*,:after,:before{box-sizing:border-box}body{background:#0f172a;color:#e2e8f0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0}.card{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:16px}.card-title{color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 12px}