/* ─── Post-import studio dashboard ─── */

.studio-dashboard {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.studio-top-grid {
  display: grid;
  grid-template-columns: minmax(760px, 1.42fr) minmax(560px, 1fr);
  gap: 12px;
}

.presence-panel,
.preview-panel,
.stems-panel,
.wave-editor {
  border-radius: 12px;
}

.panel-title,
.preview-head {
  color: #d4d8de;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.presence-panel {
  min-height: 292px;
  padding: 17px 20px 16px;
}

.presence-ruler {
  display: grid;
  grid-template-columns: 136px repeat(8, 1fr);
  margin: 13px 0 5px;
  color: #bec4cb;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.presence-grid {
  display: grid;
  grid-template-columns: 136px 1fr;
  gap: 12px;
}

.presence-labels {
  display: grid;
  grid-template-rows: repeat(6, 33px);
  align-items: center;
  color: #cbd0d7;
  font-weight: 700;
}

.presence-labels span {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 16px;
}

.presence-icon {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  filter: drop-shadow(0 0 8px color-mix(in srgb, currentColor 28%, transparent));
}

.presence-bars {
  position: relative;
  display: grid;
  grid-template-rows: repeat(6, 33px);
  border: 1px solid rgba(148, 163, 184, 0.12);
  background:
    repeating-linear-gradient(90deg, rgba(148, 163, 184, 0.07) 0 1px, transparent 1px 6.25%),
    rgba(2, 9, 14, 0.45);
}

/* DAW-style playhead overlay -- thin vertical line that rides the
   top edge of the bars container and tracks the current play time.
   transform: translateX(-50%) so the line is centered on the exact
   percentage. */
.presence-playhead {
  position: absolute;
  top: -2px;
  bottom: -2px;
  left: 0;
  width: 1.5px;
  background: var(--gold);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 4;
  box-shadow: 0 0 6px color-mix(in srgb, var(--gold) 70%, transparent);
}

.presence-playhead.hidden {
  display: none;
}

.presence-bars i {
  position: relative;
  display: block;
  overflow: hidden;
  border-bottom: 1px solid rgba(148, 163, 184, 0.09);
  background: rgba(4, 13, 19, 0.34);
  color: var(--stem-color);
  --cell-hi: color-mix(in srgb, currentColor 78%, transparent);
  --cell-md: color-mix(in srgb, currentColor 52%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 28%, transparent);
  --cells:
    repeating-linear-gradient(90deg,
      var(--cell-lo) 0 7px,
      transparent 7px 9px,
      var(--cell-md) 9px 16px,
      transparent 16px 18px,
      var(--cell-hi) 18px 27px,
      transparent 27px 31px,
      var(--cell-md) 31px 36px,
      transparent 36px 42px,
      var(--cell-lo) 42px 49px,
      transparent 49px 54px);
  --presence-mask: linear-gradient(90deg, black 0 100%);
}

.presence-bars i::before,
.presence-bars i::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 10px;
  top: 6px;
  bottom: 6px;
  border-radius: 2px;
  background: var(--cells);
  -webkit-mask-image: var(--presence-mask);
  mask-image: var(--presence-mask);
  filter: drop-shadow(0 0 7px color-mix(in srgb, currentColor 22%, transparent));
}

.presence-bars i::after {
  top: 9px;
  bottom: 9px;
  opacity: 0.34;
  transform: translateX(5px);
  background:
    repeating-linear-gradient(90deg,
      transparent 0 8px,
      var(--cell-lo) 8px 13px,
      transparent 13px 18px,
      var(--cell-md) 18px 22px,
      transparent 22px 29px);
}

.presence-bars i:nth-child(2) {
  --cell-hi: color-mix(in srgb, currentColor 82%, transparent);
  --cell-md: color-mix(in srgb, currentColor 58%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 34%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      black 0 72%, transparent 72% 73.5%, black 73.5% 100%);
}

.presence-bars i:nth-child(3) {
  --cell-hi: color-mix(in srgb, currentColor 72%, transparent);
  --cell-md: color-mix(in srgb, currentColor 48%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 24%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      black 0 15%, transparent 15% 31.8%, black 31.8% 63.5%,
      transparent 63.5% 85.7%, black 85.7% 98%, transparent 98%);
}

