/* ============================================================
   Tic-tac-toe — tema sunset.
   ============================================================ */

.sj-game-host:has(.ttt) {
  --sj-text:           #2d2438;
  --sj-text-dim:       #5d5468;
  --sj-text-mute:      rgba(45, 36, 56, 0.42);
  --sj-bg-card:        rgba(255, 255, 255, 0.85);
  --sj-bg-elev:        rgba(255, 255, 255, 0.7);
  --sj-bg-card-hover:  rgba(255, 255, 255, 0.95);
  --sj-border:         rgba(255, 255, 255, 0.5);
  --sj-border-bright:  rgba(45, 36, 56, 0.18);
  --sj-accent:         #6b5bff;
  --sj-accent-hover:   #5347d6;
  --sj-accent-soft:    rgba(107, 91, 255, 0.12);
  --sj-gold:           #ffd93d;
  --sj-danger:         #ff3355;
  --sj-score-bg:       #fff;
}
.sj-game-host:has(.ttt),
body:has(.sj-game-stage) .sj-game-host:has(.ttt) {
  background:
    radial-gradient(circle at 15% 25%, rgba(255,255,255,0.18), transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(107,91,255,0.20), transparent 40%),
    linear-gradient(135deg, #ff7e5f 0%, #feb47b 45%, #ff6b95 100%);
}
.sj-game-stage-frame:has(.ttt) {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}

/* ============ Layout ============ */
.ttt {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px; padding: 20px;
  height: 100%; box-sizing: border-box;
}

/* Variantes do botão de nível no HUD (acende quando o difícil tá ativo
   pra dar feedback visual sem precisar de texto). */
.sj-btn.sj-btn--ttt-level[data-level="hard"] {
  background: var(--sj-accent);
  color: #fff;
  box-shadow: inset 0 0 0 1.5px var(--sj-accent), 0 2px 8px rgba(107,91,255,0.3);
}

/* Botão CPU foi migrado pra engine (sj.css + SJ.gui.controls.enableCpuToggle). */

/* ============ Board ============ */
.ttt-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows:    repeat(3, 1fr);
  aspect-ratio: 1;
  width: clamp(240px, 60vmin, 380px);
  gap: 10px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.32);
  border-radius: 16px;
  box-shadow:
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.45),
    0 8px 28px rgba(45, 36, 56, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.ttt-cell {
  background: #fff;
  border: 0;
  border-radius: 12px;
  font-family: var(--sj-font-display);
  font-weight: 900;
  font-size: clamp(38px, 10vmin, 72px);
  line-height: 1;
  /* corrige metric assimétrico da Big Shoulders Display */
  padding-top: 4px;
  box-sizing: border-box;
  color: transparent;
  cursor: pointer;
  display: grid; place-items: center;
  transition: transform .12s, box-shadow .15s;
  box-shadow:
    inset 0 0 0 1.5px rgba(45, 36, 56, 0.08),
    0 2px 8px rgba(45, 36, 56, 0.08);
  user-select: none;
}
.ttt-cell:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 0 0 1.5px var(--sj-accent),
    0 6px 16px rgba(45, 36, 56, 0.12);
}
.ttt-cell:disabled { cursor: default; }
.ttt-cell.is-x { color: #6b5bff; animation: ttt-cell-pop .22s ease-out; }
.ttt-cell.is-o { color: #ff7e5f; animation: ttt-cell-pop .22s ease-out; }
.ttt-cell.is-win {
  animation: ttt-win-pulse .65s ease-out 3;
  background: #fff;
  box-shadow: inset 0 0 0 3px var(--sj-gold);
}
@keyframes ttt-cell-pop {
  0%   { transform: scale(0.4); opacity: 0; }
  60%  { transform: scale(1.12); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes ttt-win-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}

@media (max-width: 600px) {
  .ttt { gap: 14px; padding: 12px; }
  .ttt-board { width: clamp(220px, 78vmin, 320px); gap: 8px; padding: 8px; }
  .ttt-cell { border-radius: 10px; }
}