:root,
html[data-theme="dark"] {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #101314;
  color: #f1eadb;
  --app-bg: #101314;
  --topbar: #171a1b;
  --surface: #1c2021;
  --surface-high: #24292a;
  --surface-low: #141718;
  --control-bg: #222728;
  --field-bg: #111516;
  --canvas-bg: #171b1c;
  --canvas-grid: #343b3d;
  --line: #3e494c;
  --line-strong: #6e797b;
  --ink: #f1eadb;
  --ink-soft: #b8b0a3;
  --ink-muted: #8f8a80;
  --teal: #1a9484;
  --teal-strong: #48b6a7;
  --teal-soft: #163934;
  --amber: #d2a92d;
  --yellow: #e0c443;
  --red: #bd3f37;
  --cream: #f0e6cf;
  --blue: #4d7fa2;
  --wood: #3a1b12;
  --wood-hi: #83502d;
  --shadow: 0 16px 34px rgba(0, 0, 0, 0.26);
  --range-track: #303739;
  --topbar-text: #f1eadb;
  --topbar-muted: #c8bdab;
  --button-text: #fff;
  --led-off: #263033;
}

html[data-theme="light"],
body.theme-light {
  color-scheme: light;
  background: #e6e1d6;
  color: #1e2424;
  --app-bg: #e6e1d6;
  --topbar: #292423;
  --surface: #fbf8ef;
  --surface-high: #fffdf7;
  --surface-low: #e8e1d4;
  --control-bg: #fffdf7;
  --field-bg: #fffaf0;
  --canvas-bg: #fffaf0;
  --canvas-grid: #ded5c6;
  --line: #c6baaa;
  --line-strong: #8b8074;
  --ink: #1e2424;
  --ink-soft: #5d554b;
  --ink-muted: #7e7569;
  --teal: #127c70;
  --teal-strong: #0c655c;
  --teal-soft: #d7eee8;
  --amber: #b68122;
  --yellow: #c4a01b;
  --red: #9e342f;
  --cream: #fff4da;
  --blue: #386d92;
  --wood: #5f2f20;
  --wood-hi: #9b6138;
  --shadow: 0 12px 30px rgba(47, 35, 24, 0.12);
  --range-track: #d3c8b8;
  --topbar-text: #f1eadb;
  --topbar-muted: #d8cbb8;
  --button-text: #fff;
  --led-off: #b9b0a2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--app-bg);
}

button,
input,
select {
  font: inherit;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-top: 8px solid var(--wood);
  border-bottom: 1px solid var(--wood-hi);
  background: var(--topbar);
  color: var(--topbar-text);
  box-shadow: inset 0 -3px 0 rgba(131, 80, 45, 0.36);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 3px;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
  letter-spacing: 0;
}

p {
  margin-bottom: 0;
  color: var(--topbar-muted);
}

.transport {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

button {
  min-height: 38px;
  border: 1px solid var(--teal);
  border-radius: 6px;
  padding: 0 13px;
  background: var(--teal);
  color: var(--button-text);
  cursor: pointer;
}

button:hover {
  background: var(--teal-strong);
}

button.is-active {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px rgba(217, 154, 36, 0.24);
}

#developerToggle.is-active {
  background: var(--yellow);
  color: #151817;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(217, 154, 36, 0.55);
  outline-offset: 2px;
}

.workspace {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 18px 32px;
}

.status-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink-soft);
}

#protocol {
  flex: 0 0 auto;
  color: var(--yellow);
  font-weight: 700;
}

.tone-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 6px;
  margin-top: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-low);
}

.tone {
  display: grid;
  place-items: center;
  min-height: 30px;
  border: 1px solid rgba(0, 0, 0, 0.28);
  border-radius: 4px;
  padding: 5px 6px;
  color: #151817;
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.tone.is-active {
  outline: 2px solid var(--teal-strong);
  outline-offset: 2px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.36);
}

.tone.red {
  background: var(--red);
  color: #fff5ec;
}

.tone.yellow {
  background: var(--yellow);
}

.tone.white {
  background: var(--cream);
}

.tone.teal {
  background: var(--teal);
  color: #fff8e9;
}

.voice-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.output-lane {
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--ink);
  text-align: left;
}

.output-lane.is-active {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.output-lane:hover {
  background: var(--surface-high);
}

