/* b619 · iPad: ba không gian Phố · Bản đồ · Hành trình. Chỉ áp khi body có .coc-studio
   (máy tính bảng). MacBook và iPhone không có lớp này nên giữ nguyên giao diện cũ.
   Màu lấy từ màu đặc trưng của app: nền xanh đêm, giấy ngà, san hô, vàng đồng. */
body.coc-studio{
  /* Chỉ dùng màu sẵn có của app: biến màu của theme (đổi theo sáng / tối) và đúng các giá trị app đang dùng.
     Không thêm màu mới. Chữ phụ trên nền tối = màu giấy mờ đi (như bố cục iPad cũ: opacity .65–.68). */
  --st-ground:var(--bg);--st-text:var(--panel);--st-muted:rgba(242,223,177,.68);--st-line:rgba(255,245,217,.18);
  --st-paper:var(--panel);--st-paper-2:var(--ivory);--st-ink:var(--text);--st-ink-muted:var(--text-muted);--st-ink-line:var(--border);
  --st-coral:var(--peach);--st-coral-deep:var(--coral);--st-coral-ink:var(--peach-deep);--st-coral-light:#ff8878;
  --st-gold:var(--teal);--st-teal:var(--blue);--st-cream:var(--ivory);--st-shade:rgba(0,0,0,.5);
  --st-display:'Bodoni Moda','Bodoni 72','Didot','Times New Roman','Apple Symbols','Segoe UI Symbol',serif;
  --st-sans:var(--st-display);--st-mono:var(--st-display);
  --st-pad:40px;--st-top:76px;--st-nav:92px;--st-kb-h:196px;--st-kb-black:122px;--st-kb-w:2704px;--st-fb-w:1560px;
  margin:0!important;padding:0!important;overflow:hidden;background:var(--st-ground);
}
body.coc-studio:not(.dark){
  --st-text:var(--text);--st-muted:var(--text-muted);--st-line:var(--border);--st-coral-light:var(--peach-deep);--st-gold:var(--teal-deep);
}
@media (min-height:1000px){body.coc-studio{--st-kb-h:250px;--st-kb-black:156px}}
@media (orientation:portrait) and (min-height:1000px){body.coc-studio{--st-kb-h:290px;--st-kb-black:180px}}
@media (max-height:800px){body.coc-studio{--st-top:66px;--st-nav:78px;--st-kb-h:168px;--st-kb-black:104px;--st-name-size:.78}}
@media (max-width:900px){body.coc-studio{--st-pad:28px}}
body.coc-studio .wrap{max-width:none!important;padding:0!important;margin:0!important}
body.coc-studio :is(.app-masthead,.wrap > .topbar,.wrap > footer){display:none!important}
body.coc-studio #mainContent{padding:0!important}

/* ---------- khung ---------- */
body.coc-studio #cocStudio{
  position:fixed;inset:0;z-index:2;display:flex;flex-direction:column;box-sizing:border-box;
  background:var(--st-ground);color:var(--st-text);font-family:var(--st-sans);font-size:15px;line-height:1.5;
  -webkit-text-size-adjust:100%;
}
body.coc-studio #cocStudio *{box-sizing:border-box}
body.coc-studio #cocStudio :is(button,select,input,summary){font-family:var(--st-sans);-webkit-tap-highlight-color:transparent}
body.coc-studio #cocStudio :is(button,select,input,summary,a):focus-visible{outline:2px solid var(--st-coral);outline-offset:3px}
body.coc-studio #cocStudio [hidden]{display:none!important}
body.coc-studio #cocStudio .coc-st-top{
  flex:0 0 auto;width:100%;max-width:none;margin:0;text-align:left;animation:none;align-self:stretch;height:calc(var(--st-top) + env(safe-area-inset-top));
  padding:env(safe-area-inset-top) max(var(--st-pad),env(safe-area-inset-right)) 0 max(var(--st-pad),env(safe-area-inset-left));
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;
}
body.coc-studio #cocStudio .coc-st-brand{justify-self:start;font-family:var(--st-display);font-size:22px;letter-spacing:.01em;white-space:nowrap;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-brand i{font-size:16px;margin:0 1px}
body.coc-studio #cocStudio .coc-st-center{justify-self:center;display:flex;align-items:center;min-width:0}
body.coc-studio #cocStudio .coc-st-center > *{display:none!important}
body.coc-studio #cocStudio[data-space="pho"]:not([data-pick="on"]) .coc-st-center > #mainTabs,
body.coc-studio #cocStudio[data-space="pho"][data-pick="on"] .coc-st-center > .coc-st-pickhead,
body.coc-studio #cocStudio[data-space="map"] .coc-st-center > .coc-st-mapmodes,
body.coc-studio #cocStudio[data-space="journey"] .coc-st-center > .coc-st-views{display:flex!important}
body.coc-studio #cocStudio .coc-st-tools{justify-self:end;display:flex;align-items:center;gap:12px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-tools > :not(.coc-st-pickdone),
body.coc-studio #cocStudio:not([data-pick="on"]) .coc-st-pickdone{display:none}
body.coc-studio #cocStudio .coc-st-pill{
  min-height:44px;max-width:280px;padding:0 18px;border:1px solid var(--st-gold);border-radius:999px;background:transparent;color:var(--st-text);
  font:500 14px/1.2 var(--st-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-play{
  display:flex;align-items:center;justify-content:center;gap:8px;width:48px;height:48px;padding:0;border:0;border-radius:50%;
  background:var(--st-coral);color:var(--st-cream);cursor:pointer;flex:0 0 auto;
}
body.coc-studio #cocStudio .coc-st-play.is-on{background:var(--st-coral-deep);box-shadow:0 0 0 3px var(--peach-soft)}
body.coc-studio #cocStudio .coc-st-play-text:empty{display:none}
body.coc-studio #cocStudio[data-space="journey"] .coc-st-play{width:auto;min-width:48px;padding:0 20px 0 16px;border:2px solid var(--st-coral);border-radius:999px;background:var(--st-coral-deep);font-size:15px;font-weight:500}
body.coc-studio #cocStudio .coc-st-more{
  display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid var(--st-gold);border-radius:50%;
  background:transparent;color:var(--st-text);cursor:pointer;
}
body.coc-studio #cocStudio :is(.coc-st-pickdone,.coc-st-done){
  min-height:44px;padding:0 22px;border:0;border-radius:999px;background:var(--st-paper);color:var(--st-ink);font-size:15px;font-weight:500;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-sheet .coc-st-done{background:var(--st-ink);color:var(--st-cream)}
body.coc-studio:not(.dark) #cocStudio .coc-st-pickdone{background:var(--st-ink);color:var(--st-cream)}

/* Piano | Guitar */
body.coc-studio #cocStudio #mainTabs{
  display:flex;gap:28px;width:auto;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;overflow:visible;
}
body.coc-studio #cocStudio #mainTabs .main-tab{
  min-width:0;min-height:44px;padding:10px 0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-muted);opacity:1;transform:none;cursor:pointer;
}
body.coc-studio #cocStudio #mainTabs .main-tab.active{color:var(--st-text);box-shadow:inset 0 -2px 0 var(--st-coral);background:none}
body.coc-studio #cocStudio #mainTabs .main-tab-kicker{display:none}
body.coc-studio #cocStudio #mainTabs .main-tab-label{font:500 15px/1.2 var(--st-sans);letter-spacing:.01em;text-transform:none;color:inherit}
body.coc-studio #cocStudio #mainTabs .main-tab.active .main-tab-label{font-weight:600}

