.arcade-game {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  color: #35342f;
  font: inherit;
  --arcade-accent: #e46d59;
  --arcade-accent-hover: #cb5949;
  --arcade-soft: #f6f0e6;
  --arcade-border: #e9e3d9;
}
.arcade-game *, .arcade-game *::before, .arcade-game *::after { box-sizing: border-box; }
.arcade-game .arcade-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 0 0 16px; }
.arcade-game .arcade-objective { max-width: 22em; margin: 0; font-size: 14px; line-height: 1.65; color: #65635d; }
.arcade-game .arcade-score { flex: 0 0 auto; min-width: 84px; padding: 8px 14px; border: 1px solid var(--arcade-border); border-radius: 10px; background: var(--arcade-soft); text-align: center; }
.arcade-game .arcade-score span { display: block; color: #77736c; font-size: 11px; line-height: 1.5; }
.arcade-game .arcade-score strong { display: block; color: #3c3830; font-size: 26px; line-height: 1.18; font-variant-numeric: tabular-nums; }
.arcade-game .arcade-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.arcade-game .arcade-button { min-height: 42px; padding: 9px 18px; border: 1px solid var(--arcade-border); border-radius: 8px; background: #fff; color: #494741; font: inherit; font-size: 13px; font-weight: 650; line-height: 1.4; cursor: pointer; touch-action: manipulation; transition: background-color 130ms ease, border-color 130ms ease; -webkit-tap-highlight-color: transparent; }
.arcade-game .arcade-button:hover { border-color: var(--arcade-accent); background: var(--arcade-soft); }
.arcade-game .arcade-button:active { transform: translateY(1px); }
.arcade-game .arcade-button:focus-visible, .arcade-game .arcade-canvas:focus-visible, .arcade-game .arcade-2048-board:focus-visible { outline: 3px solid var(--arcade-accent); outline-offset: 4px; }
.arcade-game .arcade-primary { min-width: 120px; color: #fff; background: var(--arcade-accent); border-color: var(--arcade-accent); }
.arcade-game .arcade-primary:hover { color: #fff; background: var(--arcade-accent-hover); border-color: var(--arcade-accent-hover); }
.arcade-game .arcade-status { margin: 15px 0 5px; text-align: center; color: #514e47; font-size: 13px; line-height: 1.6; min-height: 21px; }
.arcade-game .arcade-instructions { max-width: 480px; margin: 0 auto; color: #85817b; font-size: 11px; line-height: 1.8; text-align: center; }
.arcade-game .arcade-dpad { display: grid; grid-template-columns: repeat(3, 44px); grid-template-rows: repeat(2, 40px); justify-content: center; gap: 5px; margin-top: 15px; }
.arcade-game .arcade-direction { min-height: 40px; padding: 3px; font-size: 20px; background: var(--arcade-soft); }
.arcade-game .arcade-direction-up { grid-column: 2; }
.arcade-game .arcade-direction-left { grid-column: 1; grid-row: 2; }
.arcade-game .arcade-direction-down { grid-column: 2; grid-row: 2; }
.arcade-game .arcade-direction-right { grid-column: 3; grid-row: 2; }
.arcade-game .arcade-2048-board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-template-rows: repeat(4, minmax(0, 1fr)); gap: 10px; width: 100%; max-width: 400px; aspect-ratio: 1; margin: 0 auto; padding: 10px; background: #cbbfb1; border-radius: 12px; touch-action: none; user-select: none; }
.arcade-game .arcade-tile { display: flex; align-items: center; justify-content: center; min-width: 0; background: #ddd3c6; color: #6a6054; font-size: clamp(22px, 6vw, 39px); font-weight: 800; border-radius: 7px; line-height: 1; font-variant-numeric: tabular-nums; }
.arcade-game .arcade-tile[data-value="2"] { background: #f1eade; }
.arcade-game .arcade-tile[data-value="4"] { background: #efe0c5; }
.arcade-game .arcade-tile[data-value="8"] { background: #edb184; color: #fff; }
.arcade-game .arcade-tile[data-value="16"] { background: #ee966e; color: #fff; }
.arcade-game .arcade-tile[data-value="32"] { background: #eb7c65; color: #fff; }
.arcade-game .arcade-tile[data-value="64"] { background: #dc6358; color: #fff; }
.arcade-game .arcade-tile[data-value="128"] { background: #d8b458; color: #fff; font-size: clamp(20px, 5vw, 32px); }
.arcade-game .arcade-tile[data-value="256"] { background: #cda441; color: #fff; font-size: clamp(20px, 5vw, 32px); }
.arcade-game .arcade-tile[data-value="512"] { background: #bfa039; color: #fff; font-size: clamp(20px, 5vw, 32px); }
.arcade-game .arcade-tile[data-value="1024"], .arcade-game .arcade-tile[data-value="2048"] { background: #e0aa32; color: #fff; font-size: clamp(17px, 4.5vw, 28px); }
.arcade-game .arcade-tile[data-value="4096"] { background: #665243; color: #fff; font-size: clamp(17px, 4vw, 26px); }
.arcade-game .arcade-stage { position: relative; overflow: hidden; width: 100%; margin: 0 auto; border-radius: 12px; background: #111a36; isolation: isolate; }
.arcade-game .arcade-canvas { display: block; width: 100%; height: auto; touch-action: none; }
.arcade-game .arcade-curtain { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 20px; background: rgba(9, 19, 33, .55); color: #fff; text-align: center; pointer-events: none; }
.arcade-game .arcade-curtain[hidden] { display: none; }
.arcade-game .arcade-curtain strong { font-size: clamp(21px, 5vw, 30px); letter-spacing: .025em; line-height: 1.4; }
.arcade-game .arcade-curtain span { font-size: 12px; color: #d4dddf; }
.arcade-game.arcade-snake { --arcade-accent: #367d5c; --arcade-accent-hover: #286849; --arcade-soft: #edf5e9; --arcade-border: #d9e6d6; }
.arcade-game.arcade-snake .arcade-stage { max-width: 400px; border: 7px solid #294d3d; border-radius: 10px; }
.arcade-game.arcade-snake .arcade-curtain { background: rgba(12, 36, 25, .72); }
.arcade-game.arcade-snake .arcade-curtain strong { color: #d9ecb3; }
.arcade-game.arcade-breakout { --arcade-accent: #536cc2; --arcade-accent-hover: #4059ab; --arcade-soft: #eef0fa; --arcade-border: #dfe3f0; }
.arcade-game.arcade-breakout .arcade-stage { border: 6px solid #243255; }
.arcade-game .arcade-paddle-controls { display: flex; justify-content: center; gap: 10px; margin-top: 14px; }
.arcade-game .arcade-paddle-controls .arcade-button { width: 112px; background: var(--arcade-soft); touch-action: none; }
@media (max-width: 420px) {
  .arcade-game .arcade-top { gap: 12px; margin-bottom: 12px; }
  .arcade-game .arcade-objective { font-size: 12px; }
  .arcade-game .arcade-score { min-width: 72px; padding: 7px 10px; }
  .arcade-game .arcade-score strong { font-size: 22px; }
  .arcade-game .arcade-2048-board { padding: 7px; gap: 7px; border-radius: 9px; }
  .arcade-game .arcade-actions { margin-top: 13px; }
  .arcade-game .arcade-status { margin-top: 12px; font-size: 12px; }
  .arcade-game .arcade-instructions { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  .arcade-game .arcade-button { transition: none; }
}