.crypto-shell {
  width: min(1320px, calc(100% - 48px));
  margin: auto;
  padding-bottom: 64px;
}
.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  padding: 22px 0 30px;
}
.page-heading .eyebrow {
  margin-bottom: 8px;
  color: var(--violet-strong);
}
.page-heading h1 {
  margin: 0;
  font:
    500 clamp(1.5rem, 3.2vw, 2.6rem)/1.5 Georgia,
    "Yu Mincho",
    serif;
  letter-spacing: -0.04em;
}
.page-heading h1 span {
  color: var(--violet-strong);
}
.page-heading > p {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0 0 6px;
}
button,
select,
textarea {
  font: inherit;
}
button {
  touch-action: manipulation;
}
button:not(:disabled),
summary {
  cursor: pointer;
}
button:disabled {
  opacity: 0.42;
  cursor: default;
}
button:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid #f4c779;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.game-console {
  --game-bg: #102f35;
  --game-panel: #1a4045;
  --game-line: #567176;
  --game-paper: #f5f0dc;
  --game-soft: #cad9d3;
  --game-mint: #b5dbaf;
  --game-gold: #f4c779;
  --game-violet: #d2bfef;
  background: var(--game-bg);
  color: var(--game-paper);
  border: 4px solid #2c5053;
  box-shadow:
    0 4px 0 #102f35,
    0 20px 50px #102f351a;
  isolation: isolate;
}
.game-inner {
  max-width: 1440px;
  padding: 0 26px 26px;
  margin: auto;
}
.game-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--game-line);
}
.game-logo {
  font:
    700 0.8rem/1.4 Consolas,
    monospace;
  letter-spacing: 0.08em;
  color: var(--game-gold);
}
.game-logo i {
  font-style: normal;
  font-size: 1.25rem;
  vertical-align: middle;
  margin-right: 4px;
}
.game-logo small {
  display: block;
  font:
    500 0.67rem/1.5 "Yu Gothic",
    sans-serif;
  letter-spacing: 0;
  color: var(--game-soft);
  margin-top: 2px;
}
.game-toolbar > div {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.toolbar-button {
  min-height: 44px;
  border: 1px solid var(--game-line);
  background: transparent;
  color: var(--game-paper);
  padding: 9px 12px;
  font-size: 0.75rem;
  font-weight: 700;
}
.toolbar-button:hover {
  background: #ffffff0c;
}
.toolbar-button[aria-pressed="true"] {
  border-color: var(--game-gold);
  color: var(--game-gold);
}
.pixel-label {
  font:
    700 0.66rem/1.5 Consolas,
    monospace;
  letter-spacing: 0.12em;
  color: var(--game-gold);
}
.briefing {
  padding: 34px 10px 8px;
}
.briefing > .pixel-label {
  margin: 0 0 12px;
}
.briefing h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 2.05rem);
  line-height: 1.6;
  font-weight: 700;
}
.briefing h2 em {
  color: var(--game-mint);
  font-style: normal;
}
.briefing-lead {
  color: var(--game-soft);
  font-size: 0.9rem;
  margin: 10px 0 18px;
}
.brief-route {
  max-width: 700px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 22px auto 28px;
  padding: 20px;
  background: #0c262b;
  border: 1px solid var(--game-line);
}
.brief-route > span {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
}
.brief-route b {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font:
    700 1.3rem Consolas,
    monospace;
  color: var(--game-bg);
  background: #a4c8dc;
  margin-bottom: 8px;
  box-shadow: 4px 4px 0 #41686f;
}
.brief-route > span:last-child b {
  background: var(--game-mint);
}
.brief-route .you {
  color: var(--game-violet);
}
.brief-route .you b {
  background: var(--game-violet);
}
.brief-route small {
  font-size: 0.67rem;
  font-weight: 500;
  color: var(--game-soft);
}
.brief-route i {
  font-size: 1.6rem;
  color: var(--game-gold);
  font-style: normal;
}
.briefing-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.briefing-columns > div {
