/* ============================================================
   MAESTRULI · Composer Dashboard · DAW style Dark Theme
   ============================================================ */

/* --- 1. Reset Global for Fullscreen --------------------------------- */
.site-header, .site-footer {
  display: none !important;
}

.main-content {
  padding: 0 !important;
  margin: 0 !important;
  max-width: none !important;
  width: 100vw;
  height: 100vh;
  background: var(--bg-composer);
  overflow: hidden;
}

/* --- 2. Shell Layout (4 Rows) --------------------------------------- */
.prog-composer-shell {
  display: grid;
  grid-template-rows: 44px 168px 1fr 88px;
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-composer);
  color: var(--ink-composer);
  font-family: var(--font-sans), system-ui, -apple-system, sans-serif;
  overflow: hidden;
  box-sizing: border-box;
}

.prog-composer-shell * {
  box-sizing: border-box;
}

/* --- 3. Header Bar -------------------------------------------------- */
.prog-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-composer-2);
  border-bottom: 1px solid var(--rule-composer);
  padding: 0 20px;
  font-size: 13px;
  height: 44px;
}

.prog-hb-brand {
  font-family: var(--font-display), Georgia, serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--burgundy-on-dark);
  letter-spacing: -0.01em;
}

.prog-hb-breadcrumb {
  color: var(--ink-composer-soft);
  font-size: 12px;
}
.prog-hb-breadcrumb strong {
  color: var(--ink-composer-bright);
}

.prog-hb-key-picker {
  display: flex;
  gap: 8px;
  background-color: var(--bg-composer-3);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--rule-composer);
}

.prog-hb-key-picker a {
  text-decoration: none;
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  color: var(--ink-composer-soft);
  padding: 3px 8px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.prog-hb-key-picker a:hover {
  color: var(--ink-composer-bright);
}

.prog-hb-key-picker a.active {
  background-color: var(--burgundy-on-dark);
  color: var(--bg-composer);
  font-weight: 600;
}

.prog-hb-meta {
  font-size: 11px;
  color: var(--ink-composer-soft);
}
.prog-hb-meta strong {
  color: var(--burgundy-on-dark-hot);
  margin-left: 5px;
  background-color: var(--burgundy-on-dark-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

.prog-hb-led {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ink-composer-bright);
}

.prog-hb-led::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #9bb068;
  box-shadow: 0 0 8px #9bb068;
}

/* --- 4. Progression Strip ------------------------------------------- */
.prog-progression-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  background-color: var(--bg-composer-3);
  border-bottom: 1px solid var(--rule-composer);
  padding: 16px 20px;
  gap: 16px;
  overflow: hidden;
}

.prog-strip-label {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-composer-faint);
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  text-align: center;
  height: 100%;
}

.prog-chords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  height: 100%;
}

.prog-chord-card {
  background-color: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  height: 136px;
}

.prog-chord-card:hover {
  border-color: var(--rule-composer-light);
  background-color: var(--bg-composer-4);
  transform: translateY(-2px);
}

.prog-chord-card.prog-playing {
  border-color: var(--burgundy-on-dark);
  background-color: var(--burgundy-on-dark-deep);
  box-shadow: inset 0 0 12px var(--burgundy-on-dark-soft);
}

.prog-chord-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 4px;
}

.prog-chord-pos {
  font-family: var(--font-mono), monospace;
  font-size: 10px;
  color: var(--ink-composer-faint);
}

.prog-chord-data {
  text-align: right;
}

.prog-chord-name {
  font-family: var(--font-display), Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-composer-bright);
  line-height: 1.1;
}

.prog-chord-roman {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  color: var(--burgundy-on-dark);
  margin-top: 2px;
}

.prog-chord-fn {
  position: absolute;
  bottom: 58px;
  left: 14px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  border-radius: 4px;
  padding: 1px 5px;
}

.prog-chord-fn[data-fn="tonic"], .prog-chord-fn[data-fn="tónica"] {
  color: var(--fn-tonic-dark);
  background-color: var(--fn-tonic-dark-bg);
}
.prog-chord-fn[data-fn="dominant"], .prog-chord-fn[data-fn="dominante"] {
  color: var(--fn-dominant-dark);
  background-color: var(--fn-dominant-dark-bg);
}
.prog-chord-fn[data-fn="subdominant"], .prog-chord-fn[data-fn="subdominante"] {
  color: var(--fn-subdominant-dark);
  background-color: var(--fn-subdominant-dark-bg);
}

