:root{color-scheme:light;--background:#f5f7fa;--surface:#ffffff;--surface-muted:#f9fafb;--line:#d8dee8;--text:#17202f;--muted:#637083;--accent:#176b5b;--accent-dark:#105145;--warning:#9a5b13;--danger:#a83232;--success:#1f7a4d;--shadow:0 10px 24px rgba(20,31,46,0.08)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--background);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit}