/* ══ RESET ══════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}

/* ══ TOKENS ═════════════════════════════════════════════ */
:root{
  --bg:      #07090f;
  --s1:      #0d1119;
  --s2:      #111827;
  --s3:      #162032;
  --s4:      #1c2840;
  --border:  #1e2d42;
  --border2: #141e30;
  --text:    #cdd9ef;
  --sub:     #5a7090;
  --accent:  #3b82f6;
  --accent2: #93c5fd;
  --green:   #22c55e;
  --red:     #f43f5e;
  --amber:   #f59e0b;
  --r:       6px;
  --header-h:56px;
  --viewbar-h:52px;
  --transport-h:68px;
  --sidebar-w:188px;
  --key-w:60px;
  --note-h:7px;
  --ui-scale:1.12;
}
@media(max-width:639px){
  :root{--header-h:52px;--viewbar-h:48px;--transport-h:62px;--key-w:36px;--note-h:6px;--ui-scale:1.08}
}
@media(min-width:640px) and (max-width:1023px){
  :root{--viewbar-h:50px;--key-w:48px;--ui-scale:1.09}
}

/* ══ BASE ════════════════════════════════════════════════ */
body{
  font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',system-ui,sans-serif;
  font-size:calc(12px * var(--ui-scale));color:var(--text);background:var(--bg);
  display:flex;flex-direction:column;
  -webkit-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;
}

body.embed-mode{
  --header-h:0px;
}
body.embed-mode #header,
body.embed-mode #load-fab,
body.embed-mode #url-sheet,
body.embed-mode #url-sheet-bg,
body.embed-mode #file-input{
  display:none !important;
  visibility:hidden !important;
  pointer-events:none !important;
}

/* ══ HEADER ══════════════════════════════════════════════ */
#header{
  height:var(--header-h);background:var(--s1);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:8px;padding:0 12px;
  flex-shrink:0;z-index:100;
}
.logo{
  display:flex;align-items:center;gap:7px;
  font-weight:700;font-size:calc(13px * var(--ui-scale));white-space:nowrap;flex-shrink:0;
  letter-spacing:-.2px;
}
.h-sep{width:1px;height:20px;background:var(--border);flex-shrink:0}
.url-group{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
#url-input{
  flex:1;min-width:0;background:var(--s2);border:1px solid var(--border);
  color:var(--text);padding:7px 11px;border-radius:var(--r);font-size:calc(12px * var(--ui-scale));outline:none;
  transition:border-color .15s;
}
#url-input:focus{border-color:var(--accent)}
#url-input::placeholder{color:var(--sub)}
.btn{
  background:var(--s2);border:1px solid var(--border);color:var(--text);
  padding:0 12px;height:35px;border-radius:var(--r);cursor:pointer;
  font-size:calc(12.2px * var(--ui-scale));white-space:nowrap;display:flex;align-items:center;gap:6px;
  transition:background .12s;flex-shrink:0;touch-action:manipulation;
}
.btn:hover{background:var(--s3)}
.btn:active{background:var(--s4);transform:scale(.97)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn.primary:hover{filter:brightness(1.1)}
.zoom-group{display:flex;align-items:center;gap:4px;flex-shrink:0}
.transpose-group{
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.zbtn{
  width:32px;height:32px;border-radius:6px;background:var(--s2);
  border:1px solid var(--border);color:var(--text);font-size:17px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  touch-action:manipulation;transition:background .12s;
}
.zbtn:active{background:var(--s4)}
#zoom-lbl{font-size:11.6px;color:var(--sub);min-width:40px;text-align:center}
.transpose-readout{
  min-width:62px;
  height:32px;
  border-radius:7px;
  border:1px solid var(--border);
  background:rgba(12,19,30,.82);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:0 8px;
}
#transpose-val{
  font-size:13px;
  font-weight:700;
  color:var(--text);
  min-width:24px;
  text-align:center;
  letter-spacing:.01em;
}
#transpose-lbl{
  font-size:10.8px;
  color:var(--sub);
  min-width:14px;
  text-align:center;
  text-transform:lowercase;
}
.transpose-btn{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
}
.icon-btn{
  width:46px;height:46px;border-radius:var(--r);background:var(--s2);
  border:1px solid var(--border);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;transition:background .12s;
}
.icon-btn:active{background:var(--s4)}
@media(max-width:639px){
  .url-group,.h-sep.url-sep{display:none}
}
@media(min-width:640px) and (max-width:900px){
  #url-input{max-width:200px}
}

/* ══ MAIN ════════════════════════════════════════════════ */
#main{flex:1;display:flex;overflow:hidden;position:relative}

/* ══ SIDEBAR ═════════════════════════════════════════════ */
#sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--s1);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform .25s cubic-bezier(.4,0,.2,1);z-index:50;
}
#sidebar-resizer{
  width:10px;
  min-width:10px;
  max-width:10px;
  flex:0 0 10px;
  cursor:col-resize;
  position:relative;
  background:transparent;
  z-index:54;
}
#sidebar-resizer::before{
  content:'';
  position:absolute;
  top:8px;
  bottom:8px;
  left:4px;
  width:2px;
  border-radius:999px;
  background:rgba(34,47,70,.92);
  transition:background .14s, box-shadow .14s;
}
#sidebar-resizer:hover::before{
  background:rgba(59,130,246,.62);
  box-shadow:0 0 0 3px rgba(59,130,246,.14);
}
body.sidebar-resizing,
body.sidebar-resizing *{
  cursor:col-resize !important;
  -webkit-user-select:none !important;
  user-select:none !important;
}
@media(max-width:1023px){
  #sidebar{
    position:absolute;left:0;top:0;bottom:0;
    transform:translateX(-100%);
    box-shadow:6px 0 32px rgba(0,0,0,.55);
  }
  #sidebar.open{transform:translateX(0)}
  #sidebar-resizer{display:none}
}
#sb-backdrop{
  display:none;position:absolute;inset:0;z-index:49;
  background:rgba(7,9,15,.6);backdrop-filter:blur(3px);
}
@media(max-width:1023px){#sb-backdrop.show{display:block}}

.sb-hd{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px 8px 12px;border-bottom:1px solid var(--border);flex-shrink:0;
}
.sb-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.9px;color:var(--sub)}
.sb-close{
  width:26px;height:26px;border-radius:5px;background:transparent;
  border:none;color:var(--sub);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;touch-action:manipulation;
}
.sb-close:active{background:var(--s3)}

#track-list{flex:1;overflow-y:auto;overflow-x:hidden}
#track-list::-webkit-scrollbar{width:3px}
#track-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
#sidebar-sf-wrap{
  flex-shrink:0;
  border-top:1px solid var(--border2);
  padding:10px 12px;
  background:linear-gradient(180deg, rgba(17,24,39,.55), rgba(12,17,27,.72));
}

/* Track row */
.track-row{
  display:flex;align-items:center;height:42px;
  padding:0 10px 0 12px;gap:8px;
  border-bottom:1px solid var(--border2);
  transition:background .1s;
}
.track-row.active{background:rgba(59,130,246,.10)}
.track-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;transition:opacity .2s}
.track-label{
  flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:12.5px;color:var(--text);
}

/* SF status badge */
.sf-status{
  width:20px;height:20px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:4px;font-size:9px;
}
.sf-status.loading{color:var(--amber)}
.sf-status.ready  {color:var(--green)}
.sf-status.error  {color:var(--red)}
/* spinner inline */
@keyframes spin{to{transform:rotate(360deg)}}
.sf-spin{
  width:11px;height:11px;border-radius:50%;
  border:1.5px solid #f59e0b40;border-top-color:var(--amber);
  animation:spin .7s linear infinite;
  display:inline-block;
}

.mute-btn,.solo-btn{
  width:30px;height:30px;border-radius:5px;
  background:transparent;border:1px solid var(--border);
  color:var(--sub);font-size:10px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;touch-action:manipulation;flex-shrink:0;
  transition:all .12s;
}
.mute-btn:active,.mute-btn:hover{border-color:var(--red);color:var(--red)}
.mute-btn.on{background:var(--red);border-color:var(--red);color:#fff}
.solo-btn{font-size:11px;letter-spacing:.02em}
.solo-btn:active,.solo-btn:hover{border-color:var(--amber);color:var(--amber)}
.solo-btn.on{background:var(--amber);border-color:var(--amber);color:#09111e}

#track-mix-panel{
  margin-top:8px;padding-top:8px;
  border-top:1px solid var(--border2);
  display:none;flex-direction:column;gap:6px;
}
#track-mix-panel.show{display:flex}
#mix-track-name{
  font-size:11px;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mix-row{
  display:grid;
  grid-template-columns:24px 1fr 36px;
  align-items:center;
  gap:6px;
}
.mix-k{
  font-size:10px;
  color:var(--sub);
  text-transform:uppercase;
  letter-spacing:.04em;
}
.mix-v{
  font-size:10px;
  color:var(--sub);
  text-align:right;
}
#mix-vol,#mix-pan{
  width:100%;
  accent-color:var(--accent);
}

/* ══ ROLL AREA ═══════════════════════════════════════════ */
#roll-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}

#ruler-row{
  display:flex;height:28px;flex-shrink:0;
  border-bottom:1px solid var(--border);
}
#ruler-offset{
  width:var(--key-w);flex-shrink:0;
  background:var(--s1);border-right:1px solid var(--border);
}
#ruler-scroll{flex:1;overflow:hidden;background:var(--s1);position:relative;min-width:0}
#ruler-canvas{display:block;position:absolute;left:0;top:0}

#content-row{flex:1;display:flex;overflow:hidden}
#piano-pane{width:var(--key-w);overflow:hidden;flex-shrink:0}
#piano-canvas{display:block}

#roll-pane{
  flex:1;overflow:auto;position:relative;
  -webkit-overflow-scrolling:touch;overscroll-behavior:contain;
}
#roll-pane::-webkit-scrollbar{height:4px;width:4px}
#roll-pane::-webkit-scrollbar-track{background:var(--bg)}
#roll-pane::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
/* Roll ghost : crée l'espace de scroll sans toucher le canvas */
#roll-ghost{
  position:absolute;top:0;left:0;height:1px;pointer-events:none;
}
#roll-canvas{
  display:block;touch-action:none;
  position:sticky;left:0;z-index:1;
}

#playhead{
  position:absolute;top:0;width:2px;background:var(--red);
  pointer-events:none;z-index:20;display:none;will-change:left;
  box-shadow:0 0 12px rgba(244,63,94,.5);
}
body.loop-edit-on #playhead{opacity:.45}

#roll-select-box{
  position:absolute;left:0;top:0;width:0;height:0;
  display:none;pointer-events:none;z-index:22;
  border:1px solid rgba(59,130,246,.75);
  background:rgba(59,130,246,.15);
  box-shadow:inset 0 0 0 1px rgba(130,170,255,.22);
}

/* Zone de loop éditable dans la vue notes */
#loop-roll-range{
  position:absolute;top:0;height:100%;left:0;width:0;
  display:none;pointer-events:none;z-index:15;
  background:rgba(59,130,246,.11);
  border-left:1px solid rgba(59,130,246,.45);
  border-right:1px solid rgba(34,197,94,.45);
}
.loop-roll-marker{
  position:absolute;top:0;height:100%;width:2px;
  display:none;z-index:24;cursor:ew-resize;
  touch-action:none;
}
#loop-roll-a{background:rgba(59,130,246,.88);box-shadow:0 0 8px rgba(59,130,246,.32)}
#loop-roll-b{background:rgba(34,197,94,.88);box-shadow:0 0 8px rgba(34,197,94,.32)}
.loop-grab{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:24px;height:24px;border-radius:50%;
  border:1px solid rgba(59,130,246,.6);
  background:rgba(10,16,27,.92);
  color:#cfe1ff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 3px 12px rgba(0,0,0,.42);
  pointer-events:auto;
  touch-action:none;
}
.loop-grab svg{
  width:15px;height:15px;display:block;overflow:visible;
  filter:drop-shadow(0 0 1px rgba(0,0,0,.55));
}
.loop-grab path{
  stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;fill:none;
}
#loop-roll-b .loop-grab{
  border-color:rgba(34,197,94,.6);
  color:#cbf7de;
}
#loop-roll-close{
  position:absolute;left:0;top:50%;
  transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(10,16,27,.86);
  color:#eff6ff;
  display:none;align-items:center;justify-content:center;
  z-index:26;cursor:pointer;touch-action:manipulation;
  box-shadow:0 10px 28px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(3px);
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
}
#loop-roll-close:hover{
  background:rgba(17,24,39,.95);
  border-color:rgba(248,250,252,.35);
}
#loop-roll-close:active{transform:translate(-50%,-50%) scale(.95)}
#loop-roll-close svg{
  width:20px;height:20px;display:block;overflow:visible;
  filter:drop-shadow(0 1px 1px rgba(0,0,0,.5));
}
#loop-roll-close path{
  stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;fill:none;
}

/* ══ TRANSPORT ═══════════════════════════════════════════ */
#transport{
  height:var(--transport-h);background:var(--s1);
  border-top:1px solid var(--border);
  display:flex;align-items:center;gap:10px;padding:0 14px;
  flex-shrink:0;z-index:100;
}
.t-play{
  width:50px;height:50px;border-radius:50%;
  background:var(--accent);border:none;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;
  transition:transform .12s,opacity .12s,background .2s;
  box-shadow:0 0 18px rgba(59,130,246,.28);
  position:relative;overflow:hidden;
}
.t-play:active{transform:scale(.92)}
.t-play:disabled{background:var(--s3);box-shadow:none;cursor:not-allowed}
.t-play svg{fill:#fff;position:relative;z-index:1;width:15px;height:15px}

/* Readiness ring around play button */
#play-ring{
  position:absolute;inset:-3px;border-radius:50%;
  border:2px solid transparent;
  background:conic-gradient(var(--green) var(--ring-pct,0%), transparent var(--ring-pct,0%));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
  transition:--ring-pct .3s ease;
  pointer-events:none;
}

.t-stop{
  width:42px;height:42px;border-radius:50%;
  background:var(--s2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;transition:background .12s;
}
.t-stop:active{background:var(--s4)}
.t-stop svg{fill:var(--text)}
#time-display{
  font-family:'SF Mono','Cascadia Code','Fira Code',ui-monospace,monospace;
  font-size:13.8px;color:var(--text);letter-spacing:.3px;
  min-width:116px;flex-shrink:0;
}
@media(max-width:400px){#time-display{min-width:88px;font-size:10.5px}}

/* Seek */
#seek-wrap{
  flex:1;min-width:60px;padding:12px 0;
  cursor:pointer;touch-action:none;
}
#seek-track{width:100%;height:5px;background:var(--s3);border-radius:3px;position:relative}
#seek-fill{height:100%;background:var(--accent);border-radius:2px;width:0%}
#seek-knob{
  position:absolute;top:50%;left:0%;
  width:16px;height:16px;border-radius:50%;
  background:#fff;transform:translate(-50%,-50%);
  box-shadow:0 1px 6px rgba(0,0,0,.6);pointer-events:none;
  transition:transform .1s;
}
#seek-wrap:active #seek-knob{transform:translate(-50%,-50%) scale(1.3)}

/* Loading seek overlay (shows SF load progress over seek track) */
#sf-load-bar{
  position:absolute;top:0;left:0;height:100%;
  background:rgba(245,158,11,.18);border-radius:2px;
  width:0%;pointer-events:none;transition:width .3s ease;
}
#loop-range{
  position:absolute;top:0;left:0;height:100%;
  background:rgba(59,130,246,.14);border-radius:2px;
  width:0%;display:none;pointer-events:none;
}
.loop-marker{
  position:absolute;top:50%;width:2px;height:14px;
  border-radius:1px;background:rgba(59,130,246,.9);
  box-shadow:0 0 6px rgba(59,130,246,.45);
  transform:translate(-1px,-50%);
  display:none;cursor:ew-resize;touch-action:none;pointer-events:auto;z-index:9;
}
.loop-handle{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:20px;height:20px;border-radius:50%;
  border:1px solid rgba(59,130,246,.55);
  background:rgba(10,16,27,.9);
  color:#cfe1ff;
  display:flex;align-items:center;justify-content:center;
}
.loop-handle svg{
  width:13px;height:13px;display:block;overflow:visible;
  filter:drop-shadow(0 0 1px rgba(0,0,0,.55));
}
.loop-handle path{
  stroke:currentColor;stroke-width:2.25;stroke-linecap:round;stroke-linejoin:round;fill:none;
}
#loop-b-marker{
  background:rgba(34,197,94,.9);
  box-shadow:0 0 6px rgba(34,197,94,.45);
}
#loop-b-marker .loop-handle{
  border-color:rgba(34,197,94,.55);
  color:#cbf7de;
}

/* ── BPM + Speed control ─────────────────────────────── */
#bpm-speed-wrap{
  display:flex;align-items:center;gap:2px;flex-shrink:0;
}
.t-meta{display:flex;flex-direction:column;gap:1px;flex-shrink:0;min-width:64px;}
.t-meta span{font-size:11.6px;color:var(--sub);text-align:center}
@media(max-width:560px){#top-controls #bpm-speed-wrap{display:none}}
#sf-global-status{font-size:11px;line-height:1.25;display:block;transition:color .3s}
#sf-global-status.loading{color:var(--amber)}
#sf-global-status.ready  {color:var(--green)}

/* ── Header controls ───────────────────────────────────── */
#top-controls{
  display:flex;align-items:center;gap:6px;flex-shrink:0;
}
#snap-wrap{display:flex;align-items:center;flex-shrink:0}
#snap-select{
  height:37px;min-width:84px;
  border-radius:8px;border:1px solid var(--border);
  background:var(--s2);color:var(--text);
  font-size:11.8px;font-weight:600;
  padding:0 24px 0 10px;
  cursor:pointer;touch-action:manipulation;
}
#snap-select:hover{background:var(--s3)}
body.syn-mode #snap-wrap{opacity:.42}
body.syn-mode #snap-wrap select{opacity:.86}
#save-state{
  display:none;
  min-width:90px;
  max-width:170px;
  font-size:10px;
  line-height:1.15;
  text-align:right;
  color:var(--sub);
  opacity:.95;
  user-select:none;
  align-items:center;
  justify-content:flex-end;
  gap:5px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  font-weight:600;
}
#save-state::before{
  content:'';
  width:7px;height:7px;border-radius:50%;
  background:rgba(148,163,184,.72);
  box-shadow:0 0 0 1px rgba(148,163,184,.18);
  flex-shrink:0;
}
#save-state.show{display:inline-flex}
#save-state.saving{color:var(--amber)}
#save-state.saving::before{
  background:var(--amber);
  box-shadow:0 0 0 1px rgba(245,158,11,.22), 0 0 9px rgba(245,158,11,.35);
  animation:savePulse 1s ease-in-out infinite;
}
#save-state.saved{color:var(--green)}
#save-state.saved::before{
  background:var(--green);
  box-shadow:0 0 0 1px rgba(34,197,94,.2), 0 0 9px rgba(34,197,94,.30);
}
#save-state.error{color:var(--red)}
#save-state.error::before{
  background:var(--red);
  box-shadow:0 0 0 1px rgba(239,68,68,.24), 0 0 10px rgba(239,68,68,.32);
}
@keyframes savePulse{
  0%,100%{transform:scale(1);opacity:.9}
  50%{transform:scale(1.15);opacity:1}
}
#loop-btn{
  height:37px;padding:0 13px;border-radius:8px;
  background:var(--s2);border:1px solid var(--border);
  color:var(--sub);font-size:12.3px;font-weight:700;letter-spacing:.01em;
  display:flex;align-items:center;justify-content:center;gap:6px;
  cursor:pointer;touch-action:manipulation;flex-shrink:0;
  transition:background .12s,border-color .12s,color .12s;
}
#loop-btn:hover{background:var(--s3);color:var(--text)}
#loop-btn:active{background:var(--s4)}
#loop-btn.on{
  border-color:var(--accent);
  background:rgba(59,130,246,.18);
  color:#d9e7ff;
}
#loop-btn::before{
  content:'↺';
  font-size:13.5px;line-height:1;
}
@media(max-width:900px){
  #top-controls{gap:4px}
  #top-controls .t-meta{min-width:56px}
}
@media(max-width:760px){
  #top-controls #bpm-speed-wrap{display:none}
  #save-state{
    display:block;
    min-width:0;
    max-width:118px;
    font-size:9px;
  }
  #top-controls #snap-wrap{display:none}
}

/* ── Fullscreen button ───────────────────────────────── */
#fs-btn{
  width:37px;height:37px;border-radius:var(--r);
  background:var(--s2);border:1px solid var(--border);
  color:var(--sub);display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;
  transition:background .12s,border-color .12s,color .12s;
}
#fs-btn:hover{background:var(--s3);color:var(--text)}
#fs-btn:active{background:var(--s4)}
/* En fullscreen, le bouton est légèrement plus visible */
:fullscreen #fs-btn,
:-webkit-full-screen #fs-btn{
  border-color:var(--accent);color:var(--text);
}
#vol-wrap{position:relative;flex-shrink:0;}
#vol-btn{
  width:37px;height:37px;border-radius:var(--r);
  background:var(--s2);border:1px solid var(--border);
  color:var(--sub);display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;
  transition:background .12s,border-color .12s,color .12s;
}
#vol-btn:hover{background:var(--s3);color:var(--text)}
#vol-btn.active{background:var(--s3);border-color:var(--accent);color:var(--text)}
#vol-popover{
  display:none;
  position:absolute;bottom:calc(100% + 8px);right:0;
  background:var(--s1);border:1px solid var(--border);
  border-radius:var(--r);padding:10px 10px 8px;
  flex-direction:column;align-items:center;gap:6px;
  box-shadow:0 4px 24px rgba(0,0,0,.45);z-index:200;width:44px;
}
#vol-popover.show{display:flex}
/* Curseur vertical */
#vol-slider{
  -webkit-appearance:slider-vertical;appearance:slider-vertical;
  writing-mode:vertical-lr;direction:rtl;
  width:4px;height:80px;cursor:pointer;
  accent-color:var(--accent);outline:none;
}
/* Fallback webkit (Chrome/Safari n'honorent pas slider-vertical) */
@supports (-webkit-appearance:none){
  #vol-slider{
    -webkit-appearance:none;appearance:none;
    width:4px;height:80px;
    background:var(--s3);border-radius:2px;
    writing-mode:vertical-lr;direction:rtl;
  }
  #vol-slider::-webkit-slider-thumb{
    -webkit-appearance:none;width:13px;height:13px;
    border-radius:50%;background:var(--text);cursor:pointer;
    margin-left:-4.5px;
  }
}
#vol-pct{font-size:9.5px;color:var(--sub);letter-spacing:.01em}
@media(max-width:480px){#vol-wrap{display:none}}

.spd-btn{
  width:30px;height:30px;border-radius:5px;
  background:transparent;border:none;
  color:var(--sub);display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:17px;line-height:1;flex-shrink:0;
  transition:color .1s,background .1s;touch-action:manipulation;
}
.spd-btn:hover{ color:var(--text);background:var(--s3); }
.spd-btn:active{ transform:scale(.88); }

/* Zoom mobile */
#zoom-mobile{display:none;gap:4px;align-items:center;flex-shrink:0}
.zm-btn{
  width:38px;height:38px;border-radius:var(--r);
  background:var(--s2);border:1px solid var(--border);
  font-size:17px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;touch-action:manipulation;transition:background .12s;color:var(--text);
}
.zm-btn:active{background:var(--s4)}

/* FABs */
#tracks-fab{
  display:none;position:absolute;right:12px;
  bottom:calc(var(--transport-h) + 12px);
  width:46px;height:46px;border-radius:50%;z-index:620;
  background:var(--s2);border:1px solid var(--border);
  align-items:center;justify-content:center;font-size:18px;
  cursor:pointer;touch-action:manipulation;
  box-shadow:0 4px 16px rgba(0,0,0,.4);transition:background .12s,transform .12s;
}
#tracks-fab:active{transform:scale(.92)}
@media(max-width:1023px){#tracks-fab{display:none !important}}

