:root {
  --paper: #edf2f5;
  --paper-deep: #dce7ee;
  --ink: #13202a;
  --muted: #465f6f;
  --blue: #3d7197;
  --blue-dark: #184766;
  --red: #cf503a;
  --line: rgba(24, 71, 102, 0.22);
  --line-strong: rgba(24, 71, 102, 0.55);
  --glass: rgba(237, 242, 245, 0.9);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

button,
input {
  font: inherit;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.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;
}

.app-shell {
  width: 100%;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  isolation: isolate;
}

.masthead {
  min-height: 84px;
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(340px, 1.7fr) minmax(180px, 0.8fr);
  align-items: stretch;
  border-bottom: 1px solid var(--line-strong);
  background: rgba(237, 242, 245, 0.96);
  position: relative;
  z-index: 20;
}

.edition-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  border-right: 1px solid var(--line);
  color: var(--blue);
}

.edition-number {
  font: 700 clamp(32px, 3vw, 46px) / 1 var(--serif);
  letter-spacing: 0.06em;
}

.edition-label,
.eyebrow,
.group-label,
.intro-kicker,
.panel-kicker {
  font: 700 9px / 1.15 var(--sans);
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.edition-label {
  padding-left: 13px;
  border-left: 1px solid currentColor;
}

.identity {
  padding: 10px 24px 9px;
  min-width: 0;
}

.identity p,
.identity h1 {
  margin: 0;
}

.eyebrow {
  color: var(--blue);
  margin-bottom: 3px !important;
}

.identity h1 {
  color: var(--blue-dark);
  font: 700 clamp(22px, 2.1vw, 34px) / 0.98 var(--serif);
  letter-spacing: 0.015em;
}

.subtitle {
  margin-top: 4px !important;
  font: 700 10px / 1 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.subtitle span {
  color: var(--red);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  padding: 12px 22px;
  border-left: 1px solid var(--line);
}

.live-state {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font: 700 9px / 1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
}

.state-light {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 4px rgba(95, 116, 130, 0.1);
  transition: background 180ms ease, box-shadow 180ms ease;
}

body.process-running .state-light {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(207, 80, 58, 0.12);
  animation: breathe 2.2s ease-in-out infinite;
}

@keyframes breathe {
  50% { transform: scale(0.7); opacity: 0.55; }
}

.icon-btn,
.close-btn {
  appearance: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--blue-dark);
  cursor: pointer;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font: italic 700 18px / 1 var(--serif);
}

.icon-btn:hover,
.close-btn:hover {
  background: var(--blue-dark);
  color: var(--paper);
}

.stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  cursor: crosshair;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.3), transparent 16%, transparent 84%, rgba(255, 255, 255, 0.25)),
    var(--paper);
  touch-action: none;
}

#bgCanvas,
#fxCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#bgCanvas {
  z-index: 0;
}

#fxCanvas {
  z-index: 1;
}

.score-frame {
  position: absolute;
  z-index: 2;
  inset: clamp(18px, 3vw, 42px) clamp(18px, 4vw, 64px);
  border: 1px solid rgba(24, 71, 102, 0.16);
  pointer-events: none;
}

.crop {
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--red);
  opacity: 0.72;
}

.crop-tl { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.crop-tr { top: -1px; right: -1px; border-top: 2px solid; border-right: 2px solid; }
.crop-bl { bottom: -1px; left: -1px; border-bottom: 2px solid; border-left: 2px solid; }
.crop-br { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; }

.concept-rail {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: clamp(28px, 5.5vw, 92px);
  width: min(228px, 24vw);
  transform: translateY(-50%);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(90deg, rgba(237, 242, 245, 0.91), rgba(237, 242, 245, 0.66) 82%, transparent);
  backdrop-filter: blur(2px);
  pointer-events: none;
}

.concept-rail article {
  min-height: 78px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px 8px 10px 0;
  border-bottom: 1px solid var(--line);
  transition: color 250ms ease, transform 400ms var(--ease);
}

