:root{--bg:#111418;--bg2:#181c22;--bg3:#20262e;--line:#2c333d;--fg:#e6e9ee;--mut:#8d97a5;--acc:#4fb3ff;--acc2:#ffb347;--rec:#ff4d5e;--ok:#3ecf72;--warn:#f0b43c;--bad:#e5534b;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono","DejaVu Sans Mono",monospace;
  --sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font:14px/1.35 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
button,select,input,textarea{font:inherit;color:inherit}
button{background:var(--bg3);border:1px solid var(--line);border-radius:7px;padding:5px 10px;cursor:pointer;white-space:nowrap}
button:hover{border-color:#46505e}button:active{transform:translateY(1px)}
button.accent{background:#1d4f78;border-color:#2b6aa0}button.accent2{background:#5a3d12;border-color:#8a5d1b}
button.ghost{background:transparent;border-color:transparent}
button.danger{background:#5b1d22;border-color:#8b2a33}
button.on{background:#1d4f78;border-color:var(--acc)}
select,input[type=number],input[type=text],input[type=search],input:not([type]),textarea{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:4px 6px}
input[type=number]{width:5em}
input[type=range]{accent-color:var(--acc);vertical-align:middle}
label{color:var(--mut)}label.chk{color:var(--fg);cursor:pointer}
.hidden{display:none!important}.muted{color:var(--mut)}.small{font-size:12px}.mono{font-family:var(--mono)}.grow{flex:1}
.sep{width:1px;height:22px;background:var(--line)}
.view{height:100%}
#studio{display:flex;flex-direction:column;min-height:100%;height:auto}
.topbar,.transport,.tempo{display:flex;align-items:center;gap:8px;padding:6px 12px;flex-wrap:wrap;border-bottom:1px solid var(--line);position:relative}
.topbar{background:var(--bg2)}.brand{font-weight:700;letter-spacing:.2px;margin-right:6px}
.menu{position:absolute;top:100%;z-index:50;background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:6px;display:flex;flex-direction:column;gap:4px;min-width:220px;box-shadow:0 8px 30px #0008}
.menu.right{right:8px}.menu button{text-align:left;background:transparent;border-color:transparent}.menu button:hover{background:var(--bg3)}
.menu hr{border:0;border-top:1px solid var(--line);width:100%}
#projMenu{left:200px}
.transport .big{font-size:20px;width:46px;height:40px;padding:0}
.transport .rec{color:var(--rec)}.transport .rec.on{background:var(--rec);color:#fff;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}
.pos{font-family:var(--mono);min-width:110px}#posBar{font-size:16px;font-weight:700}#posTime{color:var(--mut);font-size:12px}
.loopinfo input{width:4.2em}.grp{display:flex;align-items:center;gap:6px}
.vols label{display:inline-flex;align-items:center;gap:4px}.vols input{width:80px}
.wavewrap{position:relative;height:170px;border-bottom:1px solid var(--line);background:#0c0f12}
#wave{width:100%;height:100%;display:block;cursor:crosshair}
.zoom{position:absolute;right:8px;top:6px;display:flex;gap:4px}.zoom button{padding:2px 8px;background:#000a}
.overview{padding:6px 12px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}
#barStrip{flex:1;height:22px;cursor:pointer}#progress{min-width:230px;text-align:right;font-size:12px}
.cols{display:grid;grid-template-columns:minmax(260px,1fr) minmax(320px,1.3fr) minmax(340px,1.5fr);gap:0;flex:1;min-height:320px}
.panel{border-right:1px solid var(--line);padding:8px 12px;overflow:auto;max-height:calc(100vh - 360px);min-height:300px}
.phead{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:6px}.phead h3{margin:0 6px 0 0;font-size:14px}
.phead button{padding:3px 8px;font-size:12px}
.sec{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px;cursor:pointer;border-left:4px solid var(--c,#555);margin-bottom:2px}
.sec:hover{background:var(--bg2)}.sec.cur{background:var(--bg3)}.sec .nm{flex:1}.sec .rg{font-family:var(--mono);color:var(--mut);font-size:12px}
.sec .badge{font-size:11px;padding:0 5px;border-radius:9px;background:#333}
.secedit{margin-top:10px;padding-top:8px;border-top:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:6px 8px;align-items:center}
