:root {
  color-scheme: light;
  --art-ink: #102b24;
  --art-ink-deep: #061712;
  --art-forest: #173a31;
  --art-forest-light: #285744;
  --art-paper: #f4e8bd;
  --art-paper-light: #fff7d7;
  --art-paper-shadow: #b79558;
  --art-gold: #e1bb4f;
  --art-coral: #d9664c;
  --art-leaf: #8fbb43;
  --art-aqua: #7bc6be;
  --art-wood: #75482e;
  --art-wood-dark: #3d281d;
  --art-font: "Fusion Pixel 12px Monospaced SC", "Zpix", "Microsoft YaHei", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--art-ink-deep);
  scroll-behavior: smooth;
}

body.pixel-art-tools {
  position: relative;
  isolation: isolate;
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  color: var(--art-ink);
  background: var(--art-ink-deep) !important;
  font-family: var(--art-font);
}

body.pixel-art-tools::before,
body.pixel-art-tools::after {
  position: fixed;
  z-index: 0;
  inset: 0;
  content: "";
  pointer-events: none;
}

body.pixel-art-tools::before {
  background-color: var(--art-ink-deep);
  background-image: url("/assets/pixel-greenhouse-interior.png");
  background-position: center;
  background-size: cover;
  image-rendering: pixelated;
}

body.pixel-art-tools::after {
  background: rgba(5, 23, 18, .54);
}

button,
input,
select {
  font: inherit;
}

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

img,
svg,
canvas {
  display: block;
  max-width: 100%;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
}

[hidden] {
  display: none !important;
}

.art-page,
.test-panel {
  position: relative;
  z-index: 1;
}

.pixel-art-tools .art-page {
  width: min(1500px, calc(100% - 28px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 14px 0 40px;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

.art-header,
.challenge-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  min-height: 76px;
  padding: 10px 16px;
  color: var(--art-paper-light);
  background: rgba(8, 29, 24, .94);
  border: 4px solid var(--art-ink-deep);
  border-bottom: 5px solid var(--art-gold);
  box-shadow: 6px 6px 0 rgba(4, 17, 14, .88);
}

.art-brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 10px;
  min-width: 0;
  color: var(--art-paper-light);
  text-decoration: none;
}

.art-brand > span:last-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.art-brand strong {
  overflow: hidden;
  font-size: 17px;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.art-brand small {
  color: var(--art-leaf);
  font-size: 9px;
}

.art-brand-mark {
  position: relative;
  display: block;
  width: 34px;
  height: 36px;
  flex: 0 0 auto;
  background: var(--art-wood);
  border: 4px solid var(--art-ink-deep);
  box-shadow: 3px 3px 0 var(--art-ink-deep), inset 0 -6px 0 #52311f;
}

.art-brand-mark::before,
.art-brand-mark::after,
.art-brand-mark i {
  position: absolute;
  content: "";
}

.art-brand-mark::before,
.art-brand-mark::after {
  top: -13px;
  width: 13px;
  height: 17px;
  background: var(--art-leaf);
  border: 3px solid var(--art-ink-deep);
}

.art-brand-mark::before {
  left: 0;
}

.art-brand-mark::after {
  right: 0;
  background: #6f9d38;
}

.art-brand-mark i {
  top: 0;
  left: 12px;
  width: 4px;
  height: 21px;
  background: #264b31;
}

.art-title-lockup,
.challenge-title {
  display: grid;
  justify-items: center;
  gap: 3px;
  min-width: 0;
  text-align: center;
}

.art-title-lockup p,
.art-title-lockup h1,
.challenge-title p,
.challenge-title h1 {
  margin: 0;
}

.art-title-lockup p,
.challenge-title p {
  color: var(--art-gold);
  font-size: 8px;
}

.art-title-lockup h1,
.challenge-title h1 {
  color: var(--art-paper-light);
  font-size: 18px;
  line-height: 1.2;
  text-shadow: 2px 2px 0 var(--art-ink-deep);
}

.art-back-link {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 7px;
  min-height: 40px;
  padding: 7px 11px;
  color: var(--art-ink);
  background: var(--art-gold);
  border: 3px solid var(--art-ink-deep);
  box-shadow: 3px 3px 0 var(--art-wood-dark);
  font-size: 10px;
  text-decoration: none;
}

.art-back-link:hover {
  color: var(--art-ink-deep);
  background: #ffe07d;
}

.art-back-link:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}

.codex-console {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) minmax(280px, 340px);
  align-items: stretch;
  gap: 0;
  min-height: 210px;
  margin-top: 16px;
  color: var(--art-paper-light);
  background: rgba(10, 35, 28, .92);
  border: 5px solid var(--art-ink-deep);
  box-shadow: 7px 7px 0 rgba(4, 17, 14, .82);
}

.codex-keeper {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: end;
  justify-items: center;
  min-width: 0;
  margin: 0;
  padding: 10px 8px 8px;
  overflow: hidden;
  background: #6aa790;
  border-right: 4px solid var(--art-ink-deep);
  box-shadow: inset 0 -18px 0 var(--art-wood);
}

.codex-keeper svg {
  width: 92px;
  height: 150px;
}

.codex-keeper figcaption {
  z-index: 1;
  width: 100%;
  padding: 4px;
  color: var(--art-paper-light);
  background: var(--art-ink);
  border: 2px solid var(--art-ink-deep);
  font-size: 8px;
  text-align: center;
}

.codex-dialogue {
  position: relative;
  align-self: center;
  margin: 20px;
  padding: 18px 20px;
  color: var(--art-ink);
  background: var(--art-paper);
  border: 4px solid var(--art-ink-deep);
  box-shadow: 5px 5px 0 var(--art-paper-shadow), inset 0 0 0 3px #d5bd79;
}

.codex-dialogue::before {
  position: absolute;
  top: 48%;
  left: -14px;
  width: 14px;
  height: 18px;
  content: "";
  background: var(--art-paper);
  border-top: 4px solid var(--art-ink-deep);
  border-bottom: 4px solid var(--art-ink-deep);
}

.codex-dialogue span {
  color: #8b3f30;
  font-size: 9px;
}

.codex-dialogue h2 {
  margin: 8px 0 10px;
  color: var(--art-ink);
  font-size: 22px;
  line-height: 1.25;
}

.codex-dialogue p {
  margin: 0;
  color: #645b43;
  font-size: 10px;
  line-height: 1.8;
}

.codex-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-self: center;
  gap: 8px;
  min-width: 0;
  margin: 20px 20px 20px 0;
}

.codex-stats div {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 72px;
  padding: 9px;
  background: #285342;
  border: 3px solid var(--art-ink-deep);
  box-shadow: 3px 3px 0 #071b16;
  text-align: center;
}

.codex-stats dt {
  color: #b7d7af;
  font-size: 8px;
}

.codex-stats dd {
  margin: 5px 0 0;
  color: var(--art-gold);
  font-size: 19px;
}

