.app{min-height:100vh;background-color:#f5f5f5}.loading,.auth-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px;text-align:center}.spinner{width:48px;height:48px;border:4px solid #e0e0e0;border-top-color:#06c755;border-radius:50%;animation:spin 1s linear infinite}.loading p{margin-top:16px;color:#666;font-size:14px}.auth-error .icon{font-size:64px;margin-bottom:16px}.auth-error h1{font-size:20px;color:#333;margin-bottom:8px}.auth-error p{font-size:14px;color:#666}@keyframes spin{to{transform:rotate(360deg)}}