/* thanh dưới: ba không gian */
body.coc-studio #cocStudio .coc-st-spaces{flex:1 1 auto;min-height:0;position:relative}
body.coc-studio #cocStudio .coc-st-space{
  margin:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-text);
  position:absolute;inset:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  padding:4px max(var(--st-pad),env(safe-area-inset-right)) 18px max(var(--st-pad),env(safe-area-inset-left));
}
body.coc-studio #cocStudio .coc-st-nav{
  flex:0 0 auto;height:calc(var(--st-nav) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  border-top:1px solid var(--st-line);display:flex;justify-content:center;align-items:center;gap:64px;background:var(--st-ground);
}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-nav{display:none}
body.coc-studio #cocStudio .coc-st-navbtn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:120px;min-height:56px;padding:4px 8px;
  border:0;background:none;color:var(--st-text);cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-navbtn .t{font-family:var(--st-display);font-size:21px;line-height:1.2;padding-bottom:4px}
body.coc-studio #cocStudio .coc-st-navbtn .s{font-size:12px;color:var(--st-muted);line-height:1.3}
body.coc-studio #cocStudio .coc-st-navbtn[aria-current="page"] .t{font-weight:600;padding-bottom:2px;border-bottom:2px solid var(--st-coral)}
@media (max-width:900px){
  body.coc-studio #cocStudio .coc-st-nav{gap:36px}
  body.coc-studio #cocStudio .coc-st-pill .p{display:none}
  body.coc-studio #cocStudio[data-space="journey"] .coc-st-play{width:48px;min-width:48px;padding:0;border-radius:50%}
  body.coc-studio #cocStudio[data-space="journey"] .coc-st-play-text{display:none}
}
@media (max-height:800px){
  body.coc-studio #cocStudio .coc-st-hero{gap:8px}
  body.coc-studio #cocStudio .coc-st-aside{padding-top:14px;gap:10px}
  body.coc-studio #cocStudio .coc-st-whisper{font-size:16px}
  body.coc-studio #cocStudio .coc-st-navbtn .t{font-size:19px}
}

/* chữ nhỏ dùng chung */
body.coc-studio #cocStudio .coc-st-label{margin:0;font-size:13px;line-height:1.4;color:var(--st-muted);font-weight:400;letter-spacing:0;text-transform:none}
body.coc-studio #cocStudio :is(.coc-st-link,.coc-st-ghost){
  min-height:44px;padding:0 18px;border:1px solid var(--st-gold);border-radius:999px;background:transparent;color:var(--st-text);
  font-size:14px;font-weight:400;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-link{padding:0 2px;border:0;border-radius:0;color:var(--st-coral-light);font-weight:500;text-align:left}

/* ---------- Phố ---------- */
body.coc-studio #cocStudio .coc-st-space[data-space="pho"]{display:flex;flex-direction:column;padding-bottom:0}
body.coc-studio #cocStudio .coc-st-space[data-space="pho"] > :is(#pianoTabContent,#guitarTabContent){flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
body.coc-studio #cocStudio :is(#pianoSubTabs,#guitarSubTabs){display:none!important}
body.coc-studio #cocStudio :is(#pianoTabContent,#guitarTabContent) > [role="tabpanel"]{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
body.coc-studio #cocStudio .coc-st-panel{
  flex:1 1 auto;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px;
  margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-text);
}
body.coc-studio #cocStudio .coc-st-panel > :not(.coc-st-stage):not(.coc-st-inst):not(.coc-st-picker){display:none!important}
body.coc-studio #cocStudio .coc-st-stage{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:56px;min-height:0;overflow:auto;padding-top:4px}
body.coc-studio #cocStudio[data-kind="scale"] .coc-st-stage{grid-template-columns:minmax(0,1fr) 380px;gap:40px}
@media (max-width:900px){body.coc-studio #cocStudio .coc-st-stage{grid-template-columns:minmax(0,1fr) 260px;gap:32px}body.coc-studio #cocStudio[data-kind="scale"] .coc-st-stage{grid-template-columns:minmax(0,1fr) 340px;gap:24px}}
body.coc-studio #cocStudio .coc-st-aside .hand-line:has(.scale-note-sequences){overflow-x:auto;max-width:100%}
body.coc-studio #cocStudio .coc-st-hero{min-width:0;display:flex;flex-direction:column;gap:12px}
body.coc-studio #cocStudio .coc-st-kicker{margin:0;font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-name{
  --st-name-scale:1;--st-k:calc(var(--st-name-scale) * var(--st-name-size,1));display:flex;align-items:flex-start;gap:8px;width:max-content;max-width:100%;margin:0;padding:0;border:0;background:none;
  color:var(--st-text);font-family:var(--st-display);line-height:.84;cursor:pointer;text-align:left;white-space:nowrap;
}
body.coc-studio #cocStudio .coc-st-name .r{font-size:calc(136px * var(--st-k));font-weight:600}
body.coc-studio #cocStudio .coc-st-name .q{font-size:calc(58px * var(--st-k));font-weight:400;margin-top:calc(16px * var(--st-k))}
body.coc-studio #cocStudio[data-kind="scale"] .coc-st-name .q{font-size:calc(46px * var(--st-k))}
body.coc-studio #cocStudio .coc-st-name:active{opacity:.75}
body.coc-studio #cocStudio .coc-st-badges{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-height:0;margin:0;padding:0;grid-template-columns:none}
body.coc-studio #cocStudio .coc-st-badges > :is(.symbol,.coc-scope){position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;margin:0!important;padding:0!important}
body.coc-studio #cocStudio .coc-st-badges > :is(.inv-badge,.notation-alias-badge,.jazz-level-badge){
  max-width:100%;margin:0;padding:3px 10px;border:1px solid var(--st-line);border-radius:999px;background:transparent;color:var(--st-muted);
  font:400 12px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;white-space:normal;
}
body.coc-studio #cocStudio .coc-st-badges > :empty{display:none}
body.coc-studio #cocStudio .coc-st-notes{display:flex;flex-wrap:wrap;gap:8px 26px;font-family:var(--st-mono)}
body.coc-studio #cocStudio .coc-st-note{display:flex;flex-direction:column;gap:2px;min-width:22px}
body.coc-studio #cocStudio .coc-st-note b{font-size:20px;font-weight:500;line-height:1.2;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-note small{font-size:12px;line-height:1.2;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-note.is-color :is(b,small){color:var(--st-coral-light)}
body.coc-studio #cocStudio .coc-st-whisper{margin:2px 0 0;max-width:46ch;font-size:17px;line-height:1.55;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-hero .notation-help{margin:0;font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:2px}
body.coc-studio #cocStudio .coc-st-actions > button{
  display:flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border:1px solid var(--st-gold);border-radius:999px;
  background:transparent;color:var(--st-text);font-size:15px;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-actions > .coc-st-listen{border-color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-actions > .coc-st-next{padding:0 6px;border:0;color:var(--st-coral-light);font-weight:500}
body.coc-studio #cocStudio .coc-st-actions > button:disabled{opacity:.45}