.concept-rail article:last-child {
  border-bottom: 0;
}

.axis-index {
  align-self: stretch;
  display: grid;
  place-items: center;
  color: var(--blue);
  font: italic 700 20px / 1 var(--serif);
  border-right: 1px solid var(--line);
}

.concept-rail p {
  margin: 0;
  color: var(--muted);
  font: 500 clamp(9px, 0.8vw, 11px) / 1.28 var(--sans);
  letter-spacing: 0.025em;
}

.concept-rail strong {
  color: var(--blue-dark);
  font-family: var(--serif);
  font-size: 1.25em;
}

body[data-phase="computer"] .concept-rail [data-axis="computer"],
body[data-phase="gesture"] .concept-rail [data-axis="gesture"],
body[data-phase="sign"] .concept-rail [data-axis="sign"] {
  color: var(--red);
  transform: translateX(5px);
}

body[data-phase="computer"] .concept-rail [data-axis="computer"] .axis-index,
body[data-phase="gesture"] .concept-rail [data-axis="gesture"] .axis-index,
body[data-phase="sign"] .concept-rail [data-axis="sign"] .axis-index,
body[data-phase="computer"] .concept-rail [data-axis="computer"] strong,
body[data-phase="gesture"] .concept-rail [data-axis="gesture"] strong,
body[data-phase="sign"] .concept-rail [data-axis="sign"] strong {
  color: var(--red);
}

.process-readout {
  position: absolute;
  z-index: 5;
  right: clamp(28px, 5.5vw, 92px);
  top: clamp(24px, 4vw, 58px);
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 0;
  color: var(--blue-dark);
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.process-readout > div {
  display: grid;
  gap: 4px;
  min-width: 74px;
  padding: 8px 10px 7px;
  border-right: 1px solid var(--line);
}

.process-readout > div:last-child {
  border-right: 0;
}

.process-readout span {
  color: var(--muted);
  font: 700 7px / 1 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.process-readout strong {
  font: 500 12px / 1 var(--mono);
  letter-spacing: 0.04em;
}

#paletteText {
  color: var(--red);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.gesture-hint {
  position: absolute;
  z-index: 5;
  right: clamp(28px, 5.5vw, 92px);
  bottom: clamp(24px, 4vw, 58px);
  margin: 0;
  color: var(--muted);
  font: italic 11px / 1.2 var(--serif);
  letter-spacing: 0.02em;
  pointer-events: none;
  transition: opacity 500ms ease;
}

.gesture-hint.used {
  opacity: 0;
}

.intro-card {
  position: absolute;
  z-index: 10;
  top: 50%;
  left: 56%;
  width: min(440px, calc(100vw - 48px));
  transform: translate(-50%, -50%);
  padding: clamp(24px, 4vw, 48px);
  background: rgba(237, 242, 245, 0.94);
  border: 1px solid var(--line-strong);
  box-shadow: 22px 24px 0 rgba(24, 71, 102, 0.08);
  backdrop-filter: blur(12px);
  cursor: default;
  transition: opacity 500ms ease, transform 700ms var(--ease), visibility 500ms;
}

.intro-card::before {
  content: "";
  position: absolute;
  width: 46px;
  height: 3px;
  top: -2px;
  left: 28px;
  background: var(--red);
}

.intro-card.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, calc(-50% + 24px));
  pointer-events: none;
}

.intro-kicker {
  margin: 0 0 12px;
  color: var(--red);
}

.intro-card h2 {
  margin: 0;
  color: var(--blue-dark);
  font: 700 clamp(30px, 4vw, 52px) / 0.98 var(--serif);
  letter-spacing: -0.02em;
}

.intro-card > p:not(.intro-kicker) {
  max-width: 36em;
  margin: 20px 0 24px;
  color: var(--ink);
  font: 400 14px / 1.5 var(--sans);
}