.presence-bars i:nth-child(4) {
  --cell-hi: color-mix(in srgb, currentColor 70%, transparent);
  --cell-md: color-mix(in srgb, currentColor 46%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 24%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      transparent 0 3.2%, black 3.2% 12.8%, transparent 12.8% 16.5%,
      black 16.5% 91.5%, transparent 91.5% 94.7%, black 94.7% 99%,
      transparent 99%);
}

.presence-bars i:nth-child(5) {
  --cell-hi: color-mix(in srgb, currentColor 76%, transparent);
  --cell-md: color-mix(in srgb, currentColor 50%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 26%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      black 0 4.5%, transparent 4.5% 15.8%, black 15.8% 62.5%,
      transparent 62.5% 70.5%, black 70.5% 96%, transparent 96%);
}

.presence-bars i:nth-child(6) {
  --cell-hi: color-mix(in srgb, currentColor 68%, transparent);
  --cell-md: color-mix(in srgb, currentColor 45%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 23%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      black 0 12%, transparent 12% 23.5%, black 23.5% 52.2%,
      transparent 52.2% 60.8%, black 60.8% 97%, transparent 97%);
}

.presence-bars i:first-child {
  --cell-hi: color-mix(in srgb, currentColor 74%, transparent);
  --cell-md: color-mix(in srgb, currentColor 50%, transparent);
  --cell-lo: color-mix(in srgb, currentColor 25%, transparent);
  --presence-mask:
    linear-gradient(90deg,
      black 0 15.2%, transparent 15.2% 19%, black 19% 42.7%,
      transparent 42.7% 50.3%, black 50.3% 60.6%, transparent 60.6% 65.8%,
      black 65.8% 88.6%, transparent 88.6% 93.7%, black 93.7% 97.6%,
      transparent 97.6%);
}

.preview-panel {
  min-height: 292px;
  padding: 14px 18px 16px;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-line);
}

.preview-head div {
  display: flex;
  gap: 12px;
}

.preview-head button,
.footer-btn {
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: #d8dde3;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.footer-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.preview-head button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
}

.preview-mixer-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 94px;
  gap: 22px;
  align-items: stretch;
  padding-top: 14px;
}

.master-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 128px;
  gap: 10px 8px;
  justify-items: center;
  color: #d1d6dd;
}

.master-strip .master-fader-track {
  height: 128px;
}

.master-strip > span {
  grid-column: 1 / -1;
}

.master-scale {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #a8b0ba;
  font-size: 12px;
}

.studio-wave-grid {
  display: grid;
  grid-template-columns: 424px minmax(0, 1fr);
  gap: 10px;
}

.stems-panel {
  min-height: 326px;
  padding: 16px 18px;
}

.stem-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  /* Aligns the first row with the first waveform lane in the wave-editor
     panel next door. The wave editor stacks (zoom-toolbar) + (ruler)
     above its first lane; the stems panel only has the "Stems" title.
     This top padding fills the difference so each Vocals/Drums/etc.
     label sits exactly opposite its corresponding waveform. */
  margin-top: 46px;
}

.stem-list span {
  /* Match the multitrack lane height (48px set in player.js wireUpAudio
     options.height, plus 1px border between lanes). Combined with the
     1px gap above, each row strides 49px -- identical to wave lanes. */
  height: 48px;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 34px 34px 36px 30px;
  align-items: center;
  gap: 10px;
  color: #d5dae0;
  font-size: 17px;
}

.stem-list em {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: #d5dae0;
  font-style: normal;
  font-weight: 700;
  white-space: nowrap;
}

.stem-icon {
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  color: var(--stem-color);
  filter: drop-shadow(0 0 8px color-mix(in srgb, currentColor 26%, transparent));
}

.drag-handle {
  width: 14px;
  height: 22px;
  opacity: 0.56;
  background:
    radial-gradient(circle, #c9ced6 1.4px, transparent 1.7px) 0 0 / 7px 7px;
}

.stem-list b {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  color: #d8dde4;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--t-base) var(--easing),
    color var(--t-base) var(--easing),
    transform var(--t-fast) var(--easing);
}

.stem-list b:hover {
  background: rgba(255, 255, 255, 0.1);
}

.stem-list b:active {
  transform: scale(0.92);
}

.stem-list b:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.stem-list .stem-mute.active {
  background: var(--danger);
  color: white;
}

.stem-list .stem-solo.active {
  background: var(--gold);
  color: #17130c;
}

/* Mute the row visually when its stem is muted (matches lane-header). */
.stem-list span.muted {
  opacity: 0.45;
}

