/* jam.css — Página /jam/, pegá acordes y oílos */

.jam-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.jam-container h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin: 0 0 8px 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.jam-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0 0 32px 0;
}

#jam-input {
  width: 100%;
  font-family: var(--font-mono); /* A.6 */
  font-size: 15px;
  padding: 16px;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  resize: vertical;
  box-sizing: border-box;
}

#jam-input:focus {
  outline: none;
  border-color: var(--accent);
}

.jam-btn-primary {
  background: var(--accent);
  color: var(--bg);
  padding: 12px 32px;
  border: 0;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 16px;
  font-size: 15px;
  font-family: inherit;
  transition: opacity 0.15s;
}

.jam-btn-primary:hover {
  opacity: 0.9;
}

.jam-btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s;
}

.jam-btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.jam-feedback-container {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.jam-feedback-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.jam-feedback-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 0;
  font-weight: 600;
}

.jam-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.jam-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-mono); /* A.6 */
  font-size: 13px;
  border: 1px solid transparent;
}

.jam-chip-editable {
  padding: 12px 14px;
  flex-direction: column;
  align-items: flex-start;
  border-radius: 12px;
  min-width: 130px;
  gap: 0;
}

.jam-chip-roman {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  white-space: nowrap;
}

.jam-chip-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px 0;
}

.jam-chip-controls {
  display: flex;
  gap: 6px;
}

.jam-chip-borrowed {
  border: 1px dashed var(--accent);
  background: rgba(154, 59, 59, 0.05);
}

.jam-chip-ok {
  background: var(--accent-dim);
  color: var(--accent);
}

.jam-chip-warn {
  background: rgba(200, 140, 60, 0.15);
  color: #b87a2e;
  cursor: help;
}

.jam-chip-ignored {
  background: var(--bg-surface);
  color: var(--text-muted);
  border-color: var(--border);
  opacity: 0.85;
}

.jam-no-results {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.jam-player-container {
  margin-top: 32px;
}

.jam-player-container:empty {
  margin-top: 0;
}

.jam-share-container {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.jam-share-feedback {
  font-size: 13px;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.jam-share-feedback.visible {
  opacity: 1;
}

.jam-key-analysis {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 8px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.jam-key-main {
  font-size: 16px;
  color: var(--text);
}

.jam-key-label {
  color: var(--text-muted);
  font-size: 13px;
}

.jam-key-conf {
  margin-left: 8px;
  font-size: 12px;
  font-family: var(--font-mono); /* A.6 */
}

.jam-key-conf-high { color: var(--accent); }
.jam-key-conf-medium { color: #b87a2e; }
.jam-key-conf-low { color: var(--text-muted); }

.jam-key-alt {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Sección de Improvisación */
.jam-improv-section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.jam-section-title {
  font-size: 20px;
  margin: 0 0 4px 0;
  color: var(--text);
}

.jam-section-hint {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 24px 0;
}

/* Panel de escala en Jam (ajustes para layout simplificado) */
#improv-scale-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 24px;
}

#rs-scale-name {
  font-size: var(--text-lg); /* A.5: era 24px — unificado a --text-lg (22px) */
  font-weight: 700;
  margin-bottom: 4px;
}

#rs-scale-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

#rs-scale-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

#rs-scale-tip {
  font-size: 15px;
  line-height: 1.5;
  background: var(--accent-dim);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
}

/* =====================================================================
   MIMO — pulido visual Tu Tema (Dark Composer coherente)
   ===================================================================== */

/* Título con el mismo tratamiento que los hubs */
.jam-container h1 {
  font-family: var(--font-display), Georgia, serif;
  font-weight: 700;
  background: linear-gradient(135deg, var(--ink-composer-bright) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Botón Sonar: táctil y con halo */
.jam-btn-primary {
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
  box-shadow: var(--shadow-sm);
}
.jam-btn-primary:hover {
  opacity: 1;
  transform: translateY(-2px);
  background: var(--accent-primary-strong);
  box-shadow: var(--shadow-md), 0 0 16px var(--accent-primary-glow);
}
.jam-btn-primary:active { transform: translateY(0) scale(0.97); }
.jam-btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* Badge de loop (cuando la progresión se repite) */
.jam-loop-info {
  font-family: var(--font-mono), monospace;
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary-strong);
  background: var(--accent-primary-soft);
  border: 1px solid var(--accent-primary-soft);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  align-self: flex-start;
  margin: 4px 0 2px;
}

/* Chips: contenidos en una caja con scroll (no más muro de 128) */
.jam-chips-row {
  max-height: 360px;
  overflow-y: auto;
  padding: 4px 6px 4px 2px;
  align-content: flex-start;
}
.jam-chips-row::-webkit-scrollbar { width: 8px; }
.jam-chips-row::-webkit-scrollbar-thumb {
  background: var(--rule-composer-light);
  border-radius: var(--radius-pill);
}

/* Chip editable: card consistente con el resto del sistema */
.jam-chip-editable {
  background: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer);
  transition: transform var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.jam-chip-editable:hover {
  transform: translateY(-2px);
  border-color: var(--rule-composer-light);
  box-shadow: var(--shadow-md);
}
.jam-chip-name { color: var(--ink-composer-bright); }

/* Botones de control del chip: táctiles */
.jam-chip-btn {
  background: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  border-radius: var(--radius-sm);
  width: 26px;
  height: 26px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.jam-chip-btn:hover {
  background: var(--surface-sunken);
  color: var(--ink-composer-bright);
}
.jam-chip-btn:active { transform: scale(0.9); }
.jam-chip-btn-x:hover { color: var(--accent-primary-strong); border-color: var(--accent); }

/* Unificar el ámbar "simplificado/confianza media" a token */
.jam-chip-warn { background: var(--fn-dominant-dark-bg); color: var(--fn-dominant-dark); }
.jam-key-conf-medium { color: var(--fn-dominant-dark); }


/* =====================================================================
   F3 — Panel de criterio en Tu Tema (reusa componentes de progresiones)
   ===================================================================== */
.jam-improv-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 16px;
}
/* Override de las alturas fijas del dashboard (acá la página scrollea) */
#jam-improv-section .improv-levels-content { overflow: visible; flex-grow: 0; }
#jam-improv-section .improv-level-panel { height: auto; }
#jam-improv-section .improv-levels-tabs { display: flex; flex-wrap: wrap; gap: 8px; }

.jam-piano-zone {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  border-radius: 12px;
  padding: 20px;
}
.jam-info-zone {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.jam-improv-head { margin-bottom: 4px; }


/* =====================================================================
   Secciones de la canción (Verso / Coro / Puente…)
   ===================================================================== */
.jam-loop-info {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  color: var(--accent);
  margin: 0 0 12px;
}
.jam-section-card {
  background: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.jam-section-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.jam-section-name {
  font-family: var(--font-display), Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-composer-bright);
}
.jam-section-bars {
  font-family: var(--font-mono), monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-composer-faint);
}

/* Control de repeticiones de sección (↻ ×N) */
.jam-section-repeat { display: inline-flex; align-items: center; gap: 6px; }
.jam-rep-btn {
  background: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  width: 22px; height: 22px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px; line-height: 1;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.jam-rep-btn:hover { border-color: var(--accent); color: var(--accent); }
.jam-rep-count {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  color: var(--accent);
  min-width: 34px;
  text-align: center;
}


/* =====================================================================
   Criterio POR sección (acordes | teclado + escala + tip), lado a lado
   ===================================================================== */
.jam-section-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  gap: 18px;
  align-items: start;
}
@media (max-width: 820px) {
  .jam-section-body { grid-template-columns: 1fr; }
}

