:root {
  --paper: #f3f0e8;
  --paper-deep: #e7e1d5;
  --ink: #171714;
  --muted: #706d66;
  --line: #c9c3b7;
  --card: #fffdf8;
  --stage: #24231f;
  --accent: #ff6542;
  --accent-soft: #ffd6c9;
  --lime: #d8f36a;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 7px 7px 0 var(--ink);
  --page: min(1380px, calc(100vw - 48px));
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 255, 255, 0.72), transparent 25rem),
    var(--paper);
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}

button,
label,
select,
summary {
  cursor: pointer;
}

button:disabled,
select:disabled {
  cursor: not-allowed;
}

img,
canvas,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-width {
  width: var(--page);
  margin-inline: auto;
}

main {
  display: flex;
  flex-direction: column;
}

.hero { order: 0; }
.cube-section { order: 1; }
.domino-section { order: 2; }
.studio-section { order: 3; }
.process-section { order: 4; }
.tip-strip { order: 5; }

.visually-hidden {
  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;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 6px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid #1769ff;
  outline-offset: 3px;
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}

.brand {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.brand-image {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  object-fit: contain;
  background: transparent;
  filter: none;
}

.site-nav {
  display: flex;
  gap: 34px;
  font-size: 13px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
}

.site-nav a::after {
  position: absolute;
  content: "";
  height: 2px;
  left: 0;
  right: 100%;
  bottom: 5px;
  background: var(--accent);
  transition: right 180ms ease;
}

.site-nav a:hover::after {
  right: 0;
}

.header-badge {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  color: #56534d;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: none;
}

.header-by { text-transform: lowercase; }
.header-initials { text-transform: uppercase; }

.hero {
  min-height: 595px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 7vw, 120px);
  padding-block: 72px 82px;
  /* Keep the animated dominoes and their moving shadows from being clipped
     when they travel beyond the artwork's grid cell. */
  overflow: visible;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  font-size: 11px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--ink);
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(72px, 8.7vw, 142px);
  font-weight: 900;
  line-height: 0.79;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.hero h1 em {
  position: relative;
  display: inline-block;
  color: var(--accent);
  font-style: normal;
}

.hero h1 em::after {
  position: absolute;
  content: "";
  left: 2%;
  right: 0;
  bottom: -12px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  transform: rotate(-1.5deg) scaleY(0.35);
  opacity: 0.45;
}

.hero-lede {
  max-width: 600px;
  margin: 34px 0 0;
  color: #55524d;
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.55;
}

.hero-material-picker {
  min-width: 0;
  max-width: 720px;
  margin: 27px 0 0;
  padding: 0;
  border: 0;
}

.hero-picker-heading {
  display: flex;
  align-items: center;
  gap: 11px;
}

.hero-picker-heading > span,
.hero-source-step b {
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--white);
  font-size: 10px;
  font-weight: 900;
}

.hero-picker-heading strong,
.hero-picker-heading small {
  display: block;
}

.hero-picker-heading strong {
  font-size: 12px;
}

.hero-picker-heading small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 9px;
}

.hero-material-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin-top: 11px;
}

.hero-material-options label {
  min-width: 0;
  cursor: pointer;
}

.hero-material-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.hero-material-card {
  min-height: 88px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  background: var(--card);
  box-shadow: 3px 3px 0 rgba(23, 23, 20, 0.14);
  transition:
    color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.hero-material-options label:hover .hero-material-card {
  transform: translateY(-2px);
  box-shadow: 5px 5px 0 rgba(23, 23, 20, 0.2);
}

.hero-material-options input:checked + .hero-material-card {
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--ink);
}

.hero-material-options input:focus-visible + .hero-material-card {
  outline: 3px solid #1769ff;
  outline-offset: 3px;
}

.hero-material-icon {
  position: relative;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
}

.hero-domino-mark {
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #22221f;
  transform: rotate(-4deg);
}

.hero-domino-mark::after {
  position: absolute;
  content: "";
  left: 5px;
  right: 5px;
  top: 50%;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

.hero-domino-mark i {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #f4f0e7;
}

.hero-domino-mark i:nth-child(1) {
  left: 50%;
  top: 9px;
  transform: translateX(-50%);
}

.hero-domino-mark i:nth-child(2) {
  left: 10px;
  bottom: 8px;
}

.hero-domino-mark i:nth-child(3) {
  right: 10px;
  bottom: 8px;
}

.hero-cube-mark {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 3px;
  border: 2px solid #090908;
  border-radius: 7px;
  background: #090908;
  transform: rotate(4deg);
}

.hero-cube-mark i {
  min-width: 0;
  border-radius: 2px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.hero-material-copy {
  min-width: 0;
}

.hero-material-copy strong,
.hero-material-copy small {
  display: block;
}

.hero-material-copy strong {
  font-size: 13px;
}

.hero-material-copy small {
  margin-top: 3px;
  color: #656159;
  font-size: 9px;
  line-height: 1.35;
}

.hero-material-state {
  align-self: start;
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.58);
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero-material-state::after {
  content: "Choose";
}

.hero-material-options input:checked + .hero-material-card .hero-material-state {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--white);
}

.hero-material-options input:checked + .hero-material-card .hero-material-state::after {
  content: "Selected";
}

.hero-material-picker > .field-hint {
  margin: 9px 1px 0 38px;
  color: #55524d;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 28px;
}

.hero-action-note {
  max-width: 230px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button:not(:disabled):hover {
  transform: translateY(-2px);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
  box-shadow: 4px 4px 0 rgba(255, 101, 66, 0.6);
}

.button-dark:not(:disabled):hover {
  box-shadow: 6px 6px 0 var(--accent);
}

.button-accent {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.button-accent:not(:disabled):hover {
  box-shadow: 6px 6px 0 var(--ink);
}

.button:disabled {
  opacity: 0.42;
  box-shadow: none;
}

.button-full {
  width: 100%;
}

.text-link {
  padding-block: 9px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.text-link-button {
  border: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
}

.text-link span {
  margin-left: 5px;
  color: var(--accent);
}

.hero-art {
  position: relative;
  min-height: 420px;
}

.hero-art::before {
  position: absolute;
  content: "";
  width: 340px;
  height: 340px;
  left: 50%;
  top: 50%;
  border: 1px solid #d3cdc0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 34px rgba(255, 255, 255, 0.23), 0 0 0 35px #ddd6ca;
}

.display-domino {
  --move-x: 0px;
  --move-y: 0px;
  --hover-scale: 1;
  --hover-rotation: 0deg;
  --base-rotation: 0deg;
  --shadow-x: 16px;
  --shadow-y: 19px;
  --soft-shadow-x: 8px;
  --soft-shadow-y: 12px;
  position: absolute;
  z-index: 2;
  width: 120px;
  height: 240px;
  padding: 8px;
  display: grid;
  grid-template-rows: 1fr 1fr;
  background: #20201e;
  border: 2px solid var(--ink);
  border-radius: 18px;
  box-shadow:
    var(--shadow-x) var(--shadow-y) 0 rgba(23, 23, 20, 0.12),
    var(--soft-shadow-x) var(--soft-shadow-y) 25px rgba(23, 23, 20, 0.11);
  transform-origin: center;
  transform:
    translate(var(--move-x), var(--move-y))
    rotate(calc(var(--base-rotation) + var(--hover-rotation)))
    scale(var(--hover-scale));
  /* The domino stays in one 2D compositor layer throughout the interaction. */
  will-change: transform;
}

.display-domino::after {
  position: absolute;
  content: "";
  left: 10px;
  right: 10px;
  top: 50%;
  height: 2px;
  background: #53534f;
  transform: translateY(-1px);
}

.display-face {
  position: relative;
}

.display-face i {
  position: absolute;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #f6f0df;
  box-shadow: inset 1px 1px 1px rgba(255, 255, 255, 0.5), inset -1px -1px 1px rgba(0, 0, 0, 0.35);
}

.display-face i:nth-child(1) { left: 17%; top: 17%; }
.display-face i:nth-child(2) { right: 17%; bottom: 17%; }
.display-face i:nth-child(3) { right: 17%; top: 17%; }
.display-face i:nth-child(4) { left: 17%; bottom: 17%; }
.display-face i:nth-child(5) { left: 50%; top: 50%; transform: translate(-50%, -50%); }
.display-face i:nth-child(6) { right: 17%; top: 50%; transform: translateY(-50%); }
.display-face.pips-1 i:nth-child(1) { left: 50%; top: 50%; transform: translate(-50%, -50%); }
.display-face.pips-3 i:nth-child(2) { left: 50%; top: 50%; right: auto; bottom: auto; transform: translate(-50%, -50%); }
.display-face.pips-3 i:nth-child(3) { right: 17%; bottom: 17%; top: auto; }
.display-face.pips-4 i:nth-child(2) { right: 17%; top: 17%; bottom: auto; }
.display-face.pips-4 i:nth-child(3) { left: 17%; bottom: 17%; top: auto; right: auto; }
.display-face.pips-4 i:nth-child(4) { right: 17%; bottom: 17%; left: auto; }
.display-face.pips-5 i:nth-child(2) { right: 17%; top: 17%; bottom: auto; }
.display-face.pips-5 i:nth-child(3) { left: 17%; bottom: 17%; top: auto; right: auto; }
.display-face.pips-5 i:nth-child(4) { right: 17%; bottom: 17%; left: auto; }
.display-face.pips-6 i:nth-child(1) { left: 17%; top: 13%; }
.display-face.pips-6 i:nth-child(2) { right: 17%; top: 13%; bottom: auto; }
.display-face.pips-6 i:nth-child(3) { left: 17%; top: 50%; right: auto; transform: translateY(-50%); }
.display-face.pips-6 i:nth-child(4) { right: 17%; top: 50%; left: auto; bottom: auto; transform: translateY(-50%); }
.display-face.pips-6 i:nth-child(5) { left: 17%; top: auto; bottom: 13%; transform: none; }
.display-face.pips-6 i:nth-child(6) { right: 17%; top: auto; bottom: 13%; transform: none; }

.domino-a {
  --base-rotation: -19deg;
  left: 9%;
  top: 92px;
}

.domino-b {
  --base-rotation: 3deg;
  width: 130px;
  height: 260px;
  left: calc(50% - 65px);
  top: 57px;
  z-index: 4;
}

.domino-c {
  --base-rotation: 20deg;
  right: 7%;
  top: 112px;
}

.hero-art .domino-b {
  left: 9%;
  top: 84px;
}

.display-cube {
  --move-x: 0px;
  --move-y: 0px;
  --hover-scale: 1;
  --hover-rotation: 0deg;
  --base-rotation: 8deg;
  position: absolute;
  z-index: 4;
  width: 190px;
  height: 190px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 5px;
  padding: 9px;
  border: 2px solid var(--ink);
  border-radius: 17px;
  background: #090908;
  box-shadow:
    17px 20px 0 rgba(23, 23, 20, 0.15),
    9px 13px 27px rgba(23, 23, 20, 0.12);
  transform:
    translate(var(--move-x), var(--move-y))
    rotate(calc(var(--base-rotation) + var(--hover-rotation)))
    scale(var(--hover-scale));
  transform-origin: center;
  will-change: transform;
}

.display-cube i {
  min-width: 0;
  border-radius: 5px;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.24),
    inset 0 -2px 0 rgba(0, 0, 0, 0.16);
}

.hero-display-cube {
  right: 4%;
  top: 127px;
}

.art-note {
  position: absolute;
  z-index: 6;
  padding: 9px 13px;
  border: 1px solid var(--ink);
  background: var(--lime);
  box-shadow: 3px 3px 0 var(--ink);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.note-top {
  right: 3%;
  top: 29px;
  transform: rotate(3deg);
}

.note-bottom {
  left: 11%;
  bottom: 28px;
  background: var(--accent-soft);
  transform: rotate(-3deg);
}

.studio-section {
  padding: 76px 0 90px;
  color: var(--ink);
  background: #ddd8cd;
  border-block: 1px solid var(--ink);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 35px;
}

.section-heading h2 {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(45px, 5vw, 70px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.section-heading > p {
  max-width: 300px;
  margin: 0 0 5px;
  color: #5f5c56;
  font-size: 13px;
  text-align: right;
}

.studio-layout {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  align-items: start;
  gap: 22px;
}

.control-panel,
.result-panel {
  background: var(--card);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(23, 23, 20, 0.16);
}