.codex-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  margin-top: 14px;
  padding: 8px;
  background: rgba(8, 29, 24, .94);
  border: 4px solid var(--art-ink-deep);
  box-shadow: 5px 5px 0 rgba(4, 17, 14, .8);
}

.codex-index a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  min-width: 0;
  min-height: 46px;
  color: var(--art-paper-light);
  background: #285342;
  border: 3px solid #071b16;
  text-decoration: none;
}

.codex-index a:hover {
  color: var(--art-ink-deep);
  background: var(--art-gold);
}

.codex-index b {
  display: grid;
  place-items: center;
  align-self: stretch;
  color: var(--art-ink-deep);
  background: var(--art-coral);
  border-right: 3px solid #071b16;
  font-size: 8px;
}

.codex-index span {
  min-width: 0;
  padding: 7px;
  overflow: hidden;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pixel-art-tools .art-band {
  scroll-margin-top: 12px;
  margin-top: 16px;
  padding: 16px;
  color: var(--art-ink);
  background: rgba(244, 232, 189, .97);
  border: 5px solid var(--art-ink-deep);
  box-shadow: 6px 6px 0 var(--art-wood-dark), inset 0 0 0 4px #d7c083;
}

.band-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
  padding: 4px 4px 12px;
  border-bottom: 4px solid var(--art-wood);
}

.band-heading p,
.band-heading h2 {
  margin: 0;
}

.band-heading p {
  margin-bottom: 5px;
  color: #944331;
  font-size: 8px;
}

.band-heading h2 {
  color: var(--art-ink);
  font-size: 19px;
  line-height: 1.25;
}

.band-heading > span {
  flex: 0 0 auto;
  padding: 5px 7px;
  color: var(--art-paper-light);
  background: var(--art-forest);
  border: 3px solid var(--art-ink-deep);
  box-shadow: 3px 3px 0 var(--art-paper-shadow);
  font-size: 8px;
}

.palette-grid,
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
  gap: 11px;
}

.pixel-art-tools :where(.palette, .asset-card) {
  position: relative;
  min-width: 0;
  padding: 10px;
  background: var(--art-paper-light);
  border: 3px solid #315b48;
  box-shadow: 4px 4px 0 var(--art-paper-shadow);
}

.palette {
  display: grid;
  gap: 8px;
  min-height: 112px;
}

.palette strong {
  font-size: 11px;
}

.palette > small {
  min-width: 0;
  overflow: hidden;
  color: #766b50;
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  height: 46px;
  border: 3px solid var(--art-ink-deep);
  box-shadow: inset 0 -4px 0 rgba(23, 50, 41, .18);
}

.swatches span {
  min-width: 0;
  border-right: 2px solid rgba(6, 23, 18, .46);
}

.swatches span:last-child {
  border-right: 0;
}

.asset-card {
  display: grid;
  grid-template-rows: 112px auto;
  place-items: center;
  gap: 8px;
  min-height: 154px;
  overflow: hidden;
}

.asset-card::before,
.asset-card::after {
  position: absolute;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--art-gold);
  border: 2px solid var(--art-ink-deep);
}

.asset-card::before {
  top: 5px;
  left: 5px;
}

.asset-card::after {
  right: 5px;
  bottom: 5px;
  background: var(--art-coral);
}

.asset-card img {
  width: 100%;
  height: 108px;
  object-fit: contain;
}

.asset-card[data-kind="decoration"] {
  grid-template-rows: 86px auto;
  min-height: 128px;
}

.asset-card[data-kind="decoration"] img {
  height: 80px;
}

.asset-card[data-kind="tutor"] {
  grid-template-rows: 132px auto;
  min-height: 176px;
  background: #d4ebe1;
}

.asset-card[data-kind="tutor"] img {
  height: 128px;
}

.asset-card small {
  z-index: 1;
  max-width: 100%;
  padding: 4px 5px;
  overflow-wrap: anywhere;
  color: var(--art-ink);
  background: #ead9a8;
  border: 2px solid #8c7049;
  font-size: 8px;
  line-height: 1.45;
  text-align: center;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.pixel-art-tools .reference-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  image-rendering: auto;
  background: var(--art-paper-light);
  border: 4px solid #315b48;
  box-shadow: 4px 4px 0 var(--art-ink-deep);
}

.test-shell {
  display: grid;
  min-height: 100vh;
  place-items: start center;
  padding: 18px;
}

.pixel-five-second .test-panel {
  --test-scale: .75;
  width: min(1320px, 100%);
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: var(--art-ink);
  background: rgba(8, 29, 24, .94);
  border: 6px solid var(--art-ink-deep);
  box-shadow: 9px 9px 0 rgba(4, 17, 14, .82);
}

.challenge-header {
  border: 0;
  border-bottom: 5px solid var(--art-gold);
  box-shadow: 0 5px 0 var(--art-wood-dark);
}

.challenge-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-width: 0;
}

.observer-briefing {
  display: grid;
  align-content: start;
  min-width: 0;
  padding: 18px;
  color: var(--art-paper-light);
  background: rgba(20, 65, 50, .96);
  border-right: 5px solid var(--art-ink-deep);
  box-shadow: inset -7px 0 0 #315b48;
}

.observer-character {
  display: grid;
  place-items: end center;
  min-height: 230px;
  overflow: hidden;
  background: #6aa790;
  border: 4px solid var(--art-ink-deep);
  border-bottom: 11px solid var(--art-wood);
  box-shadow: 5px 5px 0 #0a251d;
}

.observer-character svg {
  width: 132px;
  height: 196px;
}

.observer-dialogue {
  position: relative;
  margin-top: 14px;
  padding: 13px;
  color: var(--art-ink);
  background: var(--art-paper);
  border: 4px solid var(--art-ink-deep);
  box-shadow: 4px 4px 0 #0a251d, inset 0 0 0 3px #d5bd79;
}

.observer-dialogue::before {
  position: absolute;
  top: -12px;
  left: 28px;
  width: 14px;
  height: 14px;
  content: "";
  background: var(--art-paper);
  border-top: 4px solid var(--art-ink-deep);
  border-left: 4px solid var(--art-ink-deep);
  transform: rotate(45deg);
}

.observer-dialogue span {
  color: #8b3f30;
  font-size: 8px;
}

.observer-dialogue p {
  margin: 7px 0 0;
  color: #554b37;
  font-size: 9px;
  line-height: 1.75;
}

.challenge-route {
  display: grid;
  gap: 7px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.challenge-route li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  min-width: 0;
  min-height: 42px;
  background: #285342;
  border: 3px solid var(--art-ink-deep);
  box-shadow: 3px 3px 0 #0a251d;
}

.challenge-route li[data-state="active"] {
  color: var(--art-ink-deep);
  background: var(--art-gold);
}

.challenge-route b {
  display: grid;
  place-items: center;
  align-self: stretch;
  color: var(--art-ink-deep);
  background: var(--art-coral);
  border-right: 3px solid var(--art-ink-deep);
  font-size: 8px;
}

