:root {
  --font-ui: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: Georgia, serif;
  --font-mono: ui-monospace, monospace;
  --bg: #f6f1e7;
  --panel: #fffdf8;
  --ink: #221d17;
  --muted: #7a6f60;
  --line: #b9ad9a;
  --accent: #2b4c9b;
  --accent-ink: #fff;
  --hl: #f3d27a;
  --hl-bar: rgba(43, 76, 155, 0.08);
  --root: #d85a30;
  --root-ink: #fff;
  --blue-note: #6a5acd;
  --blue-ink: #fff;
  --scale: #e4dccd;
  --scale-ink: #3b342b;
  --box: rgba(239, 159, 39, 0.18);
  --box-line: rgba(186, 117, 23, 0.55);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171c;
    --panel: #1d2027;
    --ink: #ece6da;
    --muted: #978f82;
    --line: #4a4f5a;
    --accent: #7ea2ff;
    --accent-ink: #0f1320;
    --hl: #8a6d1e;
    --hl-bar: rgba(126, 162, 255, 0.1);
    --root: #f0997b;
    --root-ink: #4a1b0c;
    --blue-note: #afa9ec;
    --blue-ink: #26215c;
    --scale: #3a3f4a;
    --scale-ink: #ece6da;
    --box: rgba(239, 159, 39, 0.14);
    --box-line: rgba(250, 199, 117, 0.45);
  }
}

* { box-sizing: border-box; }
html { scroll-padding-bottom: 96px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.4 var(--font-ui);
  padding-bottom: 88px; /* espacio para la barra de transporte fija */
}
h1 { margin: 0; font: 700 24px/1.1 var(--font-display); }
[hidden] { display: none !important; }

/* --- Encabezado --- */
.app-head {
  max-width: 1320px; margin: 0 auto; padding: 18px 16px 12px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 40px; height: 40px; flex: none; }
.logo-pick { fill: var(--accent); }
.logo-note-stem { fill: none; stroke: var(--accent-ink); stroke-width: 2; }
.logo-note { fill: var(--accent-ink); }
.status { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.app-version {
  font: 600 12px/1 var(--font-mono); color: var(--muted); border: 1px solid var(--line);
  border-radius: 99px; padding: 4px 8px; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.head-menus { margin-left: auto; display: flex; gap: 8px; }

/* --- Menús desplegables (details) --- */
.menu { position: relative; }
.menu > summary {
  list-style: none; cursor: pointer; user-select: none;
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; background: var(--panel); font-size: 14px;
}
.menu > summary::-webkit-details-marker { display: none; }
.menu[open] > summary { border-color: var(--accent); }
.menu-panel {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; min-width: 250px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); display: flex; flex-direction: column; gap: 8px;
}
.menu.up .menu-panel { top: auto; bottom: calc(100% + 8px); left: 0; right: auto; }
.menu-row { display: flex; gap: 6px; align-items: center; }
.menu-item { text-align: left; background: transparent; border-color: transparent; }
.menu-item:hover { background: var(--bg); }
.menu-item small { display: block; color: var(--muted); font-size: 11px; }

/* --- Layout: panel lateral + partituras --- */
.workspace {
  max-width: 1320px; margin: 0 auto; padding: 0 16px;
  display: grid; gap: 16px; align-items: start;
}
.workspace > * { min-width: 0; }
.workspace > .sheet { margin-bottom: 0; }
.side {
  position: sticky; top: 12px; max-height: calc(100vh - 112px); overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px;
}
.tabs { display: flex; gap: 4px; background: var(--bg); border-radius: 9px; padding: 3px; margin-bottom: 12px; }
.tabs button { flex: 1; border: 0; background: transparent; padding: 7px 0; font-size: 14px; color: var(--muted); }
.tabs button[aria-selected="true"] { background: var(--panel); color: var(--ink); font-weight: 600; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }
.panel { display: flex; flex-direction: column; gap: 10px; }
.group-label { margin: 6px 0 -4px; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
fieldset { border: 0; margin: 0; padding: 0; }
legend, label { font-size: 13px; color: var(--muted); }
legend { margin-bottom: 6px; }
.stack { display: flex; flex-direction: column; gap: 4px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
.range-row { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.range-row input { flex: 1; }
.advanced > summary { cursor: pointer; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.key-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; }
.key-grid button { padding: 8px 0; font-weight: 600; }
.key-grid button[aria-checked="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.wide { width: 100%; margin-top: 4px; }