.control-panel {
  position: sticky;
  top: 18px;
  padding: 25px;
}

.studio-material-context {
  min-height: 58px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--ink);
  border-radius: 9px;
  background: var(--lime);
  box-shadow: 3px 3px 0 rgba(23, 23, 20, 0.14);
}

.studio-material-context > span {
  color: #5c681e;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-material-context strong {
  grid-column: 1;
  font-size: 14px;
}

.studio-material-context button {
  grid-column: 2;
  grid-row: 1 / 3;
  padding: 7px 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  background: transparent;
  font-size: 8px;
  font-weight: 900;
  text-transform: uppercase;
}

.studio-material-context button span {
  color: var(--accent);
}

.panel-heading {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 17px;
}

.panel-heading.compact {
  margin-bottom: 24px;
}

.step-number {
  width: 31px;
  height: 31px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  font-size: 12px;
  font-weight: 900;
}

.panel-heading h3,
.result-toolbar h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.3;
}

.panel-heading p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.drop-zone {
  position: relative;
  min-height: 104px;
  display: flex;
  align-items: center;
  padding: 13px;
  border: 1.5px dashed #9c988f;
  border-radius: 10px;
  background: #f6f3ec;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.source-mode-control {
  margin-bottom: 14px;
}

.segmented-control.two-up {
  grid-template-columns: repeat(2, 1fr);
}

.source-mode-control .segmented-control span svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.source-panel {
  min-width: 0;
}

.text-source-panel > label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 800;
}

.text-input-wrap {
  position: relative;
}

.text-input-wrap textarea {
  width: 100%;
  min-height: 112px;
  display: block;
  resize: vertical;
  padding: 15px 15px 29px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: #f6f3ec;
  font-size: 20px;
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.text-input-wrap textarea::placeholder {
  color: #9b978e;
}

.text-input-wrap textarea:focus {
  border-color: var(--accent);
  background: #fffaf5;
  outline: 3px solid rgba(23, 105, 255, 0.28);
  outline-offset: 1px;
}

.text-input-wrap > span {
  position: absolute;
  right: 11px;
  bottom: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.drop-zone:hover,
.drop-zone.drag-over,
.drop-zone:focus-within {
  border-color: var(--accent);
  background: #fff3ed;
}

.drop-zone.drag-over {
  transform: translateY(-2px);
}

.file-input:focus + .drop-empty,
.file-input:focus + .drop-empty + .drop-preview {
  outline: 3px solid #1769ff;
  outline-offset: 5px;
  border-radius: 3px;
}

.drop-empty,
.drop-preview {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 13px;
}

.upload-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--ink);
  background: var(--accent-soft);
}

.upload-icon svg {
  width: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.drop-empty strong,
.drop-empty small,
.file-meta strong,
.file-meta small {
  display: block;
}

.drop-empty strong,
.file-meta strong {
  max-width: 190px;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drop-empty small,
.file-meta small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.drop-preview img {
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.file-meta {
  min-width: 0;
  flex: 1;
}

.change-label {
  font-size: 11px;
  font-weight: 800;
  text-decoration: underline;
}

.field-hint,
.field-error {
  margin: 8px 1px 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.4;
}

.field-error {
  color: #b32e1d;
  font-weight: 700;
}

.panel-rule {
  height: 1px;
  margin: 23px -25px;
  background: #ded9ce;
}

.control-group {
  min-width: 0;
  margin: 0 0 22px;
  padding: 0;
  border: 0;
}

.control-group legend,
.label-row > label,
.select-label > span:first-child {
  margin-bottom: 9px;
  font-size: 11px;
  font-weight: 800;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 2px;
}

.label-row > label {
  margin-bottom: 0;
}

.number-suffix {
  position: relative;
  display: flex;
  align-items: center;
}

.number-suffix input {
  width: 92px;
  height: 40px;
  padding: 6px 35px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.number-suffix span {
  position: absolute;
  right: 9px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  pointer-events: none;
}

.range-control {
  --range-progress: 24.1%;
  width: 100%;
  height: 28px;
  margin: 9px 0 0;
  appearance: none;
  background: transparent;
}

.range-control::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 9px;
  background: linear-gradient(to right, var(--accent) var(--range-progress), #d5d0c5 var(--range-progress));
}

.range-control::-moz-range-track {
  height: 4px;
  border-radius: 9px;
  background: #d5d0c5;
}

.range-control::-moz-range-progress {
  height: 4px;
  border-radius: 9px;
  background: var(--accent);
}

.range-control::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -7px;
  appearance: none;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 2px 2px 0 var(--ink);
}

.range-control::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 2px 2px 0 var(--ink);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: -1px;
  color: #918e87;
  font-size: 9px;
}

.segmented-control {
  display: grid;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eeebe4;
}

.segmented-control.three-up {
  grid-template-columns: repeat(3, 1fr);
}

.segmented-control label {
  min-width: 0;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented-control span {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 5px;
  border-radius: 5px;
  color: #6d6962;
  font-size: 11px;
  font-weight: 700;
  transition: background 150ms ease, color 150ms ease, box-shadow 150ms ease;
}

.segmented-control input:checked + span {
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 1px 4px rgba(23, 23, 20, 0.13);
}

.segmented-control input:focus-visible + span {
  outline: 3px solid #1769ff;
  outline-offset: 2px;
}

.orientation-icon {
  width: 7px;
  height: 12px;
  display: inline-block;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.orientation-icon.horizontal {
  width: 12px;
  height: 7px;
}

.palette-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.palette-choice {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 9px 5px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #6c6962;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
}

.palette-choice:has(input:checked) {
  border-color: var(--ink);
  color: var(--ink);
  background: #f7f4ed;
  box-shadow: inset 0 0 0 1px var(--ink);
}

.palette-choice input {
  position: absolute;
  opacity: 0;
}

.palette-choice input:focus-visible ~ .palette-swatch {
  outline: 3px solid #1769ff;
  outline-offset: 3px;
}

.palette-choice input:checked ~ .palette-swatch {
  outline: 1px solid var(--ink);
  outline-offset: 2px;
}

.palette-choice input:checked ~ span:last-child {
  color: var(--ink);
}

.palette-swatch {
  --pip-color: #20201e;
  --divider-color: rgba(32, 32, 30, 0.48);
  position: relative;
  width: 36px;
  height: 22px;
  display: block;
  overflow: hidden;
  border: 1px solid #8f8c84;
  border-radius: 5px;
  background: #f4ecda;
}

.palette-swatch::before,
.palette-swatch::after,
.palette-swatch i::before,
.palette-swatch i::after {
  position: absolute;
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--pip-color);
}

.palette-swatch::before { left: 4px; top: 4px; }
.palette-swatch::after { left: 10px; bottom: 4px; }
.palette-swatch i::before {
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
}

.palette-swatch i::after {
  left: 50%;
  top: 3px;
  width: 1px;
  height: 14px;
  border-radius: 1px;
  background: var(--divider-color);
}

.palette-swatch.obsidian {
  --pip-color: #f7f1df;
  --divider-color: rgba(247, 241, 223, 0.52);
  background: #20201e;
}

.palette-swatch.color {
  --pip-color: #fff;
  --divider-color: rgba(255, 255, 255, 0.72);
  background: linear-gradient(135deg, #265b80, #df8562 52%, #ead765);
}

.palette-swatch.color::before,
.palette-swatch.color::after,
.palette-swatch.color i::before { box-shadow: 0 0 1px #000; }

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

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

.select-label > span:first-child {
  display: block;
}

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

.select-wrap select {
  width: 100%;
  height: 42px;
  padding: 7px 30px 7px 10px;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: var(--white);
  font-size: 11px;
  font-weight: 700;
}

.select-wrap svg {
  position: absolute;
  width: 14px;
  right: 9px;
  top: 50%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transform: translateY(-50%);
  pointer-events: none;
}

.label-row output {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.toggle-list {
  margin-top: -5px;
  border-top: 1px solid #e0dcd3;
}

.toggle-row {
  min-height: 57px;
  display: flex;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid #e0dcd3;
}

.toggle-row > span {
  min-width: 0;
  flex: 1;
}

.toggle-row strong,
.toggle-row small {
  display: block;
}

.toggle-row strong {
  font-size: 11px;
}

.toggle-row small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.toggle-row input {
  position: absolute;
  opacity: 0;
}

.toggle-row i {
  position: relative;
  width: 36px;
  height: 21px;
  flex: 0 0 auto;
  border: 1px solid #9d9990;
  border-radius: 99px;
  background: #d4d0c7;
  transition: background 150ms ease, border-color 150ms ease;
}

.toggle-row i::after {
  position: absolute;
  content: "";
  width: 15px;
  height: 15px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform 150ms ease;
}

.toggle-row input:checked + i {
  border-color: var(--ink);
  background: var(--ink);
}

.toggle-row input:checked + i::after {
  transform: translateX(15px);
}

.toggle-row input:focus-visible + i {
  outline: 3px solid #1769ff;
  outline-offset: 3px;
}

.control-actions {
  margin-top: 24px;
}

.quiet-button {
  width: 100%;
  min-height: 36px;
  margin-top: 10px;
  border: 0;
  color: #6d6962;
  background: transparent;
  font-size: 10px;
  font-weight: 800;
  text-decoration: underline;
}

.quiet-button:disabled {
  opacity: 0.35;
}

.result-panel {
  min-width: 0;
  overflow: hidden;
}

.result-toolbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--ink);
}

.result-toolbar > div:first-child {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  column-gap: 10px;
}

.result-toolbar .status-dot {
  grid-row: 1 / 3;
  background: #9a978f;
  box-shadow: 0 0 0 3px rgba(154, 151, 143, 0.15);
}

.result-toolbar .status-dot.ready {
  background: #64aa42;
  box-shadow: 0 0 0 3px rgba(100, 170, 66, 0.15);
}

.result-toolbar .status-dot.working {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 101, 66, 0.2);
  animation: pulse 1s ease infinite;
}

.result-state {
  color: var(--muted);
  font-size: 9px;
}

.view-switcher {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ece9e2;
}

.view-switcher button {
  min-height: 42px;
  padding: 6px 11px;
  border: 0;
  border-radius: 4px;
  color: #625f59;
  background: transparent;
  font-size: 10px;
  font-weight: 800;
}

.view-switcher button.active {
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 1px 4px rgba(23, 23, 20, 0.13);
}

.view-switcher button:disabled {
  opacity: 0.45;
}

.preview-frame {
  position: relative;
  padding: 42px 35px 25px 61px;
  background: #bcb7ac;
}

.ruler {
  position: absolute;
  display: flex;
  color: #4a4843;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ruler::before,
.ruler::after {
  content: "";
  flex: 1;
}

.ruler-horizontal {
  height: 24px;
  left: 61px;
  right: 35px;
  top: 11px;
  align-items: center;
  gap: 10px;
}

.ruler-horizontal::before,
.ruler-horizontal::after {
  height: 7px;
  border-top: 1px solid #77736c;
}

.ruler-horizontal::before {
  border-left: 1px solid #77736c;
}

.ruler-horizontal::after {
  border-right: 1px solid #77736c;
}

.ruler-vertical {
  width: 29px;
  top: 42px;
  bottom: 25px;
  left: 21px;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}

.ruler-vertical::before,
.ruler-vertical::after {
  width: 7px;
  border-left: 1px solid #77736c;
}

.ruler-vertical::before {
  border-top: 1px solid #77736c;
}

.ruler-vertical::after {
  border-bottom: 1px solid #77736c;
}

.ruler-vertical span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.preview-stage {
  position: relative;
  min-height: clamp(430px, 48vw, 680px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid #0e0e0c;
  border-radius: 8px;
  color: #f7f2e7;
  background:
    radial-gradient(circle at 50% 43%, #393832 0, #272621 48%, #1e1e1a 100%);
  box-shadow: inset 0 0 0 6px #2e2d28, 3px 3px 0 rgba(23, 23, 20, 0.2);
}

.preview-stage::after {
  position: absolute;
  content: "";
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.10'/%3E%3C/svg%3E");
}

.preview-empty {
  position: relative;
  z-index: 1;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  text-align: center;
}

.preview-empty strong {
  margin-top: 20px;
  font-size: 14px;
}

.preview-empty p {
  margin: 7px 0 0;
  color: #aaa79f;
  font-size: 11px;
}

.ghost-grid {
  width: 128px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  transform: perspective(300px) rotateX(8deg) rotateZ(-3deg);
}