.intro-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 13px 18px;
}

.primary-btn,
.secondary-btn,
.text-btn {
  appearance: none;
  cursor: pointer;
}

.primary-btn {
  border: 1px solid var(--blue-dark);
  background: var(--blue-dark);
  color: white;
  padding: 11px 15px;
  font: 700 10px / 1 var(--sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.primary-btn:hover {
  background: var(--red);
  border-color: var(--red);
}

.secondary-btn {
  border: 1px solid var(--blue-dark);
  background: transparent;
  color: var(--blue-dark);
  padding: 11px 15px;
  font: 700 10px / 1 var(--sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.secondary-btn:hover {
  background: rgba(24, 71, 102, 0.1);
}

.text-btn {
  padding: 5px 0;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  color: var(--blue-dark);
  font: 500 10px / 1 var(--sans);
  letter-spacing: 0.05em;
}

.notice {
  position: absolute;
  z-index: 12;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 12px);
  max-width: min(520px, calc(100% - 40px));
  padding: 8px 12px;
  color: white;
  background: var(--blue-dark);
  font: 700 9px / 1.35 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 200ms ease, transform 300ms var(--ease), visibility 200ms;
}

.notice.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.control-deck {
  min-height: 88px;
  display: flex;
  align-items: stretch;
  gap: 0;
  border-top: 1px solid var(--line-strong);
  background: rgba(237, 242, 245, 0.98);
  position: relative;
  z-index: 20;
}

.control-group {
  display: flex;
  align-items: center;
  align-content: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 24px 14px 10px;
  border-right: 1px solid var(--line);
  position: relative;
}

.main-controls {
  flex: 1 1 380px;
}

.recorder-controls {
  flex: 0 1 auto;
}

.sliders {
  flex: 0 1 230px;
  gap: 8px 14px;
  padding-top: 21px;
}

.utility-controls {
  flex: 0 0 auto;
}

.group-label {
  position: absolute;
  top: 8px;
  left: 14px;
  color: var(--blue);
  pointer-events: none;
}

.control-btn {
  appearance: none;
  min-height: 29px;
  padding: 6px 9px 5px;
  border: 1px solid rgba(24, 71, 102, 0.46);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.2);
  color: var(--blue-dark);
  font: 700 8px / 1 var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 130ms ease, color 130ms ease, border-color 130ms ease;
}

.control-btn:hover:not(:disabled),
.control-btn.active {
  color: white;
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.control-btn.accent {
  color: var(--red);
  border-color: rgba(207, 80, 58, 0.65);
}

.control-btn.accent:hover:not(:disabled),
.control-btn.recording {
  color: white;
  border-color: var(--red);
  background: var(--red);
}

.control-btn:disabled {
  opacity: 0.28;
  cursor: default;
}

.control-btn.square {
  min-width: 31px;
  padding-inline: 8px;
  font-size: 14px;
}

.sliders label {
  display: grid;
  gap: 4px;
  min-width: 92px;
  color: var(--muted);
  font: 700 7px / 1 var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

input[type="range"] {
  width: 96px;
  height: 12px;
  margin: 0;
  accent-color: var(--red);
  cursor: ew-resize;
}

.session-status {
  position: absolute;
  right: 12px;
  bottom: 5px;
  display: flex;
  gap: 12px;
  color: var(--muted);
  font: 500 8px / 1 var(--mono);
  letter-spacing: 0.04em;
}

#player {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.info-panel {
  position: fixed;
  z-index: 60;
  top: 0;
  right: 0;
  width: min(500px, 100%);
  height: 100dvh;
  overflow-y: auto;
  padding: clamp(34px, 7vw, 76px) clamp(28px, 6vw, 64px);
  background: #f6f8f9;
  border-left: 1px solid var(--line-strong);
  box-shadow: -28px 0 70px rgba(19, 32, 42, 0.14);
  transform: translateX(102%);
  transition: transform 600ms var(--ease);
}

