:root{--color-bg:#f4f5f7;--color-surface:#ffffff;--color-border:#e2e4e9;--color-text:#1a1d23;--color-text-muted:#6b7280;--color-primary:#2f6f4f;--color-primary-hover:#255a40;--color-danger:#b3261e;--color-danger-bg:#fdecea;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--radius:8px;--shadow-card:0 1px 3px rgba(16,24,40,0.08),0 1px 2px rgba(16,24,40,0.06)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans)}a{color:inherit}button{font-family:inherit}