:root {
  color-scheme: dark;
  --ink: #dce9e6;
  --muted: #91adb4;
  --navy: #10252d;
  --line: #36515a;
  --amber: #f4bc69;
  --mint: #8de4ce;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #0c1b22;
  color: var(--ink);
  font:
    14px/1.5 system-ui,
    -apple-system,
    sans-serif;
}
button,
a {
  touch-action: manipulation;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #16313b;
  padding: 10px 16px;
}
button:hover {
  background: #254651;
  border-color: var(--mint);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}
a {
  color: inherit;
  text-decoration: none;
}
button[hidden],
[hidden] {
  display: none !important;
}
.topbar {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 38px;
  border-bottom: 1px solid #253e46;
}
.wordmark {
  font-size: 11px;
  letter-spacing: 2px;
}
.wordmark b {
  font-weight: 800;
}
.wordmark span {
  color: var(--amber);
  margin-left: 12px;
}
.topbar nav {
  display: flex;
  align-items: center;
  gap: 25px;
  font-size: 12px;
}
.topbar button {
  border: 0;
  background: transparent;
  padding: 8px;
}
#stage {
  position: relative;
  width: 100%;
  height: calc(100svh - 126px);
  min-height: 450px;
  overflow: hidden;
  background: #142c37;
}
canvas#game {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}
#hud {
  position: absolute;
  top: 24px;
  left: 32px;
  right: 32px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}
#hud strong {
  display: block;
  font-size: 21px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px #10252d;
}
.eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--mint);
}
.hud-counts {
  display: flex;
  gap: 22px;
  align-items: center;
  font:
    12px ui-monospace,
    monospace;
  color: #eaf3eb;
}
.hud-counts span {
  background: #10252de6;
  padding: 10px 15px;
  border-radius: 4px;
}
#message {
  position: absolute;
  bottom: 35px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  background: #112b35e8;
  border: 1px solid #5c8a88;
  color: var(--mint);
  border-radius: 5px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  white-space: pre-line;
  text-align: center;
  max-width: 90%;
}
#message.visible {
  opacity: 1;
}
.overlay {
  position: absolute;
  inset: 0;
}
.title {
  background: linear-gradient(
    90deg,
    #0d212bf5 0%,
    #0d212bd9 32%,
    #0d212b00 75%
  );
  display: flex;
  align-items: center;
}
.intro {
  margin: 0 0 0 9vw;
}
.intro h1 {
  font-size: clamp(60px, 8.2vw, 118px);
  line-height: 0.84;
  letter-spacing: -7px;
  margin: 30px 0 26px;
  font-weight: 900;
}
.intro h1 em {
  font-style: normal;
  color: var(--amber);
}
.signal-mark {
  display: block;
  font-size: 13px;
  color: var(--mint);
  letter-spacing: 5px;
  margin-top: 25px;
}
.intro p {
  font-size: 17px;
  color: #b4c6c8;
  margin: 0 0 28px;
}
.actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.primary {
  background: var(--amber);
  color: #172d34;
  border: 0;
  font-weight: 750;
  padding: 15px 24px;
  min-width: 220px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.primary:hover {
  background: #ffd18b;
  color: #10252d;
}
.quiet {
  background: transparent;
  border-color: transparent;
  padding-left: 0;
}
.edition {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  color: #76969e;
  margin-top: 34px;
}
.station-caption {
  position: absolute;
  right: 7%;
  bottom: 8%;
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--amber);
  padding-left: 18px;
  color: #9bb5bc;
  font-size: 11px;
  gap: 6px;
}
.station-caption b {
  font-size: 22px;
  color: #e4eee7;
  font-weight: 500;
}
.station-caption span:first-child {
  letter-spacing: 2px;
  font-size: 9px;
}
.modal {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #081b26c9;
  backdrop-filter: blur(7px);
}
.panel {
  width: 520px;
  max-width: 92%;
  padding: 36px;
  background: #142f39;
  border: 1px solid #476671;
  border-radius: 10px;
  box-shadow: 0 25px 70px #0005;
}
.panel h2 {
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -1.6px;
  margin: 18px 0;
}
.panel p {
  color: #a8c0c6;
  white-space: pre-line;
}
.panel button {
  display: block;
  width: 100%;
  margin-top: 12px;
  text-align: left;
}
.panel .primary {
  display: flex;
}
.station-button small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 3px;
}
