:root {
  --bg: #07090b;
  --bg-deep: #050608;
  --panel: #0b0e11;
  --panel-high: #0f1316;
  --ink: #dbe4e0;
  --muted: #77837e;
  --faint: #454e4b;
  --line: rgba(214, 232, 226, 0.09);
  --line-strong: rgba(214, 232, 226, 0.18);
  --accent: #5fe8c4;
  --accent-soft: color-mix(in oklab, var(--accent) 55%, transparent);
  --accent-glow: color-mix(in oklab, var(--accent) 22%, transparent);
  --brass: #e8c46b;
  --point: #fff3d6;
  --blue: #7db4ff;
  --violet: #c79bff;
  --orange: #ffb86b;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  color-scheme: dark;
}

body {
  display: flex;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% -8%, var(--accent-glow), transparent 34rem),
    var(--bg);
  flex-direction: column;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

/* Header */

.masthead {
  position: relative;
  z-index: 50;
  display: flex;
  height: 58px;
  padding: 0 clamp(16px, 2.5vw, 32px);
  border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
  align-items: center;
  gap: clamp(18px, 3vw, 44px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: block;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  background: url("favicon.svg") center / 175% no-repeat;
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--violet) 38%, transparent));
}

.brand-mark i {
  display: none;
}

.tabs {
  display: flex;
  align-self: stretch;
  margin-right: auto;
}

.tools-nav {
  min-width: 0;
}

.tools-menu {
  position: relative;
  z-index: 60;
  display: flex;
  height: 100%;
  align-items: stretch;
}

.tools-menu-trigger {
  display: grid;
  min-width: 210px;
  height: 100%;
  padding: 0 13px;
  border-right: 1px solid transparent;
  border-left: 1px solid transparent;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  align-content: center;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 18px;
  list-style: none;
}

.tools-menu-trigger::-webkit-details-marker {
  display: none;
}

.tools-menu-trigger:hover,
.tools-menu[open] .tools-menu-trigger {
  border-color: var(--line);
  color: var(--ink);
  background: color-mix(in oklab, var(--panel-high) 76%, transparent);
}

.tools-menu-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1;
  text-transform: uppercase;
}

.tools-menu-current {
  margin-top: 4px;
  overflow: hidden;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.045em;
  line-height: 1.2;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.tools-menu-chevron {
  display: grid;
  width: 20px;
  height: 20px;
  grid-column: 2;
  grid-row: 1 / -1;
  align-self: center;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  place-items: center;
  font-size: 13px;
  line-height: 1;
  transition: transform 150ms ease;
}

.tools-menu-chevron::before {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
}

.tools-menu[open] .tools-menu-chevron {
  transform: rotate(180deg);
}

.tools-menu-panel {
  position: fixed;
  z-index: 70;
  top: 57px;
  left: clamp(12px, 2.5vw, 32px);
  display: grid;
  width: min(620px, calc(100vw - 24px));
  max-height: min(70dvh, 520px);
  padding: 12px;
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--accent) 4%, transparent), transparent 45%),
    color-mix(in oklab, var(--bg-deep) 96%, transparent);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.48);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  overscroll-behavior: contain;
}

.tools-menu-group {
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 84%, transparent);
}

.tools-menu-heading {
  margin: 0;
  padding: 1px 7px 8px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1.35;
  text-transform: uppercase;
}

.tools-menu-link {
  position: relative;
  display: flex;
  min-height: 40px;
  padding: 0 8px;
  color: color-mix(in oklab, var(--ink) 72%, var(--muted));
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
}

.tools-menu-link + .tools-menu-link {
  border-top: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
}

.tools-menu-link:hover {
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 5%, transparent);
}

.tools-menu-link[aria-current="page"] {
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

.tools-menu-link[aria-current="page"]::after {
  color: var(--accent);
  content: "current";
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.mobile-instrument-nav {
  display: none;
  min-width: 0;
}

.mobile-instrument-select {
  width: 100%;
  height: 36px;
  padding: 0 28px 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--accent);
  background: var(--bg-deep);
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tab {
  position: relative;
  display: flex;
  min-width: clamp(58px, 6.2vw, 84px);
  padding: 0 clamp(7px, 1vw, 14px);
  color: var(--muted);
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.09em;
  text-decoration: none;
}

.tab:hover {
  color: var(--ink);
}

.tab.active {
  color: var(--accent);
}

.micmic-tab,
.throatazoid-tab,
.morphazoidical-tab {
  min-width: 82px;
  font-size: 10px;
  letter-spacing: 0.05em;
}

.throatazoid-tab {
  min-width: 88px;
  font-size: 9px;
  letter-spacing: 0.035em;
}

.morphazoidical-tab {
  min-width: 112px;
  font-size: 9px;
  letter-spacing: 0.025em;
}

.tab::after {
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-soft);
  content: "";
  opacity: 0;
}

.tab.active::after {
  opacity: 1;
}

.edition {
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.2em;
  white-space: nowrap;
}

/* Workspace */

.shell {
  display: grid;
  min-height: 0;
  flex: 1 1 auto;
  grid-template-columns: minmax(0, 1fr) clamp(320px, 24vw, 370px);
}

.stage {
  display: flex;
  min-width: 0;
  min-height: 0;
  border-right: 1px solid var(--line);
  flex-direction: column;
}

.stage-wrap {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  flex: 1 1 auto;
  background:
    linear-gradient(rgba(214, 232, 226, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 232, 226, 0.028) 1px, transparent 1px),
    radial-gradient(circle at 50% 48%, rgba(95, 232, 196, 0.045), transparent 37%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

#stage {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 380px;
  cursor: ew-resize;
  touch-action: none;
}

.stage-wrap.is-spinning #stage {
  cursor: grabbing;
}

#stage:focus-visible {
  outline-offset: -5px;
}

.stage-meta {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 18px;
  left: 18px;
  display: flex;
  pointer-events: none;
  color: var(--muted);
  justify-content: flex-end;
  gap: 20px;
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.probe-meta {
  position: absolute;
  z-index: 2;
  bottom: 16px;
  left: 18px;
  display: flex;
  pointer-events: none;
  color: var(--muted);
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.probe-meta i {
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
}

.lattice-page {
  --accent: #ffb86b;
  --accent-soft: color-mix(in oklab, #ffb86b 55%, transparent);
  --accent-glow: color-mix(in oklab, #ffb86b 22%, transparent);
}

.spiral-page {
  --accent: #ff826f;
  --accent-soft: color-mix(in oklab, #ff826f 55%, transparent);
  --accent-glow: color-mix(in oklab, #ff826f 22%, transparent);
}