.stem-list button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--glass-line);
  border-radius: 7px;
  background:
    radial-gradient(circle at 50% 52%, transparent 0 6px, currentColor 6px 8px, transparent 8px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  color: #cfd5dc;
  cursor: pointer;
  transition:
    border-color var(--t-base) var(--easing),
    color var(--t-base) var(--easing),
    background-color var(--t-base) var(--easing);
}

.stem-list button:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.stem-list .stem-monitor.active {
  color: var(--gold);
  border-color: var(--gold);
  background:
    radial-gradient(circle at 50% 52%, transparent 0 6px, currentColor 6px 8px, transparent 8px),
    color-mix(in srgb, var(--gold) 18%, transparent);
}

.mini-meter {
  position: relative;
  width: 20px;
  height: 34px;
  border-radius: 4px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background:
    linear-gradient(to top,
      rgba(48, 197, 87, 0.14) 0 55%,
      rgba(225, 178, 46, 0.14) 55% 80%,
      rgba(214, 64, 64, 0.14) 80% 100%),
    rgba(8, 14, 20, 0.85);
  overflow: hidden;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.45);
}

.mini-meter::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: linear-gradient(to top,
    #30c557 0%,
    #30c557 50%,
    #e1b22e 60%,
    #e1b22e 78%,
    #d64040 88%,
    #d64040 100%);
  transform: scaleY(var(--vu-scale, 0));
  transform-origin: bottom;
  /* Short transition so the meter still reads as fluid rather than
     stepwise, but quick enough that drum-hit transients aren't washed
     out. The peak-hold logic in audio.js does the real "VU feel". */
  transition: transform 30ms linear;
  pointer-events: none;
}

.mini-meter::after {
  content: "";
  position: absolute;
  left: 1px;
  right: 1px;
  height: 2px;
  bottom: calc(var(--vu-peak-pct, 0) * 1%);
  background: rgba(255, 255, 255, 0.78);
  opacity: var(--vu-peak-opacity, 0);
  transition: bottom 80ms linear, opacity 180ms linear;
  pointer-events: none;
}

.wave-editor {
  min-width: 0;
  min-height: 326px;
  padding: 12px 14px 14px;
}

.wave-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 6px;
}

/* Shared scroll viewport for the ruler + waves. Putting both in the
   same scroll container with a single inner canvas guarantees the
   ruler-time element and the loop-region overlay share one coordinate
   system, so click positions on the ruler line up perfectly with the
   visual loop bars. The canvas also widens with --zoom so a single CSS
   variable drives both visual layout and multitrack pxPerSec. */
.wave-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid rgba(148, 163, 184, 0.1);
  background: rgba(3, 10, 15, 0.52);
  scrollbar-width: thin;
  scrollbar-color: rgba(216, 168, 74, 0.65) rgba(148, 163, 184, 0.12);
  scroll-behavior: smooth;
}

.wave-scroll::-webkit-scrollbar {
  height: 10px;
}

.wave-scroll::-webkit-scrollbar-track {
  background: rgba(148, 163, 184, 0.1);
  border-radius: 999px;
}

.wave-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, rgba(216, 168, 74, 0.55), rgba(245, 203, 110, 0.9));
  border: 2px solid rgba(3, 10, 15, 0.72);
  border-radius: 999px;
}

.wave-canvas {
  position: relative;
  width: calc(100% * var(--zoom, 1));
  min-width: 100%;
}

.lanes-ruler {
  height: 30px;
}

.lanes-ruler-time {
  position: relative;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.tick {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px solid rgba(148, 163, 184, 0.2);
  padding-left: 4px;
  display: flex;
  align-items: flex-start;
  pointer-events: none;
}

.tick-label {
  color: #b8bec7;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.playhead-marker {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 8;
}

.app:not(.is-import) .playhead-marker::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 1.5px;
  height: calc(var(--wave-playhead-h, 480px) + 26px);
  transform: translateX(-50%);
  background: #e54e4e;
  box-shadow: 0 0 7px rgba(229, 78, 78, 0.34);
  pointer-events: none;
}

.zoom-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #c9ced6;
  font-size: 18px;
}

.zoom-slider {
  width: 116px;
  height: 18px;
  accent-color: var(--gold);
  background: transparent;
  cursor: pointer;
}

.zoom-slider::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold) calc(var(--zoom-frac, 0) * 100%), rgba(148, 163, 184, 0.2) calc(var(--zoom-frac, 0) * 100%));
}

.zoom-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -5px;
  border-radius: 50%;
  background: #f3d37c;
  border: 2px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 0 10px rgba(216, 168, 74, 0.28);
}

