/* Metronome — page-local styles. Brand tokens from site.css. */

.metro-app { padding-bottom: 2rem; }

.panel {
  background: var(--sage-light);
  border: 1px solid var(--sage);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: 0 2px 10px rgba(43, 39, 42, 0.06);
}

.panel h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--plum);
  margin: 0 0 0.55rem;
}

/* Stage: beat number + dots + play */
.metro-stage {
  text-align: center;
  margin-bottom: 1.1rem;
  border: 3px solid var(--plum);
  padding: 1rem 1rem 1.15rem;
}

.beat-number {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(3.2rem, 14vw, 5.5rem);
  line-height: 1;
  color: var(--maroon);
  min-height: 1.05em;
  transition: color 0.05s linear, transform 0.08s ease;
}

.beat-number.is-flash {
  color: var(--plum);
  transform: scale(1.06);
}

.beat-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  margin: 0.7rem 0 0.55rem;
  min-height: 2.4rem;
}

.beat-dot {
  appearance: none;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  border: 2px solid var(--olive-dark);
  background: var(--white);
  cursor: pointer;
  position: relative;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brown);
  transition: background 0.08s ease, border-color 0.08s ease, box-shadow 0.08s ease, transform 0.08s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.beat-dot .n {
  pointer-events: none;
}

.beat-dot.is-accent {
  background: var(--maroon);
  border-color: var(--maroon);
  color: var(--white);
}

.beat-dot.is-secondary {
  background: var(--olive);
  border-color: var(--olive-dark);
  color: var(--maroon-dark);
}

.beat-dot.is-mute {
  background: var(--sage);
  border-style: dashed;
  color: var(--brown);
  opacity: 0.65;
}

.beat-dot.is-active {
  box-shadow: 0 0 0 4px rgba(99, 20, 49, 0.35);
  transform: scale(1.12);
}

.beat-dot:focus-visible {
  outline: 3px solid var(--olive-dark);
  outline-offset: 2px;
}

.metro-meta {
  margin: 0.15rem 0 0.75rem;
  font-size: 0.95rem;
  color: var(--brown);
}

.play-btn {
  min-width: 9rem;
  min-height: 3rem;
  font-size: 1.15rem;
  padding: 0.85rem 1.8rem;
}

.play-btn.is-playing {
  background: var(--plum);
}

.space-hint {
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  color: var(--brown);
  opacity: 0.75;
}

/* Controls grid */
.metro-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.metro-controls .panel:last-child {
  grid-column: 1 / -1;
}

@media (max-width: 720px) {
  .metro-controls {
    grid-template-columns: 1fr;
  }
  .metro-controls .panel:last-child {
    grid-column: auto;
  }
  .space-hint { display: none; }
}

/* Tempo */
.tempo-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.tempo-display {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

#tempo-num {
  width: 4.2rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.85rem;
  color: var(--maroon);
  border: 2px solid var(--olive);
  border-radius: 8px;
  padding: 0.15rem 0.35rem;
  background: var(--white);
  text-align: center;
  -moz-appearance: textfield;
}

#tempo-num::-webkit-outer-spin-button,
#tempo-num::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.tempo-unit {
  font-size: 0.9rem;
  color: var(--brown);
  white-space: nowrap;
}

.tempo-name {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--plum);
}

#tempo-slider,
#volume {
  width: 100%;
  accent-color: var(--maroon);
  height: 1.6rem;
  margin: 0.2rem 0 0.55rem;
  cursor: pointer;
}

.tempo-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.tempo-btns .btn {
  min-width: 2.8rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.7rem;
}

#tap-tempo {
  min-width: 3.6rem;
}

/* Time signature */
.ts-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
}

.stepper {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.stepper .btn {
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0.35rem 0.55rem;
  font-size: 1.15rem;
}

.ts-value {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--maroon);
  min-width: 1.6rem;
  text-align: center;
}

.ts-slash {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--brown);
}

.unit-btns,
.presets,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.presets {
  margin-bottom: 0.55rem;
}

.chip {
  appearance: none;
  border: 2px solid var(--olive);
  background: var(--white);
  color: var(--brown);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  min-height: 2.35rem;
  touch-action: manipulation;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.chip:hover {
  background: var(--sage);
}

.chip.is-on {
  background: var(--maroon);
  border-color: var(--maroon);
  color: var(--white);
}

.chip:focus-visible {
  outline: 3px solid var(--olive-dark);
  outline-offset: 2px;
}

.opt-label {
  margin: 0.35rem 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brown);
  opacity: 0.85;
}

.compound-opts,
.grouping-opts {
  margin-top: 0.35rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--sage);
}

.group-field {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--brown);
}

.group-field span {
  display: block;
  margin-bottom: 0.25rem;
}

#grouping-text {
  width: 100%;
  max-width: 14rem;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.45rem 0.65rem;
  border: 2px solid var(--olive);
  border-radius: 8px;
  background: var(--white);
  color: var(--charcoal);
}

#grouping-text.is-invalid {
  border-color: #c45c5c;
}

.sound-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.85rem;
  align-items: start;
}

@media (max-width: 560px) {
  .sound-grid { grid-template-columns: 1fr; }
}

.hint-tiny {
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  color: var(--brown);
}

.tips ul {
  margin: 0.35rem 0 0;
  padding-left: 1.25rem;
}

.tips li {
  margin: 0.4rem 0;
  color: var(--text);
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.sr-live {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

[hidden] { display: none !important; }

/* Compact above-the-fold on phones */
@media (max-width: 480px) {
  .page-head { padding-bottom: 0.6rem; }
  .page-head h1 { font-size: 1.55rem; }
  .page-head p { margin: 0.2rem 0 0; font-size: 0.95rem; }
  .metro-stage { padding: 0.7rem 0.7rem 0.9rem; margin-bottom: 0.75rem; }
  .beat-number { font-size: 3rem; }
  .beat-dot { width: 2.1rem; height: 2.1rem; }
  .panel { padding: 0.75rem 0.85rem; }
  .metro-controls { gap: 0.7rem; margin-bottom: 0.75rem; }
}