/* =========================================================
   Mizunara Studio
   Music Component
   css/components/music.css
   Version 1.0
========================================================= */

/* =========================================================
   VARIABLES DEL COMPONENTE
========================================================= */

.music-player {
  --music-accent: var(--color-accent, #c8a46b);
  --music-text: var(--color-text, #3d3442);
  --music-muted: rgba(61, 52, 66, 0.65);

  --music-surface: rgba(255, 255, 255, 0.72);
  --music-surface-strong: rgba(255, 255, 255, 0.9);
  --music-border: rgba(255, 255, 255, 0.72);

  --music-shadow:
    0 18px 45px rgba(37, 28, 42, 0.16),
    0 4px 14px rgba(37, 28, 42, 0.08);

  --music-blur: 18px;
  --music-radius: 22px;

  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));

  z-index: 900;

  display: flex;
  align-items: center;
  justify-content: flex-end;

  color: var(--music-text);

  font-family: inherit;

  pointer-events: none;
}

/* =========================================================
   RESET LOCAL
========================================================= */

.music-player *,
.music-player *::before,
.music-player *::after {
  box-sizing: border-box;
}

.music-player button {
  margin: 0;
  padding: 0;

  border: 0;
  outline: 0;

  color: inherit;
  font: inherit;

  background: none;

  cursor: pointer;

  -webkit-tap-highlight-color: transparent;
}

.music-player button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.music-player svg {
  display: block;

  width: 100%;
  height: 100%;

  pointer-events: none;
}

/* =========================================================
   AUDIO
========================================================= */

.music-player__audio {
  display: none;
}

/* =========================================================
   BOTÓN COMPACTO
========================================================= */

.music-player__compact {
  position: relative;

  display: grid;
  grid-template-columns: 38px auto;
  align-items: center;
  gap: 9px;

  min-width: 62px;
  height: 62px;
  padding: 10px 13px 10px 11px;

  overflow: hidden;

  border: 1px solid var(--music-border) !important;
  border-radius: 999px;

  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.88),
      rgba(255, 255, 255, 0.56)
    );

  box-shadow: var(--music-shadow);

  backdrop-filter: blur(var(--music-blur));
  -webkit-backdrop-filter: blur(var(--music-blur));

  pointer-events: auto;

  transition:
    transform 240ms ease,
    opacity 220ms ease,
    box-shadow 240ms ease,
    visibility 220ms ease;
}

.music-player__compact::before {
  content: "";

  position: absolute;
  inset: 0;

  border-radius: inherit;

  background:
    linear-gradient(
      120deg,
      transparent 10%,
      rgba(255, 255, 255, 0.58) 45%,
      transparent 75%
    );

  transform: translateX(-120%);
  opacity: 0;

  pointer-events: none;
}

.music-player__compact:hover {
  transform: translateY(-3px);

  box-shadow:
    0 22px 50px rgba(37, 28, 42, 0.19),
    0 6px 16px rgba(37, 28, 42, 0.1);
}

.music-player__compact:hover::before {
  opacity: 1;

  animation: music-shine 900ms ease;
}

.music-player__compact:active {
  transform: translateY(-1px) scale(0.97);
}

.music-player__compact:focus-visible {
  box-shadow:
    0 0 0 4px rgba(200, 164, 107, 0.2),
    var(--music-shadow);
}

/* =========================================================
   DISCO / ICONO COMPACTO
========================================================= */

.music-player__disc {
  position: relative;

  display: grid;
  place-items: center;

  width: 38px;
  height: 38px;

  flex-shrink: 0;

  border: 1px solid rgba(200, 164, 107, 0.28);
  border-radius: 50%;

  color: var(--music-accent);

  background:
    radial-gradient(
      circle at center,
      rgba(255, 255, 255, 0.96) 0 18%,
      rgba(200, 164, 107, 0.24) 19% 25%,
      rgba(255, 255, 255, 0.42) 26% 43%,
      rgba(200, 164, 107, 0.16) 44% 46%,
      rgba(255, 255, 255, 0.22) 47% 100%
    );

  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.78),
    0 4px 12px rgba(83, 62, 34, 0.13);
}

.music-player__disc svg {
  width: 19px;
  height: 19px;
}

/* =========================================================
   ECUALIZADOR COMPACTO
========================================================= */