.ghost-grid span {
  position: relative;
  height: 68px;
  border: 1px solid #77756e;
  border-radius: 5px;
  opacity: 0.45;
  background: #3b3a35;
}

.ghost-grid span::after {
  position: absolute;
  content: "";
  left: 4px;
  right: 4px;
  top: 50%;
  border-top: 1px solid #77756e;
}

.preview-panes {
  position: absolute;
  z-index: 1;
  inset: 18px;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  min-width: 0;
}

.preview-panes:not([hidden]) {
  display: flex;
}

.preview-pane {
  position: relative;
  min-width: 0;
  max-width: 100%;
  height: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  overflow: hidden;
}

.preview-pane figcaption {
  position: absolute;
  z-index: 2;
  left: 8px;
  top: 8px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  color: #fff;
  background: rgba(0, 0, 0, 0.62);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.preview-pane img,
.preview-pane canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.28);
}

.preview-stage[data-view="mosaic"] .source-pane,
.preview-stage[data-view="source"] .mosaic-pane {
  display: none;
}

.preview-stage[data-view="mosaic"] .mosaic-pane,
.preview-stage[data-view="source"] .source-pane {
  flex: 0 1 100%;
}

.preview-stage[data-view="mosaic"] .preview-pane figcaption,
.preview-stage[data-view="source"] .preview-pane figcaption {
  display: none;
}

.result-summary {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.stat-card {
  min-width: 0;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.stat-card:last-child {
  border-right: 0;
}

.stat-card span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-card strong {
  margin-top: 5px;
  overflow: hidden;
  font-size: clamp(23px, 2.6vw, 37px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stat-card small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 8px;
}

.stat-primary {
  background: #fff5ec;
}

.stat-primary strong {
  color: #d64225;
}

.result-footer {
  min-height: 93px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 19px;
}

.formula-block span,
.formula-block strong {
  display: block;
}

.formula-block span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.formula-block strong {
  font-size: 12px;
}

.inventory-panel {
  border-top: 1px solid var(--line);
}

.inventory-panel[disabled] {
  pointer-events: none;
  opacity: 0.45;
}

.inventory-panel summary {
  min-height: 60px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 14px 19px;
  list-style: none;
  font-size: 11px;
  font-weight: 800;
}

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

.inventory-panel summary > span:first-child {
  display: flex;
  align-items: center;
  gap: 9px;
}

.inventory-panel summary svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.inventory-panel .inventory-summary {
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  text-align: right;
}

.inventory-panel .chevron {
  width: 16px;
  transition: transform 160ms ease;
}

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

.inventory-content {
  padding: 2px 19px 20px;
}

.inventory-content > p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 9px;
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.inventory-item {
  min-width: 0;
  padding: 7px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f7f4ed;
  text-align: center;
}

.inventory-item span,
.inventory-item strong {
  display: block;
}

.inventory-item span {
  color: var(--muted);
  font-size: 8px;
}

.inventory-item strong {
  margin-top: 2px;
  font-size: 11px;
}

.process-section {
  padding-block: 95px 110px;
}

.process-heading {
  margin-bottom: 43px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.process-card {
  position: relative;
  min-height: 360px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 5px 5px 0 rgba(23, 23, 20, 0.12);
}

.process-card.featured {
  background: var(--ink);
  color: var(--white);
}

.process-card.solver-process-card {
  background: #eef8bf;
}

.process-number {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.process-icon {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  margin: 45px auto 38px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.process-icon svg {
  width: 57px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.plan-icon {
  background: var(--lime);
}

.material-icon {
  background: #dce9ff;
}

.material-icon .process-material-svg {
  width: 76px;
}

.process-icon .process-domino-body,
.process-icon .scan-cube-body {
  fill: var(--card);
}

.process-icon .process-domino-pip {
  fill: var(--ink);
  stroke: none;
}

.process-icon .process-cube-shell {
  fill: var(--ink);
}

.process-icon .process-cube-red { fill: #e54836; stroke: none; }
.process-icon .process-cube-orange { fill: #f48632; stroke: none; }
.process-icon .process-cube-yellow { fill: #f4d44d; stroke: none; }
.process-icon .process-cube-green { fill: #3ba66b; stroke: none; }
.process-icon .process-cube-blue { fill: #3471c8; stroke: none; }
.process-icon .process-cube-white { fill: #f4f0e7; stroke: none; }

.preview-icon {
  background: var(--accent-soft);
}

.solver-icon {
  background: var(--accent);
}

.process-card h3 {
  margin: 0;
  font-size: 18px;
}

.process-card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.featured p {
  color: #bdb9af;
}

.tone-scale {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 45px -15px 38px;
}

.tone-scale > span {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: #f5edde;
  transform: rotate(-4deg);
}

.tone-scale > span:nth-child(even) {
  transform: rotate(4deg) translateY(6px);
}

.tone-scale > span i {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #1f1f1c;
  transform: translate(-50%, -50%);
}

.cube-section {
  position: relative;
  padding-block: clamp(80px, 9vw, 132px);
  overflow: hidden;
  color: var(--paper);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--ink);
  background-size: 38px 38px;
}

.cube-section::before {
  position: absolute;
  content: "";
  width: 420px;
  height: 420px;
  right: -175px;
  top: -180px;
  border: 80px solid rgba(255, 101, 66, 0.12);
  border-radius: 50%;
}

.cube-heading {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: clamp(50px, 9vw, 140px);
  margin-bottom: clamp(45px, 6vw, 78px);
}

.cube-heading .section-kicker {
  color: var(--lime);
}

.cube-heading h2 {
  margin: 0;
  font-size: clamp(56px, 7.3vw, 108px);
  line-height: 0.86;
  letter-spacing: -0.075em;
}

.cube-heading h2 em {
  position: relative;
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.cube-heading h2 em::after {
  position: absolute;
  content: "";
  height: 7px;
  left: 3%;
  right: -4%;
  bottom: 0;
  border-radius: 50%;
  background: var(--accent);
  transform: rotate(-2deg);
}

.cube-intro {
  max-width: 440px;
  margin: 0 0 4px;
  color: #bdb9af;
  font-size: 16px;
  line-height: 1.7;
}

.cube-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(430px, 1.05fr) minmax(350px, 0.75fr);
  align-items: center;
  gap: clamp(46px, 8vw, 122px);
}

.cube-study {
  margin: 0;
  padding: 15px 15px 14px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-deep);
  box-shadow: 10px 10px 0 var(--accent);
  transform: rotate(-1deg);
}

.cube-study-toolbar {
  min-height: 43px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 3px 3px 11px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cube-study-toolbar > span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.cube-study-toolbar > span i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3ba66b;
  box-shadow: 0 0 0 3px rgba(59, 166, 107, 0.15);
}

.cube-study-toolbar button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 0 4px;
  color: inherit;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.cube-study-toolbar button svg {
  width: 13px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
  transition: transform 260ms ease;
}

.cube-study-toolbar button:hover svg {
  transform: rotate(90deg);
}

.cube-board-wrap {
  padding: clamp(11px, 2vw, 20px);
  border: 1px solid #050504;
  border-radius: 8px;
  background: #11110f;
  box-shadow: inset 0 0 0 2px #2d2b26;
}

.cube-board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: clamp(2px, 0.55vw, 6px);
  aspect-ratio: 1;
}

.cube-face {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: clamp(1px, 0.16vw, 2px);
  padding: clamp(1px, 0.2vw, 2px);
  border-radius: 3px;
  background: #090908;
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.12);
}

.cube-face i {
  min-width: 0;
  border-radius: 1px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.17);
  transition: background-color 240ms ease;
}

.cube-study figcaption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 13px 3px 0;
  color: #66625a;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cube-study figcaption span:nth-child(2) {
  text-align: center;
}

.cube-study figcaption span:last-child {
  text-align: right;
}

.cube-notes-lede {
  max-width: 500px;
  margin: 0 0 38px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(23px, 2.2vw, 32px);
  line-height: 1.32;
  letter-spacing: -0.025em;
}

.cube-specs {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #4b4943;
}

.cube-specs li {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid #4b4943;
}

.cube-specs li > span {
  padding-top: 2px;
  color: var(--accent);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.cube-specs strong {
  display: block;
  font-size: 13px;
}

.cube-specs p {
  margin: 4px 0 0;
  color: #959188;
  font-size: 11px;
  line-height: 1.5;
}

.cube-palette {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
}

.cube-palette > span {
  margin-right: 5px;
  color: #aaa69d;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cube-palette i {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  border: 2px solid #090908;
  border-radius: 3px;
  box-shadow: 0 0 0 1px #4b4943;
}

.cube-palette small {
  margin-left: auto;
  color: #77736b;
  font-size: 9px;
}

.cube-red { background: #e54836; }
.cube-orange { background: #f48632; }
.cube-yellow { background: #f4d44d; }
.cube-green { background: #3ba66b; }
.cube-blue { background: #3471c8; }
.cube-white { background: #f4f0e7; }

.domino-section {
  position: relative;
  padding-block: clamp(80px, 9vw, 132px);
  overflow: hidden;
  border-bottom: 1px solid var(--ink);
  background:
    radial-gradient(circle at 86% 12%, rgba(216, 243, 106, 0.65), transparent 25rem),
    linear-gradient(rgba(23, 23, 20, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 23, 20, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 38px 38px, 38px 38px, auto;
}

.domino-section::before {
  position: absolute;
  content: "";
  width: 360px;
  height: 360px;
  left: -210px;
  bottom: -220px;
  border: 70px solid rgba(255, 101, 66, 0.13);
  border-radius: 50%;
}

.domino-heading .section-kicker {
  color: #776f21;
}

.domino-heading h2 {
  color: var(--ink);
}

.domino-heading .cube-intro {
  color: var(--muted);
}

.domino-showcase {
  direction: rtl;
}

.domino-showcase > * {
  direction: ltr;
}

.domino-study {
  background: var(--card);
  box-shadow: 10px 10px 0 var(--ink);
  transform: rotate(1deg);
}

.domino-study .cube-study-toolbar > span i {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 101, 66, 0.16);
}

.domino-board-wrap {
  padding: clamp(12px, 2vw, 21px);
  border: 1px solid #050504;
  border-radius: 8px;
  background:
    radial-gradient(circle at center, #36342e, #171714 72%);
  box-shadow: inset 0 0 0 2px #45423b;
}

.domino-study-board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-template-rows: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: clamp(2px, 0.35vw, 5px);
  aspect-ratio: 4 / 3;
}

.domino-study-piece {
  width: 72%;
  height: 100%;
  justify-self: center;
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid #050504;
  border-radius: clamp(3px, 0.45vw, 6px);
  background: #f5edde;
  box-shadow:
    0 2px 0 rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.domino-study-piece.is-horizontal {
  width: 100%;
  height: 100%;
  align-self: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: 1fr;
}

.domino-study-face,
.domino-mini-face {
  position: relative;
  min-width: 0;
}

.domino-study-face + .domino-study-face {
  border-top: 1px solid currentColor;
}

.domino-study-piece.is-horizontal .domino-study-face + .domino-study-face {
  border-top: 0;
  border-left: 1px solid currentColor;
}

.domino-study-face i,
.domino-mini-face i {
  position: absolute;
  width: clamp(2px, 0.38vw, 5px);
  height: clamp(2px, 0.38vw, 5px);
  border-radius: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.domino-study-board.finish-ivory .domino-study-piece {
  color: #1f1f1c;
  background: #f5edde;
}

.domino-study-board.finish-colour .domino-study-piece {
  color: #171714;
  background: #f5edde;
}

.domino-study-board.finish-colour .domino-study-face.is-subject {
  background: #f4d44d;
}

.domino-study-board.finish-obsidian .domino-study-piece {
  color: #f5edde;
  border-color: #e7dfd1;
  background: #171714;
}

.domino-tone-key {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 28px;
}

.domino-tone-key > span {
  margin-right: 6px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.domino-mini-face {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: #f5edde;
}

.domino-mini-face i {
  width: 4px;
  height: 4px;
}

.domino-generator-cta {
  margin-top: 28px;
}

.tip-strip {
  border-block: 1px solid var(--ink);
  background: var(--accent);
}

.tip-inner {
  min-height: 88px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.tip-label {
  padding: 7px 10px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--ink);
  color: var(--white);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tip-inner p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.tip-inner a {
  padding-bottom: 3px;
  border-bottom: 1px solid var(--ink);
  font-size: 11px;
  font-weight: 900;
}

