:root {
  color-scheme: dark;
  --bg: #07090b;
  --panel: #101317;
  --panel-2: #171b20;
  --panel-3: #0c0f12;
  --line: #2b3138;
  --line-bright: #3c444d;
  --text: #f4f2eb;
  --muted: #9298a1;
  --lime: #c5ff2e;
  --lime-dark: #1d2908;
  --white-face: #f3f0df;
  --red-face: #e5483f;
  --blue-face: #2878eb;
  --green-face: #25b96f;
  --orange-face: #ff8a31;
  --yellow-face: #f5d634;
  --cube-size: min(34vw, 330px);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(40, 120, 235, .07), transparent 28rem),
    radial-gradient(circle at 88% 88%, rgba(197, 255, 46, .055), transparent 30rem),
    var(--bg);
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

main {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 56px) clamp(18px, 4vw, 64px) 64px;
}

.workspace {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line-bright);
  background: var(--panel);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(350px, .78fr);
  min-height: 700px;
  box-shadow:
    0 28px 90px rgba(0, 0, 0, .32),
    inset 0 1px rgba(255, 255, 255, .025);
}

.workspace::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  height: 3px;
  pointer-events: none;
  background: linear-gradient(90deg,
      var(--white-face) 0 16.67%,
      var(--red-face) 16.67% 33.33%,
      var(--blue-face) 33.33% 50%,
      var(--green-face) 50% 66.67%,
      var(--orange-face) 66.67% 83.33%,
      var(--yellow-face) 83.33% 100%);
  opacity: .82;
}

.stage-panel {
  position: relative;
  min-width: 0;
  padding: 28px clamp(20px, 3vw, 42px) 32px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(456px, 1fr);
  background:
    radial-gradient(circle at 50% 42%, rgba(40, 120, 235, .07), transparent 36%),
    rgba(255, 255, 255, .012);
}

.stage-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 45%, black, transparent 72%);
}

.stage-toolbar,
.section-heading,
.inline-actions,
.playback,
.view-actions {
  display: flex;
  align-items: center;
}

.stage-toolbar {
  position: relative;
  z-index: 2;
  justify-content: space-between;
  gap: 18px;
}

.counter {
  font-size: 13px;
  font-weight: 650;
}

.view-actions {
  gap: 8px;
}

button {
  border: 0;
  border-radius: 1px;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, color .16s ease, border-color .16s ease, box-shadow .16s ease;
}

button:hover {
  transform: translateY(-2px);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  cursor: wait;
  opacity: .54;
  transform: none;
}

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

.icon-button,
.transport,
.primary-button,
.secondary-button,
.play,
.feed-reset {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.button-icon {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-button,
.transport {
  width: 40px;
  height: 40px;
  background: rgba(23, 27, 32, .88);
  border: 1px solid var(--line);
}

.icon-button:hover,
.transport:hover {
  border-color: #59616b;
  background: #1b2025;
}

.icon-button .button-icon,
.transport .button-icon {
  width: 17px;
  height: 17px;
}

.cube-scene {
  --circle-lift: -40px;
  position: relative;
  z-index: 1;
  min-height: 456px;
  display: grid;
  place-items: center;
  perspective: 950px;
  cursor: grab;
  user-select: none;
}

.cube-scene::before {
  content: "";
  position: absolute;
  width: min(54vw, 560px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .055);
  background:
    radial-gradient(circle at 44% 38%, #1b2025 0, #11161a 58%, #090c0f 74%);
  box-shadow:
    inset 0 0 70px rgba(0, 0, 0, .52),
    0 28px 70px rgba(0, 0, 0, .32);
  transform: translateY(var(--circle-lift));
  pointer-events: none;
}

.cube-scene:active {
  cursor: grabbing;
}

.cube {
  --cubie-size: calc(var(--cube-size) / 3);
  --cube-lift: -66px;
  width: var(--cube-size);
  height: var(--cube-size);
  position: relative;
  z-index: 2;
  transform-style: preserve-3d;
  transform: translateY(var(--cube-lift)) rotateX(-14deg) rotateY(-36deg);
  transition: transform .12s ease-out;
}