.secedit input[type=text]{width:100%}
.take{border:1px solid var(--line);border-radius:8px;padding:6px 8px;margin-bottom:6px;background:var(--bg2)}
.take.sel{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc) inset}
.take .t1{display:flex;align-items:center;gap:6px}.take .lbl{flex:1;cursor:pointer;font-weight:600}
.take .t2{display:flex;align-items:center;gap:6px;margin-top:4px}.take .t2 input[type=range]{width:90px}
.take button{padding:2px 7px;font-size:12px}.take button.on{background:#7a5b10;border-color:var(--warn)}
.take canvas{width:100%;height:28px;display:block;margin-top:4px;background:#0c0f12;border-radius:4px}
.rgrid{overflow-x:auto}.rgrid table{border-collapse:collapse;font-size:12px}
.rgrid th,.rgrid td{border:1px solid var(--line);padding:0;text-align:center;min-width:30px;height:26px}
.rgrid th{background:var(--bg2);font-weight:500;color:var(--mut);padding:2px 4px}
.rgrid th.cur{color:#fff;background:#25445f}.rgrid td{cursor:pointer;font-weight:700}
.rgrid td.A{background:#1f5a35;color:#bff5cf}.rgrid td.B{background:#5d4a14;color:#ffe3a3}.rgrid td.C{background:#5a2328;color:#ffc2c6}
.rgrid td.keep{outline:2px solid #fff;outline-offset:-3px}.rgrid td.na{background:#0c0f12;cursor:default}
.rgrid td.curcol{box-shadow:inset 0 0 0 1px #4fb3ff88}.rgrid tr.selrow th.rowh{color:var(--acc)}
.rgrid th.rowh{text-align:left;white-space:nowrap;max-width:130px;overflow:hidden;text-overflow:ellipsis}
.rgrid tr.status td{height:8px;cursor:default}
.lyricsbox{margin-top:12px}#lyrics{width:100%;min-height:150px;font-family:var(--mono);font-size:13px;resize:vertical}
.status{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:#000d;border:1px solid var(--line);padding:6px 14px;border-radius:20px;opacity:0;transition:opacity .3s;pointer-events:none;z-index:90;max-width:90vw}
.status.show{opacity:1}
.modal{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--sat) var(--sar) var(--sab) var(--sal)}
.mbox{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;max-width:640px;width:calc(100% - 24px);max-height:90vh;overflow:auto}
.mbox h2{margin-top:0;font-size:18px}.mbox table{border-collapse:collapse}.mbox td{padding:3px 10px 3px 0}
.mbox kbd,kbd{background:var(--bg3);border:1px solid var(--line);border-radius:4px;padding:0 5px;font-family:var(--mono);font-size:12px}
.mfoot{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}
.drophint{position:fixed;inset:12px;border:3px dashed var(--acc);border-radius:16px;background:#0b1a28cc;display:flex;align-items:center;justify-content:center;font-size:22px;z-index:200;pointer-events:none}
.recbanner{font-size:22px;font-weight:700;color:var(--rec)}
.bigly{white-space:pre-wrap;font-size:18px;line-height:1.5;margin:8px 0}

/* =============== TABS (phone first) =============== */
#tabs{position:fixed;inset:0;background:var(--bg);overflow:hidden}
.tablib,.tabedit{height:100%;display:flex;flex-direction:column;padding:0 var(--sar) 0 var(--sal)}
.tabbar{display:flex;align-items:center;gap:6px;padding:calc(8px + var(--sat)) 10px 8px;border-bottom:1px solid var(--line);background:var(--bg2);position:relative}
.tabbar button{padding:8px 12px;font-size:15px}
.searchrow{padding:10px}.searchrow input{width:100%;font-size:16px;padding:10px 12px;border-radius:10px}
.chips{display:flex;gap:6px;padding:0 10px 6px;overflow-x:auto;flex-shrink:0}
.chip{border-radius:14px;padding:4px 10px;font-size:13px;background:var(--bg3);border:1px solid var(--line);white-space:nowrap}
.chip.on{background:#1d4f78;border-color:var(--acc)}
.tablist{list-style:none;margin:0;padding:0 0 calc(20px + var(--sab));overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}
.tablist li{padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;gap:10px;align-items:center}
.tablist li:active{background:var(--bg3)}.tablist .ti{flex:1;min-width:0}
.tablist .tt{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tablist .ta{color:var(--mut);font-size:13px}.tablist .tg{font-size:11px;color:var(--acc2)}
