diff --git a/modules/billing/RECENT_FIXES_SUMMARY.md b/modules/billing/RECENT_FIXES_SUMMARY.md
new file mode 100644
index 00000000..4a7ac383
--- /dev/null
+++ b/modules/billing/RECENT_FIXES_SUMMARY.md
@@ -0,0 +1,266 @@
+# Recent Fixes & Enhancements Summary
+**Date:** November 10, 2025
+
+## Critical Fixes Completed ✅
+
+### 1. PayPal Payment Capture Session Issue (FIXED)
+**Problem:** Payment capture was failing with `NO_USER_SESSION` error even though user was logged in.
+
+**Root Cause:** The `api/capture_order.php` file was calling `session_start()` without setting the session name first, so it couldn't access the `gameservers_website` session where the user_id is stored.
+
+**Solution:** Added `session_name("gameservers_website")` before `session_start()` in `capture_order.php`.
+
+**File Modified:** `modules/billing/api/capture_order.php` (line ~148)
+
+**Test Steps:**
+1. Log into the billing site
+2. Add a server to cart
+3. Click PayPal checkout button
+4. Complete payment in PayPal sandbox
+5. Verify payment completes successfully and redirects to success page
+6. Check `modules/billing/logs/payment_capture.log` - should no longer show `NO_USER_SESSION` error
+
+---
+
+### 2. Cart Page Debug Logging Removed (COMPLETED)
+**What Was Removed:**
+- Shutdown function that logged to `data/debug_cart.log`
+- `?debug_cart=1` parameter handling
+- Debug error display code
+
+**File Modified:** `modules/billing/cart.php` (lines 1-30)
+
+**Result:** Cart page now runs in production mode without debug overhead.
+
+---
+
+### 3. Cart Page Header/Footer Consistency (FIXED)
+**Problem:** Cart page had different fonts and styling than other billing pages; missing footer entirely.
+
+**Solutions Applied:**
+1. Added `include(__DIR__ . '/includes/top.php');` before menu
+2. Added `include(__DIR__ . '/includes/footer.php');` at page end
+3. Removed global `font-family` and `background` override from inline CSS
+4. Added favicon links to match other pages
+
+**Files Modified:**
+- `modules/billing/cart.php` (head section and body closing)
+
+**Result:** Cart page now has consistent header/menu/footer with rest of billing module.
+
+---
+
+## Documentation Enhancements Started 📚
+
+### 4. Minecraft Documentation Updated (TEMPLATE CREATED)
+**What Was Added:**
+- Comprehensive **Ports section** with table showing all ports (TCP 25565, UDP 25565, TCP 25575, UDP 19132)
+- Port purposes clearly explained
+- Firewall configuration examples for multiple platforms
+- Security notes for RCON and port protection
+- Enhanced navigation with icons (🔌 Ports, ⚙️ Startup Parameters, 🔧 Troubleshooting)
+
+**File Modified:** `modules/billing/docs/minecraft/index.php`
+
+**Template Pattern Established:**
+- ✅ Quick Info section (at top)
+- ✅ Ports section with complete table
+- ✅ Installation steps
+- ✅ Configuration examples
+- ✅ Startup Parameters section (already excellent)
+- ✅ Troubleshooting section (already comprehensive)
+- ✅ Performance optimization
+- ✅ Security best practices
+
+---
+
+## Remaining Documentation Work 📋
+
+### Games Needing Full Port/Parameter/Troubleshooting Docs
+
+The following games need their `docs/{game}/index.php` files updated with the Minecraft template pattern:
+
+#### High Priority Games (Popular):
+1. **Counter-Strike: Global Offensive** (`csgo/`)
+2. **Team Fortress 2** (`tf2/`)
+3. **Garry's Mod** (`garrysmod/`)
+4. **Rust** (`rust/`)
+5. **ARK: Survival Evolved** (`arkse/`)
+6. **Terraria** (`terraria/`)
+7. **Valheim** (`valheim/`)
+8. **7 Days to Die** (`7daystodie/`)
+9. **DayZ** (`dayz/`)
+10. **Left 4 Dead 2** (`left4dead2/`)
+
+#### Medium Priority:
+11. Counter-Strike Source (`css/`)
+12. Arma 3 (`arma3/`)
+13. Squad (`squad/`)
+14. Insurgency Sandstorm (`insurgencysandstorm/`)
+15. Space Engineers (`space_engineers/`)
+16. Conan Exiles (`conanexiles/`)
+17. The Forest (`theforest/`)
+18. Don't Starve Together (`dontstarvetogether/`)
+19. Factorio (`factorio/`)
+20. TeamSpeak 3 (`teamspeak3/`)
+
+#### Lower Priority (Legacy/Niche):
+21. All remaining games in `modules/billing/docs/`
+
+---
+
+### Research Needed Per Game
+
+For each game, research and document:
+
+1. **All Network Ports:**
+   - Game port (TCP/UDP)
+   - Query port
+   - RCON/Admin port
+   - Voice chat ports (if applicable)
+   - Steam port (if Steam-based)
+   - Additional service ports (web interfaces, etc.)
