:root {
  color-scheme: dark;
  --bg: #15181b;
  --surface: #1c2024;
  --raised: #252a2f;
  --plot: #111518;
  --text: #e0e7e9;
  --muted: #8e9ca2;
  --quiet: #7c8a92;
  --line: #30383e;
  --signal: #8cd4ca;
  --signal-soft: #233d3d;
  --input: #8b9ba5;
  --danger: #f0807e;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  font-family: var(--font);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-width: 320px;
  height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
}
button,
input {
  font: inherit;
}
button {
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}
button:not(:disabled),
a {
  transition:
    color 100ms,
    background-color 100ms;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p {
  margin: 0;
}
[hidden] {
  display: none !important;
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.app-header {
  height: 52px;
  padding: 0 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.brand svg {
  width: 29px;
  height: 24px;
  stroke: var(--signal);
  stroke-width: 2.5;
  fill: none;
}
.brand > span {
  font-size: 14px;
  letter-spacing: 0.055em;
  font-weight: 750;
}
.brand small {
  margin-left: 7px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}
.app-header nav {
  display: flex;
  gap: 20px;
  align-items: center;
}
.quiet-button {
  padding: 6px 0;
  color: var(--muted);
  font-size: 11px;
}
.quiet-button:hover:not(:disabled) {
  color: var(--text);
}
.quiet-button > span {
  margin-left: 10px;
  color: var(--quiet);
  font: 10px var(--mono);
}
.help-button {
  width: 23px;
  height: 23px;
  padding: 0;
  border: 1px solid var(--quiet);
  border-radius: 50%;
}
main {
  height: calc(100dvh - 52px);
  display: grid;
  grid-template-rows: 62px minmax(0, 1fr) 76px 28px;
  position: relative;
}
.session-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 0;
  gap: 20px;
  padding: 0 22px;
  background: var(--surface);
  box-shadow:
    inset 0 1px #2a3137,
    inset 0 -1px #101315;
}
.empty-session,
.track {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  flex: 1;
}
.file-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 34px;
  border: 1px solid #48545b;
  border-radius: 3px;
  color: var(--muted);
  font-size: 20px;
}
.empty-session strong {
  font-size: 12px;
  font-weight: 500;
}
.empty-session p,
.track-label p {
  color: var(--muted);
  font: 10px var(--mono);
  margin-top: 3px;
}
.track-label {
  flex: 1;
  min-width: 0;
}
.track-label h1 {
  font-size: 13px;
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.square-button {
  width: 28px;
  height: 28px;
  padding: 0;
  color: var(--muted);
  font-size: 20px;
}
.square-button:hover {
  color: var(--text);
  background: var(--raised);
}
.session-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.render-state {
  color: var(--quiet);
  font: 10px var(--mono);
  white-space: nowrap;
}
.render-state[data-state='rendered'] {
  color: var(--signal);
}
.render-state[data-state='pending'] {
  color: #d8c398;
}
.export-button {
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 9px 13px;
  border: 1px solid #5b7376;
  border-radius: 3px;
  color: var(--signal);
  font-size: 11px;
  font-weight: 600;
}
.export-button:hover:not(:disabled) {
  background: var(--signal-soft);
}
.workspace-tabs {
  display: none;
}
.workspace-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 328px;
}
.signal-workspace {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(172px, 1.12fr) minmax(150px, 0.88fr);
  gap: var(--space-3);
  padding: var(--space-3);
}
.waveform-section {
  min-height: 0;
  display: grid;
  grid-template-rows: 33px minmax(0, 1fr) 27px;
  background: var(--plot);
}
.section-toolbar {
  min-width: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding: 0 12px;
}
.section-toolbar > div:first-child {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}
h2 {
  font-size: 12px;