.jam-sec-criterio {
  background: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 8px;
  padding: 12px;
}
.jam-sec-criterio-head {
  font-family: var(--font-mono), monospace;
  font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--accent); margin-bottom: 8px;
}
.jam-sec-scales { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.jam-sec-scale-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); border-radius: 6px; padding: 4px 8px;
  font-size: 11px; cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.jam-sec-scale-chip:hover { border-color: var(--accent); }
.jam-sec-scale-chip.active { border-color: var(--accent); color: var(--ink-composer-bright); background: var(--bg-composer-4); }
.jam-sec-fit { font-family: var(--font-mono), monospace; font-size: 8px; text-transform: uppercase; color: var(--ink-composer-faint); }
.jam-sec-scale-chip.improv-fit-recommended .jam-sec-fit { color: var(--fn-tonic-dark); }

/* Teclado compacto (1 octava) */
.jam-mk { position: relative; height: 90px; display: flex; margin-bottom: 10px; }
.jam-mk-white-row { display: flex; width: 100%; height: 100%; }
.jam-mk-black-layer { position: absolute; top: 0; left: 0; width: 100%; height: 60%; pointer-events: none; }
.jam-mk-key {
  position: relative; cursor: pointer; display: flex; flex-direction: column;
  justify-content: flex-end; align-items: center; padding-bottom: 4px;
  border: 1px solid #1c1a19; border-top: none;
}
.jam-mk-white { flex: 1; background: var(--mini-white); border-radius: 0 0 4px 4px; }
.jam-mk-black {
  position: absolute; width: 4.8%; height: 100%;
  background: var(--mini-black); border: 1px solid #000; border-top: none;
  border-radius: 0 0 3px 3px; z-index: 5; pointer-events: auto;
}
.jam-mk-label { font-family: var(--font-mono), monospace; font-size: 8px; font-weight: 600; color: var(--bg-composer-2); pointer-events: none; }
.jam-mk-root  { background: var(--fn-tonic-dark) !important; }
.jam-mk-safe  { background: var(--fn-subdominant-dark) !important; }
.jam-mk-scale { background: var(--fn-dominant-dark) !important; }
.jam-mk-root .jam-mk-label, .jam-mk-safe .jam-mk-label, .jam-mk-scale .jam-mk-label { color: var(--bg-composer) !important; }
.jam-mk-out .jam-mk-label { display: none; }

/* Tip de la escala seleccionada */
.jam-sec-tip-name { font-family: var(--font-display), Georgia, serif; font-size: 14px; font-weight: 600; color: var(--burgundy-on-dark-hot); margin-bottom: 4px; }
.jam-sec-tip-desc { font-size: 11px; line-height: 1.45; color: var(--ink-composer-soft); }
.jam-sec-tip-line { font-size: 11px; line-height: 1.45; color: var(--ink-composer-soft); margin-top: 6px; }
.jam-sec-tip-line b { font-family: var(--font-mono), monospace; font-size: 8px; text-transform: uppercase; letter-spacing: 0.05em; margin-right: 3px; }
.jam-sec-tip-line b.use { color: var(--fn-tonic-dark); }
.jam-sec-tip-line b.avoid { color: var(--fn-dominant-dark); }


/* El botón de play del Jam lleva texto → botón ancho tipo píldora,
   no el círculo de 54px del dashboard de progresiones. */
#jam-player-container .prog-play-button {
  width: auto;
  height: auto;
  min-width: 0;
  border-radius: var(--radius-pill);
  padding: 11px 24px;
  gap: 8px;
}

/* Vista compositor: más ancho que el resto del sitio (cabe el 2-columnas) */
.main-content:has(.jam-container) { max-width: 1180px; }


/* Nombre de sección editable (es un <button>) */
.jam-section-name {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display), Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-composer-bright);
}
.jam-section-name:hover { color: var(--accent); text-decoration: underline dotted; }

/* Notas del acorde clickeado, resaltadas en el teclado de la sección */
.jam-mk-key.jam-mk-chord {
  box-shadow: inset 0 0 0 2px var(--burgundy-on-dark-hot), 0 0 7px var(--accent-primary-glow);
  z-index: 6;
}
/* Chip de acorde seleccionado (el que está iluminando el teclado) */
.jam-chip-editable.jam-chip-selected {
  border-color: var(--burgundy-on-dark-hot) !important;
  box-shadow: 0 0 0 1px var(--burgundy-on-dark-hot);
}


/* =====================================================================
   FASE A — Modo Músico/Productor · controles en hover · Ahora suena
   ===================================================================== */
.jam-mode-toggle { display:flex; align-items:center; gap:8px; margin:4px 0 14px; flex-wrap:wrap; }
.jam-mode-btn {
  background:var(--bg-composer-2); border:1px solid var(--rule-composer);
  color:var(--ink-composer-soft); border-radius:var(--radius-pill);
  padding:6px 14px; font-size:12px; font-weight:600; cursor:pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.jam-mode-btn:hover { border-color:var(--accent); }
.jam-mode-btn.active {
  background:var(--burgundy-on-dark-soft); border-color:var(--burgundy-on-dark);
  color:var(--burgundy-on-dark-hot);
}
.jam-mode-hint { font-size:11px; color:var(--ink-composer-faint); font-style:italic; }

/* Modo Músico: esconde la teoría */
.jam-container.mode-musico .jam-chip-roman,
.jam-container.mode-musico .jam-sec-fit,
.jam-container.mode-musico ~ #jam-nowplaying .jam-np-roman { display:none; }

/* Controles del acorde sólo en hover */
.jam-chip-controls {
  opacity:0; pointer-events:none;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.jam-chip-editable:hover .jam-chip-controls,
.jam-chip-editable:focus-within .jam-chip-controls,
.jam-chip-editable.jam-chip-now .jam-chip-controls { opacity:1; pointer-events:auto; }

/* Acorde sonando ahora */
.jam-chip-editable.jam-chip-now {
  border-color:var(--burgundy-on-dark-hot) !important;
  box-shadow: 0 0 0 1px var(--burgundy-on-dark-hot), 0 0 14px var(--accent-primary-glow);
  transform: translateY(-2px);
}

/* Barra fija "Ahora suena" */
.jam-nowplaying {
  position:fixed; left:50%; bottom:18px;
  transform: translateX(-50%) translateY(20px);
  display:flex; align-items:center; gap:12px;
  background:var(--bg-composer-3); border:1px solid var(--rule-composer-light);
  border-radius:var(--radius-pill); padding:10px 20px;
  box-shadow:var(--shadow-lg); opacity:0; pointer-events:none; z-index:60; max-width:92vw;
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.jam-nowplaying[data-visible="true"] { opacity:1; transform: translateX(-50%) translateY(0); }
.jam-np-label { font-family:var(--font-mono),monospace; font-size:9px; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-composer-faint); }
.jam-np-name { font-family:var(--font-display),Georgia,serif; font-size:20px; font-weight:700; color:var(--burgundy-on-dark-hot); }
.jam-np-roman { font-family:var(--font-mono),monospace; font-size:11px; color:var(--ink-composer-soft); }
.jam-np-why { font-size:12px; color:var(--ink-composer); font-style:italic; }


/* =====================================================================
   FASE B — Shell maestro-detalle (sidebar de partes + detalle)
   ===================================================================== */
.jam-shell {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 14px;
}
@media (max-width: 780px) { .jam-shell { grid-template-columns: 1fr; } }