+
+2. **Startup Parameters:**
+   - Command-line flags
+   - Memory allocation
+   - Server configuration switches
+   - Performance optimization flags
+
+3. **Common Issues (from internet research):**
+   - "Server won't start" specific to that game
+   - Connection problems
+   - Performance/lag issues specific to game engine
+   - Mod/plugin conflicts
+   - Save corruption issues
+   - Update/patch problems
+
+4. **Game-Specific Configuration:**
+   - Main config file locations
+   - Critical settings
+   - Player limits
+   - World/map settings
+
+---
+
+### Documentation Template Structure
+
+Each game's `index.php` should follow this structure:
+
+```php
+<?php
+/**
+ * {Game Name} Server Documentation
+ */
+?>
+
+<!-- Navigation with icons -->
+<div style="background: #1e3a5f...">
+    <h3>📚 Quick Navigation</h3>
+    <div>
+        <a href="#quick-info">Quick Info</a>
+        <a href="#ports">🔌 Ports</a>
+        <a href="#installation">Installation</a>
+        <a href="#configuration">Configuration</a>
+        <a href="#parameters">⚙️ Startup Parameters</a>
+        <a href="#troubleshooting">🔧 Troubleshooting</a>
+        <a href="#performance">Performance</a>
+    </div>
+</div>
+
+<h1>{Game Name} Server Hosting Guide</h1>
+
+<h2 id="quick-info">Quick Info</h2>
+<!-- Key stats in styled box -->
+
+<h2 id="ports">🔌 Network Ports Used</h2>
+<!-- Table with all ports, protocols, purposes, required/optional -->
+<!-- Firewall examples -->
+<!-- Port security notes -->
+
+<h2 id="installation">Installation & Setup</h2>
+<!-- Step-by-step installation -->
+
+<h2 id="configuration">Server Configuration</h2>
+<!-- Config file examples -->
+
+<h2 id="parameters">⚙️ Startup Parameters</h2>
+<!-- Command-line flags -->
+<!-- Parameter explanations -->
+
+<h2 id="troubleshooting">🔧 Troubleshooting</h2>
+<!-- Common Issues section -->
+<!-- Server Won't Start -->
+<!-- Connection Problems -->
+<!-- Performance Issues -->
+<!-- Game-specific problems -->
+
+<h2 id="performance">Performance Optimization</h2>
+<!-- Optimization tips -->
+
+<!-- Additional Resources -->
+<!-- Important Notes -->
+```
+
+---
+
+## Testing Checklist
+
+### PayPal Payment Flow:
+- [ ] Log into billing site
+- [ ] Add server to cart
+- [ ] Apply coupon (optional)
+- [ ] Click PayPal button
+- [ ] Complete sandbox payment
+- [ ] Verify success page loads
+- [ ] Check invoice marked as paid in database
+- [ ] Verify no `NO_USER_SESSION` in `logs/payment_capture.log`
+
+### Cart Page:
+- [ ] Cart page loads with correct header/menu (same font as index.php)
+- [ ] Footer appears with timestamp
+- [ ] Favicon displays in browser tab
+- [ ] Remove item (trash icon) works via AJAX
+- [ ] Cart refreshes without full page reload after removal
+- [ ] Database row hard-deleted (invoice removed from table)
+
+### Documentation:
+- [ ] Navigate to `/docs.php` (or docs index)
+- [ ] Click on Minecraft documentation
+- [ ] Verify new Ports section displays correctly
+- [ ] Verify navigation links jump to correct sections
+- [ ] Test on mobile/tablet for responsive layout
+
+---
+
+## Next Steps (Priority Order)
+
+1. **Test PayPal payment flow end-to-end** (sandbox environment)
+2. **Verify cart removal functionality** (AJAX + database deletion)
+3. **Begin documentation expansion:**
+   - Start with top 10 popular games
+   - Research ports/parameters/issues for each
+   - Update docs using Minecraft template
+   - Test navigation and layout
+4. **Consider automation:**
+   - Script to validate all game docs have required sections
+   - Port information database/reference
+   - Common troubleshooting template generator
+
+---
+
+## Files Modified in This Session
+
+1. `modules/billing/api/capture_order.php` - Fixed session name issue
+2. `modules/billing/cart.php` - Removed debug logging, fixed header/footer
+3. `modules/billing/docs/minecraft/index.php` - Added ports section, enhanced navigation
+
+## Files to Review
+
+- `modules/billing/logs/payment_capture.log` - Check for successful captures
+- `modules/billing/data/debug_cart.log` - Should no longer be written to
+- Database table `{$table_prefix}billing_invoices` - Verify removals are hard-deleted
