.midi-analyser {
  --midi-border: color-mix(in srgb, var(--bs-border-color) 82%, transparent);
  --midi-surface: color-mix(in srgb, var(--bs-tertiary-bg) 72%, transparent);
  --midi-accent: color-mix(in srgb, var(--bs-primary) 12%, transparent);
}

.midi-analyser__workspace {
  overflow: hidden;
  border-radius: 1.35rem;
  background:
    radial-gradient(circle at 90% 0, color-mix(in srgb, var(--bs-primary) 10%, transparent), transparent 28rem),
    var(--bs-body-bg);
}

.midi-analyser__intro,
.midi-analyser__file-header,
.midi-analyser__panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.midi-analyser__eyebrow {
  color: var(--bs-secondary-color);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.midi-analyser__title {
  margin: 0.25rem 0 0.45rem;
  font-size: clamp(1.45rem, 1.1rem + 1vw, 2.1rem);
  letter-spacing: -0.035em;
}

.midi-analyser__lede {
  max-width: 50rem;
  color: var(--bs-secondary-color);
  line-height: 1.55;
}

.midi-analyser__local-badge {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.35rem;
  padding: 0.42rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--bs-success) 24%, var(--midi-border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--bs-success) 8%, transparent);
  color: var(--bs-success-text-emphasis);
  font-size: 0.74rem;
  font-weight: 700;
}

.midi-analyser__drop-zone {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  padding: clamp(1.4rem, 4vw, 2.8rem);
  border: 1.5px dashed color-mix(in srgb, var(--bs-primary) 48%, var(--bs-border-color));
  border-radius: 1rem;
  background: color-mix(in srgb, var(--bs-primary) 4%, var(--bs-body-bg));
  cursor: pointer;
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.midi-analyser__drop-zone:hover,
.midi-analyser__drop-zone:focus-visible,
.midi-analyser__drop-zone.is-dragging {
  border-color: var(--bs-primary);
  background: color-mix(in srgb, var(--bs-primary) 10%, var(--bs-body-bg));
  outline: none;
  transform: translateY(-1px);
}

.midi-analyser__drop-zone.is-loading {
  cursor: wait;
  opacity: 0.72;
}

.midi-analyser__drop-zone > span:last-child {
  color: var(--bs-secondary-color);
  font-size: 0.84rem;
}

.midi-analyser__drop-icon {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 0.85rem;
  background: var(--midi-accent);
  color: var(--bs-primary);
  font-size: 1.45rem;
}

.midi-analyser__empty {
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  color: var(--bs-secondary-color);
  text-align: center;
}

.midi-analyser__empty i {
  font-size: 1.7rem;
}

.midi-analyser__results {
  display: grid;
  gap: 1rem;
}

.midi-analyser__metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.65rem;
}

.midi-analyser__metrics > div {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem;
  border: 1px solid var(--midi-border);
  border-radius: 0.8rem;
  background: var(--midi-surface);
}

.midi-analyser__metrics span {
  color: var(--bs-secondary-color);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.midi-analyser__metrics strong {
  font-size: 1.08rem;
}

.midi-analyser__panel {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--midi-border);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--bs-body-bg) 92%, var(--bs-tertiary-bg) 8%);
}

.midi-analyser__panel-heading {
  margin-bottom: 0.9rem;
}

.midi-analyser__panel-heading h3 {
  margin: 0.15rem 0 0;
  font-size: 1rem;
}

.midi-analyser__panel-heading small {
  color: var(--bs-secondary-color);
}

.midi-analyser__piano-roll {
  height: clamp(17rem, 35vw, 26rem);
  overflow: hidden;
  border: 1px solid var(--midi-border);
  border-radius: 0.7rem;
}

.midi-analyser__piano-roll canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.midi-analyser__timeline-selection {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.7rem;
  color: var(--bs-secondary-color);
  font-size: 0.75rem;
}

.midi-analyser__timeline-selection > div {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.midi-analyser__timeline-selection strong {
  color: var(--bs-body-color);
  white-space: nowrap;
}

