/* ============================================================
   SOUNDTRACK+  (archivo: css/pages/soundtrack-plus.css)
   Va después de soundtrack.css. Variables en directo que pone
   soundtrack-plus.js en :root:
     --sp-beat        0–1, energía de graves (pulso)
     --sp-b1..--sp-b4 0–1, cuatro bandas para los ecualizadores
   ============================================================ */
:root {
  --sp-ink: var(--ink, #08090c);
  --sp-beat: 0;
  --sp-b1: .2; --sp-b2: .2; --sp-b3: .2; --sp-b4: .2;
}

/* ── Acabado "tinta" coherente con el resto de la web ── */
#soundtrack-albums-header,
.soundtrack-album-row,
#soundtrack-songlist-panel,
#soundtrack-player-panel {
  border: 4px solid var(--sp-ink);
  box-shadow: 0 7px 0 var(--sp-ink);
}
#soundtrack-albums-header { background: linear-gradient(180deg, #1e2430, #12161f); border-radius: 18px; }
#btn-soundtrack-back {
  font-family: 'Fredoka One', cursive;
  background: linear-gradient(180deg, #2b3241, #171c26);
  border: 3px solid var(--sp-ink);
  box-shadow: 0 4px 0 var(--sp-ink);
  transition: transform .12s cubic-bezier(.34,1.56,.64,1), box-shadow .12s, color .15s;
}
#btn-soundtrack-back:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--sp-ink); }

/* ── Ecualizador reutilizable (4 barras) ── */
.sp-eq {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  width: 16px;
  height: 14px;
  vertical-align: middle;
}
.sp-eq i {
  flex: 1;
  height: 100%;
  background: var(--yellow-bright, #FFD700);
  border-radius: 1px;
  transform-origin: bottom;
  transform: scaleY(.2);
}
/* con análisis real: siguen a la música */
body.sp-live .sp-eq i:nth-child(1) { transform: scaleY(var(--sp-b1)); }
body.sp-live .sp-eq i:nth-child(2) { transform: scaleY(var(--sp-b2)); }
body.sp-live .sp-eq i:nth-child(3) { transform: scaleY(var(--sp-b3)); }
body.sp-live .sp-eq i:nth-child(4) { transform: scaleY(var(--sp-b4)); }
/* sin análisis pero sonando: animación de reserva */
body.sp-playing:not(.sp-live) .sp-eq i { animation: spEqFake .9s ease-in-out infinite alternate; }
body.sp-playing:not(.sp-live) .sp-eq i:nth-child(2) { animation-delay: -.3s; }
body.sp-playing:not(.sp-live) .sp-eq i:nth-child(3) { animation-delay: -.6s; }
body.sp-playing:not(.sp-live) .sp-eq i:nth-child(4) { animation-delay: -.15s; }
@keyframes spEqFake { from { transform: scaleY(.2); } to { transform: scaleY(.95); } }

/* ════════════════════════════════════════════════════════════
   LISTA DE ÁLBUMES
   ════════════════════════════════════════════════════════════ */
#soundtrack-albums-header { flex-wrap: wrap; }
#sp-header-stats {
  margin-left: auto;
  display: flex;
  gap: 14px;
  font-size: .82rem;
  color: #aab2c5;
}
#sp-header-stats b {
  font-family: 'Fredoka One', cursive;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--yellow-bright, #FFD700);
  margin-right: 3px;
}