.challenge-route span {
  min-width: 0;
  padding: 8px;
  overflow: hidden;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.challenge-workspace {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 650px;
  padding: 24px;
  background: rgba(244, 232, 189, .97);
}

.pixel-five-second #start-panel,
.pixel-five-second .concept-form {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 20px;
  background: var(--art-paper-light);
  border: 5px solid var(--art-ink-deep);
  box-shadow: 7px 7px 0 var(--art-paper-shadow), inset 0 0 0 4px #e0cc8d;
}

.challenge-screen,
.concept-form {
  display: grid;
  gap: 16px;
}

.screen-heading {
  position: relative;
  padding: 2px 70px 13px 2px;
  border-bottom: 4px solid var(--art-wood);
}

.screen-heading p,
.screen-heading h2 {
  margin: 0;
}

.screen-heading p {
  margin-bottom: 5px;
  color: #944331;
  font-size: 8px;
}

.screen-heading h2 {
  color: var(--art-ink);
  font-size: 24px;
  line-height: 1.25;
}

.screen-heading > span {
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px 7px;
  color: var(--art-paper-light);
  background: var(--art-forest);
  border: 3px solid var(--art-ink-deep);
  font-size: 8px;
}

.participant-fields {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(0, 1.2fr);
  align-items: end;
  gap: 12px;
}

.participant-fields > label:first-child,
.phase-field {
  display: grid;
  gap: 7px;
  color: #4d3c2c;
  font-size: 10px;
}

.pixel-five-second :where(input[type="text"], input:not([type]), select) {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 9px 10px;
  color: var(--art-ink);
  background: #fffaf0;
  border: 3px solid #315b48;
  box-shadow: inset 3px 3px 0 #dfcf9c;
}

.eligibility-field {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  color: var(--art-ink);
  background: #e8dcad;
  border: 3px solid #315b48;
  font-size: 9px;
  line-height: 1.5;
  cursor: pointer;
}

.eligibility-field input,
.concept-options input {
  appearance: none;
  width: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  background: var(--art-paper-light);
  border: 3px solid var(--art-ink-deep);
  box-shadow: inset 2px 2px 0 #c4af79;
  cursor: pointer;
}

.eligibility-field input:checked,
.concept-options input:checked {
  background: var(--art-gold);
  box-shadow: inset 4px 4px 0 var(--art-leaf), inset -4px -4px 0 var(--art-coral);
}

.pixel-five-second .primary-command,
.pixel-five-second .export-command {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 50px;
  padding: 9px 14px;
  color: var(--art-paper-light);
  background: #5f8f35;
  border: 4px solid var(--art-ink-deep);
  box-shadow: 5px 5px 0 #3e5e22;
  font-size: 10px;
  cursor: pointer;
}

.pixel-five-second .primary-command:not(:disabled):hover,
.pixel-five-second .export-command:not(:disabled):hover {
  filter: brightness(1.08);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 #3e5e22;
}

.pixel-five-second .primary-command:not(:disabled):active,
.pixel-five-second .export-command:not(:disabled):active {
  filter: none;
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0 #3e5e22;
}

.test-scene {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #071a15;
  border: 5px solid var(--art-ink-deep);
  box-shadow: 7px 7px 0 var(--art-paper-shadow);
}

.test-scene iframe {
  width: 1280px;
  height: 800px;
  border: 0;
  transform: scale(var(--test-scale));
  transform-origin: top left;
  pointer-events: none;
}

.countdown-plaque {
  position: absolute;
  z-index: 3;
  top: 10px;
  right: 10px;
  display: grid;
  gap: 2px;
  min-width: 86px;
  padding: 7px 9px;
  color: var(--art-paper-light);
  background: rgba(8, 29, 24, .94);
  border: 3px solid var(--art-gold);
  box-shadow: 3px 3px 0 var(--art-ink-deep);
  text-align: center;
}

.countdown-plaque span {
  color: var(--art-aqua);
  font-size: 7px;
}

.countdown-plaque b {
  color: var(--art-gold);
  font-size: 10px;
}

.test-panel:has(#test-scene:not([hidden])) .challenge-layout {
  grid-template-columns: minmax(0, 1fr);
}

.test-panel:has(#test-scene:not([hidden])) .observer-briefing {
  display: none;
}

.test-panel:has(#test-scene:not([hidden])) .challenge-workspace {
  min-height: 0;
  padding: 18px;
}

.concept-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.pixel-five-second .concept-options label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-width: 0;
  min-height: 48px;
  padding: 8px 10px;
  color: var(--art-ink);
  background: #e8dcad;
  border: 3px solid #315b48;
  box-shadow: 3px 3px 0 var(--art-paper-shadow);
  font-size: 9px;
  cursor: pointer;
}

.concept-options label:has(input:checked) {
  color: var(--art-ink-deep);
  background: #d6e7ae;
  border-color: var(--art-leaf);
  box-shadow: 3px 3px 0 #668838;
}

.phase-field {
  grid-template-columns: 120px minmax(0, 1fr);
  align-items: center;
}

.challenge-result:not(:empty) {
  display: block;
  width: min(720px, 100%);
  margin: 0 auto 14px;
  padding: 14px 16px 14px 34px;
  color: #dff1bd;
  background: var(--art-forest);
  border: 4px solid var(--art-ink-deep);
  box-shadow: 5px 5px 0 var(--art-paper-shadow);
  font-size: 10px;
  line-height: 1.65;
}

.challenge-result:not(:empty)::before {
  margin-left: -20px;
  margin-right: 8px;
  color: var(--art-gold);
  content: ">";
}

.pixel-five-second .export-command {
  width: min(720px, 100%);
  margin: 0 auto;
  color: var(--art-ink-deep);
  background: var(--art-aqua);
  box-shadow: 5px 5px 0 #467e75;
}

@media (max-width: 1100px) {
  .codex-console {
    grid-template-columns: 125px minmax(0, 1fr);
  }

  .codex-stats {
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 0 18px 18px;
  }

  .codex-stats div {
    min-height: 58px;
  }

  .pixel-five-second .test-panel {
    --test-scale: .57;
  }

  .challenge-layout {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .observer-character {
    min-height: 200px;
  }

  .observer-character svg {
    width: 112px;
    height: 172px;
  }
}

@media (max-width: 900px) {
  .art-header,
  .challenge-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .art-title-lockup,
  .challenge-title {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-items: start;
    width: 100%;
    padding-top: 8px;
    border-top: 3px solid #315447;
    text-align: left;
  }

  .art-header,
  .challenge-header {
    gap: 8px 14px;
  }

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

  .challenge-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .observer-briefing {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 14px;
    padding: 14px;
    border-right: 0;
    border-bottom: 5px solid var(--art-ink-deep);
    box-shadow: inset 0 -7px 0 #315b48;
  }