  border-top: 2px solid var(--game-line);
  padding-top: 15px;
}
.brief-number {
  color: var(--game-gold);
  font-size: 0.7rem;
}
.briefing-columns h3 {
  font-size: 0.91rem;
  margin: 10px 0;
}
.briefing-columns p {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--game-soft);
  margin: 0;
}
.briefing-columns strong {
  color: var(--game-paper);
}
.briefing-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 25px;
  margin-top: 20px;
  border-top: 1px solid var(--game-line);
}
.briefing-bottom p {
  font-size: 0.78rem;
  color: var(--game-soft);
}
.pixel-button {
  min-height: 46px;
  border: 2px solid var(--game-line);
  background: var(--game-panel);
  color: var(--game-paper);
  padding: 11px 17px;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.6;
  box-shadow: 3px 3px 0 #071d21;
}
.pixel-button:hover {
  filter: brightness(1.1);
}
.pixel-button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 #071d21;
}
.pixel-button.primary {
  background: var(--game-mint);
  color: #16372e;
  border-color: var(--game-mint);
}
.pixel-button.secondary {
  background: #284c50;
  color: var(--game-paper);
  border-color: #718c8c;
}
.full-width {
  width: 100%;
}
.round-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--game-line);
  border: 1px solid var(--game-line);
  margin: 22px 0;
}
.round-nav button {
  padding: 11px 14px;
  border: 0;
  color: var(--game-soft);
  background: var(--game-bg);
  font-size: 0.82rem;
  text-align: left;
  font-weight: 700;
  position: relative;
}
.round-nav button span {
  display: inline-block;
  font:
    700 0.58rem Consolas,
    monospace;
  color: var(--game-soft);
  margin-right: 10px;
}
.round-nav button[aria-current] {
  background: #314e4b;
  color: var(--game-gold);
  box-shadow: inset 0 -3px 0 var(--game-gold);
}
.round-nav button[aria-current] span {
  color: var(--game-gold);
}
.round-nav .visited::after {
  content: "✓";
  position: absolute;
  top: 4px;
  right: 6px;
  color: var(--game-mint);
  font-size: 0.65rem;
}
.level-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 18px;
}
.level-heading h2 {
  font-size: 1.25rem;
  margin: 4px 0;
  line-height: 1.5;
}
.level-heading p {
  color: var(--game-soft);
  margin: 4px 0 0;
  font-size: 0.78rem;
}
.auth-control {
  border: 1px solid var(--game-violet);
  background: #d2bfef12;
  padding: 13px 16px;
  margin: 0 0 16px;
}
.auth-control label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
}
.auth-control input {
  width: 20px;
  height: 20px;
  accent-color: var(--game-mint);
  flex-shrink: 0;
}
.auth-control p {
  color: var(--game-soft);
  font-size: 0.71rem;
  margin: 5px 0 0;
}
.auth-control code {
  color: var(--game-violet);
}
.stages {
  display: flex;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.stages li {
  flex: 1;
  padding: 0 0 9px;
  border-bottom: 2px solid var(--game-line);
  color: var(--game-soft);
  font-size: 0.71rem;
}
.stages span {
  font-family: Consolas, monospace;
  margin-right: 8px;
}
.stages li.active {
  color: var(--game-gold);
  border-color: var(--game-gold);
  font-weight: 700;
}
.stages li.complete {
  border-color: var(--game-mint);
}
.play-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(330px, 1fr);
  gap: 20px;
  align-items: start;
}
.scene-column,
.command-column {
  min-width: 0;
}
.scene {
  border: 2px solid var(--game-line);
  background: #15383e;
}
.scene-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--game-line);
  font-size: 0.64rem;
  color: var(--game-soft);
}
.scene-top > span:first-child {
  color: var(--game-gold);
}
.network-scene {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  align-items: end;
