:root {
  color-scheme: dark;
  --bg: #151918;
  --panel: #202624;
  --ink: #e3e9dd;
  --muted: #98a398;
  --line: #39433d;
  --lime: #c8ed87;
  --amber: #e6bd72;
  --blue: #88b1c0;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-family: Arial, Helvetica, sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}
[hidden] {
  display: none !important;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 11px 14px;
}
button:hover:not(:disabled) {
  border-color: var(--lime);
  background: #c8ed8708;
}
button:disabled {
  opacity: 0.35;
  cursor: default;
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}
a {
  color: inherit;
}
header,
main,
footer {
  width: min(1200px, calc(100% - 64px));
  margin: auto;
}
header {
  height: 94px;
  display: flex;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font: 700 17px var(--mono);
  letter-spacing: 2px;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  color: var(--lime);
  font-size: 28px;
  vertical-align: middle;
  margin-right: 10px;
}
.edition {
  font: 9px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
  flex: 1;
}
header button {
  font-size: 12px;
  border: 0;
}
header button span {
  margin-left: 14px;
  color: var(--lime);
}
.skip {
  position: fixed;
  top: -100px;
  left: 10px;
  z-index: 10;
  padding: 10px;
  background: var(--ink);
  color: var(--bg);
}
.skip:focus {
  top: 10px;
}
.intro {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 67px 0 60px;
}
.eyebrow {
  font: 10px var(--mono);
  letter-spacing: 2px;
  color: var(--muted);
  margin: 0 0 22px;
}
h1 {
  font-size: clamp(38px, 4.4vw, 62px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.6px;
  margin: 0 0 24px;
}
h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--lime);
}
.lede {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}
.hero-meter {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  max-width: 350px;
  justify-self: end;
  width: 100%;
  transform: rotate(-5deg);
}
.hero-meter > span {
  font: 10px var(--mono);
  color: var(--muted);
  letter-spacing: 15px;
}
.hero-meter p {
  font: 9px/1.8 var(--mono);
  letter-spacing: 2px;
  text-align: right;
  color: var(--muted);
}
.meter-lights {
  display: flex;
  gap: 13px;
  margin: 24px 0;
}
.meter-lights i {
  width: 27px;
  height: 27px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 16px #c8ed8728;
}
.meter-lights i:nth-child(3n) {
  background: #394338;
  box-shadow: none;
}
.help {
  border: 1px solid var(--line);
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 30px;
  background: #1b211d;
}
.help h2,
.help h3 {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  margin-top: 0;
}
.help p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}
.workspace {
  display: grid;
  grid-template-columns: 235px 1fr;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  scroll-margin-top: 24px;
}
.chapters {
  padding: 29px 22px;
  background: #1b201d;
  border-right: 1px solid var(--line);
}
.chapters .eyebrow {
  font-size: 9px;
}
#level-nav {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
#level-nav button {
  border-color: transparent;
  padding: 12px 10px;
  text-align: left;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
#level-nav button.active {
  border-color: #66784d;
  background: #c8ed8708;
  color: var(--lime);
}
#level-nav button span:first-child {
  font: 10px var(--mono);
  color: var(--muted);
}
#level-nav button .done {
  margin-left: auto;
  color: var(--lime);
}
.legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font: 9px var(--mono);
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 27px;
  margin-top: 26px;
}
.legend i {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #4a5448;
  border-radius: 50%;
  margin-right: 5px;
}
.legend .lit {
  background: var(--lime);
}
.storage {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 24px;
}
.save-buttons button {
  display: block;
  border: 0;
  text-align: left;
  padding: 8px 0;
  font-size: 10px;
  color: var(--muted);
}
.machine {
  background: linear-gradient(130deg, #252b28, #1d2320);
  padding: 32px 38px 26px;
  min-width: 0;
  position: relative;
}
.machine:before,
.machine:after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 10px;
  font: 12px var(--mono);
  color: #596153;
}
.machine:after {
  top: auto;
  bottom: 12px;
}
.machine-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}
.machine-heading .eyebrow {
  font-size: 9px;
  margin-bottom: 10px;
  color: var(--lime);
}
h2 {
  font-size: 25px;
  font-weight: 400;
  letter-spacing: -0.4px;
  margin: 0;
}
.machine-heading p:last-child {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin: 10px 0 0;
}
.move-count {
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
  text-align: right;
}
.move-count b {
  display: block;
  font: 31px var(--mono);
  letter-spacing: -1px;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 4px;
}
.signal-row {
  display: grid;
  grid-template-columns: 90px 1fr 18px;
  align-items: center;
  gap: 14px;
  margin: 9px 0;
}
.signal-label {
  font: 9px var(--mono);
  color: var(--muted);
  line-height: 1.7;
}
.signal-label span {
  display: block;
  font-size: 8px;
  color: var(--blue);
}
.lamps {
  display: grid;
  grid-template-columns: repeat(var(--width), 1fr);
  gap: 9px;
}
.lamp {
  aspect-ratio: 1;
  width: 100%;
  max-width: 35px;
  justify-self: center;
  border-radius: 50%;
  background: #313a33;
  border: 1px solid #53614d;
  position: relative;
  transition:
    background 0.2s,
    box-shadow 0.2s;
}
.lamp.on {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 14px #c8ed8724;
}
.lamp small {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font: 9px var(--mono);
  color: #9eac93;
}
.lamp.on small {
  color: #344128;
}
.signal-row.target .lamp {
  border-radius: 4px;
  background: transparent;
  border: 1px dashed #74866a;
  box-shadow: none;
  max-width: 23px;
}
.signal-row.target .lamp.on {
  background: #c8ed8724;
}
.signal-row.target .lamp small {
  font-size: 8px;
}
.signal-row.target .signal-label {
  color: var(--lime);
}
.row-match {
  font: 14px var(--mono);
  color: var(--lime);
}
.register {
  margin: 18px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  background: #12171377;
  cursor: pointer;
}
.register.selected {
  border-color: var(--amber);
  background: #e6bd7207;
}
.register:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.register-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 13px;
}
.register-head > span {
  font: 9px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
}
.register-head .turn {
  margin-left: auto;
  color: var(--blue);
  font-size: 9px;
}
.select-row {
  border: 0;
  padding: 0;
  font: 10px var(--mono);
  color: var(--amber);
  letter-spacing: 1px;
  text-align: left;
}
.register.selected .select-row {
  color: var(--amber);
}
.shutter-dots {
  display: grid;
  grid-template-columns: 90px 1fr 18px;
  gap: 14px;
  align-items: center;
}
.shutter-dots .lamp {
  max-width: 25px;
  border-radius: 5px;
  background: #3e402f;
  border-color: #655a3e;
  box-shadow: none;
}
.shutter-dots .lamp.on {
  background: var(--amber);
  border-color: var(--amber);
}
.shutter-dots .lamp.on small {
  color: #41331e;
}
.shutter-dots .signal-label {
  color: var(--amber);
  font-size: 8px;
}
.readout {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
.controls {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.shift {
  background: var(--lime);
  color: #26311b;
  border-color: var(--lime);
  font-size: 12px;
  min-width: 140px;
}
.shift:hover:not(:disabled) {
  background: #d7f3a9;
}
.row-selector {
  font: 9px var(--mono);
  color: var(--amber);
  text-align: center;
}
.secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  flex-wrap: wrap;
}
.secondary button {
  font-size: 10px;
  border: 0;
  padding: 8px 6px;
  color: var(--muted);
}
.sound {
  font-size: 10px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.sound input {
  accent-color: var(--lime);
}
.message {
  font: 11px/1.8 var(--mono);
  min-height: 55px;
  padding-top: 16px;
  color: var(--muted);
}
.outcome {
  border: 1px solid #657c48;
  background: #c8ed8708;
  border-radius: 8px;
  padding: 23px;
  display: flex;
  gap: 25px;
  align-items: center;
  justify-content: space-between;
}
.outcome .eyebrow {
  font-size: 9px;
  color: var(--lime);
  margin-bottom: 9px;
}
.outcome h3 {
  font:
    italic 24px Georgia,
    serif;
  color: var(--lime);
  margin: 0 0 10px;
}
.outcome p:last-child {
  font: 10px/1.6 var(--mono);
  color: var(--muted);
  margin: 0;
}
.outcome button {
  font-size: 11px;
  white-space: nowrap;
}
.closing {
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 38px 0 46px;
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
}
.closing p {
  margin-left: auto;
  letter-spacing: 0;
}
footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font: 8px/1.8 var(--mono);
  letter-spacing: 0.5px;
  color: var(--muted);
}
@media (max-width: 900px) {
  .edition {
    display: none;
  }
  .brand {
    flex: 1;
  }
  .workspace {
    grid-template-columns: 185px 1fr;
  }
  .chapters {
    padding: 24px 14px;
  }
  .machine {
    padding: 28px 22px;
  }