#load-fab{
  display:none;position:absolute;left:12px;
  bottom:calc(var(--transport-h) + 12px);
  height:44px;padding:0 16px;border-radius:22px;z-index:620;
  background:var(--accent);border:none;color:#fff;
  font-size:13.4px;font-weight:600;
  align-items:center;gap:6px;cursor:pointer;touch-action:manipulation;
  box-shadow:0 4px 16px rgba(59,130,246,.3);transition:opacity .12s,transform .12s;
}
#load-fab:active{transform:scale(.95)}
@media(max-width:639px){#load-fab{display:flex}}

/* ══ EMPTY STATE ═════════════════════════════════════════ */
#empty{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;pointer-events:none;
}
.empty-icon{font-size:48px;opacity:.15}
.empty-t{color:var(--sub);font-size:15px;font-weight:500}
.empty-s{color:var(--sub);font-size:12px;opacity:.6}
@media(max-width:639px){.empty-s{display:none}}

/* ══ OVERLAY ═════════════════════════════════════════════ */
#overlay{
  position:fixed;inset:0;background:rgba(7,9,15,.94);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;z-index:9999;
}
#overlay.hidden{display:none}
.ov-spinner{
  width:38px;height:38px;border:2.5px solid var(--border);
  border-top-color:var(--accent);border-radius:50%;
  animation:spin .75s linear infinite;
}
#ov-text{color:var(--sub);font-size:14px;text-align:center;line-height:1.6}
#ov-phase{font-size:12px;color:var(--sub);opacity:.6;text-align:center}
.ov-bar{width:220px;height:3px;background:var(--s3);border-radius:2px;overflow:hidden}
.ov-fill{height:100%;background:var(--accent);border-radius:2px;width:0%;transition:width .35s ease}

/* ══ MOBILE SHEET ════════════════════════════════════════ */
#url-sheet{
  display:none;position:fixed;inset:0;z-index:200;
  flex-direction:column;justify-content:flex-end;
}
#url-sheet.show{display:flex}
#url-sheet-bg{
  position:absolute;inset:0;background:rgba(7,9,15,.75);backdrop-filter:blur(4px);
}
#url-sheet-content{
  position:relative;background:var(--s1);
  border-radius:16px 16px 0 0;border-top:1px solid var(--border);
  padding:16px 16px 32px;display:flex;flex-direction:column;gap:10px;
}
.sheet-title{font-size:13px;font-weight:700;color:var(--text)}
#sheet-url-input{
  width:100%;background:var(--s2);border:1px solid var(--border);
  color:var(--text);padding:10px 12px;border-radius:var(--r);
  font-size:14px;outline:none;
}
#sheet-url-input:focus{border-color:var(--accent)}
.sheet-row{display:flex;gap:8px}
.sheet-btn{
  flex:1;height:44px;border-radius:var(--r);
  background:var(--s2);border:1px solid var(--border);
  color:var(--text);font-size:13px;display:flex;
  align-items:center;justify-content:center;gap:6px;
  cursor:pointer;touch-action:manipulation;
}
.sheet-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.sheet-btn:active{opacity:.8}

/* Speed control */
/* Métronome */
#metro-btn{
  width:37px;height:37px;border-radius:var(--r);
  background:var(--s2);border:1px solid var(--border);
  color:var(--sub);display:flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;touch-action:manipulation;
  transition:background .12s,border-color .12s,color .12s;
  font-size:16.5px;position:relative;
}
#metro-btn:hover{border-color:#2e3f5e;color:var(--text)}
#metro-btn.on{
  background:rgba(59,130,246,.18);
  border-color:var(--accent);color:var(--accent2);
}
/* Petit point pulsant quand le métronome est actif */
#metro-btn.on::after{
  content:'';position:absolute;top:5px;right:5px;
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);
  animation:metro-pulse .3s ease-out;
}
@keyframes metro-pulse{
  0%{transform:scale(1.8);opacity:1}
  100%{transform:scale(1);opacity:1}
}
/* En menu Tools, le métronome reste accessible sur toutes tailles d'écran. */
.view-sw{
  display:flex;align-items:center;gap:2px;flex-shrink:0;
  background:rgba(15,22,34,.9);border:1px solid #23344f;
  border-radius:10px;padding:4px;
  box-shadow:0 6px 18px rgba(0,0,0,.28);
}
.vbtn{
  height:32px;padding:0 13px;border-radius:8px;
  background:transparent;border:none;color:var(--sub);
  font-size:12.4px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;gap:5px;
  transition:background .18s,color .18s;white-space:nowrap;touch-action:manipulation;
}
.vbtn:hover{color:var(--text)}
.vbtn.active{
  background:linear-gradient(180deg, rgba(59,130,246,.24), rgba(59,130,246,.14));
  color:#e8f1ff;
  border:1px solid rgba(59,130,246,.38);
}

#view-mode-bar{
  height:52px;flex-shrink:0;position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:8px;
  padding:0 12px;
  background:linear-gradient(180deg, rgba(12,17,27,.96), rgba(10,14,22,.96));
  border-bottom:1px solid var(--border2);
  z-index:96;
  overflow:visible;
}
#view-mode-left{
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:flex-start;
}
.view-sw{
  position:relative;
  z-index:1;
  justify-self:center;
  flex-shrink:0;
}
#view-mode-right{
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:6px;
  z-index:2;
}
#view-mode-right #loop-btn{
  height:34px;
  padding:0 11px;
  border-radius:9px;
  font-size:11.8px;
}
#view-mode-right #metro-btn{
  width:34px;
  height:34px;
  border-radius:9px;
}
#undo-btn,
#redo-btn,
#view-tools-btn,
#tracks-hdr-btn,
#help-btn{
  width:36px;
  height:36px;
  border-radius:9px;
}
#undo-btn,
#redo-btn{
  color:var(--sub);
}
#tools-dock-toggle-btn{
  display:none;
  color:var(--sub);
}
#undo-btn:hover:not(:disabled),
#redo-btn:hover:not(:disabled){
  color:var(--text);
}
#tools-dock-toggle-btn:hover{
  color:var(--text);
}
#tools-dock-toggle-btn.active{
  border-color:var(--accent);
  color:#e8f1ff;
  background:linear-gradient(180deg, rgba(59,130,246,.24), rgba(59,130,246,.14));
}
#undo-btn:disabled,
#redo-btn:disabled{
  opacity:.48;
  cursor:not-allowed;
  filter:saturate(.72);
}
#view-tools-btn{
  color:var(--sub);
}
#view-tools-btn.active,
#view-tools-btn:hover{
  color:var(--text);
}
#view-tools-popover{
  position:absolute;
  top:calc(100% + 8px);
  right:12px;
  z-index:230;
  width:min(380px, calc(100vw - 24px));
  max-width:calc(100vw - 24px);
  max-height:min(76vh, 680px);
  padding:10px;
  border:1px solid var(--border);
  border-radius:12px;
  background:rgba(10,15,24,.985);
  box-shadow:0 14px 34px rgba(0,0,0,.52);
  display:none;
  overflow:auto;
  scrollbar-width:thin;
}
#view-tools-popover.show{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.vm-tools-header{
  padding:4px 2px 8px;
  display:flex;
  align-items:flex-start;
  gap:8px;
  justify-content:space-between;
}
.vm-tools-header-copy{
  min-width:0;
  flex:1;
}
#view-tools-close-btn{
  width:30px;
  height:30px;
  border-radius:8px;
  border:1px solid #2a3b56;
  background:rgba(15,23,35,.9);
  color:#9eb8da;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex-shrink:0;
  transition:background .12s,border-color .12s,color .12s;
}
#view-tools-close-btn:hover{
  border-color:#3b82f6;
  color:#e3eeff;
  background:rgba(24,35,52,.95);
}
#tools-menu-title{
  font-size:13.6px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
}
#tools-menu-subtitle{
  margin:4px 0 0;
  font-size:11.2px;
  line-height:1.35;
  color:var(--sub);
}
.vm-tools-section{
  border:1px solid #22334c;
  border-radius:11px;
  background:linear-gradient(180deg, rgba(15,22,34,.9), rgba(12,18,28,.9));
  padding:8px;
}
.vm-tools-mobile-only{display:none}
.vm-tools-section-head{
  display:flex;
  align-items:flex-start;
  gap:8px;
}
.vm-tools-ic{
  width:28px;
  height:28px;
  border-radius:8px;
  border:1px solid #2b3f5e;
  background:rgba(17,27,41,.92);
  color:#9dc4ff;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.vm-tools-copy{
  min-width:0;
  flex:1;
}
.vm-tools-title{
  margin:0;
  font-size:12.3px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.01em;
}
.vm-tools-sub{
  margin:2px 0 0;
  font-size:10.9px;
  line-height:1.33;
  color:#8fa6c8;
}
.vm-tools-section-body{
  margin-top:8px;
  padding-left:36px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}
.vm-tools-section .transpose-group,
.vm-tools-section .zoom-group{
  padding:4px;
  border-radius:10px;
  border:1px solid #2b3f5e;
  background:rgba(13,20,32,.88);
}
.vm-tools-section #snap-wrap{
  width:100%;
  max-width:230px;
}
.vm-tools-section #snap-select{
  width:100%;
  height:34px;
}
.vm-tools-section #bpm-speed-wrap{margin-left:0}
.vm-tools-section .spd-btn{height:33px}
.vm-tools-section #bpm-lbl{font-size:11.2px}
.vm-tools-history-group{
  display:flex;
  align-items:center;
  gap:8px;
}
.vm-tools-history-group .zbtn{
  font-size:0;
}
.vm-tools-history-group .zbtn svg{
  width:14px;
  height:14px;
}
.vm-tools-toggle{
  height:33px;
  min-width:94px;
  padding:0 12px;
  border-radius:9px;
  border:1px solid #304766;
  background:rgba(15,23,35,.9);
  color:var(--sub);
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .12s,border-color .12s,color .12s;
}
.vm-tools-toggle:hover{
  border-color:#3b82f6;
  background:rgba(24,35,52,.95);
  color:#e3eeff;
}
.vm-tools-toggle.on{
  border-color:var(--accent);
  background:rgba(59,130,246,.19);
  color:#d9e7ff;
}
#view-mode-right .vm-sep{display:none !important}
#view-mode-right .zoom-sep{display:none !important}
#view-mode-right .zoom-group{display:none !important}
#view-mode-right #top-controls{display:none !important}
#view-mode-right #transpose-group{display:none !important}
#view-mode-right #tracks-hdr-btn{display:none !important}
#view-mode-right::-webkit-scrollbar{display:none}
#view-mode-right > *{flex-shrink:0}