.station-button b {
  font-size: 17px;
}
.station-button .done {
  float: right;
  color: var(--mint);
}
#load-status {
  position: absolute;
  inset: 0;
  background: #10252d;
  display: grid;
  place-items: center;
  color: var(--mint);
  z-index: 5;
}
footer {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 38px;
  color: var(--muted);
  font-size: 11px;
  gap: 10px;
}
footer button {
  background: transparent;
  padding: 6px 12px;
  font-size: 11px;
}
kbd {
  display: inline-block;
  min-width: 19px;
  padding: 1px 5px;
  border: 1px solid #36515a;
  border-bottom-width: 2px;
  border-radius: 3px;
  margin: 0 4px 0 8px;
  color: #c3d6d5;
  font: 10px system-ui;
}
.touch-controls {
  display: none;
  justify-content: space-between;
  padding: 12px 20px;
  background: #10252d;
}
.touch-controls > div {
  display: flex;
  gap: 8px;
}
.touch-controls button {
  min-width: 54px;
  min-height: 48px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.touch-controls button.active {
  background: #417062;
}
.editor-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  min-height: calc(100svh - 70px);
}
.inspector {
  padding: 22px;
  background: #132a33;
  border-right: 1px solid var(--line);
  overflow: auto;
  max-height: calc(100svh - 70px);
}
.inspector h2 {
  font-size: 19px;
  margin: 0 0 16px;
}
.inspector label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin: 10px 0;
}
.inspector input,
.inspector select,
.inspector textarea {
  width: 100%;
  margin-top: 4px;
  background: #0a202a;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 8px;
  color: var(--ink);
  font: 13px system-ui;
}
.inspector input[type="checkbox"] {
  width: auto;
}
.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.inspector button {
  width: 100%;
  margin: 5px 0;
  font-size: 12px;
}
.editor-work {
  overflow: auto;
  padding: 24px;
}
.editor-work canvas {
  background: #18343e;
  cursor: crosshair;
  display: block;
}
.editor-tools {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.editor-tools select {
  background: #16313b;
  color: var(--ink);
  padding: 8px;
  border: 1px solid var(--line);
}
#validation {
  font-size: 12px;
  max-width: 900px;
  white-space: pre-line;
  padding: 12px 0;
  color: var(--amber);
}
#validation.valid {
  color: var(--mint);
}
.editor-help {
  color: var(--muted);
  font-size: 12px;
  max-width: 800px;
}
@media (pointer: coarse) {
  .touch-controls {
    display: flex;
  }
  #stage {
    height: calc(100svh - 195px);
    min-height: 350px;
  }
  footer #hint {
    display: none;
  }
  .topbar {
    height: 60px;
    padding: 0 16px;
  }
  .topbar nav {
    gap: 10px;
  }
}
@media (max-width: 700px) {
  .topbar {
    padding: 0 16px;
  }
  .topbar nav {
    gap: 10px;
  }
  .topbar nav a {
    font-size: 10px;
  }
  .wordmark {
    font-size: 9px;
    letter-spacing: 1px;
  }
  .intro {
    margin-left: 7vw;
  }
  .intro h1 {
    letter-spacing: -4px;
  }
  .intro p {
    font-size: 14px;
  }
  .edition {
    margin-top: 20px;
  }
  .station-caption {
    display: none;
  }
  footer {
    padding: 0 16px;
  }
  #hint {
    font-size: 9px;
  }
  kbd {
    margin-left: 3px;
  }
  #hud {
    left: 16px;
    right: 16px;
    top: 16px;
  }
  #hud strong {
    font-size: 15px;
  }
  .hud-counts {
    gap: 5px;
    font-size: 10px;
  }
  .hud-counts span {
    padding: 6px;
  }
  .editor-layout {
    grid-template-columns: 210px 1fr;
  }
  .inspector {
    padding: 12px;
  }
  .intro .eyebrow {
    font-size: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

@media (max-width: 700px) {
  .touch-controls {
    display: flex;
  }
  #stage {
    height: calc(100svh - 205px);
    min-height: 360px;
  }
  #hint {
    display: none;
  }
  .hud-counts {
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
  }
  .intro h1 {
    font-size: 62px;
  }
  .intro .eyebrow {
    letter-spacing: 1px;
  }
  .intro p {
    font-size: 13px;
  }
  .intro .edition {
    font-size: 8px;
  }
  .primary {
    padding: 12px 18px;
  }
}

/* Public demo navigation */
.demo-links{display:flex;gap:18px;font:600 12px system-ui}.demo-links a{color:inherit;text-decoration:underline;text-underline-offset:4px}@media(max-width:650px){header{flex-wrap:wrap;gap:12px}.demo-links{width:100%;justify-content:space-between}}