.turn-layer {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition-property: transform;
  transition-timing-function: cubic-bezier(.22, .72, .16, 1);
}

.cubie {
  position: absolute;
  width: var(--cubie-size);
  height: var(--cubie-size);
  transform-style: preserve-3d;
}

.cubie-side {
  position: absolute;
  inset: 0;
  padding: 4px;
  border: 1px solid #020304;
  background: #07090a;
  backface-visibility: hidden;
}

.cubie-side[data-face="F"] {
  transform: translateZ(calc(var(--cubie-size) / 2));
}

.cubie-side[data-face="B"] {
  transform: rotateY(180deg) translateZ(calc(var(--cubie-size) / 2));
}

.cubie-side[data-face="R"] {
  transform: rotateY(90deg) translateZ(calc(var(--cubie-size) / 2));
}

.cubie-side[data-face="L"] {
  transform: rotateY(-90deg) translateZ(calc(var(--cubie-size) / 2));
}

.cubie-side[data-face="U"] {
  transform: rotateX(90deg) translateZ(calc(var(--cubie-size) / 2));
}

.cubie-side[data-face="D"] {
  transform: rotateX(-90deg) translateZ(calc(var(--cubie-size) / 2));
}

.sticker {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow:
    inset 0 0 18px rgba(255, 255, 255, .1),
    0 1px 2px rgba(0, 0, 0, .5);
}

.color-0 {
  background: var(--white-face);
}

.color-1 {
  background: var(--red-face);
}

.color-2 {
  background: var(--blue-face);
}

.color-3 {
  background: var(--green-face);
}

.color-4 {
  background: var(--orange-face);
}

.color-5 {
  background: var(--yellow-face);
}

.drag-hint {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 4;
  width: fit-content;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, .05);
  background: rgba(7, 9, 11, .54);
  color: #747b84;
  font: 650 9px ui-monospace, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.playback {
  position: relative;
  z-index: 2;
  justify-content: flex-start;
  gap: 9px;
  margin-top: 13px;
}

.play {
  display: inline-grid;
  grid-template-columns: 16px auto 16px;
  column-gap: 8px;
  min-width: 156px;
  height: 44px;
  padding: 0 22px;
  background: var(--lime);
  color: #0b0e07;
  font-weight: 850;
  white-space: nowrap;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  box-shadow: 0 0 0 1px var(--lime), 0 10px 28px rgba(197, 255, 46, .11);
}

.play::after {
  content: "";
  width: 16px;
}

.play:hover {
  background: #d1ff58;
  box-shadow: 0 12px 34px rgba(197, 255, 46, .2);
}

.play[data-icon="loader"] .button-icon {
  animation: icon-spin .8s linear infinite;
}

@keyframes icon-spin {
  to {
    transform: rotate(360deg);
  }
}

.speed-control {
  margin-left: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 8px;
}

.control-panel {
  position: relative;
  display: flex;
  border-left: 1px solid var(--line-bright);
  background:
    linear-gradient(160deg, rgba(229, 72, 63, .025), transparent 34%),
    rgba(11, 14, 17, .96);
}

.control-section {
  position: relative;
  width: 100%;
  min-height: 100%;
  padding: 34px 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.control-footer {
  margin-top: auto;
  padding-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.resource-links {
  min-height: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.resource-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #858c95;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
}

.resource-links a:hover {
  color: var(--text);
}

.resource-links .button-icon {
  width: 14px;
  height: 14px;
}

.creator-link {
  justify-self: end;
  color: #69717a;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.creator-link:hover {
  color: var(--lime);
}

.docs-shell {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 72px) clamp(18px, 5vw, 52px) 80px;
}

.docs-back,
.docs-source {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #a8afb7;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.docs-back:hover,
.docs-source:hover {
  color: var(--lime);
}

.docs-title {
  margin: 42px 0 14px;
  font-size: clamp(36px, 7vw, 68px);
  line-height: .95;
  letter-spacing: -.055em;
}

.docs-lead {
  max-width: 670px;
  margin: 0;
  color: #a5abb3;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.6;
}