.spiral-page .stage-wrap {
  background:
    linear-gradient(rgba(95, 232, 196, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 180, 255, 0.024) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(255, 130, 111, 0.07), transparent 48%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.spiral-page #stage {
  cursor: crosshair;
}

.spiral-page .stage-wrap.is-scrubbing #stage {
  cursor: grabbing;
}

.spiral-coordinate-meta {
  position: absolute;
  z-index: 2;
  bottom: 16px;
  left: 18px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  pointer-events: none;
  color: #ffb86b;
  background: color-mix(in oklab, var(--bg-deep) 88%, transparent);
  font-size: 9px;
  letter-spacing: 0;
}

.spiral-time-switch {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-flow: initial;
}

.spiral-winding-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.solid-page {
  --accent: #7db4ff;
  --accent-soft: color-mix(in oklab, #7db4ff 55%, transparent);
  --accent-glow: color-mix(in oklab, #7db4ff 22%, transparent);
}

.hyper-page {
  --accent: #c79bff;
  --accent-soft: color-mix(in oklab, #c79bff 55%, transparent);
  --accent-glow: color-mix(in oklab, #c79bff 22%, transparent);
}

.l-system-page {
  --accent: #75ef9d;
  --accent-soft: color-mix(in oklab, #75ef9d 55%, transparent);
  --accent-glow: color-mix(in oklab, #75ef9d 22%, transparent);
}

.julia-page {
  --accent: #ff7aa6;
  --accent-soft: color-mix(in oklab, #ff7aa6 55%, transparent);
  --accent-glow: color-mix(in oklab, #ff7aa6 22%, transparent);
  --turn-left: #5fe8c4;
  --turn-right: #ffb86b;
}

.julia-page .stage-wrap {
  background:
    linear-gradient(color-mix(in oklab, var(--accent) 2.5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--accent) 2.5%, transparent) 1px, transparent 1px),
    radial-gradient(ellipse at 50% 48%, var(--accent-glow), transparent 48%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.julia-page #stage {
  cursor: crosshair;
}

.julia-page .stage-wrap.is-panning #stage {
  cursor: grabbing;
}

.julia-turn-meta {
  min-width: 0;
  padding: 5px 8px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg-deep) 88%, transparent);
}

.julia-turn-meta i {
  background: var(--muted);
}

.julia-turn-meta.is-left {
  color: var(--turn-left);
}

.julia-turn-meta.is-left i {
  border-color: var(--turn-left);
  background: var(--turn-left);
  box-shadow: 0 0 9px color-mix(in oklab, var(--turn-left) 55%, transparent);
}

.julia-turn-meta.is-right {
  color: var(--turn-right);
}

.julia-turn-meta.is-right i {
  border-color: var(--turn-right);
  background: var(--turn-right);
  box-shadow: 0 0 9px color-mix(in oklab, var(--turn-right) 55%, transparent);
}

.turn-rule-card code {
  font-variant-numeric: tabular-nums;
}

.l-system-page .stage-wrap {
  background:
    linear-gradient(color-mix(in oklab, var(--accent) 3%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--accent) 3%, transparent) 1px, transparent 1px),
    radial-gradient(ellipse at 34% 50%, var(--accent-glow), transparent 48%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.l-system-page #stage {
  cursor: default;
}

.solid-page .stage-wrap,
.hyper-page .stage-wrap {
  background:
    linear-gradient(color-mix(in oklab, var(--accent) 3%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--accent) 3%, transparent) 1px, transparent 1px),
    radial-gradient(circle at 50% 48%, var(--accent-glow), transparent 42%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.solid-page #stage,
.hyper-page #stage {
  cursor: grab;
}

.solid-page .stage-wrap.is-surface-target #stage {
  cursor: move;
}

.solid-page .stage-wrap.is-spinning #stage {
  cursor: grabbing;
}

.solid-target-switch {
  position: absolute;
  z-index: 3;
  bottom: 16px;
  left: 18px;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: color-mix(in oklab, var(--bg-deep) 92%, transparent);
  grid-template-columns: repeat(2, 64px);
}

.solid-target-switch button {
  min-width: 0;
  min-height: 30px;
  padding: 0 8px;
  border: 0;
  border-radius: 0;
  color: var(--muted);
  background: transparent;
  font-size: 9px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.solid-target-switch button + button {
  border-left: 1px solid var(--line-strong);
}

.solid-target-switch button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--accent-glow);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.solid-target-switch button:hover,
.solid-target-switch button:focus-visible {
  color: var(--accent);
}

.solid-page .probe-meta i,
.hyper-page .probe-meta i {
  width: 16px;
  height: 10px;
  border-radius: 0;
  transform: skewY(-18deg);
}

.direction-action {
  width: 100%;
  margin: 0 0 10px;
}

.lattice-page .stage-wrap {
  background:
    linear-gradient(rgba(255, 184, 107, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 184, 107, 0.024) 1px, transparent 1px),
    radial-gradient(circle at 50% 48%, rgba(255, 184, 107, 0.055), transparent 40%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.lattice-page #stage {
  cursor: crosshair;
}

.lattice-page .probe-meta i {
  width: 18px;
  height: 1px;
  border: 0;
  border-top: 1px solid var(--accent);
  border-radius: 0;
}

.lumber-page {
  --accent: #e8c46b;
  --accent-soft: color-mix(in oklab, #e8c46b 55%, transparent);
  --accent-glow: color-mix(in oklab, #e8c46b 22%, transparent);
}

.lumber-page #loopSection {
  --accent: #e8c46b;
  --accent-soft: color-mix(in oklab, #e8c46b 55%, transparent);
  --accent-glow: color-mix(in oklab, #e8c46b 20%, transparent);
}

.lumber-page #ringSection {
  --accent: #5fe8c4;
  --accent-soft: color-mix(in oklab, #5fe8c4 55%, transparent);
  --accent-glow: color-mix(in oklab, #5fe8c4 22%, transparent);
}

.lumber-page #shapeSection {
  --accent: #c79bff;
  --accent-soft: color-mix(in oklab, #c79bff 55%, transparent);
  --accent-glow: color-mix(in oklab, #c79bff 20%, transparent);
}

.lumber-page #advancedSection {
  --accent: #7db4ff;
  --accent-soft: color-mix(in oklab, #7db4ff 55%, transparent);
  --accent-glow: color-mix(in oklab, #7db4ff 22%, transparent);
}

.lumber-page #effectsSection {
  --accent: #ff826f;
  --accent-soft: color-mix(in oklab, #ff826f 55%, transparent);
  --accent-glow: color-mix(in oklab, #ff826f 20%, transparent);
}

.lumber-page #depthSection {
  --accent: #ffb86b;
  --accent-soft: color-mix(in oklab, #ffb86b 55%, transparent);
  --accent-glow: color-mix(in oklab, #ffb86b 20%, transparent);
}