  .signal-row,
  .shutter-dots {
    grid-template-columns: 65px 1fr 15px;
    gap: 10px;
  }
  .lamps {
    gap: 7px;
  }
  .shift {
    min-width: 110px;
  }
  .outcome {
    flex-direction: column;
    align-items: flex-start;
  }
  .closing {
    gap: 20px;
  }
}
@media (max-width: 680px) {
  header,
  main,
  footer {
    width: calc(100% - 32px);
  }
  header {
    height: 75px;
    gap: 12px;
  }
  .brand {
    font-size: 13px;
    letter-spacing: 1px;
  }
  .brand-mark {
    font-size: 23px;
    margin-right: 4px;
  }
  header button {
    font-size: 10px;
    padding: 8px 0;
  }
  header button span {
    margin-left: 4px;
  }
  .intro {
    grid-template-columns: 1fr;
    padding: 43px 0 36px;
    gap: 25px;
  }
  h1 {
    font-size: 43px;
    letter-spacing: -2px;
  }
  .hero-meter {
    display: none;
  }
  .lede {
    font-size: 12px;
  }
  .help {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px;
  }
  .workspace {
    grid-template-columns: 1fr;
  }
  .chapters {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px;
  }
  .chapters > .eyebrow {
    margin-bottom: 12px;
  }
  #level-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }
  #level-nav button {
    font-size: 0;
    justify-content: center;
    gap: 5px;
    padding: 10px 4px;
  }
  #level-nav button span:first-child {
    font-size: 11px;
  }
  #level-nav button .done {
    margin-left: 0;
    font-size: 10px;
  }
  .legend {
    margin-top: 16px;
    padding-top: 15px;
  }
  .storage {
    margin-top: 15px;
    font-size: 10px;
  }
  .save-buttons {
    display: flex;
    gap: 25px;
  }
  .save-buttons button {
    font-size: 10px;
  }
  .machine {
    padding: 25px 15px 18px;
  }
  .machine-heading {
    gap: 12px;
    margin-bottom: 20px;
  }
  h2 {
    font-size: 23px;
  }
  .machine-heading p:last-child {
    font-size: 11px;
    max-width: 230px;
  }
  .signal-row,
  .shutter-dots {
    grid-template-columns: 53px 1fr 13px;
    gap: 8px;
  }
  .signal-label {
    font-size: 8px;
  }
  .lamps {
    gap: 5px;
  }
  .lamp {
    max-width: 27px;
  }
  .lamp small {
    font-size: 7px;
  }
  .register {
    padding: 12px 8px;
  }
  .register-head > span,
  .register-head .turn {
    font-size: 8px;
  }
  .select-row {
    font-size: 9px;
  }
  .controls {
    gap: 7px;
  }
  .shift {
    min-width: 0;
    flex: 1;
    font-size: 11px;
    padding: 12px 7px;
  }
  .row-selector {
    font-size: 8px;
    max-width: 55px;
  }
  .secondary {
    gap: 4px;
  }
  .secondary button {
    font-size: 9px;
  }
  .sound {
    font-size: 9px;
  }
  .outcome {
    padding: 18px;
  }
  .outcome h3 {
    font-size: 22px;
  }
  .closing {
    padding: 27px 0;
    gap: 14px;
    font-size: 7px;
    flex-wrap: wrap;
  }
  .closing p {
    width: 100%;
    margin: 0;
    font-size: 9px;
  }
  footer {
    flex-direction: column;
    font-size: 7px;
  }
}

/* Generated botanical instrument assets are state-bearing gameplay cells. */
:root{--bg:#102923;--panel:#19392f;--ink:#f5eed8;--muted:#acb9a5;--line:#42604a;--lime:#b8dba5;--amber:#edbf78;--blue:#a4c8bb}body{background:radial-gradient(ellipse at 80% 4%,#34544588,transparent 44%),var(--bg)}.brand{display:flex;align-items:center;gap:8px}.brand-icon{width:40px;height:40px;object-fit:contain}.hero-meter{background:radial-gradient(ellipse,#57744b33,transparent 70%);border:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.fern-art{width:210px;height:210px;object-fit:contain;filter:drop-shadow(0 12px 20px #0004)}.hero-meter p{color:var(--amber);text-align:center}.machine{border-color:#83704a;background:linear-gradient(120deg,#223e31,#18352c);box-shadow:0 20px 70px #0003}.lamp,.shutter-dots .lamp,.signal-row.target .lamp{background:transparent url('lamp-off.webp') center/contain no-repeat!important;border:0!important;box-shadow:none!important;border-radius:0;max-width:38px}.lamp.on,.shutter-dots .lamp.on{background-image:url('lamp-amber.webp')!important;filter:drop-shadow(0 0 5px #ffcd7055)}.signal-row.target .lamp.on{background-image:url('lamp-jade.webp')!important;filter:drop-shadow(0 0 4px #acd8a544)}.lamp small,.shutter-dots .lamp small,.signal-row.target .lamp small{font-weight:bold;color:#fcf7de!important;text-shadow:0 1px 3px #000,0 0 2px #000}.lamp:not(.on) small{color:#d4dccb!important}.register.selected{border-color:#d8b574}.outcome{background:#294c38}.intro{padding-top:42px;padding-bottom:42px}@media(max-width:680px){.intro{padding-top:26px;padding-bottom:26px}.brand-icon{width:32px;height:32px}.hero-meter{display:none}.lamp{min-width:0}.lamp small{font-size:7px}.machine{box-shadow:none}}