/* ============================================================
   Sudoku — tema sunset.
   ============================================================ */

.sj-game-host:has(.sd) {
  --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(.sd),
body:has(.sj-game-stage) .sj-game-host:has(.sd) {
  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(.sd) {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}

/* ============ Wrapper ============ */
.sd {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  height: 100%;
  box-sizing: border-box;
}

/* ============ Jogo ============ */
.sd-game {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
  flex: 1;
  min-height: 0;
}
.sd-game[hidden] { display: none; }

.sd-board-wrap {
  display: grid;
  place-items: center;
}
.sd-board {
  /* --cell setado via JS conforme stage */
  display: grid;
  grid-template-columns: repeat(9, var(--cell, 44px));
  grid-template-rows:    repeat(9, var(--cell, 44px));
  background: #fff;
  padding: 4px;
  border-radius: 12px;
  box-shadow:
    0 12px 32px rgba(45, 36, 56, 0.22),
    inset 0 0 0 2px rgba(45, 36, 56, 0.85);
  position: relative;
}

/* ============ Célula ============ */
.sd-cell {
  width: var(--cell, 44px);
  height: var(--cell, 44px);
  border: 0;
  background: #fff;
  font-family: var(--sj-font-display);
  font-weight: 700;
  font-size: calc(var(--cell, 44px) * 0.55);
  /* corrige metric da Big Shoulders Display: levanta levemente o glifo */
  padding-top: 4px;
  color: var(--sj-accent);
  cursor: pointer;
  display: grid;
  place-items: center;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  outline: 1px solid rgba(45, 36, 56, 0.18);
  outline-offset: -0.5px;
  transition: background .08s;
}
/* Bordas grossas separando os 3×3 — left/top quando ele inicia um box */
.sd-cell.box-l { box-shadow: inset 2px 0 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-t { box-shadow: inset 0 2px 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-l.box-t { box-shadow: inset 2px 0 0 0 rgba(45, 36, 56, 0.85), inset 0 2px 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-r { box-shadow: inset -2px 0 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-b { box-shadow: inset 0 -2px 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-l.box-b { box-shadow: inset 2px 0 0 0 rgba(45, 36, 56, 0.85), inset 0 -2px 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-t.box-r { box-shadow: inset -2px 0 0 0 rgba(45, 36, 56, 0.85), inset 0 2px 0 0 rgba(45, 36, 56, 0.85); }
.sd-cell.box-r.box-b { box-shadow: inset -2px 0 0 0 rgba(45, 36, 56, 0.85), inset 0 -2px 0 0 rgba(45, 36, 56, 0.85); }

/* Pistas (givens): pretas/grandes/maiores */
.sd-cell.is-given {
  color: var(--sj-text);
  background: #f9f7ff;
  cursor: default;
  font-weight: 900;
}

/* Estados */
.sd-cell.is-peer    { background: rgba(107, 91, 255, 0.08); }
.sd-cell.is-same    { background: rgba(107, 91, 255, 0.18); }
.sd-cell.is-selected{ background: rgba(107, 91, 255, 0.28); }
.sd-cell.is-given.is-peer    { background: #ece6ff; }
.sd-cell.is-given.is-same    { background: #d6cdff; }
.sd-cell.is-error   { color: var(--sj-danger); animation: sd-shake .25s ease-out; }
.sd-cell.is-error.is-given { color: var(--sj-danger); }
@keyframes sd-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

/* Notas (pencil marks) — grid 3×3 dentro da célula */
.sd-cell .sd-notes {
  position: absolute;
  inset: 6%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows:    repeat(3, 1fr);
  font-family: var(--sj-font-mono);
  font-weight: 700;
  font-size: calc(var(--cell, 44px) * 0.22);
  color: var(--sj-text-dim);
  line-height: 1;
  pointer-events: none;
}
.sd-cell .sd-notes span { display: grid; place-items: center; }
.sd-cell .sd-notes span:empty { visibility: hidden; }

/* ============ Numpad ============ */
.sd-pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 460px;
}
.sd-numpad {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 6px;
  width: 100%;
}
.sd-num {
  background: #fff;
  border: 0;
  border-radius: 10px;
  font-family: var(--sj-font-display);
  font-weight: 900;
  font-size: 22px;
  padding: 10px 0;
  color: var(--sj-text);
  cursor: pointer;
  transition: transform .1s, box-shadow .12s, background .12s;
  box-shadow:
    inset 0 0 0 1.5px rgba(45, 36, 56, 0.10),
    0 2px 6px rgba(45, 36, 56, 0.08);
}
.sd-num:hover { transform: translateY(-1px); }
.sd-num.is-done {
  background: rgba(45, 36, 56, 0.10);
  color: rgba(45, 36, 56, 0.40);
  cursor: default;
}
.sd-tools {
  display: flex;
  gap: 8px;
  width: 100%;
  justify-content: center;
}
.sd-tool {
  background: #fff;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-family: var(--sj-font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sj-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow:
    inset 0 0 0 1.5px rgba(45, 36, 56, 0.10),
    0 2px 6px rgba(45, 36, 56, 0.08);
  transition: background .12s, box-shadow .12s;
}
.sd-tool:hover { box-shadow: inset 0 0 0 1.5px var(--sj-accent); }
.sd-tool[aria-pressed="true"] {
  background: var(--sj-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(107, 91, 255, 0.35);
}
/* Após "Revelar" (botão no HUD): pinta os números errados/faltando em vermelho. */
.sd-cell.is-revealed-miss { color: var(--sj-danger); }

/* ============ Mobile ============ */
@media (max-width: 600px) {
  .sd { gap: 8px; padding: 8px; }
  .sd-num { font-size: 18px; padding: 8px 0; }
  .sd-tool { padding: 8px 10px; font-size: 11px; }
}