  .observer-character {
    grid-row: 1 / 3;
    min-height: 194px;
  }

  .observer-character svg {
    width: 100px;
    height: 168px;
  }

  .observer-dialogue {
    align-self: end;
    margin: 0;
  }

  .observer-dialogue::before {
    top: 50%;
    left: -12px;
    border-right: 0;
    border-bottom: 4px solid var(--art-ink-deep);
    transform: rotate(-45deg);
  }

  .challenge-route {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-self: start;
    margin: 0;
  }

  .challenge-route li {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .pixel-five-second .test-panel {
    --test-scale: .62;
  }
}

@media (max-width: 800px) {
  .reference-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .challenge-workspace {
    order: 1;
    min-height: 570px;
    padding: 18px;
  }

  .observer-briefing {
    order: 2;
  }

  .pixel-five-second .test-panel {
    --test-scale: .52;
  }
}

@media (max-width: 620px) {
  .pixel-art-tools .art-page {
    width: min(100% - 16px, 1500px);
    padding-top: 8px;
  }

  .art-header,
  .challenge-header {
    padding: 9px 10px;
  }

  .art-brand strong {
    font-size: 14px;
  }

  .art-brand small {
    display: none;
  }

  .art-brand-mark {
    width: 29px;
    height: 32px;
  }

  .art-back-link {
    padding: 6px 8px;
    font-size: 9px;
  }

  .art-title-lockup h1,
  .challenge-title h1 {
    font-size: 16px;
  }

  .codex-console {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .codex-keeper {
    padding-inline: 4px;
  }

  .codex-keeper svg {
    width: 72px;
    height: 122px;
  }

  .codex-keeper figcaption {
    font-size: 7px;
  }

  .codex-dialogue {
    margin: 12px;
    padding: 13px;
  }

  .codex-dialogue h2 {
    font-size: 16px;
  }

  .codex-dialogue p {
    font-size: 9px;
  }

  .codex-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 12px 12px;
  }

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

  .pixel-art-tools .art-band {
    padding: 12px;
  }

  .band-heading {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .band-heading h2 {
    font-size: 16px;
  }

  .asset-grid,
  .palette-grid {
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  }

  .test-shell {
    padding: 8px;
  }

  .pixel-five-second .test-panel {
    --test-scale: .24;
    border-width: 5px;
  }

  .challenge-workspace {
    min-height: 500px;
    padding: 10px;
  }

  .observer-briefing {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
    padding: 10px;
  }

  .observer-character {
    min-height: 150px;
  }

  .observer-character svg {
    width: 75px;
    height: 128px;
  }

  .observer-dialogue {
    padding: 10px;
  }

  .observer-dialogue p {
    font-size: 8px;
  }

  .challenge-route {
    grid-column: 1 / -1;
  }

  .challenge-route li {
    grid-template-columns: 26px minmax(0, 1fr);
  }

  .challenge-route span {
    padding-inline: 4px;
    font-size: 7px;
  }

  .pixel-five-second #start-panel,
  .pixel-five-second .concept-form {
    padding: 14px;
  }

  .screen-heading {
    padding-right: 58px;
  }

  .screen-heading h2 {
    font-size: 19px;
  }

  .participant-fields,
  .concept-options,
  .phase-field {
    grid-template-columns: minmax(0, 1fr);
  }

  .phase-field {
    gap: 7px;
  }

  .test-panel:has(#test-scene:not([hidden])) .challenge-workspace {
    padding: 8px;
  }
}

@media (max-width: 360px) {
  .art-brand {
    gap: 6px;
  }

  .art-brand strong {
    font-size: 12px;
  }

  .art-back-link span {
    display: none;
  }

  .codex-index {
    grid-template-columns: minmax(0, 1fr);
  }

  .asset-grid,
  .palette-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pixel-five-second .test-panel {
    --test-scale: .18;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Dialogue and answer controls get stepped 16-bit silhouettes and selection badges. */
.codex-dialogue,
.observer-dialogue {
  background-image:
    linear-gradient(90deg, var(--art-gold) 0 8px, transparent 8px),
    linear-gradient(180deg, rgba(255,255,255,.34), transparent 22px);
}

.codex-dialogue::after,
.observer-dialogue::after {
  position: absolute;
  top: -4px;
  right: 14px;
  width: 18px;
  height: 6px;
  background: var(--art-gold);
  box-shadow: -6px 6px 0 var(--art-teal), 6px 6px 0 var(--art-coral);
  content: "";
}

.pixel-five-second .eligibility-field,
.pixel-five-second .concept-options label,
.pixel-five-second .phase-field select,
.pixel-five-second button,
.challenge-result:not(:empty) {
  --answer-notch: 8px;
  clip-path: polygon(
    0 var(--answer-notch), 4px var(--answer-notch), 4px 4px, var(--answer-notch) 4px,
    var(--answer-notch) 0, calc(100% - var(--answer-notch)) 0,
    calc(100% - var(--answer-notch)) 4px, calc(100% - 4px) 4px,
    calc(100% - 4px) var(--answer-notch), 100% var(--answer-notch),
    100% calc(100% - var(--answer-notch)), calc(100% - 4px) calc(100% - var(--answer-notch)),
    calc(100% - 4px) calc(100% - 4px), calc(100% - var(--answer-notch)) calc(100% - 4px),
    calc(100% - var(--answer-notch)) 100%, var(--answer-notch) 100%,
    var(--answer-notch) calc(100% - 4px), 4px calc(100% - 4px),
    4px calc(100% - var(--answer-notch)), 0 calc(100% - var(--answer-notch))
  );
}

.pixel-five-second .eligibility-field,
.pixel-five-second .concept-options label {
  position: relative;
  filter: drop-shadow(3px 3px 0 #6d5638);
}

.pixel-five-second .concept-options label::after {
  position: absolute;
  top: 5px;
  right: 7px;
  color: transparent;
  content: "◆";
  font-size: 8px;
}

.pixel-five-second .concept-options label:has(input:checked)::after {
  color: var(--art-coral);
  text-shadow: 3px 0 0 var(--art-gold);
}

.pixel-five-second .eligibility-field:has(input:checked) {
  background: #dcebb9;
  border-color: var(--art-leaf);
  filter: drop-shadow(3px 3px 0 #668838);
}

.pixel-five-second .phase-field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--art-ink-deep) 50%),
    linear-gradient(135deg, var(--art-ink-deep) 50%, transparent 50%),
    linear-gradient(90deg, var(--art-gold) 0 5px, transparent 5px);
  background-position:
    calc(100% - 15px) 50%,
    calc(100% - 10px) 50%,
    0 0;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px, auto;
  padding-right: 32px;
}

.pixel-five-second button {
  filter: drop-shadow(2px 2px 0 var(--art-ink-deep));
}

.pixel-five-second button:not(:disabled):active {
  filter: drop-shadow(0 0 0 transparent);
}

@media (max-width: 420px) {
  .pixel-five-second .eligibility-field,
  .pixel-five-second .concept-options label,
  .pixel-five-second .phase-field select,
  .pixel-five-second button,
  .challenge-result:not(:empty) {
    --answer-notch: 6px;
  }
}

