/* VLM Motion System — movimento unificado do site.
   Carregado por último no <head>: tokens, linguagem de componentes
   e portões de desempenho (níveis baixo / equilibrado / máximo). */

:root {
  --om-fast: 140ms;
  --om-med: 240ms;
  --om-slow: 420ms;
  --om-xslow: 680ms;
  --om-ease: cubic-bezier(.22, .61, .36, 1);
  --om-spring: cubic-bezier(.34, 1.45, .64, 1);
  --om-glow: 0 0 0 3px color-mix(in srgb, var(--accent, #7c5cff) 38%, transparent);
}

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

html { scroll-behavior: smooth; }

body {
  transition: background-color var(--om-xslow) var(--om-ease);
  will-change: background-position;
}

/* ---------- Reveal on-scroll (elementos novos entram em cascata) ---------- */
.om-reveal {
  opacity: 0;
  transform: translateY(14px) scale(.985);
}
.om-reveal.om-in {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--om-xslow) var(--om-ease),
    transform var(--om-xslow) var(--om-ease);
  transition-delay: var(--om-d, 0ms);
  will-change: auto;
}

/* ---------- Cartões (mix / temas / trilhas) ---------- */
.mix {
  transition:
    transform var(--om-med) var(--om-ease),
    box-shadow var(--om-med) var(--om-ease),
    background-color var(--om-med) var(--om-ease),
    border-color var(--om-med) var(--om-ease);
}
.mix:hover {
  transform: translateY(-6px) scale(1.02);
  z-index: 1;
}
.mix:active { transform: translateY(-2px) scale(.99); transition-duration: var(--om-fast); }
.mix .cover, .mix img {
  transition: filter var(--om-med) var(--om-ease), transform var(--om-med) var(--om-ease);
}
.mix:hover .cover, .mix:hover img {
  filter: saturate(1.15) brightness(1.06);
  transform: scale(1.035);
}

.theme {
  transition:
    transform var(--om-med) var(--om-ease),
    box-shadow var(--om-med) var(--om-ease),
    border-color var(--om-med) var(--om-ease),
    background-color var(--om-med) var(--om-ease);
}
.theme:hover { transform: translateY(-3px); }
.theme:active { transform: translateY(-1px) scale(.98); transition-duration: var(--om-fast); }
.theme.selected {
  box-shadow: 0 0 0 2px var(--accent, #7c5cff), 0 14px 34px color-mix(in srgb, var(--accent, #7c5cff) 30%, transparent);
}
.theme .swatch { transition: transform var(--om-med) var(--om-ease), filter var(--om-med) var(--om-ease); }
.theme:hover .swatch { filter: saturate(1.2) brightness(1.08); }
.theme.selected .swatch { animation: om-selected-pulse 2.2s var(--om-ease) infinite 300ms; }
@keyframes om-selected-pulse {
  0%, 100% { transform: translateZ(0) scale(1); }
  50% { transform: translateZ(0) scale(1.04); }
}

.track {
  transition:
    background-color var(--om-fast) var(--om-ease),
    transform var(--om-med) var(--om-ease),
    border-color var(--om-med) var(--om-ease);
}
.track:hover { transform: translateX(4px); }
.track:active { transform: translateX(2px) scale(.995); transition-duration: var(--om-fast); }
.track .thumb { transition: transform var(--om-med) var(--om-ease), filter var(--om-med) var(--om-ease); }
.track:hover .thumb { transform: scale(1.05); filter: brightness(1.06); }

/* ---------- Navegação ---------- */
.navitem {
  transition:
    background-color var(--om-fast) var(--om-ease),
    color var(--om-fast) var(--om-ease),
    transform var(--om-fast) var(--om-ease),
    box-shadow var(--om-med) var(--om-ease);
}
.navitem:active { transform: scale(.955); }
.navitem.on { box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent, #7c5cff) 46%, transparent); }
.navitem.on::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 16px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent, #7c5cff);
  transform: translateX(-50%);
  animation: om-nav-dot-in var(--om-med) var(--om-spring);
}
@keyframes om-nav-dot-in {
  from { opacity: 0; transform: translateX(-50%) scaleX(.2); }
  to { opacity: 1; transform: translateX(-50%) scaleX(1); }
}

