.midi-intro {
  padding: 56px 0 8px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, var(--lighter-background), var(--background) 70%);
}

.midi-intro h1 {
  color: var(--foreground);
  font-size: 2rem;
  margin-bottom: 8px;
}

.midi-intro .tagline {
  color: var(--light-foreground);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto;
}

.midi-panel {
  padding: 40px 0 80px;
}

.midi-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 20px;
}

.midi-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--light-foreground);
  font-size: 0.85rem;
}

.midi-field input,
.midi-field select {
  background: var(--dark-background);
  color: var(--foreground);
  border: 1px solid var(--muted);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 0.95rem;
}

.midi-field input:focus,
.midi-field select:focus {
  outline: none;
  border-color: var(--accent);
}

.midi-field-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

#tempo-input,
#length-input {
  width: 70px;
}

#filename-input {
  width: 140px;
}

.midi-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.midi-actions button {
  background: var(--accent);
  color: var(--dark-background);
  border: none;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.midi-actions button:hover {
  transform: scale(1.05);
}

#add-track-btn {
  background: var(--dark-background);
  color: var(--light-foreground);
  border: 1px solid var(--muted);
}

#tracks-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.midi-track {
  border: 1px solid var(--muted);
  border-radius: 10px;
  padding: 14px;
  background: var(--lighter-background);
}

.midi-track-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.midi-track-label {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  flex: 0 0 auto;
}

.midi-track-instrument {
  background: var(--dark-background);
  color: var(--foreground);
  border: 1px solid var(--muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 0.9rem;
}

.midi-track-instrument:focus {
  outline: none;
  border-color: var(--accent);
}

.midi-track-header-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.midi-track-header-actions button {
  background: var(--dark-background);
  color: var(--light-foreground);
  border: 1px solid var(--muted);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.8rem;
  cursor: pointer;
}

.midi-track-header-actions button:hover {
  color: var(--foreground);
  border-color: var(--accent);
}

.midi-track-remove:hover {
  color: var(--accent);
}

.midi-grid-wrap {
  overflow-x: auto;
  padding-bottom: 8px;
}

.midi-grid {
  display: inline-flex;
  flex-direction: column;
  margin: 0 auto;
  border-top: 1px solid var(--muted);
  border-left: 1px solid var(--muted);
  border-radius: 6px;
  overflow: hidden;
  user-select: none; /* dragging across cells shouldn't select page text */
  touch-action: none; /* let pointer events drive dragging, not scrolling */
}

.midi-row {
  display: flex;
}

.midi-row-label {
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  background: var(--dark-background);
  color: var(--muted);
  font-size: 0.75rem;
  font-family: monospace;
  border-bottom: 1px solid var(--muted);
}

.midi-row-label.is-c {
  color: var(--light-foreground);
}

.midi-cell {
  width: 24px;
  height: 18px;
  background: var(--background);
  cursor: pointer;
  flex: 0 0 auto;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
}

.midi-cell:hover {
  background: var(--lighter-background);
}

.midi-cell.beat-start {
  border-left: 1px solid var(--muted);
}

.midi-cell.active {
  background: var(--accent);
}

.midi-cell.active:hover {
  background: var(--cyan);
}

/* A cell tied to the one after it (Shift+drag) reads as one continuous
   bar, not separate re-triggered notes — drop the shared edge between
   them so nothing breaks up the run visually. */
.midi-cell.merge-right {
  border-right: none;
}

.midi-cell.playhead {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.midi-note {
  max-width: 560px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}