/* Reference-aligned paper, wood, brass and terminal control skin. */
.pixel-art-tools {
  --art-control-brown: #4a2e1d;
  --art-control-brown-deep: #2d1b12;
  --art-control-wood: #8b5a32;
  --art-control-cream: #fff1c7;
  --art-control-cream-light: #fff9e8;
  --art-control-brass: #e5b84a;
  --art-control-cyan: #69c9c7;
  --art-terminal: #0b261e;
  --art-terminal-green: #91d889;
  --art-state-red: #d96050;
}

.pixel-art-tools :where(.codex-dialogue, .observer-dialogue) {
  color: #4c3929;
  background: var(--art-control-cream);
  background-image: none;
  border-color: var(--art-control-brown-deep);
  box-shadow: 5px 5px 0 var(--art-control-brown-deep), inset 0 0 0 3px #d4ad72;
}

.pixel-art-tools :where(.codex-dialogue, .observer-dialogue)::after {
  display: none;
}

.pixel-art-tools .codex-dialogue::before {
  background: var(--art-control-cream);
  border-color: var(--art-control-brown-deep);
}

.pixel-art-tools .observer-dialogue::before {
  background: var(--art-control-cream);
  border-color: var(--art-control-brown-deep);
}

.pixel-art-tools .codex-index {
  background: var(--art-control-wood);
  border-color: var(--art-control-brown-deep);
  box-shadow: 5px 5px 0 var(--art-control-brown-deep), inset 4px 4px 0 #684021;
}

.pixel-art-tools .codex-index a {
  color: #4a3829;
  background: var(--art-control-cream);
  border-color: var(--art-control-brown-deep);
  box-shadow: 2px 2px 0 #5d3822;
}

.pixel-art-tools .codex-index b {
  color: var(--art-control-brown-deep);
  background: var(--art-control-brass);
  border-right-color: var(--art-control-brown-deep);
}

.pixel-art-tools .codex-index a:hover {
  color: var(--art-control-brown-deep);
  background: #f4cf6a;
}

.pixel-five-second #start-panel,
.pixel-five-second .concept-form {
  background: var(--art-control-cream);
  border-color: var(--art-control-brown-deep);
  box-shadow: 7px 7px 0 var(--art-control-brown-deep), inset 0 0 0 4px #d4ad72;
}

.pixel-five-second :where(.eligibility-field, .concept-options label, .phase-field select, button, .challenge-result:not(:empty)) {
  clip-path: none;
}

.pixel-five-second :where(input[type="text"], input:not([type])) {
  border: 3px solid var(--art-control-brown-deep);
  background: #efd6a7;
  color: #342319;
  box-shadow: inset 4px 4px 0 #b47a43, inset -2px -2px 0 #ffe9bd, 3px 3px 0 #5d3822;
}

.pixel-five-second .phase-field {
  position: relative;
}

.pixel-five-second .phase-field select {
  appearance: none;
  padding-right: 42px;
  border: 3px solid var(--art-control-brown-deep);
  background: var(--art-control-cream-light);
  background-image: none;
  color: #342319;
  box-shadow: inset 4px 4px 0 #d4ad72, 3px 3px 0 #5d3822;
}

.pixel-five-second .phase-field::after {
  position: absolute;
  right: 9px;
  bottom: 10px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: var(--art-control-brown-deep);
  background: var(--art-control-brass);
  border: 2px solid var(--art-control-brown-deep);
  box-shadow: 2px 2px 0 #6b411f;
  content: "▼";
  font-size: 8px;
  pointer-events: none;
}

.pixel-five-second :where(.eligibility-field, .concept-options label) {
  position: relative;
  padding-right: 42px;
  color: #4a3829;
  background: var(--art-control-cream);
  border: 3px solid var(--art-control-brown-deep);
  box-shadow: 3px 3px 0 #5d3822;
  filter: none;
}

.pixel-five-second :where(.eligibility-field input, .concept-options input) {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 3px solid var(--art-control-brown-deep);
  background: var(--art-control-cream-light);
  box-shadow: inset 3px 3px 0 #d4ad72;
}

.pixel-five-second :where(.eligibility-field, .concept-options label)::after {
  position: absolute;
  top: 50%;
  right: 10px;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: transparent;
  background: var(--art-control-cream-light);
  border: 2px solid var(--art-control-brown-deep);
  box-shadow: inset 2px 2px 0 #d4ad72;
  content: "";
  font-size: 11px;
  transform: translateY(-50%);
}

.pixel-five-second :where(.eligibility-field, .concept-options label):has(input:checked) {
  color: #264947;
  background: #d9f0e7;
  border-color: #367f7d;
  box-shadow: 3px 3px 0 #224c49;
  filter: none;
}

.pixel-five-second :where(.eligibility-field, .concept-options label):has(input:checked)::after {
  color: #173b38;
  background: var(--art-control-cyan);
  border-color: var(--art-control-brown-deep);
  box-shadow: 2px 2px 0 #224c49;
  content: "✓";
}

.pixel-five-second :where(.eligibility-field input, .concept-options input):checked {
  background: var(--art-control-cyan);
  box-shadow: inset 4px 4px 0 #2f7774, inset -4px -4px 0 var(--art-control-brass);
}

.pixel-five-second .primary-command {
  color: var(--art-control-brown-deep);
  background: var(--art-control-brass);
  border-color: var(--art-control-brown-deep);
  box-shadow: 5px 5px 0 #6b411f;
  filter: none;
}

.pixel-five-second .export-command {
  color: #163a35;
  background: var(--art-control-cyan);
  border-color: var(--art-control-brown-deep);
  box-shadow: 5px 5px 0 #224c49;
  filter: none;
}

.pixel-five-second :where(.primary-command, .export-command):not(:disabled):hover {
  filter: brightness(1.06);
  transform: translate(-1px, -1px);
}

.pixel-five-second :where(.primary-command, .export-command):not(:disabled):active {
  filter: none;
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0 var(--art-control-brown-deep);
}

.pixel-five-second .challenge-result:not(:empty) {
  padding: 13px 15px 13px 34px;
  color: var(--art-terminal-green);
  background: var(--art-terminal);
  border: 4px solid var(--art-control-brown-deep);
  box-shadow: 5px 5px 0 var(--art-control-brown-deep);
  font-family: var(--pixel-font, "Fusion Pixel 12px Monospaced SC", monospace) !important;
  text-shadow: 2px 2px 0 #04110d;
}

.pixel-five-second .challenge-result:not(:empty)::before {
  color: var(--art-control-cyan);
}

@media (max-width: 620px) {
  .pixel-five-second .phase-field::after {
    right: 9px;
    bottom: 10px;
  }

  .pixel-five-second :where(.eligibility-field, .concept-options label) {
    padding-right: 38px;
  }
}

