:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-text: #1e293b;--color-text-muted: #64748b}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}