/* Editor panel: waveform view, rulers, overview, transport. */

.editor-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden !important;
}

.editor-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
}

.editor-view {
  flex: 1;
  min-width: 0;
}

.editor-empty {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 16px;
  overflow: auto;
}

.editor-empty-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  max-width: 460px;
  text-align: center;
}

.editor-empty-inner h2 {
  margin: 4px 0 0;
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--text-strong);
}

.editor-empty-inner p {
  margin: 0 0 8px;
}

.editor-empty-icon {
  display: flex;
}

.editor-empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

/* Waveform view grid */
.wf {
  display: grid;
  grid-template-rows: 34px 26px minmax(0, 1fr);
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  background: var(--bg-panel);
}

.wf-top,
.wf-ruler-row,
.wf-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 54px;
  min-width: 0;
  min-height: 0;
}

.wf-top {
  padding: 4px 0 4px 6px;
}

.overview {
  position: relative;
  min-width: 0;
  border-radius: 5px;
  background: var(--bg-panel-alt);
  cursor: pointer;
  touch-action: none;
  overflow: hidden;
}

.overview canvas {
  position: absolute;
  inset: 0;
}

.overview-playhead {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--playhead);
  pointer-events: none;
}

.overview-frame {
  position: absolute;
  top: 0;
  bottom: 0;
  border: 2px solid var(--text-faint);
  border-radius: 5px;
  pointer-events: none;
}

.overview-grip {
  position: absolute;
  top: 2px;
  bottom: 2px;
  width: 4px;
  border-radius: 2px;
  background: var(--text-faint);
}

.overview-grip.left {
  left: 0;
}

.overview-grip.right {
  right: 0;
}

.overview:hover .overview-frame,
.overview:focus-visible .overview-frame {
  border-color: var(--text-dim);
}

.wf-top-corner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.wf-ruler-row {
  padding-left: 6px;
}

.time-ruler {
  position: relative;
  min-width: 0;
  overflow: hidden;
  cursor: pointer;
  touch-action: none;
  outline: none;
}

.time-ruler canvas {
  position: absolute;
  inset: 0;
}

.wf-ruler-corner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
}

.icon-btn.sm {
  width: 20px;
  height: 20px;
}

.playhead-handle {
  position: absolute;
  left: -6px;
  bottom: 0;
  width: 13px;
  height: 14px;
  background: var(--cti);
  clip-path: polygon(0 0, 100% 0, 100% 55%, 50% 100%, 0 55%);
  pointer-events: none;
}

.wf-main {
  padding: 0 0 6px 6px;
}

.wf-lanes {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-editor);
  touch-action: none;
  cursor: text;
  outline: none;
}

.wf-lanes:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.wf-lanes canvas {
  position: absolute;
  left: 0;
  top: 0;
}

.playhead {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--playhead);
  pointer-events: none;
  will-change: transform;
}

.fade-handle {
  position: absolute;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--text-faint);
  border-radius: 1px;
  background: linear-gradient(to bottom right, var(--bg-raised) 50%, var(--text-faint) 50%);
  cursor: ew-resize;
  touch-action: none;
}

.fade-handle.out {
  background: linear-gradient(to bottom left, var(--bg-raised) 50%, var(--text-faint) 50%);
}

.fade-handle:hover {
  border-color: var(--text-strong);
  background: linear-gradient(to bottom right, var(--bg-active) 50%, var(--text-dim) 50%);
}

.fade-handle.out:hover {
  background: linear-gradient(to bottom left, var(--bg-active) 50%, var(--text-dim) 50%);
}

.hud {
  position: absolute;
  top: 26px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 0 2px 0 0;
  border: 1px solid var(--divider);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
  color: var(--text-dim);
  transform: translateX(-50%);
  opacity: 0.92;
  transition: opacity 0.15s var(--ease);
}

.hud:hover,
.hud:focus-within {
  opacity: 1;
}

/* Unpinned, the HUD steps aside while the pointer is elsewhere. */
@media (hover: hover) {
  .wf:not(:hover) .hud:not(.pinned):not(:focus-within) {
    opacity: 0;
  }
}

.hud-grip {
  align-self: stretch;
  width: 7px;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: repeating-linear-gradient(to bottom, var(--text-faint) 0 1px, transparent 1px 3px) center / 3px 60% no-repeat, var(--bg-active);
  cursor: move;
  touch-action: none;
}

