:root{--color-primary:#06c;--color-primary-hover:#0052a3;--color-background:#f0f2f5;--color-surface:#fff;--color-text:#1a1a1a;--color-text-muted:#666;--color-border:#d9d9d9;--color-error:#c0392b;--color-error-bg:#fdf0ef;--color-success:#27ae60;--color-success-bg:#edfaf3;--radius:8px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:none}input,button{font-family:inherit;font-size:1rem}