:root {
  color-scheme: dark;
  --bg: #070609;
  --surface: rgba(11, 10, 14, 0.88);
  --surface-solid: #0c0b0f;
  --line: rgba(237, 239, 232, 0.15);
  --line-strong: rgba(237, 239, 232, 0.34);
  --text: #f1f2ec;
  --muted: #92928f;
  --acid: #d5ff3f;
  --violet: #9a7cff;
  --cyan: #64e9e2;
  --danger: #ff6f7c;
  --black: #050507;
  --display: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --data: "SFMono-Regular", "Roboto Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100svh;
  color: var(--text);
  background: var(--bg);
  font-family: var(--display);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.instrument {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    var(--bg);
  background-size: 64px 64px;
}

#quantum-contour {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#quantum-contour {
  z-index: -4;
}

.grain,
.vignette {
  position: fixed;
  z-index: -2;
  inset: 0;
  pointer-events: none;
}

.visual-portal {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
}

.portal-transport {
  position: relative;
  z-index: 2;
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(213, 255, 63, 0.56);
  border-radius: 50%;
  color: var(--acid);
  background: rgba(4, 5, 8, 0.22);
  box-shadow:
    0 0 0 10px rgba(213, 255, 63, 0.018),
    0 0 48px rgba(213, 255, 63, 0.08);
  backdrop-filter: blur(5px);
  cursor: pointer;
  transition:
    opacity 600ms ease,
    transform 300ms ease,
    background 300ms ease;
}

.portal-transport:hover {
  background: rgba(213, 255, 63, 0.08);
  transform: scale(1.06);
}

.portal-transport span {
  margin-left: 3px;
  font-size: 0.92rem;
}

.is-running .portal-transport {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.86);
}

.scroll-cue {
  position: absolute;
  bottom: max(24px, env(safe-area-inset-bottom));
  left: 50%;
  width: 1px;
  height: 42px;
  background: linear-gradient(transparent, rgba(241, 242, 236, 0.48));
}

.scroll-cue i {
  position: absolute;
  bottom: 0;
  left: -3px;
  width: 7px;
  height: 7px;
  border-right: 1px solid rgba(241, 242, 236, 0.58);
  border-bottom: 1px solid rgba(241, 242, 236, 0.58);
  transform: rotate(45deg);
}

.grain {
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='4' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E");
}

.vignette {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 6, 9, 0.2), rgba(7, 6, 9, 0.02) 40%, rgba(7, 6, 9, 0.85)),
    radial-gradient(circle at 68% 38%, transparent 8%, rgba(7, 6, 9, 0.08) 45%, rgba(7, 6, 9, 0.75) 100%);
}

.topbar {
  min-height: 88px;
  padding: 20px clamp(20px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 6, 9, 0.42);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
}

.brand-mark i {
  position: absolute;
  width: 35px;
  height: 13px;
  border: 1px solid var(--violet);
  border-radius: 50%;
  transform: rotate(60deg);
}

.brand-mark i:nth-child(2) {
  transform: rotate(-60deg);
}

.brand-mark i:nth-child(3) {
  transform: rotate(0deg);
}

.brand-mark::after {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 16px var(--acid);
  content: "";
}

.brand small,
.brand strong {
  display: block;
}

.brand small,
.label,
.eyebrow,
.slow-note,
.start-button small,
.trajectory-button small {
  font-family: var(--data);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.brand small {
  color: var(--muted);
}

.brand strong {
  margin-top: 2px;
  font-size: 0.94rem;
  letter-spacing: 0.13em;
}

.engine-status {
  min-width: 204px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: right;
}

.status-light {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 4px rgba(146, 146, 143, 0.08);
}

.is-running .status-light {
  background: var(--acid);
  box-shadow:
    0 0 0 4px rgba(213, 255, 63, 0.08),
    0 0 18px rgba(213, 255, 63, 0.7);
}