.midi-analyser__analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: 1rem;
}

.midi-analyser__harmony-events {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding: 0.15rem 0 0.35rem;
  scrollbar-width: thin;
}

.midi-analyser__harmony-event {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: auto auto;
  gap: 0.08rem 0.6rem;
  min-width: 8rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--bs-primary) 25%, var(--midi-border));
  border-radius: 0.7rem;
  background: color-mix(in srgb, var(--bs-primary) 7%, var(--bs-body-bg));
}

.midi-analyser__harmony-event small {
  grid-column: 1 / -1;
  color: var(--bs-secondary-color);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.midi-analyser__harmony-event strong {
  font-size: 1rem;
}

.midi-analyser__harmony-event > span:not(.midi-analyser__confidence) {
  align-self: center;
  color: var(--bs-secondary-color);
  font-size: 0.72rem;
}

.midi-analyser__confidence {
  grid-column: 1 / -1;
  color: var(--bs-secondary-color);
  font-size: 0.62rem;
}

.midi-analyser__pitch-classes {
  display: grid;
  grid-template-columns: repeat(12, minmax(1.5rem, 1fr));
  gap: 0.4rem;
  height: 12rem;
}

.midi-analyser__pitch-column {
  display: grid;
  grid-template-rows: 1.2rem 1fr 1.2rem;
  align-items: end;
  justify-items: center;
  min-width: 0;
  font-size: 0.72rem;
}

.midi-analyser__pitch-count {
  color: var(--bs-secondary-color);
  font-size: 0.62rem;
}

.midi-analyser__pitch-bar {
  width: min(1.7rem, 74%);
  height: var(--pitch-height);
  min-height: 2px;
  border-radius: 0.35rem 0.35rem 0 0;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bs-primary) 75%, #8b5cf6), var(--bs-primary));
}

.midi-analyser__event-list {
  display: grid;
  gap: 0.8rem;
}

.midi-analyser__event-list > div {
  display: grid;
  gap: 0.35rem;
}

.midi-analyser__event-list dt {
  color: var(--bs-secondary-color);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.midi-analyser__event-list dd {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
}

.midi-analyser__event-pill {
  display: inline-grid;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--midi-border);
  border-radius: 0.5rem;
  background: var(--midi-surface);
  font-size: 0.72rem;
}

.midi-analyser__event-pill small {
  color: var(--bs-secondary-color);
  font-size: 0.62rem;
}

.midi-analyser__channel-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--channel-color);
}

.midi-analyser__channel-harmonies {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  min-width: 10rem;
}

.midi-analyser__lane-name {
  flex-basis: 100%;
  color: var(--bs-secondary-color);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.midi-analyser__channel-harmony {
  display: inline-flex;
  padding: 0.2rem 0.4rem;
  border: 1px solid color-mix(in srgb, var(--bs-primary) 24%, var(--midi-border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--bs-primary) 7%, transparent);
  color: var(--bs-body-color);
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.midi-analyser__track-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.midi-analyser__track-actions .form-check-label,
.midi-analyser__selection-count {
  color: var(--bs-secondary-color);
  font-size: 0.75rem;
  font-weight: 700;
}

.midi-analyser__selection-count {
  min-width: 3rem;
  text-align: center;
}

.midi-analyser__track-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-width: 6.6rem;
  white-space: nowrap;
}

.midi-analyser .table {
  --bs-table-bg: transparent;
  font-size: 0.82rem;
}

.midi-analyser .table th {
  color: var(--bs-secondary-color);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 991.98px) {
  .midi-analyser__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .midi-analyser__analysis-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .midi-analyser__intro,
  .midi-analyser__file-header,
  .midi-analyser__panel-heading,
  .midi-analyser__timeline-selection {
    align-items: flex-start;
    flex-direction: column;
  }

  .midi-analyser__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .midi-analyser__pitch-classes {
    gap: 0.15rem;
  }
}