.side a, .side button {
  transition: background-color var(--om-fast) var(--om-ease), transform var(--om-med) var(--om-ease), color var(--om-fast) var(--om-ease);
}
.side a:hover, .side button:hover { transform: translateX(3px); }

/* ---------- Botões ---------- */
button, .btn, .pill {
  transition:
    transform var(--om-fast) var(--om-ease),
    background-color var(--om-fast) var(--om-ease),
    border-color var(--om-fast) var(--om-ease),
    box-shadow var(--om-med) var(--om-ease),
    color var(--om-fast) var(--om-ease),
    opacity var(--om-fast) var(--om-ease);
}
button:active, .btn:active, .pill:active { transform: scale(.97); }
button:focus-visible, a:focus-visible, input:focus-visible, [tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--om-glow) !important;
  border-radius: 12px;
}

/* Pop ao clicar play (classe aplicada pelo regente JS) */
.om-pop { animation: om-pop var(--om-med) var(--om-spring); }
@keyframes om-pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

/* ---------- Busca ---------- */
#search {
  transition:
    background-color var(--om-med) var(--om-ease),
    border-color var(--om-med) var(--om-ease),
    box-shadow var(--om-slow) var(--om-ease);
}
#search:focus { background-color: rgba(255, 255, 255, .07); }
#search::placeholder { transition: opacity var(--om-med) var(--om-ease); }
#search:focus::placeholder { opacity: .45; }

/* ---------- Page (troca de conteúdo) ---------- */
.main { animation: om-page-in var(--om-page) var(--om-ease) both; }
@keyframes om-page-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Modal ---------- */
.modal-backdrop {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 50;
  padding: 18px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--om-slow) var(--om-ease),
    visibility 0s linear var(--om-slow);
}
.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--om-slow) var(--om-ease);
}
.modal-backdrop .modal {
  transform: translateY(14px) scale(.97);
  transition: transform var(--om-slow) var(--om-spring);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }

/* ---------- Toast ---------- */
.toast {
  transition:
    opacity var(--om-med) var(--om-ease),
    transform var(--om-med) var(--om-spring),
    filter var(--om-med) var(--om-ease);
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
  filter: blur(0);
}

/* ---------- Player ---------- */
.player {
  transition:
    background-color var(--om-xslow) var(--om-ease),
    box-shadow var(--om-slow) var(--om-ease),
    height var(--om-slow) var(--om-ease);
}
.ctrl {
  transition: transform var(--om-fast) var(--om-ease), color var(--om-fast) var(--om-ease), opacity var(--om-fast) var(--om-ease);
}
.ctrl:hover { transform: translateY(-1px); }
.ctrl:active { transform: translateY(0) scale(.94); }

#play { transition: transform var(--om-med) var(--om-spring), box-shadow var(--om-med) var(--om-ease); }
#play:hover { transform: scale(1.06); }
#play:active { transform: scale(.96); transition-duration: var(--om-fast); }
#play.playing svg { animation: om-eq-bounce 1s var(--om-ease) infinite; }
@keyframes om-eq-bounce {
  0%, 100% { transform: translateY(0); }
  35% { transform: translateY(-2px); }
}

.bar { transition: height var(--om-fast) var(--om-ease); }
#progress i {
  transition: box-shadow var(--om-med) var(--om-ease), transform var(--om-med) var(--om-spring), opacity var(--om-fast) var(--om-ease);
  opacity: 0;
  transform: translate(-50%, -50%) scale(.5);
}
.bar:hover #progress i, #progress:focus-within i {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.bar:hover { height: 9px; }

.volume { transition: filter var(--om-fast) var(--om-ease); }
.volume:hover { filter: brightness(1.2); }