/* --- Presets, ayudas y atajos --- */
.presets { margin-bottom: 12px; }
.presets .chips { margin-top: 6px; }
.head-btn { background: var(--panel); font-size: 14px; }
[data-term] { border-bottom: 1px dotted var(--muted); }
.term-wrap { display: inline-flex; align-items: center; gap: 2px; }
.info {
  margin-left: 4px; padding: 0 5px; border-radius: 99px; font-size: 11px; line-height: 16px;
  background: transparent; color: var(--muted); border-color: var(--line); vertical-align: 1px;
}
.tooltip {
  position: fixed; z-index: 50; max-width: 260px; padding: 8px 10px; border-radius: 8px;
  background: var(--ink); color: var(--panel); font-size: 13px; line-height: 1.35;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2); pointer-events: none;
}
.help { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); padding: 20px; max-width: 420px; width: calc(100% - 32px); }
.help::backdrop { background: rgba(0, 0, 0, 0.35); }
.help h2 { margin: 0 0 12px; font: 600 20px var(--font-display); }
.credits-text { margin: 0 0 6px; font-size: 16px; }
.credits-handle a { color: inherit; }
.credits-handle a:hover { text-decoration: none; }
.credits-handle { margin: 0 0 16px; font: 600 14px var(--font-mono); color: var(--accent); }
.help dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0 0 16px; }
.help dt kbd { font: 600 12px ui-monospace, monospace; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; background: var(--bg); }
.help dd { margin: 0; color: var(--muted); }

/* --- Personalización de la banda --- */
.swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.swatch { width: 26px; height: 26px; padding: 0; border-radius: 50%; border: 2px solid var(--line); }
.swatch[aria-checked="true"] { outline: 2px solid var(--accent); outline-offset: 2px; }
.color-row { display: flex; gap: 16px; }
input[type="color"] { width: 48px; height: 32px; padding: 0 2px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); cursor: pointer; }
.tabs button { font-size: 13px; }

/* --- Letra (karaoke) --- */
#lyrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.verse h3 { margin: 0 0 6px; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.lyric-line { margin: 0 0 4px; font: 16px/1.5 var(--font-display); color: var(--muted); }
.lyric-line .sung { color: var(--ink); }
.lyric-line .now { color: var(--ink); background: var(--hl); border-radius: 3px; }

/* --- Mezclador --- */
.mixer { display: flex; flex-direction: column; gap: 8px; }
.strip { display: grid; grid-template-columns: 64px 1fr 34px 34px; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; }
.strip output { font-size: 12px; color: var(--muted); text-align: right; }
.strip input { width: 100%; }
.mute { padding: 4px 8px; font-size: 12px; font-weight: 600; }
.mute[aria-pressed="true"] { background: var(--root); color: var(--root-ink); border-color: var(--root); }

/* --- Controles genéricos --- */
select, button {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.ghost { background: transparent; }
input[type="number"] { width: 60px; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; }
input[type="text"] { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; }
input[type="range"] { accent-color: var(--accent); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); }
.fav-msg { margin: 0; font-size: 13px; color: var(--muted); min-height: 1em; }

/* --- Partituras --- */
main { min-width: 0; }
.sheet {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px;
}
#stageCanvas { display: block; width: 100%; height: auto; image-rendering: pixelated; border-radius: 8px; background: #000; }
#stageCanvas.vertical { width: auto; max-width: 100%; max-height: 70vh; margin: 0 auto; }
/* Pantalla completa: el marco ocupa toda la pantalla y el lienzo se ajusta sin deformarse. */
.stage-frame { position: relative; }
.fs-controls { display: none; }
.stage-frame.is-fs {
  display: flex; align-items: center; justify-content: center; background: #000; width: 100%; height: 100%;
}
.stage-frame.pseudo-fs { position: fixed; inset: 0; z-index: 100; }
.stage-frame.is-fs #stageCanvas, .stage-frame.is-fs #stageCanvas.vertical {
  width: 100%; height: 100%; max-width: none; max-height: none; object-fit: contain; border-radius: 0;
}
.stage-frame.is-fs .fs-controls {
  display: flex; gap: 8px; position: absolute; right: 16px; bottom: 16px; transition: opacity .3s;
}
.stage-frame.is-fs.idle .fs-controls { opacity: 0; pointer-events: none; }
.stage-frame.is-fs.idle { cursor: none; }
.fs-controls button { background: rgba(0,0,0,.6); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.video-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
#recordBtn.recording { background: var(--root); color: var(--root-ink); border-color: var(--root); }
.rec-status { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.video .fold { margin-bottom: 0; }
#endingWrap h3 { margin: 8px 0 4px; font-size: 14px; font-weight: 600; }

