@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
  --bg: #171320;
  --bg-alt: #211c2e;
  --panel: #241f33;
  --panel-edge: #362d4d;
  --gold: #f4b93f;
  --coral: #ff6b6b;
  --teal: #5fd9c9;
  --violet: #b98aff;
  --ivory: #ece6da;
  --text-dim: #a89fc2;
  --accent: var(--teal);
  --display-font: 'Press Start 2P', monospace;
  --body-font: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--body-font);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem 3rem;
}

.game-shell {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.top-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.back-link {
  font-family: var(--body-font);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--panel-edge);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.back-link:hover, .back-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}

.game-title {
  font-family: var(--display-font);
  font-size: 0.85rem;
  color: var(--accent);
  text-align: right;
  line-height: 1.6;
  text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 50%, transparent);
}

.hud {
  width: 100%;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1rem;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.stat .label {
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat .value {
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.board-wrap {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

canvas {
  background: var(--bg-alt);
  border: 1px solid var(--panel-edge);
  border-radius: 12px;
  max-width: 100%;
  height: auto;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(23, 19, 32, 0.88);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  padding: 1.5rem;
}

.overlay.hidden { display: none; }

.overlay h2 {
  font-family: var(--display-font);
  font-size: 1.1rem;
  color: var(--gold);
  margin: 0;
}

.overlay p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.9rem;
}

.btn {
  font-family: var(--body-font);
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn:hover, .btn:focus-visible { filter: brightness(1.1); transform: translateY(-1px); outline: none; }
.btn:active { transform: translateY(0); }

.instructions {
  margin-top: 1.25rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
  max-width: 480px;
}

.instructions kbd {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
  font-family: var(--body-font);
  font-size: 0.8rem;
}