*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%}.app{height:100vh;display:flex;align-items:center;justify-content:center;background:#0e0e11;transition:background .5s ease}.catch-btn{padding:18px 36px;font-size:1.4rem;font-weight:700;border-radius:12px;border:none;cursor:pointer;background:linear-gradient(135deg,#ff3c3c,#ff9f43);color:#fff;box-shadow:0 10px 30px #ff3c3c66;transition:transform .2s ease,box-shadow .2s ease}.catch-btn:hover{transform:scale(1.05);box-shadow:0 15px 40px #ff3c3c99}.celebration{animation:flashBg .4s infinite alternate}@keyframes flashBg{0%{background:#1b0033}to{background:#00331b}}.celebration-overlay{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;animation:popIn .6s ease forwards;color:#fff;text-align:center}.celebration-overlay h1{font-size:3rem;animation:glow 1.5s infinite alternate}@keyframes glow{0%{text-shadow:0 0 10px #ffcc00}to{text-shadow:0 0 30px #ff00ff}}@keyframes popIn{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}