/* ===================================================================
   JOTADAW — identidad: consola de estudio analógica
   Paleta: carcasa oscura + placas de cobre cepillado + verde salvia (ok)
   + terracota (rec/peligro). Tipografía condensada industrial para
   marca, monoespaciada para lecturas numéricas, sans para UI general.
   =================================================================== */

@font-face {
  font-family: 'Local-UI-Fallback';
  src: local('Arial');
}

:root{
  /* --- paleta oscura (por defecto) --- */
  --bg:#15140f;
  --bg-deep:#0e0d09;
  --panel:#1d1b15;
  --panel-raised:#242118;
  --panel-line:#3a3527;
  --copper:#c98a3f;
  --copper-bright:#e3a85c;
  --copper-dim:#8a5e2c;
  --sage:#6fae84;
  --sage-bright:#8fcaa1;
  --terracotta:#c0584a;
  --terracotta-bright:#dd6f5f;
  --gold-vu:#e3b23c;
  --ink:#ece4d3;
  --ink-dim:#a99e87;
  --ink-faint:#6f6753;
  --focus:#e3a85c;

  --font-display:'Oswald','Arial Narrow',sans-serif;
  --font-ui:'Inter',-apple-system,Segoe UI,Arial,sans-serif;
  --font-mono:'JetBrains Mono','Consolas',monospace;

  --radius-s:6px;
  --radius-m:10px;
  --radius-l:16px;
  --header-h:78px;
  --transport-h:62px;
  --footer-h:32px;
}

:root[data-theme="light"]{
  --bg:#eee8d9;
  --bg-deep:#e2dac5;
  --panel:#f6f1e4;
  --panel-raised:#fffcf4;
  --panel-line:#d8cca8;
  --copper:#a8662a;
  --copper-bright:#c97f33;
  --copper-dim:#8a5e2c;
  --sage:#3f7a58;
  --sage-bright:#2f6346;
  --terracotta:#a8412f;
  --terracotta-bright:#8f3424;
  --gold-vu:#b3791c;
  --ink:#241f12;
  --ink-dim:#5b5234;
  --ink-faint:#8c805e;
  --focus:#a8662a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(ellipse at top, color-mix(in srgb, var(--panel) 40%, transparent), transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:var(--font-ui);
  overflow:hidden;
  font-size:14px;
}

::selection{background:var(--copper);color:var(--bg-deep)}

button, select, input{font-family:var(--font-ui)}
button:focus-visible, select:focus-visible, input:focus-visible, [tabindex]:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
}

kbd{
  font-family:var(--font-mono);
  background:var(--bg-deep);
  border:1px solid var(--panel-line);
  border-radius:4px;
  padding:1px 5px;
  font-size:11px;
  color:var(--ink-dim);
}

/* ============================== HEADER ============================== */
.rack-header{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:0 18px;
  background:linear-gradient(180deg, var(--panel-raised), var(--panel));
  border-bottom:2px solid var(--panel-line);
  box-shadow:0 6px 18px -10px rgba(0,0,0,.6);
}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.plate{
  width:50px;height:50px;border-radius:10px;
  background:
    linear-gradient(155deg, var(--copper-bright), var(--copper-dim));
  border:1px solid color-mix(in srgb, var(--copper-bright) 60%, black);
  display:grid;place-items:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), inset 0 -3px 6px rgba(0,0,0,.35), 0 3px 8px rgba(0,0,0,.4);
  flex-shrink:0;
}
.plate-j{
  font-family:var(--font-display);
  font-size:26px;font-weight:700;color:var(--bg-deep);
  text-shadow:0 1px 0 rgba(255,255,255,.25);
}
.brand-text h1{
  margin:0;
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:.06em;
  font-size:21px;
  text-transform:uppercase;
  color:var(--ink);
  display:flex;align-items:baseline;gap:8px;
}
.brand-text h1 small{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--copper-bright);
  font-weight:600;
  letter-spacing:.04em;
}
.brand-text p{
  margin:2px 0 0;
  font-size:11.5px;
  color:var(--ink-faint);
  white-space:nowrap;
}