.site-footer {
  padding: 48px 0;
  color: #eee9de;
  background: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
}

.footer-brand-image {
  filter: none;
}

.footer-inner p {
  margin: 0;
  color: #8e8b84;
  font-size: 10px;
  text-align: center;
}

.back-top {
  justify-self: end;
  color: #c8c4ba;
  font-size: 10px;
  font-weight: 800;
}

.motion-ready .motion-reveal {
  --reveal-x: 0;
  --reveal-y: 0;
  --reveal-scale: 1;
  --reveal-rotate: 0deg;
  --reveal-blur: 0;
  --reveal-clip: none;
  --reveal-clip-end: none;
  --reveal-duration: 720ms;
  --reveal-easing: cubic-bezier(0.2, 0.75, 0.25, 1);
  opacity: 0;
  translate: var(--reveal-x) var(--reveal-y);
  scale: var(--reveal-scale);
  rotate: var(--reveal-rotate);
  clip-path: var(--reveal-clip);
  filter: blur(var(--reveal-blur));
  transition:
    opacity var(--reveal-duration) var(--reveal-easing) var(--reveal-delay, 0ms),
    translate var(--reveal-duration) var(--reveal-easing) var(--reveal-delay, 0ms),
    scale var(--reveal-duration) var(--reveal-easing) var(--reveal-delay, 0ms),
    rotate var(--reveal-duration) var(--reveal-easing) var(--reveal-delay, 0ms),
    clip-path calc(var(--reveal-duration) + 100ms) var(--reveal-easing) var(--reveal-delay, 0ms),
    filter var(--reveal-duration) var(--reveal-easing) var(--reveal-delay, 0ms);
}

.motion-ready .motion-reveal.is-visible {
  opacity: 1;
  translate: 0 0;
  scale: 1;
  rotate: 0deg;
  clip-path: var(--reveal-clip-end);
  filter: blur(0);
}

.motion-reveal--type-uncover {
  --reveal-y: 16px;
  --reveal-clip: inset(0 0 105% 0);
  --reveal-clip-end: inset(-12%);
  --reveal-duration: 620ms;
}

.motion-reveal--art-pop {
  --reveal-y: 20px;
  --reveal-scale: 0.82;
  --reveal-rotate: -6deg;
  --reveal-duration: 880ms;
  --reveal-easing: cubic-bezier(0.16, 0.9, 0.24, 1.12);
}

.motion-reveal--heading-wipe {
  --reveal-x: -24px;
  --reveal-clip: inset(0 102% 0 0);
  --reveal-clip-end: inset(-12%);
  --reveal-duration: 820ms;
}

.motion-reveal--copy-glide {
  --reveal-x: 42px;
  --reveal-blur: 7px;
  --reveal-duration: 760ms;
}

.motion-reveal--board-left {
  --reveal-x: -58px;
  --reveal-y: 18px;
  --reveal-scale: 0.95;
  --reveal-rotate: -3deg;
  --reveal-duration: 900ms;
  --reveal-easing: cubic-bezier(0.16, 0.84, 0.24, 1);
}

.motion-reveal--board-right {
  --reveal-x: 58px;
  --reveal-y: 18px;
  --reveal-scale: 0.95;
  --reveal-rotate: 3deg;
  --reveal-duration: 900ms;
  --reveal-easing: cubic-bezier(0.16, 0.84, 0.24, 1);
}

.motion-reveal--notes-right {
  --reveal-x: 42px;
  --reveal-blur: 5px;
}

.motion-reveal--notes-left {
  --reveal-x: -42px;
  --reveal-blur: 5px;
}

.motion-reveal--studio-stamp {
  --reveal-scale: 1.08;
  --reveal-blur: 4px;
  --reveal-duration: 560ms;
  transform-origin: left bottom;
}

.motion-reveal--panel-unfold {
  --reveal-x: -30px;
  --reveal-clip: inset(0 100% 0 0 round 12px);
  --reveal-clip-end: inset(-12% round 12px);
  --reveal-duration: 960ms;
  transform-origin: left center;
}

.motion-reveal--preview-focus {
  --reveal-scale: 0.91;
  --reveal-blur: 12px;
  --reveal-duration: 920ms;
}

.motion-reveal--card-deal {
  --reveal-y: 52px;
  --reveal-rotate: -2.5deg;
  --reveal-clip: inset(100% 0 0 0 round 12px);
  --reveal-clip-end: inset(-12% round 12px);
  --reveal-duration: 700ms;
}

.motion-reveal--card-swing {
  --reveal-x: 42px;
  --reveal-rotate: 4deg;
  --reveal-scale: 0.96;
  --reveal-duration: 760ms;
  transform-origin: top right;
}

.motion-reveal--card-spotlight {
  --reveal-scale: 0.76;
  --reveal-clip: circle(0 at 50% 45%);
  --reveal-clip-end: circle(75% at 50% 50%);
  --reveal-duration: 820ms;
}

.motion-reveal--tip-snap {
  --reveal-x: -20px;
  --reveal-scale: 0.88;
  --reveal-duration: 520ms;
  --reveal-easing: cubic-bezier(0.18, 0.86, 0.3, 1.18);
}

.motion-reveal--footer-fade {
  --reveal-blur: 7px;
  --reveal-duration: 900ms;
}

.art-note {
  animation: note-float 4.8s ease-in-out infinite;
}

.note-bottom {
  animation-delay: -2.4s;
}

.cube-section::before {
  animation: backdrop-drift 13s ease-in-out infinite alternate;
}

.domino-section::before {
  animation: backdrop-drift 16s ease-in-out -5s infinite alternate-reverse;
}

.ghost-grid span {
  animation: ghost-piece-pulse 3.2s ease-in-out infinite;
}

.ghost-grid span:nth-child(2),
.ghost-grid span:nth-child(5),
.ghost-grid span:nth-child(8) {
  animation-delay: -1.05s;
}

.ghost-grid span:nth-child(3n) {
  animation-delay: -2.1s;
}

.cube-board.is-remixing .cube-grid-cell,
.domino-study-board.is-remixing .domino-study-piece {
  animation: mosaic-piece-build 460ms cubic-bezier(0.16, 0.84, 0.28, 1.18) both;
  animation-delay: var(--piece-delay, 0ms);
}

.hero-actions .button svg,
.cube-generator-cta svg,
.domino-generator-cta svg {
  transition: transform 220ms ease;
}

@media (hover: hover) {
  .hero-actions .button:hover svg,
  .cube-generator-cta:hover svg,
  .domino-generator-cta:hover svg {
    transform: translateX(4px);
  }

  .process-card {
    transition: transform 220ms ease, box-shadow 220ms ease;
  }

  .process-card:hover {
    transform: translateY(-5px);
    box-shadow: 8px 9px 0 rgba(23, 23, 20, 0.14);
  }

  .process-icon {
    transition: transform 260ms cubic-bezier(0.2, 0.75, 0.25, 1);
  }

  .process-card:hover .process-icon {
    transform: rotate(-3deg) scale(1.04);
  }
}

@keyframes note-float {
  50% { translate: 0 -6px; }
}

@keyframes backdrop-drift {
  to {
    translate: 18px 24px;
    scale: 1.06;
  }
}

@keyframes ghost-piece-pulse {
  0%, 100% { opacity: 0.28; }
  50% { opacity: 0.58; }
}

@keyframes mosaic-piece-build {
  from {
    opacity: 0;
    translate: 0 9px;
    scale: 0.82;
  }

  to {
    opacity: 1;
    translate: 0 0;
    scale: 1;
  }
}

@keyframes pulse {
  50% { opacity: 0.4; }
}

@media (max-width: 1180px) {
  :root { --page: min(100% - 36px, 1080px); }
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.65fr); gap: 45px; }
  .hero-material-card { grid-template-columns: auto minmax(0, 1fr); }
  .hero-material-state { display: none; }
  .display-domino { width: 95px; height: 190px; }
  .hero-art .domino-b { width: 105px; height: 210px; left: 3%; top: 96px; }
  .hero-display-cube { width: 155px; height: 155px; right: 1%; top: 137px; }
  .hero-art::before { width: 285px; height: 285px; }
  .display-face i { width: 10px; height: 10px; }
  .studio-layout { grid-template-columns: 355px minmax(0, 1fr); }
  .preview-frame { padding-left: 51px; padding-right: 25px; }
  .ruler-horizontal { left: 51px; right: 25px; }
  .ruler-vertical { left: 16px; }
  .stat-card { padding: 13px; }
  .inventory-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 1020px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .site-nav { display: flex; gap: 18px; font-size: 12px; }
  .header-badge { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 65px; }
  .hero-copy { position: relative; z-index: 2; }
  .hero h1 { font-size: clamp(72px, 16vw, 126px); }
  .hero-material-picker { max-width: none; }
  .hero-art { min-height: 330px; margin-top: 5px; }
  .hero-art::before { width: 265px; height: 265px; }
  .domino-a { left: calc(50% - 170px); top: 80px; }
  .hero-art .domino-b { left: calc(50% - 175px); top: 55px; }
  .hero-display-cube { width: 175px; height: 175px; left: calc(50% + 15px); right: auto; top: 84px; }
  .domino-c { right: calc(50% - 170px); top: 90px; }
  .note-top { right: calc(50% - 220px); }
  .note-bottom { left: calc(50% - 210px); bottom: 3px; }
  .studio-layout { grid-template-columns: 1fr; }
  .control-panel { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
  .control-panel > .panel-heading:first-child,
  .control-panel > .source-mode-control,
  .control-panel > .source-panel,
  .control-panel > .panel-rule,
  .control-panel > .panel-heading.compact,
  .control-panel > .control-actions { grid-column: 1 / -1; }
  .panel-rule { margin-inline: -25px; }
  .toggle-list { margin-top: 0; }
  .control-actions { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 15px; }
  .quiet-button { width: auto; margin: 0; padding-inline: 12px; }
  .preview-stage { min-height: 570px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-card { min-height: 280px; display: grid; grid-template-columns: 150px 1fr; grid-template-rows: auto 1fr auto; column-gap: 25px; }
  .process-card .process-number { grid-column: 1 / -1; }
  .process-icon,
  .tone-scale { grid-row: 2 / 4; grid-column: 1; align-self: center; margin: 15px auto 0; }
  .process-card h3 { grid-column: 2; align-self: end; margin-top: 30px; }
  .process-card p { grid-column: 2; align-self: start; }
  .tone-scale { width: 145px; min-height: 150px; flex-wrap: wrap; align-content: center; }
  .tone-scale > span { width: 34px; height: 34px; }
  .cube-heading { grid-template-columns: 1fr; align-items: start; gap: 24px; }
  .cube-intro { max-width: 560px; }
  .cube-showcase { grid-template-columns: minmax(380px, 0.95fr) minmax(320px, 0.75fr); gap: 48px; }
}

