/* ==========================================================================
   Album Modal — "The Listening Room"
   Surface card · artwork + tracklist + integrated player
   ========================================================================== */

/* Overlay */
.album-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              visibility var(--duration-slow);
}

.album-modal[hidden] {
  display: flex;
  pointer-events: none;
}

.album-modal--open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Backdrop — deep dark with blur */
.album-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: hsl(240 10% 3% / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ================================================================
   Container — THE visually distinct floating card
   ================================================================ */
.album-modal__container {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 960px;
  width: 90vw;
  height: min(80vh, 640px);
  overflow: hidden;
  z-index: 1;
  background-color: hsl(240 10% 8% / 0.55);
  backdrop-filter: blur(40px) saturate(1.3);
  -webkit-backdrop-filter: blur(40px) saturate(1.3);
  border: 1px solid hsl(240 8% 30% / 0.3);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 80px hsl(38 70% 55% / 0.07),
    0 24px 80px hsl(0 0% 0% / 0.6),
    0 8px 24px hsl(0 0% 0% / 0.4);
}

/* Close button */
.album-modal__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: hsl(240 8% 14% / 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid hsl(240 8% 30% / 0.25);
  color: var(--color-text);
  z-index: 10;
  transition: background-color var(--duration-fast),
              transform var(--duration-fast);
}

.album-modal__close:hover {
  background-color: var(--color-surface-raised);
  transform: scale(1.1);
}

/* ================================================================
   Content area — artwork + info side by side
   ================================================================ */
.album-modal__content {
  display: flex;
  gap: var(--space-xl);
  flex: 1;
  min-height: 0;
  padding: var(--space-lg);
  padding-bottom: var(--space-sm);
  overflow: hidden;
}

/* Artwork — pinned top-left */
.album-modal__artwork {
  flex-shrink: 0;
  width: clamp(180px, 24vw, 280px);
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  align-self: flex-start;
}

.album-modal__artwork img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Info column */
.album-modal__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.album-modal__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  padding-right: var(--space-2xl);
}

/* Description — 2-line clamp */
.album-modal__description {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.album-modal__meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

/* Tracklist — scrollable */
.album-modal__tracklist {
  display: flex;
  flex-direction: column;
  gap: 1px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  counter-reset: track;
  margin-top: var(--space-xs);
  scrollbar-width: thin;
  scrollbar-color: var(--color-surface-raised) transparent;
}

.album-modal__tracklist::-webkit-scrollbar { width: 4px; }
.album-modal__tracklist::-webkit-scrollbar-track { background: transparent; }
.album-modal__tracklist::-webkit-scrollbar-thumb {
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-pill);
}

/* Track items */
.track-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--duration-fast);
  counter-increment: track;
  flex-shrink: 0;
}

.track-item:hover {
  background-color: var(--color-surface-raised);
}

.track-item--playing {
  background-color: hsl(38 70% 55% / 0.1);
}

.track-item__number {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  width: 1.5rem;
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.track-item--playing .track-item__number {
  color: var(--color-accent);
}

/* Equalizer bars animation for playing track */
.track-item__eq {
  display: none;
  align-items: flex-end;
  gap: 2px;
  width: 1.5rem;
  height: 14px;
  flex-shrink: 0;
}

.track-item--playing .track-item__eq {
  display: flex;
}

.track-item--playing .track-item__number {
  display: none;
}

.track-item__eq-bar {
  width: 3px;
  background-color: var(--color-accent);
  border-radius: 1px;
  animation: eq-bounce 1.2s ease-in-out infinite;
}

.track-item__eq-bar:nth-child(1) { height: 40%; animation-delay: 0ms; }
.track-item__eq-bar:nth-child(2) { height: 70%; animation-delay: 150ms; }
.track-item__eq-bar:nth-child(3) { height: 50%; animation-delay: 300ms; }
.track-item__eq-bar:nth-child(4) { height: 80%; animation-delay: 100ms; }

@keyframes eq-bounce {
  0%, 100% { transform: scaleY(0.3); }
  50% { transform: scaleY(1); }
}

.track-item__title {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--duration-normal) ease;
}

.track-item--playing .track-item__title {
  color: var(--color-accent);
}

.track-item__duration {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}


/* ================================================================
   INTEGRATED PLAYER BAR
   Spotify-caliber controls docked at the bottom of the modal
   ================================================================ */

.album-modal__player {
  flex-shrink: 0;
  padding: 0 var(--space-lg) var(--space-md);
  background-color: hsl(240 8% 6% / 0.5);
  border-top: 1px solid hsl(240 8% 30% / 0.25);
}

/* ---- Progress bar ---- */
.album-modal__progress {
  position: relative;
  height: 24px;
  display: flex;
  align-items: center;
  cursor: pointer;
  margin-top: -4px;
}