.view-tabs{display:flex;gap:6px;background:var(--bg-deep);padding:5px;border-radius:12px;border:1px solid var(--panel-line)}
.tab{
  background:transparent;color:var(--ink-dim);border:none;border-radius:8px;
  padding:9px 16px;font-weight:600;font-size:12.5px;cursor:pointer;letter-spacing:.02em;
  transition:background .15s, color .15s;
}
.tab:hover{color:var(--ink)}
.tab.on{background:var(--copper);color:var(--bg-deep);box-shadow:0 2px 6px rgba(0,0,0,.3)}

.file-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.menu{position:relative}
.menu-btn{
  background:var(--panel-raised);color:var(--ink);border:1px solid var(--panel-line);
  border-radius:9px;padding:9px 14px;font-weight:600;font-size:12.5px;cursor:pointer;
}
.menu-btn:hover{border-color:var(--copper)}
.menu-list{
  position:absolute;top:calc(100% + 6px);right:0;min-width:200px;
  background:var(--panel-raised);border:1px solid var(--panel-line);border-radius:10px;
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  padding:6px;display:none;flex-direction:column;gap:2px;z-index:50;
}
.menu.open .menu-list{display:flex}
.menu-list button, .menu-list label.menu-file{
  background:transparent;border:none;color:var(--ink);text-align:left;
  padding:8px 10px;border-radius:7px;font-size:13px;font-weight:500;cursor:pointer;
}
.menu-list button:hover, .menu-list label.menu-file:hover{background:var(--bg-deep);color:var(--copper-bright)}
.menu-sep{height:1px;background:var(--panel-line);margin:4px 2px}
.icon-btn{
  width:38px;height:38px;border-radius:9px;background:var(--panel-raised);
  border:1px solid var(--panel-line);color:var(--ink);cursor:pointer;font-size:15px;
}
.icon-btn:hover{border-color:var(--copper)}

/* ============================== TRANSPORT ============================== */
.transport{
  height:var(--transport-h);
  display:flex;align-items:center;gap:14px;padding:0 16px;
  background:var(--bg-deep);
  border-bottom:1px solid var(--panel-line);
  overflow-x:auto;
}
.transport-group{display:flex;align-items:center;gap:6px}
.transport-group.divider{padding-left:14px;border-left:1px solid var(--panel-line)}
.t-btn{
  background:var(--panel);color:var(--ink);border:1px solid var(--panel-line);
  border-radius:9px;padding:8px 12px;font-weight:700;font-size:13px;cursor:pointer;
  transition:transform .08s, border-color .15s;
}
.t-btn:hover{border-color:var(--copper-bright)}
.t-btn:active{transform:translateY(1px)}
.t-btn.primary{background:var(--sage);color:var(--bg-deep);border-color:var(--sage-bright)}
.t-btn.primary.on{background:var(--sage-bright)}
.t-btn.rec{color:var(--terracotta-bright);border-color:var(--terracotta)}
.t-btn.rec.on, .t-btn.rec.primary{background:var(--terracotta);color:var(--bg-deep);border-color:var(--terracotta-bright)}
.t-btn.warn{color:var(--terracotta-bright)}
.t-btn.on{background:var(--copper);color:var(--bg-deep);border-color:var(--copper-bright)}

.field{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-dim);font-weight:600;white-space:nowrap}
.field-label{font-size:12px;color:var(--ink-dim);font-weight:600}
input,select{
  background:var(--bg);color:var(--ink);border:1px solid var(--panel-line);
  border-radius:7px;padding:6px 8px;font-size:13px;
}
input[type=number]{width:62px;font-family:var(--font-mono)}
input[type=range]{accent-color:var(--copper);padding:0}
.zoom-group input[type=range]{width:120px}