  position: relative;
  gap: 12px;
  padding: 22px 15px 18px;
  background-image: radial-gradient(#a9c6b31c 0.8px, transparent 0.8px);
  background-size: 12px 12px;
  overflow: hidden;
}
.cable {
  position: absolute;
  top: 57%;
  left: 14%;
  right: 14%;
  height: 8px;
  border-top: 2px solid #60837a;
  border-bottom: 2px solid #60837a;
  background: #1f4a45;
}
.cable::before,
.cable::after {
  content: "›";
  position: absolute;
  top: -12px;
  color: var(--game-mint);
  font:
    700 1.35rem Consolas,
    monospace;
}
.cable::before {
  left: 25%;
}
.cable::after {
  right: 25%;
}
.scene.reverse .cable {
  transform: scaleX(-1);
}
.actor {
  text-align: center;
  position: relative;
  z-index: 1;
}
.actor-bubble {
  display: block;
  padding: 7px 3px;
  font-size: 0.61rem;
  line-height: 1.55;
  color: var(--game-soft);
  min-height: 40px;
}
.pixel-character {
  display: block;
  width: 56px;
  height: 75px;
  margin: 2px auto 7px;
  image-rendering: pixelated;
  filter: drop-shadow(4px 4px 0 #071d2166);
}
.actor h3 {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
}
.actor h3 small {
  display: block;
  font:
    700 0.5rem Consolas,
    monospace;
  color: var(--game-soft);
  margin-top: 3px;
}
.actor > span:last-child {
  font-size: 0.6rem;
  color: var(--game-soft);
}
.relay {
  position: relative;
  z-index: 2;
  text-align: center;
}
.packet-sprite {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 7px 5px;
  border: 1px solid var(--game-gold);
  background: #263f3e;
  margin: 0 auto 7px;
  max-width: 170px;
}
.packet-shape {
  color: var(--game-gold);
  font-size: 1.3rem;
  line-height: 1.2;
}
.packet-sprite b {
  font-size: 0.63rem;
  line-height: 1.6;
}
.packet-sprite small {
  font-size: 0.55rem;
  color: var(--game-gold);
}
.packet-sprite.copied {
  border-color: var(--game-mint);
  background: #305446;
}
.packet-sprite.copied small {
  color: var(--game-mint);
}
.relay-machine {
  display: flex;
  flex-direction: column;
  border: 3px solid #799286;
  background: #203f3c;
  max-width: 118px;
  margin: auto;
  padding: 3px 7px;
  box-shadow: 4px 4px 0 #0b262b;
}
.relay-machine span {
  font:
    600 0.5rem Consolas,
    monospace;
  letter-spacing: 0.1em;
  color: var(--game-soft);
}
.relay-machine b {
  font:
    700 0.85rem Consolas,
    monospace;
  letter-spacing: 0.15em;
  color: var(--game-mint);
}
.charlie-sprite {
  width: 37px;
  height: 49px;
  margin-top: 9px;
  margin-bottom: 5px;
}
.relay h3 {
  font-size: 0.78rem;
  margin: 0;
  line-height: 1.5;
}
.relay h3 b {
  font:
    700 0.55rem Consolas,
    monospace;
  color: var(--game-bg);
  background: var(--game-violet);
  padding: 2px 4px;
  margin-left: 2px;
}
.relay p {
  color: var(--game-soft);
  font-size: 0.6rem;
  margin: 3px 0 0;
}
.packet-card {
  border-top: 1px dashed var(--game-line);
  padding: 10px 14px;
  background: #0e2a30;
}
.packet-card > span {
  color: var(--game-soft);
  font-size: 0.61rem;
  margin-right: 10px;
}
.packet-card strong {
  font-size: 0.75rem;
}
.packet-card details {
  border: 0;
  padding: 0;
  margin: 0;
}
.packet-card summary {
  font-size: 0.61rem;
  color: var(--game-soft);
  padding: 4px 0;
  min-height: 28px;
}
.packet-card code {
  font-size: 0.66rem;
  color: var(--game-gold);
  overflow-wrap: anywhere;
}
.box-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--game-gold);
}
.story-box {
  border: 2px solid #84958a;
  padding: 16px 18px;
  margin-top: 14px;
  background: #16373b;
}
.story-box h3 {
  font-size: 1rem;
  margin: 5px 0 7px;
  line-height: 1.65;
}
.story-box > p {
  font-size: 0.82rem;
