@keyframes regupSpinner{to{transform:rotate(360deg)}}#page-loader{position:fixed;inset:0;width:100%;height:100%;background:rgba(255,255,255,.92);z-index:9999;display:none;justify-content:center;align-items:center}.regup-page-spinner{width:46px;height:46px;border:4px solid rgba(13,110,253,.18);border-top-color:#0d6efd;border-radius:50%;animation:regupSpinner .7s linear infinite}@media (prefers-reduced-motion:reduce){.regup-page-spinner{animation-duration:1.5s}}#network-status-banner{position:fixed;top:0;left:0;right:0;z-index:10000;display:none;padding:10px 15px;text-align:center;font-size:14px;font-weight:600;color:#fff;background:#dc3545;box-shadow:0 2px 8px rgba(0,0,0,.15)}#network-status-banner.online{background:#198754}.theme-switcher{position:fixed;bottom:20px;right:20px;z-index:9999}.btn-switcher{width:50px;height:50px;border-radius:50%;padding:0}.theme-options{display:none;position:absolute;bottom:100%;right:0;background:#fff;padding:15px;border-radius:8px;box-shadow:0 0 15px rgba(0,0,0,.1);min-width:150px}.theme-options.show{display:block}.theme-options div{padding:8px 12px;cursor:pointer;border-radius:4px;margin:4px 0}.theme-options div:hover{background:#f8f9fa}.theme-options div.active{background:#007bff;color:#fff}