.prog-chord-mini-piano {
  height: 38px;
  background-color: var(--mini-piano-bg);
  border: 1px solid var(--rule-composer);
  border-radius: 4px;
  overflow: hidden;
  margin-top: auto;
}

.prog-chord-mini-piano svg {
  width: 100%;
  height: 100%;
  display: block;
}

.prog-strip-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prog-strip-actions {
  position: relative; /* ancla para el dropdown de hermanas */
}

.prog-action-btn {
  background-color: var(--bg-composer-2);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  font-family: var(--font-sans), sans-serif;
  font-size: 11px;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.prog-action-btn:hover:not(:disabled) {
  background-color: var(--bg-composer-3);
  border-color: var(--burgundy-on-dark);
  color: var(--ink-composer-bright);
  transform: translateY(-1px);
}

.prog-action-btn:active:not(:disabled) {
  transform: translateY(0) scale(0.97);
}

.prog-action-btn.is-open {
  background-color: var(--burgundy-on-dark-soft);
  border-color: var(--burgundy-on-dark);
  color: var(--burgundy-on-dark-hot);
}

.prog-action-btn:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.prog-action-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

/* Dropdown de progresiones hermanas (se abre desde el botón "hermanas") */
.prog-related-panel {
  position: fixed;        /* JS fija top/right contra el botón; ningún overflow lo corta */
  top: 0;
  right: 0;
  width: 250px;
  max-height: 60vh;
  overflow-y: auto;
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer-light);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  z-index: 200;
  display: none;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.prog-related-hint {
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-composer-soft);
  padding: 0 8px 8px;
  border-bottom: 1px solid var(--rule-composer);
  margin-bottom: 4px;
}

.prog-action-caret {
  font-size: 9px;
  opacity: 0.7;
}

.prog-related-panel.is-open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.prog-related-panel-title {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--ink-composer-faint);
  padding: 4px 8px 8px;
}

.prog-related-link {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--ink-composer);
  text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.prog-related-link:hover {
  background-color: var(--burgundy-on-dark-soft);
  color: var(--burgundy-on-dark-hot);
}

.prog-related-link strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}

.prog-related-link span {
  font-size: 10px;
  color: var(--ink-composer-faint);
  font-style: italic;
}

.prog-related-empty {
  padding: 8px 10px;
  font-size: 11px;
  color: var(--ink-composer-faint);
  font-style: italic;
}

/* Panel destacado momentáneamente (al apretar "sust.") */
.prog-flash-highlight {
  animation: prog-flash 1.4s var(--ease-out);
}
@keyframes prog-flash {
  0%, 100% { box-shadow: none; }
  20%      { box-shadow: 0 0 0 2px var(--burgundy-on-dark), 0 0 18px var(--accent-primary-glow); }
}

/* Leyenda de colores del piano grande */
.prog-piano-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  padding: 10px 8px 0;
}

.prog-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans), sans-serif;
  font-size: 10px;
  color: var(--ink-composer-soft);
}

.prog-legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.3);
}

.prog-legend-swatch.is-root  { background-color: var(--fn-tonic-dark); }
.prog-legend-swatch.is-safe  { background-color: var(--fn-subdominant-dark); }
.prog-legend-swatch.is-scale { background-color: var(--fn-dominant-dark); }
.prog-legend-swatch.is-out   { background-color: var(--mini-white); }

/* --- 5. Center Zone (3 Columns) ------------------------------------- */
.prog-center-zone {
  display: grid;
  grid-template-columns: 220px 1fr 240px;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-composer);
}

.prog-zone-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.prog-zone-head-num {
  font-family: var(--font-mono), monospace;
  font-size: 10px;
  color: var(--bg-composer-2);
  background-color: var(--burgundy-on-dark);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.prog-zone-head-title {
  font-family: var(--font-mono), monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-composer-soft);
}