.is-error .status-light {
  background: var(--danger);
}

.sound-stage {
  position: relative;
  min-height: 0;
  padding: 28px clamp(20px, 4vw, 64px) 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(232px, 320px);
  align-items: center;
  gap: 38px;
  border-top: 1px solid var(--line);
  background: rgba(7, 6, 9, 0.58);
  backdrop-filter: blur(18px);
}

.now-playing {
  min-width: 232px;
  grid-column: 2;
  grid-row: 1;
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.now-playing > div {
  padding: 13px 0;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 18px;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}

.label {
  color: var(--muted);
}

.now-playing strong,
.orchestration-line strong,
.transition-line strong,
.footer strong {
  overflow: hidden;
  font-family: var(--data);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-telemetry {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  display: grid;
  gap: 10px;
}

.orchestration-line {
  min-width: 0;
  min-height: 30px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.orchestration-line > strong {
  color: var(--muted);
  font-size: 0.62rem;
}

.synth-degraded .orchestration-line > strong {
  color: var(--danger);
}

.instrument-roster {
  min-width: 0;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: baseline;
  overflow: hidden;
  list-style: none;
  white-space: nowrap;
}

.instrument-roster li {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--text);
  font-family: var(--data);
  font-size: 0.61rem;
  font-weight: 650;
  letter-spacing: 0.075em;
  line-height: 1.4;
  text-transform: uppercase;
}

.instrument-roster li + li {
  position: relative;
  margin-left: 12px;
  padding-left: 12px;
}

.instrument-roster li + li::before {
  position: absolute;
  top: 0.2em;
  bottom: 0.2em;
  left: 0;
  width: 1px;
  background: var(--line-strong);
  content: "";
}

.instrument-roster small {
  color: var(--muted);
  font: inherit;
  font-size: 0.52rem;
  font-weight: 500;
}

.instrument-roster .roster-remainder {
  color: var(--cyan);
}

.instrument-roster .mobile-roster-remainder {
  display: none;
  color: var(--cyan);
}

.instrument-roster.is-updating li {
  animation: roster-in 260ms both cubic-bezier(0.22, 1, 0.36, 1);
}

.transition-line {
  min-height: 36px;
  display: grid;
  grid-template-columns: auto minmax(160px, auto) minmax(160px, 1fr);
  align-items: center;
  gap: 18px;
}

.transition-track {
  position: relative;
  height: 1px;
  overflow: visible;
  background: var(--line-strong);
}

.transition-track i {
  position: absolute;
  inset: -1px auto -1px 0;
  width: 0%;
  background: var(--acid);
  box-shadow: 0 0 12px rgba(213, 255, 63, 0.8);
  transition: width 500ms linear;
}

.control-surface {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(230px, 0.62fr) minmax(620px, 1.8fr) minmax(330px, 0.9fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(24px);
}

.transport-block,
.direction-block,
.harmony-block {
  min-width: 0;
}

.transport-block,
.direction-block {
  border-right: 1px solid var(--line);
}

.transport-block {
  display: grid;
  grid-template-rows: 1fr auto;
}

.transport-block button {
  border: 0;
  border-radius: 0;
  cursor: pointer;
}

.start-button {
  min-height: 132px;
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  color: var(--black);
  background: var(--acid);
  text-align: left;
  transition:
    filter 160ms ease,
    background 240ms ease,
    color 240ms ease;
}

.start-button:hover {
  filter: brightness(1.08);
}

.is-running .start-button {
  color: var(--acid);
  background: rgba(213, 255, 63, 0.03);
}

.transport-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 1rem;
}

.start-button small,
.start-button strong,
.trajectory-button small,
.trajectory-button strong {
  display: block;
}

.start-button small,
.trajectory-button small {
  opacity: 0.66;
}

.start-button strong {
  margin-top: 5px;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.trajectory-button {
  min-height: 64px;
  padding: 15px 24px;
  color: var(--cyan);
  background: transparent;
  text-align: left;
  border-top: 1px solid var(--line) !important;
}