.music-player__compact-bars,
.music-player__equalizer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.music-player__compact-bars {
  width: 14px;
  height: 23px;

  opacity: 0.82;
}

.music-player__bar {
  display: block;

  width: 2px;
  height: 7px;

  border-radius: 999px;

  background: var(--music-accent);

  transform-origin: center bottom;

  animation: none;
}

/* =========================================================
   PANEL EXPANDIDO
========================================================= */

.music-player__panel {
  position: absolute;
  right: 0;
  bottom: 0;

  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;

  width: min(360px, calc(100vw - 36px));
  min-height: 82px;
  padding: 11px 12px 11px 11px;

  border: 1px solid var(--music-border);
  border-radius: var(--music-radius);

  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.9),
      rgba(255, 255, 255, 0.62)
    );

  box-shadow: var(--music-shadow);

  backdrop-filter: blur(var(--music-blur));
  -webkit-backdrop-filter: blur(var(--music-blur));

  transform:
    translateY(12px)
    scale(0.94);

  transform-origin: right bottom;

  opacity: 0;
  visibility: hidden;

  pointer-events: none;

  transition:
    opacity 230ms ease,
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 230ms ease;
}

.music-player__panel::before {
  content: "";

  position: absolute;
  inset: 1px;

  border-radius: calc(var(--music-radius) - 2px);

  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.34),
      transparent 48%
    );

  pointer-events: none;
}

/* =========================================================
   DECORACIÓN DEL PANEL
========================================================= */

.music-player__decoration {
  position: relative;
  z-index: 1;

  display: grid;
  place-items: center;

  width: 56px;
  height: 56px;

  flex-shrink: 0;
}

.music-player__album {
  display: grid;
  place-items: center;

  width: 54px;
  height: 54px;

  border: 1px solid rgba(200, 164, 107, 0.28);
  border-radius: 17px;

  color: var(--music-accent);

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.96),
      rgba(232, 215, 188, 0.62)
    );

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 8px 20px rgba(90, 66, 34, 0.14);

  transition: transform 280ms ease;
}

.music-player__album svg {
  width: 25px;
  height: 25px;
}

.music-player__equalizer {
  position: absolute;
  right: -3px;
  bottom: -2px;

  width: 26px;
  height: 23px;
  padding: 4px;

  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 9px;

  background: var(--music-surface-strong);

  box-shadow: 0 4px 12px rgba(37, 28, 42, 0.12);
}

.music-player__equalizer .music-player__bar {
  width: 2px;
  height: 8px;
}

/* =========================================================
   INFORMACIÓN DE CANCIÓN
========================================================= */

.music-player__information {
  position: relative;
  z-index: 1;

  min-width: 0;
}

.music-player__title,
.music-player__artist {
  margin: 0;

  overflow: hidden;

  white-space: nowrap;
  text-overflow: ellipsis;
}

.music-player__title {
  margin-bottom: 3px;

  color: var(--music-text);

  font-size: 0.91rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.music-player__artist {
  margin-bottom: 5px;

  color: var(--music-muted);

  font-size: 0.76rem;
  font-weight: 450;
  line-height: 1.2;
}

.music-player__status {
  display: inline-flex;
  align-items: center;
  gap: 5px;

  color: var(--music-accent);

  font-size: 0.67rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.music-player__status::before {
  content: "";

  width: 5px;
  height: 5px;

  flex-shrink: 0;

  border-radius: 50%;

  background: currentColor;

  opacity: 0.55;
}

/* =========================================================
   BOTÓN PLAY / PAUSE
========================================================= */

.music-player__toggle {
  position: relative;
  z-index: 1;

  display: grid;
  place-items: center;

  width: 46px;
  height: 46px;

  flex-shrink: 0;

  border: 1px solid rgba(200, 164, 107, 0.33) !important;
  border-radius: 50%;

  color: #ffffff !important;

  background:
    linear-gradient(
      145deg,
      #d5b781,
      var(--music-accent)
    ) !important;

  box-shadow:
    0 8px 18px rgba(124, 91, 44, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);

  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    filter 220ms ease;
}

.music-player__toggle:hover {
  transform: translateY(-2px) scale(1.03);

  filter: brightness(1.03);

  box-shadow:
    0 11px 22px rgba(124, 91, 44, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.music-player__toggle:active {
  transform: scale(0.95);
}