.zoom-slider::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold) calc(var(--zoom-frac, 0) * 100%), rgba(148, 163, 184, 0.2) calc(var(--zoom-frac, 0) * 100%));
}

.zoom-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #f3d37c;
  border: 2px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 0 10px rgba(216, 168, 74, 0.28);
}

.zoom-tools button {
  min-height: 32px;
  min-width: 32px;
  padding: 0 12px;
  border: 1px solid var(--glass-line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: #d8dde3;
  font: inherit;
  cursor: pointer;
  transition: background-color var(--t-base) var(--easing);
}

.zoom-tools button:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
}

.zoom-tools button:disabled {
  opacity: 0.4;
  cursor: default;
}

.zoom-tools #zoom-out,
.zoom-tools #zoom-in {
  font-size: 22px;
  padding: 0;
  width: 32px;
}

.zoom-tools .kebab {
  width: 32px;
  padding: 0;
  font-size: 22px;
}

.waves-column {
  min-width: 0;
  position: relative;
  overflow: hidden;
  min-height: 274px;
  --wave-gutter: 0px;
}

.waves-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.waves-grid .grid-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(148, 163, 184, 0.14);
}

#multitrack-container {
  width: 100%;
  position: relative;
  z-index: 2;
}

.stem-waveform-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}

.stem-waveform-row {
  /* Fixed 48px height matches the multitrack lane height
     (set in player.js wireUpAudio options.height: 48) and the
     stem-list row height in the Stems sidebar. Without this the
     overlay used flex distribution across the whole waves-column,
     producing rows ~0.8 px taller than the stem-list rows -- the
     drift accumulated across 6 rows and visibly misaligned the
     stem labels with their waveforms. */
  flex: 0 0 48px;
  height: 48px;
  position: relative;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.stem-waveform-row:last-child {
  border-bottom: 0;
}

.stem-waveform-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.stem-waveform-svg path,
.stem-waveform-svg rect {
  fill: var(--stem-color);
  opacity: 0.78;
  filter: drop-shadow(0 0 7px color-mix(in srgb, var(--stem-color) 30%, transparent));
}

#multitrack-container > div {
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  background: transparent !important;
}

#multitrack-container > div:last-child {
  border-bottom: 0;
}

#multitrack-container [part="timeline-wrapper"],
#multitrack-container [part^="timeline-"] {
  display: none !important;
}

.waves-column [style*="z-index: 10"] {
  transform: translateX(-50%);
}

.loop-region {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(216, 168, 74, 0.1);
  border-left: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.18),
    inset -1px 0 0 rgba(255, 255, 255, 0.18);
  /* Interactive so the region can be moved and its edges adjusted (#538).
     A pointerdown that does not move still falls through to a seek, so
     clicking inside the selection behaves as it always did. */
  pointer-events: auto;
  cursor: grab;
  z-index: 3;
}

.loop-region.dragging {
  cursor: grabbing;
}

/* Drag the rendered region out to a DAW or a folder. Only the desktop app can
   hand the OS a file, so the grip is hidden everywhere else rather than
   offering a gesture that would silently do nothing (see dragout.rs). */
.loop-grip {
  display: none;
}

.can-drag-out .loop-grip {
  display: block;
  position: absolute;
  /* Flush with the top of the selection, hanging off its own border like the
     lane grips hang off the right one. It cannot go any higher: .waves-column
     clips its overflow, and 3px down was enough to look like it had come
     loose and landed on the first lane's waveform. */
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 13px;
  border-radius: 0 0 4px 4px;
  background-color: rgba(8, 13, 18, 0.88);
  /* Gold, where a lane grip takes its own stem's colour: this one is the mix
     and belongs to no single track. */
  background-image: repeating-linear-gradient(
    to right,
    var(--gold) 0 2px,
    transparent 2px 5px
  );
  background-size: 20px 7px;
  background-repeat: no-repeat;
  background-position: center;
  border: 1px solid rgba(216, 168, 74, 0.55);
  border-top: 0;
  opacity: 0;
  cursor: grab;
  /* Above the resize handles: a narrow region squeezes all three together and
     the grip must stay grabbable. */
  z-index: 5;
  transition:
    opacity 0.12s ease,
    border-color 0.12s ease;
}

.can-drag-out .loop-region:hover .loop-grip {
  opacity: 0.85;
}

.can-drag-out .loop-grip:hover {
  opacity: 1;
  border-color: var(--gold);
}

.can-drag-out .loop-grip:active {
  cursor: grabbing;
  opacity: 1;
}

/* Nothing audible to export, so there is nothing to drag. Shown rather than
   hidden: a grip that vanishes when you mute a lane reads as a bug, and this
   says the selection is empty. */
.can-drag-out .loop-region:hover .loop-grip.disabled {
  opacity: 0.3;
  background: var(--muted, #6b7280);
  cursor: not-allowed;
}

/* One nugget per lane, so which track a drag produces is something you look at
   rather than remember. Positioned from --loop-right on .waves-column, which
   updateLoopRegionVisual writes once per loop change.