.docs-grid {
  min-width: 0;
  margin-top: 48px;
  display: grid;
  gap: 18px;
}

.docs-card {
  min-width: 0;
  border: 1px solid var(--line-bright);
  border-left: 3px solid var(--lime);
  padding: clamp(22px, 4vw, 36px);
  background: rgba(16, 19, 23, .92);
}

.docs-card:nth-child(2) {
  border-left-color: var(--blue-face);
}

.docs-card:nth-child(3) {
  border-left-color: var(--orange-face);
}

.docs-card h2 {
  font-size: 20px;
}

.docs-card p,
.docs-card li {
  color: #a8aeb6;
  font-size: 14px;
  line-height: 1.7;
}

.docs-card ol,
.docs-card ul {
  padding-left: 20px;
}

.docs-card pre {
  max-width: 100%;
  margin: 20px 0 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #080a0c;
  color: #dce1e6;
  font: 12px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.docs-card code {
  color: #dce1e6;
}

.docs-note {
  color: var(--lime) !important;
}

.docs-footer {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #777f88;
  font-size: 11px;
}

@media (max-width: 560px) {
  .docs-footer {
    flex-direction: column;
  }
}

.section-heading {
  justify-content: space-between;
  gap: 16px;
}

.section-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  flex-wrap: wrap;
}

h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -.025em;
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  margin-top: 9px;
  background: linear-gradient(90deg, var(--lime), var(--blue-face));
  box-shadow: 0 0 12px rgba(197, 255, 46, .24);
}

code {
  color: #d5d8dc;
}

.move-pad {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 7px;
}

.move-feed {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--blue-face);
  background: rgba(7, 9, 11, .58);
}

.move-feed-heading {
  min-height: 44px;
  padding: 0 7px 0 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #d6d9dd;
  font-size: 10px;
  font-weight: 780;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.move-feed-meta {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.feed-reset {
  min-height: 30px;
  padding: 0 8px;
  border: 1px solid transparent;
  background: transparent;
  color: #777f88;
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.feed-reset:hover {
  border-color: #414851;
  background: #15191d;
  color: #d4d8dd;
}

.feed-reset .button-icon {
  width: 13px;
  height: 13px;
}

#timeline-count {
  color: #686f78;
  font: 700 9px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .04em;
  text-transform: none;
}

.timeline {
  min-height: 112px;
  max-height: 246px;
  padding: 13px;
  display: flex;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  overflow-y: auto;
  scrollbar-color: #353a42 transparent;
}

.move-chip,
.history-chip {
  --token-color: var(--blue-face);
  min-width: 54px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid color-mix(in srgb, var(--token-color) 34%, var(--line));
  border-radius: 18px;
  background: color-mix(in srgb, var(--token-color) 7%, #11151a);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #c8cdd3;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.history-chip {
  --token-color: var(--orange-face);
}

.move-number {
  color: color-mix(in srgb, var(--token-color) 65%, #747b84);
  font-size: 7px;
}

.move-chip strong,
.history-chip strong {
  font-size: 10px;
}

.move-chip:hover {
  border-color: color-mix(in srgb, var(--token-color) 65%, var(--line));
  background: color-mix(in srgb, var(--token-color) 12%, #11151a);
}

.move-chip.done {
  opacity: .42;
}

.move-chip.active {
  --token-color: var(--lime);
  color: #090b0d;
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 0 18px rgba(197, 255, 46, .18);
}

.move-chip.active .move-number {
  color: #344405;
}

.timeline-empty {
  align-self: center;
  color: #666d75;
  font-size: 10px;
  line-height: 1.5;
}

.move-button {
  --face: var(--lime);
  position: relative;
  min-width: 0;
  height: 42px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, #191d22, #13171b);
  font: 760 11px ui-monospace, monospace;
}

.move-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--face);
  opacity: .62;
}

.move-button::after {
  content: "";
  position: absolute;
  width: 17px;
  height: 17px;
  right: -10px;
  bottom: -10px;
  border: 1px solid var(--face);
  transform: rotate(45deg);
  opacity: .35;
}