/* Final greenhouse field-guide pass: dark world, lit notes, pixel-cut commands. */
.pixel-page.pixel-art-tools {
  --art-teal: var(--art-aqua);
  --art-display-font: var(--pixel-font, "Fusion Pixel 12px Monospaced SC", "Zpix", monospace);
  --art-body-font: var(--pixel-body-font, "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif);
  --art-utility-font: var(--pixel-utility-font, "Fusion Pixel 12px Monospaced SC", ui-monospace, monospace);
  font-family: var(--art-body-font);
  font-size: 14px;
}

.pixel-page.pixel-art-tools :where(
  h1,
  h2,
  strong,
  button,
  .art-back-link,
  .codex-index,
  .codex-stats dd,
  .challenge-route
) {
  font-family: var(--art-display-font);
}

.pixel-page.pixel-art-tools :where(
  small,
  dt,
  .art-title-lockup p,
  .challenge-title p,
  .band-heading p,
  .screen-heading p,
  .screen-heading > span,
  .codex-dialogue > span,
  .observer-dialogue > span
) {
  font-family: var(--art-utility-font);
  letter-spacing: 0;
}

.pixel-page.pixel-art-codex .art-page {
  width: min(1320px, calc(100% - 32px));
  padding-bottom: 56px;
}

.pixel-page.pixel-art-tools :where(.art-header, .challenge-header) {
  border-width: 3px;
  border-bottom-width: 5px;
  box-shadow: 0 5px 0 var(--art-wood-dark), 0 9px 0 rgba(4, 17, 14, .62);
}

.pixel-page.pixel-art-tools .art-brand strong {
  font-size: 16px;
}

.pixel-page.pixel-art-tools .art-brand small {
  font-size: 10px;
}

.pixel-page.pixel-art-tools .art-title-lockup p,
.pixel-page.pixel-art-tools .challenge-title p {
  font-size: 10px;
}

.pixel-page.pixel-art-tools .art-title-lockup h1,
.pixel-page.pixel-art-tools .challenge-title h1 {
  font-size: 20px;
}

.pixel-page.pixel-art-codex .codex-console {
  grid-template-columns: 154px minmax(0, 1fr) minmax(250px, 290px);
  min-height: 224px;
  margin-top: 20px;
  background: rgba(7, 29, 23, .92);
  border-width: 4px;
  box-shadow: 7px 8px 0 rgba(4, 17, 14, .76);
}

.pixel-page.pixel-art-codex .codex-keeper {
  padding: 12px 9px 9px;
  background: #73ad96;
  border-right-width: 3px;
  box-shadow: inset 0 -16px 0 #785036;
}

.pixel-page.pixel-art-codex .codex-keeper :where(svg, img) {
  width: 96px;
  height: 154px;
  object-fit: contain;
}

.pixel-page.pixel-art-codex .codex-keeper figcaption {
  padding: 6px 4px;
  font-size: 10px;
}

.pixel-page.pixel-art-tools :where(.codex-dialogue, .observer-dialogue) {
  --dialogue-cut: 12px;
  color: #4b3929;
  background: var(--art-control-cream);
  border: 0 !important;
  clip-path: polygon(
    0 var(--dialogue-cut), 4px var(--dialogue-cut), 4px 4px, var(--dialogue-cut) 4px,
    var(--dialogue-cut) 0, calc(100% - var(--dialogue-cut)) 0,
    calc(100% - var(--dialogue-cut)) 4px, calc(100% - 4px) 4px,
    calc(100% - 4px) var(--dialogue-cut), 100% var(--dialogue-cut),
    100% calc(100% - var(--dialogue-cut)), calc(100% - 4px) calc(100% - var(--dialogue-cut)),
    calc(100% - 4px) calc(100% - 4px), calc(100% - var(--dialogue-cut)) calc(100% - 4px),
    calc(100% - var(--dialogue-cut)) 100%, var(--dialogue-cut) 100%,
    var(--dialogue-cut) calc(100% - 4px), 4px calc(100% - 4px),
    4px calc(100% - var(--dialogue-cut)), 0 calc(100% - var(--dialogue-cut))
  );
  box-shadow: inset 0 0 0 4px var(--art-control-brown-deep), inset 0 0 0 7px #d4ad72;
  filter: drop-shadow(5px 5px 0 var(--art-control-brown-deep));
}

.pixel-page.pixel-art-tools :where(.codex-dialogue, .observer-dialogue)::before,
.pixel-page.pixel-art-tools :where(.codex-dialogue, .observer-dialogue)::after {
  display: none;
}

.pixel-page.pixel-art-codex .codex-dialogue {
  margin: 24px;
  padding: 24px 26px;
}

.pixel-page.pixel-art-codex .codex-dialogue span {
  font-size: 10px;
}

.pixel-page.pixel-art-codex .codex-dialogue h2 {
  margin: 9px 0 12px;
  font-size: 24px;
}

.pixel-page.pixel-art-codex .codex-dialogue p {
  max-width: 720px;
  color: #655542;
  font-size: 14px;
  line-height: 1.75;
}

.pixel-page.pixel-art-codex .codex-stats {
  gap: 2px;
  margin: 22px 22px 22px 0;
  padding: 4px;
  background: #071d17;
  border: 2px solid #071d17;
}

.pixel-page.pixel-art-codex .codex-stats div {
  min-height: 72px;
  background: #285544;
  border: 0;
  box-shadow: none;
}

.pixel-page.pixel-art-codex .codex-stats dt {
  font-size: 10px;
}

.pixel-page.pixel-art-codex .codex-stats dd {
  font-size: 20px;
}

.pixel-page.pixel-art-codex .codex-index {
  gap: 5px;
  margin-top: 18px;
  padding: 6px;
  background: rgba(117, 72, 46, .94);
  border-width: 3px;
  box-shadow: 4px 4px 0 rgba(4, 17, 14, .72), inset 3px 3px 0 #9f6a3d;
}

.pixel-page.pixel-art-codex .codex-index a {
  min-height: 48px;
  border-width: 2px;
  box-shadow: none;
}

.pixel-page.pixel-art-codex .codex-index b {
  border-right-width: 2px;
  font-size: 9px;
}

.pixel-page.pixel-art-codex .codex-index span {
  font-size: 11px;
}

.pixel-page.pixel-art-codex .art-band {
  margin-top: 20px;
  padding: 18px;
  color: var(--art-paper-light);
  background: rgba(8, 31, 24, .88) !important;
  border: 2px solid rgba(142, 213, 207, .42) !important;
  box-shadow: 0 5px 0 rgba(6, 23, 18, .82) !important;
}

.pixel-page.pixel-art-codex .band-heading {
  margin-bottom: 16px;
  padding: 2px 2px 12px;
  border-bottom: 3px solid var(--art-gold);
}

.pixel-page.pixel-art-codex .band-heading p {
  color: var(--art-aqua);
  font-size: 10px;
}

.pixel-page.pixel-art-codex .band-heading h2 {
  color: var(--art-paper-light);
  font-size: 21px;
  text-shadow: 2px 2px 0 var(--art-ink-deep);
}

