/* Fretboard Note Tester - mobile-first styles */

.fretboard-tester__description {
  max-width: 40rem;
  margin: 0 auto;
}

.fretboard-tester-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.8rem var(--spacing-md);
  background: var(--color-gray-100);
  border: 2px solid var(--color-foreground);
  border-radius: 1rem;
  margin-bottom: var(--spacing-md);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.fretboard-tester-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.fretboard-tester-card__label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-600);
}

.fretboard-tester-card__value {
  font-size: 1.15rem;
  line-height: 1.2;
}

.fretboard-tester-card .fretboard-button {
  justify-self: end;
  white-space: nowrap;
}

.fretboard-visual {
  margin-bottom: var(--spacing-md);
}

.fretboard-visual__scroll {
  overflow-x: auto;
  border: 1px solid var(--color-gray-200);
  border-radius: 0.75rem;
  background: var(--color-background);
}

.fretboard-grid {
  min-width: 34rem;
  padding: 0.7rem;
}

.fretboard-grid__labels {
  display: grid;
  grid-template-columns: 2.6rem repeat(var(--fret-columns), minmax(1.9rem, 1fr));
  gap: 0.2rem;
  margin-bottom: 0.3rem;
}

.fretboard-grid__fret-label {
  font-size: 0.66rem;
  color: var(--color-gray-600);
  text-align: center;
}

.fretboard-grid__row {
  display: grid;
  grid-template-columns: 2.6rem repeat(var(--fret-columns), minmax(1.9rem, 1fr));
  gap: 0.2rem;
  align-items: center;
  margin-bottom: 0.2rem;
}

.fretboard-grid__string-trigger {
  min-height: 2rem;
  border: 2px solid var(--color-foreground);
  border-radius: 0.45rem;
  background: var(--color-foreground);
  color: var(--color-background);
  font-family: var(--font-family);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.fretboard-grid__string-trigger:hover {
  background: var(--color-background);
  color: var(--color-foreground);
}

.fretboard-grid__string-trigger:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gray-300);
}

.fretboard-grid__string-trigger--hit {
  background: rgba(34, 197, 94, 0.92);
  border-color: #22c55e;
  color: var(--color-background);
}

.fretboard-grid__cell {
  border: 1px solid #8f5a34;
  background: linear-gradient(180deg, #bf8a5b 0%, #a96f47 100%);
  border-radius: 0.35rem;
  min-height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fretboard-grid__button {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: rgba(17, 24, 39, 0.5);
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.fretboard-grid__button:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gray-300);
}

.fretboard-grid__button:hover {
  transform: scale(1.08);
}

.fretboard-grid__button--hit {
  background: rgba(34, 197, 94, 0.92);
  border-color: rgba(255, 255, 255, 1);
}


.fretboard-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

.fretboard-control {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fretboard-control__label {
  font-size: 0.85rem;
  font-weight: 600;
}

.fretboard-control__input {
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-foreground);
  background: var(--color-background);
  border: 2px solid var(--color-foreground);
  border-radius: 0.75rem;
  padding: 0.65rem 0.75rem;
}

.fretboard-control__input:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gray-200);
}

.fretboard-control__hint {
  font-size: 0.85rem;
  margin-bottom: 0;
}

.fretboard-button {
  border: 2px solid var(--color-foreground);
  background: var(--color-foreground);
  color: var(--color-background);
  border-radius: var(--border-radius);
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition-default);
}

.fretboard-button:hover {
  background: var(--color-background);
  color: var(--color-foreground);
}

.fretboard-button:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gray-400);
}

.fretboard-button--secondary {
  border-radius: 0.75rem;
  padding: 0.45rem 0.8rem;
}

.fretboard-tester-card--correct {
  background: rgba(34, 197, 94, 0.16);
}

.fretboard-tester-card--wrong {
  background: rgba(239, 68, 68, 0.16);
  animation: fretboard-shake 0.28s linear;
}

.fretboard-feedback--good {
  color: #15803d;
}

.fretboard-feedback--bad {
  color: #b91c1c;
}

@keyframes fretboard-shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}

@media (min-width: 700px) {
  .fretboard-controls {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

  .fretboard-control__hint {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .fretboard-tester-card {
    grid-template-columns: 1fr 1fr;
  }

  .fretboard-tester-card .fretboard-button {
    grid-column: 1 / -1;
    justify-self: end;
  }

  .fretboard-grid {
    min-width: 28rem;
  }
}