/* Marca "tocando agora" pulsando com o áudio via --otoBass (visualizador) */
.player .now strong { transition: text-shadow var(--om-med) var(--om-ease); }

/* ---------- Petals (pétalas flutuantes) ---------- */
.oto-petals { display: none !important; }
body[data-theme="sakura"] .oto-petals,
body[data-theme="naruto"] .oto-petals,
body[data-theme="custom"] .oto-petals {
  display: block !important;
}
body[data-theme="sakura"] .oto-petal {
  position: absolute;
  border-radius: 100% 0 100% 0;
  background: color-mix(in srgb, #ff9ecb 78%, #fff);
  box-shadow: 0 2px 8px rgba(255, 120, 180, .35);
  animation: om-petal-fall linear infinite;
  animation-duration: var(--om-petal-dur, 11s);
  animation-delay: var(--om-petal-delay, 0s);
  will-change: transform, opacity;
  pointer-events: none;
}
body[data-theme="naruto"] .oto-petal {
  position: absolute;
  background: radial-gradient(circle at 30% 35%, #ffd777, #ffb347 78%);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 179, 71, .5);
  animation: om-petal-fall linear infinite;
  animation-duration: var(--om-petal-dur, 9s);
  animation-delay: var(--om-petal-delay, 0s);
  will-change: transform, opacity;
  pointer-events: none;
}
body[data-theme="custom"] .oto-petal {
  position: absolute;
  background: radial-gradient(circle at 32% 34%, #cdd9ff, #7c5cff 72%);
  border-radius: 50%;
  animation: om-petal-fall linear infinite;
  animation-duration: var(--om-petal-dur, 12s);
  animation-delay: var(--om-petal-delay, 0s);
  pointer-events: none;
}
@keyframes om-petal-fall {
  0% {
    transform: translate3d(0, -6vh, 0) rotate(0deg) scale(1);
    opacity: 0;
  }
  8% { opacity: 1; }
  50% {
    transform: translate3d(-3vw, 45vh, 0) rotate(180deg) scale(.98);
  }
  88% { opacity: 1; }
  100% {
    transform: translate3d(2vw, 104vh, 0) rotate(340deg) scale(.94);
    opacity: 0;
  }
}
/* Pétalas não podem rodar com a aba oculta ou com movimento reduzido */
body.oto-hidden .oto-petal { animation-play-state: paused !important; }

/* ---------- Pausa geral quando a aba está oculta ---------- */
body.oto-hidden .ambient::before,
body.oto-hidden .ambient::after,
body.oto-hidden .hero-bg,
body.oto-hidden .hero-bg::before,
body.oto-hidden .hero-bg::after,
body.oto-hidden .oto-hero-fx > *,
body.oto-hidden .blossom {
  animation-play-state: paused !important;
}
body.oto-hidden { animation-play-state: paused; }

/* ---------- Níveis de movimento (baixo / equilibrado / máximo) ---------- */
/* BAIXO: fundo estático, sem partículas pesadas, sem parallax, sem marquee */
html[data-motion="low"] body {
  animation: none !important;
  background-attachment: fixed;
}
html[data-motion="low"] .ambient::before,
html[data-motion="low"] .ambient::after,
html[data-motion="low"] .oto-petal,
html[data-motion="low"] .oto-hero-fx > *,
html[data-motion="low"] .blossom,
html[data-motion="low"] .om-marquee {
  display: none !important;
}
html[data-motion="low"] .hero-bg::before,
html[data-motion="low"] .hero-bg::after {
  animation: none !important;
}
html[data-motion="low"] * {
  animation-duration: .01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 90ms !important;
  scroll-behavior: auto !important;
}
html[data-motion="low"] .om-reveal { opacity: 1; transform: none; }

/* EQUILIBRADO (padrão): tudo acima exceto o "pan" contínuo do wallpaper no mobile */
@media (max-width: 900px) {
  :root:not([data-motion="max"]) body {
    animation: none !important;
  }
}