.info-panel.open {
  transform: translateX(0);
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 34px;
  height: 34px;
  font: 300 26px / 1 var(--sans);
}

.panel-kicker {
  margin: 0 0 13px;
  color: var(--red);
}

.info-panel h2 {
  margin: 0 0 22px;
  color: var(--blue-dark);
  font: 700 clamp(30px, 4vw, 46px) / 1.02 var(--serif);
}

.info-panel > p:not(.panel-kicker):not(.credit) {
  color: #344b5b;
  font: 400 14px / 1.55 var(--sans);
}

.info-panel dl {
  margin: 32px 0;
  border-top: 1px solid var(--line-strong);
}

.info-panel dl > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.info-panel dt {
  color: var(--blue-dark);
  font: 700 18px / 1 var(--serif);
}

.info-panel dd {
  margin: 0;
  color: #344b5b;
  font: 400 13px / 1.45 var(--sans);
}

.panel-note {
  padding-left: 16px;
  border-left: 3px solid var(--red);
  font-style: italic !important;
}

.credit {
  margin-top: 38px;
  color: var(--blue);
  font: 700 9px / 1 var(--sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-scrim {
  position: fixed;
  z-index: 50;
  inset: 0;
  background: rgba(19, 32, 42, 0.22);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 350ms ease;
}

.panel-scrim.visible {
  opacity: 1;
}

.fullscreen-exit {
  display: none;
  position: fixed;
  z-index: 100;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  width: 42px;
  height: 42px;
  place-items: center;
  padding: 0 0 3px;
  border: 1px solid rgba(237, 242, 245, 0.72);
  border-radius: 50%;
  background: rgba(19, 32, 42, 0.76);
  color: #fff;
  box-shadow: 0 7px 24px rgba(19, 32, 42, 0.2);
  backdrop-filter: blur(8px);
  font: 300 28px / 1 var(--sans);
  cursor: pointer;
}

.fullscreen-exit:hover,
.fullscreen-exit:focus-visible {
  background: var(--red);
  border-color: var(--red);
}

body.fullscreen-mode .fullscreen-exit {
  display: grid;
}

body.presentation-fallback {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
}

body.presentation-fallback .app-shell {
  position: fixed;
  z-index: 1;
  inset: 0;
  width: 100vw;
  height: 100dvh;
}

body.fullscreen-mode .app-shell {
  width: 100vw;
  height: 100dvh;
  grid-template-rows: 0 minmax(0, 1fr) 0;
}

body.fullscreen-mode .stage {
  position: fixed;
  z-index: 0;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: none;
}

body.fullscreen-mode #bgCanvas,
body.fullscreen-mode #fxCanvas {
  width: 100vw;
  height: 100dvh;
}

body.fullscreen-mode .masthead,
body.fullscreen-mode .control-deck {
  position: fixed;
  left: 0;
  right: 0;
  opacity: 0.9;
  transition: opacity 280ms ease;
}

body.fullscreen-mode .masthead {
  top: 0;
}

body.fullscreen-mode .control-deck {
  bottom: 0;
}

body.fullscreen-mode {
  --fullscreen-header-safe: 84px;
  --fullscreen-footer-safe: 88px;
}

body.fullscreen-mode .header-actions {
  padding-right: 78px;
}

body.fullscreen-mode .score-frame {
  top: calc(var(--fullscreen-header-safe) + 16px);
  bottom: calc(var(--fullscreen-footer-safe) + 16px);
}

body.fullscreen-mode .process-readout {
  top: calc(var(--fullscreen-header-safe) + 18px);
}

body.fullscreen-mode .gesture-hint,
body.fullscreen-mode .notice {
  bottom: calc(var(--fullscreen-footer-safe) + 22px);
}

body.fullscreen-mode .masthead:hover,
body.fullscreen-mode .control-deck:hover,
body.fullscreen-mode.controls-visible .masthead,
body.fullscreen-mode.controls-visible .control-deck {
  opacity: 1;
}

body.fullscreen-mode .concept-rail,
body.fullscreen-mode .process-readout,
body.fullscreen-mode .gesture-hint {
  opacity: 0.9;
  transition: opacity 280ms ease;
}

body.fullscreen-mode .stage:hover .concept-rail,
body.fullscreen-mode .stage:hover .process-readout {
  opacity: 1;
}

