/* Thalassothérapie – style.css (v2.0 — Abyssal Lumière) */

/* ── Variables ───────────────────────────────────────────────────────────── */
:root {
  --sea:   #1cc4e8;  /* azur riviera vif   */
  --bio:   #4df0d4;  /* bioluminescence    */
  --deep:  #0a1b3e;  /* nuit navy          */
  --sun:   #ffd84d;  /* or chaud           */
  --sand:  #ffe3ee;  /* sable rose         */
  --coral: #ff7d5e;  /* corail doré        */
  --mint:  #76ede7;  /* mint vague         */
  --radius: 14px;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box }
[hidden] { display: none !important; }
html, body { height: 100% }

body {
  margin: 0;
  font-family: 'Lexend', ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-weight: 400;
  background: var(--deep);
  color: #fff;
}

/* ── Fond animé Riviera ───────────────────────────────────────────────────── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 800px at var(--g1-x, 20%) var(--g1-y, 10%), var(--sea),   transparent 60%),
    radial-gradient(900px  900px at var(--g2-x, 80%) var(--g2-y, 20%), var(--sand),  transparent 65%),
    radial-gradient(900px  900px at var(--g3-x, 40%) var(--g3-y, 80%), var(--coral), transparent 65%),
    linear-gradient(180deg, #081127, #0b1c45 60%);
  animation:
    hue   40s linear      infinite,
    drift 60s ease-in-out infinite alternate;
}

@keyframes hue   { to { filter: hue-rotate(360deg); } }
@keyframes drift { 0%,100% { transform: scale(1); } 50% { transform: scale(1.02); } }
@keyframes spin  { to { transform: rotate(-360deg); } }

/* Shimmer pour skeleton */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── Shell ───────────────────────────────────────────────────────────────── */
.shell {
  padding: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

/* ── Deck (grille vinyle + contrôles) ────────────────────────────────────── */
.deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
}
@media (min-width: 720px) {
  .deck { grid-template-columns: minmax(280px, 440px) 1fr; }
}

/* ── Vinyle ──────────────────────────────────────────────────────────────── */
.vinyl {
  position: relative;
  width: 90%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin: 0 auto;
}

.disc {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #000 0 30%, #0b0b0b 30% 47%, #000 47% 100%);
  box-shadow: inset 0 0 0 4px #222, inset 0 0 0 8px #111, 0 10px 40px #000a;
  animation: spin 12s linear infinite;
  animation-play-state: paused;
}
.playing .disc { animation-play-state: running; }

.label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 36%; height: 36%;
  border-radius: 50%;
  background: center/cover no-repeat url('img/cover.png');
  box-shadow:
    0 0 0 4px #000,
    0 0 16px 4px rgba(77, 240, 212, 0.30);
  overflow: hidden;
  transition: box-shadow 0.6s ease;
}
.playing .label {
  box-shadow:
    0 0 0 4px #000,
    0 0 28px 10px rgba(77, 240, 212, 0.55);
}

.arm {
  position: absolute;
  right: -6%; top: 5%;
  width: 46%; height: 8px;
  background: linear-gradient(90deg, #999, #ccc);
  transform-origin: 100% 0;
  transform: rotate(9deg);
  border-radius: 8px;
  box-shadow: 0 2px 8px #0008;
  transition: transform .6s cubic-bezier(.2, .9, .2, 1);
}
.playing .arm { transform: rotate(-10deg); }

/* ── Contrôles ───────────────────────────────────────────────────────────── */
.controls {
  display: grid;
  gap: .75rem;
  align-content: start;
}

/* ── Now playing card ────────────────────────────────────────────────────── */
.now {
  background: #ffffff12;
  border: 1px solid #ffffff20;
  border-radius: var(--radius);
  padding: .85rem 1rem;
  backdrop-filter: saturate(1.3) blur(4px);
  box-shadow: 0 6px 24px #0004;
  transition: opacity 0.22s ease;
}
.now.fade { opacity: 0; }

.now .np-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1.15rem;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -.01em;
}
.now .np-sub {
  font-family: 'Lexend', sans-serif;
  font-weight: 300;
  font-size: .9rem;
  opacity: .75;
  margin-top: .2rem;
  letter-spacing: .04em;
}

/* ── Modes ───────────────────────────────────────────────────────────────── */
.modes {
  display: grid;
  gap: .5rem;
  margin: .25rem 0;
}

/* ── Boutons ─────────────────────────────────────────────────────────────── */
.btn {
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  font-size: 1rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 500;
  background: #ffffff1e;
  color: #fff;
  box-shadow: 0 4px 16px #0003;
  transition: transform .12s, box-shadow .12s, background .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.btn:active { transform: translateY(1px); box-shadow: 0 2px 8px #0004; }

/* Icône seule (pas de padding latéral texte) */
.btn.icon-btn { padding: .85rem; }

/* Bouton principal : dégradé Azur → Bioluminescence */
.btn.primary {
  background: linear-gradient(135deg, var(--sea), var(--bio));
  color: #041221;
  box-shadow: 0 4px 20px rgba(28, 196, 232, 0.35);
}
.btn.primary.big { padding: 1rem; }
.btn.primary:hover {
  box-shadow: 0 6px 28px rgba(77, 240, 212, 0.45);
}

/* Accent (radio) */
.btn.accent {
  background: linear-gradient(135deg, var(--sun), var(--coral));
  color: #1a0510;
}

/* Ghost */
.btn.ghost { background: #ffffff14; }

.btn.wide { width: 100%; }

/* ── Rangée de boutons lecture ───────────────────────────────────────────── */
.btnrow {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: .75rem;
}