  font-weight: 550;
}
.toolbar-note {
  color: var(--quiet);
  font: 9px var(--mono);
  white-space: nowrap;
}
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}
.zoom-controls button {
  min-width: 26px;
  height: 24px;
  color: var(--muted);
  font: 12px var(--mono);
}
.zoom-controls button:hover:not(:disabled) {
  background: var(--raised);
  color: var(--text);
}
.zoom-controls output {
  min-width: 28px;
  text-align: center;
  color: var(--muted);
  font: 10px var(--mono);
}
#zoom-fit {
  font-size: 10px;
  margin-left: 5px;
}
.waveform-stage {
  min-height: 0;
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}
#waveform {
  position: absolute;
  inset: 0;
  touch-action: none;
}
.lane-label {
  position: absolute;
  left: 12px;
  display: flex;
  gap: 7px;
  pointer-events: none;
  color: var(--input);
  font: 9px var(--mono);
}
.lane-label span {
  color: var(--muted);
}
.lane-input {
  top: 31px;
}
.lane-output {
  top: calc(50% + 19px);
  color: var(--signal);
}
.playhead {
  position: absolute;
  top: 20px;
  bottom: 0;
  width: 1px;
  background: #eef7f7;
  pointer-events: none;
  will-change: transform;
}
.playhead i {
  position: absolute;
  left: -4px;
  top: -1px;
  border-top: 5px solid #eef7f7;
  border-inline: 4px solid transparent;
}
.dropzone {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: default;
  background: var(--plot);
}
.dropzone.dragging {
  outline: 2px solid var(--signal);
  outline-offset: -3px;
  background: #152628;
}
.dropzone h2 {
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 450;
  letter-spacing: -0.04em;
}
.dropzone p {
  font-size: 12px;
  color: var(--muted);
}
.dropzone small {
  color: var(--quiet);
  font: 9px var(--mono);
}
.dropzone > div:not(.empty-glyph) {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin: 4px 0;
}
.empty-glyph {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  height: 31px;
  margin-bottom: 2px;
  opacity: 0.7;
}
.empty-glyph i {
  width: 2px;
  height: 12px;
  background: var(--signal);
}
.empty-glyph i:nth-child(2),
.empty-glyph i:nth-child(6) {
  height: 22px;
}
.empty-glyph i:nth-child(3),
.empty-glyph i:nth-child(5) {
  height: 16px;
}
.empty-glyph i:nth-child(4) {
  height: 31px;
}
.primary-button {
  min-height: 34px;
  padding: 8px 15px;
  border-radius: 3px;
  background: var(--signal);
  color: #102a29;
  font-weight: 650;
  font-size: 11px;
}
.primary-button:hover:not(:disabled) {
  background: #b4e8e0;
}
.navigator {
  position: relative;
  margin: 2px 12px 6px;
  min-height: 0;
  background: #1b252b;
  overflow: hidden;
}
.navigator canvas {
  opacity: 0.5;
}
.nav-region {
  position: absolute;
  inset-block: 0;
  width: 100%;
  background: #a8ddd316;
  border: 1px solid #9bcac660;
  pointer-events: none;
}
.navigator input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}
.navigator:focus-within {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.analyzer-section {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 142px;
  gap: var(--space-3);
}
.spectrum-panel {
  display: grid;
  grid-template-rows: 32px minmax(0, 1fr) 18px;
  min-height: 0;
  background: var(--plot);
}
.visual-tabs {
  display: flex;
  gap: 13px;
}
.visual-tabs button {
  padding: 3px 0;
  color: var(--quiet);
  font-size: 9px;
}
.visual-tabs .selected {
  color: var(--signal);
}
.visual-tabs button:hover {
  color: var(--text);
}
.visualizer-wrap {
  position: relative;
  min-height: 0;
  overflow: hidden;
}
.visualizer-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--quiet);
  font-size: 11px;
  pointer-events: none;
}
.frequency-scale {
  display: flex;
  justify-content: space-between;
  padding: 0 12px;
  color: var(--quiet);
  font: 8px var(--mono);
}
.meter-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 9px 10px 5px;
  background: var(--plot);
}
