*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;background:linear-gradient(135deg,#ff6a00,#ee0979,#00c9ff,#92fe9d);background-size:300% 300%;animation:gradientMove 10s ease infinite;min-height:100vh;display:flex;justify-content:center;align-items:center;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes gradientMove{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.app{position:relative;width:90%;max-width:900px;background:#ffffff26;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px;padding:40px;text-align:center;color:#fff;box-shadow:0 10px 40px #0000004d;overflow:hidden}.app:before,.app:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;filter:blur(90px);z-index:-1;animation:float 6s ease-in-out infinite}.app:before{background:#ff4081;top:-40px;left:-40px}.app:after{background:#40c4ff;bottom:-40px;right:-40px}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.hero h1{font-size:40px;margin-bottom:10px;animation:bounce 2s infinite}.hero p{font-size:18px;opacity:.9}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.wishes{margin:30px 0}.buttons button{margin:8px;padding:10px 18px;border:none;border-radius:25px;cursor:pointer;background:#fff;color:#ff4081;font-weight:700;transition:all .3s ease}.buttons button:hover{background:#ff4081;color:#fff;transform:scale(1.05)}.message{margin-top:20px;font-size:18px;font-weight:500;animation:fadeIn .6s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.playlist-btn{margin-top:20px;padding:12px 25px;border:none;border-radius:30px;font-size:16px;font-weight:700;cursor:pointer;background:linear-gradient(45deg,#ff512f,#dd2476);color:#fff;transition:all .3s ease}.playlist-btn:hover{transform:scale(1.08);box-shadow:0 5px 20px #0000004d}.playlist{margin-top:30px}.playlist h2{margin-bottom:20px}.playlist-wrapper{max-height:0;overflow:hidden;transition:max-height .6s ease,opacity .5s ease;opacity:0}.playlist-wrapper.show{max-height:2000px;opacity:1}.video-card{margin:20px 0;transition:transform .3s ease}.video-card:hover{transform:scale(1.03)}.playlist iframe{width:100%;max-width:600px;height:320px;display:block;margin:0 auto;border-radius:15px;box-shadow:0 10px 30px #0006}@media(max-width:768px){.hero h1{font-size:28px}.playlist iframe{height:220px}.app{padding:25px}}