/* Страницы трека и артиста + состояния загрузки обложек.
   Всё на тех же токенах Material You, что и остальное приложение. */

/* ---------------- обложки ---------------- */

img.is-art-retry {
  background:
    linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.08) 40%, transparent 60%)
      var(--surface-container-high);
  background-size: 220% 100%;
  animation: artShimmer 1.1s linear infinite;
}

img.is-art-ready {
  animation: artIn 260ms var(--ease) both;
}

@keyframes artShimmer {
  from { background-position: 140% 0; }
  to { background-position: -40% 0; }
}

@keyframes artIn {
  from { opacity: 0; transform: scale(0.985); }
  to { opacity: 1; transform: none; }
}

/* ---------------- общее для страниц ---------------- */

.page {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 32px;
}

.page__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  height: 36px;
  padding: 0 14px 0 10px;
  border: 0;
  border-radius: var(--r-full);
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page__back:hover {
  background: var(--surface-container-highest);
  color: var(--on-surface);
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background: var(--surface-container);
  padding: 28px;
}

.hero-card__glow {
  position: absolute;
  inset: -55% -20% auto -20%;
  height: 420px;
  background: radial-gradient(
    58% 58% at 26% 24%,
    color-mix(in oklab, var(--primary) 42%, transparent),
    transparent 72%
  );
  filter: blur(58px);
  opacity: 0.6;
  pointer-events: none;
  animation: heroGlow 14s var(--ease) infinite alternate;
}

@keyframes heroGlow {
  from { transform: translate3d(-2%, -2%, 0) scale(1); }
  to { transform: translate3d(4%, 3%, 0) scale(1.08); }
}

/* ---------------- страница трека ---------------- */

.tpg__hero {
  display: grid;
  grid-template-columns: minmax(180px, 264px) 1fr;
  gap: 28px;
  align-items: end;
}

.tpg__cover {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-container-high);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
  animation: coverIn 520ms var(--ease) both;
}

.tpg__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@keyframes coverIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

.tpg__info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.tpg__kicker {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.tpg__title {
  margin: 0;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  overflow-wrap: anywhere;
}

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

.artist-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 4px 12px 4px 4px;
  border-radius: var(--r-full);
  background: var(--surface-container-high);
  color: var(--on-surface);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.artist-link:hover {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.artist-link:active { transform: scale(0.97); }

.artist-link img {
  width: 28px;
  height: 28px;
  border-radius: var(--r-full);
  object-fit: cover;
  background: var(--surface-container-highest);
}

.tpg__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--on-surface-variant);
  font-size: 13px;
}

.tpg__dot { opacity: 0.5; }

.tpg__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

/* ---------------- лирика ---------------- */

.lyrics {
  border-radius: var(--r-xl);
  background: var(--surface-container-low);
  padding: 24px 28px 28px;
}

.lyrics__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.lyrics__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--on-surface);
}

.lyrics__badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--r-full);
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-size: 12px;
}

.lyrics__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 460px;
  overflow: auto;
  scrollbar-width: none;
  mask-image: linear-gradient(to bottom, transparent 0, #000 26px, #000 calc(100% - 26px), transparent 100%);
}

.lyrics__body::-webkit-scrollbar { width: 0; }

.lyrics__line {
  margin: 0;
  padding: 7px 12px;
  border-radius: var(--r-sm);
  font-size: 19px;
  line-height: 1.45;
  font-weight: 500;
  color: var(--on-surface-variant);
  opacity: 0.55;
  transform-origin: left center;
  transition:
    color var(--dur) var(--ease),
    opacity var(--dur) var(--ease),
    transform 320ms cubic-bezier(0.2, 1.4, 0.35, 1),
    background var(--dur) var(--ease);
  animation: lyricIn 420ms var(--ease) both;
  animation-delay: var(--d, 0ms);
}

.lyrics--synced .lyrics__line { cursor: pointer; }

.lyrics__line.is-past { opacity: 0.32; }

.lyrics__line.is-active {
  color: var(--on-surface);
  opacity: 1;
  transform: scale(1.035);
  background: color-mix(in oklab, var(--primary) 16%, transparent);
}

.lyrics__line.is-empty { min-height: 8px; }

@keyframes lyricIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 0.55; transform: none; }
}

.lyrics__none {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--on-surface-variant);
  font-size: 14px;
}

/* ---------------- страница артиста ---------------- */

.apg__hero {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  align-items: center;
}

.apg__av {
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: var(--r-full);
  overflow: hidden;
  background: var(--surface-container-high);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
  animation: coverIn 520ms var(--ease) both;
}

.apg__av img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.apg__info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.apg__name {
  margin: 0;
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: 1.04;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  overflow-wrap: anywhere;
}

.apg__row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.apg__stats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--on-surface-variant);
  font-size: 13px;
}

.apg__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 0 9px;
  border-radius: var(--r-full);
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-size: 12px;
}

.apg__bio {
  margin: 0;
  max-width: 900px;
  color: var(--on-surface-variant);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.apg__bio.is-clamped {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.apg__more {
  align-self: flex-start;
  border: 0;
  background: none;
  padding: 0;
  color: var(--primary);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

/* Кликабельное имя артиста в строках и плеере */
.track__artist[data-artist],
[data-artist].is-link {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.track__artist[data-artist]:hover,
[data-artist].is-link:hover {
  color: var(--on-surface);
  text-decoration-color: currentColor;
}

/* ---------------- адаптив ---------------- */

@media (max-width: 900px) {
  .hero-card { padding: 20px; }

  .tpg__hero {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .tpg__cover { width: min(280px, 72vw); }
  .tpg__info { align-items: center; }
  .tpg__actions { justify-content: center; }

  .apg__hero {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .apg__info { align-items: center; }
  .lyrics { padding: 18px; }
  .lyrics__line { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-card__glow,
  .tpg__cover,
  .apg__av,
  .lyrics__line,
  img.is-art-ready,
  img.is-art-retry {
    animation: none !important;
  }

  .lyrics__line { opacity: 0.6; }
  .lyrics__line.is-active { transform: none; opacity: 1; }
}