/* bên phải: hai tay bấm */
body.coc-studio #cocStudio .coc-st-aside{min-width:0;display:flex;flex-direction:column;gap:14px;padding-top:30px}
body.coc-studio #cocStudio .coc-st-aside .hand-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0;padding:0;visibility:visible}
body.coc-studio #cocStudio .coc-st-aside .hand-col{min-width:0;display:flex;flex-direction:column;gap:4px}
body.coc-studio #cocStudio .coc-st-aside .hand-line{display:flex;flex-direction:column;align-items:flex-start;gap:4px;height:auto;min-height:0;margin:0;font-size:13px;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-aside .hand-tag{margin:0;padding:0;background:none;border:0;color:var(--st-muted);font:400 12px/1.3 var(--st-sans);letter-spacing:0;text-transform:none}
body.coc-studio #cocStudio .coc-st-aside :is(#lhOut,#rhOut){font:500 17px/1.35 var(--st-mono);white-space:normal;overflow:visible;overflow-wrap:anywhere;max-width:100%;height:auto;min-height:0}
body.coc-studio #cocStudio .coc-st-aside #lhPattern{grid-column:1 / -1;margin:6px 0 0;padding-top:12px;border-top:1px solid var(--st-line);font-size:13px;line-height:1.5;color:var(--st-muted);white-space:normal;height:auto;min-height:0}
body.coc-studio #cocStudio .coc-st-aside .hand-columns > .hand-col:first-child{display:contents}
body.coc-studio #cocStudio .coc-st-aside .hand-columns > .hand-col:first-child > .hand-line{grid-column:1;grid-row:1}
body.coc-studio #cocStudio .coc-st-aside .hand-columns > .hand-col:last-child{grid-column:2;grid-row:1}
body.coc-studio #cocStudio .coc-st-aside #lhPattern{grid-row:2}
body.coc-studio #cocStudio .coc-st-aside .coc-live-path:empty{display:none}
body.coc-studio #cocStudio .coc-st-aside .coc-live-path{font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-aside .coc-live-bar{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:12px 0 0;border:0;border-top:1px solid var(--st-line);background:none}
body.coc-studio #cocStudio .coc-st-aside .coc-live-bar :is(.chip,select){
  min-height:40px;padding:0 12px;border:1px solid var(--st-line);border-radius:999px;background:transparent;color:var(--st-text);
  font:400 13px/1 var(--st-sans);letter-spacing:0;box-shadow:none;
}
body.coc-studio #cocStudio .coc-st-aside .coc-live-bar .chip[aria-pressed="true"]{background:var(--st-coral-deep);border-color:var(--st-coral-deep);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-aside details{margin:0;padding:0;border:0;background:none;box-shadow:none}
body.coc-studio #cocStudio .coc-st-aside details > :is(summary,.row-label){display:none}
body.coc-studio #cocStudio .coc-st-aside .chip-row{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;justify-content:flex-start}
body.coc-studio #cocStudio .coc-st-aside .jazz-degree-line{margin:0;font-size:14px;line-height:1.5;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-aside .jazz-degree-line.secondary{color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-aside .fb-label-mode{display:flex;flex-direction:column;align-items:flex-start;gap:6px;margin:0;padding:0;text-align:left}
body.coc-studio #cocStudio .coc-st-aside .fb-label-mode .row-label{display:block;font-size:13px;color:var(--st-muted);letter-spacing:0;text-transform:none;font-weight:400}
body.coc-studio #cocStudio .coc-st-links{display:flex;flex-wrap:wrap;align-items:center;gap:2px 22px;padding-top:10px;border-top:1px solid var(--st-line)}
body.coc-studio #cocStudio .coc-st-links .coc-st-link{min-height:40px;font-size:14px}

/* chip trên nền tối (thế bấm, vị trí, cách hiện chấm) */
body.coc-studio #cocStudio :is(.coc-st-aside,.coc-st-mapsec,.coc-st-jsec,.coc-st-top) .chip{
  min-height:40px;padding:0 14px;border:1px solid var(--st-gold);border-radius:999px;background:transparent;color:var(--st-text);
  font:400 14px/1.2 var(--st-sans);letter-spacing:0;text-transform:none;box-shadow:none;transform:none;
}
body.coc-studio #cocStudio :is(.coc-st-aside,.coc-st-mapsec,.coc-st-jsec,.coc-st-top) .chip:is(.active,[aria-pressed="true"]){background:var(--st-coral-deep);border-color:var(--st-coral-deep);color:var(--st-cream)}

/* bảng nhạc lý ngón tay của âm giai piano */
body.coc-studio #cocStudio .coc-st-aside .scale-note-sequences{display:block;font-size:13px;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-aside .scale-grid{display:flex;flex-direction:column;gap:10px}
body.coc-studio #cocStudio .coc-st-aside .scale-grid table{border-collapse:collapse;font:400 13px/1.3 var(--st-mono)}
body.coc-studio #cocStudio .coc-st-aside .scale-grid :is(td,th){padding:2px 4px;text-align:center;color:var(--st-text);border:0;background:none}
body.coc-studio #cocStudio .coc-st-aside .scale-grid th{color:var(--st-muted);font-weight:400}
body.coc-studio #cocStudio .coc-st-aside .scale-grid i{display:block;font-size:10px;color:var(--st-muted);font-style:normal}
body.coc-studio #cocStudio .coc-st-aside .scale-grid-label{font-size:12px;color:var(--st-muted);letter-spacing:0;text-transform:none}

/* cây đàn */
body.coc-studio #cocStudio .coc-st-inst{min-width:0;display:flex;flex-direction:column;gap:10px}
body.coc-studio #cocStudio .coc-st-inst-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
body.coc-studio #cocStudio .coc-st-seg{display:flex;gap:4px;padding:3px;border:1px solid var(--st-gold);border-radius:999px}
body.coc-studio #cocStudio .coc-st-seg > button{min-height:38px;padding:0 16px;border:0;border-radius:999px;background:transparent;color:var(--st-text);font-size:14px;cursor:pointer}
body.coc-studio #cocStudio .coc-st-seg > button[aria-pressed="true"]{background:var(--st-paper);color:var(--st-ink)}
body.coc-studio:not(.dark) #cocStudio .coc-st-seg > button[aria-pressed="true"]{background:var(--st-ink);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-inst-head .legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0}
body.coc-studio #cocStudio .coc-st-inst-head .legend span{display:flex;align-items:center;gap:6px;font:400 12px/1.4 var(--st-sans);color:var(--st-muted);letter-spacing:0}
body.coc-studio #cocStudio .coc-st-inst-head .legend i{width:10px;height:10px}
body.coc-studio #cocStudio .coc-st-diagram{
  margin:0;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;touch-action:pan-x;
}
body.coc-studio #cocStudio .coc-st-diagram .keyboard{min-width:var(--st-kb-w);height:var(--st-kb-h);margin:0}
body.coc-studio #cocStudio .coc-st-diagram .key.white{height:calc(var(--st-kb-h) - 8px)}
body.coc-studio #cocStudio .coc-st-diagram .key.black{height:var(--st-kb-black)}
body.coc-studio #cocStudio .coc-st-diagram .key.white .lbl{bottom:10px;font-size:12px}
body.coc-studio #cocStudio .coc-st-diagram .fretboard{min-width:var(--st-fb-w)}
body.coc-studio #cocStudio .coc-st-inst .fret-tap-info{font-size:13px;color:var(--st-muted)}