.output-lane span,
.small-label {
  display: block;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.output-lane strong {
  display: block;
  margin: 2px 0 8px;
}

.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.tab,
.segment {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.tab.is-active,
.segment.is-active {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.main-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 14px;
}

.panel,
.page,
.developer-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hardware-panel {
  align-self: start;
  padding: 14px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

select,
input[type="text"] {
  min-height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--field-bg);
  color: var(--ink);
}

.switch-graphic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.switch-graphic span {
  height: 8px;
  border-radius: 999px;
  background: var(--range-track);
}

.switch-graphic span.is-lit {
  background: var(--amber);
}

.knob-map {
  display: grid;
  gap: 10px;
}

.knob-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.knob-icon {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--field-bg);
  font-weight: 800;
  color: var(--ink);
}

.knob-row strong,
.knob-row span {
  display: block;
}

.knob-row span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.led-grid {
  display: grid;
  grid-template-columns: repeat(2, 32px);
  gap: 10px;
  margin-top: 18px;
  justify-content: center;
}

.led-grid span {
  --led-alpha: 0.52;
  display: grid;
  place-items: center;
  width: 32px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 238, 220, 0.95), transparent 24%),
    radial-gradient(circle, rgba(255, 63, 45, var(--led-alpha)) 0%, rgba(168, 24, 18, var(--led-alpha)) 68%, rgba(72, 10, 8, 0.92) 100%);
  box-shadow:
    inset 0 0 0 3px var(--field-bg),
    0 0 calc(8px + 14px * var(--led-alpha)) rgba(255, 45, 32, calc(var(--led-alpha) * 0.9));
  color: rgba(255, 238, 220, 0.95);
  font-size: 0.62rem;
  font-weight: 900;
}

.led-grid span.is-pickup {
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 238, 220, 0.86), transparent 24%),
    radial-gradient(circle, rgba(255, 63, 45, var(--led-alpha)) 0%, rgba(168, 24, 18, var(--led-alpha)) 68%, rgba(72, 10, 8, 0.92) 100%);
}

.led-grid span.is-pickup:not(.is-picked-up) {
  color: rgba(255, 238, 220, 0.55);
}

.led-grid b {
  line-height: 1;
}

.editor-stack {
  min-width: 0;
}

.page {
  display: none;
  padding: 16px;
}

.page.is-active {
  display: block;
}

.segmented {
  display: flex;
  gap: 6px;
}

.segment {
  min-width: 42px;
  padding: 0 10px;
}

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

.control-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label value"
    "slider slider";
  align-items: center;
  gap: 8px 10px;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--control-bg);
}

.control span {
  grid-area: label;
  min-width: 0;
  font-weight: 650;
}

.control input[type="range"] {
  grid-area: slider;
}

.control output {
  grid-area: value;
  min-width: 52px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

canvas {
  display: block;
  width: 100%;
  height: 220px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--canvas-bg);
}

.envelope-layout {
  display: grid;
  gap: 12px;
}

.cv-list {
  display: grid;
  gap: 10px;
}

.cv-list label {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
}

.cv-list label:last-child {
  border-bottom: 0;
}

.cv-list span {
  font-weight: 700;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.preset-slot {
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--control-bg);
  text-align: left;
  color: var(--ink);
}

.preset-slot.is-active {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.preset-slot strong,
.preset-slot span {
  display: block;
}

.preset-slot span {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.preset-detail {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--control-bg);
}

.preset-detail h3 {
  margin: 0;
  font-size: 0.98rem;
}

.preset-detail dl {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 7px 12px;
  margin: 0;
}

.preset-detail dt {
  color: var(--ink-soft);
  font-weight: 800;
}

.preset-detail dd {
  margin: 0;
}

.developer-panel {
  margin-top: 14px;
  padding: 14px;
}

.developer-panel.is-hidden {
  display: none;
}

#developerLog {
  width: 100%;
  min-height: 180px;
  max-height: 320px;
  margin: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--field-bg);
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

@media (max-width: 860px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .transport {
    justify-content: start;
  }

  .main-grid {
    grid-template-columns: 1fr;
  }

  .control-grid,
  .control-grid.compact,
  .preset-grid,
  .voice-map {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .workspace {
    padding: 12px;
  }

  .tone-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .control,
  .cv-list label,
  .preset-detail dl {
    grid-template-columns: 1fr;
  }

  .control output {
    text-align: left;
  }
}