.trajectory-button strong {
  margin-top: 4px;
  font-family: var(--data);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.direction-block,
.harmony-block {
  padding: 20px;
}

.control-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.control-heading h2,
.harmony-block h2 {
  margin: 5px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.slow-note {
  color: var(--muted);
  text-align: right;
}

.choice-row {
  display: grid;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.vibe-choices {
  grid-template-columns: repeat(5, minmax(100px, 1fr));
}

.tonality-choices {
  grid-template-columns: repeat(3, 1fr);
}

.choice-row button {
  min-width: 0;
  min-height: 92px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 7px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.choice-row button:last-child {
  border-right: 0;
}

.choice-row button:hover {
  background: rgba(255, 255, 255, 0.035);
}

.choice-row button[aria-pressed="true"] {
  color: var(--acid);
  background: rgba(213, 255, 63, 0.06);
}

.choice-row button > span,
.choice-row button small {
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}

.choice-row button strong {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.harmony-block {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tonality-choices button {
  min-height: 92px;
}

.performance-console {
  grid-column: 1 / -1;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(230px, 0.54fr) minmax(0, 2.46fr);
  border-top: 1px solid var(--line-strong);
}

.performance-heading {
  min-width: 0;
  padding: 22px clamp(20px, 2.6vw, 40px);
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  border-right: 1px solid var(--line);
  background: rgba(4, 4, 6, 0.2);
}

.performance-heading h2 {
  margin: 5px 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.performance-heading p,
.performance-band header p {
  margin: 0;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.54rem;
  letter-spacing: 0.075em;
  line-height: 1.55;
}

.performance-band {
  min-width: 0;
  padding: 18px clamp(20px, 2.6vw, 40px);
  display: grid;
  grid-template-columns: minmax(150px, 0.56fr) minmax(360px, 1.65fr) minmax(210px, 0.79fr);
  align-items: center;
  gap: clamp(18px, 2.4vw, 40px);
}

.live-mix-band {
  border-bottom: 1px solid var(--line);
}

.performance-band > header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.performance-band h3 {
  margin: 0 0 3px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.timing-chip {
  min-width: 54px;
  min-height: 28px;
  padding: 6px 8px;
  display: inline-grid;
  place-items: center;
  color: var(--black);
  background: var(--cyan);
  font-family: var(--data);
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
}

.eq-controls,
.direction-grid {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.eq-controls {
  grid-template-columns: repeat(3, minmax(100px, 1fr));
}

.performance-range {
  --range-progress: 50%;
  min-width: 0;
  min-height: 58px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: center;
  gap: 7px 12px;
  color: var(--text);
  font-family: var(--data);
}

.performance-range > span,
.performance-range output {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1;
}

.performance-range output {
  color: var(--cyan);
  font-weight: 600;
  text-align: right;
}

.performance-range input[type="range"] {
  width: 100%;
  height: 28px;
  margin: 0;
  grid-column: 1 / -1;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.performance-range input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background:
    linear-gradient(90deg, var(--cyan) var(--range-progress), transparent var(--range-progress)),
    var(--line-strong);
}

.performance-range input[type="range"]::-moz-range-track {
  height: 2px;
  background:
    linear-gradient(90deg, var(--cyan) var(--range-progress), transparent var(--range-progress)),
    var(--line-strong);
}

.performance-range input[type="range"]::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  margin-top: -6px;
  appearance: none;
  border: 2px solid var(--surface-solid);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan);
}

.performance-range input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 2px solid var(--surface-solid);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan);
}

.cut-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(94px, 1fr));
  border: 1px solid var(--line);
}

.cut-controls button {
  min-height: 68px;
  padding: 11px 13px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: center;
  gap: 4px 10px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.cut-controls button:last-child {
  border-right: 0;
}