   The waveform layer is pointer-events: none so the waveforms never swallow a
   click meant for the loop underneath; the nugget puts its own back. */
.lane-drag-nugget {
  display: none;
}

.can-drag-out .loop-armed .lane-drag-nugget {
  display: block;
  position: absolute;
  /* Along the bottom edge of the lane rather than over the middle of it: the
     waveform is the thing being read, and a handle sitting on top of the loudest
     part of it hides exactly what the user is aiming at. The 1px lane divider
     is at 0, so this clears it. */
  bottom: 3px;
  /* Tucked inside the right edge of the selection. The 6px backs it off the
     end resize handle, which reaches 5px into the region (.loop-handle-end),
     so the two never sit on top of each other. */
  /* Flush against the inside of the loop's right border, with the right
     corners square and no right edge of its own, so it reads as a tab on the
     selection rather than a marker floating near it. The end resize handle
     reaches 5px in and is overlapped here, but it also extends 7px outside the
     region, which is the half people grab anyway. */
  left: var(--loop-right, 50%);
  transform: translateX(-100%);
  width: 24px;
  height: 14px;
  border-radius: 4px 0 0 4px;
  /* A grip, not a slab. A solid gold block this size reads as a bug in the
     waveform; three bars on a recessed plate is the shape every drag handle
     in every DAW already uses, so it needs no explaining. Drawn with a
     gradient rather than child elements, since the nugget is rebuilt on every
     redraw. */
  background-color: rgba(8, 13, 18, 0.88);
  /* Its own lane's colour, the one its waveform is drawn in. The row carries
     it as --stem-color (renderOverviewWaveformPath in player.js), so which
     track a grip belongs to is the same signal as the waveform above it. Gold
     is the fallback, and what the mix grip keeps. */
  background-image: repeating-linear-gradient(
    to right,
    var(--stem-color, var(--gold)) 0 2px,
    transparent 2px 5px
  );
  background-size: 11px 7px;
  background-repeat: no-repeat;
  background-position: center;
  border: 1px solid rgba(216, 168, 74, 0.55);
  /* Declared after the fallback, so a renderer without color-mix keeps the
     line above rather than losing the border entirely. */
  border-color: color-mix(in srgb, var(--stem-color, #d8a84a) 60%, transparent);
  border-right: 0;
  opacity: 0;
  cursor: grab;
  pointer-events: auto;
  z-index: 6;
  transition:
    opacity 0.12s ease,
    border-color 0.12s ease;
}

/* Revealed together on hover anywhere over the waveforms, so the whole set
   reads as one column of handles rather than something that appears per lane. */
.can-drag-out .loop-armed:hover .lane-drag-nugget {
  opacity: 0.9;
}

.can-drag-out .loop-armed .lane-drag-nugget:hover {
  opacity: 1;
  border-color: var(--stem-color, var(--gold));
}

.can-drag-out .loop-armed .lane-drag-nugget:active {
  cursor: grabbing;
}

/* Wider than the 2px border they sit on: an edge you cannot reliably grab is
   the finnicky behaviour this replaces. Extends outside the region as well as
   in, so the handle is catchable from either side. */
.loop-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 12px;
  cursor: ew-resize;
  z-index: 4;
}

.loop-handle-start {
  left: -7px;
}

.loop-handle-end {
  right: -7px;
}

/* Only visible while the pointer is on the region, so the selection reads the
   same as before at rest. */
.loop-region:hover .loop-handle::after,
.loop-region.dragging .loop-handle::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 4px;
  width: 4px;
  background: var(--gold);
  border-radius: 2px;
}

.lane-placeholder {
  height: 48px;
  position: relative;
}

.lane-placeholder::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--lane-color, var(--line));
  opacity: 0.55;
}

.transport-footer {
  min-height: 86px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  align-items: center;
  gap: 24px;
  padding: 6px 4px 0;
}