.meter-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.meter-heading span {
  color: var(--quiet);
  font: 8px var(--mono);
}
.meter-pair {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 20px 1fr;
  gap: 2px;
  padding-top: 8px;
}
.signal-meter {
  display: grid;
  grid-template-rows: 18px minmax(20px, 1fr) 18px;
  min-height: 0;
}
.meter-readout {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3px;
  color: var(--muted);
  font: 9px var(--mono);
}
.clip-indicator {
  padding: 0;
  font-size: 9px;
  color: #404a50;
}
.clip-indicator.clipped {
  color: var(--danger);
}
.meter-track {
  position: relative;
  width: 14px;
  height: 100%;
  margin: auto;
  background: repeating-linear-gradient(to top, #222d32 0 3px, #101619 3px 5px);
  overflow: hidden;
}
.meter-fill {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to top, var(--input) 0 3px, transparent 3px 5px);
  transform: scaleY(0);
  transform-origin: bottom;
  will-change: transform;
}
.output-fill {
  background: repeating-linear-gradient(to top, var(--signal) 0 3px, transparent 3px 5px);
}
.meter-hold {
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: 0;
  background: #e9eeee;
}
.meter-label {
  color: var(--muted);
  text-align: center;
  align-self: end;
  font-size: 9px;
}
.meter-scale {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 0;
  color: var(--quiet);
  text-align: center;
  font: 7px var(--mono);
}
.meter-panel > p {
  color: var(--quiet);
  text-align: center;
  font: 7px var(--mono);
  margin-top: 4px;
}
.processor {
  min-height: 0;
  padding: 17px 20px 13px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.processor-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 13px;
  gap: var(--space-2);
}
.eyebrow {
  font-size: 10px;
  color: var(--muted);
}
.processor-heading h2 {
  font-size: 23px;
  letter-spacing: -0.045em;
  font-weight: 450;
  margin-top: 3px;
}
.advanced-switch {
  align-self: start;
  font-size: 10px;
}
.advanced-switch > span {
  margin-left: 4px;
}
.mode-grid {
  display: grid;
  gap: 1px;
}
.mode {
  position: relative;
  display: grid;
  grid-template-columns: 23px 1fr auto;
  align-items: center;
  gap: 6px;
  text-align: left;
  min-height: 32px;
  padding: 7px 8px;
  border-radius: 2px;
}
.mode-number {
  color: var(--quiet);
  font: 9px var(--mono);
}
.mode strong {
  font-weight: 500;
  font-size: 11px;
}
.mode-subtitle {
  font-size: 9px;
  color: var(--quiet);
}
.mode.selected {
  color: var(--signal);
  background: var(--signal-soft);
}
.mode.selected .mode-number,
.mode.selected .mode-subtitle {
  color: #8fb8b5;
}
.mode:hover {
  background: #2b3338;
}
.mode p {
  display: none;
}
.smart-tune-row {
  min-height: 27px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 9px;
}
.smart-tune-row button {
  color: var(--signal);
  font-size: 10px;
}
.smart-tune-row label,
.vocal-removal-control {
  display: flex;
  align-items: center;
  gap: 6px;
}
.vocal-removal-control {
  margin-bottom: 7px;
  color: var(--text);
  font-size: 10px;
  cursor: pointer;
}
.vocal-removal-control small {
  display: block;
  color: var(--quiet);
  font-size: 8px;
}
.amount-control {
  margin-top: 15px;
}
.control-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.control-title label {
  font-size: 11px;
}
.control-title output {
  font: 28px var(--mono);
  font-weight: 350;
  letter-spacing: -0.06em;
  color: var(--text);
}
.control-title output span {
  margin-left: 4px;
  color: var(--muted);
  font-size: 12px;
}
input[type='range'] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 25px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track {
  height: 3px;
  background: linear-gradient(
    to right,
    var(--signal) 0 var(--fill, 50%),
    #414c53 var(--fill, 50%) 100%
  );
  border-radius: 0;
}
input[type='range']::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 7px;