.lumber-page .stage-wrap {
  background:
    linear-gradient(rgba(232, 196, 107, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 196, 107, 0.022) 1px, transparent 1px),
    radial-gradient(circle at 50% 48%, rgba(232, 196, 107, 0.06), transparent 39%),
    var(--bg-deep);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.lumber-page #stage {
  cursor: default;
}

.lumber-page .stage-wrap.is-shaping #stage {
  cursor: grabbing;
}

.lumber-page .stage-wrap.is-deforming #stage {
  cursor: ns-resize;
}

.lumber-page .probe-meta i {
  width: 10px;
  height: 10px;
  border-color: var(--accent);
  box-shadow: 0 0 9px var(--accent-glow);
}

.hyper-page #stage {
  cursor: grab;
}

.hyper-page .stage-wrap.is-spinning #stage {
  cursor: grabbing;
}

.lattice-control-block {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

.lattice-control-heading {
  display: flex;
  margin-bottom: 7px;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.lattice-control-heading b {
  color: var(--ink);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lattice-control-heading small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.lattice-control-block .control[hidden] {
  display: none;
}

.lattice-control-block input:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.tile-editor-panel {
  padding: 9px;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
}

.tile-editor-toolbar {
  display: grid;
  margin-top: 9px;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: 9px;
}

.tile-editor-toolbar .select-control {
  margin: 0;
  gap: 4px;
}

.tile-editor-toolbar .mini-action {
  min-height: 40px;
}

.tile-editor-canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  cursor: grab;
  background:
    linear-gradient(rgba(255, 184, 107, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 184, 107, 0.025) 1px, transparent 1px),
    #080b0d;
  background-size: 22px 22px;
  touch-action: none;
}

.tile-editor-canvas.is-dragging {
  cursor: grabbing;
}

.tile-editor-legend {
  display: flex;
  margin-top: 8px;
  color: var(--muted);
  align-items: center;
  gap: 7px;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tile-editor-legend i {
  width: 8px;
  height: 8px;
  border: 1px solid #fff3d6;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-soft);
}

.lattice-form-body > .lattice-compact-control {
  margin-top: 10px;
}

.lattice-form-body .lattice-compact-control,
.lattice-form-body .lattice-control-block .control {
  grid-template-columns: minmax(116px, 0.9fr) minmax(112px, 1.1fr);
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.lattice-form-body .lattice-compact-control > span,
.lattice-form-body .lattice-control-block .control > span {
  margin-bottom: 0;
}

.lattice-reset-row {
  display: grid;
  margin: 14px 0 9px;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lattice-angle-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
}

.lattice-angle-control .mini-action {
  min-height: 32px;
  margin-bottom: 11px;
}

.axis-control-group {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.axis-control-group > .control {
  margin-bottom: 7px;
}

.axis-motion-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: end;
  gap: 8px;
}

.axis-motion-row .control {
  margin-bottom: 0;
}

.axis-play-button {
  display: grid;
  min-height: 40px;
  padding: 4px;
  place-content: center;
  gap: 1px;
}

.axis-play-button span {
  font-size: 10px;
}

.axis-play-button small {
  font-size: 7px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.axis-play-button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.lattice-reset-row .mini-action {
  min-height: 38px;
  padding-right: 7px;
  padding-left: 7px;
  white-space: normal;
}

.sine-voice {
  display: grid;
  margin: 0 0 16px;
  padding: 11px 12px;
  border-left: 2px solid var(--accent);
  background: var(--accent-glow);
  gap: 4px;
}

.sine-voice b {
  color: var(--ink);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sine-voice span {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}

.synth-panel {
  position: relative;
  margin: 14px 0 5px;
  padding: 5px 11px 1px;
  border-left: 1px solid var(--accent);
  background:
    linear-gradient(90deg, var(--accent-glow), transparent 72%),
    var(--bg-deep);
}

.synth-panel::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.synth-panel[hidden] {
  display: none;
}

.loop-transports {
  display: grid;
  margin-bottom: 15px;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.playhead-stepper.lumber-vertex-stepper {
  margin-top: 0;
}

.head-offset-controls {
  margin: 10px 0 4px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

.head-offset-controls .control {
  margin-bottom: 7px;
}

.ring-clear-row {
  display: grid;
  margin-bottom: 14px;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
}

.fx-ring-actions {
  display: grid;
  margin-bottom: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.fx-ring-actions .mini-action {
  min-width: 0;
}

.fx-rotation-row {
  margin: 0 0 14px;
}

.fx-ring-metrics {
  margin-bottom: 18px;
}

.ring-sync-all {
  grid-column: 1 / -1;
}

.active-ring-lead {
  display: flex;
  margin: 0 0 8px;
  color: var(--muted);
  align-items: baseline;
  justify-content: space-between;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.active-ring-lead output {
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-transform: none;
}

.ring-remove {
  width: 100%;
}

.ring-clear:hover,
.ring-clear:focus-visible {
  border-color: rgba(255, 130, 111, 0.6);
  color: #ff826f;
}

.ring-list {
  display: grid;
  margin: 0 0 7px;
  border-top: 1px solid var(--line);
}

.ring-list-row {
  display: grid;
  min-height: 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr) 32px 38px 38px repeat(3, 32px);
}

.ring-list-row > button {
  min-width: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
  color: var(--muted);
  background: var(--bg-deep);
  font-size: 8px;
  text-transform: uppercase;
}

.ring-list-row > button:first-child {
  display: grid;
  padding: 5px 8px;
  grid-template-columns: 9px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  text-align: left;
}

.ring-list-row > button:last-child {
  border-right: 0;
  font-size: 14px;
}

.ring-list-row > button:first-child > i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ring-row-color);
  box-shadow: 0 0 8px var(--ring-row-color);
}

.ring-list-row > button[data-ring-action="direction"] {
  font-size: 15px;
}

.ring-volume-control,
.ring-pan-control {
  position: relative;
  display: grid;
  border-right: 1px solid var(--line);
  cursor: ew-resize;
  background: var(--bg-deep);
  place-items: center;
}

.ring-pan-control::before,
.ring-pan-control::after {
  position: absolute;
  color: var(--faint);
  font: 500 6px/1 var(--mono);
}

.ring-pan-control::before {
  left: 2px;
  content: "L";
}

.ring-pan-control::after {
  right: 2px;
  content: "R";
}

.ring-volume-knob,
.ring-pan-knob {
  position: relative;
  display: block;
  width: 21px;
  height: 21px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #11171a 0 54%, transparent 57%),
    conic-gradient(from 225deg, var(--ring-row-color, var(--accent)) 0 270deg, #252c2f 270deg);
}

