:root{
  --accent: #00f2ff;
  --glass: rgba(15, 23, 42, 0.70);
  --stroke: rgba(255,255,255,0.10);
  --muted: rgba(255,255,255,0.55);
}

html, body{
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  color: #fff;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#visualizerCanvas{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.player-ui{
  position: relative;
  z-index: 10;
  background: var(--glass);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  padding: 38px 34px;
  border-radius: 40px;
  border: 1px solid var(--stroke);
  text-align: center;
  width: min(320px, calc(100vw - 40px));
  box-shadow: 0 0 50px rgba(0,0,0,0.55);
}

.status-badge{
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 14px;
  color: rgba(255,255,255,0.9);
}

.info h1{
  font-size: 1.35rem;
  margin: 0;
  letter-spacing: 1px;
}

.info p{
  color: #8a8a8a;
  font-size: 0.82rem;
  margin: 7px 0 0 0;
}

.row{ display:flex; justify-content:center; }

.btn-play{
  width: 74px;
  height: 74px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  cursor: pointer;
  margin: 22px 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow .25s ease, filter .25s ease;
  box-shadow: 0 0 18px rgba(0,242,255,0.25);
}

.btn-play:hover{
  transform: scale(1.08);
  box-shadow: 0 0 28px rgba(0,242,255,0.60);
  filter: brightness(1.02);
}

.btn-play:active{ transform: scale(1.02); }

.btn-play svg{ width: 32px; height: 32px; fill: #000; }

.mini-controls{
  display:flex;
  justify-content:center;
  gap: 10px;
  margin: 6px 0 6px;
}

.btn-mini{
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
  border-radius: 14px;
  padding: 8px 10px;
  cursor:pointer;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}

.btn-mini:hover{ background: rgba(255,255,255,0.10); }
.btn-mini:active{ transform: translateY(1px); }

.vol-container{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-top: 16px;
  opacity: 0.75;
}

.vol-container small{ color: rgba(255,255,255,0.75); font-size: 11px; }

input[type="range"]{
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

.hint{
  margin-top: 14px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
}

@media (max-width: 420px){
  .player-ui{ padding: 30px 24px; border-radius: 32px; }
  .btn-play{ width: 70px; height: 70px; }
}