.pixel-page.pixel-art-codex .band-heading > span {
  color: var(--art-control-brown-deep);
  background: var(--art-gold);
  border: 2px solid var(--art-control-brown-deep);
  box-shadow: 3px 3px 0 var(--art-control-brown-deep);
  font-size: 10px;
}

.pixel-page.pixel-art-codex :where(.palette, .asset-card) {
  background: #fff5d3;
  border: 2px solid #4c705d;
  box-shadow: 2px 3px 0 rgba(4, 17, 14, .54);
}

.pixel-page.pixel-art-codex :where(.asset-card::before, .asset-card::after) {
  display: none;
}

.pixel-page.pixel-art-codex .palette strong {
  color: var(--art-ink);
  font-size: 14px;
}

.pixel-page.pixel-art-codex .palette > small {
  color: #685c46;
  font-size: 10px;
}

.pixel-page.pixel-art-codex .asset-card small {
  padding: 5px 7px;
  color: #3d3024;
  background: #ead7a4;
  border: 2px solid #856b46;
  font-family: var(--art-body-font);
  font-size: 11px;
}

.pixel-page.pixel-art-codex .reference-grid img {
  border: 2px solid #4c705d;
  box-shadow: 3px 3px 0 rgba(4, 17, 14, .68);
}

.pixel-page.pixel-five-second.test-shell {
  padding: 18px;
}

.pixel-page.pixel-five-second .test-panel {
  width: min(1320px, 100%);
  min-height: min(760px, calc(100vh - 36px));
  background: rgba(7, 29, 23, .94);
  border-width: 5px;
  box-shadow: 8px 9px 0 rgba(4, 17, 14, .76);
}

.pixel-page.pixel-five-second .challenge-layout {
  grid-template-columns: 288px minmax(0, 1fr);
  min-height: 650px;
}

.pixel-page.pixel-five-second .observer-briefing {
  padding: 18px;
  background: rgba(20, 65, 50, .95);
  border-right-width: 4px;
  box-shadow: inset -5px 0 0 #315b48;
}

.pixel-page.pixel-five-second .observer-character {
  min-height: 226px;
  border-width: 3px;
  box-shadow: 4px 4px 0 #0a251d;
}

.pixel-page.pixel-five-second .observer-character :where(svg, img) {
  width: 132px;
  height: 196px;
  object-fit: contain;
}

.pixel-page.pixel-five-second .observer-dialogue {
  margin-top: 16px;
  padding: 16px;
}

.pixel-page.pixel-five-second .observer-dialogue span {
  font-size: 10px;
}

.pixel-page.pixel-five-second .observer-dialogue p {
  margin-top: 8px;
  color: #554b37;
  font-size: 13px;
  line-height: 1.7;
}

.pixel-page.pixel-five-second .challenge-route li {
  --route-cut: 8px;
  min-height: 44px;
  border: 0;
  clip-path: polygon(
    0 var(--route-cut), 4px var(--route-cut), 4px 4px, var(--route-cut) 4px,
    var(--route-cut) 0, calc(100% - var(--route-cut)) 0,
    calc(100% - var(--route-cut)) 4px, calc(100% - 4px) 4px,
    calc(100% - 4px) var(--route-cut), 100% var(--route-cut),
    100% calc(100% - var(--route-cut)), calc(100% - 4px) calc(100% - var(--route-cut)),
    calc(100% - 4px) calc(100% - 4px), calc(100% - var(--route-cut)) calc(100% - 4px),
    calc(100% - var(--route-cut)) 100%, var(--route-cut) 100%,
    var(--route-cut) calc(100% - 4px), 4px calc(100% - 4px),
    4px calc(100% - var(--route-cut)), 0 calc(100% - var(--route-cut))
  );
  box-shadow: inset 0 0 0 3px var(--art-ink-deep);
  filter: drop-shadow(3px 3px 0 #0a251d);
}

.pixel-page.pixel-five-second .challenge-route span {
  font-size: 11px;
}

.pixel-page.pixel-five-second .challenge-workspace {
  position: relative;
  min-height: 650px;
  padding: 30px;
  background-color: rgba(9, 38, 29, .92);
  background-image:
    url("/assets/pixel/packs/terrarium-core-v1/zones/sprint-100.svg"),
    url("/assets/pixel/packs/terrarium-core-v1/decorations/lantern.svg");
  background-position: right 22px bottom 34px, right 44px top 38px;
  background-repeat: no-repeat;
  background-size: 300px 200px, 74px 74px;
}

.pixel-page.pixel-five-second #start-panel,
.pixel-page.pixel-five-second .concept-form {
  z-index: 1;
  width: min(690px, calc(100% - 220px));
  margin-right: auto;
  margin-left: clamp(10px, 3vw, 48px);
  padding: 22px;
  background: var(--art-control-cream-light);
  border: 3px solid var(--art-control-brown-deep);
  box-shadow: 7px 7px 0 var(--art-control-brown-deep), inset 0 0 0 4px #d4ad72;
}

.pixel-page.pixel-five-second .screen-heading h2 {
  font-size: 25px;
}

.pixel-page.pixel-five-second .screen-heading p,
.pixel-page.pixel-five-second .screen-heading > span {
  font-size: 10px;
}

.pixel-page.pixel-five-second .participant-fields > label:first-child,
.pixel-page.pixel-five-second .phase-field {
  font-size: 13px;
}

.pixel-page.pixel-five-second :where(.eligibility-field, .concept-options label, .phase-field select, .primary-command, .export-command) {
  --control-cut: 10px;
  clip-path: polygon(
    0 var(--control-cut), 4px var(--control-cut), 4px 4px, var(--control-cut) 4px,
    var(--control-cut) 0, calc(100% - var(--control-cut)) 0,
    calc(100% - var(--control-cut)) 4px, calc(100% - 4px) 4px,
    calc(100% - 4px) var(--control-cut), 100% var(--control-cut),
    100% calc(100% - var(--control-cut)), calc(100% - 4px) calc(100% - var(--control-cut)),
    calc(100% - 4px) calc(100% - 4px), calc(100% - var(--control-cut)) calc(100% - 4px),
    calc(100% - var(--control-cut)) 100%, var(--control-cut) 100%,
    var(--control-cut) calc(100% - 4px), 4px calc(100% - 4px),
    4px calc(100% - var(--control-cut)), 0 calc(100% - var(--control-cut))
  );
}

.pixel-page.pixel-five-second :where(.eligibility-field, .concept-options label) {
  min-height: 52px;
  border: 0;
  box-shadow: inset 0 0 0 3px var(--art-control-brown-deep);
  filter: drop-shadow(3px 3px 0 #5d3822);
  font-size: 13px;
}

.pixel-page.pixel-five-second :where(.eligibility-field, .concept-options label):has(input:checked) {
  color: #173b38;
  background: #d9f0e7;
  box-shadow: inset 0 0 0 3px #367f7d, inset 0 0 0 6px var(--art-control-cream-light);
  filter: drop-shadow(3px 3px 0 #224c49);
}