.ring-pan-knob {
  background:
    radial-gradient(circle at center, #11171a 0 54%, transparent 57%),
    conic-gradient(from 225deg, #252c2f 0 132deg, var(--ring-row-color, var(--accent)) 135deg 137deg, #252c2f 140deg 270deg);
}

.ring-volume-knob b,
.ring-pan-knob b {
  position: absolute;
  top: 2px;
  left: 9px;
  width: 1px;
  height: 7px;
  background: #fff3d6;
  box-shadow: 0 0 4px var(--ring-row-color, var(--accent));
  transform: rotate(var(--ring-volume-angle));
  transform-origin: 50% 8.5px;
}

.ring-pan-knob b {
  transform: rotate(var(--ring-pan-angle));
}

.ring-volume-control input,
.ring-pan-control input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: ew-resize;
  opacity: 0;
}

.ring-volume-control:has(input:focus-visible),
.ring-pan-control:has(input:focus-visible) {
  outline: 1px solid var(--accent);
  outline-offset: -2px;
}

.ring-list-row small {
  overflow: hidden;
  color: var(--faint);
  font-size: 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ring-list-row.active > button:first-child {
  color: var(--ink);
  background: var(--accent-glow);
}

.ring-list-row.solo {
  box-shadow: inset 2px 0 0 var(--ring-row-color, var(--accent));
}

.ring-list-row.solo > button[data-ring-action="solo"] {
  color: var(--ink);
  background: var(--accent-glow);
}

.ring-list-row > button:hover,
.ring-list-row > button:focus-visible {
  color: var(--accent);
}

.ring-list-row > button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.loop-transport {
  display: flex;
  min-width: 0;
  min-height: 60px;
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  color: var(--ink);
  background: var(--bg-deep);
  align-items: center;
  gap: 10px;
  text-align: left;
}

.loop-transport:hover,
.loop-transport:focus-visible {
  border-color: var(--accent-soft);
  background: var(--accent-glow);
}

.loop-transport > span:last-child {
  display: grid;
  min-width: 0;
  line-height: 1.2;
}

.loop-transport b {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loop-transport small {
  overflow: hidden;
  margin-top: 3px;
  color: var(--muted);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.loop-transport svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  fill: currentColor;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 2;
}

.loop-transport .transport-pause,
.loop-transport[aria-pressed="true"] .transport-play {
  display: none;
}

.loop-transport[aria-pressed="true"] .transport-pause {
  display: block;
}

.record-glyph {
  width: 14px;
  height: 14px;
  border: 1px solid #ff826f;
  border-radius: 50%;
  background: rgba(255, 130, 111, 0.16);
  box-shadow: 0 0 10px rgba(255, 130, 111, 0.18);
  flex: 0 0 14px;
}

.record-transport[aria-pressed="true"] {
  border-color: #ff826f;
  background: rgba(255, 130, 111, 0.09);
}

.record-transport[aria-pressed="true"] .record-glyph {
  border-radius: 1px;
  background: #ff826f;
  box-shadow: 0 0 12px rgba(255, 130, 111, 0.34);
}

.playback-transport[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  box-shadow: inset 0 0 12px var(--accent-glow);
}

.loop-transport:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.record-transport:disabled {
  cursor: wait;
}

.loop-metrics {
  display: grid;
  margin: 0 0 15px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.loop-metrics > div {
  min-width: 0;
  padding: 9px 8px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.loop-metrics dt {
  overflow: hidden;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.loop-metrics dd {
  overflow: hidden;
  margin: 0;
  color: var(--ink);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.audio-button,
.play-button,
.direction-toggle,
.head-marker,
.mini-action {
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  background: transparent;
}

.audio-strip {
  display: grid;
  min-width: 0;
  margin-left: auto;
  grid-template-columns: 78px minmax(96px, 140px);
  align-items: center;
  gap: 12px;
}

.audio-button {
  display: flex;
  width: 78px;
  min-width: 78px;
  height: 44px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  text-align: left;
}

.audio-glyph {
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
}

.audio-copy {
  display: grid;
  line-height: 1.15;
}

.audio-button b {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.audio-button small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 9px;
}

.audio-button:hover {
  border-color: var(--accent-soft);
}

.audio-button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--bg-deep);
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}

.audio-button[aria-pressed="true"] .audio-glyph {
  color: var(--bg-deep);
  text-shadow: none;
}

.audio-button[aria-pressed="true"] small {
  color: color-mix(in oklab, var(--bg-deep) 70%, transparent);
}

.audio-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.header-level {
  display: grid;
  height: 44px;
  min-width: 0;
  align-content: center;
}

.header-level > span {
  display: flex;
  color: var(--muted);
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: 8px;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.header-level b {
  font-weight: 500;
}

.header-level output {
  font-size: 8px;
  font-variant-numeric: tabular-nums;
}

.header-level input[type="range"] {
  height: 27px;
}

.play-button {
  display: grid;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  place-items: center;
}

.play-button svg {
  width: 19px;
  height: 19px;
  overflow: visible;
  fill: currentColor;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 2;
}

.transport-pause,
.play-button[aria-pressed="true"] .transport-play {
  display: none;
}

.play-button[aria-pressed="true"] .transport-pause {
  display: inline;
}

.play-button:hover,
.play-button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow), inset 0 0 8px var(--accent-glow);
}

.play-button[aria-pressed="true"] {
  color: var(--bg-deep);
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.control > span {
  display: flex;
  min-width: 0;
  margin-bottom: 3px;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.control output {
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Ranges keep a generous target while retaining Tessamorphisma's fine track. */

input[type="range"] {
  width: 100%;
  height: 40px;
  margin: 0;
  cursor: ew-resize;
  appearance: none;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 1px;
  background: var(--line-strong);
}

input[type="range"]::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  margin-top: -7px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 8px var(--accent-glow);
  appearance: none;
}

input[type="range"]::-moz-range-track {
  height: 1px;
  background: var(--line-strong);
}

input[type="range"]::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Control panel */

.panel {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  background: var(--panel);
  scrollbar-color: var(--faint) transparent;
  scrollbar-width: thin;
}

.reset-all-row {
  padding: 22px;
}

.reset-all-button {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  font: 600 10px/1 var(--mono);
  letter-spacing: 0;
  text-transform: uppercase;
}

.reset-all-button:hover,
.reset-all-button:focus-visible {
  border-color: #ff826f;
  color: #ffb2a8;
  background: rgba(255, 130, 111, 0.06);
}

.tactile-credit {
  margin: -8px 22px 22px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.tactile-credit a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 2px;
}

.tactile-credit a:hover,
.tactile-credit a:focus-visible {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.group {
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.control-section[data-section="play"] {
  --accent: #5fe8c4;
  --accent-soft: color-mix(in oklab, #5fe8c4 55%, transparent);
  --accent-glow: color-mix(in oklab, #5fe8c4 22%, transparent);
}

