:root {
  color-scheme: light;
  --bg: #0f1115;
  --panel: #171a21;
  --grid: #202530;
  --text: #e6e8ef;
  --muted: #9aa3b2;
  --snake: #53d18b;
  --snake-head: #7ef2b0;
  --food: #ffb454;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
    Consolas, "Liberation Mono", "Courier New", monospace;
  background: radial-gradient(circle at top, #1b2230 0%, #0f1115 55%, #0b0d12 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.page {
  width: min(640px, 100%);
  display: grid;
  gap: 20px;
}

.hud {
  background: var(--panel);
  border: 1px solid #222a37;
  border-radius: 12px;
  padding: 16px 18px;
  display: grid;
  gap: 12px;
}

.title {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.04em;
}

.scores {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
}

.timers {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  font-size: 12px;
  color: var(--muted);
}

.status {
  padding: 2px 10px;
  border-radius: 999px;
  background: #1f2530;
  color: var(--text);
  font-size: 12px;
}

.status.game-over {
  background: rgba(255, 107, 107, 0.2);
  color: var(--danger);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  font: inherit;
  color: var(--text);
  background: #222a37;
  border: 1px solid #2f394a;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, border 0.15s ease;
}

button:hover,
button:focus-visible {
  background: #2b3547;
  border-color: #3b475d;
}

.board-wrap {
  background: var(--panel);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid #222a37;
}

.board {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  grid-template-rows: repeat(20, 1fr);
  gap: 2px;
  background: var(--grid);
  padding: 6px;
  border-radius: 12px;
  aspect-ratio: 1 / 1;
}

.cell {
  background: #12161f;
  border-radius: 4px;
}

.cell.snake {
  background: var(--snake);
}

.cell.snake.head {
  background: var(--snake-head);
}

.cell.food {
  background: var(--food);
}

.controls {
  display: grid;
  gap: 10px;
  justify-content: center;
}

.pad-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(52px, 1fr));
  gap: 10px;
}

.pad {
  width: min(72px, 20vw);
  height: min(54px, 14vw);
  display: grid;
  place-items: center;
  font-size: 18px;
}

.help {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (min-width: 700px) {
  .controls {
    justify-self: center;
    max-width: 220px;
  }
}