/* MUSIC page balanced layout */
:root {
  --music-bg: #0b0d10;
  --music-text: #e9f2ff;
  --music-muted: rgba(233, 242, 255, 0.72);
  --music-accent: #ff3bd4;
  --music-card-bg: rgba(11, 13, 18, 0.92);
  --music-card-outline: rgba(255, 255, 255, 0.06);
  --music-card-hover-outline: rgba(255, 255, 255, 0.14);
}

.music-root {
  position: relative;
  padding: 56px 0 120px;
}

.music-inner {
  position: relative;
  z-index: 0;
  width: min(880px, calc(100% - 48px));
  margin: 0 0 0 clamp(300px, 25vw, 360px);
  padding-bottom: 32px;
}

.music-inner > * {
  position: relative;
  z-index: 1;
}

.music-label {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--music-muted);
}

.tracklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.track {
  --track-accent: var(--music-accent);
  --track-accent-soft: rgba(255, 59, 212, 0.22);
  --track-accent-strong: rgba(255, 59, 212, 0.42);
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 26px;
  border-radius: 16px;
  background: var(--music-card-bg);
  outline: 1px solid var(--music-card-outline);
  overflow: hidden;
  transition: outline-color 0.18s ease, transform 0.18s ease;
}

.track::before,
.track::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.track::before {
  background: radial-gradient(circle at 18% 58%, var(--track-accent-soft), transparent 62%);
  z-index: 0;
  filter: saturate(115%);
}

.track::after {
  background: linear-gradient(135deg, transparent, var(--track-accent-soft));
  z-index: 0;
  mix-blend-mode: screen;
}

.track:hover {
  outline-color: var(--music-card-hover-outline);
  transform: translateY(-2px);
}

.track.is-playing {
  outline-color: var(--track-accent-strong);
  box-shadow: 0 12px 36px rgba(8, 12, 20, 0.55);
}

.track.is-playing::before,
.track.is-playing::after {
  opacity: 1;
}

.track > * {
  position: relative;
  z-index: 1;
}

.track__visual {
  display: grid;
  grid-template-rows: auto auto auto;
  justify-items: center;
  align-content: center;
  gap: 14px;
  padding: 6px 0;
}

.track__pulse {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  width: 48px;
  height: 16px;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.22s ease;
}

.track__pulse span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: var(--track-accent);
  opacity: 0.7;
  animation: trackPulse 1.1s ease-in-out infinite;
  animation-play-state: paused;
}

.track__pulse span:nth-child(2) { animation-delay: 0.1s; }
.track__pulse span:nth-child(3) { animation-delay: 0.18s; }
.track__pulse span:nth-child(4) { animation-delay: 0.26s; }

.track.is-playing .track__pulse {
  opacity: 1;
}

.track.is-playing .track__pulse span {
  animation-play-state: running;
}

.music-platforms {
  margin-top: 48px;
  padding: 32px 28px;
  border-radius: 18px;
  background: rgba(11, 13, 18, 0.72);
  outline: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  display: grid;
  gap: 20px;
}

.music-platforms__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--music-muted);
}

.music-platforms__hint {
  margin: 0;
  color: var(--music-muted);
  font-size: 14px;
  line-height: 1.5;
}

.music-platforms__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.music-platform {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(12, 15, 20, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--music-text);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.music-platform:hover,
.music-platform:focus-visible {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(12, 15, 20, 0.96);
  transform: translateY(-2px);
  outline: none;
}

.music-platform__icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  fill: currentColor;
  opacity: 0.85;
}

.music-platform__label {
  font-size: 15px;
  letter-spacing: 0.04em;
}

.music-platforms__note {
  margin: 0;
  font-size: 12px;
  color: rgba(233, 242, 255, 0.46);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .music-platforms {
    margin-top: 36px;
    padding: 28px 22px;
  }
}

.track__index {
  font-size: 13px;
  letter-spacing: 0.32em;
  color: rgba(233, 242, 255, 0.58);
}

.track__play {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(7, 8, 9, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--music-text);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.track__play::before {
  content: "▶";
  font-size: 20px;
  line-height: 1;
  margin-left: 4px;
}

.track.is-playing .track__play::before {
  content: "❚❚";
  font-size: 17px;
  margin-left: 0;
  letter-spacing: 2px;
}

.track__play:hover {
  border-color: var(--track-accent-strong);
  box-shadow: 0 0 0 6px var(--track-accent-soft);
  transform: translateY(-1px);
}

.track.is-playing .track__play {
  border-color: var(--track-accent-strong);
  box-shadow: 0 0 16px var(--track-accent-soft);
}

.track__play:focus-visible {
  outline: 2px solid var(--track-accent-strong);
  outline-offset: 4px;
}

.track__body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.track__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.track__titles {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.track__title {
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--music-text);
  font-size: clamp(18px, 1.9vw, 22px);
}

.track__tagline {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(233, 242, 255, 0.55);
}

.track__time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: rgba(233, 242, 255, 0.82);
}

.track__time-divider {
  opacity: 0.6;
}

.track__seek {
  --p: 0%;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--track-accent) var(--p), rgba(255, 255, 255, 0.16) 0);
  outline: none;
}

.track__seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--track-accent);
  margin-top: -3px;
  box-shadow: 0 0 0 4px var(--track-accent-soft);
}

.track__seek::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--track-accent);
  box-shadow: 0 0 0 4px var(--track-accent-soft);
}

.track__seek::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.track__seek:focus-visible {
  outline: 2px solid var(--track-accent-strong);
  outline-offset: 4px;
}

.track__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.track__meta {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(233, 242, 255, 0.58);
}

.track__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.track__action {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--music-text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.18s ease;
}

.track__action svg {
  display: block;
}

.track__action:hover,
.track__action:focus-visible {
  border-color: var(--track-accent-strong);
  box-shadow: 0 0 0 4px var(--track-accent-soft);
  transform: translateY(-1px);
}

.track__action:focus-visible {
  outline: none;
}

.track__action[data-feedback]:not([data-feedback=""])::after {
  content: attr(data-feedback);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(7, 8, 9, 0.92);
  border: 1px solid var(--track-accent-strong);
  color: var(--music-text);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes trackPulse {
  0%, 100% {
    transform: scaleY(0.4);
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@media (max-width: 820px) {
  .track {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px;
  }

  .track__visual {
    grid-template-columns: auto auto;
    grid-template-rows: auto;
    justify-content: flex-start;
    gap: 16px;
    margin-bottom: 12px;
  }

  .track__pulse {
    order: 3;
    justify-self: flex-start;
  }

  .track__body {
    gap: 16px;
  }

  .track__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .track__time {
    font-size: 11px;
    padding-top: 2px;
  }

  .track__footer {
    gap: 12px;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 960px) {
  .music-inner {
    margin: 0 auto;
    width: calc(100% - 48px);
  }

  .music-inner::before {
    left: 24px;
    bottom: 48px;
    width: clamp(360px, 80vw, 640px);
  }
}