  height: 15px;
  margin-top: -6px;
  background: #d4dfe2;
  border: 1px solid #c3d0d5;
  border-radius: 1px;
}
input[type='range']::-moz-range-track {
  height: 3px;
  background: #414c53;
}
input[type='range']::-moz-range-progress {
  height: 3px;
  background: var(--signal);
}
input[type='range']::-moz-range-thumb {
  width: 6px;
  height: 14px;
  border-radius: 1px;
  border: 0;
  background: #d4dfe2;
}
input[type='range']:disabled {
  opacity: 0.3;
  cursor: default;
}
.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--quiet);
  font-size: 8px;
}
.mode-description {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  margin-top: 10px;
  min-height: 30px;
}
.output-section {
  margin-top: auto;
  padding-top: 17px;
}
.section-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.section-label h3 {
  font-size: 11px;
  font-weight: 600;
}
.section-label span {
  color: var(--quiet);
  font: 8px var(--mono);
}
.advanced-control label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  color: var(--muted);
  font-size: 10px;
}
.control-label-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.numeric-control {
  display: flex;
  align-items: center;
  gap: 3px;
  color: var(--text);
  font: 10px var(--mono);
}
.numeric-control input {
  width: 48px;
  border: 0;
  padding: 3px 2px;
  text-align: right;
  color: var(--text);
  background: transparent;
  font: inherit;
  border-bottom: 1px solid #48545b;
  border-radius: 0;
}
.numeric-control input:focus {
  background: var(--raised);
}
.numeric-control input::-webkit-inner-spin-button {
  appearance: none;
}
.control-hint {
  color: var(--quiet);
  font-size: 9px;
  line-height: 1.5;
}
.render-action {
  margin-top: 14px;
}
#render-details {
  color: var(--muted);
  font: 9px/1.5 var(--mono);
  margin-bottom: 8px;
}
.render-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 38px;
}
.transport {
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 8px 20px;
  background: #20262b;
  box-shadow: inset 0 1px #374148;
}
.transport-buttons {
  display: flex;
  gap: 7px;
  align-items: center;
}
.transport-button {
  width: 25px;
  height: 32px;
  font-size: 20px;
  color: var(--muted);
}
.play-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--signal);
  border: 1px solid #607d7d;
  border-radius: 50%;
  font-size: 12px;
}
.play-button:hover:not(:disabled) {
  background: var(--signal-soft);
}
.play-button.playing {
  color: #102a29;
  background: var(--signal);
  border-color: var(--signal);
}
.transport-time {
  flex: 0 0 107px;
}
.transport-time > output {
  font: 18px var(--mono);
  letter-spacing: -0.06em;
}
.transport-time > span {
  display: block;
  color: var(--quiet);
  font: 9px var(--mono);
}
#timeline {
  min-width: 40px;
  flex: 1;
}
.compare-controls {
  flex: 0 0 231px;
}
.ab-switch {
  display: flex;
  gap: 1px;
  background: #13191d;
  padding: 3px;
  border-radius: 3px;
}
.ab-switch button {
  flex: 1;
  min-height: 28px;
  color: var(--muted);
  padding: 3px 7px;
  font-size: 10px;
  white-space: nowrap;
  border-radius: 2px;
}
.ab-switch .selected {
  color: var(--signal);
  background: #2c3e42;
}
kbd {
  color: var(--quiet);
  font: 8px var(--mono);
  margin-right: 5px;
}
.selected kbd {
  color: var(--signal);
}
.match-label {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 9px;
  margin-top: 4px;
}
input[type='checkbox'] {
  accent-color: var(--signal);
  width: 11px;
  height: 11px;
  margin: 0;
}
.playback-settings {
  flex: 0 0 250px;
  display: flex;
  gap: 14px;
}
.volume-row,
.speed-row {
  flex: 1 1 0;
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0 8px;
  color: var(--muted);
  font-size: 9px;
}
.volume-row input,
.speed-row input {
  grid-column: span 2;
  height: 20px;
}
.volume-row output,
.speed-row output {
  grid-column: 2;
  grid-row: 1;
  color: var(--text);
  font: 9px var(--mono);