.music-player__toggle:focus-visible {
  box-shadow:
    0 0 0 4px rgba(200, 164, 107, 0.22),
    0 8px 18px rgba(124, 91, 44, 0.22);
}

.music-player__toggle span {
  display: grid;
  place-items: center;

  width: 23px;
  height: 23px;
}

.music-player__toggle span[hidden] {
  display: none;
}

.music-player__play-icon {
  transform: translateX(1px);
}

/* =========================================================
   BOTÓN CONTRAER
========================================================= */

.music-player__collapse {
  position: relative;
  z-index: 1;

  display: grid;
  place-items: center;

  width: 30px;
  height: 30px;

  flex-shrink: 0;

  border-radius: 50%;

  color: var(--music-muted);

  background: rgba(255, 255, 255, 0.42) !important;

  transition:
    transform 220ms ease,
    color 220ms ease,
    background-color 220ms ease;
}

.music-player__collapse:hover {
  color: var(--music-accent);

  background: rgba(255, 255, 255, 0.82) !important;

  transform: translateY(2px);
}

.music-player__collapse:active {
  transform: scale(0.93);
}

.music-player__collapse:focus-visible {
  box-shadow: 0 0 0 3px rgba(200, 164, 107, 0.2);
}

.music-player__collapse svg {
  width: 17px;
  height: 17px;
}

/* =========================================================
   ESTADOS: CONTRAÍDO Y EXPANDIDO
========================================================= */

.music-player.is-collapsed .music-player__compact {
  opacity: 1;
  visibility: visible;

  transform: translateY(0) scale(1);

  pointer-events: auto;
}

.music-player.is-collapsed .music-player__panel {
  opacity: 0;
  visibility: hidden;

  transform:
    translateY(12px)
    scale(0.94);

  pointer-events: none;
}

.music-player.is-expanded .music-player__compact {
  opacity: 0;
  visibility: hidden;

  transform:
    translateY(8px)
    scale(0.9);

  pointer-events: none;
}

.music-player.is-expanded .music-player__panel {
  opacity: 1;
  visibility: visible;

  transform:
    translateY(0)
    scale(1);

  pointer-events: auto;
}

/* =========================================================
   ESTADO REPRODUCIENDO
========================================================= */

.music-player.is-playing .music-player__disc {
  animation: music-disc-spin 5s linear infinite;
}

.music-player.is-playing .music-player__album {
  transform: translateY(-1px) rotate(-1deg);
}

.music-player.is-playing .music-player__bar {
  animation:
    music-equalizer 850ms ease-in-out
    calc(var(--bar-index) * -135ms)
    infinite alternate;
}

.music-player.is-playing .music-player__status::before {
  opacity: 1;

  box-shadow: 0 0 0 0 rgba(200, 164, 107, 0.45);

  animation: music-status-pulse 1.8s ease-out infinite;
}

/* =========================================================
   ESTADO PAUSADO
========================================================= */

.music-player.is-paused .music-player__disc {
  animation-play-state: paused;
}

.music-player.is-paused .music-player__bar {
  height: 5px;

  animation: none;
}

.music-player.is-paused .music-player__status {
  color: var(--music-muted);
}

/* =========================================================
   AUTOPLAY BLOQUEADO
========================================================= */

.music-player.requires-interaction .music-player__compact {
  animation: music-attention 2.4s ease-in-out infinite;
}

.music-player.requires-interaction .music-player__status {
  color: var(--music-accent);

  text-transform: none;
  letter-spacing: 0;
}

.music-player.requires-interaction .music-player__status::before {
  opacity: 0.9;

  animation: music-status-pulse 1.8s ease-out infinite;
}

/* =========================================================
   ESTADO DE ERROR
========================================================= */

.music-player.has-error .music-player__compact,
.music-player.has-error .music-player__panel {
  border-color: rgba(170, 75, 75, 0.24);

  opacity: 0.78;
}

.music-player.has-error .music-player__disc,
.music-player.has-error .music-player__album {
  color: #a94d4d;
}

.music-player.has-error .music-player__status {
  color: #a94d4d;
}

.music-player.has-error .music-player__bar {
  background: #a94d4d;
}

/* =========================================================
   ANIMACIONES
========================================================= */

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

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

@keyframes music-equalizer {
  0% {
    height: 4px;
    transform: scaleY(0.65);
  }