.jam-sidebar { display: flex; flex-direction: column; gap: 6px; position: sticky; top: 16px; }
.jam-sidebar-title {
  font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--ink-composer-faint); padding: 2px 8px 4px;
}
.jam-sec-nav {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  text-align: left; background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  border-left: 3px solid transparent; border-radius: 8px; padding: 9px 12px; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.jam-sec-nav:hover { border-color: var(--rule-composer-light); transform: translateX(2px); }
.jam-sec-nav.active { border-left-color: var(--burgundy-on-dark); background: var(--bg-composer-3); }
.jam-sec-nav.playing { border-left-color: var(--fn-tonic-dark); box-shadow: -2px 0 8px rgba(155,176,104,.25); }
.jam-sec-nav-name { font-family: var(--font-display), Georgia, serif; font-size: 14px; font-weight: 600; color: var(--ink-composer-bright); }
.jam-sec-nav-meta { font-family: var(--font-mono), monospace; font-size: 9px; color: var(--ink-composer-faint); }
.jam-detail { min-width: 0; }


/* =====================================================================
   FASE B.2 — Pads de acorde coloreados por función + teclado grande
   ===================================================================== */
.jam-chip-editable {
  min-width: 92px;
  padding: 12px 12px 9px;
  border-radius: 10px;
  border-left-width: 4px;
}
.jam-chip-editable .jam-chip-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-composer-bright);
}
.jam-chip-editable.jam-chip-fn-tonic       { background: var(--fn-tonic-dark-bg) !important;       border-left-color: var(--fn-tonic-dark) !important; }
.jam-chip-editable.jam-chip-fn-dominant    { background: var(--fn-dominant-dark-bg) !important;    border-left-color: var(--fn-dominant-dark) !important; }
.jam-chip-editable.jam-chip-fn-subdominant { background: var(--fn-subdominant-dark-bg) !important; border-left-color: var(--fn-subdominant-dark) !important; }
.jam-chip-editable.jam-chip-fn-borrowed    { background: var(--burgundy-on-dark-soft) !important;  border-left-color: var(--burgundy-on-dark) !important; }

/* Teclado más grande y protagonista en el detalle */
.jam-detail .jam-mk { height: 132px; }
.jam-detail .jam-mk-label { font-size: 10px; }


/* =====================================================================
   FIEL AL PROTOTIPO — pads SÓLIDOS y bold (no tintes suaves)
   ===================================================================== */
.jam-chip-editable {
  border: none !important;
  border-radius: 12px;
  min-width: 104px;
  padding: 14px 14px 10px;
}
.jam-chip-editable.jam-chip-fn-tonic       { background: var(--fn-tonic-dark) !important; }
.jam-chip-editable.jam-chip-fn-dominant    { background: var(--fn-dominant-dark) !important; }
.jam-chip-editable.jam-chip-fn-subdominant { background: var(--fn-subdominant-dark) !important; }
.jam-chip-editable.jam-chip-fn-borrowed    { background: var(--burgundy-on-dark) !important; }
.jam-chip-editable.jam-chip-fn-neutral     { background: var(--bg-composer-4) !important; }
.jam-chip-editable .jam-chip-name  { color: var(--bg-composer) !important; font-size: 22px; }
.jam-chip-editable .jam-chip-roman { color: rgba(26, 24, 22, 0.72) !important; }
.jam-chip-editable.jam-chip-fn-neutral .jam-chip-name { color: var(--ink-composer-bright) !important; }


/* =====================================================================
   FIEL AL PROTOTIPO — acordes en FILA arriba, teclado+escalas debajo
   ===================================================================== */
.jam-section-body { display: flex !important; flex-direction: column; gap: 20px; }
.jam-section-chords { width: 100%; }
.jam-section-chords .jam-chips-row { display: flex; flex-wrap: wrap; gap: 10px; }

.jam-sec-criterio-body { display: grid; grid-template-columns: 1fr 200px; gap: 18px; align-items: start; }
@media (max-width: 700px) { .jam-sec-criterio-body { grid-template-columns: 1fr; } }
.jam-sec-criterio-body .jam-sec-scales { flex-direction: column; align-items: stretch; gap: 5px; margin-bottom: 0; }
.jam-sec-criterio-body .jam-sec-scale-chip { justify-content: space-between; width: 100%; }

.jam-detail .jam-mk { height: 150px; }


/* Teclado grande de verdad en el detalle (ocupa todo el ancho disponible) */
.jam-section-criterio-col, .jam-sec-criterio { width: 100%; }
.jam-sec-criterio-body { grid-template-columns: minmax(0, 1fr) 190px !important; }
.jam-sec-kb, .jam-mk { width: 100%; }
.jam-detail .jam-mk { height: 160px; }


/* =====================================================================
   CONSOLA TOCALÁ — app a PANTALLA COMPLETA (fiel al prototipo)
   ===================================================================== */
.tocala-app {
  position: fixed; inset: 0; z-index: 100; overflow: hidden;
  background: var(--bg-composer); color: var(--text);
  display: grid;
  grid-template-columns: 230px 1fr 250px;
  grid-template-rows: 56px 1fr auto;
  grid-template-areas:
    "topbar topbar topbar"
    "sidebar center right"
    "transport transport transport";
}

/* TOP BAR */
/* Topbar western: cuero oscuro, hilo sepia abajo */
.ta-topbar { grid-area: topbar; display: flex; align-items: center; gap: 18px; padding: 0 18px;
  background: linear-gradient(180deg, #16120f 0%, #0e0b09 100%);
  border-bottom: 1px solid var(--west-sepia-dim); }
.ta-brand { text-decoration: none; transition: opacity var(--duration-fast) var(--ease-out); }
.ta-brand:hover { opacity: .9; }

/* Nav dentro del Jam: para no quedar atrapado en la herramienta */
.ta-nav { display: flex; gap: 14px; align-items: center; }
.ta-nav a {
  font-size: 12px; color: var(--ink-composer-soft); text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.ta-nav a:hover { color: var(--burgundy-on-dark-hot); }
.ta-nav .ta-lang {
  font-family: var(--font-mono), monospace; font-size: 10px; font-weight: 700;
  letter-spacing: .06em; border: 1px solid var(--rule-composer);
  border-radius: 6px; padding: 3px 8px; color: var(--west-sepia);
}
.ta-nav .ta-lang:hover { border-color: var(--west-sepia); color: var(--west-bone); }
@media (max-width: 900px) { .ta-nav { display: none; } }
.ta-key { flex: 1; text-align: center; font-size: 13px; color: var(--ink-composer-soft); }
.ta-key .jam-key-alt { display: none; }
.ta-key .jam-key-main strong { color: var(--ink-composer-bright); }
.ta-inst { display: flex; gap: 4px; }
.ta-inst-btn { background: var(--bg-composer-3); border: 1px solid var(--rule-composer); border-radius: 8px; padding: 5px 9px; font-size: 14px; cursor: pointer; }
.ta-inst-btn.active { border-color: var(--burgundy-on-dark); }
.ta-inst-btn:disabled { opacity: .4; cursor: default; }
.ta-topbar .jam-mode-toggle { margin: 0; }

