:root {
  --bg: #0f0f11;
  --panel: #17171b;
  --panel-soft: #1d1d23;
  --text: #f4f4f7;
  --muted: #9d9daa;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.06), transparent 28%), var(--bg);
  color: var(--text);
  font-family: "Manrope", sans-serif;
}

button,
audio {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(760px, calc(100% - 1.25rem));
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
}

.topbar,
.player-card,
.playlist-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
}

.topbar {
  padding: 1rem 1.25rem;
  text-align: center;
}

.topbar h1,
.track-meta h2 {
  margin: 0;
  font-family: "Syne", sans-serif;
  letter-spacing: -0.04em;
}

.topbar h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  text-transform: lowercase;
}

.player-card {
  margin-top: 1rem;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.record-visual {
  width: min(100%, 260px);
  aspect-ratio: 1;
  border-radius: 50%;
  position: relative;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.9) 0 5%, transparent 6%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.18) 0 16%, transparent 17%),
    repeating-radial-gradient(circle at center, #27272f 0 3px, #16161b 3px 9px, #0b0b0f 9px 12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.record-visual.spinning {
  animation: spin 7s linear infinite;
}

.record-center {
  position: absolute;
  inset: 42%;
  border-radius: 50%;
  background: #f4f4f7;
}

.track-meta {
  text-align: center;
}

.track-meta h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

.track-meta p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

#audio-player {
  width: 100%;
}

.transport {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.transport-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.9rem 1rem;
  background: var(--panel-soft);
  color: var(--text);
  font-weight: 700;
}

.transport-button.accent {
  background: var(--accent);
  color: #111114;
}

.playlist-card {
  margin-top: 1rem;
  padding: 1rem;
}

.playlist-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.playlist {
  display: grid;
  gap: 0.6rem;
}

.playlist:empty::before {
  content: "No songs yet";
  display: block;
  padding: 1rem;
  border-radius: 18px;
  background: var(--panel-soft);
  color: var(--muted);
  text-align: center;
}

.track-item {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 18px;
  background: var(--panel-soft);
  color: var(--text);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
  padding: 0.9rem 1rem;
  text-align: left;
}

.track-item.active {
  border-color: rgba(255, 255, 255, 0.16);
  background: #24242c;
}

.track-index {
  width: 2rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.track-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 0.8rem, 100%);
    padding-top: 0.7rem;
  }

  .topbar,
  .player-card,
  .playlist-card {
    border-radius: 22px;
  }
}