/* --- 5.1 Left Column: Scales ---------------------------------------- */
.prog-scales-zone {
  border-right: 1px solid var(--rule-composer);
  background-color: var(--bg-composer-2);
  padding: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.improv-levels-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  background-color: var(--bg-composer-3);
  padding: 2px;
  border-radius: 6px;
  border: 1px solid var(--rule-composer);
  margin-bottom: 12px;
  flex-shrink: 0;
}

.improv-level-pill {
  background: none;
  border: none;
  color: var(--ink-composer-soft);
  font-family: var(--font-sans), sans-serif;
  font-size: 10px;
  font-weight: 500;
  padding: 6px 0;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.improv-level-pill small {
  display: block;
  font-size: 8px;
  opacity: 0.6;
  margin-top: 1px;
}

.improv-level-pill:hover:not(:disabled) {
  color: var(--ink-composer-bright);
  background-color: rgba(255, 255, 255, 0.03);
}

.improv-level-pill.active {
  background-color: var(--bg-composer-4);
  color: var(--burgundy-on-dark);
  font-weight: 600;
}

.improv-level-pill:disabled, .improv-level-pill.is-empty {
  opacity: 0.25;
  cursor: not-allowed;
}

.improv-levels-content {
  flex-grow: 1;
  overflow-y: auto;
}

.improv-level-panel {
  display: none;
  height: 100%;
}

.improv-level-panel.active {
  display: block;
}

.improv-scales-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.improv-scale-item {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 6px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.improv-scale-item:hover {
  background-color: var(--bg-composer-4);
  border-color: var(--rule-composer-light);
}

.improv-scale-item.selected, .improv-scale-item.active-scale {
  border-color: var(--burgundy-on-dark);
  background-color: var(--burgundy-on-dark-deep);
}

.prog-scale-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--ink-composer-mute);
  transition: all 0.2s ease;
}

.improv-scale-item.selected .prog-scale-dot,
.improv-scale-item.active-scale .prog-scale-dot {
  background-color: var(--burgundy-on-dark);
  box-shadow: 0 0 6px var(--burgundy-on-dark-hot);
}

.improv-scale-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-composer);
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.improv-scale-item.selected .improv-scale-name,
.improv-scale-item.active-scale .improv-scale-name {
  color: var(--ink-composer-bright);
}

.prog-scale-fit {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  background-color: var(--bg-composer-2);
  padding: 2px 5px;
  border-radius: 4px;
}

.improv-scale-item.improv-fit-recommended .prog-scale-fit {
  color: var(--fn-tonic-dark);
  background-color: var(--fn-tonic-dark-bg);
}

/* --- 5.2 Center Column: Grand Piano --------------------------------- */
.prog-piano-zone {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  overflow: hidden;
  background-color: var(--bg-composer);
  position: relative;
}

.prog-piano-zone-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.prog-scale-active-name {
  font-family: var(--font-display), Georgia, serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--burgundy-on-dark-hot);
  letter-spacing: -0.01em;
}

.prog-scale-active-meta {
  font-size: 13px;
  color: var(--ink-composer-soft);
  margin-top: 4px;
}

#improv-narrator {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-left: 3px solid var(--burgundy-on-dark);
  border-radius: 6px;
  padding: 8px 12px;
  max-width: 280px;
  opacity: 0;
  transform: translateY(-5px);
  transition: all 0.25s ease;
}

#improv-narrator.narrator-visible {
  opacity: 1;
  transform: translateY(0);
}

.narrator-head {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--burgundy-on-dark-hot);
  margin-bottom: 2px;
}

.narrator-msg {
  font-size: 12px;
  color: var(--ink-composer-bright);
  font-weight: 500;
}

.prog-scale-dots {
  display: flex;
  gap: 8px;
  margin: 16px 0;
  flex-wrap: wrap;
  align-items: center;
}

.rs-dot {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 6px;
  padding: 4px 8px;
  min-width: 44px;
  text-align: center;
}

.rs-dot-note {
  font-family: var(--font-sans), sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-composer-bright);
}

.rs-dot-int {
  font-family: var(--font-mono), monospace;
  font-size: 8px;
  text-transform: uppercase;
  color: var(--ink-composer-soft);
  margin-top: 1px;
  letter-spacing: 0.02em;
}