.transport-readout{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
.clock{
  font-family:var(--font-mono);font-size:19px;font-weight:600;
  background:var(--bg-deep);border:1px solid var(--panel-line);
  padding:8px 14px;border-radius:9px;color:var(--gold-vu);
  letter-spacing:.03em;
  box-shadow:inset 0 0 12px rgba(0,0,0,.5);
}
.status{color:var(--ink-faint);font-size:12px;white-space:nowrap}

/* ============================== LAYOUT ============================== */
main{
  height:calc(100vh - var(--header-h) - var(--transport-h) - var(--footer-h));
  display:grid;grid-template-columns:250px 1fr;
}

.sidebar{
  background:var(--panel);border-right:1px solid var(--panel-line);
  padding:14px;overflow:auto;display:flex;flex-direction:column;gap:16px;
}
.side-block h2{
  margin:0 0 8px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--copper-bright);font-weight:700;
}
.side-btn{
  width:100%;display:block;text-align:left;background:var(--panel-raised);
  color:var(--ink);border:1px solid var(--panel-line);border-radius:9px;
  padding:9px 11px;font-weight:600;font-size:13px;cursor:pointer;margin-bottom:7px;
}
.side-btn:hover{border-color:var(--copper)}
.side-btn.slim{padding:7px 10px;font-size:12.5px}
.side-btn.primary-outline{border-color:var(--sage);color:var(--sage-bright)}
.file-btn{position:relative}

.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}
.tool-grid.two{grid-template-columns:1fr 1fr}
.tool{
  background:var(--panel-raised);color:var(--ink);border:1px solid var(--panel-line);
  border-radius:9px;padding:9px 7px;font-size:12px;font-weight:600;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:3px;
}
.tool:hover{border-color:var(--copper)}
.tool.on{background:var(--copper);color:var(--bg-deep);border-color:var(--copper-bright)}
.tool .key{
  font-family:var(--font-mono);font-size:10px;opacity:.7;
  background:rgba(0,0,0,.18);border-radius:4px;padding:0 4px;
}

.muted-hint{color:var(--ink-faint);font-size:12px;line-height:1.5;margin:0}

#inspector{
  background:var(--panel-raised);border:1px solid var(--panel-line);border-radius:12px;padding:12px;
}
#inspector label{display:block;font-size:12px;color:var(--ink-dim);font-weight:600;margin-bottom:10px}
#inspector input[type=range]{width:100%;display:block;margin-top:4px}
#inspector input[type=number]{width:100%}
#inspector button{
  width:100%;margin-top:4px;background:var(--copper);color:var(--bg-deep);
  border:none;border-radius:8px;padding:8px;font-weight:700;cursor:pointer;
}

details.shortcuts{font-size:12px}
details.shortcuts summary{
  cursor:pointer;color:var(--ink-dim);font-weight:600;list-style:none;
  display:flex;align-items:center;gap:6px;
}
details.shortcuts summary::before{content:'▸';color:var(--copper)}
details.shortcuts[open] summary::before{content:'▾'}
details.shortcuts ul{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:7px;color:var(--ink-dim)}

/* ============================== EDIT VIEW ============================== */
.view{display:none;position:relative;background:var(--bg-deep);overflow:auto}
.view.on{display:block}

#ruler{
  height:32px;background:var(--panel);border-bottom:1px solid var(--panel-line);
  position:sticky;top:0;z-index:6;min-width:3000px;
}
.mark{
  position:absolute;top:0;height:32px;border-left:1px solid var(--panel-line);
  color:var(--ink-faint);font-size:10.5px;padding-left:5px;font-family:var(--font-mono);
  line-height:32px;
}
.mark.bar1{border-left-color:var(--copper-dim);color:var(--copper-bright);font-weight:700}

