<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteBase /
  RewriteRule ^index\.html$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteRule . /index.html [L]
</IfModule>

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

# Cache static files
<IfModule mod_expires.c>
  ExpiresActive On
  ExpiresByType image/jpeg "access plus 1 year"
  ExpiresByType image/png "access plus 1 year"
  ExpiresByType image/gif "access plus 1 year"
  ExpiresByType image/svg+xml "access plus 1 year"
  ExpiresByType text/css "access plus 1 month"
  ExpiresByType application/javascript "access plus 1 month"
  ExpiresByType text/html "access plus 1 day"
</IfModule>

# Security headers
<IfModule mod_headers.c>
  Header always set X-Frame-Options "SAMEORIGIN"
  Header always set X-XSS-Protection "1; mode=block"
  Header always set X-Content-Type-Options "nosniff"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
</IfModule>

# Disable directory browsing
Options -Indexes

# Protect sensitive files
<FilesMatch "^\.">
  Order allow,deny
  Deny from all
</FilesMatch>

<FilesMatch "\.(json|lock|log|md|sql)$">
  Order allow,deny
  Deny from all
</FilesMatch>