/* Controles globales: capo (transponer) + estilo (preset de género) */
.ta-global { display: flex; align-items: center; gap: 10px; }
.ta-capo { display: flex; align-items: center; gap: 5px;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer); border-radius: var(--radius-pill); padding: 3px 8px; }
.ta-capo-lbl { font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-composer-faint); }
.ta-capo-btn {
  width: 20px; height: 20px; border-radius: 5px; cursor: pointer; line-height: 1; font-size: 13px;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer); color: var(--ink-composer-soft);
}
.ta-capo-btn:hover { border-color: var(--burgundy-on-dark); color: var(--ink-composer-bright); }
.ta-capo-val { font-family: var(--font-mono), monospace; font-size: 12px; font-weight: 600; color: var(--burgundy-on-dark-hot); min-width: 20px; text-align: center; }
.ta-style {
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer); color: var(--ink-composer-bright);
  font-size: 11px; padding: 5px 8px; border-radius: 6px; cursor: pointer; outline: none;
}
.ta-style:hover { border-color: var(--burgundy-on-dark); }

/* SIDEBAR */
.ta-sidebar { grid-area: sidebar; background: var(--bg-composer-2); border-right: 1px solid var(--rule-composer);
  padding: 16px 12px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; }
.ta-sidebar-head { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--ink-composer-bright); display: flex; flex-direction: column; }
.ta-sidebar-head small { font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-composer-faint); font-weight: 400; margin-top: 3px; }
.ta-parts { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.ta-paste-btn { margin-top: auto; background: var(--bg-composer-3); border: 1px dashed var(--rule-composer-light); color: var(--ink-composer-soft); border-radius: 8px; padding: 10px; font-size: 12px; cursor: pointer; }
.ta-paste-btn:hover { border-color: var(--accent); color: var(--accent); }

/* CENTER */
.ta-center { grid-area: center; padding: 20px 24px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; }
.ta-chords-head { display: flex; align-items: center; justify-content: space-between; }
.ta-chords-name { background: none; border: none; font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--ink-composer-bright); cursor: pointer; }
.ta-chords-name:hover { color: var(--accent); }
.ta-chords-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.ta-rep { display: flex; align-items: center; gap: 8px; }
.ta-rep-count { font-family: var(--font-mono); font-size: 11px; color: var(--ink-composer-soft); }
.ta-keyboard { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 0; }
.ta-keyboard .jam-mk { height: 210px; width: 100%; max-width: 780px; }

/* RIGHT (escalas) */
.ta-right { grid-area: right; background: var(--bg-composer-2); border-left: 1px solid var(--rule-composer); padding: 16px 14px; overflow-y: auto; }
.ta-right-head { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-composer-faint); margin-bottom: 10px; }
.ta-scales-list { display: flex; flex-direction: column; gap: 5px; }
.ta-scales-list .jam-sec-scale-chip { width: 100%; justify-content: space-between; }

/* TRANSPORT */
.ta-transport { grid-area: transport; background: var(--bg-composer-2); border-top: 1px solid var(--rule-composer);
  display: flex; flex-direction: column; }
.ta-transport-controls {
  display: grid; grid-template-columns: 300px 1fr 220px; align-items: center;
  padding: 0 20px; gap: 16px; min-height: 88px;
}
.ta-controls { display: flex; align-items: center; justify-content: center; gap: 14px; }
.ta-transport-right { display: flex; justify-content: flex-end; }

/* =====================================================================
   RUEDA DE REARMONIZACIÓN (radial, estilo "rueda de objetos")
   ===================================================================== */
.jam-wheel-overlay {
  position: fixed; inset: 0; z-index: 300;
  /* Tenue y sin blur: el piano grande sigue visible para que veas el acorde */
  background: rgba(10, 9, 8, 0.28);
}
.jam-wheel {
  position: fixed; width: 0; height: 0;
  animation: jam-wheel-in 0.16s var(--ease-out);
}
@keyframes jam-wheel-in { from { transform: scale(0.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.jam-wheel-center {
  position: absolute; left: 0; top: 0; transform: translate(-50%, -50%);
  width: 92px; height: 92px; border-radius: 50%;
  background: radial-gradient(circle at 50% 38%, var(--bg-composer-4), var(--bg-composer-2));
  border: 1px solid var(--rule-composer-light);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 6px 22px rgba(0,0,0,0.5);
  pointer-events: none;
}
.jam-wheel-center-name {
  font-family: var(--font-display), Georgia, serif; font-size: 22px; font-weight: 700;
  color: var(--ink-composer-bright);
}
.jam-wheel-center-hint {
  font-family: var(--font-mono), monospace; font-size: 8px; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--ink-composer-faint); margin-top: 2px;
}

.jam-wheel-item {
  position: absolute; transform: translate(-50%, -50%);
  width: 116px; min-height: 52px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer);
  border-radius: 12px; padding: 8px 10px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  transition: transform var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}
.jam-wheel-item:hover {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--burgundy-on-dark);
  border-color: var(--burgundy-on-dark-hot);
  z-index: 2;
}
.jam-wheel-name {
  font-family: var(--font-display), Georgia, serif; font-size: 18px; font-weight: 700;
  color: var(--ink-composer-bright);
}
.jam-wheel-item:hover .jam-wheel-name { color: var(--bg-composer); }
.jam-wheel-teach {
  font-size: 10px; line-height: 1.15; color: var(--ink-composer-soft); text-align: center;
}
.jam-wheel-item:hover .jam-wheel-teach { color: var(--bg-composer); }

/* Acento por tipo de sustitución (borde izquierdo de color) */
.jam-wheel-item.reharm-secdom { border-top: 2px solid var(--fn-dominant-dark); }
.jam-wheel-item.reharm-tritone { border-top: 2px solid var(--burgundy-on-dark-hot); }
.jam-wheel-item.reharm-color { border-top: 2px solid var(--fn-subdominant-dark); }
.jam-wheel-item.reharm-humor { border-top: 2px solid var(--fn-tonic-dark); }

/* Anillo externo: círculo de quintas */
.jam-wheel-cof {
  position: absolute; transform: translate(-50%, -50%);
  min-width: 40px; height: 34px; padding: 0 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono), monospace; font-size: 12px; font-weight: 600;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); border-radius: var(--radius-pill); cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  transition: transform var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.jam-wheel-cof.in-key { color: var(--ink-composer-bright); border-color: var(--rule-composer-light); }
.jam-wheel-cof:hover {
  transform: translate(-50%, -50%) scale(1.18);
  background: var(--burgundy-on-dark); border-color: var(--burgundy-on-dark-hot); color: var(--bg-composer);
  z-index: 3;
}
.jam-wheel-ring-label {
  position: absolute; left: 0; top: -232px; transform: translateX(-50%);
  font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ink-composer-faint); white-space: nowrap;
}

/* "Por qué en tu tema" — el consejo contextual, destacado en sepia */
.ta-why {
  margin-bottom: 10px;
  padding: 8px 10px;
  background: rgba(201, 168, 106, 0.08);
  border-left: 2px solid var(--west-sepia);
  border-radius: 0 6px 6px 0;
}
.ta-why-label { color: var(--west-sepia) !important; }
.ta-why-text { font-size: 12px; line-height: 1.5; color: var(--ink-composer-bright); margin: 0; font-style: italic; }

/* Badge de voicing en la barra */
.ta-tl-voice {
  position: absolute; bottom: 3px; right: 14px;
  font-family: var(--font-mono), monospace; font-size: 8px; font-weight: 700;
  color: var(--bg-composer); background: rgba(26,24,22,0.45);
  border-radius: 3px; padding: 0 3px;
}
.ta-tl-seg.jam-chip-fn-neutral .ta-tl-voice { color: var(--ink-composer-bright); }

