/*
 * Métronome — adapté de https://github.com/pierrehanne/web-metronome (MIT,
 * voir LICENSE). L'original est en thème sombre avec un accent "amber" ;
 * repris ici en thème clair avec les couleurs de la charte Lirico
 * (--gold/--gold-dark) pour rester cohérent avec le reste du site, plutôt
 * qu'un îlot visuel dissonant. Animations (pulsation, anneau expansif)
 * reproduites à l'identique (mêmes durées/courbes que l'original).
 */

.metronome-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 1.5rem 0.5rem;
  font-family: 'Manrope', sans-serif;
  color: var(--dark-text, #2c3e50);
  user-select: none;
}

.metronome-tempo-marking {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #6c757d;
  text-align: center;
  min-height: 1.2em;
}

.metronome-dial {
  position: relative;
  width: 280px;
  height: 280px;
  max-width: 100%;
}

.metronome-dial::before,
.metronome-dial::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.metronome-dial::before {
  inset: 12px;
}

.metronome-dial::after {
  inset: 28px;
}

.metronome-rings {
  position: absolute;
  inset: 28px;
  pointer-events: none;
}

.metronome-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--gold, #C9A227);
  animation: metronome-ring-expand 0.5s ease-out forwards;
}

.metronome-dots {
  position: absolute;
  inset: 0;
}

.metronome-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(44, 62, 80, 0.2);
  border: 1px solid rgba(44, 62, 80, 0.15);
  transform: translate(-50%, -50%);
  transition: all 0.1s ease;
}

.metronome-dot--accent {
  width: 14px;
  height: 14px;
  background: rgba(201, 162, 39, 0.5);
  border-color: var(--gold-dark, #A5811C);
}

.metronome-dot--active {
  width: 16px;
  height: 16px;
  background: var(--gold, #C9A227);
  box-shadow: 0 0 12px rgba(201, 162, 39, 0.6);
  animation: metronome-beat-pulse 0.12s ease-out;
}

.metronome-dot--accent.metronome-dot--active {
  width: 22px;
  height: 22px;
  box-shadow: 0 0 20px rgba(201, 162, 39, 0.7);
}

.metronome-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.metronome-bpm-input {
  width: 140px;
  border: none;
  background: transparent;
  text-align: center;
  font-family: 'Manrope', monospace;
  font-size: 3.2rem;
  font-weight: 300;
  color: var(--dark-text, #2c3e50);
  outline: none;
}

.metronome-bpm-input:focus {
  color: var(--gold-dark, #A5811C);
}

.metronome-bpm-label {
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: #6c757d;
  margin-top: -0.25rem;
}

.metronome-bpm-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0 0.5rem;
}

.metronome-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: #6c757d;
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}

.metronome-icon-btn:hover {
  color: var(--dark-text, #2c3e50);
  background: var(--light-bg, #f8f9fa);
}

.metronome-bpm-slider,
.metronome-volume-slider {
  flex: 1;
  accent-color: var(--gold, #C9A227);
}

.metronome-controls-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  flex-wrap: wrap;
}

.metronome-time-signature {
  width: 84px;
  height: 44px;
  font-family: monospace;
  text-align: center;
  border-radius: 8px;
  border: 1px solid #dee2e6;
  background: var(--light-bg, #f8f9fa);
}

.metronome-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid #dee2e6;
  background: var(--light-bg, #f8f9fa);
  color: var(--dark-text, #2c3e50);
  font-size: 1.4rem;
}

.metronome-play--active {
  background: var(--gold, #C9A227);
  border-color: var(--gold, #C9A227);
  color: #fff;
  box-shadow: 0 0 24px rgba(201, 162, 39, 0.5);
}

.metronome-tap {
  height: 44px;
  padding: 0 1rem;
  border-radius: 8px;
  border: 1px solid #dee2e6;
  background: var(--light-bg, #f8f9fa);
  font-family: monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--dark-text, #2c3e50);
}

.metronome-tap:active,
.metronome-play:active {
  filter: brightness(0.95);
}

.metronome-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
  padding: 0 0.5rem;
}

.metronome-volume {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  max-width: 180px;
}

.metronome-volume-toggle {
  border: none;
  background: transparent;
  font-size: 1rem;
  color: #6c757d;
  flex-shrink: 0;
}

.metronome-accent-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  font-family: monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #6c757d;
}

.metronome-accent-toggle .metronome-accent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(108, 117, 125, 0.4);
}

.metronome-accent-toggle--active {
  color: var(--gold-dark, #A5811C);
  background: rgba(201, 162, 39, 0.12);
  border-color: rgba(201, 162, 39, 0.3);
}

.metronome-accent-toggle--active .metronome-accent-dot {
  background: var(--gold, #C9A227);
}

.metronome-shortcuts {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: #adb5bd;
  text-align: center;
  font-family: monospace;
}

@keyframes metronome-beat-pulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.85; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

@keyframes metronome-ring-expand {
  0% { transform: scale(0.95); opacity: 0.5; }
  100% { transform: scale(1.5); opacity: 0; }
}

@media (max-width: 480px) {
  .metronome-dial {
    width: 240px;
    height: 240px;
  }

  .metronome-bpm-input {
    font-size: 2.4rem;
  }
}