/* --- Barra de transporte fija --- */
.transport {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px max(16px, calc((100vw - 1320px) / 2 + 16px));
  background: var(--panel); border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}
.play-btn {
  width: 48px; height: 48px; border-radius: 50%; padding: 0; font-size: 18px;
  background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
}
.play-btn.counting { font-size: 16px; font-weight: 700; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg label { display: flex; align-items: center; padding: 7px 10px; font-size: 13px; color: var(--ink); cursor: pointer; }
.seg label + label { border-left: 1px solid var(--line); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) { background: var(--accent); color: var(--accent-ink); }
.seg label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }
.t-item { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); }
.t-item input[type="range"] { width: 110px; }
.t-item output { min-width: 2.2em; font-variant-numeric: tabular-nums; }
.t-toggle { display: inline-flex; align-items: center; gap: 5px; color: var(--ink); }
.t-toggle.paused::after { content: " ⏸"; color: var(--root); }
.badge { background: var(--accent); color: var(--accent-ink); border-radius: 99px; padding: 0 7px; font-size: 11px; margin-left: 4px; }
.pos { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 9em; }
@media (max-width: 1200px) {
  .pos { display: none; }
}
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr !important; }
  .side { position: static; max-height: none; }
  .head-menus { margin-left: 0; }
}
@media (max-width: 640px) {
  body { padding-bottom: 150px; }
  .transport { gap: 8px 10px; padding: 8px 12px; }
  .play-btn { width: 42px; height: 42px; }
  .t-item input[type="range"] { width: 80px; }
  .pos { display: none; }
  .menu-panel { min-width: 220px; }
}

.sheet-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sheet-head h2 { margin: 0 0 8px; font: 600 20px var(--font-display); }
.legend { color: var(--muted); font-size: 13px; }

.tab { display: block; }
.tab .string { stroke: var(--line); stroke-width: 1; }
.tab .barline { stroke: var(--ink); stroke-width: 1.2; }
.tab .barline.end { stroke-width: 3; }
.tab .string-name { fill: var(--muted); font: 600 11px var(--font-mono); }
.tab .chord { fill: var(--ink); font: 700 15px var(--font-display); }
.tab .degree { fill: var(--accent); font: 600 12px var(--font-ui); }
.tab .bar-num { fill: var(--muted); font: 10px var(--font-ui); }
.tab .bar-bg { fill: transparent; }
.tab .bar.playing .bar-bg { fill: var(--hl-bar); }
.tab .bar.in-range .bar-bg { fill: var(--box); stroke: var(--box-line); stroke-dasharray: 4 3; }
.tab .bar.in-range.playing .bar-bg { fill: var(--hl-bar); }
#tab { touch-action: pan-y; }
#tab .bar { cursor: pointer; }
#tab .bar:hover .bar-bg { stroke: var(--line); }
.tab .fret-bg { fill: var(--panel); }
.tab .fret { fill: var(--ink); font: 600 12px var(--font-mono); }
.tab .rest { fill: var(--muted); }
.tab .sustain { stroke: var(--accent); stroke-width: 3; opacity: 0.45; stroke-linecap: round; }
.tab .beam { stroke: var(--muted); stroke-width: 1; opacity: 0.5; }
.tab .ev.playing .fret-bg { fill: var(--hl); }
.tab .lick-name { fill: var(--root); font: italic 600 10px system-ui; }
.tab .your-turn { fill: var(--box); stroke: var(--box-line); stroke-dasharray: 4 3; }
.tab .your-turn-label { fill: var(--muted); font: 600 13px system-ui; }