/* ---------- tấm đổi hợp âm (chạm tên) ---------- */
body.coc-studio #cocStudio .coc-st-picker{display:none}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-panel{grid-template-rows:auto minmax(0,1fr);gap:20px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-stage,
body.coc-studio #cocStudio[data-pick="on"] .coc-st-inst-head{display:none}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-space[data-space="pho"]{padding-bottom:0}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-diagram .keyboard{height:132px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-diagram .key.white{height:124px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-diagram .key.black{height:80px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-diagram .key.white .lbl{bottom:8px;font-size:11px}
body.coc-studio #cocStudio[data-pick="on"] .coc-st-picker{
  display:grid;grid-template-columns:380px minmax(0,1fr);grid-template-rows:auto auto;align-content:start;gap:16px 40px;min-height:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  margin:0 calc(-1 * max(var(--st-pad),env(safe-area-inset-right))) 0 calc(-1 * max(var(--st-pad),env(safe-area-inset-left)));
  padding:24px max(var(--st-pad),env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) max(var(--st-pad),env(safe-area-inset-left));
  border-radius:22px 22px 0 0;background:var(--st-paper);color:var(--st-ink);
}
@media (orientation:portrait){
  body.coc-studio #cocStudio[data-pick="on"] .coc-st-picker{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto}
  body.coc-studio #cocStudio[data-pick="on"] .coc-st-pick-roots{justify-self:center}
}
body.coc-studio #cocStudio .coc-st-pick-roots{display:flex;flex-direction:column;gap:10px;min-width:0}
body.coc-studio #cocStudio .coc-st-pick-roots > .row-label{display:flex;justify-content:space-between;align-items:center;margin:0;font:400 13px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-dial{position:relative;width:380px;height:380px;flex:0 0 auto}
body.coc-studio #cocStudio .coc-st-dial-center{
  position:absolute;left:130px;top:130px;width:120px;height:120px;border-radius:50%;border:1px dashed var(--st-teal);
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none;
}
body.coc-studio #cocStudio .coc-st-dial-center .r{font:600 52px/1 var(--st-display);color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-dial-center .s{max-width:96px;font-size:11px;line-height:1.3;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots{position:absolute!important;inset:0;display:block!important;margin:0;padding:0;gap:0;border:0;background:none}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip{
  position:absolute;translate:-50% -50%;transform:none;display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;min-width:0;min-height:0;margin:0;padding:0;border:1px solid var(--st-teal);border-radius:50%;
  background:transparent;color:var(--st-ink);font:400 19px/1 var(--st-display);letter-spacing:0;box-shadow:none;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip.enharmonic{width:80px;border-radius:27px;overflow:hidden;padding:0;gap:0}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip.enharmonic .root-option{
  flex:1 1 50%;align-self:stretch;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;margin:0;padding:0;
  border:0;border-radius:0;background:transparent;color:inherit;font:400 17px/1 var(--st-display);box-shadow:none;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip.enharmonic .root-option + .root-option{border-left:1px solid var(--st-teal)}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip:is(.active,[aria-pressed="true"]):not(.enharmonic),
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip.enharmonic .root-option:is(.active,.selected,.selected-spelling,[aria-pressed="true"]){background:var(--st-ink);border-color:var(--st-ink);color:var(--st-cream);font-weight:600}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip.enharmonic.active{border-color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > .chip:active{opacity:.8}
body.coc-studio #cocStudio .coc-st-pick-types{display:flex;flex-direction:column;gap:12px;min-width:0}
body.coc-studio #cocStudio .coc-st-picker details{flex:0 0 auto;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;overflow:visible;max-height:none}
body.coc-studio #cocStudio .coc-st-picker details > summary{display:none}
body.coc-studio #cocStudio .coc-st-pick-types details > .row-label{display:none}
body.coc-studio #cocStudio .coc-st-picker .chip-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0}
body.coc-studio #cocStudio .coc-st-picker .chip-group{display:flex;flex-direction:column;gap:6px;min-width:0;margin:0;padding:0;border:0;background:none}
body.coc-studio #cocStudio .coc-st-picker .chip-group-label{margin:0;font:400 13px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-pick-types .chip-group > .chip-row{display:flex;flex-direction:column;gap:4px;margin:0}
body.coc-studio #cocStudio .coc-st-pick-types .chip-row:not(.chip-group > .chip-row){display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 12px}
body.coc-studio #cocStudio .coc-st-pick-types .chip{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;min-width:0;min-height:44px;margin:0;padding:6px 12px;
  border:1px solid transparent;border-radius:10px;background:transparent;color:var(--st-ink);box-shadow:none;transform:none;
  font:400 17px/1.25 var(--st-display);letter-spacing:0;text-align:left;text-transform:none;white-space:normal;cursor:pointer;
}
body.coc-studio #cocStudio .coc-st-pick-types .chip::after{content:attr(data-coc-formula);flex:0 0 auto;font:400 12px/1.25 var(--st-mono);color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-pick-types .chip:is(.active,[aria-pressed="true"]){background:var(--st-paper-2);border-color:var(--st-coral-deep);font-weight:600}
body.coc-studio #cocStudio .coc-st-pick-types .chip:hover{border-color:var(--st-ink-line)}
body.coc-studio #cocStudio .coc-st-picker:not(.coc-st-show-all)[data-limit="6"] .chip-group > .chip-row > .chip:nth-child(n+7):not(.active):not([aria-pressed="true"]),
body.coc-studio #cocStudio .coc-st-picker:not(.coc-st-show-all)[data-limit="12"] .coc-st-pick-types .chip-row > .chip:nth-child(n+13):not(.active):not([aria-pressed="true"]){display:none}
body.coc-studio #cocStudio .coc-st-all{align-self:flex-start;min-height:44px;padding:0 4px;border:0;background:none;color:var(--st-coral-ink);font-size:15px;font-weight:500;cursor:pointer}
body.coc-studio #cocStudio .coc-st-pick-extra{
  grid-column:1 / -1;display:flex;align-items:center;flex-wrap:wrap;gap:14px 28px;padding-top:16px;border-top:1px solid var(--st-ink-line);
}
body.coc-studio #cocStudio .coc-st-pick-extra .bass-control{display:flex;align-items:center;gap:10px;margin:0}
body.coc-studio #cocStudio .coc-st-pick-extra .bass-control label{font:400 14px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-picker select{
  min-height:44px;padding:0 12px;border:1px solid var(--st-teal);border-radius:10px;background:var(--st-paper-2);color:var(--st-ink);
  font:400 15px/1.2 var(--st-mono);box-shadow:none;
}
body.coc-studio #cocStudio .coc-st-pick-extra details{flex:1 1 420px;min-width:0}
body.coc-studio #cocStudio .coc-st-pick-extra details{display:block}
body.coc-studio #cocStudio .coc-st-pick-extra .color-row-header{display:flex!important;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 14px;margin:0 0 8px;font:400 14px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-pick-extra .color-row-header > span{display:inline!important;font-size:14px;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-pick-extra #colorRow{display:flex;flex-wrap:wrap;gap:6px;margin:0}
body.coc-studio #cocStudio .coc-st-pick-extra :is(#colorRow .chip,.tension-advanced-toggle){
  display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:44px;min-width:52px;margin:0;padding:0 12px;border:1px solid var(--st-teal);border-radius:999px;
  background:transparent;color:var(--st-ink);font:400 14px/1 var(--st-mono);letter-spacing:0;box-shadow:none;transform:none;
}
body.coc-studio #cocStudio .coc-st-pick-extra #colorRow .chip:disabled,body.coc-studio #cocStudio .coc-st-pick-extra #colorRow .chip.advanced{opacity:.55}
body.coc-studio #cocStudio .coc-st-pick-extra .tension-badge{margin:0;padding:1px 3px;border-radius:3px;background:none;font-size:8px;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-pick-extra :is(#colorRow .chip,.tension-advanced-toggle):is(.active,[aria-pressed="true"]){background:var(--st-coral-deep);border-color:var(--st-coral-deep);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-pick-extra .color-rule-msg{margin:8px 0 0;font-size:12px;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-pick-extra .coc-st-pick-adv{margin-left:auto;border-color:var(--st-teal);color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-pick-types .scale-direction-label{font-size:13px;color:var(--st-ink-muted)}