@media(max-width:1023px){
  #view-mode-bar{
    z-index:45;
  }
  .vm-tools-mobile-only{display:block}
  #view-tools-popover{
    right:8px;
    width:min(380px, calc(100vw - 16px));
    max-width:calc(100vw - 16px);
  }
  #view-mode-right #loop-btn,
  #view-mode-right #metro-btn{
    display:none !important;
  }
}
@media(max-width:900px){
  #view-mode-bar{
    height:50px;
    gap:6px;
    padding:0 8px;
  }
  .vbtn{
    height:30px;
    padding:0 10px;
    font-size:11.8px;
  }
  .vbtn svg{display:none}
  #view-mode-right{
    gap:5px;
  }
  #view-mode-right #loop-btn{
    padding:0 9px;
    font-size:11.2px;
  }
  #view-tools-popover{
    right:8px;
    left:8px;
    width:auto;
    max-width:none;
  }
  #view-tools-popover{
    max-height:min(70vh, 560px);
  }
  .vm-tools-section{
    padding:7px;
  }
  .vm-tools-section-body{
    padding-left:0;
    flex-wrap:wrap;
    margin-top:7px;
  }
  .vm-tools-section #snap-wrap{
    max-width:none;
  }
}
@media(max-width:639px){
  #view-tools-popover.mobile-dock{
    display:flex;
    position:absolute;
    top:calc(100% + 6px);
    left:6px;
    right:6px;
    width:auto;
    max-width:none;
    max-height:none;
    padding:6px;
    gap:6px;
    overflow-x:auto;
    overflow-y:hidden;
    scrollbar-width:none;
    -ms-overflow-style:none;
    touch-action:pan-x;
  }
  #view-tools-popover.mobile-dock.mobile-dock-hidden{
    display:none !important;
  }
  #view-tools-popover.mobile-dock::-webkit-scrollbar{
    display:none;
  }
  #view-tools-popover.mobile-dock .vm-tools-header{
    display:none;
  }
  #view-tools-popover.mobile-dock .vm-tools-section{
    flex:0 0 auto;
    width:168px;
    min-height:76px;
    padding:7px;
    border-radius:10px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section-head{
    gap:6px;
  }
  #view-tools-popover.mobile-dock .vm-tools-ic{
    width:24px;
    height:24px;
    border-radius:7px;
  }
  #view-tools-popover.mobile-dock .vm-tools-title{
    font-size:11.4px;
  }
  #view-tools-popover.mobile-dock .vm-tools-sub{
    display:none;
  }
  #view-tools-popover.mobile-dock .vm-tools-section-body{
    margin-top:6px;
    padding-left:0;
    gap:6px;
    flex-wrap:nowrap;
  }
  #view-tools-popover.mobile-dock .vm-tools-section .transpose-group,
  #view-tools-popover.mobile-dock .vm-tools-section .zoom-group{
    padding:3px;
    border-radius:9px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section #snap-wrap{
    width:148px;
    max-width:none;
  }
  #view-tools-popover.mobile-dock .vm-tools-section #snap-select{
    height:30px;
    font-size:11.4px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section #bpm-speed-wrap{
    gap:5px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section .spd-btn{
    height:30px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section #bpm-lbl{
    font-size:10.8px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section .zbtn{
    height:30px;
    min-width:30px;
  }
  #view-tools-popover.mobile-dock .vm-tools-section .transpose-readout{
    min-width:52px;
    height:30px;
    padding:0 6px;
  }
  #view-tools-popover.mobile-dock .vm-tools-history-group{
    gap:6px;
  }
  #view-tools-popover.mobile-dock .vm-tools-toggle{
    height:30px;
    min-width:88px;
    padding:0 10px;
    font-size:11px;
  }
  #view-mode-bar{
    height:48px;
    grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
    justify-content:normal;
  }
  #view-mode-left,
  #view-mode-right{
    min-width:max-content;
  }
  #undo-btn,
  #redo-btn,
  #tracks-hdr-btn,
  #tools-dock-toggle-btn,
  #help-btn{
    width:34px;
    height:34px;
  }
  #undo-btn,
  #redo-btn{
    display:none !important;
  }
  #view-tools-btn{
    display:none !important;
  }
  #tools-dock-toggle-btn{
    display:flex !important;
  }
  #view-mode-right{
    gap:4px;
  }
  #view-mode-right #loop-btn{
    width:34px;
    padding:0;
    font-size:0;
  }
  #view-mode-right #loop-btn::before{
    font-size:13.5px;
  }
  #view-tools-popover{
    top:calc(100% + 6px);
    right:6px;
    left:6px;
    width:auto;
    padding:8px;
    max-height:min(72vh, 520px);
  }
  .vm-tools-header{
    padding:2px 1px 6px;
  }
  #view-tools-popover .transpose-readout{
    min-width:58px;
    padding:0 7px;
  }
  .vm-tools-ic{
    width:26px;
    height:26px;
  }
  .vm-tools-title{font-size:12px}
  .vm-tools-sub{font-size:10.6px}
  #save-state{display:none !important}
}
@media(max-width:360px){
  #view-mode-bar{
    gap:4px;
    padding:0 6px;
  }
  .view-sw{
    padding:3px;
    gap:1px;
  }
  .vbtn{
    height:28px;
    width:30px;
    padding:0;
    font-size:10.6px;
  }
  .vbtn svg{
    display:block;
  }
  .view-sw .vlbl{
    display:none;
  }
  #view-mode-right{
    gap:2px;
  }
  #view-mode-right #loop-btn,
  #view-mode-right #metro-btn,
  #undo-btn,
  #redo-btn,
  #tracks-hdr-btn,
  #tools-dock-toggle-btn,
  #view-tools-btn,
  #help-btn{
    width:30px;
    height:30px;
    border-radius:8px;
  }
  #view-mode-right #loop-btn{
    font-size:0;
    padding:0;
  }
  #view-mode-right #metro-btn{
    display:none !important;
  }
}

