Log in</a></p>
+        </div>
+    </div>
+</div>
+{% endblock %}