.htaccess

# Enable CORS for API endpoints
<IfModule mod_headers.c>
    Header always set Access-Control-Allow-Origin "*"
    Header always set Access-Control-Allow-Methods "GET, POST, OPTIONS"
    Header always set Access-Control-Allow-Headers "Content-Type, Authorization"
    Header always set Access-Control-Max-Age "86400"
</IfModule>

# Handle preflight requests
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [R=200,L]

# Set default character encoding
AddDefaultCharset UTF-8

# Enable compression
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/json
</IfModule>

# Set cache headers for static files
<IfModule mod_expires.c>
    ExpiresActive on
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpg "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/svg+xml "access plus 1 month"
</IfModule>

# Security headers
<IfModule mod_headers.c>
    Header always set X-Content-Type-Options nosniff
    Header always set X-Frame-Options DENY
    Header always set X-XSS-Protection "1; mode=block"
</IfModule>

# Prevent access to sensitive files
<Files "*.json">
    Order allow,deny
    Deny from all
</Files>

# Allow access to lottery_cache.json
<Files "lottery_cache.json">
    Order allow,deny
    Allow from all
</Files>

# PHP settings
<IfModule mod_php7.c>
    php_value max_execution_time 300
    php_value memory_limit 256M
    php_value post_max_size 50M
    php_value upload_max_filesize 50M
</IfModule>