/* ===== Styles compacts (scopés Backing Tracks) ===== */

.bt-wrap{
  --gap: .6rem;
  --radius: 12px;
  --shadow: 0 3px 12px rgba(0,0,0,.06);
  --accent: #111;
  --accent-soft: #00994b;      /* vert un peu plus foncé pour meilleur contraste */
  --accent-soft-bg: #f7fff9;
  max-width: 1000px;
  margin: 28px auto;
  padding: 0 12px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Header : Titre / recherche / tri empilés (desktop & mobile) */
.bt-hero{
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  margin-bottom: 8px;
}

.bt-title{
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  margin: 0;
  font-weight: 650;
}

/* ===== Search bar “premium” ===== */

.bt-search{
  flex: 1;
  min-width: 220px;
  position: relative;
  margin-bottom: 6px; /* un peu plus d’espace après la barre */
}

.bt-search::before{
  content: "🔍";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .9rem;
  opacity: .55;
  pointer-events: none;
}

.bt-search input{
  width: 100%;
  padding: 9px 12px;
  padding-left: 30px; /* place pour l’icône */
  border: 1px solid #ddd;
  border-radius: 999px;
  font-size: .95rem;
  line-height: 1.2;
  background: #fafafa;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.bt-search input:focus{
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 2px rgba(11,191,91,.25);
  background: #fff;
}

/* ===== Tri : segmented control ===== */

.bt-sort{
  display: inline-flex;
  align-self: flex-start;
  border-radius: 999px;
  padding: 2px;
  background: #f0f0f3;
  border: 1px solid #e0e0e4;
}

.bt-sort button{
  padding: 6px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: .85rem;
  line-height: 1.2;
  color: #444;
  min-width: 80px;
  text-align: center;
  transition: background .15s ease, color .15s ease, box-shadow .15s ease;
}

.bt-sort button[aria-pressed="true"]{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
}

/* (focus clavier : on laisse le style natif du navigateur) */

/* ===== Liste / cards ===== */

.bt-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.bt-row{
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 12px;
  display: grid;
  grid-template-columns: minmax(0,1.6fr) auto;
  gap: 10px 14px;
  align-items: center;
  border: 1px solid #eee;
  border-left: 4px solid transparent;
  transition: background-color .15s ease;
}

/* Hover : léger “allumage”, pas d’élévation */
.bt-row:hover{
  background-color: #f9f9f9;
}

.bt-row.is-active{
  border-left-color: var(--accent-soft);
  background: var(--accent-soft-bg);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
}

.bt-main{
  min-width: 0;
}

.bt-line{
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bt-line-title{
  font-size: .98rem;
  font-weight: 650;
}

.bt-line-artist{
  font-size: .86rem;
  color: #666;
  margin-top: 2px;
}

/* Badges éventuels (tonalité, tags…) */

.bt-badges{
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.bt-badge{
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f1f3f7;
  color: #444;
  font-size: .75rem;
}

/* ===== Boutons de tempo ===== */

.bt-tempos{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.bt-play{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 90px;
  min-width: 90px;
  max-width: 90px;
  flex: 0 0 90px;
  padding: 6px 10px;
  border: 0;
  border-radius: 999px;
  background: #111;           /* fond noir */
  cursor: pointer;
  font-size: .85rem;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: #fff;
  appearance: none;
  -webkit-appearance: none;
  text-align: center;
  transition: transform .12s ease, box-shadow .12s ease,
              background .12s ease, color .12s ease;
}

.bt-play:active{
  transform: scale(.97);
}

.bt-play:hover{
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
}

/* plus de contour vert custom : focus natif */
.bt-play.is-active,
.bt-play[aria-pressed="true"]{
  color: #fff; /* fond vert géré en inline JS */
}

.bt-player{
  grid-column: 1 / -1;
  margin-top: 6px;
  display: none;
}

/* PLUS D’ANIMATION : on garde la classe mais sans anim */
.bt-player-anim-in{
  animation: none;
}

/* ===== Player / Vitre / commandes (desktop) ===== */

.bt-player-inner{
  position: relative;
  margin-top: 4px;
}

/* Empêche la sélection de texte dans la zone player (double-clic) */
.bt-player-inner,
.bt-player-inner *{
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

.bt-player-frame{
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 8px 28px rgba(0,0,0,.35);
}

/* Iframe sous la vitre */
.bt-player iframe{
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

/* Vitre au-dessus de la vidéo (desktop) */
.bt-iframe-shield{
  position: absolute;
  inset: 0;
  background: transparent;
  cursor: pointer;
  z-index: 2;
}

/* Focus visible sur la vitre */
.bt-iframe-shield:focus-visible{
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px rgba(0,153,75,.4);
}

/* Barre de commandes dans la vitre (desktop) */
.bt-iframe-controls{
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 999px;
  background: rgba(10,10,10,.65);
  backdrop-filter: blur(6px);
}

.bt-iframe-ctrl{
  border: 0;
  border-radius: 999px;
  padding: 3px 7px;
  font-size: .75rem;
  line-height: 1.1;
  color: #f9f9f9;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
}

