.theme-overlay{position:fixed;inset:0;pointer-events:none;z-index:5;overflow:hidden}.theme-heart{position:absolute;bottom:-40px;font-size:18px;opacity:0;animation:floatUp 6.5s linear infinite}@keyframes floatUp{0%{transform:translateY(0) scale(.9);opacity:0}10%{opacity:.65}100%{transform:translateY(-110vh) scale(1.2);opacity:0}}