/* --- Notas para solear --- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }
.chips button { font-size: 13px; padding: 6px 10px; }
.chips button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.solo-notes { margin: 4px 0 8px; color: var(--muted); }
#fretboard { display: block; }
#fretboard .fb-string { stroke: var(--line); }
#fretboard .fret-wire { stroke: var(--line); stroke-width: 1; }
#fretboard .nut { stroke: var(--ink); stroke-width: 4; }
#fretboard .string-name, #fretboard .fret-num { fill: var(--muted); font: 600 11px ui-monospace, monospace; }
#fretboard .box { fill: var(--box); stroke: var(--box-line); }
#fretboard .box.outline { fill: none; stroke-width: 1.5; stroke-dasharray: 4 3; }
#fretboard .box-num { fill: var(--box-line); font: 700 11px system-ui; }
#fretboard .dot text { font: 600 10px system-ui; }
#fretboard .dot.root circle { fill: var(--root); }
#fretboard .dot.root text { fill: var(--root-ink); }
#fretboard .dot.blue circle { fill: var(--blue-note); }
#fretboard .dot.blue text { fill: var(--blue-ink); }
#fretboard .dot.scale circle { fill: var(--scale); }
#fretboard .dot.scale text { fill: var(--scale-ink); }
#fretboard .dot.out { opacity: 0.3; }
#fretboard .solo-cursor circle { fill: none; stroke: var(--accent); stroke-width: 3; }
#soloTab { display: block; margin-bottom: 16px; }
.fb-legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--muted); margin: 6px 0 16px; }
.sw { display: inline-block; width: 11px; height: 11px; border-radius: 50%; vertical-align: -1px; }
.sw.root { background: var(--root); }
.sw.blue { background: var(--blue-note); }
.sw.scale { background: var(--scale); }
.sw.box { border-radius: 2px; background: var(--box); border: 1px solid var(--box-line); }
.solo h3 { margin: 0 0 8px; font-size: 14px; font-weight: 600; }
.fold { margin-bottom: 12px; }
.fold > summary { cursor: pointer; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.fold:not([open]) > summary { color: var(--muted); }
.targets { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.target { background: var(--bg); border: 1px solid transparent; border-radius: 8px; padding: 10px 12px; transition: border-color .15s, background .15s; }
.target.playing { border-color: var(--accent); background: var(--hl-bar); }
.outside { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--root); text-decoration-thickness: 2px; }
.target-meta, .target-tip { font-size: 12px; color: var(--muted); }
.target-tones { font: 600 17px var(--font-display); margin: 4px 0; }
.tech-legend { margin: 0 0 8px; }
.hint { margin: 12px 0 0; font-size: 13px; color: var(--muted); }



/* ============================================================================
   Vistas: Escenario, Estudio y Cuaderno (body[data-view]). Mismos componentes,
   distinta grilla y tema. Los componentes propios de cada vista están ocultos
   salvo en la suya.
   ========================================================================== */
#mapSheet, #sheetTabs, #timeline, #inspector, #practice, .settings-btn, .widget-tools { display: none; }
#barMap { display: grid; }
.view-switch { margin-left: 16px; }
.view-switch label { padding: 6px 12px; }

/* Pestañas de partitura (Escenario y Estudio): solo se ve la activa. */
body:not([data-view="cuaderno"]) .pane:not(.active) { display: none; }
.sheet-tabs { gap: 4px; }
.sheet-tabs button { padding: 8px 16px; border-radius: 8px 8px 0 0; background: transparent; color: var(--muted); }
.sheet-tabs button[aria-selected="true"] { background: var(--panel); color: var(--ink); font-weight: 600; }

/* Mapa de compases */
.bar-map { grid-template-columns: repeat(var(--bars, 12), minmax(0, 1fr)); gap: 4px; }
.bar-map button {
  min-height: 48px; padding: 4px 2px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line); touch-action: none;
}
.bar-map .num { font-size: 11px; color: var(--muted); }
.bar-map .chord { font: 700 18px var(--font-display); }
.bar-map .role { display: none; font-size: 11px; color: var(--muted); text-align: center; line-height: 1.15; }
.bar-map button.in-range { background: var(--box); border-color: var(--box-line); }
.bar-map button.current { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.bar-map button.current .num, .bar-map button.current .role { color: var(--accent-ink); }

