/* Neon Snake Rush - canvas snake with d-pad. */
.snake-arena { display: flex; flex-direction: column; align-items: center; gap: 12px; }

.snake-board {
  width: min(92vw, 440px);
  aspect-ratio: 1 / 1;
  background: var(--casino-carbon, #12121e);
  border: 1px solid var(--casino-line, #2e2e44);
  border-radius: 14px;
  overflow: hidden;
  touch-action: none;
}
.snake-board canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.snake-dpad {
  display: none;
  grid-template-columns: repeat(3, 52px);
  grid-template-rows: repeat(2, 48px);
  gap: 6px;
}
.snake-dbtn {
  border: 1px solid var(--casino-line, #2e2e44);
  background: var(--casino-panel, #1a1a2a);
  color: var(--casino-ink, #f5f6fa);
  font-size: 20px;
  border-radius: 10px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}
.snake-dbtn:active { background: rgba(55, 224, 160, .3); }
.snake-dbtn.up { grid-column: 2; grid-row: 1; }
.snake-dbtn.left { grid-column: 1; grid-row: 2; }
.snake-dbtn.down { grid-column: 2; grid-row: 2; }
.snake-dbtn.right { grid-column: 3; grid-row: 2; }

@media (max-width: 760px), (hover: none) {
  .snake-dpad { display: grid; }
}