  color: var(--game-soft);
  line-height: 1.9;
  margin: 0;
}
.goal-line {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--game-line);
}
.goal-line b {
  color: var(--game-mint);
  font-size: 0.69rem;
}
.goal-line p {
  margin: 4px 0 0;
  font-size: 0.79rem;
  line-height: 1.85;
}
.command-box {
  border: 2px solid var(--game-line);
  background: #183b40;
}
.command-heading {
  padding: 14px 16px 10px;
}
.command-heading h3 {
  margin: 3px 0 0;
  font-size: 0.96rem;
}
.command {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  color: var(--game-paper);
  border: 0;
  border-top: 1px solid var(--game-line);
  text-align: left;
  padding: 13px 14px;
  min-height: 80px;
}
.command:hover:not(:disabled) {
  background: #ffffff09;
}
.command-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid #72837d;
  color: var(--game-gold);
  font:
    700 1.25rem Consolas,
    monospace;
}
.command > span:nth-child(2) {
  flex: 1;
  min-width: 0;
}
.command strong {
  display: block;
  font-size: 0.84rem;
}
.command small {
  display: block;
  color: var(--game-soft);
  font-size: 0.72rem;
  margin-top: 4px;
  line-height: 1.7;
}
.command i {
  color: var(--game-gold);
  font-style: normal;
  font-size: 1.2rem;
}
.command strong b {
  font:
    700 0.6rem Consolas,
    monospace;
  background: var(--game-gold);
  color: var(--game-bg);
  padding: 2px 5px;
  margin-left: 4px;
}
.command.deliver {
  background: #294b42;
}
.outgoing-card {
  padding: 12px 16px;
  background: #0e2a30;
  border-top: 1px solid var(--game-line);
}
.outgoing-card > span {
  display: block;
  font-size: 0.63rem;
  color: var(--game-soft);
}
.outgoing-card strong {
  display: block;
  font-size: 0.77rem;
  margin-top: 3px;
}
.outgoing-card > button {
  display: block;
  color: var(--game-gold);
  background: transparent;
  border: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 7px 0 0;
  min-height: 38px;
  font-size: 0.68rem;
}
.mission-tracker {
  display: grid;
  grid-template-columns: 19px 1fr;
  gap: 3px 5px;
  padding: 13px 4px;
  color: var(--game-soft);
  font-size: 0.73rem;
}
.mission-tracker > span:nth-child(odd) {
  color: var(--game-mint);
  font-weight: 700;
}
.secret-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  border: 1px solid var(--game-line);
  padding: 11px 14px;
  background: #d2bfef0a;
}
.secret-card > span {
  font-size: 0.68rem;
  color: var(--game-soft);
}
.secret-card strong {
  font:
    700 1.1rem/1.5 Consolas,
    "Yu Gothic",
    monospace;
  color: var(--game-violet);
  overflow-wrap: anywhere;
}
.action-result {
  margin-top: 18px;
  padding: 16px 20px;
  border: 2px solid var(--game-line);
  background: #0d282e;
  scroll-margin: 20px;
}
.action-result h3 {
  margin: 4px 0 8px;
  font-size: 1.05rem;
  line-height: 1.65;
}
.action-result > p {
  font-size: 0.81rem;
  line-height: 1.9;
  color: var(--game-soft);
  margin: 0;
  overflow-wrap: anywhere;
}
.action-result.error {
  border-color: #d99e89;
}
.action-result.success {
  border-color: var(--game-mint);
}
.action-result.error h3 {
  color: #f4bba0;
}
.action-result.success h3 {
  color: var(--game-mint);
}
.bob-result .received {
  font:
    700 1.2rem/1.5 Consolas,
    monospace;
  padding: 10px 14px;
  background: #ffffff09;
  border-left: 3px solid var(--game-mint);
  margin: 12px 0;
  overflow-wrap: anywhere;
}
.bob-result p {
  color: var(--game-soft);
  font-size: 0.79rem;
  line-height: 1.9;
  margin: 8px 0;
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}
.result-actions:empty {
  display: none;
}
.game-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
.game-console details {