/* ---------- A · Escenario: el videoclip al centro, panel tipo amplificador ---------- */
body[data-view="escenario"] {
  --bg: #140f1a; --panel: #221a2c; --ink: #fff1e0; --muted: #b9a9c9; --line: #3b2d4a;
  --accent: #ff5fa2; --accent-ink: #140f1a; --hl: #7a2d55; --hl-bar: rgba(255, 95, 162, 0.14);
  --root: #ff8c42; --root-ink: #140f1a; --blue-note: #c77dff; --blue-ink: #140f1a;
  --scale: #3b2d4a; --scale-ink: #fff1e0; --box: rgba(255, 179, 71, 0.14); --box-line: rgba(255, 179, 71, 0.6);
  --font-ui: "Pixelify Sans", system-ui, sans-serif; --font-display: "Silkscreen", monospace; --font-mono: "Pixelify Sans", ui-monospace, monospace;
}
body[data-view="escenario"] .workspace {
  grid-template-columns: minmax(0, 1fr) 320px;
  grid-template-areas: "stage side" "map side" "tabs side" "pane side" "pane2 side";
}
body[data-view="escenario"] #stageSheet { grid-area: stage; }
body[data-view="escenario"] #mapSheet { grid-area: map; display: block; padding: 0; background: none; border: 0; }
body[data-view="escenario"] #mapSheet .sheet-head { display: none; }
body[data-view="escenario"] #sheetTabs { grid-area: tabs; display: flex; margin-bottom: -16px; }
body[data-view="escenario"] .pane { grid-area: pane; }
body[data-view="escenario"] #targetsSheet { grid-area: pane2; }
body[data-view="escenario"] .side { grid-area: side; }
body[data-view="escenario"] .sheet, body[data-view="escenario"] .side,
body[data-view="escenario"] button, body[data-view="escenario"] select,
body[data-view="escenario"] .menu > summary, body[data-view="escenario"] .menu-panel { border-radius: 0; }
body[data-view="escenario"] .sheet, body[data-view="escenario"] .side { border-width: 2px; }
body[data-view="escenario"] h1, body[data-view="escenario"] .group-label { color: var(--accent); }
body[data-view="escenario"] .side .group-label { color: #ffb347; }
body[data-view="escenario"] h1 { text-shadow: 0 0 12px var(--accent); }

/* ---------- B · Estudio: línea de tiempo por músico + inspector ---------- */
body[data-view="estudio"] {
  --bg: #15171c; --panel: #1d2027; --ink: #e6e8ee; --muted: #9aa1af; --line: #2c303a;
  --accent: #7ee0c4; --accent-ink: #0f1320; --hl: #2f5a50; --hl-bar: rgba(126, 224, 196, 0.10);
  --root: #f29a6c; --root-ink: #1a0f0a; --blue-note: #a99cf8; --blue-ink: #15171c;
  --scale: #2c303a; --scale-ink: #e6e8ee; --box: rgba(232, 184, 74, 0.12); --box-line: rgba(232, 184, 74, 0.55);
  --font-ui: "IBM Plex Sans", system-ui, sans-serif; --font-display: "IBM Plex Sans", system-ui, sans-serif; --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}
body[data-view="estudio"] .workspace {
  max-width: 1480px;
  grid-template-columns: minmax(0, 1fr) 340px;
  grid-template-areas: "timeline stage" "timeline inspector" "tabs side" "pane side" "pane2 side";
}
body[data-view="estudio"] #timeline { grid-area: timeline; display: block; padding: 0; overflow: hidden; }
body[data-view="estudio"] #stageSheet { grid-area: stage; }
body[data-view="estudio"] #inspector { grid-area: inspector; display: block; }
body[data-view="estudio"] #sheetTabs { grid-area: tabs; display: flex; margin-bottom: -16px; }
body[data-view="estudio"] .pane { grid-area: pane; }
body[data-view="estudio"] #targetsSheet { grid-area: pane2; }
body[data-view="estudio"] .side { grid-area: side; position: static; max-height: none; }
body[data-view="estudio"] #stageSheet summary { font-size: 13px; color: var(--muted); }