/* Colorización por rol (root, safe, scale) */
.rs-dot-root {
  border-color: var(--fn-tonic-dark);
  background-color: var(--fn-tonic-dark-bg);
}

.rs-dot-safe {
  border-color: var(--fn-subdominant-dark);
  background-color: var(--fn-subdominant-dark-bg);
}

.rs-dot-scale {
  border-color: var(--rule-composer-light);
}

.prog-piano-grand {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

#improv-piano-container {
  width: 100%;
  max-width: 900px;
  display: flex;
  justify-content: center;
  user-select: none;
}

/* Piano Key Styling overrides */
.improv-piano {
  position: relative;
  display: flex;
  width: 100%;
  height: 180px;
}

.improv-white-row {
  display: flex;
  width: 100%;
  height: 100%;
}

.improv-key {
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: background-color 0.15s ease, transform 0.05s ease, box-shadow 0.05s ease;
}

.improv-key:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.improv-key-white {
  flex-grow: 1;
  background-color: var(--mini-white);
  border: 1px solid #1c1a19;
  border-top: none;
  border-radius: 0 0 5px 5px;
  z-index: 1;
}

.improv-black-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60%;
  pointer-events: none;
  display: block;
}

.improv-key-black {
  position: absolute;
  width: 3.6%;
  height: 100%;
  background-color: var(--mini-black);
  border: 1px solid #000;
  border-top: none;
  border-radius: 0 0 3px 3px;
  z-index: 5;
  pointer-events: auto;
}

.improv-key-label {
  font-family: var(--font-mono), monospace;
  font-size: 10px;
  font-weight: 600;
  color: var(--bg-composer-2);
  pointer-events: none;
}

.improv-key-black .improv-key-label {
  color: var(--ink-composer-soft);
  font-size: 8px;
  padding-bottom: 2px;
}

/* ===================================================================
   Coloreo por rol — piano NORMAL, teclas COMPLETAS.
   - Blancas blancas, negras negras, todas opacas. Cero transparencia.
   - Las notas de la escala se pintan ENTERAS con su color de leyenda.
   - El resto son teclas normales (sin tocar). Nada "media pintado".
   =================================================================== */

/* En escala: tecla pintada completa según su rol */
.improv-key.improv-key-root,
.improv-key-black.improv-key-root {
  background-color: var(--fn-tonic-dark) !important;
}
.improv-key.improv-key-safe,
.improv-key-black.improv-key-safe {
  background-color: var(--fn-subdominant-dark) !important;
}
.improv-key.improv-key-scale,
.improv-key-black.improv-key-scale {
  background-color: var(--fn-dominant-dark) !important;
}

/* Etiqueta de nota legible sobre el color */
.improv-key-root  .improv-key-label,
.improv-key-safe  .improv-key-label,
.improv-key-scale .improv-key-label {
  color: var(--bg-composer) !important;
  font-weight: 700;
  text-shadow: none;
}

/* Nota objetivo del auto-improvisar (estado transitorio) */
.improv-key.improv-key-target,
.improv-key-black.improv-key-target {
  background-color: var(--burgundy-on-dark) !important;
}
.improv-key.improv-key-target .improv-key-label {
  color: var(--bg-composer) !important;
}

/* Fuera de escala: tecla NORMAL y COMPLETA — blanca o negra, opaca.
   Sin override de color ni de opacidad: usa el blanco/negro base. */
.improv-key.improv-key-out {
  opacity: 1 !important;
}
.improv-key.improv-key-out.improv-key-white { background-color: var(--mini-white) !important; }
.improv-key.improv-key-out.improv-key-black { background-color: var(--mini-black) !important; }

.improv-key.ghost-flash,
.improv-key-black.ghost-flash {
  background-color: var(--burgundy-on-dark-hot) !important;
  box-shadow: 0 0 15px var(--burgundy-on-dark-hot) !important;
}

.prog-ghost-btn {
  align-self: center;
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-soft);
  font-family: var(--font-sans), sans-serif;
  font-size: 11px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: 16px;
}

.prog-ghost-btn:hover {
  background-color: var(--bg-composer-4);
  color: var(--ink-composer-bright);
  border-color: var(--rule-composer-light);
}