/* ô tìm hợp âm bằng chữ, trên thanh trên khi đang đổi hợp âm */
body.coc-studio #cocStudio .coc-st-pickhead{align-items:center;gap:18px}
body.coc-studio #cocStudio .coc-st-pickname{font:600 34px/1 var(--st-display);color:var(--st-text);white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
body.coc-studio #cocStudio[data-kind="scale"] .coc-st-finder{display:none}
body.coc-studio #cocStudio .coc-st-finder{position:relative;display:block;margin:0;padding:0;border:0;background:none;box-shadow:none}
body.coc-studio #cocStudio .coc-st-finder > :is(.row-label,.quick-finder-hint){display:none}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-form{display:flex;align-items:center;gap:0;margin:0;border-radius:999px;background:var(--st-paper);overflow:hidden}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-input{
  width:250px;min-height:44px;margin:0;padding:0 8px 0 18px;border:0;border-radius:0;background:transparent;color:var(--st-ink);
  font:400 15px/1.2 var(--st-mono);box-shadow:none;
}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-input::placeholder{color:var(--text-muted)}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-form button{min-height:44px;margin:0;padding:0 16px;border:0;border-radius:0;background:var(--st-ink);color:var(--st-cream);font:500 13px/1 var(--st-sans);letter-spacing:0;text-transform:none;box-shadow:none}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-status{position:absolute;left:18px;top:calc(100% + 4px);margin:0;font-size:12px;color:var(--st-muted);white-space:nowrap}
body.coc-studio #cocStudio .coc-st-finder .quick-finder-status:empty{display:none}
@media (max-width:1000px){body.coc-studio #cocStudio .coc-st-finder .quick-finder-input{width:180px}body.coc-studio #cocStudio .coc-st-pickname{font-size:28px;max-width:160px}}

/* ---------- các tấm bật lên ---------- */
body.coc-studio #cocStudio dialog.coc-st-sheet{
  width:min(720px,calc(100vw - 48px));max-width:none;max-height:calc(100dvh - 96px);margin:auto;padding:0;border:1px solid var(--st-gold);border-radius:20px;
  background:var(--st-paper);color:var(--st-ink);box-shadow:var(--m-shadow);overflow:auto;overscroll-behavior:contain;
  font-family:var(--st-sans);font-size:15px;line-height:1.5;
}
body.coc-studio #cocStudio dialog.coc-st-sheet:not([open]){display:none}
body.coc-studio #cocStudio dialog.coc-st-sheet[open]{display:block}
body.coc-studio #cocStudio dialog.coc-st-sheet::backdrop{background:var(--st-shade)}
body.coc-studio #cocStudio dialog.coc-st-popover{position:fixed;inset:calc(var(--st-top) + env(safe-area-inset-top)) max(var(--st-pad),env(safe-area-inset-right)) auto auto;width:min(540px,calc(100vw - 48px));margin:0}
body.coc-studio #cocStudio .coc-st-sheet-head{
  width:auto;max-width:none;margin:0;text-align:left;animation:none;
  position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 28px 12px;background:var(--st-paper);
}
body.coc-studio #cocStudio .coc-st-sheet-head h2{margin:0;font:600 28px/1.2 var(--st-display);letter-spacing:0;text-transform:none;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-sheet-body{display:flex;flex-direction:column;gap:18px;padding:4px 28px calc(24px + env(safe-area-inset-bottom))}
body.coc-studio #cocStudio .coc-st-sheet .coc-st-label{color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-sheet :is(.chip,button.action){
  min-height:44px;padding:0 14px;border:1px solid var(--st-teal);border-radius:999px;background:transparent;color:var(--st-ink);
  font:400 14px/1.2 var(--st-sans);letter-spacing:0;text-transform:none;box-shadow:none;transform:none;
}
body.coc-studio #cocStudio .coc-st-sheet :is(.chip,button.action):is(.active,[aria-pressed="true"]){background:var(--st-coral-deep);border-color:var(--st-coral-deep);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-sheet :is(select,input[type="text"],input[type="number"]){
  min-height:44px;padding:0 12px;border:1px solid var(--st-teal);border-radius:10px;background:var(--st-paper-2);color:var(--st-ink);font:400 15px/1.2 var(--st-sans);box-shadow:none;max-width:100%;
}
body.coc-studio #cocStudio .coc-st-sheet input[type="range"]{accent-color:var(--st-coral-deep);width:100%;min-height:32px}
body.coc-studio #cocStudio .coc-st-sheet :is(input[type="checkbox"],input[type="radio"]){accent-color:var(--st-coral-deep);width:20px;height:20px}
body.coc-studio #cocStudio .coc-st-sheet details{margin:0;padding:12px 0 0;border:0;border-top:1px solid var(--st-ink-line);border-radius:0;background:none;box-shadow:none}
body.coc-studio #cocStudio .coc-st-sheet details > summary{min-height:44px;display:flex;align-items:center;gap:8px;cursor:pointer}
body.coc-studio #cocStudio .coc-st-sheet :is(.compact-section-title,.row-label,.chip-group-label){font:500 14px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-sheet .compact-section-value{font:400 13px/1.4 var(--st-sans);color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-sheet :is(p,small,.pattern-hint,.scroll-hint,.guitar-fingering-scope){font-size:14px;line-height:1.55;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-sheet .chip-row{display:flex;flex-wrap:wrap;gap:6px}
body.coc-studio #cocStudio .coc-st-sheet section{margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
body.coc-studio #cocStudio .coc-st-group{display:flex;flex-direction:column;gap:8px}
body.coc-studio #cocStudio .coc-st-group-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px}
body.coc-studio #cocStudio .coc-st-group-row .lang-switch{display:flex;gap:6px}
body.coc-studio #cocStudio .coc-st-group footer{margin:0;padding:0;border:0;background:none;text-align:left;font-size:13px;line-height:1.55;color:var(--st-ink-muted)}