  border: 1px solid var(--game-line);
  padding: 0 14px;
}
.game-console summary {
  min-height: 44px;
  padding: 10px 0;
  font-size: 0.75rem;
  font-weight: 700;
}
.game-console details p {
  font-size: 0.77rem;
  line-height: 1.9;
  color: var(--game-soft);
  margin: 0 0 12px;
}
.game-console details details {
  margin-bottom: 14px;
}
.game-console .packet-card details {
  border: 0;
  padding: 0;
}
.game-console .packet-card summary {
  min-height: 28px;
  padding: 4px 0;
  font-size: 0.61rem;
}
.log ol {
  max-height: 260px;
  overflow-y: auto;
  padding: 0 0 0 22px;
  font-size: 0.71rem;
  color: var(--game-soft);
}
.log li {
  padding: 5px 0;
}
.log li.error {
  color: #f4bba0;
}
.tools-dialog {
  width: min(1080px, calc(100% - 40px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  padding: 22px;
  border: 3px solid #8ea69a;
  background: var(--game-bg);
  color: var(--game-paper);
  overflow: auto;
}
.tools-dialog::backdrop {
  background: #071d21d9;
  backdrop-filter: blur(4px);
}
.tools-dialog.fallback-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  z-index: 1100;
  box-shadow: 0 0 0 100vmax #071d21e8;
}
.tools-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--game-line);
}
.tools-header h2 {
  margin: 4px 0 0;
  font-size: 1.25rem;
}
.tools-header .pixel-button {
  font-size: 0.73rem;
}
.tools-lead {
  color: var(--game-soft);
  font-size: 0.77rem;
  margin: 14px 0 20px;
}
.tools-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.85fr) minmax(0, 1.3fr);
  gap: 22px;
}
.tools-layout h3 {
  font-size: 1rem;
  margin: 0 0 8px;
}
.tools-layout h4 {
  font-size: 0.76rem;
  margin: 15px 0 8px;
}
.inventory-panel {
  padding-right: 22px;
  border-right: 1px solid var(--game-line);
}
.inventory-instruction {
  color: var(--game-soft);
  font-size: 0.7rem;
  margin: 0;
}
.item-list {
  display: grid;
  gap: 7px;
}
.item-button {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--game-line);
  background: #1c4146;
  color: var(--game-paper);
  text-align: left;
}
.item-button strong {
  display: block;
  font-size: 0.75rem;
}
.item-button small {
  display: block;
  font-size: 0.65rem;
  color: var(--game-soft);
  margin-top: 2px;
}
.item-button[aria-pressed="true"] {
  background: #3b5149;
  border-color: var(--game-gold);
  box-shadow: inset 3px 0 0 var(--game-gold);
}
.item-button.old {
  border-style: dashed;
}
.item-button.old small {
  color: var(--game-gold);
}
#keyring,
#artifacts {
  max-height: 280px;
  overflow-y: auto;
  padding: 3px;
  margin: -3px;
}
.empty {
  padding: 15px;
  border: 1px dashed var(--game-line);
  color: var(--game-soft);
  font-size: 0.75rem;
}
.small-note {
  font-size: 0.68rem;
  line-height: 1.9;
  color: var(--game-soft);
  margin: 12px 0 0;
}
.tool-modes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}
.tool-modes button {
  padding: 9px 4px;
  min-height: 44px;
  border: 1px solid var(--game-line);
  color: var(--game-soft);
  background: #16373d;
  font-size: 0.69rem;
  font-weight: 700;
}
.tool-modes button[aria-pressed="true"] {
  background: var(--game-violet);
  color: var(--game-bg);
  border-color: var(--game-violet);
}
.tool-prompt {
  color: var(--game-paper);
  font-size: 0.79rem;
  margin: 14px 0 16px;
  padding: 10px 12px;
  border-left: 3px solid var(--game-violet);
  background: #d2bfef0a;
  line-height: 1.85;
}
.workbench label {
  display: block;
  font-size: 0.77rem;
  font-weight: 700;
  margin: 14px 0 7px;
}
.workbench select,
.workbench textarea {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  border: 1px solid #8aa196;
  color: #19383a;
  background: #f5f0dc;