/* Popover genérico (menú de voicing) */
.jam-pop-overlay { position: fixed; inset: 0; z-index: 300; }
.jam-pop {
  position: fixed; width: 210px;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer-light);
  border-radius: 10px; box-shadow: var(--shadow-lg); padding: 6px;
  animation: jam-wheel-in 0.14s var(--ease-out);
}
.jam-pop-title {
  font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-composer-faint); padding: 4px 8px 6px;
}
.jam-pop-item {
  display: flex; flex-direction: column; gap: 1px; width: 100%; text-align: left;
  background: none; border: none; border-radius: 7px; padding: 7px 10px; cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out);
}
.jam-pop-item:hover { background: var(--burgundy-on-dark); }
.jam-pop-item.active { background: var(--bg-composer-4); }
.jam-pop-name { font-size: 13px; font-weight: 600; color: var(--ink-composer-bright); }
.jam-pop-item:hover .jam-pop-name { color: var(--bg-composer); }
.jam-pop-teach { font-size: 10px; color: var(--ink-composer-soft); }
.jam-pop-item:hover .jam-pop-teach { color: var(--bg-composer); }

/* Tempo + tap (slot izquierdo del transporte) */
.ta-tempo { display: flex; flex-direction: column; gap: 5px; max-width: 200px; }
.ta-tempo-top { display: flex; align-items: center; gap: 10px; }
.ta-tempo-val {
  font-family: var(--font-mono), monospace; font-size: 13px; font-weight: 600;
  color: var(--ink-composer-bright);
}
.ta-tap {
  font-family: var(--font-mono), monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer); color: var(--ink-composer-soft);
  border-radius: var(--radius-pill); padding: 4px 12px; cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.ta-tap:hover { border-color: var(--burgundy-on-dark); color: var(--ink-composer-bright); }
.ta-tap.tapped { animation: ta-tap-flash 0.18s var(--ease-out); }
@keyframes ta-tap-flash { 0% { background: var(--burgundy-on-dark); color: var(--bg-composer); } 100% {} }
.ta-tempo input[type="range"] {
  width: 100%; height: 4px; accent-color: var(--burgundy-on-dark);
  background: var(--bg-composer-3); border-radius: 2px; cursor: pointer;
}

/* Compactar el bloque de reproducción (nada de tarjetón gigante) */
#jam-player-container .prog-player {
  background: none; border: none; box-shadow: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
#jam-player-container .prog-status { margin: 0; font-size: 11px; }

/* Cinta de karaoke: la línea que suena (grande) + la que sigue (tenue) */
.ta-karaoke {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 20px 8px;
  border-bottom: 1px solid var(--rule-composer);
  text-align: center;
}
.ta-karaoke[hidden] { display: none; }
.ta-kar-now, .ta-kar-next {
  display: flex; align-items: baseline; gap: 10px;
  max-width: 100%;
}
.ta-kar-tag {
  font-family: var(--font-mono), monospace; font-size: 8px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ink-composer-faint); flex-shrink: 0; width: 34px; text-align: right;
}
.ta-kar-now-text {
  font-family: var(--font-display), Georgia, serif; font-size: 19px; font-weight: 600;
  color: var(--burgundy-on-dark-hot); line-height: 1.15;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ta-kar-next-text {
  font-size: 13px; color: var(--ink-composer-soft); font-style: italic;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* La card "Ahora suena" (now-playing.js) reubicada en el transporte-izq */
#now-playing-card { left: 16px !important; bottom: 14px !important; max-width: 280px; }

/* =====================================================================
   EMPTY STATE = LANDING — hero + navegación SEO musical (una sola página)
   ===================================================================== */
.ta-empty { display: none; }
.tocala-app[data-empty="true"] .ta-empty {
  display: flex; flex-direction: column; gap: 40px;
  width: 100%; max-width: 860px; margin: 0 auto;
  align-items: center; text-align: center;
  overflow-y: auto; padding: 44px 18px 60px;
}
.tocala-app[data-empty="true"] .ta-center { overflow-y: auto; }
.tocala-app[data-empty="true"] #jam-chords,
.tocala-app[data-empty="true"] #jam-keyboard { display: none; }
.tocala-app[data-empty="true"] .ta-right > .ta-right-head,
.tocala-app[data-empty="true"] #jam-scales { opacity: .25; }

/* Hero */
.ta-hero { display: flex; flex-direction: column; gap: 16px; align-items: center; width: 100%; max-width: 640px; }
/* Título de cartel: brocha western, hueso con sombra de tinta */
.ta-empty-title {
  font-family: 'Permanent Marker', var(--font-display), cursive; font-weight: 400;
  font-size: clamp(34px, 5.4vw, 54px); line-height: 1.1; letter-spacing: 0.01em; margin: 0;
  color: var(--west-bone);
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.45), 0 6px 18px rgba(0, 0, 0, 0.5);
}
.ta-empty-title em, .ta-empty-title .t-red { font-style: normal; color: var(--accent); }
.ta-empty-sub { color: var(--ink-composer-soft); margin: 0; max-width: 520px; font-size: 16px; line-height: 1.5; }
.ta-empty textarea { width: 100%; min-height: 130px; }

/* Etiqueta de bloque */
.ta-block-label {
  display: block; font-family: var(--font-mono), monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-composer-faint);
  margin-bottom: 14px;
}

/* Quick starts: clásicos que cargan al toque */
.ta-qs { width: 100%; }
.ta-qs-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.ta-qs-chip {
  display: flex; flex-direction: column; gap: 3px; align-items: flex-start; text-align: left;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  border-radius: 12px; padding: 12px 16px; text-decoration: none; min-width: 150px;
  transition: transform var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.ta-qs-chip:hover { transform: translateY(-3px); border-color: var(--burgundy-on-dark); box-shadow: var(--shadow-md), 0 0 14px var(--accent-primary-glow); }
.ta-qs-name { font-size: 13px; font-weight: 700; color: var(--ink-composer-bright); }
.ta-qs-chords { font-family: var(--font-mono), monospace; font-size: 11px; color: var(--burgundy-on-dark-hot); }

/* Círculo de quintas navegable */
.ta-cof-block { width: 100%; }
.ta-cof {
  position: relative; width: min(430px, 88vw); aspect-ratio: 1; margin: 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 55%, var(--bg-composer-2) 55.5%, var(--bg-composer-2) 100%);
}
.ta-cof::before, .ta-cof::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid var(--rule-composer); pointer-events: none;
}
.ta-cof::after { inset: 18%; }
.ta-cof-hub {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-composer-faint);
}
.ta-cof-major, .ta-cof-minor {
  position: absolute; transform: translate(-50%, -50%);
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.ta-cof-major {
  width: 46px; height: 46px;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer-light);
  color: var(--ink-composer-bright); font-family: var(--font-display); font-size: 16px; font-weight: 700;
}
.ta-cof-minor {
  width: 34px; height: 34px;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); font-family: var(--font-mono), monospace; font-size: 11px;
}
.ta-cof-major:hover, .ta-cof-minor:hover {
  transform: translate(-50%, -50%) scale(1.18);
  background: var(--burgundy-on-dark); color: var(--bg-composer);
  border-color: var(--burgundy-on-dark-hot);
  box-shadow: 0 0 18px var(--accent-primary-glow); z-index: 3;
}

