:root{--color-bg:#121212;--color-surface:#1e1e1e;--color-border:#2c2c2c;--color-scanner-bg:#000;--color-on-dark:#fff;--color-primary:#2196f3;--color-success:#4caf50;--color-warning:#ff9800;--color-on-warning:#000;--color-danger:#f44336;--color-neutral:#9e9e9e;--color-overlay:#0000008a}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--color-bg);min-height:100vh;color:var(--color-on-dark);-webkit-font-smoothing:antialiased;font-family:Poppins,sans-serif}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}