gt-diatonic-chords {
  display: block;
}

.gt-diatonic__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.gt-diatonic__tempo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #9ca3af);
}

.gt-diatonic__tempo-slider {
  accent-color: var(--primary, #6366f1);
}

.gt-diatonic__tempo-value {
  min-width: 5.5em;
  font-variant-numeric: tabular-nums;
}

.gt-diatonic__extension {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #9ca3af);
}

.gt-diatonic__inversion-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary, #9ca3af);
  border: 1px solid var(--border-color, #4b5563);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

.gt-diatonic__open-label-group {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #9ca3af);
}

.gt-diatonic__open-label-btn {
  border: 1px solid var(--border-color, #4b5563);
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary, #9ca3af);
  padding: 0.3rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.gt-diatonic__open-label-btn.is-active {
  background: var(--primary, #6366f1);
  color: #fff;
  border-color: var(--primary, #6366f1);
}

.gt-diatonic__play-all {
  border: 1px solid var(--border-color, #4b5563);
  background: transparent;
  color: var(--text-primary, #f9fafb);
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.gt-diatonic__play-all:hover:not(:disabled) {
  background: var(--primary, #6366f1);
  border-color: var(--primary, #6366f1);
  color: #fff;
}

.gt-diatonic__play-all:disabled {
  opacity: 0.7;
  cursor: default;
}

.gt-diatonic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .gt-diatonic {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .gt-diatonic {
    grid-template-columns: 1fr;
  }
}

.gt-diatonic__chord {
  background: var(--bg-secondary, #1f2937);
  border: 4px solid var(--quality-color, var(--border-color, #374151));
  border-radius: var(--radius-md, 8px);
  padding: 1.5rem;
  text-align: center;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}

.gt-diatonic__chord:hover,
.gt-diatonic__chord:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.gt-diatonic__chord.is-playing {
  border-color: var(--quality-color);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--quality-color) 35%, transparent);
  transform: translateY(-2px) scale(1.02);
}

.gt-diatonic__nashville {
  font-size: 3rem;
  font-weight: 800;
  color: var(--quality-color, var(--text-primary, #f9fafb));
}

.gt-diatonic__name {
  font-size: 2rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.gt-diatonic__quality {
  font-size: 1.5rem;
  color: var(--text-secondary, #9ca3af);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

.gt-diatonic__notes {
  font-size: 1.6rem;
  color: var(--text-secondary, #9ca3af);
  margin-top: 0.8rem;
}

.gt-diatonic__fingering {
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 1rem auto 0;
  display: block;
}

.gt-diatonic__no-shape {
  margin: 1.5rem 0 0;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #9ca3af);
  border: 1px dashed var(--border-color, #4b5563);
  border-radius: var(--radius-md, 8px);
}