/* ── Toggles switch custom ───────────────────────────────────────────────── */
.toggles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.tgl {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: #ffffff14;
  padding: .5rem .85rem;
  border-radius: var(--radius);
  font-family: 'Lexend', sans-serif;
  font-weight: 500;
  font-size: .9rem;
  cursor: pointer;
  user-select: none;
}
/* Remplace la checkbox native par un toggle pill */
.tgl input {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
  cursor: pointer;
  transition: background .28s;
}
.tgl input::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform .28s cubic-bezier(.34, 1.56, .64, 1);
}
.tgl input:checked { background: var(--bio); }
.tgl input:checked::after { transform: translateX(18px); }

/* ── Seek + Waveform ─────────────────────────────────────────────────────── */
.range { display: grid; gap: .35rem; }

#seek { width: 100%; }

#waveform {
  width: 100%;
  height: 52px;
  display: block;
  border-radius: 6px;
}

.time {
  font-family: 'Lexend', sans-serif;
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  font-size: .88rem;
  opacity: .8;
  text-align: right;
  letter-spacing: .03em;
}

/* ── Range sliders ───────────────────────────────────────────────────────── */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: #ffffff22;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(77, 240, 212, 0.55), 0 2px 8px #0006;
  transition: box-shadow .15s;
}
input[type=range]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(77, 240, 212, 0.70), 0 2px 8px #0006;
}
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: none;
  box-shadow: 0 0 0 3px rgba(77, 240, 212, 0.55);
}

/* ── Volume ──────────────────────────────────────────────────────────────── */
.vol {
  display: flex;
  align-items: center;
  gap: .5rem;
}
#volIcon, #airplayBtn {
  flex-shrink: 0;
}
#vol { flex: 1; }

/* ── Playlist section ────────────────────────────────────────────────────── */
.playlist {
  margin-top: .75rem;
  background: #081127bb;
  border: 1px solid #ffffff1c;
  border-radius: var(--radius);
  overflow: hidden;
}

.collapsible-header {
  padding: .9rem 1rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: .06em;
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  user-select: none;
  background: #ffffff0e;
}
.collapsible-header .arrow {
  display: inline-block;
  width: 1.2em;
  text-align: center;
  transition: transform .25s;
}
.collapsible-header.collapsed .arrow { transform: rotate(-90deg); }

.track-count {
  font-weight: 300;
  font-size: .8rem;
  opacity: .6;
  margin-left: .2rem;
}

/* ── Liste des pistes ────────────────────────────────────────────────────── */
.list {
  list-style: none;
  margin: 0; padding: 0;
  max-height: 60vh;
  overflow: auto;
  /* Fondu en bas de la liste */
  mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
}

.track {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .75rem;
  align-items: center;
  padding: .65rem 1rem;
  border-bottom: 1px solid #ffffff0e;
  border-left: 3px solid transparent;
  transition: background .2s, border-left-color .2s;
}
.track:hover { background: #ffffff08; }

/* Piste active */
.track.active {
  background: rgba(28, 196, 232, 0.08);
  border-left-color: var(--bio);
}
.track.active .t { color: var(--bio); }

.track .play {
  border: none;
  background: #ffffff20;
  color: #fff;
  border-radius: 10px;
  padding: .45rem .6rem;
  font-size: .9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.track .play:hover { background: rgba(28, 196, 232, 0.3); }
.track.active .play { background: rgba(77, 240, 212, 0.25); }

.track .meta .t {
  font-weight: 500;
  font-size: .95rem;
}
.track .meta .s {
  font-weight: 300;
  font-size: .85rem;
  opacity: .7;
  margin-top: .15rem;
  letter-spacing: .02em;
}
.track .handle {
  opacity: .5;
  cursor: grab;
  font-size: 1.1rem;
}
.track.dragging { opacity: .5; }

/* ── Skeleton loader ─────────────────────────────────────────────────────── */
.track.skeleton { pointer-events: none; }
.skel {
  border-radius: 6px;
  background: linear-gradient(90deg, #ffffff0e 25%, #ffffff1e 50%, #ffffff0e 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}
.skel-btn   { width: 36px; height: 36px; border-radius: 10px; }
.skel-title { width: 68%;  height: 13px; margin-bottom: 8px; }
.skel-sub   { width: 38%;  height: 11px; }

/* ── Message statut / erreur ─────────────────────────────────────────────── */
.status-msg {
  padding: .8rem 1rem;
  font-family: 'Lexend', sans-serif;
  font-weight: 300;
  font-size: .9rem;
  color: var(--sand);
  text-align: center;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  padding: 1rem;
  text-align: center;
  font-family: 'Lexend', sans-serif;
  font-weight: 300;
  font-size: .82rem;
  letter-spacing: .06em;
  opacity: .5;
}

/* ── Radio : dossiers sources (layout identique à la playlist) ───────────── */

/* Dossier dont la piste en cours est issue → bordure BIO */
.folder-row.folder-playing {
  background: rgba(28, 196, 232, 0.07);
  border-left-color: var(--bio);
}
.folder-row.folder-playing .t { color: var(--bio); }

/* Dossier désactivé → estompé */
.folder-row.folder-off {
  opacity: .42;
}

/* Bouton toggle folder */
.folder-toggle {
  border: none;
  border-radius: 10px;
  padding: .45rem .6rem;
  font-size: .9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
}
.folder-toggle.on {
  background: rgba(77, 240, 212, 0.22);
  color: var(--bio);
}
.folder-toggle.on:hover  { background: rgba(77, 240, 212, 0.35); }
.folder-toggle.off {
  background: rgba(255, 255, 255, 0.10);
  color: rgba(255,255,255,.45);
}
.folder-toggle.off:hover { background: rgba(255, 255, 255, 0.18); }

/* ── Focus visible (clavier) ─────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--sun);
  outline-offset: 3px;
  border-radius: 4px;
}