@media (min-width: 1280px) {
  body.fullscreen-mode {
    --fullscreen-header-safe: 100px;
    --fullscreen-footer-safe: 108px;
  }

  .masthead {
    min-height: 100px;
    grid-template-columns: minmax(220px, 0.8fr) minmax(430px, 1.7fr) minmax(230px, 0.8fr);
  }

  .edition-mark {
    gap: 17px;
    padding: 15px 28px;
  }

  .edition-number {
    font-size: clamp(42px, 3vw, 58px);
  }

  .edition-label,
  .eyebrow,
  .group-label,
  .intro-kicker,
  .panel-kicker {
    font-size: 11px;
    line-height: 1.25;
  }

  .identity {
    padding: 13px 30px 11px;
  }

  .identity h1 {
    font-size: clamp(34px, 2.35vw, 48px);
  }

  .subtitle {
    margin-top: 7px !important;
    font-size: 12px;
  }

  .header-actions {
    gap: 19px;
    padding: 15px 28px;
  }

  .live-state {
    font-size: 11px;
  }

  .state-light {
    width: 9px;
    height: 9px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
    font-size: 21px;
  }

  .concept-rail {
    width: min(292px, 23vw);
  }

  .concept-rail article {
    min-height: 96px;
    grid-template-columns: 42px 1fr;
    gap: 13px;
    padding: 13px 11px 13px 0;
  }

  .axis-index {
    font-size: 26px;
  }

  .concept-rail p {
    font-size: clamp(12px, 0.8vw, 15px);
    line-height: 1.35;
  }

  .process-readout > div {
    min-width: 92px;
    gap: 6px;
    padding: 11px 13px 10px;
  }

  .process-readout span {
    font-size: 9px;
  }

  .process-readout strong {
    font-size: 15px;
  }

  #paletteText {
    font-size: 12px;
  }

  .gesture-hint {
    font-size: 15px;
  }

  .intro-card {
    width: min(540px, calc(100vw - 64px));
  }

  .intro-card > p:not(.intro-kicker) {
    font-size: 17px;
  }

  .primary-btn,
  .secondary-btn,
  .text-btn {
    font-size: 12px;
  }

  .notice {
    font-size: 11px;
  }

  .control-deck {
    min-height: 108px;
  }

  .control-group {
    gap: 8px;
    padding: 31px 18px 13px;
  }

  .group-label {
    top: 10px;
    left: 18px;
  }

  .control-btn {
    min-height: 36px;
    padding: 8px 12px 7px;
    font-size: 10px;
  }

  .control-btn.square {
    min-width: 38px;
    font-size: 17px;
  }

  .sliders {
    flex-basis: 280px;
    gap: 10px 18px;
    padding-top: 28px;
  }

  .sliders label {
    min-width: 116px;
    font-size: 9px;
  }

  input[type="range"] {
    width: 120px;
    height: 16px;
  }

  .session-status {
    right: 16px;
    bottom: 7px;
    font-size: 10px;
  }
}

@media (min-width: 1900px) {
  .concept-rail {
    width: min(330px, 22vw);
  }

  .concept-rail article {
    min-height: 108px;
  }

  .concept-rail p {
    font-size: 16px;
  }

  .process-readout > div {
    min-width: 106px;
    padding: 13px 15px 12px;
  }

  .process-readout span,
  .sliders label {
    font-size: 10px;
  }

  .process-readout strong {
    font-size: 17px;
  }

  #paletteText,
  .primary-btn,
  .secondary-btn,
  .text-btn {
    font-size: 13px;
  }