  40% {
    height: 13px;
    transform: scaleY(1);
  }

  75% {
    height: 8px;
    transform: scaleY(0.82);
  }

  100% {
    height: 16px;
    transform: scaleY(1.08);
  }
}

@keyframes music-status-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(200, 164, 107, 0.45);
  }

  70% {
    box-shadow: 0 0 0 7px rgba(200, 164, 107, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(200, 164, 107, 0);
  }
}

@keyframes music-attention {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

@keyframes music-shine {
  from {
    transform: translateX(-120%);
  }

  to {
    transform: translateX(120%);
  }
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 640px) {
  .music-player {
    right: max(8px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
  }

  /* =======================================================
     BOTÓN COMPACTO MÓVIL
  ======================================================== */

  .music-player__compact {
    display: grid;
    grid-template-columns: 1fr;
    place-items: center;

    width: 50px;
    min-width: 50px;
    height: 50px;

    padding: 6px;

    border-radius: 50%;
  }

  .music-player__disc {
    width: 36px;
    height: 36px;
  }

  /*
    En móvil ocultamos el ecualizador del botón compacto
    para reducir ruido visual.
  */

  .music-player__compact-bars {
    display: none;
  }

  /* =======================================================
     PANEL EXPANDIDO
  ======================================================== */

  .music-player__panel {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;

    width: min(330px, calc(100vw - 24px));
    min-height: 76px;

    padding: 10px;
  }

  .music-player__decoration {
    width: 50px;
    height: 50px;
  }

  .music-player__album {
    width: 49px;
    height: 49px;

    border-radius: 15px;
  }

  .music-player__album svg {
    width: 23px;
    height: 23px;
  }

  .music-player__title {
    font-size: 0.84rem;
  }

  .music-player__artist {
    font-size: 0.71rem;
  }

  .music-player__status {
    font-size: 0.61rem;
  }

  .music-player__toggle {
    width: 43px;
    height: 43px;
  }

  .music-player__collapse {
    position: absolute;

    top: -9px;
    right: -6px;

    width: 27px;
    height: 27px;

    border: 1px solid rgba(255, 255, 255, 0.75);

    background: rgba(255, 255, 255, 0.92) !important;

    box-shadow: 0 4px 12px rgba(37, 28, 42, 0.12);
  }

  .music-player__collapse svg {
    width: 15px;
    height: 15px;
  }
}

@media (max-width: 390px) {
  .music-player__panel {
    grid-template-columns: 46px minmax(0, 1fr) 41px;

    width: calc(100vw - 20px);
    padding: 9px;
  }

  .music-player__decoration {
    width: 46px;
    height: 46px;
  }

  .music-player__album {
    width: 45px;
    height: 45px;

    border-radius: 14px;
  }

  .music-player__equalizer {
    display: none;
  }

  .music-player__toggle {
    width: 41px;
    height: 41px;
  }
}

/* =========================================================
   ACCESIBILIDAD: MOVIMIENTO REDUCIDO
========================================================= */

@media (prefers-reduced-motion: reduce) {
  .music-player *,
  .music-player *::before,
  .music-player *::after {
    scroll-behavior: auto !important;

    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;

    transition-duration: 0.01ms !important;
  }

  .music-player.is-playing .music-player__disc {
    animation: none;
  }

  .music-player.is-playing .music-player__bar {
    height: 9px;

    animation: none;
  }
}

/* =========================================================
   MODO OSCURO OPCIONAL
========================================================= */

@media (prefers-color-scheme: dark) {
  .music-player[data-theme="auto"] {
    --music-text: rgba(255, 255, 255, 0.94);
    --music-muted: rgba(255, 255, 255, 0.62);

    --music-surface: rgba(36, 31, 39, 0.72);
    --music-surface-strong: rgba(47, 40, 50, 0.9);
    --music-border: rgba(255, 255, 255, 0.16);
  }

  .music-player[data-theme="auto"] .music-player__compact,
  .music-player[data-theme="auto"] .music-player__panel {
    background:
      linear-gradient(
        135deg,
        rgba(45, 38, 48, 0.9),
        rgba(28, 24, 31, 0.72)
      );
  }

  .music-player[data-theme="auto"] .music-player__album {
    background:
      linear-gradient(
        145deg,
        rgba(67, 57, 70, 0.96),
        rgba(45, 38, 48, 0.8)
      );
  }
}