@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --bg:    #07080f;
  --c-off: #12152a;
  --c-offh:#1e2240;
  --c-dim: #3e4666;
  --panel: rgba(7,9,20,0.93);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html, body {
  width:100%; height:100%;
  overflow:hidden;
  background:var(--bg);
  font-family:'Share Tech Mono', monospace;
  color:#ddd;
  position:fixed; /* bloque tout scroll navigateur */
}

#app {
  position:fixed; inset:0;
  overflow:hidden;
}

/* ── Canvas scroller — wrapper scrollable en portrait ── */
#canvas-scroller {
  position:absolute;
  left:0; top:0;
  width:100%;
  height:100%; /* mis à jour par JS en portrait */
  overflow:hidden; /* overflow géré par JS en portrait */
  z-index:0;
}
/* En portrait/tablette : scroller devient scrollable (landscape exclu) */
@media (max-width:1024px) and (orientation:portrait) {
  #canvas-scroller {
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
}

/* ── Canvas — dimensions gérées entièrement par JS ── */
#bg-canvas, #main-canvas {
  position:absolute;
  left:0; top:0;
  display:block;
}
#bg-canvas  { z-index:0; }
#main-canvas{ z-index:1; }

/* ── UI overlay ── */
#ui {
  position:absolute; inset:0;
  z-index:2;
  pointer-events:none;
}

/* ── Desktop BPM panel ── */
#bpm-panel {
  pointer-events:all;
  position:absolute;
  top:8px; left:50%;
  transform:translateX(-50%);
  background:rgba(12,14,28,0.92);
  border:1px solid rgba(40,46,82,0.8);
  border-radius:14px;
  padding:6px 20px 8px;
  display:flex; flex-direction:column; align-items:center;
  gap:4px;
  backdrop-filter:blur(8px);
  user-select:none;
  min-width:120px;
}
#bpm-value {
  font-family:'Orbitron', monospace;
  font-size:28px; font-weight:900; letter-spacing:2px;
  transition:color 0.1s;
}
#bpm-label {
  font-size:10px; color:var(--c-dim); letter-spacing:4px;
}
#bpm-controls { display:flex; gap:8px; margin-top:4px; }
.bpm-btn {
  padding:3px 12px; border-radius:6px;
  background:rgba(20,24,50,0.9);
  border:1px solid rgba(50,58,98,0.8);
  color:var(--c-dim);
  font-family:'Share Tech Mono', monospace; font-size:12px;
  cursor:pointer; transition:all 0.15s;
  user-select:none;
}
.bpm-btn:hover  { color:#aab; border-color:#556; }
.bpm-btn:active { transform:scale(0.93); }

/* ── Swing row (BPM panel) ── */
#swing-row {
  display:flex; align-items:center; gap:6px;
  margin-top:6px; width:100%;
}
#swing-label {
  font-size:8px; letter-spacing:3px; color:var(--c-dim);
  min-width:42px;
}
#swing-val {
  font-size:9px; color:var(--c-dim);
  min-width:28px; text-align:right;
}
#swing-slider {
  flex:1; height:4px; -webkit-appearance:none; appearance:none;
  background:rgba(50,58,98,0.7); border-radius:2px; outline:none; cursor:pointer;
}
#swing-slider::-webkit-slider-thumb {
  -webkit-appearance:none; width:14px; height:14px;
  border-radius:50%; background:#60d0ff; cursor:pointer;
}

/* ── Mobile nav dots (portrait) ── */
#mob-nav-dots {
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:14px;
  padding-right:4px;
  flex:1;
}

.mob-nav-dot {
  width:10px; height:10px;
  border-radius:50%;
  background:rgba(255,255,255,0.18);
  border:none;
  padding:0;
  cursor:pointer;
  transition:background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  -webkit-tap-highlight-color:transparent;
  flex-shrink:0;
  position:relative;
}
.mob-nav-dot::after {
  content:'';
  position:absolute;
  inset:-10px;
}
.mob-nav-dot.active {
  transform:scale(1.35);
}

/* ── Desktop instructions ── */
#instructions {
  position:absolute; top:10px; right:12px;
  font-size:10px; color:var(--c-dim);
  line-height:2; text-align:right;
  pointer-events:none;
}

/* ── Desktop bottom bar (export + fullscreen) ── */
#bottom-bar {
  pointer-events:all;
  position:absolute; bottom:10px; left:50%;
  transform:translateX(-50%);
  display:flex; justify-content:center; gap:12px; align-items:center;
}
#export-btn {
  padding:12px 28px; border-radius:10px;
  background:rgba(14,16,34,0.92);
  border:1px solid rgba(50,58,98,0.85);
  color:var(--c-dim);
  font-family:'Share Tech Mono', monospace;
  font-size:12px; letter-spacing:2px;
  cursor:pointer; transition:all 0.2s; white-space:nowrap;
}
#export-btn:hover { color:#b0b8e0; border-color:#6680bb; }
#export-btn.flash { color:#80ff98; border-color:#50dd70; background:rgba(8,28,12,0.95); }
#stop-btn {
  padding:12px 28px; border-radius:10px;
  background:rgba(14,16,34,0.92);
  border:1px solid rgba(140,40,40,0.6);
  color:rgba(220,80,80,0.7);
  font-family:'Share Tech Mono', monospace;
  font-size:12px; letter-spacing:2px;
  cursor:pointer; transition:all 0.2s; white-space:nowrap;
}
#stop-btn:hover  { color:rgba(255,100,100,0.95); border-color:rgba(220,60,60,0.9); }
#stop-btn:active { transform:scale(0.96); }
#stop-btn.active { color:#ff5050; border-color:#ff3030; background:rgba(40,8,8,0.95); }

/* ── Bank selector desktop ── */
#bank-selector {
  position:absolute;
  left:50%; transform:translateX(-50%);
  display:flex; align-items:center; gap:5px;
  pointer-events:all;
}
#bank-label {
  font-size:9px; letter-spacing:3px; color:var(--c-dim);
  margin-right:4px;
}
.bank-btn {
  padding:6px 11px; border-radius:7px;
  background:rgba(14,16,34,0.9);
  border:1px solid rgba(50,58,98,0.6);
  color:var(--c-dim);
  font-family:'Share Tech Mono', monospace;
  font-size:11px; letter-spacing:1px;
  cursor:pointer; transition:all 0.15s;
}
.bank-btn:hover { color:#aab; border-color:#556; }
.bank-btn.on {
  color:#c0d8ff; border-color:rgba(100,140,220,0.8);
  background:rgba(30,50,100,0.5);
}
.bank-btn:active { transform:scale(0.93); }

/* ── Bank selector mobile ── */
.mob-bank-row {
  display:flex; gap:8px;
}
.mob-bank-row .bank-btn {
  flex:1; padding:10px 0; border-radius:8px;
  text-align:center; font-size:12px; letter-spacing:1px;
}
.mob-bank-row .bank-btn.on {
  color:#c0d8ff; border-color:rgba(100,140,220,0.8);
  background:rgba(30,50,100,0.5);
  box-shadow:0 0 10px rgba(80,120,200,0.25);
}

/* ── B5 : bouton distinctif ── */
.bank-btn-b5 {
  border-color:rgba(160,80,220,0.5);
  color:rgba(180,100,255,0.75);
}
.bank-btn-b5:hover { color:rgba(210,140,255,0.95); border-color:rgba(180,100,255,0.8); }
.bank-btn-b5.on {
  color:#d8aaff; border-color:rgba(160,80,255,0.9);
  background:rgba(60,20,100,0.55);
  box-shadow:0 0 10px rgba(140,60,255,0.3);
}

/* ── Panel import custom samples (B5) — desktop only ── */
#b5-panel {
  position:absolute;
  left:50%; transform:translateX(-50%);
  background:rgba(9,10,22,0.96);
  border:1px solid rgba(140,60,255,0.35);
  border-radius:10px;
  padding:12px 16px 14px;
  min-width:260px;
  pointer-events:all;
  z-index:10;
}
.b5-title {
  font-size:9px; letter-spacing:3px; color:rgba(160,80,255,0.7);
  margin-bottom:10px; text-align:center;
}
.b5-row {
  display:flex; align-items:center; gap:10px;
  margin-bottom:8px;
}
.b5-row:last-child { margin-bottom:0; }
.b5-track-label {
  font-size:10px; letter-spacing:2px;
  width:44px; flex-shrink:0; text-align:right;
}
.b5-upload-btn {
  flex:1; display:flex; align-items:center; gap:8px;
  background:rgba(20,16,38,0.85);
  border:1px solid rgba(90,60,140,0.5);
  border-radius:6px;
  padding:5px 10px;
  cursor:pointer;
  transition:border-color 0.15s, background 0.15s;
  overflow:hidden;
}
.b5-upload-btn:hover {
  border-color:rgba(160,80,255,0.7);
  background:rgba(40,20,70,0.7);
}
.b5-upload-icon {
  font-size:12px; color:rgba(160,80,255,0.8); flex-shrink:0;
}
.b5-fname {
  font-size:9px; letter-spacing:1px; color:rgba(140,130,180,0.8);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  max-width:150px;
}
.b5-fname.loaded { color:rgba(180,220,255,0.9); }


/* ══════════════════════════════════════
   MOBILE PORTRAIT HEADER + FOOTER
══════════════════════════════════════ */
#mob-header {
  display:none;
  pointer-events:all;
  position:absolute; top:0; left:0; right:0; height:48px;
  padding:0 12px;
  align-items:center; justify-content:space-between; gap:12px;
  background:rgba(7,8,16,0.95);
  border-bottom:1px solid rgba(30,36,62,0.6);
  backdrop-filter:blur(10px);
  z-index:20;
}
#mob-bpm-ctrl {
  display:flex; align-items:center; gap:10px;
}
#mob-bpm-hdr {
  font-family:'Orbitron', monospace;
  font-size:22px; font-weight:900; color:#60d8ff;
  min-width:52px; text-align:center;
}
.mob-bpm-btn {
  padding:5px 14px; border-radius:7px;
  background:rgba(14,16,34,0.9);
  border:1px solid rgba(50,58,98,0.7);
  color:var(--c-dim);
  font-family:'Share Tech Mono', monospace; font-size:15px;
  cursor:pointer; transition:all 0.15s;
  user-select:none;
}
.mob-bpm-btn:active { background:rgba(30,36,80,0.9); transform:scale(0.93); }

#mob-btn {
  display:none;
  pointer-events:all;
  width:36px; height:36px; border-radius:50%;
  border:1px solid rgba(50,58,98,0.8);
  background:rgba(12,14,28,0.9);
  color:var(--c-dim); font-size:18px;
  cursor:pointer; align-items:center; justify-content:center;
  transition:all 0.2s;
}
#mob-btn:active { background:rgba(30,34,70,0.9); }

/* ── Mobile footer : Stop + Export côte à côte 50/50 ── */
#mob-footer {
  display:none; /* caché par défaut */
  pointer-events:all;
  position:absolute; bottom:0; left:0; right:0;
  height:56px;
  padding:8px 12px;
  gap:10px;
  align-items:stretch;
  background:rgba(7,8,16,0.97);
  border-top:1px solid rgba(30,36,62,0.7);
  backdrop-filter:blur(12px);
  z-index:20;
  box-sizing:border-box;
}

#mob-stop-footer,
#mob-export-footer {
  flex:1 1 0;      /* 0 = base de calcul, pas auto */
  width:0;         /* force le partage 50/50 */
  min-width:0;
  height:100%;
  border-radius:9px;
  font-family:'Share Tech Mono', monospace;
  font-size:13px;
  letter-spacing:1px;
  text-align:center;
  padding:0;
  cursor:pointer;
  transition:all 0.18s;
  box-sizing:border-box;
  border-width:1px;
  border-style:solid;
  -webkit-appearance:none;
  appearance:none;
}

#mob-stop-footer {
  background:rgba(20,8,8,0.9);
  border-color:rgba(160,40,40,0.8);
  color:rgba(230,80,80,0.9);
}
#mob-stop-footer:active { background:rgba(50,10,10,0.95); }
#mob-stop-footer.active { color:#ff5050; border-color:#ff3030; background:rgba(50,10,10,0.95); }

#mob-export-footer {
  background:rgba(12,16,36,0.9);
  border-color:rgba(50,58,98,0.8);
  color:var(--c-dim);
}
#mob-export-footer:active { opacity:0.75; }
#mob-export-footer.flash  { color:#80ff98; border-color:#50dd70; }

/* ══════════════════════════════════════
   MOBILE MENU PLEIN ÉCRAN
══════════════════════════════════════ */
#mob-menu {
  display:none;
  position:fixed; inset:0; z-index:500;
  background:rgba(7,8,15,0.97);
  backdrop-filter:blur(18px);
  flex-direction:column; align-items:center;
  padding:16px 20px 30px;
  overflow-y:auto; -webkit-overflow-scrolling:touch;
  gap:14px;
}
#mob-menu.open { display:flex; }

#mob-close {
  position:sticky; top:0; z-index:10;
  width:100%; max-width:420px;
  padding:11px 0; border-radius:9px;
  text-align:center;
  font-family:'Orbitron', monospace; font-size:10px; letter-spacing:3px;
  border:1px solid rgba(50,58,98,0.7); color:#8090cc;
  background:rgba(7,8,15,0.97);
  cursor:pointer; backdrop-filter:blur(8px);
  margin-bottom:4px;
}
#mob-close:active { opacity:0.75; }

