:root {
  --panel: #181818;
  --panel-soft: #202020;
  --panel-hard: #101010;
  --stage: #050505;
  --text: #d8d8d8;
  --muted: #8c8c8c;
  --accent: #f0c850;
  --accent-2: #5fc8b8;
  --border: #3a3a3a;
  --border-soft: #2a2a2a;
  --input: #0d0d0d;
  --button: #2c2c2c;
  --button-hover: #383838;
  --danger: #df6a5f;
  --lut-dock-height: clamp(140px, 20vh, 240px);
  font-family: "Cascadia Mono", "Consolas", "Lucida Console", monospace;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-columns: 340px 1fr;
  color: var(--text);
  background: var(--stage);
  font: 12px/1.35 "Cascadia Mono", "Consolas", "Lucida Console", monospace;
}

.panel {
  height: 100vh;
  overflow: auto;
  padding: 10px;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

.panel-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: start;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.title-actions {
  display: flex;
  gap: 4px;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent-2);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font: inherit;
  font-weight: 700;
}

h1 {
  color: var(--text);
  font-size: 15px;
  line-height: 1.1;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.wiki-heading {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: space-between;
}

.wiki-help-button {
  width: 19px;
  min-height: 19px;
  margin: 0;
  padding: 0;
  color: #111;
  background: var(--accent);
  border-color: var(--accent);
  font-size: 10px;
  line-height: 1;
}

.context-help-button {
  display: block;
  width: 19px;
  min-height: 19px;
  margin: -2px 0 8px auto;
  padding: 0;
  color: #111;
  background: var(--accent);
  border-color: var(--accent);
  font-size: 10px;
  line-height: 1;
  text-align: center;
}

.context-help-button:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.subhead {
  margin: 12px 0 7px;
  color: var(--accent-2);
}

.tabs {
  position: sticky;
  top: -10px;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  padding: 0 0 10px;
  background: var(--panel);
}

.tab-button {
  margin: 0;
  min-height: 28px;
  padding: 3px 4px;
  font-size: 10px;
  color: var(--muted);
  background: var(--button);
  border: 1px solid var(--border);
  box-shadow: none;
}

.tab-button.active {
  color: #111;
  background: var(--accent);
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.control-group {
  padding: 10px 0;
  border-top: 1px solid var(--border-soft);
}

.gradient-panel {
  border-top: 0;
}

label {
  display: grid;
  gap: 4px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.gradient-control {
  grid-template-columns: minmax(76px, 0.65fr) minmax(80px, 1fr) 46px;
  align-items: center;
  gap: 7px;
}

.gradient-control.has-step {
  grid-template-columns: minmax(66px, 0.55fr) 24px 24px minmax(56px, 1fr) 46px;
  gap: 4px;
}

.gradient-control.has-step.has-animation {
  grid-template-columns: minmax(66px, 0.55fr) 24px 24px minmax(46px, 1fr) 46px 24px;
}

.gradient-control.has-snap {
  grid-template-columns: minmax(76px, 0.65fr) minmax(70px, 1fr) 46px 30px;
}

.gradient-control.has-step.has-snap {
  grid-template-columns: minmax(66px, 0.55fr) 24px 24px minmax(46px, 1fr) 46px 30px;
}

.gradient-control.select-control {
  grid-template-columns: minmax(66px, 0.45fr) minmax(150px, 1.55fr);
}

.gradient-control.select-control select {
  min-width: 0;
}

.gradient-control.toggle-button-control {
  grid-template-columns: minmax(66px, 0.45fr) minmax(150px, 1.55fr);
}

.gradient-toggle-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gradient-control-label {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gradient-control output {
  color: var(--text);
  text-align: right;
}

.gradient-control input[type="range"] {
  min-width: 0;
}

.gradient-control-group {
  display: grid;
  gap: 4px;
}

.animation-controls {
  display: grid;
  gap: 4px;
  padding: 5px 0 5px 8px;
  border-left: 1px solid var(--line);
}

.animation-controls[hidden] {
  display: none;
}

.animation-control {
  opacity: 0.92;
}

.animation-toggle-button {
  width: 24px;
  min-height: 22px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  background: #11171a;
  border-color: var(--line);
  font-size: 10px;
  font-weight: 700;
}