.prog-ghost-btn.ghost-active {
  background-color: var(--burgundy-on-dark);
  color: var(--bg-composer);
  border-color: var(--burgundy-on-dark-hot);
  font-weight: 600;
}

/* --- 5.3 Right Column: Info & Tip & Substitutions ------------------- */
.prog-info-zone {
  border-left: 1px solid var(--rule-composer);
  background-color: var(--bg-composer-2);
  padding: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.prog-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.prog-stat-cell {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 6px;
  padding: 10px 4px;
  text-align: center;
}

.prog-stat-num {
  font-family: var(--font-display), Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
}

.prog-stat-num.consonant { color: var(--fn-tonic-dark); }
.prog-stat-num.passing { color: var(--fn-subdominant-dark); }
.prog-stat-num.avoid { color: var(--fn-dominant-dark); }

.prog-stat-lbl {
  font-family: var(--font-mono), monospace;
  font-size: 8px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-top: 4px;
}

.prog-tip-zone {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.prog-tip-block {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 6px;
  padding: 12px 14px;
}

.prog-tip-eyebrow {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.prog-tip-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-composer-soft);
  margin: 0;
}

/* Bloques "cuándo usarla" / "ojo con" — refuerzan el tip como un profe */
.prog-tip-extra {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--rule-composer);
}

.prog-tip-mini-label {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.prog-tip-mini-label.prog-tip-use   { color: var(--fn-tonic-dark); }
.prog-tip-mini-label.prog-tip-avoid { color: var(--fn-dominant-dark); }

.prog-tip-mini-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-composer-soft);
  margin: 0;
}

.prog-subs-block {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  border-radius: 6px;
  padding: 12px 14px;
}

.prog-subs-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-bottom: 8px;
}

.prog-subs-label strong {
  color: var(--burgundy-on-dark-hot);
  background-color: var(--burgundy-on-dark-soft);
  padding: 1px 4px;
  border-radius: 3px;
}

.prog-sub-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule-composer);
}

.prog-sub-item:last-child {
  border-bottom: none;
}

.prog-sub-row {
  display: flex;
  align-items: center;
  font-size: 11px;
  flex-wrap: wrap;
  gap: 2px 0;
}

.prog-sub-from {
  color: var(--ink-composer-soft);
  font-weight: 500;
  width: 45px;
}

.prog-sub-arrow {
  color: var(--ink-composer-faint);
  margin: 0 8px;
}

.prog-sub-to {
  color: var(--burgundy-on-dark-hot);
  font-weight: 600;
  flex-grow: 1;
}

.prog-sub-tag {
  font-family: var(--font-sans), sans-serif;
  font-size: 9px;
  color: var(--fn-dominant-dark);
  background-color: var(--fn-dominant-dark-bg);
  padding: 1px 6px;
  border-radius: 999px;
}

.prog-sub-explain {
  margin: 4px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink-composer-soft);
}

/* --- 6. Footer Bar -------------------------------------------------- */
.prog-footer-bar {
  display: grid;
  grid-template-columns: 1fr 480px;
  background-color: var(--bg-composer-2);
  border-top: 1px solid var(--rule-composer);
  padding: 12px 24px;
  align-items: center;
  gap: 24px;
  height: 88px;
}

.prog-producer-block {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  overflow: hidden;
}

.prog-producer-icon {
  background-color: var(--burgundy-on-dark-soft);
  border: 1px solid var(--burgundy-on-dark);
  color: var(--burgundy-on-dark-hot);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display), serif;
  font-weight: bold;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.prog-producer-content {
  overflow: hidden;
}

.prog-producer-eyebrow {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-bottom: 2px;
}

.prog-producer-text {
  font-family: var(--font-sans), sans-serif;
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-composer-soft);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.prog-transport-block {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.prog-play-button {
  /* min-width:0 corta la fuga de style.css (.prog-play-button{min-width:180px})
     que deformaba este círculo en un óvalo. */
  min-width: 0;
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  padding: 0;
  background:
    radial-gradient(circle at 50% 35%,
      var(--burgundy-on-dark-hot) 0%,
      var(--burgundy-on-dark) 70%);
  color: var(--bg-composer);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-bounce),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35),
              0 0 0 1px rgba(232, 158, 158, 0.25) inset,
              0 0 16px var(--accent-primary-glow);
}