.mob-section {
  width:100%; max-width:420px;
  display:flex; flex-direction:column; gap:8px;
  padding-top:8px; /* espace au-dessus de chaque section */
  border-top:1px solid rgba(40,46,82,0.25);
}
.mob-section:first-of-type { border-top:none; padding-top:0; }
.mob-title {
  font-family:'Orbitron', monospace; font-size:8px; letter-spacing:3px;
  color:rgba(100,110,160,0.5); text-transform:uppercase;
  padding-bottom:5px; border-bottom:1px solid rgba(40,46,82,0.4);
}
#mob-bpm-row {
  display:flex; align-items:center; justify-content:center; gap:14px;
}
#mob-bpm-val {
  font-family:'Orbitron', monospace; font-size:42px; font-weight:900; color:#60d0ff;
}
.mob-fx-track {
  display:flex; flex-direction:column; gap:0;
  padding:12px 14px; border-radius:10px;
  background:rgba(12,14,28,0.7); border:1px solid rgba(30,36,62,0.6);
}
.mob-fx-label { font-size:10px; letter-spacing:2px; font-weight:bold; margin-bottom:8px; }
/* Chaque slider sur sa propre ligne */
.mob-fx-row {
  display:flex; align-items:center; gap:12px;
  padding:10px 0;  /* espace vertical garanti entre lignes */
  border-bottom:1px solid rgba(30,36,62,0.3);
}
.mob-fx-row:last-child { border-bottom:none; padding-bottom:0; }
.mob-fx-name {
  font-size:10px; color:var(--c-dim);
  width:52px; flex-shrink:0;
  letter-spacing:1px;
}
.mob-fx-val {
  font-size:10px; color:var(--c-dim);
  width:36px; text-align:right; flex-shrink:0;
}
.mob-slider {
  -webkit-appearance:none; appearance:none;
  flex:1; height:8px; border-radius:4px;
  outline:none; cursor:pointer;
  background:rgba(30,36,62,0.8);
  touch-action:pan-x;
}
/* Thumb 26px : grand mais sans chevauchement */
.mob-slider::-webkit-slider-thumb {
  -webkit-appearance:none;
  width:26px; height:26px; border-radius:50%; cursor:pointer;
  box-shadow:0 1px 6px rgba(0,0,0,0.5);
  margin-top:-9px; /* centrage vertical sur la piste h:8px */
}
.mob-slider::-moz-range-thumb {
  width:26px; height:26px; border-radius:50%; border:none; cursor:pointer;
}
.mob-steps {
  display:grid; grid-template-columns:repeat(8,1fr); gap:5px;
}
.mob-step {
  aspect-ratio:1; border-radius:6px;
  background:rgba(18,21,42,0.9); border:1px solid rgba(30,36,62,0.7);
  cursor:pointer; transition:all 0.12s;
  display:flex; align-items:center; justify-content:center;
  font-size:8px;
}
.mob-step.on     { border-color:currentColor; }
.mob-step.playing{ background:white !important; color:#000 !important; }
.mob-step-row { display:flex; gap:6px; }
.mob-tool-btn {
  flex:1; padding:8px 0; border-radius:7px; text-align:center;
  font-family:'Orbitron', monospace; font-size:9px; letter-spacing:1px;
  border:1px solid rgba(50,58,98,0.5); color:var(--c-dim);
  background:rgba(14,16,34,0.8); cursor:pointer; transition:all 0.15s;
}
.mob-tool-btn:active { opacity:0.7; }
#mob-export {
  width:100%; max-width:420px; padding:12px 0;
  border-radius:9px; text-align:center;
  font-family:'Share Tech Mono', monospace; font-size:12px; letter-spacing:2px;
  border:1px solid rgba(50,58,98,0.6); color:var(--c-dim);
  background:rgba(14,16,34,0.9); cursor:pointer; transition:all 0.2s;
}
#mob-export.flash { color:#80ff98; border-color:#50dd70; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */

/* Mobile/tablette (< 1025px ou hauteur < 500px) */
@media (max-width:1024px), (max-height:500px) {
  #instructions { display:none; }
  #bpm-panel    { display:none; }
  #bottom-bar   { display:none; }
  /* mob-header et mob-footer restent cachés en landscape */
}

/* Portrait mobile/tablette (jusqu'à iPad Pro 13") — landscape exclu */
@media (max-width:1024px) and (orientation:portrait) {
  #mob-header { display:flex; }
  #mob-footer { display:flex; }
  /* En portrait, le BPM est dans le header — le cacher dans le menu */
  #mob-bpm-section { display:none; }
}

/* ══════════════════════════════════════
   OVERLAY ROTATION LANDSCAPE MOBILE
══════════════════════════════════════ */

#rotate-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 9999;
  background: rgb(7, 8, 16);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  text-align: center;
  padding: 24px;
}

#rotate-icon {
  font-size: 52px;
  animation: rotate-hint 2s ease-in-out infinite;
  display: inline-block;
  color: #60d0ff;
}

@keyframes rotate-hint {
  0%   { transform: rotate(0deg); }
  40%  { transform: rotate(90deg); }
  60%  { transform: rotate(90deg); }
  100% { transform: rotate(0deg); }
}

#rotate-msg {
  font-family: 'Orbitron', monospace;
  font-size: 16px; font-weight: 700;
  letter-spacing: 2px; color: #60d0ff;
}

#rotate-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px; color: var(--c-dim);
  max-width: 280px; line-height: 1.6;
}

/* Afficher uniquement sur téléphone en landscape (H < 600px exclut les tablettes) */
@media (max-width: 1024px) and (orientation: landscape) and (max-height: 599px) {
  #rotate-overlay { display: flex; }
}