.animation-toggle-button.active {
  color: #031014;
  background: var(--accent);
  border-color: var(--accent-2);
}

.animation-toggle-button[aria-expanded="true"]:not(.active) {
  color: var(--text);
  border-color: var(--accent);
}

.gradient-step-button {
  width: 24px;
  min-height: 22px;
  margin: 0;
  padding: 0;
  color: #111;
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.angle-presets {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.angle-preset-button {
  min-height: 22px;
  margin: 0;
  padding: 0 4px;
  font-size: 10px;
}

.generator-control {
  grid-template-columns: minmax(76px, 0.65fr) minmax(80px, 1fr) 54px;
  align-items: center;
  gap: 7px;
}

.generator-control span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.generator-control output {
  color: var(--text);
  text-align: right;
}

.generator-control input[type="range"] {
  min-width: 0;
}

.lut-inline-field {
  grid-template-columns: minmax(76px, 0.65fr) minmax(120px, 1fr);
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.lut-inline-field span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lut-inline-field input,
.lut-inline-field select {
  min-width: 0;
}

.lut-length-control {
  display: grid;
  gap: 4px;
  min-width: 0;
}

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

.lut-length-presets button {
  min-height: 20px;
  margin: 0;
  padding: 1px 3px;
  font-size: 10px;
}

.lut-inline-field input[type="color"] {
  padding: 1px;
}

.lut-generator-select-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 19px;
  gap: 6px;
  align-items: center;
}

.lut-generator-select-row .lut-inline-field {
  margin-bottom: 8px;
}

.lut-generator-select-row .context-help-button {
  width: 19px;
  min-height: 19px;
  margin: 0 0 8px;
}

.generator-field {
  grid-template-columns: minmax(76px, 0.65fr) minmax(80px, 1fr);
  align-items: center;
  gap: 7px;
}

.generator-field span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-slider {
  grid-template-columns: minmax(76px, 0.7fr) minmax(70px, 1fr) 52px;
  align-items: center;
  gap: 7px;
}

.compact-slider-step {
  grid-template-columns: minmax(64px, 0.55fr) 24px 24px minmax(50px, 1fr) 46px;
  gap: 4px;
}

.compact-slider span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-slider input[type="range"] {
  min-width: 0;
}

.compact-slider output {
  color: var(--text);
  text-align: right;
}

.compact-select {
  grid-template-columns: minmax(86px, 0.75fr) minmax(100px, 1fr);
  align-items: center;
  gap: 7px;
}

.compact-select span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-select select {
  min-width: 0;
}

.compact-text {
  grid-template-columns: minmax(76px, 0.7fr) minmax(120px, 1fr);
  align-items: center;
  gap: 7px;
}

.compact-text span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-text input[type="text"] {
  min-width: 0;
}

.button-row-label {
  gap: 6px;
}

.button-row {
  display: grid;
  gap: 4px;
}

.combine-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.modifier-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mode-button {
  min-height: 25px;
  margin-top: 0;
  padding: 4px 5px;
  font-size: 10px;
  line-height: 1;
}

.mode-button.active {
  color: #031014;
  background: var(--accent);
  border-color: var(--accent-2);
}

.toggle-control {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.toggle-control input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.tag-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 7px 0 8px;
}

.tag-filter-button {
  width: auto;
  min-height: 23px;
  margin: 0;
  padding: 2px 7px;
  color: var(--muted);
  font-size: 10px;
}

.tag-filter-button.active {
  color: #031014;
  background: var(--accent);
  border-color: var(--accent);
}

.preset-browser {
  display: grid;
  gap: 6px;
  max-height: 310px;
  overflow: auto;
}

.preset-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 8px;
  margin: 0;
  padding: 8px;
  text-align: left;
}

.preset-card.active {
  border-color: var(--accent);
  background: rgba(40, 221, 255, 0.08);
}

.preset-card-title {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preset-source {
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.preset-source-user {
  color: var(--accent-2);
}

.preset-card-description,
.preset-card-tags {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.35;
}