/* Piano-navegación: una tecla, un acorde */
.ta-pnav-block { width: 100%; }
.ta-pnav { position: relative; width: min(480px, 92vw); height: 120px; margin: 0 auto; }
.ta-pnav-white { display: flex; width: 100%; height: 100%; }
.ta-pnav-white a {
  flex: 1; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 8px;
  background: var(--mini-white); border: 1px solid #1c1a19; border-radius: 0 0 6px 6px;
  text-decoration: none; transition: background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.ta-pnav-white a span { font-family: var(--font-mono), monospace; font-size: 11px; font-weight: 700; color: var(--bg-composer-2); }
.ta-pnav-white a:hover { background: var(--burgundy-on-dark-hot); transform: translateY(2px); }
.ta-pnav-white a:hover span { color: var(--bg-composer); }
.ta-pnav-black { position: absolute; top: 0; left: 0; width: 100%; height: 58%; pointer-events: none; }
.ta-pnav-black a {
  position: absolute; width: 11%; height: 100%;
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 5px;
  background: var(--mini-black); border: 1px solid #000; border-radius: 0 0 4px 4px;
  text-decoration: none; z-index: 4; pointer-events: auto;
  transition: background-color var(--duration-fast) var(--ease-out);
}
.ta-pnav-black a span { font-family: var(--font-mono), monospace; font-size: 9px; font-weight: 700; color: var(--ink-composer-soft); }
.ta-pnav-black a:hover { background: var(--burgundy-on-dark); }
.ta-pnav-black a:hover span { color: var(--bg-composer); }

/* =====================================================================
   CONSTRUCTOR GUIADO POR ARMONÍA — armá tu tema sin tab
   ===================================================================== */
.ta-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: center; }
.ta-builder-toggle {
  background: transparent; border: 1px dashed var(--rule-composer-light);
  color: var(--ink-composer-soft); border-radius: var(--radius-pill);
  padding: 11px 20px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.ta-builder-toggle:hover, .ta-builder-toggle.active { border-color: var(--burgundy-on-dark); color: var(--burgundy-on-dark-hot); }

.ta-builder {
  width: 100%; max-width: 720px;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  border-radius: 16px; padding: 22px 22px 18px;
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: var(--shadow-md);
}
.ta-builder[hidden] { display: none; }

.ta-b-setup { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.ta-b-moods { display: flex; gap: 8px; }
.ta-b-mood {
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); border-radius: var(--radius-pill);
  padding: 8px 18px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.ta-b-mood:hover { border-color: var(--burgundy-on-dark); }
.ta-b-mood.active { background: var(--burgundy-on-dark); border-color: var(--burgundy-on-dark-hot); color: var(--bg-composer); }
.ta-b-tones { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.ta-b-tone {
  font-family: var(--font-mono), monospace; font-size: 11px; font-weight: 600;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); border-radius: 6px; padding: 4px 8px; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.ta-b-tone:hover { border-color: var(--burgundy-on-dark); color: var(--ink-composer-bright); }
.ta-b-tone.active { background: var(--burgundy-on-dark); border-color: var(--burgundy-on-dark-hot); color: var(--bg-composer); }

/* Paleta diatónica: la familia de la tonalidad, coloreada por función */
.ta-b-palette { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; }
@media (max-width: 640px) { .ta-b-palette { grid-template-columns: repeat(4, 1fr); } }
.ta-b-pad {
  display: flex; flex-direction: column; gap: 2px; align-items: center;
  border: none; border-radius: 10px; padding: 11px 4px 9px; cursor: pointer;
  background: var(--bg-composer-4);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), filter var(--duration-fast) var(--ease-out);
}
.ta-b-pad:hover { transform: translateY(-3px); filter: brightness(1.1); }
.ta-b-pad:active { transform: scale(0.95); }
.ta-b-pad.jam-chip-fn-tonic       { background: var(--fn-tonic-dark); }
.ta-b-pad.jam-chip-fn-dominant    { background: var(--fn-dominant-dark); }
.ta-b-pad.jam-chip-fn-subdominant { background: var(--fn-subdominant-dark); }
.ta-b-pad.jam-chip-fn-borrowed    { background: var(--burgundy-on-dark); }
.ta-b-pad.suggested {
  box-shadow: 0 0 0 2px var(--ink-composer-bright), 0 0 16px var(--accent-primary-glow);
  animation: ta-b-pulse 1.6s ease-in-out infinite;
}
@keyframes ta-b-pulse { 50% { box-shadow: 0 0 0 2px var(--ink-composer-bright), 0 0 26px var(--accent-primary-glow); } }
.ta-b-roman { font-family: var(--font-mono), monospace; font-size: 10px; color: rgba(26,24,22,.72); }
.ta-b-name  { font-family: var(--font-display), Georgia, serif; font-size: 19px; font-weight: 700; color: var(--bg-composer); }
.ta-b-fn    { font-size: 8px; text-transform: uppercase; letter-spacing: .05em; color: rgba(26,24,22,.6); }
.ta-b-pad.jam-chip-fn-neutral .ta-b-name { color: var(--ink-composer-bright); }
.ta-b-pad.jam-chip-fn-neutral .ta-b-roman, .ta-b-pad.jam-chip-fn-neutral .ta-b-fn { color: var(--ink-composer-faint); }

.ta-b-guide { margin: 0; font-size: 13px; font-style: italic; color: var(--ink-composer-soft); text-align: center; min-height: 1.4em; }

.ta-b-strip { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; padding: 10px; background: var(--bg-composer); border-radius: 10px; }
.ta-b-chip {
  font-family: var(--font-mono), monospace; font-size: 13px; font-weight: 700;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer-light);
  color: var(--ink-composer-bright); border-radius: 8px; padding: 6px 10px; cursor: pointer;
}
.ta-b-chip:hover { border-color: var(--accent); }
.ta-b-x { color: var(--ink-composer-faint); font-size: 11px; margin-left: 2px; }
.ta-b-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.ta-b-clear { background: none; border: none; color: var(--ink-composer-faint); font-size: 12px; cursor: pointer; text-decoration: underline dotted; }
.ta-b-clear:hover { color: var(--burgundy-on-dark-hot); }

/* Biblioteca (links de salida, compactos) */
.ta-lib { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.ta-lib a {
  font-size: 13px; font-weight: 600; color: var(--ink-composer-soft); text-decoration: none;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  border-radius: var(--radius-pill); padding: 9px 20px;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.ta-lib a:hover { border-color: var(--burgundy-on-dark); color: var(--burgundy-on-dark-hot); }


/* Fix teclado: .jam-mk debe ser bloque (no flex) para que la fila de teclas
   ocupe el 100% del ancho; si es flex, la fila se encoge al contenido. */
.jam-mk { display: block; }
.ta-keyboard .jam-mk { margin: 0 auto; }


/* El holder del teclado debe ocupar ancho (es flex-item, si no se encoge) */
.ta-kb-holder { width: 100%; max-width: 820px; }
.ta-keyboard .jam-mk { width: 100%; max-width: none; }


/* =====================================================================
   LETRA — overlay sobre el centro: leé mientras suena (no vas a lacuerda)
   ===================================================================== */
.ta-center { position: relative; }

.ta-lyrics-btn {
  background: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}
.ta-lyrics-btn:hover { border-color: var(--burgundy-on-dark); color: var(--ink-composer-bright); }
.tocala-app[data-lyrics-open="true"] .ta-lyrics-btn {
  background: var(--burgundy-on-dark);
  border-color: var(--burgundy-on-dark-hot);
  color: var(--bg-composer);
}

.ta-lyrics {
  position: absolute;
  inset: 0;
  background: var(--bg-composer);
  display: none;
  flex-direction: column;
  z-index: 20;
}
.tocala-app[data-lyrics-open="true"] .ta-lyrics { display: flex; }