.tl { display: grid; grid-template-columns: 180px minmax(0, 1fr); }
.tl-labels { border-right: 1px solid var(--line); background: var(--bg); }
.tl-corner, .tl-head { height: 46px; box-sizing: border-box; border-bottom: 1px solid var(--line); }
.tl-corner { padding: 14px 12px; font-size: 12px; color: var(--muted); }
.tl-label { height: 76px; box-sizing: border-box; padding: 10px 12px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.tl-name { font-weight: 600; font-size: 14px; }
.tl-label-row { display: flex; align-items: center; gap: 8px; }
.tl-label-row input { flex: 1; min-width: 0; }
.tl-label .mute { padding: 2px 8px; }
.tl-tracks { position: relative; }
.tl-head { display: grid; grid-template-columns: repeat(var(--bars), minmax(0, 1fr)); }
.tl-bar { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 4px 8px; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--ink); font-family: var(--font-mono); touch-action: none; }
.tl-bar .num { font-size: 11px; color: var(--muted); }
.tl-bar .chord { font-weight: 600; }
.tl-bar.in-range { background: var(--box); }
.tl-lane { height: 76px; box-sizing: border-box; padding: 10px 0; display: grid; grid-template-columns: repeat(var(--bars), minmax(0, 1fr)); gap: 0 4px; border-bottom: 1px solid var(--line); }
.tl-lane.muted { opacity: 0.45; }
.tl-clip { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-width: 0; padding: 6px 10px; margin: 0 2px; overflow: hidden; text-align: left; border-radius: 6px; border: 1px solid; color: var(--ink); }
.tl-clip span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.tl-clip small { font-size: 11px; opacity: 0.8; }
.tl-clip.selected { outline: 2px solid var(--ink); outline-offset: 1px; }
.kind-vocals { background: #3a3466; border-color: #a99cf8; }
.kind-solo, .kind-lick { background: #4a2c20; border-color: #f29a6c; }
.kind-turn { background: transparent; border-color: #f29a6c; border-style: dashed; }
.kind-base { background: #22314f; border-color: #6f9cf2; }
.kind-bass { background: #173b37; border-color: #3cc4ae; }
.kind-drums { background: #3d3317; border-color: #e8b84a; }
.tl-playhead { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent); pointer-events: none; }

