:root {
  --bg: #070a0f;
  --panel: #0d1219;
  --panel-2: #121923;
  --text: #eef3f8;
  --muted: #8995a5;
  --line: #27313e;
  --light: #7df2c5;
  --blue: #79a9ff;
  --danger: #ff6f91;
  --amber: #ffc857;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 4%, #173027 0, transparent 29rem),
    radial-gradient(circle at 4% 35%, #15233b 0, transparent 26rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

button, a { font: inherit; }
button { color: inherit; }

.page-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.lab-link,
.primary-button,
.icon-button,
.flare-button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff08;
  text-decoration: none;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.lab-link {
  padding: 11px 16px;
  color: var(--text);
}

.lab-link:hover,
.lab-link:focus-visible,
.icon-button:hover,
.icon-button:focus-visible,
.flare-button:hover,
.flare-button:focus-visible {
  border-color: #ffffff48;
  background: #ffffff0f;
}

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

.build-mark,
.game-top,
.telemetry,
.eyebrow,
.controls,
.game-foot {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.build-mark {
  color: #647080;
  font-size: 0.73rem;
  letter-spacing: 0.11em;
}

.game-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #05070a;
  box-shadow: 0 24px 80px #0009;
}

.game-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 0.79rem;
  letter-spacing: 0.03em;
}

.phase-label {
  margin-left: 10px;
  color: var(--light);
  font-size: 0.65rem;
}

.scoreboard {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
}

.scoreboard b { color: var(--text); }

.telemetry {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(2, minmax(74px, 0.55fr)) minmax(180px, 1fr);
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.meter-block,
.readout {
  min-height: 57px;
  padding: 10px 14px;
  background: #090d13;
}

.meter-label,
.readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.meter-label span,
.readout span {
  color: #677483;
  font-size: 0.64rem;
  letter-spacing: 0.09em;
}

.meter-label b,
.readout b {
  font-size: 0.76rem;
  white-space: nowrap;
}

.meter-track {
  height: 5px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #ffffff0b;
}

.meter-fill {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--light);
  box-shadow: 0 0 16px #7df2c588;
  transition: width 100ms linear, background 180ms ease;
}

.meter-fill.warning { background: var(--amber); box-shadow: 0 0 16px #ffc85777; }
.meter-fill.critical { background: var(--danger); box-shadow: 0 0 18px #ff6f9199; }

.game-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #070a0f;
  isolation: isolate;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  user-select: none;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #05070ade;
  text-align: center;
  backdrop-filter: blur(3px);
  transition: opacity 180ms ease;
}

.overlay.hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.panel { width: min(590px, 100%); }

.eyebrow {
  color: var(--light);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.panel h1 {
  margin: 12px 0 10px;
  font-size: clamp(2.15rem, 5vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.panel p {
  max-width: 560px;
  margin: 0 auto;
  color: #a8b3c1;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 19px 0;
  color: var(--muted);
  font-size: 0.67rem;
}

.key {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #ffffff08;
  color: #d9e1ea;
}

.touch-controls,
.touch-hint { display: none; }

.primary-button {
  padding: 12px 19px;
  border-color: var(--light);
  background: var(--light);
  color: #07110d;
  font-weight: 850;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-2px);
  background: #9ff9d8;
}

.stage-actions {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.icon-button,
.flare-button {
  min-height: 44px;
  border-color: #ffffff26;
  background: #081018dc;
  backdrop-filter: blur(8px);
}

.icon-button {
  width: 44px;
  padding: 0;
  font-weight: 800;
}

.flare-button {
  display: grid;
  min-width: 88px;
  padding: 6px 12px;
  color: var(--light);
  font: 800 0.69rem/1.15 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.08em;
}

.flare-button small {
  color: var(--muted);
  font-size: 0.55rem;
}

.flare-button[disabled] {
  cursor: not-allowed;
  opacity: 0.48;
}

.announcement {
  position: absolute;
  top: 22px;
  left: 50%;
  z-index: 2;
  width: min(520px, 70%);
  transform: translateX(-50%);
  color: var(--light);
  font: 800 clamp(0.75rem, 2vw, 1.05rem)/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.13em;
  text-align: center;
  text-shadow: 0 0 16px #000, 0 0 26px currentColor;
  pointer-events: none;
}

.game-foot {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 13px 18px;
  color: var(--muted);
  font-size: 0.72rem;
}

.game-foot > :last-child { text-align: right; }

@media (max-width: 720px) {
  .page-shell { padding: 14px; }
  .page-header { margin-bottom: 14px; }
  .build-mark { display: none; }
  .lab-link { padding: 9px 12px; font-size: 0.82rem; }
  .game-shell { border-radius: 15px; }

  .game-top {
    align-items: flex-start;
    padding: 10px 12px;
    font-size: 0.68rem;
  }

  .phase-label { display: block; margin: 3px 0 0; }
  .scoreboard {
    display: grid;
    grid-template-columns: auto auto;
    column-gap: 6px;
    row-gap: 1px;
    max-width: none;
    text-align: right;
  }
  .scoreboard > span { display: none; }

  .telemetry {
    grid-template-columns: 1fr 78px 66px;
  }

  .meter-block,
  .readout { min-height: 52px; padding: 8px 10px; }
  .readout {
    display: grid;
    align-content: center;
    justify-items: start;
    gap: 2px;
  }
  .objective { display: none; }
  .meter-label span,
  .readout span { font-size: 0.56rem; }

  .game-stage { aspect-ratio: 3 / 4; }
  .overlay { padding: 18px; align-items: center; }
  .panel h1 { margin-top: 9px; font-size: clamp(2rem, 13vw, 3.1rem); }
  .panel p { font-size: 0.9rem; line-height: 1.45; }
  .eyebrow { font-size: 0.61rem; }
  .desktop-controls { display: none; }
  .touch-controls { display: flex; margin: 14px 0; }
  .desktop-hint { display: none; }
  .touch-hint { display: inline; }

  .stage-actions { right: 10px; bottom: 10px; }
  .icon-button { width: 42px; }
  .flare-button { min-width: 82px; }

  .game-foot {
    display: grid;
    gap: 5px;
    padding: 10px 12px;
    font-size: 0.66rem;
  }

  .game-foot > :last-child { text-align: left; }
}

@media (max-width: 380px) {
  .page-shell { padding: 8px; }
  .game-top { font-size: 0.62rem; }
  .scoreboard { max-width: 130px; gap: 4px; }
  .panel p { font-size: 0.84rem; }
  .controls { font-size: 0.59rem; }
}

@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;
  }
}