:root{font-family:system-ui;color:#172033;background:#f4f7fb}*{box-sizing:border-box}body{margin:0}header{background:#10182b;color:#fff;padding:18px 5%;display:flex;justify-content:space-between}a{color:#dbe7ff;margin-left:18px}main{max-width:1100px;margin:35px auto;padding:20px}.card,article{background:#fff;padding:28px;border-radius:16px;margin:15px auto;max-width:480px}.amount{font-size:38px;font-weight:800;margin:24px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}input,button{padding:11px;margin:6px;border-radius:8px;border:1px solid #cad3e2}button{background:#3267e8;color:#fff;font-weight:700}table{width:100%;background:#fff;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid #e7ebf1;text-align:left}