/* ==========================================================================
   Estilos de AudioTranscriberTool (Magic Scratchpad & Transcripción IA)
   Diseño de Estudio Profesional Grado Comercial (Anti-IA)
   ========================================================================== */

.transcriber-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 5, 8, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeInModal var(--duration-normal) var(--ease-spring);
}

.transcriber-modal-card {
  width: 100%;
  max-width: 680px;
  max-height: 94vh;
  overflow-y: auto;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  color: var(--text-primary);
  box-sizing: border-box;
}

/* CABECERA */
.transcriber-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.transcriber-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 6px;
}

.transcriber-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.transcriber-subtitle {
  margin: 4px 0 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-close-transcriber {
  background: var(--border-subtle);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.btn-close-transcriber:hover {
  background: #ff5252;
  color: white;
  border-color: #ff5252;
}

/* WAVE VIEWPORT */
.transcriber-wave-viewport {
  position: relative;
  width: 100%;
  height: 140px;
  background: #090b10;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.6);
  flex-shrink: 0;
}

.transcription-wave-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.transcriber-wave-overlay-info {
  position: absolute;
  bottom: 8px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wave-status-text {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.6);
  padding: 3px 8px;
  border-radius: 4px;
}

/* BARRA DE CAPTURA */
.transcriber-action-bar {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn-transcriber-rec {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--border-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-transcriber-rec:hover {
  background: var(--border-strong);
  border-color: var(--accent-primary);
}

.btn-transcriber-rec.recording {
  background: rgba(255, 23, 68, 0.25);
  border-color: #ff1744;
  color: #ff5252;
  box-shadow: 0 0 16px rgba(255, 23, 68, 0.4);
}

.rec-pulsing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5252;
  display: inline-block;
}

.btn-transcriber-rec.recording .rec-pulsing-dot {
  animation: pulseRec 1s infinite;
}

@keyframes pulseRec {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

.btn-transcriber-upload {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-transcriber-upload:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

/* PROGRESS SPINNER */
.transcriber-progress-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 10px;
  padding: 12px 16px;
}

.transcriber-spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(0, 229, 255, 0.2);
  border-top-color: #00e5ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.transcriber-progress-msg {
  font-size: 0.82rem;
  color: #00e5ff;
  font-weight: 600;
}

/* RESULTS SECTION */
.transcription-results-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeIn 0.2s ease-out;
}

.results-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.results-meta-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.results-meta-badge strong {
  color: #00e676;
  font-size: 0.9rem;
}

.btn-transcribe-preview {
  background: var(--border-subtle);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-transcribe-preview:hover {
  background: var(--accent-primary);
  color: white;
}

/* CHORD TIMELINE */
.chord-timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.chord-timeline-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.chord-timeline-card.playing {
  border-color: #00e676;
  background: rgba(0, 230, 118, 0.15);
  transform: scale(1.04);
}

.chord-card-time {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.chord-card-name {
  font-size: 1.4rem;
  font-weight: 900;
  color: #ffb300;
  letter-spacing: -0.02em;
}

.chord-card-confidence {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.confidence-bar {
  flex: 1;
  height: 4px;
  background: #00e676;
  border-radius: 2px;
}

/* EXPORT BAR */
.transcription-export-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.btn-transcribe-load {
  flex: 2;
  background: var(--accent-primary);
  border: none;
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-transcribe-load:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 87, 34, 0.4);
}

.btn-transcribe-save,
.btn-transcribe-copy {
  flex: 1;
  background: var(--border-subtle);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-transcribe-save:hover,
.btn-transcribe-copy:hover {
  background: var(--border-strong);
}

@media (max-width: 480px) {
  .transcriber-modal-card {
    padding: 14px;
    gap: 10px;
  }
  .chord-timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .transcription-export-bar {
    flex-direction: column;
  }
}