/* Nhịp */
body.coc-studio #cocStudio .coc-st-tempo{display:flex;align-items:center;gap:16px}
body.coc-studio #cocStudio .coc-st-round{display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex:0 0 auto;padding:0;border:1px solid var(--st-teal);border-radius:50%;background:transparent;color:var(--st-ink);cursor:pointer}
body.coc-studio #cocStudio .coc-st-bpm{display:flex;align-items:baseline;gap:8px;min-width:150px;justify-content:center}
body.coc-studio #cocStudio .coc-st-bpm .n{font:600 72px/1 var(--st-display);color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-bpm .u{font:400 13px/1.2 var(--st-mono);color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-tempo #tapTempoBtn{margin-left:auto;border-color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-sheet .tb-group{display:flex;flex-direction:column;gap:8px;min-width:0;margin:0;padding:0;border:0;background:none}
body.coc-studio #cocStudio .coc-st-sheet .coc-tb-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:0;height:auto}
body.coc-studio #cocStudio .coc-st-sheet .tb-label{font:400 13px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-sheet .tb-tempo #tempoOut{display:none}
body.coc-studio #cocStudio .coc-st-sheet .tb-controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-width:0}
body.coc-studio #cocStudio .coc-st-sheet .tb-tempo .tb-controls{display:block}
body.coc-studio #cocStudio .coc-st-sheet #meterControl{display:flex;gap:10px;flex-wrap:wrap;margin:0;padding:0;border:0;background:none}
body.coc-studio #cocStudio .coc-st-sheet #meterControl .meter-chip{
  width:64px;height:64px;min-height:0;padding:0;border:1px solid var(--st-teal);border-radius:14px;background:transparent;color:var(--st-ink);
  font:600 20px/1 var(--st-display);
}
body.coc-studio #cocStudio .coc-st-sheet #meterControl .meter-chip:is(.active,[aria-pressed="true"]){background:var(--st-ink);border-color:var(--st-ink);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-sheet .beat-indicator{display:flex;gap:6px}
body.coc-studio #cocStudio .coc-st-sheet .beat-dot{width:8px;height:8px;border-radius:50%;background:var(--st-ink-line)}
body.coc-studio #cocStudio .coc-st-patterns{display:flex;flex-direction:column;gap:10px}
body.coc-studio #cocStudio .coc-st-patrow{display:grid;grid-template-columns:64px minmax(0,1fr);align-items:start;gap:8px}
body.coc-studio #cocStudio .coc-st-patname{padding-top:10px;font-size:13px;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-patrow details{padding:0;border:0}
body.coc-studio #cocStudio .coc-st-patrow details > :is(summary,.row-label){display:none}
body.coc-studio #cocStudio .coc-st-patrow .chip-row{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
body.coc-studio #cocStudio :is(.coc-st-picker,.coc-st-sheet,.coc-st-aside) details > :is(.chip-row,.chip-groups){margin:0}
body.coc-studio #cocStudio .coc-st-patrow .chip.pattern{min-height:40px;font-size:14px}
body.coc-studio #cocStudio .coc-st-patrow:not(.coc-st-all) .chip.pattern:nth-child(n+6):not(.active):not([aria-pressed="true"]){display:none}
body.coc-studio #cocStudio .coc-st-morepat{grid-column:2;justify-self:start;min-height:40px;padding:0 4px;border:0;background:none;color:var(--st-coral-ink);font-size:14px;cursor:pointer}
/* Thanh âm thanh gốc nằm nguyên trong bảng Nhịp; các nhóm hiện theo thứ tự của bản thiết kế. */
body.coc-studio #cocStudio .coc-st-rhythm{display:flex;flex-direction:column;gap:18px;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
body.coc-studio #cocStudio #soundBar{display:contents}
body.coc-studio #cocStudio .coc-st-rhythm > .coc-st-tempo{order:1}
body.coc-studio #cocStudio #soundBar > .tb-tempo{order:2}
body.coc-studio #cocStudio #soundBar > .tb-meter{order:3}
body.coc-studio #cocStudio .coc-st-rhythm > .coc-st-patterns{order:4}
body.coc-studio #cocStudio #soundBar > .tb-toggles{order:5;padding-top:16px;border-top:1px solid var(--st-ink-line)}
body.coc-studio #cocStudio #soundBar > .tb-reverb{order:6}
body.coc-studio #cocStudio #soundBar > :not(.tb-group){order:7}
body.coc-studio #cocStudio #soundBar .tb-group{display:flex;flex-direction:column;gap:8px;min-width:0;margin:0;padding:0;border:0;background:none}
body.coc-studio #cocStudio #soundBar > .tb-toggles{padding-top:16px;border-top:1px solid var(--st-ink-line)}
body.coc-studio #cocStudio #soundBar .tb-label{font:400 13px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-ink-muted)}
body.coc-studio #cocStudio #soundBar .tb-controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-width:0;min-height:0}
body.coc-studio #cocStudio #soundBar .tb-tempo .tb-controls{display:block}
body.coc-studio #cocStudio #soundBar #tempoOut{display:none}
body.coc-studio #cocStudio #soundBar #meterControl{display:flex;gap:10px;flex-wrap:wrap;width:auto;margin:0;padding:0;border:0;background:none}
body.coc-studio #cocStudio #soundBar #meterControl .meter-chip{
  flex:0 0 auto;width:64px;height:64px;min-width:0;min-height:0;padding:0;border:1px solid var(--st-teal);border-radius:14px;background:transparent;color:var(--st-ink);
  font:600 20px/1 var(--st-display);letter-spacing:0;
}
body.coc-studio #cocStudio #soundBar #meterControl .meter-chip:is(.active,[aria-pressed="true"]){background:var(--st-ink);border-color:var(--st-ink);color:var(--st-cream)}
body.coc-studio #cocStudio #soundBar .chip{min-height:44px;padding:0 14px;border:1px solid var(--st-teal);border-radius:999px;background:transparent;color:var(--st-ink);font:400 14px/1.2 var(--st-sans);letter-spacing:0;box-shadow:none}
body.coc-studio #cocStudio #soundBar .chip:is(.active,[aria-pressed="true"]){background:var(--st-coral-deep);border-color:var(--st-coral-deep);color:var(--st-cream)}
body.coc-studio #cocStudio #soundBar .humanize-control{display:flex;align-items:center;flex-wrap:nowrap;gap:8px;width:auto;max-width:100%;min-height:44px;padding:0 14px;white-space:nowrap}
body.coc-studio #cocStudio #soundBar #humanizeVal{min-width:3.2ch;text-align:right}
body.coc-studio #cocStudio #soundBar .humanize-control input[type="range"]{flex:1 1 120px;width:auto}
body.coc-studio #cocStudio #soundBar .tb-reverb .tb-controls{display:block}
body.coc-studio #cocStudio #soundBar .reverb-slider{display:block;flex:1 1 100%}
body.coc-studio #cocStudio #soundBar .reverb-scale{display:flex;justify-content:space-between;font:400 11px/1.2 var(--st-mono);color:var(--st-ink-muted)}
body.coc-studio #cocStudio #soundBar :is(#tempoRange,#reverbRange,#humanizeRange){accent-color:var(--st-coral-deep)}
body.coc-studio #cocStudio #soundBar .bpm{font:500 14px/1 var(--st-mono);color:var(--st-ink)}
body.coc-studio #cocStudio #soundBar .beat-indicator{display:flex;gap:6px}
body.coc-studio #cocStudio #soundBar .sound-bar-hint{font-size:13px;color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-play:disabled{opacity:.4;cursor:default}