@media (max-width: 660px) {
  :root { --page: calc(100% - 24px); }
  html { scroll-padding-top: 72px; }
  .header-inner { min-height: 68px; }
  .site-nav { gap: 9px; font-size: 10px; }
  .hero { padding-block: 50px 55px; }
  .hero h1 { font-size: clamp(54px, 17vw, 76px); line-height: 0.83; }
  .hero-lede { margin-top: 27px; font-size: 16px; }
  .hero-material-options { grid-template-columns: 1fr; }
  .hero-material-card { grid-template-columns: auto minmax(0, 1fr) auto; }
  .hero-material-state { display: block; }
  .hero-material-picker > .field-hint { margin-left: 0; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 14px; }
  .hero-art { min-height: 280px; margin-top: -5px; transform: scale(0.86); }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .section-heading > p { text-align: left; }
  .studio-section { padding-block: 57px; }
  .control-panel { display: block; padding: 20px; }
  .panel-rule { margin-inline: -20px; }
  .control-actions { display: block; }
  .quiet-button { width: 100%; margin-top: 10px; }
  .result-toolbar { align-items: flex-start; flex-direction: column; }
  .view-switcher { width: 100%; }
  .view-switcher button { flex: 1; }
  .preview-frame { padding: 39px 13px 17px 40px; }
  .ruler-horizontal { left: 40px; right: 13px; top: 9px; }
  .ruler-vertical { left: 9px; top: 39px; bottom: 17px; }
  .preview-stage { min-height: 430px; }
  .preview-panes { inset: 9px; }
  .preview-stage[data-view="split"] .preview-panes { flex-direction: column; }
  .result-summary { grid-template-columns: 1fr 1fr; }
  .stat-card { border-bottom: 1px solid var(--line); }
  .stat-card:nth-child(2) { border-right: 0; }
  .stat-card:nth-child(3), .stat-card:nth-child(4) { border-bottom: 0; }
  .result-footer { align-items: stretch; flex-direction: column; }
  .result-footer .button { width: 100%; }
  .inventory-panel summary { grid-template-columns: auto auto; }
  .inventory-panel .inventory-summary { grid-column: 1 / -1; grid-row: 2; text-align: left; }
  .inventory-panel .chevron { grid-column: 2; grid-row: 1; }
  .inventory-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process-section { padding-block: 68px; }
  .process-card { min-height: 350px; display: block; }
  .process-icon { margin: 38px auto 32px; }
  .tone-scale { width: auto; min-height: 112px; margin: 38px -12px 32px; flex-wrap: nowrap; }
  .tone-scale > span { width: 35px; height: 35px; }
  .process-card h3 { margin-top: 0; }
  .cube-section { padding-block: 67px 74px; }
  .cube-heading h2 { font-size: clamp(54px, 16vw, 78px); }
  .cube-heading h2 em::after { height: 4px; }
  .cube-showcase { grid-template-columns: 1fr; gap: 57px; }
  .cube-study { padding: 10px 10px 12px; box-shadow: 7px 7px 0 var(--accent); transform: none; }
  .cube-board-wrap { padding: 9px; }
  .cube-board { gap: 3px; }
  .cube-face { gap: 1px; padding: 1px; border-radius: 2px; }
  .cube-study figcaption { grid-template-columns: 1fr auto; row-gap: 3px; }
  .cube-study figcaption span:nth-child(2) { grid-column: 1 / -1; grid-row: 2; text-align: left; }
  .cube-palette { flex-wrap: wrap; }
  .cube-palette small { width: 100%; margin: 3px 0 0; }
  .tip-inner { grid-template-columns: 1fr auto; gap: 12px; padding-block: 19px; }
  .tip-inner p { grid-column: 1 / -1; grid-row: 2; }
  .tip-inner a { grid-column: 2; grid-row: 1; }
  .footer-inner { grid-template-columns: 1fr auto; }
  .footer-inner p { grid-column: 1 / -1; grid-row: 2; text-align: left; }
}

@media (max-width: 390px) {
  .brand { gap: 7px; font-size: 10px; }
  .brand-image { width: 34px; height: 34px; flex-basis: 34px; }
  .header-inner { gap: 12px; }
  .site-nav { gap: 7px; font-size: 9px; }
  .site-nav a[href="#how-it-works"] { display: none; }
  .palette-options { grid-template-columns: 1fr; }
  .palette-choice { flex-direction: row; justify-content: flex-start; padding-inline: 12px; }
  .control-grid { grid-template-columns: 1fr; }
  .hero-art { margin-inline: -28px; }
  .hero-material-state { display: none; }
  .tone-scale { gap: 3px; margin-inline: -18px; }
  .tone-scale > span { width: 29px; height: 29px; }
  .cube-heading h2 { font-size: clamp(42px, 13vw, 58px); }
  .cube-study-toolbar { align-items: center; }
  .cube-study-toolbar > span { font-size: 8px; }
  .cube-study-toolbar button { font-size: 8px; }
  .cube-study figcaption { font-size: 8px; }
}

@media (max-height: 900px) and (min-width: 901px) {
  .control-panel { position: static; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Material selector and generated Rubik's Cube mosaic */
.material-control {
  margin: 0;
  padding: 15px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(216, 243, 106, 0.2), transparent 58%),
    #f6f3ec;
  box-shadow: 3px 3px 0 rgba(23, 23, 20, 0.12);
}

.material-control legend {
  padding: 0 5px;
  color: var(--ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.material-options {
  background: #e7e2d8;
}

.material-options span {
  min-height: 58px;
  flex-direction: column;
  gap: 4px;
  font-size: 10px;
}

.material-options span b {
  font-size: 11px;
}

.material-options span small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
}

.material-options span svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.35;
}

.material-options .material-domino-icon rect {
  fill: #ff6543;
  stroke: #1e1e1b;
}

.material-options .material-domino-icon path {
  stroke: #1e1e1b;
}

.material-options .material-domino-icon circle {
  fill: #f4f0e7;
  stroke: none;
}

.material-options .material-cube-icon {
  stroke: none;
}

.material-options .material-cube-icon .cube-icon-shell { fill: #171714; }
.material-options .material-cube-icon .cube-icon-red { fill: #e54836; }
.material-options .material-cube-icon .cube-icon-orange { fill: #f48632; }
.material-options .material-cube-icon .cube-icon-yellow { fill: #f4d44d; }
.material-options .material-cube-icon .cube-icon-green { fill: #3ba66b; }
.material-options .material-cube-icon .cube-icon-blue { fill: #3471c8; }
.material-options .material-cube-icon .cube-icon-white { fill: #f4f0e7; }

.material-options input:checked + span {
  color: var(--ink);
  background: var(--lime);
  box-shadow: 0 0 0 1px var(--ink), 2px 2px 0 var(--ink);
}

.material-control > .field-hint {
  margin: 11px 2px 0;
}

.cube-palette-control {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f6f3ec;
}

.cube-palette-label {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 800;
}

.cube-palette-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.cube-palette-choice {
  min-width: 0;
  cursor: pointer;
}

.cube-palette-choice > input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cube-palette-choice > span {
  min-height: 58px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-content: center;
  gap: 4px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.cube-palette-choice:hover > span {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.cube-palette-choice > input:checked + span {
  border-color: var(--ink);
  background: var(--lime);
  box-shadow: 2px 2px 0 var(--ink);
}

.cube-palette-choice > input:focus-visible + span {
  outline: 3px solid #1769ff;
  outline-offset: 2px;
}

.cube-palette-choice b {
  grid-column: 1 / -1;
  margin-bottom: 2px;
  font-size: 9px;
}

.cube-palette-choice i {
  min-width: 0;
  aspect-ratio: 1;
  border: 1px solid #090908;
  border-radius: 3px;
  background: var(--c);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.cube-palette-custom-choice {
  grid-column: 1 / -1;
}

.cube-palette-custom-choice > span {
  min-height: 46px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.cube-palette-custom-choice b {
  grid-column: auto;
  margin: 0;
  font-size: 10px;
}

.cube-palette-custom-choice small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
}

.custom-cube-palette {
  margin: 12px 0 0;
  padding: 12px;
  border: 1px dashed #aaa59b;
  border-radius: 8px;
  background: var(--card);
}

.custom-cube-palette legend {
  padding: 0 5px;
  font-size: 9px;
  font-weight: 900;
}

.custom-cube-palette > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.custom-cube-palette label {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  align-items: center;
  gap: 7px;
  padding: 6px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f6f3ec;
}

.custom-cube-palette label span {
  overflow: hidden;
  font-size: 8px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-cube-palette input[type="color"] {
  width: 32px;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--white);
  cursor: pointer;
}

.custom-cube-palette > p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 8px;
  line-height: 1.45;
}

.generated-cube-grid {
  --generated-cube-gap: 4px;
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: grid;
  align-content: center;
  justify-content: center;
  gap: var(--generated-cube-gap);
  padding: clamp(7px, 1.1vw, 14px);
  overflow: visible;
  border: 1px solid #050504;
  border-radius: 7px;
  background: #11110f;
  box-shadow:
    inset 0 0 0 2px #2d2b26,
    0 18px 55px rgba(0, 0, 0, 0.3);
}

.generated-cube-grid .cube-grid-cell {
  width: 100%;
  min-height: 0;
}

.generated-cube-grid .cube-face {
  position: relative;
  gap: clamp(1px, 0.12vw, 2px);
  padding: clamp(1px, 0.16vw, 2px);
}

.generated-cube-grid .cube-face::after {
  position: absolute;
  content: "";
  inset: -1px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: inherit;
  pointer-events: none;
}

.generated-cube-grid.is-gapless {
  gap: 0;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

.generated-cube-grid.is-gapless .cube-grid-cell {
  margin: 0;
  padding: 0;
}

.generated-cube-grid.is-gapless .cube-face {
  gap: 1px;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.generated-cube-grid.is-gapless .cube-face::after {
  display: block;
  inset: 0;
  border: 0;
  border-radius: 0;
  box-shadow:
    inset -1px 0 #090908,
    inset 0 -1px #090908;
}

.generated-cube-grid.is-gapless .cube-face i {
  border-radius: 0;
}

.cube-result-hint {
  min-height: 49px;
  padding: 12px 19px;
  color: var(--ink);
  border-top: 1px solid var(--ink);
  background: var(--lime);
}

.cube-result-hint p {
  margin: 0;
  font-size: 10px;
  font-weight: 750;
  line-height: 1.45;
}

html[data-mosaic-type="cube"] .stat-primary {
  background: #f2f8d8;
}

html[data-mosaic-type="cube"] .stat-primary strong {
  color: #4c6110;
}

.inventory-grid.cube-inventory-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.cube-inventory-item i {
  width: 21px;
  height: 21px;
  display: block;
  margin: 0 auto 5px;
  border: 2px solid #11110f;
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.cube-inventory-item span {
  text-transform: capitalize;
}

.cube-action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 28px;
}

.cube-generator-cta {
  width: fit-content;
  margin: 0;
}

.cube-generator-cta svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.cube-demo-solver-button {
  color: var(--paper);
  border-color: #77736c;
  background: transparent;
  box-shadow: none;
}

.cube-demo-solver-button:not(:disabled):hover {
  color: var(--ink);
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--accent);
}

@media (max-width: 1020px) {
  .control-panel > .material-control {
    grid-column: 1 / -1;
  }
}

@media (max-width: 660px) {
  .generated-cube-grid {
    padding: 6px;
  }

  html[data-mosaic-type="cube"] .mosaic-pane:has(.generated-cube-grid.is-scrollable) {
    align-items: flex-start;
    justify-content: flex-start;
    overflow: auto;
    scrollbar-color: var(--lime) #24231f;
    scrollbar-width: thin;
    overscroll-behavior: contain;
  }

  .generated-cube-grid.is-scrollable {
    flex: 0 0 auto;
    touch-action: pan-x pan-y;
  }

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

  .cube-generator-cta {
    width: 100%;
    justify-content: center;
  }

  .cube-action-row {
    align-items: stretch;
    flex-direction: column;
  }

  .cube-demo-solver-button {
    width: 100%;
  }
}

/* Rubik's Cube preparation workspace */
.cube-grid-cell {
  position: relative;
  min-width: 0;
  display: grid;
  aspect-ratio: 1;
}

button.cube-face {
  width: 100%;
  height: 100%;
  min-width: 0;
  margin: 0;
  border: 1px solid transparent;
  color: inherit;
  cursor: pointer;
  appearance: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    filter 160ms ease,
    transform 160ms ease;
}

button.cube-face:hover {
  z-index: 2;
  border-color: var(--lime);
  box-shadow:
    0 0 0 2px #11110f,
    0 0 0 4px var(--lime);
  filter: brightness(1.08);
  transform: scale(1.07);
}

button.cube-face:focus-visible {
  z-index: 3;
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

button.cube-face[aria-pressed="true"],
button.cube-face.is-selected {
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px #11110f,
    0 0 0 5px var(--accent);
}

.cube-board-hint {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 11px 3px -2px;
  color: #66625a;
  font-size: 10px;
  line-height: 1.45;
}

.cube-board-hint span {
  color: var(--ink);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cube-board-hint span::before {
  content: "↗";
  display: inline-block;
  margin-right: 5px;
  color: var(--accent);
}

body:has(.cube-prep-dialog[open]) {
  overflow: hidden;
}

.cube-prep-dialog {
  width: min(1460px, calc(100vw - 96px));
  max-width: none;
  height: min(920px, calc(100dvh - 28px));
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: visible;
  color: var(--ink);
  border: 0;
  background: transparent;
}

.cube-prep-dialog::backdrop {
  background: rgba(17, 17, 15, 0.78);
  backdrop-filter: blur(7px);
}

