.sequencer-editor {
  --sequencer-border: rgba(108, 117, 125, 0.25);
  --sequencer-panel-bg: rgba(248, 249, 250, 0.78);
}

.sequencer-editor__header,
.sequencer-editor__workspace,
.sequencer-editor__transport {
  border: 1px solid var(--sequencer-border);
  background: var(--bs-body-bg);
  border-radius: 8px;
}

.sequencer-editor__header {
  padding: 0.875rem;
}

.sequencer-editor__workspace,
.sequencer-editor__transport {
  padding: 0.75rem;
}

.sequencer-editor__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sequencer-editor__tab {
  appearance: none;
  border: 1px solid var(--sequencer-border);
  background: color-mix(in srgb, var(--bs-body-bg) 92%, transparent);
  color: var(--bs-secondary-color);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.1;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.sequencer-editor__tab:hover,
.sequencer-editor__tab:focus-visible {
  color: var(--bs-emphasis-color);
  border-color: color-mix(in srgb, var(--bs-primary) 45%, var(--sequencer-border));
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--bs-primary) 16%, transparent);
  outline: none;
}

.sequencer-editor__tab.is-active {
  background: color-mix(in srgb, var(--bs-primary) 18%, var(--bs-body-bg));
  border-color: color-mix(in srgb, var(--bs-primary) 50%, var(--sequencer-border));
  color: var(--bs-emphasis-color);
}

.sequencer-editor__panel[hidden] {
  display: none !important;
}

.sequencer-editor__panel {
  min-width: 0;
}

.sequencer-editor__inspector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.sequencer-editor__params-field {
  grid-column: 1 / -1;
}

.sequencer-editor__track-list {
  display: grid;
  gap: 0.625rem;
}

.sequencer-track-strip {
  border: 1px solid var(--sequencer-border);
  border-left: 4px solid var(--track-manager-accent, #4f8cff);
  border-radius: 8px;
  padding: 0.625rem;
  background: var(--sequencer-panel-bg);
}

.sequencer-track-strip.is-active {
  border-color: var(--track-manager-accent, #4f8cff);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--track-manager-accent, #4f8cff) 20%, transparent);
}

.sandbox-track-card__head,
.sandbox-track-card__title-wrap,
.sandbox-track-card__aux,
.sandbox-track-card__buttons,
.sandbox-track-card__fader-zone,
.sandbox-track-card__db-scale {
  display: flex;
  align-items: center;
}

.sandbox-track-card__head {
  justify-content: space-between;
  gap: 0.5rem;
}

.sandbox-track-card__title-wrap {
  min-width: 0;
  gap: 0.45rem;
}

.sandbox-track-card__title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.sandbox-track-card__color-dot {
  flex: 0 0 0.7rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--track-manager-accent, #4f8cff);
}

.sandbox-track-card__aux {
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.35rem;
  color: var(--bs-secondary-color);
  font-size: 0.75rem;
}

.sandbox-track-card__buttons {
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.sandbox-track-card__btn {
  border: 1px solid var(--sequencer-border);
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  border-radius: 6px;
  min-width: 1.75rem;
  height: 1.75rem;
  line-height: 1;
  font-size: 0.75rem;
}

.sandbox-track-card__btn.is-active {
  background: var(--track-manager-accent, #4f8cff);
  border-color: var(--track-manager-accent, #4f8cff);
  color: #fff;
}

.sandbox-track-card__knob-host {
  width: 2.25rem;
  height: 2.25rem;
  margin-top: 0.5rem;
}

.sandbox-track-card__fader-zone {
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.sandbox-track-card__meter {
  width: 0.45rem;
  height: 3rem;
  border-radius: 999px;
  background: rgba(108, 117, 125, 0.18);
  display: flex;
  align-items: end;
  overflow: hidden;
}

.sandbox-track-card__meter-fill {
  display: block;
  width: 100%;
  min-height: 0.25rem;
  background: var(--track-manager-accent, #4f8cff);
}

.sandbox-track-card__fader-host {
  flex: 1 1 auto;
  min-width: 0;
}

.sandbox-track-card__db-scale {
  flex-direction: column;
  align-items: flex-end;
  gap: 0.12rem;
  color: var(--bs-secondary-color);
  font-size: 0.58rem;
}

.sequencer-editor__track-frame[hidden] {
  display: none !important;
}

.sequencer-editor__panel .sandbox-track-container-embedded {
  min-width: 0;
}

.sequencer-editor__panel .sandbox-track-container-embedded__body {
  padding: 0;
}

.sequencer-editor__color-input {
  width: 100%;
  min-height: 2rem;
}

.sequencer-editor__params-input {
  font-family: var(--bs-font-monospace);
  font-size: 0.78rem;
  resize: vertical;
}

.sequencer-bottom-transport {
  width: 100%;
}

.sequencer-bottom-transport [data-controller~="sandbox-transport"] {
  width: 100%;
}

.sequencer-bottom-transport .sandbox-transport-card__body-embedded {
  padding: 0.35rem 0.5rem;
}

.sequencer-bottom-transport [data-sandbox-transport-target="details"] {
  display: none;
}

@media (max-width: 991.98px) {
  .sequencer-editor__inspector-grid {
    grid-template-columns: 1fr;
  }
}