/* ==========================================================================
   Premium Tools List & Modals - High-End Aesthetic (Charcoal / Ivory)
   ========================================================================== */
.tools-view-wrapper {
  max-width: 1800px;
  margin: 0 auto;
  padding: 16px 20px 140px 20px;
  width: 96%;
}

.view-header {
  margin-bottom: 24px;
  padding-top: 8px;
}

.view-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.view-header-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 6px;
}

.view-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Categorías Organizadas */
.tools-category-group {
  margin-bottom: 24px;
}

.tools-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.category-icon {
  font-size: 1.5rem;
}

.tools-category-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 2px 0;
}

.tools-category-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Premium List Layout - Responsive Desktop Grid
   -------------------------------------------------------------------------- */
.tools-premium-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 14px;
  width: 100%;
}

@media (min-width: 768px) {
  .tools-premium-list {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)) !important;
    gap: 16px !important;
  }
}

.premium-list-item.flagship-tool {
  border-color: rgba(255, 87, 34, 0.4) !important;
  background: linear-gradient(135deg, rgba(255, 87, 34, 0.06), var(--bg-surface-solid)) !important;
}

.premium-badge-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.tool-badge-pro {
  font-size: 0.62rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--accent-primary);
  color: white;
  padding: 1px 6px;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

.tool-badge-dsp {
  font-size: 0.62rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-secondary);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 1px 6px;
  border-radius: 6px;
}

.premium-list-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px 20px;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  min-height: auto !important;
}

body.theme-charcoal .premium-list-item {
  background: #14161f;
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.theme-ivory .premium-list-item {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02);
}

.premium-list-item:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(255, 87, 34, 0.15);
}

body.theme-charcoal .premium-list-item:hover {
  background: #1c1f2b;
}

body.theme-ivory .premium-list-item:hover {
  background: #ffffff;
  border-color: #ff5722;
  box-shadow: 0 8px 24px rgba(255, 87, 34, 0.14);
}

.premium-icon {
  flex-shrink: 0 !important;
  width: 52px !important;
  height: 52px !important;
  min-width: 52px !important;
  max-width: 52px !important;
  border-radius: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.5rem !important;
  margin-right: 16px !important;
  margin-top: 0 !important;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.premium-content {
  flex: 1 1 auto !important;
  min-width: 0 !important;
}

.premium-content h3 {
  margin: 0 0 3px 0 !important;
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  letter-spacing: -0.01em;
}

.premium-content p {
  margin: 0 0 8px 0 !important;
  font-size: 0.82rem !important;
  color: var(--text-secondary) !important;
  line-height: 1.3;
}

.premium-arrow {
  font-size: 1.3rem !important;
  color: var(--text-muted) !important;
  margin-left: 12px !important;
  margin-top: 4px !important;
  flex-shrink: 0 !important;
  transition: transform 0.2s ease, color 0.2s ease;
}

.premium-list-item:hover .premium-arrow {
  transform: translateX(3px);
  color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   Mini-Previsualizaciones en la Lista
   -------------------------------------------------------------------------- */
.tool-mini-preview {
  margin-top: 8px;
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

body.theme-ivory .tool-mini-preview {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.06);
}

/* Metrónomo mini */
.metronome-mini {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-bpm-display {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent-primary);
  font-family: var(--font-mono, monospace);
  min-width: 75px;
}

.mini-dots-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.mini-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.mini-dot.accent {
  background: var(--accent-primary);
  box-shadow: 0 0 6px var(--accent-primary);
}

/* Afinador mini */
.tuner-mini {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-note-display {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
}

.mini-freq-display {
  font-size: 0.8rem;
  font-weight: 600;
  color: #00e676;
  background: rgba(0, 230, 118, 0.1);
  padding: 2px 8px;
  border-radius: 8px;
}

/* Diccionario mini */
.dict-mini {
  display: flex;
  justify-content: center;
}

.mini-chord-svg-wrapper svg {
  width: 70px;
  height: 80px;
}

/* Ear Trainer mini */
.ear-mini {
  display: flex;
  align-items: center;
}

.mini-ear-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.mini-ear-btn {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.mini-ear-btn.active {
  background: rgba(156, 39, 176, 0.3);
  color: #ce93d8;
}

/* Capo mini */
.capo-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.mini-capo-shape {
  font-weight: 700;
  color: var(--text-primary);
}

.mini-capo-arrow {
  color: var(--text-muted);
}

.mini-capo-result {
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 0.8rem;
}

/* Círculo mini */
.circle-mini {
  display: flex;
  align-items: center;
}

.mini-circle-keys {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.mini-circle-key {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.mini-circle-key.active {
  background: rgba(255, 193, 7, 0.25);
  color: #ffd600;
}

