:root {
  color-scheme: dark;
  --black: #020706;
  --panel: #07100e;
  --green: #86ffb0;
  --green-bright: #c0ffd1;
  --green-dim: #3f9d66;
  --amber: #ffc466;
  --white: #edfdf1;
  --line: rgba(134, 255, 176, 0.35);
  --glow: 0 0 10px rgba(104, 255, 154, 0.32);
  font-family: "Courier New", Courier, monospace;
  background: var(--black);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% -10%, rgba(36, 108, 69, 0.22), transparent 45%),
    var(--black);
  color: var(--green);
}

body {
  min-width: 320px;
  min-height: 320px;
}

button,
kbd,
output {
  font: inherit;
}

button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--green-dim);
  border-radius: 2px;
  color: var(--green-bright);
  background: rgba(4, 17, 12, 0.94);
  cursor: pointer;
  letter-spacing: 0.08em;
}

button:hover {
  border-color: var(--green-bright);
  box-shadow: var(--glow);
}

button:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.cabinet {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100%;
  height: 100%;
  height: 100dvh;
  padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  gap: 6px;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(83, 255, 139, 0.015) 3px 4px);
}

.masthead,
.footer-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  border: 1px solid var(--line);
  background: rgba(3, 12, 9, 0.88);
}

.masthead {
  min-height: 52px;
  padding: 5px 10px;
}

.wordmark {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-shadow: var(--glow);
}

.wordmark__main {
  color: var(--white);
  font-size: clamp(1.15rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: 0.18em;
}

.wordmark__sub {
  margin-top: 4px;
  font-size: clamp(0.5rem, 1vw, 0.7rem);
  letter-spacing: 0.16em;
}

.header-actions {
  display: flex;
  gap: 6px;
}

.icon-button {
  min-height: 44px;
  padding: 5px 9px;
  font-size: 0.66rem;
}

.game-layout {
  display: grid;
  grid-template-rows: minmax(48%, 3fr) minmax(180px, 2fr);
  gap: 6px;
  min-height: 0;
}

.panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--green-dim);
  background: rgba(1, 8, 6, 0.96);
  box-shadow: inset 0 0 28px rgba(47, 180, 92, 0.06);
}

.viewport-panel canvas,
.radar-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewport-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 58%, rgba(0, 0, 0, 0.28) 100%),
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(120, 255, 166, 0.022) 3px 4px);
}

.reduced-effects .viewport-panel::after {
  background: radial-gradient(ellipse at center, transparent 62%, rgba(0, 0, 0, 0.22) 100%);
}

.viewport-chrome {
  position: absolute;
  inset: 7px 9px auto;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  color: var(--green-dim);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
}

.game-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  background: radial-gradient(circle, rgba(3, 16, 11, 0.62), rgba(1, 6, 5, 0.9));
}

.game-overlay[hidden] {
  display: none;
}

.game-overlay h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2.2rem, 9vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  text-shadow: 0 0 8px var(--green), 0 0 28px rgba(104, 255, 154, 0.45);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: clamp(0.65rem, 1.5vw, 0.85rem);
  letter-spacing: 0.24em;
}

#overlay-copy {
  max-width: 42rem;
  margin: 14px 0;
  color: var(--green-bright);
  font-size: clamp(0.72rem, 1.8vw, 1rem);
}

.control-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  margin-bottom: 16px;
  color: var(--green-dim);
  font-size: clamp(0.58rem, 1.4vw, 0.76rem);
}

kbd {
  display: inline-block;
  min-width: 1.5em;
  margin-right: 2px;
  padding: 2px 4px;
  border: 1px solid var(--green-dim);
  color: var(--white);
  background: #07140f;
}

.action-button {
  min-width: 150px;
  padding: 8px 20px;
  border-color: var(--green-bright);
  color: var(--black);
  background: var(--green-bright);
  font-weight: 800;
}

.console-panel {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) minmax(180px, 42vh) minmax(100px, 1fr);
  align-items: stretch;
  justify-content: center;
  padding: 5px;
}

.radar-wrap {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: 100%;
  max-width: min(42vh, 430px);
  min-width: 180px;
  min-height: 0;
  justify-self: center;
  border-inline: 1px solid var(--line);
}