/* Track background */
.album-modal__progress::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 3px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface-raised);
  transition: height var(--duration-fast);
}

.album-modal__progress:hover::before {
  height: 5px;
}

/* Fill (gold gradient) */
.album-modal__progress-fill {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  width: 0%;
  transition: width 100ms linear, height var(--duration-fast);
  pointer-events: none;
}

.album-modal__progress:hover .album-modal__progress-fill {
  height: 5px;
}

/* Scrubber thumb — appears on hover */
.album-modal__progress-fill::after {
  content: '';
  position: absolute;
  right: -7px;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px hsl(38 70% 55% / 0.4);
  transform: translateY(-50%) scale(0);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.album-modal__progress:hover .album-modal__progress-fill::after {
  transform: translateY(-50%) scale(1);
}

/* ---- Controls row ---- */
.album-modal__player-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-xs);
}

.album-modal__controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Generic control button */
.album-modal__ctrl {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast),
              transform var(--duration-fast);
  min-width: 36px;
  min-height: 36px;
}

.album-modal__ctrl:hover {
  color: var(--color-text);
  transform: scale(1.1);
}

/* Play/pause — hero button with gold gradient */
.album-modal__ctrl--play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-bg);
  box-shadow: 0 2px 16px hsl(38 70% 55% / 0.35);
  transition: transform var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast);
}

.album-modal__ctrl--play:hover {
  color: var(--color-bg);
  transform: scale(1.08);
  box-shadow: 0 4px 24px hsl(38 70% 55% / 0.45);
}

.album-modal__ctrl--play:active {
  transform: scale(0.96);
}

/* Playing state — pulsing glow */
.album-modal__ctrl--play.is-playing {
  animation: play-pulse 2s ease-in-out infinite;
}

@keyframes play-pulse {
  0%, 100% { box-shadow: 0 2px 16px hsl(38 70% 55% / 0.35); }
  50% { box-shadow: 0 2px 24px hsl(38 70% 55% / 0.6); }
}

/* Now-playing track name */
.album-modal__now-track {
  flex: 1;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Right side: time + volume */
.album-modal__player-end {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.album-modal__time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  min-width: 6em;
  text-align: center;
}

/* ---- Volume control ---- */
.album-modal__volume {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.album-modal__ctrl--vol {
  min-width: 32px;
  min-height: 32px;
}

.album-modal__volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-raised);
  outline: none;
  cursor: pointer;
}

.album-modal__volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--duration-fast);
}

.album-modal__volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
  border: none;
  cursor: pointer;
}

.album-modal__volume-slider:hover::-webkit-slider-thumb {
  background: var(--color-accent);
}

.album-modal__volume-slider:hover::-moz-range-thumb {
  background: var(--color-accent);
}


/* ================================================================
   MOBILE: bottom-sheet
   ================================================================ */
@media (max-width: 768px) {
  .album-modal {
    align-items: flex-end;
  }

  .album-modal__container {
    width: 100vw;
    max-width: 100vw;
    height: auto;
    max-height: 90vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -8px 40px hsl(0 0% 0% / 0.5);
  }

  .album-modal__close {
    top: var(--space-xs);
    right: var(--space-xs);
  }

  /* Content becomes compact header row */
  .album-modal__content {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm);
    padding-top: var(--space-lg);
    padding-bottom: 0;
    flex: 0 0 auto;
    overflow: visible;
  }

  .album-modal__artwork {
    width: 72px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
  }

  .album-modal__info {
    flex: 1 1 calc(100% - 88px);
    gap: 0.25rem;
    overflow: visible;
  }

  .album-modal__title {
    font-size: 1.25rem;
    padding-right: var(--space-xl);
  }

  .album-modal__description { display: none; }
  .album-modal .gold-divider { display: none; }
  .album-modal__meta { font-size: 0.75rem; }

  /* Tracklist fills space between header and player */
  .album-modal__tracklist {
    flex-basis: 100%;
    max-height: calc(90vh - 280px);
    margin-top: var(--space-xs);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-xs);
  }

  /* Mobile player bar */
  .album-modal__player {
    padding: 0 var(--space-md) var(--space-sm);
  }

  .album-modal__player-row {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem;
  }

  .album-modal__controls {
    width: 100%;
    justify-content: center;
    gap: var(--space-lg);
  }

  .album-modal__ctrl--play {
    width: 52px;
    height: 52px;
  }

  .album-modal__now-track { display: none; }
  .album-modal__volume { display: none; }

  .album-modal__player-end {
    width: 100%;
    justify-content: center;
  }
}


/* ================================================================
   Hide mini-player when modal is open
   ================================================================ */
.album-modal--open ~ .mini-player.mini-player--visible {
  transform: translateY(100%);
  pointer-events: none;
}