/* Hover sur les commandes overlay */
.bt-iframe-ctrl:hover{
  background: rgba(255,255,255,.08);
}

/* Focus visible sur les commandes overlay */
.bt-iframe-ctrl:focus-visible{
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px rgba(0,153,75,.4);
}

.bt-iframe-bpm{
  min-width: 72px;
  text-align: center;
  font-size: .8rem;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* ===== Désactiver vitre & commandes sur appareils tactiles ===== */

.bt-touch .bt-iframe-shield,
.bt-touch .bt-iframe-controls{
  display: none !important;
  pointer-events: none !important;
}

/* ===== Load more & état vide ===== */

.bt-load{
  display: block;
  margin: 18px auto;
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  transition: box-shadow .15s ease, transform .1s ease;
}

.bt-load:hover{
  box-shadow: 0 3px 10px rgba(0,0,0,.18);
}

/* Focus visible pour le bouton "Charger plus" */
.bt-load:focus-visible{
  outline: 2px solid var(--accent-soft);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px rgba(0,153,75,.4);
}

/* Empty state enrichi */
.bt-empty{
  opacity: .85;
  padding: 22px 12px 26px;
  text-align: center;
}

.bt-empty-icon{
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.bt-empty-main{
  margin: 0 0 4px 0;
  font-weight: 600;
}

.bt-empty-help{
  margin: 0;
  font-size: .9rem;
  color: #555;
}

/* ===== Aide clavier (“?”) ===== */

.bt-help-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.bt-help{
  position: relative;
  background: #fff;
  color: #111;
  border-radius: 16px;
  padding: 20px;
  max-width: 760px;
  width: 92%;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
  font-size: .95rem;
}

/* Bouton fermer (croix) */
.bt-help-close{
  position: absolute;
  top: 10px;
  right: 14px;
  border: 0;
  background: transparent;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Corps de la modale d’aide */
.bt-help-body{
  max-height: min(70vh, 480px);
  overflow: auto;
}

/* Conteneur de sections */
.bt-help-sections{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  margin-bottom: 8px;
}

/* Une section (Lecture, Navigation, Volume, etc.) */
.bt-help-section{
  border-radius: 8px;
}

.bt-help-section-title{
  margin: 0 0 4px 0;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: #666;
}

/* Table des raccourcis */
.bt-help-section table{
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.bt-help-section th,
.bt-help-section td{
  padding: 4px 0;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: top;
}

.bt-help-section tr:last-child th,
.bt-help-section tr:last-child td{
  border-bottom: none;
}

.bt-help-section th{
  width: 40%;
  padding-right: 8px;
  font-weight: 500;
  color: #333;
}

/* Style des touches clavier */
.bt-kbd{
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  border: 1px solid #ddd;
  border-bottom-width: 2px;
  background: #fafafa;
  border-radius: 6px;
  padding: 1px 6px;
  margin: 0 2px 2px 0;
}

/* Pied de la modale (style prêt au cas où) */
.bt-help .foot{
  opacity: .7;
  font-size: .85rem;
  margin-top: 4px;
}

/* ===== Verrouillage du scroll (aide/plein écran) ===== */
html.bt-noscroll-html,
body.bt-noscroll{
  overflow: hidden !important;
  overscroll-behavior: contain;
  touch-action: none;
}

/* ===== Responsive ===== */

@media (max-width: 720px){
  .bt-row{
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .bt-tempos{
    justify-content: flex-start;
  }

  /* Effet “bottom sheet” pour la modale d’aide */
  .bt-help-overlay{
    align-items: flex-end;
  }
  .bt-help{
    width: 100%;
    max-width: 100%;
    border-radius: 16px 16px 0 0;
  }

  /* Titre / artiste plus visibles sur mobile */
  .bt-line-title{
    font-size: 1.05rem;
    font-weight: 700;
  }
}

/* Sur petits écrans : aide en une seule colonne */
@media (max-width: 640px){
  .bt-help-sections{
    grid-template-columns: 1fr;
  }
}

/* Compacter / alléger les commandes sur petits écrans (desktop étroits) */
@media (max-width: 480px){
  .bt-iframe-controls{
    top: 8px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    justify-content: center;
  }

  .bt-iframe-ctrl-voldown,
  .bt-iframe-ctrl-volup,
  .bt-iframe-ctrl-mute{
    display: none;
  }

  .bt-iframe-ctrl{
    font-size: .7rem;
    padding: 2px 6px;
  }

  .bt-iframe-bpm{
    min-width: 64px;
    font-size: .75rem;
  }
}

/* ===== Spécifique mobile/tactile : boutons BPM vraiment uniformes ===== */

/* Sur appareils tactiles (classe ajoutée en JS sur <body>) :
   on force une largeur fixe identique pour tous les BPM */
.bt-touch .bt-tempos{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-start;
}

.bt-touch .bt-play{
  width: 90px !important;
  min-width: 90px !important;
  max-width: 90px !important;
  flex: 0 0 90px !important;
}