.tablist .fmt{font-size:10px;border:1px solid var(--line);border-radius:4px;padding:1px 4px;color:var(--mut)}
.tablist .empty{display:block;text-align:center;color:var(--mut);cursor:default;border:0;padding:40px 20px}
.privacy{font-size:12px;color:var(--mut);padding:10px 14px calc(14px + var(--sab));text-align:center}
.tabview{position:absolute;inset:0;display:flex;flex-direction:column;background:#0d0f12}
.tvtop{display:flex;align-items:center;gap:2px;padding:calc(4px + var(--sat)) calc(6px + var(--sar)) 4px calc(6px + var(--sal));background:var(--bg2);border-bottom:1px solid var(--line);flex-shrink:0}
.tvtop button{font-size:15px;padding:8px 9px;min-width:38px}
.tvtitle{flex:1;min-width:0;padding:0 4px}.tvtitle>div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#tvTitle{font-weight:600}
.tvscroll{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y;padding:8px calc(8px + var(--sar)) 0 calc(8px + var(--sal));overscroll-behavior:contain}
.tabtext{margin:0;font-family:var(--mono);font-size:14px;line-height:1.32;white-space:pre;tab-size:4;color:#e9edf2;font-variant-ligatures:none;letter-spacing:0}
.tabtext .ch{color:#7cc8ff;font-weight:700}.tabtext .tl{color:#d6dde6}.tabtext .hd{color:var(--acc2);font-weight:700}
.tabtext .cm{color:var(--mut);font-style:italic}.tabtext .bar{color:#9fb0c2}.tabtext .chorus{border-left:2px solid #4fb3ff55}
.tvpad{height:60vh}
.tvbottom{display:flex;align-items:center;gap:6px;padding:6px calc(96px + var(--sar)) calc(6px + var(--sab)) calc(10px + var(--sal));background:var(--bg2);border-top:1px solid var(--line);flex-shrink:0}
.tvbottom input[type=range]{flex:1;min-width:60px}
.tvbottom button{font-size:18px;width:40px;height:36px;padding:0}
#tvSpeedVal{min-width:3.6em;text-align:center}
.scrollbtn{position:absolute;right:calc(12px + var(--sar));bottom:calc(10px + var(--sab));width:76px;height:76px;border-radius:50%;font-size:30px;background:#1f6fb0;border:2px solid #63b8ff;box-shadow:0 6px 24px #000a;z-index:5;padding:0}
.scrollbtn.on{background:#b03a46;border-color:#ff8a95}
.tabview.full .tvtop,.tabview.full .tvbottom{display:none}
.tabview.full .scrollbtn{opacity:.55}
.exitfull{display:none;position:absolute;top:calc(6px + var(--sat));right:calc(8px + var(--sar));width:40px;height:40px;border-radius:50%;background:#0008;border:1px solid var(--line);font-size:18px;padding:0;z-index:5;opacity:.6}
.tabview.full .exitfull{display:block}
.tabview.full .tvscroll{padding-top:calc(6px + var(--sat))}
.toast{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);background:#000c;padding:10px 18px;border-radius:12px;font-size:18px;pointer-events:none;z-index:6}
.tabedit{background:var(--bg)}
.teform{flex:1;overflow:auto;padding:10px 12px calc(16px + var(--sab));display:flex;flex-direction:column;gap:10px}
.teform label{display:flex;flex-direction:column;gap:4px;font-size:13px}
.teform input,.teform select{font-size:16px;padding:8px 10px}
.teform textarea{font-family:var(--mono);font-size:13px;min-height:42vh;white-space:pre;overflow:auto}
.teform .row2{display:flex;gap:10px}.teform .row2>*{flex:1;min-width:0}
.filebtn{position:relative;justify-content:flex-end}.filebtn input{font-size:13px!important;padding:6px!important}
.addtools{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.addtools button{padding:8px 12px}
.detect{font-size:13px;color:var(--mut);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.detect b{color:var(--fg)}
.chorddrop{border:2px dashed var(--line);border-radius:10px;padding:14px;text-align:center;color:var(--mut);font-size:13px}
.chorddrop.drag{border-color:var(--acc);color:var(--fg)}
.est{color:var(--acc2);font-weight:600}
@media (orientation:landscape) and (max-height:500px){
  .tvtop button{padding:4px 8px}.tvbottom{padding-top:3px;padding-bottom:calc(3px + var(--sab))}
  .scrollbtn{width:60px;height:60px;font-size:24px}
}
@media (max-width:900px){.cols{grid-template-columns:1fr}.panel{max-height:none}}