/**
 * EOM Partituras Interactivas - Estilos del Reproductor
 * Escuela Online de Música
 */

:root {
  --eom-primary: #0284c7;
  --eom-primary-hover: #0369a1;
  --eom-primary-light: #e0f2fe;
  --eom-accent: #f59e0b;
  --eom-accent-hover: #d97706;
  --eom-accent-light: #fef3c7;
  --eom-success: #10b981;
  --eom-dark: #0f172a;
  --eom-gray-900: #1e293b;
  --eom-gray-700: #334155;
  --eom-gray-500: #64748b;
  --eom-gray-300: #cbd5e1;
  --eom-gray-100: #f1f5f9;
  --eom-gray-50: #f8fafc;
  --eom-white: #ffffff;
  --eom-radius-sm: 6px;
  --eom-radius-md: 10px;
  --eom-radius-lg: 14px;
  --eom-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --eom-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --eom-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --eom-font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Contenedor principal de la partitura */
.eom-score-card {
  font-family: var(--eom-font);
  background: var(--eom-white);
  border: 1px solid var(--eom-gray-300);
  border-radius: var(--eom-radius-lg);
  box-shadow: var(--eom-shadow-md);
  margin: 1.5rem 0;
  overflow: hidden;
  position: relative;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  color: var(--eom-gray-900);
}

.eom-score-card:hover {
  box-shadow: var(--eom-shadow-lg);
  border-color: #94a3b8;
}

/* Cabecera */
.eom-score-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, var(--eom-gray-50) 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--eom-gray-300);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.eom-score-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.eom-score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.55rem;
  background: var(--eom-primary-light);
  color: var(--eom-primary);
  border-radius: 9999px;
}

.eom-score-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--eom-gray-900);
  margin: 0;
}

.eom-score-subtitle {
  font-size: 0.825rem;
  color: var(--eom-gray-500);
  margin: 0;
}

.eom-score-header-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.eom-btn-icon-sm {
  background: transparent;
  border: 1px solid transparent;
  color: var(--eom-gray-500);
  border-radius: var(--eom-radius-sm);
  padding: 0.35rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: all 0.15s ease;
}

.eom-btn-icon-sm:hover {
  background: var(--eom-white);
  border-color: var(--eom-gray-300);
  color: var(--eom-primary);
}

.eom-btn-icon-sm.active {
  background: var(--eom-primary-light);
  color: var(--eom-primary);
  border-color: var(--eom-primary);
}

/* Área de Partitura (SVG) */
.eom-score-viewport {
  position: relative;
  padding: 1.25rem 1rem 0.75rem;
  background: var(--eom-white);
  overflow-x: auto;
  overflow-y: hidden;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eom-score-svg-container {
  width: 100%;
  max-width: 100%;
  position: relative;
}

.eom-score-svg-container svg {
  display: block;
  margin: 0 auto;
  overflow: visible;
}

/* Línea de cursor de reproducción */
.eom-cursor-line {
  position: absolute;
  top: 0;
  width: 2.5px;
  background: var(--eom-accent);
  border-radius: 2px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, left 0.08s linear;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.7);
  z-index: 10;
}

.eom-cursor-line.active {
  opacity: 1;
}

/* Resaltado interactivo de notas */
.eom-score-svg-container .highlight,
.eom-score-svg-container .abcjs-note.highlight,
.eom-score-svg-container .abcjs-beam-elem.highlight {
  fill: var(--eom-accent) !important;
  stroke: var(--eom-accent) !important;
  filter: drop-shadow(0 0 3px rgba(245, 158, 11, 0.8));
  transition: fill 0.1s ease, stroke 0.1s ease;
}

/* Resaltado de notas interactivas al pasar el ratón */
.eom-score-svg-container .abcjs-note {
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.eom-score-svg-container .abcjs-note:hover {
  filter: drop-shadow(0 0 4px var(--eom-primary));
}

.eom-score-svg-container .abcjs-note:hover text,
.eom-score-svg-container .abcjs-note:hover path {
  fill: var(--eom-primary) !important;
}

/* Tooltip al hacer clic en una nota */
.eom-note-tooltip {
  position: absolute;
  background: var(--eom-dark);
  color: var(--eom-white);
  padding: 0.3rem 0.6rem;
  border-radius: var(--eom-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  pointer-events: none;
  transform: translate(-50%, -120%);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
  white-space: nowrap;
  box-shadow: var(--eom-shadow-md);
}

.eom-note-tooltip.visible {
  opacity: 1;
  transform: translate(-50%, -135%);
}

.eom-note-tooltip::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 4px 4px 0;
  border-style: solid;
  border-color: var(--eom-dark) transparent transparent transparent;
}

/* Barra de controles del reproductor */
.eom-score-toolbar {
  background: var(--eom-gray-50);
  border-top: 1px solid var(--eom-gray-300);
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Fila principal de controles: Play, tiempo, tempo, instrumento */
.eom-toolbar-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.eom-playback-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Botón Reproducir / Pausar */
.eom-btn-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--eom-primary);
  color: var(--eom-white);
  border: none;
  border-radius: var(--eom-radius-md);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 4px rgba(2, 132, 199, 0.25);
  min-width: 105px;
}

.eom-btn-play:hover {
  background: var(--eom-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(2, 132, 199, 0.35);
}