.inspector .eyebrow, .practice .eyebrow { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.inspector h3 { margin: 4px 0 10px; font-size: 18px; }
.inspector .ascii { margin: 0 0 12px; padding: 10px 12px; border-radius: 6px; background: var(--bg); font: 12px/1.45 var(--font-mono); overflow-x: auto; }
.inspector .lyric-big { font: 600 18px/1.4 var(--font-display); margin: 0 0 12px; }
.inspector-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- C · Cuaderno: el tramo que practicas, dónde tocar y el mapa ---------- */
body[data-view="cuaderno"] {
  --font-ui: "Work Sans", system-ui, sans-serif; --font-display: "Fraunces", Georgia, serif; --font-mono: "JetBrains Mono", ui-monospace, monospace;
}
/* Bloques reordenables: dos columnas; cada bloque ocupa el ancho completo o media
   columna (botones en su esquina) y su orden se guarda en la sesión. */
body[data-view="cuaderno"] .workspace { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-flow: row dense; }
body[data-view="cuaderno"] .widget { grid-column: 1 / -1; position: relative; }
body[data-view="cuaderno"] .widget.w-half { grid-column: auto; }
body[data-view="cuaderno"] #practice { display: flex; }
body[data-view="cuaderno"] #mapSheet { display: block; }
body[data-view="cuaderno"] .widget-tools { display: flex; gap: 4px; position: absolute; top: 12px; right: 12px; z-index: 2; }
body[data-view="cuaderno"] .widget .sheet-head, body[data-view="cuaderno"] #practice .eyebrow { padding-right: 150px; }
.widget-tools button { min-width: 34px; height: 32px; padding: 0 8px; font-size: 13px; }
body[data-view="cuaderno"] .bar-map button { min-height: 76px; border-radius: 10px; }
body[data-view="cuaderno"] .bar-map .chord { font-size: 22px; }
body[data-view="cuaderno"] .bar-map .role { display: block; }
body[data-view="cuaderno"] #stageSheet, body[data-view="cuaderno"] #baseSheet, body[data-view="cuaderno"] #lyricsSheet,
body[data-view="cuaderno"] #soloSheet { display: none; }
body[data-view="cuaderno"] .settings-btn { display: inline-block; }
body[data-view="cuaderno"] .side { display: none; }
body[data-view="cuaderno"].drawer-open .side {
  display: block; position: fixed; top: 0; right: 0; bottom: 0; width: min(360px, 100vw); max-height: none; z-index: 40;
  border-radius: 0; box-shadow: -8px 0 24px rgba(0, 0, 0, 0.2); padding-bottom: 100px;
}
.practice { flex-direction: column; gap: 14px; }
.practice h2 { margin: 0; font: 700 32px/1.15 var(--font-display); }
.practice-chords { margin: -6px 0 0; color: var(--muted); }
.practice-nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 4px; }
.practice-nav button { padding: 4px 12px; font-variant-numeric: tabular-nums; }
.practice-nav button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.practice-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.practice-bpm { min-width: 90px; text-align: center; font: 700 22px var(--font-display); }
/* Mapa alineado con la tab de práctica: mismos márgenes y una columna por compás. */
.practice-tab { display: flex; flex-direction: column; gap: 10px; }
.practice-strip { display: grid; gap: 0; margin: 0 4px 0 26px; }
.practice-strip button {
  margin: 0 3px; padding: 6px 8px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 8px 8px 0 0; background: var(--bg); color: var(--ink); text-align: left;
}
.practice-strip .num { font-size: 12px; color: var(--muted); }
.practice-strip .chord { font: 700 20px var(--font-display); }
.practice-strip .role { font-size: 12px; color: var(--muted); margin-left: auto; }
.practice-strip button.current { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.practice-strip button.current .num, .practice-strip button.current .role { color: var(--accent-ink); }
.practice-tab svg { display: block; margin-top: -4px; }
.practice-progress-text { display: flex; justify-content: space-between; color: var(--muted); margin-bottom: 6px; }
.progress { height: 10px; border-radius: 5px; background: var(--line); }
.progress > div { height: 10px; border-radius: 5px; background: var(--accent); transition: width 0.3s; }

/* Pantallas angostas: una sola columna, en el orden de cada vista. */
@media (max-width: 900px) {
  body[data-view="escenario"] .workspace { grid-template-areas: "stage" "map" "tabs" "pane" "pane2" "side"; }
  body[data-view="estudio"] .workspace { grid-template-areas: "stage" "timeline" "inspector" "tabs" "pane" "pane2" "side"; }
  body[data-view="cuaderno"] .widget.w-half { grid-column: 1 / -1; }
  body[data-view="estudio"] #timeline { overflow-x: auto; }
  .tl { min-width: 760px; }
  .view-switch { margin-left: 0; }
}

/* Impresión / PDF: solo las tablaturas y las notas para solear, en claro. */
@media print {
  :root { --bg: #fff; --panel: #fff; --ink: #000; --muted: #555; --line: #999; --hl: transparent; --hl-bar: transparent; }
  body { background: #fff; }
  .side, .transport, .head-menus, #fretboard, .fb-legend, .hint, .tech-legend { display: none !important; }
  body { padding-bottom: 0; }
  .workspace { display: block; }
  .sheet { border: 0; padding: 0; margin: 0 0 12px; break-inside: avoid; }
  .solo { break-before: page; }
  .status { display: none; }
}
.lyric-line.shout { font-style: italic; font-size: 14px; color: var(--accent); opacity: .85; }

