/* ============================================================
   D4W.XYZ — Mixer (spec §10)
   ============================================================ */

.mixer {
  height: 100%;
  display: flex;
}

.mixer-strips-scroll {
  flex: 0 0 80%;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.mixer-strips {
  display: flex;
  height: 100%;
}

.mx-strip {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 60px;
  flex: 0 0 auto;
  gap: 4px;
  padding: 4px 2px;
  box-sizing: border-box;
  border-right: 1px solid var(--border-color);
  cursor: pointer;
}

.mx-strip-master {
  background: var(--bg-tertiary);
  border-right: 2px solid var(--border-accent);
}

.mx-strip.selected {
  box-shadow: inset 0 0 0 2px var(--accent-primary);
  background: var(--accent-glow);
}

/* "N FX" count badge (spec follow-up 0.10.14) */
.mx-fx-count {
  width: 100%;
  text-align: center;
  font-size: 9px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Add-channel button, sits at the end of the strip row */
.mx-add-channel {
  flex: 0 0 auto;
  width: 28px;
  height: 100%;
  background: var(--button-bg);
  border: none;
  border-right: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
}

.mx-add-channel:hover {
  background: var(--button-hover);
  color: var(--text-primary);
}

/* Pan knob */
.mx-pan-slot {
  display: flex;
  justify-content: center;
}

/* Meter + vertical fader (0-125%, spec §10.3) */
.mx-fader-row {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 140px;
}

.mx-meter {
  width: 10px;
  height: 140px;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.mx-meter-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.mx-fader-wrap {
  width: 24px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mx-fader {
  width: 130px;
  height: 4px;
  margin: 0;
  transform: rotate(-90deg);
}

/* Mute / Solo */
.mx-buttons {
  display: flex;
  gap: 3px;
}

.mx-mute,
.mx-solo {
  width: 20px;
  height: 16px;
  font-size: 9px;
  padding: 0;
}

.mx-mute.active {
  background: var(--meter-high);
  border-color: var(--meter-high);
  color: #fff;
}

.mx-solo.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--bg-primary);
}

/* Channel number / name */
.mx-number {
  font-size: 10px;
  color: var(--text-muted);
}

.mx-name {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 2px 0;
  font-size: 10px;
  color: var(--text-primary);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mx-swatch {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 1px;
}

/* ---- FX side panel (spec follow-up 0.10.14) ---- */

.mx-fx-panel {
  flex: 0 0 20%;
  height: 100%;
  overflow-y: auto;
  border-left: 1px solid var(--border-color);
  padding: 8px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mx-fx-panel-header {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.mx-fx-panel-title {
  font-size: 13px;
  font-weight: bold;
  color: var(--text-primary);
}

.mx-fx-panel-subtitle {
  margin-top: 2px;
  font-size: 11px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mx-fx-panel-slots {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mx-fx-panel-slot {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  padding: 6px;
}

.mx-fx-panel-slot.bypassed {
  opacity: 0.5;
}

.mx-fx-panel-slot.dragging {
  opacity: 0.4;
}

.mx-fx-panel-slot.drag-over-top {
  box-shadow: inset 0 2px 0 0 var(--accent-primary);
}

.mx-fx-panel-slot.drag-over-bottom {
  box-shadow: inset 0 -2px 0 0 var(--accent-primary);
}

.mx-fx-panel-slot-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.mx-fx-drag-handle {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--text-muted);
  cursor: grab;
  user-select: none;
}

.mx-fx-drag-handle:active {
  cursor: grabbing;
}

.mx-fx-panel-slot-title {
  flex: 1 1 auto;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.mx-fx-power,
.mx-fx-remove {
  flex: 0 0 auto;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1;
  padding: 0 3px;
  cursor: pointer;
}

.mx-fx-power:hover,
.mx-fx-remove:hover {
  color: var(--text-primary);
}

.mx-fx-slot-controls .knob-row {
  gap: 14px;
}

.mx-effect-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

.mx-fx-panel-add,
.mx-fx-panel-remove {
  width: 100%;
}

.mx-fx-panel-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}