  padding: 10px 12px;
  font-size: 0.8rem;
  border-radius: 0;
}
.workbench select {
  text-overflow: ellipsis;
}
.workbench textarea {
  font:
    500 0.98rem/1.8 Consolas,
    "Yu Gothic",
    monospace;
  resize: vertical;
  min-height: 108px;
}
.workbench textarea::placeholder {
  font:
    400 0.78rem/1.8 "Yu Gothic",
    sans-serif;
  color: #546a65;
}
.selected-description {
  font-size: 0.73rem;
  color: var(--game-soft);
  line-height: 1.85;
  margin: 9px 0;
}
.game-console .data-details {
  padding: 0 10px;
}
.data-details summary {
  font-size: 0.65rem;
  min-height: 34px;
  padding: 7px 0;
  color: var(--game-soft);
}
.data-details code {
  display: block;
  padding-bottom: 8px;
  color: var(--game-gold);
  font-size: 0.68rem;
  overflow-wrap: anywhere;
}
[data-tool-panel] > .pixel-button {
  margin-top: 17px;
}
.decryption {
  padding: 13px 16px;
  border: 1px solid var(--game-line);
  margin-top: 16px;
}
.decryption h4 {
  margin: 0 0 6px;
  color: var(--game-mint);
  font-size: 0.72rem;
}
.decryption p {
  margin: 0;
  font:
    500 0.95rem/1.8 Consolas,
    "Yu Gothic",
    monospace;
  overflow-wrap: anywhere;
}
.decryption button {
  margin-top: 12px;
  font-size: 0.74rem;
}
.created-card {
  margin-top: 18px;
  border: 1px solid var(--game-mint);
  padding: 14px;
}
.created-card > span {
  display: block;
  font-size: 0.67rem;
  color: var(--game-mint);
}
.created-card strong {
  display: block;
  font-size: 0.81rem;
  margin: 5px 0 12px;
}
.created-card button {
  font-size: 0.75rem;
}
.tool-feedback {
  margin-top: 18px;
  padding: 12px 14px;
  border-left: 3px solid var(--game-gold);
  background: #f4c7790c;
  color: var(--game-paper);
  font-size: 0.78rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
.tool-feedback.error {
  border-color: #e6a88e;
  background: #e6a88e0c;
}
.game-console .advanced {
  margin-top: 18px;
}
.advanced button {
  margin-bottom: 14px;
  font-size: 0.74rem;
}
.game-console:fullscreen,
.game-console.is-expanded {
  width: 100%;
  height: 100%;
  height: 100dvh;
  max-width: none;
  margin: 0;
  overflow: auto;
  border: 0;
  background: var(--game-bg);
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.game-console.is-expanded {
  position: fixed;
  inset: 0;
  z-index: 1000;
}
.game-console:fullscreen .game-toolbar,
.game-console.is-expanded .game-toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--game-bg);
}
.game-screen-lock,
.tools-open {
  overflow: hidden;
}
.learning {
  padding: 46px 0 24px;
}
.learning > .eyebrow {
  color: var(--violet-strong);
  margin-bottom: 9px;
}
.learning h2 {
  font:
    500 1.8rem/1.5 Georgia,
    "Yu Mincho",
    serif;
  margin: 0 0 22px;
}
.learning-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.learning-cards article {
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
.learning-cards span {
  font:
    italic 1.2rem Georgia,
    serif;
  color: var(--violet-strong);
}
.learning-cards h3 {
  font-size: 0.96rem;
  margin: 9px 0;
}
.learning-cards p {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
}
.model-note {
  border: 1px solid var(--line);
  padding: 0 18px;
}
.model-note summary {
  padding: 14px 0;
  font-weight: 700;
  font-size: 0.77rem;
  min-height: 44px;
}
.model-note p {
  font-size: 0.77rem;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.related {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 23px;
  margin-top: 24px;
  font-size: 0.75rem;
}
.related a {
  text-underline-offset: 4px;
}
@media (min-width: 1550px) {
  .crypto-shell {
    width: min(1440px, calc(100% - 64px));
  }
  .network-scene {
    padding-block: 25px;
  }