.cut-controls span,
.cut-controls small {
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.cut-controls strong {
  grid-row: 2;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.cut-controls small {
  grid-row: 2;
  color: var(--cyan);
  text-align: right;
}

.cut-controls button:hover,
.bass-character button:hover {
  background: rgba(255, 255, 255, 0.04);
}

.cut-controls button[aria-pressed="true"] {
  color: var(--danger);
  background: rgba(255, 111, 124, 0.08);
}

.cut-controls button[aria-pressed="true"] small {
  color: var(--danger);
}

.cut-controls button[data-pending="true"] {
  color: var(--acid);
  background: rgba(213, 255, 63, 0.06);
}

.trajectory-controls {
  min-width: 0;
}

.trajectory-controls summary {
  min-height: 58px;
  padding: 14px clamp(20px, 2.6vw, 40px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  list-style: none;
}

.trajectory-controls summary::-webkit-details-marker {
  display: none;
}

.trajectory-controls summary::after {
  margin-left: 8px;
  color: var(--muted);
  content: "+";
  font-family: var(--data);
}

.trajectory-controls[open] summary::after {
  content: "−";
}

.trajectory-controls summary strong,
.trajectory-controls summary small,
.trajectory-controls summary em {
  display: block;
  font-family: var(--data);
  font-style: normal;
  letter-spacing: 0.09em;
}

.trajectory-controls summary strong {
  font-size: 0.62rem;
}

.trajectory-controls summary small,
.trajectory-controls summary em {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.5rem;
}

.trajectory-controls summary em {
  margin: 0;
  color: var(--acid);
  text-align: right;
}

.trajectory-controls > :not(summary) {
  border-top: 1px solid var(--line);
}

.direction-grid {
  padding: 16px clamp(20px, 2.6vw, 40px);
  grid-template-columns: repeat(5, minmax(104px, 1fr));
}

.direction-grid .performance-range input[type="range"]::-webkit-slider-runnable-track {
  background:
    linear-gradient(90deg, var(--violet) var(--range-progress), transparent var(--range-progress)),
    var(--line-strong);
}

.direction-grid .performance-range input[type="range"]::-moz-range-track {
  background:
    linear-gradient(90deg, var(--violet) var(--range-progress), transparent var(--range-progress)),
    var(--line-strong);
}

.direction-grid .performance-range input[type="range"]::-webkit-slider-thumb,
.direction-grid .performance-range input[type="range"]::-moz-range-thumb {
  background: var(--violet);
  box-shadow: 0 0 0 1px var(--violet);
}

.direction-grid .performance-range output {
  color: var(--violet);
}

.bass-character {
  min-width: 0;
  margin: 0;
  padding: 14px clamp(20px, 2.6vw, 40px) 18px;
  display: grid;
  grid-template-columns: minmax(130px, 0.48fr) minmax(0, 2.52fr);
  align-items: center;
  gap: 18px;
  border: 0;
}

.bass-character legend {
  display: contents;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.bass-character > div {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
}

.bass-character button {
  min-height: 44px;
  padding: 8px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  font-family: var(--data);
  font-size: 0.53rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.bass-character button:last-child {
  border-right: 0;
}

.bass-character button[aria-pressed="true"] {
  color: var(--acid);
  background: rgba(213, 255, 63, 0.06);
}

.signal-deck {
  grid-column: 1 / -1;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(230px, 0.54fr) minmax(0, 2.46fr);
  border-top: 1px solid var(--line-strong);
}

.signal-deck-heading {
  min-width: 0;
  padding: 22px clamp(20px, 2.6vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  border-right: 1px solid var(--line);
}

.signal-deck-heading h2 {
  margin: 5px 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.signal-deck-heading p {
  margin: 0;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.54rem;
  letter-spacing: 0.075em;
  line-height: 1.55;
}

.signal-deck-heading p strong {
  display: block;
  margin-top: 5px;
  color: var(--acid);
  font: inherit;
}