/* ---------- Bản đồ ---------- */
body.coc-studio #cocStudio .coc-st-mapsec{
  display:grid;grid-template-columns:minmax(0,600px) minmax(0,1fr);gap:28px;align-items:start;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-text);
}
@media (orientation:portrait){body.coc-studio #cocStudio .coc-st-mapsec{grid-template-columns:minmax(0,1fr)}}
body.coc-studio #cocStudio .coc-st-mapsec > :not(.coc-st-map-left):not(.coc-st-map-right){display:none!important}
body.coc-studio #cocStudio .coc-st-map-left,body.coc-studio #cocStudio .coc-st-map-right{min-width:0;display:flex;flex-direction:column;gap:16px}
body.coc-studio #cocStudio .coc-st-ring{position:relative;width:600px;height:600px;max-width:100%;align-self:center}
body.coc-studio #cocStudio .coc-st-ring::before,body.coc-studio #cocStudio .coc-st-ring::after{content:'';position:absolute;border:1px solid var(--st-line);border-radius:50%;pointer-events:none}
body.coc-studio #cocStudio .coc-st-ring::before{inset:6px}
body.coc-studio #cocStudio .coc-st-ring::after{inset:110px}
body.coc-studio #cocStudio .coc-st-ring .circle-wrap{position:absolute;left:0;top:0;width:280px;height:280px;margin:0;padding:0;transform:scale(2.143);transform-origin:0 0;background:none;border:0}
body.coc-studio #cocStudio .coc-st-ring .circle-of-fifths{position:relative;width:280px;height:280px;margin:0;background:none;border:0;box-shadow:none}
body.coc-studio #cocStudio .coc-st-ring .circle-of-fifths::before,body.coc-studio #cocStudio .coc-st-ring .circle-of-fifths::after{display:none}
body.coc-studio #cocStudio .coc-st-ring .cof-key{
  border:1px solid var(--st-line);background:var(--st-ground);color:var(--st-muted);box-shadow:none;font-family:var(--st-display);font-weight:400;
}
body.coc-studio #cocStudio .coc-st-ring .cof-key .cof-label{background:none;border:0;color:inherit;font-family:var(--st-display);box-shadow:none}
body.coc-studio #cocStudio .coc-st-ring .cof-key.coc-st-inkey{background:var(--st-paper);border-color:var(--st-paper);color:var(--st-ink);font-weight:600}
body.coc-studio #cocStudio .coc-st-ring .cof-key.active{background:var(--peach);border-color:var(--peach);color:var(--ivory);font-weight:600}
body.coc-studio #cocStudio .coc-st-ring-center{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:200px;display:flex!important;flex-direction:column;align-items:center;gap:4px;
  margin:0;padding:0;text-align:center;pointer-events:none;
}
body.coc-studio #cocStudio .coc-st-ring-center .symbol{font:600 26px/1.2 var(--st-display);color:var(--st-text);text-shadow:none;letter-spacing:0;white-space:normal}
body.coc-studio #cocStudio .coc-st-ring-note{margin:0;font-size:12px;line-height:1.35;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-degrees{display:flex;flex-direction:column;gap:10px;padding-top:12px;border-top:1px solid var(--st-line)}
body.coc-studio #cocStudio .coc-st-degrees .row-label{margin:0;font:400 13px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-degrees .chip-row{display:flex;flex-wrap:wrap;gap:6px;margin:0}
body.coc-studio #cocStudio .coc-st-degrees .pattern-hint{font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-prog{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:0;padding:12px 0 0;border:0;border-top:1px solid var(--st-line);border-radius:0;background:none;box-shadow:none;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-prog .symbol-row{display:flex;align-items:baseline;gap:10px}
body.coc-studio #cocStudio .coc-st-prog .symbol{font:600 40px/1 var(--st-display);color:var(--st-text);text-shadow:none}
body.coc-studio #cocStudio .coc-st-prog .coc-scope{display:none}
body.coc-studio #cocStudio .coc-st-prog .inv-badge{padding:2px 10px;border:1px solid var(--st-line);border-radius:999px;background:none;color:var(--st-muted);font:400 13px/1.4 var(--st-mono)}
body.coc-studio #cocStudio .coc-st-prog .theory-line{font-size:14px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-prog .btns{display:flex;gap:10px;margin:0}
body.coc-studio #cocStudio :is(.coc-st-prog,.coc-st-jsec,.coc-st-mapsec) button.action{
  min-height:44px;padding:0 18px;border:1px solid var(--st-gold);border-radius:999px;background:transparent;color:var(--st-text);
  font:400 14px/1.2 var(--st-sans);letter-spacing:0;text-transform:none;box-shadow:none;transform:none;
}
/* Metro: gợi ý ga tiếp theo, kèm lý do */
body.coc-studio #cocStudio .coc-st-map-right .coc-metro{margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-text)}
body.coc-studio #cocStudio .coc-metro-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 6px}
body.coc-studio #cocStudio .coc-metro-title{display:none}
body.coc-studio #cocStudio .coc-metro:not(.coc-st-more) :is(.coc-metro-modes,.coc-metro-key,.coc-metro-lock,.coc-metro-styles,.coc-metro-map,.coc-metro-field,.coc-metro-plan,.coc-metro-note,.coc-metro-routes,.coc-metro-sub ~ .coc-metro-sub,.coc-metro-pct-row){display:none}
body.coc-studio #cocStudio .coc-metro-key{font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-metro-body{display:flex;flex-direction:column;gap:12px}
body.coc-studio #cocStudio .coc-metro-map{width:200px;height:200px;align-self:center}
body.coc-studio #cocStudio .coc-metro-side{display:flex;flex-direction:column;gap:6px;min-width:0}
body.coc-studio #cocStudio .coc-metro-here-row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px}
body.coc-studio #cocStudio .coc-metro-here{margin:0;font:600 26px/1.25 var(--st-display);color:var(--st-text)}
body.coc-studio #cocStudio .coc-metro-here-tools{display:flex;gap:6px}
body.coc-studio #cocStudio .coc-metro-here-tools .chip{min-height:36px;font-size:13px}
body.coc-studio #cocStudio .coc-metro-sub{margin:4px 0 0;font:400 12px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-metro-next{display:flex;flex-direction:column;margin:0;padding:0;list-style:none}
body.coc-studio #cocStudio .coc-metro-item{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 12px;padding:12px 0;border-top:1px solid var(--st-line);
}
body.coc-studio #cocStudio .coc-metro-pick{
  display:flex;align-items:center;gap:12px;min-height:44px;min-width:0;margin:0;padding:0;border:0;background:none;color:var(--st-text);text-align:left;cursor:pointer;
}
body.coc-studio #cocStudio .coc-metro-rank{display:none}
body.coc-studio #cocStudio .coc-metro-sym{min-width:54px;font:600 30px/1 var(--st-display);color:var(--st-text)}
body.coc-studio #cocStudio .coc-metro-roman{min-width:34px;font:400 13px/1 var(--st-mono);color:var(--st-muted)}
body.coc-studio #cocStudio .coc-metro-bar{flex:1 1 auto;min-width:60px;height:6px;border-radius:3px;background:var(--st-line);overflow:hidden}
body.coc-studio #cocStudio .coc-metro-bar i{display:block;height:100%;border-radius:3px;background:var(--st-gold)}
body.coc-studio #cocStudio .coc-metro-pct{min-width:38px;font:400 13px/1 var(--st-mono);text-align:right;color:var(--st-text)}
body.coc-studio #cocStudio .coc-metro-play{
  display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex:0 0 auto;margin-left:auto;border:1px solid var(--st-gold);border-radius:50%;font-size:12px;color:var(--st-text);
}
body.coc-studio #cocStudio .coc-st-map-right .coc-metro-add{width:auto;min-width:0;max-width:none;min-height:44px;padding:0 16px;white-space:nowrap}
body.coc-studio #cocStudio .coc-metro-why{grid-column:1 / -1;margin:0;font-size:14px;line-height:1.45;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-metro .coc-metro-pct-row,.coc-metro .coc-metro-plan{display:flex;flex-wrap:wrap;gap:8px}
body.coc-studio #cocStudio .coc-metro-field{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-metro-select{min-height:40px;padding:0 10px;border:1px solid var(--st-gold);border-radius:10px;background:transparent;color:var(--st-text);font:400 14px/1 var(--st-sans)}
body.coc-studio #cocStudio .coc-metro-select option{color:var(--text);background:var(--panel)}
body.coc-studio #cocStudio .coc-metro-note,body.coc-studio #cocStudio .coc-metro-status{margin:0;font-size:13px;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-metro-more{align-self:flex-start}

