.ms-nav-loading-overlay{display:none;position:fixed;inset:0;z-index:2147483000;align-items:center;justify-content:center;flex-direction:column;gap:1rem;background:rgb(15 23 42 / .55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);pointer-events:none}html.ms-nav-loading-active .ms-nav-loading-overlay{display:flex}.ms-nav-loading-inner{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:1.5rem 2rem;border-radius:12px;background:rgb(255 255 255 / .95);box-shadow:0 8px 32px rgb(0 0 0 / .2)}@media (prefers-color-scheme:dark){.ms-nav-loading-inner{background:rgb(30 41 59 / .95);box-shadow:0 8px 32px rgb(0 0 0 / .45)}.ms-nav-loading-text{color:#e2e8f0}}.ms-nav-loading-spinner{width:40px;height:40px;border:3px solid rgb(100 116 139 / .35);border-top-color:#f59e0b;border-radius:50%;animation:ms-nav-spin 0.75s linear infinite}@media (prefers-reduced-motion:reduce){.ms-nav-loading-spinner{animation:none;border-color:rgb(245 158 11 / .35);border-top-color:#f59e0b;opacity:.9}}@keyframes ms-nav-spin{to{transform:rotate(360deg)}}.ms-nav-loading-text{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:.95rem;font-weight:500;color:#334155;letter-spacing:.02em}