.move-button[data-face="U"] {
  --face: var(--white-face);
}

.move-button[data-face="L"] {
  --face: var(--red-face);
}

.move-button[data-face="F"] {
  --face: var(--blue-face);
}

.move-button[data-face="B"] {
  --face: var(--green-face);
}

.move-button[data-face="R"] {
  --face: var(--orange-face);
}

.move-button[data-face="D"] {
  --face: var(--yellow-face);
}

.move-button:hover {
  color: var(--face);
  border-color: color-mix(in srgb, var(--face) 58%, #252a30);
  background: color-mix(in srgb, var(--face) 9%, #15191d);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--face) 10%, transparent);
}

.move-button:active {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--face) 45%, transparent);
}

.primary-button,
.secondary-button {
  min-height: 42px;
  padding: 0 16px;
  font-size: 11px;
  font-weight: 780;
}

.primary-button {
  background: var(--lime);
  color: #0c0f08;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}

.primary-button:hover {
  background: #d2ff5d;
  box-shadow: 0 10px 24px rgba(197, 255, 46, .12);
}

.secondary-button {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: #c8ccd2;
}

.secondary-button:hover {
  border-color: #4d555e;
  background: #1b2025;
  box-shadow: 0 8px 22px rgba(40, 120, 235, .08);
}

input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--line-bright);
  border-left: 2px solid var(--blue-face);
  background:
    linear-gradient(135deg, rgba(40, 120, 235, .035), transparent 40%),
    #080a0c;
  color: var(--text);
  padding: 14px;
  line-height: 1.55;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.inline-actions {
  gap: 8px;
  margin-top: 11px;
  flex-wrap: wrap;
}

.input-message {
  min-height: 18px;
  margin: 9px 0 0 !important;
  color: #dca84e !important;
}

.input-message.success {
  color: var(--lime) !important;
}

dialog {
  width: min(560px, calc(100% - 28px));
  border: 1px solid var(--line-bright);
  border-top: 3px solid var(--lime);
  padding: 0;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(197, 255, 46, .06), transparent 38%),
    #0d1013;
  box-shadow: 0 34px 100px rgba(0, 0, 0, .78);
}

dialog::backdrop {
  background: rgba(3, 5, 7, .78);
  backdrop-filter: blur(8px);
}

dialog form {
  padding: 28px;
}

.dialog-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.dialog-heading h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
}

.dialog-heading h2 .button-icon {
  width: 20px;
  height: 20px;
  color: var(--lime);
}

dialog form>p {
  margin: 16px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

dialog form>label {
  display: block;
  margin-bottom: 8px;
  color: #c9cdd2;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.dialog-actions {
  justify-content: flex-end;
}

@media (max-width: 1050px) {
  .workspace {
    grid-template-columns: minmax(0, 1.35fr) minmax(340px, .85fr);
  }

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

  .control-footer {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .creator-link {
    justify-self: end;
  }
}

@media (max-width: 900px) {
  :root {
    --cube-size: min(57vw, 300px);
  }

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

  .stage-panel {
    grid-template-rows: auto minmax(420px, 1fr);
  }

  .control-panel {
    border-left: 0;
    border-top: 1px solid var(--line-bright);
  }

  .cube-scene {
    --circle-lift: -34px;
    min-height: 420px;
  }

  .cube {
    --cube-lift: -42px;
  }

  .move-pad {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 560px) {
  main {
    padding-inline: 12px;
    padding-top: 20px;
  }

  .workspace {
    border-left: 0;
    border-right: 0;
  }

  .stage-panel {
    padding-inline: 14px;
  }

  .control-section {
    padding: 28px 20px;
  }

  .resource-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .section-heading {
    align-items: flex-start;
  }

  .section-actions {
    max-width: 176px;
  }

  .section-actions .secondary-button {
    min-height: 36px;
    padding-inline: 10px;
  }

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

  .cube-scene::before {
    width: min(98vw, 480px);
  }

  .speed-control {
    display: none;
  }

  .playback .play {
    flex: 1;
  }

  .inline-actions>button {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}