.radar-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 6px 4px;
  white-space: nowrap;
}

.radar-label h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(0.62rem, 1.2vw, 0.8rem);
  letter-spacing: 0.14em;
}

.radar-label span {
  color: var(--green-dim);
  font-size: 0.54rem;
}

#radar-canvas {
  aspect-ratio: 1;
  max-height: 100%;
}

.stat-bank {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(5px, 2vh, 16px);
  padding: 6px clamp(6px, 2vw, 24px);
}

.stat-bank--right {
  text-align: right;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat span {
  color: var(--green-dim);
  font-size: clamp(0.55rem, 1vw, 0.68rem);
  letter-spacing: 0.16em;
}

.stat output {
  overflow: hidden;
  color: var(--green-bright);
  font-size: clamp(0.75rem, 2.1vw, 1.35rem);
  line-height: 1;
  text-overflow: clip;
  text-shadow: var(--glow);
}

.footer-strip {
  min-height: 28px;
  padding: 3px 8px;
  color: var(--green-dim);
  font-size: clamp(0.54rem, 1vw, 0.68rem);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.touch-controls {
  position: absolute;
  inset: auto 8px 8px;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 64px));
  justify-content: space-between;
  gap: 6px;
  pointer-events: none;
}

.touch-controls[hidden] {
  display: none;
}

.touch-controls button {
  pointer-events: auto;
  touch-action: none;
  user-select: none;
  background: rgba(3, 19, 12, 0.78);
}

.diagnostics {
  position: absolute;
  inset: 28px 8px auto auto;
  padding: 5px;
  color: var(--amber);
  background: rgba(0, 0, 0, 0.8);
  font-size: 0.65rem;
  white-space: pre;
}

.fatal-message {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  color: var(--amber);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .cabinet {
    padding: max(4px, env(safe-area-inset-top)) max(4px, env(safe-area-inset-right)) max(4px, env(safe-area-inset-bottom)) max(4px, env(safe-area-inset-left));
    gap: 4px;
  }

  .masthead {
    min-height: 44px;
    padding: 3px 6px;
  }

  .wordmark__sub,
  .icon-button:not(#mute-button),
  .footer-strip span:last-child,
  .radar-label span {
    display: none;
  }

  .icon-button {
    min-height: 44px;
  }

  .game-layout {
    grid-template-rows: minmax(48%, 1fr) minmax(min(188px, 52vw), 0.9fr);
  }

  .console-panel {
    grid-template-columns: minmax(60px, 1fr) minmax(min(188px, 52vw), 188px) minmax(60px, 1fr);
    padding: 2px;
  }

  .radar-wrap {
    min-width: min(188px, 52vw);
  }

  .stat-bank {
    padding: 4px;
  }

  .control-summary {
    gap: 5px 8px;
  }
}

@media (orientation: landscape) and (max-height: 480px) {
  .masthead,
  .footer-strip {
    display: none;
  }

  .cabinet {
    grid-template-rows: minmax(0, 1fr);
  }

  .game-layout {
    grid-template: minmax(0, 1fr) / minmax(0, 1fr) 300px;
  }

  .console-panel {
    grid-template-columns: 50px minmax(180px, 190px) 50px;
  }

  .radar-wrap {
    min-width: 180px;
    max-width: 100%;
  }

  .radar-label span {
    display: none;
  }

  .stat-bank {
    padding: 2px;
  }

  .stat output {
    font-size: 0.72rem;
  }

  .game-overlay {
    padding: 8px;
  }

  .game-overlay h1 {
    font-size: clamp(1.65rem, 7.5vw, 3rem);
  }

  .control-summary {
    margin-bottom: 7px;
  }
}

@media (pointer: coarse) {
  .touch-controls:not([hidden]) {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .cabinet {
    background-image: none;
  }

  .viewport-panel::after {
    background: radial-gradient(ellipse at center, transparent 62%, rgba(0, 0, 0, 0.22) 100%);
  }
}

@media (prefers-contrast: more) {
  :root {
    --green: #b4ffca;
    --green-dim: #72d995;
    --line: rgba(180, 255, 202, 0.7);
  }
}