.board-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  --snake-border: rgba(184, 255, 46, 0.28);
  --snake-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.board-wrap[data-snake-accent="blue"] {
  --snake-border: rgba(92, 141, 255, 0.32);
}

.board-wrap[data-snake-accent="orange"] {
  --snake-border: rgba(255, 159, 26, 0.32);
}

.board-wrap[data-snake-accent="purple"] {
  --snake-border: rgba(199, 125, 255, 0.32);
}

.board-wrap[data-snake-accent="pink"] {
  --snake-border: rgba(255, 77, 157, 0.32);
}

.board-wrap[data-snake-bg="light"] {
  --snake-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
}

.game-canvas {
  display: block;
  width: min(100%, 400px);
  height: auto;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.45);
  border: 2px solid var(--snake-border);
  box-shadow: var(--snake-shadow);
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.tool-btn:hover {
  border-color: rgba(184, 255, 46, 0.35);
}

.tool-btn__icon {
  font-size: 1.1rem;
  line-height: 1;
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.stat-row__label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-row__value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.1rem;
}

.panel__subtitle {
  margin: 10px 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.leaderboard-my-best {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mode-picker {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.mode-btn {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  white-space: normal;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.mode-btn:hover {
  border-color: rgba(184, 255, 46, 0.35);
}

.mode-btn--active {
  border-color: rgba(184, 255, 46, 0.55);
  background: rgba(184, 255, 46, 0.16);
  color: #f3ffd1;
}

.board-status {
  min-height: 1.4em;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
}

.controls-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.controls-list li + li {
  margin-top: 8px;
}

.controls-list kbd {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--text);
}

.touch-controls {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.touch-controls__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.touch-btn {
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.touch-btn:active {
  background: rgba(184, 255, 46, 0.12);
  border-color: rgba(184, 255, 46, 0.35);
}

.touch-btn--wide {
  width: 100%;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    max-width: 420px;
    padding-bottom: calc(196px + env(safe-area-inset-bottom, 0px));
  }

  .panel--left {
    order: 2;
  }

  .board-wrap {
    order: 1;
  }

  .panel--right {
    order: 3;
  }

  .touch-controls {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    margin: 0;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(7, 9, 13, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    gap: 8px;
  }

  .touch-btn {
    min-height: 48px;
  }

  .controls-list {
    display: none;
  }

  .game-canvas {
    width: auto;
    max-width: min(100vw - 40px, 400px);
    max-height: min(calc(100dvh - 300px), 400px);
  }
}

@media (max-width: 560px) {
  .header__stats {
    width: 100%;
    margin-left: 0;
  }

  .game-canvas {
    max-height: min(calc(100dvh - 280px), 360px);
  }
}