.signal-card {
  --signal-drag-x: 0px;
  --signal-drag-rotate: 0deg;
  --signal-pass-opacity: 0;
  --signal-keep-opacity: 0;
  position: relative;
  min-width: 0;
  min-height: 154px;
  padding: 18px clamp(20px, 3vw, 44px);
  display: grid;
  grid-template-columns: 112px minmax(220px, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 3vw, 52px);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(154, 124, 255, 0.035), transparent 44%),
    rgba(4, 4, 6, 0.32);
  touch-action: pan-y;
  user-select: none;
  transform:
    translate3d(var(--signal-drag-x), 0, 0)
    rotate(var(--signal-drag-rotate));
  transform-origin: 50% 120%;
  transition:
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 180ms ease,
    background 180ms ease;
}

.signal-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.signal-card.is-dragging {
  transition: none;
}

.signal-card.is-passing {
  opacity: 0;
  transform: translate3d(-34%, 0, 0) rotate(-2deg);
}

.signal-card.is-keeping {
  opacity: 0;
  transform: translate3d(34%, 0, 0) rotate(2deg);
}

.signal-verdict {
  position: absolute;
  z-index: 3;
  top: 18px;
  padding: 5px 8px;
  border: 1px solid currentColor;
  font-family: var(--data);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  pointer-events: none;
}

.signal-verdict-pass {
  left: 18px;
  color: var(--danger);
  opacity: var(--signal-pass-opacity);
  transform: rotate(-2deg);
}

.signal-verdict-keep {
  right: 18px;
  color: var(--acid);
  opacity: var(--signal-keep-opacity);
  transform: rotate(2deg);
}

.signal-orbit {
  position: relative;
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
}

.signal-orbit::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(100, 233, 226, 0.8);
  content: "";
}

.signal-orbit i {
  position: absolute;
  width: 92px;
  height: 34px;
  border: 1px solid rgba(154, 124, 255, 0.56);
  border-radius: 50%;
  transform: rotate(0deg);
}

.signal-orbit i:nth-child(2) {
  transform: rotate(45deg);
}

.signal-orbit i:nth-child(3) {
  transform: rotate(90deg);
}

.signal-orbit i:nth-child(4) {
  transform: rotate(135deg);
}

.signal-card.is-auditioning .signal-orbit {
  animation: signal-breathe 900ms ease-in-out infinite alternate;
}

.signal-card.is-auditioning .signal-orbit i {
  border-color: var(--acid);
  box-shadow: 0 0 16px rgba(213, 255, 63, 0.09);
}

.signal-specimen {
  min-width: 0;
}

.signal-specimen > span,
.signal-specimen small {
  display: block;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.56rem;
  letter-spacing: 0.09em;
  line-height: 1.45;
  text-transform: uppercase;
}

.signal-specimen strong {
  display: block;
  margin: 7px 0 5px;
  overflow: hidden;
  font-size: clamp(1.28rem, 2.2vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-specimen .signal-traits {
  margin-top: 10px;
  color: var(--violet);
}

.signal-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  border: 1px solid var(--line);
}

.signal-actions button {
  min-height: 58px;
  padding: 12px 14px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  font-family: var(--data);
  font-size: 0.6rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.signal-actions button:last-child {
  border-right: 0;
}

.signal-actions button:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.045);
}

#signal-pass {
  color: var(--danger);
}

#signal-audition {
  color: var(--cyan);
}

#signal-keep {
  color: var(--acid);
}

.signal-actions button:disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.42;
}

@keyframes signal-breathe {
  to {
    filter: brightness(1.32);
    transform: scale(1.045);
  }
}

.footer {
  min-height: 64px;
  padding: 16px clamp(20px, 4vw, 64px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  background: rgba(7, 6, 9, 0.76);
}

.trajectory-identity {
  display: flex;
  align-items: center;
  gap: 12px;
}

.share-moment-button {
  min-height: 34px;
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--data);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.share-moment-button:hover,
.share-moment-button:focus-visible {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  outline: none;
}