.eom-btn-play:active {
  transform: translateY(0);
}

.eom-btn-play svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.eom-btn-control {
  background: var(--eom-white);
  border: 1px solid var(--eom-gray-300);
  color: var(--eom-gray-700);
  border-radius: var(--eom-radius-md);
  padding: 0.45rem 0.65rem;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: all 0.15s ease;
}

.eom-btn-control:hover {
  border-color: var(--eom-primary);
  color: var(--eom-primary);
  background: var(--eom-primary-light);
}

.eom-btn-control.active {
  background: var(--eom-primary);
  color: var(--eom-white);
  border-color: var(--eom-primary);
}

.eom-time-display {
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--eom-gray-500);
  font-weight: 600;
  margin-left: 0.25rem;
}

/* Selector de instrumento */
.eom-instrument-picker {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--eom-white);
  border: 1px solid var(--eom-gray-300);
  border-radius: var(--eom-radius-md);
  padding: 0.25rem 0.6rem;
}

.eom-instrument-picker label {
  font-size: 0.8rem;
  color: var(--eom-gray-500);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
}

.eom-instrument-select {
  border: none;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--eom-gray-900);
  cursor: pointer;
  outline: none;
  padding: 0.25rem 0.15rem;
}

/* Control de Tempo */
.eom-tempo-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--eom-white);
  border: 1px solid var(--eom-gray-300);
  border-radius: var(--eom-radius-md);
  padding: 0.35rem 0.75rem;
}

.eom-tempo-label {
  font-size: 0.8rem;
  color: var(--eom-gray-500);
  font-weight: 500;
  white-space: nowrap;
}

.eom-tempo-bpm {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--eom-gray-900);
  font-variant-numeric: tabular-nums;
  min-width: 58px;
}

.eom-tempo-slider {
  width: 90px;
  cursor: pointer;
  accent-color: var(--eom-primary);
}

.eom-tempo-chips {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.eom-chip-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--eom-radius-sm);
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  cursor: pointer;
  color: var(--eom-gray-500);
  transition: all 0.12s ease;
}

.eom-chip-btn:hover {
  background: var(--eom-gray-100);
  color: var(--eom-gray-900);
}

.eom-chip-btn.active {
  background: var(--eom-primary-light);
  color: var(--eom-primary);
  border-color: var(--eom-primary);
}

/* Fila secundaria: Herramientas educativas (Transposición, Nombres de notas, Metrónomo, Bucle) */
.eom-toolbar-secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--eom-gray-300);
  padding-top: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.eom-features-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* Transposición */
.eom-transpose-control {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--eom-white);
  border: 1px solid var(--eom-gray-300);
  border-radius: var(--eom-radius-sm);
  padding: 0.2rem 0.4rem;
}

.eom-transpose-label {
  font-size: 0.75rem;
  color: var(--eom-gray-500);
  font-weight: 500;
  margin-right: 0.2rem;
}

.eom-transpose-btn {
  background: var(--eom-gray-100);
  border: 1px solid var(--eom-gray-300);
  border-radius: 4px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  color: var(--eom-gray-700);
  transition: all 0.12s ease;
}

.eom-transpose-btn:hover {
  background: var(--eom-primary-light);
  color: var(--eom-primary);
  border-color: var(--eom-primary);
}

.eom-transpose-val {
  font-size: 0.8rem;
  font-weight: 700;
  min-width: 32px;
  text-align: center;
  color: var(--eom-gray-900);
}

.eom-transpose-reset {
  font-size: 0.675rem;
  color: var(--eom-gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  padding: 0 0.2rem;
}

.eom-transpose-reset:hover {
  color: var(--eom-primary);
}

/* Barra de progreso de audio */
.eom-progress-bar-container {
  width: 100%;
  height: 4px;
  background: var(--eom-gray-300);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: height 0.15s ease;
}

.eom-progress-bar-container:hover {
  height: 6px;
}

.eom-progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--eom-primary), var(--eom-accent));
  transition: width 0.08s linear;
}

/* Spinner / Estado cargando */
.eom-score-loading {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  z-index: 30;
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.eom-score-loading.visible {
  opacity: 1;
  pointer-events: auto;
}

.eom-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--eom-primary-light);
  border-top-color: var(--eom-primary);
  border-radius: 50%;
  animation: eom-spin 0.8s linear infinite;
}

@keyframes eom-spin {
  to { transform: rotate(360deg); }
}

.eom-score-loading span {
  font-size: 0.8rem;
  color: var(--eom-gray-700);
  font-weight: 500;
}

/* Nombres de notas bajo el pentagrama */
.eom-note-label-svg text {
  font-family: var(--eom-font);
  font-size: 11px;
  font-weight: 700;
  fill: var(--eom-primary);
  text-anchor: middle;
}

/* Responsive */
@media (max-width: 680px) {
  .eom-toolbar-main {
    flex-direction: column;
    align-items: stretch;
  }
  .eom-playback-controls {
    justify-content: space-between;
  }
  .eom-tempo-control,
  .eom-instrument-picker {
    justify-content: space-between;
    width: 100%;
  }
  .eom-tempo-slider {
    flex-grow: 1;
  }
  .eom-toolbar-secondary {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }
  .eom-features-group {
    justify-content: space-between;
  }
}