:root{
  --bg:#eef1f6;
  --card:#ffffff;
  --text:#14171a;
  --sub:#5b6675;
  --accent:#3b82f6;
  --muted:#d3dae6;
  --shadow:0 10px 30px rgba(0,0,0,.15);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);}

.player-card{
  max-width:760px;margin:4vh auto;padding:18px;background:var(--card);
  border-radius:16px;box-shadow:var(--shadow);
}

.hero{display:grid;grid-template-columns: 240px 1fr;gap:22px;align-items:center}
@media (max-width:720px){.hero{grid-template-columns:1fr}}

.art-wrap{position:relative;width:100%;}
.cover{
  width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:6px;
  box-shadow:0 8px 18px rgba(0,0,0,.25); position:relative; z-index:2;
}
.vinyl{
  position:absolute; right:-18%; top:6%; width:85%; z-index:1;
  filter:drop-shadow(0 10px 20px rgba(0,0,0,.35));
  transform-origin:center;
}
.vinyl.spin{ animation: turn 3s linear infinite; }
@keyframes turn { to { transform: rotate(360deg);} }

.buy-tag{
  position:absolute; left:0; bottom:0; transform: rotate(-45deg) translate(-30% , 50%);
  background:#e53935; color:#fff; font-weight:800; text-decoration:none;
  padding:6px 14px; border-radius:6px; letter-spacing:.5px; z-index:3;
}

.meta h1{margin:0 0 4px;font-size:28px;}
.sub{margin:0;color:var(--sub)}
.volume{display:flex;align-items:center;gap:10px;margin-top:8px}
.volume input[type=range]{width:180px}

.progress-row{
  display:grid; grid-template-columns: 46px 1fr 46px auto; gap:10px;
  align-items:center; margin:18px 6px 6px;
}
#seek{width:100%}
#seek, #volume{
  -webkit-appearance:none; appearance:none; height:8px; border-radius:999px; background:var(--muted);
}
#seek::-webkit-slider-thumb, #volume::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none; width:16px; height:16px; border-radius:50%; background:var(--accent);
  box-shadow:0 2px 6px rgba(0,0,0,.3);
}
.rate{opacity:.85;padding:4px 8px;border:1px solid var(--muted);border-radius:8px;cursor:default;}

.controls{display:flex;justify-content:center;gap:12px;margin:8px 0 16px}
.controls button{
  min-width:44px;height:44px;border-radius:10px;border:1px solid var(--muted);
  background:#fff; cursor:pointer; font-size:18px; box-shadow:0 3px 10px rgba(0,0,0,.06);
}
.controls .primary{background:var(--accent); color:#fff; border-color:transparent; font-weight:700}

.playlist{margin-top:8px;border:1px solid var(--muted);border-radius:12px;overflow:hidden}
.track{
  display:flex;align-items:center;gap:12px;padding:12px;border-bottom:1px solid var(--muted); cursor:pointer; background:#fff;
}
.track:last-child{border-bottom:0}
.track .thumb{width:44px;height:44px;border-radius:6px;object-fit:cover}
.track .t-title{font-weight:700}
.track .t-artist{color:var(--sub);font-size:14px;margin-top:2px}
.track.active{background:#e7efff}