.preset-card-tags {
  color: var(--accent);
}

output {
  color: var(--text);
  font-weight: 400;
}

input,
select,
button {
  width: 100%;
  font: inherit;
  font-weight: 700;
}

input[type="number"],
input[type="text"],
input[type="color"],
textarea,
select {
  min-height: 28px;
  padding: 4px 6px;
  color: var(--text);
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 0;
  outline: 0;
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="color"]:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-2);
}

textarea {
  resize: vertical;
}

input[type="color"] {
  padding: 1px;
}

input[type="range"] {
  height: 18px;
  accent-color: var(--accent);
}

button {
  min-height: 28px;
  margin-top: 6px;
  color: var(--text);
  background: var(--button);
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
  box-shadow: none;
}

button:hover {
  color: #fff;
  background: var(--button-hover);
  filter: none;
}

button:active {
  background: var(--panel-hard);
}

.icon-button {
  width: 28px;
  min-height: 24px;
  margin-top: 0;
  padding: 0;
  color: var(--accent);
  line-height: 1;
}

.icon-button.active {
  color: #111;
  background: var(--accent);
  border-color: var(--accent-2);
}

.inline-zero {
  width: 30px;
  min-height: 22px;
  margin: 0;
  padding: 0;
  color: #111;
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.actions-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.actions-three button {
  margin-top: 0;
  padding-right: 4px;
  padding-left: 4px;
  font-size: 10px;
}

.hint {
  margin: 7px 0 2px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.diagnostics {
  max-height: 180px;
  margin: 8px 0 0;
  padding: 6px;
  overflow: auto;
  color: var(--text);
  background: var(--input);
  border: 1px solid var(--border);
  font: 10px/1.35 "Cascadia Mono", "Consolas", "Lucida Console", monospace;
  white-space: pre-wrap;
}

.hidden-file {
  display: none;
}

.lut-wrap {
  position: relative;
  height: 104px;
  padding: 16px 0 18px;
}

#lutCanvas {
  width: 100%;
  height: 70px;
  display: block;
  cursor: crosshair;
  border: 1px solid var(--border);
  border-radius: 0;
  image-rendering: pixelated;
  box-shadow: none;
}

.lut-markers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.lut-marker {
  --marker-color: #ffffff;
  position: absolute;
  top: 2px;
  width: 16px;
  height: 100px;
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  pointer-events: auto;
  cursor: grab;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.lut-marker::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  width: 1px;
  height: 76px;
  transform: translateX(-50%);
  background: #f2f2f2;
  box-shadow: 1px 0 0 #000;
}

.lut-marker::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 13px;
  height: 13px;
  transform: translateX(-50%);
  background: var(--marker-color);
  border: 1px solid #f2f2f2;
  box-shadow: 1px 1px 0 #000;
}

.lut-marker.smooth::after {
  top: 0;
  border-radius: 50%;
}

.lut-marker.hard::after {
  bottom: 0;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.lut-marker.selected::before {
  width: 2px;
  background: var(--accent);
  box-shadow: 1px 0 0 #000;
}

.lut-marker.selected::after {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px #000, 0 0 0 2px var(--accent);
}

.point-editor.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.stage {
  position: relative;
  min-width: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
  overflow: hidden;
  background:
    linear-gradient(#101010 1px, transparent 1px),
    linear-gradient(90deg, #101010 1px, transparent 1px),
    var(--stage);
  background-size: 32px 32px, 32px 32px, auto;
}

.viewport {
  position: absolute;
  inset: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

body.lut-dock-active .viewport {
  bottom: calc(var(--lut-dock-height) + 28px);
}

.viewport.dragging {
  cursor: grabbing;
}

#canvas {
  display: block;
  background: #000;
  image-rendering: pixelated;
  transform-origin: 0 0;
  will-change: transform;
  user-select: none;
  box-shadow: 0 0 0 1px var(--border);
}

.wiki-panel {
  position: absolute;
  inset: 42px;
  z-index: 20;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  overflow: hidden;
  background: rgba(14, 14, 14, 0.97);
  border: 1px solid var(--accent);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.62);
}

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

.wiki-panel-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(240, 200, 80, 0.12), rgba(24, 24, 24, 0));
  border-bottom: 1px solid var(--border);
}

.wiki-panel-head h2 {
  margin: 0;
  font-size: 14px;
}

.wiki-summary {
  max-width: 74ch;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.wiki-close {
  width: 28px;
  min-height: 28px;
  margin: 0;
  padding: 0;
  color: var(--accent);
}