.control-section[data-section="form"] {
  --accent: #e8c46b;
  --accent-soft: color-mix(in oklab, #e8c46b 55%, transparent);
  --accent-glow: color-mix(in oklab, #e8c46b 20%, transparent);
}

.control-section[data-section="rotation"] {
  --accent: #ffb86b;
  --accent-soft: color-mix(in oklab, #ffb86b 55%, transparent);
  --accent-glow: color-mix(in oklab, #ffb86b 20%, transparent);
}

.control-section[data-section="winding"] {
  --accent: #ff826f;
  --accent-soft: color-mix(in oklab, #ff826f 55%, transparent);
  --accent-glow: color-mix(in oklab, #ff826f 20%, transparent);
}

.control-section[data-section="sound"] {
  --accent: #7db4ff;
  --accent-soft: color-mix(in oklab, #7db4ff 55%, transparent);
  --accent-glow: color-mix(in oklab, #7db4ff 22%, transparent);
}

.control-section[data-section="mapping"] {
  --accent: #c79bff;
  --accent-soft: color-mix(in oklab, #c79bff 55%, transparent);
  --accent-glow: color-mix(in oklab, #c79bff 20%, transparent);
}

.control-section[data-section="similarity"] {
  --accent: #5fe8c4;
  --accent-soft: color-mix(in oklab, #5fe8c4 55%, transparent);
  --accent-glow: color-mix(in oklab, #5fe8c4 20%, transparent);
}

.julia-similarity-actions {
  display: grid;
  margin: 4px 0 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.julia-similarity-actions .mini-action:first-child {
  grid-column: 1 / -1;
}

.julia-similarity-actions .mini-action:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.similarity-result-card > span {
  grid-template-columns: 70px minmax(0, 1fr);
}

.control-section[data-section="structure"] {
  --accent: #ffb86b;
  --accent-soft: color-mix(in oklab, #ffb86b 55%, transparent);
  --accent-glow: color-mix(in oklab, #ffb86b 20%, transparent);
}

.control-section[data-section="output"] {
  --accent: #ffb86b;
  --accent-soft: color-mix(in oklab, #ffb86b 55%, transparent);
  --accent-glow: color-mix(in oklab, #ffb86b 20%, transparent);
}

.grammar-card {
  display: grid;
  margin: 8px 0 16px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel-high) 86%, transparent);
}

.growth-parameter-note {
  display: block;
  margin: -7px 0 13px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}

.l-system-page input:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.grammar-card > span {
  display: grid;
  min-width: 0;
  padding: 9px 10px;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 8px;
}

.grammar-card > span + span {
  border-top: 1px solid var(--line);
}

.grammar-card b {
  color: var(--muted);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.grammar-card code {
  overflow-wrap: anywhere;
  color: var(--ink);
  font: 10px/1.45 var(--mono);
}

.structure-readout {
  display: flex;
  min-height: 31px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  background: var(--panel-high);
}

.structure-readout b {
  color: var(--muted);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.structure-readout output {
  overflow: hidden;
  color: var(--accent);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.structure-description {
  min-height: 2.8em;
  margin: 9px 0 6px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.45;
}

.group-summary {
  display: flex;
  min-height: 52px;
  padding: 0 22px;
  cursor: pointer;
  list-style: none;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: linear-gradient(90deg, var(--accent-glow), transparent 42%);
  box-shadow: inset 2px 0 0 var(--accent);
}

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

.group-summary::after {
  color: var(--accent);
  content: "+";
  font-size: 16px;
}

.control-section[open] > .group-summary {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--accent-glow), transparent 68%);
}

.control-section[open] > .group-summary::after {
  content: "−";
}

.static-group-summary {
  border-bottom: 1px solid var(--line);
  cursor: default;
  background: linear-gradient(90deg, var(--accent-glow), transparent 68%);
}

.static-group-summary::after {
  display: none;
}

.group-body {
  padding: 15px 22px 9px;
}

.group-title {
  margin: 0;
  color: var(--accent);
  font-size: 11px;
  font-variant-caps: all-small-caps;
  font-weight: 500;
  letter-spacing: 0.28em;
}

.section-state {
  overflow: hidden;
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.control {
  display: grid;
  margin: 0 0 11px;
  min-width: 0;
}

.control b,
.field-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.field-label.spaced {
  margin-top: 17px;
}

/* Immediate binary choices behave like a compact instrument rocker. */

.choice-switch {
  display: grid;
  margin: 6px 0 12px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 3px;
}

.choice-switch button {
  min-height: 40px;
  padding: 8px 7px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.choice-switch button:hover {
  color: var(--ink);
}

.choice-switch button:disabled {
  cursor: not-allowed;
  color: var(--faint);
  opacity: 0.55;
}

.choice-switch button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
  box-shadow: inset 0 0 10px var(--accent-glow);
}

.choice-switch.compact button {
  font-size: 9px;
}

.traversal-mode-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.traversal-mode-switch button > span[aria-hidden="true"] {
  font-size: 15px;
  line-height: 1;
}

.depth-effects {
  margin: 4px 0 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.depth-effect-row {
  display: grid;
  min-width: 0;
  padding: 8px 0 3px;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(58px, 0.7fr) minmax(92px, 1fr) minmax(104px, 1.15fr);
  align-items: center;
  gap: 7px;
}

.depth-effect-name {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.depth-effect-name b {
  color: var(--ink);
  font-size: 10px;
  font-weight: 500;
}

.depth-effect-name output {
  overflow: hidden;
  color: var(--muted);
  font-size: 8px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.depth-effect-row .choice-switch {
  margin: 0;
}

.depth-effect-row .choice-switch button {
  min-height: 32px;
  padding: 5px 4px;
}

.mode-control {
  margin-top: 7px;
}

.count-range-proxy {
  display: none !important;
}

.playhead-stepper {
  display: grid;
  min-height: 50px;
  margin: 7px 0 14px;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
  grid-template-columns: 50px minmax(0, 1fr) 50px;
  align-items: stretch;
}

.playhead-stepper > button {
  min-width: 50px;
  border-right: 1px solid var(--line);
  cursor: pointer;
  color: var(--accent);
  background: transparent;
  font-size: 23px;
  font-weight: 300;
}

.playhead-stepper > button:last-child {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.playhead-stepper > button:hover,
.playhead-stepper > button:focus-visible {
  background: var(--accent-glow);
  box-shadow: inset 0 0 14px var(--accent-glow);
}

.playhead-stepper > button:disabled {
  cursor: not-allowed;
  color: var(--faint);
  background: transparent;
  box-shadow: none;
}

