/* ==========================================================================
   Estilos de Estudio & Herramientas del Músico (ToolsView & Profile)
   ========================================================================== */

.tools-view-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 16px 130px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tools-header-banner {
  background: linear-gradient(135deg, rgba(255, 87, 34, 0.12) 0%, rgba(0, 229, 255, 0.08) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 20px;
}

.tools-main-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}

.tools-main-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.tools-grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 16px;
}

.tool-glass-card {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

body.theme-ivory .tool-glass-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
}

.tool-glass-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 87, 34, 0.12);
}

.tool-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}

.tool-card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-card-title-group h2 {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.tool-badge-pro {
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid rgba(0, 229, 255, 0.4);
  color: #00e5ff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

.tool-card-description {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

/* 1. METRÓNOMO DE PRECISIÓN */
.metronome-display-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: #09090f;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border-subtle);
}

.metronome-bpm-readout {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.bpm-large-number {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--accent-primary);
}

.bpm-unit-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 800;
}

.metronome-dots-row {
  display: flex;
  gap: 10px;
}

.metronome-beat-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #252536;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.06s ease-out;
}

.metronome-beat-dot.active {
  background: #00e5ff;
  box-shadow: 0 0 14px #00e5ff;
  transform: scale(1.25);
}

.metronome-beat-dot.active.accent {
  background: #ff5722 !important;
  box-shadow: 0 0 16px #ff5722 !important;
}

.metronome-controls-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-bpm-step {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 9px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-bpm-step:hover {
  background: var(--accent-primary);
}

.bpm-range-slider {
  flex: 1;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.metronome-actions-row {
  display: flex;
  gap: 8px;
}

.btn-metronome-play {
  flex: 2;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #ff7043 100%);
  color: var(--text-primary);
  font-weight: 800;
  border: none;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-metronome-play.active {
  background: #ff5252;
}

.btn-tap-tempo {
  flex: 1;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.4);
  color: #00e5ff;
  font-weight: 800;
  font-size: 0.78rem;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-tap-tempo:active {
  background: #00e5ff;
  color: var(--text-inverse);
}

/* 2. AFINADOR CARD */
.btn-open-full-tuner {
  background: linear-gradient(135deg, #00e5ff 0%, #0088ff 100%);
  color: var(--text-inverse);
  font-weight: 900;
  border: none;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: auto;
}

.btn-open-full-tuner:hover {
  transform: scale(1.02);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
}

/* 3. BUSCADOR DE ACORDES */
.quick-chord-search-row {
  display: flex;
  gap: 8px;
}

.input-quick-chord {
  flex: 1;
  background: #181826;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.85rem;
}

.btn-quick-chord-lookup {
  background: var(--accent-primary);
  border: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.quick-chord-preview-box {
  background: #09090e;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 180px;
}

/* 4. PERFIL & AJUSTES */
.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.profile-stat-box {
  background: #09090f;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 900;
  color: #00e5ff;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
}

.profile-settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.profile-setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.setting-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.setting-text strong {
  font-size: 0.8rem;
  color: var(--text-primary);
}

.setting-text span {
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.sel-profile-tuning {
  background: #181826;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
}

/* 5. GENERADOR DE ESCALAS */
.scale-selectors-row {
  display: flex;
  gap: 8px;
}

.sel-scale-input {
  flex: 1;
  background: #181826;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.scale-notes-display-box {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #09090e;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
  justify-content: center;
}

.scale-note-pill {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15) 0%, rgba(0, 136, 255, 0.2) 100%);
  border: 1px solid rgba(0, 229, 255, 0.5);
  color: #00e5ff;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 900;
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

/* 6. DIAPASÓN ACÚSTICO (PITCH PIPE) */
.pitch-pipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(65px, 1fr));
  gap: 6px;
}

.btn-pitch-pipe-key {
  background: #181826;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px 4px;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all var(--transition-fast);
}

.btn-pitch-pipe-key:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-pitch-pipe-key:active {
  transform: scale(0.95);
  background: #00e5ff;
  color: var(--text-inverse);
}

.btn-pitch-pipe-key strong {
  font-size: 0.9rem;
  font-weight: 900;
}

.btn-pitch-pipe-key span {
  font-size: 0.65rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* 7. CÍRCULO DE QUINTAS */
.circle-keys-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.circle-keys-row label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

.harmonized-chords-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.harmony-box {
  background: #09090e;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.harmony-box:hover {
  background: rgba(255, 87, 34, 0.15);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.harmony-degree {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 700;
}

.harmony-box strong {
  font-size: 1.1rem;
  color: #00e5ff;
  font-family: var(--font-mono);
}

/* 8. ENTRENADOR DE OÍDO */
.btn-ear-listen-again {
  background: linear-gradient(135deg, #00e5ff 0%, #0088ff 100%);
  color: var(--text-inverse);
  font-weight: 900;
  border: none;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-ear-listen-again:hover {
  transform: scale(1.02);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
}

.ear-answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-ear-choice {
  background: #181826;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-ear-choice:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* 9. CALCULADORA DE CEJILLA */
.capo-calc-inputs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.capo-calc-inputs-row label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.capo-calc-result-box {
  background: #09090e;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.capo-result-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.capo-result-fret {
  font-size: 1.15rem;
  color: #ff5722;
  font-family: var(--font-mono);
  font-weight: 900;
}