/* Sonando ahora */
#sp-nowplaying {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  padding: 10px 12px;
  background:
    repeating-linear-gradient(-45deg, rgba(0,0,0,.12) 0 10px, transparent 10px 20px),
    linear-gradient(180deg, #ffe45c, #f0b800);
  border: 4px solid var(--sp-ink);
  border-radius: 16px;
  box-shadow: 0 6px 0 var(--sp-ink);
  animation: spDrop .45s cubic-bezier(.2,1.5,.4,1);
}
#sp-nowplaying[hidden] { display: none; }
@keyframes spDrop { from { opacity: 0; transform: translateY(-10px) scale(.97); } }
#sp-np-cover {
  width: 54px; height: 54px;
  object-fit: cover;
  border: 3px solid var(--sp-ink);
  border-radius: 10px;
  background: #222;
  transform: scale(calc(1 + var(--sp-beat) * .08)) rotate(-3deg);
}
#sp-np-text { flex: 1; min-width: 0; display: flex; flex-direction: column; color: #1a1200; }
#sp-np-label { display: inline-flex; align-items: center; gap: 7px; font-family: 'Fredoka One', cursive; font-size: .72rem; opacity: .75; }
#sp-np-label .sp-eq i { background: var(--sp-ink); }
#sp-np-name {
  font-family: 'Fredoka One', cursive;
  font-size: 1.08rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#sp-np-album { font-size: .78rem; font-weight: 600; opacity: .7; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sp-nowplaying.paused #sp-np-label .sp-eq i { animation: none; transform: scaleY(.2); }
#sp-np-toggle, #sp-np-open {
  flex-shrink: 0;
  font-family: 'Fredoka One', cursive;
  cursor: pointer;
  border: 3px solid var(--sp-ink);
  box-shadow: 0 4px 0 var(--sp-ink);
  transition: transform .12s cubic-bezier(.34,1.56,.64,1), box-shadow .12s;
}
#sp-np-toggle { width: 42px; height: 42px; border-radius: 50%; background: #fff; font-size: 1rem; }
#sp-np-open { padding: 9px 16px; border-radius: 12px; background: #171c26; color: #fff; font-size: .9rem; }
#sp-np-toggle:hover, #sp-np-open:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--sp-ink); }
#sp-np-toggle:active, #sp-np-open:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--sp-ink); }

/* Filas de álbum */
.soundtrack-album-row {
  position: relative;
  background: linear-gradient(180deg, #1e2430, #151a23);
  border-radius: 16px;
  animation: spRowIn .4s cubic-bezier(.2,1.3,.4,1) both;
  animation-delay: calc(var(--sp-i, 0) * .035s);
  transition: transform .15s cubic-bezier(.34,1.56,.64,1), box-shadow .15s, background .2s;
}
@keyframes spRowIn { from { opacity: 0; transform: translateX(-16px); } }
.soundtrack-album-row:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 0 var(--sp-ink);
  border-color: var(--sp-ink);
  background: linear-gradient(180deg, #262d3b, #181e28);
}
.soundtrack-album-row:active { transform: translateY(3px); box-shadow: 0 3px 0 var(--sp-ink); }

.sp-cover-stack { position: relative; flex-shrink: 0; width: 56px; height: 56px; }
.sp-cover-stack .soundtrack-album-cover { position: relative; z-index: 1; border: 3px solid var(--sp-ink); }
.sp-vinyl {
  position: absolute;
  top: 3px; left: 3px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--yellow-bright, #FFD700) 0 16%, #111 17% 21%, transparent 22%),
    repeating-radial-gradient(circle, #1a1a1a 0 2px, #0b0b0b 2px 4px);
  border: 2px solid var(--sp-ink);
  transition: transform .45s cubic-bezier(.2,1.2,.3,1);
}
.soundtrack-album-row:hover .sp-vinyl { transform: translateX(26px) rotate(120deg); }
.soundtrack-album-row.sp-album-now .sp-vinyl { transform: translateX(26px); animation: spSpin 3s linear infinite; }
body:not(.sp-playing) .soundtrack-album-row.sp-album-now .sp-vinyl { animation-play-state: paused; }
@keyframes spSpin { from { transform: translateX(26px) rotate(0); } to { transform: translateX(26px) rotate(360deg); } }
.soundtrack-album-info { padding-left: 24px; transition: padding .3s; }

.sp-album-actions {
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .18s, transform .25s cubic-bezier(.34,1.56,.64,1);
}
.soundtrack-album-row:hover .sp-album-actions,
.soundtrack-album-row:focus-within .sp-album-actions { opacity: 1; transform: none; }
@media (hover: none) { .sp-album-actions { opacity: 1; transform: none; } }
.sp-album-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(180deg, #2b3241, #171c26);
  border: 3px solid var(--sp-ink);
  border-radius: 50%;
  box-shadow: 0 3px 0 var(--sp-ink);
  transition: transform .12s cubic-bezier(.34,1.56,.64,1);
}
.sp-album-btn:hover { transform: translateY(-2px) scale(1.06); }
.sp-album-btn:active { transform: translateY(2px); }
.sp-album-play { color: #1a1200; background: linear-gradient(180deg, #FFD700, #C89A00); }
.sp-album-eq { display: none; }
.soundtrack-album-row.sp-album-now .sp-album-eq { display: inline-flex; }
.soundtrack-album-row.sp-album-now { border-color: var(--yellow-bright, #FFD700); }
.soundtrack-album-row.sp-album-now .soundtrack-album-name { color: var(--yellow-bright, #FFD700); }

