.kakao-balance-widget{display:flex;align-items:center;padding:.5rem .75rem;background:#f8f9fa;border-radius:20px;border:1px solid #e9ecef}.balance-display{display:flex;align-items:center;font-weight:500}.balance-text{font-size:.9rem;color:#2c3e50}.balance-text.warning{color:#856404;font-weight:600}.balance-text.critical{color:#dc3545;font-weight:700}#chargeButton{font-size:.8rem;padding:.25rem .75rem;border-radius:15px}#chargeButton.urgent{background:#dc3545;border-color:#dc3545;color:#fff;animation:2s infinite pulse}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}@media (max-width:768px){.kakao-balance-widget{padding:.4rem .6rem}.balance-text{font-size:.8rem}#chargeButton{font-size:.7rem;padding:.2rem .6rem}}