*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f9fafb;--color-surface:#ffffff;--color-border:#e5e7eb;--color-text:#111827;--color-text-muted:#6b7280;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-danger:#dc2626;--radius:8px;--shadow:0 1px 3px 0 rgb(0 0 0/0.1),0 1px 2px -1px rgb(0 0 0/0.1)}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}