:root{--font-sans:system-ui, -apple-system, "Segoe UI", sans-serif;--surface-0:#fff;--surface-1:#f5f4f1;--surface-2:#fff;--border:#e2e0da;--border-strong:#c9c6bd;--border-accent:#a9c8ea;--text-primary:#2c2c2a;--text-secondary:#6b6a63;--text-muted:#9a978d;--bg-accent:#e8f1fc;--text-accent:#1d6fc4;--bg-success:#e9f5e3;--text-success:#3f7d1f;--bg-warning:#fdf1e0;--text-warning:#a15f0a;--bg-danger:#fbe9e7;--text-danger:#c4381d}body{background:var(--surface-0);color:var(--text-primary);font-family:var(--font-sans);margin:0}button{font-family:var(--font-sans);border:.5px solid var(--border-strong);background:var(--surface-2);cursor:pointer;border-radius:8px;padding:6px 12px;font-size:13px}input,select,textarea{font-family:var(--font-sans);border:.5px solid var(--border-strong);box-sizing:border-box;border-radius:8px;padding:6px 10px;font-size:13px}