.prog-play-button:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4),
              0 0 0 1px rgba(232, 158, 158, 0.4) inset,
              0 0 26px var(--accent-primary-glow);
}

.prog-play-button:active {
  transform: scale(0.94);
  transition-duration: var(--duration-instant);
}

.prog-play-button:focus-visible {
  outline: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35),
              0 0 0 3px var(--accent-primary-glow);
}

.prog-play-button.playing {
  background: radial-gradient(circle at 50% 35%, #b6c87f 0%, #9bb068 70%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35),
              0 0 0 1px rgba(182, 200, 127, 0.4) inset,
              0 0 22px rgba(155, 176, 104, 0.55);
}

.prog-play-icon {
  font-size: 18px;
  line-height: 1;
  margin-left: 3px; /* centra ópticamente el triángulo ▶ */
}

.prog-now-playing {
  text-align: left;
}

.prog-now-lbl {
  font-family: var(--font-mono), monospace;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-bottom: 2px;
}

.prog-now-val {
  font-size: 12px;
  color: var(--ink-composer-bright);
}
.prog-now-val strong {
  color: var(--burgundy-on-dark);
}

.prog-knob {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.prog-knob-val {
  font-family: var(--font-mono), monospace;
  font-size: 12px;
  font-weight: bold;
  color: var(--burgundy-on-dark-hot);
}

.prog-knob input[type="range"] {
  width: 90px;
  height: 4px;
  accent-color: var(--burgundy-on-dark);
  background-color: var(--bg-composer-3);
  border-radius: 2px;
  cursor: pointer;
}

.prog-knob-lbl {
  font-family: var(--font-mono), monospace;
  font-size: 8px;
  text-transform: uppercase;
  color: var(--ink-composer-faint);
  margin-top: 1px;
}

.prog-pattern-select {
  background-color: var(--bg-composer-3);
  border: 1px solid var(--rule-composer);
  color: var(--ink-composer-bright);
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.15s ease;
}

.prog-pattern-select:hover {
  border-color: var(--rule-composer-light);
  background-color: var(--bg-composer-4);
}

/* Flash of tonality changes */
.prod-comment-flash {
  position: fixed;
  bottom: 104px;
  right: 24px;
  background-color: var(--bg-composer-3);
  border: 1px solid var(--burgundy-on-dark);
  border-radius: 8px;
  padding: 12px 18px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transform: translateY(150%);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1);
  z-index: 1000;
  max-width: 320px;
}

.prod-comment-flash[data-visible="true"] {
  transform: translateY(0);
}

.prod-comment-flash p {
  font-size: 12px;
  color: var(--ink-composer-bright);
  line-height: 1.4;
  margin: 0;
}

/* --- 7. Responsive Styles ------------------------------------------- */
@media (max-width: 1024px) {
  .prog-composer-shell {
    grid-template-rows: auto auto 1fr auto;
    height: auto;
    overflow-y: auto;
  }
  
  .main-content {
    height: auto;
    overflow: auto;
  }

  .prog-center-zone {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .prog-scales-zone {
    border-right: none;
    border-bottom: 1px solid var(--rule-composer);
    height: 350px;
  }

  .prog-piano-zone {
    border-bottom: 1px solid var(--rule-composer);
    padding: 24px 16px;
  }

  .prog-info-zone {
    border-left: none;
  }

  .prog-footer-bar {
    grid-template-columns: 1fr;
    height: auto;
    gap: 16px;
    padding: 16px;
  }

  .prog-transport-block {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .prog-header-bar {
    flex-direction: column;
    height: auto;
    padding: 12px;
    gap: 8px;
    align-items: stretch;
    text-align: center;
  }

  .prog-hb-key-picker {
    justify-content: center;
  }

  .prog-progression-strip {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .prog-chords-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prog-chord-card {
    height: 120px;
  }

  .prog-strip-label {
    writing-mode: horizontal-tb;
    transform: none;
    height: auto;
    margin-bottom: 4px;
  }

  .prog-strip-actions {
    flex-direction: row;
    justify-content: center;
  }

  .prog-transport-block {
    flex-wrap: wrap;
    gap: 12px;
  }
}