.wiki-body {
  min-height: 0;
  padding: 16px;
  overflow: auto;
  color: var(--text);
  font-size: 12px;
  line-height: 1.55;
}

.wiki-body h2,
.wiki-body h3,
.wiki-body h4,
.wiki-body p,
.wiki-body ul,
.wiki-body pre {
  max-width: 82ch;
}

.wiki-body h2,
.wiki-body h3,
.wiki-body h4 {
  margin: 18px 0 8px;
  color: var(--accent);
}

.wiki-body p {
  margin: 0 0 12px;
}

.wiki-body ul {
  margin: 0 0 13px;
  padding-left: 18px;
}

.wiki-body code {
  padding: 1px 4px;
  color: var(--accent-2);
  background: var(--input);
  border: 1px solid var(--border-soft);
}

.wiki-body pre {
  padding: 10px;
  overflow: auto;
  background: #080808;
  border: 1px solid var(--border);
}

.wiki-body pre code {
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 0;
}

.wiki-body a {
  color: var(--accent-2);
}

.wiki-related {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}

.wiki-related span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.wiki-related button {
  width: auto;
  min-height: 24px;
  margin: 0;
  padding: 2px 7px;
  font-size: 10px;
}

.readout {
  position: absolute;
  right: 10px;
  bottom: 10px;
  max-width: calc(100% - 20px);
  padding: 5px 7px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.78);
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 10px;
  font-weight: 700;
}

body.lut-dock-active .readout {
  bottom: calc(var(--lut-dock-height) + 22px);
}

.lut-dock {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 5;
  display: none;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 14px;
  height: var(--lut-dock-height);
  padding: 12px;
  overflow: hidden;
  background: rgba(24, 24, 24, 0.96);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

body.lut-dock-active .lut-dock {
  display: grid;
}

.presentation-exit {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  width: 30px;
  min-height: 30px;
  margin: 0;
  padding: 0;
  color: var(--accent);
  background: rgba(24, 24, 24, 0.88);
  border-color: var(--accent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms linear;
}

body.presentation-mode {
  display: block;
  overflow: hidden;
}

body.presentation-mode .panel,
body.presentation-mode .readout,
body.presentation-mode .lut-dock,
body.presentation-mode .wiki-panel {
  display: none;
}

body.presentation-mode .stage {
  position: fixed;
  inset: 0;
  z-index: 900;
  min-height: 100vh;
  padding: 0;
  background: var(--stage);
}

body.presentation-mode .viewport {
  inset: 0 !important;
  cursor: none;
}

body.presentation-mode.presentation-controls-visible .viewport {
  cursor: default;
}

body.presentation-mode #canvas {
  box-shadow: none;
}

body.presentation-mode.presentation-controls-visible .presentation-exit {
  opacity: 1;
  pointer-events: auto;
}

.lut-dock-head {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 8px;
}

.lut-dock .hint {
  margin: 0;
}

.lut-dock .actions {
  align-self: end;
}

.lut-dock .lut-wrap {
  min-width: 0;
  height: 100%;
  padding: 18px 0 20px;
}

.lut-dock #lutCanvas {
  height: 100%;
}

.lut-dock .lut-marker {
  height: 100%;
}

.lut-dock .lut-marker::before {
  height: calc(100% - 26px);
}

@media (max-width: 860px) {
  body {
    grid-template-columns: 1fr;
  }

  .panel {
    height: auto;
    max-height: 52vh;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .tabs {
    top: -10px;
  }

  .stage {
    min-height: 48vh;
    padding: 10px;
  }

  .viewport {
    inset: 10px;
  }

  body.lut-dock-active .viewport {
    bottom: calc(var(--lut-dock-height) + 18px);
  }

  body.lut-dock-active .readout {
    bottom: calc(var(--lut-dock-height) + 16px);
  }

  .lut-dock {
    right: 10px;
    bottom: 10px;
    left: 10px;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    gap: 8px;
    padding: 10px;
  }

  .wiki-panel {
    inset: 10px;
  }

  .lut-dock-head {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px 8px;
  }

  .lut-dock-head h2 {
    grid-column: 1;
  }

  .lut-dock .hint {
    grid-column: 1;
    font-size: 9px;
  }

  .lut-dock .actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    width: 180px;
    align-self: center;
  }
}