*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;min-height:100vh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at top,#253b5c,#0b1220 65%);color:#fff;padding:20px}
.player-container{width:100%;max-width:480px}
.player{background:rgba(15,23,42,.95);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:25px;box-shadow:0 25px 70px rgba(0,0,0,.45);backdrop-filter:blur(15px)}
.cover-container{width:100%;aspect-ratio:1/1;border-radius:18px;overflow:hidden;background:#111827;margin-bottom:22px}
.cover-container img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.cover-container img.playing{transform:scale(1.03)}
.music-info{text-align:center;margin-bottom:22px}
.music-info h1{font-size:22px;font-weight:700;margin-bottom:7px}
.music-info p{color:#94a3b8;font-size:15px}
.progress-area{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.progress-area span{font-size:12px;color:#94a3b8;min-width:38px}
.progress-area span:last-child{text-align:right}
input[type=range]{flex:1;appearance:none;height:5px;border-radius:10px;background:#334155;cursor:pointer}
input[type=range]::-webkit-slider-thumb{appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;cursor:pointer}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:#fff;cursor:pointer}
.controls{display:flex;justify-content:center;align-items:center;gap:15px;margin-bottom:22px}
.controls button{border:none;background:transparent;color:#cbd5e1;font-size:21px;cursor:pointer;width:42px;height:42px;border-radius:50%;transition:.2s}
.controls button:hover{background:rgba(255,255,255,.08);color:#fff}
.controls button.active{color:#60a5fa}
.controls .play-button{width:64px;height:64px;font-size:25px;background:#fff;color:#0f172a;box-shadow:0 8px 25px rgba(255,255,255,.15)}
.controls .play-button:hover{background:#e2e8f0;color:#0f172a}
.volume-container{display:flex;align-items:center;gap:10px;margin-bottom:25px}
.volume-container span{font-size:16px}
.volume-container input{width:100%}
.playlist-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.playlist-header h2{font-size:17px}
.playlist-header span{font-size:12px;color:#94a3b8}
.playlist{max-height:260px;overflow-y:auto;padding-right:4px}
.playlist::-webkit-scrollbar{width:5px}
.playlist::-webkit-scrollbar-thumb{background:#475569;border-radius:10px}
.playlist-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px;cursor:pointer;margin-bottom:5px;transition:.2s}
.playlist-item:hover{background:rgba(255,255,255,.06)}
.playlist-item.active{background:rgba(255,255,255,.1)}
.playlist-cover{width:45px;height:45px;border-radius:8px;object-fit:cover}
.playlist-info{flex:1;min-width:0}
.playlist-title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playlist-artist{font-size:12px;color:#94a3b8;margin-top:4px}
.playlist-play{font-size:15px;color:#94a3b8}
@media(max-width:500px){body{padding:10px}.player{padding:18px;border-radius:20px}.music-info h1{font-size:19px}.controls{gap:7px}.controls .play-button{width:58px;height:58px}}