+
+---
+
+**End of Summary**
diff --git a/modules/billing/api/capture_order.php b/modules/billing/api/capture_order.php
index ce2edaf8..38fb1e3f 100644
--- a/modules/billing/api/capture_order.php
+++ b/modules/billing/api/capture_order.php
@@ -136,8 +136,11 @@ log_payment('PAYMENT_CAPTURED', [
     'payer_name' => trim($payer_name)
 ]);
 
-// Start session to get user_id
-session_start();
+// Start session to get user_id (use billing website session name)
+if (session_status() === PHP_SESSION_NONE) {
+    session_name("gameservers_website");
+    session_start();
+}
 $user_id = isset($_SESSION['website_user_id']) ? intval($_SESSION['website_user_id']) : 
            (isset($_SESSION['user_id']) ? intval($_SESSION['user_id']) : 0);
 
diff --git a/modules/billing/cart.php b/modules/billing/cart.php
index 7ebf1749..09c7b441 100644
--- a/modules/billing/cart.php
+++ b/modules/billing/cart.php
@@ -1,32 +1,4 @@
 <?php
-// Debugging helper: enable when visiting with ?debug_cart=1
-$debug_cart = isset($_GET['debug_cart']) && $_GET['debug_cart'] === '1';
-if ($debug_cart) {
-    // Show all errors for immediate feedback
-    @ini_set('display_errors', '1');
-    @ini_set('display_startup_errors', '1');
-    @error_reporting(E_ALL);
-}
-
-// Register a shutdown function to capture fatal errors and write diagnostics to a debug log
-register_shutdown_function(function() use ($debug_cart) {
-    $err = error_get_last();
-    $logPath = __DIR__ . '/data';
-    if (!is_dir($logPath)) @mkdir($logPath, 0755, true);
-    $logFile = $logPath . '/debug_cart.log';
-    $out = "[" . date('Y-m-d H:i:s') . "] SHUTDOWN: ";
-    if ($err) {
-        $out .= json_encode($err) . "\n";
-    } else {
-        $out .= "no error\n";
-    }
-    @file_put_contents($logFile, $out, FILE_APPEND | LOCK_EX);
-    if ($debug_cart && $err) {
-        echo '<pre style="background:#fff7e6;border:1px solid #e6b800;padding:10px;">';
-        echo "Shutdown error:\n" . htmlspecialchars(print_r($err, true));
-        echo '</pre>';
-    }
-});
 /**
  * Shopping Cart - Rebuilt from scratch for reliability
  * Displays unpaid invoices and provides PayPal checkout
diff --git a/modules/billing/docs/minecraft/index.php b/modules/billing/docs/minecraft/index.php
index 01969730..439aaba6 100644
--- a/modules/billing/docs/minecraft/index.php
+++ b/modules/billing/docs/minecraft/index.php
@@ -5,14 +5,15 @@
  */
 ?>
 <div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
-    <h3 style="color: #ffffff; margin-top: 0;">Navigation</h3>
+    <h3 style="color: #ffffff; margin-top: 0;">📚 Quick Navigation</h3>
     <div style="display: flex; flex-wrap: wrap; gap: 10px;">
         <a href="#quick-info" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Quick Info</a>
+        <a href="#ports" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔌 Ports</a>
         <a href="#installation" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Installation</a>
         <a href="#configuration" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Configuration</a>
-        <a href="#parameters" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Parameters</a>
+        <a href="#parameters" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">⚙️ Startup Parameters</a>
         <a href="#plugins-mods" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Plugins & Mods</a>
-        <a href="#troubleshooting" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Troubleshooting</a>
+        <a href="#troubleshooting" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔧 Troubleshooting</a>
         <a href="#performance" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Performance</a>
         <a href="#security" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Security</a>
     </div>
@@ -38,6 +39,90 @@
     </ul>
 </div>
 
+<h2 id="ports">🔌 Network Ports Used</h2>
+<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
+    <h3 style="color: #ffffff; margin-top: 0;">Required Ports</h3>
+    <table style="width: 100%; color: #e5e7eb; border-collapse: collapse;">
+        <thead>