}
.status-bar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  min-width: 0;
  padding: 0 20px;
  color: var(--muted);
  font-size: 9px;
  background: #161c20;
}
#status {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#status.busy:before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border: 1px solid var(--signal);
  border-right-color: transparent;
  border-radius: 50%;
  margin-right: 7px;
  animation: spin 800ms linear infinite;
}
.status-local {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  color: var(--quiet);
  font: 8px var(--mono);
}
.status-local i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--signal);
}
#error {
  position: absolute;
  z-index: 5;
  bottom: 110px;
  left: 20px;
  max-width: min(520px, calc(100% - 40px));
  padding: 12px 16px;
  background: #3a2429;
  border-left: 2px solid var(--danger);
  color: #f6c6c5;
  font-size: 12px;
  box-shadow: 0 5px 20px #0005;
}
dialog {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100dvh - 40px);
  padding: 26px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid #4a575f;
  border-radius: 5px;
  box-shadow: 0 24px 90px #0009;
}
dialog::backdrop {
  background: #080d11ba;
}
.dialog-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 20px;
  margin-bottom: 15px;
}
.dialog-heading h2 {
  font-size: 25px;
  font-weight: 450;
  letter-spacing: -0.035em;
}
.dialog-heading .eyebrow + h2 {
  margin-top: 4px;
}
.dialog-intro {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.advanced-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
}
.advanced-controls h3,
.results-grid h3,
.help-grid h3 {
  font-size: 12px;
  font-weight: 550;
}
.advanced-controls section > p {
  color: var(--quiet);
  font-size: 10px;
  margin: 4px 0 13px;
}
.advanced-controls .advanced-control {
  margin-top: 10px;
}
.preset-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: 18px;
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.preset-row > div {
  display: flex;
  gap: var(--space-5);
}
.url-row {
  display: flex;
  gap: 10px;
  margin-top: 7px;
}
#source-form > label {
  color: var(--muted);
  font-size: 11px;
}
#source-url {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  color: var(--text);
  background: var(--plot);
  border: 1px solid #46555d;
  border-radius: 3px;
  font: 11px var(--mono);
}
#source-error {
  margin-top: 12px;
  color: var(--danger);
  font-size: 11px;
}
#analysis-dialog {
  width: min(980px, calc(100vw - 32px));
}
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: 12px;
  color: var(--muted);
  font-size: 9px;
}
.stats b {
  display: block;
  margin-top: 3px;
  color: var(--text);
  font: 11px var(--mono);
  font-weight: 400;
}
.result-output-title {
  margin-top: 25px;
}
.overview {
  height: 45px;
  margin: 10px 0;
}
#comparison {
  height: 180px;
  margin: 15px 0 8px;
}
.legend {
  display: block;
  margin-top: 7px;
  color: var(--input);
  font-size: 9px;
  font-weight: 400;
}
.legend b {
  color: var(--signal);
  margin-left: 12px;
  font-weight: 400;
}
.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.help-grid p {
  color: var(--muted);
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.6;
}
.skip {
  position: fixed;
  top: -60px;
  left: 12px;
  z-index: 20;
  padding: 9px 13px;
  color: var(--bg);
  background: var(--signal);
}
.skip:focus {
  top: 8px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (min-width: 701px) and (max-height: 740px) {
  .signal-workspace {
    gap: var(--space-2);
    padding: var(--space-2);
  }
  .processor {
    padding: 12px 17px;
  }
  .processor-heading {
    margin-bottom: 9px;
  }
  .processor-heading h2 {
    font-size: 21px;
  }
  .mode {
    min-height: 28px;
    padding-block: 5px;
  }
  .amount-control {
    margin-top: 9px;
  }
  .smart-tune-row {
    margin-top: 0;
    min-height: 23px;
  }
  .mode-description {