.ta-lyrics-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--rule-composer);
  flex-shrink: 0;
}
.ta-lyrics-title {
  font-family: var(--font-display), Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--burgundy-on-dark-hot);
}
.ta-lyrics-close {
  background: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  border-radius: 6px;
  width: 28px; height: 28px;
  cursor: pointer;
  font-size: 13px;
}
.ta-lyrics-close:hover { border-color: var(--accent); color: var(--accent); }

.ta-lyrics-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 24px 40px;
}

.jam-lyr-section { margin-bottom: 26px; }
.jam-lyr-head {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--burgundy-on-dark-hot);
  border-bottom: 1px solid var(--rule-composer);
  padding-bottom: 5px;
  margin-bottom: 12px;
}
.jam-lyr-rep {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-composer-faint);
  margin: 10px 0 4px;
}
.jam-lyr-stanza { margin-bottom: 14px; }
.jam-lyr-line { margin-bottom: 6px; }
.jam-lyr-chords {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--burgundy-on-dark-hot);
  white-space: pre;
  line-height: 1.2;
}
.jam-lyr-text {
  font-family: var(--font-mono), monospace;
  font-size: 13px;
  color: var(--ink-composer);
  white-space: pre-wrap;
  line-height: 1.3;
}

/* =====================================================================
   GROOVE POR SECCIÓN — el ritmo de cada parte, elegible y que enseña
   ===================================================================== */
/* ATRIL · plano 3 (consola): el ritmo es UNA línea fina que scrollea,
   nunca un bloque que compita con la partitura ni el piano. */
.ta-groove {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 6px 0 2px;
  flex-shrink: 0;
}
.ta-groove-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.ta-groove-label {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-composer-faint);
  flex-shrink: 0;
}
.ta-groove-chips {
  display: flex;
  flex-wrap: nowrap;
  gap: 5px;
  overflow-x: auto;
  scrollbar-width: none;
  min-width: 0;
}
.ta-groove-chips::-webkit-scrollbar { display: none; }
.ta-groove-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  background: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  border-radius: var(--radius-pill);
  padding: 4px 11px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.ta-groove-chip:hover {
  border-color: var(--burgundy-on-dark);
  color: var(--ink-composer-bright);
  transform: translateY(-1px);
}
.ta-groove-chip.active {
  background: var(--burgundy-on-dark);
  border-color: var(--burgundy-on-dark-hot);
  color: var(--bg-composer);
}
.ta-groove-emoji { font-size: 13px; line-height: 1; }
.ta-groove-design {
  background: var(--bg-composer-3); border: 1px dashed var(--rule-composer-light);
  color: var(--burgundy-on-dark-hot); border-radius: var(--radius-pill);
  padding: 4px 11px; font-size: 11px; font-weight: 600; cursor: pointer; flex-shrink: 0;
  transition: border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}
.ta-groove-design:hover { border-color: var(--burgundy-on-dark); background: var(--burgundy-on-dark-soft); }

/* =====================================================================
   SECUENCIADOR DE RITMO (diseñá tu groove)
   ===================================================================== */
.jam-seq-overlay {
  position: fixed; inset: 0; z-index: 320;
  background: rgba(10, 9, 8, 0.55);
  display: flex; align-items: center; justify-content: center;
}
.jam-seq {
  width: min(720px, 94vw);
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer-light);
  border-radius: 14px; box-shadow: var(--shadow-lg); padding: 18px 20px;
  animation: jam-wheel-in 0.16s var(--ease-out);
}
.jam-seq-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.jam-seq-title { font-family: var(--font-display), Georgia, serif; font-size: 18px; font-weight: 700; color: var(--ink-composer-bright); }
.jam-seq-hint { font-size: 11px; color: var(--ink-composer-faint); flex: 1; }
.jam-seq-close { background: none; border: none; color: var(--ink-composer-soft); font-size: 18px; cursor: pointer; }
.jam-seq-close:hover { color: var(--ink-composer-bright); }

.jam-seq-grid { display: flex; flex-direction: column; gap: 6px; }
.jam-seq-row { display: flex; align-items: center; gap: 10px; }
.jam-seq-rowlabel {
  width: 56px; flex-shrink: 0; text-align: right;
  font-family: var(--font-mono), monospace; font-size: 11px; color: var(--ink-composer-soft);
}
.jam-seq-cells { display: grid; grid-template-columns: repeat(16, 1fr); gap: 3px; flex: 1; }
.jam-seq-cell {
  height: 30px; border-radius: 4px; cursor: pointer;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer);
  transition: background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.jam-seq-cell.beat { border-left: 2px solid var(--rule-composer-light); }
.jam-seq-cell:hover { background: var(--bg-composer-4); }
.jam-seq-cell.on { background: var(--burgundy-on-dark); border-color: var(--burgundy-on-dark-hot); }
.jam-seq-cell.on:hover { background: var(--burgundy-on-dark-hot); }

.jam-seq-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.jam-seq-foot-hint { font-size: 11px; color: var(--ink-composer-faint); font-style: italic; }
.jam-seq-apply {
  background: var(--burgundy-on-dark); color: var(--bg-composer); border: none;
  border-radius: var(--radius-pill); padding: 9px 20px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.jam-seq-apply:hover { background: var(--burgundy-on-dark-hot); }
.jam-seq-play {
  background: var(--bg-composer-4); color: var(--ink-composer-bright);
  border: 1px solid var(--rule-composer-light); border-radius: var(--radius-pill);
  padding: 9px 20px; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.jam-seq-play:hover { border-color: var(--burgundy-on-dark); }
.jam-seq-play.playing { background: var(--fn-tonic-dark); color: var(--bg-composer); border-color: var(--fn-tonic-dark); }
.ta-groove-teach {
  font-size: 11px;
  font-style: italic;
  line-height: 1.4;
  color: var(--ink-composer-faint);
  min-height: 1.4em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Indicador de groove en el nav lateral de cada parte */
.jam-sec-nav-groove {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  color: var(--burgundy-on-dark-hot);
  margin-top: 2px;
}

/* Nav de parte: info (clickable) + ▶ para loopear sólo esa parte */
.ta-parts .jam-sec-nav { flex-direction: row; align-items: center; justify-content: space-between; gap: 8px; }
.jam-sec-nav-info { display: flex; flex-direction: column; gap: 2px; cursor: pointer; flex: 1; min-width: 0; }
.jam-sec-play {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-composer-3); border: 1px solid var(--rule-composer);
  color: var(--burgundy-on-dark-hot); font-size: 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; padding: 0;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.jam-sec-play:hover { background: var(--burgundy-on-dark); color: var(--bg-composer); border-color: var(--burgundy-on-dark-hot); transform: scale(1.1); }
.jam-sec-play:active { transform: scale(0.92); }
.jam-sec-nav.playing .jam-sec-play { background: var(--fn-tonic-dark); color: var(--bg-composer); border-color: var(--fn-tonic-dark); }

/* Botonera de la parte: ▶ + ⋯ (teoría del bloque) */
.jam-sec-btns { display: flex; align-items: center; gap: 5px; flex-shrink: 0; }
.jam-sec-ops {
  width: 26px; height: 26px; border-radius: 50%;
  background: transparent; border: 1px solid var(--rule-composer);
  color: var(--ink-composer-faint); font-size: 14px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center; padding: 0 0 6px;
  transition: all var(--duration-fast) var(--ease-out);
}
.jam-sec-ops:hover { border-color: var(--west-sepia); color: var(--west-sepia); transform: scale(1.1); }