.cube-prep-dialog[open] {
  animation: cube-dialog-in 220ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.cube-window-arrow {
  position: absolute;
  top: 50%;
  z-index: 12;
  width: 48px;
  height: 72px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 11px;
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--ink);
  transition: opacity 150ms ease, transform 150ms ease, background 150ms ease;
}

.cube-window-arrow-previous {
  left: 0;
  transform: translate(-50%, -50%);
}

.cube-window-arrow-next {
  right: 0;
  transform: translate(50%, -50%);
}

.cube-window-arrow svg {
  width: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.cube-window-arrow:not(:disabled):hover {
  background: var(--accent);
}

.cube-window-arrow-previous:not(:disabled):hover {
  transform: translate(-50%, -50%) scale(1.06);
}

.cube-window-arrow-next:not(:disabled):hover {
  transform: translate(50%, -50%) scale(1.06);
}

.cube-window-arrow:disabled {
  opacity: 0.28;
  box-shadow: none;
  cursor: not-allowed;
}

.cube-prep-card {
  --solver-line: #d3cdc1;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 18px;
  background: var(--card);
  box-shadow: 10px 10px 0 var(--accent);
}

.cube-prep-header {
  position: relative;
  z-index: 5;
  min-height: 82px;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: center;
  gap: 22px;
  padding: 14px 18px 14px 26px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}

.cube-prep-header p,
.cube-prep-header h2 {
  margin: 0;
}

.cube-prep-header p {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.cube-prep-header p span {
  color: var(--accent);
}

.cube-prep-header h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(23px, 2.3vw, 34px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.cube-dialog-close {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--ink);
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.cube-dialog-close:hover {
  color: var(--ink);
  background: var(--accent);
  transform: rotate(4deg);
}

.cube-dialog-close svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.cube-prep-layout {
  min-height: 0;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
  overflow: hidden;
}

.cube-target-rail {
  min-height: 0;
  padding: 25px 24px;
  overflow-y: auto;
  color: var(--paper);
  border-right: 1px solid var(--ink);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--stage);
  background-size: 24px 24px;
  scrollbar-width: thin;
  scrollbar-color: #5a5750 transparent;
}

.cube-target-label {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #4e4b45;
}

.cube-target-label span {
  color: var(--lime);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cube-target-label strong {
  color: #aaa69d;
  font-size: 9px;
  font-weight: 700;
  text-align: right;
}

.target-cube-frame {
  width: min(100%, 206px);
  margin: 22px auto 0;
  padding: 13px;
  border: 1px solid #050504;
  border-radius: 12px;
  background: #11110f;
  box-shadow:
    inset 0 0 0 2px #34322d,
    6px 6px 0 var(--accent);
}

.target-cube-face {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 5px;
  aspect-ratio: 1;
  padding: 5px;
  border-radius: 7px;
  background: #080807;
}

.target-cube-face > * {
  min-width: 0;
  border-radius: 4px;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.26),
    inset 0 -2px 0 rgba(0, 0, 0, 0.15);
}

.target-cube-caption {
  max-width: 220px;
  margin: 18px auto 0;
  color: #a7a39a;
  font-size: 10px;
  line-height: 1.55;
  text-align: center;
}

.cube-hold-card {
  margin-top: 25px;
  padding: 14px;
  border: 1px solid #4e4b45;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
}

.cube-hold-card > span {
  display: block;
  color: #a7a39a;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.cube-hold-diagram {
  position: relative;
  width: 94px;
  height: 82px;
  margin: 13px auto 8px;
}

.cube-hold-diagram svg {
  position: absolute;
  inset: 0;
  fill: rgba(255, 255, 255, 0.045);
  stroke: #d0ccc2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.cube-hold-diagram > i {
  position: absolute;
  z-index: 1;
  display: block;
  border: 2px solid #11110f;
  border-radius: 2px;
  box-shadow: 0 0 0 1px #d0ccc2;
}

.hold-top {
  width: 20px;
  height: 10px;
  left: 37px;
  top: 15px;
  transform: skewY(26deg);
}

.hold-front {
  width: 20px;
  height: 20px;
  left: 37px;
  top: 42px;
}

.cube-hold-card > p {
  margin: 0;
  font-size: 10px;
  line-height: 1.45;
  text-align: center;
}

.cube-hold-card > p strong,
.cube-hold-card > p span {
  display: block;
}

.cube-hold-card > p span {
  color: #a7a39a;
}

.local-processing-note {
  display: grid;
  grid-template-columns: 23px 1fr;
  gap: 10px;
  margin-top: 18px;
  padding-top: 17px;
  color: #929087;
  border-top: 1px solid #4e4b45;
}

.local-processing-note svg {
  width: 21px;
  fill: none;
  stroke: var(--lime);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.local-processing-note p {
  margin: 0;
  font-size: 9px;
  line-height: 1.5;
}

.local-processing-note strong {
  display: block;
  margin-bottom: 2px;
  color: var(--paper);
  font-size: 10px;
}

.cube-prep-main {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 101, 66, 0.08), transparent 25rem),
    var(--card);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.cube-input-stage,
.cube-solution-stage {
  width: min(100%, 1060px);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 50px);
}

.cube-stage-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.6fr);
  align-items: end;
  gap: 38px;
}

.cube-stage-heading .section-kicker,
.cube-solving-stage .section-kicker,
.solution-heading .section-kicker {
  margin: 0 0 7px;
  color: #a84631;
}

.cube-stage-heading h3,
.cube-solving-stage h3,
.solution-heading h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 3.4vw, 45px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.cube-stage-heading > p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.cube-input-tabs {
  display: flex;
  gap: 5px;
  margin-top: 28px;
  padding: 4px;
  border: 1px solid var(--solver-line);
  border-radius: 9px;
  background: var(--paper-deep);
}

.cube-input-tabs button {
  min-height: 43px;
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 9px 14px;
  color: #6d6962;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  font-size: 11px;
  font-weight: 900;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.cube-input-tabs button:hover {
  color: var(--ink);
}

.cube-input-tabs button.active,
.cube-input-tabs button[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--card);
  box-shadow: 3px 3px 0 var(--ink);
}

.cube-input-tabs svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.camera-input-panel,
.manual-input-panel {
  margin-top: 16px;
}

.camera-workspace {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(360px, 1.15fr) minmax(290px, 0.75fr);
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 13px;
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--paper-deep);
}

.camera-view {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  color: var(--paper);
  border-right: 1px solid var(--ink);
  background:
    radial-gradient(circle at 50% 42%, #35342e 0, #191916 46%, #0b0b0a 100%);
}

.camera-view::after {
  position: absolute;
  z-index: 0;
  content: "";
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.055), transparent 38%);
}

.camera-view video {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.camera-placeholder {
  position: relative;
  z-index: 2;
  width: min(78%, 320px);
  display: grid;
  justify-items: center;
  text-align: center;
}

.camera-placeholder > span {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border: 1px solid #5d5a53;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.camera-placeholder svg {
  width: 28px;
  fill: none;
  stroke: var(--lime);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.camera-placeholder strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  font-weight: 400;
}

.camera-placeholder p {
  margin: 7px 0 0;
  color: #aaa69d;
  font-size: 10px;
  line-height: 1.55;
}

.camera-grid-guide {
  position: absolute;
  z-index: 3;
  width: min(66%, 290px);
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  border: 2px solid rgba(216, 243, 106, 0.88);
  border-radius: 10px;
  box-shadow:
    0 0 0 999px rgba(4, 4, 3, 0.26),
    0 0 24px rgba(216, 243, 106, 0.15);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.camera-grid-guide::before,
.camera-grid-guide::after,
.camera-grid-guide i {
  position: absolute;
  content: "";
  background: rgba(216, 243, 106, 0.64);
}

.camera-grid-guide i:nth-child(1),
.camera-grid-guide i:nth-child(2) {
  width: 1px;
  top: 0;
  bottom: 0;
}

.camera-grid-guide i:nth-child(1) { left: 33.333%; }
.camera-grid-guide i:nth-child(2) { left: 66.666%; }

.camera-grid-guide i:nth-child(3),
.camera-grid-guide i:nth-child(4) {
  height: 1px;
  left: 0;
  right: 0;
}

.camera-grid-guide i:nth-child(3) { top: 33.333%; }
.camera-grid-guide i:nth-child(4) { top: 66.666%; }

.camera-placeholder:not([hidden]) ~ .camera-grid-guide {
  opacity: 0.25;
}

.camera-live-badge {
  position: absolute;
  z-index: 4;
  left: 14px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(12, 12, 11, 0.74);
  backdrop-filter: blur(5px);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.camera-live-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e54836;
  box-shadow: 0 0 0 3px rgba(229, 72, 54, 0.2);
  animation: pulse 1.2s ease-in-out infinite;
}

.camera-instructions {
  min-width: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  padding: clamp(23px, 3vw, 34px);
}

.scan-progress-label {
  width: max-content;
  display: block;
  padding: 5px 8px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.camera-instructions h4 {
  margin: 17px 0 5px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(22px, 2.2vw, 31px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.camera-instructions > p {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

.scan-orientation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 18px;
}

.scan-orientation > span,
.solution-orientation > span {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--solver-line);
  border-radius: 6px;
  background: var(--card);
  font-size: 8px;
  white-space: nowrap;
}

.scan-orientation i,
.solution-orientation i {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border: 1px solid var(--ink);
  border-radius: 3px;
}

.scan-orientation b,
.solution-orientation b {
  font-size: 9px;
}

.scan-face-progress {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.scan-face-progress li {
  min-width: 0;
  min-height: 34px;
  display: grid;
  place-items: center;
  color: #89857d;
  border: 1px solid var(--solver-line);
  border-radius: 5px;
  background: var(--card);
  font-size: 8px;
  font-weight: 900;
}

.scan-face-progress li.active,
.scan-face-progress li[aria-current="step"] {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.scan-face-progress li.complete,
.scan-face-progress li.is-complete,
.scan-face-progress li[data-complete="true"] {
  color: var(--ink);
  border-color: #3ba66b;
  background: rgba(59, 166, 107, 0.13);
}

.camera-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: auto;
  padding-top: 21px;
}

.camera-actions .button {
  min-width: 0;
  padding-inline: 10px;
}

.camera-actions .quiet-button {
  width: auto;
  min-height: 30px;
  grid-column: 1 / -1;
  margin: 0;
  padding: 2px 8px;
}

.camera-support-note {
  margin-top: 7px !important;
  font-size: 8px !important;
  text-align: center;
}

.manual-input-panel {
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--ink);
  border-radius: 13px;
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--paper-deep);
}

.manual-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.manual-toolbar strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 400;
}

.manual-toolbar p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.manual-toolbar .quiet-button {
  width: auto;
  flex: 0 0 auto;
  margin: 0;
  padding-inline: 4px;
}

.manual-cube-net,
.solution-cube-net {
  display: grid;
  grid-template-columns: repeat(4, minmax(66px, 1fr));
  grid-template-rows: repeat(3, auto);
  gap: clamp(5px, 0.8vw, 10px);
  margin: 24px auto;
}

.manual-cube-net {
  width: min(100%, 660px);
}

.manual-cube-net > [data-face="U"],
.manual-cube-net > [data-cube-face="U"],
.solution-cube-net > [data-face="U"],
.solution-cube-net > [data-cube-face="U"] {
  grid-column: 2;
  grid-row: 1;
}

.manual-cube-net > [data-face="L"],
.manual-cube-net > [data-cube-face="L"],
.solution-cube-net > [data-face="L"],
.solution-cube-net > [data-cube-face="L"] {
  grid-column: 1;
  grid-row: 2;
}

.manual-cube-net > [data-face="F"],
.manual-cube-net > [data-cube-face="F"],
.solution-cube-net > [data-face="F"],
.solution-cube-net > [data-cube-face="F"] {
  grid-column: 2;
  grid-row: 2;
}

.manual-cube-net > [data-face="R"],
.manual-cube-net > [data-cube-face="R"],
.solution-cube-net > [data-face="R"],
.solution-cube-net > [data-cube-face="R"] {
  grid-column: 3;
  grid-row: 2;
}

.manual-cube-net > [data-face="B"],
.manual-cube-net > [data-cube-face="B"],
.solution-cube-net > [data-face="B"],
.solution-cube-net > [data-cube-face="B"] {
  grid-column: 4;
  grid-row: 2;
}

.manual-cube-net > [data-face="D"],
.manual-cube-net > [data-cube-face="D"],
.solution-cube-net > [data-face="D"],
.solution-cube-net > [data-cube-face="D"] {
  grid-column: 2;
  grid-row: 3;
}