    display: none;
  }
  .output-section {
    padding-top: 8px;
  }
  .render-action {
    margin-top: 7px;
  }
  .control-hint {
    font-size: 8px;
  }
  .dropzone {
    gap: 6px;
  }
  .dropzone .empty-glyph {
    display: none;
  }
}
@media (max-width: 1100px) {
  .brand small,
  #waveform-note,
  .report-button,
  .status-local {
    display: none;
  }
  .app-header {
    padding-inline: 16px;
  }
  .workspace-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
  .processor {
    padding-inline: 15px;
  }
  .session-bar {
    padding-inline: 16px;
    gap: var(--space-3);
  }
  .session-actions {
    gap: var(--space-3);
  }
  .render-state {
    display: none;
  }
  .transport {
    gap: var(--space-3);
    padding-inline: 14px;
  }
  .transport-time {
    flex-basis: 98px;
  }
  .compare-controls {
    flex-basis: 209px;
  }
  .playback-settings {
    flex-basis: 220px;
    gap: 9px;
  }
  .analyzer-section {
    grid-template-columns: minmax(0, 1fr) 117px;
    gap: var(--space-2);
  }
  .visual-tabs {
    gap: var(--space-2);
  }
  .toolbar-note {
    font-size: 8px;
  }
}
@media (max-width: 850px) and (min-width: 701px) {
  .playback-settings {
    flex-basis: 185px;
    gap: 5px;
  }
}
@media (max-width: 700px) {
  main {
    grid-template-rows: 62px 30px minmax(0, 1fr) 126px 28px;
  }
  .workspace-tabs {
    display: flex;
    gap: 20px;
    padding: 0 16px;
    background: var(--surface);
  }
  .workspace-tabs button {
    color: var(--quiet);
    padding: 0;
    font-size: 10px;
    border-bottom: 2px solid transparent;
  }
  .workspace-tabs button[aria-pressed='true'] {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }
  .workspace-layout {
    grid-template-columns: 1fr;
  }
  main[data-view='listen'] .processor,
  main[data-view='shape'] .signal-workspace {
    display: none;
  }
  .processor {
    padding: 13px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr auto;
    gap: 8px 28px;
  }
  .processor-heading {
    grid-column: span 2;
    margin: 0;
  }
  .mode-grid {
    grid-row: span 2;
    align-self: start;
    margin-top: 8px;
  }
  .smart-tune-row {
    grid-column: 2;
  }
  .mode {
    min-height: 38px;
  }
  .mode-description {
    display: none;
  }
  .amount-control,
  .output-section {
    margin: 0;
    padding: 0;
  }
  .render-action {
    grid-column: 2;
    margin: 0;
  }
  .vocal-removal-control {
    margin-bottom: 3px;
  }
  .section-label {
    margin-bottom: 4px;
  }
  .transport {
    display: grid;
    grid-template-columns: 67px 110px minmax(0, 1fr);
    grid-template-rows: 42px 20px 22px 22px;
    gap: 0 10px;
    padding: 7px 16px;
  }
  .playback-settings {
    display: contents;
  }
  .transport-time {
    align-self: center;
  }
  .transport #timeline {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .compare-controls {
    display: contents;
  }
  .ab-switch {
    grid-row: 1;
    grid-column: 3;
    align-self: center;
  }
  .match-label {
    grid-column: 1 / 3;
    grid-row: 3;
    justify-content: start;
    margin: 0;
  }
  .volume-row {
    display: grid;
    grid-column: 3;
    grid-row: 3;
    grid-template-columns: auto minmax(20px, 1fr) 28px;
    align-items: center;
    gap: 6px;
  }
  .speed-row {
    display: grid;
    grid-column: 1 / -1;
    grid-row: 4;
    grid-template-columns: 45px minmax(20px, 1fr) 36px;
    align-items: center;
    gap: 6px;
  }
  .volume-row input {
    grid-column: 2;
    grid-row: 1;
  }
  .volume-row output {
    grid-column: 3;
  }
  .speed-row input {
    grid-column: 2;
    grid-row: 1;
  }
  .speed-row output {
    grid-column: 3;
  }
  .empty-session p {
    font-size: 8px;
  }
  .dropzone h2 {
    font-size: 26px;
  }
  .toolbar-note {
    display: none;
  }
}
@media (max-width: 540px) {
  .app-header {
    height: 44px;
    padding-inline: 12px;
  }
  .brand {