#syn-area{
  flex:1;position:relative;overflow:hidden;display:none;min-width:0;
  background:var(--bg);
}
#syn-area.show{display:block}
#syn-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:default;touch-action:none}
#syn-perf-badge{
  position:absolute;
  top:10px;
  right:12px;
  z-index:62;
  display:none;
  pointer-events:none;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(250,204,21,.28);
  background:rgba(10,14,22,.74);
  color:#fef3c7;
  font-size:10px;
  line-height:1;
  letter-spacing:.02em;
  font-weight:600;
  backdrop-filter:blur(2px);
}
#syn-perf-badge.show{display:inline-flex;align-items:center}
#syn-perf-badge.off{
  border-color:rgba(251,146,60,.32);
  color:#fed7aa;
}
#syn-loop-handles{
  position:absolute;inset:0;display:none;z-index:58;pointer-events:none;
}
.syn-loop-handle{
  position:absolute;
  width:24px;height:24px;border-radius:999px;
  border:1px solid rgba(148,163,184,.35);
  background:rgba(9,14,22,.86);
  color:#e8f0ff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.08);
  transform:translate(-50%,-50%);
  pointer-events:auto;touch-action:none;cursor:ns-resize;
  transition:background .12s, border-color .12s, transform .12s;
}
.syn-loop-handle:hover{
  background:rgba(16,23,36,.95);
  border-color:rgba(226,232,240,.45);
}
.syn-loop-handle:active{transform:translate(-50%,-50%) scale(.95)}
.syn-loop-handle svg{
  width:12px;height:12px;display:block;overflow:visible;
}
.syn-loop-handle path{
  stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;fill:none;
}
.syn-loop-handle.edge-a{
  border-color:rgba(96,165,250,.55);
  color:#d7e9ff;
}
.syn-loop-handle.edge-b{
  border-color:rgba(74,222,128,.55);
  color:#d7f8e5;
}
@media(max-width:639px){
  #syn-perf-badge{
    top:8px;right:8px;
    font-size:9px;
    padding:3px 7px;
  }
  .syn-loop-handle{width:28px;height:28px}
  .syn-loop-handle svg{width:13px;height:13px}
}

.view-disabled-control{
  border-color:#2d3d58 !important;
  color:#8ea4c8 !important;
  opacity:1 !important;
  cursor:not-allowed;
}

/* ══ TOAST ═══════════════════════════════════════════════ */
#toast{
  position:fixed;bottom:calc(var(--transport-h) + 16px);left:50%;
  transform:translateX(-50%) translateY(12px);
  background:var(--s3);border:1px solid var(--border);
  color:var(--text);padding:8px 16px;border-radius:20px;
  font-size:13px;white-space:nowrap;z-index:500;
  opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

#save-toast{
  position:fixed;
  left:50%;
  bottom:calc(var(--transport-h) + 16px);
  z-index:565;
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:min(320px, calc(100vw - 28px));
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(10,14,22,.90);
  backdrop-filter:blur(3px);
  color:var(--sub);
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  opacity:0;
  transform:translateX(-50%) translateY(6px);
  transition:opacity .16s ease, transform .16s ease;
  pointer-events:none;
  box-shadow:0 8px 24px rgba(0,0,0,.42);
}
#save-toast::before{
  content:'';
  width:7px;height:7px;border-radius:50%;
  background:rgba(148,163,184,.72);
  box-shadow:0 0 0 1px rgba(148,163,184,.18);
  flex-shrink:0;
}
#save-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#save-toast.saving{
  color:#fcd34d;
  border-color:rgba(245,158,11,.30);
}
#save-toast.saving::before{
  background:var(--amber);
  box-shadow:0 0 0 1px rgba(245,158,11,.24), 0 0 8px rgba(245,158,11,.34);
  animation:savePulse 1s ease-in-out infinite;
}
#save-toast.saved{
  color:#86efac;
  border-color:rgba(34,197,94,.30);
}
#save-toast.saved::before{
  background:var(--green);
  box-shadow:0 0 0 1px rgba(34,197,94,.20), 0 0 8px rgba(34,197,94,.30);
}
#save-toast.error{
  color:#fda4af;
  border-color:rgba(244,63,94,.30);
}
#save-toast.error::before{
  background:var(--red);
  box-shadow:0 0 0 1px rgba(244,63,94,.22), 0 0 9px rgba(244,63,94,.34);
}
#save-toast.local{
  color:#bfdbfe;
  border-color:rgba(59,130,246,.30);
}
#save-toast.local::before{
  background:var(--accent2);
  box-shadow:0 0 0 1px rgba(59,130,246,.20), 0 0 8px rgba(59,130,246,.32);
}

#note-context-menu{
  position:fixed;
  z-index:700;
  display:none;
  min-width:268px;
  max-width:min(336px, calc(100vw - 16px));
  border:1px solid var(--border);
  border-radius:10px;
  padding:6px;
  background:rgba(13,17,25,.97);
  box-shadow:0 14px 30px rgba(0,0,0,.50);
  backdrop-filter:blur(5px);
}
#note-context-menu.show{display:block}
.ctx-item{
  width:100%;
  border:1px solid transparent;
  border-radius:8px;
  background:transparent;
  color:var(--text);
  padding:8px 9px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  cursor:pointer;
  font-size:12.3px;
  text-align:left;
}
.ctx-item > span:first-child{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.ctx-item:hover{
  background:var(--s2);
  border-color:var(--border2);
}
.ctx-item:disabled{
  opacity:.45;
  cursor:not-allowed;
}
.ctx-item:disabled:hover{
  background:transparent;
  border-color:transparent;
}
.ctx-item.danger:hover{
  background:rgba(244,63,94,.10);
  border-color:rgba(244,63,94,.28);
  color:#fecdd3;
}
.ctx-item.danger:disabled:hover{
  background:transparent;
  border-color:transparent;
  color:var(--text);
}
.ctx-kbd{
  color:var(--sub);
  font-size:11.3px;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  justify-content:flex-end;
  max-width:100%;
}
.ctx-kbd .kbd-wrap{flex-wrap:nowrap}
.ctx-kbd .kbd-key{
  min-width:18px;
  height:18px;
  padding:0 5px;
  font-size:10px;
}
.kbd-wrap{
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:100%;
  flex-wrap:wrap;
}
.kbd-combo{
  display:inline-flex;
  align-items:center;
  gap:4px;
  flex-wrap:nowrap;
  min-width:0;
}
.kbd-plus-sep,
.kbd-alt-sep{
  color:var(--sub);
  font-size:10.8px;
  line-height:1;
  opacity:.86;
}
.kbd-key{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:20px;
  height:20px;
  padding:0 6px;
  border-radius:6px;
  border:1px solid #2b3f5e;
  border-bottom-color:#1f324f;
  background:linear-gradient(180deg, rgba(20,29,43,.95), rgba(12,19,30,.95));
  box-shadow:inset 0 -1px 0 rgba(7,11,18,.62), inset 0 1px 0 rgba(180,205,255,.06);
  color:#dceaff;
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:10.8px;
  font-weight:700;
  line-height:1;
  letter-spacing:.01em;
  text-transform:none;
}
.ctx-sep{
  height:1px;
  margin:5px 2px;
  background:linear-gradient(90deg, transparent, rgba(148,163,184,.25), transparent);
}
.ctx-submenu-wrap{
  position:relative;
}
.ctx-submenu{
  position:absolute;
  top:-6px;
  left:calc(100% + 6px);
  z-index:2;
  display:none;
  min-width:220px;
  max-width:min(320px, calc(100vw - 16px));
  max-height:min(320px, calc(100vh - 40px));
  overflow:auto;
  border:1px solid var(--border);
  border-radius:10px;
  padding:6px;
  background:rgba(13,17,25,.985);
  box-shadow:0 14px 30px rgba(0,0,0,.50);
  scrollbar-width:thin;
}
#note-context-menu.ctx-submenu-left .ctx-submenu{
  left:auto;
  right:calc(100% + 6px);
}
.ctx-submenu-wrap.open .ctx-submenu{
  display:block;
}
.ctx-submenu-trigger{
  position:relative;
}
.ctx-track-item{
  width:100%;
  border:1px solid transparent;
  border-radius:8px;
  background:transparent;
  color:var(--text);
  padding:7px 9px;
  display:flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
  font-size:12.3px;
  text-align:left;
}
.ctx-track-item:hover{
  background:var(--s2);
  border-color:var(--border2);
}
.ctx-track-item:disabled{
  opacity:.46;
  cursor:not-allowed;
}
.ctx-track-item:disabled:hover{
  background:transparent;
  border-color:transparent;
}
.ctx-track-check{
  width:14px;
  color:#9cc4ff;
  opacity:.2;
  font-weight:700;
  flex:0 0 14px;
  text-align:center;
}
.ctx-track-item[aria-checked="true"] .ctx-track-check{
  opacity:1;
}
.ctx-track-name{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.ctx-track-empty{
  color:var(--sub);
  font-size:11.6px;
  line-height:1.35;
  padding:7px 8px;
}