.share-moment-button[data-state="copied"] {
  color: var(--acid);
  border-color: color-mix(in srgb, var(--acid) 48%, transparent);
}

.share-moment-button[data-state="error"] {
  color: #ff8f77;
}

.share-moment-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.56rem;
  letter-spacing: 0.07em;
  line-height: 1.5;
  text-align: center;
}

.keyboard {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-family: var(--data);
  font-size: 0.56rem;
  white-space: nowrap;
}

kbd {
  padding: 3px 6px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: var(--surface-solid);
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.instrument .control-surface {
  animation: surface-in 600ms 140ms both cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes surface-in {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
}

@keyframes copy-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

@keyframes roster-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
}

@media (max-width: 1180px) {
  .sound-stage {
    min-height: 0;
  }

  .control-surface {
    grid-template-columns: minmax(220px, 0.58fr) minmax(580px, 1.5fr);
  }

  .harmony-block {
    grid-column: 1 / -1;
    min-height: 142px;
    display: grid;
    grid-template-columns: minmax(240px, 0.6fr) minmax(480px, 1.4fr);
    align-items: center;
    gap: 28px;
    border-top: 1px solid var(--line);
  }

  .tonality-choices {
    margin-top: 0;
  }

  .performance-band {
    grid-template-columns: minmax(140px, 0.5fr) minmax(330px, 1.5fr);
  }

  .cut-controls {
    grid-column: 1 / -1;
    width: min(100%, 430px);
    justify-self: end;
  }

  .direction-grid {
    grid-template-columns: repeat(3, minmax(104px, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar {
    min-height: 74px;
    padding: 16px 18px;
  }

  .brand small {
    display: none;
  }

  .engine-status {
    min-width: 0;
    max-width: 150px;
    font-size: 0.57rem;
  }

  .sound-stage {
    min-height: 0;
    padding: 26px 18px 28px;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 28px;
  }

  .now-playing {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    min-width: 0;
    grid-template-columns: repeat(5, 1fr);
  }

  .now-playing > div {
    padding: 11px 8px 11px 0;
    display: block;
    border-right: 1px solid var(--line);
  }

  .now-playing > div:last-child {
    border-right: 0;
  }

  .now-playing strong {
    display: block;
    margin-top: 5px;
    font-size: 0.62rem;
  }

  .transition-line {
    grid-column: auto;
  }

  .stage-telemetry {
    grid-column: 1;
    grid-row: 2;
  }

  .control-surface {
    grid-template-columns: 1fr;
  }

  .transport-block,
  .direction-block {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .transport-block {
    grid-template-columns: 1fr 0.55fr;
    grid-template-rows: auto;
  }

  .start-button {
    min-height: 102px;
  }

  .trajectory-button {
    border-top: 0 !important;
    border-left: 1px solid var(--line) !important;
  }

  .direction-block {
    overflow-x: auto;
  }

  .vibe-choices {
    min-width: 700px;
  }

  .harmony-block {
    grid-column: auto;
    min-height: 0;
    display: block;
    border-top: 0;
  }

  .tonality-choices {
    margin-top: 18px;
  }

  .signal-deck {
    grid-template-columns: 1fr;
  }

  .performance-console {
    grid-template-columns: 1fr;
  }

  .performance-heading {
    padding: 18px;
    grid-row: auto;
    flex-direction: row;
    align-items: end;
    gap: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .performance-heading p {
    max-width: 260px;
    text-align: right;
  }

  .performance-band {
    grid-template-columns: minmax(130px, 0.46fr) minmax(0, 1.54fr);
  }

  .cut-controls {
    grid-column: 1 / -1;
  }

  .direction-grid {
    grid-template-columns: repeat(2, minmax(104px, 1fr));
  }

  .bass-character {
    grid-template-columns: 1fr;
  }

  .signal-deck-heading {
    padding: 18px;
    flex-direction: row;
    align-items: end;
    gap: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .signal-deck-heading p {
    max-width: 250px;
    text-align: right;
  }