    gap: var(--space-2);
  }
  .brand > span {
    font-size: 11px;
  }
  .brand svg {
    width: 24px;
  }
  .app-header nav {
    gap: 15px;
  }
  #import-button {
    width: 20px;
    padding: 0;
    font-size: 0;
  }
  #import-button span {
    display: none;
  }
  #import-button::before {
    content: '↑';
    font-size: 20px;
  }
  main {
    height: calc(100dvh - 44px);
    grid-template-rows: 58px 30px minmax(0, 1fr) 126px 27px;
  }
  .session-bar {
    padding-inline: 12px;
  }
  .file-mark,
  #replace,
  .empty-session p {
    display: none;
  }
  .track-label h1 {
    font-size: 11px;
  }
  .track-label p {
    font-size: 8px;
  }
  .track {
    gap: 5px;
  }
  .session-actions {
    gap: 5px;
  }
  .export-button {
    padding: 7px 8px;
    gap: var(--space-2);
    font-size: 9px;
    white-space: nowrap;
  }
  .empty-session strong {
    font-size: 11px;
  }
  .signal-workspace {
    padding: 7px;
    gap: 7px;
    grid-template-rows: minmax(150px, 1.1fr) minmax(135px, 0.9fr);
  }
  .analyzer-section {
    grid-template-columns: minmax(0, 1fr) 100px;
    gap: 7px;
  }
  .section-toolbar {
    padding-inline: 8px;
    gap: 7px;
  }
  .section-toolbar h2 {
    font-size: 10px;
  }
  .visual-tabs {
    gap: var(--space-2);
  }
  .visual-tabs button {
    font-size: 8px;
  }
  .visualizer-label {
    text-align: center;
    padding: 20px;
    font-size: 9px;
  }
  .dropzone {
    gap: var(--space-2);
  }
  .dropzone .empty-glyph {
    display: none;
  }
  .dropzone h2 {
    font-size: 25px;
  }
  .dropzone p {
    font-size: 10px;
  }
  .dropzone small {
    max-width: 240px;
    text-align: center;
    font-size: 8px;
  }
  .dropzone > div:not(.empty-glyph) {
    gap: 17px;
  }
  .dropzone .quiet-button {
    font-size: 10px;
  }
  .meter-panel {
    padding: 9px 6px 5px;
  }
  .meter-readout {
    font-size: 8px;
    gap: 2px;
  }
  .meter-panel > p {
    font-size: 6px;
  }
  .meter-heading h2 {
    font-size: 10px;
  }
  .processor {
    padding: 14px;
    display: flex;
    gap: 0;
  }
  .processor-heading {
    margin-bottom: 8px;
  }
  .processor-heading h2 {
    font-size: 20px;
  }
  .mode {
    min-height: 29px;
    padding-block: 5px;
  }
  .mode-grid {
    margin: 0;
    align-self: stretch;
  }
  .amount-control {
    margin-top: 9px;
  }
  .output-section {
    margin-top: auto;
    padding-top: 7px;
  }
  .render-action {
    margin-top: 8px;
  }
  .control-hint {
    font-size: 8px;
  }
  #render-details {
    font-size: 8px;
    margin-bottom: 5px;
  }
  .transport {
    grid-template-columns: 63px 91px 1fr;
    gap: 0 6px;
    padding-inline: 10px;
  }
  .transport-time > output {
    font-size: 15px;
  }
  .compare-controls {
    width: 100%;
  }
  .ab-switch button {
    padding: 3px 4px;
    font-size: 9px;
  }
  kbd {
    display: none;
  }
  .match-label {
    font-size: 8px;
  }
  .status-bar {
    padding-inline: 12px;
    font-size: 8px;
  }
  dialog {
    padding: 20px;
  }
  .dialog-heading h2 {
    font-size: 21px;
  }
  .advanced-controls,
  .results-grid,
  .help-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .preset-row > div {
    gap: 14px;
  }
  .url-row {
    flex-direction: column;
  }
}
@media (max-height: 590px) {
  body {
    height: auto;
    min-height: 100dvh;
  }
  main {
    height: 570px;
  }
  .processor {
    overflow-y: auto;
  }
}
@media (max-width: 540px) and (max-height: 740px) {
  .processor-heading .eyebrow,
  .processor .control-hint {
    display: none;
  }
  .control-title output {
    font-size: 24px;
  }
  .mode {
    min-height: 27px;
    padding-block: 4px;
  }
  .amount-control {
    margin-top: 6px;
  }
  .render-button {
    min-height: 34px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

main.dragging .waveform-section {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.control-disabled {
  opacity: 0.4;
}