.transport-footer .np-transport {
  justify-self: center;
}

.footer-btn {
  min-height: 36px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ─── Screenshot-aligned DAW layout ─── */

.app:not(.is-import) .studio-dashboard {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns:
    minmax(
      clamp(340px, calc((var(--visible-track-count, 6) * 70px) + 112px), 650px),
      clamp(360px, calc((var(--visible-track-count, 6) * 78px) + 128px), 720px)
    )
    minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) minmax(74px, 86px);
  gap: 10px;
  min-height: 0;
  overflow: hidden;
}

.app:not(.is-import) .studio-top-grid,
.app:not(.is-import) .studio-wave-grid {
  display: contents;
}

.app:not(.is-import) .presence-panel {
  display: none;
}

.app:not(.is-import) .preview-panel {
  grid-column: 1;
  grid-row: 1;
  min-height: 0;
  padding: 10px 8px 12px;
}

.app:not(.is-import) .wave-editor {
  grid-column: 2;
  grid-row: 1;
  min-height: 0;
  padding: 6px 12px;
  overflow: hidden;
}

.app:not(.is-import) .stems-panel {
  grid-column: 2;
  grid-row: 1;
  align-self: stretch;
  width: 48px;
  /* 6px panel padding + 32px toolbar + 34px ruler = 72px top;
     6px matches wave-editor bottom padding so height == waves-column height */
  margin: 72px 0 6px 12px;
  height: auto;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  z-index: 4;
  pointer-events: none;
}

.app:not(.is-import) .stems-panel .panel-title {
  display: none;
}

.app:not(.is-import) .stem-list {
  height: 100%;
  margin: 0;
  gap: 0;
  display: flex;
  flex-direction: column;
}

.app:not(.is-import) .stem-list span {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  gap: 0;
  color: var(--stem-color);
}

.app:not(.is-import) .stem-list .drag-handle,
.app:not(.is-import) .stem-list b,
.app:not(.is-import) .stem-list button,
.app:not(.is-import) .stem-list .mini-meter {
  display: none;
}

.app:not(.is-import) .stem-list em {
  display: grid;
  place-items: center;
  font-size: 0;
}

.app:not(.is-import) .stem-icon {
  width: 24px;
  height: 24px;
}

.app:not(.is-import) .wave-toolbar {
  height: 30px;
  margin: 0 0 2px;
}

.app:not(.is-import) .wave-scroll {
  height: calc(100% - 32px);
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 8px;
}

.app:not(.is-import) .wave-canvas {
  height: 100%;
}

.app:not(.is-import) .lanes-ruler {
  height: 34px;
  margin-left: 48px;
}

.app:not(.is-import) .waves-column {
  min-height: calc(100% - 34px);
  height: calc(100% - 34px);
  padding-left: 48px;
  --wave-gutter: 48px;
}

.app:not(.is-import) .waves-grid {
  left: 48px;
}

.app:not(.is-import) #multitrack-container {
  position: absolute;
  inset: 0 0 0 48px;
  opacity: 0;
  pointer-events: none;
}

.app:not(.is-import) .stem-waveform-layer {
  left: 48px;
  right: 0;
  /* waves-column already starts below the ruler, no offset needed */
  top: 0;
  bottom: 0;
  height: auto;
}

.app:not(.is-import) .stem-waveform-row {
  flex: 1 1 0;
  height: auto;
  min-height: 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.11);
}

.app:not(.is-import) .stem-waveform-svg {
  inset: 0;
  height: 100%;
}

.app:not(.is-import) .stem-waveform-svg path,
.app:not(.is-import) .stem-waveform-svg rect {
  opacity: 0.92;
  filter: none;
}

.app:not(.is-import) .transport-footer {
  grid-column: 1 / -1;
  grid-row: 2;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  justify-items: stretch;
  gap: 22px;
  padding: 14px 16px;
  border: 1px solid var(--glass-line);
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 0, rgba(216, 168, 74, 0.05), transparent 28rem),
    rgba(11, 22, 30, 0.68);
}

.app:not(.is-import) .footer-btn {
  min-width: 100px;
  min-height: 36px;
  padding: 0 14px;
  font-size: 13px;
  gap: 7px;
}

.app:not(.is-import) .transport-footer .np-transport {
  grid-column: 2;
  justify-self: center;
}

.footer-actions {
  display: flex;
  grid-column: 3;
  justify-self: end;
  gap: 18px;
}