.pixel-page.pixel-five-second .phase-field select {
  min-height: 48px;
  border: 0;
  box-shadow: inset 0 0 0 3px var(--art-control-brown-deep), inset 0 0 0 6px #d4ad72;
  filter: drop-shadow(3px 3px 0 #5d3822);
  font-family: var(--art-body-font);
  font-size: 13px;
}

.pixel-page.pixel-five-second :where(.primary-command, .export-command) {
  min-height: 54px;
  border: 0 !important;
  box-shadow: inset 0 0 0 4px var(--art-control-brown-deep), inset 0 4px 0 #ffe49a;
  filter: drop-shadow(5px 5px 0 #6b411f);
  font-size: 13px;
}

.pixel-page.pixel-five-second .export-command {
  filter: drop-shadow(5px 5px 0 #224c49);
}

.pixel-page.pixel-five-second :where(.primary-command, .export-command):not(:disabled):hover {
  filter: brightness(1.05) drop-shadow(6px 6px 0 #6b411f);
}

.pixel-page.pixel-five-second .export-command:not(:disabled):hover {
  filter: brightness(1.05) drop-shadow(6px 6px 0 #224c49);
}

.pixel-page.pixel-five-second :where(.primary-command, .export-command):not(:disabled):active {
  filter: drop-shadow(1px 1px 0 var(--art-control-brown-deep));
}

.pixel-page.pixel-five-second .challenge-result:not(:empty) {
  width: min(690px, calc(100% - 220px));
  margin-right: auto;
  margin-left: clamp(10px, 3vw, 48px);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .pixel-page.pixel-art-codex .codex-console {
    grid-template-columns: 138px minmax(0, 1fr);
  }

  .pixel-page.pixel-art-codex .codex-stats {
    margin: 0 20px 20px;
  }

  .pixel-page.pixel-five-second #start-panel,
  .pixel-page.pixel-five-second .concept-form,
  .pixel-page.pixel-five-second .challenge-result:not(:empty) {
    width: min(680px, calc(100% - 120px));
    margin-left: 14px;
  }

  .pixel-page.pixel-five-second .challenge-workspace {
    background-position: right 8px bottom 24px, right 28px top 30px;
    background-size: 230px 154px, 62px 62px;
  }
}

@media (max-width: 900px) {
  .pixel-page.pixel-five-second .challenge-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .pixel-page.pixel-five-second .observer-briefing {
    border-right: 0;
    border-bottom: 4px solid var(--art-ink-deep);
  }

  .pixel-page.pixel-five-second #start-panel,
  .pixel-page.pixel-five-second .concept-form,
  .pixel-page.pixel-five-second .challenge-result:not(:empty) {
    width: min(720px, calc(100% - 200px));
    margin-left: clamp(10px, 3vw, 36px);
  }
}

@media (max-width: 800px) {
  .pixel-page.pixel-five-second .observer-briefing {
    order: 1;
  }

  .pixel-page.pixel-five-second .challenge-workspace {
    order: 2;
  }
}

@media (max-width: 620px) {
  .pixel-page.pixel-art-codex .art-page {
    width: calc(100% - 16px);
    padding-bottom: 28px;
  }

  .pixel-page.pixel-art-tools :where(.art-header, .challenge-header) {
    box-shadow: 0 4px 0 var(--art-wood-dark);
  }

  .pixel-page.pixel-art-codex .codex-console {
    grid-template-columns: 86px minmax(0, 1fr);
    min-height: 0;
    margin-top: 14px;
    border-width: 3px;
    box-shadow: 4px 5px 0 rgba(4, 17, 14, .72);
  }

  .pixel-page.pixel-art-codex .codex-keeper :where(svg, img) {
    width: 70px;
    height: 116px;
  }

  .pixel-page.pixel-art-codex .codex-dialogue {
    margin: 12px;
    padding: 16px;
  }

  .pixel-page.pixel-art-codex .codex-dialogue h2 {
    font-size: 18px;
  }

  .pixel-page.pixel-art-codex .codex-dialogue p {
    font-size: 13px;
    line-height: 1.6;
  }

  .pixel-page.pixel-art-codex .codex-stats {
    margin: 0 10px 10px;
  }

  .pixel-page.pixel-art-codex .codex-index,
  .pixel-page.pixel-art-codex :where(.palette-grid, .asset-grid, .reference-grid) {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--art-gold) rgba(7, 29, 23, .75);
  }

  .pixel-page.pixel-art-codex .codex-index {
    grid-auto-columns: minmax(138px, 44vw);
  }

  .pixel-page.pixel-art-codex :where(.palette-grid, .asset-grid) {
    grid-auto-columns: minmax(146px, 72vw);
    padding: 2px 2px 10px;
  }

  .pixel-page.pixel-art-codex .reference-grid {
    grid-auto-columns: minmax(250px, 84vw);
    padding-bottom: 10px;
  }

  .pixel-page.pixel-art-codex :where(.codex-index a, .palette, .asset-card, .reference-grid img) {
    scroll-snap-align: start;
  }

  .pixel-page.pixel-art-codex .art-band {
    margin-top: 14px;
    padding: 13px;
  }

  .pixel-page.pixel-art-codex .band-heading {
    align-items: flex-start;
  }

  .pixel-page.pixel-art-codex .band-heading h2 {
    font-size: 18px;
  }

  .pixel-page.pixel-five-second.test-shell {
    padding: 8px;
  }

  .pixel-page.pixel-five-second .test-panel {
    min-height: 0;
    border-width: 4px;
    box-shadow: 4px 5px 0 rgba(4, 17, 14, .72);
  }

  .pixel-page.pixel-five-second .challenge-layout {
    min-height: 0;
  }

  .pixel-page.pixel-five-second .observer-briefing {
    grid-template-columns: 82px minmax(0, 1fr);
    padding: 10px;
  }

  .pixel-page.pixel-five-second .observer-character {
    min-height: 148px;
  }

  .pixel-page.pixel-five-second .observer-dialogue {
    padding: 12px;
  }

  .pixel-page.pixel-five-second .observer-dialogue p {
    font-size: 12px;
  }

  .pixel-page.pixel-five-second .challenge-workspace {
    min-height: 0;
    padding: 18px 10px 24px;
    background-image: none;
  }

  .pixel-page.pixel-five-second #start-panel,
  .pixel-page.pixel-five-second .concept-form,
  .pixel-page.pixel-five-second .challenge-result:not(:empty) {
    width: 100%;
    margin-inline: 0;
  }

  .pixel-page.pixel-five-second #start-panel,
  .pixel-page.pixel-five-second .concept-form {
    padding: 16px;
  }

  .pixel-page.pixel-five-second .screen-heading h2 {
    font-size: 20px;
  }

  .pixel-page.pixel-five-second :where(.eligibility-field, .concept-options label, .phase-field select, .primary-command, .export-command) {
    --control-cut: 8px;
  }
}