Options -Indexes
Options -MultiViews

# ============================================================
# Security Headers
# ============================================================
<IfModule mod_headers.c>
    Header always set X-Content-Type-Options "nosniff"
    Header always set X-Frame-Options "SAMEORIGIN"
    Header always set X-XSS-Protection "1; mode=block"
    Header always set Referrer-Policy "strict-origin-when-cross-origin"
    Header always set Permissions-Policy "geolocation=(self), microphone=()"
    Header always set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cdn.jsdelivr.net https://unpkg.com https://cdnjs.cloudflare.com; style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://fonts.googleapis.com https://unpkg.com; font-src 'self' https://fonts.gstatic.com https://cdnjs.cloudflare.com; img-src 'self' data: https: blob:; connect-src 'self' https:; worker-src blob:;"
</IfModule>

# ============================================================
# Rewrite Engine - Hide .php extensions
# ============================================================
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /Courier/

    # Redirect trailing slashes
    RewriteRule ^(.*)/$ /$1 [L,R=301]

    # Block access to sensitive directories
    RewriteRule ^config/ - [F,L]
    RewriteRule ^includes/ - [F,L]
    RewriteRule ^database/ - [F,L]

    # Allow direct access to real files and directories
    RewriteCond %{REQUEST_FILENAME} -f [OR]
    RewriteCond %{REQUEST_FILENAME} -d
    RewriteRule ^ - [L]

    # Remove .php extension
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME}.php -f
    RewriteRule ^(.+?)/?$ $1.php [L]
</IfModule>

# ============================================================
# Block access to hidden files (.git, .env, etc.)
# ============================================================
<FilesMatch "^\.">
    Order allow,deny
    Deny from all
</FilesMatch>

# ============================================================
# Protect config and include files
# ============================================================
<FilesMatch "\.(sql|log|sh|bash|env)$">
    Order allow,deny
    Deny from all
</FilesMatch>

# ============================================================
# Disable PHP display errors in production
# ============================================================
<IfModule mod_php.c>
    php_flag display_errors Off
    php_flag log_errors On
    php_value error_log logs/php_errors.log
</IfModule>

# ============================================================
# Compression
# ============================================================
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/javascript application/json
</IfModule>

# ============================================================
# Browser caching for static assets
# ============================================================
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType image/jpeg "access plus 1 year"
    ExpiresByType image/png "access plus 1 year"
    ExpiresByType image/webp "access plus 1 year"
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
</IfModule>
