body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#fff;display:flex;flex-direction:column;align-items:center;padding:20px 0;}
.back-btn{position:fixed;top:20px;left:20px;background:rgba(255,255,255,0.2);backdrop-filter:blur(10px);padding:10px 20px;border-radius:30px;box-shadow:0 4px 15px rgba(0,0,0,0.3);transition:.3s;z-index:100;color:white;text-decoration:none;}
.back-btn:hover{background:rgba(255,255,255,0.4);transform:translateY(-2px);}
.title{margin:80px 0 50px;font-size:34px;letter-spacing:4px;text-shadow:0 2px 10px rgba(0,0,0,0.4);}
.song-list{max-width:420px;width:100%;display:flex;flex-direction:column;gap:18px;}
.song-item{background:rgba(255,255,255,0.15);backdrop-filter:blur(12px);padding:24px;border-radius:20px;text-align:center;transition:all .3s;border:1px solid rgba(255,255,255,0.2);text-decoration:none;color:white;font-size:20px;font-weight:600;}
.song-item:hover{transform:translateY(-8px);background:rgba(255,255,255,0.28);box-shadow:0 12px 30px rgba(0,0,0,0.4);}