+            <tr style="background: #0f172a;">
+                <th style="padding: 10px; text-align: left; color: #ffffff;">Port</th>
+                <th style="padding: 10px; text-align: left; color: #ffffff;">Protocol</th>
+                <th style="padding: 10px; text-align: left; color: #ffffff;">Purpose</th>
+                <th style="padding: 10px; text-align: left; color: #ffffff;">Required?</th>
+            </tr>
+        </thead>
+        <tbody>
+            <tr style="border-bottom: 1px solid #374151;">
+                <td style="padding: 10px;"><code style="background: #0f172a; padding: 2px 6px; border-radius: 3px;">25565</code></td>
+                <td style="padding: 10px;">TCP</td>
+                <td style="padding: 10px;">Main game connection (players connect here)</td>
+                <td style="padding: 10px;"><span style="color: #10b981;">✓ Yes</span></td>
+            </tr>
+            <tr style="border-bottom: 1px solid #374151;">
+                <td style="padding: 10px;"><code style="background: #0f172a; padding: 2px 6px; border-radius: 3px;">25565</code></td>
+                <td style="padding: 10px;">UDP</td>
+                <td style="padding: 10px;">Server query protocol (for server lists)</td>
+                <td style="padding: 10px;"><span style="color: #f59e0b;">○ Optional</span></td>
+            </tr>
+            <tr style="border-bottom: 1px solid #374151;">
+                <td style="padding: 10px;"><code style="background: #0f172a; padding: 2px 6px; border-radius: 3px;">25575</code></td>
+                <td style="padding: 10px;">TCP</td>
+                <td style="padding: 10px;">RCON (remote console administration)</td>
+                <td style="padding: 10px;"><span style="color: #f59e0b;">○ Optional</span></td>
+            </tr>
+            <tr>
+                <td style="padding: 10px;"><code style="background: #0f172a; padding: 2px 6px; border-radius: 3px;">19132</code></td>
+                <td style="padding: 10px;">UDP</td>
+                <td style="padding: 10px;">Bedrock Edition (if running Geyser plugin)</td>
+                <td style="padding: 10px;"><span style="color: #f59e0b;">○ Optional</span></td>
+            </tr>
+        </tbody>
+    </table>
+    
+    <h3 style="color: #ffffff; margin-top: 20px;">Firewall Configuration Examples</h3>
+    <p style="color: #e5e7eb;">Allow Minecraft server through your firewall:</p>
+    <pre><code style="color: #a5b4fc;"># UFW (Ubuntu/Debian)
+sudo ufw allow 25565/tcp comment 'Minecraft Server'
+sudo ufw allow 25565/udp comment 'Minecraft Query'
+
+# FirewallD (CentOS/RHEL)
+sudo firewall-cmd --permanent --add-port=25565/tcp
+sudo firewall-cmd --permanent --add-port=25565/udp
+sudo firewall-cmd --reload
+
+# iptables
+sudo iptables -A INPUT -p tcp --dport 25565 -j ACCEPT
+sudo iptables -A INPUT -p udp --dport 25565 -j ACCEPT
+sudo iptables-save > /etc/iptables/rules.v4
+
+# Windows Firewall
+netsh advfirewall firewall add rule name="Minecraft Server" dir=in action=allow protocol=TCP localport=25565
+netsh advfirewall firewall add rule name="Minecraft Query" dir=in action=allow protocol=UDP localport=25565
+</code></pre>
+
+    <h3 style="color: #ffffff; margin-top: 20px;">Port Configuration in server.properties</h3>
+    <pre><code style="color: #a5b4fc;"># Main server port (TCP)
+server-port=25565
+
+# Query port (UDP) - usually same as server-port
+query.port=25565
+enable-query=true
+
+# RCON port (TCP) - remote administration
+rcon.port=25575
+enable-rcon=false
+rcon.password=changeme_use_strong_password
+</code></pre>
+
+    <h3 style="color: #ffffff; margin-top: 20px;">⚠️ Port Security Notes</h3>
+    <ul style="color: #fef3c7; line-height: 1.8;">
+        <li>Never expose RCON port to the internet without strong authentication</li>
+        <li>Consider using a non-standard port to reduce automated attacks</li>
+        <li>If using cloud hosting, configure security groups to allow only required ports</li>
+        <li>Monitor connection attempts in server logs regularly</li>
+    </ul>
+</div>
+
 <h2 id="installation">Installation & Setup</h2>
 
 <h3>System Requirements</h3>