.app-page{max-width:460px;margin:20px auto 32px;padding:0 8px}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:240px;color:#282b3c}.app-loading-spinner{width:32px;height:32px;border:3px solid rgba(40,43,60,.15);border-top-color:#282b3c;border-radius:50%;animation:app-spin .8s linear infinite}@keyframes app-spin{to{transform:rotate(360deg)}}.app-panel{text-align:center;padding:32px 16px}.app-back-link{display:inline-block;margin-top:8px;padding:10px 24px;border-radius:8px;background:#282b3c;color:#fff;text-decoration:none}