:root {
  --bg: #060816;
  --panel: rgba(8, 15, 32, 0.8);
  --ink: #e9f7ff;
  --accent: #6af7ff;
  --accent-2: #ff5fd2;
  --accent-3: #ffe45c;
  --line: rgba(106, 247, 255, 0.25);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Mono", monospace;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(106,247,255,0.18), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(255,95,210,0.15), transparent 25%),
    linear-gradient(180deg, #0a0f23 0%, #04060e 100%);
}
.shell {
  width: min(1100px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
}
.top-actions {
  margin: 18px 0 0;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}
.hud, .controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--accent);
}
h1 {
  margin: 8px 0 10px;
  font-family: "Press Start 2P", cursive;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.1;
  text-shadow: 0 0 18px rgba(106,247,255,0.45);
}
.subtitle {
  margin: 0;
  max-width: 58ch;
  color: rgba(233,247,255,0.8);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  gap: 12px;
}
.stats div, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 16px 60px rgba(0,0,0,0.35), inset 0 0 22px rgba(106,247,255,0.04);
  backdrop-filter: blur(10px);
}
.stats div {
  padding: 14px 16px;
  border-radius: 16px;
  text-align: center;
}
.stats span {
  display: block;
  font-size: 11px;
  color: rgba(233,247,255,0.64);
}
.stats strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
  color: var(--accent-3);
}
.game-wrap {
  position: relative;
  margin: 22px 0 18px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 18px 80px rgba(0,0,0,0.45);
}
canvas {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(180deg, rgba(22,32,63,0.9), rgba(4,7,14,0.95));
}
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(2, 4, 10, 0.52);
}
.overlay.hidden { display: none; }
.panel {
  width: min(520px, calc(100% - 32px));
  padding: 28px;
  border-radius: 24px;
  text-align: center;
}
.panel-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  letter-spacing: 0.22em;
  font-size: 12px;
}
.panel h2 {
  margin: 0 0 14px;
  font-family: "Press Start 2P", cursive;
  font-size: 24px;
  line-height: 1.4;
}
.panel p { margin: 0 0 18px; color: rgba(233,247,255,0.8); }
button {
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #041018;
  padding: 14px 24px;
  font-family: "Press Start 2P", cursive;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(255,95,210,0.25);
}
.controls {
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 14px 28px;
  color: rgba(233,247,255,0.78);
}
.controls div { display: flex; align-items: center; gap: 10px; }
kbd {
  min-width: 42px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  text-align: center;
}
@media (max-width: 900px) {
  .hud { flex-direction: column; align-items: flex-start; }
  .stats { width: 100%; }
}