/* --------------------------------------------------------------------------
   Full Screen Tool Modals
   -------------------------------------------------------------------------- */
.tool-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-app);
  z-index: 10000;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  padding-bottom: 40px;
}

.tool-modal-overlay.active {
  display: flex;
}

.tool-modal-header {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 20;
}

.tool-modal-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--accent-primary);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  margin-right: 14px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.btn-close-modal:hover {
  background: rgba(255, 87, 34, 0.1);
}

.tool-modal-body {
  padding: 16px 24px;
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* Panoramic 2-Column Responsive Layout for Tool Modals */
.tool-panoramic-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

@media (min-width: 800px) {
  .tool-panoramic-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
  }
}

.tool-col-left, .tool-col-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Ear Feedback Card */
.ear-feedback-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  margin-top: 10px;
  animation: feedbackPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ear-feedback-card.success {
  background: rgba(0, 230, 118, 0.12);
  border: 1px solid rgba(0, 230, 118, 0.4);
  color: #00c853;
}

.ear-feedback-card.error {
  background: rgba(255, 82, 82, 0.12);
  border: 1px solid rgba(255, 82, 82, 0.4);
  color: #ff5252;
}

.ear-feedback-card .feedback-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.ear-feedback-card .feedback-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
}

.ear-feedback-card .feedback-text p {
  margin: 2px 0 0 0;
  font-size: 0.82rem;
  opacity: 0.9;
}

@keyframes feedbackPop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Ear Audio Status indicator */
.ear-audio-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 700;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.ear-audio-status.playing {
  background: rgba(33, 150, 243, 0.12);
  border: 1px solid rgba(33, 150, 243, 0.3);
  color: #2196f3;
}

.ear-audio-status.ready {
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.2);
  color: var(--text-primary);
}

.ear-wave-bar {
  display: inline-block;
  width: 4px;
  height: 14px;
  background: currentColor;
  border-radius: 2px;
  animation: waveBar 0.8s ease-in-out infinite alternate;
}

.ear-wave-bar:nth-child(2) { animation-delay: 0.2s; }
.ear-wave-bar:nth-child(3) { animation-delay: 0.4s; }

@keyframes waveBar {
  0% { height: 6px; }
  100% { height: 18px; }
}

/* --------------------------------------------------------------------------
   Metronome Inside Modal
   -------------------------------------------------------------------------- */
.metronome-display-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.metronome-bpm-readout {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
  transition: transform 0.08s ease;
}

/* Flash visual en el acento */
.metronome-bpm-readout.flash-accent .bpm-large-number {
  color: var(--accent-primary);
  text-shadow: 0 0 24px var(--accent-primary), 0 0 48px rgba(255,87,34,0.4);
  transform: scale(1.05);
}

.bpm-large-number {
  font-size: 4.5rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
  transition: transform 0.08s ease, color 0.08s ease, text-shadow 0.08s ease;
}

.bpm-unit-label {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.metronome-dots-row {
  display: flex;
  gap: 12px;
}

.metronome-beat-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: transform 0.1s ease, background 0.1s ease, box-shadow 0.1s ease;
}

.metronome-beat-dot.active {
  background: var(--accent-secondary, #00e5ff);
  transform: scale(1.35);
  box-shadow: 0 0 12px var(--accent-secondary, #00e5ff);
}

.metronome-beat-dot.active.accent {
  background: var(--accent-primary);
  box-shadow: 0 0 16px var(--accent-primary);
}

.metronome-controls-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  width: 100%;
}

.btn-bpm-step {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-solid);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn-bpm-step:hover {
  background: var(--border-subtle);
}

.bpm-range-slider {
  flex: 1;
  accent-color: var(--accent-primary);
  height: 6px;
  border-radius: 3px;
  cursor: pointer;
}

.metronome-actions-row {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.btn-metronome-play {
  flex: 2;
  padding: 16px 20px;
  border-radius: 14px;
  border: none;
  background: var(--accent-primary);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.35);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-metronome-play:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-metronome-play.active {
  background: #ff1744;
  box-shadow: 0 6px 20px rgba(255, 23, 68, 0.35);
}

.btn-tap-tempo {
  flex: 1;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-solid);
  color: var(--text-primary);
  font-weight: 700;
  cursor: pointer;
}

.btn-tap-tempo:hover {
  background: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   Pro Options Inside Modal
   -------------------------------------------------------------------------- */
.pro-options-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px;
  margin-top: 20px;
}

.pro-options-card h3 {
  margin: 0 0 16px 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .pro-grid {
    grid-template-columns: 1fr;
  }
}

.pro-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.pro-label select {
  background: transparent;
  color: var(--text-primary);
  border: none;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.btn-pro-preset {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-pro-preset:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.pro-badge {
  padding: 6px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.pro-badge:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

.pro-badge.active {
  background: var(--accent-primary) !important;
  color: #ffffff !important;
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 12px var(--accent-primary-glow);
}