/* Reduced motion (respeito ao sistema, acima de tudo) */
@media (prefers-reduced-motion: reduce) {
  html, body { scroll-behavior: auto !important; }
  .mix, .theme, .track, button, .navitem { transition: none !important; }
  .mix:hover, .theme:hover, .track:hover, .side a:hover { transform: none !important; }
  .om-reveal { opacity: 1 !important; transform: none !important; }
  .om-reveal.om-in { transition: none !important; }
  .modal-backdrop, .modal-backdrop.open { transition: opacity 90ms linear, visibility 0s; }
  .modal-backdrop .modal { transition: none; }
  #progress i, .bar:hover { transition: none; }
  .toast, .toast.show { transition: opacity 90ms linear; }
  .oto-petal, .ambient::before, .ambient::after, .blossom { animation: none !important; }
  body { animation: none !important; }
}

/* ---------- Controles do painel de movimento (dentro do modal de skins) ---------- */
.om-motion-box {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.om-motion-box > strong {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .75;
  flex-basis: 100%;
}
.om-motion-box .om-tier-btn {
  flex: 1 1 auto;
  min-width: 104px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  text-align: center;
}
.om-motion-box .om-tier-btn:hover { background: rgba(255, 255, 255, .08); }
.om-motion-box .om-tier-btn.on {
  background: var(--accent, #7c5cff);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--accent, #7c5cff) 42%, transparent);
}

/* ---------- Painel do visualizador (sobreposto, sem mudar o layout) ---------- */
#otoVis {
  position: fixed;
  right: 18px;
  bottom: calc(110px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  width: 280px;
  border-radius: 20px;
  padding: 12px 14px 12px;
  background: linear-gradient(160deg, rgba(18, 16, 28, .92), rgba(12, 11, 20, .88));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  transform: translateY(12px) scale(.97);
  visibility: hidden;
  transition:
    opacity var(--om-med) var(--om-ease),
    transform var(--om-med) var(--om-spring),
    visibility 0s linear var(--om-med);
  pointer-events: none;
}
#otoVis.open {
  opacity: 1;
  transform: none;
  visibility: visible;
  pointer-events: auto;
  transition:
    opacity var(--om-med) var(--om-ease),
    transform var(--om-med) var(--om-spring);
}
#otoVis canvas {
  display: block;
  width: 100%;
  height: 84px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .03);
}
#otoVis .otoVis-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
#otoVis .otoVis-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
#otoVis .otoVis-title strong {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .8;
}
#otoVis .otoVis-close {
  width: 26px;
  height: 26px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(255, 255, 255, .05);
  color: #fff;
  cursor: pointer;
  line-height: 1;
}
#otoVis .otoVis-mode {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: transparent;
  color: rgba(255, 255, 255, .78);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}
#otoVis .otoVis-mode.on {
  background: var(--accent, #7c5cff);
  border-color: transparent;
  color: #fff;
}
#otoVis .otoVis-note {
  margin-top: 8px;
  font-size: 11px;
  opacity: .55;
  line-height: 1.4;
}
#otoVis.om-beating canvas { border-color: color-mix(in srgb, var(--accent, #7c5cff) 60%, transparent); }

@media (max-width: 768px) {
  #otoVis {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  }
}

/* Título em marquee quando o texto não cabe */
.om-marquee-text { display: inline-block; will-change: transform; }
.om-marquee-anim { animation: om-marquee-run var(--om-marquee-dur, 12s) linear 900ms infinite alternate; }
@keyframes om-marquee-run {
  from { transform: translateX(0); }
  to { transform: translateX(var(--om-marquee-shift, -40%)); }
}

/* Dip cinematográfico na troca de tema */
@keyframes om-dip-run {
  0% { opacity: 0; }
  38% { opacity: .5; }
  100% { opacity: 0; }
}

/* Troca animada do "tocando agora" */
.now.om-swap strong,
.now.om-swap small {
  animation: om-now-swap 560ms var(--om-ease) both;
}
@keyframes om-now-swap {
  from { opacity: .15; transform: translateX(10px); }
  to { opacity: 1; transform: none; }
}