  .pixel-character {
    width: 65px;
    height: 87px;
  }
  .charlie-sprite {
    width: 40px;
    height: 54px;
  }
  .story-box > p {
    font-size: 0.87rem;
  }
  .command {
    padding-block: 16px;
  }
}
@media (max-width: 1000px) {
  .crypto-shell {
    width: calc(100% - 32px);
  }
  .game-inner {
    padding: 0 18px 20px;
  }
  .play-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(290px, 1fr);
    gap: 14px;
  }
  .command {
    gap: 9px;
    padding: 12px;
    min-height: 84px;
  }
  .command strong {
    font-size: 0.79rem;
  }
  .command small {
    font-size: 0.69rem;
  }
  .scene-top {
    font-size: 0.59rem;
    padding-inline: 10px;
  }
  .network-scene {
    gap: 6px;
    padding-inline: 8px;
  }
  .actor-bubble {
    font-size: 0.57rem;
  }
  .actor h3,
  .relay h3 {
    font-size: 0.72rem;
  }
  .story-box {
    padding: 14px;
  }
  .story-box > p {
    font-size: 0.77rem;
  }
  .goal-line p {
    font-size: 0.75rem;
  }
  .round-nav button span {
    display: block;
    margin-bottom: 3px;
  }
  .briefing-columns {
    gap: 18px;
  }
  .briefing-columns h3 {
    font-size: 0.83rem;
  }
  .briefing-columns p {
    font-size: 0.76rem;
  }
  .tools-layout {
    gap: 18px;
    grid-template-columns: minmax(200px, 0.85fr) minmax(0, 1.3fr);
  }
  .inventory-panel {
    padding-right: 18px;
  }
}
@media (max-width: 740px) {
  .page-heading {
    display: block;
    padding: 16px 0 22px;
  }
  .page-heading > p {
    font-size: 0.76rem;
    margin-top: 8px;
  }
  .page-heading > p br {
    display: none;
  }
  .page-heading .eyebrow {
    font-size: 0.6rem;
  }
  .game-console {
    border-width: 3px;
  }
  .game-inner {
    padding: 0 13px 16px;
  }
  .game-toolbar {
    padding: 12px 0;
    gap: 8px;
  }
  .game-logo {
    font-size: 0.69rem;
    letter-spacing: 0.03em;
  }
  .game-logo small {
    font-size: 0.57rem;
  }
  .game-logo i {
    display: none;
  }
  .toolbar-button {
    font-size: 0.67rem;
    padding: 8px;
  }
  .game-toolbar > div {
    gap: 5px;
  }
  .briefing {
    padding: 26px 2px 2px;
  }
  .briefing h2 {
    font-size: 1.3rem;
  }
  .briefing h2 em {
    display: block;
  }
  .briefing-lead {
    font-size: 0.8rem;
  }
  .brief-route {
    gap: 8px;
    padding: 16px 10px;
    margin-block: 20px;
  }
  .brief-route > span {
    font-size: 0.68rem;
  }
  .brief-route small {
    font-size: 0.55rem;
  }
  .brief-route i {
    font-size: 1.2rem;
  }
  .brief-route b {
    width: 33px;
    height: 33px;
    font-size: 1.1rem;
  }
  .briefing-columns {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .briefing-columns h3 {
    font-size: 0.88rem;
    margin: 6px 0;
  }
  .briefing-columns p {
    font-size: 0.79rem;
  }
  .briefing-bottom {
    display: block;
    padding-top: 14px;
  }
  .briefing-bottom p {
    font-size: 0.73rem;
  }
  .briefing-bottom button {
    width: 100%;
    margin: 5px 0;
  }
  .round-nav {
    margin: 16px 0;
  }
  .round-nav button {
    padding: 10px 6px;
    font-size: 0.69rem;
    min-height: 54px;
  }
  .round-nav button span {
    font-size: 0.51rem;
    letter-spacing: 0;
  }
  .level-heading h2 {
    font-size: 1.04rem;
  }
  .level-heading p {
    font-size: 0.72rem;
  }
  .level-heading .toolbar-button {
    flex-shrink: 0;
  }
  .pixel-label {
    font-size: 0.58rem;
  }
  .stages {
    gap: 7px;
    margin-bottom: 14px;
  }
  .stages li {
    font-size: 0.63rem;
    line-height: 1.6;
  }
  .stages span {
    margin-right: 4px;
  }
  .play-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .network-scene {
    padding: 13px 12px 16px;
    gap: 12px;
  }
  .actor-bubble {