  .gesture-hint {
    font-size: 17px;
  }

  .control-btn {
    font-size: 11px;
  }
}

@media (max-width: 1120px) {
  body.fullscreen-mode {
    --fullscreen-footer-safe: 140px;
  }

  .masthead {
    grid-template-columns: 170px 1fr 190px;
  }

  .control-deck {
    flex-wrap: wrap;
    padding-bottom: 16px;
  }

  .main-controls,
  .recorder-controls {
    flex: 1 1 50%;
  }

  .sliders {
    flex: 1 1 auto;
  }
}

@media (max-width: 760px) {
  body.fullscreen-mode {
    --fullscreen-header-safe: 70px;
    --fullscreen-footer-safe: 40dvh;
  }

  body.fullscreen-mode .header-actions {
    padding-right: 58px;
  }

  body.fullscreen-mode .process-readout {
    top: calc(var(--fullscreen-header-safe) + 12px);
  }

  body.fullscreen-mode .concept-rail {
    bottom: calc(var(--fullscreen-footer-safe) + 14px);
  }

  .masthead {
    min-height: 70px;
    grid-template-columns: 72px 1fr 48px;
  }

  .edition-mark {
    justify-content: center;
    padding: 8px;
    border-right: 1px solid var(--line);
  }

  .edition-number {
    font-size: 28px;
  }

  .edition-label,
  .live-state {
    display: none;
  }

  .identity {
    padding: 9px 12px;
  }

  .eyebrow {
    font-size: 7px;
  }

  .identity h1 {
    font-size: clamp(18px, 5.5vw, 26px);
  }

  .subtitle {
    font-size: 7px;
  }

  .header-actions {
    padding: 8px;
    border-left: 0;
  }

  .concept-rail {
    top: auto;
    left: 20px;
    right: 20px;
    bottom: 18px;
    width: auto;
    transform: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(237, 242, 245, 0.84);
  }

  .concept-rail article {
    min-height: 58px;
    display: block;
    padding: 9px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .concept-rail article:last-child {
    border-right: 0;
  }

  .axis-index {
    display: none;
  }

  .concept-rail p {
    font-size: 8px;
  }

  .process-readout {
    right: 20px;
    top: 18px;
  }

  .process-readout > div {
    min-width: 52px;
    padding: 6px 7px;
  }

  .process-readout > div:last-child {
    min-width: 76px;
  }

  .gesture-hint {
    display: none;
  }

  .intro-card {
    left: 50%;
    width: min(390px, calc(100vw - 40px));
    padding: 26px;
    box-shadow: 12px 14px 0 rgba(24, 71, 102, 0.08);
  }

  .intro-card h2 {
    font-size: clamp(28px, 10vw, 42px);
  }

  .intro-card > p:not(.intro-kicker) {
    font-size: 12px;
  }

  .control-deck {
    max-height: 40dvh;
    overflow-y: auto;
  }

  .control-group {
    padding: 23px 9px 8px;
  }

  .main-controls,
  .recorder-controls,
  .sliders {
    flex: 1 1 100%;
  }

  .main-controls,
  .recorder-controls {
    justify-content: flex-start;
  }

  .utility-controls {
    flex: 1 1 auto;
  }

  .group-label {
    left: 9px;
  }

  .session-status {
    right: 8px;
    bottom: 4px;
  }
}

@media (max-height: 700px) and (min-width: 761px) {
  body.fullscreen-mode {
    --fullscreen-header-safe: 70px;
    --fullscreen-footer-safe: 74px;
  }

  .masthead {
    min-height: 70px;
  }

  .identity h1 {
    font-size: 25px;
  }

  .control-deck {
    min-height: 74px;
  }

  .control-group {
    padding-top: 21px;
    padding-bottom: 7px;
  }

  .concept-rail article {
    min-height: 62px;
  }
}

@media (max-height: 700px) and (min-width: 761px) and (max-width: 1120px) {
  body.fullscreen-mode {
    --fullscreen-footer-safe: 130px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}