*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fafafa;--bg-card:#ffffff;--text:#111111;--text-muted:#666666;--border:#e5e5e5;--accent:#2563eb;--accent-hover:#1d4ed8;--danger:#dc2626;--warning:#f59e0b;--success:#16a34a;--radius:8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100dvh}button{cursor:pointer;border:none}button,input,select{font:inherit}@media (max-width:640px){body{font-size:15px}}