    font-size: 0.64rem;
  }
  .pixel-character {
    width: 52px;
    height: 70px;
  }
  .charlie-sprite {
    width: 34px;
    height: 45px;
  }
  .actor h3,
  .relay h3 {
    font-size: 0.8rem;
  }
  .actor > span:last-child {
    font-size: 0.6rem;
  }
  .relay p {
    font-size: 0.61rem;
  }
  .packet-sprite {
    max-width: 140px;
  }
  .scene-top {
    font-size: 0.61rem;
  }
  .story-box h3 {
    font-size: 0.97rem;
  }
  .story-box > p {
    font-size: 0.8rem;
  }
  .goal-line p {
    font-size: 0.78rem;
  }
  .command-heading h3 {
    font-size: 0.94rem;
  }
  .command {
    padding: 13px 14px;
    min-height: 78px;
    gap: 12px;
  }
  .command strong {
    font-size: 0.86rem;
  }
  .command small {
    font-size: 0.75rem;
  }
  .command-icon {
    width: 32px;
    height: 32px;
  }
  .outgoing-card strong {
    font-size: 0.79rem;
  }
  .mission-tracker {
    font-size: 0.74rem;
    padding-block: 14px;
  }
  .secret-card {
    justify-content: space-between;
  }
  .action-result {
    padding: 15px;
    margin-top: 16px;
  }
  .action-result h3 {
    font-size: 1rem;
  }
  .action-result > p {
    font-size: 0.8rem;
  }
  .result-actions {
    gap: 10px;
  }
  .result-actions .pixel-button {
    width: 100%;
    font-size: 0.77rem;
  }
  .game-notes {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .tools-dialog {
    width: calc(100% - 16px);
    padding: 15px;
    max-height: calc(100dvh - 16px);
  }
  .tools-header {
    gap: 8px;
    align-items: start;
  }
  .tools-header h2 {
    font-size: 1.12rem;
  }
  .tools-header .pixel-button {
    font-size: 0.65rem;
    min-height: 44px;
    padding: 8px;
  }
  .tools-lead {
    font-size: 0.74rem;
  }
  .tools-layout {
    display: flex;
    flex-direction: column;
    gap: 22px;
  }
  .inventory-panel {
    border: 0;
    border-bottom: 1px solid var(--game-line);
    padding: 0 0 16px;
    order: 2;
  }
  .workbench {
    order: 1;
  }
  .inventory-panel h3 {
    font-size: 0.9rem;
  }
  .inventory-instruction {
    font-size: 0.67rem;
  }
  #keyring,
  #artifacts {
    max-height: 220px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .item-button {
    padding: 9px;
  }
  .item-button strong {
    font-size: 0.7rem;
  }
  .item-button small {
    font-size: 0.6rem;
  }
  .item-list .empty {
    grid-column: 1/-1;
  }
  .tool-modes button {
    font-size: 0.68rem;
    padding: 8px 3px;
  }
  .tool-prompt {
    font-size: 0.77rem;
  }
  .workbench select {
    font-size: 0.78rem;
  }
  .auth-control {
    padding: 12px;
  }
  .auth-control label {
    font-size: 0.74rem;
  }
  .auth-control p {
    font-size: 0.65rem;
  }
  .learning {
    padding-top: 34px;
  }
  .learning h2 {
    font-size: 1.55rem;
  }
  .learning-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .learning-cards article {
    display: grid;
    grid-template-columns: 32px 1fr;
  }
  .learning-cards span {
    grid-row: span 2;
  }
  .learning-cards h3 {
    margin: 0 0 7px;
  }
  .learning-cards p {
    grid-column: 2;
  }
  .related {
    font-size: 0.7rem;
    gap: 12px 18px;
  }
}
@media (max-width: 380px) {
  .crypto-shell {
    width: calc(100% - 20px);
  }
  .game-inner {
    padding-inline: 10px;
  }
  .game-logo small {
    max-width: 100px;
    font-size: 0.54rem;
  }
  .toolbar-button {
    font-size: 0.62rem;
    padding: 7px;
  }
  .game-toolbar > div {
    gap: 4px;
  }
  .network-scene {
    padding-inline: 5px;
    gap: 6px;
  }
  .actor-bubble {
    font-size: 0.6rem;
  }
  .command strong {
    font-size: 0.8rem;
  }
  .brief-route small {
    font-size: 0.51rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}