.preloader{position:fixed;inset:0;background:var(--ayu-bg);display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity .3s,visibility .3s}.preloader.hidden{opacity:0;visibility:hidden}.loader{width:50px;height:50px;border:3px solid var(--glass-border);border-radius:50%;border-top-color:var(--ayu-accent);animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.content-loading{opacity:.5;pointer-events:none}