:root{--bg:#0a0d12;--fg:#e7ecf3;--muted:#8a93a4;--accent:#3b82f6;font-family:DM Sans,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);min-height:100vh;margin:0}button{cursor:pointer;font-family:inherit}