#timeline{position:relative;min-width:3000px;min-height:100%}
.track{height:108px;border-bottom:1px solid var(--panel-line);display:grid;grid-template-columns:188px 1fr}
.track.midi .lane{background:repeating-linear-gradient(0deg, transparent 0 13px, rgba(255,255,255,.012) 13px 26px)}
.head{
  position:sticky;left:0;z-index:5;background:var(--panel);
  border-right:1px solid var(--panel-line);padding:9px;
  border-left:3px solid var(--trk-color, var(--copper));
}
.title{font-weight:700;margin-bottom:7px;outline:none;font-size:13px;color:var(--ink)}
.title:focus{color:var(--copper-bright)}
.trackBtns{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:5px}
.trackBtns button{
  padding:4px 7px;border-radius:6px;font-size:11px;font-weight:700;
  background:var(--panel-raised);color:var(--ink-dim);border:1px solid var(--panel-line);cursor:pointer;
}
.trackBtns button.on{background:var(--copper);color:var(--bg-deep);border-color:var(--copper-bright)}
.trackBtns button[data-a="m"].on{background:var(--terracotta);border-color:var(--terracotta-bright);color:var(--bg-deep)}
.trackBtns button[data-a="s"].on{background:var(--gold-vu);border-color:var(--gold-vu);color:var(--bg-deep)}
.trackBtns button[data-a="r"].on{background:var(--terracotta-bright);border-color:var(--terracotta-bright);color:#fff}
.del{background:transparent!important;border-color:var(--panel-line)!important;color:var(--terracotta-bright)!important}
.del:hover{border-color:var(--terracotta)!important;background:rgba(192,88,74,.12)!important}
.trk-meta{font-size:10.5px;color:var(--ink-faint);font-family:var(--font-mono)}

.lane{position:relative;overflow:hidden}
.grid{position:absolute;top:0;bottom:0;border-left:1px solid rgba(255,255,255,.04)}
.grid.bar{border-left-color:rgba(255,255,255,.09)}

.clip{
  position:absolute;height:70px;top:16px;border-radius:8px;
  border:1px solid var(--clip-edge, #d9a868);
  background:linear-gradient(180deg, var(--clip-top, #e3a85c), var(--clip-bot, #a8662a));
  overflow:hidden;cursor:grab;box-shadow:0 2px 6px rgba(0,0,0,.35);
}
.clip.midiclip{background:linear-gradient(180deg, var(--sage-bright), var(--sage));border-color:var(--sage-bright)}
.clip.sel{outline:2px solid var(--gold-vu);outline-offset:1px}
.clip canvas{width:100%;height:100%;opacity:.85;mix-blend-mode:multiply}
.clip span{
  position:absolute;top:3px;left:7px;font-size:11px;font-weight:700;
  color:rgba(0,0,0,.65);text-shadow:0 1px 0 rgba(255,255,255,.25);
  max-width:92%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.fade{position:absolute;top:0;height:100%;background:rgba(10,8,4,.42);cursor:ew-resize}
.fin{left:0;clip-path:polygon(0 100%,100% 0,100% 100%)}
.fout{right:0;clip-path:polygon(0 0,100% 100%,0 100%)}

.automation-line{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none}

#playhead,.loc{position:absolute;top:0;bottom:0;width:2px;background:var(--terracotta-bright);z-index:10}
.loc{background:var(--sage-bright);cursor:ew-resize;width:3px}
.loc::after{content:'';position:absolute;top:0;left:-4px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid var(--sage-bright)}
.loc.end{background:var(--gold-vu)}
.loc.end::after{border-top-color:var(--gold-vu)}
.loop-shade{position:absolute;top:0;bottom:0;background:rgba(111,174,132,.07);display:none;pointer-events:none;z-index:1}
.loop-shade.on{display:block}