.btn-pro-preset.active {
  background: var(--accent-primary) !important;
  color: #ffffff !important;
  border-color: var(--accent-primary) !important;
}

/* --------------------------------------------------------------------------
   Ear Trainer — Botón de Reproducir
   -------------------------------------------------------------------------- */
.btn-play-ear-chord {
  width: 100%;
  padding: 20px;
  background: var(--bg-surface-solid);
  border: 2px solid var(--accent-primary);
  border-radius: 16px;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 20px rgba(255, 87, 34, 0.15);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn-play-ear-chord:hover {
  background: rgba(255, 87, 34, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 87, 34, 0.25);
}

.btn-play-ear-chord.playing {
  border-color: #00e676;
  box-shadow: 0 0 24px rgba(0, 230, 118, 0.3);
  animation: ear-pulse 0.6s ease;
}

.btn-play-ear-chord.pulse-hint {
  animation: ear-shake 0.4s ease;
}

.ear-play-hint {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  opacity: 0.7;
}

@keyframes ear-pulse {
  0% { transform: scale(1); }
  30% { transform: scale(1.03); }
  60% { transform: scale(0.98); }
  100% { transform: scale(1); }
}

@keyframes ear-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* --------------------------------------------------------------------------
   Ear Trainer — Botones de Respuesta
   -------------------------------------------------------------------------- */
.btn-ear-answer {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  padding: 18px 12px;
  border-radius: 14px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
}

.btn-ear-answer:hover:not(:disabled) {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.btn-ear-answer:active:not(:disabled) {
  background: var(--accent-primary);
  color: #ffffff;
}

/* Estado bloqueado (hasta que escuche el acorde) */
.btn-ear-answer.ear-locked {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.4);
}

/* Feedback correcto */
.btn-ear-answer.ear-correct {
  background: rgba(0, 230, 118, 0.18) !important;
  border-color: #00e676 !important;
  color: #00e676 !important;
  box-shadow: 0 0 16px rgba(0, 230, 118, 0.25) !important;
}

/* Feedback incorrecto */
.btn-ear-answer.ear-wrong {
  background: rgba(255, 23, 68, 0.18) !important;
  border-color: #ff1744 !important;
  color: #ff5252 !important;
}

/* Diapasón Acústico Pitch Buttons */
.btn-tuner-pitch {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-tuner-pitch:hover {
  border-color: var(--accent-primary);
  background: var(--bg-surface-hover);
  transform: translateY(-2px);
}

.pitch-note-name {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-primary);
}

.pitch-string-desc {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.pitch-freq-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--border-subtle);
  padding: 2px 6px;
  border-radius: 6px;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Grados Armónicos (Círculo de Quintas)
   -------------------------------------------------------------------------- */
.harmony-degree-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  border-top-width: 3px;
}

.harmony-degree-card:hover {
  background: var(--bg-surface-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.harmony-degree-label {
  font-size: 0.76rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.harmony-chord-name {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.harmony-role-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.2;
}

/* --------------------------------------------------------------------------
   Círculo de Quintas SVG
   -------------------------------------------------------------------------- */
.circle-of-fifths-svg {
  max-width: 100%;
  height: auto;
  overflow: visible;
}

.circle-key-sector {
  transition: fill 0.18s ease;
}

.circle-key-sector:hover {
  filter: brightness(1.3);
}

.circle-key-sector.active {
  filter: drop-shadow(0 0 8px rgba(255, 87, 34, 0.6));
}

/* --------------------------------------------------------------------------
   Calculadora de Cejilla — Tabla de Transposición
   -------------------------------------------------------------------------- */
.capo-transposition-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  border-radius: 10px;
  overflow: hidden;
}

.capo-transposition-table thead th {
  background: rgba(255, 87, 34, 0.12);
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 12px;
  text-align: left;
}

.capo-transposition-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}

body.theme-ivory .capo-transposition-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.03);
}

.capo-transposition-table tbody tr:hover {
  background: rgba(255, 87, 34, 0.06);
}

.capo-transposition-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

body.theme-ivory .capo-transposition-table td {
  border-color: rgba(0, 0, 0, 0.05);
}

.capo-table-degree {
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.capo-table-shape {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
}

.capo-table-result {
  font-weight: 900;
  font-size: 1rem;
  color: var(--accent-primary);
}

/* Info Box Explicativo */
.tool-info-box {
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 14px;
  padding: 16px 18px;
  margin-top: 24px;
}

body.theme-ivory .tool-info-box {
  background: rgba(24, 100, 171, 0.06);
  border-color: rgba(24, 100, 171, 0.2);
}

.tool-info-box h4 {
  margin: 0 0 6px 0;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent-secondary, #00e5ff);
}

body.theme-ivory .tool-info-box h4 {
  color: #1864ab;
}

.tool-info-box p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}