.playhead-stepper > span {
  display: grid;
  padding: 7px 12px;
  place-content: center;
  text-align: center;
}

.playhead-stepper small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.playhead-stepper output {
  color: var(--ink);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.head-layout-control {
  margin: 10px 0 15px;
}

.head-layout-heading {
  display: flex;
  margin-bottom: 7px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mini-action {
  min-width: auto;
  min-height: 32px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.mini-action:hover {
  border-color: var(--accent-soft);
  color: var(--accent);
}

.head-layout-track {
  position: relative;
  height: 52px;
  margin: 0 15px;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  touch-action: none;
}

.head-layout-track::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.head-layout-track::after {
  position: absolute;
  top: calc(50% - 5px);
  left: 50%;
  width: 1px;
  height: 11px;
  background: var(--faint);
  content: "";
}

.head-layout-track.has-head-options {
  height: 76px;
}

.head-marker {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 30px;
  min-width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border: 1px solid var(--head-color, var(--accent));
  border-radius: 50%;
  color: var(--head-color, var(--accent));
  background: var(--bg-deep);
  box-shadow: 0 0 9px color-mix(in oklab, var(--head-color, var(--accent)) 25%, transparent);
  font-size: 8px;
  transform: translate(-50%, -50%);
  place-items: center;
  touch-action: none;
}

.head-marker:hover,
.head-marker:focus-visible {
  background: color-mix(in oklab, var(--head-color, var(--accent)) 14%, var(--bg-deep));
}

.head-option-toggle {
  position: absolute;
  z-index: 3;
  top: 9px;
  left: 50%;
  display: grid;
  width: 22px;
  min-width: 22px;
  height: 22px;
  min-height: 22px;
  padding: 0;
  border: 1px solid var(--head-color, var(--accent));
  border-radius: 50%;
  color: var(--head-color, var(--accent));
  background: var(--bg-deep);
  box-shadow: 0 0 7px color-mix(in oklab, var(--head-color, var(--accent)) 20%, transparent);
  font-size: 13px;
  line-height: 1;
  transform: translate(-50%, -50%);
  place-items: center;
}

.head-option-toggle[hidden] {
  display: none;
}

.head-option-toggle:hover,
.head-option-toggle:focus-visible,
.head-option-toggle[aria-pressed="true"] {
  background: color-mix(in oklab, var(--head-color, var(--accent)) 17%, var(--bg-deep));
}

.icon-choice {
  display: flex;
  gap: 7px;
}

.icon-choice button {
  display: grid;
  width: 46px;
  min-width: 46px;
  height: 42px;
  min-height: 42px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  place-content: center;
  gap: 1px;
}

.icon-choice button span {
  font-size: 16px;
  line-height: 1;
}

.icon-choice button small {
  font-size: 6px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.icon-choice button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.reset-form {
  width: 100%;
  margin: 0 0 9px;
}

.position-row {
  display: grid;
  margin-top: 8px;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: end;
  gap: 14px;
}

.loop-position-row {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.rotation-position-row {
  margin-top: 7px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.position-row .control {
  margin-bottom: 0;
}

.rate-control {
  margin: 10px 0 14px;
}

.rate-heading {
  display: flex;
  margin-bottom: 1px;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.rate-heading b {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.rate-heading output {
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}

.rate-row-single {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.transport-button-array {
  display: grid;
  grid-template-columns: repeat(3, 42px);
  align-items: stretch;
}

.transport-button-array > button {
  display: grid;
  width: 42px;
  min-width: 42px;
  height: 44px;
  min-height: 44px;
  padding: 2px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  align-content: center;
  justify-items: center;
}

.transport-button-array > button + button {
  border-left: 0;
}

.transport-button-array > button span {
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
}

.transport-button-array > button small {
  margin-top: 3px;
  font-size: 7px;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.transport-button-array > button:hover,
.transport-button-array > button:focus-visible,
.transport-button-array > button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.transport-button-array > button:hover span,
.transport-button-array > button:focus-visible span,
.transport-button-array > button[aria-pressed="true"] span {
  color: var(--accent);
}

.direction-toggle {
  display: grid;
  width: 52px;
  height: 44px;
  border: 1px solid var(--line-strong);
  padding: 2px;
  color: var(--muted);
  align-content: center;
  justify-items: center;
}

.transport-button-array .direction-toggle {
  width: 42px;
  min-width: 42px;
}

.direction-toggle span {
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
}

.direction-toggle small {
  margin-top: 3px;
  font-size: 8px;
  letter-spacing: 0.03em;
}

.direction-toggle:hover,
.direction-toggle:focus-visible {
  border-color: var(--accent-soft);
}

.direction-toggle:hover span,
.direction-toggle:hover small {
  color: var(--accent);
}

.direction-toggle span {
  text-shadow: 0 0 9px var(--accent-soft);
}

.conditional {
  margin-top: 12px;
  padding-left: 13px;
  border-left: 1px solid var(--accent-soft);
}

.motion-controls {
  margin-top: 5px;
}

.rotation-angle-row {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) 56px;
  align-items: center;
  gap: 10px;
}

.rotation-control label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.rotation-reset {
  min-width: 56px;
}

.form-topology-control {
  margin: 0 0 14px;
}

.mapping-dimension-control {
  margin: 0 0 14px;
}

.mapping-dimension-choice {
  margin-top: 5px;
}

.mapping-dimension-choice button {
  display: grid;
  grid-template-columns: auto auto;
  place-content: center;
  gap: 5px;
}

.mapping-dimension-choice button span {
  color: var(--accent);
  font-size: 14px;
}

.stereo-mapping-control {
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.stereo-direction-row {
  display: grid;
  margin-top: 7px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
}

.stereo-direction-row > small {
  color: var(--faint);
  font-size: 8px;
  line-height: 1.35;
}

.stereo-invert {
  display: inline-grid;
  min-width: 62px;
  min-height: 34px;
  grid-template-columns: auto auto;
  place-content: center;
  gap: 5px;
}

.stereo-invert[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.mapping-coordinate-note {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mapping-source-help {
  line-height: 1.35;
  letter-spacing: 0.01em;
  text-transform: none;
}

.mapping-curve-control {
  margin: 0 0 15px;
}

.mapping-curve-heading,
.curve-editor-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.mapping-curve-heading output {
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.curve-preset-strip {
  display: grid;
  margin-top: 5px;
  grid-template-columns: repeat(5, 1fr);
}

.curve-preset-strip button {
  min-width: 0;
  min-height: 30px;
  padding: 4px 2px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.curve-preset-strip button + button {
  border-left: 0;
}

.curve-preset-strip button:hover,
.curve-preset-strip button:focus-visible,
.curve-preset-strip button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.curve-editor {
  position: relative;
  width: calc(100% - 20px);
  height: 96px;
  margin: 12px 10px 9px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg-deep) 88%, transparent);
  touch-action: none;
}