/* ════════════════════════════════════════════════════════════
   REPRODUCTOR
   ════════════════════════════════════════════════════════════ */
#soundtrack-songlist-panel { background: #151a23; }
#soundtrack-player-panel { background: #12161f; isolation: isolate; }
#sp-ambient {
  position: absolute;
  inset: -50px;
  z-index: -1;
  pointer-events: none;
  background: center / cover no-repeat;
  filter: blur(46px) saturate(1.5);
  opacity: calc(.22 + var(--sp-beat) * .18);
  transition: background-image .4s;
}

/* Carátula que late con los graves */
#soundtrack-cover-wrap {
  cursor: pointer;
  border: 4px solid var(--sp-ink);
  box-shadow:
    0 7px 0 var(--sp-ink),
    0 0 calc(8px + var(--sp-beat) * 46px) rgba(255, 215, 0, calc(.15 + var(--sp-beat) * .6));
  transform: scale(calc(1 + var(--sp-beat) * .045)) rotate(calc(var(--sp-beat) * -1.2deg));
  transition: transform .06s linear;
}
#soundtrack-cover-wrap.sp-in-next { animation: spCoverNext .45s cubic-bezier(.2,1.3,.4,1); }
#soundtrack-cover-wrap.sp-in-prev { animation: spCoverPrev .45s cubic-bezier(.2,1.3,.4,1); }
#soundtrack-cover-wrap.sp-in-pop  { animation: spCoverPop  .45s cubic-bezier(.2,1.6,.4,1); }
@keyframes spCoverNext { from { opacity: 0; transform: translateX(60px) rotate(8deg) scale(.9); } }
@keyframes spCoverPrev { from { opacity: 0; transform: translateX(-60px) rotate(-8deg) scale(.9); } }
@keyframes spCoverPop  { from { opacity: 0; transform: scale(.7) rotate(-6deg); } }

/* Nombre: marquesina si no cabe */
#soundtrack-track-name { width: 100%; }
#soundtrack-track-name .sp-marq { display: inline-block; }
#soundtrack-track-name.sp-marquee { text-overflow: clip; text-align: left; }
#soundtrack-track-name.sp-marquee .sp-marq { animation: spMarq var(--sp-dur, 7s) ease-in-out 1s infinite alternate; }
@keyframes spMarq { 0%, 12% { transform: translateX(0); } 88%, 100% { transform: translateX(var(--sp-shift, 0)); } }
#soundtrack-track-name.sp-in-next, #soundtrack-track-name.sp-in-prev, #soundtrack-track-name.sp-in-pop {
  animation: spNameIn .35s ease-out;
}
@keyframes spNameIn { from { opacity: 0; transform: translateY(8px); } }

/* A continuación */
#sp-upnext {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  margin-top: -6px;
  padding: 4px 12px 4px 4px;
  font: inherit;
  color: #cfd6e4;
  cursor: pointer;
  background: rgba(10, 13, 18, .6);
  border: 2px solid #2b3241;
  border-radius: 999px;
  transition: border-color .15s, transform .15s;
}
#sp-upnext[hidden] { display: none; }
#sp-upnext:hover { border-color: var(--yellow-bright, #FFD700); transform: translateY(-1px); }
.sp-upnext-label {
  flex-shrink: 0;
  padding: 2px 9px;
  font-family: 'Fredoka One', cursive;
  font-size: .7rem;
  color: #1a1200;
  background: var(--yellow-bright, #FFD700);
  border: 2px solid var(--sp-ink);
  border-radius: 999px;
}
#sp-upnext-name { font-size: .82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Botones: el de play late un poco con la música */
#soundtrack-btn-playpause { border: 3px solid var(--sp-ink); box-shadow: 0 4px 0 var(--sp-ink); }
#soundtrack-btn-playpause.sp-is-playing { transform: scale(calc(1 + var(--sp-beat) * .08)); }
#sp-btn-repeat {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  cursor: pointer;
  opacity: .7;
  color: var(--text-yellow, #FFD700);
  background: var(--bg-card-inner, #1b212c);
  border: 2px solid var(--yellow-dark, #C89A00);
  border-radius: 50%;
  transition: transform .15s ease, background .15s, box-shadow .15s, opacity .15s;
}
#sp-btn-repeat:hover { transform: scale(1.08); opacity: 1; }
#sp-btn-repeat.active {
  opacity: 1;
  background: var(--yellow-bright, #FFD700);
  border-color: var(--sp-ink);
  box-shadow: 0 0 10px rgba(255,215,0,.55);
}

