.game2048-shell {
  width: min(1120px, 100%);
}

.game2048-score-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.game2048-score-grid div {
  min-height: 68px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101828;
  color: #fff;
}

.game2048-score-grid span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
}

.game2048-score-grid strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 22px;
  line-height: 1.1;
  color: #f4c95d;
}

.game2048-mode-tabs {
  margin-bottom: 14px;
}

.game2048-mode-tabs button:first-child {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.game2048-mode-tabs .mode-btn.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.game2048-layout {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) 260px;
  gap: 16px;
  align-items: start;
}

.game2048-board-panel,
.game2048-side-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.game2048-board-panel {
  position: relative;
  display: grid;
  place-items: center;
  padding: 14px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(245, 158, 11, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(245, 158, 11, 0.055) 1px, transparent 1px), #edf2f8;
  background-size: 18px 18px;
}

.game2048-board {
  --game2048-gap: 12px;
  --game2048-tile-size: calc((100% - var(--game2048-gap) * 3) / 4);
  position: relative;
  width: min(520px, 100%);
  aspect-ratio: 1;
  padding: var(--game2048-gap);
  border-radius: 8px;
  background: #243447;
  cursor: grab;
  outline: none;
  touch-action: none;
  user-select: none;
}

.game2048-board.dragging {
  cursor: grabbing;
}

.game2048-board:focus-visible {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.28);
}

.game2048-grid-cells,
.game2048-tile-layer {
  position: absolute;
  inset: var(--game2048-gap);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: var(--game2048-gap);
}

.game2048-grid-cell {
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.16);
}

.game2048-tile-layer {
  pointer-events: none;
}

.game2048-tile {
  position: absolute;
  left: calc(var(--x) * (var(--game2048-tile-size) + var(--game2048-gap)));
  top: calc(var(--y) * (var(--game2048-tile-size) + var(--game2048-gap)));
  width: var(--game2048-tile-size);
  height: var(--game2048-tile-size);
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #fff;
  font-size: clamp(24px, 7vw, 46px);
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 6px 16px rgba(2, 6, 23, 0.16);
  transition:
    left 0.12s ease,
    top 0.12s ease,
    transform 0.12s ease;
}

.game2048-tile.tile-2 {
  background: #3b82f6;
}

.game2048-tile.tile-4 {
  background: #14b8a6;
}

.game2048-tile.tile-8 {
  background: #f59e0b;
}

.game2048-tile.tile-16 {
  background: #ef6c35;
}

.game2048-tile.tile-32 {
  background: #ef4444;
}

.game2048-tile.tile-64 {
  background: #c026d3;
}

.game2048-tile.tile-128 {
  background: #7c3aed;
  font-size: clamp(22px, 6vw, 42px);
}

.game2048-tile.tile-256 {
  background: #2563eb;
  font-size: clamp(22px, 6vw, 42px);
}

.game2048-tile.tile-512 {
  background: #0f766e;
  font-size: clamp(22px, 6vw, 42px);
}

.game2048-tile.tile-1024 {
  background: #b45309;
  font-size: clamp(18px, 5vw, 34px);
}

.game2048-tile.tile-2048 {
  background: #be123c;
  font-size: clamp(18px, 5vw, 34px);
}

.game2048-tile.tile-4096 {
  background: #334155;
  font-size: clamp(18px, 5vw, 34px);
}

.game2048-tile.tile-8192 {
  background: #111827;
  font-size: clamp(18px, 5vw, 34px);
}

.game2048-tile.tile-16384,
.game2048-tile.tile-super {
  background: #020617;
  font-size: clamp(15px, 4.4vw, 28px);
}

.game2048-result-overlay {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 8px;
  background: rgba(16, 24, 40, 0.62);
  z-index: 20;
}

.game2048-result-overlay[hidden] {
  display: none;
}

.game2048-result-card {
  width: min(320px, 100%);
  display: grid;
  gap: 10px;
  padding: 22px;
  border-radius: 8px;
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow);
}

.game2048-result-card strong {
  font-size: 24px;
  line-height: 1.2;
}

.game2048-result-card span {
  color: var(--muted);
}

.game2048-result-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.game2048-result-card button {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.game2048-result-actions button:first-child {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.game2048-side-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.game2048-status-card {
  min-height: 74px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.game2048-status-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.game2048-status-card strong {
  overflow-wrap: anywhere;
  font-size: 17px;
  line-height: 1.3;
}

.game2048-mini-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.game2048-mini-board button {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.game2048-mini-board button:first-child {
  grid-column: 2;
}

.game2048-mini-board button:nth-child(2) {
  grid-column: 1;
}

.game2048-mini-board button:nth-child(3) {
  grid-column: 2;
}

.game2048-mini-board button:nth-child(4) {
  grid-column: 3;
  grid-row: 2;
}

@media (max-width: 800px) {
  .game2048-layout {
    grid-template-columns: 1fr;
  }

  .game2048-side-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .game2048-mode-tabs {
    margin-bottom: 8px;
  }

  .game2048-score-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 8px;
  }

  .game2048-score-grid div {
    min-height: 54px;
    gap: 2px;
    padding: 8px;
    border-radius: 7px;
  }

  .game2048-score-grid span {
    font-size: 11px;
  }

  .game2048-score-grid strong {
    font-size: 18px;
  }

  .game2048-layout {
    gap: 8px;
  }

  .game2048-board-panel,
  .game2048-side-panel {
    padding: 8px;
    border-radius: 7px;
  }

  .game2048-board {
    --game2048-gap: 8px;
  }

  .game2048-result-overlay {
    inset: 8px;
    padding: 12px;
  }

  .game2048-result-card {
    padding: 16px;
    border-radius: 7px;
  }

  .game2048-result-card strong {
    font-size: 22px;
  }

  .game2048-side-panel {
    gap: 8px;
  }

  .game2048-status-card {
    min-height: 62px;
    gap: 2px;
    padding: 8px;
    border-radius: 7px;
  }

  .game2048-status-card span {
    font-size: 11px;
  }

  .game2048-status-card strong {
    font-size: 15px;
  }

  .game2048-mini-board {
    gap: 6px;
  }

  .game2048-mini-board button {
    min-height: 40px;
    font-size: 13px;
  }
}