.manual-net-face,
.solution-net-face,
.cube-net-face,
.manual-cube-net > [data-face],
.manual-cube-net > [data-cube-face],
.solution-cube-net > [data-face],
.solution-cube-net > [data-cube-face] {
  min-width: 0;
  padding: clamp(4px, 0.7vw, 8px);
  border: 1px solid #11110f;
  border-radius: 7px;
  background: #11110f;
}

.manual-net-face > span:first-child,
.solution-net-face > span:first-child,
.cube-net-face > span:first-child,
.manual-cube-net > [data-face] > span:first-child,
.solution-cube-net > [data-face] > span:first-child {
  display: block;
  margin-bottom: 4px;
  color: #d7d2c8;
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.manual-sticker-grid,
.solution-sticker-grid,
.cube-net-stickers,
.manual-cube-net > [data-face] > div,
.manual-cube-net > [data-cube-face] > div,
.solution-cube-net > [data-face] > div,
.solution-cube-net > [data-cube-face] > div {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 3px;
  aspect-ratio: 1;
}

.manual-sticker,
.cube-sticker,
.manual-cube-net button[data-colour],
.manual-cube-net button[data-color],
.manual-cube-net button[data-sticker-index] {
  min-width: 0;
  min-height: 0;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 0;
  color: #11110f;
  border: 1px solid rgba(8, 8, 7, 0.78);
  border-radius: 3px;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.25),
    inset 0 -2px 0 rgba(0, 0, 0, 0.13);
  font-size: clamp(7px, 0.8vw, 10px);
  font-weight: 900;
  line-height: 1;
  transition: filter 130ms ease, transform 130ms ease;
}

.manual-sticker:hover,
.cube-sticker:hover,
.manual-cube-net button[data-colour]:hover,
.manual-cube-net button[data-color]:hover,
.manual-cube-net button[data-sticker-index]:hover {
  filter: brightness(1.08);
  transform: scale(1.08);
}

.manual-sticker:disabled,
.cube-sticker:disabled,
.manual-cube-net button[data-sticker-index]:disabled {
  cursor: not-allowed;
  filter: saturate(0.78);
}

.manual-sticker:disabled::after,
.cube-sticker:disabled::after {
  content: "•";
  font-size: 13px;
}

.cube-colour-picker {
  margin: 24px 0 0;
  padding: 0;
  border: 0;
}

.cube-colour-picker legend {
  margin-bottom: 9px;
  color: #615e57;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.cube-colour-picker > div {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
}

.cube-colour-picker button,
.cube-colour-picker label {
  min-width: 0;
  min-height: 42px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 7px 5px;
  color: var(--ink);
  border: 1px solid var(--solver-line);
  border-radius: 6px;
  background: var(--card);
  font-size: 8px;
  font-weight: 900;
  text-transform: capitalize;
}

.cube-colour-picker button::before,
.cube-colour-picker label > i,
.cube-colour-picker label > span:first-of-type {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  border: 1px solid var(--ink);
  border-radius: 3px;
}

.cube-colour-picker button::before {
  content: "";
  background: var(--colour, var(--color, currentColor));
}

.cube-colour-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.cube-colour-picker button.active,
.cube-colour-picker button[aria-pressed="true"],
.cube-colour-picker label:has(input:checked) {
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(-1px, -1px);
}

.cube-colour-picker label:has(input:focus-visible) {
  outline: 3px solid #1769ff;
  outline-offset: 3px;
}

.cube-colour-counts {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}

.cube-colour-counts > * {
  min-width: 0;
  display: flex;
  justify-content: center;
  gap: 4px;
  color: #76726b;
  font-size: 8px;
  text-align: center;
}

.cube-colour-counts strong,
.cube-colour-counts b {
  color: var(--ink);
}

.cube-colour-counts .invalid,
.cube-colour-counts [data-valid="false"] {
  color: #b42d1d;
}

.cube-input-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  margin-top: 23px;
  padding-top: 20px;
  border-top: 1px solid var(--solver-line);
}

.cube-input-error {
  flex: 1 1 auto;
  margin: 0;
  padding: 9px 11px;
  color: #8e2519;
  border-left: 3px solid #e54836;
  background: rgba(229, 72, 54, 0.08);
  font-size: 10px;
  line-height: 1.5;
}

.cube-input-footer .button {
  flex: 0 0 auto;
}

.cube-solving-stage {
  min-height: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  padding: 60px 25px;
  text-align: center;
}

.cube-solving-stage > p:last-child {
  max-width: 470px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.solver-loader {
  display: flex;
  gap: 7px;
  margin-bottom: 26px;
}

.solver-loader span {
  width: 24px;
  height: 24px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: var(--accent);
  box-shadow: 3px 3px 0 var(--ink);
  animation: cube-loader 850ms ease-in-out infinite alternate;
}

.solver-loader span:nth-child(2) {
  background: var(--lime);
  animation-delay: 120ms;
}

.solver-loader span:nth-child(3) {
  background: #3471c8;
  animation-delay: 240ms;
}

.solution-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.solution-count {
  min-width: 72px;
  display: grid;
  justify-items: center;
  padding: 8px 11px;
  border: 1px solid var(--ink);
  border-radius: 7px;
  background: var(--lime);
  box-shadow: 3px 3px 0 var(--ink);
}

.solution-count strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 400;
  line-height: 1;
}

.solution-count span {
  margin-top: 2px;
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.solution-orientation {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 25px;
  padding: 10px;
  border: 1px solid var(--solver-line);
  border-radius: 8px;
  background: var(--paper);
}

.solution-orientation > strong {
  margin: 0 auto 0 2px;
  font-size: 9px;
}

.solution-workspace {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 285px);
  gap: 18px;
  margin-top: 17px;
}

.solution-current,
.move-list-panel {
  min-width: 0;
  border: 1px solid var(--ink);
  border-radius: 12px;
  background: var(--paper);
}

.solution-current {
  padding: clamp(17px, 2.4vw, 26px);
}

.solution-progress-row {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #64615a;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.solution-progress-row > div {
  height: 5px;
  flex: 1 1 auto;
  overflow: hidden;
  border-radius: 999px;
  background: #d9d3c7;
}

.solution-progress-row i {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--accent);
  transition: width 220ms ease;
}

.move-instruction-card {
  display: grid;
  grid-template-columns: 72px 86px minmax(0, 1fr);
  align-items: center;
  gap: clamp(14px, 2vw, 23px);
  margin-top: 20px;
  padding: clamp(16px, 2vw, 22px);
  color: var(--paper);
  border-radius: 10px;
  background: var(--stage);
}

.move-notation {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid #070706;
  border-radius: 8px;
  background: var(--accent);
  color: var(--ink);
  box-shadow: 4px 4px 0 #070706;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  line-height: 1;
}

.move-turn-visual {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.move-turn-visual span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid #aaa69d;
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 32%, #5d5952 32% 35%, transparent 35% 65%, #5d5952 65% 68%, transparent 68%),
    linear-gradient(transparent 32%, #5d5952 32% 35%, transparent 35% 65%, #5d5952 65% 68%, transparent 68%),
    var(--move-colour, #34322d);
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
}

.move-turn-visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--lime);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.move-turn-visual[data-turn="counterclockwise"] svg,
.move-turn-visual[data-turn="counter-clockwise"] svg {
  transform: scaleX(-1);
}

.move-turn-visual[data-turn="double"] svg {
  filter: drop-shadow(5px 0 0 var(--accent));
}

.move-direction {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.move-instruction-card h4 {
  margin: 5px 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(19px, 2vw, 26px);
  font-weight: 400;
  line-height: 1.12;
}

.move-instruction-card p {
  margin: 0;
  color: #aaa69d;
  font-size: 9px;
  line-height: 1.55;
}

.solution-net-wrap {
  margin-top: 20px;
  padding-top: 17px;
  border-top: 1px solid var(--solver-line);
}

.solution-net-wrap > span {
  color: #625f58;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.solution-cube-net {
  width: min(100%, 390px);
  grid-template-columns: repeat(4, minmax(44px, 1fr));
  gap: 5px;
  margin-block: 13px 0;
}

.solution-cube-net .solution-sticker,
.solution-cube-net .cube-sticker,
.solution-cube-net [data-sticker] {
  min-width: 0;
  aspect-ratio: 1;
  border: 1px solid #11110f;
  border-radius: 2px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.solution-controls {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.solution-controls .button {
  min-width: 135px;
}

.move-list-panel {
  align-self: stretch;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.move-list-panel > div {
  min-height: 52px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--ink);
}

.move-list-panel > div > strong {
  font-size: 10px;
}

.move-list-panel .quiet-button {
  width: auto;
  min-height: 30px;
  margin: 0;
  font-size: 8px;
}

.cube-move-list {
  min-height: 0;
  flex: 1 1 auto;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  list-style: none;
  counter-reset: cube-move;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.cube-move-list li {
  counter-increment: cube-move;
  margin: 0;
}

.cube-move-list li + li {
  margin-top: 5px;
}

.cube-move-list button,
.cube-move-list li:not(:has(button)) {
  width: 100%;
  min-height: 39px;
  display: grid;
  grid-template-columns: 23px 34px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  padding: 7px;
  color: #6a665f;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  font-size: 8px;
  text-align: left;
}

.cube-move-list button::before,
.cube-move-list li:not(:has(button))::before {
  content: counter(cube-move, decimal-leading-zero);
  color: #99958c;
  font-size: 7px;
  font-weight: 900;
}

.cube-move-list button:hover {
  color: var(--ink);
  border-color: var(--solver-line);
  background: var(--card);
}

.cube-move-list button.active,
.cube-move-list button[aria-current="step"],
.cube-move-list li.active,
.cube-move-list li[aria-current="step"] {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--accent-soft);
}

.cube-move-list strong,
.cube-move-list b,
.cube-move-list .move-code {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 400;
}

.cube-complete-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  margin-top: 18px;
  padding: 15px;
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 10px;
  background: #2f744f;
  box-shadow: 5px 5px 0 var(--ink);
}

.cube-complete-card > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--paper);
  border-radius: 50%;
  font-size: 21px;
}

.cube-complete-card strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  font-weight: 400;
}

.cube-complete-card p {
  margin: 3px 0 0;
  color: #d9e8df;
  font-size: 9px;
}

@keyframes cube-dialog-in {
  from {
    opacity: 0;
    transform: translateY(15px) scale(0.985);
  }
}

@keyframes cube-loader {
  to {
    transform: translateY(-11px) rotate(5deg);
  }
}

@media (max-width: 1120px) {
  .cube-prep-layout {
    grid-template-columns: 245px minmax(0, 1fr);
  }

  .cube-target-rail {
    padding-inline: 19px;
  }

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

  .camera-view {
    min-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .camera-actions {
    margin-top: 20px;
  }

  .solution-workspace {
    grid-template-columns: minmax(0, 1fr) 230px;
  }

  .move-instruction-card {
    grid-template-columns: 64px 72px minmax(0, 1fr);
  }
}

@media (max-width: 850px) {
  .cube-prep-layout {
    display: block;
    overflow-y: auto;
  }

  .cube-target-rail {
    display: grid;
    grid-template-columns: minmax(120px, 0.7fr) minmax(180px, 1fr);
    align-items: center;
    gap: 14px 22px;
    padding: 18px 22px;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .cube-target-label,
  .local-processing-note {
    grid-column: 1 / -1;
  }

  .target-cube-frame {
    width: min(100%, 150px);
    grid-column: 1;
    margin: 0 auto;
  }

  .target-cube-caption {
    display: none;
  }

  .cube-hold-card {
    grid-column: 2;
    margin: 0;
  }

  .local-processing-note {
    margin: 0;
  }

  .cube-prep-main {
    overflow: visible;
  }

  .cube-stage-heading {
    grid-template-columns: 1fr;
    gap: 13px;
  }

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

  .move-list-panel {
    max-height: 300px;
  }
}

@media (max-width: 660px) {
  .cube-board-hint {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    font-size: 9px;
  }

  button.cube-face:hover {
    border-color: transparent;
    box-shadow: 0 1px 1px rgba(255, 255, 255, 0.12);
    filter: none;
    transform: none;
  }

  .cube-prep-dialog {
    box-sizing: border-box;
    width: 100vw;
    height: 100dvh;
    margin: 0;
    overflow: hidden;
  }