/* Atajos */
#sp-keys {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-top: -4px;
  font-size: .7rem;
  color: #6c7488;
}
#sp-keys kbd {
  display: inline-block;
  min-width: 18px;
  margin: 0 1px;
  padding: 0 5px;
  font-family: 'Fredoka One', cursive;
  font-size: .66rem;
  text-align: center;
  color: #cfd6e4;
  background: #1b212c;
  border: 2px solid #2b3241;
  border-bottom-width: 3px;
  border-radius: 5px;
}
@media (hover: none) { #sp-keys { display: none; } }

/* Búsqueda en la lista */
#sp-search-wrap { padding: 8px 8px 0; flex-shrink: 0; }
#sp-search-wrap[hidden] { display: none; }
#sp-search {
  width: 100%;
  padding: 8px 12px;
  font-family: 'Fredoka', sans-serif;
  font-size: .88rem;
  color: #fff;
  background: #0a0d12;
  border: 3px solid var(--sp-ink);
  border-radius: 10px;
  outline: none;
}
#sp-search:focus { border-color: var(--yellow-dark, #C89A00); }
#sp-search-empty { padding: 20px; text-align: center; font-size: .85rem; color: #6c7488; }

/* Filas de canción */
.soundtrack-song-row { animation: spRowIn .3s ease-out both; animation-delay: calc(var(--sp-i, 0) * .02s); }
.soundtrack-song-row.active { border-color: var(--yellow-bright, #FFD700); box-shadow: 0 3px 0 var(--sp-ink); }
.soundtrack-song-playicon .sp-eq { display: none; }
.soundtrack-song-row.sp-now .soundtrack-song-playicon { font-size: 0; }
.soundtrack-song-row.sp-now .soundtrack-song-playicon .sp-eq { display: inline-flex; }
.soundtrack-song-row.sp-now .soundtrack-song-index { color: transparent; position: relative; }
.soundtrack-song-row.sp-now .soundtrack-song-index::after {
  content: '▶';
  position: absolute; inset: 0;
  color: var(--yellow-bright, #FFD700);
  font-size: .7rem;
}

/* Accesibilidad y responsive */
.sp-album-btn:focus-visible, #sp-np-toggle:focus-visible, #sp-np-open:focus-visible,
#sp-upnext:focus-visible, #sp-btn-repeat:focus-visible {
  outline: 3px solid var(--yellow-bright, #FFD700);
  outline-offset: 3px;
}
#soundtrack-controls-row { flex-wrap: wrap; row-gap: 12px; }
#soundtrack-controls-row > button { flex-shrink: 0; }
@media (max-width: 640px) {
  #soundtrack-volume-wrap { width: 100%; justify-content: center; margin-left: 0; padding-left: 0; border-left: none; }
  #sp-header-stats { margin-left: 0; width: 100%; }
  #sp-nowplaying { flex-wrap: wrap; }
  #sp-np-open { width: 100%; }
  .sp-album-btn { width: 34px; height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .soundtrack-album-row, .soundtrack-song-row, #sp-nowplaying,
  #soundtrack-cover-wrap.sp-in-next, #soundtrack-cover-wrap.sp-in-prev, #soundtrack-cover-wrap.sp-in-pop,
  .soundtrack-album-row.sp-album-now .sp-vinyl, body.sp-playing:not(.sp-live) .sp-eq i { animation: none !important; }
  #soundtrack-cover-wrap, #sp-np-cover { transform: none !important; }
}