:root{--text-primary: #000;--text-secondary: #333;--background-light: #f4f4f4;--highlight: #FBD784;--menu-background: #fff;--menu-hover: #f0f0f0;--section-bg: #ffffff;--button-bg: #0B74DA;--footer-text: #000000}body.dark-mode{--text-primary: #ffffff;--text-secondary: #bbbbbb;--background-light: #121212;--highlight: #FFA500;--menu-background: #222;--menu-hover: #444;--section-bg: #1e1e1e;--button-bg: #1a73e8;--footer-text: #ffffff}html,body{height:100%}body{margin:0;background-color:var(--background-light);color:var(--text-primary);transition:background .3s ease,color .3s ease;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}