/* --- Celular y tablet angosta: estilos arriba, cabecera compacta y barra de una fila --- */
.preset-strip, .menu-btn, .mobile-only, .sheet-only, .short { display: none; }
.sheet-backdrop { position: fixed; inset: 0; z-index: 29; background: rgba(0, 0, 0, 0.45); }
@media (max-width: 900px) {
  /* Los estilos suben a una fila deslizable bajo la cabecera; en el panel lateral sobran. */
  .preset-strip { display: block; padding: 0 16px 12px; max-width: 1320px; margin: 0 auto; }
  .side .presets { display: none; }
  .strip-label { display: flex; justify-content: space-between; align-items: baseline; margin: 0 0 6px; }
  .strip-label span { font: 700 12px var(--font-display); text-transform: uppercase; letter-spacing: 0.06em; color: var(--root); }
  .strip-label small { color: var(--muted); font-size: 12px; }
  .preset-cards {
    display: flex; gap: 8px; overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: 4px;
    -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent);
    scrollbar-width: none;
  }
  .preset-cards::-webkit-scrollbar { display: none; }
  .preset-card {
    flex: none; scroll-snap-align: start; text-align: left; padding: 9px 14px; border-radius: 10px;
    display: flex; flex-direction: column; gap: 2px; background: var(--panel);
  }
  .preset-card b { font-size: 14px; white-space: nowrap; }
  .preset-card small { color: var(--muted); font-size: 12px; }
  .preset-card[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
}
@media (max-width: 640px) {
  /* Cabecera en una línea: título, versión y ☰ (los menús se despliegan debajo). */
  .app-head { padding: 12px 16px 8px; gap: 8px 10px; }
  .app-head h1 { font-size: 18px; }
  .app-head .status { display: none; } /* tonalidad y tempo ya se ven en la barra y el mapa */
  .logo { width: 30px; height: 30px; }
  .brand { flex: 1; min-width: 0; gap: 8px; }
  .menu-btn { display: inline-block; padding: 6px 12px; font-size: 16px; }
  .view-switch { order: 5; width: 100%; display: flex; }
  .view-switch label { flex: 1; justify-content: center; text-align: center; }
  .head-menus { order: 6; display: none; width: 100%; }
  .app-head.menus-open .head-menus { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
  .head-menus #helpBtn { display: none; } /* sin teclado, los atajos no aplican */
  .head-menus .menu > summary, .head-menus > button { width: 100%; box-sizing: border-box; }
  .long { display: none; }
  .short { display: inline; }
  #videoPlay { display: none; } /* ▶ ya está en la barra de abajo */
  .video-bar { gap: 6px; }

  /* Barra de abajo: una fila (▶, qué suena, tempo y ⋯); lo demás en la hoja «⋯». */
  body { padding-bottom: 84px; }
  .transport { flex-wrap: nowrap; gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); }
  .transport > .t-item, .transport > .t-toggle, .transport > #loopMenu, .transport > .pos { display: none; }
  .mobile-only { display: inline-block; }
  .bpm-chip { white-space: nowrap; font-variant-numeric: tabular-nums; }
  .more-btn { margin-left: auto; font-size: 18px; padding: 4px 12px; }
  .transport.sheet-open {
    flex-wrap: wrap; border-radius: 18px 18px 0 0; padding-top: 14px; box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.5);
  }
  .transport.sheet-open > .t-item { display: flex; flex: 1 1 100%; }
  .transport.sheet-open > .t-item input[type="range"] { flex: 1; width: auto; }
  .transport.sheet-open > .t-toggle, .transport.sheet-open > #loopMenu {
    display: inline-flex; flex: 1 1 40%; box-sizing: border-box; border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px;
  }
  .transport.sheet-open > #loopMenu { display: block; }
  .transport.sheet-open > .sheet-only { display: block; flex: 1 1 100%; }
  /* En la hoja: arriba ▶, qué suena y ✕; debajo, el resto (el tempo ya está a la vista). */
  .transport.sheet-open > * { order: 10; }
  .transport.sheet-open > #play, .transport.sheet-open > .seg { order: 0; }
  .transport.sheet-open > .more-btn { order: 1; }
  .transport.sheet-open > .bpm-chip { display: none; }
  .transport.sheet-open > .sheet-only { order: 20; }
}

/* Pantalla «¡Tu video está listo!» después de grabar. */
.video-done { max-width: 440px; }
.video-done video { display: block; width: 100%; max-height: 46vh; background: #000; border-radius: 8px; margin-bottom: 10px; }
.done-main { width: 100%; font-size: 17px; padding: 12px; margin-bottom: 8px; }
.done-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 10px; }
.done-grid .primary { grid-column: 1 / -1; }
.share-intro, .share-hint { color: var(--muted); font-size: 13px; margin: 0 0 10px; }