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

.curve-grid,
.curve-path {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.curve-grid {
  stroke: var(--line);
  stroke-width: 1;
}

.curve-path {
  stroke: var(--accent);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 4px var(--accent-soft));
}

.curve-node {
  position: absolute;
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  padding: 0;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 7px color-mix(in oklab, var(--accent) 28%, transparent);
  cursor: grab;
  transform: translate(-50%, -50%);
}

.curve-node:hover,
.curve-node:focus-visible {
  background: var(--accent-glow);
  box-shadow: 0 0 10px color-mix(in oklab, var(--accent) 50%, transparent);
}

.curve-node:active {
  cursor: grabbing;
}

.curve-editor-footer small {
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.02em;
}

.curve-editor-footer .mini-action {
  min-width: 54px;
  min-height: 32px;
}

.amplitude-timing-row {
  display: grid;
  gap: 2px;
  margin-top: 5px;
  line-height: 1.35;
}

.amplitude-timing-row output {
  color: var(--accent);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.amplitude-timing-row small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.02em;
}

.amplitude-articulation {
  margin: 12px 0 16px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}

.amplitude-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.percussion-envelope-articulation .amplitude-heading-row output {
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.amplitude-mode-buttons {
  display: grid;
  grid-template-columns: repeat(2, 52px);
}

.amplitude-mode-buttons button {
  display: grid;
  min-width: 52px;
  min-height: 38px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  place-content: center;
  gap: 2px;
}

.amplitude-mode-buttons button + button {
  border-left: 0;
}

.amplitude-mode-buttons button span {
  color: var(--ink);
  font-size: 13px;
  line-height: 1;
}

.amplitude-mode-buttons button small {
  font-size: 7px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.amplitude-mode-buttons button:hover,
.amplitude-mode-buttons button:focus-visible {
  border-color: var(--accent-soft);
  color: var(--accent);
}

.amplitude-mode-buttons button[aria-pressed="true"] {
  border-color: var(--accent-soft);
  color: var(--accent);
  background: var(--accent-glow);
}

.amplitude-preset-strip {
  grid-template-columns: repeat(4, 1fr);
}

#amplitudeEnvelopePresets {
  grid-template-columns: repeat(5, 1fr);
}

.amplitude-curve-editor.is-disabled {
  opacity: 0.38;
}

.amplitude-curve-editor[aria-disabled="true"] {
  pointer-events: none;
}

.amplitude-node {
  width: 22px;
  min-width: 22px;
  height: 22px;
  min-height: 22px;
}

.amplitude-node span {
  color: var(--accent);
  font-size: 7px;
  line-height: 1;
}

.amplitude-curve-status {
  display: grid;
  margin-top: 8px;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 9px;
}

.amplitude-curve-status output {
  color: var(--accent);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.amplitude-curve-status small {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.35;
  text-align: right;
}

.form-count-key {
  margin-top: -4px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-range-row {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) 68px;
  align-items: start;
  gap: 10px;
}

.signed-form-range {
  min-width: 0;
}

.form-range-poles {
  display: grid;
  margin-top: -6px;
  color: var(--faint);
  font-size: 7px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  grid-template-columns: repeat(3, 1fr);
}

.form-range-poles span:nth-child(2) {
  text-align: center;
}

.form-range-poles span:last-child {
  text-align: right;
}

.form-range-reset {
  width: 68px;
  min-height: 40px;
  margin: 0;
}

/* Only genuine selects receive the outlined field and chevron. */

.select-control {
  display: grid;
  margin: 0 0 13px;
  gap: 8px;
}

.select-shell {
  position: relative;
  display: block;
}

.select-shell::after {
  position: absolute;
  top: 50%;
  right: 14px;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  pointer-events: none;
  content: "";
  transform: translateY(-65%) rotate(45deg);
}

select {
  width: 100%;
  min-height: 44px;
  padding: 8px 38px 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  cursor: pointer;
  color: var(--ink);
  background: var(--bg-deep);
  appearance: none;
  font-size: 11px;
}

select:hover {
  border-color: var(--accent-soft);
}

.audio-error {
  margin: 0 0 12px;
  padding: 9px 10px;
  border-left: 2px solid var(--orange);
  color: var(--orange);
  background: rgba(255, 184, 107, 0.06);
  font-size: 10px;
}

.control-note {
  margin: 2px 0 14px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.control-note b {
  color: var(--ink);
  font-weight: 500;
}

.stream-indicator {
  display: inline-flex;
  margin-left: auto;
  color: var(--muted);
  align-items: center;
  gap: 6px;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stream-indicator i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-soft);
}

.output-lead {
  display: flex;
  margin-bottom: 12px;
  color: var(--muted);
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.output-lead output {
  color: var(--accent);
}

.mark-grid {
  display: grid;
  margin: 0 0 15px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: 1fr 1fr;
}

.mark-grid > div {
  min-width: 0;
  padding: 8px 9px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mark-grid dt {
  overflow: hidden;
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.mark-grid dd {
  overflow: hidden;
  margin: 0;
  color: var(--ink);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-stream {
  display: grid;
  max-height: 126px;
  margin-bottom: 14px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  scrollbar-width: thin;
}

.contact-row {
  display: grid;
  min-height: 28px;
  padding: 5px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  grid-template-columns: 46px repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 6px;
  font-size: 8px;
  font-variant-numeric: tabular-nums;
}

.contact-row b {
  color: var(--ink);
  font-weight: 500;
}

.route-list {
  display: grid;
  margin-bottom: 13px;
  gap: 5px;
}

.route-list > div {
  display: grid;
  min-width: 0;
  padding: 7px 8px;
  border-left: 2px solid var(--accent-soft);
  background: rgba(95, 232, 196, 0.025);
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 9px;
}

.route-list span,
.route-list b {
  font-size: 9px;
  font-weight: 500;
}

.route-list b {
  color: var(--accent);
}

.route-list small {
  color: var(--muted);
  grid-column: 1 / -1;
  font-size: 8px;
}

.future-outputs {
  display: flex;
  padding-bottom: 10px;
  flex-wrap: wrap;
  gap: 6px;
}

.future-outputs span {
  padding: 5px 7px;
  border: 1px dashed var(--line-strong);
  color: var(--faint);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Responsive layout */

@media (max-width: 960px) {
  html,
  body {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body {
    height: 100vh;
    height: 100dvh;
  }

  .shell {
    min-height: 0;
    overflow: hidden;
    grid-template-columns: 1fr;
    grid-template-rows: clamp(250px, 44dvh, 420px) minmax(0, 1fr);
  }

