/* ── Game of Life ──
   The board is a canvas sized by life.js to the card's width (a whole
   number of pixels per cell). Colours below are read by the script. */

/* ── Palette (dark is the site default) ── */
.lf-game {
  --lf-bg: #0a0e17;
  --lf-grid: rgba(122, 162, 247, 0.06);
  --lf-live: #5b8def;
  --lf-young: #a8c8ff;
  --lf-hover: rgba(168, 200, 255, 0.6);
}

[data-theme="light"] .lf-game {
  --lf-bg: #eceef1;
  --lf-grid: rgba(44, 44, 52, 0.07);
  --lf-live: #3b6cc2;
  --lf-young: #1d3f80;
  --lf-hover: rgba(59, 108, 194, 0.6);
}

/* ── Card and controls ── */
.game-card.lf-card {
  max-width: 50rem;
  margin: 0 auto;
  opacity: 1;
  transform: none;
}

.lf-controls {
  justify-content: center;
}

.lf-play {
  min-width: 4.5rem;
  font-weight: 600;
}

.game-controls .lf-play[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.lf-settings {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 1.5rem;
  margin-bottom: 0.9rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.lf-settings label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.lf-speed input {
  width: 8rem;
  accent-color: var(--accent);
}

.lf-speed output {
  min-width: 2.6rem;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}

.lf-edges input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

/* ── Board ── */
.lf-wrap {
  display: flex;
  justify-content: center;
}

.lf-wrap canvas {
  display: block;
  border-radius: 8px;
  box-shadow:
    0 0 0 1px var(--card-border),
    0 10px 30px rgba(0, 0, 0, 0.3);
  cursor: crosshair;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

[data-theme="light"] .lf-wrap canvas {
  box-shadow:
    0 0 0 1px var(--btn-border),
    0 8px 24px rgba(0, 0, 0, 0.1);
}

.lf-wrap canvas:focus {
  outline: none;
}

.lf-wrap canvas:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── Stats, status and help ── */
.lf-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.lf-stats strong {
  display: inline-block;
  min-width: 3ch;
}

.lf-status {
  min-height: 1.5em;
  margin-top: 0.35rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--accent);
}

.lf-help {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
  text-align: center;
}

@media (pointer: coarse) {
  .lf-help-keys { display: none; }
}

.lf-help kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 0 0.3em;
  font-family: inherit;
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
  border-radius: 4px;
  border: 1px solid var(--card-border);
  background: var(--btn-bg);
  color: var(--fg);
}

[data-theme="light"] .lf-help kbd {
  border-color: var(--btn-border);
}