/* ============================== PIANO ROLL ============================== */
#piano.view{display:none}
#piano.view.on{display:flex;flex-direction:column}
.piano-toolbar{
  display:flex;align-items:center;gap:14px;padding:10px 16px;
  background:var(--panel);border-bottom:1px solid var(--panel-line);flex-wrap:wrap;
}
.piano-toolbar select{min-width:120px}
.piano-toolbar .hint{color:var(--ink-faint);font-size:11.5px;margin:0 0 0 auto}
#pianoScroll{flex:1;overflow:auto;position:relative}
#pianoRoll{position:relative;min-width:1400px}
.pr-row{height:18px;position:relative;border-bottom:1px solid rgba(255,255,255,.035)}
.pr-row.black{background:rgba(0,0,0,.16)}
.pr-row.c{border-bottom:1px solid var(--copper-dim)}
.pr-keylabel{
  position:sticky;left:0;width:46px;height:18px;display:inline-flex;align-items:center;
  padding-left:6px;font-size:9.5px;color:var(--ink-faint);font-family:var(--font-mono);
  background:var(--panel);border-right:1px solid var(--panel-line);z-index:3;
}
.pr-cell{position:absolute;top:0;height:18px;border-left:1px solid rgba(255,255,255,.05)}
.pr-cell.beat{border-left-color:rgba(255,255,255,.13)}
.pr-note{
  position:absolute;height:16px;top:1px;border-radius:4px;background:var(--copper);
  border:1px solid var(--copper-bright);cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.4);
}
.pr-note:hover{background:var(--copper-bright)}
.pr-note .resize{position:absolute;right:0;top:0;width:6px;height:100%;cursor:ew-resize}
.pr-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--terracotta-bright);z-index:8;left:46px}

/* ============================== MIXER ============================== */
#mixer{display:flex;gap:12px;padding:20px;min-height:100%;align-items:flex-start}
.chan{
  width:160px;background:var(--panel);border:1px solid var(--panel-line);
  border-radius:14px;padding:12px;text-align:center;flex-shrink:0;
  border-top:3px solid var(--ch-color, var(--copper));
}
.chan.master{border-top-color:var(--gold-vu);background:var(--panel-raised)}
.chan h3{font-size:13px;margin:0 0 8px;color:var(--ink);font-weight:700}
.meter{
  height:118px;width:30px;background:var(--bg-deep);border-radius:8px;margin:8px auto;
  position:relative;overflow:hidden;border:1px solid var(--panel-line);
}
.fill{position:absolute;left:0;right:0;bottom:0;height:0;background:linear-gradient(0deg,var(--sage),var(--gold-vu) 75%,var(--terracotta) 92%)}
.peak{font-size:10.5px;color:var(--ink-faint);font-family:var(--font-mono);margin-bottom:6px}
.chan input[type=range]{width:100%;max-width:128px}
.fxlab{font-size:10px;color:var(--ink-faint);margin-top:8px;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.chan select{width:100%;font-size:11px;padding:4px}

/* ============================== ANALYSIS ============================== */
#analysis.view{padding:20px;grid-template-columns:1fr 280px;gap:20px}
#analysis.view.on{display:grid}
#scope{width:100%;height:420px;background:var(--bg-deep);border:1px solid var(--panel-line);border-radius:14px}
.panel{background:var(--panel);border:1px solid var(--panel-line);border-radius:14px;padding:16px}
.panel h2{margin-top:0;font-size:13px;color:var(--copper-bright);text-transform:uppercase;letter-spacing:.08em}
.stat-list{margin:0;display:flex;flex-direction:column;gap:10px}
.stat-list div{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px dashed var(--panel-line);padding-bottom:6px}
.stat-list dt{color:var(--ink-dim);font-size:12px}
.stat-list dd{margin:0;font-family:var(--font-mono);font-weight:700;color:var(--gold-vu)}

/* ============================== FOOTER ============================== */
footer{
  height:var(--footer-h);display:flex;align-items:center;gap:8px;padding:0 16px;
  background:var(--bg-deep);border-top:1px solid var(--panel-line);
  color:var(--ink-faint);font-size:11px;
}
.footer-sep{opacity:.5}
#engineState{margin-left:auto}

/* ============================== RESPONSIVE ============================== */
@media (max-width:1050px){
  .file-actions{display:none}
  main{grid-template-columns:1fr}
  .sidebar{display:none}
  .brand-text p{display:none}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important}
}