  .signal-card {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 20px;
  }

  .signal-orbit {
    width: 82px;
    height: 82px;
  }

  .signal-orbit i {
    width: 76px;
    height: 28px;
  }

  .signal-actions {
    grid-column: 1 / -1;
    width: 100%;
  }

  .footer {
    grid-template-columns: 1fr auto;
  }

  .footer p {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }

  .keyboard {
    display: none;
  }
}

@media (max-width: 520px) {
  .brand strong {
    font-size: 0.75rem;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .brand-mark i {
    width: 29px;
    height: 11px;
  }

  .sound-stage {
    min-height: 0;
  }

  .now-playing {
    grid-template-columns: repeat(3, 1fr);
  }

  .now-playing > div:nth-child(3) {
    border-right: 0;
  }

  .now-playing > div:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }

  .transition-line {
    grid-template-columns: auto 1fr;
  }

  .orchestration-line {
    grid-template-columns: auto 1fr;
    gap: 7px 14px;
  }

  .orchestration-line > strong {
    justify-self: end;
  }

  .instrument-roster {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .instrument-roster small {
    display: none;
  }

  .instrument-roster li:nth-child(n + 3):not(.mobile-roster-remainder) {
    display: none;
  }

  .instrument-roster .mobile-roster-remainder {
    display: inline-flex;
  }

  .transition-track {
    grid-column: 1 / -1;
  }

  .transport-block {
    grid-template-columns: 1fr;
  }

  .trajectory-button {
    min-height: 62px;
    border-top: 1px solid var(--line) !important;
    border-left: 0 !important;
  }

  .trajectory-identity {
    flex-wrap: wrap;
    gap: 8px 10px;
  }

  .share-moment-button {
    min-height: 32px;
    padding: 6px 8px;
  }

  .control-heading {
    display: block;
  }

  .slow-note {
    display: block;
    margin-top: 8px;
    text-align: left;
  }

  .tonality-choices button {
    min-height: 82px;
    padding: 10px;
  }

  .tonality-choices button small {
    display: none;
  }

  .performance-heading {
    display: block;
  }

  .performance-heading p {
    max-width: none;
    margin-top: 12px;
    text-align: left;
  }

  .performance-band {
    padding: 16px;
    grid-template-columns: 1fr;
  }

  .eq-controls {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .cut-controls {
    grid-column: auto;
    width: 100%;
  }

  .trajectory-controls summary {
    padding: 14px 16px;
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .trajectory-controls summary em {
    grid-column: 2 / 3;
    grid-row: 2;
    margin-top: 2px;
    text-align: left;
  }

  .trajectory-controls summary::after {
    grid-column: 3;
    grid-row: 1;
  }

  .direction-grid {
    padding: 14px 16px;
    gap: 8px 14px;
  }

  .bass-character {
    padding: 14px 16px 18px;
  }

  .bass-character > div {
    grid-template-columns: repeat(2, 1fr);
  }

  .bass-character button:nth-child(2n) {
    border-right: 0;
  }

  .bass-character button:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .bass-character button:last-child {
    grid-column: 1 / -1;
  }

  .signal-deck-heading {
    display: block;
  }

  .signal-deck-heading p {
    max-width: none;
    margin-top: 12px;
    text-align: left;
  }

  .signal-deck-heading p strong {
    display: inline;
    margin: 0 0 0 6px;
  }

  .signal-card {
    min-height: 0;
    padding: 20px 16px;
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 16px;
  }

  .signal-orbit {
    width: 62px;
    height: 62px;
  }

  .signal-orbit i {
    width: 58px;
    height: 22px;
  }

  .signal-specimen strong {
    font-size: 1.2rem;
  }

  .signal-actions button {
    min-width: 0;
    min-height: 50px;
    padding: 10px 6px;
    font-size: 0.54rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}