  .cube-window-arrow {
    width: 40px;
    height: 58px;
    border-radius: 8px;
    box-shadow: 2px 2px 0 var(--ink);
  }

  .cube-prep-dialog .cube-window-arrow-previous {
    left: 8px;
    right: auto;
    transform: translateY(-50%);
  }

  .cube-prep-dialog .cube-window-arrow-next {
    left: auto;
    right: 8px;
    transform: translateY(-50%);
  }

  .cube-prep-dialog .cube-window-arrow-previous:not(:disabled):hover,
  .cube-prep-dialog .cube-window-arrow-next:not(:disabled):hover {
    transform: translateY(-50%);
  }

  .cube-prep-card {
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .cube-prep-header {
    min-height: 70px;
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 8px;
    padding:
      max(10px, env(safe-area-inset-top))
      max(12px, env(safe-area-inset-right))
      10px
      max(15px, env(safe-area-inset-left));
  }

  .cube-prep-header h2 {
    font-size: 22px;
  }

  .cube-prep-header p {
    font-size: 7px;
  }

  .cube-dialog-close {
    width: 40px;
    height: 40px;
  }

  .cube-prep-layout {
    overscroll-behavior: contain;
  }

  .cube-target-rail {
    grid-template-columns: minmax(95px, 0.7fr) minmax(160px, 1fr);
    gap: 12px 16px;
    padding:
      15px
      max(14px, env(safe-area-inset-right))
      16px
      max(14px, env(safe-area-inset-left));
  }

  .cube-target-label {
    padding-bottom: 8px;
  }

  .target-cube-frame {
    width: 106px;
    padding: 8px;
    border-radius: 8px;
    box-shadow: 4px 4px 0 var(--accent);
  }

  .target-cube-face {
    gap: 3px;
    padding: 3px;
  }

  .cube-hold-card {
    min-height: 110px;
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    align-items: center;
    padding: 10px;
  }

  .cube-hold-card > span {
    grid-column: 1 / -1;
  }

  .cube-hold-diagram {
    width: 76px;
    height: 67px;
    margin: 7px 0 0;
  }

  .hold-top {
    width: 16px;
    height: 8px;
    left: 30px;
    top: 12px;
  }

  .hold-front {
    width: 16px;
    height: 16px;
    left: 30px;
    top: 34px;
  }

  .cube-hold-card > p {
    text-align: left;
  }

  .local-processing-note {
    display: none;
  }

  .cube-input-stage,
  .cube-solution-stage {
    padding:
      23px
      max(14px, env(safe-area-inset-right))
      max(24px, env(safe-area-inset-bottom))
      max(14px, env(safe-area-inset-left));
  }

  .cube-stage-heading h3,
  .cube-solving-stage h3,
  .solution-heading h3 {
    font-size: clamp(28px, 9vw, 38px);
  }

  .cube-stage-heading > p {
    font-size: 10px;
  }

  .cube-input-tabs {
    margin-top: 21px;
  }

  .cube-input-tabs button {
    padding-inline: 8px;
    font-size: 9px;
  }

  .camera-workspace,
  .manual-input-panel,
  .solution-current,
  .move-list-panel {
    border-radius: 9px;
    box-shadow: none;
  }

  .camera-view {
    min-height: 0;
    aspect-ratio: 1;
  }

  .camera-grid-guide {
    width: 68%;
  }

  .camera-placeholder {
    width: 70%;
  }

  .camera-placeholder > span {
    width: 50px;
    height: 50px;
  }

  .camera-instructions {
    padding: 20px 16px;
  }

  .camera-instructions h4 {
    font-size: 24px;
  }

  .camera-actions .button {
    min-height: 45px;
    font-size: 11px;
  }

  .manual-input-panel {
    padding: 17px 12px;
  }

  .manual-toolbar {
    gap: 12px;
  }

  .manual-toolbar strong {
    font-size: 19px;
  }

  .manual-toolbar p {
    font-size: 9px;
  }

  .manual-toolbar .quiet-button,
  .camera-actions .quiet-button,
  .move-list-panel .quiet-button {
    width: auto;
    margin: 0;
  }

  .manual-cube-net {
    grid-template-columns: repeat(4, minmax(52px, 1fr));
    gap: 4px;
    margin-block: 18px;
  }

  .manual-net-face,
  .solution-net-face,
  .cube-net-face,
  .manual-cube-net > [data-face],
  .manual-cube-net > [data-cube-face],
  .solution-cube-net > [data-face],
  .solution-cube-net > [data-cube-face] {
    padding: 3px;
    border-radius: 5px;
  }

  .manual-sticker-grid,
  .solution-sticker-grid,
  .cube-net-stickers,
  .manual-cube-net > [data-face] > div,
  .manual-cube-net > [data-cube-face] > div,
  .solution-cube-net > [data-face] > div,
  .solution-cube-net > [data-cube-face] > div {
    gap: 2px;
  }

  .cube-colour-picker {
    margin-top: 18px;
  }

  .cube-colour-picker > div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cube-colour-counts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 4px;
  }

  .cube-input-footer {
    position: static;
    align-items: stretch;
    flex-direction: column;
    gap: 9px;
    margin-inline: 0;
    padding:
      14px
      0
      max(16px, env(safe-area-inset-bottom));
    background: transparent;
  }

  .cube-input-footer .button {
    width: 100%;
  }

  .cube-solving-stage {
    min-height: calc(100dvh - 70px);
  }

  .solution-heading {
    align-items: center;
  }

  .solution-count {
    min-width: 58px;
  }

  .solution-orientation {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .solution-orientation > strong {
    width: 100%;
    margin: 0 0 2px;
  }

  .solution-orientation > span {
    flex: 1 1 130px;
    justify-content: center;
  }

  .solution-workspace {
    gap: 14px;
  }

  .solution-current {
    padding: 15px 12px;
  }

  .move-instruction-card {
    grid-template-columns: 60px 72px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 12px;
  }

  .move-notation {
    font-size: 27px;
  }

  .move-instruction-card h4 {
    font-size: 19px;
  }

  .solution-cube-net {
    grid-template-columns: repeat(4, minmax(38px, 1fr));
  }

  .solution-controls {
    position: static;
    margin-inline: 0;
    padding: 0 0 max(5px, env(safe-area-inset-bottom));
    background: transparent;
  }

  .solution-controls .button {
    min-width: 0;
    flex: 1 1 0;
    padding-inline: 9px;
    font-size: 10px;
  }

  .move-list-panel {
    max-height: 330px;
  }

  .cube-complete-card {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .cube-complete-card > span {
    width: 38px;
    height: 38px;
  }

  .cube-complete-card .button {
    width: 100%;
    grid-column: 1 / -1;
  }
}

@media (max-width: 430px) {
  .cube-hold-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .cube-hold-diagram {
    transform: scale(0.88);
    transform-origin: left center;
  }

  .scan-orientation {
    grid-template-columns: 1fr;
  }

  .move-instruction-card {
    grid-template-columns: 52px 64px minmax(0, 1fr);
    gap: 9px;
  }

  .move-notation {
    font-size: 24px;
  }

  .move-instruction-card h4 {
    font-size: 17px;
  }

  .move-instruction-card p {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cube-prep-dialog[open],
  .solver-loader span,
  .camera-live-badge i {
    animation: none !important;
  }

  button.cube-face:hover,
  .manual-sticker:hover,
  .cube-sticker:hover {
    transform: none;
  }
}

/* Generated solver controls */
.manual-face,
.solution-face {
  min-width: 0;
  padding: clamp(4px, 0.7vw, 8px);
  border: 1px solid #11110f;
  border-radius: 7px;
  background: #11110f;
}

.manual-face-U,
.solution-face-U {
  grid-column: 2;
  grid-row: 1;
}

.manual-face-L,
.solution-face-L {
  grid-column: 1;
  grid-row: 2;
}

.manual-face-F,
.solution-face-F {
  grid-column: 2;
  grid-row: 2;
}

.manual-face-R,
.solution-face-R {
  grid-column: 3;
  grid-row: 2;
}

.manual-face-B,
.solution-face-B {
  grid-column: 4;
  grid-row: 2;
}

.manual-face-D,
.solution-face-D {
  grid-column: 2;
  grid-row: 3;
}

.manual-face-label,
.solution-face-label {
  display: block;
  margin-bottom: 4px;
  overflow: hidden;
  color: #d7d2c8;
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: center;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.manual-face-label {
  min-height: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  aspect-ratio: auto;
  grid-template-columns: none;
  grid-template-rows: none;
}

.manual-face-label > i {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  display: block;
  border: 1px solid #050504;
  border-radius: 2px;
  box-shadow: 0 0 0 1px #706d66;
}

.manual-face-label > span {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.manual-face-label strong {
  color: var(--paper);
  font-size: 7px;
}

.manual-face-label small {
  overflow: hidden;
  color: #9f9b92;
  font-size: 6px;
  text-overflow: ellipsis;
}

.manual-face-grid,
.solution-face-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 3px;
  aspect-ratio: 1;
}

.manual-sticker.centre-sticker {
  position: relative;
  cursor: not-allowed;
}

.manual-sticker::after {
  content: attr(data-letter);
  color: rgba(10, 10, 9, 0.84);
  font-size: inherit;
  font-weight: 900;
  text-shadow: 0 1px rgba(255, 255, 255, 0.28);
}

.manual-sticker.centre-sticker::after {
  content: "•";
  display: grid;
  place-items: center;
  color: rgba(17, 17, 15, 0.78);
  font-size: 13px;
  text-shadow: 0 1px rgba(255, 255, 255, 0.2);
}

.colour-picker-button::before {
  display: none;
}

.colour-picker-button .colour-swatch {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.colour-picker-button.active {
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(-1px, -1px);
}

.colour-count-item.invalid {
  color: #a92e1f;
  font-weight: 900;
}

.colour-count-item {
  align-items: center;
}

.colour-count-item > i {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  display: block;
  border: 1px solid var(--ink);
  border-radius: 2px;
}

.colour-count-item > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scan-face-progress li:has(.scan-face-chip) {
  min-height: 0;
  border: 0;
  background: transparent;
}

.scan-face-chip {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) 10px;
  align-items: center;
  gap: 3px;
  padding: 4px 2px;
  color: #89857d;
  border: 1px solid var(--solver-line);
  border-radius: 5px;
  background: var(--card);
  font-size: 8px;
  font-weight: 900;
  transition: border-color 150ms ease, color 150ms ease, background 150ms ease;
}

.scan-face-chip i {
  width: 9px;
  height: 9px;
  display: block;
  border: 1px solid var(--ink);
  border-radius: 2px;
}

.scan-face-chip span {
  min-width: 0;
  text-align: center;
}

.scan-face-chip small {
  color: inherit;
  font-size: 7px;
  text-align: right;
}

.scan-face-chip:hover:not(:disabled) {
  color: var(--ink);
  border-color: var(--ink);
}

.scan-face-chip.current {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.scan-face-chip.captured {
  color: var(--ink);
  border-color: #3ba66b;
  background: rgba(59, 166, 107, 0.13);
}

.solution-face.turning-face {
  position: relative;
  z-index: 1;
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px var(--card),
    0 0 0 4px var(--accent);
}

.move-list-button:has(.move-list-number)::before {
  display: none;
}

.cube-move-list .move-list-button {
  grid-template-columns: 31px minmax(0, 1fr);
}

.move-list-number {
  display: grid;
  place-items: center;
  align-self: stretch;
  color: #8d8981;
  border-right: 1px solid var(--solver-line);
  font-size: 7px;
  font-weight: 900;
}

.move-list-copy {
  min-width: 0;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
}

.move-list-copy strong,
.move-list-copy b,
.move-list-copy .move-code {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 400;
}

.move-list-copy span,
.move-list-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.move-list-button.current {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--accent-soft);
}

.move-list-button.complete {
  color: #706d66;
  background: rgba(59, 166, 107, 0.08);
}

.move-list-button.complete .move-list-number {
  color: #2f744f;
}

@media (max-width: 660px) {
  .solution-face {
    padding: 3px;
  }

  .solution-face-grid {
    gap: 2px;
  }

  .move-list-copy {
    display: grid;
    grid-template-columns: 33px minmax(0, 1fr);
  }

  .cube-move-list .move-list-button {
    grid-template-columns: 28px minmax(0, 1fr);
  }
}