/* ---------- Hành trình ---------- */
body.coc-studio #cocStudio .coc-st-jsec{display:flex;flex-direction:column;gap:14px;margin:0;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-jsec > :is(h2,#cocSections,.grid-toolbar){display:none!important}
body.coc-studio #cocStudio .coc-st-jrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
body.coc-studio #cocStudio .coc-st-jrow .coc-st-gap{flex:1 1 auto}
body.coc-studio #cocStudio .coc-st-jrow #cocSectionTabs{display:flex;flex-wrap:wrap;gap:8px}
body.coc-studio #cocStudio .coc-st-jrow .coc-sec-tab{min-height:44px;padding:0 18px;border:1px solid var(--st-gold);border-radius:12px;background:transparent;color:var(--st-text);font:400 15px/1 var(--st-sans)}
body.coc-studio #cocStudio .coc-st-jrow .coc-sec-tab:is(.active,[aria-pressed="true"]){background:var(--st-paper);border-color:var(--st-paper);color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-addsec{min-height:44px;padding:0 14px;border:0;background:none;color:var(--st-coral-light);font-size:15px;cursor:pointer}
body.coc-studio #cocStudio .coc-st-playon{display:flex;align-items:center;gap:8px;font:400 14px/1.4 var(--st-sans);letter-spacing:0;text-transform:none;color:var(--st-text)}
body.coc-studio #cocStudio .coc-st-playon select{min-height:44px;padding:0 12px;border:0;border-radius:10px;background:var(--st-paper);color:var(--st-ink);font:400 15px/1 var(--st-sans)}
body.coc-studio #cocStudio .coc-st-jsec .coc-view-switch{display:flex;gap:4px;padding:3px;border:1px solid var(--st-gold);border-radius:999px}
body.coc-studio #cocStudio .coc-st-views .coc-view-switch{display:flex;gap:4px;margin:0;padding:3px;border:1px solid var(--st-gold);border-radius:999px;background:none}
body.coc-studio #cocStudio .coc-st-views .coc-view-switch .chip{min-height:38px;padding:0 16px;border:0;border-radius:999px;background:transparent;color:var(--st-text);font:400 14px/1 var(--st-sans);box-shadow:none}
body.coc-studio #cocStudio .coc-st-views .coc-view-switch .chip:is(.active,[aria-pressed="true"]){background:var(--st-paper);color:var(--st-ink)}
body.coc-studio:not(.dark) #cocStudio .coc-st-views .coc-view-switch .chip:is(.active,[aria-pressed="true"]){background:var(--st-ink);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-mapmodes .chip-row{display:flex;gap:4px;margin:0!important;padding:3px;border:1px solid var(--st-gold);border-radius:999px}
body.coc-studio #cocStudio .coc-st-mapmodes .chip{min-height:38px;padding:0 16px;border:0;border-radius:999px;background:transparent;color:var(--st-text);font:400 14px/1 var(--st-sans);box-shadow:none}
body.coc-studio #cocStudio .coc-st-mapmodes .chip:is(.active,[aria-pressed="true"]){background:var(--st-paper);color:var(--st-ink)}
body.coc-studio:not(.dark) #cocStudio .coc-st-mapmodes .chip:is(.active,[aria-pressed="true"]){background:var(--st-ink);color:var(--st-cream)}
body.coc-studio #cocStudio .coc-st-jsec .pad-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;counter-reset:coc-st-bar}
body.coc-studio #cocStudio .coc-st-jsec .pad{
  position:relative;counter-increment:coc-st-bar;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-end;gap:6px;min-width:0;min-height:104px;
  padding:30px 14px 10px;border:1px solid var(--st-paper);border-radius:14px;background:var(--st-paper);color:var(--st-ink);box-shadow:none;transform:none;
}
body.coc-studio #cocStudio .coc-st-jsec .pad::before{content:counter(coc-st-bar);position:absolute;left:14px;top:10px;font:400 12px/1 var(--st-mono);color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-jsec .pad:not(.filled){align-items:center;justify-content:center;padding-top:10px;border:1px dashed var(--st-line);background:transparent;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-jsec .pad:not(.filled)::before{color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-jsec .pad .plus{font:400 26px/1 var(--st-display);color:inherit}
body.coc-studio #cocStudio .coc-st-jsec .pad.coc-now,
body.coc-studio #cocStudio .coc-st-jsec .pad:is(.playing,.selected,.active){background:var(--st-paper-2);border:3px solid var(--st-coral)}
body.coc-studio #cocStudio .coc-st-jsec .pad .pad-meter{position:absolute;right:14px;top:9px;margin:0;font:400 12px/1 var(--st-mono);color:var(--st-ink-muted);opacity:1}
body.coc-studio #cocStudio .coc-st-jsec .pad.filled{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-content:end;gap:6px}
body.coc-studio #cocStudio .coc-st-jsec .pad.filled > :is(.pad-play,.piano-pad-guide,.guitar-pad-guide,.coc-split){grid-column:1 / -1}
body.coc-studio #cocStudio .coc-st-jsec .pad .pad-play{order:-1;min-height:44px;margin:0;padding:0;border:0;background:none;color:inherit;text-align:left;cursor:pointer}
body.coc-studio #cocStudio .coc-st-jsec .pad .psym{font:600 30px/1.1 var(--st-display);color:inherit;letter-spacing:0;overflow-wrap:anywhere}
body.coc-studio #cocStudio .coc-st-jsec .pad .piano-pad-guide{font:400 11px/1.35 var(--st-mono);color:var(--st-ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body.coc-studio #cocStudio .coc-st-jsec .pad > select{justify-self:stretch;min-width:0;max-width:none;width:100%!important;min-height:32px!important;border:1px solid var(--st-ink-line)!important;border-radius:8px;background:var(--st-paper-2)!important;color:var(--st-ink)!important}
body.coc-studio #cocStudio .coc-st-jsec .pad :is(.pad-edit,.clear){position:absolute;top:0;min-width:40px;min-height:40px;padding:0;border:0;background:none;color:var(--st-ink-muted);font-size:16px;line-height:1}
body.coc-studio #cocStudio .coc-st-jsec .pad .clear{right:0}
body.coc-studio #cocStudio .coc-st-jsec .pad .pad-edit{right:40px}
body.coc-studio #cocStudio .coc-st-jsec .pad.filled .pad-meter{right:84px}
body.coc-studio #cocStudio .coc-st-jsec :is(#voicingStatus,#saveMsg,.autosave-badge){font-size:14px;line-height:1.5;color:var(--st-muted)}
body.coc-studio #cocStudio .coc-st-jsec #cocMetroOpen{align-self:flex-start;min-height:44px;padding:0 4px;border:0;background:none;color:var(--st-coral-light);font-weight:500}
body.coc-studio #cocStudio .coc-st-jsec .coc-sheet{color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-jsec .coc-sheet .coc-sheet-tools .chip,body.coc-studio #cocStudio .coc-st-jsec .coc-sheet button.action{border-color:var(--st-gold)}
body.coc-studio #cocStudio .coc-st-jsec .coc-mel{margin:0;border-radius:14px;color:var(--st-ink)}
body.coc-studio #cocStudio .coc-st-jsec .coc-mel :is(button.action,select,.chip){border-color:var(--st-teal);color:var(--st-ink);background:transparent}
body.coc-studio #cocStudio .coc-st-jsec .coc-mel :is(.coc-mel-sum,.coc-mel-state,.coc-mel-sel,.coc-mel-legend){color:var(--st-ink-muted)}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(1){left:190.0px;top:40.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(2){left:265.0px;top:60.1px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(3){left:319.9px;top:115.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(4){left:340.0px;top:190.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(5){left:319.9px;top:265.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(6){left:265.0px;top:319.9px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(7){left:190.0px;top:340.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(8){left:115.0px;top:319.9px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(9){left:60.1px;top:265.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(10){left:40.0px;top:190.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(11){left:60.1px;top:115.0px}
body.coc-studio #cocStudio .coc-st-dial .coc-st-roots > :nth-child(12){left:115.0px;top:60.1px}