body{background:#000}:root{--primary-color:#4361ee;--primary-hover:#3a56d4;--secondary-color:#6c757d;--light-bg:#f8f9fa;--border-color:#e9ecef;--text-color:#212529;--text-light:#6c757d;--white:#ffffff;--shadow-sm:0 2px 10px rgba(0,0,0,0.05);--shadow-md:0 4px 15px rgba(0,0,0,0.1);--transition:all 0.3s ease}