.transport {
  display: grid;
  grid-template-columns: auto minmax(160px, 1fr) auto;
  align-items: center;
  column-gap: 20px;
  height: var(--transport-height);
  padding: 0 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  user-select: none;
}

.transport__left,
.transport__right {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.transport__left {
  justify-self: start;
}

.transport__right {
  justify-self: end;
  min-width: 0;
}

.transport__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  min-width: 180px;
  justify-self: center;
}

.transport__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.transport__btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.transport__btn:hover:not(:disabled) {
  background: var(--bg-track-hover);
  border-color: var(--border-medium);
}

.transport__btn--play:hover:not(:disabled) {
  color: var(--accent-play);
  border-color: var(--accent-play);
}

.transport__btn--play.transport__btn--review:not(:disabled) {
  color: var(--accent-play);
  border-color: var(--accent-play);
  background: rgba(74, 222, 128, 0.14);
  animation: play-review-pulse 1.4s ease-in-out infinite;
}

@keyframes play-review-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.35); }
  50% { box-shadow: 0 0 0 4px rgba(74, 222, 128, 0); }
}

.transport__btn--rec {
  color: var(--text-secondary);
}

.transport__btn--rec.transport__btn--armed-ready:not(:disabled):not(.transport__btn--active) {
  color: var(--accent-rec);
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.08);
}

.transport__btn--rec.transport__btn--precount-ready:not(:disabled):not(.transport__btn--active) {
  border-color: var(--accent-rec);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.transport__btn--rec:hover:not(:disabled),
.transport__btn--rec.transport__btn--active {
  color: var(--accent-rec);
  border-color: var(--accent-rec);
  background: rgba(239, 68, 68, 0.12);
}

.transport__btn--rec.transport__btn--active svg {
  animation: rec-pulse 1.2s ease-in-out infinite;
}

.transport__btn--rec.transport__btn--precount:not(.transport__btn--active) svg,
.transport__btn--rec.transport__btn--active.transport__btn--precount svg {
  animation: precount-pulse-btn 0.55s ease-in-out infinite;
}

@keyframes precount-pulse-btn {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@keyframes rec-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.transport__counter {
  display: flex;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--text-primary);
}

.transport__time {
  margin-top: 2px;
}

.transport__status {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  min-height: 14px;
  line-height: 1.2;
  transition: color 0.15s ease;
}

.transport__status[data-phase="armed"] {
  color: var(--accent-arm);
}

.transport__status[data-phase="precount"],
.transport__status[data-phase="session"] {
  color: var(--accent-rec);
}

.transport__status[data-phase="recording"] {
  color: #f87171;
}

.transport__status[data-phase="review"],
.transport__status[data-phase="processing"] {
  color: var(--accent-play);
}

.transport__status[data-phase="warn"] {
  color: #fbbf24;
}

.transport__btn--rec.transport__btn--capturing {
  background: rgba(239, 68, 68, 0.28);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.35);
}

.transport__counter-bars {
  color: var(--accent-play);
  min-width: 3ch;
  text-align: right;
}

.transport__counter-sep {
  color: var(--text-muted);
  margin: 0 1px;
}

.transport__counter-beats {
  min-width: 1ch;
}

.transport__counter-ticks {
  font-size: 18px;
  color: var(--text-secondary);
  min-width: 2ch;
}

.transport__time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.transport__field {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.transport__label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.transport__input {
  width: 60px;
  padding: 4px 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
}

.transport__select {
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color-scheme: dark;
}

.transport__select option {
  background: var(--bg-input);
  color: var(--text-primary);
}

.transport__select:focus {
  border-color: var(--accent-selection);
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.transport__select--precount {
  min-width: 6.5rem;
}

.transport__select--precount-on {
  border-color: var(--accent-rec);
  color: var(--text-primary);
  background: rgba(239, 68, 68, 0.18);
}

.transport__field--precount .transport__select--precount-on {
  background: rgba(239, 68, 68, 0.12);
}

.transport__select--precount:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.transport__toggle {
  padding: 6px 10px;
  border-radius: 4px;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.transport__toggle-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.transport__toggle:hover {
  border-color: var(--border-medium);
}

.transport__toggle--active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-selection);
}

.transport__toggle--active .transport__toggle-label {
  color: var(--accent-selection);
}

#btn-metro.transport__toggle--active {
  background: rgba(167, 139, 250, 0.15);
  border-color: var(--accent-metro);
}

#btn-metro.transport__toggle--active .transport__toggle-label {
  color: var(--accent-metro);
}

.transport__field--zoom {
  gap: 8px;
  margin-left: 4px;
  padding-left: 10px;
  border-left: 1px solid var(--border-subtle);
}

.transport__zoom {
  width: 72px;
  height: 4px;
  cursor: pointer;
}

.transport__zoom-value {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  min-width: 32px;
  text-align: right;
}