/* ══ NOTE INSPECTOR ═════════════════════════════════════ */
#note-inspector{
  position:fixed;right:14px;bottom:calc(var(--transport-h) + 14px);
  width:clamp(312px, 35vw, 436px);max-width:calc(100vw - 20px);
  background:rgba(13,17,25,.96);
  border:1px solid var(--border);
  border-radius:10px;padding:11px 12px 9px;
  box-shadow:0 10px 28px rgba(0,0,0,.45);
  z-index:560;display:none;backdrop-filter:blur(4px);
}
#note-inspector.show{display:block}
.ni-hd{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:7px;
}
#ni-title{font-size:11px;font-weight:700;letter-spacing:.04em;color:#9bb5d8;text-transform:uppercase}
#ni-close{
  width:22px;height:22px;border-radius:5px;
  border:1px solid var(--border);background:var(--s2);color:var(--sub);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:13px;line-height:1;
}
#ni-close:hover{background:var(--s3);color:var(--text)}
.ni-grid{
  display:grid;grid-template-columns:90px 1fr;row-gap:4px;column-gap:8px;align-items:start;
}
.ni-k{font-size:10.5px;color:var(--sub)}
.ni-v{
  font-size:11.5px;color:var(--text);
  white-space:normal;overflow:visible;text-overflow:clip;
  overflow-wrap:anywhere;line-height:1.32;
}

@media(max-width:1023px){
  #note-context-menu{
    min-width:236px;
    border-radius:11px;
    padding:7px;
  }
  .ctx-item{
    padding:9px 10px;
    font-size:12.8px;
    min-height:40px;
  }
  #note-context-menu .ctx-kbd{
    display:none !important;
  }
  .ctx-submenu{
    min-width:204px;
    max-width:calc(100vw - 12px);
  }

  #note-inspector{
    right:8px;
    left:auto;
    bottom:auto;
    top:calc(var(--viewbar-h) + 8px);
    width:min(240px, calc(100vw - 16px));
    max-width:calc(100vw - 16px);
    padding:8px 9px 7px;
    border-radius:9px;
    background:rgba(11,16,24,.9);
    z-index:540;
    pointer-events:none;
  }
  #ni-close{display:none}
  .ni-hd{margin-bottom:4px}
  #ni-title{
    font-size:10px;
    letter-spacing:.03em;
  }
  .ni-grid{
    grid-template-columns:72px 1fr;
    row-gap:2px;
    column-gap:7px;
  }
  .ni-k{font-size:10px}
  .ni-v{
    font-size:11px;
    line-height:1.28;
  }
  #ni-lbl-start,#ni-start,
  #ni-lbl-end,#ni-end,
  #ni-lbl-track,#ni-track{
    display:none;
  }
}

#help-btn{
  width:36px;height:36px;border-radius:9px;
  color:var(--sub);
}
#help-btn:hover{color:var(--text)}
#help-btn svg{display:block}

#help-drawer{
  position:fixed;inset:0;z-index:650;display:none;
}
#help-drawer.show{display:block}
#help-backdrop{
  position:absolute;inset:0;
  background:rgba(5,9,15,.56);
  backdrop-filter:blur(2px);
}
#help-panel{
  position:absolute;
  right:12px;
  top:calc(var(--header-h) + 8px);
  bottom:calc(var(--transport-h) + 10px);
  width:min(430px, calc(100vw - 24px));
  background:rgba(10,15,24,.96);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:0 16px 38px rgba(0,0,0,.5);
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.help-head{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:10px;
  padding:12px 13px 10px;
  border-bottom:1px solid var(--border2);
  background:linear-gradient(180deg, rgba(17,24,39,.72), rgba(10,15,24,.62));
}
.help-head-text{min-width:0}
#help-title{
  font-size:13.6px;font-weight:700;color:#dbe9ff;line-height:1.22;
}
#help-subtitle{
  margin-top:4px;
  font-size:11.4px;color:var(--sub);line-height:1.34;
}
#help-close{
  width:28px;height:28px;border-radius:7px;
  border:1px solid var(--border);
  background:var(--s2);color:var(--sub);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:15px;line-height:1;
  touch-action:manipulation;
}
#help-close:hover{background:var(--s3);color:var(--text)}

#help-tabs{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px;
  overflow-x:auto;
  border-bottom:1px solid var(--border2);
  background:rgba(12,18,28,.8);
}
#help-tabs::-webkit-scrollbar{height:3px}
#help-tabs::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.help-tab{
  border:1px solid var(--border);
  background:var(--s2);
  color:var(--sub);
  border-radius:999px;
  font-size:11.4px;
  font-weight:600;
  padding:6px 10px;
  white-space:nowrap;
  cursor:pointer;
  touch-action:manipulation;
  transition:background .12s,border-color .12s,color .12s;
}
.help-tab:hover{color:var(--text);border-color:#2a3c59}
.help-tab.active{
  border-color:rgba(59,130,246,.45);
  background:rgba(59,130,246,.16);
  color:#dceaff;
}

#help-body{
  flex:1;
  overflow:auto;
  padding:16px 16px 18px;
}
#help-body::-webkit-scrollbar{width:4px}
#help-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.help-pane{display:none}
.help-pane.active{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.help-pane-intro{
  margin:0;
  color:#b9cbe6;
  font-size:12.5px;
  line-height:1.65;
  letter-spacing:.01em;
}

#help-quick-list,
#help-touch-list,
#help-tips-list{
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.help-card{
  border:1px solid var(--border2);
  border-radius:12px;
  background:linear-gradient(180deg, rgba(15,23,37,.7), rgba(12,18,30,.58));
  padding:12px 13px;
  box-shadow:inset 0 0 0 1px rgba(90,120,170,.04);
}
.help-card-title{
  margin:0 0 6px;
  color:#dbe9ff;
  font-size:12.9px;
  font-weight:700;
  line-height:1.4;
}
.help-card-body{
  margin:0;
  color:var(--text);
  font-size:12.35px;
  line-height:1.66;
  text-wrap:pretty;
}

#help-shortcuts{
  display:flex;
  flex-direction:column;
  gap:14px;
}
#help-touch-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.help-kbd-group{
  border:1px solid var(--border2);
  border-radius:12px;
  padding:12px 13px;
  background:rgba(14,21,33,.52);
}
.help-kbd-title{
  font-size:11.2px;
  color:#9bb6da;
  text-transform:uppercase;
  letter-spacing:.05em;
  margin-bottom:8px;
  font-weight:700;
}
.help-kbd-row{
  display:grid;
  grid-template-columns:minmax(132px, 220px) minmax(0, 1fr);
  column-gap:12px;
  row-gap:6px;
  align-items:start;
  font-size:12.2px;
  color:var(--text);
  line-height:1.48;
}
.help-kbd-row + .help-kbd-row{margin-top:7px}
.help-k{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  width:100%;
  max-width:100%;
  color:#d9e7ff;
  font-size:11px;
  font-weight:700;
  line-height:1.3;
  text-align:left;
  white-space:normal;
  overflow-wrap:anywhere;
  min-height:20px;
}
.help-k .kbd-wrap{
  justify-content:flex-start;
}
.help-v{
  flex:1 1 auto;
  color:var(--text);
  min-width:0;
  line-height:1.55;
  overflow-wrap:anywhere;
}