/* =====================================================================
   TIMELINE DE DURACIÓN — barras por acorde, se arrastra el borde
   ===================================================================== */
.ta-timeline { flex-shrink: 0; padding: 4px 0 2px; }
.ta-tl-head { display: flex; align-items: baseline; justify-content: flex-end; margin: 2px 0 4px; }
.ta-tl-label {
  font-family: var(--font-mono), monospace;
  font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-composer-faint);
}
.ta-tl-hint { font-size: 10px; color: var(--ink-composer-faint); font-style: italic; }

.ta-tl-track { width: 100%; overflow-x: auto; border-radius: 8px; }
.ta-tl-inner { display: flex; flex-direction: column; width: max-content; min-width: 100%; }

/* Regla de compases: número por compás, con separador fuerte (división notoria) */
.ta-tl-ruler { display: flex; height: 17px; margin-bottom: 2px; }
.ta-tl-tick {
  flex: 0 0 auto; box-sizing: border-box;
  border-left: 2px solid var(--rule-composer-light);
  font-family: var(--font-mono), monospace; font-size: 9px; font-weight: 600;
  color: var(--ink-composer-soft);
  padding-left: 5px; line-height: 17px;
}

.ta-tl-segrow {
  display: flex; gap: 0; height: 64px;
  /* grilla: raya por compás, GRUESA para que la división se vea bien.
     El ancho del compás (background-size) lo fija el JS según la métrica. */
  background-image: linear-gradient(90deg, var(--rule-composer-light) 0 2px, transparent 2px);
  background-repeat: repeat-x;
  background-position: left top;
  padding: 0; box-sizing: border-box;
}

/* Selector de compás (métrica) en el head de la timeline */
.ta-tl-meter { display: flex; align-items: center; gap: 4px; }
.ta-tl-meter-label {
  font-family: var(--font-mono), monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-composer-faint); margin-right: 3px;
}
.ta-tl-meter-btn {
  font-family: var(--font-mono), monospace; font-size: 10px; font-weight: 600;
  background: var(--bg-composer-2); border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft); border-radius: 5px; padding: 3px 7px; cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.ta-tl-meter-btn:hover { border-color: var(--burgundy-on-dark); color: var(--ink-composer-bright); }
.ta-tl-meter-btn.active {
  background: var(--burgundy-on-dark); border-color: var(--burgundy-on-dark-hot); color: var(--bg-composer);
}

.ta-tl-seg {
  position: relative;
  flex: 0 0 auto;
  min-width: 24px;
  border-radius: 4px;
  border-right: 1px solid rgba(10, 9, 8, 0.35);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5px 12px 5px 9px;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  background: var(--bg-composer-4);
  transition: filter var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.ta-tl-seg:hover { filter: brightness(1.06); }
.ta-tl-seg.dragging { filter: brightness(1.12); }
.ta-tl-seg.jam-chip-selected { box-shadow: inset 0 0 0 2px var(--ink-composer-bright); }
.ta-tl-seg.jam-chip-now {
  box-shadow: inset 0 0 0 2px var(--ink-composer-bright), 0 0 14px var(--accent-primary-glow);
  animation: ta-tl-pulse 0.5s var(--ease-out);
}
@keyframes ta-tl-pulse {
  0%   { filter: brightness(1.35); }
  100% { filter: brightness(1.12); }
}
.ta-tl-roman {
  font-family: var(--font-mono), monospace;
  font-size: 8px; text-transform: uppercase; letter-spacing: 0.02em;
  color: rgba(26, 24, 22, 0.66);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 1px;
}
.ta-tl-seg.jam-chip-fn-neutral .ta-tl-roman { color: var(--ink-composer-faint); }
.ta-tl-tools {
  position: absolute; top: 3px; right: 14px;
  display: flex; gap: 3px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.ta-tl-seg:hover .ta-tl-tools { opacity: 1; pointer-events: auto; }
.ta-tl-tool {
  width: 18px; height: 18px; line-height: 1;
  border: none; border-radius: 4px; cursor: pointer;
  background: rgba(26, 24, 22, 0.3); color: var(--bg-composer);
  font-size: 11px;
}
.ta-tl-tool:hover { background: rgba(26, 24, 22, 0.55); }
.ta-tl-seg.jam-chip-fn-tonic       { background: var(--fn-tonic-dark); }
.ta-tl-seg.jam-chip-fn-dominant    { background: var(--fn-dominant-dark); }
.ta-tl-seg.jam-chip-fn-subdominant { background: var(--fn-subdominant-dark); }
.ta-tl-seg.jam-chip-fn-borrowed    { background: var(--burgundy-on-dark); }
.ta-tl-seg.jam-chip-fn-neutral     { background: var(--bg-composer-4); }

.ta-tl-name {
  font-family: var(--font-display), Georgia, serif;
  font-size: 14px; font-weight: 700; line-height: 1;
  color: var(--bg-composer);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ta-tl-seg.jam-chip-fn-neutral .ta-tl-name { color: var(--ink-composer-bright); }
.ta-tl-dur {
  font-family: var(--font-mono), monospace;
  font-size: 9px; margin-top: 2px;
  color: rgba(26, 24, 22, 0.7);
}
.ta-tl-seg.jam-chip-fn-neutral .ta-tl-dur { color: var(--ink-composer-faint); }

.ta-tl-handle {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 12px;
  cursor: ew-resize;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.28));
  border-radius: 0 6px 6px 0;
}
.ta-tl-handle::after {
  content: "";
  position: absolute; right: 3px; top: 50%; transform: translateY(-50%);
  width: 2px; height: 40%;
  background: rgba(255,255,255,0.5);
  border-radius: 1px;
}
.ta-tl-handle:hover { background: linear-gradient(90deg, transparent, rgba(0,0,0,0.45)); }

/* ATRIL · aire: la partitura respira, el escenario (piano) manda. */
.ta-center { overflow: hidden; justify-content: flex-start; gap: 10px; padding: 18px 26px; }
#jam-chords { flex: 0 0 auto; min-height: 0; }

/* Teclado: ahora es el piano grande de improv-piano.js — crece con el espacio */
.ta-center .ta-keyboard {
  position: relative;          /* ancla del narrador flotante */
  flex: 1 1 0;
  height: 0;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0 0;
  overflow: hidden;
  align-items: stretch;
}

/* Narrador: flota arriba-derecha del piano, NO ocupa altura del layout */
#improv-narrator {
  position: absolute;
  top: 6px;
  right: 6px;
  max-width: 240px;
  z-index: 6;
}

.ta-kb-dots {
  flex-shrink: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.ta-piano-grand {
  flex: 1 1 auto;
  min-height: 220px;
  display: flex;
  align-items: stretch;
}

/* Piano grande: ocupa todo el ancho/alto del área */
.ta-keyboard #improv-piano-container {
  flex: 1;
  width: 100%;
  max-width: none !important;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.ta-keyboard .improv-piano {
  flex: 1;
  height: 100% !important;
  min-height: 220px;
  width: 100%;
}
.ta-keyboard .improv-white-row { height: 100%; }

/* Panel derecho: scale name, sub, stats, tabs, tip */
.ta-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ta-scale-name {
  font-family: var(--font-display), Georgia, serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--burgundy-on-dark-hot);
  flex-shrink: 0;
}

.ta-scale-sub {
  font-family: var(--font-mono), monospace;
  font-size: 10px;
  color: var(--ink-composer-soft);
  flex-shrink: 0;
  margin-top: -6px;
}

.ta-stats-row {
  flex-shrink: 0;
}

.ta-scales {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
}

.ta-tip-block {
  flex-shrink: 0;
}