  .stage {
    position: sticky;
    z-index: 10;
    top: 0;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.32);
  }

  .stage-wrap,
  #stage {
    height: 100%;
    min-height: 0;
  }

  .panel {
    min-height: 0;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior-y: contain;
    -webkit-overflow-scrolling: touch;
  }

  .group-body {
    padding-right: clamp(20px, 5vw, 46px);
    padding-left: clamp(20px, 5vw, 46px);
  }

  .group-summary {
    padding-right: clamp(20px, 5vw, 46px);
    padding-left: clamp(20px, 5vw, 46px);
  }
}

@media (max-width: 1800px) {
  .tabs {
    display: none;
  }

  .mobile-instrument-nav {
    display: block;
    width: clamp(104px, 22vw, 142px);
    flex: 0 1 142px;
  }

  .tabs.tools-nav {
    display: flex;
  }

  .tabs.tools-nav + .mobile-instrument-nav {
    display: none;
  }
}

@media (max-width: 650px) {
  .masthead {
    height: 54px;
    padding-right: calc(14px + env(safe-area-inset-right));
    padding-left: calc(14px + env(safe-area-inset-left));
    gap: 12px;
  }

  .wordmark,
  .edition {
    display: none;
  }

  .tabs {
    display: none;
  }

  .tabs.tools-nav {
    display: none;
  }

  .mobile-instrument-nav {
    display: block;
    width: clamp(92px, 28vw, 132px);
    flex: 0 1 132px;
  }

  .tabs.tools-nav + .mobile-instrument-nav {
    display: block;
  }

  .tab {
    min-width: auto;
    padding: 0 7px;
    font-size: 9px;
  }

  .audio-strip {
    width: auto;
    margin-left: auto;
    flex: 1 1 auto;
    grid-template-columns: 72px minmax(86px, 1fr);
    gap: 10px;
  }

  .shell {
    grid-template-rows: clamp(215px, 38dvh, 300px) minmax(0, 1fr);
  }

  .stage-meta {
    right: 13px;
    left: 13px;
    font-size: 9px;
  }

  .spiral-coordinate-meta {
    bottom: 12px;
    left: 13px;
  }

  .solid-target-switch {
    bottom: 12px;
    left: 13px;
    grid-template-columns: repeat(2, 58px);
  }

  .probe-meta {
    left: 13px;
    font-size: 9px;
  }

  .group-body {
    padding-right: 20px;
    padding-left: 20px;
  }

  .group-summary {
    padding-right: 20px;
    padding-left: 20px;
  }
}

@media (max-width: 450px) {
  .wordmark {
    gap: 0;
  }

  .masthead {
    padding: 0 10px;
    gap: 8px;
  }

  .shell {
    grid-template-rows: clamp(205px, 36dvh, 270px) minmax(0, 1fr);
  }

  .audio-strip {
    width: min(152px, 49vw);
    grid-template-columns: 64px minmax(74px, 1fr);
    gap: 7px;
  }

  .audio-button {
    width: 64px;
    min-width: 64px;
    padding-right: 7px;
    padding-left: 7px;
    gap: 6px;
  }

  .audio-copy b {
    font-size: 9px;
  }

  .tabs {
    flex: 0 1 auto;
  }

  .tab {
    padding-right: 5px;
    padding-left: 5px;
    font-size: 8px;
  }

  .audio-strip {
    width: min(122px, 38vw);
    grid-template-columns: 56px minmax(54px, 1fr);
    gap: 4px;
  }

  .audio-button {
    width: 56px;
    min-width: 56px;
    padding-right: 5px;
    padding-left: 5px;
    gap: 4px;
  }

  .audio-glyph {
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .masthead {
    padding-right: 10px;
    padding-left: 10px;
    gap: 8px;
  }

  .audio-strip {
    width: min(158px, 52vw);
    flex: 1 1 auto;
    grid-template-columns: 56px minmax(70px, 1fr);
    gap: 6px;
  }

  .header-level {
    display: grid;
  }

  .audio-button {
    width: 56px;
    min-width: 56px;
    padding-right: 5px;
    padding-left: 5px;
    gap: 4px;
  }

  .audio-glyph {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .group-body {
    padding-right: 16px;
    padding-left: 16px;
  }

  .group-summary {
    padding-right: 16px;
    padding-left: 16px;
  }
}

@media (max-width: 960px) and (max-height: 560px) {
  .masthead {
    height: 50px;
  }

  .shell {
    grid-template-rows: clamp(150px, 40dvh, 210px) minmax(0, 1fr);
  }

  .stage-meta {
    top: 10px;
  }

  .probe-meta {
    bottom: 10px;
  }
}

@media (pointer: coarse) {
  input[type="range"] {
    height: 48px;
  }

  input[type="range"]::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    margin-top: -9px;
  }

  input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
  }

  .head-marker {
    width: 34px;
    min-width: 34px;
    height: 34px;
    min-height: 34px;
  }

  .head-layout-track.has-head-options {
    height: 90px;
  }

  .head-option-toggle {
    top: 18px;
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}
.shared-amplitude-control { display:grid; margin:14px 0; gap:8px; }
.shared-amplitude-heading { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.shared-amplitude-heading > div,.shared-amplitude-presets { display:flex; gap:4px; }
.shared-amplitude-heading button,.shared-amplitude-presets button { min-height:25px; padding:0 7px; border:1px solid var(--line-strong); color:var(--muted); background:var(--bg-deep); font-size:7px; text-transform:uppercase; }
.shared-amplitude-heading button[aria-pressed="true"],.shared-amplitude-presets button[aria-pressed="true"] { color:var(--accent); border-color:var(--accent-soft); background:var(--accent-glow); }
.shared-amplitude-presets { display:grid; grid-template-columns:repeat(4,1fr); }
.shared-amplitude-editor { position:relative; height:108px; margin:5px 7px 2px; touch-action:none; }
.shared-amplitude-editor svg { position:absolute; inset:6px 0; width:100%; height:96px; overflow:visible; }
.shared-amplitude-editor path { fill:none; stroke:var(--accent); stroke-width:1.5; vector-effect:non-scaling-stroke; }
.shared-amplitude-editor button { position:absolute; width:22px; height:22px; padding:0; transform:translate(-50%,-50%); border:1px solid var(--accent); border-radius:50%; color:var(--ink); background:var(--bg-deep); font-size:7px; }
.shared-amplitude-editor.is-disabled { opacity:.3; }
.shared-amplitude-time-axis { display:flex; justify-content:space-between; margin:-4px 7px 2px; color:var(--faint); font:6px/1.2 var(--mono); text-transform:uppercase; letter-spacing:.04em; }
.shared-amplitude-level { margin-top:0; }
.shared-amplitude-control > small { color:var(--faint); font-size:7px; }