#help-pane-article{
  gap:10px;
}
.help-pane#help-pane-article.active{
  display:flex;
  flex-direction:column;
}
#help-article-text{
  margin:0;
  color:var(--text);
  font-size:12.3px;
  line-height:1.5;
}
#help-article-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:max-content;
  max-width:100%;
  padding:7px 12px;
  border-radius:8px;
  border:1px solid rgba(59,130,246,.45);
  background:rgba(59,130,246,.14);
  color:#dceaff;
  font-size:11.8px;
  font-weight:700;
  text-decoration:none;
  margin-top:2px;
}
#help-article-link:hover{
  background:rgba(59,130,246,.2);
}
#help-article-link.disabled,
.help-pane-footer-link.disabled{
  opacity:.48;
  border-color:var(--border);
  background:var(--s2);
  color:var(--sub);
  pointer-events:none;
}
#help-article-missing{
  margin:0;
  color:var(--sub);
  font-size:11.3px;
  line-height:1.35;
}

.help-pane-footer{
  margin-top:4px;
  padding-top:12px;
  border-top:1px dashed rgba(67,93,132,.45);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.help-pane-footer-text{
  margin:0;
  color:#aac0df;
  font-size:12px;
  line-height:1.55;
}
.help-pane-footer-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:max-content;
  max-width:100%;
  padding:7px 12px;
  border-radius:8px;
  border:1px solid rgba(59,130,246,.45);
  background:rgba(59,130,246,.14);
  color:#dceaff;
  font-size:11.8px;
  font-weight:700;
  text-decoration:none;
}
.help-pane-footer-link:hover{
  background:rgba(59,130,246,.2);
}

@media(max-width:920px){
  .help-kbd-row{
    grid-template-columns:1fr;
    gap:6px;
  }
  .help-k{
    width:100%;
  }
}

@media(max-width:639px){
  #save-toast{
    bottom:calc(var(--transport-h) + 11px);
    max-width:calc(100vw - 20px);
    font-size:11px;
    padding:6px 10px;
  }
  #save-toast.show{transform:translateX(-50%) translateY(0)}
  #note-context-menu{
    min-width:194px;
    max-width:calc(100vw - 12px);
  }
  #note-inspector{
    left:auto;
    right:8px;
    width:min(240px, calc(100vw - 16px));
    max-width:calc(100vw - 16px);
    top:calc(var(--viewbar-h) + 6px);
  }
  .ni-grid{grid-template-columns:68px 1fr}
  #help-panel{
    left:8px;
    right:8px;
    top:auto;
    bottom:calc(var(--transport-h) + 8px);
    width:auto;
    height:min(74vh, 560px);
    border-radius:12px;
  }
  #help-tabs{padding:7px 8px;gap:5px}
  .help-tab{padding:6px 9px;font-size:10.9px}
  #help-body{padding:12px}
  .help-pane-intro{font-size:11.9px;line-height:1.62}
  .help-card{padding:11px 11px}
  .help-card-title{font-size:12.3px;margin-bottom:5px}
  .help-card-body{font-size:11.7px;line-height:1.6}
  .help-kbd-row{
    gap:6px;
  }
  .help-k{
    font-size:10.2px;
  }
  .kbd-key{
    height:18px;
    min-width:18px;
    padding:0 5px;
    font-size:9.9px;
  }
  .help-v{font-size:11.5px}
  .help-pane-footer-text{font-size:11.4px}
  .help-pane-footer-link{
    width:100%;
    justify-content:center;
  }
  #help-btn{width:34px;height:34px}
}

/* ══ EMBED ONBOARDING ═════════════════════════════════════ */
#onboarding-tour{
  position:fixed;
  inset:0;
  z-index:2520;
  display:none;
  pointer-events:none;
}
#onboarding-tour.show{display:block}
#onboarding-scrim{
  position:fixed;
  inset:0;
  pointer-events:none;
}
.onboarding-scrim-pane{
  position:fixed;
  left:0;
  top:0;
  width:0;
  height:0;
  background:rgba(4,8,14,.72);
  backdrop-filter:blur(1.6px);
  pointer-events:none;
}
#onboarding-focus{
  position:fixed;
  left:-9999px;
  top:-9999px;
  width:0;
  height:0;
  border-radius:12px;
  border:2px solid rgba(96,165,250,.96);
  box-shadow:
    0 0 0 1px rgba(19,33,54,.95),
    0 12px 30px rgba(0,0,0,.55);
  pointer-events:none;
  transition:left .16s ease, top .16s ease, width .16s ease, height .16s ease;
}
.onboarding-target-active{
  outline:2px solid rgba(96,165,250,.95);
  outline-offset:2px;
}
#onboarding-card{
  position:fixed;
  left:-9999px;
  top:-9999px;
  width:min(360px, calc(100vw - 24px));
  border-radius:13px;
  border:1px solid #2b3f60;
  background:linear-gradient(180deg, rgba(12,19,31,.97), rgba(9,15,24,.97));
  box-shadow:0 16px 36px rgba(0,0,0,.56);
  padding:12px 13px 12px;
  pointer-events:auto;
}
#onboarding-step{
  font-size:10.9px;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-weight:700;
  color:#93b5de;
  margin-bottom:7px;
}
#onboarding-text{
  margin:0;
  color:#d5e4fb;
  font-size:12.7px;
  line-height:1.6;
  text-wrap:pretty;
}
#onboarding-actions{
  margin-top:12px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:8px;
}
#onboarding-skip,
#onboarding-next{
  border-radius:8px;
  border:1px solid var(--border);
  height:34px;
  min-width:88px;
  padding:0 12px;
  cursor:pointer;
  font-size:12px;
  font-weight:650;
  letter-spacing:.01em;
  touch-action:manipulation;
}
#onboarding-skip{
  background:rgba(15,24,37,.9);
  color:#b7c9e5;
}
#onboarding-skip:hover{
  background:rgba(21,31,46,.98);
  color:#d6e5fb;
}
#onboarding-next{
  border-color:rgba(59,130,246,.56);
  background:rgba(59,130,246,.2);
  color:#e7f1ff;
}
#onboarding-next:hover{
  background:rgba(59,130,246,.3);
}

@media(max-width:639px){
  #onboarding-card{
    width:calc(100vw - 16px);
    border-radius:11px;
    padding:11px 11px 10px;
  }
  #onboarding-step{
    font-size:10.3px;
    margin-bottom:6px;
  }
  #onboarding-text{
    font-size:11.9px;
    line-height:1.58;
  }
  #onboarding-actions{
    margin-top:10px;
    justify-content:space-between;
  }
  #onboarding-skip,
  #onboarding-next{
    flex:1 1 0;
    min-width:0;
    height:33px;
    font-size:11.4px;
  }
}

/* ══ TOOLTIPS ════════════════════════════════════════════ */
/* Tooltips globaux (position fixed) pour éviter tout clipping dans les popovers */
[data-tip]{position:relative}
[data-tip]::after{display:none !important}

#global-tooltip{
  position:fixed;
  left:-9999px;
  top:-9999px;
  z-index:2400;
  max-width:min(340px, calc(100vw - 18px));
  padding:7px 10px;
  border-radius:7px;
  border:1px solid #31445f;
  background:rgba(8,14,23,.98);
  color:#e9f1ff;
  font-size:12.2px;
  font-weight:560;
  line-height:1.45;
  letter-spacing:.01em;
  white-space:normal;
  overflow-wrap:anywhere;
  box-shadow:0 10px 22px rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition:opacity .12s ease;
}
#global-tooltip.show{opacity:1}

/* Sur mobile tactile, les tooltips au survol restent désactivés */
@media(hover:none){
  #global-tooltip{display:none !important}
}