:root{--bg: #EBFF00;--surface: #000000;--text: #000000;--text-muted: #1a1a1a;--accent: #EBFF00;--on-accent: #000000;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}