:root {
  --bg-0: #06070d;
  --bg-1: #0c1124;
  --bg-2: #111737;
  --storm: #49b0ff;
  --storm-2: #98f0ff;
  --danger: #ff4f6d;
  --good: #7cf8cb;
  --panel: rgba(10, 14, 30, 0.82);
  --panel-border: rgba(116, 201, 255, 0.25);
  --text: #e5ebff;
  --muted: #9fafd8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Outfit, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1500px 600px at 70% -20%, rgba(73, 176, 255, 0.18), transparent 65%),
    radial-gradient(1000px 500px at 10% 120%, rgba(142, 75, 255, 0.12), transparent 70%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 40%, var(--bg-2));
}

body {
  display: grid;
  place-items: center;
  padding: 1rem;
}

.game-shell {
  width: min(1100px, 100%);
  display: grid;
  gap: 0.9rem;
}

.hud {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), inset 0 0 24px rgba(73, 176, 255, 0.08);
}

.title-group h1 {
  margin: 0;
  font-family: "Press Start 2P", monospace;
  font-size: clamp(0.7rem, 1.8vw, 1rem);
  color: #d6ecff;
}

.title-group p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(90px, 1fr));
  gap: 0.55rem;
}

.stat {
  display: grid;
  gap: 0.25rem;
  text-align: center;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  border: 1px solid rgba(116, 201, 255, 0.2);
  background: rgba(15, 23, 48, 0.65);
}

.stat span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.stat strong {
  font-size: 1.02rem;
  color: #eff7ff;
}

.stage-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(132, 212, 255, 0.25);
  box-shadow:
    0 10px 32px rgba(0, 0, 0, 0.55),
    inset 0 0 42px rgba(89, 160, 255, 0.08);
}

#gameCanvas {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(#0b1020, #131d3d);
}

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  background: linear-gradient(180deg, rgba(3, 6, 14, 0.66), rgba(8, 12, 25, 0.9));
}

.overlay.visible {
  display: grid;
}

.card {
  width: min(560px, calc(100% - 2rem));
  border-radius: 14px;
  background: rgba(9, 14, 29, 0.88);
  border: 1px solid rgba(138, 206, 255, 0.28);
  padding: 1.2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55), inset 0 0 30px rgba(113, 171, 255, 0.08);
}

.card h2 {
  margin: 0;
  color: #d8eeff;
  letter-spacing: 0.02em;
}

.card p {
  margin: 0.8rem 0 1rem;
  color: #b8c8ef;
  line-height: 1.4;
}

.card button {
  border: none;
  border-radius: 999px;
  background: linear-gradient(140deg, #4dbdff, #6f77ff);
  color: #f7fbff;
  font-weight: 700;
  padding: 0.66rem 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(71, 143, 255, 0.4);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  justify-content: center;
  color: #a4b4df;
  font-size: 0.9rem;
}

@media (max-width: 920px) {
  .hud {
    flex-direction: column;
  }

  .stats {
    grid-template-columns: repeat(3, minmax(90px, 1fr));
  }
}