.hud-icon {
  display: inline-flex;
}

.hud-knob {
  display: inline-flex;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: ew-resize;
  touch-action: none;
}

.hud-value {
  min-width: 22px;
  color: var(--hot);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.hud-unit {
  margin-right: 6px;
}

.hud-sep {
  align-self: stretch;
  width: 1px;
  margin: 4px 0;
  background: var(--divider);
}

.icon-btn.hud-pin {
  width: 18px;
  height: 18px;
}

.hud-pin[aria-pressed='true'] {
  color: var(--accent-strong);
}

.wf-amp {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border-left: 1px solid var(--divider);
}

.wf-amp canvas {
  position: absolute;
  inset: 0;
}

.wf-channel-buttons {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.channel-btn {
  position: absolute;
  right: 4px;
  width: 16px;
  height: 16px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 2px;
  background: var(--bg-raised);
  color: var(--text-faint);
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: 14px;
  pointer-events: auto;
  cursor: pointer;
}

.channel-btn:hover {
  border-color: var(--divider);
}

.channel-btn[aria-pressed='true'] {
  color: var(--accent-strong);
}

/* Transport bar */
.transport {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 8px;
  border-top: 1px solid var(--border-soft);
  flex: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.transport::-webkit-scrollbar {
  display: none;
}

.transport-time {
  flex: 1 1 120px;
  min-width: 112px;
}

.time-display {
  padding: 0 4px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--hot);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  white-space: nowrap;
}

.time-display.idle {
  color: var(--text-faint);
}

.time-display:hover {
  background: var(--bg-hover);
}

.transport-buttons,
.transport-zoom {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
}

.transport-zoom {
  flex: 1 1 auto;
  justify-content: flex-end;
}

.transport-btn {
  width: 28px;
  height: 28px;
}

.transport-btn.record {
  color: var(--record);
}

.transport-btn.record.on {
  background: var(--record);
  color: var(--accent-text);
}

.transport-btn.on {
  color: var(--accent-strong);
}

/* Narrow editor frames (tablet): zoom buttons wrap to a second row instead of
   scrolling out of sight. */
[data-layout='tablet'] .transport {
  flex-wrap: wrap;
  height: auto;
  min-height: 40px;
  padding: 4px 8px;
  row-gap: 2px;
}

[data-layout='phone'] .transport {
  flex-wrap: wrap;
  height: auto;
  padding: 4px 6px;
  gap: 4px;
}

[data-layout='phone'] .transport-time {
  flex: 1 1 100%;
  display: flex;
  justify-content: center;
}

[data-layout='phone'] .transport-zoom {
  display: none;
}

[data-layout='phone'] .transport-btn {
  width: 36px;
  height: 36px;
}

[data-layout='phone'] .transport-buttons {
  flex: 1;
  justify-content: center;
}

[data-layout='phone'] .wf {
  grid-template-rows: 30px 24px minmax(0, 1fr);
}

[data-layout='phone'] .wf-top,
[data-layout='phone'] .wf-ruler-row,
[data-layout='phone'] .wf-main {
  grid-template-columns: minmax(0, 1fr) 30px;
}

@media (pointer: coarse) {
  .fade-handle {
    width: 20px;
    height: 20px;
  }
}

/* View > Show Editor Panel Controls off: the editor fills the panel. */
:root[data-editor-controls='off'] .editor-panel > .transport {
  display: none;
}

/* Preview Editor: the effect's result under the waveform while its dialog is open. */
.preview-host {
  display: contents;
}
.preview-editor {
  display: flex;
  flex-direction: column;
  flex: 0 0 34%;
  min-height: 90px;
  border-top: 2px solid var(--border);
  background: var(--bg-editor);
}
.preview-editor[hidden] {
  display: none;
}
.preview-head {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 22px;
  padding: 0 4px 0 8px;
  border-bottom: 1px solid var(--border-soft);
  font-size: var(--fs-sm);
}
.preview-title {
  color: var(--text-dim);
  font-weight: 600;
}
.preview-surface {
  position: relative;
  flex: 1;
  min-height: 0;
}
.preview-gl {
  position: absolute;
  top: 0;
  left: 0;
}